CN216144870U - Electric power detection system - Google Patents

Electric power detection system Download PDF

Info

Publication number
CN216144870U
CN216144870U CN202121772888.2U CN202121772888U CN216144870U CN 216144870 U CN216144870 U CN 216144870U CN 202121772888 U CN202121772888 U CN 202121772888U CN 216144870 U CN216144870 U CN 216144870U
Authority
CN
China
Prior art keywords
data transmission
grid line
power grid
analog
power
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202121772888.2U
Other languages
Chinese (zh)
Inventor
王刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202121772888.2U priority Critical patent/CN216144870U/en
Application granted granted Critical
Publication of CN216144870U publication Critical patent/CN216144870U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses an electric power detection system which comprises a plurality of power grid line detection units, a plurality of data transmission terminals and at least one remote monitoring center, wherein the signal input end of each data transmission terminal is connected with a plurality of power grid line detection units, and the data transmission terminals are respectively in communication connection with the remote monitoring center in a remote communication mode. The power grid line detection units distributed in each line section of the power grid line in the power system are arranged to detect the working parameters of the power grid line of each line section of the power system in real time, detected signals are transmitted to the remote monitoring center through the data transmission terminal in a remote mode, and a power system supervision worker can know and monitor the working state of each line section of the power grid line in the power system in real time through the remote monitoring center.

Description

Electric power detection system
Technical Field
The utility model relates to the technical field of electric power overhaul, in particular to an electric power detection system.
Background
The electric power is a power source for national economic development, and provides reliable electric power guarantee for economic social development. Therefore, the safety and reliability of the operation of the power system are important to the rapid development of national economy.
At present, the detection of a power grid line in the power system mainly adopts a manual routing inspection mode, so that the detection efficiency is low, and the safety is poor. Therefore, the power grid line of the power system needs to be monitored in real time through the power monitoring equipment, so that the power system can be ensured to run safely.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides an electric power detection system to realize real-time detection and monitoring of each line section of a power grid line in an electric power system.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides an electric power detection system, which comprises a plurality of power grid line detection units, a plurality of data transmission terminals and at least one remote monitoring center, wherein the signal input end of each data transmission terminal is connected with a plurality of power grid line detection units, the data transmission terminals are respectively in communication connection with the remote monitoring center in a remote communication mode, wherein,
the power grid line detection units are distributed in each line section of the power grid lines in the power system, and are used for detecting working parameters of the power grid lines of the corresponding line section in real time and sending the detected working parameters to the data transmission terminal connected with the power grid line detection units;
the data transmission terminal is used for receiving the working parameters of the power grid lines sent by the power grid line detection units connected with the data transmission terminal and sending the received working parameters of the power grid lines to the remote monitoring center in a remote data transmission mode;
the remote monitoring center is used for receiving the working parameters of the power grid line sent by each data transmission terminal connected with the remote monitoring center and managing the received working parameters of the power grid line.
Preferably, the grid line detection unit includes a sensor detection module and an a/D conversion circuit, the sensor detection module is connected with the a/D conversion circuit, the a/D conversion circuit is connected with the data transmission terminal, wherein,
the analog-to-digital conversion circuit is used for carrying out analog-to-digital conversion on the analog current signal, the analog voltage signal and the analog temperature signal detected by the sensor detection module and sending a digital signal obtained after the analog-to-digital conversion to the data transmission terminal.
Preferably, the power grid line detection unit further comprises a signal conditioning module, the signal conditioning module comprises a filter circuit and a voltage follower circuit, and the filter circuit and the voltage follower circuit are sequentially connected in series between the sensor detection module and the a/D conversion circuit;
the filter circuit is used for filtering the analog current signal, the analog voltage signal and the analog temperature signal detected by the sensor detection module and filtering harmonic waves in the analog signal, and the voltage follower circuit is used for isolating the analog current signal, the analog voltage signal and the analog temperature signal after the filtering and then stably outputting the signals to the A/D conversion circuit.
Preferably, the sensor detection module comprises a rogowski coil current sensor for detecting the current of the power grid line, a voltage transformer for detecting the voltage of the power grid line and a temperature sensor for detecting the temperature of the power grid line.
Preferably, the power detection system further comprises a CAN-to-ethernet module, the data transmission terminal is in network connection with the CAN-to-ethernet module through a CAN bus, and the CAN-to-ethernet module is in communication connection with the remote monitoring center through an ethernet.
Preferably, the remote monitoring center includes switch, server, monitoring host and display device, CAN change ethernet module, server and monitoring host respectively with switch communication connection, display device with monitoring host communication connection.
Preferably, the monitoring host comprises a first host and a second host which is provided redundantly, and the first host and the second host are respectively connected with the switch and the display device.
Preferably, the power detection system further comprises a mobile monitoring terminal, and the mobile monitoring terminal can access the server through the APP to refer to the data stored in the server.
Preferably, the mobile monitoring terminal is a smart phone.
The utility model has the beneficial effects that:
the power grid line detection units distributed in each line section of the power grid line in the power system are arranged to detect the working parameters of the power grid line of each line section of the power system in real time, detected signals are transmitted to the remote monitoring center through the data transmission terminal in a remote mode, and a power system supervision worker can know and monitor the working state of each line section of the power grid line in the power system in real time through the remote monitoring center.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
In order to more clearly illustrate the detailed description of the utility model or the technical solutions in the prior art, the drawings that are needed in the detailed description of the utility model or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of a power detection system according to an embodiment of the utility model.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the utility model pertains.
In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1, an embodiment of the present invention provides an electric power detection system, where the system includes a plurality of electric network line detection units 1, a plurality of data transmission terminals 2, and at least one remote monitoring center 3, a signal input end of each data transmission terminal 2 is connected to a plurality of electric network line detection units 1, the plurality of data transmission terminals 2 are respectively in communication connection with the remote monitoring center 3 in a remote communication manner, and the plurality of electric network line detection units 1 are distributed in each line segment of an electric network line in an electric power system.
In this embodiment, the working principle of the power detection system is as follows:
the working parameters of the power grid lines of the corresponding line sections are detected in real time through the power grid line detection units 1, the detected working parameters are sent to the data transmission terminals 2 connected with the data transmission terminals, the data transmission terminals 2 receive the working parameters of the power grid lines sent by the power grid line detection units 1 connected with the data transmission terminals and send the received working parameters of the power grid lines to the remote monitoring center 3 in a remote data transmission mode, the remote monitoring center 3 receives the working parameters of the power grid lines sent by the data transmission terminals 2 connected with the remote monitoring center and manages the received working parameters of the power grid lines, and a monitoring worker of the power system can know and monitor the working states of the line sections of the circuit lines in the power system in real time through the remote monitoring center 3.
In one embodiment, the grid line detection unit 1 includes a sensor detection module 11 and an a/D conversion circuit 12, the sensor detection module 11 is connected to the a/D conversion circuit 12, and the a/D conversion circuit 12 is connected to the data transmission terminal 2. The analog current signal, the analog voltage signal and the analog temperature signal of the power grid line of the corresponding line section are detected in real time by the sensor detection module 11, the analog current signal, the analog voltage signal and the analog temperature signal detected by the sensor detection module 11 are subjected to analog-to-digital conversion by the A/D conversion circuit 12, and a digital signal obtained after the analog-to-digital conversion is sent to the data transmission terminal 2. Specifically, in the present embodiment, the sensor detection module 11 includes a rogowski coil current sensor for detecting the grid line current, a voltage transformer for detecting the grid line voltage, and a temperature sensor for detecting the grid line temperature. Specifically, the analog-to-digital conversion chip of the a/D conversion circuit 12 may adopt a 16-bit high-speed analog-to-digital conversion chip of model AD 7671.
In one embodiment, the grid line detection unit 1 further includes a signal conditioning module 13, the signal conditioning module 13 includes a filter circuit 131 and a voltage follower circuit 132, and the filter circuit 131 and the voltage follower circuit 132 are sequentially connected in series between the sensor detection module 11 and the a/D conversion circuit 12. The filter circuit 131 filters the analog current signal, the analog voltage signal and the analog temperature signal detected by the sensor detection module 11 to filter out harmonics in the analog signal, and the voltage follower circuit 132 isolates the filtered analog current signal, analog voltage signal and analog temperature signal and then stably outputs the isolated analog current signal, analog voltage signal and analog temperature signal to the a/D conversion circuit 12.
In one embodiment, the power detection system further comprises a CAN-to-ethernet module 4, the data transmission terminal 2 is connected with the CAN-to-ethernet module 4 through a CAN bus in a network, and the CAN-to-ethernet module 4 is connected with the remote monitoring center 3 through an ethernet in a communication manner. The industrial Ethernet technology is used for transmitting data information of each data transmission terminal 2 and the remote monitoring center 3, and the data transmission terminals 2 are connected by a CAN bus to form a bus network, so that the control network of the detection system is realized.
In one embodiment, the remote monitoring center 3 includes a switch 31, a server 32, a monitoring host 33 and a display device 34, the CAN-to-ethernet module 4, the server 32 and the monitoring host 33 are respectively connected to the switch 31 in a communication manner, and the display device 34 is connected to the monitoring host 33 in a communication manner. The data uploaded by the data transmission terminal 2 are transmitted to the monitoring host 33 through the exchanger to be processed, and are transmitted to the server 32 to be stored, so that the data can be called later, the monitoring host 33 processes the detected data, and then sends the processing result to the display device 34 to be displayed in real time, so that the power system supervisor can check the processing result, the monitoring host 33 also sends the processing result to the server 32 to be stored, and the exchanger 31 realizes data interaction among the data transmission terminal 2, the server 32 and the monitoring host 33.
In one embodiment, the monitoring host 33 includes a first host 331 and a second host 332 provided redundantly, and the first host 331 and the second host 332 are connected to the switch 31 and the display device 34, respectively. Therefore, the monitoring of the power system is prevented from being influenced due to the damage of the single monitoring host 33, and the uninterrupted monitoring of the power system is effectively ensured.
In one embodiment, the power detection system further includes the mobile monitoring terminal 5, and the mobile monitoring terminal 5 can access the server 32 through the APP to refer to the data stored by the server 32. The mobile monitoring terminal 5 can be configured for a maintenance worker of the power system, when a power grid line of the power system fails, the maintenance worker can access the server 32 through the mobile monitoring terminal 5 to know various working parameters of the failed line section, prepare corresponding maintenance equipment in advance before going to field maintenance, and improve maintenance efficiency. Specifically, the mobile monitoring terminal 5 may be a smartphone in which a corresponding APP is installed.
In the description of the present invention, numerous specific details are set forth. It is understood, however, that embodiments of the utility model may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims (7)

1. An electric power detection system is characterized by comprising a plurality of power grid line detection units, a plurality of data transmission terminals and at least one remote monitoring center, wherein the signal input end of each data transmission terminal is connected with a plurality of power grid line detection units, the data transmission terminals are respectively in communication connection with the remote monitoring center in a remote communication mode, wherein,
the power grid line detection units are distributed in each line section of the power grid lines in the power system, and are used for detecting working parameters of the power grid lines of the corresponding line section in real time and sending the detected working parameters to the data transmission terminal connected with the power grid line detection units;
the data transmission terminal is used for receiving the working parameters of the power grid lines sent by the power grid line detection units connected with the data transmission terminal and sending the received working parameters of the power grid lines to the remote monitoring center in a remote data transmission mode;
the remote monitoring center is used for receiving the working parameters of the power grid line sent by each data transmission terminal connected with the remote monitoring center and managing the received working parameters of the power grid line.
2. The power detection system according to claim 1, wherein the grid line detection unit includes a sensor detection module and an A/D conversion circuit, the sensor detection module being connected with the A/D conversion circuit, the A/D conversion circuit being connected with the data transmission terminal, wherein,
the analog-to-digital conversion circuit is used for carrying out analog-to-digital conversion on the analog current signal, the analog voltage signal and the analog temperature signal detected by the sensor detection module and sending a digital signal obtained after the analog-to-digital conversion to the data transmission terminal.
3. The power detection system of claim 2, wherein the grid line detection unit further comprises a signal conditioning module, the signal conditioning module comprising a filter circuit and a voltage follower circuit, the filter circuit and the voltage follower circuit being serially connected in sequence between the sensor detection module and the a/D conversion circuit;
the filter circuit is used for filtering the analog current signal, the analog voltage signal and the analog temperature signal detected by the sensor detection module and filtering harmonic waves in the analog signal, and the voltage follower circuit is used for isolating the analog current signal, the analog voltage signal and the analog temperature signal after the filtering and then stably outputting the signals to the A/D conversion circuit.
4. A power detection system according to claim 2 or 3, wherein the sensor detection module comprises a rogowski coil current sensor for detecting grid line current, a voltage transformer for detecting grid line voltage and a temperature sensor for detecting grid line temperature.
5. The power detection system according to any one of claims 1 to 3, further comprising a CAN to Ethernet module, wherein the data transmission terminal is connected to the CAN to Ethernet module via a CAN bus, and the CAN to Ethernet module is connected to the remote monitoring center via Ethernet.
6. The power detection system of claim 5, wherein the remote monitoring center comprises a switch, a server, a monitoring host, and a display device, the CAN-to-Ethernet module, the server, and the monitoring host are respectively in communication connection with the switch, and the display device is in communication connection with the monitoring host.
7. The power detection system according to claim 6, wherein the monitoring host comprises a first host and a second host provided redundantly, and the first host and the second host are connected to the switch and the display device, respectively.
CN202121772888.2U 2021-07-30 2021-07-30 Electric power detection system Active CN216144870U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121772888.2U CN216144870U (en) 2021-07-30 2021-07-30 Electric power detection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121772888.2U CN216144870U (en) 2021-07-30 2021-07-30 Electric power detection system

Publications (1)

Publication Number Publication Date
CN216144870U true CN216144870U (en) 2022-03-29

Family

ID=80803497

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121772888.2U Active CN216144870U (en) 2021-07-30 2021-07-30 Electric power detection system

Country Status (1)

Country Link
CN (1) CN216144870U (en)

Similar Documents

Publication Publication Date Title
CN202929124U (en) Substation high-voltage shunt capacitor intelligent online monitoring system
CN106443362A (en) Power distribution network fault detection system
CN105445594A (en) Power grid fault detection system
CN108199477A (en) Substation's ac and dc systems fault remote intelligent control method and equipment
CN103412237B (en) Intelligent tester for transformer coil turn-to-turn short circuit
CN216144870U (en) Electric power detection system
CN203572905U (en) Automatic monitoring device for train power supply failure
CN103337912B (en) Master monitoring device of AC/DC (Alternating Current/Direct Current) integration power supply
CN205280908U (en) New energy automobile battery package test verifying attachment
CN204575733U (en) A kind of high-tension cable sheath grounding current on-line monitoring system
CN105301390A (en) Wireless insulation monitoring device and monitoring method thereof
CN105510732A (en) Power transformer monitoring system and method
CN100540750C (en) AC power supply device in aluminum electrolysis shop computer on-line insulating monitoring and warning
CN109839568A (en) Transmission line malfunction diagnostic system based on zero-sequence current detection
CN104280154A (en) High voltage electricity wireless temperature measurement system
CN207947652U (en) A kind of power equipment system of condition monitoring
CN112848895B (en) Locomotive power supply electrical protection device and control method
CN205749662U (en) A kind of current detecting system for high tension cable sheath ground connection
CN213545520U (en) Secondary equipment on-line monitoring and data filtering device
CN212207612U (en) Battery monitoring system
CN204740308U (en) GIS on -line monitoring sensor
CN210983730U (en) Wireless temperature measurement system of wind power distribution network based on internet of things communication
CN217717948U (en) High-power rectifier bridge arm signal detection box
CN202522659U (en) Grid failure intelligent identification system
CN109638968B (en) Transformer substation distributed transformer and transformer state monitoring method

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant