CN102023072A - Detection device and method for sealing performance between anti-explosion valve outer wire and cover plate of lithium ion battery - Google Patents
Detection device and method for sealing performance between anti-explosion valve outer wire and cover plate of lithium ion battery Download PDFInfo
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- CN102023072A CN102023072A CN 201010510905 CN201010510905A CN102023072A CN 102023072 A CN102023072 A CN 102023072A CN 201010510905 CN201010510905 CN 201010510905 CN 201010510905 A CN201010510905 A CN 201010510905A CN 102023072 A CN102023072 A CN 102023072A
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- 238000001514 detection method Methods 0.000 title claims abstract description 39
- 238000007789 sealing Methods 0.000 title claims abstract description 32
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title abstract description 14
- 238000004880 explosion Methods 0.000 title abstract 4
- 239000003595 mist Substances 0.000 claims abstract description 14
- 238000012856 packing Methods 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000005476 soldering Methods 0.000 claims description 2
- 229920002457 flexible plastic Polymers 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 abstract 3
- 239000007789 gas Substances 0.000 description 16
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention relates to a detection device and method for sealing performance between an anti-explosion valve outer wire and a cover plate of a lithium ion battery. The detection device comprises a detection component, a pneumatic reversing switch (17), an oil mist filter (18), a pressure regulating valve (19), an air supply (20), a detection medium (21) and a medium container (22); and the detection component is partially arranged in the medium container (22) filled with the detection medium (21). The detection method comprises the following steps: sleeving a part (14) to be detected on an upper sealing piece (13); driving the upper sealing piece (13) to move downwards by a piston rod (3) to press the part (14) to be detected on a lower sealing piece (15); regulating the pressure regulating valve (19) to inflate air in the air supply (20) to the part (14) to be detected; and observing whether bubbles merge from the detection medium so as to judge the sealing performance between the anti-explosion valve outer wire and the cover plate. The invention is applicable and convenient, and the yield of anti-explosion lithium ion batteries is greatly improved, therefore, the device and the method have practical values.
Description
Technical field
The present invention relates to explosion-proof lithium ion battery field, be specifically related to the outer silk of a kind of lithium ion battery explosion-proof valve and cover plate for sealing performance detection apparatus and method.
Background technology
Exploit day by day along with people and today of reducing at traditional energies such as oil, coal, rock gases, lithium ion battery is as cleaning, environmental protection, the energy conversion energy storing system becomes the environment that solution faces now and the effective ways of energy problem efficiently.Lithium ion battery is widely used on the products such as notebook computer, video camera, digital camera, mobile phone and electric tool.Be security consideration, lithium ion battery now has explosion-protection equipment more.
Explosion-proof lithium ion battery is when work, and is very high to the sealing property requirement of its explosion-protection equipment.The detection of the sealing property of the explosion-proof lithium ion battery of semi-manufacture has had the relevant detection Apparatus and method in the industry at present, but in explosion-proof lithium ion battery production run, have the outer silk of explosion-proof valve of lithium ion battery of explosion-proof valve and the sealing property between the battery cover board, never have good checkout equipment and detection method.Now, having the outer silk of explosion-proof valve of lithium ion battery of explosion-proof valve and the sealing property between battery cover board controls by the degree of accuracy of welding gear and welding tooling, but this control method is not only operated inconvenience, and cause the erroneous judgement of the outer silk of explosion-proof valve and cover plate for sealing performance easily, it is defective to cause explosion-proof lithium ion battery just to detect battery hermetization after making semi-manufacture, and then cause unnecessary waste, cause the qualification rate of explosion-proof lithium ion battery to descend simultaneously.
Summary of the invention
Technical matters to be solved by this invention provides the outer silk of a kind of lithium ion battery explosion-proof valve and cover plate for sealing performance detection apparatus and method, solves that the sealing property between the outer silk of explosion-proof valve and battery cover board detects problem in the lithium ion battery production run that has explosion-proof valve.
To achieve these goals, the technical solution used in the present invention is:
Outer silk of described this lithium ion battery explosion-proof valve and cover plate for sealing performance detection apparatus comprise detection components, source of the gas, detection medium, media Containers.
Described detection components comprises cylinder, frame, first securing member, goes up seal stuck-module, second securing member, goes up seal, lower seal, lower seal stuck-module, air power steering switch, oil mist filter and pressure regulator valve.
One end of cylinder piston is provided with motion bar, and the surface of motion bar is a helicitic texture.
Cylinder is fixed on the end of frame, and motion bar stretches out from the stiff end of cylinder and frame.
Last seal stuck-module is sleeved on the motion bar of cylinder piston.
The center of last seal stuck-module has through hole, and a side of last seal stuck-module horizontal direction has through hole and threaded hole, and through hole and threaded hole join.
The both sides of seal stuck-module are respectively installed with first securing member and second securing member on the motion bar.First securing member and second securing member are for limiting the parts of seal stuck-module seal stuck-module and movable rod member sealing property on moving axially on the motion bar, guaranteeing.
As a preferred embodiment of the present invention, first securing member and second securing member are made up of nut, O-ring seal and packing washer.The visual concrete condition adjustment of the number of nut, O-ring seal and packing washer.
As the further preferred scheme of the present invention, the nut of first securing member and second securing member is two, and O-ring seal is one, and packing washer is one.
Last seal is fastened on the seal stuck-module.
The center of last seal has through hole.
As a preferred embodiment of the present invention, an end of last seal stuck-module is made groove shape, and protuberance is made at the two ends of last seal vertical direction.
The jut of last seal one end is fastened in the groove of seal stuck-module one end.
As preferred version of the present invention, last seal adopts elastic plastic material to make, and last seal stuck-module adopts metal material to make.
One end of lower seal stuck-module is fixed on the other end of frame.
Has groove on the other end of lower seal stuck-module.
Lower seal is installed in the groove of lower seal stuck-module.
As preferred version of the present invention, one end of lower seal stuck-module has threaded hole, the lower seal stuck-module adopts screw retention on frame by threaded hole, and the lower seal stuck-module adopts metal material to make, and lower seal adopts elastic plastic material to make.
The center of last seal stuck-module, first securing member, second securing member, last seal, lower seal, lower seal stuck-module point-blank.
Cylinder is communicated with the air power steering switch by tracheae, and the air power steering switch can be manual steering valve, foot-switch etc.As the preferred scheme of the present invention, adopt foot-switch as the air power steering switch.
The air power steering switch is communicated with oil mist filter by tracheae, and oil mist filter is connected on the source of the gas; Last seal stuck-module adopts tracheae to be connected with pressure regulator valve by threaded hole, and pressure regulator valve is connected on the source of the gas.
Source of the gas can be the air pressure source.
The detection medium is housed in the media Containers, and detecting medium is harmless liquid, as water, alcohol etc.As the preferred scheme of the present invention, choose water as checking medium.
The stander end that the lower seal stuck-module is housed is placed in the media Containers, detects medium and does not have lower seal and lower seal stuck-module.
Outer silk of described this lithium ion battery explosion-proof valve and cover plate for sealing method for testing performance comprise the steps:
First step: the stander end that the lower seal stuck-module will be housed is placed in the media Containers, pours the detection medium in media Containers into, opens source of the gas, regulates the valve on the oil mist filter, regulates the force value on the pressure regulator valve;
Second step: put detected part on an end of last seal, touch the air power steering switch, the drive of cylinder piston motion bar is gone up seal and is moved down, and detected part is compressed on the lower seal;
Third step: regulate pressure regulator valve, the air pressure source is passed through gas pressure regulator valve, goes up the seal stuck-module, is gone up silk outside seal, the explosion-proof valve, is charged to wire bond interface outside cover plate and the explosion-proof valve, makes the inner malleation that produces;
The 4th step: the set-point that keeps compressed gas;
The 5th step: check in the detection medium that does not detect part to have or not bubble to emerge, judge the sealing property between outer silk of explosion-proof valve and the cover plate;
The 6th step: touch the air power steering switch, the drive of cylinder piston motion bar is gone up seal and is moved up, and takes off detected part, finishes detection.
The invention provides the outer silk of a kind of lithium ion battery explosion-proof valve and cover plate for sealing performance detection apparatus and method, explosion-proof lithium ion battery outer silk of explosion-proof valve and cover plate for sealing Performance Detection problem have in process of production been solved, described this sealing property assay device structures advantages of simple, move convenient and reliable, testing result is accurately stable, described this sealing property detecting method can effectively detect outer silk of explosion-proof lithium ion battery explosion-proof valve and cover plate for sealing performance, and then can increase substantially the qualification rate of explosion-proof lithium ion battery.
Description of drawings
Below the content of Figure of description expression of the present invention and the mark among the figure are made brief description:
Fig. 1 is the outer silk of described lithium ion battery explosion-proof valve and the structural representation of cover plate for sealing performance detection apparatus;
Fig. 2 is last seal stuck-module cut-open view;
Fig. 3 is last seal cut-open view;
Fig. 4 is the lower seal synoptic diagram;
Fig. 5 is a lower seal stuck-module cut-open view;
Fig. 6 is for detecting the part synoptic diagram;
Being labeled as among the figure:
1, cylinder, 2, frame, 3, motion bar, 4, first nut, 5, second nut, 6, first packing washer, 7, first O-ring seal, 8, second O-ring seal, 9, second packing washer, 10, the 3rd nut, 11, the 4th nut, 12, last seal stuck-module, 13, last seal, 14, detect part, 15, lower seal, 16, the lower seal stuck-module, 17, the air power steering switch, 18, oil mist filter, 19, pressure regulator valve, 20, source of the gas, 21, detect medium, 22, media Containers, 23, first through hole, 24, first threaded hole, 25, second through hole, 26, third through-hole, 27, groove, 28, second threaded hole, 29, the outer silk of explosion-proof valve, 30, cover plate.
Embodiment
Contrast accompanying drawing below, by description to embodiment, to the effect and the principle of work of the mutual alignment between the shape of the specific embodiment of the present invention such as related each member, structure, the each several part and annexation, each several part and manipulate method etc., be described in further detail, design of the present invention, technical scheme had more complete, accurate and deep understanding to help those skilled in the art.
As shown in Figure 1, the outer silk of described this lithium ion battery explosion-proof valve comprises cylinder 1, frame 2, motion bar 3, first nut 4, second nut 5, first packing washer 6, first O-ring seal 7, second O-ring seal 8, second packing washer 9, the 3rd nut 10, the 4th nut 11 with the cover plate for sealing performance detection apparatus, goes up seal stuck-module 12, goes up seal 13, lower seal 15, lower seal stuck-module 16, air power steering switch 17, oil mist filter 18, pressure regulator valve 19, source of the gas 20, detects medium 21, media Containers 22.
As shown in Figure 2, an end of last seal stuck-module 12 is made groove shape, and the center of last seal stuck-module 12 has first through hole 23, and last seal stuck-module horizontal direction one side has first threaded hole, 24, the second through holes 25.
As shown in Figure 3, protuberance is made at the two ends of last seal 13, and the center of last seal 13 has third through-hole 26.
As shown in Figure 4, lower seal 15 is made annular.
As shown in Figure 5, have groove 27 on the end of lower seal stuck-module 16, the other end center of lower seal stuck-module 16 has second threaded hole 28.
As shown in Figure 6, detect part 14 and comprise outer silk 29 of explosion-proof valve and cover plate 30.
As shown in Figure 1, an end of cylinder 1 piston is provided with motion bar 3, and the surface of motion bar 3 is a helicitic texture.
Cylinder 1 is fixed on the end of frame 2, and motion bar 3 stretches out from the stiff end of cylinder 1 with frame 2.
Last seal stuck-module 12 is sleeved on the motion bar 3 of cylinder piston.
First nut 4, second nut 5, first packing washer 6, first O-ring seal 7, second O-ring seal 8, second packing washer 9, the 3rd nut 10, the 4th nut 11 are sleeved on the motion bar 3.Compress the 3rd nut 10 and the 4th nut 11.
First nut 4, second nut 5, first packing washer 6, first O-ring seal 7 are positioned at a side of seal stuck-module 12, and second O-ring seal 8, second packing washer 9, the 3rd nut 10, the 4th nut 11 are positioned at the opposite side of seal stuck-module 12.
The jut of last seal 13 1 ends is fastened in the groove of seal stuck-module 12.
Lower seal stuck-module 16 by screw retention on the other end of frame 2.Lower seal 15 is sleeved in the groove 27 of lower seal stuck-module 16.
The center of first nut 4, second nut 5, first packing washer 6, first O-ring seal 7, second O-ring seal 8, second packing washer 9, the 3rd nut 10, the 4th nut 11, last seal stuck-module 12, last seal 13, lower seal 15, lower seal stuck-module 16 point-blank.
Cylinder 1 is communicated with air power steering switch 17 by tracheae, and air power steering switch 17 is communicated with oil mist filter 18 by tracheae, and oil mist filter 18 is connected on the source of the gas 20.Last seal stuck-module 12 adopts tracheae to be communicated with reduction valve 19 by first threaded hole 24, and reduction valve 19 is connected on the source of the gas 20.
Be equipped with in the media Containers 22 and detect medium 21.The frame 2 that lower seal stuck-module 16 is housed is placed in the media Containers 22, detects medium 21 and does not have lower seal 15 and lower seal stuck-module 16.
To detect part 14 is sleeved on the seal 13.
The outer silk of described this lithium ion battery explosion-proof valve with the principle of work of cover plate for sealing performance detection apparatus is: the frame 2 that lower seal stuck-module 16 will be housed is placed in the media Containers 22, in media Containers 22, pour into and detect medium 21, open source of the gas 20, regulate the valve on the oil mist filter 18, regulate the force value on the reduction valve 19; Put detected part 14 on last seal 13, touch air power steering switch 17, motion bar 3 drives are gone up seal 13 and are moved down, and detected part 14 is compressed on the lower seal 16; Source of the gas 20 passes through gas reduction valve 19, goes up seal stuck-module 12, goes up silk 29 outside seal 13, the explosion-proof valve, is charged to the soldering opening of the outer silk 29 of cover plate 30 and explosion-proof valve, the set-point of maintenance compressed gas; Have or not bubble to emerge in the detection medium 21, do not emerge if there is bubble, the good seal performance between outer silk 29 of explosion-proof valve and the cover plate 30, detected part meets the sealing property requirement, otherwise does not then meet the sealing property requirement.
In conjunction with the accompanying drawings the present invention has been carried out exemplary description above; obvious specific implementation of the present invention is not subjected to the restriction of aforesaid way; as long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out; or design of the present invention and technical scheme are directly applied to other occasion without improving, all within protection scope of the present invention.
Claims (10)
1. outer silk of a lithium ion battery explosion-proof valve and cover plate for sealing performance detection apparatus, it is characterized in that: it comprises detection components, air power steering switch (17), oil mist filter (18), pressure regulator valve (19), source of the gas (20), detects medium (21), media Containers (22); Described detection components comprises cylinder (1), frame (2), motion bar (3), last seal stuck-module (12), first securing member, second securing member, goes up seal (13), lower seal (15), lower seal stuck-module (16); Cylinder (1) is fixed on the end of frame (2), and the piston of cylinder (1) is provided with motion bar (3), and motion bar (3) stretches out from the stiff end of cylinder (1) with frame (2); Last seal stuck-module (12) is sleeved on the motion bar (3), first securing member and second securing member are sleeved on the motion bar (3), and laying respectively at the both sides of seal stuck-module (12), last seal (13) is fastened on the seal stuck-module (12); Lower seal stuck-module (16) is fixed on the other end of frame (2), and lower seal (15) is sleeved on the lower seal stuck-module (16); Cylinder (1) is connected with air power steering switch (17), and air power steering switch (17) is connected with oil mist filter (18), and oil mist filter (18) is connected on the source of the gas (20); Last seal stuck-module (12) is connected with pressure regulator valve (19), and pressure regulator valve (19) is connected with source of the gas (20); Detect medium (21) and be filled in the detection receptacle (22), the frame (2) that has lower seal stuck-module (16) places in the detection receptacle (22), detects medium (21) and does not have lower seal stuck-module (16).
2. according to the described checkout equipment of claim 1, it is characterized in that: the surface of described motion bar (3) is a helicitic texture; The center of last seal stuck-module (12), first securing member, second securing member, last seal (13), lower seal (15), lower seal stuck-module (16) point-blank.
3. according to the described checkout equipment of claim 2, it is characterized in that: described first securing member is made up of first nut (4), second nut (5), first packing washer (6), first O-ring seal (7), and described second securing member is made up of the 3rd nut (10), the 4th nut (11), second packing washer (9), second O-ring seal (8); First packing washer (6) places the periphery of first O-ring seal (7), and first nut (4) and second nut (5) place the periphery of first packing washer (6); Second packing washer (9) places the periphery of second O-ring seal (8), and the 3rd nut (10) and the 4th nut (11) place the periphery of second packing washer (9).
4. according to the described checkout equipment of claim 3, it is characterized in that: an end of going up seal stuck-module (12) is made groove shape, protuberance is made at the two ends of last seal (13), and the jut on last seal (13) one ends is fastened in the groove of seal stuck-module (12).
5. according to the described checkout equipment of claim 4, it is characterized in that: have groove (27) on the end of lower seal stuck-module (16), lower seal (15) is an annular, and lower seal (15) places in the groove (27).
6. according to the described sealing property checkout equipment of claim 5, it is characterized in that: go up seal stuck-module (12) and lower seal stuck-module (16) and made by metal material, last seal (13) and lower seal (15) are by being with flexible plastic material to make.
7. according to the described checkout equipment of claim 6, it is characterized in that: go up seal stuck-module (12) horizontal direction one side and have first threaded hole (24) and second through hole (25), last seal stuck-module (12) adopts tracheae to be connected with pressure regulator valve (19) by first threaded hole (24).
8. according to the described checkout equipment of claim 7, it is characterized in that: have second threaded hole (28) on the other end of lower seal stuck-module (16), lower seal stuck-module (16) adopts screw to be connected with frame (2) by second threaded hole (28).
9. according to each described checkout equipment of claim 1 to 8, it is characterized in that: detect medium (21) and be water, air power steering switch (17) is a foot-switch.
10. according to the detection method of each described checkout facility of claim 1 to 9, it is characterized in that: described detection method may further comprise the steps:
First step: frame (2) end that lower seal stuck-module (16) will be housed is placed in the media Containers (22), in media Containers (22), pour into and detect medium (21), open source of the gas (20), regulate the valve on the oil mist filter (18), regulate the force value on the pressure regulator valve (19);
Second step: put detected part (14) on an end of last seal (13), touch air power steering switch (17), seal (17) moves down in cylinder piston motion bar (3) drive, and detected part (14) is compressed on the lower seal (15);
Third step: source of the gas (20) passes through gas pressure regulator valve (19), goes up seal stuck-module (12), goes up silk (29) outside seal (13), the explosion-proof valve, is charged to the soldering opening of the outer silk of cover plate (30) and explosion-proof valve (29), makes inside produce malleation;
The 4th step: the set-point that keeps source of the gas (20);
The 5th step: check in the detection medium (21) that did not have detection part (14) to have or not bubble to emerge, judge the sealing property between outer silk of explosion-proof valve (29) and the cover plate (30);
The 6th step: touch air power steering switch (17), seal (13) moves up in cylinder piston motion bar (3) drive, takes off detected part (14), finishes detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010510905A CN102023072B (en) | 2010-10-15 | 2010-10-15 | Detection device and method for sealing performance between anti-explosion valve outer wire and cover plate of lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010510905A CN102023072B (en) | 2010-10-15 | 2010-10-15 | Detection device and method for sealing performance between anti-explosion valve outer wire and cover plate of lithium ion battery |
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| Publication Number | Publication Date |
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| CN102023072A true CN102023072A (en) | 2011-04-20 |
| CN102023072B CN102023072B (en) | 2012-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010510905A Active CN102023072B (en) | 2010-10-15 | 2010-10-15 | Detection device and method for sealing performance between anti-explosion valve outer wire and cover plate of lithium ion battery |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103528764A (en) * | 2013-10-17 | 2014-01-22 | 奇瑞汽车股份有限公司 | System for measuring leakage of anti-explosion valve and pole of lithium ion battery |
| CN103776601A (en) * | 2014-02-28 | 2014-05-07 | 奇瑞汽车股份有限公司 | Battery pole sealing detecting device and detecting method thereof |
| CN106226004A (en) * | 2016-07-07 | 2016-12-14 | 无锡市宝来电池有限公司 | Battery seal ring explosion-proof pressure testing device |
| CN106872116A (en) * | 2016-12-29 | 2017-06-20 | 国轩新能源（苏州）有限公司 | Battery cover board leak detection method |
| CN114636520A (en) * | 2022-03-11 | 2022-06-17 | 深圳市海瑞思自动化科技有限公司 | Flow-controllable pressurizing device and pressurizing method thereof |
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| CN106226004A (en) * | 2016-07-07 | 2016-12-14 | 无锡市宝来电池有限公司 | Battery seal ring explosion-proof pressure testing device |
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| CN114636520B (en) * | 2022-03-11 | 2023-09-22 | 深圳市海瑞思自动化科技有限公司 | Flow-controllable pressurizing device and pressurizing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102023072B (en) | 2012-10-24 |
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