CN208818440U - High-precision air tightness test macro - Google Patents
High-precision air tightness test macro Download PDFInfo
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- CN208818440U CN208818440U CN201821437790.XU CN201821437790U CN208818440U CN 208818440 U CN208818440 U CN 208818440U CN 201821437790 U CN201821437790 U CN 201821437790U CN 208818440 U CN208818440 U CN 208818440U
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Abstract
This application discloses high-precision air tightness test macros, including the clamping device to clamping product to be measured, and be connected with the clamping device and the detection device to detect products air tightness to be measured, the detection device includes installation shell, main control module, air pressure adjustment module, connection gas circuit, the first air pressure detection module, the second air pressure detection module, storage processing module.The application high-precision air tightness test macro clamps product to be measured by clamping device fixation, pass through the main control module and the air pressure adjustment module again, the connection gas circuit, the first air pressure detection module, the second air pressure detection module and the storage processing module are to cooperation, then the air-tightness of product to be measured precisely can be controllably detected, reach 2Pa to make to detect pressure value precision, resolution ratio reaches the precise degrees of 1Pa, the stability that the application has height is embodied, high-precision detection performance, and then it can be satisfied with actual production demand significantly.
Description
[technical field]
This application involves the technical fields of air-leakage test, in particular to a kind of high-precision air tightness test system
System.
[background technique]
Currently, products air tightness test some carries out practical air tightness test using water, some is passed through using pressure switch
Air pressure carries out air tightness test.
Using water actual test products air tightness, may destroy causes product functionality bad, can not be adapted on a large scale
It produces and uses.And pressure switch test products air tightness is used, but there is pressure switch stability is poor, low precision (precision >=
400Pa), the problems such as resolution ratio big (resolution ratio >=100Pa), and during the test, determine pressure set points be it is fixed,
But actual detection pressure value variation is greatly, product can not be determined by leak pressure value, to can not accurately determine product
It is whether qualified, and then defective products outflow is easy to cause to easily cause customer complaint problem.
[utility model content]
The application to be solved to be the above-mentioned technical problem being directed to, and provides a kind of high-precision air tightness test macro.
In order to solve the above technical problems, the application is achieved through the following technical solutions:
High-precision air tightness test macro is filled including the clamping device to clamping product to be measured, and with the clamping
Setting connected and the detection device to detect products air tightness to be measured, the detection device includes:
Shell is installed；
Main control module is set on the installation shell；
Air pressure adjustment module is set in the mounting shell body, and is connected with the main control module, and be used to control and regulate
External gas source pressure size；
Gas circuit is connected, is set between the air pressure adjustment module and product to be measured, and it includes to be connected to the air pressure
The first branch and one end of adjustment module and product to be measured are connected with the air pressure adjustment module and the other end is closed end
Second branch；
First air pressure detection module is set in the first branch, and is connected with the main control module, to detect
Air pressure size in the first branch and first detection signal is converted by the air pressure size in the first branch；
Second air pressure detection module is set in the second branch, and is connected with the main control module, to detect
Air pressure size in the second branch converts second for the air pressure size in the second branch to form detection reference
Detect signal；
Store processing module, be set to the mounting shell body in, and with the first air pressure detection module, second gas
Pressure detection module and the main control module be connected, to receive the first detection signal and be converted into the first digital signal with
It is presented on the main control module, and to receive the second detection signal and be converted into the second digital signal to be presented in
On the main control module.
High-precision air tightness test macro as described above, the main control module are equipped with and can be used to download at the storage
Manage the download port of module institute storing data.
High-precision air tightness test macro as described above, the download port are USB port.
High-precision air tightness test macro as described above, the main control module are touching display screen.
High-precision air tightness test macro as described above, the air pressure adjustment module includes the air inlet to external gas source
Solenoid valve, the exhaust solenoid valve with the connection air circuit connection to be vented to the connection gas circuit, and it is connected to the air inlet
Automatic pressure regulator between solenoid valve and the exhaust solenoid valve and to automatic Regulation.
High-precision air tightness test macro as described above, the first air pressure detection module and second air pressure detection
Module is differential pressure pick-up.
High-precision air tightness test macro as described above, the storage processing module are PLC.
High-precision air tightness test macro as described above, the clamping device include:
Connecting bracket；
Placing jig is set on the downside of the connecting bracket, and offers be adapted with shape on the downside of product to be measured thereon
Placing slot；
Clamping collet is set on the upside of the placing jig, and offers be adapted with shape on the upside of product to be measured thereon
Clip slot；
Cylinder is driven, is set in the connecting bracket, and be connected with the main control module, and its lower end and the folder
Clinch ear is connected, to drive the clamping collet to move back and forth up and down, so that the clamping collet and the placing jig
It matches to clamp product to be measured.
Compared with prior art, above-mentioned application has the following advantages:
1, the application high-precision air tightness test macro clamps product to be measured by clamping device fixation, then passes through institute
State main control module and the air pressure adjustment module, the connection gas circuit, the first air pressure detection module, second air pressure inspection
Module and the storage processing module are surveyed to cooperation, then the air-tightness of product to be measured precisely can be controllably detected, to make
Detection pressure value precision reach 2Pa, resolution ratio reaches the precise degrees of 1Pa, embodied the application with height stability,
High-precision detection performance, and then it can be satisfied with actual production demand significantly.
2, the application high-precision air tightness test macro passes through the intake solenoid valve and the automatic pressure regulator and described
Exhaust solenoid valve matches, and can then realize according to different products to be measured and set different detection pressure, thus not only can be significantly
It is satisfied with the detection of different products to be measured, and the detection accuracy of product to be measured can also be effectively improved, and then improves the suitable of the application
The property used.
[Detailed description of the invention]
Fig. 1 is the perspective view of the application high-precision air tightness test macro.
Fig. 2 is the exploded perspective that detection device described in the application high-precision air tightness test macro carries out exploded
Figure.
Fig. 3 is the perspective view of clamping device described in the application high-precision air tightness test macro.
Fig. 4 is the partial enlarged view I of Fig. 3.
Fig. 5 is the perspective view of clamping collet described in the application high-precision air tightness test macro.
[specific embodiment]
The application is described in further detail below by specific embodiment combination attached drawing.
As shown in Fig. 1~5, high-precision air tightness test macro, including (product to be measured is to clamping product to be measured
Earphone) clamping device 1, and be connected with the clamping device 1 and the detection device 2 to detect products air tightness to be measured,
The detection device 2 includes installation shell 21, main control module 22, air pressure adjustment module 23, connection gas circuit, the first air pressure detection mould
Block 24, the second air pressure detection module 25 and storage processing module 26.The main control module 22 is set on the installation shell 21.Institute
Air pressure adjustment module 23 is stated in the installation shell 21, and is connected with the main control module 22, and is used to control and regulate outer
Connect bleed pressure size.The connection gas circuit is set between the air pressure adjustment module 23 and product to be measured, and it includes to even
The first branch and one end for leading to the air pressure adjustment module 23 and product to be measured be connected with the air pressure adjustment module 23 and
The other end is the second branch of closed end.The first air pressure detection module 24 be set to the first branch on, and with the master
Control module 22 is connected, to detect the air pressure size in the first branch and turn the air pressure size in the first branch
Turn to first detection signal.The second air pressure detection module 25 be set to the second branch on, and with the main control module 22
It is connected, to detect the air pressure size in the second branch to form detection reference, and by the gas in the second branch
Pressure size is converted into the second detection signal.The storage processing module 26 is set in the installation shell 21, and with described first
Air pressure detection module 24, the second air pressure detection module 25 and the main control module 22 are connected, to receive described first
It detects signal and is converted into the first digital signal to be presented on the main control module 22, and to receive second detection
Signal and the second digital signal is converted into be presented on the main control module 22.
The application high-precision air tightness test macro clamps product to be measured by the clamping device 1 fixation, then passes through institute
State main control module 22 and the air pressure adjustment module 23, the connection gas circuit, the first air pressure detection module 24, described second
Air pressure detection module 25 and the storage processing module 26 then precisely can controllably detect the airtight of product to be measured to cooperation
Property, so that detection pressure value precision be made to reach 2Pa, resolution ratio reaches the precise degrees of 1Pa, and having embodied the application has height
Stability, high-precision detection performance, and then actual production demand can be satisfied with significantly.
The main control module 22 is equipped with the download port that can be used to download storage 26 storing datas of processing module.
The download port is USB port.The advantage is that can will be deposited by the download port in the storage processing module 26
The data of storage export, and are then conducive to operating staff statistical data and analysis data, to be conducive to manage product quality problem.
The main control module 22 is touching display screen.It the advantage is that easy to operate, be convenient to control.
The air pressure adjustment module 23 includes to the intake solenoid valve 231 of external gas source and the connection air circuit connection
With the exhaust solenoid valve 233 being vented to the connection gas circuit, and it is connected to the intake solenoid valve 231 and the exhaust electromagnetism
Automatic pressure regulator 232 between valve 233 and to automatic Regulation.The advantage is that by the intake solenoid valve 231 with it is described from
Dynamic pressure regulator valve 232 and the exhaust solenoid valve 233 match, and can then realize according to different products to be measured and set different detections
Pressure to can not only be satisfied with the detection of different products to be measured significantly, and can also effectively improve the detection accuracy of product to be measured,
And then improve the applicability of the application.
The first air pressure detection module 24 and the second air pressure detection module 25 are differential pressure pick-up.Its advantage exists
In meeting detection demand.
The storage processing module 26 is PLC.It the advantage is that PLC is provided simultaneously with storage and computing function.
The detection device 2 further includes the alarm being connected on the installation shell 21 and with the main control module 22
Component 27, the warning piece 27 are preferably alarm lamp, be the advantage is that when the first air pressure detection module 24 detects
It is unqualified to product to be measured to be, then it can light to be shown as alarming, and then can avoid the noise of sound alarm.
The clamping device 1 includes connecting bracket 11, placing jig 12, clamping collet 13, driving cylinder 14.The placing
Jig 12 is set to 11 downside of connecting bracket, and offers placing slot 121 compatible with shape on the downside of product to be measured thereon.
The clamping collet 13 is set to 12 upside of placing jig, and offers folder compatible with shape on the upside of product to be measured thereon
Slot 131.The driving cylinder 14 is set in the connecting bracket 11, and is connected with the main control module 22, and its lower end with
The clamping collet 13 is connected, to drive the clamping collet 13 to move back and forth up and down so that the clamping collet 13 with
The placing jig 12 is matched to clamp product to be measured.
Presently filed embodiment is explained in detail in summary, but the application is not limited to above embodiment.
Even if it is to the application, various changes can be made, then still falls within the protection scope in the application.
Claims (8)
1. high-precision air tightness test macro, it is characterised in that: including the clamping device (1) to clamping product to be measured, and
It is connected with the clamping device (1) and the detection device to detect products air tightness to be measured (2), the detection device (2) is wrapped
It includes:
It installs shell (21)；
Main control module (22) is set on the installation shell (21)；
Air pressure adjustment module (23) is set in the installation shell (21), and is connected with the main control module (22), and to
Control to adjust external gas source pressure size；
Gas circuit is connected, is set between the air pressure adjustment module (23) and product to be measured, and it includes to be connected to the air pressure
The first branch and one end of adjustment module (23) and product to be measured are connected with the air pressure adjustment module (23) and the other end
For the second branch of closed end；
First air pressure detection module (24) is set in the first branch, and is connected with the main control module (22), to
It detects the air pressure size in the first branch and converts first detection signal for the air pressure size in the first branch；
Second air pressure detection module (25) is set in the second branch, and is connected with the main control module (22), to
The air pressure size in the second branch is detected to form detection reference, and convert the air pressure size in the second branch to
Second detection signal；
Store processing module (26), it is interior to be set to the installation shell (21), and with the first air pressure detection module (24), institute
It states the second air pressure detection module (25) and the main control module (22) is connected, to receive the first detection signal and conversion
It is the first digital signal to be presented on the main control module (22), and to receive the second detection signal and be converted into
Second digital signal is to be presented on the main control module (22).
2. high-precision air tightness test macro according to claim 1, it is characterised in that: set on the main control module (22)
There is the download port that can be used to download storage processing module (26) institute storing data.
3. high-precision air tightness test macro according to claim 2, it is characterised in that: the download port is the end USB
Mouthful.
4. high-precision air tightness test macro according to claim 2, it is characterised in that: the main control module (22) is touching
Control display screen.
5. high-precision air tightness test macro according to claim 1, it is characterised in that: the air pressure adjustment module (23)
Including the intake solenoid valve (231) to external gas source, the row with the connection air circuit connection to be vented to the connection gas circuit
Pneumoelectric magnet valve (233), and be connected between the intake solenoid valve (231) and the exhaust solenoid valve (233) and to automatic
The automatic pressure regulator (232) of pressure regulation.
6. high-precision air tightness test macro according to claim 1, it is characterised in that: the first air pressure detection module
(24) and the second air pressure detection module (25) is differential pressure pick-up.
7. high-precision air tightness test macro according to claim 1, it is characterised in that: the storage processing module (26)
For PLC.
8. high-precision air tightness test macro according to claim 1, it is characterised in that: the clamping device (1) includes:
Connecting bracket (11)；
Placing jig (12) is set on the downside of the connecting bracket (11), and is offered thereon and shape phase on the downside of product to be measured
The placing slot (121) of adaptation；
Clamping collet (13) is set on the upside of the placing jig (12), and is offered thereon and shape phase on the upside of product to be measured
The clip slot (131) of adaptation；
It drives cylinder (14), is set on the connecting bracket (11), and be connected with the main control module (22), and its lower end
It is connected with the clamping collet (13), to drive the clamping collet (13) to move back and forth up and down, so that the clamping is pressed from both sides
Head (13) is matched with the placing jig (12) to clamp product to be measured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821437790.XU CN208818440U (en) | 2018-09-04 | 2018-09-04 | High-precision air tightness test macro |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821437790.XU CN208818440U (en) | 2018-09-04 | 2018-09-04 | High-precision air tightness test macro |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208818440U true CN208818440U (en) | 2019-05-03 |
Family
ID=66275646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821437790.XU Active CN208818440U (en) | 2018-09-04 | 2018-09-04 | High-precision air tightness test macro |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208818440U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113790854A (en) * | 2021-08-09 | 2021-12-14 | 常熟理工学院 | Pressure-resistant electronic product sealing detection system |
-
2018
- 2018-09-04 CN CN201821437790.XU patent/CN208818440U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113790854A (en) * | 2021-08-09 | 2021-12-14 | 常熟理工学院 | Pressure-resistant electronic product sealing detection system |
| CN113790854B (en) * | 2021-08-09 | 2023-08-11 | 常熟理工学院 | Compression-resistant electronic product sealing detection system |
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| GR01 | Patent grant | ||
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| CP03 | "change of name, title or address" |
Address after: 341000, Ganzhou, Jiangxi province Yudu County town on the upper European Industrial Park Patentee after: Tianjian electroacoustic Co.,Ltd. Address before: 342399 Yudu City, Ganzhou Province town of tribute on the European Industrial Park Patentee before: JIANGXI TIANJIAN ELECTROACOUSTIC Co.,Ltd. |