Intelligent temperature and humidity control device of transformer on-line monitoring system

Abstract

The utility model relates to an intelligent temperature and humidity control device of a transformer on-line monitoring system, and belongs to the technical field of transformer on-line monitoring. Comprising a temperature and humidity processor, a controller, a dehumidification device, a refrigeration device, a heating device, an auxiliary dehumidification fan set, an auxiliary refrigeration fan set, an auxiliary heating fan set, a refrigeration air duct main pipeline, a heating air duct main pipeline, a square pipeline and a temperature and humidity sensing probe. The transformer on-line monitoring system has the following beneficial effects: (1) the temperature and the humidity are accurately adjusted, the temperature and the humidity in the box body are accurately controlled by utilizing the efficient circulating air duct, the performance and the service life of the transformer on-line monitoring system are improved, and the safe and stable operation of the transformer is ensured; (2) the response speed is high, and the adverse effect of temperature and humidity fluctuation on a transformer online monitoring system is avoided by adjusting the temperature and humidity in time; and (3) the intelligent degree is high, the working states of the refrigerating device, the heating device and the dehumidifying device can be automatically controlled according to preset temperature and humidity threshold values, and manual intervention is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to transformer on -line monitoring technical field, especially, relate to a transformer on -line monitoring system intelligence temperature and humidity control device. BACKGROUND

[0002] Transformer on -line monitoring system is the important means of real -time monitoring transformer operation state, can in the early stage of equipment failure in time find the abnormality and alarm, in tracking equipment's latent fault reduces the manual cost, utilizes higher data collection to carry out intelligent fault diagnosis, makes the reliability of analysis result greatly enhanced, plays the vital role to transformer safety and stability operation. And the temperature and humidity of system working environment is the important influence factor of transformer on -line monitoring system data accuracy and reliability, therefore, to the temperature and humidity in transformer on -line monitoring system accurate control has important significance.

[0003] Transformer on -line monitoring system is the important means of real -time monitoring transformer operation state, can in the early stage of equipment failure in time find the abnormality and alarm, in tracking equipment's latent fault reduces the manual cost, utilizes higher data collection to carry out intelligent fault diagnosis, makes the reliability of analysis result greatly enhanced, plays the vital role to transformer safety and stability operation. And the temperature and humidity of system working environment is the important influence factor of transformer on -line monitoring system data accuracy and reliability, therefore, to the temperature and humidity in transformer on -line monitoring system accurate control has important significance.

[0003] Transformer on -line monitoring system is the important means of real -time monitoring transformer operation state, can in the early stage of equipment failure in time find the abnormality and alarm, in tracking equipment's latent fault reduces the manual cost, utilizes higher data collection to carry out intelligent fault diagnosis, makes the reliability of analysis result greatly enhanced, plays the vital role to transformer safety and stability operation. And the temperature and humidity of system working environment is the important influence factor of transformer on -line monitoring system data accuracy and reliability, therefore, to the temperature and humidity in transformer on -line monitoring system accurate control has important significance.

[0004] From the above, the existing transformer on -line monitoring system lacks temperature and humidity accurate control device, and the stability is poor, can not satisfy the requirement of transformer on -line monitoring system to temperature and humidity control. UTILITY MODEL CONTENT

[0005] The utility model solves the technical problem that provides a device that can realize accurate, fast, intelligent control to temperature and humidity in transformer on -line monitoring system.

[0006] To solve the above technical problem, the technical scheme of the utility model is as follows:

[0007] As Figure 1 , Figure 2As shown, the intelligent temperature and humidity control device of the transformer online monitoring system comprises a temperature and humidity processor, a controller, a dehumidifying device, a refrigerating device, a heating device, an auxiliary dehumidifying fan unit, an auxiliary refrigerating fan unit, an auxiliary heating fan unit, a refrigerating air duct main pipeline, a heating air duct main pipeline, a mouth-shaped pipeline, and a temperature and humidity sensing probe. The temperature and humidity processor, the controller, the dehumidifying device, the refrigerating device, the heating device, the auxiliary dehumidifying fan unit, the auxiliary refrigerating fan unit, the auxiliary heating fan unit, and the temperature and humidity sensing probe are all fixedly installed on the back plate at the back of the transformer online monitoring system operation box.

[0008] The controller is fixedly installed at the center of the back plate, the temperature and humidity processor is located at the left side of the controller, the temperature and humidity processor is electrically connected to the controller through wires, the temperature and humidity processor is electrically connected to the six temperature and humidity sensing probes through wires, the temperature and humidity sensing probes are distributed in a cross shape on the back plate, the temperature and humidity sensing probes are used to collect temperature and humidity data in the transformer online monitoring system in real time, and the temperature and humidity data are converted into original signals and transmitted to the temperature and humidity processor. The temperature and humidity processor amplifies, filters, and digitizes the original signals, and then transmits the processed signals to the controller. The controller adopts a microprocessor, processes and calculates the input signals according to the program and algorithm stored in the internal memory in advance, compares the received signals with the preset temperature and humidity threshold, controls the working states of the refrigerating device, the heating device, and the dehumidifying device, so as to adjust the temperature and humidity in the transformer online monitoring system.

[0009] The refrigerating device is located directly above the controller, the refrigerating device is electrically connected to the controller through wires, the controller controls the refrigerating device to deliver cold air into the refrigerating air duct main pipeline, an auxiliary refrigerating fan unit is fixedly installed beside the refrigerating device, the auxiliary refrigerating fan unit is electrically connected to the controller, and the controller automatically adjusts the fan rotating speed of the auxiliary refrigerating fan unit according to the signals to adjust the air flow in the pipeline and improve the refrigerating effect.

[0010] Preferably, the refrigerating device adopts a semiconductor refrigerating sheet, which is made of P-type and N-type different semiconductor materials. At the P-type semiconductor, the electron energy is raised, and heat needs to be absorbed from the outside to achieve refrigeration. At the N-type semiconductor, the electron energy is reduced, and heat is released to the outside.

[0011] Preferably, the auxiliary refrigerating fan unit adopts a double-fan design.

[0012] The dehumidifying device is located at the right side of the controller, the dehumidifying device is electrically connected to the controller through wires, the controller controls the dehumidifying device to dehumidify, an auxiliary dehumidifying fan unit is fixedly installed beside the dehumidifying device, the auxiliary dehumidifying fan unit is electrically connected to the controller, and the controller automatically adjusts the fan rotating speed of the auxiliary dehumidifying fan unit according to the signals to adjust the air flow in the pipeline and improve the dehumidifying effect.

[0013] Preferably, the dehumidification device adopts a semiconductor dehumidification mode, and after being powered on, the cold and hot sides of the semiconductor refrigeration sheet are separated, the temperature of the cold side is rapidly reduced, the moisture in the air is condensed into water droplets on the cold side, and the purpose of controlling the air humidity is achieved.

[0014] Preferably, the auxiliary dehumidification fan group adopts a double-fan design.

[0015] The heating device is located below the controller, and the heating device is electrically connected to the controller through wires. The controller controls the heating device to deliver hot air into the heating air duct main pipeline. An auxiliary heating fan group is fixedly installed beside the heating device, and the auxiliary heating fan group is electrically connected to the controller. The controller automatically adjusts the fan speed of the auxiliary heating fan group according to signals to adjust the air flow in the pipeline and improve the heating effect.

[0016] Preferably, the heating device adopts a PTC heating plate. Based on the characteristics of a PTC thermistor, when an electric current passes through the PTC thermistor, the resistance generates heat, which increases the temperature of the PTC thermistor. As the temperature rises, the resistance value increases sharply, thereby limiting the further increase of the electric current, so that the power tends to be stable.

[0017] Preferably, the auxiliary heating fan group adopts a double-fan design.

[0018] The refrigeration air duct main pipeline is fixedly and airtightly connected to the outlet of the refrigeration device. The refrigeration air duct main pipeline is horizontally placed, and a group of H-shaped pipelines is fixedly and airtightly connected to the left and right ends of the refrigeration air duct main pipeline.

[0019] The two groups of H-shaped pipelines sandwich the transformer online monitoring system. The H-shaped pipeline includes an upper branch, a lower branch, a left branch, and a right branch. The upper branch and the lower branch are in the horizontal direction and perpendicular to the refrigeration air duct main pipeline. The left branch and the right branch are in the vertical direction and perpendicular to the refrigeration air duct main pipeline. The left branch is connected to one end of the refrigeration air duct main pipeline and the heating air duct main pipeline at the two ends, respectively. The left branch is fixedly and airtightly connected to the right branch at the midpoint of the right branch through an auxiliary refrigeration branch obliquely upward, and fixedly and airtightly connected to the right branch through an auxiliary heating branch obliquely downward at the midpoint of the right branch. Exhaust holes are arranged on the left branch and the right branch, and the exhaust holes gradually become sparse from the middle to the two ends. The orifices on the same pipeline are located on the same axis of the pipeline, and the center line of the orifices on the same pipeline is located on a plane deviated from the transformer online monitoring system, and the included angle between the plane and the H-shaped pipeline is 45°.

[0020] The heating air duct main pipeline is fixedly and airtightly connected to the outlet of the heating device. The heating air duct main pipeline is horizontally placed, and the above-mentioned H-shaped pipeline is fixedly and airtightly connected to the left and right ends of the heating air duct main pipeline.

[0021] The inner diameter of the main pipe of the refrigeration air duct and the main pipe of the heating air duct is the largest, the inner diameter of the pipe between the connection of the auxiliary refrigeration branch and the auxiliary heating branch and the left branch is smaller than the inner diameter of the remaining part of the left branch, the inner diameter of the remaining part of the left branch is the same as the inner diameters of the upper branch, the lower branch and the right branch, and the inner diameters of the auxiliary refrigeration branch and the auxiliary heating branch are the same and the smallest.

[0022] Preferably, the inner diameters of the main pipe of the refrigeration air duct, the right branch, the pipe between the connection of the auxiliary refrigeration branch and the auxiliary heating branch and the left branch, and the auxiliary refrigeration branch are in the ratio of 10:5:3:2.

[0023] Through the above design scheme, the utility model can bring following beneficial effects:

[0024] (1) Precise temperature and humidity adjustment, the efficient circulating air duct is used to realize accurate control of the temperature and humidity in the box, improve the performance and service life of the transformer online monitoring system, and ensure the safe and stable operation of the transformer.

[0025] (2) Fast response speed, the temperature and humidity are adjusted in time to avoid the adverse effects of temperature and humidity fluctuation on the transformer online monitoring system.

[0026] (3) High intelligent degree, the working state of the refrigeration device, the heating device and the dehumidification device can be automatically controlled according to the preset temperature and humidity threshold, and the manual intervention is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0027] The utility model is further described below in combination with the drawings and specific embodiments:

[0028] Figure 1 It is a schematic view of the utility model of a transformer online monitoring system intelligent temperature and humidity control device.

[0029] Figure 2 It is a position schematic view of the utility model of a transformer online monitoring system intelligent temperature and humidity control device in the transformer online monitoring system.

[0030] In the drawing, 1 is a temperature and humidity processor, 2 is a controller, 3 is a dehumidification device, 4 is a refrigeration device, 5 is a heating device, 6 is an auxiliary dehumidification fan unit, 7 is an auxiliary refrigeration fan unit, 8 is an auxiliary heating fan unit, 9 is the main pipe of the refrigeration air duct, 10 is the main pipe of the heating air duct, 11 is a mouth-shaped pipe, 12 is a temperature and humidity sensing probe, 13 is an upper branch, 14 is a lower branch, 15 is a left branch, 16 is a right branch, 17 is an auxiliary refrigeration branch, 18 is an auxiliary heating branch, and 19 is an exhaust hole. DETAILED DESCRIPTION

[0031] The technical solutions of the present application will be described clearly and completely below with specific examples. Those skilled in the art can easily understand other advantages and effects of the present application from the content disclosed in the specification. The present application can also be implemented or applied in other different specific embodiments, and each detail in the specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present application. It should be noted that the following examples and features in the examples can be combined with each other without conflict.

[0032] It should be noted that the diagrams provided in the following examples only schematically illustrate the basic concept of the present application, and only the components related to the present application are shown in the diagrams, not the number, shape and size of the components when actually implemented. The shape, number and proportion of each component can be changed arbitrarily when actually implemented, and the component layout pattern can also be more complex.

[0033] All directional indications (such as up, down, left, right, front, back, transverse, longitudinal, etc.) in the embodiments of the present application are only used to explain the relative position relationship, movement condition, etc. between components in a certain specific posture, and if the specific posture changes, the directional indications also change accordingly.

[0034] Due to installation errors and other reasons, the parallel relationship referred to in the embodiments of the present application can actually be an approximate parallel relationship, and the perpendicular relationship can actually be an approximate perpendicular relationship.

[0035] Embodiment 1

[0036] As shown in Figure 1 , Figure 2 A transformer online monitoring system intelligent temperature and humidity control device, comprising a temperature and humidity processor 1, a controller 2, a dehumidification device 3, a refrigeration device 4, a heating device 5, an auxiliary dehumidification fan unit 6, an auxiliary refrigeration fan unit 7, an auxiliary heating fan unit 8, a refrigeration air duct main pipe 9, a heating air duct main pipe 10, a mouth-shaped pipe 11, a temperature and humidity sensing probe 12, the temperature and humidity processor 1, the controller 2, the dehumidification device 3, the refrigeration device 4, the heating device 5, the auxiliary dehumidification fan unit 6, the auxiliary refrigeration fan unit 7, the auxiliary heating fan unit 8, and the temperature and humidity sensing probe 12 are all fixedly installed on the back plate at the back of the transformer online monitoring system operation box.

[0037] The controller 2 is fixedly installed at the center of the back plate, the temperature and humidity processor 1 is located at the left side of the controller 2, the temperature and humidity processor 1 is electrically connected with the controller 2 through wires, the temperature and humidity processor 1 is electrically connected with the six temperature and humidity sensing probes 12 through wires, the temperature and humidity sensing probes 12 are distributed in the shape of a cross on the back plate, the temperature and humidity sensing probes 12 are used for collecting temperature and humidity data in the transformer online monitoring system in real time, and the temperature and humidity data are converted into original signals and transmitted to the temperature and humidity processor 1, the temperature and humidity processor 1 amplifies, filters and digitizes the original signals, and then transmits the processed signals to the controller 2, the controller 2 adopts a microprocessor, processes and calculates the input signals according to the program and algorithm stored in the internal memory in advance, and compares the received signals with preset temperature and humidity thresholds, so as to control the working states of the refrigeration device 4, the heating device 5 and the dehumidification device 3, so as to realize the adjustment of the temperature and humidity in the transformer online monitoring system.

[0038] The refrigeration device 4 is located directly above the controller 2, the refrigeration device 4 is electrically connected with the controller 2 through wires, the controller 2 controls the refrigeration device 4 to deliver cold air into the refrigeration air duct main pipeline 9, an auxiliary refrigeration fan unit 7 is fixedly installed beside the refrigeration device 4, the auxiliary refrigeration fan unit 7 is electrically connected with the controller 2, and the controller 2 automatically adjusts the fan rotating speed of the auxiliary refrigeration fan unit 7 according to signals, so as to adjust the air flow in the pipeline and improve the refrigeration effect. The refrigeration device adopts a semiconductor refrigeration sheet, P-type and N-type different semiconductor materials are used, at the P-type semiconductor, the electron energy is increased, and heat needs to be absorbed from the outside to realize refrigeration, at the N-type semiconductor, the electron energy is reduced, and heat is released to the outside. The auxiliary refrigeration fan unit 7 adopts a double-fan design.

[0039] The dehumidification device 3 is located at the right side of the controller 2, the dehumidification device 3 is electrically connected with the controller 2 through wires, the controller 2 controls the dehumidification device 3 to dehumidify, an auxiliary dehumidification fan unit 6 is fixedly installed beside the dehumidification device 3, the auxiliary dehumidification fan unit 6 is electrically connected with the controller 2, and the controller 2 automatically adjusts the fan rotating speed of the auxiliary dehumidification fan unit 6 according to signals, so as to adjust the air flow in the pipeline and improve the dehumidification effect. The dehumidification device 3 adopts a semiconductor dehumidification mode, after being electrified, the semiconductor refrigeration sheet separates cold and heat, the cold surface temperature rapidly decreases, the moisture in the air condenses into water droplets on the cold surface and is removed, so as to achieve the purpose of controlling the air humidity. The auxiliary dehumidification fan unit 6 adopts a double-fan design.

[0040] The heating device 5 is located below the controller 2, and the heating device 5 is electrically connected with the controller 2 through a wire, the controller 2 controls the heating device 5 to deliver hot air into the heating air duct main pipeline 10, an auxiliary heating fan set 8 is fixedly installed beside the heating device 5, the auxiliary heating fan set 8 is electrically connected with the controller 2, and the controller 2 automatically adjusts the fan rotating speed of the auxiliary heating fan set 8 according to a signal, so as to adjust the air flow in the pipeline and improve the heating effect. The heating device 5 adopts a PTC heating plate for heating. Based on the characteristics of a PTC thermistor, when an electric current passes through the PTC thermistor, the thermistor generates heat, so that the temperature of the thermistor is increased. With the temperature rising, the resistance value is sharply increased, thereby limiting the further increase of the electric current, so that the power tends to be stable. The auxiliary heating fan set 8 adopts a double-fan design.

[0041] The refrigeration air duct main pipeline 9 is fixedly and airtightly connected at the air outlet of the refrigeration device 4, and is horizontally placed, and a group of H-shaped pipelines 11 are fixedly and airtightly connected at the left and right ends of the refrigeration air duct main pipeline 9.

[0042] The two groups of H-shaped pipelines 11 sandwich the transformer online monitoring system therebetween, and the H-shaped pipeline 11 comprises an upper branch 13, a lower branch 14, a left branch 15 and a right branch 16. The upper branch 13 and the lower branch 14 are perpendicular to the refrigeration air duct main pipeline 9 along the horizontal direction, and the left branch 15 and the right branch 16 are perpendicular to the refrigeration air duct main pipeline 9 along the vertical direction. The left branch 15 is connected with one end of the refrigeration air duct main pipeline 9 and the heating air duct main pipeline 10 at the two ends thereof respectively. The auxiliary refrigeration branch 17 is fixedly and airtightly connected with the left branch 15 at the midpoint of the right branch 16 in an oblique upward manner, and the auxiliary heating branch 18 is fixedly and airtightly connected with the left branch 15 at the midpoint of the right branch 16 in an oblique downward manner. Exhaust holes 19 are arranged on the left branch 15 and the right branch 16, and the exhaust holes 19 gradually become sparse from the middle to the two ends. The hole openings on the same pipeline are located on the same axis inside the pipeline, and the center lines of the hole openings on the same pipeline are located on a plane deviated from the transformer online monitoring system, and the included angle between the plane and the plane where the H-shaped pipeline 11 is located is 45°.

[0043] The heating air duct main pipeline 10 is fixedly and airtightly connected at the air outlet of the heating device 5, and is horizontally placed, and the H-shaped pipeline 11 is fixedly and airtightly connected at the left and right ends of the heating air duct main pipeline 10.

[0044] The inner diameters of the refrigeration air duct main pipeline 9 and the heating air duct main pipeline 10 are both 2 cm, the inner diameter of the pipeline between the connection position of the auxiliary refrigeration branch 17 and the auxiliary heating branch 18 and the left branch 15 is 0.6 cm, the inner diameters of the remaining part of the left branch 15, the upper branch 13, the lower branch 14 and the right branch 16 are all 1 cm, and the inner diameters of the auxiliary refrigeration branch 17 and the auxiliary heating branch 18 are both 0.4 cm.

[0045] Example 2

[0046] As Figure 1 , Figure 2 shown, a transformer online monitoring system intelligent temperature and humidity control device, including temperature and humidity processor 1, controller 2, dehumidification device 3, refrigeration device 4, heating device 5, auxiliary dehumidification fan group 6, auxiliary refrigeration fan group 7, auxiliary heating fan group 8, refrigeration air duct main pipe 9, heating air duct main pipe 10, mouth-shaped pipe 11, temperature and humidity sensing probe 12, temperature and humidity processor 1, controller 2, dehumidification device 3, refrigeration device 4, heating device 5, auxiliary dehumidification fan group 6, auxiliary refrigeration fan group 7, auxiliary heating fan group 8, temperature and humidity sensing probe 12, are fixedly installed on the back plate at the back of the transformer online monitoring system operation box.

[0047] Controller 2 is fixedly installed in the center of the back plate, temperature and humidity processor 1 is located on the left side of controller 2, temperature and humidity processor 1 is electrically connected with controller 2 through wires, temperature and humidity processor 1 is electrically connected with six temperature and humidity sensing probes 12 through wires, temperature and humidity sensing probes 12 are distributed in the shape of a cross on the back plate, temperature and humidity sensing probes 12 are used to collect temperature and humidity data in the transformer online monitoring system in real time, and convert the temperature and humidity data into original signals and transmit them to temperature and humidity processor 1, temperature and humidity processor 1 amplifies, filters and digitizes the original signals, and then transmits the processed signals to controller 2, controller 2 uses a microprocessor to process and calculate the input signals according to the program and algorithm stored in the internal memory in advance, and compares the received signals with the preset temperature and humidity threshold value to control the working state of refrigeration device 4, heating device 5 and dehumidification device 3, so as to realize the adjustment of temperature and humidity in the transformer online monitoring system.

[0048] Refrigeration device 4 is located directly above controller 2, refrigeration device 4 is electrically connected with controller 2 through wires, controller 2 controls refrigeration device 4 to deliver cold air into refrigeration air duct main pipe 9, auxiliary refrigeration fan group 7 is fixedly installed beside refrigeration device 4, auxiliary refrigeration fan group 7 is electrically connected with controller 2, controller 2 automatically adjusts the fan speed of auxiliary refrigeration fan group 7 according to the signal to adjust the air flow in the pipe and improve the refrigeration effect. The refrigeration device uses semiconductor refrigeration sheet, which is made of P-type and N-type semiconductor materials, at the P-type semiconductor, the electron energy is raised, and heat needs to be absorbed from the outside to achieve refrigeration; at the N-type semiconductor, the electron energy is reduced, and heat is released to the outside. Auxiliary refrigeration fan group 7 adopts a double-fan design.

[0049] The dehumidifying device 3 is located on the right of the controller 2, and the dehumidifying device 3 is electrically connected with the controller 2 through a wire, the controller 2 controls the dehumidifying device 3 to dehumidify, an auxiliary dehumidifying fan unit 6 is fixedly installed beside the dehumidifying device 3, the auxiliary dehumidifying fan unit 6 is electrically connected with the controller 2, and the controller 2 automatically adjusts the fan rotating speed of the auxiliary dehumidifying fan unit 6 according to a signal to adjust the air flow in the pipeline and improve the dehumidifying effect. The dehumidifying device 3 adopts a semiconductor dehumidifying mode, cold and hot faces of a semiconductor refrigerating sheet are separated after being electrified, the temperature of the cold face is rapidly reduced, moisture in the air is condensed into water droplets on the cold face and is discharged, and the purpose of controlling air humidity is achieved. The auxiliary dehumidifying fan unit 6 adopts a double-fan design.

[0050] The heating device 5 is located below the controller 2, the heating device 5 is electrically connected with the controller 2 through a wire, the controller 2 controls the heating device 5 to deliver hot air into the heating air duct main pipeline 10, and an auxiliary heating fan unit 8 is fixedly installed beside the heating device 5. The auxiliary heating fan unit 8 is electrically connected with the controller 2, and the controller 2 automatically adjusts the fan rotating speed of the auxiliary heating fan unit 8 according to a signal to adjust the air flow in the pipeline and improve the heating effect. The heating device 5 adopts a PTC heating plate to heat, based on the characteristics of a PTC thermistor, when an electric current passes through the PTC thermistor, the electric resistance generates heat to increase the temperature of the PTC thermistor. As the temperature rises, the electric resistance value sharply increases, thereby limiting the further increase of the electric current, so that the power tends to be stable. The auxiliary heating fan unit 8 adopts a double-fan design.

[0051] The refrigerating air duct main pipeline 9 is fixedly and airtightly connected at the air outlet of the refrigerating device 4, and is horizontally placed, and a group of mouth-shaped pipelines 11 are fixedly and airtightly connected to the left and right ends of the refrigerating air duct main pipeline 9.

[0052] The two groups of mouth-shaped pipelines 11 sandwich the transformer online monitoring system, and the mouth-shaped pipeline 11 comprises an upper branch 13, a lower branch 14, a left branch 15 and a right branch 16. The upper branch 13 and the lower branch 14 are perpendicular to the refrigerating air duct main pipeline 9 along the horizontal direction, and the left branch 15 and the right branch 16 are perpendicular to the refrigerating air duct main pipeline 9 along the vertical direction. The left branch 15 is connected to one end of the refrigerating air duct main pipeline 9 and the heating air duct main pipeline 10 respectively at the two ends. The auxiliary refrigerating branch 17 is fixedly and airtightly connected to the left branch 15 at the midpoint of the right branch 16 in an oblique upward direction, and the auxiliary heating branch 18 is fixedly and airtightly connected to the left branch 15 at the midpoint of the right branch 16 in an oblique downward direction. Exhaust holes 19 are arranged on the left branch 15 and the right branch 16, and the exhaust holes 19 gradually become sparse from the middle to the two ends. The hole openings on the same pipeline are located on the same axis inside the pipeline, and the center line of the hole openings on the same pipeline is located on a plane deviated from the transformer online monitoring system, and the included angle between the plane and the plane where the mouth-shaped pipeline 11 is located is 45°.

[0053] The heating air duct main pipeline 10 is fixedly connected at the air outlet of the heating device 5, and is horizontally placed, with the left and right ends of the heating air duct main pipeline 10 fixedly connected to the above-mentioned mouth-shaped pipeline 11.

[0054] The inner diameter of the refrigeration air duct main pipeline 9 and the heating air duct main pipeline 10 is 2 cm, the inner diameter of the pipeline between the connection of the auxiliary refrigeration branch 17 and the auxiliary heating branch 18 and the left branch 15 is 0.8 cm, the inner diameter of the remaining part of the above-mentioned left branch 15, the upper branch 13, the lower branch 14 and the right branch 16 is 1 cm, and the inner diameter of the auxiliary refrigeration branch 17 and the auxiliary heating branch 18 is 0.5 cm.

[0055] Example 3

[0056] As shown in Figure 1 , Figure 2 , a transformer online monitoring system intelligent temperature and humidity control device, comprising a temperature and humidity processor 1, a controller 2, a dehumidification device 3, a refrigeration device 4, a heating device 5, an auxiliary dehumidification fan group 6, an auxiliary refrigeration fan group 7, an auxiliary heating fan group 8, a refrigeration air duct main pipeline 9, a heating air duct main pipeline 10, a mouth-shaped pipeline 11, a temperature and humidity sensing probe 12, the temperature and humidity processor 1, the controller 2, the dehumidification device 3, the refrigeration device 4, the heating device 5, the auxiliary dehumidification fan group 6, the auxiliary refrigeration fan group 7, the auxiliary heating fan group 8, and the temperature and humidity sensing probe 12 are all fixedly installed on the back plate at the back of the transformer online monitoring system operation box.

[0057] The controller 2 is fixedly installed in the center of the back plate, the temperature and humidity processor 1 is located on the left side of the controller 2, the temperature and humidity processor 1 is electrically connected to the controller 2 through wires, the temperature and humidity processor 1 is electrically connected to the six temperature and humidity sensing probes 12 through wires, the temperature and humidity sensing probes 12 are distributed in the shape of a cross on the back plate, the temperature and humidity sensing probes 12 are used to collect temperature and humidity data in the transformer online monitoring system in real time, and convert the temperature and humidity data into original signals and transmit them to the temperature and humidity processor 1, the temperature and humidity processor 1 amplifies, filters and digitizes the original signals, and then transmits the processed signals to the controller 2, the controller 2 uses a microprocessor, processes and calculates the input signals according to the program and algorithm stored in the internal memory in advance, compares the received signals with the preset temperature and humidity threshold value, and controls the working state of the refrigeration device 4, the heating device 5 and the dehumidification device 3 to realize the adjustment of the temperature and humidity in the transformer online monitoring system.

[0058] The refrigeration device 4 is located directly above the controller 2, and the refrigeration device 4 is electrically connected with the controller 2 through wires, the controller 2 controls the refrigeration device 4 to deliver cold air into the refrigeration air duct main pipeline 9, and an auxiliary refrigeration fan unit 7 is fixedly installed beside the refrigeration device 4, the auxiliary refrigeration fan unit 7 is electrically connected with the controller 2, and the controller 2 automatically adjusts the fan rotating speed of the auxiliary refrigeration fan unit 7 according to a signal, so as to adjust the air flow in the pipeline and improve the refrigeration effect. The refrigeration device adopts a semiconductor refrigeration sheet, and P-type and N-type different semiconductor materials are used, at the P-type semiconductor, the electron energy is increased, and heat needs to be absorbed from the outside, so as to realize refrigeration; at the N-type semiconductor, the electron energy is reduced, and heat is released to the outside. The auxiliary refrigeration fan unit 7 adopts a double-fan design.

[0059] The dehumidification device 3 is located to the right of the controller 2, and the dehumidification device 3 is electrically connected with the controller 2 through wires, the controller 2 controls the dehumidification device 3 to dehumidify, and an auxiliary dehumidification fan unit 6 is fixedly installed beside the dehumidification device 3, the auxiliary dehumidification fan unit 6 is electrically connected with the controller 2, and the controller 2 automatically adjusts the fan rotating speed of the auxiliary dehumidification fan unit 6 according to a signal, so as to adjust the air flow in the pipeline and improve the dehumidification effect. The dehumidification device 3 adopts a semiconductor dehumidification mode, and after being electrified, the semiconductor refrigeration sheet separates cold and heat, the cold surface temperature rapidly reduces, the moisture in the air is condensed into water droplets on the cold surface and is discharged, and the purpose of controlling the air humidity is achieved. The auxiliary dehumidification fan unit 6 adopts a double-fan design.

[0060] The heating device 5 is located below the controller 2, and the heating device 5 is electrically connected with the controller 2 through wires, the controller 2 controls the heating device 5 to deliver hot air into the heating air duct main pipeline 10, and an auxiliary heating fan unit 8 is fixedly installed beside the heating device 5, the auxiliary heating fan unit 8 is electrically connected with the controller 2, and the controller 2 automatically adjusts the fan rotating speed of the auxiliary heating fan unit 8 according to a signal, so as to adjust the air flow in the pipeline and improve the heating effect. The heating device 5 adopts a PTC heating plate to heat, and based on the characteristics of a PTC thermistor, when an electric current passes through the PTC thermistor, the electric resistance generates heat, so that the temperature of the PTC thermistor is increased. With the temperature rising, the electric resistance value is sharply increased, so that the further increase of the electric current is limited, and the power tends to be stable. The auxiliary heating fan unit 8 adopts a double-fan design.

[0061] The refrigeration air duct main pipeline 9 is fixedly and airtightly connected at the air outlet of the refrigeration device 4, and the refrigeration air duct main pipeline 9 is horizontally placed, and a group of mouth-shaped pipelines 11 are fixedly and airtightly connected at the left and right ends of the refrigeration air duct main pipeline 9.

[0062] Two sets of U-shaped pipes 11 sandwich the transformer online monitoring system in the middle. Each U-shaped pipe 11 includes an upper branch 13, a lower branch 14, a left branch 15, and a right branch 16. The upper branch 13 and lower branch 14 are horizontal and perpendicular to the main cooling air duct 9. The left branch 15 and right branch 16 are vertical and perpendicular to the main cooling air duct 9. The left branch 15 is connected at both ends to one end of the main cooling air duct 9 and one end of the main heating air duct 10, respectively. An auxiliary cooling pipe is located at the midpoint of the right branch 16. The left branch 15 is connected to the right branch 16 at an angle upwards and is sealed and fixed. The right branch 16 is connected to the left branch 15 at an angle downwards via the auxiliary heating branch 18. The left branch 15 and the right branch 16 are provided with exhaust holes 19, which gradually become less open from the middle to both ends. The orifices on the same pipe are all located on the same axis inside the pipe, and the plane of the center line of the orifices on the same pipe is biased towards the transformer online monitoring system, with an angle of 45° with the plane of the U-shaped pipe 11.

[0063] The heating air duct main pipeline 10 is sealed and fixedly connected to the air outlet of the heating device 5. The heating air duct main pipeline 10 is placed horizontally, and the above-mentioned U-shaped pipeline 11 is sealed and fixedly connected to its left and right ends.

[0064] The inner diameter of the main cooling air duct 9 and the main heating air duct 10 is 2cm. The inner diameter of the pipe between the auxiliary cooling branch 17 and the auxiliary heating branch 18 at the connection of the left branch 15 is 0.8cm. The inner diameter of the remaining part of the left branch 15, the upper branch 13, the lower branch 14, and the right branch 16 are all 1cm. The inner diameter of the auxiliary cooling branch 17 and the auxiliary heating branch 18 are both 0.6cm.

[0065] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An intelligent temperature and humidity control device for an online transformer monitoring system, comprising a temperature and humidity processor (1), a controller (2), a dehumidification device (3), a refrigeration device (4), a heating device (5), an auxiliary dehumidification fan unit (6), an auxiliary refrigeration fan unit (7), an auxiliary heating fan unit (8), a refrigeration air duct main pipeline (9), a heating air duct main pipeline (10), and a temperature and humidity sensing probe (12), characterized in that: It also includes a U-shaped pipe (11), and the temperature and humidity processor (1), controller (2), dehumidifier (3), refrigeration device (4), heating device (5), auxiliary dehumidification fan unit (6), auxiliary refrigeration fan unit (7), auxiliary heating fan unit (8), and temperature and humidity sensor (12) are all fixedly installed on the back panel of the transformer online monitoring system operation box. The controller (2) is fixedly installed in the center of the back panel. The temperature and humidity processor (1) is located on the left side of the controller (2). The temperature and humidity processor (1) is electrically connected to the controller (2) through wires. The temperature and humidity processor (1) is electrically connected to 6 temperature and humidity sensing probes (12) through wires. The temperature and humidity sensing probes (12) are distributed in a grid pattern on the back panel. The refrigeration device (4) is located directly above the controller (2). The refrigeration device (4) is electrically connected to the controller (2) via a wire. An auxiliary refrigeration fan unit (7) is fixedly installed next to the refrigeration device (4). The auxiliary refrigeration fan unit (7) is electrically connected to the controller (2). The dehumidification device (3) is located to the right of the controller (2). The dehumidification device (3) is electrically connected to the controller (2) through a wire. An auxiliary dehumidification fan unit (6) is fixedly installed next to the dehumidification device (3). The auxiliary dehumidification fan unit (6) is electrically connected to the controller (2). The heating device (5) is located below the controller (2). The heating device (5) is electrically connected to the controller (2) through a wire. An auxiliary heating fan unit (8) is fixedly installed next to the heating device (5). The auxiliary heating fan unit (8) is electrically connected to the controller (2). The main cooling air duct (9) is sealed and fixedly connected to the air outlet of the cooling device (4). The main cooling air duct (9) is placed horizontally, and its left and right ends are sealed and fixedly connected to the U-shaped pipes (11). The U-shaped pipeline (11) sandwiches the transformer online monitoring system in the middle. The U-shaped pipeline (11) includes an upper branch (13), a lower branch (14), a left branch (15), and a right branch (16). The upper branch (13) and the lower branch (14) are horizontal and perpendicular to the main cooling air duct (9). The left branch (15) and the right branch (16) are vertical and perpendicular to the main cooling air duct (9). The two ends of the left branch (15) are connected to one end of the main cooling air duct (9) and the main heating air duct (10), respectively. The right branch (16) is connected at the midpoint. The auxiliary cooling branch (17) is obliquely upward and sealed and fixedly connected to the left branch (15). At the midpoint of the right branch (16), the auxiliary heating branch (18) is obliquely downward and sealed and fixedly connected to the left branch (15). The left branch (15) and the right branch (16) are provided with exhaust holes (19), and the exhaust holes (19) gradually become sparse from the middle to both ends. The orifices on the same pipe are all located on the same axis inside the pipe, and the plane of the center line of the orifice on the same pipe is biased towards the transformer online monitoring system, and the angle between it and the plane of the U-shaped pipe (11) is 45°. The main heating air duct (10) is sealed and fixedly connected to the air outlet of the heating device (5). The main heating air duct (10) is placed horizontally, and the above-mentioned U-shaped pipe (11) is sealed and fixedly connected to its left and right ends. The main cooling air duct (9) is the same as the main heating air duct (10) and has the largest inner diameter. The inner diameter of the auxiliary cooling branch (17) and the auxiliary heating branch (18) at the connection of the left branch (15) is smaller than the inner diameter of the remaining part of the left branch (15). The inner diameter of the remaining part of the left branch (15) is the same as the inner diameter of the upper branch (13), the lower branch (14), and the right branch (16). The inner diameter of the auxiliary cooling branch (17) and the auxiliary heating branch (18) is the same and the smallest.

2. The intelligent temperature and humidity control device for an online transformer monitoring system according to claim 1, characterized in that: The refrigeration device (4) uses a semiconductor refrigeration chip.

3. The intelligent temperature and humidity control device for an online transformer monitoring system according to claim 1, characterized in that: The heating device (5) uses a PTC heating plate.

4. The intelligent temperature and humidity control device for an online transformer monitoring system according to claim 1, characterized in that: The auxiliary dehumidifying fan unit (6), auxiliary cooling fan unit (7), and auxiliary heating fan unit (8) adopt a dual-fan design.

5. The intelligent temperature and humidity control device for an online transformer monitoring system according to claim 1, characterized in that: The ratio of the inner diameter of the pipes between the main cooling air duct (9), the right branch (16), the auxiliary cooling branch (17), and the auxiliary heating branch (18) at the connection point of the left branch (15) and the inner diameter of the auxiliary cooling branch (17) is 10:5:3:2.

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