CN217276229U - Incremental electric valve corner-time relation measuring device - Google Patents
Incremental electric valve corner-time relation measuring device Download PDFInfo
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- CN217276229U CN217276229U CN202221080115.2U CN202221080115U CN217276229U CN 217276229 U CN217276229 U CN 217276229U CN 202221080115 U CN202221080115 U CN 202221080115U CN 217276229 U CN217276229 U CN 217276229U
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Abstract
An incremental electric valve corner-time relation measuring device comprises an angular displacement sensor and an electric valve actuator which are coaxially connected, wherein a power input end of the electric valve actuator is connected with a power output end of a motor, a signal output end of the angular displacement sensor is connected with a signal input end of a controller to transmit a pulse signal of the angular displacement sensor, a signal output end of the controller is connected with a control signal input end of the motor, and the electric valve is controlled by an electric signal to move within a specified opening range; the signal output end of the controller is in data interaction with the signal input end of the upper computer, various parameters of the experimental device are displayed through the upper computer, and experimental data are displayed; the utility model discloses can produce the signal of specified time length accurately and drive electric valve executor open valve or the control signal of closing the valve, the accurate data that acquires electric valve corner increment and control signal time length establishes the mathematical relationship of electric valve actual corner and control signal time length.
Description
Technical Field
The utility model relates to an electric valve working characteristic measures technical field, concretely relates to incremental electric valve corner-time relation measuring device.
Background
In modern industry, an electric valve actuator is an important adjusting element in process industry, when a process is adjusted, a valve is frequently opened or closed around a certain opening degree, and a valve motor is frequently turned from a static state to a rotating state to drive a valve core to rotate. The traditional concept holds that the increment of the valve rotation angle is in linear direct proportion to the time length of the control signal of the valve, but the valve motor is accelerated from a static state and then drives an actuator to position at a rated rotating speed, and the rotation angle and the time length are not proportional in the process, so that the increment of the valve rotation angle cannot be in linear proportion to the time length of the control signal.
In order to correct the deviation of the conventional concept from the recognition, it is necessary to develop a testing device capable of truly measuring the relationship between the valve rotation angle and the time length of the control signal, which has important application value.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model aims to provide an electric valve corner-time relation measuring device, in particular to a corner-time relation measuring device of an incremental electric valve, which adopts coaxial installation between an electric valve actuator and an angular displacement sensor and can accurately measure the actual corner increment of the valve; the controller accurately generates a control signal, and can accurately generate an electric signal according to a time length relation to drive a valve motor to rotate; and in order to realize the acquisition of experimental data and device control, an upper computer is arranged, and test data are displayed and stored for analysis and use.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an incremental electric valve corner-time relation measuring device comprises an angular displacement sensor 1 and an electric valve actuator 3 which are coaxially connected, wherein a power input end of the electric valve actuator 3 is connected with a power output end of a motor 4, a signal output end of the angular displacement sensor 1 is connected with a signal input end of a controller 5, a signal output end of the controller 5 is connected with a control signal input end of the motor 4, and a signal output end of the controller 5 is in data interaction with a signal input end of an upper computer 6.
The electric valve actuator 3 adopts an incremental electric valve actuator.
The output shaft of the electric valve actuator 3 rotates in the range of the rotation angle of 0-90 degrees.
The angular displacement sensor 1 is provided with a photoelectric encoder.
The controller 5 is preset to generate a control signal for driving the electric valve actuator 3 to open or close according to a specified time length, receives a rotation angle increment signal of the electric valve actuator 3 fed back by the angular displacement sensor 1, converts the rotation angle increment signal into angle data and transmits the angle data to the upper computer 6.
The upper computer 6 is configured with a monitoring interface of the experimental device, and can input the time length required by the actuator to open or close the valve and display the real-time corner increment value of the valve.
And a supporting plate 2 is connected between the angular displacement sensor 1 and the electric valve actuator 3.
Compared with the prior art, the utility model discloses following beneficial technological effect has:
the utility model discloses the device measures electric valve's actual corner through angular displacement sensor 1 to through the drive signal of 5 accurate production regulation time length of controller, the motor 4 of driving valve turns to the rotation according to the regulation, and the data of acquireing electric valve corner increment and control signal time length that can be accurate establish electric valve actual corner and control signal time length's mathematical relation.
Drawings
Fig. 1 is a schematic view of the measuring device of the present invention.
The device comprises an angular displacement sensor 1, an angular displacement sensor 2, a support plate 3, an electric valve actuator 4, a motor 5, a controller 6 and an upper computer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
An incremental electric valve corner-time relation measuring device comprises an angular displacement sensor 1 and an electric valve actuator 3 which are coaxially connected, wherein a power input end of the electric valve actuator 3 is connected with a power output end of a motor 4, a signal output end of the angular displacement sensor 1 is connected with a signal input end of a controller 5 to transmit a pulse signal of the angular displacement sensor 1, a signal output end of the controller 5 is connected with a control signal input end of the motor 4, and the electric valve is enabled to move within a specified opening range through electric signal control; the signal output end of the controller 5 is in data interaction with the signal input end of the upper computer 6, and various parameters of the experimental device are displayed through the upper computer 6, and experimental data are displayed.
The electric valve actuator 3 adopts an incremental electric valve actuator.
The output shaft of the electric valve actuator 3 rotates in the range of the rotation angle of 0-90 degrees.
The angular displacement sensor 1 is provided with a photoelectric encoder, and has higher detection precision compared with a resistance type angular displacement sensor.
The controller 5 is preset to generate a control signal for driving the electric valve actuator 3 to open or close according to a specified time length, receives a rotation angle increment signal of the electric valve actuator 3 fed back by the angular displacement sensor 1, converts the rotation angle increment signal into accurate angle data and transmits the accurate angle data to the upper computer 6.
The upper computer 6 is configured with a monitoring interface of the experimental device, and can input the time length required by the actuator to open or close the valve and display the real-time corner increment value of the valve.
And a supporting plate 2 is connected between the angular displacement sensor 1 and the electric valve actuator 3.
In the embodiment, the selected photoelectric encoder has a resolution of 5000 lines per revolution, 4-frequency division processing is adopted in the controller 5, the output shaft of the electric valve actuator 3 moves in a rotation angle range of 0-90 degrees, and the controller 5 can detect that the resolution of the rotation angle increment of the electric valve actuator 3 is 0.018 degrees per pulse.
The utility model discloses a theory of operation does:
during testing, the rotation angle increment of the electric valve actuator corresponding to different time length conditions needs to be measured, taking the measurement of the valve opening direction as an example, the electric valve actuator 3 is rotated to the valve opening direction by a certain angle, and the mechanical transmission gap from the motor 4 to the output shaft of the electric valve actuator 3 is eliminated; clearing the turning angle value at the moment in a monitoring interface of the upper computer 6; inputting the valve opening time length T(s) in a monitoring interface of an upper computer 6, sending a control command to a controller 5 through a communication port, and accurately driving the motor 4 to run in the valve opening direction by the controller 5 for the time length T(s); after the electric valve actuator 3 stops operating, in a monitoring interface of the upper computer 6, the rotation angle increment theta generated by the valve at the moment can be read; the corresponding relation between the rotation angle increment of the electric valve actuator 3 and the time can be measured under the conditions of different opening degrees and different valve opening time lengths of the electric valve actuator 3.
If the rotation angle increment of the electric valve actuator 3 corresponding to the condition of different time lengths is measured under the condition of a valve closing working condition, the operation steps are similar to the measurement of a valve opening direction, and the difference is that the electric valve actuator 3 is set to operate towards the valve closing direction.
Through the operation, then can use the utility model discloses measure the electric valve executor corner increment numerical value that corresponds under the different control signal time length of stroke within range, different aperture, the different direction of operation condition of electric valve executor.
Claims (7)
1. The utility model provides an incremental electric valve corner-time relation measuring device which characterized in that: the device comprises an angular displacement sensor (1) and an electric valve actuator (3) which are coaxially connected, wherein a power input end of the electric valve actuator (3) is connected with a power output end of a motor (4), a signal output end of the angular displacement sensor (1) is connected with a signal input end of a controller (5), a signal output end of the controller (5) is connected with a control signal input end of the motor (4), and a signal output end of the controller (5) is in data interaction with a signal input end of an upper computer (6).
2. An incremental electrically operated valve angle-to-time relationship measuring device as claimed in claim 1, wherein: the electric valve actuator (3) adopts an incremental electric valve actuator.
3. An incremental electrically operated valve angle-to-time relationship measuring device as claimed in claim 1, wherein: the output shaft of the electric valve actuator (3) rotates in the range of the rotation angle of 0-90 degrees.
4. An incremental electrically operated valve angle-to-time relationship measuring device as claimed in claim 1, wherein: the angular displacement sensor (1) is provided with a photoelectric encoder.
5. An incremental electrically operated valve angle-to-time relationship measuring device as claimed in claim 1, wherein: the controller (5) is preset to generate a control signal for driving the electric valve actuator (3) to open or close according to a specified time length, receives a rotation angle increment signal of the electric valve actuator (3) fed back by the angular displacement sensor (1), converts the rotation angle increment signal into angle data and transmits the angle data to the upper computer (6).
6. An incremental electrically operated valve angle-to-time relationship measuring device as claimed in claim 1, wherein: the upper computer (6) is configured with a monitoring interface of the experimental device, and can input the time length required by the actuator to open or close the valve and display the real-time corner increment numerical value of the valve.
7. An incremental electrically operated valve angle-time relationship measuring device as claimed in claim 1, wherein: and a supporting plate (2) is connected between the angular displacement sensor (1) and the electric valve actuator (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221080115.2U CN217276229U (en) | 2022-05-07 | 2022-05-07 | Incremental electric valve corner-time relation measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221080115.2U CN217276229U (en) | 2022-05-07 | 2022-05-07 | Incremental electric valve corner-time relation measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217276229U true CN217276229U (en) | 2022-08-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221080115.2U Active CN217276229U (en) | 2022-05-07 | 2022-05-07 | Incremental electric valve corner-time relation measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217276229U (en) |
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2022
- 2022-05-07 CN CN202221080115.2U patent/CN217276229U/en active Active
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