Heat dissipation structure and method of on-line detection device for grounding current of transformer iron core

Abstract

The invention discloses a heat dissipation structure and method of a transformer iron core grounding current on-line detection device, and relates to the field of grounding current on-line detection devices. The transformer iron core grounding current on-line detection device heat dissipation structure comprises a moving unit, a limiting unit and a heat dissipation unit. According to the heat dissipation structure and method of the transformer iron core grounding current online detection device, the main controller body is far away from or close to the transformer through transmission of the moving unit, heat dissipation of the main controller body is prevented from being affected by the transformer body, heat dissipation is conducted in the first time, damage to the main controller body is avoided, and meanwhile transmission assemblies on the two sides of the main controller body move along with the main controller body; at the moment, the gear moves along the gear strip, the threaded sleeve is controlled to slide in the fixing base, the pushing base is pushed to drive the protection shell to move outwards, the main controller body is opened for heat dissipation, and the heat dissipation efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of ground current online detection devices, and in particular to a heat dissipation structure of a transformer core ground current online detection device and a method thereof. Background Art

[0002] The ground current online detection device is mainly used to monitor the ground current of power equipment in real time. By monitoring the changes in the ground current, potential faults or abnormal conditions of the equipment can be discovered in time.

[0003] When detecting the grounding current of the transformer core, the front-end sensor is placed on the core to monitor the change of the grounding current, and the monitored data is transmitted to the main controller. After the signal is processed by the signal acquisition and processing circuit, it is directly displayed. However, when the main controller is used for a long time, too much heat will be generated inside it. When the heat is too high, it will affect its normal operation. Usually, after an alarm occurs, manual maintenance is carried out to speed up the heat dissipation by disassembling the shell, but it cannot dissipate the heat in time. At the same time, when the shell is disassembled for heat dissipation, it is set next to the transformer and will be affected by the heat dissipated by the transformer, and thus the temperature of the main controller cannot be quickly reduced, affecting the accuracy of the monitored data. Therefore, we propose a heat dissipation structure and method for an online detection device for the grounding current of the transformer core. Summary of the Invention

[0004] In response to the deficiencies in the prior art, the present invention provides a heat dissipation structure and method for an online detection device for grounding current of a transformer core, which solves the problem that when the heat of the main controller body is too high, it will affect its normal operation. Usually, after an alarm occurs, manual maintenance is carried out to accelerate heat dissipation by disassembling the shell, but it cannot dissipate heat in time. At the same time, when the shell is disassembled for heat dissipation, it is located next to the transformer and will be affected by the heat dissipated by the transformer, thereby failing to quickly reduce the temperature of the main controller and affecting the accuracy of the monitoring data.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: A heat dissipation structure of an online detection device for transformer core grounding current, comprising:

[0006] A mobile unit is installed next to the transformer, the mobile unit is equipped with an online detection device, and the mobile unit is used to drive the online detection device to move;

[0007] A limiting unit is provided on the moving unit and is used to adjust the moving unit to limit the online detection device;

[0008] The heat dissipation unit is located between the moving units. The heat dissipation unit is located on both sides of the online detection device and cooperates with the online detection device for transmission.

[0009] Preferably, the online detection device includes:

[0010] The main controller is installed in the mobile unit. The main controller is connected to a front-end sensor, which is directly mounted on the ground wire to be measured and measures the ground current through the principle of electromagnetic induction.

[0011] The protective shell is sleeved on the outer wall of the main controller body to protect the main controller body.

[0012] Preferably, the limiting unit includes:

[0013] A fixing frame, on the back of which a mounting plate is fixedly mounted, the mounting plate is mounted on the transformer frame, and the online detection device is mounted next to the transformer through the mounting plate in conjunction with the moving unit, the limiting unit and the heat dissipation unit;

[0014] The limiting component is arranged on the fixing frame and is used to adjust the moving unit to limit the main controller body.

[0015] Preferably, the limiting component includes:

[0016] The rotating seat is located on the front of the fixed frame;

[0017] A rotating rod, one end of which is rotatably connected to the rotating base, and the other end of which is connected to the moving unit to cooperate with the moving unit to drive;

[0018] The threaded rod is slidably connected to the inner wall of the fixing frame, the rotating seat is slidably connected to the inner wall of the threaded rod, and the rotating seat is connected to the fixing frame through the threaded rod.

[0019] Preferably, the back side of the threaded rod is fixedly connected to a connecting plate, the outer wall of the connecting plate is connected to a driving mechanism, the movement of the connecting plate drives the threaded rod and the rotating seat to move, a second spring is sleeved on the outer peripheral wall of the threaded rod, the two ends of the second spring are respectively fixedly connected to the fixing frame and the rotating seat, an adjusting nut seat is rotatably connected to the outer peripheral wall of the rotating seat, the adjusting nut seat is threadedly connected to the outer peripheral wall of the threaded rod, and the rotating seat is driven to slide by rotating the adjusting nut seat on the threaded rod.

[0020] Preferably, the mobile unit includes:

[0021] A connecting frame is slidably connected to the fixing frame, and the connecting frame is rotatably connected to the corresponding rotating rod;

[0022] The mobile component is slidably connected to the connecting frame;

[0023] Installation component, set in mobile component.

[0024] Preferably, the moving component includes:

[0025] The movable seat fits in with the connecting frame;

[0026] The sliding block is connected to the moving seat and drives the moving seat to slide on the connecting frame;

[0027] The installation components include:

[0028] A fixing rod is provided on the movable seat and is used for mounting the main controller body;

[0029] The connecting seat is provided on the main controller body and cooperates with the fixing rod to install the main controller body;

[0030] The contact seat is fitted with the connecting seat to limit the stability of the connecting seat;

[0031] The first spring has two ends fixedly connected to the contact seat and the movable seat respectively, and is used for pushing the contact seat to press the connecting seat.

[0032] Preferably, the heat dissipation unit includes:

[0033] Transmission components are installed on both sides of the main controller body;

[0034] The gear bar is fixedly connected to the connecting frame and is used to cooperate with the transmission component for transmission.

[0035] Preferably, the transmission assembly includes:

[0036] A fixing seat is provided on the side of the main controller body;

[0037] A push seat is arranged on the side of the protective shell;

[0038] A threaded sleeve, the end of which is connected to the push seat, wherein the threaded sleeve is slidably connected to the inner wall of the fixed seat and cooperates to drive the push seat to move relative to the threaded sleeve;

[0039] A screw rod is rotatably connected to the inner wall of the fixing seat, the fixing seat is threadedly connected to the threaded sleeve, and the threaded sleeve is driven by the screw rod to slide in the fixing seat;

[0040] A gear is fixedly connected to one end of the screw rod outside the fixed seat, and the gear is meshed with the gear bar, and the screw rod is rotated by the rotation of the gear;

[0041] The limiting block is fixedly connected to the threaded sleeve, and the threaded sleeve is slidably connected to the inner wall of the fixing seat.

[0042] A method for a heat dissipation structure of an online detection device for transformer core grounding current is disclosed. The method includes first installing a mobile unit on a transformer frame, then adjusting the mobile unit to install the online detection device through a limiting unit. The online detection device is installed in the mobile unit and then adjusted to move to a suitable position on the transformer. This allows for continuous and accurate monitoring of the transformer's operating status, thereby improving the reliability of the entire power system.

[0043] At this time, the limiting unit is adjusted to cooperate with the moving unit to limit the online detection device, thereby improving its stability. When the temperature sensor in the online detection device detects that the temperature in the online detection device is too high, the moving unit is used to drive the online detection device away from the transformer, so that the online detection device is away from the heat source, thereby improving its own heat dissipation rate.

[0044] When the online detection device slides on the moving unit, the heat dissipation units on both sides of the online detection device are driven to move accordingly, and the online detection device is moved away from the transformer to prevent the heat dissipation of the transformer from affecting the heat dissipation efficiency of the online detection device. Under the action of the heat dissipation unit, the online detection device is opened to facilitate rapid heat dissipation;

[0045] When the temperature sensor in the online detection device detects that the temperature continues to rise and cannot be reduced to the appropriate temperature, the alarm and current limiting control unit in the online detection device will sound an alarm and notify people to perform maintenance through the communication module;

[0046] When the temperature sensor in the online detection device detects that the temperature drops to an appropriate range, the mobile unit drives the online detection device back to the starting position, thereby achieving continuous and accurate monitoring of the transformer operating status.

[0047] The present invention discloses a heat dissipation structure and method for an online detection device for transformer core grounding current, which has the following beneficial effects:

[0048] 1. The heat dissipation structure and method of the transformer core grounding current online detection device are driven by a mobile unit, which facilitates the loosening of the mobile unit and the main controller body. A driving mechanism is connected to the outer wall of the mobile component, and the driving mechanism drives the mobile component to move. At this time, the mobile component slides on the connecting frame, moving the main controller body installed on the mobile component away from or close to the transformer to prevent its heat dissipation from being affected by the transformer body.

[0049] 2. The heat dissipation structure and method of the transformer core grounding current online detection device are as follows: when the temperature sensor inside the main controller detects that the temperature inside the main controller is too high, the main controller is driven away from the transformer through the driving mechanism, so that the main controller is promptly away from the heat source, avoiding the heat dissipation of the transformer affecting the heat dissipation efficiency of the main controller, improving its own heat dissipation rate, and dissipating heat immediately to avoid damage to the main controller.

[0050] 3. The heat dissipation structure and method of the transformer core grounding current online detection device: when the moving component drives the main controller body to slide on the connecting frame, the transmission components on both sides of the main controller body move accordingly. At this time, the gear moves along the gear bar. Under the action of the gear bar, it drives the gear to rotate. The rotation of the gear drives the screw rod to rotate, controlling the threaded sleeve to slide in the fixed seat, pushing the pushing seat to drive the protective shell to move outward, opening the main controller body for heat dissipation, and improving the heat dissipation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0051] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0052] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0053] Figure 2 This is an installation diagram of the mobile unit, the limiting unit and the heat dissipation unit of the present invention;

[0054] Figure 3 This is a composition diagram of the online detection device of the present invention;

[0055] Figure 4 This is a schematic diagram of the connection between the mobile unit, the limiting unit and the heat dissipation unit of the present invention;

[0056] Figure 5 This is a schematic diagram of the connection between the mobile unit and the heat dissipation unit of the present invention;

[0057] Figure 6 This is a schematic diagram of the structure of the mobile component of the present invention;

[0058] Figure 7 This is a schematic diagram of the installation assembly structure of the present invention;

[0059] Figure 8 Schematic diagram of the unit structure defined in the present invention;

[0060] Figure 9 This is a schematic diagram of the component structure defined in the present invention;

[0061] Figure 10 It is a schematic diagram of the transmission assembly structure of the present invention.

[0062] In the figure: 1. moving unit; 11. connecting frame; 12. moving assembly; 121. moving seat; 122. sliding block; 13. mounting assembly; 131. fixing rod; 132. connecting seat; 133. contact seat; 134. first spring; 2. limiting unit; 21. fixing frame; 22. limiting assembly; 221. rotating seat; 222. rotating rod; 223. threaded rod; 224. connecting plate; 225. second spring; 226. adjusting nut seat; 3. heat dissipation unit; 31. transmission assembly; 311. fixing seat; 312. pushing seat; 313. threaded sleeve; 314. screw rod; 315. gear; 316. limit block; 32. gear bar; 4. mounting plate; 5. online detection device; 51. main controller body; 52. protective shell. DETAILED DESCRIPTION

[0063] To make the objectives, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0064] The embodiment of the present application provides a heat dissipation structure and method for an online detection device for grounding current of a transformer core, thereby solving the problem that when the heat of the main controller body 51 is too high, it will affect its normal operation. Usually, after an alarm is generated, manual maintenance is carried out to accelerate the heat dissipation by disassembling the shell, but the heat dissipation cannot be carried out in time. At the same time, when the shell is disassembled for heat dissipation, it will be affected by the heat dissipated by the transformer because it is arranged next to the transformer, and thus the temperature of the main controller cannot be quickly reduced, affecting the accuracy of the monitoring data. The transmission is achieved by the mobile unit 1, which facilitates the release of the mobile unit 1 from the main controller body 51. A driving mechanism is connected to the outer wall of the mobile component 12, and the mobile component 12 is driven by the driving mechanism to move. At this time, the mobile component 12 slides on the connecting frame 11 to move the main controller body 51 installed on the mobile component 12 away from or close to the transformer, thereby preventing its heat dissipation from being affected by the transformer body.

[0065] When the temperature sensor inside the main controller body 51 detects that the temperature inside the main controller body 51 is too high, the main controller body 51 is driven away from the transformer through the driving mechanism, so that the main controller body 51 is promptly away from the heat source to prevent the heat dissipation of the transformer from affecting the heat dissipation efficiency of the main controller body 51, thereby improving its own heat dissipation rate and performing heat dissipation in the first place to avoid damage to the main controller body 51;

[0066] When the moving assembly 12 drives the main controller body 51 to slide on the connecting frame 11, the transmission assemblies 31 on both sides of the main controller body 51 move accordingly. At this time, the gear 315 moves along the gear bar 32. Under the action of the gear bar 32, the gear 315 is driven to rotate. The rotation of the gear 315 drives the screw rod 314 to rotate, controlling the threaded sleeve 313 to slide in the fixed seat 311, pushing the pushing seat 312 to drive the protective shell 52 to move outward, opening the main controller body 51 for heat dissipation, thereby improving heat dissipation efficiency.

[0067] In order to better understand the above technical solution, the above technical solution will be described in detail below with reference to the accompanying drawings and specific implementation methods.

[0068] The embodiment of the present invention discloses a heat dissipation structure and method of an online detection device for transformer core grounding current.

[0069] According to the attached Figure 1-10 Shown, including:

[0070] A mobile unit 1 is installed next to the transformer. An online detection device 5 is installed on the mobile unit 1. The mobile unit 1 is used to drive the online detection device 5 to move;

[0071] The limiting unit 2 is provided on the moving unit 1 and adjusts the moving unit 1 to limit the online detection device 5;

[0072] The heat dissipation unit 3 is located between the moving units 1 . The heat dissipation unit 3 is located on both sides of the online detection device 5 and cooperates with the online detection device 5 for transmission.

[0073] The online detection device 5 includes:

[0074] The main controller body 51 is installed in the mobile unit 1. The main controller body 51 is connected to the front-end sensor, which is directly mounted on the ground wire to be measured. It measures the ground current through the principle of electromagnetic induction. It should be emphasized that the main controller body 51 is equipped with a signal acquisition and processing circuit, a communication module, and an alarm and current limiting control unit to monitor the transformer and issue an alarm in time.

[0075] When the temperature sensor in the main controller body 51 detects that the temperature continues to rise and cannot be reduced to an appropriate temperature, the alarm and current limiting control unit in the online detection device 5 will sound an alarm and notify people to perform maintenance through the communication module.

[0076] The protective shell 52 is sleeved on the outer wall of the main controller body 51 to protect the main controller body 51 .

[0077] Definition unit 2 includes:

[0078] The fixing frame 21 has a mounting plate 4 fixedly mounted on its back. The mounting plate 4 is mounted on the transformer frame. The online detection device 5 is installed next to the transformer through the mounting plate 4 in conjunction with the moving unit 1, the limiting unit 2 and the heat dissipation unit 3.

[0079] In particular, by installing the online detection device 5 next to the transformer, the real-time data transmission is ensured, the delay or data loss caused by the long distance is reduced, and the interference of the external environment on the data transmission is reduced, thereby improving the accuracy of the data;

[0080] At the same time, the online detection device 5 is arranged near the transformer to achieve continuous and accurate monitoring of the transformer's operating status, thereby improving the reliability of the entire power system.

[0081] The limiting component 22 is provided on the fixing frame 21 and is used to adjust the mobile unit 1 to limit the main controller body 51 .

[0082] The definition component 22 includes:

[0083] The rotating seat 221 is located on the front of the fixed frame 21;

[0084] The rotating rod 222 has one end rotatably connected to the rotating base 221, and the other end of the rotating rod 222 is connected to the mobile unit 1, and cooperates with the mobile unit 1 to push the mobile unit 1 to transmit, so that the mobile unit 1 clamps, locks, or releases the main controller body 51, facilitating the main controller body 51 to slide in the mobile unit 1;

[0085] The threaded rod 223 is slidably connected to the inner wall of the fixing frame 21 , and the rotating seat 221 is slidably connected to the inner wall of the threaded rod 223 . The rotating seat 221 is connected to the fixing frame 21 through the threaded rod 223 .

[0086] The back of the threaded rod 223 is fixedly connected to a connecting plate 224, and the outer wall of the connecting plate 224 is connected to a driving mechanism. The movement of the connecting plate 224 drives the threaded rod 223 and the rotating seat 221 to move. It should be emphasized that when the temperature in the main controller body 51 exceeds the critical value, the driving mechanism is activated to pull the connecting plate 224 to move, and the rotating rod 222 rotates to push the mobile unit 1 to transmit, without limiting the main controller body 51, which facilitates the position adjustment of the main controller body 51;

[0087] A second spring 225 is sleeved on the outer peripheral wall of the threaded rod 223. The two ends of the second spring 225 are fixedly connected to the fixed frame 21 and the rotating seat 221 respectively. An adjusting nut seat 226 is rotatably connected to the outer peripheral wall of the rotating seat 221. The adjusting nut seat 226 is threadedly connected to the outer peripheral wall of the threaded rod 223. The rotating seat 221 is driven to slide by the rotating nut seat 226 rotating on the threaded rod 223.

[0088] Furthermore, when the rotating seat 221 is pushed to move, the rotating seat 221 is stably connected to the threaded rod 223 under the action of the adjusting nut seat 226. At this time, the rotating seat 221 drives the threaded rod 223 to slide along the inner wall of the fixed frame 21, and the rotating rod 222 is pushed to rotate through the rotating seat 221, driving the mobile unit 1 to transmit, making it convenient to loosen the mobile unit 1 and the main controller body 51. At this time, the main controller body 51 can be slid on the mobile unit 1 to move the main controller body 51 away from the transformer, thereby improving the heat dissipation efficiency of the main controller body 51 and preventing its heat dissipation from being affected by the transformer body.

[0089] Furthermore, by rotating the adjusting nut seat 226, the adjusting nut seat 226 rotates along the outer wall of the threaded rod 223. At this time, the rotating seat 221 slides along the outer wall of the threaded rod 223, pushing the rotating rod 222 to rotate, and adjusting the rotating rod 222 to push the initial position of the connecting frame 11, which is suitable for the installation of online detection devices 5 of different sizes.

[0090] The mobile unit 1 comprises:

[0091] The connecting frame 11 is slidably connected to the fixing frame 21, and the connecting frame 11 is rotatably connected to the corresponding rotating rod 222;

[0092] The mobile assembly 12 is slidably connected to the connecting frame 11. A driving mechanism is connected to the outer wall of the mobile assembly 12, and the driving mechanism drives the mobile assembly 12 to move. At this time, the mobile assembly 12 slides on the connecting frame 11, moving the main controller body 51 installed on the mobile assembly 12 away from or closer to the transformer to prevent its heat dissipation from being affected by the transformer body;

[0093] Furthermore, when the temperature sensor inside the main controller body 51 detects that the temperature inside the main controller body 51 is too high, the main controller body 51 is driven away from the transformer through the driving mechanism, so that the main controller body 51 is promptly away from the heat source, thereby preventing the heat dissipation of the transformer from affecting the heat dissipation efficiency of the main controller body 51, improving its own heat dissipation rate, and dissipating heat as soon as possible to avoid damage to the main controller body 51;

[0094] Furthermore, when the temperature in the main controller body 51 returns to normal, the main controller body 51 is controlled to move toward the transformer to ensure real-time data transmission and achieve continuous and accurate monitoring of the transformer operating status, thereby improving the reliability of the entire power system;

[0095] The mounting assembly 13 is provided in the moving assembly 12 , and the main controller body 51 is mounted in the moving assembly 12 through the mounting assembly 13 .

[0096] The mobile assembly 12 includes:

[0097] The movable seat 121 is fitted with the connecting frame 11;

[0098] The sliding block 122 is connected to the movable base 121 and drives the movable base 121 to slide on the connecting frame 11;

[0099] The installation component 13 includes:

[0100] The fixing rod 131 is provided on the movable seat 121 and is used for mounting the main controller body 51;

[0101] The connecting seat 132 is provided on the main controller body 51 and cooperates with the fixing rod 131 to install the main controller body 51;

[0102] The contact seat 133 is fitted with the connecting seat 132 to limit the stability of the connecting seat 132;

[0103] The first spring 134 has its two ends fixedly connected to the contact seat 133 and the movable seat 121, respectively, and is used to push the contact seat 133 to squeeze the connecting seat 132. Under the squeezing of the contact seats 133 at the upper and lower ends, the main controller body 51 is squeezed and limited to ensure the stability of the main controller body 51 in the movable assembly 12. By moving the mounting assembly 13 away from the main controller body 51, the movement of the main controller body 51 can be facilitated. When the mounting assembly 13 is separated from the main controller body 51, the main controller body 51 can be disassembled for inspection or replacement.

[0104] The heat dissipation unit 3 includes:

[0105] The transmission assembly 31 is installed on both sides of the main controller body 51;

[0106] The gear bar 32 is fixedly connected to the connecting frame 11 and is used to cooperate with the transmission assembly 31 for transmission.

[0107] The transmission assembly 31 includes:

[0108] The fixing seat 311 is provided on the side of the main controller body 51;

[0109] The push seat 312 is provided on the side of the protective shell 52;

[0110] The threaded sleeve 313 has an end connected to the push seat 312. The threaded sleeve 313 is slidably connected to the inner wall of the fixed seat 311, and cooperates to drive the push seat 312 to move relative to the threaded sleeve 313;

[0111] The screw rod 314 is rotatably connected to the inner wall of the fixing seat 311. The fixing seat 311 is threadedly connected to the threaded sleeve 313. The screw rod 314 drives the threaded sleeve 313 to slide in the fixing seat 311.

[0112] The gear 315 is fixedly connected to one end of the screw rod 314 outside the fixed base 311. The gear 315 is meshed with the gear bar 32. The rotation of the gear 315 drives the screw rod 314 to rotate accordingly.

[0113] Specifically disclosed, when the moving assembly 12 drives the main controller body 51 to slide on the connecting frame 11, the transmission assemblies 31 on both sides of the main controller body 51 move accordingly, and the gear 315 moves along the gear bar 32. Under the action of the gear bar 32, the gear 315 is driven to rotate;

[0114] Furthermore, the gear 315 rotates to drive the screw rod 314 to rotate, controlling the threaded sleeve 313 to slide in the fixing seat 311, pushing the pushing seat 312 to drive the protective shell 52 to move outward, opening the main controller body 51 for heat dissipation, thereby improving heat dissipation efficiency;

[0115] Furthermore, when the main controller body 51 needs to be inspected, the main controller body 51 is pulled to slide on the mobile unit 1, and the main controller body 51 is kept away from the transformer, thereby improving the safety of the inspection. At the same time, when the main controller body 51 slides on the connecting frame 11, the same movement as above is performed to open the protective shell 52, which is convenient for inspection and observation.

[0116] The limiting block 316 is fixedly connected to the threaded sleeve 313 . The threaded sleeve 313 is slidably connected to the inner wall of the fixing seat 311 , thereby limiting the stability of the threaded sleeve 313 in sliding in the fixing seat 311 .

[0117] By installing the mobile unit 1 on the transformer rack, adjusting the mobile unit 1 through the limiting unit 2 to install the online detection device 5, installing the online detection device 5 in the mobile unit 1, and adjusting the online detection device 5 to move to a suitable position of the transformer, continuous and accurate monitoring of the transformer operation status is achieved, thereby improving the reliability of the entire power system;

[0118] At this time, by adjusting the limiting unit 2 and cooperating with the mobile unit 1, the online detection device 5 is limited to improve its stability. When the temperature sensor in the online detection device 5 detects that the temperature in the online detection device 5 is too high, the mobile unit 1 drives the online detection device 5 away from the transformer, so that the online detection device 5 is away from the heat source, thereby improving its own heat dissipation rate;

[0119] When the online detection device 5 slides on the moving unit 1, the heat dissipation units 3 on both sides of the online detection device 5 are driven to move accordingly, and the online detection device 5 is moved away from the transformer to prevent the heat dissipation of the transformer from affecting the heat dissipation efficiency of the online detection device 5. Under the action of the heat dissipation units 3, the online detection device 5 is opened to facilitate rapid heat dissipation;

[0120] When the temperature sensor in the online detection device 5 detects that the temperature continues to rise and cannot be reduced to an appropriate temperature, the alarm and current limiting control unit in the online detection device 5 will sound an alarm and notify people to perform maintenance through the communication module;

[0121] When the temperature detected by the temperature sensor in the online detection device 5 drops to a suitable range, the mobile unit 1 drives the online detection device 5 back to the starting position, thereby achieving continuous and accurate monitoring of the transformer operating status.

[0122] The basic principles, main features, and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and modifications are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A heat dissipation structure of an online detection device for transformer core grounding current, characterized in that: include: A mobile unit (1) is installed next to the transformer, an online detection device (5) is installed on the mobile unit (1), and the mobile unit (1) is used to drive the online detection device (5) to move; A limiting unit (2) is provided on the moving unit (1) and adjusts the moving unit (1) to limit the online detection device (5); The heat dissipation unit (3) is located between the moving units (1). The heat dissipation unit (3) is located on both sides of the online detection device (5) and cooperates with the online detection device (5) for transmission.

2. The heat dissipation structure of the transformer core grounding current online detection device according to claim 1, characterized in that: The online detection device (5) comprises: A main controller body (51) is installed in the mobile unit (1), and a front-end sensor is connected to the main controller body (51), which is directly mounted on the ground wire to be measured and measures the ground current through the principle of electromagnetic induction; The protective shell (52) is sleeved on the outer wall of the main controller body (51) to protect the main controller body (51).

3. The heat dissipation structure of the transformer core grounding current online detection device according to claim 1, characterized in that: The limiting unit (2) includes: A fixed frame (21) has a mounting plate (4) fixedly mounted on its back, the mounting plate (4) being mounted on the transformer frame, and the online detection device (5) being mounted next to the transformer via the mounting plate (4) in conjunction with the moving unit (1), the limiting unit (2) and the heat dissipation unit (3); The limiting component (22) is arranged on the fixing frame (21) and is used to adjust the moving unit (1) to limit the main controller body (51).

4. The heat dissipation structure of the transformer core grounding current online detection device according to claim 3, characterized in that: The limiting component (22) includes: A rotating seat (221) is located on the front side of the fixed frame (21); A rotating rod (222), one end of which is rotatably connected to the rotating seat (221), and the other end of the rotating rod (222) is connected to the moving unit (1) to cooperate with the moving unit (1) to drive; The threaded rod (223) is slidably connected to the inner wall of the fixed frame (21), the rotating seat (221) is slidably connected to the inner wall of the threaded rod (223), and the rotating seat (221) is connected to the fixed frame (21) through the threaded rod (223).

5. The heat dissipation structure of the transformer core grounding current online detection device according to claim 4, characterized in that: The back of the threaded rod (223) is fixedly connected to a connecting plate (224), and the outer wall of the connecting plate (224) is connected to a driving mechanism. The movement of the connecting plate (224) drives the threaded rod (223) and the rotating seat (221) to move. A second spring (225) is sleeved on the outer peripheral wall of the threaded rod (223), and the two ends of the second spring (225) are respectively fixedly connected to the fixed frame (21) and the rotating seat (221). An adjusting nut seat (226) is rotatably connected to the outer peripheral wall of the threaded rod (223). The adjusting nut seat (226) is threadedly connected to the outer peripheral wall of the threaded rod (223), and the rotating seat (221) is driven to slide by the adjusting nut seat (226) rotating on the threaded rod (223).

6. The heat dissipation structure of the transformer core grounding current online detection device according to claim 1, characterized in that: The mobile unit (1) comprises: A connecting frame (11) is slidably connected to the fixing frame (21), and the connecting frame (11) is rotatably connected to a corresponding rotating rod (222); A moving assembly (12) is slidably connected to the connecting frame (11); The mounting assembly (13) is arranged in the moving assembly (12).

7. The heat dissipation structure of the transformer core grounding current online detection device according to claim 6, characterized in that: The mobile assembly (12) comprises: The movable seat (121) is fitted with the connecting frame (11); The sliding block (122) is connected to the movable seat (121) and drives the movable seat (121) to slide on the connecting frame (11); The installation assembly (13) includes: A fixing rod (131) is provided on the movable seat (121) and is used for mounting the main controller body (51); A connecting seat (132) is provided on the main controller body (51) and cooperates with the fixing rod (131) to install the main controller body (51); The contact seat (133) is fitted with the connecting seat (132) to limit the stability of the connecting seat (132); The first spring (134) has two ends fixedly connected to the contact seat (133) and the movable seat (121) respectively, and is used to push the contact seat (133) to press the connecting seat (132).

8. The heat dissipation structure of the transformer core grounding current online detection device according to claim 1, characterized in that: The heat dissipation unit (3) comprises: Transmission components (31) are mounted on both sides of the main controller body (51); The gear bar (32) is fixedly connected to the connecting frame (11) and is used to cooperate with the transmission assembly (31) for transmission.

9. The heat dissipation structure of the transformer core grounding current online detection device according to claim 8, characterized in that: The transmission assembly (31) comprises: A fixing seat (311) is provided on a side of the main controller body (51); A push seat (312) is provided on a side of the protective shell (52); A threaded sleeve (313) having an end connected to the push seat (312), wherein the threaded sleeve (313) is slidably connected to the inner wall of the fixed seat (311) and cooperates to drive the push seat (312) to move relative to the threaded sleeve (313); A screw rod (314) is rotatably connected to the inner wall of the fixing seat (311), wherein the fixing seat (311) is threadedly connected to the threaded sleeve (313), and the threaded sleeve (313) is driven to slide in the fixing seat (311) by the screw rod (314); The gear (315) is fixedly connected to one end of the screw rod (314) outside the fixed seat (311), and the gear (315) is meshed with the gear bar (32). The rotation of the gear (315) drives the screw rod (314) to rotate accordingly; The limiting block (316) is fixedly connected to the threaded sleeve (313), and the threaded sleeve (313) is slidably connected to the inner wall of the fixing seat (311).

10. A method for heat dissipation structure of an online detection device for transformer core grounding current, using the heat dissipation structure of an online detection device for transformer core grounding current according to any one of claims 1 to 9, characterized in that: The following steps are involved: S1: First, the mobile unit (1) is installed on the transformer frame. At this time, the online detection device (5) is installed by adjusting the mobile unit (1) through the limiting unit (2). The online detection device (5) is installed in the mobile unit (1). The online detection device (5) is adjusted and moved to a suitable position of the transformer to achieve continuous and accurate monitoring of the transformer operation status, thereby improving the reliability of the entire power system; S2: At this time, the limiting unit (2) is adjusted to cooperate with the moving unit (1) to limit the online detection device (5) to improve its stability. When the temperature sensor in the online detection device (5) detects that the temperature in the online detection device (5) is too high, the moving unit (1) drives the online detection device (5) away from the transformer, so that the online detection device (5) is away from the heat source, thereby improving its own heat dissipation rate. S3: When the online detection device (5) slides on the moving unit (1), the heat dissipation units (3) on both sides of the online detection device (5) are driven to move accordingly, and the online detection device (5) is moved away from the transformer to prevent the heat dissipation of the transformer from affecting the heat dissipation efficiency of the online detection device (5). Under the action of the heat dissipation unit (3), the online detection device (5) is opened to facilitate rapid heat dissipation; S4: When the temperature sensor in the online detection device (5) detects that the temperature continues to rise and cannot be reduced to a suitable temperature, the alarm and current limiting control unit in the online detection device (5) sounds an alarm and notifies a person to perform maintenance through the communication module; S5: When the temperature sensor in the online detection device (5) detects that the temperature drops to a suitable range, the mobile unit (1) drives the online detection device (5) back to the starting position, thereby achieving continuous and accurate monitoring of the transformer operation status.

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