CN205958030U - Valve status on -line monitoring system - Google Patents
Valve status on -line monitoring system Download PDFInfo
- Publication number
- CN205958030U CN205958030U CN201620961722.8U CN201620961722U CN205958030U CN 205958030 U CN205958030 U CN 205958030U CN 201620961722 U CN201620961722 U CN 201620961722U CN 205958030 U CN205958030 U CN 205958030U
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- valve
- pressure
- signal
- line monitoring
- monitoring system
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Abstract
Valve status on -line monitoring system. An improve that the industrial process control and detection field especially relates to valve status on -line monitoring and failure diagnosis's technique is related to. The utility model provides a structure is exquisite, convenient to use and reliability are high, and usable valve position during the use volume of opening of table valve (the valve bore, ), valve pressure gauge are calculated out theoretical moment of torsion and is compared with actual moment of torsion to carry out accurate valve status on -line monitoring system and the working method who judges to valve status. Electric actuator is connected with the valve, just is used for driving valve to do and opens the motion or close the motion, torque sensor connects between electric actuator and valve, and is used for gathering the current moment of torsion of valve, pressure transmitter is connected with compression testing machine, and is used for measuring current operating pressure on the valve to turn into the current signal, the utility model discloses have the characteristics that structure exquisiteness, convenient to use and reliability are high on the whole.
Description
Technical field
This utility model is related to industrial stokehold and detection field, and more particularly, to valve state on-line monitoring and fault is examined
The improvement of disconnected technology.
Background technology
At present, because testing equipment reason user of service is to valve on-line operation state no accurate data supporting, design and
Manufacture valve often to be carried out according to Theoretical Calculation and experience, there is relatively large deviation with actual condition.And valve state characterization parameter：
Often carry out on different instruments when moment of torsion, valve position, stress test it is impossible to set up the mutual relation of parameter, simultaneously cannot be right
Fault valve is screened and is judged, thus proposing maintenance suggestion.
Utility model content
This utility model is directed to problem above it is proposed that a kind of delicate structure, easy to use and reliability is high, can during use
Using valve position (i.e. valve aperture, the open amount of meter valve), valve pressure calculates theoretical torque and actual torque is compared,
Thus the valve state on-line monitoring system that valve state is accurately judged and its method of work.
The technical solution of the utility model is：Including calculating center, parameter tester, pressure transmitter, pressure testing machine,
Electric device and torque sensor；
Described electric device is connected with valve, and is used for driving valve to do opening movement or closedown campaign；
Described torque sensor is connected between electric device and valve, and for gathering the current moment of torsion of valve；
Described pressure testing machine is connected with valve, and for applying external pressure to valve；
Described pressure transmitter is connected with pressure testing machine, and for measuring current operating pressure on valve, and turn
Turn to current signal；
Described pressure transmitter, torque sensor, electric device are all connected with calculating center by parameter tester, institute
State parameter tester to be used for the mutual conversion of current signal and voltage signal.
Described calculating sends switching value instruction centrally through parameter tester to described electric device, thus control valve is done
Opening movement or closedown campaign, and obtain current valve aperture by receiving 4～20mA feedback signal of electric device.
The current moment of torsion of valve is gathered by described torque sensor, and is being converted into the electricity of corresponding 4～20mA
In |input paramete tester after stream signal.
Described pressure testing machine includes liquid booster pump, Stress control platform and pressure test bench, described Stress control platform with
Calculating center is connected；
By liquid booster pump to valve supercharging and pressurize；
By Stress control platform closed loop control booster pump, realize supercharging pump pressure precise control；
Test pressure time graph is shown in real time by testing stand.
Described pressure transmitter includes Silicon pressure sensing element, and described Silicon pressure sensing element is connected with valve, is used for
Operating pressure on valve is converted to the current signal of 4～20mA.
Described valve parameter setting instrument includes Signal interface module, three Signal-regulated kinase, ON-OFF control circuit modules
With relay signal input module；
Described Signal interface module is used for connecting calculating center；
Described ON-OFF control circuit module, relay signal input module be connected to electric device and Signal interface module it
Between, for driving valve to do opening movement or closedown campaign；
Three described Signal-regulated kinase are both connected on Signal interface module, and three described Signal-regulated kinase are respectively
Be connected to electric device, torque sensor, on pressure transmitter, described Signal-regulated kinase include being sequentially connected for gathering
The acquisition module of the current signal of 4～20mA, the filtration module for filtering and for by the current signal of 4～20mA and 0～
The modular converter of 10V voltage signal mutually conversion.
It is additionally provided with the heart in described calculating and safeguard data base and Mishap Database.
Pass through to the center of calculating, parameter tester, pressure transmitter, pressure testing machine, electric device in this utility model
Pool with torque sensor controls so that can easily generate in the heart different time lower valve bore, work pressure in calculating
Power, the data sheet of actual measurement moment of torsion；Hereafter, substitute into the range of error of valve aperture, after the range of error of pressure, you can using defeated
Formula in the minds of entering in calculateConvenient,
Accurately calculate TpValue and TfValue；Finally, by TpValue and TfValue can secondary compare with reference to the error of moment of torsion, check
Mode is precisely, efficiently judge to valve state.This utility model has delicate structure, easy to use and can on the whole
By the high feature of property.
Brief description
Fig. 1 is structural representation of the present utility model,
Fig. 2 is the structural representation of parameter tester in this utility model,
Fig. 3 is workflow diagram of the present utility model；
Specific embodiment
This utility model as Figure 1-3, including calculating center, parameter tester, pressure transmitter, pressure testing machine,
Electric device and torque sensor；
Described electric device is connected with valve, and is used for driving valve to do opening movement or closedown campaign；
Described torque sensor is connected between electric device and valve, and for gathering the current moment of torsion of valve；
Described pressure testing machine is connected with valve, and for applying external pressure to valve；
Described pressure transmitter is connected with pressure testing machine, and for measuring current operating pressure on valve, and turn
Turn to current signal；
Described pressure transmitter, torque sensor, electric device are all connected with calculating center by parameter tester, institute
State parameter tester to be used for the mutual conversion of current signal and voltage signal.
Described calculating sends switching value instruction centrally through parameter tester to described electric device, thus control valve is done
Opening movement or closedown campaign, and obtain current valve aperture by receiving 4～20mA feedback signal of electric device.Its
In the electric device that receives send 4～20mA feedback signal and there is corresponding relation, therefore, in calculating with current valve aperture
The heart feeds back signal by the 4～20mA sending to electric device and can extrapolate current valve aperture.
The current moment of torsion of valve is gathered by described torque sensor, and is being converted into the electricity of corresponding 4～20mA
In |input paramete tester after stream signal.Thus after the current signal of 4～20mA switchs to 0～10V voltage signal, effectively right
, current anti-twisted, the i.e. current real-time moment of torsion of valve should be obtained out.
Described pressure testing machine includes liquid booster pump, Stress control platform and pressure test bench, described Stress control platform with
Calculating center is connected；
By liquid booster pump to valve supercharging and pressurize；
By Stress control platform closed loop control booster pump, realize supercharging pump pressure precise control；
Test pressure time graph is shown in real time by testing stand.
Described pressure transmitter includes Silicon pressure sensing element, and described Silicon pressure sensing element is connected with valve, is used for
Operating pressure on valve is converted to the current signal of 4～20mA.Thus the current signal in 4～20mA switchs to 0～10V electricity
After pressure signal, effectively correspond to, obtain out the current pressure of valve.
Described valve parameter setting instrument includes Signal interface module, three Signal-regulated kinase, ON-OFF control circuit modules
With relay signal input module；
Described Signal interface module is used for connecting calculating center；
Described ON-OFF control circuit module, relay signal input module be connected to electric device and Signal interface module it
Between, for driving valve to do opening movement or closedown campaign；
Three described Signal-regulated kinase are both connected on Signal interface module, and three described Signal-regulated kinase are respectively
Be connected to electric device, torque sensor, on pressure transmitter, described Signal-regulated kinase include being sequentially connected for gathering
The acquisition module of the current signal of 4～20mA, the filtration module for filtering and for by the current signal of 4～20mA and 0～
The modular converter of 10V voltage signal mutually conversion.
It is additionally provided with the heart in described calculating and safeguard data base and Mishap Database.
It is operated according to the following steps：
1), known parameters are inputted：By valve aperture during valve wide open, coefficient of friction, the diameter of axle, the range of error of pressure,
The range of error input of the range of error of valve aperture and moment of torsion is intracardiac in calculating；
2), pre-add external pressure：Opening pressure testing machine, sets external pressure during test by Stress control platform；
2), test：Electric device is controlled by the center of calculating, thus driving valve to be run to full off state by full-gear,
Run to full-gear by full off state again；
3), data acquisition：Calculating center be computed after will gather each part data, and generate valve aperture, work
The operationally interior form of pressure, actual measurement moment of torsion；
4), calculate Tp：The range of error of the operating pressure, valve aperture and valve aperture of actual measurement is substituted into formulaCalculate Tp, and insert in form；This
When, the pressure value of some actual measurements is divided into some groups, in each group by the range of error of pressure value, valve aperture and valve aperture
Substitute into and calculate, thus obtaining some groups of TpValue, same group of TpIt is worth corresponding time, pressure and actual measurement moment of torsion and keep constant, valve port
The call by value in footpath then actual measurement valve aperture be added with the range of error of valve aperture after numerical intervals in change and and Tp
Value corresponds；I.e. with operating pressure as standard value, the range of error according to valve aperture calculates some groups of TpValue；
5), calculate Tf：The range of error scope of the valve aperture, operating pressure and pressure of actual measurement is substituted into formulaCalculate Tf, and insert in form；This
When, the valve aperture of some actual measurements is divided into some groups, in each group by the range of error of valve aperture, operating pressure and pressure
Scope substitutes into and calculates, thus obtaining some groups of TfValue, same group of TfIt is worth corresponding time, valve aperture and actual measurement moment of torsion to keep not
Become, the call by value of pressure then changes and and T in the numerical intervals after the pressure value of actual measurement is added with the range of error of pressuref
Value corresponds；I.e. with valve aperture as standard value, the range of error according to operating pressure calculates some groups of TfValue；
6), judge the moment of torsion surveyed whether in TpRange of error in, be then entrance step 7)；Otherwise enter step 9)；
7), judge the moment of torsion surveyed whether in TfRange of error in, be then entrance step 8)；Otherwise enter step 9)；
8), generate return on qualification：Calculating center combines safeguards data base, generates return on qualification, and provides maintenance suggestion；Turn
Enter step 10)；
9), generate Trouble Report：Calculating center combines Mishap Database, generates Trouble Report, and provides maintenance suggestion；Turn
Enter step 10)；
10), finish.
This utility model is in step 6) to step 9) by Tp、TfWith step 1) in the range of error of moment of torsion of input combine,
To step 3) the middle moment of torsion gathering is analyzed judging, thus carried out good by way of secondary comparison, check to valve state
Good, effectively judgement, and generate accurate return on qualification or Trouble Report thereafter.
Claims (7)
1. valve state on-line monitoring system is it is characterised in that include calculating center, parameter tester, pressure transmitter, pressure
Testing machine, electric device and torque sensor；
Described electric device is connected with valve, and is used for driving valve to do opening movement or closedown campaign；
Described torque sensor is connected between electric device and valve, and for gathering the current moment of torsion of valve；
Described pressure testing machine is connected with valve, and for applying external pressure to valve；
Described pressure transmitter is connected with pressure testing machine, and for measuring current operating pressure on valve, and be converted into
Current signal；
Described pressure transmitter, torque sensor, electric device are all connected with calculating center by parameter tester, described ginseng
Number tester is used for the mutual conversion of current signal and voltage signal.
2. valve state on-line monitoring system according to claim 1 is it is characterised in that described calculating is centrally through parameter
Tester sends switching value instruction to described electric device, thus control valve does opening movement or closedown campaign, and by connecing
4～20mA feedback the signal receiving electric device is to obtain current valve aperture.
3. valve state on-line monitoring system according to claim 1 is it is characterised in that adopted by described torque sensor
The current moment of torsion of collection valve, and in |input paramete tester after the current signal being converted into corresponding 4～20mA.
4. valve state on-line monitoring system according to claim 1 is it is characterised in that described pressure testing machine includes liquid
Body booster pump, Stress control platform and pressure test bench, described Stress control platform is connected with calculating center；
By liquid booster pump to valve supercharging and pressurize；
By Stress control platform closed loop control booster pump, realize supercharging pump pressure precise control；
Test pressure time graph is shown in real time by testing stand.
5. valve state on-line monitoring system according to claim 1 is it is characterised in that described pressure transmitter includes silicon
Pressure-sensing device, described Silicon pressure sensing element is connected with valve, for the operating pressure on valve is converted to 4～
The current signal of 20mA.
6. valve state on-line monitoring system according to claim 1 is it is characterised in that described valve parameter setting instrument bag
Include Signal interface module, three Signal-regulated kinase, ON-OFF control circuit module and relay signal input module；
Described Signal interface module is used for connecting calculating center；
Described ON-OFF control circuit module, relay signal input module are connected between electric device and Signal interface module,
For driving valve to do opening movement or closedown campaign；
Three described Signal-regulated kinase are both connected on Signal interface module, and three described Signal-regulated kinase connect respectively
On electric device, torque sensor, pressure transmitter, described Signal-regulated kinase include being sequentially connected for collection 4～
The acquisition module of the current signal of 20mA, the filtration module for filtering and for by the current signal of 4～20mA and 0～10V
The modular converter of voltage signal mutually conversion.
7. valve state on-line monitoring system according to claim 1 is it is characterised in that be additionally provided with the heart in described calculating
Safeguard data base and Mishap Database.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620961722.8U CN205958030U (en) | 2016-08-26 | 2016-08-26 | Valve status on -line monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620961722.8U CN205958030U (en) | 2016-08-26 | 2016-08-26 | Valve status on -line monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205958030U true CN205958030U (en) | 2017-02-15 |
Family
ID=57979697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620961722.8U Expired - Fee Related CN205958030U (en) | 2016-08-26 | 2016-08-26 | Valve status on -line monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205958030U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106197558A (en) * | 2016-08-26 | 2016-12-07 | 扬州电力设备修造厂有限公司 | A kind of valve state on-line monitoring system and method for work thereof |
| CN107990048A (en) * | 2017-11-29 | 2018-05-04 | 王素均 | A kind of proportioning valve, servo valve state connector |
-
2016
- 2016-08-26 CN CN201620961722.8U patent/CN205958030U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106197558A (en) * | 2016-08-26 | 2016-12-07 | 扬州电力设备修造厂有限公司 | A kind of valve state on-line monitoring system and method for work thereof |
| CN107990048A (en) * | 2017-11-29 | 2018-05-04 | 王素均 | A kind of proportioning valve, servo valve state connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170215 Termination date: 20210826 |