New energy battery pack detection device
By setting up a detection frame and air pressure detection cylinder on the belt conveyor and using automated equipment to detect the air tightness of the battery pack, the problems of high cost and complex operation of existing air tightness detection instruments are solved, and efficient and low-cost battery pack air tightness detection is achieved.
Patent Information
- Application Number
- CN202422939458.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-11-29
AI Technical Summary
Existing airtightness testing instruments are expensive and complex to operate, increasing the testing cost of battery pack production.
A new energy battery pack testing device was designed, including a testing frame and an air pressure testing cylinder. Automated testing was achieved using a belt conveyor and a limit motor. Air pressure was applied to the battery pack through the air pressure testing cylinder, and air tightness problems were detected through contact pieces and connecting pieces.
The system realizes the automation, high efficiency and accuracy of battery pack air tightness testing, reduces equipment costs and simplifies the operation process.
Smart Images

Figure CN223461162U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of new energy battery package detection, especially a new energy battery package detection device. BACKGROUND
[0002] The new energy battery package is mainly composed of positive electrode material, negative electrode material, electrolyte, diaphragm and battery management system (BMS) etc. In the working process, the battery generates electric energy through chemical reaction, and the electrolyte circulates in the battery and participates in the reaction, thereby realizing the storage and release of electric energy.
[0003] At present, in order to prevent battery package gas leakage, pollutant entry and battery stability, the battery package needs to be subjected to air tightness detection operation in the process of battery package production. The traditional air tightness detector is high in price and complex in operation, and manual intervention is needed in the detection process, thereby increasing the detection cost. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a new energy battery package detection device, and aims at solving the problems of high cost and complex operation of the existing air tightness detector.
[0005] The utility model is realized in this way, a new energy battery package detection device, including detection frame and belt conveyor,
[0006] The detection frame is located above the belt conveyor and is provided with a pressure detection cylinder arranged in a lifting manner, and a plurality of force blocks are arranged above the pressure detection cylinder, and the plurality of force blocks are used to apply air pressure to the battery package through the pressure detection cylinder.
[0007] The two sides of the belt conveyor close to the detection frame are both provided with a limiting motor, and the output shaft of the two limiting motors is connected with a limiting plate.
[0008] Preferably, a winding motor is installed on the side of the detection frame away from the belt conveyor, the output shaft of the winding motor is connected with a winding roller, and the outside of the winding roller is provided with a nylon belt.
[0009] Preferably, the top and one side of the detection frame are both provided with a guide roller, the nylon belt extends to the top of the belt conveyor through the two guide rollers, and the plurality of force blocks are sequentially connected and fixed on the nylon belt.
[0010] Preferably, the side of the detection frame close to the belt conveyor is provided with a guide rail, one side of the plurality of force blocks is provided with a guide groove, and the plurality of force blocks slide on the guide rail through the guide groove.
[0011] Preferably, the bottom of the detection frame is provided with a lifting adjusting motor, the output shaft of the lifting adjusting motor is connected with a guide rod, the outer part of the guide rod is threadedly connected with a lifting mounting seat, and the air pressure detection cylinder is connected and fixed through the lifting mounting seat.
[0012] Preferably, the top of the air pressure detection cylinder is telescopically provided with a pressing rod, the outer part of one end of the pressing rod located in the air pressure detection cylinder is sleeved with a piston, and the other end of the air pressure detection cylinder is provided with a plug.
[0013] The pressing rod is provided with a pressing block at one end located outside the air pressure detection cylinder, and a spring is sleeved outside the pressing rod between the pressing block and the air pressure detection cylinder.
[0014] Preferably, the inner wall of one end of the air pressure detection cylinder close to the plug is provided with a contact piece, and one end of the pressing rod penetrating through the piston is provided with a communication piece corresponding to the contact piece.
[0015] The utility model discloses a kind of new energy battery pack detection devices, and the beneficial effects are: the scheme is provided with detection frame and air pressure detection cylinder above belt conveyor, utilizes winding motor and guide roller to drive force block to the piston of air pressure detection cylinder to apply pressure, and then by piston to the air pressure inside battery pack, when battery pack occurs air pressure leakage, through contact piece and communication piece contact to send air tightness problem instruction, to realize the automatic, efficient and accurate battery pack air tightness detection, simple structure, and without manual operation, equipment cost is greatly reduced. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a kind of new energy battery pack detection device schematic diagram provided by the utility model embodiment;
[0017] Figure 2 It is a kind of new energy battery pack detection device detection frame front view schematic diagram provided by the utility model embodiment;
[0018] Figure 3 It is a kind of new energy battery pack detection device detection frame side view schematic diagram provided by the utility model embodiment;
[0019] Figure 4 It is a kind of new energy battery pack detection device air pressure detection cylinder cross section structure schematic diagram provided by the utility model embodiment.
[0020] MARK DESCRIPTION:
[0021] 1, detection frame;2, belt conveyor;
[0022] 11, winding motor;12, winding roller;13, guide roller;14, nylon belt;15, force block;16, lifting adjusting motor;17, guide rod;18, lifting mounting seat;19, air pressure detection cylinder;
[0023] 151, guide rail;
[0024] 21, limit motor; 22, limit plate;
[0025] 191, pressing rod; 192, piston; 193, pressing block; 194, spring; 195, plug; 196, contact piece; 197, communication piece. DETAILED DESCRIPTION
[0026] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.
[0027] The same or similar reference numerals in the drawings of the embodiments correspond to the same or similar components; in the description of the utility model, it should be understood that if the orientation or position relationship indicated by the terms "upper", "lower", "left", "right" and the like is based on the orientation or position relationship shown in the drawings, it is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, therefore the terms describing the position relationship in the drawings are only used for exemplary description, and cannot be understood as a limitation of the utility model, for ordinary skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.
[0028] The implementation of the utility model will be described in detail in combination with specific examples.
[0029] In the embodiment:
[0030] Referring to Figure 1 The utility model provides a better embodiment.
[0031] The new energy battery pack detection device of the embodiment comprises a detection frame 1 and a belt conveyor 2;
[0032] The detection frame 1 is located directly above the belt conveyor 2 and is provided with a lift setting air pressure detection cylinder 19, and the detection frame 1 is also provided with a plurality of force applying blocks 15 directly above the air pressure detection cylinder 19, and the plurality of force applying blocks 15 are used to apply air pressure to the battery pack through the air pressure detection cylinder 19;
[0033] The belt conveyor 2 is installed with a limit motor 21 on both sides close to the detection frame 1, the output shafts of the two limit motors 21 are connected with a limit plate 22, so that the battery pack conveyed by the belt conveyor 2 can be centrally arranged, and the air tightness detection operation of the battery pack by the air pressure detection cylinder 19 is facilitated.
[0034] Referring to the drawingsFigures 2-3 As shown, the side of the detection frame 1 away from the belt conveyor 2 is provided with a winding motor 11, the output shaft of the winding motor 11 is connected with a winding roller 12, the outside of the winding roller 12 is provided with a nylon belt 14, the top and one side of the detection frame 1 are provided with guide rollers 13, the nylon belt 14 extends to the top of the belt conveyor 2 through the two guide rollers 13, and a plurality of force blocks 15 are sequentially and fixedly connected on the nylon belt 14, the winding motor 11 drives the winding roller 12 to drive the nylon belt 14 to be wound or unwound, and then the guide rollers 13 cooperate to make the plurality of force blocks 15 ascend and descend above the belt conveyor 2.
[0035] Among them, the side of the detection frame 1 close to the belt conveyor 2 is provided with a guide rail 151, one side of the plurality of force blocks 15 is provided with a guide groove, and the plurality of force blocks 15 slide on the guide rail 151 through the guide groove, so as to ensure the stability of the force blocks 15 during ascending and descending, and avoid the force of the force blocks 15 acting on the air pressure detection cylinder 19 being uneven.
[0036] It is worth noting that the winding motor 11 drives the winding roller 12 to continuously release the nylon belt 14, so that the force blocks 15 can act on the pressing block 193 in sequence, and the number of force blocks 15 acting on the pressing block 193 is continuously increased according to the air tightness standard of different battery packs, so as to achieve the function of adjusting and increasing the air pressure.
[0037] In this embodiment, the bottom of the detection frame 1 is provided with a lifting adjusting motor 16, the output shaft of the lifting adjusting motor 16 is connected with a guide rod 17, the outside of the guide rod 17 is threadedly connected with a lifting mounting seat 18, and the air pressure detection cylinder 19 is connected and fixed through the lifting mounting seat 18, the guide rod 17 is driven to rotate through the lifting adjusting motor 16, and then the threadedly connected lifting mounting seat 18 drives the air pressure detection cylinder 19 to ascend and descend, so as to make the air pressure detection cylinder 19 act on the battery pack conveyed by the belt conveyor 2.
[0038] Among them, referring to the attached Figure 4 As shown, the top of the air pressure detection cylinder 19 is telescopically provided with a pressing rod 191, the outside of one end of the pressing rod 191 in the air pressure detection cylinder 19 is sleeved with a piston 192, the other end of the air pressure detection cylinder 19 is provided with a plug 195, the pressing rod 191 is provided with a pressing block 193 at one end outside the air pressure detection cylinder 19, and the spring 194 is sleeved outside the pressing rod 191 between the pressing block 193 and the air pressure detection cylinder 19, when the plug 195 is inserted into the air pressure valve of the battery pack, the air pressure detection cylinder 19 is communicated with the inside of the battery pack, the force blocks 15 are continuously driven to act on the pressing block 193, the piston 192 at the bottom of the pressing rod 191 is driven to move downward in the air pressure detection cylinder 19, the air pressure is applied to the battery pack, so as to detect the air tightness of the battery pack.
[0039] Notable is that the gas pressure detection cylinder 19 is provided with a contact piece 196 on the inner wall of one end close to the plug 195, and the pressure rod 191 is provided with a communication piece 197 corresponding to the contact piece 196 on one end penetrating the piston 192, when the battery pack has a gas leakage due to a gas tightness problem, the internal gas pressure will decrease, and the piston 192 will be pushed to the bottom end of the gas pressure detection cylinder 19, so that the contact piece 196 and the communication piece 197 are in contact, at this time, an instruction is sent to the external terminal, prompting that the battery pack has a gas tightness problem.
[0040] The scheme realizes the automatic, efficient and accurate battery pack gas tightness detection by setting the detection frame 1 and the gas pressure detection cylinder 19 above the belt conveyor 2, driving the force applying block 15 to apply pressure to the piston 192 of the gas pressure detection cylinder 19 by the winding motor 11 and the guide roller 13, and then applying gas pressure to the battery pack by the piston 192, and sending the gas tightness problem instruction by the contact piece 196 and the communication piece 197 when the battery pack has a gas leakage, the structure is simple, manual operation is not needed, and the equipment cost is greatly reduced.
[0041] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A new energy battery pack detection device, characterized in that, Including detection frame and belt conveyor; The detection frame is located above the belt conveyor and is provided with a lift setting air pressure detection cylinder, and a plurality of force blocks are arranged above the air pressure detection cylinder, which are used to apply air pressure to the battery pack through the air pressure detection cylinder; The belt conveyor is provided with a limiting motor on both sides of the detection frame, and the output shaft of the limiting motor is connected with a limiting plate.
2. The new energy battery pack detection device of claim 1, wherein The detection frame is provided with a winding motor on the side away from the belt conveyor, and the output shaft of the winding motor is connected with a winding roller, and the outer part of the winding roller is provided with a nylon belt.
3. The new energy battery pack detection device of claim 2, wherein The top and one side of the detection frame are provided with guide rollers, the nylon belt extends to the upper part of the belt conveyor through the guide rollers, and a plurality of force blocks are sequentially connected and fixed on the nylon belt.
4. The new energy battery pack detection device of claim 1, wherein The side of the detection frame close to the belt conveyor is provided with a guide rail, one side of the plurality of force blocks is provided with a guide groove, and the plurality of force blocks are slid on the guide rail through the guide groove.
5. The new energy battery pack detection device of claim 1, wherein The bottom of the detection frame is provided with a lifting adjusting motor, the output shaft of the lifting adjusting motor is connected with a guide rod, the outer part of the guide rod is threadedly connected with a lifting mounting seat, and the air pressure detection cylinder is connected and fixed through the lifting mounting seat.
6. The new energy battery pack detection device of claim 1, wherein The top of the air pressure detection cylinder is provided with a pressure rod, one end of the pressure rod outside the air pressure detection cylinder is sleeved with a piston, and the other end of the air pressure detection cylinder is provided with a plug; The pressure rod is provided with a pressing block at one end outside the air pressure detection cylinder, and a spring is sleeved outside the pressure rod between the pressing block and the air pressure detection cylinder.
7. A new energy battery pack detection device as claimed in claim 6, characterized in that: The air pressure detection cylinder is provided with a contact piece on the inner wall of one end close to the plug, and one end of the pressure rod penetrating the piston is provided with a communication piece corresponding to the contact piece.