Real-time temperature monitoring and self-adjusting photovoltaic intelligent transformer

Abstract

The application relates to the technical field of transformers, and discloses a photovoltaic intelligent transformer with real-time temperature monitoring and self-adjustment; the application is provided with a blowing flow guide plate; when the temperature sensor identifies that the temperature of the device exceeds a specified value, the heat dissipation fan is controlled to be close to the fin at this time, and the inclination angle of the blowing flow guide plate is changed, so that the cooling air generated by the heat dissipation fan can blow to the fin and form primary acceleration; meanwhile, the movable fin starts to rotate, the opening generated by the fin is used for receiving the accelerated cooling air generated by the heat dissipation fan, and the cooling air is extruded and accelerated again, through the secondary acceleration of the cooling air and the gathering air duct, the heat dissipation effect of the heat dissipation fan on the fin is strengthened, and in the process of rotation of the fin, the angle generated between the cooling air and the fin changes in real time; through the impact of different angles, dirt existing on the fin can be effectively removed, and the cleaning effect is realized.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of transformers, in particular to a real-time temperature monitoring and self-adjusting photovoltaic intelligent transformer. BACKGROUND

[0002] A transformer is an electrical power device based on electromagnetic induction principle, which converts alternating current power from one voltage level to another different voltage level while maintaining the frequency unchanged through electromagnetic coupling of the core and primary and secondary windings, and is widely used in photovoltaic power stations, power grid transmission, industrial production and other scenes. The core function is to realize efficient transmission, distribution and adaptation of electrical power equipment demand, and to ensure stable operation of the power system.

[0003] In the Chinese patent No. CN216597212U, a transformer with real-time temperature monitoring is disclosed, which comprises a bottom plate and a sleeve, a transformer body is arranged above the middle end of the bottom plate, and a connecting rod is installed on the left and right outer walls of the transformer body, a connecting plate is arranged inside the connecting rod, and a mounting hole is formed on the surface of the connecting plate, a mounting frame is arranged at the front end of the mounting hole, and a cooling fan is arranged inside the mounting frame, a clamping ring is arranged on the outside of the connecting rod, and a wire ring is arranged at the outer end of the clamping ring, a connector is arranged at the upper end of the transformer body, and vertical plates are arranged on the left and right sides of the upper end of the transformer body. The transformer with real-time temperature monitoring adopts a limiting structure, which can limit the device to the ground to avoid shaking of the device during operation, and has a wire binding structure to limit the excess lines and effectively prevent the lines from winding, and has a cooling structure to accelerate the cooling speed of the device and ensure the working environment of the device.

[0004] For the above and existing related technologies, the inventors believe that the following defects often exist: the existing photovoltaic intelligent transformer monitors the temperature inside the device in real time through a temperature sensor to control the operation of the radiator and ensure the heat dissipation effect of the device during operation, but when the temperature of the transformer is continuously too high, the heat dissipation effect of the radiator is limited, which may cause damage to the instruments inside the transformer and affect the normal operation of the device. SUMMARY

[0005] The technical problem to be solved by the present application is that the temperature of the transformer in the prior art is continuously too high, which causes damage to the instruments inside the transformer. Therefore, the present application provides a real-time temperature monitoring and self-adjusting photovoltaic intelligent transformer.

[0006] In order to achieve the above object, the following technical scheme is adopted in the application: a photovoltaic intelligent transformer for real-time temperature monitoring and self-adjustment, comprising: a photovoltaic intelligent transformer body, a temperature sensor fixedly connected to the top of the photovoltaic intelligent transformer body, a driving device fixedly connected to the side of the temperature sensor, a protective cover fixedly connected to the outer wall of the driving device, a cooling fan fixedly connected to the output end of the driving device, a horizontal sliding rail slidably connected to the inside of the cooling fan, a first fixed plate fixedly connected to the side of the horizontal sliding rail, an extension housing fixedly connected to the top of the cooling fan, an extension inner rod slidably connected to the inside of the extension housing, an inclined sliding rail slidably connected to the inside of the extension inner rod, a second fixed plate fixedly connected to the side of the inclined sliding rail, a sliding ball fixedly connected to the top of the extension inner rod, a sliding groove slidably connected to the top of the sliding ball, the sliding groove being arranged in the inside of a blowing guide plate, a guide plate rotating shaft fixedly connected to one side of the blowing guide plate, a device rack fixedly connected to the other side of the blowing guide plate, a first gear meshing with the outer wall of the device rack, a gear rotating rod fixedly connected to the side of the first gear, a second gear meshing with the bottom of the first gear, a movable fin fixedly connected to the side of the second gear, and a fixed fin arranged at the bottom of the movable fin.

[0007] Preferably, the driving device is located on the horizontal central axis of the protective cover, and the protective cover is fixedly connected to the photovoltaic intelligent transformer body.

[0008] Preferably, the horizontal sliding rail is symmetrically arranged about the vertical central axis of the first fixed plate, and the first fixed plate is fixedly connected to the photovoltaic intelligent transformer body.

[0009] Preferably, the inclined sliding rail is symmetrically arranged about the vertical central axis of the second fixed plate, and the second fixed plate is fixedly connected to the photovoltaic intelligent transformer body.

[0010] Preferably, the diameter of the sliding ball is the same as the diameter of the sliding groove, and the sliding groove is symmetrically arranged about the vertical central axis of the blowing guide plate.

[0011] Preferably, the guide plate rotating shaft is rotatably connected to the photovoltaic intelligent transformer body, and the guide plate rotating shaft is symmetrically arranged about the horizontal central axis of the cooling fan.

[0012] Preferably, the gear rotating rod is rotatably connected to the photovoltaic intelligent transformer body, and the size of the first gear is the same as the size of the second gear.

[0013] Preferably, the movable fin is rotatably connected to the photovoltaic intelligent transformer body, and the movable fin is symmetrically arranged about the horizontal central axis of the fixed fin.

[0014] Preferably, the fixed fin is fixedly connected to the photovoltaic intelligent transformer body, and the fixed fin is located on the horizontal central axis of the cooling fan.

[0015] Preferably, the top of the air blowing guide plate is fixedly connected with a device spring, the top of the device spring is fixedly connected with a spring fixing plate, and the spring fixing plate is fixedly connected with the photovoltaic intelligent transformer body.

[0016] The technical effects and advantages of the present application are as follows:

[0017] In the present application, the air blowing guide plate is provided, when the temperature sensor identifies that the device temperature exceeds the specified value, at this time, the cooling fan is controlled to be close to the fin, and the inclination angle of the air blowing guide plate is changed, so that the cooling air generated by the cooling fan can blow to the fin, and form the first acceleration, and the movable fin starts to rotate, the opening generated is used to receive the accelerated cooling air generated by the cooling fan, and the cooling air is extruded and accelerated again, through the secondary acceleration of the cooling air and the gathering air duct, the heat dissipation effect of the cooling fan on the fin is strengthened, and the angle between the cooling air and the fin changes in real time during the rotation of the fin, which can effectively remove the dirt on the fin through the impact of different angles, and realize the cleaning effect. BRIEF DESCRIPTION OF DRAWINGS

[0018] The disclosure of the present application will be described with reference to the accompanying drawings. It should be understood that the drawings are for illustrative purposes only and are not intended to limit the scope of protection of the present application. In the drawings, the same reference numerals are used to refer to the same parts:

[0019] Figure 1 It is a front view structural schematic diagram of the real-time temperature monitoring and self-adjusting photovoltaic intelligent transformer of the present application;

[0020] Figure 2 It is an internal structure schematic diagram of the real-time temperature monitoring and self-adjusting photovoltaic intelligent transformer of the present application;

[0021] Figure 3 It is an internal structure schematic diagram of the real-time temperature monitoring and self-adjusting photovoltaic intelligent transformer of the present application when working;

[0022] Figure 4 It is an enlarged structure schematic diagram of the air blowing guide plate part of the present application;

[0023] Figure 5 It is an enlarged structure schematic diagram of the driving device part of the present application;

[0024] Figure 6 It is an enlarged structure schematic diagram of the cooling fan part of the present application;

[0025] Figure 7 It is an enlarged structure schematic diagram of the inclination sliding rail part of the present application;

[0026] Figure 8 It is an enlarged structure schematic diagram of the sliding ball part of the present application;

[0027] Figure 9 The enlarged structural schematic diagram of the first gear part of the application.

[0028] Fig. 1 is a photovoltaic intelligent transformer body; 2 is a temperature sensor; 3 is a driving device; 4 is a protective cover; 5 is a cooling fan; 6 is a horizontal sliding rail; 7 is a first fixed plate; 8 is an extension shell; 9 is an extension inner rod; 10 is an inclined sliding rail; 11 is a second fixed plate; 12 is a sliding ball; 13 is a sliding groove; 14 is a blowing guide plate; 15 is a guide plate rotating shaft; 16 is a device rack; 17 is a first gear; 18 is a gear rotating rod; 19 is a second gear; 20 is a movable fin; 21 is a fixed fin; 22 is a device spring; 23 is a spring fixed plate. DETAILED DESCRIPTION

[0029] It is easy to understand that, according to the technical scheme of the application, those skilled in the art can propose various structural modes and implementation modes that can be replaced with each other without changing the essential spirit of the application. Therefore, the following specific embodiments and drawings are only exemplary descriptions of the technical scheme of the application, and should not be regarded as the whole or as a limitation or restriction on the technical scheme of the application.

[0030] According to an embodiment of the application in combination Figures 1 to 9 is shown.

[0031] The existing photovoltaic intelligent transformer, in order to ensure the temperature stability of the core components, usually precisely deploys temperature sensors 2 at the key heat generating parts of the transformer body. These sensors can capture the internal temperature changes in real time and transmit the data to the main control system. The main control system will dynamically control the operating state of the finned radiator according to the temperature signal. However, in extreme scenarios, when the temperature of the transformer is continuously too high, due to the limited heat dissipation effect of the radiator, it may cause damage to the internal instruments of the transformer, affecting the normal operation of the device. The damage to the internal instruments of the transformer will affect the service life of the device and increase the use risk of the device. In order to solve this problem, the application makes the following design on the real-time temperature monitoring and self-adjusting photovoltaic intelligent transformer:

[0032] The utility model provides a real -time temperature monitoring and self -adjusting photovoltaic intelligent transformer, including: photovoltaic intelligent transformer body 1, photovoltaic intelligent transformer body 1 is in photovoltaic power plant, integrated iron core, primary and secondary winding and insulating cooling medium to realize photovoltaic electric energy low pressure to high pressure, and the key parts are arranged monitoring sensor, support intelligent control's core electric energy conversion carrier, the top of photovoltaic intelligent transformer body 1 is fixedly connected with temperature sensor 2, temperature sensor 2 is the device that can detect the temperature change of environment or equipment, and it is converted into readable electric signal or mechanical signal, provides data support for temperature monitoring and automatic control, the side of temperature sensor 2 is fixedly connected with drive arrangement 3, drive arrangement 3 is the device that can convert electric energy, mechanical energy etc. into power, drive cooling fan 5 moves according to demand and is the core power source of realizing mechanical structure automatic operation, the outer wall of drive arrangement 3 is fixedly connected with protective cover 4, protective cover 4 is used to limit air duct, reduce air duct dispersion, the output of drive arrangement 3 is fixedly connected with cooling fan 5, cooling fan 5 is the active heat dissipation component that is driven fan blade rotation through motor, accelerates air flow to intensify convection heat transfer, helps wing type radiator and other equipment to take away heat quickly, realizes cooling, the inside sliding connection of cooling fan 5 has horizontal slide rail 6, the side of horizontal slide rail 6 is fixedly connected with no.

[0033] The driving device 3 is located on the horizontal central axis of the protective cover 4, which is fixedly connected with the photovoltaic intelligent transformer body 1, a pair of horizontal sliding rails 6 are symmetrically arranged about the vertical central axis of the first fixed plate 7, which is fixedly connected with the photovoltaic intelligent transformer body 1, a pair of inclined sliding rails 10 are symmetrically arranged about the vertical central axis of the second fixed plate 11, which is fixedly connected with the photovoltaic intelligent transformer body 1, the diameter of the sliding ball 12 is the same as that of the sliding groove 13, a pair of sliding grooves 13 are symmetrically arranged about the vertical central axis of the air blowing guide plate 14, the guide plate rotating shaft 15 is rotationally connected with the photovoltaic intelligent transformer body 1, a pair of guide plate rotating shafts 15 are symmetrically arranged about the horizontal central axis of the heat dissipation fan 5, the gear rotating rod 18 is rotationally connected with the photovoltaic intelligent transformer body 1, the size of the first gear 17 is the same as that of the second gear 19, the movable fin 20 is rotationally connected with the photovoltaic intelligent transformer body 1, a pair of movable fins 20 are symmetrically arranged about the horizontal central axis of the fixed fin 21, the fixed fin 21 is fixedly connected with the photovoltaic intelligent transformer body 1, the fixed fin 21 is located on the horizontal central axis of the heat dissipation fan 5, the device spring 22 is fixedly connected to the top of the air blowing guide plate 14, the top of the device spring 22 is fixedly connected with the spring fixed plate 23, and the spring fixed plate 23 is fixedly connected with the photovoltaic intelligent transformer body 1.

[0034] Most of the existing photovoltaic intelligent transformers are installed outdoors, and the dust and dirt attached to the surface and key components can have a certain negative impact. Not only can it block the gap between the finned heat sink fins and the inlet of the heat dissipation fan 5, but also form a heat insulation layer on the surface of the fins to reduce the heat dissipation efficiency, causing the internal temperature to rise and aggravate insulation aging, causing high-temperature shutdown. In addition, the dust containing impurities can form a conductive path on the surface of the insulating sleeve and the shell coating in humid weather, reducing the insulation resistance and causing creepage or insulation breakdown. At the same time, the dust covering the temperature monitoring sensor can interfere with the data accuracy, causing the main control system to misjudge the control, in addition, if the dust enters the body, it can also contaminate the insulating oil and damage the insulation of the iron core winding, shorten the service life of the components, and ultimately may cause fire, explosion and other safety accidents due to heat dissipation failure and insulation failure, which seriously threatens the stable operation of the equipment. In order to solve this problem, the following design is made on the photovoltaic intelligent transformer with real-time temperature monitoring and self-regulation:

[0035] The photovoltaic intelligent transformer body 1 is equipped with a finned radiator, which is a heat exchange device that significantly improves heat dissipation efficiency by adding fins to the surface of the base pipe. The core design idea is to achieve rapid and efficient heat transfer by expanding the heat dissipation area and optimizing the airflow path. The finned radiator is used to transfer the temperature inside the photovoltaic intelligent transformer body 1 outward. When the photovoltaic intelligent transformer body 1 is in use, the temperature sensor 2 monitors the temperature inside the photovoltaic intelligent transformer body 1 in real time. When the temperature sensor 2 identifies that the temperature inside the photovoltaic intelligent transformer body 1 reaches a specified value, the temperature sensor 2 transmits a signal to the driving device 3, which drives the cooling fan 5 to move horizontally. At this time, the cooling fan 5 slides on the horizontal slide rail 6, and at the same time, the telescopic inner rod 9 slides on the inclined slide rail 10. Since the inclined slide rail 10 is inclined, the telescopic inner rod 9 slides towards the inside of the telescopic outer shell 8 during the horizontal movement of the cooling fan 5. The sliding ball 12 slides inside the sliding groove 13, and at this time, under the traction of the sliding ball 12, the air blowing guide plate 14 rotates counterclockwise around the guide plate shaft 15. At this time, the device spring 22 starts to lengthen, and with the movement of the air blowing guide plate 14, the device rack 16 starts to move, driving the first gear 17 to rotate clockwise, and the second gear 19 and the movable fin 20 to rotate counterclockwise. At this time, the wind power generated by the cooling fan 5 is gathered under the action of the air blowing guide plate 14, forming rapid directional cooling wind. At the same time, the opening formed by the movable fin 20 and the fixed fin 21 is used to receive the directional cooling wind, which is compressed and accelerated again, and the movable fin 20 and the fixed fin 21 are rapidly cooled.

[0036] The blowing guide plate 14 is arranged, when the temperature sensor 2 identifies that the device temperature exceeds a specified value, at this time, the heat dissipation fan 5 is controlled to be close to the fin, and the inclination angle of the blowing guide plate 14 is changed, so that the cooling air generated by the heat dissipation fan 5 can blow to the fin, and once acceleration is formed, and the movable fin 20 starts to rotate, the opening generated is used for receiving the accelerated cooling air generated by the heat dissipation fan 5, and the cooling air is extruded and accelerated again, through the secondary acceleration of the cooling air and the gathering air duct, the heat dissipation effect of the heat dissipation fan on the fin is strengthened, in the process of rotation of the fin, the angle between the cooling air and the fin changes in real time, the dirt existing on the fin can be effectively removed through the impact of different angles, the cleaning effect is realized, through the cooperation of the blowing guide plate 14, the heat dissipation fan 5 and the movable fin 20, the blowing guide plate 14 guides the cooling air to realize once acceleration, the movable fin 20 horn-shaped opening extrusion completes twice acceleration, and then the gathering air duct locks the airflow, so that the cooling air fully acts on the fin in a high-speed directional state, the heat dissipation efficiency of the photovoltaic intelligent transformer under high load is greatly improved, the extreme high-temperature heat dissipation bottleneck is broken, and in the process of rotation of the fin, the dynamic angle impact of the cooling air and the fin can automatically remove the dirt such as dust and debris on the surface and gap of the fin during outdoor operation, the functions of heat dissipation and cleaning are realized, the dust accumulation is avoided to weaken the heat dissipation effect, and the operation and maintenance cost and safety risk of manual dust removal are reduced, finally, the long-term stable operation of the transformer under complex outdoor conditions is ensured, and the high-temperature shutdown probability is reduced.

[0037] The protective cover 4 not only can guide the air duct, but also can protect the heat dissipation fan 5, the air duct guiding effect can reduce the diffusion of the cooling air blown by the heat dissipation fan 5 to the surrounding, the airflow is guided to flow to the fin area more concentratedly, cooperates with the acceleration structure formed by the blowing guide plate 14 and the movable fin 20, further improves the airflow utilization rate, strengthens the convective heat transfer effect of the high-speed cooling air on the fin, avoids the waste of heat dissipation caused by airflow dispersion, helps to break the extreme high-temperature heat dissipation bottleneck, the protection function can effectively isolate outdoor dust, fallen leaves, insects and other foreign matters, prevent them from entering the inside of the heat dissipation fan 5 to cause the fan blade to be stuck and the motor to be blocked, avoid the direct washing of rainwater on the fan motor to cause short circuit, slow down the aging erosion of the fan insulation layer and the fan blade material caused by the ultraviolet rays, high and low temperature and other harsh environments, reduce the fan failure probability, in addition, the mechanical damage of the fan caused by outdoor accidental collision can be avoided, the service life of the fan is prolonged, the heat dissipation failure risk caused by the damage of the fan is reduced, finally, the operation and maintenance frequency and cost are reduced, the heat dissipation system is ensured to operate stably for a long time, and the transformer is indirectly supported to work reliably continuously under complex outdoor environment.

[0038] The technical scope of the present application is not limited to the above description, and those skilled in the art can make various modifications and changes to the above embodiments without departing from the technical idea of the present application, and these modifications and changes should belong to the protection scope of the present application.

Claims

1. A real-time temperature monitoring and self-regulating photovoltaic intelligent transformer, characterized in that, Include: The photovoltaic intelligent transformer body, the top of the photovoltaic intelligent transformer body is fixedly connected with a temperature sensor, the side of the temperature sensor is fixedly connected with a driving device, the outer wall of the driving device is fixedly connected with a protective cover, the output end of the driving device is fixedly connected with a cooling fan, the inside of the cooling fan is slidably connected with a horizontal slide rail, the side of the horizontal slide rail is fixedly connected with a first fixed plate, the top of the cooling fan is fixedly connected with a telescopic shell, the inside of the telescopic shell is slidably connected with a telescopic inner rod, the inside of the telescopic inner rod is slidably connected with an inclined slide rail, the side of the inclined slide rail is fixedly connected with a second fixed plate, the top of the telescopic inner rod is fixedly connected with a sliding ball, the top of the sliding ball is slidably connected with a sliding groove, the sliding groove is arranged in the inside of the blowing guide plate, one side of the blowing guide plate is fixedly connected with a guide plate rotating shaft, the other side of the blowing guide plate is fixedly connected with a device rack, the outer wall of the device rack is engaged with a first gear, the side of the first gear is fixedly connected with a gear rotating rod, the bottom of the first gear is engaged with a second gear, the side of the second gear is fixedly connected with a movable fin, the bottom of the movable fin is provided with a fixed fin, the horizontal slide rail is symmetrically provided with a pair of vertical central axes about the first fixed plate, the first fixed plate is fixedly connected with the photovoltaic intelligent transformer body, the inclined slide rail is symmetrically provided with a pair of vertical central axes about the second fixed plate, the second fixed plate is fixedly connected with the photovoltaic intelligent transformer body, the guide plate rotating shaft is rotatably connected with the photovoltaic intelligent transformer body, the guide plate rotating shaft is symmetrically provided with a pair of horizontal central axes about the cooling fan, the gear rotating rod is rotatably connected with the photovoltaic intelligent transformer body, the size of the first gear is same with the size of the second gear, the movable fin is rotatably connected with the photovoltaic intelligent transformer body, the movable fin is symmetrically provided with a pair of horizontal central axes about the fixed fin, the fixed fin is fixedly connected with the photovoltaic intelligent transformer body, and the fixed fin is located on the horizontal central axis of the cooling fan.

2. The real-time temperature monitoring and self-regulating photovoltaic smart transformer according to claim 1, characterized in that: The driving device is located on the horizontal central axis of the protective cover, and the protective cover is fixedly connected with the photovoltaic intelligent transformer body.

3. The real time temperature monitoring and self regulating photovoltaic smart transformer as claimed in claim 1, wherein: The diameter of the sliding ball is same with the diameter of the sliding groove, and the sliding groove is symmetrically provided with a pair of vertical central axes about the blowing guide plate.

4. The real time temperature monitoring and self regulating photovoltaic smart transformer as claimed in claim 1, wherein: The top of the blowing guide plate is fixedly connected with a device spring, the top of the device spring is fixedly connected with a spring fixed plate, and the spring fixed plate is fixedly connected with the photovoltaic intelligent transformer body.

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