CN1291182C - Electric valve controller - Google Patents
Electric valve controller Download PDFInfo
- Publication number
- CN1291182C CN1291182C CN 200410021495 CN200410021495A CN1291182C CN 1291182 C CN1291182 C CN 1291182C CN 200410021495 CN200410021495 CN 200410021495 CN 200410021495 A CN200410021495 A CN 200410021495A CN 1291182 C CN1291182 C CN 1291182C
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- CN
- China
- Prior art keywords
- gear
- valve
- axle
- contained
- gauge outfit
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- Expired - Fee Related
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- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The present invention relates to an electric valve controller which comprises a valve position transmitter and a valve controller, wherein a travel gear set of the valve position transmitter is engaged with a middle gear; an input shaft (namely a shaft A) of the valve position transmitter is connected with a main screw rod of a valve; a position transmission gear installed on a shaft C by the combined transmission of gears is in engaged transmission with a position transmission driven gear installed on a shaft D. A potentiometer connected to the shaft D emits a valve position signal, and a leading-out wire of the potentiometer is connected with the electric valve controller to realize the opening and the closure of the valve. The present invention has the advantages that the overall automatic control and display of the opening and the closure of the valve can be realized, and the electric valve controller can display the opening value of the valve in a digital mode; the control is accurate, and the valve device can not be damaged due to an excess moment. The technology can be widely applied to the power generation industry, steel industry, chemical industry, petroleum industry, tap water industry, etc.
Description
(1) technical field
The present invention relates to electric valve and open valve and the controller that closes valve, particularly utilization numeral shows and numerically controlled electric valve controller.
(2) background technique
Electric valve is mainly used in industries such as generating, iron and steel, oil, chemical industry, tap water.Existing electric valve mainly adopts snubber to cut off the control circuit of service meter, the purpose that reaches out and close.This controlling method can only control valve standard-sized sheet full cut-off, and its operating process is not known the residing position of valve as taking a part for the whole, and does not reach the purpose of any control.The mechanical contact of snubber is easy to cause malfunctioning, if moment of torsion transfinites and then more can cause the damage of valve and equipment thereof.
(3) summary of the invention
The technical problem to be solved in the present invention, thus provide a kind of any levelling valve Push And Release, and can provide the demonstration of accurate aperture numeral to reach the electric valve controller of automatic control.
The technological scheme that adopts is:
Electric valve controller, comprise valve location conveyer, valve positioner, the valve location conveyer comprises housing, base plate, bearing bracket stand, support, transmission shaft, position gear train and potentiometer, and the position gear train comprises stroke gear train, intermediate gear, position transmission gear.The stroke gear train is two groups and is contained in respectively on A axle and the B axle, and intermesh, intermediate gear is contained on the C axle, the position transmission gear is contained in C axle upper end, the position is transmitted driven gear and is contained on the D axle, presses one of speed ratio intermediate gear and stroke gear train and selects engagement, and the position transmission gear on the described C of the being contained in axle transmits the driven gear engagement with the position that is contained on the D axle, potentiometer is connected on the D axle that has position transmission driven gear, and the lead-in wire of potentiometer is connected with electric valve controller.
Above-mentioned valve location conveyer is provided with the position display table, comprises the dial plate, the gauge outfit gear that has pointer, the gauge outfit speed change gear that have numeral.Dial plate is fixed on the support, and the gauge outfit gear set is on the C axle, and the gauge outfit speed change gear is sleeved on the E axle, and the gauge outfit gear engagement is on the gauge outfit speed change gear, and the gauge outfit speed change gear is engaged on the transmission gear of position.
Valve positioner comprises digital display XS, single-chip microcomputer U
2, current feedback circuit KL, voltage to frequency converter V/F, photo coupler KF, photo coupler GF, relay J D, electronic hand behaviour button SC, valve location conveyer WZ.
Advantage of the present invention is: position transmitter has been cancelled original mechanical contact, and phenomenons such as bad are pushed up in the valve lever bending of having avoided causing because of the contact is malfunctioning; Valve positioner realized digital demonstration, digital control, avoided not knowing the residing position of valve in the controlled opening/closing valve process, can realize any control to valve opening.
(4) description of drawings
Fig. 1 is a valve location conveyor structures schematic representation of the present invention.
Fig. 2 is the side view of Fig. 1.
Fig. 3 is the plan view of Fig. 1.
Fig. 4 is a valve positioner circuit diagram of the present invention.
(5) embodiment
Electric valve controller comprises valve location conveyer and valve positioner.Described valve location conveyer comprises housing 7, base plate 4, bearing bracket stand 13, support 5, transmission shaft, stroke gear train 2, stroke gear train 6, intermediate gear 9, position transmission gear 11 and potentiometer 10.Stroke gear train 2 is contained on the A axle 1, stroke gear train 6 is contained on the B axle 3, stroke gear train 2 intermeshes with stroke gear train 6, intermediate gear is contained on the C axle 8, position transmission gear 11 is contained in C axle 8 upper ends, the position is transmitted driven gear 12 and is contained on the D axle 14, select engagement by number than intermediate gear 9 and one of stroke gear train 2, stroke gear train 6, the position transmission gear 11 that is contained on the C axle 8 transmits driven gear 12 engagements with the position that is contained on the D axle 14, and potentiometer 10 is connected on the D axle 14 that has position transmission driven gear 12.The valve location display list is made up of the dial plate 18, the gauge outfit gear 15 that has pointer and the gauge outfit speed change gear 16 that have numeral, dial plate 18 is fixed on the support 5, gauge outfit gear 15 is sleeved on the C axle 8, gauge outfit speed change gear 16 is sleeved on the E axle 17, gauge outfit gear 15 is engaged on the gauge outfit speed change gear 16, and gauge outfit speed change gear 16 is engaged on the position transmission gear 11.Bearing bracket stand 13 is fixed on the support 5, and support 5 is fixedly connected on the base plate 4, and housing 7 spiral-locks are on bearing bracket stand 13.
Described valve positioner comprises single-chip microcomputer U
2, current feedback circuit DL, voltage to frequency converter V/F, photo coupler KF, photo coupler GF, relay J D, electronic hand behaviour button SC, valve location conveyer WZ, potentiometer 10 on the valve location conveyer WZ connects current feedback circuit DL, current feedback circuit DL output steady current is by potentiometer 10, potentiometer 10 produces the position signal of valve opening 0-100%, preestablish arbitrary parameter among the opening value 0-100% of valve by keyboard JP, predefined valve opening value parameter signal input store U
1, the valve position signal of voltage to frequency converter V/F input is compared single-chip microcomputer U with preestablishing the valve opening value parameter
2Output valve Push And Release signal; valve Push And Release signal is transported to out valve photo coupler KF respectively and closes valve photo coupler GF; the Push And Release valve signal is delivered to relay J D through opening valve photo coupler KF and closing valve photo coupler GF output; relay J D adhesive starting motor drives the valve Push And Release, autostop when making valve reach the position of being scheduled to opening value.By the position signal of position transmitter WZ input, through single-chip microcomputer U
2Carry out data processing, send opening value to display driver XQ and digital display XS shows.Electronic hand behaviour button SC connects relay J D, on the electronic hand behaviour button SC valve button is arranged out, closes valve button, stop button.
A axle on the described valve location conveyer is that input shaft connects by coupling and valve master leading screw, send valve position signal through valve location conveyer middle gear modular conveyor zeta potential device 10, valve position signal is imported described valve positioner, constitute closed loop control, can adjust valve opening arbitrarily, action accurately can the digital electric valve controller that shows.
Electric valve controller has three kinds of working methods: automatic type, electrodynamic type, manual mode.1, automatic type: be the opening value that preestablishes valve on keyboard JP, its opening value can be provided with arbitrarily between 0 to 100% and input store U
1, the starter gate valve door motor makes to reach when setting opening value and shuts down automatically.2, electrodynamic type: be to press out valve or close the valve button, digital display XS shows valve opening value, reaches opening value and presses stop button, and motor stops, as if opening value less than 0 or stop automatically greater than 100% o'clock motor.3, manual mode: be to use the manpower switch valve, electronic therebetween hand behaviour button SC lost efficacy, but digital display XS proper functioning still shows opening value.
Claims (2)
1, electric valve controller, comprise the valve location conveyer, valve positioner, the valve location conveyer comprises housing (7), base plate (4), bearing bracket stand (13), support (5), transmission shaft, the position gear train, potentiometer (10), it is characterized in that described position gear train, comprise stroke gear train (2), stroke gear train (6), intermediate gear (9), position transmission gear (11), stroke gear train (2) is contained on the A axle (1), stroke gear train (6) is contained on the B axle (3), stroke gear train (2) intermeshes with stroke gear train (6), intermediate gear (9) is contained on the C axle (8), position transmission gear (11) is contained in C axle (8) upper end, the position is transmitted driven gear (12) and is contained on the D axle (14), press speed ratio intermediate gear (9) and select engagement with one of stroke gear train (2) and stroke gear train (6), the position transmission gear (11) that is contained on the C axle (8) transmits driven gear (12) engagement with the position that is contained on the D axle (14), potentiometer (10) is connected on the D axle (14) that has position transmission driven gear (12), and potentiometer (10) lead-in wire is connected electrically on the valve positioner.
2, electric valve controller according to claim 1, it is characterized in that described valve location conveyer is provided with the position display table, comprise the dial plate (18), the gauge outfit gear (15) that has pointer, the gauge outfit speed change gear (16) that have numeral, dial plate (18) is fixed on the support (5), gauge outfit gear (15) is sleeved on the C axle (8), gauge outfit speed change gear (16) is sleeved on the E axle (17), gauge outfit gear (15) is engaged on the gauge outfit speed change gear (16), and gauge outfit speed change gear (16) is engaged on the position transmission gear (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410021495 CN1291182C (en) | 2004-03-30 | 2004-03-30 | Electric valve controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410021495 CN1291182C (en) | 2004-03-30 | 2004-03-30 | Electric valve controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1563767A CN1563767A (en) | 2005-01-12 |
| CN1291182C true CN1291182C (en) | 2006-12-20 |
Family
ID=34479843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410021495 Expired - Fee Related CN1291182C (en) | 2004-03-30 | 2004-03-30 | Electric valve controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1291182C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102312879A (en) * | 2010-07-01 | 2012-01-11 | 上海融德机电工程设备有限公司 | Hand wheel hydraulic pump |
| CN103335167A (en) * | 2013-06-13 | 2013-10-02 | 常熟市惠尔石化仪表有限公司 | Valve limit switch with potentiometers |
| CN104329503A (en) * | 2014-11-12 | 2015-02-04 | 宁夏嘉翔自控技术有限公司 | Multi-port valve detected and controlled by high-precision potentiometer |
| CN110388498A (en) * | 2018-04-19 | 2019-10-29 | 浙江农林大学 | Valve flow remote controllers |
| CN110469706A (en) * | 2019-09-24 | 2019-11-19 | 浙江澳翔自控科技有限公司 | A kind of small-size electric actuator |
-
2004
- 2004-03-30 CN CN 200410021495 patent/CN1291182C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1563767A (en) | 2005-01-12 |
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| 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 | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |