CN107907753B - Detection device and method for relay protection device - Google Patents

Detection device and method for relay protection device Download PDF

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Publication number
CN107907753B
CN107907753B CN201710943893.7A CN201710943893A CN107907753B CN 107907753 B CN107907753 B CN 107907753B CN 201710943893 A CN201710943893 A CN 201710943893A CN 107907753 B CN107907753 B CN 107907753B
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information
relay protection
protection device
unit
detection
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CN107907753A (en
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童大中
丁鸿
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State Grid Corp of China SGCC
Huzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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State Grid Corp of China SGCC
Huzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00Measuring or testing not otherwise provided for
    • G01D21/02Measuring two or more variables by means not covered by a single other subclass
    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Alarm Systems (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • Radiation Pyrometers (AREA)

Abstract

The invention relates to a detection device and a detection method for a relay protection device, wherein the detection device comprises the following steps: the device comprises a microprocessor, a temperature sensing mechanism, a humidity sensor, a camera, a key circuit, a positioning module, a computer, a power supply, an infrared communication interface and a GPRS module, wherein the microprocessor is connected with the power supply; microprocessor, including the data acquisition unit, data classification unit, detect the early warning unit, the data storage unit, temperature sensing mechanism, humidity transducer, the camera, the keying circuit, orientation module is connected with the data acquisition unit respectively, infrared communication interface is connected with the data storage unit, the problem such as the on-the-spot maintainer work load is big in the main relay protection device maintenance process of having solved, the note paper is many, a relay protection device's detection device and method is provided, effectively reduce the maintainer record, the working strength of arrangement maintenance information, improve the efficiency and the rate of accuracy of maintenance, and reduce paper volume in a large number and make the renovation work more green more.

Description

Detection device and method for relay protection device
Technical Field
The invention relates to the field of maintenance of relay protection devices, in particular to a detection device and a detection method for a relay protection device.
Background
At present, because the scale of a power grid in China is gradually enlarged, and a power system is continuously developed and perfected, the requirement for field debugging of relay protection is higher and higher, and the area of relay protection is more and more complex. The field debugging of the relay protection can quickly reflect the operation condition of the power equipment, prevent the power system from faults to a certain extent and reduce the loss caused by the power faults. However, the current field maintainers face the problems of large workload, more paper, low working efficiency and easy leakage when renovating the relay protection device. The invention provides a detection device and a detection method of a relay protection device, which not only can detect the relay protection device, but also can monitor the working environment of the relay protection device constantly, thereby effectively reducing the working strength of recording and arranging maintenance information of the maintainers, improving the maintenance efficiency and accuracy, and greatly reducing the paper consumption to ensure that the renovation work is more environment-friendly.
Patent specification with application number 201510849363.7, entitled "an intelligent relay protection device detection system" discloses a relay protection device detection system, which includes: the invention only measures the action times of the relay protection device and the operation time of the relay protection device, cannot detect the appearance and various operation faults of the relay protection device, does not safely supervise the working environment of the relay protection device, and cannot overhaul the relay protection device in many aspects.
Disclosure of Invention
The invention mainly solves the problems of large workload, more paper, lower working efficiency and easiness in leakage when field maintainers overhaul the relay protection device in the prior art, and provides a detection system and a detection method of the relay protection device.
The technical problem of the invention is mainly solved by the following technical scheme: a detection device of a relay protection device is characterized by comprising: the device comprises a microprocessor, a temperature sensing mechanism, a humidity sensor, a camera, a key circuit, a positioning module, a computer, a power supply, an infrared communication interface and a GPRS module, wherein the microprocessor is connected with the power supply;
the microprocessor comprises a data acquisition unit, a data classification unit, a detection early warning unit and a data storage unit, wherein the data acquisition unit, the data classification unit, the detection early warning unit and the data storage unit are sequentially connected, and the temperature sensing mechanism, the humidity sensor, the camera, the key circuit and the positioning module are respectively connected with the data acquisition unit.
According to the invention, the relevant information of maintenance of the relay protection device is collected through the temperature sensing mechanism, the humidity sensor, the water level sensor, the camera, the key circuit and the positioning module, the collected information is subjected to identification processing, classification processing and detection early warning processing, then the processed information is stored in the storage unit, and finally the information is sent to the computer through the GPRS module, so that the stored problem can be conveniently looked up at any time for maintenance during centralized power failure treatment, and the effective management of the relay protection device is realized. The positioning module can determine the fault position in time when the relay protection device has a fault, and repair the relay protection device in time to reduce loss; when the GPRS module fails to send information, the data information in the data storage module can be read through the infrared communication interface.
Preferably, the microprocessor is provided with detection parameters of the protection type, the voltage grade, the appearance and the running state of the relay protection device.
As a preferred scheme, the infrared communication interface is connected with the data storage unit, and when the GPRS module fails and cannot send information, the data information in the data storage module can be read through the infrared communication interface.
As a preferred scheme, the input end of the GPRS module is connected with a data storage unit of the microprocessor, and the output end of the GPRS module is connected with the computer.
As a preferred scheme, the intelligent water level control system further comprises a water level sensor, wherein the water level sensor is connected with the data acquisition unit, and is used for detecting water level information of the position where the relay protection device is located constantly to ensure safe operation of the relay protection device.
As a preferred scheme, the temperature sensing mechanism comprises a base, a first tripod head, a second tripod head, a first stepping motor for driving the first tripod head to horizontally rotate, a second stepping motor for driving the rotation detection column to vertically rotate in a rotation groove, a rotation detection column, a fixing lug, a control unit, an optical temperature measurement unit, a wireless communication unit and a rotation groove, wherein the first tripod head is arranged on the base, the second tripod head is arranged on the first tripod head, the rotation groove is arranged on the second tripod head, the rotation detection column is hinged in the rotation groove, the optical temperature measurement unit is arranged at the top end of the rotation detection column, the first stepping motor is arranged on the base, the second stepping motor is arranged on the second tripod head, the fixing lugs are arranged on two sides of the base, the first stepping motor and the second stepping motor are respectively connected with the control unit, and the control unit, the optical temperature measurement unit and the wireless communication unit are respectively connected with the control unit, The data acquisition units of the microprocessor are connected in sequence.
A detection method of a relay protection device comprises the following steps:
s1, a data acquisition unit receives data information input by a temperature sensing mechanism, a humidity sensor, a water level sensor, a GPS (global positioning system) positioning module, a camera and a key circuit;
s2, classifying the acquired data information by a data classification unit;
s3, the detection early warning unit carries out detection early warning processing on the classified data information and positions the data information;
and S4, the data storage unit stores the processed data information and wirelessly transmits the data information to the computer through the GPRS module.
As a preferable mode, S1 includes the steps of:
s11, a data acquisition unit receives temperature information of a temperature sensing mechanism, humidity information of a humidity sensor, water level information of a water level sensor and position information of a positioning module;
s12, shooting the appearance of a data plate of the relay protection device and the appearance of the relay protection device by using a camera and transmitting an image to a data acquisition unit;
s13, inputting detection information of the protection type, the voltage grade and the running state of the relay protection device through the key circuit;
s14, recognizing characters on the nameplate image and converting the characters into character information by the data acquisition unit.
As a preferable mode, S2 includes the steps of:
s21, receiving the character information and the image information by a microprocessor data classification unit;
and S22, identifying the keywords in the character information by the data classification unit of the microprocessor, and classifying the character information into a device name, a protection type, a voltage grade, a device appearance and an operation state area.
As a preferable mode, S3 includes the steps of:
s31, reading the name information of the relay protection device by a microprocessor detection early warning unit;
s32, calling out relevant information of the relay protection device in detection parameters of the protection type, the voltage level, the device appearance and the running state of the relay protection device according to the name information of the relay protection device;
s33, comparing and checking the acquired character information and image information with relevant information of the relay protection device in all detection parameters of the relay protection device to find out the problem of the relay protection device;
s34, setting a temperature threshold, a humidity threshold and a water level threshold, and sending alarm information with fault positions when the received temperature information and the received humidity information are greater than the respective set thresholds;
and S35, transmitting the information to a data storage unit.
According to the invention, the relevant information of maintenance of the relay protection device is collected through the temperature sensing mechanism, the humidity sensor, the water level sensor, the camera, the key circuit and the positioning module, the collected information is subjected to identification processing, classification processing and detection early warning processing, then the processed information is stored in the storage unit, and finally the information is sent to the computer through the GPRS module, so that the stored problem can be conveniently looked up at any time for maintenance during centralized power failure treatment, and the effective management of the relay protection device is realized.
Therefore, the invention has the advantages that: the detection system and the detection method for the relay protection device not only detect the relay protection device, but also monitor the working environment of the relay protection device constantly, effectively reduce the working strength of recording and arranging maintenance information of maintainers, improve the maintenance efficiency and accuracy, reduce the paper consumption in a large amount, enable the maintenance work to be more environment-friendly, and simultaneously can acquire the data information stored by the device in time and maintain the data information in time when a fault occurs, thereby reducing the loss.
Drawings
FIG. 1 is a block diagram of the system architecture of the present invention;
FIG. 2 is a schematic top view of the temperature sensing mechanism of the present invention;
FIG. 3 is a schematic side view of the temperature sensing mechanism of the present invention;
fig. 4 is a schematic diagram of a circuit framework of the temperature sensing mechanism of the present invention.
The system comprises a water level sensor 1, a water level sensor 2, a temperature sensor 3, a humidity sensor 4, a camera 5, a key circuit 6, a positioning module 7, an infrared communication interface 8, a microprocessor 9, a data acquisition unit 10, a data classification unit 11, a detection early warning unit 12, a data storage unit 13, a power supply 14, a GPRS (general packet radio service) module 15, a computer 16, a base 17, a first holder 18, a second holder 19, a first stepping motor 20, a second stepping motor 21, a control unit 22, an optical temperature measurement unit 23, a wireless communication unit 24, a fixed lug 25, a rotation detection column 26 and a rotation groove.
Detailed Description
The invention is described in further detail below with reference to the following detailed description and accompanying drawings:
example (b):
the present embodiment is a detection device for a relay protection device, as shown in fig. 1, including: the device comprises a microprocessor 8, a temperature sensing mechanism 2, a humidity sensor 3, a camera 4, a key circuit 5, a positioning module 6, a computer 15, a power supply 13, an infrared communication interface 7 and a GPRS module 14, wherein the microprocessor is connected with the power supply;
the microprocessor comprises a data acquisition unit 9, a data classification unit 10, a detection early warning unit 11 and a data storage unit 12, wherein the data acquisition unit, the data classification unit, the detection early warning unit and the data storage unit are sequentially connected, and a temperature sensor, a humidity sensor, a camera, a key circuit and a positioning module are respectively connected with the data acquisition unit.
According to the invention, the relevant information of maintenance of the relay protection device is collected through the temperature sensing mechanism, the humidity sensor, the water level sensor, the camera, the key circuit and the positioning module, the collected information is subjected to identification processing, classification processing and detection early warning processing, then the processed information is stored in the storage unit, and finally the information is sent to the computer through the GPRS module, so that the stored problem can be conveniently looked up at any time for maintenance during centralized power failure treatment, and the effective management of the relay protection device is realized.
The microprocessor is provided with detection parameters of the protection type, the voltage grade, the device appearance and the running state of the relay protection device.
The infrared communication interface is connected with the data storage unit, and when the GPRS module fails to send information, data information in the data storage module can be read through the infrared communication interface.
The input end of the GPRS module is connected with a data storage unit of the microprocessor, and the output end of the GPRS module is connected with the computer.
The device also comprises a water level sensor 1, wherein the water level sensor is connected with the data acquisition unit, and is used for detecting the water level information of the position where the relay protection device is located constantly to ensure the safe operation of the relay protection device.
As shown in fig. 2, 3 and 4, the temperature sensing mechanism includes a base 16, a first pan/tilt 17, a second pan/tilt 18, a first stepping motor 19 for driving the first pan/tilt to horizontally rotate, a second stepping motor 20 for driving the rotation detection post to vertically rotate in the rotation groove, a rotation detection post 25, a fixing lug 24, a control unit 21, an optical temperature measurement unit 22, a wireless communication unit 23 and a rotation groove 26, wherein the first pan/tilt is disposed on the base, the second pan/tilt is disposed on the first pan/tilt, the rotation groove is disposed on the second pan/tilt, the rotation detection post is hinged in the rotation groove, the optical temperature measurement unit is disposed at the top end of the rotation detection post, the first stepping motor is disposed on the base, the second stepping motor is disposed on the second pan/tilt, the fixing lugs are disposed at two sides of the base, the first stepping motor and the second stepping motor are respectively connected to the control unit, and the control unit, The optical temperature measuring unit, the wireless communication unit and the microprocessor data acquisition unit are connected in sequence. In this embodiment, the optical temperature measuring unit adopts a thermopile array optical sensor, the first stepping motor and the second stepping motor adopt digital camera zoom-level stepping motors, and the communication unit adopts RF radio frequency communication equipment. The temperature measurement device has the advantages that large-range multipoint temperature measurement is realized, compared with single-point temperature measurement products, the cost is greatly reduced, non-contact rapid measurement is simultaneously carried out, the electrical performance of the relay protection device cannot be influenced, the angle is detected by the two stepping motor control light temperature measurement units when the temperature sensing mechanism works, the arc-shaped first holder stops after horizontally rotating for an angle every time, then the second holder rotates vertically, and the relay protection device in the vertical plane space where the angle is located is subjected to temperature detection. The detected temperature data is wirelessly sent to the microprocessor data acquisition unit, so that the purpose of automatically monitoring the temperature of the relay protection device in real time in all weather is achieved.
A detection method of a relay protection device comprises the following steps:
s1, a data acquisition unit receives data information input by a temperature sensing mechanism, a humidity sensor, a water level sensor, a GPS (global positioning system) positioning module, a camera and a key circuit;
s11, a data acquisition unit receives temperature information of a temperature sensing mechanism, humidity information of a humidity sensor, water level information of a water level sensor and position information of a positioning module;
s12, shooting the appearance of a data plate of the relay protection device and the appearance of the relay protection device by using a camera and transmitting an image to a data acquisition unit;
s13, inputting detection information of the protection type, the voltage grade and the running state of the relay protection device through the key circuit;
s14, recognizing characters on the nameplate image and converting the characters into character information by the data acquisition unit.
S2, classifying the acquired data information by a data classification unit;
s21, receiving the character information and the image information by a microprocessor data classification unit;
and S22, identifying the keywords in the character information by the data classification unit of the microprocessor, and classifying the character information into a device name, a protection type, a voltage grade, a device appearance and an operation state area.
S3, the detection early warning unit carries out detection early warning processing on the classified data information and positions the data information;
s31, reading the name information of the relay protection device by a microprocessor detection early warning unit;
s32, calling out relevant information of the relay protection device in detection parameters of the protection type, the voltage level, the device appearance and the running state of the relay protection device according to the name information of the relay protection device;
s33, comparing and checking the acquired character information and image information with relevant information of the relay protection device in all detection parameters of the relay protection device to find out the problem of the relay protection device;
s34, setting a temperature threshold, a humidity threshold and a water level threshold, and sending alarm information with fault positions when the received temperature information and the received humidity information are greater than the respective set thresholds;
and S35, transmitting the information to a data storage unit.
And S4, the data storage unit stores the processed data information and wirelessly transmits the data information to the computer through the GPRS module.
The invention effectively reduces the working strength of maintainers for recording and arranging maintenance information, improves the maintenance efficiency and accuracy of the relay protection device, and greatly reduces the paper consumption to ensure that the maintenance and treatment work is more environment-friendly.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Although the terms microprocessor, temperature sensing mechanism, key circuitry, positioning module, etc. are used more generally herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims (6)

1. A detection device of a relay protection device is characterized by comprising: the device comprises a microprocessor, a temperature sensing mechanism, a humidity sensor, a camera, a key circuit, a positioning module, a computer, a power supply, an infrared communication interface and a GPRS module, wherein the microprocessor is connected with the power supply;
the microprocessor comprises a data acquisition unit, a data classification unit, a detection early warning unit and a data storage unit, wherein the data acquisition unit, the data classification unit, the detection early warning unit and the data storage unit are sequentially connected, and the temperature sensing mechanism, the humidity sensor, the camera, the key circuit and the positioning module are respectively connected with the data acquisition unit; the temperature sensing mechanism comprises a base, a first holder, a second holder, a first stepping motor for driving the first holder to rotate horizontally, a second stepping motor for driving the rotation detection column to rotate vertically in the rotation groove, a rotation detection column, a fixing lug, a control unit, an optical temperature measurement unit, a wireless communication unit and a rotation groove, first cloud platform sets up on the base, the second cloud platform sets up on first cloud platform, it sets up on the second cloud platform to rotate the recess, it articulates in rotating the recess to rotate the detection post, optics temperature measurement unit installs and rotates the detection post top, first step motor is installed on the base, second step motor is installed on the second cloud platform, fixed ear sets up in the base both sides, first step motor, second step motor is connected with the control unit respectively, the control unit, optics temperature measurement unit, wireless communication unit, microprocessor data acquisition unit links to each other in proper order.
2. The relay protection device detection device according to claim 1, wherein the microprocessor is provided with detection parameters of a protection type, a voltage level, a device appearance and an operation state of the relay protection device.
3. The relay protection device detection device according to claim 1, wherein the infrared communication interface is connected to the data storage unit.
4. The relay protection device detection device according to claim 1, wherein the GPRS module input is connected to a data storage unit of the microprocessor, and the GPRS module output is connected to the computer.
5. The relay protection device detection device according to claim 1, further comprising a water level sensor, wherein the water level sensor is connected to the data acquisition unit.
6. A method for testing a relay protection device, using the system of any one of claims 1-5, comprising the steps of:
s1, a data acquisition unit receives data information input by a temperature sensing mechanism, a humidity sensor, a water level sensor, a GPS (global positioning system) positioning module, a camera and a key circuit; s11, a data acquisition unit receives temperature information of a temperature sensing mechanism, humidity information of a humidity sensor, water level information of a water level sensor and position information of a positioning module;
s12, shooting the appearance of a data plate of the relay protection device and the appearance of the relay protection device by using a camera and transmitting an image to a data acquisition unit;
s13, inputting detection information of the protection type, the voltage grade and the running state of the relay protection device through the key circuit;
s14, recognizing characters on the nameplate image and converting the characters into character information by the data acquisition unit;
s2, classifying the acquired data information by a data classification unit;
s21, receiving the character information and the image information by a microprocessor data classification unit;
s22, identifying keywords in the text information by the data classification unit of the microprocessor, and classifying the text information into a device name, a protection type, a voltage level, a device appearance and an operation state area;
s3, the detection early warning unit carries out detection early warning processing on the classified data information and positions the data information;
s31, reading the name information of the relay protection device by a microprocessor detection early warning unit;
s32, calling out relevant information of the relay protection device in detection parameters of the protection type, the voltage level, the device appearance and the running state of the relay protection device according to the name information of the relay protection device;
s33, comparing and checking the acquired character information and image information with relevant information of the relay protection device in all detection parameters of the relay protection device to find out the problem of the relay protection device;
s34, setting a temperature threshold, a humidity threshold and a water level threshold, and sending alarm information with fault positions when the received temperature information and the received humidity information are greater than the respective set thresholds;
s35, transmitting the information to a data storage unit;
and S4, the data storage unit stores the processed data information and wirelessly transmits the data information to the computer through the GPRS module.
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CN108391099A (en) * 2018-04-28 2018-08-10 重庆致明堂科技股份有限公司 A kind of intelligent control box for video monitoring
CN108469279A (en) * 2018-07-04 2018-08-31 北京裕成泰科技有限公司 A kind of vibration and temperature data acquisition device
CN112146762A (en) * 2020-09-18 2020-12-29 广东电网有限责任公司 Data processing system and method of relay protection device
CN112382074A (en) * 2020-11-25 2021-02-19 深圳市中龙通电子科技有限公司 Internet of things low-power consumption information communication control method based on wireless sensor

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