CN213271258U - Positioner for electric valve - Google Patents
Positioner for electric valve Download PDFInfo
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- CN213271258U CN213271258U CN202022239309.XU CN202022239309U CN213271258U CN 213271258 U CN213271258 U CN 213271258U CN 202022239309 U CN202022239309 U CN 202022239309U CN 213271258 U CN213271258 U CN 213271258U
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- valve
- shell
- pipelines
- pressing
- electric telescopic
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Abstract
The utility model discloses an electric valve positioner, which comprises a valve mechanism and a positioning mechanism; a valve mechanism: the pipeline pressing device comprises a shell, wherein a pressing valve is arranged at the bottom side in the shell, pipelines are arranged on the left side and the right side of the pressing valve, one ends of the two pipelines, which are far away from each other, penetrate through the outer side of the shell, and connecting mechanisms are arranged at one ends of the two pipelines, which are far away from each other; a positioning mechanism: it includes gland and infrared receiver, gland's inside top is equipped with electric telescopic handle, electric telescopic handle's bottom is equipped with the clamp plate, the bottom side of clamp plate and the valve rod top fixed connection who pushes down the valve, the bottom side of clamp plate is equipped with infrared transmitter, infrared receiver is located infrared transmitter's below, and this electric valve locator can carry out accurate measurement to the valve rod displacement, has reduced measuring data error, prevents that actuating mechanism's output signal is inaccurate, convenient to use person's use.
Description
Technical Field
The utility model relates to an electropneumatic valve locator technical field specifically is electropneumatic valve locator.
Background
The electric valve positioner is a main accessory of a control valve, which takes a valve rod displacement signal as an input feedback measurement signal and takes a controller output signal as a setting signal to compare, when the two signals have deviation, the output signal of the electric valve positioner to an actuating mechanism is changed to enable the actuating mechanism to act, and a one-to-one correspondence relationship between the valve rod displacement and the controller output signal is established, so that the valve positioner forms a feedback control system which takes the valve rod displacement as the measurement signal and takes the controller output as the setting signal, and the manipulated variable of the control system is the output signal of the valve positioner to the actuating mechanism.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide the electric valve locator, can carry out accurate measurement to the valve rod displacement, reduced measuring data error, prevent that actuating mechanism's output signal is inaccurate, problem among the background art can effectively be solved in convenient to use person's use.
In order to achieve the above object, the utility model provides a following technical scheme: the electric valve positioner comprises a valve mechanism and a positioning mechanism;
a valve mechanism: the pipeline pressing device comprises a shell, wherein a pressing valve is arranged at the bottom side in the shell, pipelines are arranged on the left side and the right side of the pressing valve, one ends of the two pipelines, which are far away from each other, penetrate through the outer side of the shell, and connecting mechanisms are arranged at one ends of the two pipelines, which are far away from each other;
a positioning mechanism: the infrared receiver is positioned below the infrared transmitter;
wherein, gland passes through the fixed wire installation at the upper surface of pushing down the valve, infrared receiver establishes the upper surface at pushing down the valve, the left side of shell has the power through the closing cap mechanism closing cap, the inside left side of shell is equipped with the singlechip, the input of singlechip is connected to the output electricity of power, electric telescopic handle and infrared emitter's input is connected to the output electricity of singlechip, infrared receiver's output is connected to the input electricity of singlechip.
Furthermore, coupling mechanism includes ring flange and connecting wire, and the one end that two pipelines kept away from each other all is equipped with the ring flange, and equal array distribution has four connecting wires on two ring flanges, can make two pipelines pass through the ring flange and the connecting wire is connected outside pipeline, convenient to use.
Further, closing cap mechanism includes hand buckle and lid, the left side joint of shell has the lid, the hand buckle has been seted up in the left side of lid, can open the lid through the hand buckle, changes the power.
Further, the fixed directional sleeve that is equipped with in gland's inside top, directional sleeve cup joints in electric telescopic handle's side, and directional sleeve can be directed electric telescopic handle, avoids causing electric telescopic handle to stretch out and takes place the displacement.
Furthermore, the left side and the right side of the sealing gland are both provided with sliding grooves, the pressing plate is connected inside the sliding grooves in a sliding mode, the pressing plate can move along the sliding grooves, and deviation in moving of the pressing plate is prevented.
Compared with the prior art, the beneficial effects of the utility model are that: this electropneumatic valve positioner has following benefit: two pipelines pass through coupling mechanism and connect pipeline, and make the valve that pushes down work, can block this electric valve locator, and convenient to use, electric telescopic handle is flexible to be driven the clamp plate and is reciprocated, and then drive the valve rod displacement of valve that pushes down, simultaneously through infrared receiver and infrared emitter work, can measure the displacement between clamp plate and the valve that pushes down, and then carry out accurate measurement to the valve rod displacement, the measured data error has been reduced, prevent that actuating mechanism's output signal is inaccurate.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: the device comprises a valve mechanism 1, a pipeline 11, a shell 12, a press valve 13, a positioning mechanism 2, an infrared receiver 21, a sealing gland 22, an electric telescopic rod 23, an infrared emitter 24, a pressing plate 25, a directional sleeve 3, a sliding chute 4, a single chip microcomputer 5, a power supply 6, a capping mechanism 7, a cover 71, a hand buckle 72, a connecting mechanism 8, a flange plate 81 and a connecting wire 82.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: the electric valve positioner comprises a valve mechanism 1 and a positioning mechanism 2; valve mechanism 1: the electric valve positioner comprises a shell 12, wherein a press-down valve 13 is arranged at the bottom side in the shell 12, pipelines 11 are arranged on the left side and the right side of the press-down valve 13, one ends, far away from each other, of the two pipelines 11 penetrate through the outer side of the shell 12, one ends, far away from each other, of the two pipelines 11 are provided with connecting mechanisms 8, the two pipelines 11 are connected with a conveying pipeline through the connecting mechanisms 8, the press-down valve 13 is enabled to work, and the electric valve positioner can be blocked and is convenient to use; coupling mechanism 8 includes ring flange 81 and connecting wire 82, and the one end that two pipelines 11 kept away from each other all is equipped with ring flange 81, and equal array distribution has four connecting wire 82 on two ring flanges 81, can make two pipelines 11 pass through ring flange 81 and connecting wire 82 and connect the pipeline of outside, is convenient for use, positioning mechanism 2: the device comprises a sealing gland 22 and an infrared receiver 21, wherein an electric telescopic rod 23 is arranged at the top end inside the sealing gland 22, a pressing plate 25 is arranged at the bottom end of the electric telescopic rod 23, the bottom side of the pressing plate 25 is fixedly connected with the top end of a valve rod of a down-pressing valve 13, an infrared transmitter 24 is arranged at the bottom side of the pressing plate 25, the infrared receiver 21 is positioned below the infrared transmitter 24, the electric telescopic rod 23 stretches and retracts to drive the pressing plate 25 to move up and down, so that the valve rod displacement of the down-pressing valve 13 is driven, meanwhile, the displacement between the pressing plate 25 and the down-pressing valve 13 can be measured through the work of the infrared receiver 21 and the infrared transmitter 24, so that the valve rod displacement is accurately measured, the measured data error; the top end inside the sealing gland 22 is fixedly provided with a directional sleeve 3, the directional sleeve 3 is sleeved on the side surface of the electric telescopic rod 23, the directional sleeve 3 can be used for directing the electric telescopic rod 23 to avoid causing the electric telescopic rod 23 to stretch out and displace, the left side and the right side of the sealing gland 22 are both provided with sliding grooves 4, a pressing plate 25 is connected inside the sliding grooves 4 in a sliding manner and can be used for moving the pressing plate 25 along the sliding grooves 4 to prevent the pressing plate 25 from moving to generate deviation, wherein the sealing gland 22 is arranged on the upper surface of the pressing valve 13 through a fixing wire, an infrared receiver 21 is arranged on the upper surface of the pressing valve 13, the left side of the shell 12 is covered with a power supply 6 through a sealing mechanism 7, the left side inside the shell 12 is provided with a single chip microcomputer 5, the output end of the power supply 6 is electrically connected with the, the input end of the single chip microcomputer 5 is electrically connected with the output end of the infrared receiver 21, the cover sealing mechanism 7 comprises a hand buckle 72 and a cover 71, the cover 71 is clamped on the left side of the shell 12, the hand buckle 72 is arranged on the left side of the cover 71, the cover 71 can be opened through the hand buckle 72, the power supply 6 is replaced, the specific model of the single chip microcomputer 5 is Siemens S7-200, and the single chip microcomputer 5 controls the electric telescopic rod 23, the infrared emitter 24 and the infrared receiver 21 to work by adopting a common method in the prior art.
When in use: two pipelines 11 pass through coupling mechanism 8 and connect pipeline, and make and push down valve 13 and carry out work, can block this electric valve locator, and is convenient for use, electric telescopic handle 23 stretches out and draws back and drives clamp plate 25 and reciprocate, and then drive the valve rod displacement of pushing down valve 13, work through infrared receiver 21 and infrared emitter 24 simultaneously, can measure clamp plate 25 and the displacement between pushing down valve 13, and then carry out accurate measurement to the valve rod displacement, measured data error has been reduced, prevent that actuating mechanism's output signal is inaccurate.
It should be noted that the specific type of the single chip microcomputer 5 disclosed in this embodiment is siemens S7-200, and the single chip microcomputer 5 controls the electric telescopic rod 23, the infrared emitter 24 and the infrared receiver 21 to operate by a method commonly used in the prior art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. Electro pneumatic valve positioner, its characterized in that: comprises a valve mechanism (1) and a positioning mechanism (2);
valve mechanism (1): the pipeline pressing device comprises a shell (12), wherein a pressing valve (13) is arranged at the bottom side in the shell (12), pipelines (11) are arranged on the left side and the right side of the pressing valve (13), one ends, far away from each other, of the two pipelines (11) penetrate through the outer side of the shell (12), and one ends, far away from each other, of the two pipelines (11) are provided with connecting mechanisms (8);
positioning mechanism (2): the device comprises a sealing gland (22) and an infrared receiver (21), wherein an electric telescopic rod (23) is arranged at the top end of the inside of the sealing gland (22), a pressing plate (25) is arranged at the bottom end of the electric telescopic rod (23), the bottom side of the pressing plate (25) is fixedly connected with the top end of a valve rod of a downward pressing valve (13), an infrared emitter (24) is arranged at the bottom side of the pressing plate (25), and the infrared receiver (21) is positioned below the infrared emitter (24);
wherein, gland (22) are installed at the upper surface of pushing down valve (13) through the fixed wire, infrared receiver (21) are established at the upper surface of pushing down valve (13), the left side of shell (12) is passed through closing cap mechanism (7) closing cap and is had power (6), the inside left side of shell (12) is equipped with singlechip (5), the input of singlechip (5) is connected to the output electricity of power (6), the input of electric telescopic handle (23) and infrared emitter (24) is connected to the output electricity of singlechip (5), the output of infrared receiver (21) is connected to the input electricity of singlechip (5).
2. The electrical valve positioner of claim 1, wherein: coupling mechanism (8) include ring flange (81) and connecting wire (82), and the one end of keeping away from each other of two pipelines (11) all is equipped with ring flange (81), and equal array distribution has four connecting wire (82) on two ring flanges (81).
3. The electrical valve positioner of claim 1, wherein: the capping mechanism (7) comprises a hand buckle (72) and a cover (71), the cover (71) is clamped on the left side of the shell (12), and the hand buckle (72) is arranged on the left side of the cover (71).
4. The electrical valve positioner of claim 1, wherein: the inner top end of the sealing gland (22) is fixedly provided with a directional sleeve (3), and the directional sleeve (3) is sleeved on the side face of the electric telescopic rod (23).
5. The electrical valve positioner of claim 1, wherein: the left side and the right side of the sealing gland (22) are both provided with sliding grooves (4), and the pressing plate (25) is connected inside the sliding grooves (4) in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022239309.XU CN213271258U (en) | 2020-10-10 | 2020-10-10 | Positioner for electric valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022239309.XU CN213271258U (en) | 2020-10-10 | 2020-10-10 | Positioner for electric valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213271258U true CN213271258U (en) | 2021-05-25 |
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ID=75948186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022239309.XU Active CN213271258U (en) | 2020-10-10 | 2020-10-10 | Positioner for electric valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213271258U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114149814A (en) * | 2022-02-09 | 2022-03-08 | 东营联合石化有限责任公司 | Raw coke decoking conversion device for automatic bottom cover machine of coke tower |
-
2020
- 2020-10-10 CN CN202022239309.XU patent/CN213271258U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114149814A (en) * | 2022-02-09 | 2022-03-08 | 东营联合石化有限责任公司 | Raw coke decoking conversion device for automatic bottom cover machine of coke tower |
| CN114149814B (en) * | 2022-02-09 | 2022-06-03 | 东营联合石化有限责任公司 | Raw coke decoking conversion device for automatic bottom cover machine of coke tower |
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