CN210805455U

CN210805455U - Oil-immersed transformer

Info

Publication number: CN210805455U
Application number: CN201922304134.3U
Authority: CN
Inventors: 王彦; 武林; 李亚洲; 贾飞早; 赵荣群
Original assignee: Jiangsu Zhongmeng Electric Equipment Co ltd
Current assignee: Jiangsu Zhongmeng Electric Equipment Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-06-19
Anticipated expiration: 2029-12-20

Abstract

The utility model discloses an oil-immersed transformer, which comprises a transformer main body, an oil tank and a water-cooling circulating pump, wherein the inside of a cooling base is spirally provided with a water-cooling circulating pipe, and the input end and the output end of the water-cooling circulating pipe are respectively communicated and connected with the output end and the input end of the water-cooling circulating pump; the top of oil tank communicates with each other and is connected with the oiling pipe, the input of oiling pipe communicates with each other and is connected with the rose box, the inside sealed pad of seting up the cross hole that is provided with of filling opening, the top of filling opening is provided with the spiral sealing lid. This oil-immersed transformer has improved the radiating effect when moving the transformer greatly, avoids transformer output input connection's circuit to lead to accelerating the phenomenon of ageing speed to take place because of the not good phenomenon of heat dissipation to add the inside fluid filtration back of oil tank and add, avoid sneaking into the probability of impurity in the fluid and take place, avoid the phenomenon emergence that impurity in the fluid caused the trouble to the transformer structure.

Description

Oil-immersed transformer

Technical Field

The utility model relates to a transformer technical field specifically is an oil-immersed transformer.

Background

Inside transformer oil that has been full of oil-immersed transformer, equipment such as transformer soak in transformer oil, because transformer oil has high insulating properties and drainability, consequently, oil-immersed transformer can effectively improve the insulating nature of equipment such as transformer, prevent various calamities such as conflagration simultaneously, but on the other hand, because the transformer flows easily, consequently need use supporting transformer shell, hold and restriction transformer oil, inside for preventing outside moisture or other impurity entering transformer shell, design into totally enclosed structure generally.

However, due to the fact that the transformer oil is consumed to a certain extent during use of the transformer, the transformer oil needs to be replenished into the transformer regularly, impurities such as dust are prone to being mixed into the transformer oil during replenishing of the transformer oil, faults of the internal structure of the main body of the transformer are prone to being caused, heat generated by the transformer in a fully-closed structure during use can be dissipated only by means of self heat dissipation capacity, structures such as transformer lines are prone to being heated, aging speed is accelerated, and the service life of the transformer lines is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oil-immersed transformer to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an oil-immersed transformer comprises a transformer main body, an oil tank and a water-cooling circulating pump, wherein a cooling base is fixedly installed at the bottom in the oil tank, the bottom of the transformer main body is fixedly connected with the end face of the cooling base, a water-cooling circulating pipe is spirally arranged in the cooling base, and the input end and the output end of the water-cooling circulating pipe are respectively communicated and connected with the output end and the input end of the water-cooling circulating pump;

the top of oil tank communicates with each other and is connected with the oiling pipe, the input of oiling pipe communicates with each other and is connected with the rose box to it has the oil drum to communicate with each other through the rose box, the top of oil drum communicates with each other and is connected with the filling opening, the inside sealed pad of seting up the cross hole that is provided with of filling opening, the top of filling opening is provided with spiral sealing lid.

Furthermore, the water-cooling circulating pipe is provided with a heat conducting column corresponding to the end face of the transformer main body, and is arranged in contact with the end face of the bottom of the transformer main body through the tail end of the heat conducting column.

Furthermore, the cooling circulation pipe is communicated with an output branch pipe corresponding to the oil tank and the transformer main body, and the output branch pipe is arranged between the oil tank and the transformer main body in a U shape.

Further, the rose box includes upper cover and lower cover, upper cover and lower cover spiral seal installation, the lower cover corresponds the upper cover and is provided with the filter screen, the upper cover communicates with each other through connecting pipe and oil drum and is connected.

Furthermore, a diversion cover is arranged at the joint of the high-voltage sleeve and the low-voltage sleeve which are arranged on the inner wall of the oil tank and correspond to the output end of the transformer main body, and the tail end of the diversion cover is inclined and corresponds to the top of the transformer main body.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a transformer main part, the oil tank, the water-cooling circulating pump, the cooling base, the water-cooling circulating pipe, the oiling pipe, the rose box, the oil drum, the filling opening, mutually support between sealed pad and the spiral sealing lid, an oil-immersed distribution transformer has been realized, the radiating effect when operating to the transformer has been improved greatly, avoid transformer output input connection's circuit to lead to accelerating ageing speed's phenomenon to take place because of the heat dissipation is not good, and filter the back to the fluid of adding the oil tank inside and add, the probability of sneaking into impurity in avoiding the fluid takes place, the phenomenon of avoiding impurity in the fluid to cause the trouble to the transformer structure takes place.

2. The utility model discloses the high-pressure sleeve that the oil tank inner wall corresponds transformer main part output and sets up and low pressure muffjoint department are provided with the kuppe, when the inside fluid that adds of oil tank, the hydraulic pressure of oil tank inside rises and can produce excessive phenomenon through high-pressure sleeve and the low pressure muffjoint department that oil tank and transformer main part output set up and take place, and the kuppe blocks the excessive fluid of high-pressure sleeve and the low pressure muffjoint department that transformer main part output set up to the terminal surface of transformer main part is returned in the water conservancy diversion.

Drawings

FIG. 1 is a structural section view in elevation of the present invention;

FIG. 2 is a schematic view of the disassembly structure of the filtering box of the present invention;

fig. 3 is a schematic structural view of the end face of the cold circulation pipe of the present invention.

In the figure: a transformer body 1; an oil tank 2; a water-cooled circulation pump 3; cooling the base 4; a water-cooled circulation pipe 5; an oil filler pipe 6; a filter tank 7; an upper cover 71; a lower cover 72; a filter screen 73; a connecting pipe 74; an oil drum 8; an injection port 9; a seal gasket 10; a spiral seal cover 11; a heat-conducting column 12; an output branch pipe 13; a pod 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, an oil-immersed transformer includes a transformer main body 1, an oil tank 2 and a water-cooling circulation pump 3, wherein a cooling base 4 is fixedly installed at the bottom of the oil tank 2, the bottom of the transformer main body 1 is fixedly connected with the end face of the cooling base 4, a water-cooling circulation pipe 5 is spirally arranged inside the cooling base 4, and the input end and the output end of the water-cooling circulation pipe 5 are respectively communicated and connected with the output end and the input end of the water-cooling circulation pump 3;

the top of oil tank 2 communicates with each other and is connected with oiling pipe 6, the input of oiling pipe 6 communicates with each other and is connected with rose box 7 to communicate with each other through rose box 7 and be connected with oil drum 8, the top of oil drum 8 communicates with each other and is connected with filling opening 9, filling opening 9 is inside to be provided with the sealed pad 10 of seting up the cross hole, the top of filling opening 9 is provided with spiral sealing lid 11.

Specifically, the water-cooling circulating pipe 5 is provided with a heat conducting column 12 corresponding to the end face of the transformer main body 1, and is arranged in contact with the bottom end face of the transformer main body 1 through the tail end of the heat conducting column 12. The heat generated by the heat-conducting column 12 in the operation of the transformer main body 1 is conducted to the water-cooling circulating pipe 5, the heat is cooled through the water-cooling circulating pipe 5, and the heat is carried away from the cooling base 4 along with the flowing of the liquid in the water-cooling circulating pipe 5, so that the transformer main body 1 is subjected to heat dissipation treatment.

Specifically, the cooling circulation pipe 5 corresponds to an output branch pipe 13 communicated between the oil tank 2 and the transformer main body 1, and the output branch pipe 13 is arranged between the oil tank 2 and the transformer main body 1 in a U shape. The output branch pipe 13 receives cooling liquid in the water-cooling circulating pipe 5 to cool oil between the oil tank 2 and the transformer main body 1, and assists the transformer main body 1 in heat dissipation.

Specifically, the filter box 7 comprises an upper cover 71 and a lower cover 72, the upper cover 71 and the lower cover 72 are installed in a spiral sealing mode, the lower cover 72 is provided with a filter screen 73 corresponding to the upper cover 71, and the upper cover 71 is communicated and connected with the oil drum 8 through a connecting pipe 74. When the filter screen in the filter box 7 needs to be cleaned, the upper cover 71 and the connecting pipe 74 are spirally detached and then are spirally detached from the lower cover 72 again, so that the convenience of cleaning the filter screen 73 is improved.

Specifically, the inner wall of the oil tank 2 is provided with a dome 14 at the joint of a high-pressure sleeve and a low-pressure sleeve which are arranged corresponding to the output end of the transformer body 1, and the tail end of the dome 14 is inclined and arranged corresponding to the top of the transformer body 1. When adding fluid in the oil tank 2, the hydraulic pressure in the oil tank 2 rises and can produce excessive phenomenon through the high-pressure sleeve and the low-pressure sleeve junction that the oil tank 2 set up with transformer body 1 output and take place, and the excessive fluid of kuppe 14 high-pressure sleeve and low-pressure sleeve junction that set up to transformer body 1 output blocks to the water conservancy diversion returns the terminal surface of transformer body 1.

When the transformer is used, the bottom of the transformer main body 1 is arranged in the oil tank 2 through the cooling base 4, the outer wall of the transformer main body 1 is sealed through the oil tank 2, transformer oil is injected between the oil tank 2 and the transformer main body 1, the oil tank 2 is arranged in a sealing mode on the outer portion of the transformer main body 1, when the transformer main body 1 is used, the input end of the water-cooling circulating pump 3 is connected with a power supply to operate, cooling liquid is extracted and output to the water-cooling circulating pipe 5, the cooling base 4 is used for carrying out cooling treatment on heat of the transformer main body 1 through the water-cooling circulating pipe 5 and is taken away from the cooling base 4 along with the flowing of liquid in the water-cooling circulating pipe 5, the effect of cooling and radiating the transformer main body 1 is achieved, when the transformer oil is required to be added between the oil tank 2 and the transformer main body 1, the spiral sealing cover, transformer oil exports to inside oil drum 8 through filling opening 9, and oil drum 8 exports transformer oil to rose box 7 through connecting pipe 74, filters the back through rose box 7 to transformer oil and discharges between oil tank 2 and transformer main body 1, sneaks into impurity in avoiding fluid, leads to transformer main body 1's component to cause the trouble.

In summary, the following steps: this oil-immersed transformer has solved the problem that proposes in the above-mentioned background art through transformer main part 1, oil tank 2, water-cooling circulating pump 3, cooling base 4, water-cooling circulating pipe 5, notes oil pipe 6, rose box 7, upper cover 71, lower cover 72, filter screen 73, connecting pipe 74, oil drum 8, filling opening 9, sealed pad 10, spiral sealing lid 11 mutually supporting.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an oil-immersed transformer, includes transformer main part (1), oil tank (2) and water-cooling circulating pump (3), its characterized in that: a cooling base (4) is fixedly installed at the bottom in the oil tank (2), the bottom of the transformer main body (1) is fixedly connected with the end face of the cooling base (4), a water-cooling circulating pipe (5) is spirally arranged in the cooling base (4), and the input end and the output end of the water-cooling circulating pipe (5) are respectively communicated and connected with the output end and the input end of a water-cooling circulating pump (3);

the top of oil tank (2) communicates with each other and is connected with oiling pipe (6), the input of oiling pipe (6) communicates with each other and is connected with rose box (7) to communicate with each other through rose box (7) and be connected with oil drum (8), the top of oil drum (8) communicates with each other and is connected with filling opening (9), filling opening (9) inside is provided with sealed pad (10) of seting up the cross hole, the top of filling opening (9) is provided with spiral sealing lid (11).

2. An oil filled transformer according to claim 1, characterized in that: the water-cooling circulating pipe (5) is provided with a heat conducting column (12) corresponding to the end face of the transformer main body (1) and is arranged in contact with the end face of the bottom of the transformer main body (1) through the tail end of the heat conducting column (12).

3. An oil filled transformer according to claim 1, characterized in that: the water-cooling circulating pipe (5) is corresponding to an output branch pipe (13) communicated between the oil tank (2) and the transformer main body (1), and the output branch pipe (13) is arranged between the oil tank (2) and the transformer main body (1) in a U shape.

4. An oil filled transformer according to claim 1, characterized in that: filter tank (7) include upper cover (71) and lower cover (72), upper cover (71) and lower cover (72) spiral seal installation, lower cover (72) correspond upper cover (71) and are provided with filter screen (73), upper cover (71) communicate with each other through connecting pipe (74) and oil drum (8) and are connected.

5. An oil filled transformer according to claim 1, characterized in that: the inner wall of the oil tank (2) is provided with a flow guide cover (14) at the joint of a high-pressure sleeve and a low-pressure sleeve which are arranged corresponding to the output end of the transformer main body (1), and the tail end of the flow guide cover (14) is inclined and corresponds to the top of the transformer main body (1).