CN220570882U - An oil-cooled transformer rectifier - Google Patents

Abstract

The utility model discloses an oil-cooled transformer rectifier in the technical field of transformer rectifiers, which includes a box body, a rectifier body and an oil-cooling box. The rectifier body is placed in a groove provided on the top of the oil-cooling box. The bottom of the oil-cooling box is provided with a support frame connected to the bottom of the inner cavity of the box. A water-cooling box is installed in the inner cavity of the box below the oil-cooling box. The bottom of the oil-cooling box is connected to a water-cooling box at a position close to the front. There is a reflux mechanism inside the box, and the output end of the reflux mechanism is connected with the top of the oil cooling box near the back; a heat dissipation box is installed at the center of the top of the box. The utility model solves the problem of the existing transformer rectifier in operation. When used, a large amount of heat is often dissipated. If a separate oil cooling box is used for heat dissipation, the heat dissipation effect is relatively poor, which will lead to a relatively low working efficiency of the transformer rectifier, which is not conducive to people's use.

Description

Oil-cooled transformer rectifier

Technical Field

The utility model relates to the technical field of transformer rectifiers, in particular to an oil-cooled transformer rectifier.

Background

The transformer rectifier is used for converting 115/220V and 400Hz alternating current into 28V low-voltage direct current and supplying power to direct current equipment such as a storage battery, and the typical transformer rectifier is a combination of a transformer and a rectifier, the transformer reduces alternating current voltage, and the rectifier converts the reduced alternating current into direct current.

When the existing transformer rectifier operates, a large amount of heat is often emitted, and the independent oil cooling box is adopted for heat dissipation, so that the heat dissipation effect is poor, the working efficiency of the transformer rectifier is low, and people are not benefited.

Disclosure of Invention

The present utility model is directed to an oil-cooled transformer rectifier, which solves the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the oil-cooled transformer rectifier comprises a box body, a rectifier body and an oil cooling box, wherein the rectifier body is placed in a groove formed in the top of the oil cooling box, a supporting frame connected with the bottom of an inner cavity of the box body is arranged at the bottom of the oil cooling box, the inner cavity of the box body is positioned below the oil cooling box, a water cooling box is installed below the oil cooling box, a position, close to the front, of the bottom of the oil cooling box is communicated with a backflow mechanism penetrating through the inside of the water cooling box, and the output end of the backflow mechanism is communicated with a position, close to the back, of the top of the oil cooling box;

the center department at box top installs the radiating box, the multiunit louvre has all been seted up to the both sides of radiating box and the positive bottom of box.

Preferably: the reflux mechanism comprises a liquid outlet pipe, a liquid return pipe, a liquid storage tank, a water pump and a communicating pipe, wherein two groups of liquid storage tanks are arranged in the water cooling tank, the liquid outlet pipe communicated with the bottom of the oil cooling tank extends to the inside of the water cooling tank and is communicated with the inside of one group of liquid storage tanks, the liquid return pipe communicated with the top of the oil cooling tank extends to the inside of the water cooling tank and is communicated with the inside of the other group of liquid storage tanks, the water pump is arranged at the top of the water cooling tank, the input end of the water pump is communicated with one group of liquid storage tanks through the communicating pipe, the liquid storage tanks are communicated with the liquid outlet pipe, and the output end of the water pump is communicated with the other group of liquid storage tanks through the communicating pipe.

Preferably: the liquid outlet pipes and the liquid return pipes are all provided with a plurality of groups, and the liquid outlet pipes and the liquid return pipes are horizontally and equidistantly arranged.

Preferably: one end of the liquid outlet pipe extends from the front surface of the water cooling tank to the inside of the liquid outlet pipe, and the liquid return pipe connected with the back surface of the water cooling tank is communicated with the top of the oil cooling tank after passing through the bottom and the back surface of the oil cooling tank.

Preferably: and a plurality of groups of heat dissipation components for blowing air to the surface of the liquid return pipe are arranged on the back surface of the box body.

Preferably: the heat dissipation assembly comprises an installation pipe, a baffle, a heat dissipation fan and a blocking net, wherein the installation pipe is integrally formed on the back of the box body, the baffle is installed at the front end of the installation pipe, a plurality of groups of vent holes are formed in the baffle, the heat dissipation fan is installed at the center of the back of the baffle, and the blocking net is arranged at the rear end of the installation pipe.

Preferably: brace bars are welded at four corners of the top of the box body, and sun shield plates are welded at the top ends of the brace bars.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the oil cooling box can perform preliminary heat dissipation when the rectifier body operates, the reflux mechanism can pump liquid at the bottom in the oil cooling box through the water cooling box and then reflux the liquid to the top in the oil cooling box, the water cooling box can cool the liquid pumped in the oil cooling box and then reflux the liquid, and the liquid in the oil cooling box can be kept at a low temperature all the time, so that the heat dissipation efficiency of the oil cooling box is improved.

2. According to the utility model, the liquid storage tank is arranged, so that the contact area between the pipe body and the liquid in the water cooling tank can be increased, and the cooling effect of the liquid is improved.

3. In the utility model, the cooling fan is started to ventilate and dissipate heat in the box body, the air outlet of the cooling fan is positioned at the back of the liquid return pipe, and the generated air can enable the cold air on the surface of the liquid return pipe to circulate so as to absorb heat in the box body, so that the temperature in the box body is reduced, and the heat dissipation of the rectifier body can be assisted.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a cross-sectional view of a heat dissipating assembly according to the present utility model;

FIG. 3 is a first cross-sectional view of the overall structure of the present utility model;

fig. 4 is a second cross-sectional view of the overall structure of the present utility model.

In the figure: 1. a case; 2. a rectifier body; 3. an oil cooling tank; 4. a support frame; 5. a water cooling tank; 6. a heat radiation box; 7. a heat radiation hole; 8. a liquid outlet pipe; 9. a liquid return pipe; 10. a liquid storage tank; 11. a water pump; 12. a communicating pipe; 13. a baffle; 14. a heat radiation fan; 15. a blocking net; 16. a brace rod; 17. a sun visor; 18. and (5) installing a pipe.

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.

Referring to fig. 1-4, in an embodiment of the utility model, an oil-cooled transformer rectifier includes a box 1, a rectifier body 2 and an oil-cooled box 3, wherein supporting rods 16 are welded at four corners of the top of the box 1, sun-shading plates 17 are welded at the top ends of the supporting rods 16, the box 1 can be shaded, heat accumulation at the top of the box 1 is prevented, the rectifier body 2 is placed in a groove formed in the top of the oil-cooled box 3, a supporting frame 4 connected with the bottom of an inner cavity of the box 1 is arranged at the bottom of the oil-cooled box 3, a water-cooled box 5 is installed below the oil-cooled box 3, a reflux mechanism penetrating through the interior of the water-cooled box 5 is communicated at the position of the bottom of the oil-cooled box 3 near the front, a heat dissipation box 6 is installed at the center of the top of the box 1, multiple groups of heat dissipation holes 7 are formed at both sides of the heat dissipation box 6 and the bottom of the front of the box 1, and the interior of the box 1 can be dissipated.

The three groups of sides of rectifier body 2 and bottom surface are wrapped up in oil cooler 3, and oil cooler 3 can carry out preliminary heat dissipation to rectifier body 2 when the operation, can drive the backward flow mechanism at the heat dissipation in-process, and backward flow mechanism can be with the liquid of oil cooler 3 inner bottom back to the top in the oil cooler 3 after sending through water cooler 5 again, and water cooler 5 can carry out the backward flow again after cooling to the liquid that oil cooler 3 was inside taken out, can make the liquid of oil cooler 3 inside remain low temperature all the time.

The reflux mechanism includes drain pipe 8, return liquid pipe 9, liquid reserve tank 10, water pump 11 and communicating pipe 12, the inside of water-cooling tank 5 is equipped with two sets of liquid reserve tanks 10, drain pipe 8 that the oil-cooling tank 3 bottom was linked together extends to the inside of water-cooling tank 5 and communicates with the inside of a set of liquid reserve tank 10, the return liquid pipe 9 that the oil-cooling tank 3 top was linked together extends to the inside of water-cooling tank 5 and communicates with the inside of another set of liquid reserve tank 10, water pump 11 is installed at the top of water-cooling tank 5, water pump 11 input communicates with a set of liquid reserve tank 10 through communicating pipe 12, above-mentioned liquid reserve tank 10 communicates with drain pipe 8, water pump 11 output communicates with another set of liquid reserve tank 10 through communicating pipe 12, above-mentioned liquid reserve tank 10 communicates with return liquid pipe 9.

The water pump 11 is started, the liquid inside the oil cooling tank 3 is pumped out through the communicating pipe 12, the group of liquid storage tanks 10 and the liquid outlet pipe 8 at the input end of the water pump 11, the liquid is returned to the inside of the oil cooling tank 3 through the communicating pipe 12, the other group of liquid storage tanks 10 and the liquid return pipe 9 at the output end of the water pump 11, the liquid flows through the liquid storage tanks 10 inside the water cooling tank 5, the liquid inside the water cooling tank can be efficiently cooled, the heat dissipation effect of the lifting device is achieved, the contact area between the pipe body and the liquid inside the water cooling tank can be increased by the liquid storage tanks 10, and the liquid cooling effect is improved.

The drain pipe 8 and the return liquid pipe 9 all are equipped with the multiunit, and multiunit drain pipe 8 and return liquid pipe 9 all are the horizontal equidistance and arrange, can promote the radiating effect that liquid flowed through drain pipe 8 to and can effectively absorb the inside heat of box 1 when flowing through return liquid pipe 9, the one end of drain pipe 8 extends to its inside from the front of water-cooling tank 5, and the return liquid pipe 9 of water-cooling tank 5 back connection is from the bottom of oil cooling tank 3 and back intercommunication behind passing its top.

The back of box 1 installs the radiating element that the multiunit carries out the air supply to liquid return pipe 9 surface, can further dispel the heat to the inside of box 1, and radiating element is located liquid return pipe 9's the back, the air that produces can circulate the air conditioning on liquid return pipe 9 surface is the inside heat absorption of box 1, radiating element includes mounting tube 18, baffle 13, radiator fan 14 and block 15, the back integrated into one piece of box 1 has mounting tube 18, mounting tube 18 front end installs baffle 13, the multiunit ventilation hole has been seted up to the inside of baffle 13, radiator fan 14 is installed to the center department at baffle 13 back, the rear end of mounting tube 18 is equipped with block 15, start radiator fan 14 can ventilate the heat dissipation to the box 1 in, baffle 13 prevents that box 1 internals from falling to mounting tube 18 inside, block 15 prevents outside flying batting and impurity and blow into box 1 inside.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (7)

1. The utility model provides an oil-cooled vary voltage rectifier, includes box (1), rectifier body (2) and oil cooling tank (3), in the recess that oil cooling tank (3) top was equipped with is placed in rectifier body (2), the bottom of oil cooling tank (3) is equipped with support frame (4) of being connected with the bottom of box (1) inner chamber, its characterized in that:

the inner cavity of the box body (1) is positioned below the oil cooling box (3), a water cooling box (5) is arranged below the oil cooling box (3), a position, close to the front, of the bottom of the oil cooling box (3) is communicated with a backflow mechanism penetrating through the water cooling box (5), and the output end of the backflow mechanism is communicated with a position, close to the back, of the top of the oil cooling box (3);

the center department at box (1) top installs heat dissipation case (6), multiunit louvre (7) have all been seted up to the both sides of heat dissipation case (6) and the positive bottom of box (1).

2. An oil-cooled transformer rectifier as in claim 1, wherein: the reflux mechanism comprises a liquid outlet pipe (8), a liquid return pipe (9), a liquid storage tank (10), a water pump (11) and a communicating pipe (12), wherein two groups of liquid storage tanks (10) are arranged in the water cooling tank (5), the liquid outlet pipe (8) communicated with the bottom of the oil cooling tank (3) extends to the inside of the water cooling tank (5) and is communicated with the inside of one group of liquid storage tanks (10), the liquid return pipe (9) communicated with the top of the oil cooling tank (3) extends to the inside of the water cooling tank (5) and is communicated with the inside of the other group of liquid storage tanks (10), the water pump (11) is arranged at the top of the water cooling tank (5), the input end of the water pump (11) is communicated with one group of liquid storage tanks (10) through the communicating pipe (12), the output end of the water pump (11) is communicated with the other group of liquid storage tanks (10) through the communicating pipe (12), and the liquid storage tanks (10) are communicated with the liquid return pipe (9).

3. An oil-cooled transformer rectifier as claimed in claim 2, wherein: the liquid outlet pipes (8) and the liquid return pipes (9) are provided with a plurality of groups, and the liquid outlet pipes (8) and the liquid return pipes (9) are horizontally and equidistantly arranged.

4. An oil-cooled transformer rectifier as claimed in claim 2, wherein: one end of the liquid outlet pipe (8) extends from the front surface of the water cooling box (5) to the inside of the liquid outlet pipe, and a liquid return pipe (9) connected with the back surface of the water cooling box (5) is communicated with the top of the oil cooling box (3) after passing through the bottom and the back surface of the oil cooling box.

5. An oil-cooled transformer rectifier as defined in claim 4, wherein: the back of the box body (1) is provided with a plurality of groups of heat dissipation components for blowing air to the surface of the liquid return pipe (9).

6. An oil-cooled transformer rectifier as in claim 5, wherein: the heat dissipation assembly comprises an installation pipe (18), a baffle (13), a heat dissipation fan (14) and a blocking net (15), the installation pipe (18) is integrally formed on the back of the box body (1), the baffle (13) is installed at the front end of the installation pipe (18), a plurality of groups of ventilation holes are formed in the baffle (13), the heat dissipation fan (14) is installed at the center of the back of the baffle (13), and the blocking net (15) is arranged at the rear end of the installation pipe (18).

7. An oil-cooled transformer rectifier as in claim 1, wherein: brace bars (16) are welded at four corners of the top of the box body (1), and sun shield plates (17) are welded at the top ends of the brace bars (16).