CN211828984U - Connection structure and power battery package of module - Google Patents
Connection structure and power battery package of module Download PDFInfo
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- CN211828984U CN211828984U CN202020139250.4U CN202020139250U CN211828984U CN 211828984 U CN211828984 U CN 211828984U CN 202020139250 U CN202020139250 U CN 202020139250U CN 211828984 U CN211828984 U CN 211828984U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to a new energy automobile's safety equipment technical field, in particular to connection structure and power battery package of module. The connecting structure comprises a conductive connecting piece (3), a temperature measuring piece (2) and two modules (1), wherein the two modules (1) are assembled on the conductive connecting piece (3) through studs (4) respectively, and the temperature measuring piece (2) is installed on at least one of the two modules (1) and is arranged close to the corresponding stud (4). The connection structure of module is through setting up the temperature measurement spare for two modules of assembling same conductive connection spare respectively through two double-screw bolts have at least one to be provided with the temperature measurement spare, are convenient for monitor the temperature of these two double-screw bolts departments through this temperature measurement spare, have avoided the module to lead to the module to be very big at the resistance value of this double-screw bolt department because of the double-screw bolt is not hard up, the heat production is too much to cause dangerous condition such as catching fire, has guaranteed the safe operation of module, has improved the security performance of module.
Description
Technical Field
The utility model relates to a new energy automobile's safety equipment technical field, in particular to connection structure and power battery package of module.
Background
With the wide application of new energy automobiles, people put forward higher and higher requirements. And the power battery pack is used as a core part of the new energy automobile and provides a power supply for the whole new energy automobile. The two adjacent modules in the power battery pack need to be assembled in a conductive connection mode, specifically, the anode of any one module is assembled to one end of the copper bar through the stud, and the anode or the cathode of the adjacent module is assembled to the other end of the copper bar through the stud so as to achieve conductive connection among the modules.
However, when the power battery pack is produced, the situation that the stud provided with the copper bar and the positive/negative electrode is not screwed may exist, so that the moment of the stud is attenuated continuously along with the running of a vehicle, and finally, even the power battery pack is ignited, and the safety performance is low.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a connection structure and power battery package of module to solve among the prior art problem of dangerous condition such as the fire that a plurality of modules between the power battery package caused because of the double-screw bolt assembly is not tight.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the connecting structure of the modules comprises a conductive connecting piece, a temperature measuring piece and two modules, wherein the two modules are assembled on the conductive connecting piece through studs respectively, and the temperature measuring piece is installed on at least one of the two modules and is arranged close to the corresponding stud.
Optionally, the module includes a pair of module electrodes, a housing, and a body mounted on the housing, the pair of module electrodes are spaced from each other and extend from the body to the edge of the housing, the module electrodes of the two modules are assembled with the conductive connecting member through the stud, and the temperature measuring member is mounted on the body and disposed adjacent to the module electrodes.
Optionally, the body includes a printed circuit board, two opposite side portions of the printed circuit board are respectively adjacent to the pair of module electrodes, and the temperature measuring member is mounted on at least one of the side portions of the printed circuit board.
Optionally, the printed circuit board is electrically connected to the temperature measuring member, and the printed circuit board is configured to transmit a signal sent by the temperature measuring member.
Optionally, the body includes a plurality of busbars, and the temperature measuring member is mounted on the busbar closest to the module electrode.
Optionally, the module includes a module control unit, the module control unit is electrically connected to the temperature measuring member, and the module control unit is configured to receive a signal sent by the temperature measuring member and determine, according to the signal, a moment attenuation condition of the stud assembled at both ends of the conductive connecting member.
Compared with the prior art, connection structure of module have following advantage:
the connection structure of module is through setting up the temperature measurement spare for two modules of assembling same conductive connection spare respectively through two double-screw bolts have at least one to be provided with the temperature measurement spare, are convenient for monitor the temperature of these two double-screw bolts departments through this temperature measurement spare, have avoided the module to lead to the module to be very big at the resistance value of this double-screw bolt department because of the double-screw bolt is not hard up, the heat production is too much to cause dangerous condition such as catching fire, has guaranteed the safe operation of module, has improved the security performance of module.
Another object of the utility model is to provide a power battery package to solve among the prior art problem of dangerous condition such as the fire that a plurality of modules between the power battery package caused because of the double-screw bolt assembly is not tight.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the utility model provides a power battery package, power battery package include the connection structure of module, power battery package includes a plurality of the module and a plurality of electrically conductive connecting piece, every electrically conductive connecting piece is used for assembling adjacent two the module.
Optionally, the power battery pack includes a control unit, the control unit is electrically connected to the temperature measuring member, and the control unit is configured to receive a signal sent by the temperature measuring member and determine, according to the signal, a moment attenuation condition of the stud assembled at both ends of the conductive connecting member.
Optionally, the power battery pack includes a safety unit, the safety unit is electrically connected to the control unit, the control unit is configured to transmit the signal sent by the temperature measuring member to the safety unit, and the safety unit is configured to convert the signal into a corresponding temperature value and start safety operation after the temperature value exceeds a predetermined value.
Compared with the prior art, the connecting structure of the power battery pack and the module has the same advantages, and the detailed description is omitted.
Another object of the utility model is to provide a power battery package to solve among the prior art problem of dangerous condition such as the fire that a plurality of modules between the power battery package caused because of the double-screw bolt assembly is not tight.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a power battery pack comprises a connecting structure of the module.
Compared with the prior art, the connecting structure of the power battery pack and the module has the same advantages, and the detailed description is omitted.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a diagram illustrating an assembly relationship between two adjacent modules according to a first embodiment of the present invention;
fig. 2 is a diagram illustrating an assembly relationship between two adjacent modules according to a second embodiment of the present invention;
fig. 3 is an assembly relationship diagram between two adjacent modules according to a third embodiment of the present invention.
Description of reference numerals:
1. a module; 2. a temperature measuring part; 3. a conductive connection member; 4. a stud; 5. a module electrode; 6. a housing; 7. a printed circuit board; 8. a bus bar.
Detailed Description
In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail with reference to the accompanying drawings in conjunction with embodiments.
The utility model provides a connection structure of module, as shown in fig. 1-3, connection structure includes conductive connection spare 3, temperature measurement spare 2 and two module 1, two module 1 assembles through double-screw bolt 4 respectively on the conductive connection spare 3, temperature measurement spare 2 is installed in two at least one in the module 1 and adjacent corresponding double-screw bolt 4 sets up. Wherein, the conductive connection point can be arranged as a copper bar.
According to the above scheme, the utility model provides a connection structure of module, the connection structure of module is through setting up temperature measurement piece 2 for two modules 1 that assemble same conductive connecting piece 3 respectively through two double-screw bolts 4 have at least one to be provided with temperature measurement piece 2, be convenient for through the temperature of these two double-screw bolts 4 departments of this temperature measurement piece 2 monitoring, avoided the module because of the double-screw bolt is not hard up to lead to the module at the resistance value of this double-screw bolt department very big, the heat production too much causes dangerous condition such as fire, the safe operation of module 1 has been guaranteed, the security performance of module 1 has been improved.
Specifically, the module 1 comprises a pair of module electrodes 5, a housing 6 and a body mounted on the housing 6, the pair of module electrodes 5 are arranged at intervals and respectively extend from the body to the edge of the housing 6, the module electrodes 5 of the two modules 1 are assembled with the conductive connecting part 3 through the studs, and the temperature measuring part 2 is mounted on the body and is arranged adjacent to the module electrodes 5, so that the temperature measuring part 2 can more accurately monitor the temperature at the studs, thereby being convenient for timely grasping the dangerous situation that the module generates too much heat due to the loosening of the bolts, and simultaneously grasping whether the heat accumulated in the housing by the body (mainly a cell unit) of the module due to too long running time is too much, and avoiding the fire caused by too high temperature of the module due to the loosening of the bolts or too long running time, the safe operation of the module is effectively guaranteed. It can be understood that, in the same module, the temperature measuring parts (for example, the left module shown in fig. 1) can be respectively arranged adjacent to a pair of module poles, that is, the temperature measuring parts are respectively arranged at the adjacent positions of the positive pole and the negative pole, at this time, taking the positive pole as an example, when the module pole of another module is assembled with the positive pole through the conductive connecting member, it is not necessary to consider whether the temperature measuring part is arranged adjacent to the module pole in another module, because the temperature measuring part arranged adjacent to the positive pole can avoid the ignition caused by either one of the two abnormal conditions that whether the bolt assembled at the positive pole is loose and whether the bolt assembled at the module pole of another module is loose (for example, if the lower pole of the left module shown in fig. 1 is the positive pole, then, whether the temperature measuring part is arranged at the lower pole of the right module is not necessary to consider), the negative pole is not described in detail; of course, in the same module, the temperature measuring member (for example, the left module shown in fig. 3) may not be installed, and the temperature measuring member needs to be installed near the module pole of another module assembled with the positive pole of the module through the conductive connecting member, and the temperature measuring member needs to be installed near the module pole of another module assembled with the negative pole of the module through the conductive connecting member; as for the same module, the temperature measuring element may be mounted on only one of the pair of module terminals (e.g., the left module shown in fig. 2), and will not be described herein again.
Further, the body includes printed circuit board 7, two lateral parts of printed circuit board 7 relative setting are close to a pair of respectively module electrode 5 sets up, temperature measurement piece 2 is installed on at least one of printed circuit board 7 on the lateral part, and the installation is convenient, and reasonable in design is convenient for monitor the temperature of module neighbouring bolt department in the casing (be close to module utmost point post department promptly).
Further, printed circuit board 7 with temperature measurement piece 2 electricity is connected, printed circuit board 7 sets up to be able to with the signal transmission who sends of temperature measurement piece 2 goes out, and the design is more reasonable, make full use of printed circuit board's signal transmission function for printed circuit board can transmit away the temperature signal of the neighbouring bolt department in the module (promptly, neighbouring module utmost point post department) fast, need not additionally to install other structures and come transmission signal (for example, electric wire etc.), has simplified the structure, has practiced thrift the cost.
Certainly, the body includes a plurality of busbars 8, temperature measurement piece 2 can also be installed nearest to module electrode 5 on the busbar 8, simple structure, compare in with temperature measurement piece 2 install in printed circuit board the lateral part, temperature measurement piece 2 is closer to the bolt, is favorable to monitoring the temperature of bolt department (promptly, module utmost point post department) more accurately, has powerfully improved the security performance of module. It will be appreciated that two of the plurality of busbars 8 are each closest to a pair of module electrodes, and therefore, the temperature measuring member may be provided in at least one of the two busbars.
Further, the module 1 comprises a module control unit, the module control unit is electrically connected with the temperature measuring part 2, and the module control unit is arranged to receive a signal sent by the temperature measuring part 2 and judge the moment attenuation condition of the studs 4 assembled at the two ends of the conductive connecting part 3 according to the signal. When the temperature measuring device is used, when the temperature value corresponding to the signal sent by the temperature measuring part 2 does not change greatly along with the operation time, namely, the temperature is not obviously increased, the temperature is mainly increased under the influence of heat gradually accumulated during the normal operation of the power battery pack, and at the moment, the moment of the stud 4 is not attenuated, and the bolt 4 is in a screwing state; when the temperature value corresponding to the signal sent by the temperature measuring part 2 changes greatly suddenly, that is, the temperature rises obviously, the temperature rises too fast mainly under the influence of the loosening of the stud (which may be one stud, that is, the stud adjacent to the temperature measuring part in the module with the temperature measuring part, or two studs, that is, the stud adjacent to the temperature measuring part in the module with the temperature measuring part, and the stud at the module pole of the adjacent module connected with the module pole through the conductive connecting part) on the module electrode arranged adjacent to the temperature measuring part, so as to generate excessive heat, because the loosening of the bolt leads to the sudden increase of the resistance value at the module electrode, at this time, it is indicated that the moment of the stud 4 is attenuated, and the bolt 4 becomes loose; therefore, the moment attenuation condition of the stud 4 can be acquired in time, and the reaction is sensitive.
The utility model also provides a power battery package, power battery package includes the connection structure of module, power battery package is including a plurality of module 1 and a plurality of electrically conductive connecting piece 3, every electrically conductive connecting piece 3 is used for assembling adjacent two module 1.
According to the above technical scheme, the utility model provides a power battery package, power battery package is through the connection structure of foretell module for two modules 1 that assemble same conductive connecting piece 3 respectively through two double-screw bolts 4 have at least one to be provided with temperature measurement 2, be convenient for through the temperature of these two double-screw bolts 4 departments of this temperature measurement 2 monitoring, avoided the module because of the double-screw bolt is not hard up to lead to the module at the resistance value of this double-screw bolt department very big, the heat production too much causes dangerous condition such as fire, the safe operation of module 1 has been guaranteed, the security performance of module 1 has been improved.
Further, the power battery pack comprises a control unit, the control unit is electrically connected with the temperature measuring part 2, the control unit is set to be capable of receiving signals sent by the temperature measuring part 2 and judging the moment attenuation conditions of the studs 4 assembled at the two ends of the conductive connecting part 3 according to the signals, the moment attenuation conditions of the studs 4 are timely acquired, and the reaction is sensitive. The specific determination process is as described above and will not be described in detail.
Furthermore, power battery package includes insurance unit, insurance unit with the control unit electricity is connected, the control unit sets up to can with the signal transmission that temperature measurement piece 2 sent gives insurance unit, insurance unit sets up to can with the signal converts corresponding temperature value into and starts insurance operation after the temperature value surpasses the predetermined value to in time stop power battery package abnormal operation, guaranteed power battery package's safety in utilization. Wherein the predetermined value can be set to various reasonable values, for example, to the ignition point of the support seat, wherein the support seat is mounted on the end plate, so that the stud can mount the module electrode on the end plate through the support seat. It can be understood that the insurance unit can set up to various reasonable forms, as long as can in time cut off the electric current can, for example, can set up to the alarm, the alarm can send out the police dispatch newspaper after the temperature value surpasses the predetermined value, reminds operating personnel in time to cut off the electric current, can also set up to circuit control switch, circuit control switch can be after the temperature value surpasses the predetermined value automatic cutout electric current.
The utility model also provides a power battery package, power battery package includes module 1's connection structure.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The connecting structure of the modules is characterized by comprising a conductive connecting piece (3), a temperature measuring piece (2) and two modules (1), wherein the two modules (1) are assembled on the conductive connecting piece (3) through studs (4) respectively, and the temperature measuring piece (2) is installed on at least one of the two modules (1) and is arranged close to the corresponding stud (4).
2. The connection structure of the module set according to claim 1, wherein the module set (1) comprises a pair of module electrodes (5), a housing (6) and a body mounted to the housing (6), the pair of module electrodes (5) being disposed at a distance from each other and extending from the body toward edges of the housing (6), respectively, the module electrodes (5) of the two module sets (1) being assembled with the conductive connecting member (3) by the stud, the temperature measuring member (2) being mounted to the body and disposed adjacent to the module electrodes (5).
3. The connection structure of a module according to claim 2, wherein the body comprises a printed circuit board (7), two oppositely disposed side portions of the printed circuit board (7) are respectively disposed adjacent to a pair of the module electrodes (5), and the temperature measuring member (2) is mounted on at least one of the side portions of the printed circuit board (7).
4. A connection arrangement for modules according to claim 3, characterised in that the printed circuit board (7) is electrically connected to the thermometric element (2), the printed circuit board (7) being arranged to be able to transmit the signal emitted by the thermometric element (2).
5. Connection structure of modules according to claim 2, characterized in that said body comprises a plurality of busbars (8), said thermometric element (2) being mounted on said busbars (8) closest to said module electrodes (5).
6. The connection structure of modules according to any one of claims 1 to 5, wherein the module (1) comprises a module control unit electrically connected to the temperature measuring member (2), the module control unit being configured to receive a signal from the temperature measuring member (2) and to determine, based on the signal, a moment attenuation of the studs (4) fitted at both ends of the electrically conductive connection member (3).
7. A power battery pack, characterized in that the power battery pack comprises a connection structure of the modules according to any one of claims 1-5, the power battery pack comprises a plurality of the modules (1) and a plurality of the conductive connecting members (3), each conductive connecting member (3) being used for assembling two adjacent modules (1).
8. The power battery pack according to claim 7, characterized in that the power battery pack comprises a control unit, the control unit is electrically connected with the temperature measuring part (2), and the control unit is arranged to receive a signal sent by the temperature measuring part (2) and judge the moment attenuation condition of the studs (4) assembled at the two ends of the conductive connecting part (3) according to the signal.
9. The power battery pack according to claim 8, characterized in that the power battery pack comprises a safety unit, the safety unit is electrically connected with the control unit, the control unit is arranged to transmit the signal sent by the temperature measuring element (2) to the safety unit, the safety unit is arranged to convert the signal into a corresponding temperature value and to initiate a safety operation after the temperature value exceeds a predetermined value.
10. A power battery pack, characterized in that it comprises the connection structure of the module (1) according to claim 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020139250.4U CN211828984U (en) | 2020-01-20 | 2020-01-20 | Connection structure and power battery package of module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020139250.4U CN211828984U (en) | 2020-01-20 | 2020-01-20 | Connection structure and power battery package of module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211828984U true CN211828984U (en) | 2020-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020139250.4U Active CN211828984U (en) | 2020-01-20 | 2020-01-20 | Connection structure and power battery package of module |
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| Country | Link |
|---|---|
| CN (1) | CN211828984U (en) |
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2020
- 2020-01-20 CN CN202020139250.4U patent/CN211828984U/en active Active
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