CN103883792A - Valve actuator - Google Patents
Valve actuator Download PDFInfo
- Publication number
- CN103883792A CN103883792A CN201410141696.XA CN201410141696A CN103883792A CN 103883792 A CN103883792 A CN 103883792A CN 201410141696 A CN201410141696 A CN 201410141696A CN 103883792 A CN103883792 A CN 103883792A
- Authority
- CN
- China
- Prior art keywords
- valve
- valve rod
- grid
- gear
- rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 230000006698 induction Effects 0.000 claims description 12
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 16
- 239000007788 liquid Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0091—For recording or indicating the functioning of a valve in combination with test equipment by measuring fluid parameters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The invention relates to a valve actuator which comprises a valve rod, a valve rod locator, a valve rod drive mechanism and a controller for receiving signals of the valve rod locator to control the drive mechanism. The valve rod locator is a grid type sensor which comprises a sealed shell, a movable grid and a fixed grid, the movable grid and the fixed grid are arranged in the shell, the valve rod is provided with a connection rod, one end of the valve rod is fixedly connected with the valve rod, the other end of the connection rod penetrates through the shell and is fixedly connected with the movable grid, and a sealing mechanism is arranged between the connection rod and the shell. According to the technical scheme, the movable grid moves to feed back quantity of air of a control air source, and the valve actuator has the advantages of being higher in precision and easy to operate.
Description
Technical field
The present invention relates to a kind of valve actuator.
Background technique
Valve actuator, comprise that the driving mechanism of valve rod, valve rod positioning work piece, valve rod and receiving valve locators for poles signal are to control the controller of driving mechanism, but traditional valve actuator, its valve rod positioning work piece and controller are generally whole installation, and be placed near valve rod, when under the environment of valve for severe (as liquid or gaseous state), its valve rod positioning work piece and the separable operation of controller, using scope is wide, easily operation.
Summary of the invention
The deficiency existing for prior art, the object of the present invention is to provide a kind of using method that effectively improves, and valve rod positioning work piece separates use with controller, and valve rod positioning work piece feeds back to control centre and carrys out control valve flow, improves precision and flexibility.
For achieving the above object, the invention provides following technological scheme: a kind of valve actuator, comprise valve rod, valve rod positioning work piece, the driving mechanism of valve rod and receiving valve locators for poles signal are to control the controller of driving mechanism, described valve rod positioning work piece is set to grid formula sensor, described grid formula sensor comprises the housing of sealing and is arranged on moving grid and the fixed grid in housing, described valve rod is provided with connecting rod, described connecting rod one end is fixedly connected with valve rod, the described connecting rod the other end is fixedly connected with described moving grid through described housing, between described connecting rod and housing, be provided with sealing mechanism.
By adopting technique scheme, when valve is operated, controller control bleed pressure is cylinder action, valve rod is started, the action of valve rod drivening rod, connecting rod drives moving grid action, thereby the position to valve rod is responded to, in the time that valve rod reaches desired location, grid formula sensor sends a signal to controller, and controller makes driving mechanism stop driving.Because grid formula sensor has seal casinghousing, and be provided with sealing mechanism between connecting rod and housing, therefore, grid formula sensor can be used safely under the environment of severe (as liquid state or gaseous state), and grid formula sensor can be separated with controller, carry out data transmission by datawire or long distance wireless, controller can be placed under safe environment and use, thereby, technical solution of the present invention, there is effective raising flexibility and precision, improve the effect in working life.
The present invention further arranges: described driving mechanism is set to pneumatic actuator, suction tude and steam outlet pipe that described pneumatic actuator comprises cylinder body, is connected with cylinder body, on described suction tude and steam outlet pipe, be provided with respectively the first solenoid valve that opens or closes suction tude and steam outlet pipe, described controller is electrically connected with described the first solenoid valve.
By adopting technique scheme, by controller control, open the first solenoid valve in suction tude, close the first solenoid valve on steam outlet pipe, or close the first solenoid valve in suction tude, open the first solenoid valve on steam outlet pipe, valve rod is operated to open or throttle down.
The present invention further arranges: on described suction tude and steam outlet pipe, be also provided with respectively the second solenoid valve of controlling suction tude and steam outlet pipe tolerance size, described controller is electrically connected with described the second solenoid valve.
By adopting technique scheme, by the tolerance size of the second electromagnetic valve suction tude and steam outlet pipe, to improve the performance accuracy of valve rod.
The present invention further arranges: described grid formula sensor passes described housing by datawire and is connected with described controller, between described datawire and housing, is provided with seal ring.
The present invention further arranges: described valve rod is set to linear stem, and described grid formula sensor setting is straight-grating type thread sensor.
By adopting technique scheme, for the straight stroke valve such as gate valve, stop valve.
The present invention further arranges: described valve rod is set to rotary motion valve bar, and described grid formula sensor setting is circle grid formula angle transducer.
By adopting technique scheme, for the angular travel valve such as butterfly valve, ball valve.
The present invention further arranges: described grid formula sensor setting is capacitor grid transducer.
By adopting technique scheme, have that volume is little, simple in structure, resolution and degree of accuracy is high, measuring speed is fast, power consumption is little, cost is low, to outstanding features such as Environmental Conditions are less demanding.
The present invention further arranges: described grid formula sensor setting is magnetic induction sensor, between described valve rod and magnetic induction sensor, be provided with transfer gear train, described transfer gear train comprises the first gear and the second gear, the setting that matches with valve rod of described the first gear, the setting that is meshed with the first gear of described the second gear, and described the second gear matches society certainly with magnetic induction sensor, described first outside diameter of gear is greater than the external diameter of described the second gear, and described valve rod is provided with limit switch.
By adopting technique scheme, train of gearings is accelerated, and has improved the precision of magnetic induction sensor.
Below in conjunction with accompanying drawing, the invention will be further described.
Accompanying drawing explanation
Fig. 1 is the embodiment of the present invention one structural drawing;
Fig. 2 is the embodiment of the present invention two structural drawing;
Fig. 3 is embodiment of the present invention linear stem structural drawing;
Fig. 4 is embodiment of the present invention rotary motion valve bar structural drawing.
Embodiment
Referring to accompanying drawing 1 or 2, valve actuator disclosed by the invention, comprises the driving mechanism 3 of valve rod 1, valve rod positioning work piece 2, valve rod 1 and receives valve rod 1 fixture signal to control the controller 4 of driving mechanism 33, described valve rod positioning work piece 2 is set to grid formula sensor.
The present invention further arranges: described grid formula sensor comprises the housing 21 of sealing and is arranged on the moving grid 22 and fixed grid 23 in housing 21, described valve rod 1 is provided with connecting rod 5, described connecting rod one end is fixedly connected with valve rod 1, the described connecting rod the other end is fixedly connected with described moving grid 22 through described housing 21, between described connecting rod and housing 21, be provided with sealing mechanism 24, sealing mechanism 24 preferably adopts stuffing box packing.By adopting technique scheme, when valve rod 1 is operated, controller moves driving mechanism 3, valve rod 1 is started, and valve rod 1 drivening rod 5 moves, and connecting rod 5 drives moving grid 22 to move, thereby the position to valve rod 1 is responded to, in the time that valve rod 1 reaches desired location, grid formula sensor sends a signal to controller, and controller makes driving mechanism 3 stop driving.Because grid formula sensor has seal casinghousing 21, and be provided with sealing mechanism 24 between connecting rod and housing 21, therefore, grid formula sensor can be used safely under the environment of severe (as liquid state or gaseous state), and grid formula sensor can be separated with controller, carry out data transmission by datawire or long distance wireless, controller can be placed under safe environment and use, thereby, technical solution of the present invention, there is effective raising flexibility and precision, improve the effect in working life.
The present invention further arranges: described driving mechanism 3 is set to pneumatic actuator, suction tude 32 and steam outlet pipe 33 that described pneumatic actuator comprises cylinder body 31, is connected with cylinder body 31, on described suction tude 32 and steam outlet pipe 33, be provided with respectively the first solenoid valve 34 that opens or closes suction tude 32 and steam outlet pipe 33, described controller 4 is electrically connected with described the first solenoid valve 34.By adopting technique scheme, by controller control, open the first solenoid valve 34 in suction tude 32, close the first solenoid valve 34 on steam outlet pipe 33, or close the first solenoid valve 34 in suction tude 32, open the first solenoid valve 34 on steam outlet pipe 33, valve rod 1 is operated to open or throttle down.
The present invention further arranges: on described suction tude 32 and steam outlet pipe 33, be also provided with respectively the second solenoid valve 35 of controlling suction tude 32 and steam outlet pipe 33 tolerance sizes, described controller is electrically connected with described the second solenoid valve 35.By adopting technique scheme, control the tolerance size of suction tude 32 and steam outlet pipe 33 by the second solenoid valve 35, to improve the performance accuracy of valve rod 1.
The present invention further arranges: described grid formula sensor passes described housing 21 by datawire 6 and is connected with described controller 4, between described datawire 6 and housing 21, is provided with seal ring.
Referring to accompanying drawing 1, the present invention further arranges: described valve rod 1 is set to linear stem 1, and described grid formula sensor setting is straight-grating type thread sensor.By adopting technique scheme, for the straight stroke valve such as gate valve, stop valve.
Referring to accompanying drawing 2, the present invention further arranges: described valve rod 1 is set to rotary motion valve bar 1, and described grid formula sensor setting is circle grid formula angle transducer.By adopting technique scheme, for the angular travel valve such as butterfly valve, ball valve.
Grid formula sensor can be set to magnetic induction sensor, grating sensor, and the present invention further arranges: described grid formula sensor setting is capacitor grid transducer.By adopting technique scheme, have that volume is little, simple in structure, resolution and degree of accuracy is high, measuring speed is fast, power consumption is little, cost is low, to outstanding features such as Environmental Conditions are less demanding.
Referring to accompanying drawing 3, 4, wherein accompanying drawing 3 is linear stem, wherein accompanying drawing 4 is rotary motion valve bar, described grid formula sensor 2 is set to magnetic induction sensor, between described valve rod 1 and magnetic induction sensor, be provided with transfer gear train, described transfer gear train comprises the first gear 7 and the second gear 8, the setting that matches with valve rod 8 of described the first gear 7, the setting that is meshed with the first gear 1 of described the second gear 8, and described the second gear 8 matches society certainly with magnetic induction sensor, described the first gear 7 external diameters are greater than the external diameter of described the second gear 8, and described valve rod 1 is provided with limit switch 9.By adopting technique scheme, train of gearings is accelerated, and has improved the precision of magnetic induction sensor.
Claims (9)
1. a valve actuator, comprises that the driving mechanism of valve rod, valve rod positioning work piece, valve rod and receiving valve locators for poles signal, to control the controller of driving mechanism, is characterized in that: described valve rod positioning work piece is set to grid formula sensor.
2. valve actuator according to claim 1, it is characterized in that: described grid formula sensor comprises the housing of sealing and is arranged on moving grid and the fixed grid in housing, described valve rod is provided with connecting rod, described connecting rod one end is fixedly connected with valve rod, the described connecting rod the other end is fixedly connected with described moving grid through described housing, between described connecting rod and housing, is provided with sealing mechanism.
3. valve actuator according to claim 2, it is characterized in that: described driving mechanism is set to pneumatic actuator, suction tude and steam outlet pipe that described pneumatic actuator comprises cylinder body, is connected with cylinder body, on described suction tude and steam outlet pipe, be provided with respectively the first solenoid valve that opens or closes suction tude and steam outlet pipe, described controller is electrically connected with described the first solenoid valve.
4. valve actuator according to claim 3, is characterized in that: on described suction tude and steam outlet pipe, be also provided with respectively the second solenoid valve of controlling suction tude and steam outlet pipe tolerance size, described controller is electrically connected with described the second solenoid valve.
5. valve actuator according to claim 4, is characterized in that: described grid formula sensor passes described housing by datawire and is connected with described controller, between described datawire and housing, is provided with seal ring.
6. according to the valve actuator described in claim 1 or 2 or 3 or 4 or 5, it is characterized in that: described valve rod is set to linear stem, described grid formula sensor setting is straight-grating type thread sensor.
According to claim 1 or 2 or 3 or 4 or 5 described valve actuator, it is characterized in that: described valve rod is set to rotary motion valve bar, described grid formula sensor setting is circle grid formula angle transducer.
8. according to the valve actuator described in claim 1 or 2 or 3 or 4 or 5, it is characterized in that: described grid formula sensor setting is capacitor grid transducer.
9. valve actuator according to claim 1, it is characterized in that: described grid formula sensor setting is magnetic induction sensor, between described valve rod and magnetic induction sensor, be provided with transfer gear train, described transfer gear train comprises the first gear and the second gear, the setting that matches with valve rod of described the first gear, the setting that is meshed with the first gear of described the second gear, and described the second gear matches society certainly with magnetic induction sensor, described first outside diameter of gear is greater than the external diameter of described the second gear, and described valve rod is provided with limit switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410141696.XA CN103883792B (en) | 2014-04-09 | 2014-04-09 | Valve actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410141696.XA CN103883792B (en) | 2014-04-09 | 2014-04-09 | Valve actuator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103883792A true CN103883792A (en) | 2014-06-25 |
| CN103883792B CN103883792B (en) | 2016-09-14 |
Family
ID=50952838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410141696.XA Expired - Fee Related CN103883792B (en) | 2014-04-09 | 2014-04-09 | Valve actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103883792B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112303258A (en) * | 2020-10-31 | 2021-02-02 | 张家港市金秋环保科技有限公司 | Ventilation valve and use method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030014161A1 (en) * | 2001-06-20 | 2003-01-16 | Orthlieb Frederick L. | Low-power home heating or cooling system |
| CN2881243Y (en) * | 2006-03-15 | 2007-03-21 | 陈秀林 | Optical grating pressure regulating valve |
| CN101514765A (en) * | 2008-02-11 | 2009-08-26 | 阿雷瓦Np有限责任公司 | Operating device for valve or valve gear |
| CN103486312A (en) * | 2013-10-10 | 2014-01-01 | 苏州市燃气设备阀门制造有限公司 | Keying signal generator of hand valve |
| CN203784448U (en) * | 2014-04-09 | 2014-08-20 | 黄建斌 | Valve executor |
-
2014
- 2014-04-09 CN CN201410141696.XA patent/CN103883792B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030014161A1 (en) * | 2001-06-20 | 2003-01-16 | Orthlieb Frederick L. | Low-power home heating or cooling system |
| CN2881243Y (en) * | 2006-03-15 | 2007-03-21 | 陈秀林 | Optical grating pressure regulating valve |
| CN101514765A (en) * | 2008-02-11 | 2009-08-26 | 阿雷瓦Np有限责任公司 | Operating device for valve or valve gear |
| CN103486312A (en) * | 2013-10-10 | 2014-01-01 | 苏州市燃气设备阀门制造有限公司 | Keying signal generator of hand valve |
| CN203784448U (en) * | 2014-04-09 | 2014-08-20 | 黄建斌 | Valve executor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112303258A (en) * | 2020-10-31 | 2021-02-02 | 张家港市金秋环保科技有限公司 | Ventilation valve and use method thereof |
| CN112303258B (en) * | 2020-10-31 | 2022-11-11 | 张家港市金秋环保科技有限公司 | Ventilation valve and use method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103883792B (en) | 2016-09-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180613 Address after: 325000 Dongou street and second village, Yongjia County, Wenzhou, Zhejiang Patentee after: TEJI VALVE GROUP Co.,Ltd. Address before: 325300 five yuan Village, Nantian Town, Wencheng County, Wenzhou, Zhejiang Patentee before: Huang Jianbin |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160914 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |