CN114705301A - An intelligent control device for remote temperature measurement of substation equipment and its control method - Google Patents

Abstract

The invention relates to a remote temperature measurement intelligent control device and a control method of substation equipment, and belongs to the technical field of power transformation operation and maintenance of power systems. Including movable infrared radiation thermometer fixing device, infrared temperature measurement intelligent control and analytic system, wireless temperature sensor, wherein, movable infrared radiation thermometer fixing device includes the telescopic bracket leg of tripod, the telescopic bracket leg top of tripod is equipped with the infrared radiation thermometer fixing base that is used for installing infrared radiation thermometer, be equipped with rotary mechanism between telescopic bracket leg of tripod and the infrared radiation thermometer fixing base, the shutter mechanical finger is installed respectively to the infrared radiation thermometer fixing base left and right sides, switch mechanical finger, infrared radiation thermometer passes through wireless transceiver and infrared temperature measurement intelligent control and analytic system looks communication. The invention can realize remote timing and continuous temperature measurement through the intelligent control and analysis system, and complete remote transmission of data such as temperature measurement maps and intelligent analysis of temperature measurement results.

Description

An intelligent control device for remote temperature measurement of substation equipment and its control method

technical field

The invention relates to an intelligent control device for remote temperature measurement of substation equipment and a control method thereof, which are widely used in the process of infrared thermometer shooting, wireless temperature measurement sensor temperature measurement and result analysis, and belong to the technical field of power system substation operation and maintenance.

Background technique

At present, in the power system, the infrared thermometer is manually operated by hand at the temperature measurement site, and the temperature measurement results need to be manually exported and analyzed. The robot temperature measurement is limited by the orbit, and many positions are difficult to measure. With the continuous increase of power demand, the load on substation equipment continues to increase, and equipment temperature anomalies occur from time to time, which will seriously affect the safe and stable operation of the power grid and the reliability of power supply. In order to reduce the work intensity of operation and maintenance personnel, realize the station-side viewing and intelligent analysis of temperature measurement data, and effectively promote the era requirements of science and technology enterprises, it is urgent to develop a remote temperature measurement intelligent control and analysis system for substation equipment to improve equipment temperature measurement. efficiency.

SUMMARY OF THE INVENTION

The purpose of the present invention is to solve the shortcomings of the above-mentioned prior art, and to provide an intelligent control and analysis system for remote temperature measurement of substation equipment, which can realize remote timing and continuous temperature measurement through the intelligent control and analysis system, and complete the temperature measurement. Remote transmission of data such as maps and intelligent analysis of temperature measurement results. At the same time, the invention uses wireless temperature measurement sensors for live equipment such as cables, cable heads, switch cabinets, etc. that can be directly contacted, and mobile infrared temperature measurement for other live equipment. The instrument fixing device can meet the temperature measurement under various conditions.

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

A remote temperature measurement intelligent control device for substation equipment, which is special in that it includes a movable infrared thermometer fixing device 1, an infrared temperature measurement intelligent control and analysis system 2, a wireless temperature measurement sensor 3, and a movable infrared temperature measurement. The instrument fixing device 1, the infinite temperature measuring sensor 3 are connected to the infrared temperature measurement intelligent control and analysis system 2 in communication, wherein the movable infrared thermometer fixing device 1 includes a tripod with adjustable height and retractable legs 1-4, a tripod The top of the telescopic bracket legs 1-4 is provided with an infrared thermometer fixing seat 1-1 for installing the infrared thermometer, and there is a rotation between the tripod telescopic bracket legs 1-4 and the infrared thermometer fixing seat 1-1 Mechanism, the left and right sides of the infrared thermometer holder 1-1 are respectively installed with shutter mechanical fingers 1-2 and switch mechanical fingers 1-8. The infrared thermometer is intelligently controlled and analyzed through wireless transceivers 1-6 and infrared temperature measurement. System 2-phase communication;

Preferably, the infrared thermometer fixing base 1-1 is U-shaped, and the shutter mechanical finger 1-2 and the switch mechanical finger 1-8 are respectively installed on the two U-shaped vertical arms of the infrared thermometer fixing base 1-1 superior;

Preferably, a rechargeable battery pack 1-7 is installed at the bottom of the infrared thermometer holder 1-1;

Preferably, the number of the tripod telescopic support legs 1-4 is three, and each support pusher includes an inner support leg 1-10 and an outer support leg 1-11. Fixed pins 1-5, and mounting plates 1-12 are installed on the top of the tripod telescopic legs 1-4;

Preferably, the rotating mechanism includes an inner tube and an outer tube 1-9 sleeved on the outside of the inner tube, the bottom of the inner tube is fixed on the mounting plate 1-12, and the top of the outer tube 1-9 is fixed on the infrared thermometer fixing seat 1 On -1, tripod angle fastening pins 1-3 are installed on the side walls of outer tubes 1-9;

Preferably, the infrared temperature measurement intelligent control and analysis system 2 includes a temperature measurement data display module 2-1, a device temperature and current value curve module 2-2, and an intelligent analysis result module 2-3.

A control method for a remote temperature measurement intelligent control device for substation equipment, which is special in that it includes the following steps:

1. Place the infrared thermometer on the infrared thermometer fixing seat 1-1, and adjust the shooting height by stretching the telescopic legs 1-4 of the tripod and tightening the leg fastening pins 1-5;

2. Adjust the shooting angle by rotating the tripod angle fastening pins 1-3, so as to ensure that the equipment that needs temperature measurement is in the field of view of the lens;

3. Move the shutter manipulator fingers 1-2 to the shutter of the infrared thermometer, move the switch manipulator fingers 1-8 to the switch of the infrared thermometer, and when the timing is reached, the infrared temperature measurement intelligent control and analysis system 2 will control the switch Mechanical fingers 1-8 press the thermometer switch, and then control the shutter mechanical fingers 1-2 to press the shutter to get the infrared temperature measurement map;

4. The infrared temperature measurement map is transmitted to the infrared temperature measurement intelligent analysis system 2 through the wireless transceiver 1-6, and then the switch mechanical fingers 1-8 are controlled to press the shutter to turn off the thermometer to save power;

5. The wireless temperature measurement sensor 3 is suitable for temperature measurement positions such as cables, cable heads, and switch cabinet shells that can be directly contacted under live conditions. The wireless temperature measurement sensor 3 is used to monitor the temperature in real time, and the temperature measurement data is uploaded to the infrared temperature measurement. Intelligent analysis system 2 to facilitate viewing at the station;

6. After receiving the temperature measurement map of the infrared thermometer or the temperature data uploaded by the wireless temperature measurement sensor 3, the infrared temperature measurement intelligent analysis system 2 can view the temperature measurement data display module 2-1 at the station, and at the same time, the temperature measurement The intelligent analysis system 2 intelligently extracts the temperature value of the highest temperature point of the equipment in the map, the average temperature value of the equipment, the temperature measurement result of the wireless temperature measurement sensor 3 and the temperature value of some set points, and reads it from the power monitoring system. Take out the current value of the device at the corresponding time point, and if the temperature is measured at multiple times, the device temperature and current value curve module 2-2 will be generated;

Preferably, in the step 6), the intelligent temperature measurement control and analysis system 2 adopts an intelligent algorithm to analyze whether the temperature is normal, whether maintenance measures or load reversal needs to be taken according to the relationship between the temperature of different equipment and current, ambient temperature, and heat dissipation conditions, and obtains The intelligent analysis result module 2-3 helps the operation and maintenance personnel to remotely judge the equipment running status in real time.

Compared with the prior art, the patent of the present invention can produce the following positive effects: the patent of the present invention is a remote temperature measurement intelligent control and analysis system for substation equipment, which can be used for cables, cable heads, switch cabinets and other live equipment that can be directly contacted and other For live equipment that cannot be directly contacted, use wireless temperature sensors and movable infrared thermometer fixtures respectively. The temperature measurement time is remotely set through the intelligent control and analysis system, and continuous infrared temperature measurement is realized at a fixed period. Real-time temperature monitoring is realized through wireless temperature measurement sensors, which improves the temperature measurement efficiency, reduces the workload of operation and maintenance personnel, and transmits the temperature measurement results. To the station, complete the intelligent analysis of temperature measurement data. It has:

1. Timed and continuous temperature measurement. This device is designed with an intelligent control and analysis system, which can set an infrared thermometer to achieve infrared temperature measurement and photography at a specific time, or set a certain period of continuous temperature measurement and save the map, and upload it to the temperature measurement intelligent control and analysis system . The wireless temperature measurement sensor data can be uploaded to the temperature measurement intelligent control and analysis system in real time. .

2. The intelligent analysis system realizes remote transmission and intelligent analysis of temperature measurement data. The device transmits the temperature measurement data from the field to the station, and intelligently extracts the temperature value of the highest temperature point of the equipment in the map, the average temperature value of the equipment and the wireless temperature measurement sensor data, etc. Curve graph, and read the current value of the equipment at the corresponding time point from the power monitoring system. According to the relationship between the temperature of different equipment and current, ambient temperature, and heat dissipation conditions, intelligent algorithms are used to analyze whether the temperature is normal, whether maintenance measures or failures need to be taken. Load, help operation and maintenance personnel to judge the running status of equipment.

3. Meet the temperature measurement requirements of various equipment. Wireless temperature measurement sensors and movable infrared thermometer fixtures can be selected for live equipment that can be directly contacted such as cables, cable heads, switch cabinets, and other live equipment that cannot be directly contacted. The wireless temperature measurement device can be adsorbed or bundled on the surface of the device to be measured to achieve real-time temperature measurement. The movable infrared thermometer fixing device can adjust the height by adjusting the telescopic bracket legs and the leg fastening pins, and realize the angle adjustment by adjusting the angle of the thermometer fixing seat and tightening the angle fastening pins, so as to meet the requirements of different height and angle equipment. infrared temperature measurement requirements.

Description of drawings

FIG. 1 is a schematic structural diagram of an intelligent control device for remote temperature measurement of substation equipment according to the present invention.

In the picture: 1. Movable infrared thermometer fixing device; 2. Infrared temperature measurement intelligent control and analysis system; 3. Wireless temperature measurement sensor; 1-1, Infrared thermometer fixing seat; 1-2, Shutter mechanism Fingers; 1-3, Tripod Angle Fastening Pin; 1-4, Tripod Retractable Stand Leg; 1-5, Outrigger Fastening Pin; 1-6, Wireless Transceiver; 1-7, Rechargeable Battery Pack; 1- 8. Switch mechanical finger; 1-9, outer tube; 1-10, inner leg; 1-11, outer leg; 1-12, mounting plate; 2-1, temperature measurement data display module; 2-2, Equipment temperature and current value curve module; 2-3, intelligent analysis result module.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Example 1

An intelligent control device for remote temperature measurement of substation equipment in this embodiment, please refer to FIG. 1 , which includes three parts including a movable infrared thermometer fixing device 1 , an infrared temperature measurement intelligent control and analysis system 2 , and an infinite temperature measurement sensor 3 . Among them, the movable infrared thermometer fixing device 1 includes: an infrared thermometer fixing seat 1-1; a shutter mechanical finger 1-2; a tripod angle fastening pin 1-3; a tripod retractable bracket leg 1-4; Outrigger fastening pins 1-5; wireless transceivers 1-6; rechargeable battery packs 1-7; switch mechanical fingers 1-8. Infrared temperature measurement intelligent analysis system 2 includes: temperature measurement data display module 2-1; equipment temperature and current value curve module 2-2; intelligent analysis result module 2-3, tripod retractable support legs 1-4 and infrared thermometer A rotating mechanism is arranged between the fixed bases 1-1.

The infrared thermometer holder 1-1 is U-shaped, and the shutter mechanical fingers 1-2 and the switch mechanical fingers 1-8 are respectively installed on the two U-shaped vertical arms of the infrared thermometer holder 1-1; There are rechargeable battery packs 1-7 installed at the bottom of the instrument fixing base 1-1; the number of tripod retractable support legs 1-4 is three, and each support push includes inner legs 1-10, outer legs 1-11, and outer legs 1-11. Outriggers 1-11 are provided with outrigger fastening pins 1-5 at the bottom, and mounting plates 1-12 are installed at the top of tripod telescopic legs 1-4; the rotating mechanism includes an inner tube and an outer tube 1- 9. The bottom of the inner tube is fixed on the mounting plate 1-12, the top of the outer tube 1-9 is fixed on the infrared thermometer fixing seat 1-1, and the side wall of the outer tube 1-9 is installed with a tripod angle fastening pin 1- 3;

Control method: The movable infrared thermometer fixing device 1 utilizes the rechargeable battery packs 1-7 to realize the power supply, which is convenient to move to different places, and there is no need to find another power source. Place the infrared thermometer on the infrared thermometer fixing seat 1-1, and adjust the shooting height by stretching the telescopic legs 1-4 of the tripod and tightening the leg fastening pins 1-5. Fixed pins 1-3 realize the adjustment of the shooting angle, so as to ensure that the equipment that needs temperature measurement is in the field of view of the lens. Move the shutter manipulator fingers 1-2 to the thermometer shutter, and move the switch manipulator fingers 1-8 to the thermometer switch. When the timing is reached, the infrared temperature measurement intelligent control and analysis system 2 will control the switch mechanical fingers 1-8 to press the thermometer switch, and then control the shutter mechanical fingers 1-2 to press the shutter to obtain the infrared temperature measurement map. The infrared temperature measurement map is transmitted to the infrared temperature measurement intelligent analysis system 2 through the wireless transceivers 1-6, and then the switch mechanical fingers 1-8 are controlled to press the shutter, and the thermometer is turned off to save power.

The wireless temperature measurement sensor 3 is suitable for temperature measurement positions such as cables, cable heads, and switch cabinet shells that can be directly contacted under live conditions. The existing low-cost wireless temperature measurement sensor 3 is used to monitor the temperature in real time, and the temperature measurement data is uploaded to the infrared temperature measurement intelligent analysis system 2 to facilitate viewing at the station.

After receiving the temperature measurement map of the infrared thermometer or the temperature data uploaded by the wireless temperature measurement sensor 3, the infrared temperature measurement intelligent analysis system 2 can view the temperature measurement data display module 2-1 at the station end. At the same time, the temperature measurement intelligent analysis system 2 intelligently extracts the temperature value of the highest temperature point of the device in the map, the average temperature value of the device, the temperature measurement result of the wireless temperature measurement sensor 3 and the temperature value of some set points, and extracts it from the power The current value of the device at the corresponding time point is read out from the monitoring system, and if the temperature is measured at multiple times, the device temperature and current value curve module 2-2 will be generated. In addition, the temperature measurement intelligent control and analysis system 2 adopts intelligent algorithms to analyze whether the temperature is normal, whether maintenance measures or load reversal are required, and obtains intelligent analysis result modules 2-3 according to the relationship between different equipment temperatures and current, ambient temperature, and heat dissipation conditions. , to help the operation and maintenance personnel to remotely judge the running status of the equipment in real time.

An intelligent control device for remote temperature measurement of substation equipment in this embodiment can select wireless temperature measurement sensors and mobile infrared sensors for live equipment that can be directly contacted such as cables, cable heads, switch cabinets, and other live equipment that cannot be directly contacted. Thermometer fixture. The temperature measurement time is remotely set through the intelligent control and analysis system, and continuous infrared temperature measurement is realized at a fixed period. Real-time temperature monitoring is realized through wireless temperature measurement sensors, which improves the temperature measurement efficiency, reduces the workload of operation and maintenance personnel, and transmits the temperature measurement results. To the station, complete the intelligent analysis of temperature measurement data

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (8)

1. A remote temperature measurement intelligent control device for substation equipment is characterized by comprising a movable infrared thermometer fixing device, an infrared temperature measurement intelligent control and analysis system and a wireless temperature measurement sensor, the movable infrared thermometer fixing device and the infinite temperature measuring sensor are in communication connection with the infrared temperature measuring intelligent control and analysis system, the movable infrared thermometer fixing device comprises a tripod telescopic support leg capable of adjusting the height, an infrared thermometer fixing seat used for installing an infrared thermometer is arranged at the top of the tripod telescopic support leg, a rotating mechanism is arranged between the tripod telescopic support leg and the infrared thermometer fixing seat, shutter mechanical fingers and switch mechanical fingers are installed on the left side and the right side of the infrared thermometer fixing seat respectively, and the infrared thermometer is communicated with an infrared temperature measurement intelligent control and analysis system through a wireless transceiver.

2. The intelligent control device for remote temperature measurement of substation equipment according to claim 1, characterized in that the infrared thermometer holder is U-shaped, and the shutter mechanical finger and the switch mechanical finger are respectively mounted on two U-shaped vertical arms of the infrared thermometer holder.

3. The intelligent control device for remote temperature measurement of substation equipment according to claim 1, characterized in that a rechargeable battery pack is installed at the bottom of the infrared thermometer fixing seat.

4. The intelligent control device for remote temperature measurement of the transformer substation equipment according to claim 1, wherein the number of the tripod telescopic bracket legs is three, each bracket push comprises an inner leg and an outer leg, a leg fastening pin is installed at the bottom of the outer leg, and a mounting plate is installed at the top of the tripod telescopic bracket leg.

5. The intelligent control device for remote temperature measurement of substation equipment according to claim 4, characterized in that the rotary mechanism comprises an inner tube and an outer tube sleeved outside the inner tube, the bottom of the inner tube is fixed on the mounting plate, the top of the outer tube is fixed on the infrared thermometer fixing base, and a tripod angle fastening pin is installed on the side wall of the outer tube.

6. The intelligent control device for remote temperature measurement of the substation equipment according to claim 1, wherein the intelligent control and analysis system for infrared temperature measurement comprises a temperature measurement data display module and an equipment temperature and current value curve module; and an intelligent analysis result module.

7. The control method of the intelligent control device for remote temperature measurement of the substation equipment according to the claims 1 to 6 is characterized by comprising the following steps:

1) placing an infrared thermometer on an infrared thermometer fixing seat, and adjusting the shooting height by stretching a telescopic support leg of a tripod and screwing a support leg fastening pin;

2) the shooting angle is adjusted by rotating the tripod angle fastening pin, so that equipment needing temperature measurement is ensured to be in the field of view of the lens;

3) moving a shutter mechanical finger to a shutter of an infrared thermometer, moving a switch mechanical finger to a switch of the infrared thermometer, controlling the switch mechanical finger to press the switch of the infrared thermometer by an infrared temperature measurement intelligent control and analysis system when a timing moment is reached, and then controlling the shutter mechanical finger to press the shutter to obtain an infrared temperature measurement map;

4) the infrared temperature measurement map is transmitted to an infrared temperature measurement intelligent analysis system through a wireless transceiver, and then a switch mechanical finger is controlled to press a shutter, so that the temperature measuring instrument is shut down to save electric quantity;

5) the wireless temperature measurement sensor is suitable for temperature measurement positions of cables, cable heads, switch cabinet shells and the like which can be directly contacted under the electrified condition, the temperature is monitored in real time by the wireless temperature measurement sensor, and temperature measurement data are uploaded to an infrared temperature measurement intelligent analysis system so as to be conveniently checked at a station end;

6) the intelligent infrared temperature measurement analysis system can check the temperature measurement data display module at a station end after receiving a temperature measurement map of an infrared thermometer or temperature data uploaded by a wireless temperature measurement sensor, and meanwhile, the intelligent temperature measurement analysis system can intelligently extract a temperature value of a highest temperature point of equipment in the map, an average temperature value of the equipment, a temperature measurement result of the wireless temperature measurement sensor and temperature values of certain set points, read a current value of the equipment at a corresponding time point from the power monitoring system, and generate an equipment temperature and current value curve module for multi-time temperature measurement.

8. The control method of the intelligent control device for remote temperature measurement of the substation equipment according to claim 7, characterized in that in the step 6), the intelligent temperature measurement control and analysis system adopts an intelligent algorithm to analyze whether the temperature is normal or not and whether maintenance measures or load shedding needs to be taken or not according to the relationship between the temperature of different equipment and the current, the ambient temperature and the heat dissipation condition, so as to obtain an intelligent analysis result module, and help operation and maintenance personnel to remotely judge the running state of the equipment in real time.

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