CN110808148A

CN110808148A - Heat dissipation equipment of dry-type transformer

Info

Publication number: CN110808148A
Application number: CN201911107713.7A
Authority: CN
Inventors: 钱晓光
Original assignee: Zhejiang Ribbor Polytron Technologies Inc
Current assignee: Zhejiang Ribbor Polytron Technologies Inc
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-02-18

Abstract

The invention discloses a heat dissipation device of a dry-type transformer, which comprises a placing box, wherein an opening communicated with the interior is formed in the upper end surface of the placing box, a metal screen plate is hermetically and fixedly connected in the opening, an inverted U-shaped frame is arranged on the upper end surface of the placing box, a plurality of mounting holes for mounting the dry-type transformer are formed in the inverted U-shaped frame, a spraying mechanism communicated with the placing box is arranged on the inverted U-shaped frame, a water storage tank is arranged on one side of the placing box, the water storage tank is fixedly connected with the side wall of the placing box through a fixing frame, the lower end of the water storage tank is fixedly connected and communicated with the placing box through a water outlet pipe, and a blocking mechanism for. The invention can cool the dry type transformer, has good cooling effect, can recycle the cooling liquid, can automatically compensate the consumption of the cooling liquid when spraying and cooling, and ensures the cooling effect.

Description

Heat dissipation equipment of dry-type transformer

Technical Field

The invention relates to the technical field of dry-type transformers, in particular to a heat dissipation device of a dry-type transformer.

Background

The heat dissipation structure of the traditional dry-type transformer is as follows: the bottom is provided with a transverse fan, the 1/3 position at the upper part of the coil is provided with a horizontal wind shield, and the top of the transformer cabinet body is provided with an exhaust fan. When the transformer normally operates, the bottom fan starts forced air circulation, air passes through a slit between the wind shield and the coil when passing through the horizontal wind shield, and the top fan takes away hot air so as to reduce the temperature rise of the coil.

Through the retrieval, chinese patent No. CN207489622U discloses a heat abstractor, which comprises a base, the bilateral symmetry fixedly connected with supporting leg of base bottom, one side of base is provided with the water tank, one side fixedly connected with dry-type transformer that the water tank was kept away from at the base top, the slide rail has been seted up to the opposite side at base top, the water inlet has been seted up to one side that the water tank top is close to the base, the opposite side at water tank top is provided with the booster pump, the opposite side fixedly connected with motor at base top.

The existing heat dissipation device has the following defects: the heat dissipation is carried out through the cooling liquid, but the ejected cooling liquid is not recovered, so that the accumulated liquid is easy to generate, danger is caused, waste is caused, and the cooling liquid needs to be frequently supplemented.

To this end, we propose a heat dissipating apparatus of a dry type transformer to solve the above problems.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides heat dissipation equipment of a dry-type transformer.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a heat dissipation equipment of dry-type transformer, is including placing the case, it is equipped with the inside opening of intercommunication to place the case up end, sealed fixedly connected with metal sieve net board in the opening, it is equipped with the type of falling U frame to place the case up end, the type of falling U frame internal fixation sets up dry-type transformer, be equipped with on the type of falling U frame and place the mechanism that sprays of case intercommunication, it is equipped with the storage water tank to place case one side, the storage water tank passes through the mount and places case lateral wall fixed connection, the storage water tank lower extreme passes through the outlet pipe and places case fixed connection and intercommunication, it is equipped with the shutoff mechanism to the outlet pipe to place incas.

Preferably, the spraying mechanism comprises a plurality of spray heads symmetrically and uniformly distributed on two sides of the inverted-U-shaped frame, the spray heads are fixedly connected with the inverted-U-shaped frame, the spray heads face the dry-type transformer, a spray pipe is fixedly connected to the side wall of the placing box, the spray pipe faces upwards and is fixedly connected and communicated with the spray heads, and a water pump is fixedly connected to the spray pipe.

Preferably, the plugging mechanism comprises a buoy plug arranged in the placing box, the buoy plug corresponds to the water outlet pipe in position, two fixing blocks are symmetrically arranged on the upper side and the lower side of the buoy plug, the two fixing blocks are fixedly connected with the inner wall of the placing box, a sliding rod is vertically and fixedly connected between the two fixing blocks, and the buoy plug is sleeved on the sliding rod in a sliding mode.

Preferably, a liquid guide block is horizontally arranged in the placing box, two ends of the liquid guide block are fixedly connected with the inner wall of the placing box, the upper end face of the liquid guide block is in a slope shape, and the cross sectional area of the liquid guide block is the same as that of the metal screen plate.

Preferably, an insulating rubber layer matched with the metal screen plate is fixedly arranged on the upper end face of the metal screen plate, and a plurality of through holes matched with the metal screen plate are formed in the insulating rubber layer.

Preferably, a plurality of mounting holes for mounting the dry-type transformer are formed in the inverted U-shaped frame.

Compared with the prior art, the invention has the beneficial effects that:

1. through having set up the mechanism that sprays, can spray the coolant liquid of placing the incasement on dry-type transformer through a plurality of shower nozzles to play the cooling effect, be used for the refrigerated coolant liquid downwards to flow in again through metal sieve otter board and place the incasement simultaneously, avoid extravagant, avoid the hydrops to produce simultaneously, the security is higher.

2. Be used for saving the coolant liquid through setting up the storage water tank, the outlet pipe of storage water tank simultaneously with place case fixed connection and intercommunication, carry out the shutoff through shutoff mechanism, when placing the coolant liquid of incasement and being less than a quantitative, the buoy stopper is downward, loses the sealing effect to the outlet pipe, the automatic coolant liquid of deriving of storage water tank, when the coolant liquid keeps on a quantitative, the buoy stopper maintains the closure to the outlet pipe, does not need frequent manual work to add the coolant liquid.

Drawings

Fig. 1 is a schematic structural diagram of a heat dissipation apparatus of a dry-type transformer according to the present invention;

FIG. 2 is a schematic view of the structure at A in FIG. 1;

fig. 3 is a schematic structural diagram of a spraying mechanism in the heat dissipation apparatus of the dry-type transformer according to the present invention.

In the figure: the dry type transformer comprises a placement box 1, a metal screen plate 2, an inverted U-shaped frame 3, a water storage tank 4, a fixed frame 5, a water outlet pipe 6, a spray head 7, a spray pipe 8, a water pump 9, a buoy plug 10, a fixed block 11, a slide bar 12, a liquid guide block 13 and a dry type transformer 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, a heat dissipation apparatus for a dry-type transformer comprises a placing box 1, an opening communicating with the inside is arranged on the upper end surface of the placing box 1, a metal screen plate 2 is fixedly connected in the opening in a sealing manner and can be used for placing a dry-type transformer 14, meanwhile, the cooling liquid can conveniently flow into the placing box 1, the upper end surface of the metal screen plate 2 is fixedly provided with an insulating rubber layer matched with the metal screen plate, the stability of placing the dry-type transformer 14 is ensured, play insulating effect simultaneously, be equipped with on the insulating rubber layer with a plurality of through-holes of metal screen board 2 matching, place the incasement level and be equipped with liquid guide block 13, liquid guide block 13 both ends all with place case 1 inner wall fixed connection, avoid placing the direct exposure of the coolant liquid in the case 1, increase the security, liquid guide block 13 upper end is the slope form, liquid guide block 13's cross-sectional area is the same with the 2 areas of metal screen board, plays the drain effect.

Wherein, the upper end face of the placing box 1 is provided with an inverted U-shaped frame 3, a dry type transformer 14 is fixedly arranged in the inverted U-shaped frame 3, a plurality of mounting holes for mounting are arranged on the inverted U-shaped frame 3, the dry type transformer 14 is convenient to fixedly mount, a spraying mechanism communicated with the placing box 1 is arranged on the inverted U-shaped frame 3, the spraying mechanism comprises a plurality of spray heads 7 symmetrically and uniformly distributed at two sides of the inverted U-shaped frame 3, the plurality of spray heads 7 are all fixedly connected with the inverted U-shaped frame 3, the plurality of spray heads 7 all face the dry type transformer 14, the cooling effect is ensured, the side wall of the placing box 1 is fixedly connected with a spray pipe 8, the spray pipe 8 is upward and is fixedly connected and communicated with the plurality of spray heads 7, a water pump 9 is fixedly connected on the spray pipe 8, the water pump 9 works, can guide cooling liquid into the plurality of spray heads 7 for spraying, a water storage tank 4 is arranged at one side of, the lower end of the water storage tank 4 is fixedly connected and communicated with the placing tank 1 through a water outlet pipe 6.

Wherein, place the inside shutoff mechanism to outlet pipe 6 that is equipped with of case 1, shutoff mechanism is including setting up the buoy stopper 10 placing case 1, buoy stopper 10 changes self position along with coolant liquid level height changes, buoy stopper 10 corresponds with outlet pipe 6 position, buoy stopper 10 has the blocking effect to outlet pipe 6, buoy stopper 10 upper and lower bilateral symmetry is equipped with two fixed blocks 11, two fixed blocks 11 all with place case 1 inner wall fixed connection, vertical fixedly connected with slide bar 12 between two fixed blocks 11, buoy stopper 10 slip cap is established on slide bar 12. The float plug 10 can slide.

In the invention, when the device is used, the dry-type transformer 14 is placed in the inverted U-shaped frame 3 and fixedly installed, when cooling is needed, the water pump 9 works, cooling liquid is guided into the plurality of spray heads 7 through the spray pipes 8 and then is sprayed out to cool the dry-type transformer 14, then the cooling liquid flows into the placing box 1 through the metal screen plate 2, and meanwhile, the liquid guide block 13 has a blocking conduction function; when the cooling liquid in the placing box 1 is consumed to a certain amount, the floating plug 10 is lowered along with the lowering of the liquid level of the cooling liquid, so that the sealing effect on the water outlet pipe 6 is removed, the cooling liquid in the water storage tank 4 is guided into the placing box 1 through the water outlet pipe 6, and when the cooling liquid reaches a certain amount, the floating plug 10 seals the water outlet pipe 6 again.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a heat dissipation equipment of dry-type transformer, is including placing case (1), its characterized in that, it is equipped with the inside opening of intercommunication to place case (1) up end, sealed fixedly connected with metal sieve otter board (2) in the opening, it is equipped with inverted U type frame (3) to place case (1) up end, inverted U type frame (3) internal fixation sets up dry-type transformer (14), be equipped with on the inverted U type frame (3) and place the mechanism that sprays of case (1) intercommunication, it is equipped with storage water tank (4) to place case (1) one side, storage water tank (4) pass through mount (5) and place case (1) lateral wall fixed connection, storage water tank (4) lower extreme passes through outlet pipe (6) and places case (1) fixed connection and intercommunication, it is equipped with the shutoff mechanism to outlet pipe (6) to place case (1) inside.

2. The heat dissipation device of the dry-type transformer according to claim 1, wherein the spraying mechanism comprises a plurality of spray heads (7) symmetrically and uniformly distributed at two sides of the inverted-U-shaped frame (3), the plurality of spray heads (7) are fixedly connected with the inverted-U-shaped frame (3), the plurality of spray heads (7) face the dry-type transformer (14), a spray pipe (8) is fixedly connected to the side wall of the placing box (1), the spray pipe (8) faces upwards and is fixedly connected and communicated with the plurality of spray heads (7), and a water pump (9) is fixedly connected to the spray pipe (8).

3. The heat dissipation device for the dry-type transformer according to claim 1, wherein the plugging mechanism comprises a buoy plug (10) disposed in the placing box (1), the buoy plug (10) corresponds to the water outlet pipe (6), two fixing blocks (11) are symmetrically disposed on the upper and lower sides of the buoy plug (10), both the two fixing blocks (11) are fixedly connected with the inner wall of the placing box (1), a sliding rod (12) is vertically and fixedly connected between the two fixing blocks (11), and the buoy plug (10) is slidably sleeved on the sliding rod (12).

4. The heat dissipation device of the dry-type transformer as claimed in claim 1, wherein a liquid guide block (13) is horizontally arranged in the placing box (1), both ends of the liquid guide block (13) are fixedly connected with the inner wall of the placing box (1), the upper end surface of the liquid guide block (13) is in a slope shape, and the cross-sectional area of the liquid guide block (13) is the same as the area of the metal screen plate (2).

5. The heat dissipation device of a dry-type transformer as claimed in claim 1, wherein the upper end surface of the metal screen plate (2) is fixedly provided with an insulation rubber layer matched with the metal screen plate, and the insulation rubber layer is provided with a plurality of through holes matched with the metal screen plate (2).

6. Heat sink for a dry transformer according to claim 1, characterised in that the inverted U-shaped frame (3) is provided with a plurality of mounting holes for mounting the dry transformer (14).