• 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:
    Battery element comprising a plurality of battery cells arranged in line. Battery element 1 comprising a plurality of battery cells 2 arranged in line, comprising power conducting tracks 3 connecting the cells 2 in series and/or parallel, measuring means of the individual voltages of the cells 2, comprising the measuring means p processors and voltage take-off tracks 4 between the terminals of each cell 2, comprising a printed circuit board 5 or a set of printed circuit boards 5, 6, 7 joined together at least one of they are provided with openings 8 for the passage and connection of the terminals of the cells 2, the power conducting tracks 3 being, the voltage take-off tracks 4 and the processors p integrated in the printed circuit boards, the plate (s) of printed circuit 5, 6, 7 in one of its edges a terminal of general connection 9 of output of the element that supplies the added voltage of cells 2 of element 1 and the signals of state of voltage of ac gives one of the cells 2. The invention also relates to a battery provided with a plurality of said elements. (Machine-translation by Google Translate, not legally binding)
    公开号:ES2555672A2
    申请号:ES201430844
    申请日:2014-06-03
    公开日:2016-01-07
    发明作者:Antonio LÓPEZ ORTIZ
    申请人:Dachs Elect S A；Dachs Electronica S A；
    IPC主号:
    专利说明:

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    DESCRIPTION
    BATTERY ELEMENT THAT INCLUDES A PLURALITY OF CELLS OF
    BATTERY ARRANGED IN LINE
    The present invention relates to a battery element comprising a plurality of battery cells arranged in line, which facilitates a safe, reliable and fast assembly, and which also allows it to be assembled with identical elements in safety conditions.
    Background of the invention
    Battery elements are already known which comprise a plurality of battery cells arranged in line, comprising power conductive tracks connecting the cells in series and / or parallel, means for measuring the individual voltages of the cells, the means comprising measure some processors and some voltage-taking tracks between the terminals of each cell.
    The assembly of these elements is done by arranging them in a row and making the successive connections between adjacent battery poles so that the individual cell tensions are added. This type of connections is made by electrically conductive plates that are screwed to the terminals of the batteries. The procedure is simple, the connection plate is screwed to one terminal, and then to the other. However, this simple operation is not without risks, since by screwing one of the sides, the plate can pivot, and make an unwanted contact with some other plate. In addition, the operator who is making the connections must take appropriate measures to protect themselves from short circuits, because as connections are added, the potential is increasing, being able to reach voltages of several hundreds of volts, and therefore fatal. This implies from the normative point restrictions or requirements in the factory and also specialized operators licensed to work with high tensions. In addition, they can be dangerous from the chemical point of view, especially due to the possibility of combustion of exhaust gases.
    On the other hand, the state signal connections of the individual cells must be made, a signal whose ultimate goal is to know the state of charge of each cell, guarantee safe operating conditions and be able to perform an active or passive balancing between cells to optimize their functioning. Therefore, this implies more connections, whose high
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    number can make the connection procedure unfeasible when many cells are connected.
    In addition, it is necessary to find a safe space for power connections, voltage signal connections, connections for temperature sensors and for control components, such as processors.
    It is also desirable that different elements can be connected to each other, also in series and / or parallel, and that this operation can be done reliably, safely, and without relying on added welds.
    Description of the invention
    In order to meet the exposed needs, the present invention proposes a battery element comprising a plurality of battery cells arranged in a line, comprising power conductive tracks connecting the cells in series and / or parallel, means for measuring individual voltages. of the cells, the measuring means comprising processors and voltage-taking tracks between the terminals of each cell, which is characterized by the fact that it comprises a printed circuit board or a set of printed circuit boards joined together at least one of them provided with openings for the passage and connection of the terminals of the cells, the power conductive tracks, the voltage take-off tracks and the processors integrated in the printed circuit boards, comprising the or the plates of printed circuit in one of its edges a terminal of general connection of exit of the element that supplies the added tension of the cells of the element and the voltage state signals of each of the cells.
    Therefore, the risks in the connection process are minimized, since all the power connections have been previously integrated in the printed circuit boards, so the mentioned rotation of the plates is omitted.
    In addition, the organization of the connections has also been carried out previously on the printed circuit boards, so it has been moved to the connection task to a previous stage in which there are still no voltage generation elements. The voltage connection is only made once the printed circuit boards are manufactured, so everything is easier and safer. Keep in mind that each cell involves two
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    power connections, two signal and two temperature sensing.
    In addition, the presence of a general connection in each element allows its integration with other elements as a matrix, using a general printed circuit board for the fast and reliable connection of each battery element.
    According to a first variant, the cells are prismatic with the terminals on the same side, which comprises a single printed circuit board, in which the connections between the terminals and the tracks are by welding.
    According to a second variant, especially preferred, the cells are cylindrical with the terminals arranged on opposite sides, in which the adjacent cells are arranged in the reverse direction, comprising three printed circuit boards, two of them provided with openings for passage and connection of the terminals of the cells and arranged in front of said terminals, and the third arranged at the side of the cells and mechanically and electrically connected with the other two.
    In this case, preferably:
    - the processors are arranged in the third plate, on their side facing the cells of the element, and in the zones of this element facing the free volume that is configured between the cells and the third plate;
    - the power conductive tracks are arranged in the two plates arranged in front of said terminals and in the third plate;
    - the power take-off tracks are distributed between the two plates arranged in front of said terminals and the third plate;
    Advantageously, the mechanical union between the plates comprises openings in the third plate, and complementary flanges in the joint edge of the other two plates.
    More advantageously, the connection of the tension-taking tracks at the level of the joint between plates is by welding.
    In the case of cylindrical cells, the union between the terminals of the cells and the tracks
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    Power conductors are by means of screws and the general connection terminal is arranged in a corner of the third plate, and more preferably, in the center of the edge.
    In both variants, temperature sensors arranged together with the processors are provided.
    The invention also relates to a battery comprising a plurality of elements according to any of the two variants described, comprising a housing provided with adjacent receptacles for each of the elements, each receptacle being provided at its bottom with a connection terminal for each of the general connection terminals of the elements. For this, a connection plate is provided with a connection for each of the battery elements.
    Brief description of the figures
    For a better understanding of how much has been exposed, some drawings are combined in which, schematically and only as a non-limiting example, a practical case of realization is represented.
    Figure 1 is a perspective view of a battery according to the invention.
    Figure 2 is like Figure 1, but viewed from behind, although the general connection plate between elements has been omitted.
    Figure 3 is a perspective view of an element according to the invention.
    Figure 4 is a plan view of an element according to the invention.
    Figure 5 is analogous to Figure 4, but in this case the arrangement of the control means, ie the processors, is appreciated.
    Figure 6 is a perspective detail of the connection between elements and the general connection plate.
    Description of a preferred embodiment
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    As can be seen in the figures, the invention relates to a battery element 1 comprising a plurality of battery cells 2 arranged in line, comprising power conductive tracks 3 that connect cells 2 in series and / or parallel, measuring means of the individual voltages of cells 2, the measuring means comprising processors P and voltage taking tracks 4 between the terminals of each cell 2.
    These characteristics being known, as can be seen for example in Figure 3, the element comprises a printed circuit board 5 or a set of printed circuit boards 5, 6, 7 joined together at least one of them provided with openings 8 for the passage and connection of the terminals of the cells 2, the power conductive tracks 3, the voltage take-off tracks 4 and the processors P integrated in the printed circuit boards, comprising the printed circuit board (s) 5, 6, 7 in one of its edges a general connection terminal 9 of the element that supplies the aggregate voltage of the cells 2 of the element 1 and the voltage status signals of each of the cells 2.
    As can be seen in Figure 5, cells 2 are cylindrical with terminals arranged on opposite sides, with adjacent cells arranged in the reverse direction.
    As can be seen in Figure 3, the element comprises three printed circuit boards 5, 6, 7, two of them 5, 6 provided with openings for the passage and connection of the terminals of the cells 2 and arranged in front of said terminals , and the third 7 arranged next to cells 2 and mechanically and electrically connected with the other two 5, 6.
    It can also be seen in Figure 5 that the processors P are arranged in the third plate 7, on their side facing the cells 2 of the element 1, and in the areas thereof arranged against the free volume that is configured between the cells 2 and the third plate 7. For example, in this figure, in which the cells have become transparent, it can be seen that the processors are arranged at the level of contact between adjacent cells, which is where there is room to house them.
    As can be seen in this figure, it is not necessary that each cell has a processor, but that these functions can be grouped, so that a chip controls
    A group of cells. In the latter case, a digital communication bus is provided to take the voltage and temperature signals to the corresponding processor.
    The conductive power tracks 3 are arranged in the two plates 5, 6 arranged 5 in front of said terminals and in the third plate 7.
    The tension-taking tracks 4 are distributed between the two plates 5, 6 arranged in front of said terminals and the third plate 7.
    10 The mechanical joint between the plates comprises openings in the third plate 7, and complementary flanges in the joint edge of the other two plates 5, 6.
    As can be seen in Figure 5, the general connection terminal 9 is arranged in a edge of the third plate 7, and preferably in the center of the edge.
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    As can be seen in Figures 1, 2 and 6, the invention also relates to a battery comprising a plurality of elements according to the invention, comprising a housing 10 provided with adjacent receptacles for each of the elements, each receptacle being provided at its bottom with a connection terminal 11 for each of the 20 general connection terminals 9 of the elements 1.
    Finally, as can be seen in Figure 6, a connection plate 12 is provided with a connection 11 for each of the battery elements 1.
    25 Although reference has been made to a specific embodiment of the invention, it is apparent to one skilled in the art that the described battery element is susceptible to numerous variations and modifications, and that all of the mentioned details may be replaced by others. technically equivalent, without departing from the scope of protection defined by the appended claims.
    权利要求:
    Claims (11)
    [1]
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    1. Battery element (1) comprising a plurality of battery cells (2) arranged in a line, comprising power conductive tracks (3) connecting the cells (2) in series and / or parallel, measuring means of the individual voltages of the cells (2), the measuring means comprising processors (P) and voltage-taking tracks (4) between the terminals of each cell (2), characterized by the fact that it comprises a plate of printed circuit (5) or a set of printed circuit boards (5, 6, 7) joined together at least one of them provided with openings (8) for the passage and connection of the terminals of the cells (2), being the power conductive tracks (3), the voltage take-off tracks (4) and the processors (P) integrated in the printed circuit boards, the printed circuit board (5, 6, 7) comprising one of its edges a general connection terminal (9) for the output of the element that supplies the added voltage of the cells ( 2) of the element (1) and the voltage status signals of each of the cells (2).
    [2]
    2. Element according to claim 1, wherein the cells (2) are prismatic with the terminals on the same side, comprising a single printed circuit board (5), in which the connections between the terminals and the tracks are by welding.
    [3]
    3. Element according to claim 1, wherein the cells (2) are cylindrical with the terminals arranged on opposite sides, wherein the adjacent cells are arranged in the reverse direction, comprising three printed circuit boards (5, 6 , 7), two of them (5, 6) provided with openings for the passage and connection of the terminals of the cells (2) and arranged in front of said terminals, and the third (7) arranged next to the cells ( 2) and mechanically and electrically connected with the other two (5, 6).
    [4]
    4. Element according to claim 4, wherein:
    - the processors (P) are arranged in the third plate (7), on their side facing the cells (2) of the element (1), and in the areas of this arranged against the free volume that is configured between the cells ( 2) and the third plate (7);
    - the power conductive tracks (3) are arranged in the two plates (5, 6) arranged in front of said terminals and in the third plate (7);
    - the tension-taking tracks (4) are distributed between the two plates (5, 6) arranged in front of said terminals and the third plate (7);
    [5]
    5. Element according to claim 4, wherein the mechanical joint between the plates 5 comprises openings in the third plate (7), and complementary flanges in the
    junction of the other two plates (5, 6).
    [6]
    6. Element according to the preceding claim, in which the connection of the tension-taking tracks (4) at the level of the joint between plates is by welding.
    10
    [7]
    7. Element according to any of claims 3 to 6, wherein the union between the terminals of the cells and the power conductive tracks (3) is by screws.
    [8]
    Element according to any one of claims 3 to 7, wherein the general connection terminal (9) is arranged in a edge of the third plate (7).
    [9]
    9. Element according to claim 8, wherein the connection is arranged in the center of the edge.
    Element according to any one of the preceding claims, comprising sensors
    of temperature arranged together with the processors.
    [11]
    11. Battery comprising a plurality of elements according to any one of claims 1 to 10, comprising a housing (10) provided with adjacent receptacles
    25 for each of the elements, each receptacle being provided at its bottom with a connection terminal (11) for each of the general connection terminals (9) of the elements (1).
    [12]
    12. Battery according to claim 11, comprising a connection plate (12) 30 provided with a connection (11) for each of the battery elements (1).
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    同族专利:
    公开号 | 公开日
    ES2555672R2|2016-01-14|
    ES2555672B1|2016-11-03|
    EP3154109A4|2017-07-19|
    EP3154109A1|2017-04-12|
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    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    JP4036805B2|2003-08-05|2008-01-23|三洋電機株式会社|Pack battery|
    JPWO2011024477A1|2009-08-31|2013-01-24|三洋電機株式会社|Battery module, battery system and electric vehicle|
    WO2011132434A1|2010-04-22|2011-10-27|三洋電機株式会社|Battery module, electric vehicle provided with same, mobile body, power storage device, power source device, and electric equipment|
    JP2012028186A|2010-07-23|2012-02-09|Sanyo Electric Co Ltd|Battery module, battery system, and electric vehicle|
    US9705161B2|2011-03-29|2017-07-11|Sanyo Electric Co., Ltd.|Battery module, battery system, electric vehicle, mobile unit, electric power storage device, power supply device, and electric device|
    FR2976761B1|2011-06-17|2014-05-02|Commissariat Energie Atomique|PRINTED CIRCUIT FOR INTERCONNECTING AND MEASURING BATTERY BATTERY ACCUMULATORS|
    JP2013080693A|2011-09-20|2013-05-02|Auto Network Gijutsu Kenkyusho:Kk|Wiring module for battery|
    ES2444018B1|2013-06-18|2014-12-04|Dachs Electrónica, S. A.|Battery comprising a plurality of rechargeable cells arranged in matrix|
    CN203553300U|2013-11-18|2014-04-16|中航锂电（洛阳）有限公司|Battery system and PCB wiring board assembly thereof|EP3588608A1|2018-06-28|2020-01-01|KONE Corporation|Battery pack, frequency converter and transport system|
    法律状态:
    2016-11-03| FG2A| Definitive protection|Ref document number: 2555672 Country of ref document: ES Kind code of ref document: B1 Effective date: 20161103 |
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    优先权:
    申请号 | 申请日 | 专利标题
    ES201430844A|ES2555672B1|2014-06-03|2014-06-03|BATTERY ELEMENT THAT INCLUDES A PLURALITY OF BATTERY CELLS ARRANGED ONLINE|ES201430844A| ES2555672B1|2014-06-03|2014-06-03|BATTERY ELEMENT THAT INCLUDES A PLURALITY OF BATTERY CELLS ARRANGED ONLINE|
    PCT/ES2015/070431| WO2015185776A1|2014-06-03|2015-06-02|Battery element comprising a plurality of battery cells disposed in a line|
    EP15802465.3A| EP3154109A4|2014-06-03|2015-06-02|Battery element comprising a plurality of battery cells disposed in a line|
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