CN106568588A - Excess flow cut-off valve reliability automatic detection device - Google Patents
Excess flow cut-off valve reliability automatic detection device Download PDFInfo
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- CN106568588A CN106568588A CN201610952797.4A CN201610952797A CN106568588A CN 106568588 A CN106568588 A CN 106568588A CN 201610952797 A CN201610952797 A CN 201610952797A CN 106568588 A CN106568588 A CN 106568588A
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- valve
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- automatic detection
- detection device
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses an excess flow cut-off valve reliability automatic detection device. The device comprises an air storage tank, a detection circuit, a reset circuit, and an electronic control station. The detection circuit includes a detection voltage regulator, a regulator valve, a laminar flow pipe flow meter, a pressure sensor, an electronic control ball valve, and pipelines connected between the components. The reset circuit includes a reset voltage regulator and a cylinder. During detection, under the control of the electronic control station, the detection circuit detects the flow and pressure of a detected valve and judges whether the valve is abnormal, and the reset circuit resets the detected valve until the valve is abnormal or a specified number of times is achieved, thus completing automatic detection of reliability. The excess flow cut-off valve reliability automatic detection device provided by the invention has a simple structure, is convenient to operate, reduces the cumbersome steps of artificial detection, and enhances the efficiency of excess flow cut-off valve reliability detection.
Description
Technical field
The present invention relates to a kind of detection means, more particularly to a kind of inflow-rate of water turbine stop valve reliability automatic detection device.
Background technology
Valve is the control device in media feed system, with cut-off, regulation, water conservancy diversion, prevents the work(such as adverse current, voltage stabilizing
Can, can be used to control the motion of various types of fluids such as empty gas and water, steam, combustion gas.
Inflow-rate of water turbine stop valve is usually used in household low pressure fuel gas pipeline, by sensing pressure or flow in gas pipeline, and
With preset pressure or flow-rate ratio compared with, beyond setting value when be automatically switched off, and must manual reset Self-operated valve.
To ensure the function reliability of inflow-rate of water turbine stop valve, need a series of inspections to be carried out to its reliability, there is no at present
Flow stop valve reliability automatic detection device or equipment, can only be by corresponding Function detection be accomplished manually, and detection operation is numerous
Trivial, detection efficiency is not high.
The content of the invention
The purpose of the present invention is for above-mentioned technical problem, there is provided a kind of inflow-rate of water turbine stop valve reliability automatic detection dress
Put, which is rational in infrastructure, it is easy to operate, the tedious steps of manual detection are reduced, the detection efficiency of inflow-rate of water turbine stop valve is improve.
Technical scheme
To solve above-mentioned technical problem, a kind of inflow-rate of water turbine stop valve reliability automatic detection device that the present invention is provided, including storage
Gas tank, measure loop, reset loop and automatically controlled；
The measure loop includes detecting pressure regulator, regulating valve, pressure transducer, laminar tube flow gauge and electric-controlled ball valve, described
Air accumulator is connected with regulating valve by pipeline, and regulating valve is connected with one end of tested valve further through pipeline, tested valve it is another
One end is connected with electric-controlled ball valve further through pipeline, and the detection pressure regulator is arranged on the pipeline between air accumulator and regulating valve,
The laminar tube flow gauge is arranged on the pipeline between tested valve and electric-controlled ball valve；
The reset loop includes reset pressure regulator and cylinder, and wherein air accumulator is connected with cylinder by pipeline, cylinder again with quilt
Reset lever connection on side valve door, the reset pressure regulator are arranged on the pipeline between air accumulator and cylinder；
Input port and output port, the input port of automatically controlled and pressure transducer, laminar flow pipe are provided with the automatically controlled platform
Effusion meter connects, the input signal that reception pressure transducer, laminar tube flow gauge send；The output port of automatically controlled and regulation
Valve, electric-controlled ball valve connection, control and regulation valve, the folding of electric-controlled ball valve.
Further, the regulating valve is automatically controlled ratio adjusting valve.
Further, the pressure transducer is arranged on the pipeline at tested valve two ends, the letter that pressure transducer is obtained
Number and the signal that obtains of laminar tube flow gauge wirelessly transmit to automatically controlled, automatically controlled according to the signal control for obtaining with
The regulating valve and electric-controlled ball valve of its connection.
Further, the reset lever on the tested valve passes through to snap connection with cylinder.
Further, the tested valve quantity that the inflow-rate of water turbine stop valve reliability automatic detection device is detected simultaneously is more than
One.
Beneficial effect of the present invention：
A kind of inflow-rate of water turbine stop valve reliability automatic detection device that the present invention is provided, which is rational in infrastructure, easy to operate, reduces
The tedious steps of manual detection, improve the detection efficiency of inflow-rate of water turbine stop valve.
Description of the drawings
By the detailed description made in conjunction with the following drawings, the advantage of patent of the present invention will be apparent from and be easier reason
Solution, these accompanying drawings are simply schematic, are not intended to limit patent of the present invention, wherein：
Fig. 1 is the module connection diagram of the present invention.
In accompanying drawing, the part representated by each label is as follows：
1. air accumulator；2. pressure regulator is detected；3. reset pressure regulator；4. regulating valve；5. pressure transducer；6. tested valve；7. electric
Control platform；8. laminar tube flow gauge；9. electric-controlled ball valve；10. cylinder.
Specific embodiment
With reference to a kind of inflow-rate of water turbine stop valve reliability automatic detection of the specific embodiments and the drawings to patent of the present invention
Device is described in detail.
The embodiment that here is recorded is the specific specific embodiment of patent of the present invention, for illustrating patent of the present invention
Design, is explanatory and exemplary, should not be construed as the limit to patent working mode of the present invention and the scope of the claims of the present invention
System.Except the enforcement exception that here is recorded, those skilled in the art can also be based on the application claims and description institute is public
The content opened includes doing using the embodiment recorded to here using obvious other technical schemes, these technical schemes
Go out the technical scheme of any obvious substitutions and modifications.
The accompanying drawing of this specification is schematic diagram, aids in illustrating the design of patent of the present invention, it is schematically indicated each several part
Shape and its mutual relation.Note that for the ease of clearly showing the structure of each part of patent Example of the present invention, phase
Same reference marker is used to represent identical part.
Fig. 1 is a kind of accompanying drawings of inflow-rate of water turbine stop valve reliability automatic detection device of the present invention.Its bag
Include air accumulator 1, measure loop, reset loop and automatically controlled 7.
Wherein, measure loop includes detecting pressure regulator 2, regulating valve 4, pressure transducer 5, laminar tube flow gauge 8 and automatically controlled
Ball valve 9, the air accumulator 1 are connected with regulating valve 4 by pipeline, and the one end of regulating valve 4 further through pipeline with tested valve 6 connects
Logical, the other end of tested valve 6 is connected with electric-controlled ball valve 9 further through pipeline, the detection pressure regulator 2 be arranged on air accumulator 1 and
On pipeline between regulating valve 4, the laminar tube flow gauge 8 is arranged on the pipeline between tested valve 6 and electric-controlled ball valve 9；
The reset loop includes reset pressure regulator 3 and cylinder 10, and wherein air accumulator 1 is connected with cylinder 10 by pipeline, cylinder
10 are connected with the reset lever on tested valve 6 again, and the reset pressure regulator 3 is arranged on the pipe between air accumulator 1 and cylinder 10
Lu Shang；By detect pressure regulator 2, reset pressure regulator 3 effect, can be effectively ensured measure loop, reset loop pressure it is steady
It is scheduled on allowed band.
It is provided with input port and output port on described automatically controlled 7, the input port of automatically controlled 7 and pressure transducer 5,
Laminar tube flow gauge 8 connects, the input signal that reception pressure transducer 5, laminar tube flow gauge 8 send；The outfan of automatically controlled 7
Mouth is connected with regulating valve 4, electric-controlled ball valve 9, control and regulation valve 4, the folding of electric-controlled ball valve 9.
During detection, automatically controlled 7 control measure loop detects the flow and pressure of tested valve 6, judges whether valve occurs
It is abnormal, and reset loop is controlled, make tested valve 6 reset, till valve exception occurs or reaches predetermined number of times, completing can
By the automatic detection of property.
The regulating valve 4 is automatically controlled ratio adjusting valve, for adjusting the flow and pressure of tested valve 6.
The pressure transducer is arranged on the pipeline at 6 two ends of tested valve, signal and laminar flow that pressure transducer 5 is obtained
The signal that flowmeter for pipe 8 is obtained wirelessly is transmitted to automatically controlled 7, and automatically controlled 7 is connected with which according to the signal control for obtaining
The regulating valve 4 for connecing and electric-controlled ball valve 9.
Described automatically controlled 7 is control system with single-chip microcomputer as primary control, realizes inflow-rate of water turbine by logical operationss
Stop valve reliability automatic detection function.Pressure transducer 5, laminar flow pipe dynamometer 8 obtain detection signal and pass as output signal
Automatically controlled 7 is transported to, automatically controlled 7 judges the whether generation action of regulating valve 4, electric-controlled ball valve 9 according to internal logical operationss.The quilt
With cylinder 10 by snapping connection, by the effect of cylinder 10, tested valve 6 is capable of achieving to reset reset lever on side valve door 6,
Automatically carry out repeated detection to facilitate.
The 6 quantity more than one of tested valve that the inflow-rate of water turbine stop valve reliability automatic detection device is detected simultaneously.
In embodiment shown in Fig. 1, inflow-rate of water turbine stop valve reliability automatic detection device can detect three tested valves simultaneously, and detection is accurate
Really, efficiently.
When being detected using inflow-rate of water turbine stop valve reliability automatic detection device described herein, concrete detection
Mesh and operating procedure are as follows：
（1）Automatically undervoltage functional reliability detection
First, regulating valve 4 and electric-controlled ball valve 9 are opened under the operating pressure of 2kPa；
Then, under automatically controlled 7 effect, regulating valve 4 is progressively closed off, reduces the pressure in detecting system, by pressure transducer,
Detect whether tested valve 6 is closed in the range of authorized pressure；
Then, under automatically controlled 7 effect, tested valve 6 is opened by 3 drive cylinder 10 of reset pressure regulator, realizes automatically reseting,
More than repeating, control is to predetermined number of times or valve cannot be closed.
（2）Automatic overvoltage cutting function reliability is detected
First, regulating valve 4 and electric-controlled ball valve 9 are opened under the operating pressure of 2kPa；
Then, under automatically controlled 7 effect, gradually increase 4 aperture of regulating valve, increase the pressure in detecting system, passed by pressure
Sensor, detects whether tested valve 6 is closed in the range of authorized pressure；
Then, under automatically controlled 7 effect, tested valve 6 is opened by 3 drive cylinder 10 of reset pressure regulator, realizes automatically reseting,
More than repeating, control is to predetermined number of times or valve cannot be closed.
（3）Automatically excessively stream cutting function reliability detection
First, regulating valve 4 and electric-controlled ball valve 9 are opened under the operating pressure of 2kPa, under automatically controlled 7 effect, progressively close off tune
Section valve 4, reduces the pressure in detecting system, and makes the flow that laminar tube flow gauge 8 shows be less than 0.5m3/h；
Then, under automatically controlled 7 effect, gradually increase the aperture of electric-controlled ball valve 9, by pressure transducer, detect tested valve 6
Whether close in regulation range of flow；
Under automatically controlled 7 effect, tested valve 6 is opened by 3 drive cylinder 10 of reset pressure regulator, realizes automatically reseting, repeated
Control is to predetermined number of times or valve cannot be closed above.
Inflow-rate of water turbine stop valve reliability automatic detection device realizes valve by the pressure change at tested 6 two ends of valve of detection
The automatic inspection whether door closes, saves artificial operation；Digital collection of the laminar tube flow gauge 8 to flow signal, realizes
The instant detection of flow, provides basis for estimation for valve inflow-rate of water turbine cutting function reliability testing.
A kind of inflow-rate of water turbine stop valve reliability automatic detection device that the present invention is provided, which is rational in infrastructure, easy to operate, subtracts
Lack the tedious steps of manual detection, improve the detection efficiency of inflow-rate of water turbine stop valve reliability.
The present invention is not limited to above-mentioned embodiment, and anyone can show that under the enlightenment of patent of the present invention other are various
The product of form, however, make any change in its shape or structure, it is every with skill identical or similar to the present application
Art scheme, all falls within the protection domain of patent of the present invention.
Claims (5)
1. a kind of inflow-rate of water turbine stop valve reliability automatic detection device, it is characterised in that including air accumulator（1）, measure loop, again
Position loop and automatically controlled（7）；
The measure loop includes detecting pressure regulator（2）, regulating valve（4）, pressure transducer（5）, laminar tube flow gauge（8）And electricity
Ball-handling valve（9）, the air accumulator（1）By pipeline and regulating valve（4）Connection, regulating valve（4）Further through pipeline and tested valve
（6）One end connection, tested valve（6）The other end further through pipeline and electric-controlled ball valve（9）Connection, the detection pressure regulator
（2）It is arranged on air accumulator（1）With regulating valve（4）Between pipeline on, the laminar tube flow gauge（8）It is arranged on tested valve
（6）With electric-controlled ball valve（9）Between pipeline on；
The reset loop includes reset pressure regulator（3）And cylinder（10）, wherein air accumulator（1）By pipeline and cylinder（10）Even
It is logical, cylinder（10）Again with tested valve（6）On reset lever connection, the reset pressure regulator（3）It is arranged on air accumulator（1）With
Cylinder（10）Between pipeline on；
Described automatically controlled（7）On be provided with input port and output port, automatically controlled（7）Input port and pressure transducer
（5）, laminar tube flow gauge（8）Connection, receives pressure transducer（5）, laminar tube flow gauge（8）The input signal for sending；It is automatically controlled
Platform（7）Output port and regulating valve（4）, electric-controlled ball valve（9）Connection, controls to adjust valve（4）, electric-controlled ball valve（9）Folding.
2. inflow-rate of water turbine stop valve reliability automatic detection device according to claim 1, it is characterised in that the regulating valve
（4）For automatically controlled ratio adjusting valve.
3. inflow-rate of water turbine stop valve reliability automatic detection device according to claim 1, it is characterised in that the pressure is passed
Sensor（5）It is separately positioned on tested valve（6）On the pipeline at two ends, pressure transducer（5）The signal and laminar tube flow amount of acquisition
Meter（8）The signal of acquisition is wirelessly transmitted to automatically controlled（7）, automatically controlled（7）Signal control according to obtaining is connected with which
The regulating valve for connecing（4）And electric-controlled ball valve（9）.
4. inflow-rate of water turbine stop valve reliability automatic detection device according to claim 1, it is characterised in that the tested valve
Door（6）On reset lever and cylinder（10）By snapping connection.
5. inflow-rate of water turbine stop valve reliability automatic detection device according to claim 1, it is characterised in that the inflow-rate of water turbine
The tested valve that stop valve reliability automatic detection device is detected simultaneously（6）Quantity more than one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610952797.4A CN106568588B (en) | 2016-11-03 | 2016-11-03 | A kind of inflow-rate of water turbine stop valve reliability automatic detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610952797.4A CN106568588B (en) | 2016-11-03 | 2016-11-03 | A kind of inflow-rate of water turbine stop valve reliability automatic detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106568588A true CN106568588A (en) | 2017-04-19 |
| CN106568588B CN106568588B (en) | 2018-10-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610952797.4A Active CN106568588B (en) | 2016-11-03 | 2016-11-03 | A kind of inflow-rate of water turbine stop valve reliability automatic detection device |
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| CN (1) | CN106568588B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110058095A (en) * | 2019-03-12 | 2019-07-26 | 中国农业大学 | Simulate the irrigation magnetic valve performance test macro and method of multi-water resources irrigation conditions |
| CN112082753A (en) * | 2019-06-12 | 2020-12-15 | 中国石油化工股份有限公司 | Overcurrent performance testing device and method for emergency cut-off valve |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1440267B1 (en) * | 2001-11-01 | 2005-09-28 | Shell Internationale Researchmaatschappij B.V. | Over-pressure protection system |
| CN204924625U (en) * | 2015-07-03 | 2015-12-30 | 武汉华威专用汽车检测有限责任公司 | Many function test of quick action emergency valve platform |
| CN205175682U (en) * | 2015-12-07 | 2016-04-20 | 成都伦慈仪表有限公司 | Gas cut -off valve debugs frock |
-
2016
- 2016-11-03 CN CN201610952797.4A patent/CN106568588B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1440267B1 (en) * | 2001-11-01 | 2005-09-28 | Shell Internationale Researchmaatschappij B.V. | Over-pressure protection system |
| CN204924625U (en) * | 2015-07-03 | 2015-12-30 | 武汉华威专用汽车检测有限责任公司 | Many function test of quick action emergency valve platform |
| CN205175682U (en) * | 2015-12-07 | 2016-04-20 | 成都伦慈仪表有限公司 | Gas cut -off valve debugs frock |
Non-Patent Citations (1)
| Title |
|---|
| 刘伟忠等: "紧急切断阀过流性能检测装置的研制", 《中国化工装备》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110058095A (en) * | 2019-03-12 | 2019-07-26 | 中国农业大学 | Simulate the irrigation magnetic valve performance test macro and method of multi-water resources irrigation conditions |
| CN112082753A (en) * | 2019-06-12 | 2020-12-15 | 中国石油化工股份有限公司 | Overcurrent performance testing device and method for emergency cut-off valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106568588B (en) | 2018-10-26 |
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