CN207600696U - Air tightness detection apparatus - Google Patents
Air tightness detection apparatus Download PDFInfo
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- CN207600696U CN207600696U CN201721824354.3U CN201721824354U CN207600696U CN 207600696 U CN207600696 U CN 207600696U CN 201721824354 U CN201721824354 U CN 201721824354U CN 207600696 U CN207600696 U CN 207600696U
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Abstract
The utility model is related to a kind of air tightness detection apparatus, including pneumatic supply access component, the leak detector with voltage regulation function, the control valve group for controlling detection ordering and multiple detection port integrated packages, each port integrated package that detects includes at least one detection port；Pneumatic supply access component is connect with leak detector, and leak detector is connect with control valve group, and control valve group is connect with detection port integrated package, and detection port is respectively with treating that airtight detection object is connect.Air pressure environment needed for component access is accessed by pneumatic supply, access air pressure is adjusted using the leak detector with voltage regulation function, and the air pressure environment with accurate atmospheric pressure value is exported to multigroup test side mouthful integrated package, the detection ordering of multiple detection port integrated packages is controlled by control valve group, when one of which carries out airtight detection, remaining group is prepared work, save detection time, and detection port integrated package includes more than one detection port, effectively increases detection efficiency.
Description
Technical field
This application involves airtight detection technique field, more particularly to a kind of air tightness detection apparatus.
Background technology
With the development of science and technology, the requirement to each product facility is also higher and higher, to ensure its service life and peace
Quan Xing, wherein, air-leakage test is exactly an important technology.
Current automobile-used nylon tube be exactly it is a kind of need to carry out air seal test, could be used in a state that airtight detection is qualified
Device, existing air tightness detection equipment usually carries out air-leakage test, current airtight detection method by using low pressure
Detection efficiency is relatively low.
Invention content
Based on this, it is necessary to for the low problem of detection efficiency, provide a kind of air tightness detection apparatus for improving detection efficiency.
A kind of air tightness detection apparatus, including pneumatic supply access component, the leak detector with voltage regulation function, control detection ordering
Control valve group and it is multiple detection port integrated package, it is each it is described detection port integrated package include at least one test side
Mouthful；The pneumatic supply access component is connect with leak detector, and the leak detector is connect with the control valve group, the control valve group
Part is connect respectively with multiple detection port integrated packages, and detection port is respectively with treating in each detection port integrated package
Airtight detection object connection.
Above-mentioned air tightness detection apparatus accesses the air pressure environment needed for component access, using with pressure regulation work(by pneumatic supply
The leak detector of energy is adjusted access air pressure, and exports the air pressure environment with accurate atmospheric pressure value to multigroup test side mouthful and integrate
Component controls the detection ordering of multiple detection port integrated packages by control valve group, when one of which carries out airtight detection
When, remaining group is prepared work, saves detection time, and detects port integrated package and include more than one test side
Mouthful, effectively increase detection efficiency.
The pneumatic supply access component includes positive pressure source access component in one of the embodiments, and the positive pressure source connects
Enter component to connect with the leak detector.
Filter and/or drier, the positive pressure source access component and the mistake are further included in one of the embodiments,
Filter and/or drier connection, the filter and/or drier are connect with the leak detector.
Pressure regulator valve is further included in one of the embodiments, and the positive pressure source access component is connect with the pressure regulator valve, institute
Pressure regulator valve is stated to connect with the leak detector.
The pressure regulator valve includes pressure charging valve and/or pressure reducing valve in one of the embodiments, and the positive pressure source accesses component
Connect respectively with the pressure charging valve and/or the pressure reducing valve, the pressure charging valve and/or the pressure reducing valve respectively with the leak detector
Connection.
The pneumatic supply access component includes negative pressure source access component in one of the embodiments, and the negative pressure source connects
Enter component to connect with the leak detector.
Further include the vaccum processor with damper element in one of the embodiments, the vaccum processor connection with
The negative pressure source access component connection.
Gas storage unit is further included in one of the embodiments, and the pneumatic supply access component connects with the gas storage unit
It connects, the gas storage unit is connect with the leak detector.
Baroceptor, the pneumatic supply access component and the air pressure sensing are further included in one of the embodiments,
Device connects, and the baroceptor is connect with the leak detector.
In one of the embodiments, it is characterized in that, further including the fixture that airtight detection object is treated in installation, the fixture
It is connect with the detection port of the detection port integrated package.
Description of the drawings
Fig. 1 is the structure chart of the application air tightness detection apparatus in one embodiment；
Fig. 2 is the structure chart of air tightness detection apparatus in the application another embodiment；
Fig. 3 is the structure chart of air tightness detection apparatus in the application another embodiment.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the object, technical solution and advantage for making the application are more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, and
It is not used in restriction the application.
Unless otherwise defined, all of technologies and scientific terms used here by the article and belong to the technical field of the application
The normally understood meaning of technical staff is identical.The term used in the description of the present application is intended merely to description tool herein
Body embodiment purpose, it is not intended that in limitation the application.
As shown in Figure 1, a kind of air tightness detection apparatus, including pneumatic supply access component 100, the leak detector with voltage regulation function
200th, the control valve group 300 of control detection ordering and multiple detection port integrated packages 400, it is each to detect port integrated package
400 include at least one detection port；Pneumatic supply access component 100 is connect with leak detector 200, leak detector 200 and control valve group
Part 300 connects, and control valve group 300 is connect respectively with multiple detection port integrated packages 400, each to detect port integrated package
Port is detected in 400 respectively with treating that airtight detection object is connect.
Pneumatic supply access component 100 refers to connect with pneumatic supply, for providing the interface module in gentle pressure ring border for device,
Wherein, pneumatic supply can refer to positive pressure source of the air pressure higher than atmospheric pressure or refer to air pressure less than atmospheric pressure
Negative pressure source.
Leak detector 200 refers to detect pipeline or liquid or the instrument of gas leakage in container, the leakage inspection of general workpiece
It looks into mostly using water seaoning or suds spray coating method, workpiece is differentiated with the presence or absence of leakage according to the range estimation of tester, it is difficult to disappear
Except influence of the human factor to test result, while also determine that it can not quantitatively measure the slip of workpiece, leak detector 200
Using high-precision electronic pressure transmitter, air source is accessed, and air pressure is adjusted by testing requirements, stable detection is provided
Then air source is pressurized to by equipment on measured workpiece, after inside workpiece pressure reaches detection pressure, when gas passes through one section
Between stabilization after enter detection-phase, when detected workpiece is not revealed, detect pressure be held essentially constant, work as measured workpiece
There are leakage, the gas pressure in workpiece gradually declines as gas is revealed from measured workpiece, can detect and show and let out
Leakage value may determine that whether product is qualified by specifically leakage value, and pressure sensor exports corresponding pressure change in real time, into
And by pre-set parameter, whether system automatic decision is revealed, the automation of detection process complete system, eliminates human factor
Influence, the leak detection range of leak detector 200 can be -100KPa~1500KPa.
Control valve group 300 refers to more logical control valves or containing multiple control valve, and detection port can be controlled to integrate group
The component of part detection ordering, specifically, can by setting the detection time of each group of detection port, when one group of detection port into
During row detection, other groups carry out other preparations, such as the installation with airtight detection object, when detection time, which reaches, to be set
Between when, closing completed the corresponding control valve of detection group, and it is corresponding to open the next group of detection port for having completed preparation
Control valve group 300, wherein, the opening sequence of control valve group 300 can be arranged according to the position of multigroup detection port
Row.
Detection port integrated package 400 refers to the component being made of multigroup detection port, every group of detection port integrated package
400 include at least one detection port, so as to form with it is multigroup it is multiple detection ports detection port integrated packages 400,
Detection port specifically, can include two groups of detection port integrated packages of A, B, every group of detection with treating that airtight detection object is connect
Port integrated package has 5 detection ports, using two groups of alternate modes of A, B, when A groups carry out air seal test, B
Group carries out preparation to be tested until the detection of A groups terminates, and alternately, test efficiency can be effectively ensured in two groups of A/B.Wherein, it treats
Airtight detection object can refer to that the needs such as electronic product, electronic component, automobile component, medical instrument keep good air-tightness
Structural member, such as smartwatch, the devices such as the micro-element of mobile phone equipment, automobile-used nylon tube, by being set to detection port
Complete air-leakage test.
Above-mentioned air tightness detection apparatus accesses component 100 by pneumatic supply and accesses required air pressure environment, using with pressure regulation
The leak detector 200 of function is adjusted access air pressure, and exports the air pressure environment with accurate atmospheric pressure value to multigroup test side
Mouth integrated package 400 controls the detection ordering of multigroup detection port integrated package 400 by control valve group 300, when wherein one
When group carries out airtight detection, remaining group is prepared work, saves detection time, and detects port integrated package 400 and include
More than one detection port, effectively increases detection efficiency.
As shown in Figures 2 and 3, pneumatic supply access component 100 includes positive pressure source access component in one of the embodiments,
110, positive pressure source access component 110 is connect with leak detector 200.
Positive pressure refers to the gaseous state higher than the gas pressure of an atmospheric pressure, and accessing component 110 by positive pressure source can be with
The pneumatic supply of connection input positive pressure, is delivered to leak detector 200, required positive pressure environment is provided for detection device.Wherein, positive pressure source
It can be using input air pressure as the compressed air of 0.45MPa~0.69MPa.
Further include filter 120 and/or drier 130 in one of the embodiments, positive pressure source access component 110 with
Filter 120 and/or drier 130 connect, and filter 120 and/or drier 130 are connect with leak detector 200.
Filter 120 refers to carry out for the powder dust particle of the different-grain diameter in air by the effect of porous filter material
It captures, and the equipment that gas is made to be purified, filter 120, which can be used for filtering from positive pressure source, accesses what is accessed in component 110
Impurity in compressed air, drier 130 refer to access in the compressed air accessed in component 110 for handling from positive pressure source
The device of moisture can set filter 120 or drier 130 according to testing requirements, can also set filter 120 simultaneously
With drier 130, it is ensured that into leak detector 200 and treat that the airtight gas for detecting object is clean, dry anhydrous air.
Pressure regulator valve is further included in one of the embodiments, and positive pressure source access component 110 is connect with pressure regulator valve, pressure regulator valve
It is connect with leak detector 200.
Pressure regulator valve refers to the regulating device for adjusting air pressure size, specifically, can be increase pressure can also subtract
Small pressure, by pressure regulator valve can realize high pressure detection or realize low pressure detect, can also by simultaneously set increase pressure and
The regulating valve realization for reducing pressure has both the function of low pressure detection and high pressure detection.
Pressure regulator valve includes pressure charging valve 150 and/or pressure reducing valve 140, positive pressure source access component in one of the embodiments,
110 connect respectively with pressure charging valve 150 and/or pressure reducing valve 140, pressure charging valve 150 and/or pressure reducing valve 140 respectively with leak detector 200
Connection.
Pressure charging valve 150 refers to the pressure source according to access, pressure is adjusted the device to increase air pressure, specifically,
The pressure of 0.45MPa~0.69MPa pressure sources can be increased to 1.5MPa, the detection environment of high pressure is provided.Pressure reducing valve 140 is
Refer to according to detection needs, reduce the adjusting means of air pressure, specifically, can be needed according to detection by air pressure adjustment to 0~~
0.69MPa to reduce the regulated quantity of leak detector 200, saves the operating pressure of working time and leak detector 200.
Pneumatic supply access component 100 includes negative pressure source access component 180, negative pressure source access in one of the embodiments,
Component 180 is connect with leak detector 200.
Negative pressure source refers to provide the air pressure processing apparatus of vacuum environment, and negative pressure source access component 180 can be provided for device
The detection environment of negative pressure convenient for the airtight detection for treating airtight detection object for needing to detect by vacuum environment, makes airtight inspection
Surveying device has a variety of detection functions.
The vaccum processor 190 with damper element is further included in one of the embodiments, and vaccum processor 190 connects
It is connect with negative pressure source access component 180.
Vaccum processor 190 refers to the gas for extracting in the component being attached thereto, and the components interior is made to be in vacuum
State provides the detection environment of negative pressure, and specifically, vaccum processor 190 can be vacuum pump, and vacuum detecting may range from-
1.3KPa~-100KPa.Vaccum processor 190 with damper element can reduce the generation of noise, avoid generating environment
Noise pollution.
Gas storage unit 160 is further included in one of the embodiments, and pneumatic supply access component 100 connects with gas storage unit 160
It connects, gas storage unit 160 is connect with leak detector 200.
Gas storage unit 160 refers to the atmospheric ambient gas for storing positive pressure or negative pressure, and main function is that buffering makes gas supply
More stablize, reduce the frequent starting of pneumatic supply, and required stabilization air pressure environment is provided for leak detector 200, particularly, work as gas
It is long to the adjustment time of air pressure when potential source is high pressure or negative pressure, by gas storage unit 160, the gas needed for providing in time can be reduced
Pressure ring border, the time required to reducing preparation, specifically, the volume of gas storage unit 160 can be 10L.
Baroceptor 170, pneumatic supply access component 100 and baroceptor are further included in one of the embodiments,
170 connections, baroceptor 170 are connect with leak detector 200.
Baroceptor 170 refer to for measure gas absolute pressure instrument, can be used for detection access leak detector
By the Preliminary detection of baroceptor 170, accurate air pressure environment is provided for leak detector 200 for 200 air pressure level,
To reduce the live load that leak detector 200 is adjusted air pressure, air pressure adjustment time is saved, accelerates detection speed, effectively prolongs
The service life of long leak detector 200, wherein, when baroceptor 170 detect be hyperbar detection environment when, leak detector
200 are adjusted air pressure by electronic type pressure regulation, when baroceptor 170 detect be detection of negative pressure environment when, leak detection
Instrument 200 is adjusted air pressure by mechanical pressure regulation.Specifically, baroceptor can be digital gas pressure sensor, both may be used
Negative pressure can also be detected to detect positive pressure.
In one of the embodiments, it is characterized in that, further including the fixture that airtight detection object is treated in installation, fixture and inspection
Survey the detection port connection of port integrated package 400.
Fixture refers to treat airtight detection object in detection process for rapid, easily and safely fixed, is allowed to occupy correct
Position, with receive detection device.By setting fixture that can make to treat that airtight detection object is easier to replace, can be also used for
Judgement treats whether airtight detection object is installed in place, and specifically, fixture also has anticreep limit function, is provided for airtight detection process
Safety guarantee, it is ensured that the safety of detection object with pressure and operating personnel.
Control valve group 300 includes diaphragm valve 320 in one of the embodiments, and diaphragm valve 320 is opened and closed with diaphragm
Part closed flow blocks fluid and the shut-off valve for separating body cavity and valve deck inner cavity, commonly uses elasticity such as rubber, plastics, resistance to
Diaphragm made of burn into non-permeable material and the valve body made of plastics, fiberglass, ceramics or metal liner glue material.Have
The characteristics of simple in structure, sealing and antiseptic property are preferable, and fluid resistance is small.
Silencer is further included in one of the embodiments, and silencer is connect with control valve group 300, control valve group
300 can also control the discharge of gas, when air tightness detection apparatus needs discharge gas, can reduce noise by silencer
It generates.
Cylinder manifold electromagnetic valve component is further included in one of the embodiments, and cylinder manifold electromagnetic valve component passes through leak detector
200 connect with control valve group 300, are used to implement the control to control valve group 300, realize the sequence of control valve group 300
Control function.
Programmable logic controller (PLC) and industry control touch display screen are further included in one of the embodiments, and industry control touches aobvious
Display screen is connect with programmable logic controller (PLC), programmable logic controller (PLC) respectively with leak detector 200, control valve group 300 and
Pneumatic supply access component 100 connects, and is used to implement the automatic operating and operation readiness of detection process.
Specifically, the display interface of industry control touch display screen can include start button, stop button, power knob, USB
Button, bleed pressure are shown, tri-colour LED is shown, judgement is directly observed convenient for interface, and data can preserve, and can lead to
The connection of wireless or Ethernet is crossed, convenient for reading data.
The cabinet with lines made of aluminium section bar and metal plate plastic-spraying, leak detector are further included in one of the embodiments,
200th, control valve group 300 and pneumatic supply access component 100 are set in cabinet, have safety post at the operating position of cabinet
Know.
Mute castor is further included in one of the embodiments, and rises device, mute castor and is risen device and is set to cabinet
The one side contacted with ground, convenient for the movement and fixation of device.
Each technical characteristic of above example can be combined arbitrarily, to make description succinct, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield is all considered to be the range of this specification record.
Above example only expresses the several embodiments of the application, and description is more specific and detailed, but can not
Therefore it is interpreted as the limitation to claim.It should be pointed out that for those of ordinary skill in the art,
Under the premise of not departing from the application design, various modifications and improvements can be made, these belong to the protection domain of the application.
Therefore, the protection domain of the application patent should be determined by the appended claims.
Claims (10)
1. a kind of air tightness detection apparatus, which is characterized in that including pneumatic supply access component, the leak detector with voltage regulation function, control
The control valve group of detection ordering processed and multiple detection port integrated packages, each detection port integrated package are included at least
One detection port；
The pneumatic supply access component is connect with leak detector, and the leak detector is connect with the control valve group, the control valve
Component respectively with it is multiple it is described detection port integrated packages connect, it is each it is described detection port integrated package in detect port respectively with
Treat airtight detection object connection.
2. air tightness detection apparatus according to claim 1, which is characterized in that the pneumatic supply access component includes positive pressure source
Component is accessed, the positive pressure source access component is connect with the leak detector.
3. air tightness detection apparatus according to claim 2, which is characterized in that filter and/or drier are further included, it is described
Positive pressure source access component is connect with the filter and/or drier, and the filter and/or drier connect with the leak detector
It connects.
4. air tightness detection apparatus according to claim 2, which is characterized in that further include pressure regulator valve, the positive pressure source access
Component is connect with the pressure regulator valve, and the pressure regulator valve is connect with the leak detector.
5. air tightness detection apparatus according to claim 4, which is characterized in that the pressure regulator valve includes pressure charging valve and/or subtracts
Pressure valve, the positive pressure source access component are connect respectively with the pressure charging valve and/or the pressure reducing valve, the pressure charging valve and/or institute
Pressure reducing valve is stated to connect with the leak detector respectively.
6. air tightness detection apparatus according to claim 1, which is characterized in that the pneumatic supply access component includes negative pressure source
Component is accessed, the negative pressure source access component is connect with the leak detector.
7. air tightness detection apparatus according to claim 6, which is characterized in that further include the vacuum processing with damper element
Device, the vaccum processor are connect with negative pressure source access component.
8. air tightness detection apparatus according to claim 1, which is characterized in that further include gas storage unit, the pneumatic supply connects
Enter component to connect with the gas storage unit, the gas storage unit is connect with the leak detector.
9. air tightness detection apparatus according to claim 1, which is characterized in that further include baroceptor, the pneumatic supply
Access component is connect with the baroceptor, and the baroceptor is connect with the leak detector.
10. air tightness detection apparatus according to claim 1, which is characterized in that further include installation and treat airtight detection object
Fixture, the fixture are connect with the detection port of the detection port integrated package.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721824354.3U CN207600696U (en) | 2017-12-22 | 2017-12-22 | Air tightness detection apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721824354.3U CN207600696U (en) | 2017-12-22 | 2017-12-22 | Air tightness detection apparatus |
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| CN207600696U true CN207600696U (en) | 2018-07-10 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679295A (en) * | 2018-08-16 | 2018-10-19 | 真兰仪表科技有限公司 | A kind of detection device and its application method for detecting gas meter valve leakage |
| CN109141782A (en) * | 2018-09-18 | 2019-01-04 | 昆明北方红外技术股份有限公司 | The airtight test of ultralow pressure and gas substitution detector |
| CN112345174A (en) * | 2020-10-30 | 2021-02-09 | 歌尔微电子有限公司 | Air tightness detection device and method |
| CN112903206A (en) * | 2019-12-04 | 2021-06-04 | 国家能源投资集团有限责任公司 | Air tightness detection system and air tightness detection method |
-
2017
- 2017-12-22 CN CN201721824354.3U patent/CN207600696U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679295A (en) * | 2018-08-16 | 2018-10-19 | 真兰仪表科技有限公司 | A kind of detection device and its application method for detecting gas meter valve leakage |
| CN108679295B (en) * | 2018-08-16 | 2024-02-09 | 真兰仪表科技有限公司 | Detection equipment for detecting leakage of gas meter valve and application method thereof |
| CN109141782A (en) * | 2018-09-18 | 2019-01-04 | 昆明北方红外技术股份有限公司 | The airtight test of ultralow pressure and gas substitution detector |
| CN112903206A (en) * | 2019-12-04 | 2021-06-04 | 国家能源投资集团有限责任公司 | Air tightness detection system and air tightness detection method |
| CN112345174A (en) * | 2020-10-30 | 2021-02-09 | 歌尔微电子有限公司 | Air tightness detection device and method |
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