CN201844041U - Servo type gate valve - Google Patents
Servo type gate valve Download PDFInfo
- Publication number
- CN201844041U CN201844041U CN2010205923655U CN201020592365U CN201844041U CN 201844041 U CN201844041 U CN 201844041U CN 2010205923655 U CN2010205923655 U CN 2010205923655U CN 201020592365 U CN201020592365 U CN 201020592365U CN 201844041 U CN201844041 U CN 201844041U
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- China
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- output terminal
- ball screw
- gate
- servo type
- valve body
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- Expired - Fee Related
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Abstract
The utility model relates to a servo type gate valve belonging to the field of gate valves. The servo type gate valve comprises a valve body and a gate, wherein the gate is placed on a track in the valve body. The utility model is characterized in that the servo type gate valve is provided with a processor and a power device, wherein the output end of the processor is connected with the control end of the power device by a proportion integration differentiation (PID) control actuator, the output end of the power device is connected with a sliding block fixed on the gate by a ball screw, a displacement sensor is arranged on the track of the valve body, and the output end of the displacement sensor is connected with the input end of the processor. A ball screw assembly is formed by the ball screw and the sliding block for matching, and the movement displacement of the gate is collected by the displacement sensor and is conveyed to the processor for carrying out calculation. Moreover, the action of the power device is controlled by the PID control actuator, the movement of the gate is accurately controlled, the regulation is simple, and the control automatization degree is high. In the utility model, the accuracy of the displacement sensor is high, the control accuracy of the valve is high, the action speed is high, and the error is small.
Description
Technical field
The utility model belongs to the gate valve field, is a kind of servo type gate valve specifically.
Background technique
Existing common gate valve is made of flashboard and valve body, and flashboard is used as straight line motion by mechanical motion, realizes the opening and closing of valve body.There is following shortcoming in existing gate valve:
1, mechanical dead zone is big, and error is big;
2, moment of torsion is big, adjusts difficulty, is manual basically;
3, low precision, repeatability is poor;
4, the life-span is short.
The model utility content
According to above deficiency of the prior art, problem to be solved in the utility model provides a kind of easy to adjust, controls accurate servo type gate valve.
The utility model is that the technological scheme that the technical solution problem is adopted is: the servo type gate valve, comprise valve body and flashboard, flashboard is placed on the interior track of valve body, it is characterized in that: set handling device and power plant, the output terminal of processor connects the control end of power plant by PID control final controlling element, the output terminal of power plant is fastened on slide block on the flashboard by ball screw, on the track of valve body displacement transducer is set, the input end of the output terminal connecting treatment device of displacement transducer.
Constitute ball screw pair by ball screw and slide block and cooperate, displacement transducer is gathered the ram movement displacement, flows to processor and calculates, and by the action of PID control final controlling element control power plant, accurately control ram movement.
Wherein preferred version is:
Described power plant comprise actuating motor and speed reducer, and the control end of actuating motor connects the output terminal of PID control final controlling element, and the output terminal of actuating motor connects ball screw by speed reducer.Realize accurately control ball screw running.
The output terminal of described speed reducer is provided with universal joint, and the output terminal of speed reducer connects ball screw by universal joint.Prevent skew, be convenient to install and use, increase working life.
The beneficial effect that the utility model servo type gate valve is had is: by displacement transducer, processor, PID control final controlling element and power plant are set, constituting ball screw pair by ball screw and slide block cooperates, displacement transducer is gathered the ram movement displacement, flowing to processor calculates, and by the action of PID control final controlling element control power plant, accurately control plate motion is regulated simply, control automaticity height.Constitute closed loop because the position detecting element feedback signal is led to control system, control accuracy improves ten times.The utility model displacement transducer precision height, valve control accuracy height, quick action, error is little.
Description of drawings
Fig. 1 is embodiment's 1 an of the present utility model structural representation;
Wherein: 1, valve body 2, flashboard 3, ball screw 4, universal joint 5, PID control final controlling element 6, power plant 7, processor 8, displacement transducer.
Specific embodiments
Below in conjunction with accompanying drawing embodiment of the present utility model is described:
Embodiment 1:
As shown in Figure 1, flashboard 2 is placed on the track in the valve body 1, set handling device 7 and power plant 6, the output terminal of processor 7 connects the control end of power plant 6 by PID control final controlling element 5, the output terminal of power plant 6 is fastened on slide block on the flashboard 2 by ball screw, displacement transducer 8 is set, the input end of the output terminal connecting treatment device 7 of displacement transducer 8 on the track of valve body 1.
Power plant 6 comprise actuating motor and speed reducer, and the control end of actuating motor connects the output terminal of PID control final controlling element 5, and the output terminal of actuating motor connects ball screw by speed reducer, realize accurately control ball screw running.
The output terminal of speed reducer is provided with universal joint 4, and the output terminal of speed reducer connects ball screw by universal joint 4, prevents skew, is convenient to install and use, and increases working life.
The processor of the utility model setting and PID control final controlling element are common prior art, and its setting and use are common prior art, and the technician is grasped by the industry.
Working principle and using process:
Constituting ball screw pair by ball screw and slide block cooperates, displacement transducer 8 is gathered flashboard 2 moving displacements, flow to processor 7 and calculate, and, make ball screw pair accurately control flashboard 2 motions by PID control final controlling element 5 control actuating motors and speed reducer action.
By being provided with, the utility model can be realized:
1, the linearity 0.5%;
2, the range of linearity is big;
3, the precision in the whole variation is consistent;
4, overshoot amplitude is little;
5, period of change is little;
6, precision height;
7, Environmental Conditions is wide.
Claims (3)
1. servo type gate valve, comprise valve body and flashboard, flashboard is placed on the interior track of valve body, it is characterized in that: set handling device and power plant, the output terminal of processor connects the control end of power plant by PID control final controlling element, the output terminal of power plant is fastened on slide block on the flashboard by ball screw, on the track of valve body displacement transducer is set, the input end of the output terminal connecting treatment device of displacement transducer.
2. servo type gate valve according to claim 1, it is characterized in that: described power plant comprise actuating motor and speed reducer, the control end of actuating motor connects the output terminal of PID control final controlling element, and the output terminal of actuating motor connects ball screw by speed reducer.
3. servo type gate valve according to claim 2 is characterized in that: the output terminal of described speed reducer is provided with universal joint, and the output terminal of speed reducer connects ball screw by universal joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205923655U CN201844041U (en) | 2010-11-04 | 2010-11-04 | Servo type gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205923655U CN201844041U (en) | 2010-11-04 | 2010-11-04 | Servo type gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201844041U true CN201844041U (en) | 2011-05-25 |
Family
ID=44038933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205923655U Expired - Fee Related CN201844041U (en) | 2010-11-04 | 2010-11-04 | Servo type gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201844041U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107435743A (en) * | 2017-07-13 | 2017-12-05 | 河南桔景林农业科技发展有限公司 | A kind of bin outlet gate valve structure |
| CN110118622A (en) * | 2018-02-06 | 2019-08-13 | 无锡芯盾传感科技有限公司 | A kind of encapsulating structure for MEMS piezoresistive pressure sensor chip |
-
2010
- 2010-11-04 CN CN2010205923655U patent/CN201844041U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107435743A (en) * | 2017-07-13 | 2017-12-05 | 河南桔景林农业科技发展有限公司 | A kind of bin outlet gate valve structure |
| CN110118622A (en) * | 2018-02-06 | 2019-08-13 | 无锡芯盾传感科技有限公司 | A kind of encapsulating structure for MEMS piezoresistive pressure sensor chip |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Servo type gate valve Effective date of registration: 20140822 Granted publication date: 20110525 Pledgee: Industrial Commercial Bank of China Ltd Zibo Linzi branch Pledgor: Shandong Tianhe Plastic Co., Ltd. Registration number: 2014990000695 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110525 Termination date: 20151104 |
|
| EXPY | Termination of patent right or utility model |