CN117433911A - New energy battery top cap rupture disk pressure detection equipment - Google Patents

New energy battery top cap rupture disk pressure detection equipment Download PDF

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Publication number
CN117433911A
CN117433911A CN202311387186.6A CN202311387186A CN117433911A CN 117433911 A CN117433911 A CN 117433911A CN 202311387186 A CN202311387186 A CN 202311387186A CN 117433911 A CN117433911 A CN 117433911A
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CN
China
Prior art keywords
battery top
top cover
valve
outlet pipe
air outlet
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Pending
Application number
CN202311387186.6A
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Chinese (zh)
Inventor
阙杜荣
阙杜华
淦小平
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Xiamen Lianshuo Technology Co ltd
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Xiamen Lianshuo Technology Co ltd
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Priority to CN202311387186.6A priority Critical patent/CN117433911A/en
Publication of CN117433911A publication Critical patent/CN117433911A/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
    • G01N3/12—Pressure testing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02—Details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0001—Type of application of the stress
    • G01N2203/0003—Steady
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0014—Type of force applied
    • G01N2203/0016—Tensile or compressive
    • G01N2203/0019—Compressive
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/003—Generation of the force
    • G01N2203/0042—Pneumatic or hydraulic means
    • G01N2203/0044—Pneumatic means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/022—Environment of the test
    • G01N2203/0244—Tests performed "in situ" or after "in situ" use
    • G01N2203/0246—Special simulation of "in situ" conditions, scale models or dummies
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/026—Specifications of the specimen
    • G01N2203/0262—Shape of the specimen
    • G01N2203/0278—Thin specimens
    • G01N2203/0282—Two dimensional, e.g. tapes, webs, sheets, strips, disks or membranes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/06—Indicating or recording means; Sensing means
    • G01N2203/067—Parameter measured for estimating the property
    • G01N2203/0676—Force, weight, load, energy, speed or acceleration
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Secondary Cells (AREA)

Abstract

The invention discloses a new energy battery top cover explosion-proof piece pressure detection device, which relates to the technical field of explosion-proof piece detection devices.

Description

New energy battery top cap rupture disk pressure detection equipment
Technical Field
The invention relates to the technical field of explosion-proof sheet detection equipment, in particular to new energy battery top cover explosion-proof sheet pressure detection equipment.
Background
In order to prevent the new energy battery from unexpected explosion event, the damage to the user caused by unexpected explosion of the battery is reduced, an explosion-proof piece is generally required to be installed on the top cover of the battery, the damage to the human body caused by the explosion of the battery is reduced, and the pressure detection is required to be carried out on the explosion-proof piece during the production and processing of the explosion-proof piece so as to ensure the qualification rate of the explosion-proof piece.
At present, the detection mode of the explosion-proof sheet is generally that a battery top cover is assembled on a battery box at first, the top surface of the explosion-proof sheet is directly used for simulating external air pressure, the bottom surface of the explosion-proof sheet inside the battery box cannot be detected through the direct air supply mode, the battery is usually detected through short circuit in the simulation actual use process, the internal air pressure of the battery box is increased through short circuit of the battery, the bottom surface of the explosion-proof sheet on the battery top cover is detected, the detection mode of the bottom surface of the explosion-proof sheet is complex, the battery top cover is required to be disassembled and assembled, the time is long, and the detection efficiency is low.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides new energy battery top cover explosion-proof piece pressure detection equipment, which solves the problems that the existing bottom surface detection mode of the explosion-proof piece is complex, the battery top cover needs to be disassembled and assembled, the time is long, and the detection efficiency is low.
In order to solve the technical problems, the invention provides the following technical scheme: new energy battery top cap rupture disk pressure detection equipment detects rupture disk on the battery top cap, detection equipment includes the gas supply subassembly, still includes:
the battery top cover comprises at least one supporting piece, wherein each supporting piece is provided with a first ventilation groove, each first ventilation groove is provided with a first notch, and the size of each first notch is not larger than that of the battery top cover;
at least one sealing piece, wherein each sealing piece is provided with a second ventilation groove, the second ventilation groove is provided with a second notch, and the size of the second notch is not larger than that of the battery top cover;
the detection assembly comprises a first air outlet pipe and a third air outlet pipe, wherein one end of the first air outlet pipe is connected with the air supply assembly, a first valve and a second air outlet pipe are sequentially arranged on the first air outlet pipe along the air flow direction, a third valve and a fourth air outlet pipe are sequentially arranged on the third air outlet pipe along the air flow direction, a second valve is arranged on the second air outlet pipe, a fourth valve is arranged on the fourth air outlet pipe, the third air outlet pipe extends into the second air vent groove, and the first air outlet pipe extends into the first air vent groove;
when the battery top cover is placed on the supporting piece, the supporting piece and/or the sealing piece are/is driven to move by the adjusting component, so that two sides of the battery top cover are respectively attached to the supporting piece and the sealing piece, and at the moment, the projection parts of the first notch and the second notch on the explosion-proof piece are partially or completely overlapped.
Preferably, the adjusting assembly comprises a lifting mechanism and a translation mechanism, wherein the translation mechanism drives the supporting piece to move to the position right below the sealing piece, and the lifting mechanism drives the sealing piece to move downwards to match with the supporting piece to seal the explosion-proof piece.
Preferably, the gas supply assembly is connected with at least one connecting pipe, one end of each connecting pipe is connected with a first gas outlet pipe and a third gas outlet pipe, and a pressure sensor is arranged on each connecting pipe.
Preferably, the first ventilation groove comprises a first groove formed in the top surface of the support piece and a first air inlet channel formed in one side of the inner wall of the first groove.
Preferably, the second air vent groove comprises a second groove formed in the bottom surface of the sealing piece and a second air inlet channel formed in one side of the inner wall of the second groove.
Preferably, a fifth valve is arranged on the connecting pipe, and the fifth valve and the pressure sensor are sequentially arranged on the connecting pipe along the gas flowing direction.
Preferably, the connecting pipe is provided with a proportional valve.
Preferably, the support and the closure are provided with sealing rings, and the sealing rings are located at the periphery of the first notch and the second notch.
Preferably, the gas supply assembly comprises a gas storage tank and a booster pump, and the connecting pipe is connected with the gas storage tank.
Preferably, the first valve, the second valve, the third valve, the fourth valve and the fifth valve are all explosion-proof electromagnetic valves.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the explosion-proof piece on the battery top cover is sealed by adjusting the adjusting component, the second valve and the third valve are opened, the first valve and the fourth valve are closed, gas is led into the third air outlet pipe by the gas feeding component, the gas pressure presses the bottom surface of the explosion-proof piece on the battery top cover, if the explosion-proof piece is undamaged, the battery top cover meets the use requirement, when the explosion-proof piece cannot bear the pressure and is damaged, the gas in the third air outlet pipe passes through the battery top cover and then enters the first air outlet pipe and finally flows out through the second air outlet pipe, so that the gas pressure can be reduced, and particularly whether the second air outlet pipe is out of gas or not can be sensed manually, thereby the explosion-proof piece on the battery top cover can be rapidly judged to be damaged, the trouble that the traditional battery top cover is required to be assembled on a battery box for detection and disassembly is avoided, the time is saved, and the detection efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the back side structure of FIG. 1 in accordance with the present invention;
FIG. 3 is a schematic diagram of the structure of the gas feeding assembly, the first detecting unit, the second detecting unit, the fifth valve, the proportional valve and the pressure sensor according to the present invention;
FIG. 4 is a schematic diagram of the structures of the connecting pipe, the first detecting unit, the second detecting unit, the fifth valve, the proportional valve and the pressure sensor according to the present invention;
FIG. 5 is a schematic view of the adjustment assembly, support and closure of the present invention;
FIG. 6 is a schematic view of the closure, second recess, second inlet passage and seal ring of the present invention;
FIG. 7 is a schematic view of the structure of the support, the first groove, the first air inlet channel and the sealing ring according to the present invention;
FIG. 8 is a schematic view of the structure of the battery top cover and rupture disc of the present invention;
wherein: 1. a gas feed assembly; 11. a gas storage tank; 12. a booster pump; 2. a connecting pipe; 3. a first detection unit; 31. a first air outlet pipe; 32. a first valve; 33. a second air outlet pipe; 34. a second valve; 4. a second detection unit; 41. a third air outlet pipe; 42. a third valve; 43. a fourth air outlet pipe; 44. a fourth valve; 5. a fifth valve; 6. a proportional valve; 7. a pressure sensor; 8. a battery top cover; 81. explosion-proof sheet; 9. a support; 91. a first groove; 92. a first air intake passage; 10. a body; 13. a closure; 131. a second groove; 132. a second intake passage; 14. an adjustment assembly; 141. a lifting mechanism; 142. a translation mechanism; 15. a seal ring; 16. a security grating.
Detailed Description
In order to make the technical means, creation characteristics, achievement purposes and effects achieved by the present invention easy to understand, the present invention will be further described with reference to specific examples, but the following examples are only preferred examples of the present invention, not all examples are based on the embodiments, and other examples obtained by a person skilled in the art without making creative efforts are all within the scope of the present invention, and experimental methods in the following examples, if not specifically described, are all conventional methods, and materials, reagents, etc. used in the following examples, if not specifically described, may be obtained from commercial sources.
As shown in fig. 1-8, the invention provides a new energy battery top cover explosion-proof sheet pressure detection device, which detects an explosion-proof sheet 81 on a battery top cover 8, the detection device comprises a machine body 10, an air supply assembly 1 and an adjusting assembly 14 are arranged in the machine body 10, the air supply assembly 1 is connected with at least one group of detection assemblies, the air supply assembly 1 comprises an air storage tank 11 and a booster pump 12, the specific air supply principle of the air supply assembly 1 is the prior art, the connecting pipe 2 is connected with the air storage tank 11, the explosion-proof sheet 81 is detected through the air supply assembly 1 and the detection assemblies, the adjusting assembly 14 is connected with a supporting piece 9 and/or a sealing piece 13, and at least one of the supporting piece 9 and the sealing piece 13 is connected with the other two components;
specifically, each supporting piece 9 is provided with a first ventilation groove, the first ventilation groove is provided with a first notch, and the size of the first notch is not larger than that of the battery top cover 8;
each sealing piece 13 is provided with a second ventilation groove which is provided with a second notch, and the size of the second notch is not larger than that of the battery top cover 8;
the sizes of the first notch and the second notch are preferably larger than the size of the explosion-proof piece 81, so that the explosion-proof piece 81 can be conveniently and comprehensively detected at one time, and the trouble that the explosion-proof piece 81 cannot be completely covered at one time and the position detection needs to be moved for multiple times is avoided;
each group of detection components comprises a first detection unit 3 and a second detection unit 4 (specifically shown in fig. 4), the first detection unit 3 comprises a first air outlet pipe 31, the second detection unit 4 comprises a third air outlet pipe 41, one end of the first air outlet pipe 31 is connected with one end of the third air outlet pipe 41, a first valve 32 and a second air outlet pipe 33 are sequentially arranged on the first air outlet pipe 31 along the air flow direction, a third valve 42 and a fourth air outlet pipe 43 are sequentially arranged on the third air outlet pipe 41 along the air flow direction, a second valve 34 is arranged on the second air outlet pipe 33, a fourth valve 44 is arranged on the fourth air outlet pipe 43, the third air outlet pipe 41 extends into the second ventilation groove, and the first air outlet pipe 31 extends into the first ventilation groove;
when the battery top cover 8 is placed on the supporting piece 9, the adjusting component 14 drives the supporting piece 9 and/or the sealing piece 13 to move, so that two sides of the battery top cover 8 are respectively attached to the supporting piece 9 and the sealing piece 13, and at the moment, the projection parts of the first notch and the second notch on the explosion-proof piece 81 are completely overlapped, so that the explosion-proof piece 81 can be mutually ventilated when damaged, and whether the explosion-proof piece 81 is damaged or not can be conveniently known through sensing whether air leakage occurs.
As shown in fig. 2 and 5, the adjusting assembly 14 includes a lifting mechanism 141 and a translation mechanism 142 (the lifting mechanism 141 and the translation mechanism 142 may be air cylinders or hydraulic rods, etc.), the translation mechanism 142 can drive the support member 9 to move so as to be offset from the sealing member 13 in the vertical direction, thereby ensuring no shielding when the battery top cover 8 on the support member 9 is taken and placed, the translation mechanism 142 drives the support member 9 to move to the position right below the sealing member 13, and the lifting mechanism 141 drives the sealing member 13 to move downwards to match with the support member 9 so as to seal the explosion-proof piece 81;
in addition, the adjusting component 14 can also be a separate lifting mechanism 141, and only the supporting piece 9 and the sealing piece 13 are required to be arranged in the same vertical direction;
as shown in fig. 1, in order to facilitate the safety of taking the top cover 8 of the discharge cell, safety gratings 16 are further provided on the machine body 10, and the safety gratings 16 are located at both sides of the supporting member 9.
As shown in fig. 7, the first ventilation groove comprises a first groove 91 formed on the top surface of the supporting member 9 and a first air inlet channel 92 formed on one side of the inner wall of the first groove 91;
specifically, the first air inlet channel 92 and the first groove 91 are L-shaped, and the first air inlet channel 92 is adapted to the first air outlet pipe 31 in size;
the first ventilation groove may be a linear (perpendicular to the battery top cover 8) or L-shaped first air intake passage 92, which is not described in detail herein.
As shown in fig. 6, the second ventilation groove includes a second groove 131 formed on the bottom surface of the closure member 13 and a second air inlet channel 132 formed on one side of the inner wall of the second groove 131;
specifically, the second air inlet channel 132 and the second groove 131 are also L-shaped, and the second air inlet channel 132 is adapted to the third air outlet pipe 41 in size;
the second air intake channel 132 may be a straight line (perpendicular to the battery top cover 8) or an L-shaped second air intake channel.
When the battery top cover 8 to be detected is damaged, for facilitating subsequent gas to rapidly pass through the first vent slot and enter the second vent slot or rapidly pass through the second vent slot and enter the first vent slot, the opening sizes of the first notch and the second notch can be relatively increased, that is, as shown in fig. 6 and 7, the size of the first groove 91 is larger than the size of the first air inlet channel 92, and the size of the second groove 131 is larger than the size of the second air inlet channel 132.
As shown in fig. 3 and 4, the air supply assembly 1 is connected with at least one connecting pipe 2, one end of each connecting pipe 2 is connected with a first air outlet pipe 31 and a third air outlet pipe 41, and a pressure sensor 7 is arranged on the connecting pipe 2;
whether can know the atmospheric pressure in the connecting pipe 2 fast through pressure sensor 7 changes to judge fast whether explosion-proof piece 81 appears damaging, need not to judge whether explosion-proof piece 81 appears damaging through whether the second outlet duct 33 of manual perception and fourth outlet duct 43 give vent to anger, and can avoid traditional detecting method can't confirm the inside atmospheric pressure size of battery case through setting up pressure sensor 7, thereby can confirm that explosion-proof piece 81 of battery top cap 8 can bear how big pressure.
When the explosion-proof device is used, the battery top cover 8 to be tested is placed on the supporting piece 9, the bottom surface of the explosion-proof piece 81 is aligned with the first notch (namely the first groove 91), the supporting piece 9 is driven to move to the position right below the sealing piece 13 by adjusting the translation mechanism 142, the top surface of the explosion-proof piece 81 is aligned with the second notch (namely the second groove 131), and the lifting mechanism 141 is adjusted to drive the sealing piece 13 to move to match with the supporting piece 9 so as to seal the explosion-proof piece 81;
when the influence of the air pressure generated in the battery on the explosion-proof piece 81 is simulated, namely, the bottom surface of the explosion-proof piece 81 is detected, the second valve 34, the third valve 42 and the fifth valve 5 are opened, the first valve 32 and the fourth valve 44 are closed, the air in the air storage tank 11 is led into the connecting pipe 2 through the booster pump 12, after a certain air pressure is given (the specific air pressure in the connecting pipe 2 can be specifically sensed through the pressure sensor 7), the fifth valve 5 is closed, the air supply to the connecting pipe 2 is stopped, at the moment, the connecting pipe 2 and the third air outlet pipe 41 are in a constant pressure state, and the air pressure presses the bottom surface of the explosion-proof piece 81 on the battery top cover 8;
if the explosion-proof piece 81 is not damaged, the production of the battery top cover 8 meets the use requirement, meanwhile, in the ventilation process, whether the production of the explosion-proof piece 81 is qualified or not can be judged by sensing whether the second air outlet pipe 33 leaks or not, if the explosion-proof piece 81 leaks just after ventilation, the explosion-proof piece 81 is damaged, and is an unqualified product, and the subsequent continuous ventilation and pressurization work is not needed at the moment;
when the explosion-proof piece 81 can not bear pressure and breakage occurs or the production and processing quality of the explosion-proof piece 81 is unqualified, gas in the third gas outlet pipe 41 can pass through the battery top cover 8 and then enter the first gas outlet pipe 31, and finally flows out through the second gas outlet pipe 33, so that the gas pressure can be reduced, and whether the second gas outlet pipe 33 is in gas outlet or not can be sensed manually, preferably, the pressure sensor 7 senses the pressure reduction, so that the situation that the explosion-proof piece 81 on the battery top cover 8 is damaged and the production quality of the explosion-proof piece 81 is qualified can be rapidly judged, the traditional trouble that the battery top cover 8 is assembled on a battery box to be detected and disassembled is avoided, the time is saved, and the detection efficiency is improved.
On the contrary, when the external air pressure of the battery is simulated to influence the explosion-proof piece 81 or not, namely, when the top surface of the explosion-proof piece 81 is detected, the air needs to be re-supplied, the first valve 32, the fourth valve 44 and the fifth valve 5 are opened, the second valve 34 and the third valve 42 are closed, the air in the air storage tank 11 is led into the connecting pipe 2 through the booster pump 12, the air pressure in the connecting pipe 2 is sensed through the pressure sensor 7, when a certain air pressure is given (specifically, according to the model selection of the battery top cover 8 (namely, the explosion-proof piece 81)), the fifth valve 5 is closed, the air supply to the connecting pipe 2 is stopped, at the moment, the constant pressure state is formed between the connecting pipe 2 and the first air outlet pipe 31, and the air pressure presses the top surface of the explosion-proof piece 81 on the battery top cover 8;
if the explosion-proof piece 81 is not damaged, the production of the battery top cover 8 meets the use requirement;
when the explosion-proof sheet 81 cannot bear the pressure and is damaged, the gas in the first air outlet pipe 31 can pass through the battery top cover 8 and enter the third air outlet pipe 41, and finally flows out through the fourth air outlet pipe 43, so that the air pressure can be reduced, and whether the second air outlet pipe 33 is out or not can be sensed manually, preferably, the pressure sensor 7 senses the pressure reduction, and the explosion-proof sheet 81 on the battery top cover 8 can be rapidly judged to be damaged.
As shown in fig. 3 and 4, a fifth valve 5 is provided on the connection pipe 2, and the fifth valve 5 and the pressure sensor 7 are sequentially provided on the connection pipe 2 along the gas flow direction;
through setting up fifth valve 5, can make every group detection subassembly carry out the detection work that detects the rupture disk 81 on the battery top cap 8 of different models alone, when letting in the gaseous of certain atmospheric pressure to the connecting pipe 2 on a set of detection subassembly, close the fifth valve 5 on this detection subassembly, then the atmospheric pressure in this section of this connecting pipe 2 to first outlet duct 31 or third outlet duct 41 is unchangeable, can follow-up to letting in the connecting pipe 2 of other group detection subassemblies other atmospheric pressures, also can detect the rupture disk 81 on the battery top cap 8 of a plurality of same models simultaneously, only need synchronous opening a plurality of fifth valves 5 can, so make the suitability of device wider.
As shown in fig. 3 and 4, the connecting pipe 2 is provided with a proportional valve 6;
the flow of the gas can be controlled through the proportional valve 6 to enable the gas to slowly reach the required air pressure, so that accurate air pressure supply is realized.
As shown in fig. 6 and 7, the supporting member 9 and the sealing member 13 are provided with sealing rings 15, the sealing rings 15 are located at the peripheries of the first notch and the second notch, preferably, the size of each sealing ring 15 is larger than that of the corresponding explosion-proof piece 81, and by arranging the sealing rings 15, the sealing performance of the supporting member 9 and the sealing member 13 on the explosion-proof piece 81 can be enhanced, and the influence of poor sealing performance and air leakage of the supporting member 9 and the sealing member 13 on the explosion-proof piece 81 during detection on the detection result is avoided.
The first valve 32, the second valve 34, the third valve 42, the fourth valve 44 and the fifth valve 5 are here chosen to be explosion-proof solenoid valves.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. New energy battery top cap rupture disk pressure detection equipment detects rupture disk (81) on battery top cap (8), detection equipment includes air feed subassembly (1), its characterized in that still includes:
the battery top cover comprises at least one supporting piece (9), wherein each supporting piece (9) is provided with a first ventilation groove, the first ventilation groove is provided with a first notch, and the size of the first notch is not larger than that of the battery top cover (8);
at least one sealing piece (13), wherein a second ventilation groove is formed in each sealing piece (13), the second ventilation groove is provided with a second notch, and the size of the second notch is not larger than that of the battery top cover (8);
the device comprises at least one group of detection components, wherein each group of detection components is connected with an air supply component (1), each group of detection components comprises a first air outlet pipe (31) and a third air outlet pipe (41) which are connected with one end, a first valve (32) and a second air outlet pipe (33) are sequentially arranged on the first air outlet pipe (31) along the air flow direction, a third valve (42) and a fourth air outlet pipe (43) are sequentially arranged on the third air outlet pipe (41) along the air flow direction, a second valve (34) is arranged on the second air outlet pipe (33), a fourth valve (44) is arranged on the fourth air outlet pipe (43), the third air outlet pipe (41) extends into a second ventilation groove, and the first air outlet pipe (31) extends into the first ventilation groove;
when the battery top cover (8) is placed on the supporting piece (9), the adjusting component (14) drives the supporting piece (9) and/or the sealing piece (13) to move, so that two sides of the battery top cover (8) are respectively attached to the supporting piece (9) and the sealing piece (13), and at the moment, the projection parts of the first notch and the second notch on the explosion-proof piece (81) are partially or completely overlapped.
2. The new energy battery top cover rupture disc pressure detection apparatus of claim 1, wherein: the adjusting assembly (14) comprises a lifting mechanism (141) and a translation mechanism (142), the translation mechanism (142) drives the supporting piece (9) to move to the position right below the sealing piece (13), and the lifting mechanism (141) drives the sealing piece (13) to move downwards to be matched with the supporting piece (9) to seal the explosion-proof piece (81).
3. The new energy battery top cover rupture disc pressure detection apparatus of claim 1, wherein: the air supply assembly (1) is connected with at least one connecting pipe (2), one end of each connecting pipe (2) is connected with a first air outlet pipe (31) and a third air outlet pipe (41), and a pressure sensor (7) is arranged on each connecting pipe (2).
4. The new energy battery top cover rupture disc pressure detection apparatus of claim 1, wherein: the first ventilation groove comprises a first groove (91) formed in the top surface of the supporting piece (9) and a first air inlet channel (92) formed in one side of the inner wall of the first groove (91).
5. The new energy battery top cover rupture disc pressure detection apparatus of claim 1, wherein: the second air vent groove comprises a second groove (131) formed in the bottom surface of the sealing piece (13) and a second air inlet channel (132) formed in one side of the inner wall of the second groove (131).
6. The new energy battery top cover rupture disc pressure detection apparatus of claim 3, wherein: the connecting pipe (2) is provided with a fifth valve (5), and the fifth valve (5) and the pressure sensor (7) are sequentially arranged on the connecting pipe (2) along the gas flowing direction.
7. The new energy battery top cover rupture disc pressure detection apparatus of claim 6, wherein: the connecting pipe (2) is provided with a proportional valve (6).
8. The new energy battery top cover rupture disc pressure detection apparatus of claim 1, wherein: and sealing rings (15) are arranged on the supporting piece (9) and the sealing piece (13), and the sealing rings (15) are positioned at the peripheries of the first notch and the second notch.
9. The new energy battery top cover rupture disc pressure detection apparatus of claim 3, wherein: the air supply assembly (1) comprises an air storage tank (11) and a booster pump (12), and the connecting pipe (2) is connected with the air storage tank (11).
10. The new energy battery top cover rupture disc pressure detection apparatus of claim 6, wherein: the first valve (32), the second valve (34), the third valve (42), the fourth valve (44) and the fifth valve (5) are all explosion-proof electromagnetic valves.
CN202311387186.6A 2023-10-25 2023-10-25 New energy battery top cap rupture disk pressure detection equipment Pending CN117433911A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311387186.6A CN117433911A (en) 2023-10-25 2023-10-25 New energy battery top cap rupture disk pressure detection equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311387186.6A CN117433911A (en) 2023-10-25 2023-10-25 New energy battery top cap rupture disk pressure detection equipment

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Publication Number Publication Date
CN117433911A true CN117433911A (en) 2024-01-23

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CN202311387186.6A Pending CN117433911A (en) 2023-10-25 2023-10-25 New energy battery top cap rupture disk pressure detection equipment

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