CN109084974A - Portable pressure relief valve calibration equipment - Google Patents
Portable pressure relief valve calibration equipment Download PDFInfo
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- CN109084974A CN109084974A CN201811093586.5A CN201811093586A CN109084974A CN 109084974 A CN109084974 A CN 109084974A CN 201811093586 A CN201811093586 A CN 201811093586A CN 109084974 A CN109084974 A CN 109084974A
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- Prior art keywords
- test tank
- pressure relief
- valve
- relief valve
- tank
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- General Physics & Mathematics (AREA)
- Safety Valves (AREA)
Abstract
The present invention relates to a kind of portable pressure relief valve calibration equipments, portable pressure relief valve calibration equipment includes test tank, test tank is equipped with vent valve, intake valve, pressure sensor, the hold-down mechanism for fixing pressure relief valve to be measured is equipped at the test mouth of test tank, it further include air accumulator, pass through tracheae releasable connection between air accumulator and test tank, air accumulator is supplied by the tracheae to test tank, test tank and air accumulator are packaged type, and the lower part of test tank and air accumulator is equipped with castor.Portable pressure relief valve calibration equipment of the present invention, test tank and air accumulator are packaged type, conveniently moving, convenient for operation.Replace air compressor machine in the prior art using mobile air accumulator, avoids the noise generated using air compressor machine, improve working environment.
Description
Technical field
The present invention relates to pressure relief valve calibration technology fields, and in particular to a kind of portable pressure relief valve verification dress
It sets.
Background technique
Electric system oil-immersed type power equipment application is very extensive, and pressure relief valve is that oil-immersed type power equipment non electrical quantity is protected
One of protection unit, when equipment makes internal pressure be increased to release valve opening pressure suddenly because of failure, it can open pressure release moment, prevent
Only equipment deformation or explosion, and alarm signal and trip command are issued in time；When pressure, which is down to it, closes pressure, pressure release
Valve can be closed reliably again, and equipment is made to keep positive pressure and closed, to effectively avoid accident further expansion, improve power equipment
The overall security of operation.
The reliability of pressure relief valve protection depends on the accurate detection of pressure relief valve.How pressure release is accurately verified
The parameters of valve have become the related personnel such as Operation of Electric Systems, maintenance, test extensive concern and questions of common interest.
A kind of checkout platform for pressure release valve as disclosed in the utility model patent of Authorization Notice No. CN201190820Y, the checking table include
Pressure tries tank, is equipped with pressure sensor, venting solenoid valve, safety valve on pressure examination tank.Checking table air inlet by tracheae with
Air compressor is connected.Testing pressure relief valve is mounted on workbench by hold-down mechanism.In verification, pneumatics is opened
Machine, the power supply opened on panel open button, and the checking parameter of tested pressure relief valve is arranged by the prompt on liquid crystal display, passes through list
Piece machine system opens solenoid valve, is gradually increased the air pressure in pressure examination tank, SCM system passes through pressure sensor reality
When acquire instantaneous pressure signal, and be shown on liquid crystal display.When pressure examination pressure inside the tank opens pressure relief valve, single-chip microcontroller
System records the pressure value for opening moment, which is the cracking pressure value of pressure relief valve.Existing check-out console exists asks as follows
Topic, matching used air compressor machine noise is big when test.When test and movement, vibration equipment is big, and it is electrical to be easily damaged liquid crystal display etc.
Element.
Summary of the invention
The object of the present invention is to provide a kind of portable pressure relief valve calibration equipments, to solve test in the prior art
Method need to use caused by air compressor machine that noise is big, inconvenient problem with use.
To achieve the above object, portable pressure relief valve calibration equipment of the present invention adopts the following technical scheme that portable
Pressure relief valve calibration equipment, including test tank, test tank are equipped with vent valve, intake valve, pressure sensor, the survey of test tank
It tries to be equipped with the hold-down mechanism for fixing pressure relief valve to be measured at mouth, further includes air accumulator, between air accumulator and test tank
By tracheae releasable connection, air accumulator is supplied by the tracheae to test tank, and test tank and air accumulator are packaged type, is surveyed
The lower part of examination tank and air accumulator is equipped with castor.
Further preferably, the intake valve includes big intake solenoid valve, small intake solenoid valve, big intake solenoid valve, it is small into
Pneumoelectric magnet valve can be independently to the test canister incoming gas to meet the needs of various inlet amount.
Further preferably, the tracheae is arranged in test tank, and tracheae is hose, and tracheae one end and the intake valve connect
Connect, the other end of tracheae be equipped with for the tank connected connector of gas storage.
Further preferably, the vent valve in the test tank has small venting solenoid valve, final relief solenoid valve, small deflation electromagnetism
Valve, final relief solenoid valve are respectively connected with silencer.
Further preferably, the portable pressure relief valve calibration equipment further includes control device, and control device includes control
Device processed, display screen, control device and test tank split settings, signal connects between control device and test tank.Control device and
Test tank split settings avoid and damage electrical component because of reasons such as vibrations during the test.
Further preferably, handle is additionally provided in the test tank.
Beneficial effects of the present invention: portable pressure relief valve calibration equipment of the present invention, each piece volumes are small, light-weight,
Test tank and air accumulator are packaged type, conveniently moving, convenient for operation.It is mended using mobile air accumulator namely small gas cylinder
Gas is avoided the noise generated using air compressor machine, improves work on the spot environment to replace air compressor machine in the prior art.
Detailed description of the invention
Fig. 1 is the main view of test tank in portable pressure relief valve calibration equipment of the present invention；
Fig. 2 is the top view of test tank in portable pressure relief valve calibration equipment of the present invention；
Fig. 3 is the side view of test tank in portable pressure relief valve calibration equipment of the present invention；
Fig. 4 is the partial structure diagram in Fig. 3 at A；
Fig. 5 is the schematic illustration of portable pressure relief valve calibration equipment of the present invention.
Respectively mark corresponding title: 1, test tank in figure, 2, handle, 3, hold-down mechanism, 4, test mouth, 5, vent valve, 6,
Hose, 7, connector, 8, castor, 9, big intake solenoid valve, 10, small intake solenoid valve, 11, pressure sensor, 12, air accumulator, 13,
Pressure reducing valve, 14, oil water separator, 15, small venting solenoid valve, 16, final relief solenoid valve, 17, silencer.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description.
The embodiment of portable pressure relief valve calibration equipment of the present invention: as Figure 1-Figure 5, including test tank 1, gas storage
Tank 12, test tank 1 are equipped with vent valve 5, intake valve, pressure sensor 11, are equipped at the test mouth 4 of test tank 1 for fixing
The hold-down mechanism 3 of pressure relief valve to be measured.Hold-down mechanism is the prior art, reference can be made to cited patent text in background technique
Content in part.
Intake valve includes big intake solenoid valve 9, small intake solenoid valve 10, and big intake solenoid valve 9, small intake solenoid valve 10 can
Independently to 1 air inlet of test tank to meet the needs of various inlet amount.Vent valve in test tank has small venting solenoid valve 15, puts greatly
Pneumoelectric magnet valve 16, small venting solenoid valve, final relief solenoid valve are respectively connected with silencer 17.
By tracheae releasable connection between air accumulator 12 and test tank 1, air accumulator 12 is supplied by tracheae to test tank 1.
Tracheae is arranged in test tank, and tracheae is hose 6, and tracheae one end connect with intake valve, the other end of tracheae equipped with for storage
The connector 7 of hose is connect the gas outlet joint on air accumulator 12 when use by the tank connected connector 7 of gas.Air accumulator is in it
Master control valve, pressure reducing valve 13, oil water separator 14 are equipped at gas outlet.
Test tank 1 and air accumulator 12 are packaged type, and test tank 1 and the lower part of air accumulator 12 are equipped with castor 8, castor
Using universal wheel.Handle 2 is additionally provided in test tank 1, it is easy to remove.
Portable pressure relief valve calibration equipment further includes control device, and control device includes controller, display screen, display
Screen is liquid crystal display.Control device and test tank split settings realize that signal connects by data line between control device and test tank
It connects.Single-chip microcontroller in the prior art can be used in the controller of control device, and the principle of control device itself is similar to background technique
Scheme in the patent document of middle reference, the present embodiment to the improvement that it is made be by control device and test tank split settings,
It avoids damaging the electrical components such as display screen because of vibration during the test.
When in use, main process is as follows for portable pressure relief valve calibration equipment of the present invention, the tested pressure of (1) installation
Pressure relief valve is fixedly mounted at the test mouth of test tank by power relief valve by hold-down mechanism；(2) by the air inlet of test tank
Hose connect with air accumulator；(3) start to verify, the checking parameter of tested pressure relief valve is set on liquid crystal display, passes through control
Device processed opens big intake solenoid valve or small intake solenoid valve, is gradually increased the pressure in test tank, control device is adopted in real time
Collection instantaneous pressure signal is simultaneously shown on liquid crystal display.When testing pressure inside the tank opens pressure relief valve, control device record
The lower pressure value for opening moment, this value are denoted as the cracking pressure value of pressure relief valve.It is opened simultaneously in pressure relief valve, control dress
Big intake solenoid valve or small intake solenoid valve can be closed by setting, and test pressure inside the tank moment, which reduces, closes pressure relief valve rapidly,
Control device will record down pressure value at this time, the closing pressure value of the pressure value namely pressure relief valve.(4) test is completed
Afterwards, gas is vented by test tank by vent valve.
Portable pressure relief valve calibration equipment of the present invention has following features:
(1) each piece volumes of device are small, light-weight, conveniently moving, convenient for operation.(2) it is mended using mobile small gas cylinder
Gas is avoided the noise generated using air compressor machine, improves work on the spot environment.(3) control device and test tank split settings,
It avoids and damages electrical component because of reasons such as vibrations during the test.
The present invention is not limited to above-mentioned preferred forms, anyone can show that other are various under the inspiration of the present invention
The product of form, however, make any variation in its shape or structure, it is all that there is skill identical or similar to the present application
Art scheme, is within the scope of the present invention.
Claims (6)
1. portable pressure relief valve calibration equipment, including test tank, test tank is equipped with vent valve, intake valve, pressure sensing
Device is equipped with the hold-down mechanism for fixing pressure relief valve to be measured at the test mouth of test tank, it is characterised in that: further includes storage
Gas tank, by tracheae releasable connection between air accumulator and test tank, air accumulator is supplied by the tracheae to test tank, test tank
It is packaged type with air accumulator, the lower part of test tank and air accumulator is equipped with castor.
2. portable pressure relief valve calibration equipment according to claim 1, it is characterised in that: the intake valve includes big
Intake solenoid valve, small intake solenoid valve, big intake solenoid valve, small intake solenoid valve can be independently to the test canister incoming gas to meet
The demand of various inlet amount.
3. portable pressure relief valve calibration equipment according to claim 2, it is characterised in that: the tracheae setting is being surveyed
It tries on tank, tracheae is hose, and tracheae one end is connect with the intake valve, and the other end of tracheae is equipped with for tank connected with gas storage
Connector.
4. portable pressure relief valve calibration equipment according to claim 2, it is characterised in that: putting in the test tank
Air valve has small venting solenoid valve, final relief solenoid valve, and small venting solenoid valve, final relief solenoid valve are respectively connected with silencer.
5. portable pressure relief valve calibration equipment according to any one of claims 1 to 4, it is characterised in that: it is described just
Taking formula pressure relief valve calibration equipment further includes control device, and control device includes controller, display screen, control device and test
Tank split settings, signal connects between control device and test tank.
6. portable pressure relief valve calibration equipment according to any one of claims 1 to 4, it is characterised in that: the survey
Handle is additionally provided on examination tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811093586.5A CN109084974A (en) | 2018-09-19 | 2018-09-19 | Portable pressure relief valve calibration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811093586.5A CN109084974A (en) | 2018-09-19 | 2018-09-19 | Portable pressure relief valve calibration equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109084974A true CN109084974A (en) | 2018-12-25 |
Family
ID=64841830
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811093586.5A Pending CN109084974A (en) | 2018-09-19 | 2018-09-19 | Portable pressure relief valve calibration equipment |
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| Country | Link |
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| CN (1) | CN109084974A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110161185A (en) * | 2019-06-06 | 2019-08-23 | 哈尔滨工程大学 | A kind of ring-type nozzle type high undersea hydrostatic pressures gas explosion spray experimental provision |
| CN110296828A (en) * | 2019-07-25 | 2019-10-01 | 冉正华 | Portable combined pressure relief valve monitor station and detection method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201190820Y (en) * | 2007-07-09 | 2009-02-04 | 郑州赛奥电子有限公司 | Checkout platform for pressure release valve |
| CN105758596A (en) * | 2016-03-01 | 2016-07-13 | 江苏神通阀门股份有限公司 | Large diameter valve high temperature sealing test device |
| CN208621316U (en) * | 2018-09-19 | 2019-03-19 | 郑州赛奥电子股份有限公司 | Portable pressure relief valve calibration equipment |
-
2018
- 2018-09-19 CN CN201811093586.5A patent/CN109084974A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201190820Y (en) * | 2007-07-09 | 2009-02-04 | 郑州赛奥电子有限公司 | Checkout platform for pressure release valve |
| CN105758596A (en) * | 2016-03-01 | 2016-07-13 | 江苏神通阀门股份有限公司 | Large diameter valve high temperature sealing test device |
| CN208621316U (en) * | 2018-09-19 | 2019-03-19 | 郑州赛奥电子股份有限公司 | Portable pressure relief valve calibration equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110161185A (en) * | 2019-06-06 | 2019-08-23 | 哈尔滨工程大学 | A kind of ring-type nozzle type high undersea hydrostatic pressures gas explosion spray experimental provision |
| CN110296828A (en) * | 2019-07-25 | 2019-10-01 | 冉正华 | Portable combined pressure relief valve monitor station and detection method |
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