A safety detection device for new energy batteries
By designing a new energy battery detection device including an electromagnet locking part, an armature discus and a distilled water container, the problem of black smoke generated by ignition in the puncture experiment was solved, and the effect of quickly suppressing the fire and safely treating the smoke was achieved.
Patent Information
- Application Number
- CN202420993868.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-09
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-05-09
AI Technical Summary
In puncture experiments, new energy batteries are prone to generate a large amount of black smoke due to fire, which affects the operator's vision and safe operation.
A safety detection device for new energy batteries is designed, including a detection box, an electromagnetic locking part, an armature discus, an electric push rod, a smoke detector and a distilled water container. When the battery smokes, the smoke detector triggers power outage, the armature discus loses magnetic absorption, and the battery quickly drops into distilled water to isolate oxygen to suppress the fire.
It effectively suppresses battery combustion, improves the safety of the experiment, and treats the flue gas through the filter box and smoke exhaust port, reducing the impact on the experimental environment.
Smart Images
Figure CN222719681U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of safety detection devices for batteries, in particular to a safety detection device for new energy batteries. Background Art
[0002] New energy batteries need to undergo various experiments in production design to verify their safety performance. One of the experiments is conducted in the laboratory. Since a large amount of black smoke will affect the operator's vision and thus affect their safe operation after the battery catches fire, our unit has proposed a detection device with better safety performance. Utility Model Content
[0003] The technical problem to be solved by the utility model is: in order to overcome the above problems, a safety detection device for a new energy battery is provided, which solves the above problems.
[0004] The utility model solves the technical problem by adopting the following technical solutions:
[0005] A safety detection device for new energy batteries comprises a detection box lower body and a detection cover hinged on the detection box lower body. The detection cover can be turned over to cover the detection box lower body. The detection cover is opened to facilitate the placement of the battery into the detection box lower body for detection. The side walls of the detection box lower body are provided with a plurality of electromagnet locking parts at intervals. An armature disc is rotatably arranged in the electromagnet locking part. When the locking part is energized, magnetism is generated to magnetically fix the armature disc and restrict the posture of the armature disc. The armature disc has a right-angle support port for carrying the battery. A device with a clamp at one end is fixed on the detection cover. The electric push rod of the puncture needle, after the electric push rod is actuated, the puncture needle is inserted into the battery to detect its safety performance, and a smoke detector is fixedly provided on the top wall of the detection cover, and the smoke detector is connected to the PLC controller. The electromagnet locking part is controlled by the PLC controller. When the smoke detector senses smoke, the threshold of the PLC controller is triggered to cut off the power of the electromagnet locking part. Under the action of weight, the armature disk rotates to make the battery instantly fall into the lower body of the detection box filled with distilled water, and the distilled water quickly isolates oxygen to effectively suppress battery combustion.
[0006] Preferably, in order to improve the stable bearing capacity of the battery and reduce the degree of bending deformation during the puncture test, the present application also provides an aluminum alloy bearing mesh with a hollow mesh, which is non-conductive and mounted on the armature disk to support the battery so that the lower end surface of the battery has a flat and complete supporting surface.
[0007] Preferably, in order to reduce the impact of smoke on the experimental environment and facilitate the development of subsequent experiments, a smoke exhaust port running through the upper and lower parts is provided on the detection cover, and a filter box with a replaceable filter element embedded inside is provided on the lower body of the detection box. The filter box and the smoke exhaust port are connected by a corrugated hose, and an exhaust fan is fixedly provided at the exhaust port of the filter box. After the exhaust fan draws air, the smoke from the battery is sucked into the filter box and filtered, which effectively reduces the spread of toxic and harmful black gas.
[0008] Preferably, a rubber sheet is glued and fixed to the part where the lower end surface of the detection cover and the upper end surface of the lower body of the detection box are in contact with each other, so that an effective sealing effect can be achieved when the detection cover is turned over and covered.
[0009] Preferably, in order to facilitate the discharge of used distilled water, a through drain port is provided on the lower end surface of the lower body of the detection box, and a drain valve connected to the drain port is fixedly provided on the lower end surface of the lower body of the detection box.
[0010] Preferably, an aluminum alloy filter is welded and fixedly provided at the upper end of the drain outlet, and the aluminum alloy filter is non-conductive.
[0011] Preferably, a plurality of openings are provided at intervals on the detection cover and double-layer angled glass windows are provided at the openings for conveniently observing the safety performance of the battery after being punctured.
[0012] Preferably, a ceramic pad is fixed on the armature disc by screws, and the ceramic pad is used to support the aluminum alloy support mesh plate. The ceramic pad has better wear resistance and is non-conductive and safer.
[0013] The advantages and positive effects of the utility model are: open the detection cover, energize the electromagnet locking part so that the armature disc is in a load-bearing state, set the aluminum alloy load-bearing mesh plate on the armature disc, and then install the battery on the aluminum alloy load-bearing mesh plate, then close the detection cover, evacuate the personnel to a safe place, remotely control the electric push rod for puncture, after the puncture steel needle pierces the battery, if the battery smokes and catches fire, the ejected smoke will quickly trigger the smoke detector, and the smoke detector controls the lower body of the detection box to cut off the power through the PLC, and the armature disc rotates under the weight after losing the magnetic attraction, so that the aluminum alloy load-bearing mesh plate and the battery quickly fall and are completely soaked in distilled water, and the fire is quickly suppressed by isolating oxygen, and the smoke generated is transmitted to the filter box through the corrugated hose and filtered to achieve safe treatment, and the whole process can be observed through the double-layer angled glass window. The device has high safety performance, and autonomous detection and reaction have faster safety response functions. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments.
[0015] Figure 1 It is a structural schematic diagram of the utility model;
[0016] Figure 2 It is a structural schematic diagram of the utility model;
[0017] Figure 3 This is a schematic diagram of the structure of the utility model without the detection cover;
[0018] Figure 4 yes Figure 3 The structural diagram omitting the aluminum alloy bearing mesh plate;
[0019] Figure 5 yes Figure 4 Schematic diagram of the cross-section structure;
[0020] Figure 6 It is a schematic diagram of the internal structure of the utility model.
[0021] The marks in the attached drawings are described as follows: 10. Detection cover; 11. Electric push rod; 12. Smoke exhaust port; 13. Double-layer angled glass window; 14. Lower body of the detection box; 15. Electromagnetic locking part; 16. Filter box; 17. Exhaust fan; 18. Drain valve; 19. Aluminum alloy load-bearing mesh plate; 20. Battery; 21. Smoke detector; 22. Distilled water; 23. Puncture needle; 24. Armature cake; 25. Aluminum alloy filter; 26. Ceramic pad. DETAILED DESCRIPTION
[0022] Now, the utility model is further described in detail in conjunction with the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, so they only show the components related to the utility model. The following is a further detailed description of the embodiments of the utility model in conjunction with the accompanying drawings:
[0023] like Figure 1-6As shown, a safety detection device for new energy batteries described in the utility model comprises a detection box lower body 14 and a detection cover 10 hinged on the detection box lower body 14. The detection cover 10 can be turned over to cover the detection box lower body 14. The detection cover 10 is opened to facilitate the placement of the battery into the detection box lower body 14 for detection. The side walls of the detection box lower body 14 are provided with a plurality of electromagnet locking parts 15 at intervals. An armature disc 24 is rotatably arranged in the electromagnet locking part 15. When the locking part 15 is energized, magnetism is generated to magnetically fix the armature disc 24 to restrict the posture of the armature disc 24. The armature disc 24 has a right-angle supporting opening for carrying the battery 20. A An electric push rod 11 with a puncture needle 23 at one end, after the electric push rod 11 is actuated, the puncture needle 23 is inserted into the battery 20 to detect its safety performance, and a smoke detector 21 is fixedly provided on the top wall of the detection cover 10, the smoke detector 21 is connected to the PLC controller, and the electromagnet locking part 15 is controlled by the PLC controller. When the smoke detector 21 senses smoke, the PLC controller threshold is triggered to cut off the power of the electromagnet locking part 15, and the armature disc 24 rotates under the action of weight to make the battery 20 instantly fall into the lower body 14 of the detection box filled with distilled water 22, and the distilled water 22 quickly isolates oxygen and effectively suppresses battery combustion.
[0024] Preferably, in order to improve the stable bearing capacity of the battery 20 and reduce the degree of bending deformation thereof during the puncture test, the present application is also provided with an aluminum alloy bearing mesh plate 19 with a hollow mesh, wherein the aluminum alloy bearing mesh plate 19 is non-conductive and is mounted on the armature disc 24, and is used to carry the battery 20, so that the lower end surface of the battery 20 has a flat and complete supporting surface.
[0025] Preferably, in order to reduce the impact of smoke on the experimental environment and facilitate the development of subsequent experiments, a smoke exhaust port 12 running through the upper and lower parts is provided on the detection cover 10, and a filter box 16 with a replaceable filter element embedded inside is provided on the lower body 14 of the detection box. The filter box 16 and the smoke exhaust port 12 are connected by a corrugated hose, and an exhaust fan 17 is fixedly provided at the exhaust port of the filter box 16. After the exhaust fan 17 draws air, the smoke of the battery is sucked into the filter box 16 and filtered, thereby effectively reducing the spread of toxic and harmful black gas.
[0026] Preferably, a rubber sheet is glued and fixed to the part where the lower end surface of the detection cover 10 and the upper end surface of the detection box lower body 14 are in contact with each other, so that an effective sealing effect can be achieved when the detection cover 10 is turned over and covered.
[0027] Preferably, in order to conveniently discharge the used distilled water, a through drain port is provided on the lower end surface of the detection box lower body 14 , and a drain valve 18 connected to the drain port is fixedly provided on the lower end surface of the detection box lower body 14 .
[0028] Preferably, an aluminum alloy filter screen 25 is welded and fixedly provided at the upper end of the drain outlet, and the aluminum alloy filter screen 25 is non-conductive.
[0029] Preferably, a plurality of openings are provided at intervals on the detection cover 10 and double-layer angled glass windows 13 are provided at the openings for conveniently observing the safety performance of the battery after being punctured.
[0030] Preferably, a ceramic pad 26 is fixed on the armature disc 24 by screws. The ceramic pad 26 is used to support the aluminum alloy support mesh plate 19. The ceramic pad 26 has better wear resistance and is non-conductive and safer.
[0031] In the specific implementation, the detection cover 10 is opened, the electromagnet locking part 15 is energized to make the armature disc 24 in a load-bearing state, the aluminum alloy load-bearing mesh plate 19 is erected on the armature disc 24, and then the battery 20 is installed on the aluminum alloy load-bearing mesh plate 19, and then the detection cover 10 is closed, and the personnel are evacuated to a safe place, and the electric push rod 11 is remotely controlled to puncture. After the puncture steel needle 23 pierces the battery 20, if the battery smokes and catches fire, the ejected smoke will quickly trigger the smoke detector 21, and the smoke detector The detector 21 controls the lower body 14 of the detection box to cut off the power through the PLC. The armature disc 24 loses its magnetic attraction and rotates under the action of weight, so that the aluminum alloy load-bearing mesh plate 19 and the battery 20 fall quickly and are completely immersed in the distilled water 22, and the fire is quickly suppressed by isolating oxygen. In addition, the smoke generated is transmitted to the filter box 16 through the corrugated hose and filtered for safe treatment. The whole process can be observed through the double-layer angled glass window 13. The device has high safety performance, autonomous detection and reaction, and has a faster safety response function.
[0032] It should be emphasized that the embodiments described in the present invention are illustrative rather than restrictive. Therefore, the present invention is not limited to the embodiments described in the specific implementation manner. Any other implementation manners derived by those skilled in the art based on the technical solution of the present invention also fall within the scope of protection of the present invention.
Claims
1. A safety detection device for new energy batteries, characterized in that: The invention comprises a detection box lower body (14) and a detection cover (10) hinged on the detection box lower body (14); the detection cover (10) can be turned over to cover the detection box lower body (14); the detection cover (10) is opened to facilitate placing the battery into the detection box lower body (14) for detection; a plurality of electromagnet locking parts (15) are arranged at intervals on the side walls of the detection box lower body (14); an armature disc (24) is rotatably arranged in the electromagnet locking part (15); when the locking part (15) is energized, magnetism is generated to magnetically fix the armature disc (24) to restrict the posture of the armature disc (24); the armature disc (24) has a right-angle support opening for carrying the battery (20); a puncture steel needle (24) with a puncture needle (24) at one end is fixedly arranged on the detection cover (10); 3) of the electric push rod (11), the electric push rod (11) is actuated to pierce the puncture steel needle (23) into the battery (20) to detect its safety performance, and a smoke detector (21) is fixedly provided on the top wall of the detection cover (10), the smoke detector (21) is connected to the PLC controller, and the electromagnet locking part (15) is controlled by the PLC controller. When the smoke detector (21) senses smoke, the threshold of the PLC controller is triggered to cut off the power of the electromagnet locking part (15), and the armature disc (24) rotates under the action of weight to make the battery (20) instantly fall into the lower body (14) of the detection box filled with distilled water (22), and the distilled water (22) quickly isolates oxygen to effectively inhibit the battery from burning.
2. A safety detection device for new energy batteries according to claim 1, characterized in that: In order to improve the stable bearing capacity of the battery (20) and reduce the degree of bending deformation thereof during the puncture test, the present application further provides an aluminum alloy bearing mesh plate (19) with a hollow mesh, wherein the aluminum alloy bearing mesh plate (19) is non-conductive and is mounted on the armature disc (24) and is used to bear the battery (20), so that the lower end surface of the battery (20) has a flat and complete bearing surface.
3. A safety detection device for new energy batteries according to claim 2, characterized in that: In order to reduce the impact of smoke on the experimental environment and facilitate the development of subsequent experiments, a smoke exhaust port (12) is provided on the detection cover (10) and runs through it from top to bottom. A filter box (16) with a replaceable filter element embedded inside is provided on the lower body (14) of the detection box. The filter box (16) and the smoke exhaust port (12) are connected by a corrugated hose. An exhaust fan (17) is fixedly provided at the exhaust port of the filter box (16). After the exhaust fan (17) exhausts air, the smoke of the battery is sucked into the filter box (16) and filtered, thereby effectively reducing the spread of toxic and harmful black gas.
4. A safety detection device for new energy batteries according to claim 3, characterized in that: A rubber sheet is glued and fixed to the portion where the lower end surface of the detection cover (10) and the upper end surface of the detection box lower body (14) are in contact with each other, so that an effective sealing effect can be achieved when the detection cover (10) is turned over and covered.
5. A safety detection device for new energy batteries according to claim 4, characterized in that: In order to facilitate the discharge of used distilled water, a through drain port is provided on the lower end surface of the detection box lower body (14), and a drain valve (18) connected to the drain port is fixedly provided on the lower end surface of the detection box lower body (14).
6. A safety detection device for new energy batteries according to claim 5, characterized in that: An aluminum alloy filter screen (25) is welded and fixedly provided at the upper end of the drain outlet, and the aluminum alloy filter screen (25) is non-conductive.
7. A safety detection device for new energy batteries according to claim 1 or 2 or 3 or 4 or 5 or 6, characterized in that: A plurality of openings are provided at intervals on the detection cover (10), and a double-layer angled glass window (13) is provided at the openings for conveniently observing the safety performance of the battery after being punctured.
8. A safety detection device for new energy batteries according to claim 7, characterized in that: A ceramic pad (26) is fixed on the armature disc (24) by means of screws. The ceramic pad (26) is used to support the aluminum alloy support mesh plate (19). The ceramic pad (26) has better wear resistance and is non-conductive, making it safer.