CN207622956U - Leak detecting device for battery - Google Patents

Leak detecting device for battery Download PDF

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Publication number
CN207622956U
CN207622956U CN201720953708.8U CN201720953708U CN207622956U CN 207622956 U CN207622956 U CN 207622956U CN 201720953708 U CN201720953708 U CN 201720953708U CN 207622956 U CN207622956 U CN 207622956U
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CN
China
Prior art keywords
screw rod
battery
detection part
detecting device
leak detecting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201720953708.8U
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Chinese (zh)
Inventor
吴立军
段争光
金根木
邓滨
任重
徐珍珍
张后林
崔虎
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Wuhu Institute of Technology
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Wuhu Institute of Technology
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Priority to CN201720953708.8U priority Critical patent/CN207622956U/en
Application granted granted Critical
Publication of CN207622956U publication Critical patent/CN207622956U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a kind of leak detecting device for battery, which includes fixed platform, holder, push-and-pull component, inspection pressure valve, equalizer valve and detection part, and the fixed platform, holder and push-and-pull component are sequentially connected from top to bottom;The detection part is connected to the push-and-pull component, and the free movement in the horizontal plane under the driving of the push-and-pull component;The detection part is provided with venthole, and the inspection pressure valve and equalizer valve are all connected to the venthole;The inspection pressure valve is provided with the interface being connected with pressure detecting, and the equalizer valve is provided with the interface being connected with air charging system.The leak detecting device for battery of the utility model have many advantages, such as it is simple in structure, it is easy to operate, may be adapted to different type battery, particularly suitable for the detection to lithium ion battery.

Description

Leak detecting device for battery
Technical field
The utility model is related to leak detecting device for batteries, and in particular, to leak detecting device for battery.
Background technology
In recent years, with society be constantly progressive and the continuous utilization of the energy, people probe into energy storage technologies More and more extensive, it is exactly battery industry nowadays to study more.In order to meet environmentally protective idea of development, utilizing for the energy needs This theme is surrounded, so among battery just gives birth to because of fortune and is widely used in life, the mobile phone, the pen that are commonly used as us Remember this computer, electric vehicle field etc..In order to meet the different demands for battery in the market, the constantly production of corresponding enterprise is not With the battery of model and type.
Nowadays the power battery type in market is various, from the point of view of shape, there is rectangular, cylinder and Soft Roll etc..Especially Rectangular and cylindrical battery occupies a big chunk ratio in the market.Rectangular and cylindrical battery is differed due to design parameter Sample, size are also of all kinds.Although the cell shapes that different enterprises or company produce are different, production technology is more It is mutually far short of what is expected, but be different shell battery can all have Laser Welding process in the production process, it is mainly by battery aluminum shell Weld together with battery cover board.The welding effect of two different monomers aluminum hulls and cover board laser is energy and the weldering by welding The decision of the factors such as position is connect, and the effect welded directly decides the making of further battery, if failure welding may be directly Battery is caused to scrap processing, so welding sequence is particularly significant.We need the battery of butt welding binding beam to be detected herein, Exactly welding effect is assessed, battery will not be caused bad because of Laser Welding in so that battery is made.Welding effect detects With the presence or absence of unwelded or failure welding at bonding wire, we use gas detection.Nowadays most common in practical application Leak hunting method is exactly in the way of pressure value or helium leak test, and two kinds of detection modes respectively have feature, pressure method speed opposite Comparatively fast, helium leak check is relatively more accurate.
When gas detection, when we are filled with gas into aluminum hull from liquid injection port, if bonding wire is bad, bad place will leak Gas, air pressure inside will reduce, and the leak hunting method of the utility model with device is namely based on this principle and comes.
Utility model content
The purpose of this utility model is to provide a kind of leak detecting device for battery, which can be directed to the welding of battery Situation is detected, and by being filled with gas into the object after weldering, gas, detection gas pressure are filled with after stopping after a certain period of time Power infers welding effect by observing the variation of pressure.
To achieve the goals above, the utility model provides a kind of leak detecting device for battery, including fixed platform, holder, Component, inspection pressure valve, equalizer valve and detection part are pushed and pulled, the fixed platform, holder and push-and-pull component connect successively from top to bottom It connects;The detection part is connected to the push-and-pull component, and the free movement in the horizontal plane under the driving of the push-and-pull component; The detection part is provided with venthole, and the inspection pressure valve and equalizer valve are all connected to the venthole;The inspection pressure valve setting There are the interface being connected with pressure detecting, the equalizer valve to be provided with the interface being connected with air charging system.
Preferably, the detection part includes sequentially connected cylinder, sleeve and detector from top to bottom, the set jacket casing It is connected to the outer surface of the detector, and the detector can be moved along the length direction of the sleeve, and the detector One end be fixed in the telescopic rod of the cylinder, under the control of the cylinder, the length direction along the sleeve moves, institute Sleeve is stated vertically to be arranged;The venthole is set on the detector.
Preferably, sealing ring, the liquid injection port of the sealing ring and battery is arranged in the outside of the venthole of the detection part It matches.
Preferably, the push-and-pull component includes first direction control motor, first direction control screw rod, second direction control Motor and second direction control screw rod;The first direction control motor, first direction control screw rod and detection part connect successively It connects, first direction control motor can control detection part along first direction control screw rod in being moved back and forth on first direction;It is described Second direction control motor, second direction control screw rod and detection part are sequentially connected, and the second direction control motor is controllable Detection part processed controls screw rod in being moved back and forth in second direction in a second direction.
Preferably, the leak detecting device for battery further includes one group of fixture being oppositely arranged, runner and screw rod;Wherein, runner, Screw rod and fixture are sequentially connected, and rotating the runner can realize that fixture moves reciprocatingly along the axial direction of screw rod.
Preferably, the fixture is flexibly connected with the screw rod by movable device, the movable device include bearing and Bolt, the bearing are fixedly installed on the fixture and socket-connect with screw rod, and the bearing is inserted with setting on screw rod with described Sell matched pin hole.
Preferably, the clamping face of the fixture is plate or arc-shaped.
According to above-mentioned technical proposal, adjust the position of detection part, by the venthole of detection part and battery to be checked into Liquid mouth is tightly connected;Air charging system is opened, is inflated to battery to be checked, while opening pressure detecting device, when the blowing pressure to rule When definite value, equalizer valve is closed;In the case that pressure generates variation in pressure-detecting device, judgement battery is unqualified.This practicality Novel leak detecting device for battery have many advantages, such as it is simple in structure, it is easy to operate, may be adapted to different type battery, particularly suitable for lithium The detection of ion battery.
Other feature and advantage of the utility model will be described in detail in subsequent specific embodiment part.
Description of the drawings
Attached drawing is to be used to provide a further understanding of the present invention, an and part for constitution instruction, and following Specific implementation mode be used to explain the utility model together, but do not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is the front view of leak detecting device for battery;
Fig. 2 is the stereoscopic schematic diagram of leak detecting device for battery.
Reference sign
1 fixed platform, 2 holder
3 inspection 4 equalizer valves of pressure valve
5 sealing ring, 6 venthole
7 cylinder, 8 sleeve
9 detector, 10 first direction controls motor
11 first directions control 12 second direction of screw rod and control motor
13 second directions control 14 fixture of screw rod
15 runner, 16 screw rod
17 bearing, 18 bolt
Specific implementation mode
Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein Described specific implementation mode is only used for describing and explaining the present invention, and is not intended to limit the utility model.
In the present invention, in the absence of explanation to the contrary, the noun of locality that " upper and lower " etc. is included in the term is only Represent orientation of the term under normal service condition, or be those skilled in the art understand that be commonly called as, and be not construed as to this The limitation of term.
As shown in Figure 1 and Figure 2, the utility model provides a kind of leak detecting device for battery, including fixed platform 1, holder 2, push-and-pull Component, inspection pressure valve 3, equalizer valve 4 and detection part, the fixed platform 1, holder 2 and push-and-pull component connect successively from top to bottom It connects;The detection part is connected to the push-and-pull component, and the free movement in the horizontal plane under the driving of the push-and-pull component; The detection part is provided with venthole 6, and the inspection pressure valve 3 and equalizer valve 4 are all connected to the venthole 6;The inspection pressure valve 3 It is provided with the interface being connected with pressure detecting, the equalizer valve 4 is provided with the interface being connected with air charging system.
According to above-mentioned specific implementation mode, the driving detection part for pushing and pulling component can adjust the position of detection part, will examine The inlet of the venthole 6 and battery to be checked of surveying component is tightly connected;Air charging system is opened, inflates to battery to be checked, opens simultaneously Pressure-detecting device is opened, when the blowing pressure to specified value, closes equalizer valve;Pressure generates variation in pressure-detecting device In the case of, judgement battery is unqualified.The leak detecting device for battery of the utility model have many advantages, such as it is simple in structure, it is easy to operate, can Suitable for different type battery, particularly suitable for the detection to lithium ion battery.
In a kind of specific implementation mode of the utility model, the detection part includes sequentially connected gas from top to bottom Cylinder 7, sleeve 8 and detector 9, the sleeve 8 is socketed on the outer surface of the detector 9, and the detector 9 can be along described The length direction of sleeve 8 moves, and one end of the detector 9 is fixed in the telescopic rod of the cylinder 7, in the cylinder 7 Control under, the length direction along the sleeve 8 moves, and the sleeve 8 is vertically arranged;The venthole 6 is set to On the detector 9.In this specific embodiment, cylinder 7 control detector 9 along the length direction of the sleeve 8 move with Venthole 6 is directed to the liquid injection port of battery, more convenient operation is conducive to improve detection efficiency.
In a kind of specific implementation mode of the utility model, the outside setting sealing of the venthole 6 of the detection part Circle 5, the sealing ring 5 is matched with the liquid injection port of battery.In this way, sealing ring 5 and the liquid injection port of battery are in close contact, thus Good air-tightness is kept in detection process.
In a kind of specific implementation mode of the utility model, the push-and-pull component include first direction control motor 10, First direction controls screw rod 11, second direction control motor 12 and second direction and controls screw rod 13;The first direction control electricity Machine 10, first direction control screw rod 11 and detection part are sequentially connected, and first direction control motor 10 can control detection part edge First direction controls screw rod 11 in being moved back and forth on first direction;The second direction control motor 12, second direction control spiral shell Bar 13 and detection part are sequentially connected, and the second direction control motor 12 can control detection part to control screw rod in a second direction 13 in second direction in moving back and forth.In this way, detection part can be moved back and forth along first direction and second direction, in practical operation In, detector 9 can be made accurately to be moved to right over liquid injection port, be more advantageous to the alignment to battery.
In a kind of specific implementation mode of the utility model, the leak detecting device for battery further includes one group and is oppositely arranged Fixture 14, runner 15 and screw rod 16;Wherein, runner 15, screw rod 16 and fixture 14 are sequentially connected, and rotating the runner 15 can realize Fixture 14 moves reciprocatingly along the axial direction of screw rod 16.
In a kind of specific implementation mode of the utility model, the fixture 14 is lived with the screw rod 16 by movable device Dynamic connection, the movable device include bearing 17 and bolt 18, and the bearing 17 is fixedly installed on the fixture 14 and and spiral shell Bar 16 socket-connects, the bearing 17 and setting on screw rod 16 and 18 matched pin hole of the bolt.In the specific embodiment party In formula, be conducive to the replacement of fixture 14.
In a kind of specific implementation mode of the utility model, the clamping face of the fixture 14 is plate or arc-shaped. , with different fixtures are fitted, the scope of application of this leak detecting device for battery can be increased according to the shape of battery to be detected in this way.
The utility model also provides a kind of method hunted leak to battery using previously described leak detecting device for battery, packet Include following steps:1) inlet of the venthole of detection part 6 and battery to be checked is tightly connected;2) air charging system is opened, to Battery inflation to be checked, while opening pressure detecting device closes equalizer valve 4 when the blowing pressure to specified value;3) it is examined in pressure It surveys in device in the case of pressure generation variation, judgement battery is unqualified.
The leak hunting method of the utility model is easy to operate, as a result accurately, may be adapted to different type battery, particularly suitable for lithium The detection of ion battery.
Preferred embodiments of the present invention, still, the utility model and unlimited are described in detail above in association with attached drawing Detail in the above embodiment can be to the skill of the utility model in the range of the technology design of the utility model Art scheme carries out a variety of simple variants, these simple variants belong to the scope of protection of the utility model.
It is further to note that specific technical features described in the above specific embodiments, in not lance It in the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the utility model is to each The possible combination of kind no longer separately illustrates.
In addition, arbitrary combination can also be carried out between a variety of different embodiments of the utility model, as long as it is not disobeyed The thought for carrying on the back the utility model, equally should be considered as content disclosed in the utility model.

Claims (7)

1. a kind of leak detecting device for battery, which is characterized in that including fixed platform (1), holder (2), push-and-pull component, inspection pressure valve (3), Equalizer valve (4) and detection part, the fixed platform (1), holder (2) and push-and-pull component are sequentially connected from top to bottom;It is described Detection part is connected to the push-and-pull component, and the free movement in the horizontal plane under the driving of the push-and-pull component;The inspection It surveys component and is provided with venthole (6), the inspection pressure valve (3) and equalizer valve (4) are all connected to the venthole (6);The inspection pressure Valve (3) is provided with the interface being connected with pressure detecting, and the equalizer valve (4) is provided with the interface being connected with air charging system.
2. leak detecting device for battery according to claim 1, which is characterized in that the detection part includes from top to bottom successively Cylinder (7), sleeve (8) and the detector (9) of connection, the sleeve (8) are socketed on the outer surface of the detector (9), and institute Stating detector (9) can move along the length direction of the sleeve (8), and one end of the detector (9) is fixed in the gas The telescopic rod of cylinder (7), under the control of the cylinder (7), the length direction along the sleeve (8) moves, the sleeve (8) Vertically it is arranged;The venthole (6) is set on the detector (9).
3. leak detecting device for battery according to claim 1, which is characterized in that outside the venthole (6) of the detection part Sealing ring (5) is arranged in side, and the sealing ring (5) matches with the liquid injection port of battery.
4. leak detecting device for battery according to claim 1, which is characterized in that the push-and-pull component includes first direction control Motor (10), first direction control screw rod (11), second direction control motor (12) and second direction control screw rod (13);It is described First direction control motor (10), first direction control screw rod (11) and detection part are sequentially connected, and first direction controls motor (10) it can control detection part along first direction control screw rod (11) in being moved back and forth on first direction;The second direction control Motor (12), second direction control screw rod (13) and detection part are sequentially connected, and the second direction control motor (12) is controllable Detection part processed controls screw rod (13) in being moved back and forth in second direction in a second direction.
5. leak detecting device for battery according to claim 1, which is characterized in that the leak detecting device for battery further includes one group of phase To the fixture (14), runner (15) and screw rod (16) of setting;Wherein, runner (15), screw rod (16) and fixture (14) are sequentially connected, The achievable fixture (14) of the runner (15) is rotated to move reciprocatingly along the axial direction of screw rod (16).
6. leak detecting device for battery according to claim 5, which is characterized in that the fixture (14) is logical with the screw rod (16) Movable device flexible connection is crossed, the movable device includes bearing (17) and bolt (18), and the bearing (17) is fixedly installed on It socket-connects on the fixture (14) and with screw rod (16), the bearing (17) and setting on screw rod (16) and the bolt (18) phase The pin hole of cooperation.
7. leak detecting device for battery according to claim 6, which is characterized in that the clamping face of the fixture (14) is plate Or it is arc-shaped.
CN201720953708.8U 2017-08-02 2017-08-02 Leak detecting device for battery Expired - Fee Related CN207622956U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720953708.8U CN207622956U (en) 2017-08-02 2017-08-02 Leak detecting device for battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720953708.8U CN207622956U (en) 2017-08-02 2017-08-02 Leak detecting device for battery

Publications (1)

Publication Number Publication Date
CN207622956U true CN207622956U (en) 2018-07-17

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Country Status (1)

Country Link
CN (1) CN207622956U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107588910A (en) * 2017-08-02 2018-01-16 芜湖职业技术学院 Leak detecting device for battery and leak hunting method
CN109282951A (en) * 2018-08-28 2019-01-29 上海空间电源研究所 Zinc-silver oxide cell multichannel monomer sealing propertytest principle and plugging structure
KR102212052B1 (en) * 2019-12-06 2021-02-05 한국생산기술연구원 Multi-axis fatigue test jig constituting fatigue testing device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107588910A (en) * 2017-08-02 2018-01-16 芜湖职业技术学院 Leak detecting device for battery and leak hunting method
CN109282951A (en) * 2018-08-28 2019-01-29 上海空间电源研究所 Zinc-silver oxide cell multichannel monomer sealing propertytest principle and plugging structure
KR102212052B1 (en) * 2019-12-06 2021-02-05 한국생산기술연구원 Multi-axis fatigue test jig constituting fatigue testing device

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GR01 Patent grant
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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180717

Termination date: 20190802