CN215986284U - Device for monitoring running state of electromagnetic valve on line - Google Patents
Device for monitoring running state of electromagnetic valve on line Download PDFInfo
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- CN215986284U CN215986284U CN202121503200.0U CN202121503200U CN215986284U CN 215986284 U CN215986284 U CN 215986284U CN 202121503200 U CN202121503200 U CN 202121503200U CN 215986284 U CN215986284 U CN 215986284U
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- eddy current
- electromagnetic valve
- monitoring
- current sensor
- data acquisition
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Abstract
The utility model relates to a device for monitoring the running state of an electromagnetic valve on line, which comprises an eddy current sensor, an eddy current data acquisition instrument and a monitoring terminal; the eddy current sensor is arranged on the electromagnetic valve to be monitored and used for acquiring an electromagnetic signal when the electromagnetic valve to be monitored works; the eddy current data acquisition instrument is connected with the eddy current sensor and is used for converting acquired electromagnetic signals into voltage signals; the monitoring terminal is connected with the eddy current data acquisition instrument and used for monitoring the working state of the electromagnetic valve to be monitored in real time according to the voltage signal. The utility model monitors the working state of the electromagnetic valve in real time through the devices such as the eddy current sensor, the eddy current data acquisition instrument, the monitoring terminal and the like, is convenient for the operators in the centralized control room to monitor the working condition of the electromagnetic valve at any time, and provides data support for operation adjustment, fault treatment and accident analysis of the unit.
Description
Technical Field
The utility model relates to the technical field of monitoring of the running state of an electromagnetic valve, in particular to a device for monitoring the running state of the electromagnetic valve on line.
Background
In recent years, with the rapid development of electric power utilities, the operation management of thermal power plants gradually realizes centralized and automatic development, new units are mostly controlled by electromagnetic valves on a control system, and no real-time monitoring function is provided for the states of the electromagnetic valves in design, so that once the electromagnetic valves are damaged and not found, unplanned shutdown of the units and even equipment damage may be caused. In order to ensure the safe and stable operation of the unit, it is important to monitor the electromagnetic valve in the unit control system in real time.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a device for monitoring the running state of an electromagnetic valve on line, which monitors the working state of the electromagnetic valve in real time, transmits the change condition to a centralized control room of a power plant through data lines such as cables and the like, and is convenient for operators to monitor the data in real time.
The utility model provides a device for monitoring the running state of an electromagnetic valve on line, which comprises an eddy current sensor, an eddy current data acquisition instrument and a monitoring terminal, wherein the eddy current sensor is connected with the monitoring terminal;
the eddy current sensor is arranged on the electromagnetic valve to be monitored and used for acquiring an electromagnetic signal when the electromagnetic valve to be monitored works;
the eddy current data acquisition instrument is connected with the eddy current sensor and is used for converting acquired electromagnetic signals into voltage signals;
the monitoring terminal is connected with the eddy current data acquisition instrument and used for monitoring the working state of the electromagnetic valve to be monitored in real time according to the voltage signal.
Further, the monitoring terminal is a computer.
Furthermore, the eddy current sensor is connected with the eddy current data acquisition instrument through a communication cable.
Further, the monitoring terminal is connected with a centralized control room and used for transmitting monitoring data to the centralized control room.
By means of the scheme, the working state of the electromagnetic valve is monitored in real time through the device for monitoring the running state of the electromagnetic valve on line, the eddy current sensor, the eddy current data acquisition instrument, the monitoring terminal (computer) and other equipment, so that operating personnel in a centralized control room can monitor the working condition of the electromagnetic valve conveniently at any time, and data support is provided for operation adjustment, fault handling and accident analysis of a unit.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of a device for online monitoring of the operating state of a solenoid valve according to the present invention.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
Referring to fig. 1, the embodiment provides a device for online monitoring an operating state of an electromagnetic valve, including an eddy current sensor 2, an eddy current data collector 3, and a monitoring terminal 4;
the eddy current sensor 2 is arranged on the electromagnetic valve 1 to be monitored and is used for acquiring an electromagnetic signal when the electromagnetic valve 1 to be monitored works;
the eddy current data acquisition instrument 3 is connected with the eddy current sensor 2 and is used for converting the acquired electromagnetic signals into voltage signals;
the monitoring terminal 4 is connected with the eddy current data acquisition instrument 3 and is used for monitoring the working state of the electromagnetic valve 1 to be monitored in real time according to the voltage signal.
This device of on-line monitoring solenoid valve running state utilizes the electromagnetic induction principle, through equipment such as eddy current sensor, eddy current data acquisition appearance, monitor terminal (computer), carries out real-time supervision to solenoid valve operating condition, makes things convenient for centralized control room operation personnel to monitor solenoid valve behavior at any time to provide data support for operation adjustment, fault handling, the accident analysis of unit.
In this embodiment, the monitoring terminal 4 is a computer.
In the present embodiment, the eddy current sensor 2 is connected to the eddy current data collector 3 through a communication cable 6.
In the present embodiment, the monitoring terminal 4 is connected to the centralized control room 5 for transmitting monitoring data thereto.
The electromagnetic valve to be tested is additionally provided with the eddy current sensor, when the electromagnetic valve normally works, an induction magnetic field is generated by a live coil of the electromagnetic valve, the magnetic field intensity is unchanged, the magnetic flux passing through the eddy current sensor is unchanged, the induction voltage U output by the eddy current sensor is set to logic as the voltage of the electromagnetic valve when the electromagnetic valve normally works, when the electromagnetic valve breaks down, the magnetic field intensity is inevitably changed, so that the induction voltage of the eddy current sensor is changed, and when the variation exceeds a preset fixed value, alarm information is sent out, so that the real-time monitoring function of the working state of the electromagnetic valve of an operator can be realized. Has the following effects:
1) the function of monitoring the working state of the electromagnetic valve on line by the unit is realized, a means for monitoring the working state of the electromagnetic valve is provided for operators, and problem analysis and accident handling are facilitated.
2) The monitoring of the working state of the electromagnetic valve is realized, and meanwhile, the monitoring data are transmitted to the power plant centralized control room in real time by utilizing the cable data line, so that the monitoring is implemented for operators, and the basis is provided for operation adjustment.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, it should be noted that, for those skilled in the art, many modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (4)
1. A device for monitoring the running state of an electromagnetic valve on line is characterized by comprising an eddy current sensor, an eddy current data acquisition instrument and a monitoring terminal;
the eddy current sensor is arranged on the electromagnetic valve to be monitored and used for acquiring an electromagnetic signal when the electromagnetic valve to be monitored works;
the eddy current data acquisition instrument is connected with the eddy current sensor and is used for converting acquired electromagnetic signals into voltage signals;
the monitoring terminal is connected with the eddy current data acquisition instrument and used for monitoring the working state of the electromagnetic valve to be monitored in real time according to the voltage signal.
2. The device for on-line monitoring of the operating state of the electromagnetic valve according to claim 1, wherein the monitoring terminal is a computer.
3. The device for monitoring the running state of the electromagnetic valve online as recited in claim 2, wherein the eddy current sensor is connected with the eddy current data collector through a communication cable.
4. The device for monitoring the running state of the electromagnetic valve online as claimed in claim 1, wherein the monitoring terminal is connected with a centralized control room and is used for transmitting monitoring data to the centralized control room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121503200.0U CN215986284U (en) | 2021-07-01 | 2021-07-01 | Device for monitoring running state of electromagnetic valve on line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121503200.0U CN215986284U (en) | 2021-07-01 | 2021-07-01 | Device for monitoring running state of electromagnetic valve on line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215986284U true CN215986284U (en) | 2022-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121503200.0U Active CN215986284U (en) | 2021-07-01 | 2021-07-01 | Device for monitoring running state of electromagnetic valve on line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215986284U (en) |
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2021
- 2021-07-01 CN CN202121503200.0U patent/CN215986284U/en active Active
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