CN222483089U - Transformer oil liquid circulating device for hydropower station - Google Patents

Transformer oil liquid circulating device for hydropower station Download PDF

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Publication number
CN222483089U
CN222483089U CN202420532025.5U CN202420532025U CN222483089U CN 222483089 U CN222483089 U CN 222483089U CN 202420532025 U CN202420532025 U CN 202420532025U CN 222483089 U CN222483089 U CN 222483089U
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circulation
circulation box
box
oil
heat dissipation
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CN202420532025.5U
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陈世登
邓学菊
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Chongqing Chengkou County Dengyu Hydropower Development Co ltd
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Chongqing Chengkou County Dengyu Hydropower Development Co ltd
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Abstract

The utility model relates to the technical field of transformers of hydropower stations, in particular to a transformer oil liquid circulating device of a hydropower station, which comprises a first circulating tank, wherein the bottom end of the first circulating tank is provided with a second circulating tank, the bottom of second circulation case is provided with the third circulation case, the bottom left side fixed mounting of third circulation case has the circulating pump. According to the utility model, through the cooperation use among the first circulation tank, the second circulation tank, the third circulation tank, the capillary tube and the heat conducting plate, the temperature sensor is used for detecting the water temperature in the first circulation tank, if the water temperature is higher than the oil temperature of the transformer, the transformer oil is sent into the second circulation tank for circulation cooling, if the water temperature in the first circulation tank is lower than the oil temperature of the transformer, the transformer oil is sent into the first circulation tank again for circulation cooling, and according to the mode, the entering position of the transformer oil can be intelligently adjusted during cooling, so that the temperature cooling efficiency of the transformer oil is higher.

Description

Transformer oil liquid circulating device for hydropower station
Technical Field
The utility model relates to the technical field of transformers of hydropower stations, in particular to a transformer oil liquid circulating device of a hydropower station.
Background
The transformer oil liquid circulating device of the hydropower station is an important component for maintaining the normal operation of the transformer and guaranteeing the performance of the transformer, and the system cools the transformer by circulating insulating oil and is also beneficial to the stability of an insulating system.
The utility model discloses a transformer tank with accelerated heat dissipation as disclosed in the authority bulletin number CN216849568U, it includes the transformer tank, is equipped with the roof at the top of transformer tank, is equipped with the fin all around, is equipped with the winding in the transformer tank, is equipped with the terminal on the roof, and the terminal inserts in the transformer tank, in the upper portion of transformer tank, between winding core and the terminal, is equipped with the cooling disk. After the technical scheme is adopted, the oil cooling device has the beneficial effects that cold air or air is introduced into the heat-dissipating coil, so that heat in the heat-dissipating coil is taken away, and oil at the top of the transformer oil tank is cooled.
The device has simple structure and reasonable design, can meet the requirements of users, and has great popularization value;
however, the above patent suffers from the following disadvantages:
Above-mentioned transformer tank is in cooling coil pipe in letting in cold air or blowing to take away the heat in the cooling coil pipe to cool off the fluid at transformer tank top, but through air cooling inefficiency, if use the water-cooling mode to cool down, after the water carries out cooling once, its temperature is difficult to drop fast, and during the secondary circulation, it is limited to make cooling efficiency.
Disclosure of utility model
The utility model aims to provide a transformer oil liquid circulating device for a hydropower station, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
A transformer oil liquid circulating device for a hydropower station comprises
The circulating system comprises a first circulating box, wherein a second circulating box is arranged at the bottom end of the first circulating box, a third circulating box is arranged at the bottom end of the second circulating box, and a circulating pump is fixedly arranged at the left side of the bottom end of the third circulating box;
the first circulation box, the second circulation box and the third circulation box are communicated with the circulation pump through oil inlet pipes, and one ends of the first circulation box, the second circulation box and the third circulation box, which are far away from the oil inlet pipes, are communicated with oil return pipes;
and the first circulation box, the second circulation box and the third circulation box are respectively provided with a heat dissipation mechanism, and the heat dissipation mechanisms comprise heat-conducting plates, capillary tubes and heat dissipation chambers.
Preferably, the oil inlet pipe and the oil return pipe are positioned at one end of the inside of the first circulation box, one end of the inside of the second circulation box and one end of the inside of the third circulation box are communicated through capillary tubes, heat dissipation chambers are respectively arranged in the first circulation box, the inside of the second circulation box and the inside of the third circulation box, a plurality of heat conduction plates are sequentially arranged in the three heat dissipation chambers from top to bottom, and the capillary tubes are sleeved with the heat conduction plates;
Preferably, the first circulation box, the second circulation box and the third circulation box are fixedly provided with a plurality of ceramic plates outside two sides of the first circulation box, the second circulation box and the third circulation box, which are far away from the oil inlet pipe and the oil return pipe, a heat dissipation cover is arranged outside the ceramic plates, and a fan is arranged inside the heat dissipation cover and is close to one side of the ceramic plates;
Preferably, the top ends of one sides of the first circulation tank, the second circulation tank and the third circulation tank, which are close to the circulation pump, are communicated with temperature sensors, and electromagnetic valves are arranged between the oil inlet pipe and the oil return pipe and between the oil inlet pipe and the first circulation tank, between the oil inlet pipe and the oil return pipe, and between the oil inlet pipe and the first circulation tank and the third circulation tank;
preferably, the middle parts of one sides of the first circulation box, the second circulation box and the third circulation box, which are far away from the temperature sensor, are communicated with a liquid level sensor, a water inlet pipe is arranged above the liquid level sensor, and a water outlet pipe is arranged below the liquid level sensor;
Preferably, a plurality of dust covers are sequentially arranged on the outer side of the heat dissipation cover from top to bottom, and the number of the dust covers is the same as that of the fans and the dust covers are opposite to the fans.
Compared with the prior art, the utility model has the beneficial effects that:
1. This power station transformer oil liquid circulating device uses through the cooperation between first circulation tank, the second circulation tank, the third circulation tank, capillary and the heat conduction board, detect the inside temperature of first circulation tank through temperature sensor, if the temperature is higher than when transformer oil temperature, send into transformer oil in the second circulation tank and carry out circulative cooling, if the inside temperature of first circulation tank is less than the transformer has the oil temperature, send into transformer oil again in the first circulation tank and carry out circulative cooling, according to above-mentioned mode, when the cooling, can intelligent adjustment transformer oil entering position, the temperature cooling efficiency of transformer oil is higher like this.
2. This power station transformer oil liquid circulating device uses through the cooperation between radiator hood, fan, temperature sensor and the ceramic plate, after the temperature in first circulation case absorbs heat, through temperature sensor monitoring, then control the fan start of corresponding position, reduce the inside temperature of first circulation case after the fan starts, and the normal position of temperature need not reduce the temperature through the fan, can the energy saving like this.
Drawings
FIG. 1 is a schematic diagram of the overall front view structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of a heat dissipating cover according to the present utility model;
FIG. 3 is a schematic view of a heat dissipation chamber according to the present utility model;
FIG. 4 is an enlarged schematic view of FIG. 2A in accordance with the present utility model;
fig. 5 is an enlarged schematic view of fig. 3B in accordance with the present utility model.
In the figure, 1, a first circulation box, 2, a second circulation box, 3, a third circulation box, 4, a circulation pump, 5, an oil inlet pipe, 6, an oil return pipe, 7, a heat dissipation mechanism, 701, a heat conducting plate, 702, a capillary tube, 703, a heat dissipation chamber, 8, a ceramic plate, 9, a heat dissipation cover, 10, a fan, 11, a temperature sensor, 12, an electromagnetic valve, 13, a liquid level sensor, 14, a water inlet pipe, 15, a water outlet pipe, 16 and a dust cover.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-5, the present utility model provides a technical solution:
The transformer oil liquid circulating device of the hydropower station comprises a first circulating box 1, wherein a second circulating box 2 is arranged at the bottom end of the first circulating box 1, a third circulating box 3 is arranged at the bottom end of the second circulating box 2, and a circulating pump 4 is fixedly arranged at the left side of the bottom end of the third circulating box 3; the first circulation box 1, the second circulation box 2 and the third circulation box 3 are communicated with the circulation pump 4 through oil inlet pipes 5, one ends of the first circulation box 1, the second circulation box 2 and the third circulation box 3, which are far away from the oil inlet pipes 5, are communicated with oil return pipes 6, heat dissipation mechanisms 7 are arranged in the first circulation box 1, the second circulation box 2 and the third circulation box 3, each heat dissipation mechanism 7 comprises a heat conduction plate 701, a capillary 702 and a heat dissipation chamber 703, the oil inlet pipes 5 and the oil return pipes 6 are positioned in the first circulation box 1, the second circulation box 2 and the third circulation box 3, one ends of the oil return pipes 702 are communicated with each other, heat dissipation chambers 703 are respectively arranged in the first circulation box 1, the second circulation box 2 and the third circulation box 3, a plurality of heat conduction plates 701 are sequentially arranged in the three heat dissipation chambers 703 from top to bottom, and the capillary 702 are sleeved with the heat conduction plates 701;
In this embodiment, during operation, the oil pumping port of the circulating pump 4 is connected with the oil outlet end of the transformer, then the transformer oil is sent into the first circulating tank 1 for circulating cooling and then used, during secondary cooling, the temperature sensor 11 detects the water temperature inside the first circulating tank 1, if the water temperature is higher than the transformer oil temperature, the transformer oil is sent into the second circulating tank 2 for circulating cooling, if the water temperature inside the first circulating tank 1 is lower than the oil temperature of the transformer, the transformer oil is sent into the first circulating tank 1 again for circulating cooling, according to the above mode, during cooling, the entering position of the transformer oil can be intelligently adjusted, and thus the temperature cooling efficiency of the transformer oil is higher.
As shown in fig. 2 and 3, a plurality of ceramic plates 8 are fixedly arranged outside two sides of the first circulation box 1, the second circulation box 2 and the third circulation box 3 far away from the oil inlet pipe 5 and the oil return pipe 6, a heat dissipation cover 9 is arranged outside the ceramic plates 8 of the first circulation box 1, the second circulation box 2 and the third circulation box 3, and a fan 10 is arranged inside the heat dissipation cover 9 and at one side close to the ceramic plates 8;
In this embodiment, after the water temperature in the first circulation tank 1 absorbs heat, the temperature sensor 11 monitors the water temperature, and then the fan 10 at the corresponding position is controlled to start, after the fan 10 is started, the water temperature in the first circulation tank 1 is reduced, and the position with normal water temperature is not cooled by the fan 10, so that energy can be saved.
As shown in fig. 2, the top ends of one side, close to the circulating pump 4, of the first circulating box 1, the second circulating box 2 and the third circulating box 3 are respectively communicated with a temperature sensor 11, and electromagnetic valves 12 are respectively arranged between the oil inlet pipe 5 and the oil return pipe 6 and the first circulating box 1, the second circulating box 2 and the third circulating box 3;
In this embodiment, the electromagnetic valves 12 provided between the oil inlet pipe 5 and the oil return pipe 6 and the first circulation tank 1, the second circulation tank 2 and the third circulation tank 3 are used for switching passages so that transformer oil can enter the heat dissipation chamber 703 at the corresponding positions for cooling.
As shown in fig. 2, the middle part of one side of the first circulation box 1, the second circulation box 2 and the third circulation box 3 far away from the temperature sensor 11 is communicated with a liquid level sensor 13, a water inlet pipe 14 is arranged above the liquid level sensor 13, and a water outlet pipe 15 is arranged below the liquid level sensor 13;
In this embodiment, the liquid level sensors 13 on the first, second and third circulation tanks 1, 2 and 3 are used to monitor the water levels therein, and the water is replenished from the water inlet pipe 14 when the water level is insufficient, and the water inside the first, second and third circulation tanks 1, 2 and 3 can be replaced after being discharged through the water outlet pipe 15.
As shown in fig. 1, a plurality of dust covers 16 are sequentially arranged on the outer side of the heat dissipation cover 9 from top to bottom, and the number of the dust covers 16 is the same as that of the fans 10 and the dust covers are opposite to each other;
in this embodiment, the heat dissipation cover 9 is provided with a corresponding dust cover 16 near the outside of the fan 10, so that external dust can be prevented from entering the heat dissipation cover 9, and the heat dissipation effect is prevented from being affected.
The working principle is that when the oil pumping port of the circulating pump 4 is connected with the oil outlet of a transformer, transformer oil is sent into the first circulating box 1 for circulating cooling and then used, when the temperature sensor 11 detects the water temperature in the first circulating box 1 during secondary cooling, if the water temperature is higher than the transformer oil temperature, transformer oil is sent into the second circulating box 2 for circulating cooling, if the water temperature in the first circulating box 1 is lower than the oil temperature of the transformer, transformer oil is sent into the first circulating box 1 again for circulating cooling, according to the mode, the entering position of the transformer oil can be intelligently adjusted during cooling, so that the temperature cooling efficiency of the transformer oil is higher, when the water temperature in the first circulating box 1 absorbs heat, the temperature sensor 11 is used for monitoring, then the fan 10 at the corresponding position is controlled to start, the water temperature in the first circulating box 1 is reduced after the fan 10 is started, and the normal position of the water temperature is not cooled through the fan 10, so that energy can be saved.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1.一种水电站变压器油液循环装置,其特征在于:包括1. A transformer oil circulation device for a hydropower station, characterized in that: 第一循环箱(1),所述第一循环箱(1)的底端设置有第二循环箱(2),所述第二循环箱(2)的底端设置有第三循环箱(3),所述第三循环箱(3)的底端左侧固定安装有循环泵(4);A first circulation box (1), wherein a second circulation box (2) is disposed at the bottom end of the first circulation box (1), a third circulation box (3) is disposed at the bottom end of the second circulation box (2), and a circulation pump (4) is fixedly installed on the left side of the bottom end of the third circulation box (3); 所述第一循环箱(1)、第二循环箱(2)和第三循环箱(3)与循环泵(4)之间通过进油管(5)相连通,所述第一循环箱(1)、第二循环箱(2)和第三循环箱(3)远离进油管(5)的一端连通有回油管(6);The first circulation box (1), the second circulation box (2) and the third circulation box (3) are connected to the circulation pump (4) via an oil inlet pipe (5); and the ends of the first circulation box (1), the second circulation box (2) and the third circulation box (3) away from the oil inlet pipe (5) are connected to an oil return pipe (6); 所述第一循环箱(1)、第二循环箱(2)和第三循环箱(3)的内部均设置有散热机构(7),所述散热机构(7)包括有导热板(701)、毛细管(702)和散热室(703)。The first circulation box (1), the second circulation box (2) and the third circulation box (3) are all provided with a heat dissipation mechanism (7) inside, and the heat dissipation mechanism (7) comprises a heat conduction plate (701), a capillary tube (702) and a heat dissipation chamber (703). 2.根据权利要求1所述的一种水电站变压器油液循环装置,其特征在于:所述进油管(5)与回油管(6)位于第一循环箱(1)、第二循环箱(2)和第三循环箱(3)的内部一端均通过毛细管(702)相连通,所述第一循环箱(1)、第二循环箱(2)和第三循环箱(3)的内部均开设散热室(703),三个所述散热室(703)的内部均从上往下依次设置若干个导热板(701),所述毛细管(702)与导热板(701)套接。2. A transformer oil circulation device for a hydropower station according to claim 1, characterized in that: the oil inlet pipe (5) and the oil return pipe (6) are located at one end inside the first circulation box (1), the second circulation box (2) and the third circulation box (3) and are connected through a capillary (702); a heat dissipation chamber (703) is provided inside the first circulation box (1), the second circulation box (2) and the third circulation box (3); a plurality of heat conduction plates (701) are arranged in sequence from top to bottom inside the three heat dissipation chambers (703); and the capillary (702) is sleeved with the heat conduction plate (701). 3.根据权利要求1所述的一种水电站变压器油液循环装置,其特征在于:所述第一循环箱(1)、第二循环箱(2)和第三循环箱(3)远离进油管(5)和回油管(6)的两侧外部均固定安装有若干个陶瓷板(8),所述第一循环箱(1)、第二循环箱(2)和第三循环箱(3)位于陶瓷板(8)的外部设置有散热罩(9),所述散热罩(9)内部靠近陶瓷板(8)的一侧设置有风扇(10)。3. A transformer oil circulation device for a hydropower station according to claim 1, characterized in that: a plurality of ceramic plates (8) are fixedly installed on the outside of the first circulation box (1), the second circulation box (2) and the third circulation box (3) on both sides away from the oil inlet pipe (5) and the oil return pipe (6), and a heat dissipation cover (9) is arranged on the outside of the ceramic plate (8) of the first circulation box (1), the second circulation box (2) and the third circulation box (3), and a fan (10) is arranged on the inside of the heat dissipation cover (9) on the side close to the ceramic plate (8). 4.根据权利要求1所述的一种水电站变压器油液循环装置,其特征在于:所述第一循环箱(1)、第二循环箱(2)和第三循环箱(3)靠近循环泵(4)的一侧顶端均连通有温度传感器(11),所述进油管(5)和回油管(6)与第一循环箱(1)、第二循环箱(2)和第三循环箱(3)之间均设置有电磁阀(12)。4. A transformer oil circulation device for a hydropower station according to claim 1, characterized in that: the top of the first circulation box (1), the second circulation box (2) and the third circulation box (3) close to the circulation pump (4) are all connected to a temperature sensor (11), and solenoid valves (12) are provided between the oil inlet pipe (5) and the oil return pipe (6) and the first circulation box (1), the second circulation box (2) and the third circulation box (3). 5.根据权利要求4所述的一种水电站变压器油液循环装置,其特征在于:所述第一循环箱(1)、第二循环箱(2)和第三循环箱(3)远离温度传感器(11)的一侧中部连通有液位传感器(13),所述液位传感器(13)的上方设置有进水管(14),所述液位传感器(13)的下方设置有出水管(15)。5. A transformer oil circulation device for a hydropower station according to claim 4, characterized in that: a liquid level sensor (13) is connected to the middle of the side of the first circulation box (1), the second circulation box (2) and the third circulation box (3) away from the temperature sensor (11), and a water inlet pipe (14) is arranged above the liquid level sensor (13), and a water outlet pipe (15) is arranged below the liquid level sensor (13). 6.根据权利要求3所述的一种水电站变压器油液循环装置,其特征在于:所述散热罩(9)的外侧从上往下依次安装有若干个防尘罩(16),所述防尘罩(16)与风扇(10)的数量相同且两两相对。6. A transformer oil circulation device for a hydropower station according to claim 3, characterized in that: a plurality of dust covers (16) are sequentially installed on the outer side of the heat dissipation cover (9) from top to bottom, and the number of the dust covers (16) is the same as that of the fans (10) and they are opposite to each other.
CN202420532025.5U 2024-03-18 2024-03-18 Transformer oil liquid circulating device for hydropower station Active CN222483089U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202420532025.5U CN222483089U (en) 2024-03-18 2024-03-18 Transformer oil liquid circulating device for hydropower station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202420532025.5U CN222483089U (en) 2024-03-18 2024-03-18 Transformer oil liquid circulating device for hydropower station

Publications (1)

Publication Number Publication Date
CN222483089U true CN222483089U (en) 2025-02-14

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ID=94499314

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Application Number Title Priority Date Filing Date
CN202420532025.5U Active CN222483089U (en) 2024-03-18 2024-03-18 Transformer oil liquid circulating device for hydropower station

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CN (1) CN222483089U (en)

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