CN220543714U

CN220543714U - Cooling device for transformer

Info

Publication number: CN220543714U
Application number: CN202322253067.3U
Authority: CN
Inventors: 张磊
Original assignee: Hebei Zhentai Electric Power Equipment Co ltd
Current assignee: Hebei Zhentai Electric Power Equipment Co ltd
Priority date: 2023-08-22
Filing date: 2023-08-22
Publication date: 2024-02-27
Anticipated expiration: 2033-08-22

Abstract

The utility model discloses a cooling device for a transformer, which comprises a base, a transformer body and a spiral pipe, wherein a refrigerating box body is arranged in the base through a mounting groove, a transmission cavity is arranged in the refrigerating box body, a movable cavity and a pump liquid cavity are arranged in the refrigerating box body, a reciprocating screw rod extending into the transmission cavity is rotationally arranged in the movable cavity, a connecting shaft extending into the transmission cavity is rotationally arranged on the base and connected with the reciprocating screw rod through a transmission mechanism, a piston plate is arranged in the pump liquid cavity and connected with the reciprocating screw rod through the reciprocating mechanism, and the pump liquid cavity is connected with the spiral pipe through a water return pipe and a water outlet pipe. According to the utility model, through arranging the connecting shaft, the reciprocating screw rod, the transmission gear and the like, the linkage of the condensing agent pumping assembly and the threaded shaft assembly is realized, and the linkage and the practicability of the device are ensured.

Description

Cooling device for transformer

Technical Field

The utility model relates to the technical field of transformers, in particular to a cooling device for a transformer.

Background

A transformer is a device for changing an ac voltage using the principle of electromagnetic induction, and the main components are a primary coil, a secondary coil, and an iron core (magnetic core). The main functions include voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization, etc. The power transformer and the special transformer can be classified according to the application.

Publication (bulletin) number: CN218004568U, a cooling device for transformer, including the base, the base upside connection is equipped with the framework, and the base upside is equipped with the transformer body, is equipped with the wind inlet respectively on the framework left and right sides wall, connects on the framework left and right sides inner wall and is equipped with the coiled pipe, and the base is inside to be equipped with the mounting groove, and mounting groove internally mounted is equipped with the refrigeration box, and the left and right sides of refrigeration box upside is connected respectively and is equipped with the pump body. The condensing agent in the scheme needs to realize circulation operation by means of the pump body, has no linkage effect with components such as a threaded shaft, and is poor in overall linkage performance and insufficient in practicability.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a cooling device for a transformer.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a cooling device for transformer, includes base, transformer body and spiral pipe, be equipped with the refrigeration box through the mounting groove in the base, be equipped with the transmission chamber in the refrigeration box, activity chamber and pump liquid chamber, activity intracavity rotation is equipped with the reciprocating screw who extends to the transmission intracavity, it is equipped with the connecting axle that extends to the transmission intracavity to rotate on the base, the connecting axle passes through drive mechanism and is connected with reciprocating screw, the pump liquid intracavity is equipped with the piston board, the piston board passes through reciprocating mechanism and is connected with reciprocating screw, pump liquid chamber passes through wet return and outlet pipe and is connected with the spiral pipe.

Preferably, the transmission mechanism comprises a transmission gear arranged on the outer wall of the connecting shaft and at the end part of the reciprocating screw, and the two transmission gears are meshed.

Preferably, the reciprocating mechanism comprises an engagement rod arranged on the outer wall of the screw sleeve, and the end part of the engagement rod is connected with the piston plate.

Preferably, a first one-way valve is arranged in the water outlet pipe, and a second one-way valve is arranged in the water return pipe.

Preferably, the number of the connecting rods on the same screw rod sleeve is two, and the two connecting rods are L-shaped.

Preferably, both the transmission gears are conical gears, and the piston plate is arranged in the pump liquid cavity in a sealing sliding manner.

The utility model has the beneficial effects that:

1. through setting up connecting axle, reciprocating screw and drive gear etc. realized the linkage of condensing agent pumping components and screw shaft subassembly, guaranteed device's linkage nature and practicality.

2. By arranging the first one-way valve and the second one-way valve in the water outlet pipe and the water return pipe, the one-way circulation operation of the condensing agent can be realized by the components.

Drawings

Fig. 1 is a schematic structural diagram of a cooling device for a transformer according to the present utility model;

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

fig. 3 is a schematic front view of fig. 1.

In the figure: 1 a base, 2 a mounting groove, 3 a refrigeration box body, 4 a return pipe, 5 a transmission cavity, 6 a connecting shaft, 7 a transmission gear, 8 a movable cavity, 9 a reciprocating screw rod, 10 a screw rod sleeve, 11 a connecting rod, 12 a pump liquid cavity, 13 a piston plate and 14 a water outlet 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.

Referring to fig. 1-3, a cooling device for a transformer comprises a base 1, a transformer body and a spiral pipe, wherein a refrigeration box body 3 is arranged in the base 1 through a mounting groove 2, a transmission cavity 5 is arranged in the refrigeration box body 3, a movable cavity 8 and a pump liquid cavity 12 are arranged in the movable cavity 8 in a rotating mode, a reciprocating screw rod 9 extending into the transmission cavity 5 is arranged in the movable cavity 8 in a rotating mode, a connecting shaft 6 extending into the transmission cavity 5 is arranged on the base 1 in a rotating mode, the connecting shaft 6 is connected with the reciprocating screw rod 9 through a transmission mechanism, a piston plate 13 is arranged in the pump liquid cavity 12 in a sealing sliding mode, the piston plate 13 is connected with the reciprocating screw rod 9 through the reciprocating mechanism, and the pump liquid cavity 12 is connected with the spiral pipe through a water return pipe 4 and a water outlet pipe 14.

The transmission mechanism comprises a transmission gear 7 arranged on the outer wall of the connecting shaft 6 and at the end part of the reciprocating screw rod 9, the two transmission gears 7 are meshed, and the two transmission gears 7 are conical gears.

The reciprocating mechanism comprises a connecting rod 11 arranged on the outer wall of the screw rod sleeve 10, the end part of the connecting rod 11 is connected with a piston plate 13, the connecting rod 11 penetrates through the inner wall of the movable cavity 8 and extends into the liquid pumping cavity 12, and the limit of the screw rod sleeve 10 is realized so as to prevent the screw rod sleeve from rotating along with the reciprocating screw rod 9.

The water outlet pipe 14 is internally provided with a first one-way valve, the water return pipe 4 is internally provided with a second one-way valve, and the first one-way valve and the second one-way valve control the flowing direction of condensing agent.

The number of the connecting rods 11 on the same screw sleeve 10 is two, and the two connecting rods 11 are L-shaped.

The present utility model refers to publication (bulletin) No.: CN218004568U, modified only for the internal components of the base 1, specific: the screw shaft can drive the connecting shaft 6 to rotate, the connecting shaft 6 can drive the reciprocating screw rod 9 to rotate by matching with the transmission gear 7 when rotating, the screw sleeve 10 on the outer wall of the reciprocating screw rod 9 can drive the piston plate 13 to reciprocate in the pump liquid cavity 12 by matching with the connecting rod 11 when rotating, condensing agent in the connecting shaft can be sent into the spiral pipe through the water outlet pipe 14, and returns to the pump liquid cavity 12 through the water return pipe 4 again to realize circulation operation.

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

1. The utility model provides a cooling device for transformer, includes base (1), transformer body and spiral pipe, its characterized in that, be equipped with refrigeration box (3) through mounting groove (2) in base (1), be equipped with transmission chamber (5) in refrigeration box (3), activity chamber (8) and pump liquid chamber (12), activity chamber (8) internal rotation is equipped with reciprocating screw (9) that extend to in transmission chamber (5), it is equipped with connecting axle (6) that extend to in transmission chamber (5) to rotate on base (1), connecting axle (6) are connected with reciprocating screw (9) through drive mechanism, be equipped with piston plate (13) in pump liquid chamber (12), piston plate (13) are connected with reciprocating screw (9) through reciprocating mechanism, pump liquid chamber (12) are connected with the spiral pipe through wet return (4) and outlet pipe (14).

2. A cooling device for a transformer according to claim 1, characterized in that the transmission mechanism comprises transmission gears (7) arranged on the outer wall of the connecting shaft (6) and at the end of the reciprocating screw (9), both transmission gears (7) being meshed.

3. A cooling device for a transformer according to claim 2, characterized in that the reciprocator comprises an engagement rod (11) provided on the outer wall of the screw housing (10), the end of the engagement rod (11) being connected to the piston plate (13).

4. A cooling device for a transformer according to claim 3, characterized in that the water outlet pipe (14) is provided with a first one-way valve, and the water return pipe (4) is provided with a second one-way valve.

5. The cooling device for a transformer according to claim 4, wherein the number of the connecting rods (11) on the same screw sleeve (10) is two, and the two connecting rods (11) are L-shaped.

6. A cooling device for a transformer according to claim 5, characterized in that both transmission gears (7) are conical gears, and that the piston plate (13) is sealingly slidably arranged in the pump fluid chamber (12).