CN103883792B - Valve actuator - Google Patents
Valve actuator Download PDFInfo
- Publication number
- CN103883792B CN103883792B CN201410141696.XA CN201410141696A CN103883792B CN 103883792 B CN103883792 B CN 103883792B CN 201410141696 A CN201410141696 A CN 201410141696A CN 103883792 B CN103883792 B CN 103883792B
- Authority
- CN
- China
- Prior art keywords
- valve
- valve rod
- gear
- housing
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 230000006698 induction Effects 0.000 claims description 12
- 238000012935 Averaging Methods 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 15
- 239000007788 liquid Substances 0.000 description 3
- 230000004899 motility Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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
-
- 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
Abstract
The present invention relates to a kind of valve actuator, including valve rod, valve rod localizer, the drive mechanism of valve rod and reception valve rod fixture signal to control the controller of drive mechanism, described valve rod localizer is set to grating sensor, described grating sensor includes housing and the moving grid being arranged in housing and the fixed grid sealed, described valve rod is provided with connecting rod, described connecting rod one end is fixing with valve rod to be connected, the described connecting rod other end is connected through described housing and described moving grid are fixing, is provided with sealing mechanism between described connecting rod and housing.Technical solution of the present invention, moving grid displacement carrys out feedback control source of the gas tolerance, has precision higher, maneuverable effect.
Description
Technical field
The present invention relates to a kind of valve actuator.
Background technology
Valve actuator, including valve rod, valve rod localizer, the drive mechanism of valve rod and reception valve rod fixture signal to control the controller of drive mechanism, but traditional valve actuator, its valve rod localizer and controller are usually whole installation, it is placed near valve rod, when valve is in the environment of relatively severe (such as liquid or gaseous state), its valve rod localizer and the separable operation of controller, range is wide, easily operates.
Summary of the invention
The deficiency existed for prior art, it is an object of the invention to provide one and is effectively improved using method, and valve rod localizer separates use with controller, and valve rod positioner feedback to control centre controls valve flow, improves precision and motility.
For achieving the above object, the technical scheme is that a kind of valve actuator, including valve rod, valve rod localizer, the drive mechanism of valve rod and reception valve rod fixture signal are to control the controller of drive mechanism, described valve rod localizer is set to grating sensor, described grating sensor includes housing and the moving grid being arranged in housing and the fixed grid sealed, described valve rod is provided with connecting rod, described connecting rod one end is fixing with valve rod to be connected, the described connecting rod other end is connected through described housing and described moving grid are fixing, it is provided with sealing mechanism between described connecting rod and housing.
By using technique scheme, when valve is operated, it is cylinder action that controller controls bleed pressure, valve rod is started, valve rod drivening rod action, connecting rod drives moving grid action, thus the position of valve rod is sensed, when valve rod reaches desired location, grating sensor sends a signal to controller, and controller makes drive mechanism stop driving.Owing to grating sensor has seal casinghousing, and it is provided with sealing mechanism between connecting rod and housing, therefore, grating sensor can be used safely in the environment of relatively severe (such as liquid or gaseous state), and grating sensor can be separated with controller, data transmission is carried out by data wire or long distance wireless, controller is used in the environment of being placed in safety, thus, technical solution of the present invention, have and be effectively improved motility and precision, improve the effect in service life.
The present invention is arranged further: described drive mechanism is set to pneumatic actuator, described pneumatic actuator includes air inlet pipe and the escape pipe that cylinder body is connected with cylinder body, being provided with, on described air inlet pipe and escape pipe, the first electromagnetic valve opening or closing air inlet pipe with escape pipe respectively, described controller electrically connects with described first electromagnetic valve.
By using technique scheme, by controller control, open the first electromagnetic valve in air inlet pipe, the first electromagnetic valve closed on escape pipe, or the first electromagnetic valve closed the first electromagnetic valve in air inlet pipe, open on escape pipe, operate to be turned on and off valve to valve rod.
The present invention is arranged further: further averaging, on described air inlet pipe and escape pipe, the second electromagnetic valve not being provided with control air inlet pipe with escape pipe tolerance size, described controller electrically connects with described second electromagnetic valve.
By using technique scheme, controlled the tolerance size of air inlet pipe and escape pipe by the second electromagnetic valve, to improve the performance accuracy of valve rod.
The present invention is arranged further: described grating sensor passes described housing by data wire and is connected with described controller, is provided with sealing ring between described data wire and housing.
The present invention is arranged further: described valve rod is set to linear stem, and described grating sensor is set to straight-grating type thread sensor.
By using technique scheme, for the straight stroke valve such as gate valve, stop valve.
The present invention is arranged further: described valve rod is set to rotary motion valve bar, and described grating sensor is set to circle grating angular transducer.
By using technique scheme, for the angular travel valve such as butterfly valve, ball valve.
The present invention is arranged further: described grating sensor is set to capacitor grid transducer.
By using technique scheme, have that volume is little, simple in construction, resolution and accuracy is high, measuring speed is fast, power consumption is little, low cost, to using the most high prominent feature of environmental requirement.
The present invention is arranged further: described grating sensor is set to magnetic induction sensor, it is provided with transfer gear train between described valve rod and magnetic induction sensor, described transfer gear train includes the first gear and the second gear, described first gear matches with valve rod setting, described second gear and the first gear are meshed setting, and described second gear matches with magnetic induction sensor setting, described first outside diameter of gear is more than the external diameter of described second gear, and described valve rod is provided with limit switch.
By using technique scheme, gear train is accelerated, and improves the precision of magnetic induction sensor.
The invention will be further described below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Fig. 1 is the embodiment of the present invention one structure chart；
Fig. 2 is the embodiment of the present invention two structure chart；
Fig. 3 is embodiment of the present invention linear stem structure chart；
Fig. 4 is embodiment of the present invention rotary motion valve bar structure chart.
Detailed description of the invention
Seeing accompanying drawing 1 or 2, valve actuator disclosed by the invention, including valve rod 1, valve rod localizer 2, the drive mechanism 3 of valve rod 1 and reception valve rod 1 fixture signal to control the controller 4 of drive mechanism 33, described valve rod localizer 2 is set to grating sensor.
The present invention is arranged further: described grating sensor includes the housing 21 sealed and the moving grid 22 being arranged in housing 21 and fixed grid 23, described valve rod 1 is provided with connecting rod 5, described connecting rod one end is fixing with valve rod 1 to be connected, the described connecting rod other end is connected through described housing 21 is fixing with described moving grid 22, being provided with sealing mechanism 24 between described connecting rod and housing 21, sealing mechanism 24 preferably employs airtight and watertight padding.By using technique scheme, when valve rod 1 is operated, controller makes drive mechanism 3 action, valve rod 1 is started, valve rod 1 drivening rod 5 action, connecting rod 5 drives moving grid 22 action, thus the position of valve rod 1 is sensed, when valve rod 1 reaches desired location, grating sensor sends a signal to controller, and controller makes drive mechanism 3 stop driving.Owing to grating sensor has seal casinghousing 21, and it is provided with sealing mechanism 24 between connecting rod and housing 21, therefore, grating sensor can be used safely in the environment of relatively severe (such as liquid or gaseous state), and grating sensor can be separated with controller, data transmission is carried out by data wire or long distance wireless, controller is used in the environment of being placed in safety, thus, technical solution of the present invention, have and be effectively improved motility and precision, improve the effect in service life.
The present invention is arranged further: described drive mechanism 3 is set to pneumatic actuator, described pneumatic actuator includes air inlet pipe 32 and the escape pipe 33 that cylinder body 31 is connected with cylinder body 31, being provided with, on described air inlet pipe 32 and escape pipe 33, the first electromagnetic valve 34 opening or closing air inlet pipe 32 with escape pipe 33 respectively, described controller 4 electrically connects with described first electromagnetic valve 34.By using technique scheme, by controller control, open the first electromagnetic valve 34 in air inlet pipe 32, the first electromagnetic valve 34 closed on escape pipe 33, or the first electromagnetic valve 34 closed the first electromagnetic valve 34 in air inlet pipe 32, open on escape pipe 33, operate to be turned on and off valve to valve rod 1.
The present invention is arranged further: further averaging, on described air inlet pipe 32 and escape pipe 33, the second electromagnetic valve 35 not being provided with control air inlet pipe 32 with escape pipe 33 tolerance size, described controller electrically connects with described second electromagnetic valve 35.By using technique scheme, controlled the tolerance size of air inlet pipe 32 and escape pipe 33 by the second electromagnetic valve 35, to improve the performance accuracy of valve rod 1.
The present invention is arranged further: described grating sensor passes described housing 21 by data wire 6 and is connected with described controller 4, is provided with sealing ring between described data wire 6 and housing 21.
Seeing accompanying drawing 1, the present invention is arranged further: described valve rod 1 is set to linear stem 1, and described grating sensor is set to straight-grating type thread sensor.By using technique scheme, for the straight stroke valve such as gate valve, stop valve.
Seeing accompanying drawing 2, the present invention is arranged further: described valve rod 1 is set to rotary motion valve bar 1, and described grating sensor is set to circle grating angular transducer.By using technique scheme, for the angular travel valve such as butterfly valve, ball valve.
Grating sensor could be arranged to magnetic induction sensor, grating sensor, and the present invention is arranged further: described grating sensor is set to capacitor grid transducer.By using technique scheme, have that volume is little, simple in construction, resolution and accuracy is high, measuring speed is fast, power consumption is little, low cost, to using the most high prominent feature of environmental requirement.
See accompanying drawing 3, 4, wherein accompanying drawing 3 is linear stem, wherein accompanying drawing 4 is rotary motion valve bar, described grating sensor 2 is set to magnetic induction sensor, it is provided with transfer gear train between described valve rod 1 and magnetic induction sensor, described transfer gear train includes the first gear 7 and the second gear 8, described first gear 7 matches with valve rod 8 setting, described second gear 8 is meshed with the first gear 1 setting, and described second gear 8 matches with magnetic induction sensor setting, described first gear 7 external diameter is more than the external diameter of described second gear 8, and described valve rod 1 is provided with limit switch 9.By using technique scheme, gear train is accelerated, and improves the precision of magnetic induction sensor.
Claims (8)
1. a valve actuator, including valve rod, valve rod localizer, the drive mechanism of valve rod and reception valve rod fixture signal to control the controller of drive mechanism, it is characterised in that: described valve rod localizer is set to grating sensor；Described grating sensor includes housing and the moving grid being arranged in housing and the fixed grid sealed, described valve rod is provided with connecting rod, described connecting rod one end is fixing with valve rod to be connected, the described connecting rod other end is connected through described housing and described moving grid are fixing, is provided with sealing mechanism between described connecting rod and housing.
Valve actuator the most according to claim 1, it is characterized in that: described drive mechanism is set to pneumatic actuator, described pneumatic actuator includes air inlet pipe and the escape pipe that cylinder body is connected with cylinder body, being provided with, on described air inlet pipe and escape pipe, the first electromagnetic valve opening or closing air inlet pipe with escape pipe respectively, described controller electrically connects with described first electromagnetic valve.
Valve actuator the most according to claim 2, it is characterised in that: further averaging, on described air inlet pipe and escape pipe, the second electromagnetic valve not being provided with control air inlet pipe with escape pipe tolerance size, described controller electrically connects with described second electromagnetic valve.
Valve actuator the most according to claim 3, it is characterised in that: described grating sensor passes described housing by data wire and is connected with described controller, is provided with sealing ring between described data wire and housing.
5. according to the valve actuator described in claim 1 or 2 or 3 or 4, it is characterised in that: described valve rod is set to linear stem, and described grating sensor is set to straight-grating type thread sensor.
6. according to the valve actuator described in claim 1 or 2 or 3 or 4, it is characterised in that: described valve rod is set to rotary motion valve bar, and described grating sensor is set to circle grating angular transducer.
7. according to the valve actuator described in claim 1 or 2 or 3 or 4, it is characterised in that: described grating sensor is set to capacitor grid transducer.
Valve actuator the most according to claim 1, it is characterized in that: described grating sensor is set to magnetic induction sensor, it is provided with transfer gear train between described valve rod and magnetic induction sensor, described transfer gear train includes the first gear and the second gear, described first gear matches with valve rod setting, described second gear and the first gear are meshed setting, and described second gear matches with magnetic induction sensor setting, described first outside diameter of gear is more than the external diameter of described 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 CN103883792A (en) | 2014-06-25 |
| CN103883792B true 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) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6708083B2 (en) * | 2001-06-20 | 2004-03-16 | Frederick L. Orthlieb | Low-power home heating or cooling system |
| CN2881243Y (en) * | 2006-03-15 | 2007-03-21 | 陈秀林 | Optical grating pressure regulating valve |
| DE102008008541B3 (en) * | 2008-02-11 | 2009-03-26 | Areva Np Gmbh | Operating device for valve or armature, has worm gear and worm gear pair, which has worm arranged on worm shaft, where brake disk is displaced axially opposite to worm shaft and is arranged on worm shaft with rotating end |
| 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
Also Published As
| Publication number | Publication date |
|---|---|
| CN103883792A (en) | 2014-06-25 |
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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 |