CN221404630U

CN221404630U - Air battery external packing material tightness detection device

Info

Publication number: CN221404630U
Application number: CN202323424397.0U
Authority: CN
Inventors: 宋永江; 贺浩; 刘雅惠; 王小燕
Original assignee: CHANGZHOU YOUTEKE NEW ENERGY TECHNOLOGY CO LTD
Current assignee: CHANGZHOU YOUTEKE NEW ENERGY TECHNOLOGY CO LTD
Priority date: 2023-12-15
Filing date: 2023-12-15
Publication date: 2024-07-23
Anticipated expiration: 2033-12-15

Abstract

The utility model relates to a detection device, which belongs to the technical field of battery detection, in particular to an air battery outer packing material tightness detection device, comprising a base table, wherein the upper surface of the base table is fixedly connected with a placing table, a sealing cavity cover is arranged on the placing table, a fixing component is arranged on the placing table, the upper surface of the base table is fixedly connected with vacuum equipment, and the vacuum equipment is communicated with the inside of the sealing cavity cover through a pipeline; the utility model achieves the function of detecting the air tightness of the battery without connecting the battery with a detection instrument, has the effect of more convenient use, and solves the problems that the prior battery tightness detection device is required to fix the air tap with the battery during use, but battery packs with different specifications are always sent for detection during detection, so that the corresponding positions of the air tap and the battery are not well connected and fixed, and the use is greatly plagued and the applicability is not high.

Description

Air battery external packing material tightness detection device

Technical Field

The utility model relates to the technical field of battery detection, in particular to a device for detecting tightness of an air battery outer packaging material.

Background

An air cell is one of chemical cells and is similar to a dry cell in construction principle, except that its oxidant is taken from oxygen in the air, i.e., it is in contact with the air to initiate a conversion discharge reaction of electrical energy; in general, the battery is put into use in the form of a battery pack, and before the battery is put into use, it is also necessary to perform seal detection of the exterior package in order to ensure safety.

Among the prior art, as the chinese patent publication No. CN216207325U discloses a battery gas tightness detection device, including the bed frame, fixed establishment, airtight detection module and displacement mechanism, the bed frame is provided with the test station that can place the battery, fixed establishment sets up on the bed frame in order to be used for being fixed in the test station with the battery, airtight detection module is connected with the air cock through the trachea, airtight detection module is used for detecting the airtight performance of battery, displacement mechanism sets up on the bed frame, the air cock setting is on displacement mechanism, displacement mechanism can drive the air cock be close to or keep away from the battery, the battery is fixed by fixed establishment, battery and air cock are difficult for taking place the skew, airtight detection module can detect battery gas tightness more accurately, this design uses manpower sparingly, improve detection efficiency and detection precision.

However, the air tap and the battery must be fixed during use, but during detection, battery packs of different specifications are often inspected, so that the corresponding positions of the air tap and the battery are not well connected and fixed, and the air tap and the battery are difficult to use, so that the air tap outer packaging material tightness detection device is provided to solve the problems.

Disclosure of utility model

In order to solve the technical problems, the utility model provides the air battery outer packaging material tightness detection device, which can achieve the function of detecting the air tightness of the battery without connecting the battery with a detection instrument, and is more convenient to use.

The technical solution for realizing the purpose of the utility model is as follows: the utility model provides an air battery external packing material leakproofness detection device, includes the base frame, the upper surface fixedly connected with of base frame places the platform, place and be provided with sealed chamber lid on the platform, place and be provided with fixed subassembly on the platform, the upper surface fixedly connected with vacuum equipment of base frame, vacuum equipment passes through pipeline and the inside intercommunication of sealed chamber lid.

In some embodiments, the upper surface of the base table is fixedly connected with a lifting frame, the upper surface of the lifting frame is provided with a hydraulic cylinder, and the output end of the hydraulic cylinder penetrates through the lower surface of the lifting frame and is fixedly connected with the upper surface of the sealing cavity cover.

In some embodiments, sliding blocks are fixedly connected to two sides of the sealing cavity cover, stabilizing columns with the number equal to that of the sliding blocks are fixedly connected to the upper surface of the base table, and the sliding blocks are slidably connected with the surfaces of the stabilizing columns.

In some embodiments, the inner bottom wall of the placing table is provided with a plugging groove, the inner bottom wall of the plugging groove is provided with a rubber sealing ring, the sealing cavity cover is positioned in the plugging groove, the sealing cavity cover is provided with a pressure gauge, and the detection end of the pressure gauge is positioned in the inner cavity of the sealing cavity cover.

In some embodiments, the fixing assembly comprises a fixing box fixedly connected with the upper surface of the placing table, a fixing block is fixedly connected to the inner wall of the fixing box, and a bidirectional threaded screw rod is rotatably connected to the inner wall of the fixing block.

In some embodiments, one end of the fixing box is rotatably connected with a fixing button, and the fixing button is coaxially fixed with the bidirectional threaded screw rod.

In some embodiments, the fixing assembly further comprises two fixing plates, the two fixing plates are in threaded connection with the two-way threaded screw rod, an empty groove is formed in the upper surface of the base table, a polish rod is fixedly connected to the inner wall of the empty groove, and the two fixing plates are in sliding connection with the polish rod.

Compared with the prior art, the utility model, its apparent advantage is:

The method comprises the following steps: according to the utility model, the sealing cavity cover, the placing table and the vacuum equipment are arranged, so that a constant pressure environment can be formed in the sealing cavity cover and the placing table under the driving of the vacuum equipment, and the detection result can be obtained quickly through the reading of the pressure gauge monitored in real time, the detection process is not required to strictly connect a battery with the detection device, the operation is simpler, and the use is more convenient;

And two,: according to the utility model, the fixing assembly is arranged, the fixing button is rotated, the bidirectional threaded screw rod is rotated by the fixing button, the two fixing plates are mutually close by the bidirectional threaded screw rod, the battery can be fixed, unnecessary movement caused by air pressure change is prevented, the battery detection device can be also adapted to detection work of more batteries with different specifications, and the practicability is further enhanced.

The battery tightness detection device solves the problems that the prior battery tightness detection device is required to fix the air tap and the battery when in use, but when in detection, battery packs with different specifications are inspected, so that the corresponding positions of the air tap and the battery are not good to connect and fix, and the use is greatly plagued.

Drawings

The utility model is further explained below with reference to the drawings and examples:

FIG. 1 is a schematic diagram of a front view of an embodiment of the present utility model;

FIG. 2 is a schematic view of the internal (explosive) structure of a placing table provided in one embodiment of the present utility model;

Fig. 3 is a schematic view of the structure of a fixing assembly (a placing table is cut away) provided in an embodiment of the present utility model.

Reference numerals illustrate:

1. A base table; 2. a placement table; 3. sealing the cavity cover; 4. a fixing assembly; 401. a fixed box; 402. a fixed block; 403. a two-way threaded screw rod; 404. a fixed button; 405. a fixing plate; 406. a polish rod; 5. a vacuum device; 6. a lifting frame; 7. a hydraulic cylinder; 8. a sliding block; 9. a stabilizing column; 10. a rubber seal ring; 11. a pressure gauge.

Detailed Description

The following detailed description of the present utility model clearly and fully describes the technical solutions of the embodiments of the present utility model, and it is apparent that the described embodiments 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 be within the scope of the utility model.

The utility model provides an air battery outer packing material tightness detection device through improvement, which comprises the following technical scheme:

As shown in fig. 1-2, an air battery external packing material tightness detection device comprises a base table 1, a placing table 2 is fixedly connected to the upper surface of the base table 1, the placing table 2 and the base table 1 are fixed by bolts, a sealing cavity cover 3 is arranged on the placing table 2, the sealing cavity cover 3 is integrally formed by adopting transparent acrylic materials, when the transparent acrylic materials are subjected to ventilation or deflation detection, obvious changes of battery external packing can be seen, for example, abnormal deformation and other phenomena when the air external packing is injected with air are facilitated, people can judge battery packing conditions, a fixing component 4 is arranged on the placing table 2, a vacuum device 5 is fixedly connected to the upper surface of the base table 1, the vacuum device 5 is widely used for detecting air tightness by utilizing air pressure difference in the prior art, so that details are omitted, the vacuum device 5 is communicated with the inside of the sealing cavity cover 3 through a pipeline, and in order to ensure the air tightness of the device, the joint of the sealing cavity cover 3 supported by the pipeline and the acrylic materials is formed in an integrally forming manner, and a leakage prevention valve is also arranged at the joint of the vacuum device 5 and the pipeline.

The inner bottom wall of the placing table 2 is provided with a plug groove, the inner bottom wall of the plug groove is provided with a rubber sealing ring 10, the sealing cavity cover 3 is positioned in the plug groove, when being pressed down by the hydraulic cylinder 7, the sealing cavity cover 3 can enter the plug groove and squeeze the rubber sealing ring 10, after the rubber sealing ring 10 is deformed, the gap between the sealing cavity cover 3 and the plug groove is further reduced, so that the situation that air leakage cannot occur between the sealing cavity cover 3 and the placing table 2 is ensured, the air tightness in the sealing cavity cover 3 is ensured, and the detection error is reduced; the sealing cavity cover 3 is provided with a pressure gauge 11, and the detection end of the pressure gauge 11 is positioned in the inner cavity of the sealing cavity cover 3.

The upper surface fixedly connected with crane 6 of base frame 1, crane 6 is the L type to the bottom of crane 6 adopts welding method to fix with base frame 1, and the upper surface of crane 6 is provided with pneumatic cylinder 7, and pneumatic cylinder 7 adopts the bolt fastening with crane 6, and the output of pneumatic cylinder 7 runs through the lower surface of crane 6 and with the upper surface fixed connection of sealed chamber lid 3, pneumatic cylinder 7 and the upper surface of sealed chamber lid 3 through corresponding anchor clamps fixed can, when using, need ensure that pneumatic cylinder 7 can provide sufficient pressure for sealed chamber lid 3 is impressed in the jack groove, can press rubber seal 10 to the deformation degree, and both are guaranteeing not to damage sealed chamber lid 3 holistic circumstances.

The both sides of sealed chamber lid 3 are all fixedly connected with sliding block 8, but sliding block 8 and sealed chamber lid 3 integrated into one piece, but the upper surface fixedly connected with of base table 1 is with the corresponding stable post 9 of sliding block 8 figure, sliding block 8 and the surface sliding connection of stable post 9, and stable post 9's setting is in order to ensure the in-process that reciprocates sealed chamber lid 3, can keep sealed chamber lid 3's atress even, and the position of impressing the spliced groove is not inclined, does not cause the gas leakage space, further guarantees the gas tightness in the whole sealed chamber lid 3, does not take place the skew and influence sealed effect.

As shown in fig. 3, in an embodiment, the fixing assembly 4 includes a fixing box 401 fixedly connected to the upper surface of the placement table 2, the fixing box 401 is welded and fixed to the placement table 2, a fixing block 402 is fixedly connected to an inner wall of the fixing box 401, the fixing block 402 is fixed to the fixing box 401 through a bolt, a hole is formed in the fixing block 402 in a penetrating manner, and a bidirectional threaded screw 403 is rotatably connected to an inner wall of the fixing block 402.

One end of the fixing box 401 is rotatably connected with a fixing button 404, and the fixing button 404 is coaxially fixed with the bidirectional threaded screw 403.

The fixed subassembly 4 still includes two fixed plates 405, two fixed plates 405 all are mutually spiro union with two-way screw thread lead screw 403, two fixed plates 405 all adopt soft rubber material to guarantee under the circumstances of fixed battery, do not lead to the fact the deformation injury to the battery, simultaneously, two fixed plates 405 regard the central line of fixed block 402 as the axle, equidistance distributes in the both sides of fixed block 402, the upper surface of base table 1 has seted up the empty slot, the inner wall fixedly connected with polished rod 406 in empty slot, two fixed plates 405 all with polished rod 406 sliding connection.

The specific working method is as follows: when the air battery outer packing material tightness detection device performs air tightness detection, a user firstly places a battery pack to be detected on the placement table 2 (between two fixing plates 405), then rotates the fixing button 404, the fixing button 404 enables the bidirectional screw rod 403 to rotate, the bidirectional screw rod 403 rotates to enable the two fixing plates 405 to be close to each other and form stable clamping on a battery, then starts the hydraulic cylinder 7, the hydraulic cylinder 7 drives the sealing cavity cover 3 to downwards and completely insert the sealing cavity cover into the placement table 2, then starts the vacuum equipment 5, injects quantitative inert gas into a cavity between the sealing cavity cover 3 and the placement table 2 through a pipeline, observes the reading of the pressure gauge 11, then stands for a period of time, observes the reading of the pressure gauge 11 again, if the reading of the pressure gauge 11 becomes small, then indicates that a part of inert gas runs into the battery pack, the air tightness state of the battery pack can be reflected, after conclusion is obtained, the inert gas is pumped back by the vacuum equipment 5, and the battery is taken out for next detection operation.

The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the technical means, and also comprises the technical scheme consisting of the technical characteristics and the equivalent substitution. The present utility model is not limited to the prior art.

Claims

1. The utility model provides an air battery external packing material leakproofness detection device, includes base frame (1), its characterized in that: the utility model discloses a vacuum device, including base table (1), sealed chamber lid (3), vacuum device (5), sealed chamber lid (3) are placed to the last fixed surface fixedly connected with of base table (1), place to be provided with on base table (2) and seal chamber lid (3), place to be provided with fixed subassembly (4) on base table (1), the last fixed surface of base table (1) is connected with vacuum device (5), vacuum device (5) are through pipeline and the inside intercommunication of sealed chamber lid (3).

2. The air battery outer packaging material tightness detection device according to claim 1, wherein: the upper surface fixedly connected with crane (6) of base table (1), the upper surface of crane (6) is provided with pneumatic cylinder (7), the output of pneumatic cylinder (7) runs through the lower surface of crane (6) and with the upper surface fixed connection of sealed chamber lid (3).

3. The air battery outer packaging material tightness detection device according to claim 1, wherein: the two sides of the sealing cavity cover (3) are fixedly connected with sliding blocks (8), the upper surface of the base table (1) is fixedly connected with stabilizing columns (9) which are equal to the sliding blocks (8) in number, and the sliding blocks (8) are in sliding connection with the surfaces of the stabilizing columns (9).

4. The air battery outer packaging material tightness detection device according to claim 1, wherein: the inner bottom wall of placing platform (2) has seted up the jack groove, the inner bottom wall of jack groove is provided with rubber seal (10), sealed chamber lid (3) are located the jack groove, be provided with pressure gauge (11) on sealed chamber lid (3), the detection end of pressure gauge (11) is located sealed chamber lid (3) inner chamber.

5. The air battery outer packaging material tightness detection device according to claim 1, wherein: the fixing assembly (4) comprises a fixing box (401) fixedly connected with the upper surface of the placing table (2), a fixing block (402) is fixedly connected to the inner wall of the fixing box (401), and a bidirectional threaded screw rod (403) is rotatably connected to the inner wall of the fixing block (402).

6. The air battery outer packaging material tightness detection device according to claim 5, wherein: the fixing assembly (4) further comprises a fixing button (404) rotatably connected with one end of the fixing box (401), and the fixing button (404) and the bidirectional threaded screw rod (403) are coaxially fixed.

7. The air battery outer packaging material tightness detection device according to claim 5, wherein: the fixing assembly (4) further comprises two fixing plates (405), the two fixing plates (405) are in threaded connection with the two-way threaded screw rod (403), an empty groove is formed in the upper surface of the base table (1), a polish rod (406) is fixedly connected to the inner wall of the empty groove, and the two fixing plates (405) are in sliding connection with the polish rod (406).