Air battery pack sealing performance detection device

Abstract

The utility model relates to a detection device, belongs to the technical field of battery detection, and particularly relates to an air battery pack sealing performance detection device, which comprises a main body, a box door hinged to one side of the main body, a handle I fixedly connected to one side of the box door, an operation platform fixedly connected to the inclined surface of the main body, and a detection mechanism, the detection mechanism is fixedly connected to the inner side of the main body, the detection mechanism comprises a vacuum pump, the vacuum pump is arranged at the bottom of the inner side of the main body, one side of the vacuum pump is fixedly communicated with a vacuum pipe, and the middle part of the vacuum pipe is fixedly communicated with a stop valve I. According to the utility model, the detection result can be read more visually; according to the invention, the detection efficiency is higher, the detection result is more accurate, and the problems that whether the sealing performance of the battery pack has a problem or not cannot be visually observed, the sealing performance of the battery under an extreme condition cannot be detected, and the detection result is not perfect are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery detection, in particular to a device for detecting the sealing performance of an air battery pack. Background Art

[0002] Air batteries are a type of chemical battery. The construction principle is similar to that of dry batteries, except that the oxidant is taken from the oxygen in the air. For example, there is an air battery with zinc as the negative electrode, sodium hydroxide as the electrolyte, and porous activated carbon as the cathode, so it can absorb oxygen in the air to replace the oxidant in ordinary dry batteries.

[0003] After searching, the Chinese patent with publication number CN205262693U discloses a non-destructive sealing detection device for lithium-ion battery system, and its technical scheme is: including an air inlet pipe, one end of which is arranged on one side of the lithium-ion battery system and communicated with the interior of the lithium-ion battery system; an air duct, one end of which is connected to the other end of the air inlet pipe; an air pump, which is arranged on the air duct; an air outlet pipe, one end of which is arranged on the other side of the lithium-ion battery system and communicated with the interior of the lithium-ion battery system; an air plug, which is arranged at the other end of the air outlet pipe to block it. The utility model judges whether the sealing of the interior of the lithium-ion battery system is qualified by filling gas into the interior of the sealed lithium-ion battery system according to the change of its pressure value; it has a simple structure, is easy to install, has quick and accurate detection, and is highly safe and will not cause damage to the lithium-ion battery system.

[0004] However, the device still has the following problems: when the device is testing, the instrument changes are not intuitive enough, and there is a problem that the changes are too small to accurately read the test results, which affects the accuracy of the test. In addition, due to the different working environments of the batteries, there may be differences in airtightness. The device cannot detect the sealing of the battery under extreme conditions, and the test results are not perfect. Utility Model Content

[0005] In order to solve the above technical problems, the utility model proposes an air battery pack sealing detection device, which can detect the sealing of the battery pack under extreme conditions by adjusting the internal temperature, making the detection result more complete, and can simultaneously detect a single battery block in the battery pack, with higher detection efficiency and more accurate detection results.

[0006] The technical solution to achieve the purpose of the utility model is: an air battery pack sealing detection device, comprising a main body, one side of the main body is hingedly connected to a box door, one side of the box door is fixedly connected to a handle, the inclined surface of the main body is fixedly connected to an operating platform, and further comprising;

[0007] A detection mechanism, the detection mechanism is fixedly connected to the inner side of the main body;

[0008] The detection mechanism includes a vacuum pump, which is arranged at the inner bottom, one side of the vacuum pump is fixedly connected with a vacuum tube, the middle of the vacuum tube is fixedly connected with a stop valve 1, the inner side of the main body is fixedly connected with a pressure relief pump, one side of the pressure relief pump is fixedly connected with a pressure relief tube, the middle of the pressure relief tube is fixedly connected with a stop valve 2, the top of the main body is fixedly connected with a bracket, the inner side of the bracket is fixedly connected with a U-shaped tube, the U-shaped tube is fixedly connected to the top of the main body, and the diameter of one side of the U-shaped tube is smaller than the other side.

[0009] In some embodiments, a pair of slide rails 1 are fixedly connected to the inner bottom of the main body, one end of the pair of slide rails 1 are rotatably connected to a roller, the inside of the pair of slide rails 1 are slidably connected to a slider 1, the pair of sliders 1 are commonly fixedly connected to a base, one side of the base is fixedly connected to a handle 2, and the other side of the base is fixedly connected to a back panel.

[0010] In some embodiments, a support rod is fixedly connected to the inner side of the base near the middle, a cover plate is fixedly connected to the top of the support rod, a plurality of slide rails 2 are fixedly connected to both sides of the support rod, a plurality of slide rails 2 are fixedly connected to the inner sides of each of the slide rails 2, a spring is fixedly connected to one side of the slide rail 2, the other end of the spring is fixedly connected to the support rod, and a pair of clamping plates are fixedly connected to the tops of the plurality of slide rails 2.

[0011] In some embodiments, a semiconductor cooling plate is fixedly connected to one side of the interior of the main body, a heating plate is fixedly connected to one side of the interior of the main body, and an isolation plate is fixedly connected to the inner side of the main body.

[0012] Compared with the prior art, the present invention has the following significant advantages:

[0013] Firstly, the utility model provides a U-shaped tube, and when the internal pressure of the main body changes, the liquid in the U-shaped tube will change accordingly, so that it is possible to more intuitively observe whether the sealing of the battery pack is qualified, and the detection result is more accurate;

[0014] Second, the utility model is provided with a heating plate of a semiconductor cooling plate inside the main body, which can detect the sealing of the battery pack under extreme conditions by adjusting the internal temperature, so that the detection result is more perfect;

[0015] The present invention solves the problems that it is impossible to visually observe whether there is a problem with the sealing of the battery pack, it is impossible to detect the sealing of the battery under extreme conditions, and the detection results are not perfect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further explained below in conjunction with the accompanying drawings and embodiments:

[0017] Figure 1 It is a schematic diagram of the overall three-dimensional structure provided by the utility model in one embodiment;

[0018] Figure 2 It is a schematic diagram of an overall half-section structure provided by the utility model in one embodiment;

[0019] Figure 3 It is a schematic diagram of an explosion structure provided in one embodiment of the utility model;

[0020] Figure 4 It is a schematic diagram of a detection structure provided in one embodiment of the utility model.

[0021] Description of reference numerals:

[0022] 1. Main body; 2. Box door; 3. Handle 1; 4. Operating platform; 5. Bracket; 6. U-shaped tube; 7. Vacuum pump; 701. Stop valve 1; 8. Vacuum tube; 9. Pressure relief pump; 901. Stop valve 2; 10. Pressure relief tube; 11. Slide rail 1; 12. Roller; 13. Slider 1; 14. Base; 15. Handle 2; 16. Back plate; 17. Support rod; 18. Slide rail 2; 19. Slider 2; 20. Spring; 21. Clamping plate; 22. Cover plate; 23. Semiconductor cooling plate; 24. Heating plate; 25. Isolation plate. DETAILED DESCRIPTION

[0023] The utility model is described in detail below, and the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] The utility model provides an air battery pack sealing detection device through improvement. The technical solution of the utility model is:

[0025] like Figure 1 and Figure 4As shown, an air battery pack sealing detection device also includes a main body 1, one side of the main body 1 is hingedly connected to a box door 2, one side of the box door 2 is fixedly connected to a handle 3, the inclined surface of the main body 1 is fixedly connected to an operating platform 4, and also includes a detection mechanism, the detection mechanism is fixedly connected to the inner side of the main body 1, the detection mechanism includes a vacuum pump 7, the vacuum pump 7 is arranged at the inner bottom of the main body 1, one side of the vacuum pump 7 is fixedly connected to a vacuum tube 8, the middle part of the vacuum tube 8 is fixedly connected to a stop valve 701, the inside of the device can be placed in a negative pressure state through the vacuum pump 7, so as to achieve the previous conditions for sealing detection, the inner side of the main body 1 is fixedly connected to a pressure relief pump 9, the pressure relief pump 9 One side of the pump 9 is fixedly connected to a pressure relief pipe 10, and the middle part of the pressure relief pipe 10 is fixedly connected to a stop valve 2 901. The top of the main body 1 is fixedly connected to a bracket 5, and the inner side of the bracket 5 is fixedly connected to a U-shaped tube 6. The U-shaped tube 6 is fixedly connected to the top of the main body 1. The diameter of one side of the U-shaped tube 6 is smaller than the other side. When negative pressure is generated inside the device, the liquid on one side of the U-shaped tube 6 will flow to the side fixedly connected to the main body 1. If the sealing of the battery pack is unqualified, the liquid will flow back. Since the diameter of the side of the Y-shaped tube 6 fixedly connected to the main body 1 is larger than the other side, when the liquid flows back, the liquid level rises significantly, which is more convenient for observation and improves detection efficiency.

[0026] like Figure 2 and Figure 3 As shown, a pair of slide rails 11 are fixedly connected to the inner bottom of the main body 1, one end of the pair of slide rails 11 is rotatably connected to a roller 12, the inside of the pair of slide rails 11 is slidably connected to a slider 13, the pair of sliders 13 are commonly fixedly connected to a base 14, one side of the base 14 is fixedly connected to a handle 2 15, the base 14 can be pulled to the outside of the device through the above device, this design is more convenient for placing and fixing the battery pack, the other side of the base 14 is fixedly connected to a back plate 16, the inner side of the base 14 is fixedly connected to a support rod 17 near the middle, the top of the support rod 17 is fixedly connected to a cover plate 22, both sides of the support rod 17 are fixedly connected to a plurality of slide rails 2 18, the inner sides of the plurality of slide rails 2 18 are fixedly connected Slider 2 19, one side of which is fixedly connected with a spring 20, the other end of which is fixedly connected to the support rod 17, the tops of the plurality of sliders 21 are commonly fixedly connected with a pair of clamping plates 21, the inner side of the main body 1 is fixedly connected with a semiconductor cooling plate 23, the inner side of the main body 1 is fixedly connected with a heating plate 24, the inner side of the main body 1 is fixedly connected with an isolation plate 25, after the battery pack is fixed inside the main body 1 through the cooperation of the base 14 and the clamping plate 21, the inside of the main body 1 can be heated or cooled by controlling the semiconductor cooling plate 23 and the heating plate 24, so that the inside of the device can simulate extreme temperatures, thereby detecting the sealing of the battery under different temperature conditions, making the detection result more perfect.

[0027] The specific working method is: pull handle 1 3 to open the box door 2, then pull handle 2 15 to pull out the bottom base 14, place the battery pack on the top of the cover plate 22, move the clamping plate 21, fix the battery pack in a suitable position and then push it back to the base 14, close the box door 2, and control the vacuum pump 7 through the operating platform 4 to make the inside of the box enter a negative pressure state. After entering the negative pressure state, close the stop valve 1 701 and the stop valve 2 901, and the internal liquid of the U-shaped tube 6 enters the right pipeline. Let it stand for a while, observe whether the liquid level on the left side of the U-shaped tube 6 changes, and obtain the test result, then open the stop valve 2 901 to release the pressure to complete the test.

[0028] The technical means disclosed in the utility model are not limited to the technical means disclosed in the above technical means, but also include technical solutions composed of equivalent replacement of the above technical features. Matters not covered in the utility model belong to the common knowledge of those skilled in the art.

Claims

1. An air battery pack sealing detection device, comprising a main body (1), one side of the main body (1) is hingedly connected to a box door (2), one side of the box door (2) is fixedly connected to a handle (3), and the inclined surface of the main body (1) is fixedly connected to an operating platform (4), characterized in that: Also includes; A detection mechanism, the detection mechanism being fixedly connected to the inner side of the main body (1); The detection mechanism comprises a vacuum pump (7), the vacuum pump (7) being arranged at the inner bottom of the main body (1), one side of the vacuum pump (7) being fixedly connected to a vacuum tube (8), the middle of the vacuum tube (8) being fixedly connected to a first stop valve (701), the inner side of the main body (1) being fixedly connected to a pressure relief pump (9), one side of the pressure relief pump (9) being fixedly connected to a pressure relief tube (10), the middle of the pressure relief tube (10) being fixedly connected to a second stop valve (901), the top of the main body (1) being fixedly connected to a bracket (5), the inner side of the bracket (5) being fixedly connected to a U-shaped tube (6), the U-shaped tube (6) being fixedly connected to the top of the main body (1), and the diameter of one side of the U-shaped tube (6) being smaller than the other side.

2. The air battery pack sealing detection device according to claim 1, characterized in that: A pair of slide rails (11) are fixedly connected to the inner bottom of the main body (1), one end of each of the pair of slide rails (11) is rotatably connected to a roller (12), the interior of each of the pair of slide rails (11) is slidably connected to a slider (13), the pair of sliders (13) are commonly fixedly connected to a base (14), one side of the base (14) is fixedly connected to a handle (15), and the other side of the base (14) is fixedly connected to a back plate (16).

3. The air battery pack sealing detection device according to claim 2, characterized in that: A support rod (17) is fixedly connected to the inner side of the base (14) near the middle, a cover plate (22) is fixedly connected to the top of the support rod (17), a plurality of slide rails (18) are fixedly connected to both sides of the support rod (17), a plurality of slide rails (18) are fixedly connected to the inner sides of the plurality of slide rails (18), a slide block (19) is fixedly connected to one side of the slide block (19), the other end of the spring (20) is fixedly connected to the support rod (17), and a pair of clamping plates (21) are fixedly connected to the tops of the plurality of slide rails (19).

4. The air battery pack sealing detection device according to claim 1, characterized in that: A semiconductor cooling plate (23) is fixedly connected to one side of the interior of the main body (1), a heating plate (24) is fixedly connected to one side of the interior of the main body (1), and an isolation plate (25) is fixedly connected to the inner side of the main body (1).

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