CN209196558U - A kind of automatic pressure relief device - Google Patents
A kind of automatic pressure relief device Download PDFInfo
- Publication number
- CN209196558U CN209196558U CN201821813229.7U CN201821813229U CN209196558U CN 209196558 U CN209196558 U CN 209196558U CN 201821813229 U CN201821813229 U CN 201821813229U CN 209196558 U CN209196558 U CN 209196558U
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- China
- Prior art keywords
- pressure
- digital display
- display meter
- valve
- automatically controlled
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Abstract
This application discloses a kind of automatic pressure relief devices, including digital display meter, pressure sensor, combined aural and visual alarm, automatically controlled on-off valve, restricting element, muffler, tested aircraft airtight member pipeline is connected with pressure sensor, the pressure value measured is transferred to digital display meter by pressure sensor as an electrical current, when pressure value is more than the safe pressure value of digital display meter setting, digital display meter issues switching value to automatically controlled on-off valve and combined aural and visual alarm simultaneously, it triggers the automatically controlled on-off valve on pressure piping and opens release, combined aural and visual alarm issues alarm signal.
Description
Technical field
The utility model relates to a kind of safety devices of automatically unloading, more particularly, to gas such as pneumatic circuit, barochambers
The air pressure automatically unloading and warning device of gas pressure premature beats and warning during close test.
Background technique
At present in the manufacturing of aircraft, hydraulic system, baric systerm, fuel system etc. are both needed to make airtight, pressure-resistant examination
It tests.Such pressurising equipment is produced to batch along with the overall process of aircraft type development along with from aircraft development to sizing again.With
The development of science and technology, the raising of people's quality mind, safety that pressurising equipment uses, reliability need further plus
By force.Compressed air or gas cylinder high pressure gas are mainly passed through purification, pressure regulation (decompression or pressurization) with certain by gas pressurized equipment
Pressure, flow to subject product cavity supply.This kind of equipment is largely to be realized by pressure regulator valve pressure controlled, and equipment does not have
The test for thering is other pressure protection measures, the especially decompression of bleed pressure high pass to carry out, once pressure regulating valve fail is likely to
Keep the blowing pressure excessive, causes that pressurising overload occurs, jeopardize product and personal safety.This kind of number of devices is more, and most
There is no distribution facility, increase automatically unloading and warning device is difficult, therefore studies general automatically unloading and warning device to make
With convenient and simple and easy, it is not required to be transformed every testing equipment, it only need to be with the use of can reach test process safety
Reliable purpose.
Summary of the invention
The purpose of this utility model is that improving the safety of gas pressure test under the premise of not being transformed to testing equipment
And reliability, the premature beats of gas pressure and warning when for various products gas pressure test.
The technical scheme in the invention for solving the technical problem is: a kind of automatic pressure relief device, including digital display meter, pressure
Sensor, combined aural and visual alarm, automatically controlled on-off valve, restricting element, muffler are tested aircraft airtight member pipeline and pressure sensor
It is connected, the pressure value measured is transferred to digital display meter by pressure sensor as an electrical current, when pressure value is more than digital display meter setting
When safe pressure value, digital display meter issues switching value to automatically controlled on-off valve and combined aural and visual alarm simultaneously, triggers the electricity on pressure piping
It controls on-off valve and opens release, combined aural and visual alarm issues alarm signal, and automatically controlled on-off valve rear end is equipped with throttling member on pressure piping
Part and muffler.
The beneficial effects of the utility model are: not being transformed to experimental facilities, it need to only be used cooperatively, alarm can be realized
And automatically unloading, making product pressure will not be more than alarm pressure value.
The device is versatile, and applicable pressure limit is big, and experimenter can test alarm pressure according to test requirements document sets itself
Force value.Two kinds of specifications of existing 0~1MPa and 1~50MPa, can also be fabricated to according to user demand limit pressure limit (such as 10~
15MPa) or limit pressure value (such as 15MPa) Special alarming pressure relief device.
Attached drawing is described in further detail this application with reference to embodiments.
Detailed description of the invention
Fig. 1 air pressure automatically unloading and warning device systematic schematic diagram
Explanation: 1 digital display meter, 2 pressure sensors, 3 quick couplings, 4 combined aural and visual alarms, 5 automatically controlled on-off valves, 6 is numbered in figure
Restricting element, 7 mufflers
Specific embodiment
It is air pressure automatically unloading and warning device schematic diagram referring to Fig. 1, a kind of automatic pressure relief device, including digital display meter 1,
Pressure sensor 2, combined aural and visual alarm 4, automatically controlled on-off valve 5, restricting element 6, muffler 7, be tested aircraft airtight member pipeline with
Pressure sensor 2 is connected, and the pressure value measured is transferred to digital display meter 1 by pressure sensor 2 as an electrical current, when pressure value is more than
When the safe pressure value that digital display meter 1 is set, digital display meter 1 issues switching value, touching to automatically controlled on-off valve 5 and combined aural and visual alarm 4 simultaneously
It sends out the automatically controlled on-off valve 5 on pressure piping and opens release, combined aural and visual alarm 4 issues alarm signal, automatically controlled logical on pressure piping
Disconnected 5 rear end of valve is equipped with restricting element 6 and muffler 7.
First the device is tightly connected by quick coupling 3 and subject product when use.Adjustment digital display meter 1, which is preset, is
System test alarm pressure value, during test, pressure sensor 2 detects the pressure in subject product cavity and on digital display meter 1
It has been shown that, when pressure rises to setting value, combined aural and visual alarm 4 is alarmed, while the relay in digital display meter 1 is connected, and is driven automatically controlled
Release is exhausted in the opening of on-off valve 5, and restricting element 6 is for adjusting release and exhaust velocity.
Claims (1)
1. a kind of automatic pressure relief device, including digital display meter, pressure sensor, combined aural and visual alarm, automatically controlled on-off valve, restricting element,
Muffler, it is characterised in that tested aircraft airtight member pipeline is connected with pressure sensor, the pressure that pressure sensor will be measured
Value is transferred to digital display meter as an electrical current, and when pressure value is more than the safe pressure value of digital display meter setting, digital display meter is simultaneously to electricity
It controls on-off valve and combined aural and visual alarm issues switching value, the automatically controlled on-off valve triggered on pressure piping opens release, combined aural and visual alarm
Alarm signal is issued, automatically controlled on-off valve rear end is equipped with restricting element and muffler on pressure piping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821813229.7U CN209196558U (en) | 2018-11-05 | 2018-11-05 | A kind of automatic pressure relief device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821813229.7U CN209196558U (en) | 2018-11-05 | 2018-11-05 | A kind of automatic pressure relief device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209196558U true CN209196558U (en) | 2019-08-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821813229.7U Active CN209196558U (en) | 2018-11-05 | 2018-11-05 | A kind of automatic pressure relief device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209196558U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111532449A (en) * | 2020-04-30 | 2020-08-14 | 中国飞机强度研究所 | Emergency protection device and high-pressure fluid pressurization test device |
-
2018
- 2018-11-05 CN CN201821813229.7U patent/CN209196558U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111532449A (en) * | 2020-04-30 | 2020-08-14 | 中国飞机强度研究所 | Emergency protection device and high-pressure fluid pressurization test device |
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