Multi-node power grid wireless temperature measuring device and temperature measuring method

Abstract

The invention discloses a multi-node power grid wireless temperature measuring device and a temperature measuring method, and relates to the technical field of power grid wireless temperature measurement. The multi-node power grid wireless temperature measuring device comprises two racks, driving mechanisms used for driving the device to move are installed on the two racks, and side frames are fixedly installed on the sides, away from the racks, of the driving mechanisms; one side of the side frame is fixedly provided with a monitoring mechanism used for preliminarily measuring the temperature of the line, the two ends of the rack are both provided with clamping mechanisms used for conducting environment isolation temperature measurement on the line, and one side of the monitoring mechanism is provided with a processing mechanism used for processing the surface of the line. Through the arrangement of the monitoring mechanism, the cable temperature state can be timely and roughly fed back, a temperature abnormal area can be rapidly positioned, the long-distance cable temperature measurement process is effectively shortened, rapid testing is achieved, the temperature measurement process is accelerated in the process, the cable maintenance efficiency and accuracy are improved through real-time monitoring, and the service life of the cable is prolonged. And the operation safety and stability of the cable are further ensured.

Description

Technical Field

[0001] The present invention relates to the technical field of wireless temperature measurement for power grids, and in particular to a multi-node wireless temperature measurement device and a temperature measurement method for power grids. Background Art

[0002] A grid node refers to a connection point in a power grid. It is the basic component unit of the grid structure. In a power system, a grid node can be a physical connection point, such as a busbar in a substation, an outlet of a generator, etc. It can also be a logical connection point, which is used to represent the relationship between the transmission and distribution of electric energy between different parts of the grid. A grid node is an important component of the grid. It connects various parts of the grid and is responsible for the transmission and distribution of electric energy. It also has functions such as status monitoring, control, fault isolation and recovery. In order to ensure the normal operation of the grid, it is necessary to regularly measure the temperature of the connection lines between the grid nodes to ensure the stable operation between the grid nodes.

[0003] In the prior art, a Chinese patent with announcement number CN112834060B discloses a cable temperature measuring device to solve the above-mentioned technical problems. The technical solution disclosed in the patent document is as follows: it includes a moving mechanism, a lower cable temperature measuring mechanism and an upper cable temperature measuring mechanism, a fixed rod is fixedly connected to the bottom of the fixed block, a movable inner rod is movably sleeved at the center position inside the fixed rod, an elastic spring is fixedly connected to the outer side of the bottom of the fixed rod, an outer end of the elastic spring is fixedly connected to a mounting plate, an outer end of the mounting plate is fixedly connected to a mounting rod at the center position, a positioning clamp is provided at one end of the outer side of the mounting rod, and a roller is rotatably connected to the inner center position of the fixed shaft. The cable temperature measuring device starts the driving motor, the shaft rotates, drives the connecting rod to rotate, and the connecting rod and the bearing are rotated and sleeved, so that the transmission gear drives the conveyor belt to transmit, and the top of the conveyor belt contacts the cable inlet and outlet, so that the temperature of the cables in the cable inlet and outlet can be measured easily, thereby achieving semi-automatic cable temperature measurement and reducing labor intensity and working time. However, when measuring the temperature of cables between power grid nodes, due to the large number of cables between nodes, gradual and accurate temperature measurement will make the temperature measurement process more cumbersome and time-consuming. In addition, the structure between power grid nodes is more complicated, and manual temperature measurement is more dangerous. Therefore, manual temperature measurement needs to be avoided. Summary of the invention

[0004] The object of the present invention is to provide a multi-node power grid wireless temperature measurement device and a temperature measurement method to solve the problems of manual temperature measurement and too long temperature measurement cycle in the above-mentioned background technology.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is: A multi-node power grid wireless temperature measuring device comprises a frame, two frames are equipped with driving mechanisms for driving devices to move, a side frame is fixedly installed on the side of the driving mechanism away from the frame, a monitoring mechanism for preliminary temperature measurement of the line is fixedly installed on one side of the side frame, both ends of the frame are equipped with clamping mechanisms for environmentally isolating and measuring the temperature of the line, one side of the monitoring mechanism is provided with a processing mechanism for processing the surface of the line, and the processing mechanism is fixedly installed on one side of the side frame; the monitoring mechanism comprises a mounting frame fixedly installed on one side of the side frame, a fixed bracket is slidably connected to the mounting frame, an infrared detection device is fixedly installed on the bottom end of the fixed bracket, and moving wheels that are pressed and matched with the line are rotatably connected on both sides of the fixed bracket.

[0006] By adopting the above technical scheme, in the process of measuring the temperature of the power grid node, since the installation location of some power grids is not convenient for the staff to measure the temperature of the power grid node, this leads to inconvenience in the process of measuring the temperature of the power grid node. Therefore, the staff uses the device to walk on the cable to measure the temperature of the cable of the power grid node; during the test, the staff first places the device on the cable of the power grid node, and then the driving mechanism starts to drive the device to walk along the cable. During the walking process, the monitoring mechanism set on the device can quickly and roughly feedback the temperature in real time. In places where the temperature deviation is measured, the surface of the cable with the deviation is processed by the processing mechanism, and then the processed cable is clamped by the clamping mechanism. The clamping mechanism eliminates the influence of the environment and accurately measures the temperature of the cable again. When the driving mechanism drives the device to move along the cable, the moving wheel presses on the upper surface of the cable, and the moving wheel is connected to the fixed bracket. As the moving wheel is squeezed by the cable, the moving wheel will drive the fixed bracket to move up along the mounting bracket, and an extrusion spring is provided between the mounting bracket and the fixed bracket. As the fixed bracket moves up, the fixed bracket will compress the extrusion spring. When the cable is not tested, the extrusion spring will drive the fixed bracket to press down, so that the infrared detection device and the moving wheel will drop as a whole, so that the moving wheel and the cable will fit tightly when the device is used next time, further increasing the stability of the device during use. As the device moves, the infrared detection device will continuously provide rough temperature feedback to the cable, which is convenient for the device to measure the temperature of the cable.

[0007] A further improvement of the technical solution of the present invention is that the driving mechanism includes a synchronous belt driving structure fixedly installed on both sides of the side frame, one end of the synchronous belt driving structure is fixedly installed with a driving wheel, the bottom end of the side frame is rotatably connected to a swing arm through a torsion spring, one end of the swing arm is rotatably connected to a cross bar, one side of the cross bar is symmetrically rotatably connected to a matching wheel that cooperates with the driving wheel transmission, one side of the two matching wheels is rotatably connected to a matching seat, a side of the driving wheel away from the side frame is rotatably connected to a fixed block, a side of the side frame away from the driving wheel is symmetrically rotatably connected to a swing arm, one end of the two swing arms away from the side frame is rotatably connected to a connecting frame, one side of one of the swing arms is rotatably connected to one end of a spring shock absorber, and the other end of the spring shock absorber is rotatably connected to one end of the connecting frame.

[0008] By adopting the above technical solution, when the driving device needs to be moved along the cable, the device is first placed on the cable, and the cable is clamped by the driving wheel and the matching wheel, and then the driving wheel and the matching wheel effectively clamp the cable through the card connection between the matching seat and the fixed block. After that, the driving wheel is driven by the synchronous belt drive structure to realize the overall movement of the device, so that the device can move smoothly, further increasing the stability of the device during movement. Both ends of the frame are rotatably connected to the swing arm through the fixed block, and the swing arm and the connecting frame are rotatably connected, so that a parallelogram structure is formed between the fixed block, the swing arm and the connecting frame, and the inner diagonal of the parallelogram is installed with a spring shock absorber, which can realize elastic structural changes, so that the device will not shake when it is bumpy during movement.

[0009] A further improvement of the technical solution of the present invention is that the driving mechanism also includes a swing bracket rotatably connected to the lower surface of the frame, one end of the two swing brackets are rotatably connected to the two ends of the connecting block respectively, the upper and lower surfaces of the two connecting blocks are slidably connected with guide rods, and the two ends of the guide rods are sleeved with auxiliary springs, the upper and lower sides of the connecting block are provided with protrusions slidably connected with the guide rods, the middle part of the four guide rods is fixedly installed with two hydraulic rods through a fixed seat, the output ends of the two hydraulic rods are respectively fixedly connected to one side of the two connecting blocks, sliding seats are fixedly installed on the upper surfaces of the two frames, a sliding rod is rotatably connected between the two sliding seats, and matching springs are sleeved at both ends of the sliding rod.

[0010] By adopting the above technical solution, when the distance between parallel cables increases, the two frames will be pulled to both sides by external force, so that the swing bracket under the frame will rotate, and the rotation coordination between the swing bracket and the connecting block allows the length between the swing bracket and the connecting block to change randomly. In order to make the swing bracket and the connecting block controllable when they change, the swing bracket and the connecting block are connected to the hydraulic rod, so that buffering can be performed during deformation, so that the deformation amount will not surge, and the stability of the device during operation can be maintained as much as possible. A sliding bar is provided at the top of the frame to increase its operating stability.

[0011] The further improvement of the technical scheme of the present invention is that the clamping mechanism includes a fixed bin symmetrically fixedly installed at both ends of the frame, the fixed bin is symmetrically slidably connected with a rack, the inner side of the fixed bin is symmetrically rotatably connected with a gear, and the gear and the rack are meshed together, and a mounting block is fixedly installed on the lower surface of the two racks, and a vertical plate is symmetrically fixedly installed on the inner sides of the two fixed bins, a working motor is fixedly installed on one side of one of the vertical plates, a screw rod is rotatably connected between the two vertical plates, the output end of the working motor passes through the side wall of the vertical plate and is fixedly connected to one end of the screw rod, a sliding seat is threadedly connected on the screw rod, and two ends of the sliding seat are respectively fixedly connected to one side of the mounting block, a rotating arm is fixedly installed on one side of the gear, the top of the rotating arm is rotatably connected with a mounting support arm, and a shielding cover is fixedly installed on the end of the mounting support arm away from the rotating arm, an electric push rod is symmetrically fixedly installed on the top of the shielding cover, the output ends of the two electric push rods are fixedly installed with a mounting seat through the side wall of the shielding cover, and a temperature testing device for measuring the temperature of the circuit is fixedly connected between the two mounting seats.

[0012] By adopting the above technical scheme, when the monitoring mechanism detects temperature deviation on the cable, the working motor starts to work, and the working motor drives the lead screw to rotate. As the lead screw rotates, the slide is driven to move. As the slide moves, the slide cooperates with the mounting block to drive the rack to move. As the rack moves, the rack drives the gear to rotate, and the gear drives the rotating arm to make the rotating arm move in a circle around the gear. The top end of the rotating arm is rotatably connected to the mounting arm, and a parallelogram structure is formed between the gear, the rotating arm and the mounting arm. As the rotating arm swings, the mounting arm will swing accordingly, and then the shielding cover will swing, so that the cable is wrapped. The shielding cover can eliminate the interference of the external environment during the secondary temperature measurement, further increasing the accuracy of the temperature measurement of the device. Subsequently, the electric push rod works again to drive the mounting seat to descend. As the mounting seat descends, the temperature testing device and the cable are accurately measured.

[0013] A further improvement of the technical solution of the present invention is that the processing mechanism includes a mounting sleeve fixedly mounted on one side of the side frame, the interior of the mounting sleeve is rotatably connected to a rotating ring gear, the inner ring of the rotating ring gear is fixedly mounted with a cleaning brush, the top of the mounting sleeve is fixedly mounted with a driving motor, the output end of the driving motor is fixedly mounted with a driving ring gear, and the driving ring gear is meshingly connected with the rotating ring gear.

[0014] By adopting the above technical solution, when the device is placed on the cable, the mounting sleeve is connected to the outside of the cable. At this time, the driving motor drives the rotating ring gear to rotate through the driving ring gear. As the rotating ring gear rotates, the rotating ring gear will cooperate with the cleaning brush on its inner ring to clean the surface of the cable, thereby allowing the monitoring mechanism and the clamping mechanism to maintain stability and accuracy during the test.

[0015] A further improvement of the technical solution of the present invention is that an extension structure for increasing the stability of the device is fixedly installed on the lower surface of the frame, the extension structure includes an extension frame fixedly installed in the middle of the guide rod, the bottom of the extension frame is rotatably connected to a variable frame, the top of the extension frame is rotatably connected to a cylinder, the output end of the cylinder is rotatably connected to one end of the variable frame, an extension rope is fixedly installed on the top of the extension frame, and a counterweight block is fixedly installed on the bottom end of the extension rope.

[0016] By adopting the above technical solution, when the device is placed on the cable, the cylinder drives the adjustable frame to deform so that the adjustable frame no longer restricts the counterweight block. When the counterweight block is not restricted by the adjustable frame, the counterweight block will fall, and the center of gravity of the device can be adjusted by traction of the extension rope.

[0017] A further improvement of the technical solution of the present invention is that a protruding rod for limiting the counterweight block is arranged inside the variable frame, and matching grooves for mutually engaging with the protruding rods on both sides of the variable frame are symmetrically provided on both sides of the counterweight block.

[0018] By adopting the above technical solution, the crossbar setting inside the variable frame can restrict the counterweight block, and in order to increase the fit between the counterweight block and the variable frame, matching grooves that are plugged into the variable frame are provided on both sides of the counterweight block, thereby increasing the fit of the device.

[0019] The present invention also provides a temperature measurement method, comprising: S1. Device preparation: When it is necessary to measure the temperature of the power grid node, the device is placed on the cable, and the cable is subjected to multi-point temperature measurement through the device; S2, cable temperature measurement, the device is used to walk on the cable, and multiple points of the cable can be tested during the walking process; S3. Accurate temperature measurement. During the detection process, the cable can be preliminarily measured in temperature through the monitoring mechanism installed on the device. Where temperature fluctuations occur, the outer surface of the cable section with fluctuations is processed by the processing mechanism. Subsequently, the cable is subjected to a second accurate temperature measurement through the clamping mechanism to prevent the external environment from affecting the temperature measurement data.

[0020] Due to the adoption of the above technical solution, the present invention has the following technical advances compared with the prior art: 1. The present invention can provide real-time and rough feedback on the cable temperature status through the setting of the monitoring mechanism, and quickly locate the temperature abnormality area, thereby effectively shortening the long-distance cable temperature measurement process and realizing rapid testing. This process not only accelerates the temperature measurement process, but also improves the efficiency and accuracy of cable maintenance through real-time monitoring, and further ensures the safety and stability of cable operation.

[0021] 2. The present invention realizes the secondary accurate temperature measurement of the cable through the setting of the clamping mechanism, can quickly complete the test of the cable temperature, and accurately feedback the value of the temperature abnormality area in real time. In order to greatly improve the accuracy of the secondary temperature measurement, a shielding cover isolated from the external environment is also provided in the clamping mechanism. The shielding cover effectively eliminates the interference of external environmental factors such as temperature fluctuations, wind speed changes, etc. during the temperature measurement process, thereby ensuring the accuracy and reliability of the temperature test.

[0022] 3. The coordinated work of the monitoring mechanism and the clamping mechanism of the present invention realizes the rapid and accurate positioning and precise measurement of the abnormal temperature area of ​​the long-distance cable. The cooperation between the two not only quickly feeds back the specific location and temperature value of the abnormal area, but also effectively shortens the overall process of cable temperature measurement through the dual temperature measurement mode combining coarse measurement and fine measurement, thereby improving the temperature measurement efficiency and accuracy.

[0023] 4. The present invention enables the device to quickly remove impurities on the cable surface during movement through the setting of the processing mechanism. The processing mechanism not only improves the convenience of the device for cable temperature testing, but also effectively prevents impurities from interfering with the movement of the device and the temperature measurement accuracy, thereby ensuring the efficiency and accuracy of the temperature measurement process.

[0024] 5. In order to increase the stability of the device during operation and avoid unstable operation of the device due to environmental influences at high altitudes, the device is provided with an extended structure for adjusting the center of gravity of the device. When the device is placed on a cable, the center of gravity of the device can be adjusted, thereby making the device more stable on the cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The present invention will be further described below in conjunction with the accompanying drawings.

[0026] Figure 1It is a structural schematic diagram of the overall device of the present invention from a first viewing angle; Figure 2 The second viewing angle is a schematic diagram of the structure of the overall device of the present invention; Figure 3 It is a structural schematic diagram of the driving mechanism of the present invention from a first viewing angle; Figure 4 The second viewing angle of the structural schematic diagram of the driving mechanism of the present invention; Figure 5 It is a schematic diagram of the structure of a part of the driving mechanism of the present invention; Figure 6 It is a structural schematic diagram of the monitoring mechanism of the present invention; Figure 7 This is a structural schematic diagram of the clamping mechanism of the present invention from a first viewing angle; Figure 8 This is a second viewing angle of the structural schematic diagram of the clamping mechanism of the present invention; Fig. 9 The third viewing angle of the structural schematic diagram of the clamping mechanism of the present invention; Fig.10 It is a structural schematic diagram of the processing mechanism of the present invention; Fig.11 It is a structural schematic diagram of the extended structure of the present invention from a first viewing angle; Fig.12 This is a second viewing angle of the structural schematic diagram of the extended structure of the present invention.

[0027] In the figure: 1, frame; 2, driving mechanism; 3, side frame; 4, monitoring mechanism; 5, clamping mechanism; 6, processing mechanism; 7, synchronous belt driving structure; 8, driving wheel; 9, swing arm; 10, cross bar; 11, matching wheel; 12, matching seat; 13, fixed block; 14, swing arm; 15, spring shock absorber; 16, connecting frame; 17, swing bracket; 18, connecting block; 19, guide rod; 20, auxiliary spring; 21, fixed seat; 22, hydraulic rod; 23, sliding seat; 24, sliding rod; 25, matching spring; 26, mounting frame; 27, fixed support Frame; 28, infrared detection device; 29, moving wheel; 30, fixed bin; 31, rack; 32, gear; 33, mounting block; 34, vertical plate; 35, working motor; 36, screw rod; 37, slide seat; 38, rotating arm; 39, mounting arm; 40, shielding cover; 41, electric push rod; 42, mounting seat; 43, temperature testing device; 44, mounting sleeve; 45, rotating gear ring; 46, cleaning brush; 47, driving motor; 48, driving gear ring; 49, expansion frame; 50, variable frame; 51, cylinder; 52, extension rope; 53, counterweight. DETAILED DESCRIPTION

[0028] The present invention is further described in detail below in conjunction with embodiments: Example 1 like Figure 1-Figure 6 As shown, the present invention provides a multi-node power grid wireless temperature measuring device and temperature measuring method, including a frame 1, two frames 1 are equipped with a driving mechanism 2 for driving the device to move, a side frame 3 is fixedly installed on the side of the driving mechanism 2 away from the frame 1, and a monitoring mechanism 4 for preliminary temperature measurement of the line is fixedly installed on one side of the side frame 3. Both ends of the frame 1 are equipped with a clamping mechanism 5 for environmentally isolating and measuring the temperature of the line. One side of the monitoring mechanism 4 is provided with a processing mechanism 6 for processing the surface of the line, and the processing mechanism 6 is fixedly installed on one side of the side frame 3; the monitoring mechanism 4 includes a mounting frame 26 fixedly installed on one side of the side frame 3, a fixed bracket 27 is slidably connected to the mounting frame 26, an infrared detection device 28 is fixedly installed on the bottom end of the fixed bracket 27, and both sides of the fixed bracket 27 are rotatably connected with moving wheels 29 that are squeezed and matched with the line.

[0029] In this embodiment, in the process of measuring the temperature of the power grid node, since the installation location of some power grids is not convenient for the staff to measure the temperature of the power grid node, this leads to inconvenience in the process of measuring the temperature of the power grid node. Therefore, the staff uses the present device to walk on the cable to measure the temperature of the cable of the power grid node; during the test, the staff first places the device on the cable of the power grid node, and then the driving mechanism 2 starts to drive the device to walk along the cable, and during the walking process, the monitoring mechanism 4 arranged on the device can quickly provide real-time rough temperature feedback, and in places where the temperature deviation is measured, the surface of the cable with the deviation is processed by the processing mechanism 6, and then the processed cable is clamped by the clamping mechanism 5, and the influence of the environment is eliminated by the clamping mechanism 5, and the cable is accurately measured again; When the driving mechanism 2 drives the device to move along the cable, at this time, the moving wheel 29 presses on the upper surface of the cable, and the moving wheel 29 is connected to the fixed bracket 27. As the moving wheel 29 is squeezed by the cable, the moving wheel 29 will drive the fixed bracket 27 to move up along the mounting bracket 26, and an extrusion spring is provided between the mounting bracket 26 and the fixed bracket 27. As the fixed bracket 27 moves up, the fixed bracket 27 will compress the extrusion spring. When the cable is not tested, at this time, the extrusion spring will drive the fixed bracket 27 to press down, so that the infrared detection device 28 and the moving wheel 29 are lowered as a whole, so that the moving wheel 29 and the cable are closely fitted when the device is used next time, further increasing the stability of the device during use. As the device moves, the infrared detection device 28 will continuously provide rough temperature feedback to the cable, which is convenient for the device to measure the temperature of the cable.

[0030] Example 2 During the movement of the device, the device may shake, which will cause the front and rear heights of the device to be inconsistent, which is not conducive to temperature measurement of the device. Therefore, the device is provided with a driving mechanism 2 for driving the device to move smoothly, so that the device can still maintain stable movement on the cable even if it encounters a bumpy situation.

[0031] like Figure 3-Figure 5 As shown, on the basis of Example 1, the present invention provides a technical solution: preferably, the driving mechanism 2 includes a synchronous belt driving structure 7 fixedly mounted on both sides of the side frame 3, one end of the synchronous belt driving structure 7 is fixedly mounted with a driving wheel 8, the bottom end of the side frame 3 is rotatably connected to a swing arm 9 through a torsion spring, one end of the swing arm 9 is rotatably connected to a cross bar 10, one side of the cross bar 10 is symmetrically rotatably connected to a matching wheel 11 that cooperates with the driving wheel 8 for transmission, one side of the two matching wheels 11 is rotatably connected to a matching seat 12, one side of the driving wheel 8 away from the side frame 3 is rotatably connected to a fixed block 13, one side of the side frame 3 away from the driving wheel 8 is symmetrically rotatably connected to a swing arm 14, one end of the two swing arms 14 away from the side frame 3 is rotatably connected to a connecting frame 16, one side of one swing arm 14 is rotatably connected to one end of a spring shock absorber 15, and the other end of the spring shock absorber 15 is rotatably connected to one end of the connecting frame 16.

[0032] In this embodiment, when the driving device needs to be moved along the cable, the device is first placed on the cable, and the cable is clamped by the driving wheel 8 and the matching wheel 11, and then the driving wheel 8 and the matching wheel 11 are effectively clamped on the cable by the clamping connection between the matching seat 12 and the fixed block 13. After that, the driving wheel 8 is driven by the synchronous belt driving structure 7 to realize the overall movement of the device, so that the device can move smoothly, further increasing the stability of the device during movement. Both ends of the frame 1 are rotatably connected to the swing arm 14 through the fixed block 13, and the swing arm 14 and the connecting frame 16 are rotatably connected, so that a parallelogram structure is formed between the fixed block 13, the swing arm 14 and the connecting frame 16, and the inner diagonal of the parallelogram is installed with a spring shock absorber 15, which can realize elastic structural changes, so that the device will not shake even if it is bumped during the movement.

[0033] When the cable is moving, due to the high height, the device will be tilted. In this process, the parallel cables will have a larger spacing, which will pull the device. Therefore, the device is provided with a driving mechanism 2 for adjusting the spacing between the racks 1, so that the device can maintain stability when moving on the cable. like Figure 3-Figure 5As shown, in the present embodiment, preferably, the driving mechanism 2 further comprises a swing bracket 17 rotatably connected to the lower surface of the frame 1, one end of the two swing brackets 17 are rotatably connected to the two ends of the connecting block 18 respectively, the upper and lower surfaces of the two connecting blocks 18 are slidably connected with guide rods 19, and both ends of the guide rods 19 are sleeved with auxiliary springs 20, the upper and lower sides of the connecting block 18 are provided with protrusions slidably connected with the guide rods 19, the middle part of the four guide rods 19 is fixedly installed with two hydraulic rods 22 through a fixed seat 21, the output ends of the two hydraulic rods 22 are respectively fixedly connected to one side of the two connecting blocks 18, a sliding seat 23 is fixedly installed on the upper surface of the two frames 1, a sliding rod 24 is rotatably connected between the two sliding seats 23, and both ends of the sliding rod 24 are sleeved with matching springs 25.

[0034] In this embodiment, when the distance between the parallel cables increases, the two frames 1 will be pulled to both sides by external force, so that the swing bracket 17 under the frame 1 rotates, and the rotational coordination between the swing bracket 17 and the connecting block 18 allows the length between the swing bracket 17 and the connecting block 18 to change randomly. In order to make the swing bracket 17 and the connecting block 18 controllable when they change, the swing bracket 17 and the connecting block 18 are connected to the hydraulic rod 22, so that buffering can be performed when deformation occurs, so that the deformation amount will not surge, and the stability of the device during operation can be maintained as much as possible. A sliding bar 24 is provided at the top of the frame 1 to increase its operating stability.

[0035] Example 3 When the monitoring mechanism 4 performs a rough temperature detection, the temperature is not accurate because it is a rapid temperature during walking and is affected by the environment during the test. Therefore, it is necessary to further increase the accuracy of the temperature test. Therefore, the device is provided with a clamping mechanism 5 for increasing the temperature measurement accuracy, so as to test the temperature more accurately.

[0036] like Figure 7-Figure 9As shown, on the basis of Example 1, the present invention provides a technical solution: preferably, the clamping mechanism 5 includes a fixed bin 30 symmetrically fixedly installed at both ends of the frame 1, a rack 31 is symmetrically slidably connected to the fixed bin 30, a gear 32 is symmetrically rotatably connected to the inner side of the fixed bin 30, and the gear 32 is meshingly connected to the rack 31, a mounting block 33 is fixedly installed on the lower surface of the two racks 31, and vertical plates 34 are symmetrically fixedly installed on the inner sides of the two fixed bins 30, a working motor 35 is fixedly installed on one side of one of the vertical plates 34, a screw rod 36 is rotatably connected between the two vertical plates 34, and the output end of the working motor 35 passes through the vertical plate The side wall of 34 is fixedly connected to one end of the screw rod 36, and a slide seat 37 is threadedly connected to the screw rod 36. Both ends of the slide seat 37 are fixedly connected to one side of the mounting block 33 respectively. A rotating arm 38 is fixedly installed on one side of the gear 32. The top of the rotating arm 38 is rotatably connected to a mounting support arm 39. A shielding cover 40 is fixedly installed on the end of the mounting support arm 39 away from the rotating arm 38. An electric push rod 41 is symmetrically fixedly installed on the top of the shielding cover 40. The output ends of the two electric push rods 41 are fixedly installed with a mounting seat 42 through the side wall of the shielding cover 40. A temperature testing device 43 for measuring the temperature of the circuit is fixedly connected between the two mounting seats 42.

[0037] In this embodiment, when the monitoring mechanism 4 detects that a temperature deviation occurs on the cable, the working motor 35 starts to work, and the working motor 35 drives the lead screw 36 to rotate. As the lead screw 36 rotates, the slide 37 is driven to move. As the slide 37 moves, the slide 37 cooperates with the mounting block 33 to drive the rack 31 to move. As the rack 31 moves, the rack 31 drives the gear 32 to rotate, and the gear 32 drives the rotating arm 38 so that the rotating arm 38 performs a circular motion around the gear 32, and the top of the rotating arm 38 is rotatably connected to The mounting arm 39 forms a parallelogram structure among the gear 32, the rotating arm 38 and the mounting arm 39. As the rotating arm 38 swings, the mounting arm 39 will swing accordingly, thereby causing the shielding cover 40 to swing, thereby wrapping the cable. The wrapping of the shielding cover 40 eliminates the interference of the external environment during the secondary temperature measurement, further increasing the accuracy of the temperature measurement of the device. Subsequently, the electric push rod 41 works again to drive the mounting seat 42 to descend. As the mounting seat 42 descends, the temperature testing device 43 and the cable can be accurately measured.

[0038] Example 4 During the movement, some debris will adhere to the surface of the cable, which will cause the monitoring mechanism 4 and the clamping mechanism 5 to affect the accuracy of the temperature test during the test. Therefore, it is necessary to clean the surface attachments of the cable during the test to further increase the accuracy and convenience of the device during temperature testing.

[0039] like Fig.10 As shown, on the basis of Example 1, the present invention provides a technical solution: preferably, the processing mechanism 6 includes a mounting sleeve 44 fixedly mounted on one side of the side frame 3, the interior of the mounting sleeve 44 is rotatably connected with a rotating ring gear 45, the inner ring of the rotating ring gear 45 is fixedly mounted with a cleaning brush 46, the top of the mounting sleeve 44 is fixedly mounted with a driving motor 47, the output end of the driving motor 47 is fixedly mounted with a driving ring gear 48, and the driving ring gear 48 is meshingly connected with the rotating ring gear 45.

[0040] In this embodiment, when the device is placed on the cable, the mounting sleeve 44 is sleeved on the outside of the cable. At this time, the driving motor 47 drives the rotating ring gear 45 to rotate through the driving ring gear 48. As the rotating ring gear 45 rotates, the rotating ring gear 45 will cooperate with the cleaning brush 46 on its inner ring to clean the cable surface, thereby allowing the monitoring mechanism 4 and the clamping mechanism 5 to maintain stability and accuracy during the test.

[0041] When the device is placed on the cable, it is at a high place and has a large volume, so it will be affected by the wind and will shake greatly, which will make the device unstable during the movement. Therefore, the device is provided with an extended structure for adjusting the center of gravity of the device. When the device is placed on the cable, the center of gravity of the device can be adjusted, thereby making the device more stable on the cable.

[0042] like Fig.11 and Fig.12 As shown, in the present embodiment, preferably, an extension structure for increasing the stability of the device is fixedly installed on the lower surface of the frame 1, and the extension structure includes an extension frame 49 fixedly installed in the middle of the guide rod 19, the bottom of the extension frame 49 is rotatably connected to a variable frame 50, the top of the extension frame 49 is rotatably connected to a cylinder 51, the output end of the cylinder 51 is rotatably connected to one end of the variable frame 50, an extension rope 52 is fixedly installed on the top of the extension frame 49, and a counterweight block 53 is fixedly installed on the bottom end of the extension rope 52.

[0043] In this embodiment, when the device is placed on the cable, the cylinder 51 drives the movable frame 50 to deform, so that the movable frame 50 no longer restricts the counterweight 53. When the counterweight 53 is not restricted by the movable frame 50, the counterweight 53 will fall, and the center of gravity of the device can be adjusted by traction of the extension rope 52.

[0044] like Fig.12 As shown, in this embodiment, preferably, a protruding rod for limiting the counterweight block 53 is provided inside the variable frame 50, and matching grooves for mutually engaging with the protruding rods on both sides of the variable frame 50 are symmetrically provided on both sides of the counterweight block 53.

[0045] In this embodiment, the protruding rod inside the variable frame 50 can restrict the counterweight block 53. In order to increase the fit between the counterweight block 53 and the variable frame 50, matching grooves that are plugged into the variable frame 50 are provided on both sides of the counterweight block 53, thereby increasing the fit of the device.

[0046] The present invention also provides a temperature measurement method, comprising: S1. Device preparation: When it is necessary to measure the temperature of the power grid node, the device is placed on the cable, and the cable is subjected to multi-point temperature measurement through the device; S2, cable temperature measurement, the device is used to walk on the cable, and multiple points of the cable can be tested during the walking process; S3. Accurate temperature measurement. During the detection process, the cable can be preliminarily measured in temperature by the monitoring mechanism 4 arranged on the device. Where temperature fluctuation occurs, the outer surface of the cable section with fluctuation is processed by the processing mechanism 6. Subsequently, the cable is subjected to a second accurate temperature measurement by the clamping mechanism 5 to prevent the external environment from affecting the temperature measurement data.

[0047] The working principle of the multi-node power grid wireless temperature measurement device and temperature measurement method is described in detail below.

[0048] like Figure 1-Figure 12 As shown, during the test, the staff first placed the device on the cable of the power grid node, and then the driving mechanism 2 began to drive the device to move along the cable; When the driving device needs to move along the cable, the device is first placed on the cable, and the cable is clamped by the driving wheel 8 and the matching wheel 11, and then the driving wheel 8 and the matching wheel 11 are effectively clamped on the cable by the clamping connection between the matching seat 12 and the fixed block 13. After that, the driving wheel 8 is driven by the synchronous belt driving structure 7 to realize the overall movement of the device, so that the device can move smoothly, further increasing the stability of the device during movement. Both ends of the frame 1 are rotatably connected to the swing arm 14 through the fixed block 13, and the swing arm 14 and the connecting frame 16 are rotatably connected, so that a parallelogram structure is formed between the fixed block 13, the swing arm 14 and the connecting frame 16, and the inner diagonal of the parallelogram is installed with a spring shock absorber 15, which can realize elastic structural changes. , so that the device will not shake during the movement even if there is a bump; in addition, when the distance between the parallel cables increases, the two racks 1 will be pulled to both sides by external force, so that the swing bracket 17 under the rack 1 rotates, and the rotational cooperation between the swing bracket 17 and the connecting block 18 allows the length between the swing bracket 17 and the connecting block 18 to change randomly. In order to make the swing bracket 17 and the connecting block 18 controllable when changing, the swing bracket 17 and the connecting block 18 are connected to the hydraulic rod 22, so that the deformation can be buffered during the deformation, so that the deformation amount will not surge, and the stability of the device during operation can be maintained as much as possible. The top of the rack 1 is provided with a sliding bar 24 for increasing its operating stability; During the walking process, the monitoring mechanism 4 arranged on the device can quickly provide rough temperature feedback in real time. When the driving mechanism 2 drives the device to walk along the cable, at this time, the moving wheel 29 presses on the upper surface of the cable, and the moving wheel 29 is connected to the fixed bracket 27. As the moving wheel 29 is squeezed by the cable, the moving wheel 29 will drive the fixed bracket 27 to move up along the mounting bracket 26, and an extrusion spring is arranged between the mounting bracket 26 and the fixed bracket 27. As the fixed bracket 27 moves up, the fixed bracket 27 will compress the extrusion spring. When the cable is not tested, at this time, the extrusion spring will drive the fixed bracket 27 to press down, so that the infrared detection device 28 and the moving wheel 29 are lowered as a whole, so that the moving wheel 29 and the cable are closely fitted when the device is used next time, further increasing the stability of the device in use. As the device moves, the infrared detection device 28 will continuously provide rough temperature feedback to the cable, which is convenient for the device to measure the temperature of the cable. Where the temperature deviation is detected, the processing mechanism 6 processes the cable surface where the deviation occurs. When the device is placed on the cable, the mounting sleeve 44 is sleeved on the outside of the cable. At this time, the driving motor 47 drives the rotating gear ring 45 to rotate through the driving gear ring 48. As the rotating gear ring 45 rotates, the rotating gear ring 45 cooperates with the cleaning brush 46 on its inner ring to clean the cable surface, so that the monitoring mechanism 4 and the clamping mechanism 5 maintain stability and accuracy during the test. Subsequently, the processed cable is clamped by the clamping mechanism 5, and the influence of the environment is eliminated by the clamping mechanism 5, and the cable is accurately temperature-measured again. When the monitoring mechanism 4 detects a temperature deviation on the cable, the working motor 35 starts to work, and the working motor 35 drives the screw rod 36 to rotate. As the screw rod 36 rotates, the slide 37 is driven to move. As the slide 37 moves, the slide 37 cooperates with the mounting block 33 to drive the rack 31 to move, and as the rack 31 moves, the rack 31 drives the gear 32 to rotate, and the gear 32 drives the rotating arm 38 so that the rotating arm 38 rotates around the gear 32 performs circular motion, and the top of the rotating arm 38 is rotatably connected to the mounting arm 39, and a parallelogram structure is formed among the gear 32, the rotating arm 38 and the mounting arm 39. As the rotating arm 38 swings, the mounting arm 39 will swing accordingly, thereby causing the shielding cover 40 to swing, thereby wrapping the cable. The wrapping of the shielding cover 40 eliminates the interference of the external environment during the secondary temperature measurement, further increasing the accuracy of the temperature measurement of the device. Subsequently, the electric push rod 41 works again to drive the mounting seat 42 to descend. As the mounting seat 42 descends, the temperature testing device 43 and the cable are accurately measured.

[0049] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A multi-node power grid wireless temperature measurement device, characterized in that: include: A frame (1), wherein a driving mechanism (2) for driving a device to move is installed on the two frames (1), a side frame (3) is fixedly installed on the side of the driving mechanism (2) away from the frame (1), a monitoring mechanism (4) for initially measuring the temperature of the line is fixedly installed on one side of the side frame (3), a clamping mechanism (5) for isolating the line from the environment and measuring the temperature is installed on both ends of the frame (1), a processing mechanism (6) for processing the surface of the line is provided on one side of the monitoring mechanism (4), and the processing mechanism (6) is fixedly installed on one side of the side frame (3); The monitoring mechanism (4) comprises a mounting frame (26) fixedly mounted on one side of the side frame (3), a fixed bracket (27) slidably connected to the mounting frame (26), an infrared detection device (28) fixedly mounted on the bottom end of the fixed bracket (27), and moving wheels (29) rotatably connected on both sides of the fixed bracket (27) that are pressed and matched with the line.

2. A multi-node power grid wireless temperature measurement device according to claim 1, characterized in that: The driving mechanism (2) comprises a synchronous belt driving structure (7) fixedly mounted on both sides of the side frame (3); a driving wheel (8) is fixedly mounted on one end of the synchronous belt driving structure (7); a swing arm (9) is rotatably connected to the bottom end of the side frame (3) via a torsion spring; one end of the swing arm (9) is rotatably connected to a cross bar (10); one side of the cross bar (10) is symmetrically rotatably connected to a mating wheel (11) that is transmission-coordinated with the driving wheel (8); one side of the two mating wheels (11) is rotatably connected to the side frame (3); A matching seat (12) is connected, the side of the driving wheel (8) away from the side frame (3) is rotatably connected to a fixed block (13), the side of the side frame (3) away from the driving wheel (8) is symmetrically rotatably connected to a swing arm (14), one end of the two swing arms (14) away from the side frame (3) is rotatably connected to a connecting frame (16), one side of one of the swing arms (14) is rotatably connected to one end of a spring shock absorber (15), and the other end of the spring shock absorber (15) is rotatably connected to one end of the connecting frame (16).

3. A multi-node power grid wireless temperature measurement device according to claim 2, characterized in that: The driving mechanism (2) further comprises a swing bracket (17) rotatably connected to the lower surface of the frame (1), one end of the two swing brackets (17) being rotatably connected to the two ends of the connecting block (18), the upper and lower surfaces of the two connecting blocks (18) are slidably connected to guide rods (19), and the two ends of the guide rods (19) are sleeved with auxiliary springs (20), the upper and lower sides of the connecting block (18) are provided with protrusions slidably connected to the guide rods (19), the middle parts of the four guide rods (19) are fixedly mounted with two hydraulic rods (22) through fixed seats (21), the output ends of the two hydraulic rods (22) are fixedly connected to one side of the two connecting blocks (18), the upper surfaces of the two frames (1) are fixedly mounted with sliding seats (23), a sliding rod (24) is rotatably connected between the two sliding seats (23), and the two ends of the sliding rod (24) are sleeved with matching springs (25).

4. A multi-node power grid wireless temperature measurement device according to claim 3, characterized in that: The clamping mechanism (5) comprises fixed bins (30) symmetrically fixedly mounted at both ends of the frame (1); racks (31) are symmetrically slidably connected to the fixed bins (30); a gear (32) is symmetrically rotatably connected to the inner side of the fixed bin (30); the gear (32) and the rack (31) are meshingly connected; mounting blocks (33) are fixedly mounted on the lower surfaces of the two racks (31); vertical plates (34) are symmetrically fixedly mounted on the inner sides of the two fixed bins (30); a working motor (35) is fixedly mounted on one side of one of the vertical plates (34); a lead screw (36) is rotatably connected between the two vertical plates (34); an output end of the working motor (35) passes through a side wall of the vertical plate (34) and one end of the lead screw (36); The screw rod (36) is fixedly connected with a slide seat (37) on a threaded connection, and both ends of the slide seat (37) are respectively fixedly connected to one side of the mounting block (33). A rotating arm (38) is fixedly installed on one side of the gear (32), and a mounting support arm (39) is rotatably connected to the top of the rotating arm (38). A shielding cover (40) is fixedly installed on one end of the mounting support arm (39) away from the rotating arm (38). An electric push rod (41) is symmetrically fixedly installed on the top of the shielding cover (40). The output ends of the two electric push rods (41) are fixedly installed with mounting seats (42) through the side walls of the shielding cover (40), and a temperature testing device (43) for measuring the temperature of the circuit is fixedly connected between the two mounting seats (42).

5. A multi-node power grid wireless temperature measurement device according to claim 4, characterized in that: The processing mechanism (6) comprises a mounting sleeve (44) fixedly mounted on one side of the side frame (3), the interior of the mounting sleeve (44) being rotatably connected to a rotating ring gear (45), the inner ring of the rotating ring gear (45) being fixedly mounted with a cleaning brush (46), the top end of the mounting sleeve (44) being fixedly mounted with a driving motor (47), the output end of the driving motor (47) being fixedly mounted with a driving ring gear (48), and the driving ring gear (48) being meshingly connected with the rotating ring gear (45).

6. A multi-node power grid wireless temperature measurement device according to claim 5, characterized in that: An extension structure for increasing the stability of the device is fixedly mounted on the lower surface of the frame (1), the extension structure comprising an extension frame (49) fixedly mounted on the middle of the guide rod (19), the bottom of the extension frame (49) being rotatably connected to a variable frame (50), the top of the extension frame (49) being rotatably connected to a cylinder (51), the output end of the cylinder (51) being rotatably connected to one end of the variable frame (50), an extension rope (52) being fixedly mounted on the top of the extension frame (49), and a counterweight (53) being fixedly mounted on the bottom end of the extension rope (52).

7. A multi-node power grid wireless temperature measurement device according to claim 6, characterized in that: The movable frame (50) is provided with a protruding rod for limiting the counterweight block (53) inside, and the counterweight block (53) is symmetrically provided with matching grooves on both sides thereof for mutually engaging with the protruding rods on both sides of the movable frame (50).

8. A temperature measurement method, applicable to a multi-node power grid wireless temperature measurement device as described in any one of claims 1 to 7, characterized in that: include: S1. Device preparation: When it is necessary to measure the temperature of the power grid node, the device is placed on the cable, and the cable is subjected to multi-point temperature measurement through the device; S2, cable temperature measurement, the device is used to walk on the cable, and multiple points of the cable can be tested during the walking process; S3. Accurate temperature measurement. During the detection process, the cable can be initially measured in temperature by means of a monitoring mechanism (4) provided on the device. Where temperature fluctuations occur, the outer surface of the cable section where the fluctuations occur is processed by means of a processing mechanism (6). Subsequently, the cable is subjected to a second accurate temperature measurement by means of a clamping mechanism (5) to prevent the external environment from affecting the temperature measurement data.

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