CN103674293A - Dry-type electric reactor temperature detection system - Google Patents

Abstract

The invention discloses a dry-type electric reactor temperature detection system. According to the system, the temperature of a dry-type electric reactor is detected through a temperature detection device embedded in the dry-type electric reactor, and the detected temperature value is sent to a monitoring terminal through a data transmission device. When the monitoring terminal determines that the temperature in the dry-type electric reactor exceeds a preset temperature value, a warning signal is output. The system can detect the temperature of the dry-type electric reactor in real time so that the dry-type electric reactor can stop operating in advance before the dry-type electric reactor catches a fire and accordingly lose is reduced to the maximum extent.

Description

A dry-type reactor temperature detection system

technical field

The invention relates to the field of grid detection, in particular to a temperature detection system for a dry-type reactor.

Background technique

With the development of the distribution network, dry-type reactors play an increasingly important role in the power grid, from neutral point reactors to reactive power compensation equipment, from AC filter components to smoothing reactors in UHVDC transmission systems, Dry reactor has become the main equipment in the power system.

During the operation of the power grid, the accident of reactor failure and combustion occurred in a long period of time. The main reason was that the temperature inside the dry-type reactor was too high. Since there is no suitable inspection technology at present, the relay protection device can only operate after the accident and trip the circuit breaker connected to it to remove the fault. The purpose of letting the equipment out of operation and reducing the loss to a minimum.

Contents of the invention

In view of this, the present invention provides a dry-type reactor temperature detection system to detect the temperature of the dry-type electric controller in real time, so that the equipment is out of operation before the failure occurs, and the loss is minimized.

To achieve the above object, the present invention provides the following technical solutions:

A dry-type reactor temperature detection system, comprising: a temperature detection device fixed inside the dry-type reactor to detect the temperature of the dry-type reactor, a data transmission device connected to the temperature detection device, and the A monitoring terminal connected to the data transmission device;

The data transmission device is used to send the temperature value detected by the temperature detection device to the monitoring terminal;

The monitoring terminal is used to output an alarm signal when the temperature of the dry-type reactor exceeds a preset temperature.

Preferably, the temperature detection device includes: at least one wireless temperature sensor.

Preferably, the data transmission device is connected to the temperature detection device and the monitoring terminal through a wireless network.

Preferably, the system further includes: a database connected to the monitoring terminal, and the database is used to store the temperature values collected by the temperature detection device.

Preferably, the temperature detection device communicates with the data transmission device using 2.4G frequency band wireless radio frequency signals.

Preferably, the data transmission device communicates with the monitoring terminal through modbus protocol and IEC61850 protocol.

Preferably, the monitoring terminal includes:

A processor, the processor is configured to output a corresponding control signal when the temperature value detected by the temperature detection device exceeds a preset temperature value;

An alarm that is connected to the processor and sends an alarm signal according to the control signal output by the processor;

A display that is connected with the processor and displays the temperature value detected by the temperature detection device in real time.

Preferably, the monitoring terminal is wirelessly connected with at least one data transmission device, and each data transmission device is wirelessly connected with 12 wireless temperature sensors.

Preferably, the wireless temperature sensor adopts a wireless temperature sensor whose model is HCDL871-CW.

Preferably, the data transmission device adopts a data transmission device modeled as HCDL821.

It can be seen from the above technical solutions that, compared with the prior art, the disclosure of the present invention provides a dry-type reactor temperature detection system. The system detects the temperature of the dry-type reactor through the temperature detection device built in the dry-type reactor, and sends the detected temperature value to the monitoring terminal through the data transmission device. When the monitoring terminal determines that the temperature inside the dry-type reactor exceeds the preset temperature value, an alarm signal is output. The system can detect the temperature of the dry-type reactor in real time, so that before the dry-type reactor catches fire, it can exit the operation in advance and minimize the loss.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only It is an embodiment of the present invention, and those skilled in the art can also obtain other drawings according to the provided drawings without creative work.

Fig. 1 shows a schematic structural view of an embodiment of a dry-type reactor temperature detection system of the present invention;

Fig. 2 shows a schematic structural diagram of another embodiment of a dry-type reactor temperature detection system of the present invention.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Referring to FIG. 1 , a schematic structural diagram of an embodiment of a dry-type reactor temperature detection system of the present invention is shown.

In this embodiment, the device includes: a temperature detection device 1 , a data transmission device 2 connected to the temperature detection device 1 , and a monitoring terminal 3 connected to the data transmission device 2 .

Specifically, in this embodiment, the temperature detection device 1 is built in the dry-type reactor for detecting the temperature of the dry-type reactor and sending the detected temperature to the data transmission device 2 .

The data transmission device 2 receives the temperature of the dry-type reactor sent by the temperature detection device 1 , and forwards the temperature value to the monitoring terminal 3 .

The monitoring terminal 3 judges whether the temperature of the dry-type reactor exceeds the preset temperature, and when the monitoring terminal 3 determines that the temperature of the dry-type reactor exceeds the preset temperature, the monitoring terminal 3 outputs an alarm signal to remind the professionals of the power system Perform corresponding operations on the dry-type reactor to ensure the safe operation of the dry-type electric controller.

Compared with the existing technology, this system detects the temperature of the dry-type reactor through the temperature detection device built in the dry-type reactor, and sends the detected temperature value to the monitoring terminal through the data transmission device. When the monitoring terminal determines that the temperature inside the dry-type reactor exceeds the preset temperature value, an alarm signal is output. The system can detect the temperature of the dry-type reactor in real time, so that before the dry-type reactor catches fire, it can exit the operation in advance to minimize the loss.

Referring to FIG. 2 , it shows a schematic structural diagram of another embodiment of a dry-type reactor temperature detection system of the present invention.

In this embodiment, the temperature detection device 1 of the system includes at least one wireless temperature sensor 11 . The multiple wireless temperature sensors 11 send the detected temperature value of the dry-type reactor to the data transmission device 2 through wireless communication technology, and then send the temperature value to the monitoring terminal 3 through the data transmission device 2 . It should be noted that, in this embodiment, the data transmission device 2 is connected to the monitoring terminal 3 through a wireless network.

Optionally, in this embodiment, the monitoring terminal 3 includes: a processor 31, the processor 31 is configured to output a corresponding control when the temperature value detected by the temperature detection device 1 exceeds a preset temperature value Signal;

Connected to the processor 31, an alarm 32 that sends an alarm signal according to the control signal output by the processor 21;

Connected with the processor 31, a display 33 that displays the temperature value detected by the temperature detection device in real time.

It can be understood that, in this embodiment, the system may also include a database 4 connected to the monitoring terminal 3, and the database 4 is used to store the temperature value of the wireless temperature sensor 11 received by the data transmission device. At the same time, as a preferred solution, the temperature value of the reactor during normal operation can also be stored in the database 4, and the monitoring terminal 3 can compare the temperature value of the collected wireless temperature sensor 11 with the standard temperature value to realize automatic control and alarm Device 32 alarm function.

In other embodiments of the present invention, database 4 also can only be used as storing the effect of the temperature value that wireless temperature sensor 11 gathers, and can not store temperature standard value, the present invention also can carry out real-time observation by staff, with the manual alarm mode to work.

According to a preferred embodiment of the present invention: the wireless temperature sensor 11 is a wireless temperature sensor model HCDL871-CW, which is an embedded single-chip microprocessor circuit to collect digital temperature sensor signals, and the wireless temperature sensor 11 adopts a special design , high insulation level, can work stably in high voltage and strong magnetic field environment, its internal embedded program is specially optimized for special use environment, low power consumption, reliable communication, in open areas, the reliable communication distance is greater than 200m, And each wireless temperature sensor 11 and the data transmission device 2 adopt 2.4G frequency band wireless radio frequency signal communication.

The data transmission device 2 adopts the data transmission device model HCDL821, and the data transmission device 2 is powered by a DC power supply, and communicates through the modbus protocol and the IEC61850 protocol.

The monitoring terminal 3 can be set to be connected to at least one data transmission device 2 as required, and each data transmission device 2 can be wirelessly connected to 12 wireless temperature sensors 11 at most.

Finally, it should also be noted that in this text, relational terms such as first and second etc. are only used to distinguish one entity or operation from another, and do not necessarily require or imply that these entities or operations, any such actual relationship or order exists. Furthermore, the terms "comprises", "comprises" or any other variation thereof are intended to cover a non-exclusive inclusion such that a process, article or apparatus comprising a set of elements includes not only those elements but also other elements not expressly listed. elements, or also elements inherent in such processes, articles or equipment. Without further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, article or device comprising said element.

Each embodiment in this specification is described in a progressive manner, each embodiment focuses on the difference from other embodiments, and the same and similar parts of each embodiment can be referred to each other.

The above description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the application. Therefore, the present application will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. a dry reactor system for detecting temperature, it is characterized in that, comprise: be fixed on described dry reactor inner, the monitor terminal that detect the temperature-detecting device of described dry reactor temperature, the data transmission device being connected with described temperature-detecting device, is connected with described data transmission device;

Described data transmission device, is sent to described monitor terminal for the temperature value that described temperature-detecting device is detected;

Described monitor terminal, while being more than preset temperature for the temperature when described dry reactor, output alarm signal.

2. system according to claim 1, is characterized in that, described temperature-detecting device comprises: at least one radio temperature sensor.

3. system according to claim 1, is characterized in that, data transmission device is connected with described monitor terminal with described temperature-detecting device by wireless network.

4. according to the system described in claim 1,2 or 3, it is characterized in that, described system also comprises: with the database that described monitor terminal is connected, described database is for storing the temperature value that described temperature-detecting device collects.

5. system according to claim 4, is characterized in that, described temperature-detecting device adopts 2.4G frequency range radio frequency signal to communicate by letter with described data transmission device.

6. system according to claim 4, is characterized in that, described data transmission device and described monitor terminal are by modbus agreement and IEC61850 protocol communication.

7. system according to claim 1, is characterized in that, described monitor terminal comprises:

Processor, when described processor is more than preset temperature value for the temperature value detecting when described temperature-detecting device, exports corresponding control signal;

Be connected with described processor, according to the control signal of described processor output, send the alarm of alerting signal;

Be connected with described processor, show in real time the display of the temperature value that described temperature-detecting device detects.

8. system according to claim 2, is characterized in that, described monitor terminal and at least one data transmission device, and each data transmission device and 12 radio temperature sensor wireless connections.

9. system according to claim 2, is characterized in that, described radio temperature sensor adopts the radio temperature sensor that model is HCDL871-CW.

10. system according to claim 3, is characterized in that, described data transmission device adopts the data transmission device that model is HCDL821.

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