Power plant electrical equipment temperature detection cruise device and monitoring method

Abstract

The invention discloses a power plant electrical equipment temperature detection cruise device and a monitoring method, a cruise device body comprises a meandering track for cruise setting, a laser temperature measuring instrument for temperature detection and a guide wheel advancing mechanism, and the laser temperature measuring instrument is arranged at the top of a mounting plate and used for detecting, collecting and transmitting the internal temperature of electrical equipment; the bottom surface of the mounting plate is provided with a group of guide wheel advancing mechanisms which are mounted in mirror symmetry; the guide wheel advancing mechanism comprises a power guide wheel; the power guide wheel rolls on the outer wall of the labyrinth track; a limiting groove is formed in the top face of the labyrinth track in the track direction and matched with a limiting pin in the guide wheel advancing mechanism in a sliding mode. According to the invention, circular detection is carried out through a labyrinth track arrangement mode, the temperature of the position where the electrical elements are located can be detected, the environment temperature between the electrical elements can also be detected, and the monitoring of the environment temperature can be used as a temperature monitoring reference quantity. And a monitoring system can more comprehensively and accurately master the relation between the working temperature change of the electrical element and the environment temperature.

Description

Technical Field

[0001] The present invention relates to the technical field of power plant electrical control, and in particular to a temperature detection cruise device and a monitoring method for electrical equipment in a power plant. Background Art

[0002] A power plant is a power plant that converts some form of raw energy into electrical energy for fixed facilities or transportation, such as thermal, hydro, diesel or nuclear power plants. During the operation of the electrical equipment in a thermal power plant, a large amount of heat is generated. If the internal temperature of the equipment is kept at a high temperature for a long time, it will not only affect the normal operation of the electrical equipment, but also pose a safety hazard. In order to monitor the temperature inside the equipment in real time, abnormal temperature detection equipment is required. However, the equipment currently on the market for abnormal temperature detection of power plant electrical equipment has a single temperature detection location, a small detection range, poor detection accuracy, and low overall practicality.

[0003] The patent with application number CN202123416339.4 discloses an abnormal temperature detection device for electrical equipment in a thermal power plant, which includes a driving module, the driving module includes an installation component and a driving component, and the installation component and the driving component are movably connected; and a monitoring module, the monitoring module is movably connected to the driving module, the monitoring module includes a connecting component and a monitoring component, and the connecting component and the monitoring component are movably connected; and a fixing module, the driving module and the monitoring module are both arranged at the fixing module.

[0004] However, there are also some technical defects in the above patents, such as the temperature monitoring range is too small, the detection route is too single, and the electrical components that need to be monitored in the electrical equipment are not necessarily distributed in a straight line. In the case of staggered distribution, linear mobile monitoring cannot reach each monitoring point separately on a cruise route.

[0005] Therefore, a temperature detection cruise device and a monitoring method for electrical equipment in a power plant are proposed to solve the above problems. Summary of the Invention

[0006] In order to solve the above problems existing in the prior art, the present invention provides a temperature detection cruise device and a monitoring method for electrical equipment in a power plant.

[0007] The technical solutions of the present invention are as follows:

[0008] A temperature detection cruise device for electrical equipment in a power plant comprises a cruise device body, the cruise device body comprising a curvilinear track for cruise setting, a laser thermometer for temperature detection, and a guide wheel travel mechanism, wherein the laser thermometer is arranged on the top of a mounting plate for detecting and collecting the internal temperature of the transmitted electrical equipment; a group of guide wheel travel mechanisms which are mirror-symmetrically mounted to each other are provided on the bottom surface of the mounting plate; the guide wheel travel mechanism comprises a power guide wheel which rolls on the outer wall of the curvilinear track; a track support is fixedly connected to the bottom of the curvilinear track, and a limit groove is provided on the top surface of the curvilinear track along the track direction to slidably adapt to a limit pin in the guide wheel travel mechanism.

[0009] Preferably, the guide wheel travel mechanism also includes a rotating connecting column connected to the bottom of the mounting plate, the bottom end of the rotating connecting column is connected to the guide wheel mounting frame, the guide wheel mounting frame cover is arranged on the outside of the curvature guide track, and the inside of the guide wheel mounting frame is provided with power guide wheels on both sides of the curvature track. The power guide wheel on one side is connected to the drive motor through the guide wheel shaft A, and the power guide wheel on the other side is arranged inside the guide wheel bracket with a transverse U-shaped structure through the guide wheel shaft B. The outer wall of the guide wheel bracket is connected to the inner wall of the guide wheel mounting frame through a spring.

[0010] Preferably, the top outer wall and the bottom outer wall of the guide wheel bracket are both slidably mounted in corresponding sliding grooves on the guide wheel mounting frame through sliding pins.

[0011] Preferably, the drive motor is fixedly mounted on the top outer wall of the guide wheel mounting frame.

[0012] Preferably, the outer wall of the curved track is arranged in an outward convex arc shape to adapt to the inward concave arc wheel side of the power guide wheel.

[0013] Preferably, both end sides of the labyrinth track are provided with limit baffles.

[0014] Preferably, a travel switch is provided at one end of the labyrinth guide rail.

[0015] Preferably, the bottom of the laser thermometer is arranged on the top surface of the mounting plate through a thermometer support, and the laser thermometer and the thermometer support are hinged for adjusting the angle of the laser thermometer for temperature measurement.

[0016] A method for monitoring the temperature of electrical equipment in a power plant, comprising the following steps:

[0017] S1. Arrange the main monitoring component monitoring points inside the electrical equipment, then connect them according to the main monitoring component monitoring points, and set up continuous curved temperature monitoring slots around the main monitoring component monitoring points;

[0018] S2. After optimizing the designed temperature monitoring broken line path, an optimized temperature monitoring curve path will be obtained;

[0019] S3. A maze track and a cruise device body are installed parallel to and below the temperature monitoring slot to monitor electrical equipment, thereby achieving cruise temperature measurement.

[0020] It also includes a data processing module, a sensor module, an alarm module, a power module and a self-test position data module. The power module supplies power to the entire system when it starts working. The sensor module transmits the collected temperature data to the data processing module for data analysis at one time. Then, when the data processing module detects that the temperature exceeds the standard according to the defined program, it will start the alarm module and transmit the specific alarm position data to the self-test position data unit for positioning. The self-test position data module will transmit the data to the display module to display the alarm position. At the same time, the self-test position data module also includes regular self-test of the operating status of the sensor module and the data processing module, and transmits the self-test results to the display module. The sensor module also includes a self-calibration system for regularly performing sensor zero point calibration and sensitivity verification.

[0021] The present invention has the following beneficial effects: the present invention performs cyclic detection through a tortuous track setting method. In addition to being able to detect the temperature of the location where the electrical components are located, it can also detect the ambient temperature between each electrical component. The monitoring of the ambient temperature can be used as a temperature monitoring reference, which facilitates the monitoring system to more comprehensively and accurately grasp the relationship between the working temperature changes of the electrical components and the ambient temperature. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the working state trajectory of the overall device of the present invention;

[0023] Figure 2 This is a schematic cross-sectional view of the structural principle of the cruise device body in the overall device of the present invention;

[0024] Figure 3 For the present invention Figure 2 A in the middle is a partial enlargement diagram;

[0025] Figure 4 This is a schematic diagram of the installation structure of the laser thermometer of the present invention;

[0026] Figure 5 This is a schematic diagram of the operating trajectory and monitoring method principles of the present invention;

[0027] Figure 6 This is a schematic diagram of system data operation of the present invention.

[0028] The reference numerals in the figures are as follows:

[0029] 100. Cruise device body; 1. Mounting plate; 2. Guide wheel travel mechanism; 201. Rotating connecting column; 202. Drive motor; 203. Guide wheel mounting frame; 204. Power guide wheel; 205. Guide wheel shaft A; 206. Limit pin; 208. Track support; 209. Guide wheel shaft B; 210. Spring; 211. Slide groove; 212. Guide wheel bracket; 213. Slide pin; 3. Qujing track; 4. Limit groove; 5. Limit baffle; 6. Travel switch; 7. Laser thermometer; 8. Thermometer support; 9. Electrical equipment; 10. Monitoring points of main monitoring components; 11. Designed temperature monitoring broken line path; 12. Optimized temperature monitoring curve path; 13. Temperature monitoring slot. DETAILED DESCRIPTION

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0031] See also Figures 1 to 6 A temperature detection cruise device for electrical equipment in a power plant includes a cruise device body 100. The cruise device body 100 includes a curvilinear track 3 for cruise setting, a laser thermometer 7 for temperature detection, and a guide wheel travel mechanism 2. The laser thermometer 7 is arranged on the top of the mounting plate 1 to detect and collect the internal temperature of the transmission electrical equipment; a group of guide wheel travel mechanisms 2 installed in a mirror-symmetrical manner with each other are provided on the bottom surface of the mounting plate 1; the guide wheel travel mechanism 2 includes a power guide wheel 204, which rolls on the outer wall of the curvilinear track 3; the bottom of the curvilinear track 3 is fixedly connected to the track support 208, and a limit groove 4 is provided on the top surface of the curvilinear track 3 along the track direction to slidably adapt to the limit pin 206 in the guide wheel travel mechanism 2.

[0032] Furthermore, the guide wheel travel mechanism 2 also includes a rotating connecting column 201 connected to the bottom of the mounting plate 1, and the bottom end of the rotating connecting column 201 is connected to the guide wheel mounting frame 203. The guide wheel mounting frame 203 is covered on the outside of the curvature guide track 3, and the inside of the guide wheel mounting frame 203 is provided with power guide wheels 204 on both sides of the curvature track 3. The power guide wheel 204 on one side is connected to the drive motor 202 through the guide wheel shaft A205, and the power guide wheel 204 on the other side is arranged inside the guide wheel bracket 212 with a horizontal U-shaped structure through the guide wheel shaft B209. The outer wall of the guide wheel bracket 212 is connected to the inner wall of the guide wheel mounting frame 203 through the spring 210.

[0033] Furthermore, the top outer wall and the bottom outer wall of the guide wheel bracket 212 are both slidably mounted in the corresponding sliding grooves 211 on the guide wheel mounting frame 203 through sliding pins 213.

[0034] Furthermore, the driving motor 202 is fixedly mounted on the top outer wall of the guide wheel mounting frame 203 .

[0035] Furthermore, the outer wall of the labyrinth track 3 is configured to be convexly arc-shaped to fit the concavely arc-shaped wheel side of the power guide wheel 204 .

[0036] Furthermore, limit baffles 5 are provided on both end sides of the labyrinth track 3 .

[0037] Furthermore, a travel switch 6 is provided at one end of the labyrinth guide rail 3 .

[0038] Furthermore, the bottom of the laser thermometer 7 is arranged on the top surface of the mounting plate 1 through a thermometer support 8, and the laser thermometer 7 and the thermometer support 8 are hinged for the laser thermometer 7 to adjust the angle for temperature measurement.

[0039] A method for monitoring the temperature of electrical equipment in a power plant, comprising the following steps:

[0040] S1. Arrange the main monitoring element monitoring points 10 inside the electrical equipment 9, then connect the main monitoring element monitoring points 10 and arrange continuous curved temperature monitoring grooves 13 around the periphery of the main monitoring element monitoring points 10;

[0041] S2. After optimizing the designed temperature monitoring broken line path 11, an optimized temperature monitoring curve path 12 is obtained;

[0042] S3. A maze track 3 and a cruise device body 100 are installed parallel to and below the temperature monitoring slot 13 to monitor the electrical equipment 9 and thereby achieve cruise temperature measurement.

[0043] Among them, it also includes a data processing module, a sensor module, an alarm module, a power module and a self-test position data module. The power module supplies power to the entire system when it starts working. The sensor module transmits the collected temperature data to the data processing module for data analysis at one time. Then, when the data processing module detects that the temperature exceeds the standard according to the defined program, it will start the alarm module and transmit the specific alarm position data to the self-test position data unit for positioning. The self-test position data module will transmit the data to the display module to display the alarm position. At the same time, the self-test position data module also includes regular self-test of the operating status of the sensor module and the data processing module, and transmits the self-test results to the display module. The sensor module also includes a self-calibration system for regularly performing sensor zero point calibration and sensitivity verification.

[0044] Working principle of the present invention:

[0045] In the present invention, a cruise device is provided for monitoring the temperature of key components by using a maze track 3 for cruise-type monitoring, which effectively makes up for the technical defects of a small temperature measurement range and an overly single detection route. The detection cruise device used in the present invention includes a cruise device body 100, which includes a maze track 3 for cruise setting, a laser thermometer 7 for temperature detection, and a guide wheel travel mechanism 2. The laser thermometer 7 is provided on the top of the mounting plate 1 for detecting and collecting the internal temperature of the transmission electrical equipment. The bottom of the laser thermometer 7 is provided on the top surface of the mounting plate 1 through a thermometer support 8, and the laser thermometer 7 and the thermometer support 8 are hinged for adjusting the angle of the laser thermometer 7 for temperature measurement.

[0046] A group of guide wheel travel mechanisms 2 installed in mirror symmetry with each other are provided on the bottom surface of the mounting plate 1; the guide wheel travel mechanism 2 includes a power guide wheel 204, which rolls on the outer wall of the curvature track 3; the bottom of the curvature track 3 is fixedly connected to the track support 208, and a limiting groove 4 is provided on the top surface of the curvature track 3 along the track direction to slide and adapt to the limiting pin 206 in the guide wheel travel mechanism 2; the outer wall of the curvature track 3 is arranged in an outward convex arc shape to adapt to the inward concave arc wheel side of the power guide wheel 204; at the same time, limit baffles 5 are provided on both end sides of the curvature track 3 to prevent the entire device from sliding off the track, and a travel switch 6 is provided at one end of the curvature guide rail 3 to control the movement of the entire device.

[0047] The guide wheel travel mechanism 2 also includes a rotating connecting column 201 connected to the bottom of the mounting plate 1, and the bottom end of the rotating connecting column 201 is connected to the guide wheel mounting frame 203. The guide wheel mounting frame 203 is covered and arranged on the outside of the curved guide track 3, and the guide wheel mounting frame 203 is provided with a power guide wheel 204 on both sides of the curved track 3. The power guide wheel 204 on one side is connected to the drive motor 202 through the guide wheel shaft A205, and the power guide wheel 204 on the other side is arranged inside the guide wheel bracket 212 with a transverse U-shaped structure through the guide wheel shaft B209. The drive motor 202 is fixedly mounted on the top outer wall of the guide wheel mounting frame 203; the outer wall of the guide wheel bracket 212 is connected to the inner wall of the guide wheel mounting frame 203 by a spring 210, and the top outer wall and the bottom outer wall of the guide wheel bracket 212 are slidably mounted in the corresponding slide groove 211 on the guide wheel mounting frame 203 through a sliding pin 213;

[0048] The sliding pin 213 slides in the slide groove 211, so that the guide wheel travel mechanism 2 can better perform curved motion on the curved track 3, and a certain amount of movement space is reserved. At the same time, a method for monitoring the temperature of electrical equipment in a power plant has the following steps:

[0049] S1. Arrange the main monitoring element monitoring points 10 inside the electrical equipment 9, then connect the main monitoring element monitoring points 10 and arrange continuous curved temperature monitoring grooves 13 around the periphery of the main monitoring element monitoring points 10;

[0050] S2. After optimizing the designed temperature monitoring broken line path 11, an optimized temperature monitoring curve path 12 is obtained;

[0051] S3. A maze track 3 and a cruise device body 100 are installed parallel to and below the temperature monitoring slot 13 to monitor the electrical equipment 9 and thereby achieve cruise temperature measurement.

[0052] Among them, it also includes a data processing module, a sensor module, an alarm module, a power module and a self-test position data module. The power module supplies power to the entire system when it starts working. The sensor module transmits the collected temperature data to the data processing module for data analysis at one time. Then, when the data processing module detects that the temperature exceeds the standard according to the defined program, it will start the alarm module and transmit the specific alarm position data to the self-test position data unit for positioning. The self-test position data module will transmit the data to the display module to display the alarm position. At the same time, the self-test position data module also includes regular self-test of the operating status of the sensor module and the data processing module, and transmits the self-test results to the display module. The sensor module also includes a self-calibration system for regularly performing sensor zero point calibration and sensitivity verification.

[0053] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention's description and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A temperature detection cruise device for electrical equipment in a power plant, comprising a cruise device body (100), the cruise device body (100) including a curved track (3) for cruise setting, a laser thermometer (7) for temperature detection, and a guide wheel travel mechanism (2), characterized in that: The laser thermometer (7) is arranged on the top of the mounting plate (1) for detecting and collecting the internal temperature of the transmission electrical equipment; the bottom surface of the mounting plate (1) is provided with a group of guide wheel travel mechanisms (2) installed in a mirror-symmetrical manner; the guide wheel travel mechanism (2) includes a power guide wheel (204), and the power guide wheel (204) rolls on the outer wall of the curvature track (3); the bottom of the curvature track (3) is fixedly connected to the track support (208), and a limiting groove (4) is provided on the top surface of the curvature track (3) along the track direction to slidably adapt to the limiting pin (206) in the guide wheel travel mechanism (2).

2. A temperature detection cruise device for electrical equipment in a power plant according to claim 1, characterized in that: The guide wheel travel mechanism (2) further comprises a rotating connection column (201) connected to the bottom of the mounting plate (1); the bottom end of the rotating connection column (201) is connected to a guide wheel mounting frame (203); the guide wheel mounting frame (203) is covered and arranged outside the curved guide track (3); and power guide wheels (204) are arranged on both sides of the curved track (3) inside the guide wheel mounting frame (203); the power guide wheel (204) on one side is connected to the drive motor (202) via a guide wheel shaft A (205); and the power guide wheel (204) on the other side is arranged inside a guide wheel bracket (212) with a transverse U-shaped structure via a guide wheel shaft B (209); and the outer wall of the guide wheel bracket (212) is connected to the inner wall of the guide wheel mounting frame (203) via a spring (210).

3. A temperature detection cruise device for electrical equipment in a power plant according to claim 2, characterized in that: The top outer wall and the bottom outer wall of the guide wheel bracket (212) are both slidably mounted in corresponding sliding grooves (211) on the guide wheel mounting frame (203) via sliding pins (213).

4. A temperature detection cruise device for electrical equipment in a power plant according to claim 2, characterized in that: The driving motor (202) is fixedly mounted on the top outer wall of the guide wheel mounting frame (203).

5. The temperature detection cruise device for electrical equipment in a power plant according to claim 1, characterized in that: The outer wall of the curved track (3) is in an outwardly convex arc shape and is configured to fit the inwardly concave arc wheel side of the power guide wheel (204).

6. The temperature detection cruise device for electrical equipment in a power plant according to claim 1, characterized in that: Both end sides of the labyrinth track (3) are provided with limiting baffles (5).

7. A temperature detection cruise device for electrical equipment in a power plant according to claim 6, characterized in that: A travel switch (6) is provided at one end of the labyrinth guide rail (3).

8. The temperature detection cruise device for electrical equipment in a power plant according to claim 1, characterized in that: The bottom of the laser thermometer (7) is arranged on the top surface of the mounting plate (1) via a thermometer support (8), and the laser thermometer (7) and the thermometer support (8) are hinged to allow the laser thermometer (7) to adjust an angle for temperature measurement.

9. A method for monitoring temperature of electrical equipment in a power plant according to any one of claims 1 to 8, comprising the following steps: S1. Arranging main monitoring element monitoring points (10) inside the electrical equipment (9), then connecting the main monitoring element monitoring points (10), and setting continuous curved temperature monitoring grooves (13) around the periphery of the main monitoring element monitoring points (10); S2. After optimizing the designed temperature monitoring broken line path (11), an optimized temperature monitoring curve path (12) is obtained; S3. A maze track (3) and a cruise device body (100) are installed parallel to and below the temperature monitoring slot (13) to monitor the electrical equipment (9), thereby achieving cruise temperature measurement.

10. The method for monitoring temperature of electrical equipment in a power plant according to claim 9, characterized in that: It also includes a data processing module, a sensor module, an alarm module, a power module and a self-test position data module. The power module supplies power to the entire system when starting up. The sensor module transmits the collected temperature data to the data processing module for data analysis. Then, when the data processing module detects that the temperature exceeds the standard according to the defined program, it will start the alarm module and transmit the specific alarm position data to the self-test position data unit for positioning. The self-test position data module will transmit the data to the display module to display the alarm position. At the same time, the self-test position data module also includes regular self-test of the operating status of the sensor module and the data processing module, and transmits the self-test results to the display module. The sensor module also includes a self-calibration system for regularly performing sensor zero point calibration and sensitivity verification.

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