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CN220018871U - Two-way airtight tester of discharge valve - Google Patents

Two-way airtight tester of discharge valve Download PDF

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Publication number
CN220018871U
CN220018871U CN202321610837.9U CN202321610837U CN220018871U CN 220018871 U CN220018871 U CN 220018871U CN 202321610837 U CN202321610837 U CN 202321610837U CN 220018871 U CN220018871 U CN 220018871U
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Prior art keywords
detection
air
airtight
exhaust valve
pressure
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CN202321610837.9U
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Inventor
洪伟宏
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Shantou Manton Plastic Co ltd
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Shantou Manton Plastic Co ltd
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Abstract

The utility model discloses a bi-directional airtight tester for an exhaust valve. The device comprises a switch control part, an air pressure control part, a detection setting part, a detection monitoring part, a micro-motion airtight detection part and an air supply switching part which are arranged on a shell, wherein a detection air source of the air supply switching part is connected with an air inlet of a two-way airtight tester of an exhaust valve through an air source oil mist separation pressure regulator, the switch control part is connected with the detection setting part and the micro-motion airtight detection part, and the air pressure control part, the detection monitoring part and the micro-motion airtight detection part are connected with a detection air source of the air supply switching part, a vacuum pump and an air pressure diverter set. The utility model has the advantages that: the pressure value of the bidirectional test can be set according to the test requirement through the positive and negative pressure adjusting knob, the intelligent air valve has high sensitivity, has an overrun alarm function, is good in operation safety, can meet the market detection requirement, is high in automation test degree, effectively improves the efficiency, saves the labor cost, realizes the rapid and accurate test of the air valve, and improves the test efficiency and the test quality.

Description

Two-way airtight tester of discharge valve
Technical Field
The utility model relates to the technical field of air valve air tightness detection equipment, in particular to an exhaust valve bidirectional air tightness tester.
Background
The exhaust valve has the function of keeping the inside of the storage space in a closed state and isolated from the outside air, and can be suitable for sealing protection of the packaging of foods, such as; packaging material for fluid and powder products such as milk, beef tallow, fruit pulp, chemical industry, fruit juice, flavoring agent, etc. The air tightness requirement of the exhaust valve applied to the field is high, and if the air tightness of the exhaust valve used does not meet the use requirement, the sealed product is easy to deteriorate, and the use of the product is influenced.
At present, a manual test mode is mainly adopted for the air tightness test mode of the exhaust valve, and the existing test mode has the problems of high test operation requirement, inaccurate test result, low test efficiency and the like. Therefore, a new exhaust valve testing apparatus is needed to improve testing accuracy and efficiency.
Disclosure of Invention
The utility model aims to solve the defects of the conventional exhaust valve air tightness detection, and provides the exhaust valve bidirectional air tightness tester which is convenient to set, comprehensive and rapid in test, high in test efficiency and accurate in detection result.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an exhaust valve two-way airtight tester, including installing on the casing switch control portion, atmospheric pressure control portion, detect setting portion, detect monitoring portion, fine motion airtight detection portion and air feed switching portion, switch control portion is used for controlling the switch of exhaust valve two-way airtight tester, atmospheric pressure control portion is used for controlling the confession of detecting the atmospheric pressure and stops action and the atmospheric pressure size, detect setting portion and be used for setting up the action of fine motion airtight detection portion, detect monitoring portion and be used for monitoring and showing exhaust valve two-way airtight tester's test pressure and test flow, fine motion airtight detection portion is used for contacting with exhaust valve and testing exhaust valve's gas tightness, air feed switching portion is used for providing and the allotment detects the air current flow direction.
The air supply switching part is connected with the air inlet of the exhaust valve bidirectional airtight tester through an air supply oil mist separation pressure regulator, and the air supply oil mist separation pressure regulator is used for setting the detection working pressure of the exhaust valve bidirectional airtight tester and keeping the air flow provided by the detection air supply dry.
Further, the switch control part is connected with the detection setting part and the micro-motion airtight detection part, the air pressure control part, the detection monitoring part and the micro-motion airtight detection part are connected with the detection air source, the vacuum pump and the air pressure shunt group of the air supply switching part, and the detection setting part is connected with and controls the micro-motion airtight detection part to act.
Further, fine motion airtight detection portion includes airtight detection mechanism of lift and fine motion installation detection mechanism, the airtight detection head that is equipped with in the below of the lift connecting rod of the airtight detection cylinder of lift airtight detection mechanism, it has the air vent to open in the middle of the airtight detection head, array is equipped with the pressure measurement screens blind hole in the discharge valve mount pad of fine motion installation detection mechanism, pressure measurement screens blind hole upper end is equipped with the installation fixed mouth, discharge valve mount pad below is connected with micro-gap switch, micro-gap switch drives discharge valve mount pad rotation and control fine adjustment discharge valve mount pad rotate to the gas tightness test station, airtight detection head sets up pressure measurement screens blind hole top, open in the middle of the lift connecting rod of lift airtight detection mechanism has the air vent, the air vent upper end with the air feed switching portion passes through the trachea and is connected, the lower extreme of air vent with the air vent aligns, realizes the detection of the gas tightness of discharge valve by air feed switching portion UNICOM airtight detection head and pressure measurement screens blind hole cooperation.
Preferably, the lifting connecting rod of the airtight detection cylinder is provided with a detection stroke limiting block, the lower pressure limit of the airtight detection cylinder is limited by the detection stroke limiting block, the detected exhaust valve is prevented from being crushed, and the safety protection performance is good.
Preferably, at least three pressure measurement screens blind holes are arranged in the exhaust valve mounting seat, so that three exhaust valves to be detected can be placed simultaneously, and the air tightness testing efficiency is improved.
Preferably, the detection contact end of the airtight detection head is conical, so that the airtight detection head can be combined with the installation fixing port more tightly, and the test precision of the air tightness of the exhaust valve is improved.
Furthermore, the airtight detection head is a polyurethane airtight inflation head, and the polyurethane airtight inflation head keeps elastic contact when being contacted with the exhaust valve and better protects the surface of the exhaust valve which is correspondingly detected from being damaged.
Preferably, the switch control part comprises a power switch and a power indicator lamp, and the operation stop of the tester is controlled by the power switch.
Preferably, the air pressure control part comprises an air cylinder switch, a positive and negative pressure change-over switch and a positive and negative pressure adjusting knob, wherein the air cylinder switch is connected with the detection air source and the vacuum pump and controls the opening and closing actions of the detection air source and the vacuum pump, the positive and negative pressure change-over switch is connected with the air pressure shunt group, and the positive and negative pressure adjusting knob is connected with and controls the output pressure of the detection air source and the vacuum pump.
Preferably, the detection setting part comprises an airtight detection setting interactive interface, and the airtight detection setting interactive interface is connected with and controls the airtight detection cylinder and the micro switch to act.
Furthermore, the touch setting interaction interface is provided with a corresponding detection clamping position parameter setting interface, and when the touch setting interaction interface is used, an operator can set detection action parameters of each detection clamping position according to detection requirements, wherein the detection action parameters comprise stamping time of an airtight detection cylinder, inflation time and pressure maintaining time of an airtight detection head and the like.
Preferably, the detecting and monitoring part comprises a detecting gas flow monitoring meter and a detecting gas pressure monitoring meter, and the detecting gas flow monitoring meter and the detecting gas pressure monitoring meter are connected with the detecting gas source and the vacuum pump. And when the experimental air pressure is set, the numerical value of a digital display barometer is observed, and the air pressure reducing valve is adjusted according to the experimental requirement to adjust the air pressure to the required pressure. The flowmeter monitors the continuous passing state of the airflow in real time in the experimental process.
Preferably, the air pressure of the two-way airtight tester of the exhaust valve is 0.6Mpa-0.75Mpa, further, the air pressure is set to be 0.6Mpa, and the air pressure must be kept to be operated under a stable dry air source of 0.6Mpa-0.75 Mpa. Otherwise, unstable operation and inaccurate detection are caused. Further, the test pressure range of the exhaust valve bidirectional airtight tester is 0.1mbar-20mbar.
Compared with the prior art, the utility model has the advantages that:
according to the utility model, multi-station air tightness automatic test is adopted, each test station is an operation unit and is provided with an independent operation detection system, the operation parameters of each station are quickly set in advance through the air tightness detection setting interactive interface of the detection setting part, the test parameter setting is easy to adjust, and the operation is simple.
The utility model adopts the positive and negative pressure switching to realize a bidirectional airtight test structure, the positive and negative pressure switching operation is convenient and quick to react, and the numerical value of the digital display barometer can be intuitively observed when the test experiment air pressure is set by combining the detection air flow monitoring meter and the detection air pressure monitoring meter, the air pressure is adjusted to the required pressure according to the detection requirement, and the continuous passing state of the air flow is monitored in real time in the test process.
The polyurethane airtight inflation head is used as an airtight detection head, so that elastic contact is kept when the polyurethane airtight inflation head is contacted with the exhaust valve, and the surface of the exhaust valve which is correspondingly detected is better protected from being damaged.
The exhaust valve mounting seat and the micro switch are combined to meet the accurate test requirement of each product.
The utility model can set the pressure value of the bidirectional test according to the test requirement through the positive and negative pressure adjusting knob, has high sensitivity and has the overrun alarm function, and the operation safety is good.
The utility model meets the market detection requirement, has advanced design idea, compact processing means, strict reliability of quality inspection and high degree of automatic test, effectively improves the efficiency, saves the labor cost, realizes the rapid and accurate test of the exhaust valve, and improves the test efficiency and quality.
Drawings
Fig. 1 is a schematic diagram of the front structure of the present utility model.
Fig. 2 is a schematic side view of the present utility model.
FIG. 3 is a schematic view of the internal air flow connection structure of the present utility model.
Fig. 4 is a schematic top view of the exhaust valve mounting seat of the present utility model.
Detailed Description
The utility model is further described below in connection with the following detailed description. Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, it is only for convenience of describing the present utility model and simplifying the description, but it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus terms describing the positional relationship in the drawings are merely illustrative and should not be construed as limitations of the present patent, and specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances.
The utility model is further described with reference to the following specific examples and the accompanying drawings:
fig. 1 to 4 are respective structural schematic diagrams of the present utility model. Further, the utility model relates to a bi-directional airtight tester for an exhaust valve, which comprises a switch control part, an air pressure control part, a detection setting part, a detection monitoring part, a micro-motion airtight detection part and an air supply switching part which are arranged on a shell, wherein the switch control part is used for controlling the switch of the bi-directional airtight tester for the exhaust valve, the air pressure control part is used for controlling the supply and stop actions and the air pressure of the detected air pressure, the detection setting part is used for setting the actions of the micro-motion airtight detection part, the detection monitoring part is used for monitoring and displaying the test pressure and the test flow of the bi-directional airtight tester for the exhaust valve, the micro-motion airtight detection part is used for contacting with the exhaust valve and testing the air tightness of the exhaust valve, and the air supply switching part is used for providing and allocating the detected air flow direction.
The detection air source 61 of the air supply switching part is connected with an air inlet of the exhaust valve bidirectional airtight tester through an air source oil mist separation pressure regulator 9, and the air source oil mist separation pressure regulator 9 is used for setting the detection working pressure of the exhaust valve bidirectional airtight tester and keeping the air flow provided by the detection air source 61 dry.
Further, the switch control part is connected with the detection setting part and the micro-motion airtight detection part, the air pressure control part, the detection monitoring part and the micro-motion airtight detection part are connected with the detection air source 61, the vacuum pump 62 and the air pressure diverter group 63 of the air supply switching part, and the detection setting part is connected with and controls the micro-motion airtight detection part to act.
Further, the micro-motion airtight detection portion comprises a lifting airtight detection mechanism 7 and a micro-motion installation detection mechanism 8, an airtight detection head 72 is arranged below a lifting connecting rod of an airtight detection cylinder 71 of the lifting airtight detection mechanism 7, a vent hole 73 is formed in the middle of the airtight detection head 72, a pressure measurement clamping blind hole 82 is arranged in an array in an exhaust valve installation seat 81 of the micro-motion installation detection mechanism 8, an installation fixing opening 83 is formed in the upper end of the pressure measurement clamping blind hole 82, the lower portion of the exhaust valve installation seat 81 is connected with a micro-motion switch, the micro-motion switch drives the exhaust valve installation seat 81 to rotate and control the micro-motion exhaust valve installation seat 81 to rotate to an airtight test station, the airtight detection head 72 is arranged above the pressure measurement clamping blind hole 82, an air guide hole is formed in the middle of the lifting connecting rod of the lifting airtight detection mechanism 7, the upper end of the air guide hole is connected with the air supply switching portion through an air pipe, the lower end of the air guide hole is aligned with the vent hole 73, and the airtight detection 72 is communicated with the pressure measurement clamping blind hole 82 through the air guide hole.
Preferably, the lifting link of the airtight detection cylinder 71 is provided with a detection stroke limiting block 74, and the detection stroke limiting block 74 is arranged to limit the pressing limit of the airtight detection cylinder 71, so that the detected exhaust valve is ensured not to be crushed, and the safety protection performance is good.
Preferably, at least three pressure measuring clamping blind holes 82 are arranged in the exhaust valve mounting seat 81, so that three exhaust valves to be detected can be simultaneously placed, and the air tightness testing efficiency is improved.
Preferably, the detection contact end of the airtight detection head 72 is tapered, so that the airtight detection head 72 can be combined with the mounting fixing hole 83 more tightly, and the accuracy of testing the air tightness of the exhaust valve is improved.
Further, the airtight detecting head 72 is a polyurethane airtight inflating head, and the polyurethane airtight inflating head is kept in elastic contact with the exhaust valve when being in contact with the exhaust valve, and better protects the surface of the exhaust valve corresponding to detection from damage.
Preferably, the switch control part includes a power switch 11 and a power indicator 12, and controls the operation stop of the tester through the power switch 11.
Preferably, the air pressure control part comprises an air cylinder switch 21, a positive and negative pressure change-over switch 22 and a positive and negative pressure adjusting knob 23, wherein the air cylinder switch 21 is connected with a detection air source 61 and a vacuum pump 62 and controls the opening and closing actions of the detection air source 61 and the vacuum pump 62, the positive and negative pressure change-over switch 22 is connected with the air pressure shunt group 63, and the positive and negative pressure adjusting knob 23 is connected with and controls the output pressure of the detection air source 61 and the vacuum pump 62.
Preferably, the detection setting part includes an airtight detection setting interaction interface 31, and the airtight detection setting interaction interface 31 is connected to control the airtight detection cylinder 71 and the micro switch to act.
Further, the touch setting interactive interface is provided with a corresponding detection clamping position parameter setting interface, and when the touch setting interactive interface is used, an operator can set detection action parameters of each detection clamping position according to detection requirements, wherein the detection action parameters comprise stamping time of the airtight detection cylinder 71, inflation time and pressure maintaining time of the airtight detection head 72, and the like.
Preferably, the detecting and monitoring part includes a detecting gas flow rate monitor meter 41 and a detecting gas pressure monitor meter 42, and the detecting gas flow rate monitor meter 41 and the detecting gas pressure monitor meter 42 are connected to the detecting gas source 61 and the vacuum pump 62. And when the experimental air pressure is set, the numerical value of a digital display barometer is observed, and the air pressure reducing valve is adjusted according to the experimental requirement to adjust the air pressure to the required pressure. The flowmeter monitors the continuous passing state of the airflow in real time in the experimental process.
Preferably, the air pressure of the two-way airtight tester of the exhaust valve is 0.6Mpa-0.75Mpa, further, the air pressure is set to be 0.6Mpa, and the air pressure must be kept to be operated under a stable dry air source of 0.6Mpa-0.75 Mpa. Otherwise, unstable operation and inaccurate detection are caused. Further, the test pressure range of the exhaust valve bidirectional airtight tester is 0.1mbar-20mbar.
Test examples
Before the test, the power switch 11 is pressed down, and the exhaust valve bidirectional air tightness tester is started. The working air pressure provided by the detection air source 61 of the exhaust valve bidirectional airtight tester is set to be 0.6Mpa through the air source oil mist separation pressure regulator 9, so that stable operation and accurate detection are ensured. The airtight detection setting interactive interface 31 of the detection setting part is operated according to the detection requirement of the test exhaust valve, and the test parameters such as the punching time, the inflation time, the dwell time and the like of the lifting airtight detection mechanism 7 for the test station of each pressure measurement clamping blind hole 82 in the exhaust valve installation seat 81 are set.
The positive and negative pressure values at the time of the test are set and adjusted by operating the positive and negative pressure change-over switch 22 and the positive and negative pressure adjusting knob 23.
When the exhaust valve is subjected to air tightness test, each exhaust valve to be tested is embedded and fixed in the mounting fixing port 83, and the positive and negative pressure change-over switch 22 is switched to the positive pressure air source for access. The air pressure diverter set 63 switches the air supply provided by the detection air supply 61 to a positive pressure air supply and blows out micro-positive pressure air flow from the vent hole 73 through the air pipe. The micro-motion air tightness detection part operates to perform air tightness detection. The cylinder switch 21 is pressed down, the airtight detection cylinder 71 drives the airtight detection head 72 to press down until the exhaust valve of the first station to be tested is pressed against the mounting fixing port 83, the airtight detection head 72 carries out positive airtight test on the exhaust valve according to preset punching time, inflation time and dwell time, the positive airtight reference value of the exhaust valve can be intuitively obtained through the feedback display values of the detection gas flow monitoring table 41 and the detection gas pressure monitoring table 42 of the detection monitoring part, then the positive and negative pressure switch 22 is operated to switch in the negative pressure gas source, the gas pressure diverter group 63 is combined with the vacuum pump 62 to switch the gas source into the negative pressure gas source and suck micro negative pressure gas flow from the vent hole 73 through the gas guide hole, the airtight detection head 72 carries out negative airtight test on the exhaust valve, and the reverse airtight reference value of the exhaust valve is intuitively obtained through the feedback display of the detection monitoring part.
After the bidirectional air tightness test of the exhaust valve of the first station to be tested is completed, the air tightness detection cylinder 71 drives the air tightness detection head 72 to ascend and reset, the micro switch drives the exhaust valve mounting seat 81 to rotate, the exhaust valve mounting seat 81 is enabled to rotate to the second station to be tested, the cylinder switch 21 is pressed down again, and the bidirectional air tightness test is carried out on the exhaust valve placed at the second station to be tested by repeating the test steps.
It is to be understood that the above examples of the present utility model are provided by way of illustration only and not by way of limitation of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. The utility model provides an exhaust valve bidirectional airtight tester which characterized in that, including installing on the casing switch control portion, atmospheric pressure control portion, detection setting portion, detection monitoring portion, fine motion airtight detection portion and air feed switching portion, be connected through air supply oil mist separation pressure regulator (9) between the air inlet of the two-way airtight tester of air feed switching portion's detection air source (61) and exhaust valve, switch control portion with detection setting portion reaches fine motion airtight detection portion is connected, atmospheric pressure control portion with detection monitoring portion with detection air source (61) of air feed switching portion, vacuum pump (62) and atmospheric pressure shunt group (63) are connected, detection setting portion connects and controls fine motion airtight detection portion action, fine motion airtight detection portion includes lift airtight detection mechanism (7) and fine motion installation detection mechanism (8), the lift connecting rod below of the airtight detection cylinder (71) of lift airtight detection mechanism (7) is equipped with airtight detection head (72), open in the middle of airtight detection head (72) has air vent (73), be equipped with in the seat (81) of fine motion installation detection mechanism (8) and be equipped with card position array (82) in the seat (81) of pressure measurement position, be equipped with on the seat of pressure measurement (82) and air discharge valve (82) side of being connected with the seat of air discharge valve (82) and air-tight detection position of hole (82), an air guide hole is formed in the middle of a lifting connecting rod of the lifting airtight detection mechanism (7), the upper end of the air guide hole is connected with the air supply switching part through an air pipe, and the lower end of the air guide hole is aligned with the air vent (73).
2. The exhaust valve bidirectional air tightness tester according to claim 1, wherein a detection stroke limiting block (74) is arranged on a lifting connecting rod of the air tightness detection cylinder (71).
3. The bi-directional airtight tester for exhaust valves according to claim 1, wherein at least three pressure measuring clamping blind holes (82) are arranged in the exhaust valve mounting seat (81).
4. The bi-directional airtight tester for exhaust valve according to claim 1, wherein the detection contact end of the airtight detection head (72) is tapered.
5. The exhaust valve bidirectional airtightness tester according to one of claims 1 or 4, wherein the airtightness detection head (72) is a polyurethane airtight inflation head.
6. The exhaust valve bidirectional air tightness tester according to claim 1, wherein the switch control portion includes a power switch (11) and a power indicator lamp (12).
7. The exhaust valve bidirectional airtight tester according to claim 1, wherein the air pressure control part comprises an air cylinder switch (21), a positive and negative pressure change-over switch (22) and a positive and negative pressure adjusting knob (23), the air cylinder switch (21) is connected with a detection air source (61) and a vacuum pump (62) and controls the opening and closing actions of the detection air source (61) and the vacuum pump (62), the positive and negative pressure change-over switch (22) is connected with the air pressure shunt group (63), and the positive and negative pressure adjusting knob (23) is connected and controls the output pressures of the detection air source (61) and the vacuum pump (62).
8. The exhaust valve bidirectional airtightness tester according to claim 1, wherein the detection setting part comprises an airtightness detection setting interaction interface (31), and the airtightness detection setting interaction interface (31) is connected to control the airtightness detection cylinder (71) and the micro switch to act.
9. The exhaust valve bidirectional airtight tester according to claim 1, wherein the detection monitoring section includes a detection gas flow rate monitoring meter (41) and a detection gas pressure monitoring meter (42), the detection gas flow rate monitoring meter (41) and the detection gas pressure monitoring meter (42) being connected with the detection gas source (61) and the vacuum pump (62).
10. The bi-directional airtight tester for an exhaust valve according to claim 1, wherein the operating air pressure of the bi-directional airtight tester for an exhaust valve is 0.6Mpa to 0.75Mpa, and the testing pressure of the bi-directional airtight tester for an exhaust valve ranges from 0.1mbar to 20mbar.
CN202321610837.9U 2023-06-25 2023-06-25 Two-way airtight tester of discharge valve Active CN220018871U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321610837.9U CN220018871U (en) 2023-06-25 2023-06-25 Two-way airtight tester of discharge valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321610837.9U CN220018871U (en) 2023-06-25 2023-06-25 Two-way airtight tester of discharge valve

Publications (1)

Publication Number Publication Date
CN220018871U true CN220018871U (en) 2023-11-14

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CN202321610837.9U Active CN220018871U (en) 2023-06-25 2023-06-25 Two-way airtight tester of discharge valve

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117870986A (en) * 2024-03-12 2024-04-12 浙江明禾新能科技股份有限公司 Air tightness tester

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117870986A (en) * 2024-03-12 2024-04-12 浙江明禾新能科技股份有限公司 Air tightness tester
CN117870986B (en) * 2024-03-12 2024-05-31 浙江明禾新能科技股份有限公司 Air tightness tester

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