CN218333334U

CN218333334U - Drawable type installed exciting transformer cooling fan

Info

Publication number: CN218333334U
Application number: CN202222183816.5U
Authority: CN
Inventors: 肖金
Original assignee: Nanjing Naxin Automation Equipment Co ltd
Current assignee: Nanjing Naxin Automation Equipment Co ltd
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2023-01-17
Anticipated expiration: 2032-08-18

Abstract

The utility model discloses an excitation transformer cooling fan of telescopic formula installation, including the protective housing, the top of protective housing is provided with the transformer body, the equal fixedly connected with backup pad in front end and the rear end at protective housing top, the top of backup pad and the bottom fixed connection of transformer body, the inner chamber sliding connection of protective housing has places the board, the top swing joint who places the board has the fan body. The utility model discloses a set up the protective housing for protect internal element, through setting up the backup pad, be used for supporting transformer body, and for the air provides the circulation space, avoid transformer body snap-on to cause the condition that the air-out area reduces at the top of protective housing, solved the condition that the fan probably appears damaging after long-time operation, consequently need carry out periodic maintenance to the fan, and the problem of maintenance difficulty degree is dismantled to the fan to the mounting means influence of fan also.

Description

Drawable type installed exciting transformer cooling fan

Technical Field

The utility model relates to a cooling blower technical field specifically is an excitation transformer cooling blower of telescopic formula installation.

Background

As a device specially providing a three-phase alternating-current excitation power supply for an excitation system of a generator, the excitation transformer is a prerequisite condition for stable power generation and full-load power generation of a generator set and is also a key condition for reliable operation of the excitation system, in order to ensure normal operation of the excitation transformer, a cooling fan is usually adopted to carry out cooling treatment on the excitation transformer, namely, the purpose of reducing the temperature of the excitation transformer is achieved through the forced ventilation effect of the cooling fan at the outer side of the bottom of each phase winding of the excitation transformer, so that the excitation transformer can work within a normal temperature range, and the fan is likely to be damaged after long-time operation, so that the fan needs to be periodically maintained, and the installation means of the fan also influences the difficulty of dismounting and maintenance of the fan.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an excitation transformer cooling blower of telescopic formula installation possesses the advantage of being convenient for installation and dismantlement, has solved the condition that the fan can appear damaging after long-time operation, consequently need carry out periodic maintenance to the fan, and the problem of examining and repairing the difficulty degree is also dismantled to the fan to the mounting means influence of fan.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an excitation transformer cooling blower of extractable formula installation, includes the protective housing, the top of protective housing is provided with the transformer body, the equal fixedly connected with backup pad in front end and the rear end at protective housing top, the top of backup pad and the bottom fixed connection of transformer body, the inner chamber sliding connection of protective housing has places the board, the top swing joint who places the board has the fan body, the front end fixedly connected with fixed plate of placing the board top, the air intake has been seted up in the front of fixed plate, the air outlet has been seted up at the top of protective housing, the equal fixedly connected with dust screen of inner chamber of air intake and air outlet.

Preferably, the limiting grooves are formed in the two sides of the inner cavity of the protective box, and the limiting blocks are fixedly connected to the two sides of the placing plate.

Preferably, one side of the limiting block extends to the inner cavity of the limiting groove and is movably connected with the inner cavity of the limiting groove.

Preferably, the front of placing the board and the positive upper and lower both ends of protective housing are equal fixedly connected with supplementary piece, the inner chamber swing joint of supplementary piece has spacing post.

Preferably, the lower end the top of auxiliary block is seted up threaded hole, the lower extreme on spacing post surface is provided with the screw thread, and the lower extreme of spacing post extends to the inner chamber of threaded hole to with the inner chamber threaded connection of threaded hole.

Preferably, the both sides at fan body top all swing joint have the mount, place all fixedly connected with gim peg around the board top, the bottom of mount extends to the inner chamber of gim peg.

Preferably, one side of the fixing bolt is in threaded connection with a bolt, and one end of the bolt extends to the inner cavity of the fixing frame and is in threaded connection with the inner cavity of the fixing frame.

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

the utility model discloses a set up the protective housing, be used for protecting internal element, through setting up the backup pad, be used for supporting transformer body, and provide the circulation space for the air, avoid transformer body snap-on to cause the condition that the air-out area reduces at the top of protective housing, place the board through the setting, be used for placing fan body, and be convenient for take fan body out from the inside of protective housing, thereby be convenient for take fan body out from the inside of protective housing, through setting up the fixed plate, be used for fixed dust screen, through setting up the air intake, be used for providing the space that gets into the inside of protective housing for the air, through setting up the air outlet, be used for providing the circulation space for the air of protective housing inside, thereby the wind that makes fan body blow off dispels the heat to transformer body, through setting up the dust screen, be used for filtering the dust in the air, the condition that the fan can appear damaging after long-time operation has been solved, consequently need regularly maintain the fan, and the problem of the ease of dismantling the maintenance degree to the fan is also influenced to the fan to the mounting means of fan.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic diagram of the explosion structure of the protection box, the auxiliary block and the limiting column of the present invention;

fig. 3 is a schematic view of the connection structure of the placing plate and the fan body of the present invention;

fig. 4 is a schematic view of the connection structure of the placing plate, the fixing plate and the air inlet of the present invention.

In the figure: 1. a protective box; 2. a transformer body; 3. a support plate; 4. placing the plate; 5. a fan body; 6. a fixing plate; 7. an air inlet; 8. an air outlet; 9. a limiting groove; 10. a limiting block; 11. an auxiliary block; 12. a limiting column; 13. a threaded hole; 14. a fixed mount; 15. a fixing bolt; 16. and (4) bolts.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, a drawable type cooling fan for an excitation transformer comprises a protection box 1, a transformer body 2 is arranged on the top of the protection box 1, a supporting plate 3 is fixedly connected to both the front end and the rear end of the top of the protection box 1, the top of the supporting plate 3 is fixedly connected to the bottom of the transformer body 2, a placing plate 4 is slidably connected to the inner cavity of the protection box 1, a fan body 5 is movably connected to the top of the placing plate 4, a fixing plate 6 is fixedly connected to the front end of the top of the placing plate 4, an air inlet 7 is formed in the front of the fixing plate 6, an air outlet 8 is formed in the top of the protection box 1, dust screens are fixedly connected to the inner cavities of the air inlet 7 and the air outlet 8, and by arranging the protection box 1, for protecting the internal components, by providing a support plate 3 for supporting the transformer body 2, and provides a circulating space for air, avoids the condition that the air outlet area is reduced because the transformer body 2 is directly fixed at the top of the protective box 1, and by arranging the placing plate 4, used for placing the fan body 5 and facilitating the fan body 5 to be drawn out from the interior of the protective box 1, thereby being convenient for drawing the fan body 5 out of the protective box 1, and through arranging the fixed plate 6 for fixing the dust screen and the air inlet 7, used for providing space for air to enter the protective box 1 and providing a circulating space for the air in the protective box 1 through arranging the air outlet 8, so that the wind blown out by the fan body 5 can radiate the transformer body 2, and by arranging the dust screen, is used for filtering dust in the air, solves the problem that the fan can be damaged after long-time operation, therefore, the fan needs to be maintained regularly, and the installation means of the fan also influences the problem of difficulty in disassembly and maintenance of the fan.

Specifically, spacing groove 9 has all been seted up to the both sides of 1 inner chamber of protective housing, places the equal fixedly connected with stopper 10 in both sides of board 4, through the cooperation of spacing groove 9 and stopper 10, has played the spacing effect of placing board 4, avoids placing the condition that board 4 takes place the offset when removing.

Specifically, one side of the limiting block 10 extends to the inner cavity of the limiting groove 9 and is movably connected with the inner cavity of the limiting groove 9.

Specifically, place the positive of board 4 and the positive upper and lower both ends equal fixedly connected with auxiliary block 11 of protective housing 1, auxiliary block 11's inner chamber swing joint has spacing post 12, through auxiliary block 11, spacing post 12 and screw hole 13's cooperation, has played the effect of spacing fixed plate 6, prevents that fixed plate 6 from droing from protective housing 1's inside.

Specifically, a threaded hole 13 is formed in the top of the lower end auxiliary block 11, threads are arranged at the lower end of the surface of the limiting column 12, and the lower end of the limiting column 12 extends to an inner cavity of the threaded hole 13 and is in threaded connection with the inner cavity of the threaded hole 13.

Specifically, the equal swing joint in both sides at 5 tops of fan body has mount 14, places equal fixedly connected with gim peg 15 all around at 4 tops of board, and the bottom of mount 14 extends to the inner chamber of gim peg 15, through the cooperation of mount 14 and gim peg 15, has played the effect of fixed fan body 5, improves the stability of fan body 5 when the operation.

Specifically, a bolt 16 is connected to one side of the fixing bolt 15 through a thread, one end of the bolt 16 extends to an inner cavity of the fixing frame 14 and is connected with the inner cavity of the fixing frame 14 through a thread, and the bolt 16 is arranged to fix the fixing frame 14 inside the fixing bolt 15, so that the connection stability between the fixing frame 14 and the fixing bolt 15 is improved.

When the fan is used, when the fan needs to be installed, firstly, the fan body 5 is placed at the top of the placing plate 4, then, the fixing frame 14 is placed at the top of the fan body 5, the bottom of the fixing frame 14 is inserted into the inner cavity of the fixing bolt 15, then, the bolt 16 is inserted into the fixing frame 14 and the fixing bolt 15, so that the fan body 5 is fixed at the top of the placing plate 4, after the fixing is finished, the placing plate 4 is inserted into the protecting box 1, the limiting block 10 is inserted into the limiting groove 9, then, the placing plate 4 is pushed into the protecting box 1 by pushing the fixing plate 6, then, the limiting column 12 is inserted into the inner cavity of the auxiliary block 11, when the bottom of the limiting column 12 is moved into the threaded hole 13, the limiting column 12 is rotated to enable the limiting column 12 to be in threaded connection with the inner cavity of the threaded hole 13, so that the installation operation of the fan body 5 is finished, when the fan body 5 needs to be disassembled and maintained, otherwise, the problem that the fan is likely to be damaged after long-time operation of the fan is solved, therefore, the fan needs to be periodically maintained, and the problem that the fan is also that the disassembling difficulty of the installation means of the fan is affected.

The standard parts used in the present application document can be purchased from the market, and can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts the conventional means of mature bolt, rivet, welding and the like in the prior art, the machines, parts and equipment adopt the conventional models in the prior art, the control mode is automatically controlled by a controller, the control circuit of the controller can be realized by simple programming of technicians in the field, the control circuit belongs to the common knowledge in the field, and the present application document is mainly used for protecting mechanical devices, so the control mode and the circuit connection are not explained in detail in the present application.

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 excitation transformer cooling blower of pull-out formula installation, includes guard box (1), its characterized in that: the transformer protection box is characterized in that a transformer body (2) is arranged at the top of the protection box (1), a supporting plate (3) is fixedly connected to the front end and the rear end of the top of the protection box (1), the top of the supporting plate (3) is fixedly connected with the bottom of the transformer body (2), a placing plate (4) is connected to the inner cavity of the protection box (1) in a sliding mode, a fan body (5) is movably connected to the top of the placing plate (4), a fixing plate (6) is fixedly connected to the front end of the top of the placing plate (4), an air inlet (7) is formed in the front of the fixing plate (6), an air outlet (8) is formed in the top of the protection box (1), and dust screens are fixedly connected to the inner cavities of the air inlet (7) and the air outlet (8).

2. The withdrawable-mounted excitation transformer cooling fan as set forth in claim 1, wherein: limiting grooves (9) are formed in two sides of an inner cavity of the protective box (1), and limiting blocks (10) are fixedly connected to two sides of the placing plate (4).

3. An extractable mounted field transformer cooling fan as claimed in claim 2, wherein: one side of the limiting block (10) extends to the inner cavity of the limiting groove (9) and is movably connected with the inner cavity of the limiting groove (9).

4. The withdrawable-mounted field transformer cooling fan of claim 1, wherein: the protection box is characterized in that the front face of the placement plate (4) and the upper and lower ends of the front face of the protection box (1) are fixedly connected with auxiliary blocks (11), and the inner cavity of each auxiliary block (11) is movably connected with a limiting column (12).

5. The withdrawable-mounted excitation transformer cooling fan as set forth in claim 4, wherein: the lower extreme screw hole (13) are seted up at the top of auxiliary block (11), the lower extreme on spacing post (12) surface is provided with the screw thread, and the lower extreme of spacing post (12) extends to the inner chamber of screw hole (13) to with the inner chamber threaded connection of screw hole (13).

6. The withdrawable-mounted field transformer cooling fan of claim 1, wherein: the fan is characterized in that fixing frames (14) are movably connected to two sides of the top of the fan body (5), fixing bolts (15) are fixedly connected to the periphery of the top of the placing plate (4), and the bottoms of the fixing frames (14) extend to inner cavities of the fixing bolts (15).

7. The withdrawable-mounted field transformer cooling fan of claim 6, wherein: one side of the fixing bolt (15) is in threaded connection with a bolt (16), and one end of the bolt (16) extends to the inner cavity of the fixing frame (14) and is in threaded connection with the inner cavity of the fixing frame (14).