CN207675383U - A kind of air-tightness tester - Google Patents

A kind of air-tightness tester Download PDF

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Publication number
CN207675383U
CN207675383U CN201721828661.9U CN201721828661U CN207675383U CN 207675383 U CN207675383 U CN 207675383U CN 201721828661 U CN201721828661 U CN 201721828661U CN 207675383 U CN207675383 U CN 207675383U
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China
Prior art keywords
air
test
end interface
inlet chamber
comparison
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Active
Application number
CN201721828661.9U
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Chinese (zh)
Inventor
尹高斌
刘兵华
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Shenzhen Qiangrui Precision Technology Co., Ltd.
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Shenzhen Qiangrui Electronics Co Ltd
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Priority to CN201721828661.9U priority Critical patent/CN207675383U/en
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Abstract

Include air intake assembly the utility model discloses a kind of air-tightness tester, test suite, air-leakage detector includes inlet chamber and test suite, air intake assembly includes air inlet, inlet chamber, intake valve, comparison end interface and test end interface, air inlet, comparison end interface and test end interface are connected to inlet chamber, are arranged in the upper end of inlet chamber to control air inlet, comparison end interface and test end interface and the intake valve of inlet chamber break-make simultaneously;Test suite includes differential pressure pick-up, and the both ends of differential pressure pick-up are connect with comparison end interface and test end interface respectively.This tester is simple in structure, it is easy to operate, comparison end interface and air-tightness standard component need to be only connected to comparison end by operating personnel, test end interface is connected to test lead with air-tightness part to be measured, complete inflation, test can be completed in three balance, test steps, entire tester is simple in structure, the gas circuit of test and to put road few, it is low to the required precision of instrument, it is easy to accomplish.

Description

A kind of air-tightness tester
Technical field
The utility model belongs to test equipment field, more particularly to a kind of air-tightness tester.
Background technology
Industry often uses air tightness test principle complicated at present, and gas circuit and point line structure are more, it is difficult to reach higher precision It is required that the precision and commissioning staff's technical ability to processing have very high requirement.
Such as a kind of test device for air tightness and pipeline are disclosed in the patent document of the patent No. " 106226009A " The detection method of air-tightness, the device include the cavity that can accommodate the puncture tube for selling liquid machine, the opening energy of the cavity It is enough to be connect with the seal cap sealing for selling liquid machine to form confined space, the inner cavity of the cavity and the air-tightness tester Connection.In test device for air tightness provided by the invention, the structure of cavity can preferably with the sealing cover and puncture of selling liquid machine Pipe realizes cooperation, and can accurately obtain detection data by the detection of air-tightness tester so that sells the liquid of liquid machine The air-leakage test operation of flow pipe is simpler easy.However, the apparatus structure is complicated, and it is only applied to sell the gas of liquid machine Close property test, application surface are narrow.
Utility model content
To solve the above problems, the purpose of this utility model is to provide a kind of test philosophy is simple, gas circuit and point are tested Road is few, a kind of easy to operate air-tightness tester.
Another of the utility model is designed to provide a kind of anti-slave interrupt interface of one reinforcement, and the interface structure is simple, adds Work is at low cost, easy to process, is widely used.
To achieve the above object, the technical solution of the utility model is as follows:
The utility model provides a kind of air-leakage detector, including air intake assembly and test suite, air intake assembly include into Gas port, inlet chamber, intake valve, comparison end interface and test end interface, air inlet, comparison end interface and test end interface with into Air cavity is connected to, and is existed to control air inlet, comparison end interface and test end interface and the intake valve setting of inlet chamber break-make simultaneously The upper end of inlet chamber;Test suite includes differential pressure pick-up, the both ends of differential pressure pick-up respectively with comparison end interface and test lead Interface connects.
In use, this tester need to be completed to test by following steps:
1, it inflates:Comparison end interface and air-tightness standard component are connected to comparison end, test end interface is waited for air-tightness It surveys part and is connected to test lead, open intake valve, while air inlet, comparison end and test lead and inlet chamber being conducted, air inlet Mouth air inlet, makes gas be full of air intake assembly.
2, it balances:It keeps air inlet for a period of time, ensures that entire air intake assembly is in stable pressure level.
3, it tests:Intake valve is closed, intake valve cuts off air inlet, test lead and the connection for comparing end and inlet chamber simultaneously. Test lead is connect with differential pressure pick-up respectively with comparison end, and differential pressure pick-up tests out the draught head at both ends, as there are gas at both ends Pressure difference then shows test lead there are gas leak phenomenon, and air-tightness is bad;If draught head is not present in both ends, then show that test lead is not deposited In gas leak phenomenon, air-tightness is good.
Further, air-tightness tester further includes gas deflation assembly, and gas deflation assembly includes air bleeding valve and gas vent, gas vent It is connected with inlet chamber, air bleeding valve is arranged in the gas circuit that the two is connected to.Before test is completes, air bleeding valve remains turned-off, test After the completion, air bleeding valve is opened, the gas in air intake assembly is discharged by gas vent.
Further, test suite further includes processor and alarm, and alarm includes light emitting diode and buzzer, Light emitting diode and buzzer are arranged on the shell of tester, and differential pressure pick-up, alarm are electrically connected with processor.It surveys When examination, differential pressure pick-up detects test lead and compares the pressure difference signal at end, delivers it to processor, processor control The work of audible-visual annunciator processed prompts operating personnel's test result.
Further, the test end interface of air intake assembly and comparison end interface are detachable.After long-time service, test termination Mouth and comparison end interface are likely to occur breakage, and then influence the accuracy of test, can will test end interface at this time and be terminated with comparison Mouth removes replacement, ensures the test accuracy of entire tester.
The advantage of the utility model is:This tester is simple in structure, easy to operate, and operating personnel need to only terminate comparison Mouth is connected to comparison end with air-tightness standard component, test end interface is connected to test lead with air-tightness part to be measured, completion Test can be completed in three inflation, balance, test steps, and entire tester is simple in structure, and the gas circuit of test and point road are few, to instrument The required precision of device is low, it is easy to accomplish, it is widely portable to the gas of the equipment such as mobile phone, wrist-watch, tablet, auto parts machinery and bracelet In close property test.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of air-tightness tester first angle of the utility model.
Fig. 2 is a kind of structural schematic diagram of air-tightness tester second angle of the utility model.
Fig. 3 is a kind of fundamental diagram of air-tightness tester of the utility model.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain The utility model is not used to limit the utility model.
To achieve the above object, the technical solution of the utility model is as follows:
Referring to shown in Fig. 1-3, in this embodiment, the utility model provides a kind of air-tightness tester, including into Pneumatic module 1 and test suite 2, air intake assembly 1 include air inlet 11, inlet chamber 12, intake valve 13, comparison end interface 14 and test End interface 15, air inlet 11, comparison end interface 14 and test end interface 15 are connected to inlet chamber 12, to control air inlet simultaneously Mouth 11, comparison end interface 14 and test end interface 15 and the intake valve 13 of 12 break-make of inlet chamber are arranged in the upper end of inlet chamber 12; Test suite 2 includes differential pressure pick-up 21, the both ends of differential pressure pick-up 21 respectively with comparison end interface 14 and test end interface 15 Connection.
In use, this tester need to be completed to test by following steps:
1, it inflates:Comparison end interface 14 and air-tightness standard component are connected to comparison end, test end interface 15 with it is airtight Property part to be measured be connected to test lead, open intake valve 13, while by air inlet 11, comparison end and test lead and 12 phase of inlet chamber Conducting, 11 air inlet of air inlet make gas be full of air intake assembly 1.
2, it balances:It keeps air inlet for a period of time, ensures that entire air intake assembly 1 is in stable pressure level.
3, it tests:Intake valve 12 is closed, intake valve 12 cuts off air inlet 11, test lead and comparison end and inlet chamber 12 simultaneously Connection.Test lead is connect with differential pressure pick-up 21 respectively with comparison end, and differential pressure pick-up 21 tests out the draught head at both ends, such as There are draught heads at both ends, then show test lead there are gas leak phenomenon, air-tightness is bad;If draught head is not present in both ends, then show Gas leak phenomenon is not present in test lead, and air-tightness is good.
Air-tightness tester further includes gas deflation assembly 3, and gas deflation assembly 3 includes air bleeding valve 31 and gas vent 32, gas vent 32 It is connected with inlet chamber 12, air bleeding valve 31 is arranged in the gas circuit that the two is connected to.Before test is completes, air bleeding valve 31 keeps closing It closes, after the completion of test, opens air bleeding valve 31, the gas in air intake assembly 1 is discharged by gas vent 32.
Test suite 2 further includes processor 22 and alarm 23, and alarm 23 includes light emitting diode 231 and buzzer 232, light emitting diode 231 and buzzer 232 are arranged on the shell of tester, differential pressure pick-up 21, alarm 23 with Processor 22 is electrically connected.When test, differential pressure pick-up 21 detects test lead and compares the pressure difference signal at end, which is passed Processor 22 is given, processor 22 controls the work of audible-visual annunciator 23 to prompt operating personnel's test result.
The test end interface 15 of air intake assembly 1 and comparison end interface 14 are detachable.After long-time service, end interface 15 is tested It is likely to occur breakage with comparison end interface 14, and then influences the accuracy of test, it at this time can be by test end interface 15 and comparison end Interface 14 removes replacement, ensures the test accuracy of entire tester.
The advantage of the utility model is:This tester is simple in structure, easy to operate, and operating personnel need to only terminate comparison Mouth 14 is connected to comparison end with air-tightness standard component, and test end interface 15 is connected to test lead with air-tightness part to be measured, Complete inflation, test can be completed in three balance, test steps, entire tester is simple in structure, the gas circuit of test and to put road few, It is low to the required precision of instrument, it is easy to accomplish.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all in this practicality All any modification, equivalent and improvement etc., should be included in the guarantor of the utility model made by within novel spirit and principle Within the scope of shield.

Claims (4)

1. a kind of air-tightness tester, which is characterized in that the air-tightness tester includes air intake assembly and test suite, described Air intake assembly includes air inlet, inlet chamber, intake valve, comparison end interface and test end interface, the air inlet, comparison end interface It is connected to inlet chamber with test end interface, to control air inlet, comparison end interface and test end interface and inlet chamber simultaneously The intake valve of break-make is arranged in the upper end of inlet chamber;The test suite includes differential pressure pick-up, and the two of the differential pressure pick-up End is connect with comparison end interface and test end interface respectively.
2. a kind of air-tightness tester as described in claim 1, which is characterized in that the air-tightness tester further includes exhaust Component, the gas deflation assembly include air bleeding valve and gas vent, and the gas vent is connected with inlet chamber, and the air bleeding valve setting exists In the gas circuit of the two connection.
3. a kind of air-tightness tester as described in claim 1, which is characterized in that the test suite further include processor and Alarm, the alarm include light emitting diode and buzzer, and the light emitting diode and buzzer are arranged at tester Shell on, the differential pressure pick-up, alarm are electrically connected with processor.
4. a kind of air-tightness tester as described in claim 1, which is characterized in that the test end interface of the air intake assembly with It is detachable to compare end interface.
CN201721828661.9U 2017-12-22 2017-12-22 A kind of air-tightness tester Active CN207675383U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721828661.9U CN207675383U (en) 2017-12-22 2017-12-22 A kind of air-tightness tester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721828661.9U CN207675383U (en) 2017-12-22 2017-12-22 A kind of air-tightness tester

Publications (1)

Publication Number Publication Date
CN207675383U true CN207675383U (en) 2018-07-31

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109211490A (en) * 2018-09-14 2019-01-15 克诺尔商用车系统(重庆)有限公司 Air-tightness detection device
WO2020118996A1 (en) * 2018-12-13 2020-06-18 张家港中天精密模塑有限公司 Air-tightness detection device for pipeline

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109211490A (en) * 2018-09-14 2019-01-15 克诺尔商用车系统(重庆)有限公司 Air-tightness detection device
WO2020118996A1 (en) * 2018-12-13 2020-06-18 张家港中天精密模塑有限公司 Air-tightness detection device for pipeline

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GR01 Patent grant
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CP03 Change of name, title or address

Address after: 518000 Building C, 308 Fifth Avenue, Zhangkengjie Community, Guanhu Street, Longhua District, Shenzhen City, Guangdong Province, 1-5 floors

Patentee after: Shenzhen Qiangrui Precision Technology Co., Ltd.

Address before: 518000 Workshop of Yijia Science Park, Fuqian Road, Guanlan Street, Longhua New District, Shenzhen City, Guangdong Province

Patentee before: SHENZHEN QIANGRUI ELECTRONICS CO., LTD.

CP03 Change of name, title or address