Novel rubber insulated dry-type power transformer

Abstract

The utility model relates to the technical field of dry-type power transformers, and discloses a novel rubber insulation dry-type power transformer. Comprising a heat dissipation mechanism, a main body mechanism is arranged on the surface of the heat dissipation mechanism, a box body mechanism is arranged outside the main body mechanism, the heat dissipation mechanism is located in the box body mechanism, and the main body mechanism is located on the left side of the heat dissipation mechanism. When a temperature sensor on the sensing module detects that the temperature in the box shell is increased, a signal is transmitted to the control module, the control module controls the air blower to start through a program set in advance, pressurized air is blown to the rubber shell from the air outlet, and after the pressurized air enters the cooling air channel, heat dissipation is conducted on the interior and the exterior of the rubber shell, so that heat dissipation is achieved. And meanwhile, pressurized air can also penetrate through gaps among the low-voltage coil, the high-voltage coil and the iron core to take out heat in the gaps, and then the heat is blown out from the heat dissipation openings, so that the effect of enhancing the heat dissipation capability is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of dry-type power transformers, in particular to a novel rubber-insulated dry-type power transformer. Background Art

[0002] Dry-type transformer is a common type of transformer. Its main feature is that the insulating medium uses dry air or gas instead of oil. Since dry-type transformer does not use oil, it has the advantages of good fire resistance, no pollution, easy maintenance, etc., and has been widely used in some special environments.

[0003] At present, most of the new rubber-insulated dry-type power transformers on the market require manual opening and closing of the blower, which not only fails to dissipate heat for the transformer according to the actual situation, but also wastes resources due to long-term operation. At the same time, most transformers have poor insulation effects on the box. Therefore, we propose a new rubber-insulated dry-type power transformer. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a novel rubber-insulated dry-type power transformer, including a heat dissipation mechanism, a main body mechanism is arranged on the surface of the heat dissipation mechanism, a box mechanism is arranged on the outside of the main body mechanism, the heat dissipation mechanism is located inside the box mechanism, and the main body mechanism is located on the left side of the heat dissipation mechanism. The heat dissipation mechanism includes a control module, a control screen is fixedly connected to the right side of the control module, a sensing module is fixedly connected to the top of the control module, a blower is fixedly connected to the lower end of the control module, a plurality of air outlets are opened on the top of the blower, and a temperature sensor is fixedly connected to the left side of the sensing module.

[0005] Through the above technical solution, the heat dissipation mechanism is improved.

[0006] As a further improvement of the above scheme, the main body mechanism includes two bases, the surface of the base is provided with a plurality of fixing holes, the fixing holes are slidably connected with bolts, the top of the base is fixedly connected with a plurality of rubber gaskets, the top of the rubber gasket is fixedly connected with three rubber shells, the bottom of the rubber shell is provided with a cooling air duct, the inside of the rubber shell is fixedly connected with a low-voltage coil, the inside of the low-voltage coil is fixedly connected with a high-voltage coil, the inside of the high-voltage coil is fixedly connected with an iron core, the surface of the rubber shell is fixedly connected with a plurality of high-voltage taps, the surface of the rubber shell is clamped with a plurality of high-voltage connecting rods, the top of the rubber shell is fixedly connected with four rubber gaskets, the rubber gasket is fixedly connected with two fixing blocks away from the top of the rubber shell, the low-voltage coil and the top of the high-voltage coil are fixedly connected with a low-voltage outlet copper sheet, and the front end of the fixed block is fixedly connected with three high-voltage terminals.

[0007] Through the above technical solution, the main structure is improved, and a cooling air duct is opened at the bottom of the rubber shell to avoid the situation where the rubber shell is too thick and the heat dissipation is uneven.

[0008] As a further improvement of the above solution, the high-voltage terminal is clamped to the surface of the rubber shell through a high-voltage connecting rod, the low-voltage outlet copper sheet is located behind the fixed block, the high-voltage connecting rod is located in front of the rubber shell, and the blower is located between the two bases.

[0009] Through the above technical solution, the rubber shell is provided to improve the insulation performance of the device.

[0010] As a further improvement of the above solution, the blower is located on the left side of the control module, the rubber shell is located above the blower, and the control module is located on the right side of the rubber shell.

[0011] Through the above technical solution, a blower is provided to dissipate heat from the device.

[0012] As a further improvement of the above scheme, the box structure includes a box shell, a surface of the box shell is provided with a plurality of heat dissipation ports, a box door is provided at the front end of the box shell, a handle is fixedly connected to the surface of the box door, three high-voltage line inlet holes are provided on the surface of the box door, three low-voltage line outlets are provided at the rear end of the box shell, and a rubber insulation layer is fixedly connected to the inner wall of the box shell.

[0013] Through the above technical solution, the box structure is improved.

[0014] As a further improvement of the above scheme, the size of the high-voltage wire inlet hole is compatible with the size of the high-voltage terminal, the high-voltage wire inlet hole is located above the handle, the low-voltage wire outlet is located above the heat dissipation port, the lower end of the bolt is threadedly connected to the inner wall of the box shell, the size of the low-voltage wire outlet is compatible with the size of the low-voltage wire outlet copper sheet, the control screen passes through the rubber insulation layer and extends to the outer surface of the box shell, and the control screen is located on the right side of the box shell.

[0015] Through the above technical solution, a rubber insulating layer is arranged on the inner wall of the box shell to insulate the box shell.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The utility model is set up such that when the temperature sensor on the sensing module detects that the temperature inside the box shell becomes high, the signal is transmitted to the control module. The control module controls the blower to start through a pre-set program, and blows the pressurized air from the air outlet to the rubber shell. After the pressurized air enters the cooling air duct, the inside and outside of the rubber shell are cooled. At the same time, the pressurized air will also pass through the gap between the low-voltage coil, the high-voltage coil and the iron core, take out the heat therein, and then blow it out from the heat dissipation port, so as to achieve the effect of enhancing the heat dissipation capacity.

[0018] Through the arrangement of the utility model, the staff can control the blower through the operation control screen, wherein the rubber shell and the rubber insulating layer improve the insulation performance of the device, thereby ensuring the personal safety of the staff during construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the back structure of the box mechanism of the utility model;

[0021] Figure 3 This is a schematic diagram of the three-dimensional structure of the main mechanism of the utility model;

[0022] Figure 4 It is a schematic diagram of the cross-sectional structure of the heat dissipation mechanism of the utility model.

[0023] In the figure: 1. heat dissipation mechanism; 101. control module; 102. control screen; 103. induction module; 104. blower; 105. air outlet; 106. temperature sensor; 2. main body mechanism; 201. base; 202. fixing hole; 203. bolt; 204. rubber shell; 205. cooling air duct; 206. low voltage coil; 207. high voltage coil; 208. iron core; 209. high voltage tap; 210. high voltage connecting rod; 211. fixing block; 212. low voltage outlet copper sheet; 213. high voltage terminal; 214. rubber gasket; 3. box mechanism; 301. box shell; 302. heat dissipation port; 303. box door; 304. handle; 305. high voltage inlet hole; 306. low voltage outlet port; 307. rubber insulation layer. DETAILED DESCRIPTION

[0024] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment. Example

[0025] Please combine Figure 1-4A novel rubber-insulated dry-type power transformer of the present embodiment includes a heat dissipation mechanism 1, a main body mechanism 2 is arranged on the surface of the heat dissipation mechanism 1, a box mechanism 3 is arranged outside the main body mechanism 2, the heat dissipation mechanism 1 is located inside the box mechanism 3, the main body mechanism 2 is located on the left side of the heat dissipation mechanism 1, the heat dissipation mechanism 1 includes a control module 101, a control screen 102 is fixedly connected to the right side of the control module 101, a sensing module 103 is fixedly connected to the top of the control module 101, a blower 104 is fixedly connected to the lower end of the control module 101, a plurality of air outlets 105 are opened on the top of the blower 104, and a plurality of air outlets 105 are opened on the top of the sensing module 103. A temperature sensor 106 is fixedly connected on the left side. When the temperature sensor 106 on the sensing module 103 detects that the temperature inside the box shell 301 becomes high, the signal is transmitted to the control module 101. The control module 101 controls the blower 104 to start through a pre-set program, and blows the pressurized air from the air outlet 105 to the rubber shell 204. After the pressurized air enters the cooling air duct 205, the inside and outside of the rubber shell 204 are cooled. At the same time, the pressurized air will also pass through the gap between the low-voltage coil 206, the high-voltage coil 207 and the iron core 208, take out the heat therein, and then blow it out from the heat dissipation port 302, so as to achieve the effect of enhancing the heat dissipation capacity.

[0026] The main body 2 includes two bases 201, the surface of the base 201 is provided with a plurality of fixing holes 202, the fixing holes 202 are slidably connected with bolts 203, the top of the base 201 is fixedly connected with a plurality of rubber gaskets 214, the top of the rubber gasket 214 is fixedly connected with three rubber shells 204, the bottom of the rubber shell 204 is provided with a cooling air duct 205, the inside of the rubber shell 204 is fixedly connected with a low-voltage coil 206, the inside of the low-voltage coil 206 is fixedly connected with a high-voltage coil 207, and the high-voltage coil 207 is fixedly connected with the cooling air duct 205. An iron core 208 is fixedly connected inside, a plurality of high-voltage taps 209 are fixedly connected to the surface of the rubber shell 204, a plurality of high-voltage connecting rods 210 are clamped on the surface of the rubber shell 204, four rubber gaskets 214 are fixedly connected to the top of the rubber shell 204, two fixing blocks 211 are fixedly connected to the rubber gasket 214 away from the top of the rubber shell 204, a low-voltage outlet copper sheet 212 is fixedly connected to the top of the low-voltage coil 206 and the high-voltage coil 207, and three high-voltage terminals 213 are fixedly connected to the front end of the fixing block 211.

[0027] The high voltage terminal 213 is clamped to the surface of the rubber housing 204 through the high voltage connecting rod 210 , the low voltage outlet copper sheet 212 is located behind the fixing block 211 , the high voltage connecting rod 210 is located in front of the rubber housing 204 , and the blower 104 is located between the two bases 201 .

[0028] The blower 104 is located on the left side of the control module 101 , the rubber housing 204 is located above the blower 104 , and the control module 101 is located on the right side of the rubber housing 204 .

[0029] The box mechanism 3 includes a box shell 301, a surface of which is provided with a plurality of heat dissipation openings 302, a front end of the box shell 301 is provided with a box door 303, a surface of which is fixedly connected with a handle 304, a surface of which is provided with three high-voltage line inlet holes 305, a rear end of the box shell 301 is provided with three low-voltage line outlets 306, and an inner wall of the box shell 301 is fixedly connected with a rubber insulating layer 307, and a staff member can control the blower 104 by operating the control screen 102, wherein the rubber shell 204 and the rubber insulating layer 307 improve the insulation performance of the device, thereby ensuring the personal safety of the staff member when maintaining the main mechanism 2.

[0030] The size of the high-voltage wire inlet hole 305 is compatible with the size of the high-voltage terminal 213, and the high-voltage wire inlet hole 305 is located above the handle 304. The low-voltage wire outlet 306 is located above the heat dissipation port 302. The lower end of the bolt 203 is threadedly connected to the inner wall of the box shell 301. The size of the low-voltage wire outlet 306 is compatible with the size of the low-voltage wire outlet copper sheet 212. The control screen 102 passes through the rubber insulating layer 307 and extends to the outer surface of the box shell 301. The control screen 102 is located on the right side of the box shell 301.

[0031] The implementation principle of a new type of rubber-insulated dry-type power transformer in the embodiment of the present application is as follows: first, the staff needs to extend the cables through the low-voltage outlet 306 and the high-voltage inlet 305 to the inside of the box shell 301, and then connect them to the low-voltage outlet copper sheet 212 and the high-voltage terminal 213 respectively before starting the voltage transformation work. When the temperature sensor 106 on the sensing module 103 detects that the temperature inside the box shell 301 becomes high, the signal is transmitted to the control module 101, and the control module 101 controls the voltage through the pre-set program. The blower 104 is started and the pressurized air is blown from the air outlet 105 to the rubber shell 204. After the pressurized air enters the cooling air duct 205, the heat is dissipated inside and outside the rubber shell 204. At the same time, the pressurized air will also pass through the wind gaps between the low-voltage coil 206, the high-voltage coil 207 and the iron core 208, take out the heat, and then blown out from the heat dissipation port 302 to play a role in heat dissipation. At the same time, the blower 104 can also be manually controlled by operating the control screen 102, wherein the rubber shell 204 and the rubber insulation layer 307 improve the insulation performance of the device.

[0032] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A novel rubber-insulated dry-type power transformer, comprising a heat dissipation mechanism (1), characterized in that: The surface of the heat dissipation mechanism (1) is provided with a main body mechanism (2), the outside of the main body mechanism (2) is provided with a box mechanism (3), the heat dissipation mechanism (1) is located inside the box mechanism (3), the main body mechanism (2) is located on the left side of the heat dissipation mechanism (1), the heat dissipation mechanism (1) comprises a control module (101), the right side of the control module (101) is fixedly connected to a control screen (102), the top of the control module (101) is fixedly connected to a sensing module (103), the lower end of the control module (101) is fixedly connected to a blower (104), the top of the blower (104) is provided with a plurality of air outlets (105), and the left side of the sensing module (103) is fixedly connected to a temperature sensor (106).

2. A novel rubber-insulated dry-type power transformer according to claim 1, characterized in that: The main body mechanism (2) comprises two bases (201), the surface of the base (201) is provided with a plurality of fixing holes (202), the fixing holes (202) are slidably connected with bolts (203) inside, the top of the base (201) is fixedly connected with a plurality of rubber gaskets (214), the top of the rubber gasket (214) is fixedly connected with three rubber shells (204), the bottom of the rubber shell (204) is provided with a cooling air duct (205), the inside of the rubber shell (204) is fixedly connected with a low-voltage coil (206), the inside of the low-voltage coil (206) is fixedly connected with a high-voltage coil (207), and the high-voltage coil ( The inside of the rubber housing (207) is fixedly connected to an iron core (208), the surface of the rubber housing (204) is fixedly connected to a plurality of high-voltage taps (209), the surface of the rubber housing (204) is clamped with a plurality of high-voltage connecting rods (210), the top of the rubber housing (204) is fixedly connected to four rubber gaskets (214), the rubber gaskets (214) are fixedly connected to two fixing blocks (211) away from the top of the rubber housing (204), the low-voltage coil (206) and the top of the high-voltage coil (207) are fixedly connected to a low-voltage outlet copper sheet (212), and the front end of the fixing block (211) is fixedly connected to three high-voltage terminals (213).

3. A novel rubber-insulated dry-type power transformer according to claim 2, characterized in that: The high-voltage terminal (213) is clamped to the surface of the rubber housing (204) via a high-voltage connecting rod (210); the low-voltage outlet copper sheet (212) is located behind the fixing block (211); the high-voltage connecting rod (210) is located in front of the rubber housing (204); and the blower (104) is located between the two bases (201).

4. A novel rubber-insulated dry-type power transformer according to claim 3, characterized in that: The blower (104) is located on the left side of the control module (101), the rubber housing (204) is located above the blower (104), and the control module (101) is located on the right side of the rubber housing (204).

5. A novel rubber-insulated dry-type power transformer according to claim 2, characterized in that: The box structure (3) comprises a box shell (301), a surface of the box shell (301) is provided with a plurality of heat dissipation openings (302), a front end of the box shell (301) is provided with a box door (303), a surface of the box door (303) is fixedly connected with a handle (304), a surface of the box door (303) is provided with three high-voltage wire inlet holes (305), a rear end of the box shell (301) is provided with three low-voltage wire outlets (306), an inner wall of the box shell (301) is fixedly connected with a rubber insulating layer (307), and a lower end of the bolt (203) is threadedly connected to the inner wall of the box shell (301).

6. A novel rubber-insulated dry-type power transformer according to claim 5, characterized in that: The size of the high-voltage wire inlet hole (305) matches the size of the high-voltage terminal (213), and the high-voltage wire inlet hole (305) is located above the handle (304). The low-voltage wire outlet (306) is located above the heat dissipation port (302), and the size of the low-voltage wire outlet (306) matches the size of the low-voltage wire outlet copper sheet (212). The control screen (102) penetrates the rubber insulating layer (307) and extends to the outer surface of the box shell (301), and the control screen (102) is located on the right side of the box shell (301).

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