CN105571794B - A kind of method of safe detection high-pressure solenoid valve - Google Patents
A kind of method of safe detection high-pressure solenoid valve Download PDFInfo
- Publication number
- CN105571794B CN105571794B CN201610156379.4A CN201610156379A CN105571794B CN 105571794 B CN105571794 B CN 105571794B CN 201610156379 A CN201610156379 A CN 201610156379A CN 105571794 B CN105571794 B CN 105571794B
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- China
- Prior art keywords
- pressure
- valve
- solenoid valve
- detection container
- outlet pipe
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Classifications
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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
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2876—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for valves
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3271—Testing of circuit interrupters, switches or circuit-breakers of high voltage or medium voltage devices
Abstract
The invention discloses a kind of methods of safe detection high-pressure solenoid valve, are related to solenoid valve detection field, method comprises the following steps：Solenoid valve is fixed in testboard first；It is then shut off protective cover；Subsequently connect control power supply, adjusts each parameter to measured piece requirement；Then protective door is closed, and opens high-pressure hydraulic pump；Then adjustment ball valve aperture is arranged to measured piece requirement is most corresponded to, and adjustment sensor is arranged to tested solenoid valve requirement；The manual key of console is finally pressed, measured piece switchs for several times, and whether observation electromagnetic valve work is normal；Measured piece detection if abnormal, is interrupted, each element releasing pressure automatically, and when pressure transmitter detects that each pipeline pressure-less state, protective cover automatically open, protective door is opened；Compared with prior art, in test process, the opening and closing of protective door realize the performance in the case where ensuring safety to high-pressure solenoid valve and are detected completely without human factor.
Description
Technical field
The present invention relates to solenoid valve detection fields, are specifically related to a kind of method of safe detection high-pressure solenoid valve.
Background technology
The detection of high-pressure solenoid valve, much although there are high-pressure solenoid valve in companies at present, but to performance and service life all worry weights
Weight, at heart the bottom of without, it is not known that these valves can reach the index of prescribed requirement on earth, some companies are equipped with high pressure
Pump, but scene can not be simulated, the problem for causing to occur various in practical applications.But the most it is important that when pressure reaches
After certain value, often safe this part is all ignored.
Invention content
Technical problems to be solved
How the performance of high-pressure solenoid valve to be detected in the case where ensuring safety.
Technical solution
In order to achieve the above objectives, the present invention provides a kind of methods of safe detection high-pressure solenoid valve, by following high
Pressure electromagnetic valve detecting system is implemented, and detecting system includes high pressure detection container, interior circulation waterway and outer circulation water route；
Outer circulation water route includes cistern, outer water inlet pipe and outer outlet pipe, outer water inlet pipe, outer outlet pipe connection cistern and
High pressure detection container, the liquid in cistern enter high pressure detection container, the liquid in high pressure detection container by outer water inlet pipe
Enter cistern by outer outlet pipe；Temperature sensor is equipped in high pressure detection container；
Interior circulation waterway includes high-pressure hydraulic pump, interior water inlet pipe and interior outlet pipe, between high-pressure hydraulic pump and high pressure detection container
It is connected with interior outlet pipe by interior water inlet pipe, the liquid in high pressure detection container enters high-pressure hydraulic pump, high pressure by interior water inlet pipe
Liquid in water pump enters high pressure detection container by interior outlet pipe；
The end of interior outlet pipe is equipped with testboard, and testboard is located in high pressure detection container, and solenoid valve to be measured, which is mounted on, to be surveyed
In test stand；Pressure sensor and pressure transmitter are additionally provided on interior outlet pipe, pressure transmitter is for measuring going out for high-pressure hydraulic pump
Water pressure, pressure sensor are used to measure the pressure in solenoid valve to be measured；
Interior outlet pipe includes main line, the first branch line and second branched pipe road；Main line is connected to high-pressure hydraulic pump and height
Detection container is pressed, accumulator, throttle valve, check valve, triple valve, ball valve, pressure gauge and pressure sensing are equipped with successively on main line
Device；First branch line is connected to triple valve and high pressure detection container, and the first branch line is equipped with regulating valve；Second branched pipe road
It is connected to throttle valve and high pressure detection container, second branched pipe road is equipped with pressure transmitter and regulating valve successively；
High-pressure solenoid valve detecting system further includes explosion-proof house, and explosion-proof house is made of implosion guard wall and protective door；
High-pressure solenoid valve detecting system further includes PLC, PLC receive the data that each sensor detects and according to preset value and
The switch of the data control protective door received；
High-pressure solenoid valve detecting system further includes safety relief pipeline, safety relief pipeline connection high-pressure hydraulic pump and high pressure inspection
Xylometer, safety relief pipeline are equipped with relief valve；
Method comprises the following steps：
Solenoid valve is fixed in testboard first；
It is then shut off protective cover；
Subsequently connect control power supply, adjusts each parameter to measured piece requirement；
Then protective door is closed, and opens high-pressure hydraulic pump；
Then adjustment ball valve aperture is arranged to measured piece requirement is most corresponded to, and adjustment sensor, which is arranged to tested solenoid valve, to be wanted
It asks；
The manual key of console is finally pressed, measured piece switchs for several times, and whether observation electromagnetic valve work is normal；If not just
Often, measured piece detection is interrupted, each element releasing pressure automatically, and when pressure transmitter detects each pipeline pressure-less state, protective cover is certainly
Dynamic to open, protective door is opened；If normal, continue leak detection, at this time working sensor, whether detection measured piece, which meets, is let out
Leakage requires；
When needing life tests, the life tests key system is pressed into full-automatic state；And often detect a valve
System has the memory of corresponding temperature, pressure, leakage value, count parameter, needs to can print and check when consulting related data.
Advantageous effect
Compared with prior art, the method for the detection high-pressure solenoid valve of safety of the invention, is detected by high-pressure solenoid valve
The actual condition of system simulated high-pressure solenoid valve, and in application method according to solenoid valve whether normally come determine to test into
Journey, and the numerical value of the process and each sensor detected determines whether protective door is opened so that in test process, protective door
It opens and closes completely without human factor, realizes the performance in the case where ensuring safety to high-pressure solenoid valve and examine
It surveys.
Description of the drawings
Fig. 1 is the structural schematic diagram of high-pressure solenoid valve detecting system of the present invention.
Wherein, 1 is high pressure detection container, and 2 be cistern, and 3 be water pump, and 4 be high-pressure hydraulic pump, and 5 be accumulator, and 6 be throttling
Valve, 7 be check valve, and 8 be triple valve, 9 is ball valve, 10 is pressure gauge, 11 be pressure sensor, and 12 be pressure transmitter, and 13 are
Solenoid valve to be measured, 14 be temperature sensor, and 15 be protective door, and 16 be implosion guard wall, and 17 be gate valve, and 18 be filter, and 19 are
Relief valve, 20 be regulating valve.
Specific implementation mode
With reference to the accompanying drawings and examples, the specific implementation mode of the present invention is described in further detail.Implement below
Example is not limited to the scope of the present invention for illustrating the present invention.
A kind of structure of high-pressure solenoid valve detecting system of the present invention is as shown in Figure 1, including high pressure detection container 1, interior follow
Ring water route and outer circulation water route；
Outer circulation water route includes cistern 2, outer water inlet pipe and outer outlet pipe, and outer water inlet pipe, outer outlet pipe are connected to cistern 2
With high pressure detection container 1, outer water inlet pipe is equipped with water pump 3, and liquid under the action of water pump 3 in cistern 2 passes through outer water inlet
Pipe enters high pressure detection container 1, and the liquid in high pressure detection container 1 enters cistern 2 by outer outlet pipe；
Interior circulation waterway includes high-pressure hydraulic pump 4, interior water inlet pipe and interior outlet pipe, high-pressure hydraulic pump 4 and high pressure detection container 1
Between be connected with interior outlet pipe by interior water inlet pipe, the liquid in high pressure detection container 1 enters high-pressure hydraulic pump by interior water inlet pipe
4, the liquid after pressurization is discharged into high pressure detection container 1 by high-pressure hydraulic pump by interior outlet pipe；
The end of interior outlet pipe is equipped with testboard, and testboard is located in high pressure detection container 1, and solenoid valve 13 to be measured is mounted on
On testboard；Pressure sensor 11 and pressure transmitter 12 are additionally provided on interior outlet pipe, pressure transmitter 12 is for measuring high pressure
The discharge pressure of water pump 4, pressure sensor 11 are used to measure the pressure in solenoid valve 13 to be measured.
In the present embodiment, interior outlet pipe includes main line, the first branch line and second branched pipe road；Main line is connected to
High-pressure hydraulic pump 4 and high pressure detection container 1 are equipped with accumulator 5, throttle valve 6, check valve 7, triple valve 8, ball valve on main line successively
9, pressure gauge 10 and pressure sensor 11；First branch line is connected to triple valve 8 and high pressure detection container 1, the first branch line
It is equipped with regulating valve 20；Second branched pipe road is connected to throttle valve 6 and high pressure detection container 1, and second branched pipe road is equipped with successively
Pressure transmitter 12 and the second regulating valve 20.
In the present embodiment, temperature sensor 14 is equipped in high pressure detection container 1.
In the present embodiment, further include explosion-proof house, explosion-proof house is made of implosion guard wall 16 and protective door 15.
In the present embodiment, further include console, console is equipped with PLC, and PLC receives the data that each sensor detects
And control each electric elements according to preset value and the data received and work, PLC is used to control the switch of protective door.
The test run flow of the present invention is according to the following steps：
1, clamping product
2, official seal shield
3, power supply is even controlled
4, electromagnetic valve work voltage is selected
5, protective door 15 is closed
6, high-pressure hydraulic pump is opened
7, adjustment ball valve aperture is arranged to measured piece requirement is most corresponded to, and adjustment sensor is arranged to tested solenoid valve requirement.
8, PLC operations are completed
9, when needing life tests, the life tests key system is pressed into full-automatic state.
The system testing process of the present invention is according to the following steps：
1, solenoid valve is fixed in testboard
2, each parameter is adjusted to measured piece requirement
3, the manual key of console is pressed, measured piece switchs for several times, and whether observation electromagnetic valve work is normal.If not conforming to
Lattice, measured piece detection are interrupted, and each element releasing pressure automatically, pressure transmitter receives each pipeline pressure-less state, and protective cover is automatic
It opens, protective door 15 is opened.If qualified, continue leak detection, at this time working sensor, to detect whether measured piece meets
Leakage requires.
4, when needing life tests, the life tests key system is pressed into full-automatic state.
5, often detecting a valve system has the memory of corresponding temperature, pressure, leakage value, count parameter, needs to consult
It can print and check when related data.
6, the structure of high-pressure hydraulic pump is typically all piston type, and in the case where working long hours, water temperature is gradually increasing, if in high temperature
Under be detected again, can allow high-pressure pump load down.Water external circulating systems are opened at this time, and water temperature can be allowed to be maintained at just for a long time
Under normal temperature, is conducive to protect the safety of high-pressure pump, run well.
In the present embodiment, further include safety relief pipeline, safety relief pipeline connection high-pressure hydraulic pump and high pressure detection are held
Device, safety relief pipeline are equipped with relief valve.
Beneficial effects of the present invention：Patent of the present invention can carry out solenoid valve comprehensive in the case of ensureing personnel safety
The performance detection of conjunction, and easy to operate, quick, work efficiency greatly promote, and testing result is true, persistently to change after pinpointing the problems
Into, it is ensured that the quality of product.
It the above is only the preferred embodiment of the present invention, it is noted that those skilled in the art are come
It says, without departing from the technical principles of the invention, several improvements and modifications can also be made, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (1)
1. a kind of method of safe monitoring high-pressure solenoid valve, which is characterized in that the method is examined by following high-pressure solenoid valves
Examining system is implemented, and the detecting system includes high pressure detection container (1), interior circulation waterway and outer circulation water route；
The outer circulation water route includes cistern (2), outer water inlet pipe and outer outlet pipe, the outer water inlet pipe, the connection of outer outlet pipe
The cistern (2) and high pressure detection container (1), the liquid in the cistern (2) pass through described in the outer water inlet pipe enters
High pressure detection container (1), the liquid in the high pressure detection container (1) enter the cistern (2) by the outer outlet pipe；
Temperature sensor (14) is equipped in the high pressure detection container (1)；
The interior circulation waterway includes high-pressure hydraulic pump (4), interior water inlet pipe and interior outlet pipe, the high-pressure hydraulic pump (4) and the height
It is connected with interior outlet pipe by interior water inlet pipe between pressure detection container (1), the liquid in the high pressure detection container (1) passes through interior
Water inlet pipe enters the high-pressure hydraulic pump (4), and the liquid in the high-pressure hydraulic pump (4) is detected by interior outlet pipe into the high pressure
Container (1)；
The end of the interior outlet pipe is equipped with testboard, and the testboard is located in the high pressure detection container (1), electromagnetism to be measured
Valve is mounted on the testboard；Pressure sensor (11) and pressure transmitter (12) are additionally provided on the interior outlet pipe, it is described
Pressure transmitter (12) is used to measure the discharge pressure of high-pressure hydraulic pump (4), and the pressure sensor (11) is for measuring electricity to be measured
Pressure in magnet valve；
The interior outlet pipe includes main line, the first branch line and second branched pipe road；The main line is connected to the high pressure
Water pump (4) and high pressure detection container (1) are equipped with accumulator (5), throttle valve (6), check valve (7), three on the main line successively
Port valve (8), ball valve (9), pressure gauge (10) and pressure sensor (11)；First branch line is connected to the triple valve (8)
With high pressure detection container (1), first branch line is equipped with regulating valve (20)；The second branched pipe road is connected to the section
Valve (6) and high pressure detection container (1) are flowed, the second branched pipe road is equipped with pressure transmitter (12) and regulating valve successively
(20)；
The high-pressure solenoid valve detecting system further includes explosion-proof house, and the explosion-proof house is by implosion guard wall (16) and protective door (15)
Composition；
The high-pressure solenoid valve detecting system further includes PLC, and the PLC receives the data that each sensor detects and according to default
It is worth and the data that receive controls the switch of the protective door；
The high-pressure solenoid valve detecting system further includes safety relief pipeline, high-pressure hydraulic pump described in the safety relief pipeline connection
(4) and high pressure detection container (1), the safety relief pipeline are equipped with relief valve (19)；
The method comprises the following steps：
Solenoid valve is fixed in testboard first；
It is then shut off protective cover；
Subsequently connect control power supply, adjusts each parameter to measured piece requirement；
Then protective door is closed, and opens high-pressure hydraulic pump；
Then adjustment ball valve aperture is arranged to measured piece requirement is most corresponded to, and adjustment sensor is arranged to tested solenoid valve requirement；
The manual key of console is finally pressed, measured piece switchs for several times, and whether observation electromagnetic valve work is normal；If abnormal,
Measured piece detection is interrupted, each element releasing pressure automatically, and when pressure transmitter (12) detects each pipeline pressure-less state, protective cover is certainly
Dynamic to open, protective door is opened；If normal, continue leak detection, at this time working sensor, whether detection measured piece, which meets, is let out
Leakage requires；
When needing life tests, the life tests key system is pressed into full-automatic state；And often detect a valve system
The memory for having corresponding temperature, pressure, leakage value, count parameter needs to can print and check when consulting related data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610156379.4A CN105571794B (en) | 2016-03-17 | 2016-03-17 | A kind of method of safe detection high-pressure solenoid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610156379.4A CN105571794B (en) | 2016-03-17 | 2016-03-17 | A kind of method of safe detection high-pressure solenoid valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105571794A CN105571794A (en) | 2016-05-11 |
| CN105571794B true CN105571794B (en) | 2018-09-18 |
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|---|---|---|---|
| CN201610156379.4A Active CN105571794B (en) | 2016-03-17 | 2016-03-17 | A kind of method of safe detection high-pressure solenoid valve |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107255556A (en) * | 2017-07-27 | 2017-10-17 | 嘉陵江亭子口水利水电开发有限公司 | Quick detection speed regulator force feed tank arrangement, system and method |
| CN107782504A (en) * | 2017-11-21 | 2018-03-09 | 鹤山市金汇五金卫浴实业有限公司 | A kind of device for detecting water pressure |
| CN108271678B (en) * | 2018-03-16 | 2023-08-18 | 大连民族大学 | Plant growth environment management device and management method based on Internet of things |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4520655A (en) * | 1981-12-18 | 1985-06-04 | Gordon E. Eldridge | Valve testing apparatus |
| CN201340329Y (en) * | 2009-01-07 | 2009-11-04 | 苏州赛华仪控有限公司 | Pressure testing device of power station valve |
| CN201788084U (en) * | 2010-08-19 | 2011-04-06 | 杭州沃镭科技有限公司 | Pneumatic electromagnetic valve comprehensive performance detecting device based on PC control |
| CN102213640A (en) * | 2011-04-11 | 2011-10-12 | 福州洁博利感应设备有限公司 | Automatic water-testing and pressure-testing control system of solenoid valve |
| CN202533245U (en) * | 2012-03-01 | 2012-11-14 | 深圳市亿威仕流体控制有限公司 | Solenoid valve water hammer test testing machine |
| CN203350398U (en) * | 2013-06-21 | 2013-12-18 | 上海敏泰液压股份有限公司 | A high-flow hydraulic solenoid valve normal temperature and high temperature testing system |
| CN104198175A (en) * | 2014-09-10 | 2014-12-10 | 安徽江淮汽车股份有限公司 | Solenoid valve test system |
| CN104502075A (en) * | 2014-12-03 | 2015-04-08 | 余姚市三力信电磁阀有限公司 | Steam electromagnetic valve safety detection system and safety detection method thereof |
| CN104614164A (en) * | 2015-01-20 | 2015-05-13 | 上海市特种设备监督检验技术研究院 | High-pressure circulating fatigue testing system for electromagnetic valve |
| CN205404110U (en) * | 2016-03-17 | 2016-07-27 | 余姚市三力信电磁阀有限公司 | High pressure solenoid detecting system |
-
2016
- 2016-03-17 CN CN201610156379.4A patent/CN105571794B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4520655A (en) * | 1981-12-18 | 1985-06-04 | Gordon E. Eldridge | Valve testing apparatus |
| CN201340329Y (en) * | 2009-01-07 | 2009-11-04 | 苏州赛华仪控有限公司 | Pressure testing device of power station valve |
| CN201788084U (en) * | 2010-08-19 | 2011-04-06 | 杭州沃镭科技有限公司 | Pneumatic electromagnetic valve comprehensive performance detecting device based on PC control |
| CN102213640A (en) * | 2011-04-11 | 2011-10-12 | 福州洁博利感应设备有限公司 | Automatic water-testing and pressure-testing control system of solenoid valve |
| CN202533245U (en) * | 2012-03-01 | 2012-11-14 | 深圳市亿威仕流体控制有限公司 | Solenoid valve water hammer test testing machine |
| CN203350398U (en) * | 2013-06-21 | 2013-12-18 | 上海敏泰液压股份有限公司 | A high-flow hydraulic solenoid valve normal temperature and high temperature testing system |
| CN104198175A (en) * | 2014-09-10 | 2014-12-10 | 安徽江淮汽车股份有限公司 | Solenoid valve test system |
| CN104502075A (en) * | 2014-12-03 | 2015-04-08 | 余姚市三力信电磁阀有限公司 | Steam electromagnetic valve safety detection system and safety detection method thereof |
| CN104614164A (en) * | 2015-01-20 | 2015-05-13 | 上海市特种设备监督检验技术研究院 | High-pressure circulating fatigue testing system for electromagnetic valve |
| CN205404110U (en) * | 2016-03-17 | 2016-07-27 | 余姚市三力信电磁阀有限公司 | High pressure solenoid detecting system |
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| CN105571794A (en) | 2016-05-11 |
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