CN220207816U - Testing device and testing equipment for battery pack - Google Patents
Testing device and testing equipment for battery pack Download PDFInfo
- Publication number
- CN220207816U CN220207816U CN202321477459.1U CN202321477459U CN220207816U CN 220207816 U CN220207816 U CN 220207816U CN 202321477459 U CN202321477459 U CN 202321477459U CN 220207816 U CN220207816 U CN 220207816U
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- battery pack
- testing
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- sliding
- movable plate
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- 238000012360 testing method Methods 0.000 title claims abstract description 73
- 239000000523 sample Substances 0.000 claims abstract description 59
- 238000003466 welding Methods 0.000 claims abstract description 22
- 238000007599 discharging Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 102100028667 C-type lectin domain family 4 member A Human genes 0.000 description 1
- 101000766908 Homo sapiens C-type lectin domain family 4 member A Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
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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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- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a testing device and testing equipment for a battery pack, and belongs to the field of battery pack testing. The testing device comprises a base and a testing assembly. The testing assembly comprises two current probes and two movable plates, wherein the two current probes are arranged on one movable plate at intervals so as to respectively test the direct current resistance of the positive electrode and the negative electrode at one side of the battery pack, the two movable plates are arranged at intervals in parallel, each movable plate is provided with a plurality of temperature probes, and each movable plate is slidably arranged on the base so as to respectively drive a plurality of temperature probes to test the temperatures of a plurality of welding spots at two sides of the battery pack. The testing device for the battery pack can conveniently and simultaneously measure the temperature of each welding spot and the corresponding direct current resistance in the discharging process of the battery pack, so that the testing efficiency is improved.
Description
Technical Field
The utility model belongs to the field of battery pack testing, and particularly relates to a testing device and testing equipment for a battery pack.
Background
With the development of domestic new energy battery technology and the frequent outdoor activities of people, the application scene of the battery pack becomes wide.
In the related art, a battery pack is generally composed of a plurality of electric cores, and positive and negative contacts of the electric cores are connected end to end through welding of stainless steel sheets, so that the battery pack is formed by connecting the electric cores in series. For example, the positive and negative electrodes of the battery pack are located at one side of the battery pack, and both sides of the battery pack have a plurality of welding spots (see fig. 1 and 2).
The direct current resistance (DCIR) of the battery pack, and the temperature of each welding spot during discharging, need to be tested before shipping to meet shipping requirements. However, in the existing test, the test of the temperature of the welding point and the direct current resistance needs to be performed sequentially at different stations, resulting in lower test efficiency.
Disclosure of Invention
Aiming at the defects or improvement demands of the prior art, the utility model provides a testing device and testing equipment of a battery pack, and aims to simultaneously and conveniently measure the temperature of each welding spot and the corresponding direct current resistance in the discharging process of the battery pack, thereby improving the testing efficiency.
In a first aspect, the present utility model provides a testing device for a battery pack, the testing device comprising a base and a testing assembly;
the testing assembly comprises two current probes and two movable plates, wherein the two current probes are arranged on one movable plate at intervals so as to respectively test the direct current resistance of the positive electrode and the negative electrode at one side of the battery pack, the two movable plates are arranged at intervals in parallel, each movable plate is provided with a plurality of temperature probes, and each movable plate is slidably arranged on the base so as to respectively drive a plurality of temperature probes to test the temperatures of a plurality of welding spots at two sides of the battery pack.
Optionally, the test assembly further includes two sliding modules, two sliding modules and two movable plates are in one-to-one correspondence, each sliding module includes a sliding seat, a driving piece and at least one guide rod, each sliding seat is slidably disposed on the base, the driving piece and the guide rod are located on the sliding seat, each movable plate is slidably sleeved on the corresponding guide rod, and an output end of the driving piece abuts against the movable plate to drive the movable plate to slide.
Optionally, each sliding module further includes a sliding rail, the sliding rail is located on the base, the sliding seat is in sliding fit with the sliding rail, and two sides of the sliding rail are provided with limiting blocks to limit the sliding seat to slide.
Optionally, the sliding seat is provided with a mounting block, the mounting block is movably inserted with a bolt, the base is provided with a positioning block, and the positioning block is provided with a positioning hole for inserting the bolt.
Optionally, the driving member is a quick clamp or a jackscrew.
Optionally, the base is provided with a carrying platform, and the carrying platform is located between the two movable plates.
Optionally, the carrier is provided with a plurality of positioning blocks, and the positioning blocks are arranged at intervals along the circumferential direction of the carrier so as to position the battery pack.
Optionally, the base is provided with a terminal strip, and each temperature probe is communicated with the terminal strip through a cable.
Optionally, the base is provided with a probe seat, and each current probe is communicated with the probe seat through a cable.
In a second aspect, the present utility model provides a testing apparatus comprising a testing device for a battery pack according to the first aspect.
In general, the above technical solutions conceived by the present utility model have the beneficial effects compared with the prior art including:
when the testing device for the battery pack provided by the embodiment of the utility model is used for testing the battery pack, firstly, the battery pack is placed on the base, and at the moment, the battery pack is positioned between the two movable plates, and the one-to-one correspondence of a plurality of welding spots on the left side of the battery pack and a plurality of temperature probes on the movable plate on the left side of the battery pack is ensured, and the one-to-one correspondence of a plurality of welding spots on the right side of the battery pack and a plurality of temperature probes on the movable plate on the right side of the battery pack is ensured, and the one-to-one correspondence of the anode and the cathode on the right side of the battery pack and two current probes on the movable plate on the right side of the battery pack is ensured. And then, respectively driving the two movable plates to slide towards the direction of the battery pack until each temperature probe is contacted and conducted with a welding spot on the battery pack, and each current probe is contacted and conducted with a positive electrode or a negative electrode on the battery pack. Finally, by providing electric signals for each temperature probe and each current probe, the temperature of each welding spot and the corresponding direct current resistance in the discharging process of the battery pack can be conveniently and simultaneously measured on the same station, and the testing efficiency is improved.
That is, the testing device for the battery pack provided by the embodiment of the utility model can conveniently and simultaneously measure the temperature of each welding spot and the corresponding direct current resistance in the discharging process of the battery pack, thereby improving the testing efficiency.
Drawings
Fig. 1 is a first view of a battery pack provided by an embodiment of the present utility model;
fig. 2 is a second view of a battery pack provided by an embodiment of the present utility model;
fig. 3 is a schematic structural diagram of a testing device for a battery pack according to an embodiment of the present utility model;
FIG. 4 is a schematic view of a movable plate according to an embodiment of the present utility model;
FIG. 5 is a schematic view of another movable plate according to an embodiment of the present utility model;
fig. 6 is a schematic diagram of a first state of a testing device for a battery pack according to an embodiment of the present utility model;
fig. 7 is a schematic diagram of a second state of a testing device for a battery pack according to an embodiment of the present utility model;
fig. 8 is a schematic structural diagram of a base according to an embodiment of the present utility model.
Like reference numerals denote like technical features throughout the drawings, in particular:
1. a base; 11. a carrier; 111. positioning a stop block; 12. a terminal block; 13. a probe seat; 2. a testing component; 21. a current probe; 22. a movable plate; 23. a temperature probe; 24. a sliding module; 241. a sliding seat; 242. a driving member; 243. a guide rod; 244. a slide rail; 245. a limiting block; 246. a mounting block; 247. a plug pin; 248. a positioning block; 249. a slide block; 100. a battery pack; 110. a positive electrode; 120. a negative electrode; 130. and welding spots.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", 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 device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore 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" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
Examples:
fig. 3 is a schematic structural diagram of a testing device for a battery pack according to an embodiment of the present utility model, and as shown in fig. 3, the testing device includes a base 1 and a testing assembly 2.
The testing assembly 2 includes two current probes 21 and two movable plates 22 (see fig. 4 and 5), wherein the two current probes 21 are arranged on one movable plate 22 at intervals to respectively test the direct current resistances of the positive electrode 110 and the negative electrode 120 at one side of the battery pack 100, the two movable plates 22 are arranged in parallel at intervals, each movable plate 22 is provided with a plurality of temperature probes 23, and each movable plate 22 is slidably arranged on the base 1 to respectively drive the plurality of temperature probes 23 to test the temperatures of a plurality of welding spots 130 at two sides of the battery pack 100.
For the testing device of the battery pack provided in the embodiment of the utility model, when testing the battery pack 100, firstly, the battery pack 100 is placed on the base 1, and at this time, the battery pack 100 is located between the two movable plates 22 (see fig. 6), and it is ensured that the plurality of welding spots 130 on the left side of the battery pack 100 are in one-to-one correspondence with the plurality of temperature probes 23 on the movable plate 22 on the left side, the plurality of welding spots 130 on the right side of the battery pack 100 are in one-to-one correspondence with the plurality of temperature probes 23 on the movable plate 22 on the right side, and it is ensured that the positive electrode 110 and the negative electrode 120 on the right side of the battery pack 100 are in one-to-one correspondence with the two current probes 21 on the movable plate 22 on the right side. Then, the two movable plates 22 are driven to slide in the direction toward the battery pack 100 until the temperature probes 23 are in contact with the welding points 130 on the battery pack 100, and the current probes 21 are in contact with the positive electrode 110 or the negative electrode 120 on the battery pack 100. Finally, by providing electrical signals to each temperature probe 23 and the current probe 21, the temperature of each welding spot 130 and the corresponding direct current resistance in the discharging process of the battery pack 100 can be conveniently measured at the same station, and the testing efficiency is improved.
That is, the testing device for the battery pack provided by the embodiment of the utility model can conveniently and simultaneously measure the temperature and the corresponding direct current resistance of each welding spot 130 in the discharging process of the battery pack 100, thereby improving the testing efficiency.
The number of temperature probes 23 is determined according to the number of battery packs 100, and the present utility model is not limited thereto.
In this embodiment, the testing assembly 2 further includes two sliding modules 24, the two sliding modules 24 and the two movable plates 22 are in one-to-one correspondence, each sliding module 24 includes a sliding seat 241, a driving member 242 and at least one guide rod 243, each sliding seat 241 is slidably disposed on the base 1, the driving member 242 and the guide rod 243 are located on the sliding seat 241, each movable plate 22 is slidably sleeved on the corresponding guide rod 243, and the output end of the driving member 242 abuts against the movable plate 22 to drive the movable plate 22 to slide.
In the above embodiment, the sliding seat 241 has a sliding effect on the driving member 242 and the guide rod 243, so that the two movable plates 22 have a larger space before the battery pack 100 is placed, thereby facilitating loading and unloading. After the battery pack 100 is placed, the positions of the movable plate 22, the temperature probes 23 and the current probes 21 are roughly adjusted through the sliding seat 241, and then the movable plate 22 is driven to slide through the driving piece 242, so that fine adjustment is performed until each temperature probe 23 is contacted and conducted with the welding spot 130 on the battery pack 100, and each current probe 21 is contacted and conducted with the positive electrode 110 or the negative electrode 120 on the battery pack 100, so that the temperature probes 23 and the current probes 21 can be prevented from being crushed.
Illustratively, each slide mount 241 has 4 guide rods 243 thereon. The sliding seat 241 has a plurality of linear bearings thereon, and the guide rod 243 is inserted into the corresponding linear bearings.
Illustratively, each sliding seat 241 has an L-shaped structure and is reinforced by reinforcing ribs.
Further, each sliding module 24 further includes a sliding rail 244, the sliding rail 244 is located on the base 1, the sliding seat 241 is slidably matched with the sliding rail 244, and two sides of the sliding rail 244 are provided with limiting blocks 245 to limit the sliding of the sliding seat 241. The sliding rail 244 plays a guiding role in sliding the sliding seat 241, and the limiting block 245 can prevent the sliding seat 241 from being separated from the sliding rail 244.
Illustratively, each sliding seat 241 corresponds to 2 sliding rails 244, thereby increasing the sliding stability of the sliding seat 241.
Illustratively, the slide rail 244 is slidably provided with a slider 249, and each slider 249 is fixed to the bottom of the corresponding slide seat 241. In addition, the limiting blocks 245 are all arranged on the base 1.
In one implementation of the present utility model, the sliding base 241 has a mounting block 246, the mounting block 246 is movably inserted with a latch 247, the base 1 has a positioning block 248, and the positioning block 248 has a positioning hole for inserting the latch 247.
In the above embodiment, the latch 247 is inserted into the positioning hole of the positioning block 248, so that the sliding seat 241 is limited after the sliding seat 241 is completed (see fig. 7). Thereafter, the sliding seat 241 is kept fixed (hereinafter, may be referred to as fine tuning) and does not move during the process of driving the movable plate 22 to move by the driving member 242, so that fine tuning of the movable plate 22, the temperature probe 23 and the current probe 21 is not affected.
In this embodiment, the driver 242 is a quick clamp or a jackscrew. The movable plate 22 can be pushed to move accurately by the quick clamp or the jackscrew on the sliding seat 241.
It should be noted that the driving member 242 of the present utility model may be configured as other pushing structures, which is not limited by the present utility model. In addition, the quick clamp and the jackscrew are conventional technical means in the field, and are not described in detail herein.
Fig. 8 is a schematic structural diagram of a base provided in an embodiment of the present utility model, as shown in fig. 8, the base 1 has a carrier 11, and the carrier 11 is located between two movable plates 22.
In the above embodiment, the stage 11 plays a role of supporting the battery pack 100.
Further, the carrier 11 has a plurality of positioning stoppers 111 thereon, and the plurality of positioning stoppers 111 are arranged at intervals along the circumferential direction of the carrier 11 to position the battery pack 100. That is, the plurality of positioning stoppers 111 are provided around to position the battery pack 100 on the stage 11.
In the present embodiment, the left and right sides of the battery pack 100 are perpendicular to the base 1, each movable plate 22 is also perpendicular to the base 1, and the movable plate 22 is perpendicular to the sliding direction of the sliding rail 244.
The base 1 has a terminal block 12, and each temperature probe 23 is electrically connected to the terminal block 12 via a cable. The base 1 is provided with a probe seat 13, and each current probe 21 is communicated with the probe seat 13 through a cable. The terminal seat and the probe seat 13 are all switching modules, and corresponding switching joints are arranged on the terminal seat and the probe seat, and the signal generator can switch test signals to corresponding temperature probes 23 or current probes 21 through the terminal seat or the probe seat 13 and corresponding cables, so that the test of the battery pack 100 is realized.
The embodiment of the utility model also provides test equipment, which comprises the test device of the battery pack.
It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the utility model and is not intended to limit the utility model, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (10)
1. A testing device of a battery pack, which is characterized by comprising a base and a testing assembly;
the testing assembly comprises two current probes and two movable plates, wherein the two current probes are arranged on one movable plate at intervals so as to respectively test the direct current resistance of the positive electrode and the negative electrode at one side of the battery pack, the two movable plates are arranged at intervals in parallel, each movable plate is provided with a plurality of temperature probes, and each movable plate is slidably arranged on the base so as to respectively drive a plurality of temperature probes to test the temperatures of a plurality of welding spots at two sides of the battery pack.
2. The device for testing a battery pack according to claim 1, wherein the testing assembly further comprises two sliding modules, the two sliding modules and the two movable plates are in one-to-one correspondence, each sliding module comprises a sliding seat, a driving piece and at least one guide rod, each sliding seat is slidably arranged on the base, the driving piece and the guide rod are located on the sliding seat, each movable plate is slidably sleeved on the corresponding guide rod, and the output end of the driving piece abuts against the movable plate to drive the movable plate to slide.
3. The device for testing a battery pack according to claim 2, wherein each sliding module further comprises a sliding rail, the sliding rail is located on the base, the sliding seat is in sliding fit with the sliding rail, and two sides of the sliding rail are provided with limiting blocks for limiting the sliding seat to slide.
4. The testing device of claim 2, wherein the sliding seat is provided with a mounting block, the mounting block is movably inserted with a bolt, the base is provided with a positioning block, and the positioning block is provided with a positioning hole for inserting the bolt.
5. A testing device for a battery pack according to claim 2, wherein the driving member is a quick clamp or a jackscrew.
6. The device for testing a battery pack according to claim 1, wherein the base has a stage thereon, the stage being located between the two movable plates.
7. The device for testing a battery pack according to claim 6, wherein the carrier has a plurality of positioning stoppers thereon, and the plurality of positioning stoppers are arranged at intervals along the circumferential direction of the carrier to position the battery pack.
8. The device for testing a battery pack according to any one of claims 1 to 7, wherein the base has a terminal block, and each of the temperature probes is electrically connected to the terminal block via a cable.
9. The device for testing a battery pack according to any one of claims 1 to 7, wherein the base has probe holders thereon, and each of the current probes is electrically connected to the probe holders by a cable.
10. A testing device, characterized in that it comprises a testing apparatus of a battery pack according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321477459.1U CN220207816U (en) | 2023-06-09 | 2023-06-09 | Testing device and testing equipment for battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321477459.1U CN220207816U (en) | 2023-06-09 | 2023-06-09 | Testing device and testing equipment for battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220207816U true CN220207816U (en) | 2023-12-19 |
Family
ID=89154878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321477459.1U Active CN220207816U (en) | 2023-06-09 | 2023-06-09 | Testing device and testing equipment for battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220207816U (en) |
-
2023
- 2023-06-09 CN CN202321477459.1U patent/CN220207816U/en active Active
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