Personnel protection device in energy storage battery puncture test
By introducing a transparent protective plate and an energy-absorbing layer into the battery puncture test device to absorb the kinetic energy of shock waves and fragments, and by spraying water through a spray nozzle, the problem of insufficient protection for test personnel in existing devices is solved, and the safety of the test is improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SUZHOU HUAHE TESTING TECHNOLOGY CO LTD
- Filing Date
- 2025-05-12
- Publication Date
- 2026-05-19
AI Technical Summary
Existing battery puncture testing equipment lacks protective structures for test personnel, which can easily lead to safety accidents and poses significant safety hazards.
A battery puncture testing device including a transparent protective plate was designed. The transparent protective plate is moved by an electric push rod to absorb the kinetic energy of the shock wave and debris generated by the explosion. An energy-absorbing layer is set to absorb the kinetic energy of the shock wave and debris. Spray heads are set to spray water to reduce safety hazards.
It effectively protects testers, reduces safety risks, prevents testers from being injured, and improves test safety.
Smart Images

Figure CN224263352U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of battery puncture testing technology, specifically to a personnel protection device for energy storage battery puncture testing. Background Technology
[0002] Battery puncture testing is one of the key tests for evaluating the safety performance of lithium-ion batteries. It simulates the battery's reaction under extreme conditions (such as needle puncture) to detect potential hazards such as leakage, short circuits, explosions, or fires. This test helps assess the battery's safety performance when impacted by a sharp object, providing strong technical support for battery research, development, production, and application. According to testing standards, it determines whether the battery's safety performance is up to standard.
[0003] For example, the announcement number CN219349081U is titled "A Puncture Test Mold for Button Batteries". The device includes an upper pressure plate, a lower pressure plate, a guide post, a limiting block, and a positioning carrier. The lower pressure plate is connected to the lower end of the guide post, and the upper pressure plate is slidably connected to the upper pressure plate at the upper end of the guide post. The positioning carrier is provided in the middle of the lower pressure plate, and the limiting blocks are provided on both sides of the positioning carrier. The positioning slot is provided in the middle of the positioning carrier, and puncture holes are opened on the upper pressure plate.
[0004] The aforementioned devices lack protective structures for test personnel during use, which can easily cause injury and safety accidents during testing, posing significant safety hazards and failing to meet current market demands. Therefore, we propose a personnel protection device for energy storage battery puncture testing to address the aforementioned problems. Utility Model Content
[0005] The purpose of this utility model is to provide a personnel protection device for energy storage battery puncture testing, so as to solve the problem that the existing devices mentioned in the background art lack protective structures for test personnel, which can easily cause injury to test personnel during testing, lead to safety accidents, pose significant safety hazards, and fail to meet the current market demand.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a personnel protection device for puncture testing of energy storage batteries, a support platform, a support leg provided at the lower end of the support platform, the support leg being connected to the support platform by welding, and four sets of support legs provided; a test box provided at the upper end of the support platform, and the test box being fixedly connected to the support platform.
[0007] Also includes:
[0008] A first electric push rod is disposed at the upper part of the test chamber and is fixedly connected to the test chamber. A transparent protective plate is disposed at the lower end of the first electric push rod and is fixedly connected to the first electric push rod. An energy-absorbing layer is disposed inside the test chamber and is fixedly connected to the test chamber. A water tank is disposed at the upper end of the test chamber and is fixedly connected to the test chamber. A spray head is installed inside the test chamber and one end of the spray head is connected to the water tank.
[0009] Preferably, the bottom of the support leg is provided with a base plate, and the base plate is fixedly connected to the support leg; the inner side of the support leg is provided with a crossbeam, and the crossbeam is fixedly connected to the support leg.
[0010] Preferably, a protective door panel is installed on the surface of the test chamber, and the protective door panel is movably connected to the test chamber, and a hinge is installed at the connection between the protective door panel and the test chamber.
[0011] Preferably, the protective door panel is provided with a handle on its surface, and the handle is connected to the protective door panel by welding. The protective door panel is provided with double-layer explosion-proof glass on its surface, and the double-layer explosion-proof glass is fixedly connected to the protective door panel.
[0012] Preferably, a second electric push rod is installed inside the test chamber, and the second electric push rod is fixedly connected to the test chamber. A puncture head is installed at the lower end of the second electric push rod, and the puncture head is fixedly connected to the second electric push rod.
[0013] Preferably, the test chamber has a placement platform inside, and the placement platform is fixedly connected to the test chamber. The test chamber has an exhaust port at its upper end, and the exhaust port is fixedly connected to the test chamber.
[0014] Preferably, a stop button is installed on the surface of the test chamber.
[0015] Compared with the prior art, the beneficial effects of this utility model are:
[0016] This invention incorporates a first electric push rod that moves a transparent protective plate downwards, allowing it to cover the placement platform. This provides protection for test personnel during battery puncture. Furthermore, the inclusion of an energy-absorbing layer absorbs the kinetic energy of shock waves and debris generated by the explosion, effectively protecting test personnel and reducing safety hazards. This invention overcomes the shortcomings of traditional devices that lack protective structures for test personnel, easily causing injury and accidents during testing, thus posing significant safety risks. Attached Figure Description
[0017] Figure 1 This is a perspective view of the overall structure of this utility model;
[0018] Figure 2 This is a schematic diagram of the overall structure of this utility model;
[0019] Figure 3 This is a schematic diagram of the internal structure of the present invention;
[0020] Figure 4 This is a top view of the overall structure of this utility model;
[0021] In the diagram: 1. Support platform; 2. Support leg; 3. Base plate; 4. Crossbeam; 5. Test chamber; 6. Protective door panel; 7. Handle; 8. Hinge; 9. Double-layer explosion-proof glass; 10. Exhaust port; 11. Stop button; 12. Energy-absorbing layer; 13. Water tank; 14. Spray head; 15. Placement platform; 16. First electric push rod; 17. Transparent protective plate; 18. Second electric push rod; 19. Puncture head. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0023] Please see Figure 1-3 The present invention provides an embodiment of a personnel protection device for a puncture test of an energy storage battery, comprising a support platform 1, a support leg 2 at the lower end of the support platform 1, the support leg 2 being connected to the support platform 1 by welding, and four sets of support legs 2 being provided. A test box 5 is provided at the upper end of the support platform 1, and the test box 5 is fixedly connected to the support platform 1.
[0024] Also includes:
[0025] The first electric push rod 16 is located at the upper end inside the test chamber 5 and is fixedly connected to the test chamber 5. A transparent protective plate 17 is provided at the lower end of the first electric push rod 16 and is fixedly connected to the first electric push rod 16. An energy-absorbing layer 12 is provided inside the test chamber 5 and is fixedly connected to the test chamber 5. A water tank 13 is provided at the upper end of the test chamber 5 and is fixedly connected to the test chamber 5. A spray head 14 is installed inside the test chamber 5 and one end of the spray head 14 is connected to the water tank 13.
[0026] During the battery puncture test, the first electric push rod 16 is remotely activated, which causes the first electric push rod 16 to move the transparent protective plate 17 connected to it downward, thereby covering the placement platform 15. When necessary, the spray head 14 is turned on, so that water in the water tank 13 can be drawn and sprayed out.
[0027] Please see Figure 1 The bottom of the support leg 2 is provided with a base plate 3, and the base plate 3 is fixedly connected to the support leg 2. The inner side of the support leg 2 is provided with a crossbeam 4, and the crossbeam 4 is fixedly connected to the support leg 2. When this product is in use, the crossbeam 4 can evenly distribute the force to various parts of the equipment, avoiding local overload. This balanced force distribution ensures the stability of the equipment structure and can effectively prevent the equipment from being damaged due to concentrated load.
[0028] Please see Figure 2 The test chamber 5 is equipped with a protective door panel 6, which is movably connected to the test chamber 5. A hinge 8 is installed at the connection between the protective door panel 6 and the test chamber 5. A handle 7 is provided on the surface of the protective door panel 6, and the handle 7 is connected to the protective door panel 6 by welding. The surface of the protective door panel 6 is provided with double-layer explosion-proof glass 9, which is fixedly connected to the protective door panel 6. When this product is in use, the double-layer explosion-proof glass 9 can increase the external protection effect and enhance safety.
[0029] Please see Figure 3 The test chamber 5 is equipped with a second electric push rod 18, which is fixedly connected to the test chamber 5. A puncture head 19 is installed at the lower end of the second electric push rod 18, and the puncture head 19 is fixedly connected to the second electric push rod 18. The test chamber 5 is equipped with a placement platform 15, which is fixedly connected to the test chamber 5. The test chamber 5 is equipped with an exhaust port 10 at the upper end, which is fixedly connected to the test chamber 5. When this product is in use, the second electric push rod 18 is remotely activated, which causes the second electric push rod 18 to move the puncture head 19 connected to it, thereby performing a puncture test on the battery.
[0030] Please see Figure 1 The test chamber 5 is equipped with a stop button 11. When this product is in use, pressing the stop button 11 can stop the test in case of an accident.
[0031] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
Claims
1. A personnel protection device for puncture testing of an energy storage battery, comprising a support platform (1), wherein a support leg (2) is provided at the lower end of the support platform (1), and the support leg (2) is connected to the support platform (1) by welding, and the support leg (2) is provided in four sets, and a test box (5) is provided at the upper end of the support platform (1), and the test box (5) is fixedly connected to the support platform (1); Its features are: Also includes: The first electric push rod (16) is located at the upper end inside the test box (5) and is fixedly connected to the test box (5). A transparent protective plate (17) is provided at the lower end of the first electric push rod (16) and is fixedly connected to the first electric push rod (16). An energy-absorbing layer (12) is provided inside the test box (5) and is fixedly connected to the test box (5). A water tank (13) is provided at the upper end of the test box (5) and is fixedly connected to the test box (5). A spray head (14) is installed inside the test box (5) and one end of the spray head (14) is connected to the water tank (13).
2. The personnel protection device for a puncture test of an energy storage battery according to claim 1, characterized in that: The bottom of the support leg (2) is provided with a base plate (3), and the base plate (3) is fixedly connected to the support leg (2). The inner side of the support leg (2) is provided with a crossbeam (4), and the crossbeam (4) is fixedly connected to the support leg (2).
3. The personnel protection device for a puncture test of an energy storage battery according to claim 1, characterized in that: The test box (5) is equipped with a protective door panel (6), and the protective door panel (6) is movably connected to the test box (5), and a hinge (8) is installed at the connection between the protective door panel (6) and the test box (5).
4. The personnel protection device for a puncture test of an energy storage battery according to claim 3, characterized in that: The protective door panel (6) is provided with a handle (7), and the handle (7) is connected to the protective door panel (6) by welding. The protective door panel (6) is provided with double-layer explosion-proof glass (9), and the double-layer explosion-proof glass (9) is fixedly connected to the protective door panel (6).
5. The personnel protection device for a puncture test of an energy storage battery according to claim 1, characterized in that: The test box (5) is equipped with a second electric push rod (18), and the second electric push rod (18) is fixedly connected to the test box (5). A puncture head (19) is installed at the lower end of the second electric push rod (18), and the puncture head (19) is fixedly connected to the second electric push rod (18).
6. The personnel protection device for a puncture test of an energy storage battery according to claim 1, characterized in that: The test box (5) is provided with a placement platform (15) inside, and the placement platform (15) is fixedly connected to the test box (5). The test box (5) is provided with an exhaust port (10) at the upper end, and the exhaust port (10) is fixedly connected to the test box (5).
7. The personnel protection device for a puncture test of an energy storage battery according to claim 1, characterized in that: The test box (5) has a stop button (11) installed on its surface.