CN219392238U - Performance test matching device of lithium ion power battery - Google Patents
Performance test matching device of lithium ion power battery Download PDFInfo
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- CN219392238U CN219392238U CN202320646680.9U CN202320646680U CN219392238U CN 219392238 U CN219392238 U CN 219392238U CN 202320646680 U CN202320646680 U CN 202320646680U CN 219392238 U CN219392238 U CN 219392238U
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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 discloses a performance test matching device of a lithium ion power battery, which comprises a pressure simulation device and a temperature simulation device; the pressure simulation device comprises a pressing device and a pressure measurement device: the compressing device is used for compressing the battery to be tested; the pressure testing device is used for measuring the pressing force applied by the pressing device to the battery to be tested; the temperature simulation device comprises a locating plate and a bottom plate which are distributed at intervals from top to bottom: the top of the bottom plate is used for placing a battery to be tested; the positioning plate and the bottom plate can be filled with liquid with preset temperature; the compressing device compresses the battery to be tested through the locating plate. The performance test matching device for the lithium ion power battery disclosed by the utility model is scientific in design, can simulate the actual battery use scene in the performance test process before the battery monomer leaves a factory, and can more accurately and reliably predict the performance of the lithium ion power battery monomer in the actual use process.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a performance test matching device of a lithium ion power battery.
Background
The lithium ion battery has the advantages of high specific energy, multiple recycling times, long storage time and the like, is widely applied to portable electronic equipment (such as mobile phones, digital cameras and portable computers) and is widely applied to large and medium-sized electric equipment such as electric automobiles, electric bicycles, electric tools and the like, so that the performance requirement on the lithium ion battery is higher and higher.
For electric vehicles, the overall performance of the electric vehicle is directly affected by the performance of the vehicle-mounted high-capacity lithium ion power battery, so that higher requirements (such as higher safety and better performance) are put forward for the vehicle-mounted power battery of the electric vehicle.
At present, before leaving the factory, the performance of the vehicle-mounted high-capacity lithium ion power battery needs to be detected, for example, the battery is subjected to a charge-discharge cycle test, and data such as voltage, current and the like in the charge-discharge test process are obtained.
In view of a vehicle-mounted high-capacity lithium ion power battery cell, in an actual use process, the vehicle-mounted high-capacity lithium ion power battery cell is located in a battery module (the battery module comprises a plurality of battery cells arranged in parallel), a side surface (namely a large-area side surface) of the vehicle-mounted high-capacity lithium ion power battery cell can be subjected to a certain extrusion force (extrusion force transmitted by an adjacent battery cell), and meanwhile, the side surface of the vehicle-mounted high-capacity lithium ion power battery cell can be subjected to a certain heat transmitted by the adjacent battery cell. Therefore, before leaving the factory, in order to accurately and reliably detect (i.e. predict) the performance of the vehicle-mounted high-capacity lithium ion power battery monomer in the actual use process in advance, a certain extrusion force and heat transfer can be provided for the side surface of the battery monomer during testing so as to simulate the actual use scene of the battery.
However, there is currently no technology that can meet the above requirements.
Disclosure of Invention
The utility model aims at providing a performance test matching device of a lithium ion power battery aiming at the technical defects existing in the prior art.
Therefore, the utility model provides a performance test matching device of a lithium ion power battery, which comprises a pressure simulation device and a temperature simulation device;
the pressure simulation device comprises a pressing device and a pressure measurement device:
the compressing device is used for compressing the battery to be tested;
the pressure testing device is used for measuring the pressing force applied by the pressing device to the battery to be tested;
the temperature simulation device comprises a locating plate and a bottom plate which are distributed at intervals from top to bottom:
the top of the bottom plate is used for placing a battery to be tested;
the positioning plate and the bottom plate can be filled with liquid with preset temperature;
the compressing device compresses the battery to be tested through the locating plate.
Compared with the prior art, the technical scheme provided by the utility model provides the performance test matching device of the lithium ion power battery, which is scientific in design, can provide certain extrusion force and heat transfer for the side surface of the battery monomer in the performance test process before the delivery of the lithium ion power battery monomer (such as a vehicle-mounted high-capacity lithium ion power battery monomer) so as to simulate the actual battery use scene, thereby more accurately and reliably detecting (i.e. predicting) the performance of the lithium ion power battery monomer in the actual use process in advance, and has great practical significance.
Drawings
Fig. 1 is a schematic perspective view of a performance test kit for a lithium ion power battery according to the present utility model;
fig. 2 is a schematic diagram of a three-dimensional exploded view of a performance test kit for a lithium ion power battery according to the present utility model;
in the figure, 1, a bottom plate, 2, a bottom insulating plate, 3, a guide rod, 4, a pressing insulating plate, 5 and a positioning plate;
6. the device comprises a guide shaft sleeve, 7, a top plate, 8, an operating rod, 9, a screw rod, 10 and a nut;
11. the device comprises a compacting plate 12, a pressure tester 13, a moment column 14 and a battery to be tested;
141. a battery positive electrode, 142, a battery negative electrode;
151. a first water inlet connector 152 and a first water outlet connector;
161. a second water inlet connector 162 and a second water outlet connector;
201. a bottom insulating plate through hole 401, a pressing insulating plate through hole 502, a first moment post insertion hole 701, a nut mounting hole 1101 and a second moment post mounting hole.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
The utility model provides a performance test matching device of a lithium ion power battery, which comprises a pressure simulation device and a temperature simulation device;
the pressure simulation device comprises a pressing device and a pressure measurement device:
the pressing device is used for pressing the battery 14 to be tested;
the pressure testing device is used for measuring the pressing force applied by the pressing device to the battery 14 to be tested;
the temperature simulation device comprises a locating plate 5 and a bottom plate 1 which are distributed at intervals from top to bottom:
the top of the bottom plate 1 is used for placing a battery 14 to be tested;
the positioning plate 5 and the bottom plate 1 can be filled with liquid with preset temperature;
the pressing device presses the battery 14 to be tested through the positioning plate 5.
Further, the pressing device includes a pressure applying mechanism, a top plate 7, and a pressing plate 11;
the top plate 7 is arranged above the positioning plate 5 at intervals;
the pressure applying mechanism comprises a screw rod 9, the screw rod 9 is in threaded connection with the top plate 7, and one end of the screw rod 9, which is positioned between the top plate 7 and the positioning plate 5, is connected with the pressing plate 11;
the hold-down plate 11 holds down the battery 14 to be tested by the positioning plate 5.
Further, the pressure measuring device includes a pressure tester 12;
the pressure tester 12 is positioned between the compacting plate 11 and the positioning plate 5 and is fixed on the top surface of the positioning plate 5;
preferably, a moment post 13 is arranged at the bottom of the compaction plate 11;
the moment post 13 is located on the side of the pressure tester 12;
the top of the positioning plate 5 is provided with a first moment post insertion hole 502 at a position corresponding to the moment post 13;
the moment post 13 is configured to be inserted into the first moment post insertion hole 502 at a lower end thereof when moving downward with the pressing plate 11.
Further, four corners of the bottom of the top plate 7 are fixedly connected with four corners of the top of the bottom plate 1 through a wire rod 3 respectively;
the positioning plate 5 is respectively provided with a positioning plate through hole 501 at a position corresponding to each wire rod 3;
each positioning plate through hole 501 vertically penetrates through one wire rod 3;
preferably, the top plate 7, the positioning plate 5 and the bottom plate 1 are all horizontally distributed;
preferably, the locating plate through hole 501 is in clearance fit with the wire guide rod 3.
Further, a guide shaft sleeve 6 is fixedly arranged at the top of the positioning plate 5 at the corresponding position of each wire rod 3;
each guide shaft sleeve 6 is directly penetrated through one wire rod 3;
preferably, the guide sleeve 6 is in clearance fit with the wire rod 3.
Further, a bottom insulating plate 2 is provided on the top of the bottom plate 1;
the top of the bottom insulating plate 2 is placed with a battery 14 to be tested;
the bottom surface of the positioning plate 5 is provided with a compaction insulating plate 4;
the pressing insulating plate 4 is located directly above the battery 14 to be tested.
Further, the pressing insulating plates 4 are respectively provided with a pressing insulating plate through hole 401 at positions corresponding to each wire rod 3;
each compaction insulating plate through hole 401 penetrates through one wire rod 3;
preferably, the pressing insulating plate through hole 401 is in clearance fit with the wire rod 3.
Further, the top plate 7 is provided with a nut mounting hole 701 at a position right above the pressing plate 11;
the nut mounting hole 701 is provided with a nut 10;
the nut 10 is in threaded connection with the screw 9;
preferably, the upper end of the screw 9 is provided with an operation rod installation through hole therethrough;
the operation lever 8 is mounted on the operation lever mounting through hole.
Further, the positioning plate 5 and the bottom plate 1 are hollow structures respectively;
preferably, the temperature of the liquid in the positioning plate 5 and the bottom plate 1 is the same.
Further, the positioning plate 5 and the bottom plate 1 are independently provided with a hollow first water through cavity and a hollow second water through cavity;
the positioning plate 5 is provided with a first water inlet connector 151 and a first water outlet connector 152;
a first water inlet connector 151 and a first water outlet connector 152, which are respectively communicated with the first water through cavity;
the bottom plate 1 is provided with a second water inlet connector 161 and a second water outlet connector 162;
the second water inlet connector 161 and the second water outlet connector 162 are respectively communicated with the second water passing inner cavity.
The utility model will be described in detail below with reference to the drawings in connection with embodiments.
Referring to fig. 1 and 2, the utility model provides a performance test matching device of a lithium ion power battery, which comprises a top plate 7, a positioning plate 5 and a bottom plate 1 which are distributed at intervals from top to bottom;
the top of the bottom plate 1 is provided with a battery 14 to be tested;
the top of the positioning plate 5 is provided with a pressure tester 12;
a hold-down plate 11 capable of moving up and down is provided above the pressure tester 12.
The positioning plate 5 and the bottom plate 1 are respectively used for introducing liquid (such as water) with preset temperature.
It should be noted that the preset temperature may be adjusted according to the needs of the user, and may be, for example, 20 ℃, 25 ℃ or 30 ℃.
In the utility model, four corners of the bottom of the top plate 7 are fixedly connected with four corners of the top of the bottom plate 1 through a wire rod 3 respectively;
the positioning plate 5 is respectively provided with a positioning plate through hole 501 at a position corresponding to each wire rod 3;
each positioning plate through hole 501 vertically penetrates through one wire rod 3;
the top plate 7, the positioning plate 5 and the bottom plate 1 are all horizontally distributed;
the locating plate through hole 501 is in clearance fit with the wire rod 3; that is, the diameter of the circular locating plate through hole 501 is larger than the diameter of the cylindrical wire rod 3.
Preferably, in the utility model, a guide shaft sleeve 6 is fixedly arranged at the top of the positioning plate 5 at the corresponding position of each wire rod 3;
in each guide sleeve 6, a wire rod 3 is vertically penetrated.
Preferably, the guide sleeve 6 is in clearance fit with the wire rod 3.
In the present utility model, the bottom plate 1 is provided at the top with a bottom insulating plate 2;
the top of the bottom insulating plate 2 is horizontally provided with a battery 14 to be tested;
the bottom surface of the positioning plate 5 is provided with a compaction insulating plate 4;
the center of the top surface of the positioning plate 5 is fixedly provided with the pressure tester 12;
preferably, the pressing insulating plates 4 are respectively provided with one pressing insulating plate through hole 401 at a position corresponding to each wire rod 3;
each compaction insulating plate through hole 401 penetrates through one wire rod 3;
preferably, the pressing insulating plate through hole 401 is in clearance fit with the wire rod 3.
In the present utility model, a pressure applying mechanism is provided above the hold-down plate 11;
the pressure applying mechanism is used for applying downward pressure to the compacting plates 11;
preferably, the pressure applying mechanism comprises a screw 9;
the screw 9 is in threaded connection with the top plate 7;
it should be noted that, the screw 9 realizes up-and-down movement through threaded connection with the nut 10, and through the up-and-down movement, the lower end of the screw 9 pushes the pressing plate 11 to move downward after contacting the pressing plate 11 directly below the screw, so as to provide downward pressing force for the pressing plate 11, the positioning plate 5 and the battery 14 to be tested.
Preferably, the top plate 7 is provided with a nut mounting hole 701 at a position right above the pressing plate 11;
the nut mounting hole 701 is provided with a nut 10;
the nut 10 is in threaded connection with the screw 9;
preferably, the upper end of the screw 9 is provided with an operation rod installation through hole therethrough;
the operating rod 8 is arranged on the operating rod installation through hole;
in the present utility model, the positioning plate 5 and the bottom plate 1 are hollow structures, respectively;
preferably, the temperature of the liquid in the positioning plate 5 and the bottom plate 1 is the same.
In the utility model, in particular implementation, the positioning plate 5 and the bottom plate 1 are respectively provided with a hollow first water through cavity and a hollow second water through cavity;
it should be noted that, the size of the setting area of the first water-passing inner cavity and the second water-passing inner cavity is larger than the size of the contact area between the bottom surface of the positioning plate 5 and the top surface of the bottom plate 1 and the battery 14 to be tested, that is, the upper and lower side areas of the battery 14 to be tested are completely covered.
The left and right ends of the front side of the positioning plate 5 are respectively provided with a first water inlet connector 151 and a first water outlet connector 152;
a first water inlet connector 151 and a first water outlet connector 152, which are respectively communicated with the first water through cavity;
the left and right ends of the front side of the bottom plate 1 are respectively provided with a second water inlet connector 161 and a second water outlet connector 162;
the second water inlet connector 161 and the second water outlet connector 162 are respectively communicated with the second water passing inner cavity.
In particular, the first water inlet connector 151, the first water outlet connector 152, the second water inlet connector 161 and the second water outlet connector 162 are respectively connected with the existing external liquid temperature control device (such as a liquid cooling device) through hollow connecting pipelines. For example: the first water inlet connector 151 and the second water inlet connector 161 are respectively communicated with a liquid outlet of an external cooling pump (such as a water pump) through hollow connecting pipelines, the first water outlet connector 152 and the second water outlet connector 162 are respectively communicated with a liquid inlet of an external cooling pump (such as a water pump) through hollow connecting pipelines, and cooling liquid is pre-injected into the first water cavity and the second water cavity and the connecting pipelines.
The cooling liquid is flame-retardant cooling liquid or water. The external cooling pump (such as a water pump) is used for providing circulating power for the cooling liquid in the first water-through inner cavity, the second water-through inner cavity and the connecting pipeline, so that the cooling liquid can flow in the liquid cooling pipe and the related connecting pipes, and the flow speed of the cooling liquid can be controlled. In particular, a temperature sensor, a radiator and a heater may be installed on the connection pipes between the first water inlet connector 151 and the second water inlet connector 161 and the first water outlet connector 152 and the second water outlet connector 162 and the external cooling pump (e.g., water pump) to facilitate heat dissipation treatment of the cooling liquid in summer and heat treatment of the cooling liquid in winter.
Based on the above design, the utility model can not only provide a certain amount of heat for the upper and lower sides of the battery 14 to be tested by delivering water (cooling liquid) higher than room temperature (i.e. the temperature of the environment where the battery is located) to simulate the heat transferred by the adjacent battery cells, but also cool the upper and lower sides of the battery 14 to be tested by delivering water (cooling liquid) with lower temperature (e.g. lower than room temperature), thereby further testing the performance of the battery under the conditions of cooling and not overhigh temperature.
In the present utility model, in a specific implementation, the front side left and right ends of the battery 14 to be tested are respectively provided with a battery positive electrode 141 and a battery negative electrode 142;
the battery 14 to be tested is for connection with existing battery performance testing equipment.
For the present utility model, in order to perform the performance test on the battery 14 to be tested, an existing battery performance test apparatus is specifically used, and for example, a conventional battery test system (for example, an existing Arbin bt2000 charge/discharge test system) such as Arbin and hangar may be used. For example, after applying a certain compression force to the battery 14 to be tested and providing a certain amount of heat to the side surface of the battery, the battery can be subjected to a charge-discharge cycle through a conventional battery charge-discharge cycle test system such as Arbin and Hangzhou, and the like, and real-time charge-discharge cycle capacity, voltage, current and other data are collected from the battery during the charge-discharge cycle. This is a function of the existing battery performance test apparatus itself, and will not be described here again.
In the utility model, the front side and the rear side of the bottom of the compacting plate 11 are respectively fixedly connected with the top end of a moment column 13;
the top of the positioning plate 5 is respectively provided with a first moment post jack 502 at a position corresponding to each moment post 13;
the moment post 13 is configured to be inserted into the first moment post insertion hole 502 at a lower end thereof when moving downward with the pressing plate 11.
It should be noted that, the top end of the moment post 13 is fixedly connected to the bottom of the pressing plate 11, and the lower end of the moment post 13 is not fixedly connected to other components, and can be inserted into and out of the first moment post insertion hole 502 along with the up-and-down movement of the pressing plate 11.
The moment post 13 is used for connecting the pressing plate 11 and functioning to position the pressure tester 12.
In the present utility model, the hold-down plate 11 is provided with second moment post mounting holes 1101 at positions corresponding to each moment post 13, respectively;
each second moment post mounting hole 1101 is connected (specifically, screw-fixedly connected) to an upper end of one moment post 13.
In the present utility model, in particular, the bottom insulating plate 2 is provided with a bottom insulating plate through hole 201 at a position corresponding to each wire rod 3;
each bottom insulating plate through hole 201 penetrates through the bottom of one wire rod 3.
In the present utility model, the nut 10 is used for positioning and guiding the screw 9; a pressure plate 11, which is located between the screw 9 and the pressure tester 12, for transmitting the pressing force. And an operating lever 8 for operating the screw 9 to perform up-and-down movement. The guide rod 3 plays a supporting role for the top plate 7 and a guiding role for the positioning plate 5.
In the present utility model, by applying the pressing insulating plate 4, the pressing force applied to the battery 14 to be tested can be uniformly dispersed, and at the same time, can be used for simulating the gasket between two adjacent battery cells in the existing battery module.
Preferably, the base plate 1 and the positioning plate 5 are both aluminum plates
Preferably, the pressing insulating board 4 and the bottom insulating board 2 may be insulating boards, such as red dot boards, which are insulating and not easy to short circuit during the test.
Preferably, in the present utility model, by passing a liquid of a preset temperature through the bottom plate 1 and the positioning plate 5, it is possible to maintain the same temperature on both the upper and lower sides of the battery 14 to be tested and maintain a constant temperature state.
In the present utility model, the pressure tester 12 is used for measuring the pressure, that is, the amount of the pressing force applied by the screw 9 to the pressing plate 11, the positioning plate 5 and the battery 14 to be tested below.
The pressure tester 12 is connected with the existing data acquisition instrument (pressure data acquisition instrument), and the compression force detected by the pressure tester 12 can be obtained through the display interface of the data acquisition instrument.
In particular, the pressure tester 12 is a well-established module of the prior art, and may be a pressure sensor, for example, a 30KN pressure sensor produced by Shanghai Zhendan sensor Instrument works.
In summary, compared with the prior art, the performance test matching device for the lithium ion power battery provided by the utility model has scientific design, can provide a certain extrusion force and heat transfer for the side surface of the battery monomer in the performance test process before the delivery of the lithium ion power battery monomer (such as a vehicle-mounted high-capacity lithium ion power battery monomer) so as to simulate the actual battery use scene, thereby more accurately and reliably pre-detecting (i.e. predicting) the performance of the lithium ion power battery monomer in the actual use process, and has great practical significance.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.
Claims (10)
1. The performance test matching device of the lithium ion power battery is characterized by comprising a pressure simulation device and a temperature simulation device;
the pressure simulation device comprises a pressing device and a pressure measurement device:
the compressing device is used for compressing the battery (14) to be tested;
the pressure testing device is used for measuring the pressing force applied by the pressing device to the battery (14) to be tested;
the temperature simulation device comprises a positioning plate (5) and a bottom plate (1) which are distributed at intervals from top to bottom:
the top of the bottom plate (1) is used for placing a battery (14) to be tested;
the positioning plate (5) and the bottom plate (1) can be filled with liquid with preset temperature;
the compressing device compresses the battery (14) to be tested through the locating plate (5).
2. The lithium-ion power battery performance test kit according to claim 1, wherein the pressing device comprises a pressure applying mechanism, a top plate (7) and a pressing plate (11);
the top plates (7) are arranged above the positioning plates (5) at intervals;
the pressure applying mechanism comprises a screw rod (9), the screw rod (9) is in threaded connection with the top plate (7), and one end of the screw rod (9) positioned between the top plate (7) and the positioning plate (5) is connected with the pressing plate (11);
the pressing plate (11) presses the battery (14) to be tested through the locating plate (5).
3. The lithium-ion power battery performance test kit according to claim 2, wherein the pressure measurement device comprises a pressure tester (12);
the pressure tester (12) is positioned between the pressing plate (11) and the positioning plate (5) and is fixed on the top surface of the positioning plate (5).
4. The matching device for testing the performance of the lithium ion power battery according to claim 2, wherein the four corners of the bottom of the top plate (7) are fixedly connected with the four corners of the top of the bottom plate (1) through a wire rod (3) respectively;
the positioning plates (5) are respectively provided with a positioning plate through hole (501) at positions corresponding to each wire rod (3);
each positioning plate through hole (501) vertically penetrates through one wire rod (3);
the locating plate through hole (501) is in clearance fit with the wire rod (3).
5. The matching device for testing the performance of the lithium ion power battery according to claim 1, wherein a guide shaft sleeve (6) is fixedly arranged at the top of the positioning plate (5) at the corresponding position of each wire rod (3);
each guide shaft sleeve (6) is directly penetrated through one wire rod (3);
the guide shaft sleeve (6) is in clearance fit with the wire guide rod (3).
6. The performance test kit of a lithium ion power battery according to claim 1, characterized in that a bottom insulating plate (2) is arranged on top of the bottom plate (1);
a battery (14) to be tested is placed on the top of the bottom insulating plate (2);
the bottom surface of locating plate (5) is provided with and compresses tightly insulation board (4), compresses tightly insulation board (4) and is located directly over battery (14) of awaiting measuring.
7. The performance test kit of the lithium ion power battery according to claim 6, wherein the pressing insulating plate (4) is provided with a pressing insulating plate through hole (401) at a position corresponding to each wire rod (3);
each compaction insulating plate through hole (401) penetrates through one wire rod (3);
the compaction insulating plate through hole (401) is in clearance fit with the wire rod (3).
8. The performance test kit of the lithium ion power battery according to claim 2, wherein the top plate (7) is provided with a nut mounting hole (701) at a position right above the pressing plate (11);
the nut mounting hole (701) is provided with a nut (10);
the nut (10) is in threaded connection with the screw rod (9);
the upper end of the screw rod (9) is provided with an operating rod installation through hole in a penetrating way, and an operating rod (8) is arranged in the operating rod installation through hole.
9. The lithium-ion power battery performance test kit according to claim 1, wherein the positioning plate (5) and the bottom plate (1) are hollow structures, respectively.
10. The lithium-ion power battery performance test kit according to claim 1, characterized in that the positioning plate (5) and the bottom plate (1) independently have a hollow first water-passing inner cavity and a hollow second water-passing inner cavity;
the positioning plate (5) is provided with a first water inlet connector (151) and a first water outlet connector (152);
a first water inlet connector (151) and a first water outlet connector (152) which are respectively communicated with the first water through cavity;
the bottom plate (1) is provided with a second water inlet connector (161) and a second water outlet connector (162);
a second water inlet connector (161) and a second water outlet connector (162) are respectively communicated with the second water passing inner cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320646680.9U CN219392238U (en) | 2023-03-29 | 2023-03-29 | Performance test matching device of lithium ion power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320646680.9U CN219392238U (en) | 2023-03-29 | 2023-03-29 | Performance test matching device of lithium ion power battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219392238U true CN219392238U (en) | 2023-07-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320646680.9U Active CN219392238U (en) | 2023-03-29 | 2023-03-29 | Performance test matching device of lithium ion power battery |
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| Country | Link |
|---|---|
| CN (1) | CN219392238U (en) |
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- 2023-03-29 CN CN202320646680.9U patent/CN219392238U/en active Active
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| GR01 | Patent grant |