CN203348686U - Valve driver - Google Patents
Valve driver Download PDFInfo
- Publication number
- CN203348686U CN203348686U CN 201320283715 CN201320283715U CN203348686U CN 203348686 U CN203348686 U CN 203348686U CN 201320283715 CN201320283715 CN 201320283715 CN 201320283715 U CN201320283715 U CN 201320283715U CN 203348686 U CN203348686 U CN 203348686U
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- Prior art keywords
- valve
- potentiometer
- plc
- driver
- valves
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- Withdrawn - After Issue
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- Magnetically Actuated Valves (AREA)
Abstract
The utility model discloses a valve driver used for connecting a PLC with valves. The valve driver comprises a driver shell, a valve block, quick switch solenoid valves, a resetting shaft, a transmission gear, a potentiometer and a feedback circuit board, wherein the valve block, the quick switch solenoid valves, the resetting shaft, the transmission gear, the potentiometer and the feedback circuit board are arranged in the driver shell. The driver shell and the valve block are respectively provided with matched air holes. The quick switch solenoid valves are integrated on the valve block and matched with the air holes in the valve block, and control the opening degree of the valves under the control of the PLC. One end of the resetting shaft extends out of the driver shell and is used for being connected with valve accessories to transmit the opening information of the valves. The other end of the resetting shaft is connected with the potentiometer through the transmission gear so that the potentiometer can feed back the opening information of the valves. The potentiometer is connected with the feedback circuit board. The feedback circuit board converts a resistance value of the valve opening information fed back by the potentiometer into a current signal and sends the current signal to the PLC to realize closed loop feedback control by the PLC. The valve driver not only can be used as a control device of switch-type valves but also can realize process control over the valves together with the PLC so as to accurately position the valves.
Description
Technical field
The utility model relates to a kind of valve driver, for the automation equipment that process control industry valve opening is adjusted, is electronic technology and intelligent control device pneumatic or that the technology of surging combines.
Background technique
At many industries (as power plant, chemical plant, sewage treatment works etc.) valve, it is procedure regulation, the aperture that needs accurate regulating valve, existing valve driver is owing to adopting the mechanical type location, positioning precision is poor, can not carry out intelligence regulates, regulate complexity, no longer be applicable to the desired automation and intelligentification of modern plant and control.
The model utility content
The purpose of this utility model is to overcome the shortcoming and defect of above-mentioned prior art, and a kind of valve driver of realizing valve process fine adjustment is provided.
For achieving the above object, the utility model adopts following technological scheme:
A kind of valve driver, for connecting PLC and valve, comprise drive enclosure and be arranged on valve piece in drive enclosure, switching solenoid valve, resetting shaft, driving gear, current potential are taken into account the feeder loop plate fast; Be provided with the pore cooperatively interacted on described drive enclosure and valve piece, fast switching solenoid valve is integrated on the valve piece, with the pore of valve piece, coordinate, and under the control of PLC the aperture of control valve; Described resetting shaft one end stretches out drive enclosure, and for be connected the opening information of transmission valve with valve accessories, the resetting shaft the other end is connected with potentiometer by described driving gear, makes the opening information of potentiometer feedback valve; Described potentiometer is connected with the feeder loop plate, and the feeder loop plate is converted to current signal to transmitting PLC again by the resistance value of the valve opening information of potentiometer feedback, realizes the control of PLC closed-loop feedback.
Further, described drive enclosure comprises drain pan and the upper cover be connected with drain pan.
Further, three pores are arranged on described drive enclosure, be respectively inlet hole and two air outlet holes of source of the gas.
Further, described quick switching solenoid valve is 4, between 4 solenoid valves, installs side by side, is integrated on the valve piece.
Further, described current potential is counted linear potentiometer.
Further, also comprise throttle valve, described throttle valve is connected with quick switching solenoid valve, for the movement velocity of regulating valve.
Further, also comprise the valve piece seal ring between drive enclosure and valve piece.
Further, described pore all replaces with the liquid hole.
Compared with prior art, the utlity model has following beneficial effect:
(1) control accuracy improves, and can coordinate with PLC and carry out process control, can carry out switch control again.
(2) integrated throttle valve, can be regulated the movement velocity of valve.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
The accompanying drawing explanation
Fig. 1 is valve driver erection drawing of the present utility model (sectional view);
Fig. 2 is valve driver erection drawing of the present utility model (plan view);
Fig. 3 is valve driver erection drawing of the present utility model (side view);
The pneumatic schematic diagram that Fig. 4 is quick switching solenoid valve.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein is only for description and interpretation the utility model, and be not used in restriction the utility model.
A kind of valve driver of the present utility model, for connecting PLC and valve, as Figure 1-3, comprise drive enclosure and be arranged on the valve piece 7 in drive enclosure, quick switching solenoid valve 6, resetting shaft 4, driving gear 5, potentiometer 3 and feeder loop plate 10; Be provided with the pore cooperatively interacted on drive enclosure and valve piece 7, fast switching solenoid valve 6 is integrated on valve piece 7, with the pore of valve piece 7, coordinate, and under the control of PLC the aperture of control valve; Drive enclosure is stretched out in resetting shaft 4 lower ends, for be connected the opening information of transmission valve with valve accessories; Resetting shaft 4 upper ends are connected with potentiometer 3 by driving gear 5, make the opening information of potentiometer 3 feedback valves; Potentiometer 3 is connected with feeder loop plate 10, and feeder loop plate 10 is converted to current signal to transmitting PLC again by the resistance value of the valve opening information of potentiometer 3 feedbacks, realizes the control of PLC closed-loop feedback.
Particularly:
(1) drive enclosure:
The box typed structure that drive enclosure boundary dimension is 170 * 85 * 80; shell adopts aluminum alloy material; existing certain intensity is lighter weight again, and drive enclosure is mainly the interference that the quick switching solenoid valve 6 of protection and feeder loop plate 10 are avoided extraneous rugged environment.This drive enclosure comprises drain pan 1 and the upper cover 2 be connected by Sealing with drain pan 1.Three pores are arranged on drive enclosure, be respectively inlet hole and two air outlet holes of source of the gas.Also has in addition a long cable section of ingoing line hole on drive enclosure, in order to conjunction cable.
(2) the valve piece 7:
Valve piece 7 is the strength members for integrated quick switching solenoid valve 6, on valve piece 7, pore is arranged, and driver drain pan 1 matches and form airtight pore, the pressurized air of switching solenoid valve 6 moves in pore fast, reduced connector and adaptor, made whole equipment compacter.Valve piece 7 is arranged on driver drain pan 1.
(3) driving gear 5:
(4) resetting shaft 4:
Resetting shaft 4 is mainly used to connection for transmission gear 5 and valve accessories, plays the effect of mechanical connection, in order to the aperture of valve is sent to potentiometer 3.
(5) quick switching solenoid valve 6:
Switching solenoid valve 6 is mainly used to realize the core component of driver control fast, when quick switching solenoid valve 6 receives the instruction of PLC, can move accordingly, realizes the pneumatic adjusting of valve.
(6) potentiometer 3:
(7) the feeder loop plate 10:
Be connected with potentiometer 3, the resistance value of potentiometer 3 be converted to the 4-20mA signal, by signal feed back to PLC.
Above-mentioned valve driver also comprises throttle valve 9, and throttle valve 9 is connected with quick switching solenoid valve 6, can be regulated the movement velocity of valve.
Above-mentioned valve driver also comprises valve piece seal ring 8, valve piece seal ring 8 between drive enclosure and valve piece 7, good sealing effect.
Above-mentioned quick switching solenoid valve is 4.As shown in Figure 4, CF1, CF2, CF3, CF4 are 4 quick switching solenoid valves, and a is cylinder (final controlling element), and b is throttle valve.When CF1 valve and CF4 valve simultaneously when electric, the air inlet of CF1 valve, the CF4 valve exhaust, move the final controlling element driven toward the direction.When CF2 valve and CF3 valve simultaneously when electric, the air inlet of CF2 valve, the CF3 valve exhaust, make the final controlling element driven towards contrary direction action.Valve driver drives cylinder to be swung by left and right cylinder air inlet and the exhaust of giving cylinder.
Above-described embodiment is pneumatic regulation structure, and in actual applications, pore is all replaceable is the liquid hole, also can carry out by surging the adjusting of valve opening.
Valve driver can carry out the adjusting cylinders effect under PLC controls, and under service condition, can only complete manual quick closing valve function and not possess regulatory function separately.
In sum, the utility model valve driver both can be used as the control gear of switching mode valve also can realize the process control of valve together with PLC, carries out the accurate location of valve.
Finally it should be noted that: the foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, although with reference to previous embodiment, the utility model is had been described in detail, for a person skilled in the art, its technological scheme that still can put down in writing previous embodiment is modified, or part technical characteristics wherein is equal to replacement.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. a valve driver, is characterized in that, for connecting PLC and valve, comprise drive enclosure and be arranged on valve piece in drive enclosure, switching solenoid valve, resetting shaft, driving gear, current potential are taken into account the feeder loop plate fast;
Be provided with the pore cooperatively interacted on described drive enclosure and valve piece, fast switching solenoid valve is integrated on the valve piece, with the pore of valve piece, coordinate, and under the control of PLC the aperture of control valve; Described resetting shaft one end stretches out drive enclosure, and for be connected the opening information of transmission valve with valve accessories, the resetting shaft the other end is connected with potentiometer by described driving gear, makes the opening information of potentiometer feedback valve;
Described potentiometer is connected with the feeder loop plate, and the feeder loop plate is converted to current signal to transmitting PLC again by the resistance value of the valve opening information of potentiometer feedback, realizes the control of PLC closed-loop feedback.
2. valve driver according to claim 1, is characterized in that, described drive enclosure comprises drain pan and the upper cover be connected with drain pan.
3. valve driver according to claim 1, is characterized in that, three pores are arranged on described drive enclosure, is respectively inlet hole and two air outlet holes of source of the gas.
4. valve driver according to claim 1, is characterized in that, described quick switching solenoid valve is 4, between 4 solenoid valves, installs side by side, is integrated on the valve piece.
5. valve driver according to claim 1, is characterized in that, described current potential is counted linear potentiometer.
6. according to the described valve driver of claim 1-5 any one, it is characterized in that, also comprise throttle valve, described throttle valve is connected with quick switching solenoid valve, for the movement velocity of regulating valve.
7. according to the described valve driver of claim 1-5 any one, it is characterized in that, also comprise the valve piece seal ring between drive enclosure and valve piece.
8. valve driver according to claim 1, is characterized in that, described pore all replaces with the liquid hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320283715 CN203348686U (en) | 2013-05-23 | 2013-05-23 | Valve driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320283715 CN203348686U (en) | 2013-05-23 | 2013-05-23 | Valve driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203348686U true CN203348686U (en) | 2013-12-18 |
Family
ID=49748588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320283715 Withdrawn - After Issue CN203348686U (en) | 2013-05-23 | 2013-05-23 | Valve driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203348686U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103225709A (en) * | 2013-05-23 | 2013-07-31 | 北京岳能科技有限公司 | Valve actuator |
| 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 |
-
2013
- 2013-05-23 CN CN 201320283715 patent/CN203348686U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103225709A (en) * | 2013-05-23 | 2013-07-31 | 北京岳能科技有限公司 | Valve actuator |
| CN103225709B (en) * | 2013-05-23 | 2015-04-15 | 北京岳能科技有限公司 | Valve actuator |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BEIJING YUENENG TECHNOLOGY CO., LTD. Free format text: FORMER NAME: BEIJING YUENENG TECHNOLOGY LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 100038 Beijing city Haidian District Road North cellular Zhongsheng building 1505 room No. 2 Patentee after: Beijing Yue Neng Science and Technology Co., Ltd. Address before: 100038 Beijing city Haidian District Road North cellular Zhongsheng building 1505 room No. 2 Patentee before: Beijing Yueneng Technology Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20131218 Effective date of abandoning: 20150415 |
|
| RGAV | Abandon patent right to avoid regrant |