专利摘要:
The invention relates to an electrical equipment (1), in particular for an electric or hybrid vehicle, comprising a housing (5), said housing (5) comprising a housing element (5-1) comprising a side wall (5-10). ) and defining an interior space (ESP). The side wall (5-10) of the housing element (5-1) comprises a material offset (5-1 0A) towards its interior space (ESP) forming a connection zone of the positive terminal and the terminal negative of the source of electrical energy so that said material offset (5-10A) overlaps the first electrical conductor (30) and the second electrical conductor (40) by not letting out from outside said side wall ( 5-10), that the positive apparent terminal and the apparent negative terminal.
公开号:FR3076175A1
申请号:FR1762950
申请日:2017-12-22
公开日:2019-06-28
发明作者:Guillaume Tramet;Roger Deniot
申请人:Valeo Siemens eAutomotive France SAS;
IPC主号:
专利说明:

WALL-MOUNTED ELECTRICAL EQUIPMENT TECHNICAL FIELD AND OBJECT OF THE INVENTION
The present invention relates to the field of high voltage electrical equipment for electric and hybrid vehicles and relates more particularly to a housing element for electrical equipment, especially for electric and hybrid vehicles.
The invention aims in particular to allow a reliable and secure connection of a supply battery to electrical equipment.
STATE OF THE ART
As is known, an electric or hybrid motor vehicle comprises an electric motor system powered by a high voltage power battery via an on-board high voltage electrical network and a plurality of auxiliary electrical equipment powered by a battery. low voltage power supply via an on-board low voltage electrical network. The high-voltage power supply battery provides a power supply function for the electric motor system enabling the vehicle to be propelled. More specifically, in order to control the electric machine driving the wheels of the vehicle, it is known to use an inverter making it possible to convert the direct current supplied by the high-voltage supply battery into one or more alternating control currents, for example sinusoidal .
In a known solution, the inverter is in the form of a housing in which are mounted an electronic power module and an electronic control unit. The electronic power module comprises a body comprising electrical components through which the energy supplied to the electrical machine passes. The electronic control unit includes electronic components for controlling the electronic power module.
For example, in the case where the electric machine is a three-phase electric motor, the electronic power module comprises three electric conductors, called "phase conductors", making it possible to connect the electronic power module to the electric motor in order to control using three so-called "phase" currents two by two phase shifted, for example by 120 °. These phase currents are generated by the inverter from the direct current delivered by the high voltage battery. In order to connect the electronic power module to the high voltage battery, the inverter further comprises an electrical conductor intended to be connected to the positive potential of the high voltage supply battery and an electrical conductor intended to be connected to the negative potential of the high voltage supply battery.
An electronic power module can be supplied with several positive terminals and several negative terminals intended to receive an electrical signal from an electrical energy source. Typically, the electrical signal is modified by power components of the electronic power module to be delivered at the output of the electronic power module. However, in certain applications, it is not necessary to deliver different electrical signals to the pairs of positive / negative terminals. It is then necessary to connect each pair of positive / negative terminals to the same source of electrical energy. Between the source of electrical energy, it is therefore necessary to use a connector for each terminal. This complicates the connection of the electronic power module to the electrical energy source.
In addition, the intensity of the currents that can flow in the electrical conductors connected to the high-voltage supply battery being relatively high, for example greater than 100 A, the arrangement of said electrical conductors may present a risk of electric shock for an operator who would handle the inverter, in particular when connecting or disconnecting the supply battery to the inverter, which has a major drawback.
There is therefore a need for a simple solution for connecting electrical equipment to a source of electrical energy.
GENERAL PRESENTATION OF THE INVENTION
The invention relates to electrical equipment, in particular for an electric or hybrid vehicle, comprising a housing, said housing comprising a housing element comprising a side wall and defining an interior space in which are mounted: - an electronic power module comprising a plurality of pairs of positive and negative external terminals intended for exchanging supply energy with a source of electrical energy, - an electrical connection bar comprising a first electrical conductor and a second electrical conductor, the first electrical conductor comprising terminals in contact with the positive terminals of the electronic power module, so as to bring the positive terminals to the same electrical potential via the first electrical conductor, the second electrical conductor comprising terminals in contact with the negative terminals of the electronic power module ssance, so as to put the negative terminals at the same electrical potential via the second electrical conductor, at least one of said terminals of the first electrical conductor, called "apparent positive terminal", and at least one of said terminals of the second electrical conductor, called “apparent negative terminal”, being adapted to be connected respectively to a positive terminal and to a negative terminal of an electrical energy source, electrical equipment in which the side wall of the housing element comprises a material offset towards its internal space forming a connection zone of the positive terminal and the negative terminal of the source of electrical energy so that said material offset overlaps the first electrical conductor and the second electrical conductor while leaving visible from the outside of said side wall, that the positive apparent terminal and the apparent terminal n NEGATIVE.
Thus, when the electronic power module and the electrical conductors are mounted in the housing element, the side wall forms a belt surrounding the electronic power module and partially covering the first electrical conductor and the second electrical conductor. so as to leave visible, outside said side wall, only one element for fixing each of the electrical conductors to a positive or negative terminal of the electric power source, for example a high-voltage supply battery . The connection area thus delimited presents a restricted surface which reduces the risks of electric shock for an operator. More specifically, a first part of the terminals of the first conductor are outside the box so as to form at least one external terminal of the electrical equipment for connection with the source of electrical energy and a second part of the terminals of the first conductor are inside the housing. Similarly, a first part of the terminals of the second conductor are outside the box so as to form at least one external terminal of the electrical equipment for connection with the source of electrical energy and a second part of the terminals of the second conductor are inside the housing. The arrangement of the interior space defined by the side wall thus makes it possible to protect the second part of the terminals of the electrical conductors from the exterior in order to prevent an operator from touching them and receiving an electric shock. In other words, the material offset makes it possible to show from the outside only the useful portion of the potential electrical conductors in order to reduce the risk of electric shock. The second parts of the terminals of the electrical conductors are in the interior space of the housing, unlike the prior art where they are outside the housing so that they can be connected to the source of electrical energy. In addition, such an arrangement of the side wall makes it possible to increase the volume of the internal space of the housing element so that an electronic control unit can extend not only above the electronic power module. , but also above the electrical conductor of positive potential and the electrical conductor of negative potential. In the electrical equipment according to the invention, the electrical connection bar makes it possible to connect together on the one hand, the positive terminals of the electronic power module, and on the other hand the negative terminals of the electronic power module. Thus, it is not necessary to have a conductor for each positive or negative terminal of the electronic power module. It is sufficient to connect the apparent positive terminal with the positive terminal of the electric power source and the negative apparent terminal with the negative terminal of the electric power source so that the terminals of the electronic power module receive, via the first electrical conductor and the second electrical conductor the electrical signal generated by the source of electrical energy. It is therefore easy to connect the electronic power module to the electrical energy source. In addition, the use of multiple pairs of connectors between the electronic power module and the electrical power source is avoided, which reduces the input resistance of the electronic power module.
Preferably, the side wall has at least part of a U shape, the material offset forming the connection area corresponding to the recess located between the branches of the U.
Advantageously, the housing element further comprises a plurality of support elements connecting together a plurality of portions of the side wall and allowing in particular the support of the electronic power module, the first electrical conductor and the second electrical conductor.
More preferably, the housing element is in one piece, which makes it solid, easy to handle during assembly and easy to manufacture, in particular by molding.
According to one aspect of the invention, the housing element being made of a plastic material, which makes it light, solid and easy to manufacture, in particular by molding.
Advantageously, the electrical connection bar further comprises a fixing bar on which are mounted the first electrical conductor and the second electrical conductor.
According to one aspect of the invention, the electrical equipment further comprises a cover closing a face of the side wall of the housing element.
Advantageously, the electrical equipment further comprises an electronic control unit, said electronic control unit being mounted in the interior space defined by the side wall of the housing element and being configured to control the module power electronics, in particular so that it converts a direct current into at least an alternating current.
In one embodiment, the electrical equipment is an inverter intended to be electrically connected, on the one hand, to an electric machine, in particular of an electric or hybrid vehicle and, on the other hand, to a battery. high voltage power supply, in particular from an electric or hybrid vehicle.
According to one aspect of the invention, the electronic power module is capable of converting a direct current into a plurality of alternating currents called "phase currents". By the terms “electronic power module capable of converting a direct current into a plurality of alternating currents”, it is meant that the electronic power module can be configured to convert a direct current into a plurality of alternating currents and / or to convert a plurality of alternating currents into a direct current.
Preferably, the power module comprises a body.
According to one aspect of the invention, the first electrical conductor and the second electrical conductor are mounted on the body of the electronic power module.
The invention also relates to an electric or hybrid vehicle comprising an electric machine, for example a motorization machine, powered by a high voltage power battery via an on-board high voltage electrical network and electrical equipment, as presented above. , connected to said electric machine.
PRESENTATION OF THE FIGURES
The invention will be better understood on reading the description which follows, given solely by way of example, and referring to the appended drawings given by way of nonlimiting examples, in which identical references are given to similar objects and on which: - Figure 1 is a perspective view of an embodiment of an inverter according to the invention, - Figure 2A is a partial perspective view of the assembly formed of the electronic module of power, of the electronic control unit, of the first electrical conductor of positive potential, of the first electrical conductor of negative potential and of the fixing bar of the inverter of FIG. 1, - FIG. 2B is a partial perspective view of the electronic power module, - Figure 3 is a perspective view from above of the inverter housing element of Figure, - Figure 4 is a perspective view from below the inverter housing element of Figure 1, - Figure 5 is a perspective view from above of the housing element of Figures 3 and 4 in which is mounted the assembly of Figure 2A and three conductors phase, - Figure 6 is a perspective view from below of the assembly illustrated in Figure 5, - Figure 7 is a partial top view of the inverter of Figure 1 showing the mounting of the electronic unit control on the electronic power module.
Note that the figures show the invention in detail to implement the invention, said figures can of course be used to better define the invention if necessary.
DETAILED DESCRIPTION OF THE INVENTION
In the description which will be made below, the invention will be described in its application to an electric or hybrid motor vehicle without this being limiting the scope of the present invention.
In the example described below, the vehicle comprises in particular an electric machine, electrical equipment in the form of an inverter, a high-voltage power supply battery, an on-board high-voltage electrical network, a battery low voltage power supply, an on-board low voltage electrical network and a plurality of auxiliary electrical equipment.
The electrical equipment according to the invention is described below in its implementation for an inverter, without however this limiting the scope of the present invention. It should be noted that the electrical equipment could be something other than an inverter, for example a charger or a DCDC converter on board the vehicle.
The low-voltage on-board electrical network connects the low-voltage supply battery and the plurality of auxiliary electrical equipment so that the low-voltage supply battery supplies said auxiliary electrical equipment, such as on-board computers, lift motors - windows, a multimedia system, etc. The low voltage supply battery typically delivers for example a voltage of the order of 12 V, 24 V or 48 V. The low voltage battery is recharged from the high voltage battery via a DC voltage converter in DC voltage, commonly called DC-DC converter.
The high-voltage on-board electrical network connects the high-voltage power supply battery and the inverter so that the high-voltage power supply battery provides a power supply function for the electric machine via the inverter. The high-voltage supply battery typically delivers a voltage of between 100 V and 900 V, preferably between 100 V and 500 V. Recharging of electrical energy from the high-voltage supply battery is carried out by connecting it, via the network. direct high voltage electric vehicle, to an external electrical network, for example the domestic alternative electrical network.
The electric machine is a rotary electric machine, preferably intended to drive the wheels of the vehicle from the energy supplied by the high-voltage power battery. More specifically, the electric machine is an electric machine with alternating current supplied by a source of polyphase currents. For example, the electric machine can be an AC motor. In the preferred example described below, the electric machine is powered by a source of three-phase currents without this being limiting of the scope of the present invention.
In this example, the control of the electric machine is carried out by means of the inverter. Said inverter makes it possible to convert the direct current supplied by the high-voltage supply battery into three alternating control currents, for example sinusoidal. In other words, the inverter's function is to transform the direct current supplied at the input by the high-voltage power supply battery into three phase currents for controlling the electric machine. Conversely, in another operating mode, the electric machine can also supply three alternating currents to the inverter so that said inverter transforms them into a direct current enabling the high-voltage supply battery to be charged.
In the example of Figures 1 and 2, the inverter 1 comprises a housing 5 in which are mounted an electronic power module 10, an electronic control unit 20 and a plurality of electrical conductors 30, 40, 111, 112, 113 fixed on said electronic power module 10.
Referring to Figures 1 to 3, the electronic power module 10 comprises a body 100 on which are fixed the electrical conductors 30, 40, 111, 112, 113. Furthermore, the electronic power module 10 comprises components power electronics through which the energy supplied to the electric machine passes, in particular intended to transform direct current into alternating currents or vice versa. These electronic power components can include electronic switches, such as for example semiconductor transistors, arranged in an electrical circuit to allow a controlled passage of electrical energy between the high-voltage supply battery and the electrical machine. In particular, the electronic power components are bare semiconductor chips for which the body 100 encapsulates.
With reference to FIG. 2B, the electronic power module 10 comprises nine external electrical terminals, in particular forming on the one hand three phase ports 121, 122, 123 each delivering a phase current for controlling the motor and d on the other hand three positive external electrical terminals 124 and three negative external electrical terminals 125.
With reference to Figures 1 and 2A, the inverter 1 comprises a first electrical conductor 30, intended to electrically connect the inverter 1 to the positive potential terminal of the high-voltage supply battery (not shown), by example via cable and positive battery connector (not visible). The inverter 1 also comprises a second electrical conductor 40, intended to electrically connect the inverter 1 to the negative potential terminal of the high-voltage supply battery, for example via a cable and a positive battery connector (not visible) . The inverter 1 also includes three so-called “phase” conductors 111, 112, 113 intended to electrically connect the electronic power module 10 to the electric machine.
Referring to Figure 2k, each electrical conductor 30, 40 is in the form of a blade which extend perpendicularly three fixing elements (or points) 301, 401, 301-C, 401-C . Among these three fixing elements 301,401, the two fixing elements 301,401 situated at the ends of the blade are used to fix the first electrical conductor 30 and the second electrical conductor 40 respectively on the positive external electrical terminals 124 and on the negative external electrical terminals 125 of the electronic power module 10 using a screw 131. The two central fastening elements 301-C, 401-C of the electrical conductor of positive potential 30 and of the electrical conductor of negative potential 40 are left free and visible in order to subsequently connect the positive and negative terminals of the high-voltage supply battery via electrical cables (not shown) fixed to the two central fixing elements 301-C, 401-C using a screw. The two central fastening elements 301-C, 401-C thus constitute visible terminals, respectively positive and negative, respectively of the first electrical conductor 30 and of the second electrical conductor 40, having a double function of electrical connection, between the external electrical terminals positive 124 and on the negative external electrical terminals 125 of the electronic power module 10 and the positive and negative terminals of the high-voltage supply battery, and of fixing the electric cables of the positive and negative terminals of the high-voltage supply battery on the first electrical conductor 30 and on the second electrical conductor 40.
Still with reference to Figure 2k, the inverter 1 further comprises an electrically insulating fixing bar 50 separating the electrical conductor of positive potential 30 from the electrical conductor of negative potential 40, in particular in order to prevent short circuits between the electrical conductor of positive potential 30 and the electrical conductor of negative potential 40. To this end, the fixing bar 50 is preferably made of a plastic material such as, for example, P BT GF30.
Each phase conductor 111, 112, 113 makes it possible to electrically connect a phase of the electric machine controlled by the inverter 1 with the electronic power module 10. It will be noted that, in another embodiment, the inverter 1 could include a different number of phase conductors 111, 112, 113, in particular a number depending on the number of phases of the electric machine controlled by the inverter 1. Each phase connector 111, 112, 113 is mounted on a port of phase 121, 122, 123 corresponding to the electronic power module 10 via a fixing means, for example a screw (not shown). Each phase conductor 111, 112, 113 passes through an opening in the housing 5 to enable the inverter 1 to be connected to the electrical machine and in particular to allow the circulation of alternating currents between the electronic power module 10 and the electrical machine.
The electronic control unit 20 comprises components for controlling the components of the electronic power module 10. More specifically, the electronic control unit 20 controls the electronic power module 10 so that it performs the conversion function direct current received from the high-voltage battery, defining a direct voltage between the first electrical conductor 30 and the second electrical conductor 40, in three alternating phase currents for controlling the motor (or vice-versa).
As illustrated in Figure 1, the housing 5 comprises a housing element 5-1 and a cover 5-2, mounted on the housing element 5. The inverter 1 comprises a bottom 6 extending under the housing element 5-1 (Figure 6). In the example illustrated in FIG. 1, the inverter 1 further comprises, without limitation, two signal connectors 5-31, 5-32 and a power connector 5-4, mounted on the cover 5- 2 of the housing 5. The signal connectors 5-31, 5-32 are intended to allow an exchange of data signals between the components of the inverter 1 and the exterior of the inverter 1, for example with a controller of the vehicle. In particular, these signal connectors 5-31, 5-32 can be connected to the electronic control unit 20. The power connector 5-4, is intended to connect the inverter 1 to an electrical power cable , for example connected to the on-board low voltage electrical network, in order to allow the electrical supply of the electronic control unit 20 [0041] With reference now to FIGS. 3 and 4, the box element 5-1 is presented under the form of a single piece produced by molding an electrically insulating plastic material. The housing element 5-1 comprises a side wall 5-10 in the form of a U-shaped belt and support elements 5-11 configured to receive the electronic power module 10 and the electronic unit control 20 when mounted in said interior space ESP. In this example, the support elements 5-11 include in particular longitudinal members 5-11A making it possible to receive the body 100 of the electronic power module 10 and the electronic control unit.
Also in this example, the housing member 5 includes blocking walls 5-12 for mounting the phase conductors 111, 112, 113.
The side wall 5-10 of the housing element 5-1 comprises a material offset 5-10A towards its interior space (ESP) forming a connection area of the positive terminal and the negative terminal of the battery high voltage power supply.
As illustrated in Figures 5 to 7, this offset 5-10A material overlaps the first electrical conductor 30 and the second electrical conductor 40 leaving only appear outside of said side wall 5-10, that l fixing element 301-C, 401-C central to each of the potential electrical conductors 30, 40.
In the example illustrated and in a nonlimiting manner, the material offset 5-10A is formed so that the side wall 5-10 partially has a U shape. The obviously formed between the branches of the U, delimited by the material offset 5-10A from the side wall 5-10 towards the interior space ESP, constituting the connection area of the positive and negative terminals of the high voltage supply battery.
The material offset 5-10A thus limits the visible and accessible area to an operator of the electrical conductors 30, 40 (connection area) in order to reduce the risk of electric shock while allowing the use of electrical conductors 30, 40 extending over the entire length of one side of the housing 5. In fact, the fixing surfaces of the electrical conductors 30, 40 being in the interior space ESP defined by the side wall 5-10, they do not are more accessible for an operator who sees the risk of receiving a considerably reduced electric shock. In addition, the extension of the side wall 5-10 of the housing 5 so as to cover the ends of the electrical conductors 30, 40 makes it possible to release so-called “extension” zones EXT above said ends, which advantageously allows in particular to extend the surface of the electronic card of the electronic control unit 20.
When assembling the inverter 1, the first electrical conductor 30 and the second electrical conductor 40 are first mounted on the insulating support bar 50 then their fastening elements 301, 401 are fixed to the terminals positive external electrical components 124 and on the negative external electrical terminals 125 of the electronic power module 10 using four screws 131.
The body 100 of the electronic power module 10 is then positioned in the housing element 5-1.
Each phase conductor 111, 112, 113 is force-fitted, by sliding between each pair of walls 5-12A, 5-12B so as to be blocked by the gadroons between the first wall 5-12A and the second wall 5-12B of each pair of walls 5-12A, 5-12B, then screwed onto the corresponding phase port 121, 122, 123 so as to connect it electrically to said phase ports 121, 122, 123 of the electronic power module 10 .
The electronic control unit 20 is then mounted on the electronic power module 10. The cover 5-2 of the housing 5 is then fixed to the housing element 5-1 so as to close the housing 5. Similarly, the bottom 6 is fixed to the body of the electronic power module 10 so as to partially cover it, as illustrated in FIG. 6, in particular in order to limit the risk for an operator to receive an electric shock by touching the body 100.
The phase conductors 111, 112, 113 of the inverter 1 can then be electrically connected to the electric machine as well as the electric conductors 30, 40 can be electrically connected, via the apparent positive and negative terminals, respectively to positive and negative potential terminals of the vehicle's high voltage supply battery.
The invention is not limited to the single example described above. The figures represent a particular embodiment which combines several embodiments. However, the characteristics linked to the embodiments may be independent of each other from one mode to another, or combined with one another, as is apparent from the claims.
权利要求:
Claims (10)
[1" id="c-fr-0001]
1. Electrical equipment (1), in particular for an electric or hybrid vehicle, comprising a housing (5), said housing (5) comprising a housing element (5-1) comprising a side wall (5-10) and defining a space interior (ESP) in which are mounted: - an electronic power module (10) comprising a plurality of pairs of external positive and negative terminals (124, 125) intended for exchanging supply energy with an electrical energy source, - a electrical connection bar comprising a first electrical conductor (30) and a second electrical conductor (40), the first electrical conductor (30) comprising terminals in contact with the positive terminals of the electronic power module (10), so as to bring positive terminals at the same electrical potential via the first electrical conductor (30), the second electrical conductor (40) comprising terminals in contact with the bor nes negatives of the electronic power module (10), so as to put the negative terminals at the same electrical potential via the second electrical conductor (40), at least one of said terminals of the first electrical conductor (30), called "terminal apparent positive ”, and at least one of said terminals of the second electrical conductor (40), called“ apparent negative terminal ”, being adapted to be connected respectively to a positive terminal and to a negative terminal of an electrical energy source, equipment electric (1) in which the side wall (5-10) of the housing element (5-1) comprises a material offset (5-10A) towards its interior space (ESP) forming a connection area of the terminal positive and negative terminal of the electric power source so that said material offset (5-10A) overlaps the first electrical conductor (30) and the second electrical conductor (40) leaving no appear, from the outside of said side wall (5-10), that the apparent positive terminal and the negative apparent terminal.
[2" id="c-fr-0002]
2. Electrical equipment (1) according to the preceding claim, in which the side wall (5-10) has at least part of a U shape, the material offset (5-10A) forming the connection zone corresponding to the 'obviously located between the branches of the U.
[3" id="c-fr-0003]
3. Electrical equipment (1) according to one of the preceding claims, further comprising a plurality of support elements (5-11) connecting together a plurality of portions of the side wall (5-10) and allowing in particular the support for the electronic power module (10), the first electrical conductor (30) and the second electrical conductor (40).
[4" id="c-fr-0004]
4. Electrical equipment (1) according to one of the preceding claims, said housing element (5-1) being in one piece.
[5" id="c-fr-0005]
5. Electrical equipment (1) according to one of the preceding claims, said housing element (5-1) being made of a plastic material.
[6" id="c-fr-0006]
6. Electrical equipment (1) according to one of the preceding claims, wherein the electrical connection bar further comprises a fixing bar (50) on which are mounted the first electrical conductor (30) and the second electrical conductor (40 ).
[7" id="c-fr-0007]
7. Electrical equipment (1) according to one of the preceding claims, further comprising a cover (5-2) closing a face of the side wall (5-10) of the housing element (5-1).
[8" id="c-fr-0008]
8. Electrical equipment (1) according to one of the preceding claims, further comprising an electronic control unit (20), said electronic control unit (20) being mounted in the interior space (ESP) defined by the side wall. (5-10) of the housing element (5-1) and being configured to control the electronic power module (10), in particular so that it converts a direct current into at least one alternating current.
[9" id="c-fr-0009]
9. Electrical equipment (1) according to one of the preceding claims, said electrical equipment being an inverter (1) intended to be electrically connected, on the one hand, to an electrical machine, in particular of an electric or hybrid vehicle and, on the other hand, to a high voltage supply battery.
[10" id="c-fr-0010]
10. Electrical equipment (1) according to the preceding claim, wherein the electronic power module (10) is capable of converting a direct current into a plurality of alternating currents called "phase currents".
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同族专利:
公开号 | 公开日
US10966336B2|2021-03-30|
FR3076175B1|2020-01-10|
US20190200475A1|2019-06-27|
EP3501908A1|2019-06-26|
CN109962193A|2019-07-02|
US20210185845A1|2021-06-17|
HUE051822T2|2021-03-29|
EP3501908B1|2020-09-09|
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JP6682824B2|2015-11-25|2020-04-15|富士電機株式会社|Semiconductor device|
CN109644575A|2016-08-22|2019-04-16|高周波热錬株式会社|Power semiconductor modular, buffer circuit and induction heating power device|USD929462S1|2018-06-04|2021-08-31|Semikron Elektronik Gmbh & Co. Kg|Module|
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法律状态:
2018-12-20| PLFP| Fee payment|Year of fee payment: 2 |
2019-06-28| PLSC| Publication of the preliminary search report|Effective date: 20190628 |
2019-12-19| PLFP| Fee payment|Year of fee payment: 3 |
2020-12-31| PLFP| Fee payment|Year of fee payment: 4 |
2021-12-31| PLFP| Fee payment|Year of fee payment: 5 |
优先权:
申请号 | 申请日 | 专利标题
FR1762950A|FR3076175B1|2017-12-22|2017-12-22|REMOTE WALL ELECTRICAL EQUIPMENT|
FR1762950|2017-12-22|FR1762950A| FR3076175B1|2017-12-22|2017-12-22|REMOTE WALL ELECTRICAL EQUIPMENT|
EP18210582.5A| EP3501908B1|2017-12-22|2018-12-05|Electrical equipment with offset wall|
HUE18210582A| HUE051822T2|2017-12-22|2018-12-05|Electrical equipment with offset wall|
US16/226,837| US10966336B2|2017-12-22|2018-12-20|Bearing wall electrical equipment|
CN201811572083.6A| CN109962193A|2017-12-22|2018-12-21|Electrical equipment|
US17/185,141| US20210185845A1|2017-12-22|2021-02-25|Bearing wall electrical equipment|
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