CN213397540U - Novel detection of cylinder electricity core gas tightness and intensity device - Google Patents
Novel detection of cylinder electricity core gas tightness and intensity device Download PDFInfo
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- CN213397540U CN213397540U CN202022775788.7U CN202022775788U CN213397540U CN 213397540 U CN213397540 U CN 213397540U CN 202022775788 U CN202022775788 U CN 202022775788U CN 213397540 U CN213397540 U CN 213397540U
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Abstract
The utility model belongs to a power battery system, in particular to a novel device for detecting the air tightness and the strength of a cylindrical battery cell, which consists of a base, a slider, a first fluororubber, a sleeve, a second fluororubber, a threaded steel pipe, a digital display barometer, an air pipe and a baroswitch; the base is of a frame structure and can be horizontally placed on the workbench; the sliding block is embedded on the base, and a placing hole is formed in the sliding block; a pair of first fluororubbers are arranged at two ends of the measured cylindrical battery cell respectively; the sleeve is arranged on the outer side of the tested cylindrical battery cell, the threaded steel pipe is connected with the tested cylindrical battery cell through the sleeve, and a second fluororubber seal is arranged between the sleeve and the threaded steel pipe; the other end of the threaded steel pipe is provided with an air pipe which is sequentially connected with an air pressure meter and an air pressure switch. The utility model discloses a barometer detects entire system's atmospheric pressure value condition, synthesizes and judges cylinder electricity core gas tightness and the intensity condition, and the structure is simple and easy, can be detected by gas tightness and the intensity of wide application in cylinder electricity core.
Description
Technical Field
The utility model belongs to power battery system, concretely relates to novel detection of cylinder electricity core gas tightness and intensity device.
Background
Because the power battery system is internally and completely electrically connected, the national standard has high requirement on the waterproof grade of the battery pack and must reach the IP67 grade. Each battery pack must be tested for online hermeticity to replace the watertight rating requirement by an equal amount; considering that the air tightness tester is a precise instrument, the external calibration is very difficult to carry out frequently, and the internal sensor is easy to damage in the shipping process, so that the calibration accuracy cannot be ensured; meanwhile, the external calibration period is very long.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not solve above-mentioned problem, provide a novel detection device of cylinder electricity core gas tightness and intensity, the device arranges cylinder electricity core in detection device, through the gaseous opening and shutting of atmospheric pressure switch control and close to detect entire system's atmospheric pressure value condition through the barometer, synthesize and judge cylinder electricity core gas tightness and intensity condition. The specific technical scheme is as follows:
a novel detection device for air tightness and strength of cylindrical battery cell: the detection device consists of a base, a sliding block, first fluororubber, a sleeve, second fluororubber, a threaded steel pipe, a digital display barometer, an air pipe and an air pressure switch;
the base is of a frame structure and can be horizontally placed on the workbench; the sliding block is embedded on the base, and a placing hole is formed in the sliding block and used for placing the cylindrical battery cell to be tested; a pair of first fluororubbers are arranged at two ends of the measured cylindrical battery cell respectively; the sleeve is arranged on the outer side of the cylindrical battery cell to be tested, the threaded steel pipe is connected with the cylindrical battery cell to be tested through the sleeve, and a second fluorine rubber seal is arranged between the sleeve and the threaded steel pipe; the other end of the threaded steel pipe is provided with an air pipe which is sequentially connected with an air pressure meter and an air pressure switch.
The barometer is used for monitoring the air pressure value of the whole system and recording the air pressure peak value; the air pipe is used for transmitting air; the air pressure switch mainly controls the opening and closing of air and has the effect of slowly increasing air pressure.
Furthermore, a guide groove is formed in the base, the two sides of the sliding block are embedded into the guide groove in a matched mode, a threaded hole is formed in the base, and the threaded hole is matched with the threaded steel pipe.
The utility model discloses a barometer detects the atmospheric pressure value condition of entire system, synthesizes and judges cylinder electricity core gas tightness and the intensity condition, the utility model discloses the structure is simple and easy, the effectual realization is at the factory interior calibration airtight tester; the reliability of the airtight tester monitored in a factory is effectively realized; the calibration period of the air tightness tester is effectively shortened, and the air tightness tester can be widely applied to air tightness and strength detection of cylindrical cells.
Drawings
FIG. 1 is a schematic view of the structure of the detecting device of the present invention;
FIG. 2 is an exploded view of the structure of the detecting device of the present invention;
FIG. 3 is a cross-sectional view of the base of the detecting device of the present invention;
11-base, 12-slide block, 13-first fluororubber, 14-sleeve, 15-second fluororubber, 16-threaded steel pipe, 17-digital display barometer, 18-air pipe and 19-air pressure switch.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and 2, the novel device for detecting the air tightness and strength of the cylindrical battery cell comprises a base 11, a sliding block 12, a first fluororubber 13, a sleeve 14, a second fluororubber 15, a threaded steel pipe 16, a digital display barometer 17, an air pipe 18 and an air pressure switch 19;
the base 11 is a frame-shaped structure and can be horizontally placed on the workbench; the sliding block 12 is embedded on the base 11, and a placing hole is formed in the sliding block 12 and used for placing a cylindrical battery cell to be tested; a pair of first fluororubbers 13 are arranged at two ends of the measured cylindrical battery cell respectively; the sleeve 14 is arranged on the outer side of the cylindrical battery cell to be tested, the threaded steel pipe 16 is connected with the cylindrical battery cell to be tested through the sleeve 14, and a second fluorine rubber 15 is arranged between the sleeve 14 and the threaded steel pipe 16 for sealing; the other end of the threaded steel pipe 16 is provided with an air pipe 18 which is sequentially connected with an air pressure gauge 17 and an air pressure switch 19.
As shown in fig. 3, the base 11 is provided with a guide groove 111, two sides of the slider 12 are engaged with the guide groove 111 by fitting, the base 11 is provided with a threaded hole 112, and the threaded hole 112 is fitted with the threaded steel pipe 16.
When the test device is used, the air pressure value condition of the whole system is detected through the air pressure meter, and the air tightness and strength condition of the cylindrical battery cell is comprehensively judged.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (2)
1. The utility model provides a novel detection of cylinder electricity core gas tightness and intensity device which characterized in that: the detection device consists of a base (11), a sliding block (12), first fluororubber (13), a sleeve (14), second fluororubber (15), a threaded steel pipe (16), a digital display barometer (17), an air pipe (18) and an air pressure switch (19);
the base (11) is of a frame structure and can be horizontally placed on the workbench; the sliding block (12) is embedded on the base (11), and a placing hole is formed in the sliding block (12) and used for placing a cylindrical battery cell to be tested; a pair of first fluororubbers (13) are arranged at two ends of the measured cylindrical battery cell respectively; the sleeve (14) is arranged on the outer side of the cylindrical battery cell to be tested, the threaded steel pipe (16) is connected with the cylindrical battery cell to be tested through the sleeve (14), and a second fluorine rubber (15) is arranged between the sleeve (14) and the threaded steel pipe (16) for sealing; the other end of the threaded steel pipe (16) is provided with an air pipe (18) which is sequentially connected with a digital display barometer (17) and an air pressure switch (19).
2. The novel device for detecting the air tightness and strength of the cylindrical battery cell of claim 1, which is characterized in that: the novel steel tube base is characterized in that a guide groove (111) is formed in the base (11), the two sides of the sliding block (12) are embedded into the guide groove (111) in a matched mode, a threaded hole (112) is formed in the base (11), and the threaded hole (112) is matched with the threaded steel tube (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022775788.7U CN213397540U (en) | 2020-11-26 | 2020-11-26 | Novel detection of cylinder electricity core gas tightness and intensity device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022775788.7U CN213397540U (en) | 2020-11-26 | 2020-11-26 | Novel detection of cylinder electricity core gas tightness and intensity device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213397540U true CN213397540U (en) | 2021-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022775788.7U Active CN213397540U (en) | 2020-11-26 | 2020-11-26 | Novel detection of cylinder electricity core gas tightness and intensity device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213397540U (en) |
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2020
- 2020-11-26 CN CN202022775788.7U patent/CN213397540U/en active Active
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