CN107607301A - The detection means and detection method of a kind of accumulator protection valve - Google Patents
The detection means and detection method of a kind of accumulator protection valve Download PDFInfo
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- CN107607301A CN107607301A CN201710755462.8A CN201710755462A CN107607301A CN 107607301 A CN107607301 A CN 107607301A CN 201710755462 A CN201710755462 A CN 201710755462A CN 107607301 A CN107607301 A CN 107607301A
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Abstract
The invention discloses a kind of detection means of accumulator protection valve and detection method, the detection means includes：Inflation mechanism and fit sealing mechanism；The inflation mechanism includes inflation source and air pressure detection table, and the inflation source and air pressure detection table are tightly connected；The fit sealing mechanism can house safety valve to be detected, including fastening member and containment member, the fastening member can apply pressure to the safety valve to be detected, and under the pressure, the containment member can make the inlet end of the safety valve to be detected be in sealing state；The inflation mechanism and the containment member of the fit sealing mechanism are tightly connected.The open and close valve pressure of single accumulator protection valve can be detected in any field of employment using the detection means, and avoid the problem of testing cost caused when laboratory is detected using destructive detection experiment to the open and close valve pressure of accumulator protection valve is high.
Description
Technical field
The present invention relates to ice storing time field, and in particular to a kind of detection means of accumulator protection valve.The present invention is also
It is related to a kind of method that detection means using the accumulator protection valve is detected.
Background technology
Accumulator protection valve is one of critical component of valve-control sealed accumulator, the open and close valve pressure of accumulator protection valve
Power has a major impact to the index such as sealing reaction efficiency, the dehydration of battery of battery, and the longevity of these indexs and battery
Life is closely related, and therefore, controls the open and close valve pressure of safety valve significant for battery.
It was verified that battery is in use, because the unlatching and closure failure of accumulator protection valve cause electric power storage
The phenomenon that the life-span in pond terminates in advance repeatedly occurs, and therefore, the detection to the open and close valve pressure of accumulator protection valve seems particularly
It is important.
At present, mainly before safety valve dispatches from the factory, arrival when and three links such as laboratory accumulator protection valve is carried out
Detection, it is described dispatch from the factory before and the method that is detected to safety valve during arrival be mainly：To the accumulator protection valve of single model
Batch detection, the maximization of its detection means are carried out, and the air compressor machine that need to be maximized coordinates compressed air；The laboratory is to storing
The detection method of battery safety valve is mainly：Battery case is drilled, filled by small-sized air compressor to internal storage battery
Gas, and then measure the open and close valve pressure of safety valve.
However, due to the limitation of detection means, at detection of the field of employment of battery to single accumulator protection valve
In space state, also, detection of the laboratory to accumulator protection valve need to carry out destructive testing, and battery is scrapped after experiment,
Testing cost is high.
The content of the invention
The present invention provides a kind of detection means of accumulator protection valve, existing in the field of employment pair of battery to solve
The detection of single accumulator protection valve is in the problem of space state, and laboratory is detected to the destructiveness of accumulator protection valve
The problem of testing cost caused by experiment is high.The present invention additionally provides a kind of detection means using the accumulator protection valve
The method detected.
The present invention provides a kind of detection means of accumulator protection valve, including：Inflation mechanism and fit sealing mechanism；
The inflation mechanism includes inflation source and air pressure detection table, and the inflation source and air pressure detection table are tightly connected；Institute
Safety valve to be detected, including fastening member and containment member can be housed by stating fit sealing mechanism, and the fastening member can be to described
Safety valve to be detected applies pressure, and under the pressure, the containment member can make at the inlet end of the safety valve to be detected
In sealing state；The inflation mechanism and the containment member of the fit sealing mechanism are tightly connected.
Preferably, the fastening member can be connected with the containment member.
Preferably, the containment member is cylindrical sleeve, and the upper cartridge is openend, the openend it is cylindrical
Side face is provided with screw thread；The sleeve lateral wall end face is in step-like, the plane at the step of the sleeve lateral wall wide at the top and narrow at the bottom
Can be with being fitted at the sealing of the safety valve to be detected；The sleeve bottom is necking end, and being provided with can be with the inflator
The hole that structure is tightly connected；
The fastening member is the hold-down ring of circularly cylindrical structure, its inner cylinder being fixedly connected by top and outer cylinder
Form, the inner peripheral surface of the outer cylinder can match with the outer circumference surface of the upper cartridge, the inner peripheral surface of the outer cylinder
The screw thread that can be connected with the screw thread of the outer circumference surface at the sleeve openings end is provided with, the bottom of the inner cylinder can be with institute
State and be in contact at the top of safety valve to be detected.
Optionally, the inner cylinder of the hold-down ring is implemented after compressing to the safety valve to be detected, the opening of the sleeve
Top of the end higher than the safety valve to be detected.
Optionally, the plane at the step of the sleeve lateral wall can pass through the close of gasket seal and the safety valve to be detected
Palette at envelope.
Optionally, the bottom position of the inner cylinder of the hold-down ring is provided with ball bearing.
Optionally, the inflation mechanism also includes：Airway tube, the airway tube detect the inflation source, the air pressure
Table and the containment member are tightly connected.
Optionally, the model of the fit sealing mechanism and size are relative with the model and size of the safety valve to be detected
Should.
The present invention also provides a kind of method that detection means using the accumulator protection valve is detected, methods described
Comprise the following steps：
By safety valve fit sealing to be detected；
To the top adding liquid of the safety valve to be detected by fit sealing, exceed the safety to be detected to liquid level
The top of valve；
Inflated to the inlet end of the safety valve to be detected by fit sealing；
When liquid level at the top of the safety valve to be detected has bubble generation, the air pressure detection table numerical value P1 is recorded；When
When liquid level at the top of the safety valve to be detected has continuous bubble generation, stop inflation, when being produced there is no bubble, record
The air pressure detection table numerical value P2.
Compared with prior art, the present invention has advantages below：
The detection means of accumulator protection valve provided herein, including the inflation mechanism being sealably coupled and fasten it is close
Sealing mechanism, safety valve to be detected is fixed by the fit sealing mechanism, and makes entering for the safety valve to be detected
Gas end is in the sealing state being isolated with outlet side, and the inlet end in sealing state is filled by the inflation mechanism
Gas, and read according to the open and close valve state of the safety valve and record corresponding atmospheric pressure value, so as to obtain the safety to be detected
The open and close valve pressure value of valve.Its is simple in construction, coordinates simply between each composition mechanism, and required air-flow is small, accuracy of detection is high, and
And the fit sealing mechanism can be adjusted, design and change according to the size and structure of safety valve to be detected, therefore, it is suitable
For being detected in any field of employment to the open and close valve pressure of single accumulator protection valve, fill up due to detection means
Limitation caused by detection of the field of employment of battery to single accumulator protection valve is in space state the problem of, and
And avoid caused when laboratory is detected using destructive detection experiment to the open and close valve pressure of accumulator protection valve
The problem of testing cost is high.
Brief description of the drawings
Fig. 1 is the structural representation of the detection means for the accumulator protection valve that the application first embodiment provides；
Fig. 2 is the structural representation for the sleeve that the application first embodiment provides；
Fig. 3 is the structural representation for the hold-down ring that the application first embodiment provides；
Fig. 4 is the structural representation of the detection means for the accumulator protection valve that the application second embodiment provides；
Fig. 5 is that the detection means for the accumulator protection valve provided using the application that the application 3rd embodiment provides is treated
The method flow diagram that detection safety valve is detected.
Legend marks explanation：
Inflation mechanism 1, inflation source 101, air pressure detection table 102, airway tube 103；
Fit sealing mechanism 2, sleeve 201, the plane 2011 at step, hole 2012, hold-down ring 202, inner cylinder 2021,
Outer cylinder 2022, ball bearing 203, gasket seal 204；
Safety valve 3 to be detected
Embodiment
Many details are elaborated in the following description in order to fully understand the present invention.But the present invention can be with
Much it is different from other manner described here to implement, those skilled in the art can be in the situation without prejudice to intension of the present invention
Under do similar popularization, therefore the present invention is not limited to the specific embodiments disclosed below.
The application provides a kind of detection means of accumulator protection valve, and embodiment presented below is described in detail.
The application first embodiment provides a kind of detection means of accumulator protection valve, and the detection means can be to single electric power storage
The open and close valve pressure of pond safety valve is detected, and it is particularly suitable for use in detects to the open and close valve pressure of integrated safe valve,
Generally, the bottom of the integrated safe valve is inlet end, and top is outlet side, is provided with the inlet end side
At sealing, lower position that the air inlet of the inlet end is at the sealing.
It refer to Fig. 1 and understand the embodiment, Fig. 1 is the detection dress for the accumulator protection valve that the application first embodiment provides
The structural representation put.
As shown in figure 1, the detection means of the accumulator protection valve includes：Inflation mechanism 1 and fit sealing mechanism 2.
The inflation mechanism 1 includes：Inflation source 101, air pressure detection table 102 and airway tube 103.
The inflation source 101 can provide the gas with certain pressure intensity according to default air pressure demand, due to the detection
Device is used to detect the open and close valve pressure of single accumulator protection valve, and required air pressure is smaller, therefore, common low discharge
Aerating device can meet inflation require, such as air bag or small pneumatic pump.In this implementation, the inflation source 101 is can
Adjust the air bag of aeration quantity and aeration speed.
The air pressure detection table 102 is used to detect the gas pressure that the inflation source 101 provides, and it can be pointer
Indicator type pressure gauge or digital display manometer, in this implementation, the air pressure detection table 102 is the higher number of the accuracy class of conventional type
Aobvious pressure gauge.
The airway tube 103 is used to connect the inflation mechanism 1 and the fit sealing mechanism 2, air-flow is filled by described
Mechanism of qi structure 1 is closed to flow to the fit sealing mechanism 2.Its material can be rubber or silica gel with airtight performance.In this implementation,
The airway tube 103 is the rubber catheter with three interfaces, and three interfaces are examined with the inflation source 101, air pressure respectively
Survey table 102 and the fit sealing mechanism 2 are tightly connected.
When air-flow is flowed out from the air bag, and the digital display manometer is flowed through by the airway tube 103, the number
Aobvious pressure gauge shows the atmospheric pressure value of the air-flow.
The fit sealing mechanism 2 can house safety valve 3 to be detected, and it mainly includes：Sleeve 201 and hold-down ring 202.
The sleeve 201 is the containment member of the fit sealing mechanism 2, and its structure can be combined with reference to figure 2, and Fig. 2 is institute
State the structural representation of sleeve 201.
As shown in Fig. 2 the sleeve 201 is columnar structured, the columnar structured top is openend, the set
The outer circumference surface of the openend on 201 tops of cylinder is provided with screw thread；Present platform narrow under width in the columnar structured side wall end face
Scalariform, the plane 2011 at the step of the sleeve lateral wall be able to can be held with being fitted at the sealing of the safety valve 3 to be detected
The safety valve to be detected 3 is connect, i.e.,：The safety valve 3 to be detected can be positioned in the plane 2011 at the step, and made
The inlet end of the safety valve to be detected 3 be in after the sleeve 201 fits with the safety valve 3 to be detected formed it is close
Close in space；The bottom of sleeve 201 is necking end, only leaves the hole 2012 that can be tightly connected with the airway tube 103.
The hold-down ring 202 is the fastening member of the fit sealing mechanism 2, for being applied to the safety valve 3 to be detected
Plus-pressure, so as to be brought into close contact at the sealing of the safety valve to be detected 3 with the plane 2011 at the step of the sleeve 201,
The inlet end of the safety valve 3 to be detected is sealed with realizing.Its structure can be combined with reference to figure 3, and Fig. 3 is the hold-down ring
202 structural representation.
As shown in figure 3, the hold-down ring 202 is circularly cylindrical structure, its inner cylinder 2021 being connected with each other by top
Formed with outer cylinder 2022, the inner peripheral surface of the outer cylinder 2022 can match with the outer circumference surface on the top of sleeve 201, institute
The madial wall for stating outer cylinder 2022 is provided with the screw thread that can be connected with the screw thread of the lateral wall on the top of sleeve 201, institute
The bottom for stating inner cylinder 2021 is used to be in contact with the top of the safety valve 3 to be detected.
The sleeve 201 can realize mating connection with the hold-down ring 202 by the screw thread, the connection of its rotatable engagement
Process nature is the process of worm drive, i.e.,：By the linear motion that convert rotational motion is the hold-down ring 202.Treated when described
After detection safety valve 3 is placed in the plane 2011 at the step of the sleeve 201, by the outer cylinder of hold-down ring 202
2022 madial wall and the lateral wall rotatable engagement on the top of sleeve 201 are tightened, the mistake that the hold-down ring 202 is tightened in cooperation
Moved down in journey, the inner cylinder 2021 of the hold-down ring 202 during moving down, its bottom can with it is described to be detected
The top of safety valve 3 is in contact, thus can apply downward pressure to the safety valve 3 to be detected；Simultaneously as the sleeve
Plane 2011 at 201 step has upward Undertaking effect to the safety valve 3 to be detected at sealing, therefore, described to treat
Safety valve 3 is detected in the presence of the pressure, can closely be pasted with the plane 2011 at the step of the sleeve 201 at its sealing
Close, to realize the compression to the safety valve 3 to be detected, and then realize the sealing to the inlet end of the safety valve 3 to be detected.
Also, after implementing to compress to the safety valve 3 to be detected, needed at the top of the openend of the sleeve 201 higher than described to be checked
Survey the top of safety valve 3.
It should be noted that it is the gasket seal 204 of quality of rubber materials at the sealing of the safety valve to be detected 3, its is general
For the intrinsic component of the safety valve 3 to be detected, however, when safety valve 3 to be detected lacks the component, the fit sealing machine
Structure 2 also includes the gasket seal 204.
The material of the sleeve 201 and the hold-down ring 202 can be stainless steel or makrolon material or polyphenyl
Ether material, in this embodiment, the sleeve 201 and the hold-down ring 202 are stainless steel.
It should be noted that for the safety valve to be detected 3 of different model, the sleeve 201 of different model can be set
Corresponded with the hold-down ring 202.
The inflation mechanism 1 can be tightly connected with the containment member of the fit sealing mechanism 2, i.e.,：The inflation mechanism 1
It is tightly connected by the hole 2012 of the airway tube 103 and the necking end of sleeve 201.
The application second embodiment provides a kind of detection means of accumulator protection valve, refer to Fig. 4 and understands the embodiment,
Fig. 4 is the structural representation of the detection means for the accumulator protection valve that the application second embodiment provides.
Because the bottom of the inner cylinder 2021 of the hold-down ring 202 is in contact at the top with the safety valve 3 to be detected
Afterwards, it need to continue to rotate, therefore friction torque, and the friction can be produced with the top of the safety valve 3 to be detected
Moment of torsion incrementally increases with the progress of the rotary motion, and the top of the safety valve 3 to be detected by the friction due to being turned round
The effect of square and deform or damage, therefore, in the application second embodiment, the fit sealing mechanism 2 also include rolling
Pearl bearing 203, the ball bearing 203 correspond to the bottom position of the inner cylinder 2021 of the hold-down ring 202, and it is treated with described
The top of detection safety valve 3 is in contact, and when rotatably compressing, the ball bearing 203 can prevent to described the hold-down ring 202
Safety valve 3 to be detected causes to damage.
As shown in figure 4, in this embodiment, in addition to the ball bearing 203 is set up, the detection dress of the accumulator protection valve
Put the structure of the detection means for the accumulator protection valve that the structure of other parts and feature are provided with the application first embodiment
And feature is identical, related place refers to the application first embodiment, will not be repeated here.
The application 3rd embodiment provides a kind of accumulator protection valve provided using the first or second embodiments
The method that is detected to safety valve to be detected of detection means, refer to Fig. 5 and understand the embodiment, Fig. 5 carries for the present embodiment
The method flow diagram that the detection means using the accumulator protection valve supplied is detected to safety valve to be detected, below in conjunction with
Fig. 5 illustrates to the detection method.
As shown in figure 5, the method detected using the detection means of the accumulator protection valve to safety valve to be detected
Comprise the following steps：
S1：By safety valve fit sealing to be detected.
Specifically, in the plane 2011 safety valve 3 to be detected being positioned at the step of the side wall of sleeve 201,
Make to fit with the plane 2011 at the step at the sealing of the safety valve to be detected 3, by the outer cylinder of hold-down ring 202
2022 madial wall and the lateral wall rotatable engagement on the top of sleeve 201 are tightened, the mistake that the hold-down ring 202 is tightened in cooperation
Moved down in journey, the inner cylinder 2021 of hold-down ring 202 is during rotation moves down, the ball bearing of its bottom
203 are in contact with the top of the safety valve 3 to be detected, and can apply downward pressure to the safety valve 3 to be detected；Together
When, due to there is upward undertaking to make at sealing of the plane 2011 at the step of the sleeve 201 to the safety valve 3 to be detected
With for the safety valve 3 to be detected in the presence of the pressure, the gasket seal 204 at its sealing can be with the sleeve 201
The palette of plane 2011 at step, the lower orientation being in due to the air inlet of the safety valve 3 to be detected at the sealing
Put, therefore, the inlet end of the safety valve 3 to be detected be in the sleeve 201 with after the palette of safety valve 3 to be detected
In the confined space formed, so that the inlet end of the safety valve to be detected 3 is in sealing state of isolation with outlet side.
S2：To the top adding liquid of the safety valve to be detected by fit sealing, to liquid level beyond described to be detected
The top of safety valve.
Because the safety valve 3 to be detected is implemented after compressing sealing, the ringent top of the sleeve 201 is higher than described
The top of safety valve 3 to be detected, therefore, do not had described treat in top adding liquid to the liquid level to the fit sealing mechanism 2
Behind the top for detecting safety valve 3, the liquid being added will not overflow from the top of the openend of the sleeve 201, so,
The liquid being added can reside in the position of the above at the sealing in the sleeve 201, and the liquid level is in institute
State the top of the outlet side of safety valve 3 to be detected.
S3：Inflated to the inlet end of the safety valve to be detected by fit sealing.
Because the inflation mechanism 1 is close by the hole 2012 of the airway tube 103 and the bottom necking end of sleeve 201
Envelope connection, and the inlet end of the safety valve to be detected 3 is in sealing state, therefore, by described hole 2012 to institute
When stating the necking end inflation of the sleeve 201 of fit sealing mechanism 2, the gas flowed out by the air bag can enter the set
In the confined space that cylinder 201 is formed with the safety valve 3 to be detected.
S4：When the liquid level at the top of safety valve 3 to be detected has bubble generation, record the air pressure detection table 102 and count
Value P1；When the liquid level at the top of safety valve 3 to be detected has continuous bubble to produce, stop inflation, to be produced when there is no bubble
When raw, the numerical value P2 of air pressure detection table 102 is recorded.
Because the air bag continues to inflate into the confined space of the sleeve 201, therefore in the confined space
Air pressure be stepped up, it is described when the air pressure in the confined space is increased to the cracking pressure of the safety valve to be detected 3
The valve of safety valve 3 to be detected is opened, and insertion is realized in the inlet end and the outlet side, and air-flow flows to institute from the inlet end
Outlet side is stated, so that the liquid level produces bubble, because the confined space of the digital display manometer and the sleeve 201 is in
Connected state, its air pressure inside is identical, therefore, when the liquid level starts to produce bubble, shown by the digital display manometer
Pressure value is the cracking pressure value P1 of the safety valve to be detected 3；When the liquid level at the top of safety valve 3 to be detected has continuously
Bubble produce when, stop inflation, when being produced there is no bubble, show that the valve of the safety valve to be detected 3 has closed, this
When atmospheric pressure value be the safety valve to be detected 3 valve closing pressure value P 2.Thus opening for the safety valve to be detected 3 can be obtained
Valve pressure value P 1 and valve closing pressure value P 2.
Although the present invention is disclosed as above with preferred embodiment, it is not for limiting the present invention, any this area skill
Art personnel without departing from the spirit and scope of the present invention, can make possible variation and modification, therefore the guarantor of the present invention
Shield scope should be defined by the scope that the claims in the present invention are defined.
Claims (9)
- A kind of 1. detection means of accumulator protection valve, it is characterised in that including：Inflation mechanism and fit sealing mechanism；The inflation mechanism includes inflation source and air pressure detection table, and the inflation source and air pressure detection table are tightly connected；It is described tight Gu sealing mechanism can house safety valve to be detected, including fastening member and containment member, the fastening member can be to described to be checked Survey safety valve and apply pressure, under the pressure, the containment member can make the inlet end of the safety valve to be detected be in close Envelope state；The inflation mechanism and the containment member of the fit sealing mechanism are tightly connected.
- 2. the detection means of accumulator protection valve according to claim 1, it is characterised in that the fastening member with it is described Containment member can be connected.
- 3. the detection means of accumulator protection valve according to claim 2, it is characterised in that the containment member is cylinder Shape sleeve, the upper cartridge are openend, and the outer circumference surface of the openend is provided with screw thread；The sleeve lateral wall end face is in Wide at the top and narrow at the bottom is step-like, and the plane at the step of the sleeve lateral wall can be with being affixed at the sealing of the safety valve to be detected Close；The sleeve bottom is necking end, is provided with the hole that can be tightly connected with the inflation mechanism；The fastening member is the hold-down ring of circularly cylindrical structure, its inner cylinder being fixedly connected by top and outer cylinder structure Into the inner peripheral surface of the outer cylinder can match with the outer circumference surface of the upper cartridge, and the inner peripheral surface of the outer cylinder is set Be equipped with the screw thread that can be connected with the screw thread of the outer circumference surface at the sleeve openings end, the bottom of the inner cylinder can with it is described It is in contact at the top of safety valve to be detected.
- 4. the detection means of accumulator protection valve according to claim 3, it is characterised in that the inner cylinder of the hold-down ring The safety valve to be detected is implemented after compressing, the openend of the sleeve is higher than the top of the safety valve to be detected.
- 5. the detection means of accumulator protection valve according to claim 3, it is characterised in that the step of the sleeve lateral wall The plane at place can pass through palette at the sealing of gasket seal and the safety valve to be detected.
- 6. the detection means of accumulator protection valve according to claim 3, it is characterised in that the inner cylinder of the hold-down ring Bottom position be provided with ball bearing.
- 7. the detection means of accumulator protection valve according to claim 1, it is characterised in that the inflation mechanism also wraps Include：Airway tube, the inflation source, the air pressure are detected the airway tube into table and the containment member is tightly connected.
- 8. the detection means of accumulator protection valve according to claim 1, it is characterised in that the fit sealing mechanism Model and size are corresponding with the model and size of the safety valve to be detected.
- 9. the method that a kind of detection means of accumulator protection valve using as described in claim 1-8 is detected, its feature It is, comprises the following steps：By safety valve fit sealing to be detected；To the top adding liquid of the safety valve to be detected by fit sealing, to liquid level beyond the safety valve to be detected Top；Inflated to the inlet end of the safety valve to be detected by fit sealing；When liquid level at the top of the safety valve to be detected has bubble generation, the air pressure detection table numerical value P1 is recorded；When described When liquid level at the top of safety valve to be detected has continuous bubble generation, stop inflation, when being produced there is no bubble, described in record Air pressure detection table numerical value P2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710755462.8A CN107607301B (en) | 2017-08-29 | 2017-08-29 | Detection device and detection method for safety valve of storage battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710755462.8A CN107607301B (en) | 2017-08-29 | 2017-08-29 | Detection device and detection method for safety valve of storage battery |
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| CN107607301B CN107607301B (en) | 2020-01-17 |
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| CN109211562A (en) * | 2018-10-11 | 2019-01-15 | 天能电池集团有限公司 | It is a kind of for detecting the method and device of lead storage battery safety valve ageing properties |
| CN110057571A (en) * | 2019-04-12 | 2019-07-26 | 超威电源有限公司 | A kind of detection device and method of electric boosted automobile-used Capsule formula safety valve |
| CN111208441A (en) * | 2020-01-17 | 2020-05-29 | 恒大新能源汽车科技(广东)有限公司 | Battery testing device |
| CN111220317A (en) * | 2020-02-26 | 2020-06-02 | 华富(江苏)电源新技术有限公司 | Detection method for safety valve hole of middle cover of storage battery |
| CN113532842A (en) * | 2021-06-28 | 2021-10-22 | 合肥国轩高科动力能源有限公司 | Method for testing pressure-resistant service life of explosion-proof valve for lithium battery |
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