• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a switch arrangement (1) with a switch contact element (3), a printed circuit board with a switch arrangement (1) and a consumption meter with switch arrangement (1) and / or a printed circuit board. In order to reduce the overall costs for producing the printed circuit boards and / or the consumption meters which comprise the switch arrangement (1), the switch contact element (3) is shaped as a leaf spring.
    公开号:CH715073A1
    申请号:CH00725/18
    申请日:2018-06-06
    公开日:2019-12-13
    发明作者:Petitjean Pascal
    申请人:Landis & Gyr Ag；
    IPC主号:
    专利说明:

    Description: The present invention relates to a switch arrangement for the selective closing and opening of an electrical circuit, which comprises a movable actuator and a switch contact.
    In addition, the present invention relates to a printed circuit board for a consumption meter, which comprises a switch arrangement which is attached to the printed circuit board.
    In addition, the present invention relates to a consumption meter, which comprises a switch arrangement and / or a printed circuit board.
    Technical Background Consumption meters, for example electricity meters, are known from the prior art and are used to determine the amount of consumption of a medium supplied, such as water or gas or electrical energy. In order to connect the consumption meter to a power supply or to an electrical energy source to be provided and measured, consumption meters comprise switch arrangements.
    Switch arrangements are used to selectively close and open electrical circuits, for example to switch electrical signals or electrical current. However, switches require counter-switch contacts for switching, which are usually soldered to an electronic device such as the printed circuit board. Soldering the counter switch contacts is expensive and time consuming.
    Description of the Invention It is an object of the present invention to at least partially alleviate some of the above-mentioned disadvantages of consumption meters, printed circuit boards and their switch arrangements, which are known from the prior art. In particular, the invention has for its object to provide a switch assembly that can be manufactured and attached cost-effectively.
    For the switch arrangement mentioned above, the object is achieved according to the present invention in that the switch contact is designed as a leaf spring with two curved contact sections and with a fastening section between the contact sections, the fastening section being fastened to the actuator. The object is achieved according to the present invention for the aforementioned printed circuit board in that the switch arrangement is a switch arrangement according to the present invention. For the consumption meter mentioned above, the object is achieved in that the switch arrangement is a switch arrangement according to the present invention and / or the printed circuit board is a printed circuit board according to the present invention.
    Since the switch contact is formed as a leaf spring, the switch contacts can have a simple shape and do not have to be designed as such for deformation during a switching event or mounted via an elastic bearing that allows movement of the counter switch contacts during a switching event. The simple designs and mounting methods reduce the costs for the construction and mounting of the counter switch contacts.
    If not expressly stated to the contrary, the solutions according to the present invention can be combined as desired and further improved by the further embodiments which are advantageous in each case.
    According to a possible embodiment of the printed circuit board, the printed circuit board is provided with counter switch contacts for the contact sections, the counter switch contacts being formed by contact pads of the printed circuit board. An advantage of this embodiment can be that contact pads can be formed while the printed circuit board is being formed, the printed circuit board usually comprising several contact pads, for example for attaching so-called SMDs (surface-mounted devices), so that the formation of the counter switch contacts leads to practically no additional costs , Contact pads can also be identified as traces.
    According to a possible embodiment of the switch arrangement, the actuator can be moved in a predetermined switching direction and a tangent of each of the contact sections extends essentially perpendicular to the switching direction. An advantage of this embodiment can be that the contact section can come into contact with a counter switch contact smoothly, which reduces mechanical abrasion and thereby leads to a longer service life of the switch contact or enables the use of inexpensive and probably uncoated materials for the switch contact element.
    [0012] According to another possible embodiment of the switch arrangement, the fastening section is curved in a first direction and the contact sections are curved in a second direction, the second direction being opposite to the first direction. For example, there can be a turning line between each of the contact sections and the fastening section, so that the curvatures of the fastening section and the contact sections can have different signs. For example, the fastening section is curved to the right and the
    CH 715 073 A1
    Contact sections are curved to the left or vice versa. An advantage of this embodiment can be that the switch contact can easily span two counter switch contacts and has a compact but stable design, with costly stiffening elements not generally being necessary due to the curved shape.
    According to another possible embodiment of the switch arrangement, the fastening section is curved in the switching direction and the contact sections are curved against the switching direction. For example, the contact sections are arranged behind the fastening section in the switching direction, so that the contact sections guide the fastening section. An advantage of this embodiment can be that measures which prevent inadvertent mechanical and / or electrical contact of the fastening section with a counter switch contact element may not be necessary, which again reduces the cost of the switch contact.
    [0014] According to another possible embodiment of the switch arrangement, the contact sections each comprise a contact side which faces the switching direction, at least one of the contact sides being provided with a contact projection. An advantage of this embodiment can be that even if the switch contact is elastically deformed during the actuation of the switch arrangement, the contact projection provides a well-formed contact surface between the respective contact section and a counter switch contact.
    According to another possible embodiment of the switch arrangement, the contact projection is made of the same material as the contact section. An advantage of this embodiment can be that the contact protrusion can be produced in a cost-effective manner, for example by plastically deforming the contact section, e.g. by pressing the contact section before, after or during the formation of the switch contact, for example by stamping.
    Alternatively, the contact protrusion can be made of a different material than the contact portion. For example, the contact protrusion can be made from a material such as gold that slowly corrodes, if at all, or silver that has high electrical conductivity, or a material that withstands many switching cycles, or a material that prevents or at least reduces abrasion, and for example Includes graphite or other solid lubricant. An advantage of this embodiment can be that, with the exception of the contact projection, the switch contact element can be designed with a focus on selected properties such as spring elasticity and conductivity properties, wherein the contact projection can be designed with a focus on other properties such as high durability.
    Alternatively or in addition, the contact projection can be coated with the different or a different material. An additional advantage of this embodiment can be that wear, in particular corrosion or abrasion, of the contact protrusion and / or of the counter switch contact is at least reduced at low cost, even if the different or the different material is expensive, so that no costly measures are necessary to avoid the To make switch contacts interchangeable.
    [0018] According to another possible embodiment of the switch arrangement, the fastening section comprises a fastening element which is fastened to a counter-fastening element of the actuator. An advantage of this embodiment can be that the switch contact and the actuator can be manufactured separately and attached to one another in a simple and inexpensive manner.
    According to another possible embodiment of the switch arrangement, the counter-fastening element of the actuator protrudes from the fastening section in the switching direction and forms a stop which limits the deformation of the switch contact element. An advantage of this embodiment can be that the counter-fastening element provides tactile feedback that the switch contact element has reached its final switching position. Forming the stop can be a simple and inexpensive way to provide tactile feedback.
    According to another possible embodiment of the switch arrangement, the fastening element comprises a fastening opening for receiving the counter fastening element at least in sections, and an elastically deflectable clamping tongue, a free end of the clamping tongue adjoining the fastening opening. An advantage of this embodiment can be that the switch contact element and the actuator as such can be designed in a simple and therefore inexpensive manner. In addition, it can be an advantage of this embodiment that the mechanical connection between the switch contact element and the actuator can be established in a simple and quick, and therefore again inexpensive, manner, for example by simply inserting the counter-fastening element in a fastening direction into the fastening opening. The fastening direction can correspond to the switching direction, so that switching forces which act during the pressing of the switch arrangement do not attempt to remove the switch contact from the actuators. When the counter-fastening element is inserted into the fastening opening, the clamping tongue is deflected from the counter-fastening element.
    According to another possible embodiment of the switch arrangement, the clamping tongue is designed such that it prevents the counter-fastening element from moving out of the fastening opening if any forces attempt to move the counter-fastening element against the fastening direction out of the fastening opening. For example, the clamping tongue can be designed in such a way that it has a stiffener that prevents the counter-fastening element from moving out of the fastening opening against the fastening direction. An advantage of this
    CH 715 073 A1
    Embodiment may be that no complex and therefore expensive means for securing the switch contact element on or on the actuator are required.
    According to another possible embodiment of the switch arrangement, the clamping tongue extends to one of the contact sections, which is located further away from the clamping tongue than the other of the contact sections. Therefore, the clamping tongue extends at least partially towards one of the contact sections and in the switching direction. An advantage of this embodiment can be that the clamping tongue is flanked by the contact sections which protect the clamping tongue from collisions with external elements when fastening the switch contact elements.
    [0023] According to another possible embodiment of the switch arrangement, side sections of the fastening opening flank the clamping tongue. An advantage of this embodiment can be that the mobility of the clamping tongue is increased.
    [0024] According to another possible embodiment of the switch arrangement, the fastening opening can be essentially U-shaped. An advantage of this embodiment can be that the fastening opening can be formed effectively, for example by punching, the clamping tongues being formed at the same time.
    According to another possible embodiment of the switch arrangement, the fastening element comprises two clamping tongues, the free ends of which essentially face one another, with at least a section of the fastening opening lying between them. An advantage of this embodiment can be that the switch contact element on the actuator is held symmetrically in a stable position, which enables the correct and predetermined orientation of the switch contact with respect to the counter switch contact in a mechanically simple and again inexpensive manner.
    According to another possible embodiment of the switch arrangement, the receiving opening in an unsecured state of the switch contact element has a clear width that is smaller than a dimension of the counter-fastening element in the same direction as the clear width. An advantage of this embodiment can be that the counter-fastening element can be clamped into the receiving opening at least due to elastic forces that act between the at least one clamping tongue and the counter-fastening element, while the counter-fastening element is arranged in the receiving opening, so that no fixing elements for fixing the switch contact element and the actuator are required to each other, which would increase the cost of the switch assembly.
    According to another possible embodiment of the switch arrangement, the clamping tongues form a funnel to guide the counter-fastening element and the switch contact element when the switch contact element is fastened to the actuator. An advantage of this embodiment can be that the switch contact element can be attached to the actuator easily and even in an automated manner.
    [0028] For example, according to another possible embodiment of the switch arrangement, the fastening opening can be essentially H-shaped. An advantage of this embodiment can be that the fastening opening can be formed effectively, for example by punching, the clamping tongues being formed at the same time.
    According to another possible embodiment of the switch arrangement, at least the contact section and the fastening section and optionally also the fastening element and the clamping tongues are made from a single sheet metal. An advantage of this embodiment can be that the switch contact can be easily handled in one piece and can be manufactured with a small number of production steps and probably even in a single production step, for example by stamping and pressing.
    Brief Description of the Drawings The invention will be described below in greater detail and by way of example using advantageous embodiments and with reference to the drawings. The described embodiments are only possible configurations, in which, however, the individual features as described above can be provided independently of one another or can be omitted in the drawings. It shows:
    1 shows an embodiment of a switch arrangement according to the present invention in a schematic perspective view,
    2 shows an embodiment of a printed circuit board according to the present invention, to which the switch arrangement of FIG. 1 is attached,
    3 shows the switch contact of the embodiment of FIGS. 1 and 2 in a schematic perspective view,
    4 shows the switch contact of FIG. 3 in a schematic side elevation,
    5 shows an exemplary embodiment of a consumption meter according to the present invention in a state before being assembled, and
    CH 715 073 A1
    Fig. 6 shows the embodiment in a fully assembled state.
    WAYS OF IMPLEMENTING THE INVENTION Fig. 1 shows an embodiment of the switch arrangement 1 with a movable actuator 2 and a switch contact element 3. The switch contact element 3 is attached to the actuator 2 in a motion-transmitting manner, i.e. the switch contact element 3 is fixed on the movable actuator 2. The switch contact element 3 has a curved shape, so that the switch contact 3 is essentially designed as a leaf spring with two curved contact sections 4, 5 and with a fastening section 6 between the contact sections 4, 5. The contact sections 4, 5 can be seen as legs which are connected to one another via the fastening section 6, which serves as a bracket. The fastening section 6 is fastened to the actuator 2.
    The actuator 2 can be movable in a predetermined switching direction S. A tangent to each of the contact sections 4, 5 can extend substantially perpendicular to the switching direction S. The tangent can be a common tangent of the contact section 4, 5. For the sake of simplicity, the tangent is not shown in FIG. 1, but in FIG. 4.
    The fastening section 6 can comprise a fastening element 7 which is fastened to a counter-fastening element 8 of the actuator 2. For example, the fastening element 7 is a fastening opening that receives the counter-fastening element 8. The counter-fastening element 8 can extend through and / or protrude from the fastening section 6 of the switch contact element 3, for example in the switching direction S. The protruding fastening section 6 can thus form a stop which restricts the deformation of the switch contact element 3 while the switch arrangement 1 is actuated, and can provide tactile feedback about the correct triggering of the switch arrangement 1, for example by strikes against a counter-stop element that can be provided from a side of the printed circuit board that faces the stop. In the switching direction S, the contact sections 4, 5 can overcome the fastening element 7 at least in an undeformed state of the switch contact element 3.
    The fastening element 7 can comprise the fastening opening or be formed by this in order to accommodate the counter-fastening element 8 at least in sections. In order to fix the switch contact element 3 to the counter-fastening element 8, the switching elements 3 can comprise an elastically deflectable clamping tongue 9, the free end of which adjoins the fastening opening. Portions of the fastening opening can flank the clamping tongue 9 in such a way that the fastening opening can have a U-shape.
    The switch contact element 3 may comprise 2 clamping tongues 9, 10, the free ends of which face one another, with at least a portion of the fastening opening lying between them. If the fastening opening flanks opposite sides at least partially from the two clamping tongues 9, 10, the fastening opening can be H-shaped. The switch contact element 3 and at least the contact sections and the fastening section, optionally with the fastening element 7 and at least one of the clamping tongues 9, 10, can be produced from a single metal sheet.
    The switch arrangement 1 shown in FIG. 1 comprises a push button 11 which is connected to the actuator 2 in a motion-transmitting manner. Therefore, if the push button 11 is pressed in the switching direction S, the actuator 2 and thus the switch contact element 3 are moved in the switching direction S. In the exemplary embodiment in FIG. 1, the entire switch arrangement 1 is fastened in a movable manner. For example, the switch arrangement 1 is movably connected to an electronic device, for example a printed circuit board, for example via a deformable fastening arm 13. In the exemplary embodiment of FIG. 1, the electronic device is an electronic display 12, for example a liquid crystal display. The electronic device can be fixed in a consumption meter or on a printed circuit board. Alternatively, the switch arrangement 1 can be attached directly to a printed circuit board.
    In addition, the switch arrangement 1 can comprise a spacer 14, which can be rod-shaped. If the actuator 2 is movable with respect to the spacer 14, the spacer 14 can provide a predetermined distance between the switch contact element 3 and a counter switch contact element and thus the maximum path of the switch contact element 3. In addition or in addition, the spacer 14 can be designed such that it serves to fasten the switch arrangement 1, for example on a printed circuit board. 1, the switch arrangement 1 comprises two spacers 14, the actuator 2 being arranged between the two spacers 14 in a direction which is perpendicular to the switching direction S, so that the actuator 2 can be actuated, i.e. can be pressed in the switching direction S without tilting the actuator 2 or the entire switch arrangement 1 perpendicular to the switching direction S. The two switch arrangements 1 can be identical.
    Fig. 2 shows the switch arrangement 1 of the embodiment of Fig. 1 in another schematic perspective view, the switch arrangement 1 being shown attached to a printed circuit board 20. The printed circuit board 20 can comprise counter switch contacts 21, 22 for the contact sections 4, 5. The counter switch contacts 21, 22 are formed by contact pads on the printed circuit board 20.
    Fig. 3 shows the embodiment of the switch contact element 3 of the preceding figures, but without the other elements of the switch arrangement 1, in an enlarged schematic perspective view. The scarf
    CH 715 073 A1 terkontaktelement 3 comprises both clamping tongues 9, 10, wherein the switch contact element 3 as an alternative embodiment may include only one of the clamping tongues 9, 10. Therefore, the receiving opening R, which is formed by the fastening element 7, can have the shape of a slot, a U-shape or an H-shape. A clear width W between the free ends of the clamping tongues 9, 10 extends perpendicular to the switching direction S. When the switch contact element 3 is not fastened, the clear width W can be smaller than a dimension of the counter-fastening element 8 in the same direction.
    Regardless of the number of clamping tongues 9, 10 or of the embodiment of the fastening element 7 shown in FIG. 3, the fastening section 6 can be curved in a first direction and the contact sections 4, 5 can be curved in a second direction, wherein the second direction extends in a direction opposite to the first direction. Therefore, the curvature of the fastening section 6 can have a different algebraic sign with respect to the curvature of the contact sections 4, 5. Between the fastening section 6 and each of the contact sections 4, 5, the switch contact element 3 can comprise a virtual turning line 23, 24, on which the algebraic sign of the curvature changes. For example, the fastening section 6 can be curved to the right, and the contact sections 4, 5 can be curved to the left or vice versa.
    The fastening section 6 can be curved in the switching direction S, so that the fastening section 6 extends from both opposite sides of a center 25 in the switching direction S. The contact sections 4, 5 can be curved toward the center 25 and guide them in the switching direction S. The contact sections 4, 5 can each comprise a contact side 26, 27 which faces the switching direction S. The contact sides 26, 27 contact the counter switch contact elements 21, 22 in a switched-on or pressed state of the switch arrangement 1. The curvature of the contact sections 4, 5 can be designed such that a tangent T is located on the contact sections 4, 5 and in particular on the contact sides 26 , 27 extends perpendicular to the switching direction S, for example in the undeformed state of the switch contact elements 3.
    Fig. 4 shows the embodiment of the switch contact element 3 shown in Fig. 3 in a schematic side elevation. The contact sections 4, 5 of the exemplary embodiment from FIG. 4 each comprise a contact projection 28, 29, the contact projections 28, 29 being arranged on the contact sides 26, 27 which face the switching direction S. At least one or even both contact projections 28, 29 protrude from the respective contact side 26, 27 in the switching direction S. The tangents T can be tangents of the contact projections 28, 29 and can be aligned with one another or overlap one another.
    For example, the contact protrusions 28, 29 can be formed by pressing the contact portions 4, 5 into a shape that includes the contact protrusions 28, 29. Alternatively, the contact projections 28, 29 can be attached to the respective contact side 26, 27 of the contact sections 4, 5, for example by gluing etc. with a conductive adhesive, soldering, welding or riveting. At least one or even both contact projections 28, 29 can be formed from the same material as the switch contact element 3 and, for example, like the respective contact section 4, 5. The other or even both contact projections 28, 29 can be coated with or made of another material, for example in order to reduce wear on the switch contact element 3 due to the switching. The other material can be a metal, for example gold, silver or copper, or an alloy, for example comprising gold, silver or copper, or another, preferably conductive or possibly lubricating, solid material such as carbon or graphite.
    The clamping tongues 9, 10 can each extend from the fastening section 6 to a contact section 4, 5, which faces the free end of the respective clamping tongue 9, 10. The clamping tongues 9, 10 can form a funnel F in order to guide the counter-fastening element 8 and the switch contact element 3 when the switch contact element 3 is fastened to the actuator 2. The cross section of the funnel F is delimited perpendicularly to the switching direction S by the clamping tongues 9, 10. In the switching direction S, the cross section or the clear width of the funnel F decreases up to its smallest clear width W at the receiving opening R.
    Fig. 5 shows an embodiment of a consumption meter 30, for example for measuring electricity, which is supplied to a device or a household, in a state A before assembly. The consumption meter 30 comprises the switch arrangement 1, the switch arrangement 1 being attached to one side of the printed circuit board 20. Attaching the switch assembly 1 to one side of the printed circuit board 20 may mean that the switch assembly 1 is arranged on the side of the printed circuit board 20. The switch arrangement 1 can be fixed on the printed circuit board 2, and for example on the side to which it is attached, for example by means of a form or press fit, which e.g. is provided by a fastening element, which can be a tab element or a screw. In the exemplary embodiment of FIG. 5, the switch arrangement 1 is part of a user interface device 31 of the consumption meter 30, which can include the display 12.
    The printed circuit board 20 may include an attachment side for attaching at least selected electrical components of the consumption meter 30, the attachment side facing the interior of the housing 32 of the consumption meter 30, and an operating side 33 which faces from the exterior of the housing 32 , and in particular facing a user of the user interface 31 or a fitter of the consumption meter 30. The switch arrangement 1 can be attached to the operating side 33. In the embodiment of Fig. 5 is the Befes
    CH 715 073 A1 facing the interior of a housing 32 of the consumption meter 30, so that the fastening side is not visible.
    In the exemplary embodiment shown in FIG. 5, the housing 32 comprises a front opening 34 which opens the housing 32 towards the user or fitter, so that the user or fitter has access to the printed circuit board 20 via the front opening 34. The operating side 33 faces the user through the front opening 34. Thus, the front opening 34 can extend perpendicular to the switching direction S. In addition or alternatively, the housing 32 can comprise a connection opening 35 for connecting the consumption meter 30 to a conductor via a connection opening 35. The connection opening 35 can extend in the switching direction S and can open the housing 32 perpendicular to the switching direction S. The front opening 34 and the connection opening 35 can be formed continuously.
    Fig. 6 shows the consumption meter 30 of the embodiment of Fig. 5 in a fully assembled state B, in which the housing 32 of the consumption meter 30 is closed by a cover 36. The cover 36 can be designed to close the front opening 34 of the housing 32, which faces away from the printed circuit board 20. In addition, the cover 36 can be designed to close the connection opening 35 when the consumption meter 30 is completely assembled. The cover 36 can be formed with at least one recess that exposes the push button 11 and / or the display 12.
    Deviations from the embodiments described above are possible without departing from the subject matter of the present invention. The switch arrangement 1 and the printed circuit board 20 can be designed in such a way as is necessary for opening and closing at least one circuit by switching. The switch arrangement 1 can therefore comprise an actuator 2 with a switch contact element 3, which has a fastening section 6 between two contact sections 4, 5 of any number and shape that is required for opening and closing at least one electrical circuit by switching.
    The printed circuit board 20 can therefore include analog counter switch contact elements 21, 22 in any number and shape that is required for opening and closing at least one circuit by switching.
    The consumption meter 30 may include switch assemblies 1, printed circuit boards 20, housing 31, displays 12, buttons 11, front openings 34, connection openings 35 and / or covers 36 with at least one or more recesses and in any required number and shape.
    Reference symbols [0052]
    switch arrangement
    actuator
    Switch contact element
    4.5 contact section
    attachment section
    fastener
    Against fastener
    9, 10 clamping tongue
    push-button
    display
    Mounting Arm
    Spacer printed circuit board
    21.22 Counter switch contact elements
    23, 24 virtual turning line
    Middle of the mounting section
    CH 715 073 A1
    26.27 contact page
    28.29 Contact lead
    utility meters
    User interface
    casing
    Operating side front opening
    connecting opening
    cover
    A state before assembling
    A fully assembled state
    F funnel
    R receiving opening
    S switching direction
    T tangent
    W clear width
    权利要求:
    Claims (15)
    [1]
    claims
    1. Switch arrangement (1) for the selective closing and opening of an electrical circuit, which comprises a movable actuator (2) and a switch contact (3), characterized in that the switch contact (3) as a leaf spring with two curved contact sections (4, 5 ) and with a fastening section (6) between the contact sections (4, 5), the fastening section (6) being fastened to the actuator (3).
    [2]
    2. Switch arrangement (1) according to claim 1, characterized in that the actuator (3) is movable in a predetermined switching direction (S) and there is a tangent (T) from each of the contact sections (4, 5) substantially perpendicular to the switching direction ( S) extends.
    [3]
    3. Switch arrangement (1) according to claim 1 or 2, characterized in that the fastening section (6) is curved in a first direction and the contact sections (4, 5) are curved in a section direction, the section direction being opposite to the first direction.
    [4]
    4. Switch arrangement (1) according to claim 2 or 3, characterized in that the fastening section (6) is curved in the switching direction (S) and the contact sections (4, 5) are curved against the switching direction (S).
    [5]
    5. Switch arrangement (1) according to one of claims 2 to 4, characterized in that the contact sections (4, 5) each comprise a contact side (26, 27) which faces the switching direction (S), at least one of the contact sides ( 26, 27) with a contact projection (28, 29) is provided.
    [6]
    6. Switch arrangement (1) according to one of claims 1 to 5, characterized in that the fastening section (6) comprises a fastening element (7) which is fastened to a counter-fastening element (8) of the actuator (3).
    [7]
    7. Switch arrangement (1) according to claim 6, characterized in that the counter-fastening element (8) protrudes from the fastening section (6) in the switching direction (S) and forms a stop which limits the deformation of the switch contact element (3).
    [8]
    8. Switch arrangement (1) according to claim 6 or 7, characterized in that the fastening element (7) has a receiving opening (R) for receiving at least sections of the counter-fastening element (8), and an elastically deflectable clamping tongue (9, 10), wherein a free end of the clamping tongue (9, 10) adjoins the fastening opening (R).
    CH 715 073 A1
    [9]
    9. Switch arrangement (1) according to claim 8, characterized in that the clamping tongue (9, 10) extends to one of the contact sections (4, 5) which is further away from the clamping tongue (9, 10) than the other the contact sections (4, 5).
    [10]
    10. Switch arrangement (1) according to claim 8 or 9, characterized in that the fastening element (7) comprises two clamping tongues (9, 10), the free ends of which essentially face one another, at least sections of the fastening opening (R) being located therebetween.
    [11]
    11. Switch arrangement (1) according to claim 10, characterized in that in an unsecured state of the switch contact element (3) the receiving opening (R) has a clear width (W) which is smaller than a dimension of the counter-fastening element (8) in the same direction how the clear width (W) is.
    [12]
    12. Switch arrangement (1) according to claim 10 or 11, characterized in that the clamping tongues (9, 10) form a funnel (F) in order to guide the counter-fastening element (8) and the switch contact element (3) when the switch contact element (3 ) is attached to the actuator (2).
    [13]
    13. Switch arrangement (1) according to one of claims 1 to 12, characterized in that at least the contact section (4, 5) and the fastening section (6) and optionally also the fastening element (7) and the clamping tongues (9, 10) from one single sheet metal are made.
    [14]
    14. Printed circuit board (20) for a consumption meter (30), which comprises a switch arrangement (1) which is attached to the printed switch arrangement (20), characterized in that the switch arrangement (1) is a switch arrangement (1) according to one of the Claims 1 to 13 is.
    [15]
    15. consumption meter (30) comprising a switch arrangement (1) and / or a printed circuit board (20), characterized in that the switch arrangement (1) is a switch arrangement (1) according to one of claims 1 to 13, and / or the printed circuit board (20) is a printed circuit board (20) according to claim 14.
    CH 715 073 A1


    CH 715 073 A1

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    同族专利:
    公开号 | 公开日
    CH715073B1|2021-10-29|
    WO2019234551A1|2019-12-12|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    DE2359971A1|1973-12-01|1975-06-12|Olympia Werke Ag|Keyboard push-button switch for office machines - has sprung contact bridge whose one end slides over contacts on cct. board|
    US4758698A|1984-07-31|1988-07-19|Vsesojuzny nauchno-issledovatelsky, proektno-konstruktorsky i teknologichesky institut vzryvozaschischennogo i rudnichnogo elektrooborudovania|Microswitch|
    EP1630837A1|2004-08-23|2006-03-01|Siemens Aktiengesellschaft|Contact system|
    DE102013203466A1|2013-03-01|2014-09-04|Zf Friedrichshafen Ag|switch|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    CH00725/18A|CH715073B1|2018-06-06|2018-06-06|Switch arrangement with leaf spring contact element and printed circuit board and consumption meter including the same.|CH00725/18A| CH715073B1|2018-06-06|2018-06-06|Switch arrangement with leaf spring contact element and printed circuit board and consumption meter including the same.|
    PCT/IB2019/054403| WO2019234551A1|2018-06-06|2019-05-28|Switch assembly with leaf spring contact element as well as printed circuit board and utility meter comprising same|
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