CN220188682U - Multifunctional explosion-proof battery test cabinet - Google Patents
Multifunctional explosion-proof battery test cabinet Download PDFInfo
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- CN220188682U CN220188682U CN202321576392.7U CN202321576392U CN220188682U CN 220188682 U CN220188682 U CN 220188682U CN 202321576392 U CN202321576392 U CN 202321576392U CN 220188682 U CN220188682 U CN 220188682U
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- 238000012360 testing method Methods 0.000 title claims abstract description 128
- 239000004020 conductor Substances 0.000 claims abstract description 9
- 238000005286 illumination Methods 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 239000002341 toxic gas Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
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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 belongs to the technical field of battery testing, in particular to a multifunctional explosion-proof battery testing cabinet, which comprises an explosion-proof cabinet, wherein an electric cavity and a testing cavity which are isolated from each other are arranged in the explosion-proof cabinet; the bottom of the test chamber is provided with a fixed clamp, the test chamber is internally provided with a lighting system and a test assembly, and the side wall of the test chamber is provided with an exhaust system; a power pump is arranged in the electric cavity and is connected with the testing component through a guide pipeline; the test assembly comprises a test head, a replaceable threading needle and a replaceable external short circuit assembly, wherein one of the threading needle and the external short circuit assembly is detachably connected with the test head; the outer short circuit assembly comprises a fixed rod and a conductor brush connected with the fixed rod, wherein the fixed rod is an insulating rod, and the outer diameter of the fixed rod is the same as that of the threading needle. According to the utility model, by arranging the replaceable threading needle and the replaceable external short-circuit component to be detachably connected with the testing head, the needling test and the external short-circuit test of the battery are realized by using the same explosion-proof cabinet, and the dual-function application of the explosion-proof cabinet is realized.
Description
Technical Field
The utility model belongs to the technical field of battery testing, and particularly relates to a multifunctional explosion-proof battery testing cabinet.
Background
The battery is widely applied to the fields of new energy automobiles, electric vehicles, illumination, communication and the like as an energy storage conversion device, and particularly along with the rapid development of the new energy automobiles, the battery is more and more widely applied, and as the battery belongs to a high-density energy storage device, once accidents occur, the use of equipment is affected, and the explosion combustion can be caused when the battery is light, so that the safety performance detection of the battery is a necessary procedure before the battery leaves a factory.
At present, the safety performance test of the power battery mainly comprises detection items such as overcharge, overdischarge, external short circuit and needling. The needling detection can well evaluate the advantages and disadvantages of the power battery in the thermal runaway layer, and has important significance for the safety performance test of the battery; the battery short circuit test is to test the short circuit current in a specific short circuit time by short-circuiting the battery so as to determine the magnitude of the short circuit current which can be born by the battery. In order to ensure the safety of the test, the test needs to be carried out in a test environment with high explosion-proof function.
However, the existing test explosion-proof box is generally separated from overcharge, overdischarge, external short circuit and needling, and needs multiple sets of independent equipment to perform, so that the operation is complex, inconvenient and the occupied space is occupied.
Disclosure of Invention
In order to solve the problems in the background technology, the utility model provides the multifunctional explosion-proof battery testing cabinet, which is detachably connected with a testing head by arranging a replaceable threading needle and an external short circuit component, so that the needling test and the external short circuit test of the battery are realized by adopting the same explosion-proof cabinet, and the dual-function application of the explosion-proof cabinet is realized.
The utility model adopts the following technical scheme:
a multifunctional explosion-proof battery testing cabinet comprises an explosion-proof cabinet, wherein an electrical cavity and a testing cavity which are mutually isolated are arranged in the explosion-proof cabinet, and the testing cavity is positioned above the electrical cavity;
the bottom of the test chamber is provided with a test platform, the test platform is provided with a fixed clamp, the test chamber is internally provided with a lighting system and a test assembly capable of moving up and down, the test assembly is positioned above the fixed clamp, and the side wall of the test chamber is provided with an exhaust system;
the electric cavity is internally provided with a power pump, the power pump is connected with the test assembly through a guide pipeline, and the power pump controls the test assembly to move up and down;
the test assembly comprises a test head, a replaceable puncture needle and a replaceable external short circuit assembly, wherein the puncture needle and the external short circuit assembly are alternatively detachably connected with the test head; the external short circuit component comprises a fixed rod and a conductor brush connected with the fixed rod, wherein the fixed rod is an insulating rod, and the outer diameter of the fixed rod is the same as the outer diameter of the threading needle.
Further, the conductor brushes comprise wires fixed at the lower ends of the fixing rods, and the brushes are respectively arranged at the two ends of the wires.
Further, the lower extreme of dead lever is fixed with the telescopic link, and the wire extends to the other end from the one end of telescopic link along the axis direction, and the wire is elasticity concertina line.
Further, the electrical resistance of the brush is less than 5mΩ.
Further, a space ruler extending up and down is arranged around the test chamber, and scale marks are arranged on the space ruler.
Further, the exhaust system comprises an exhaust fan arranged in the explosion-proof cabinet and an exhaust hole penetrating through the inner wall of the testing chamber.
Further, an observation window is formed in the side wall of the test chamber, and transparent explosion-proof glass is installed on the observation window.
Further, the fixing clamp comprises two clamping blocks and fastening pieces, wherein the two clamping blocks are oppositely arranged, the fastening pieces are arranged on the clamping blocks, the two clamping blocks form a battery clamping cavity, and the two opposite fastening pieces extend into the battery clamping cavity and are abutted to a battery to be tested.
Further, the fastener comprises a clamping plate arranged in the battery clamping space and a fastening bolt connected to the clamping block in a threaded mode.
Compared with the prior art, the utility model has the beneficial effects that:
(1) The multifunctional explosion-proof battery testing cabinet comprises the testing head, the replaceable threading needle and the replaceable external short-circuit assembly, wherein one of the threading needle and the external short-circuit assembly is detachably connected with the testing head, the outer diameter of the fixing rod of the external short-circuit assembly is designed to be the same as the outer diameter of the threading needle, and when the battery short-circuit testing is carried out, the threading needle is only required to be detached to be replaced by the fixing rod, so that the dual-function application of the explosion-proof cabinet is realized, and the utilization rate of the testing cabinet is improved.
(2) The conducting wire connected with the electric brushes in the multifunctional explosion-proof battery test cabinet is an elastic telescopic wire, the elastic telescopic wire can be elastically telescopic according to the telescopic length of the telescopic rod, and further can be telescopic according to the specification and the size of the battery, so that the two electric brushes can be contacted with different batteries, and the external short circuit test of the battery is completed.
(3) According to the fixing clamp of the multifunctional explosion-proof battery testing cabinet, disclosed by the utility model, the batteries with different sizes are clamped through the two adjustable fasteners, so that the utilization rate of the explosion-proof cabinet is further improved.
Drawings
For a clearer description of embodiments of the utility model or of solutions in the prior art, the drawings which are used in the description of the embodiments or of the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from them without inventive effort for a person skilled in the art.
FIG. 1 is a block diagram of a multifunctional explosion-proof battery test cabinet according to the present utility model;
FIG. 2 is a block diagram of a test assembly of the multifunctional explosion-proof battery test cabinet of the present utility model;
FIG. 3 is a block diagram of an external shorting assembly of the multifunctional explosion proof battery testing cabinet of the present utility model;
FIG. 4 is a top view of a fixture of the multifunctional explosion-proof battery testing cabinet of the present utility model;
wherein: the device comprises a 1-explosion-proof cabinet, a 2-electric chamber, a 3-test chamber, a 4-test platform, a 5-fixing clamp, a 51-clamping block, a 52-clamping plate, a 53-fastening bolt, a 6-test assembly, a 61-test head, a 62-threading needle, a 63-external short circuit assembly, a 631-fixing rod, a 632-wire, a 633-electric brush, a 634-telescopic rod, a 7-exhaust system, an 8-power pump, a 9-guide pipeline, a 10-space rule and an 11-observation window.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but 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 fall within the scope of the utility model.
The utility model is discussed in detail below in conjunction with fig. 1-4 and the specific embodiments.
As shown in fig. 1-4, the utility model provides a multifunctional explosion-proof battery testing cabinet, which comprises an explosion-proof cabinet 1, wherein an electric cavity 2 and a testing cavity 2 which are isolated from each other are arranged in the explosion-proof cabinet 1, and the testing cavity 3 is positioned above the electric cavity 2; the bottom of the test chamber 3 is provided with a test platform, the test platform is provided with a fixing clamp 5, the fixing clamp 5 is used for clamping a battery to be tested, the top of the test chamber 3 is provided with an illumination system and a test assembly 6 capable of moving up and down, the illumination system is used for providing illumination for the explosion-proof cabinet, and the test assembly 6 is used for carrying out needling setting or external short circuit test on the battery to be tested; the test assembly 6 is positioned above the fixed clamp 5, the side wall of the test chamber 3 is provided with an exhaust system 7, and if the battery to be tested explodes in the test process, the exhaust system 7 is started to rapidly exhaust toxic gas generated after the battery explodes on fire; the electric chamber 2 is internally provided with a power pump 8, the power pump 8 is connected with the test assembly 6 through a guide pipeline 9, the power pump 8 provides power for pushing the test assembly 6 in the test process, and the test line controls the up-and-down movement (namely the pushing speed and the pushing distance) of the test assembly 6;
the test assembly 6 comprises a test head 61, a replaceable puncture needle 62 and a replaceable external short-circuit assembly 63, wherein the puncture needle 62 and the external short-circuit assembly 63 are alternatively detachably connected with the test head 61; the outer shorting assembly 63 includes a fixing lever 631 and a conductor brush connected to the fixing lever 631, the fixing lever 631 having an outer diameter identical to an outer diameter of the needle 62. When a needling experiment is performed, the puncture needle 62 is arranged on the test head 61 to perform needling test on the battery to be tested; when the battery short-circuit test is performed, the puncture needle 62 is detached from the test head 61 and replaced with the fixing rod 631, and the battery to be tested is short-circuited through the conductor brush at the lower end of the fixing rod 631. The outer diameter of the fixing rod 631 is designed to be consistent with the outer diameter of the threading needle 62, so that the multifunctional use of the explosion-proof cabinet is realized, and the utilization rate of the test cabinet is improved.
Specifically, as shown in fig. 3, the conductor brushes include a wire 632 fixed at the lower end of the fixing rod 631 and brushes 633 respectively disposed at two ends of the wire 632, and the width between the two brushes 633 is slightly larger than the width of the positive and negative lugs of the battery to be tested, and is used for connecting with the positive and negative poles of the battery to be tested.
When the voltage in the external short circuit process of the battery needs to be tested, the electric brush 633 is extended to the outside of the explosion-proof cabinet through the extension lead to be connected with the external voltage display device, so that the voltage change in the external short circuit process can be monitored in real time.
Specifically, the lower extreme of dead lever 631 is fixed with telescopic link 634, and wire 632 extends to the other end by the one end of telescopic link 634 along the axis direction, and wire 632 is the elasticity flexible line, and the elasticity flexible line can stretch out and draw back according to the flexible length of telescopic link, and then can stretch out and draw back according to the specification size of battery, makes two brushes 633 can contact with the positive negative pole of not unidimensional battery, accomplishes the outer short circuit test of battery, has further realized the commonality of outer short circuit subassembly.
Specifically, the resistance of the brush 633 is less than 5mΩ.
Specifically, the fixing rod 632 is an insulating rod, preventing leakage of the apparatus.
Specifically, be provided with the space chi 10 that extends from top to bottom around in the test cavity 3, be provided with the scale mark on the space chi 10, the space chi 10 is used for accurate positioning test head and the relative position of battery that awaits measuring.
Specifically, the exhaust system 7 comprises an exhaust fan arranged in the explosion-proof cabinet and an exhaust hole penetrating through the inner wall of the test chamber 3, and the exhaust fan is used for exhausting smoke generated by needling of the battery or toxic gas generated by explosion of the battery to the outside of the explosion-proof cabinet.
Specifically, an observation window 11 is formed in the side wall of the test chamber 3, transparent explosion-proof glass is installed on the observation window 11, and the change of the battery in the test process can be observed through the observation window 11 at any time.
Specifically, the fixing clamp 5 includes two clamping blocks 51 which are oppositely arranged and a fastening piece which is arranged on the clamping blocks 51, the two clamping blocks 51 form a battery clamping cavity, the two opposite fastening pieces extend into the battery clamping cavity and are abutted on a battery to be tested, and the fastening piece includes a clamping plate 52 which is arranged in a battery clamping space and a fastening bolt 53 which is connected with the clamping blocks 51 in a threaded manner. When the battery test is carried out, the battery to be tested is placed in the battery clamping cavity, and the clamping plates 52 are abutted on the battery to be tested by tightening the fastening bolts 53 on the two clamping blocks 51, so that the battery to be tested is fixed. The clamping plate 52 has a larger moving range in the battery clamping space, so that the batteries with different sizes can be clamped, the suitability of the explosion-proof cabinet to different batteries is improved, and the utilization rate of the explosion-proof cabinet is further improved.
The explosion-proof cabinet has extremely high explosion-proof function, meanwhile, as the puncture needle 62 belongs to consumable materials, the test head 61 has the function of replacing the puncture needle, the outer diameter of the fixing rod 631 is designed to be consistent with the outer diameter of the puncture needle 62, and the power pump 8 provides power to adjust the position of the test assembly, when in test, the test head 61 descends, the electric brush 633 at the head of the conductor electric brush contacts with the anode and the cathode of a battery, the external short circuit test of the battery is completed, and after the test is finished, the fixing rod 631 can be disassembled to be replaced by the puncture needle 62.
The utility model has been further described with reference to specific embodiments, but it should be understood that the detailed description is not to be construed as limiting the spirit and scope of the utility model, but rather as providing those skilled in the art with the benefit of this disclosure with the benefit of their various modifications to the described embodiments.
Claims (9)
1. The multifunctional explosion-proof battery testing cabinet comprises an explosion-proof cabinet and is characterized in that an electrical chamber and a testing chamber which are isolated from each other are arranged in the explosion-proof cabinet, and the testing chamber is positioned above the electrical chamber;
the bottom of the test chamber is provided with a test platform, the test platform is provided with a fixed clamp, the test chamber is internally provided with an illumination system and a test assembly capable of moving up and down, the test assembly is positioned above the fixed clamp, and the side wall of the test chamber is provided with an exhaust system;
a power pump is arranged in the electric cavity and connected with the test assembly through a guide pipeline, and the power pump controls the test assembly to move up and down;
the test assembly comprises a test head, a replaceable threading needle and a replaceable external short circuit assembly, wherein the threading needle and the external short circuit assembly are alternatively detachably connected with the test head, the external short circuit assembly comprises a fixing rod and a conductor brush connected with the fixing rod, the fixing rod is an insulating rod, and the outer diameter of the fixing rod is identical to the outer diameter of the threading needle.
2. The multifunctional explosion-proof battery testing cabinet according to claim 1, wherein the conductor brushes comprise wires fixed at the lower ends of the fixing rods and brushes respectively arranged at the two ends of the wires.
3. The multifunctional explosion-proof battery testing cabinet according to claim 2, wherein the lower end of the fixing rod is fixedly provided with a telescopic rod, the conducting wire extends from one end of the telescopic rod to the other end along the axis direction, and the conducting wire is an elastic telescopic wire.
4. The multifunctional explosion-proof battery test cabinet of claim 2, wherein the electrical resistance of the electrical brush is less than 5mΩ.
5. The multifunctional explosion-proof battery testing cabinet according to claim 1, wherein a space rule extending up and down is arranged around the testing chamber, and scale marks are arranged on the space rule.
6. The multifunctional explosion-proof battery testing cabinet according to claim 1, wherein the exhaust system comprises an exhaust fan arranged inside the explosion-proof cabinet and an exhaust hole penetrating through the inner wall of the testing chamber.
7. The multifunctional explosion-proof battery testing cabinet according to claim 1, wherein an observation window is formed in the side wall of the testing chamber, and transparent explosion-proof glass is installed on the observation window.
8. The multifunctional explosion-proof battery testing cabinet according to claim 1, wherein the fixing clamp comprises two clamping blocks and fastening pieces, the two clamping blocks are oppositely arranged, the fastening pieces are arranged on the clamping blocks, the two clamping blocks form a battery clamping cavity, and the two opposite fastening pieces extend into the battery clamping cavity and are abutted to a battery to be tested.
9. The multifunctional explosion-proof battery testing cabinet according to claim 8, wherein the fastening member comprises a clamping plate arranged in the battery clamping space and a fastening bolt connected to the clamping block in a threaded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321576392.7U CN220188682U (en) | 2023-06-19 | 2023-06-19 | Multifunctional explosion-proof battery test cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321576392.7U CN220188682U (en) | 2023-06-19 | 2023-06-19 | Multifunctional explosion-proof battery test cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220188682U true CN220188682U (en) | 2023-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321576392.7U Active CN220188682U (en) | 2023-06-19 | 2023-06-19 | Multifunctional explosion-proof battery test cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220188682U (en) |
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2023
- 2023-06-19 CN CN202321576392.7U patent/CN220188682U/en active Active
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