CN218768990U

CN218768990U - Cooling system and dry-type transformer thereof

Info

Publication number: CN218768990U
Application number: CN202222248391.1U
Authority: CN
Inventors: 苏永强; 杨緖斌; 王飞; 王晖; 王春雨; 李天伟
Original assignee: Inner Mongolia Juda Generating Co ltd
Current assignee: Inner Mongolia Juda Generating Co ltd
Priority date: 2022-08-25
Filing date: 2022-08-25
Publication date: 2023-03-28
Anticipated expiration: 2032-08-25

Abstract

The utility model discloses a cooling system and dry-type transformer thereof, including radiator unit, including fixed frame, centrifugal fan, accept piece, filter piece and locating part, centrifugal fan set up in the fixed frame outside, it is fixed in to accept the piece centrifugal fan bottom, it is located to filter the piece in fixed frame, the locating part set up in fixed frame top. The utility model discloses a radiator unit cools off dry-type transformer, very big improvement its radiating efficiency, and more convenient to the change of filter screen, need not the shutdown maintenance, strengthened operational reliability, security, further improved the radiating efficiency.

Description

Cooling system and dry-type transformer thereof

Technical Field

The utility model relates to a cooling system technical field, especially a cooling system and dry-type transformer thereof.

Background

Dry-type transformers are widely used in local lighting, high-rise buildings, airports, and CNC machinery and equipment in wharfs, and simply, dry-type transformers refer to transformers in which an iron core and windings are not immersed in insulating oil, and generate much heat during use, and at this time, cooling devices are required to cool the iron core and the coils.

The cooling fans in the prior art are arranged as follows: every looks high low-voltage coil both sides respectively a fan, a transformer needs to use many cooling blower, the start-stop of fan is controlled by the temperature controller on the transformer box, and fan motor housing is disposable crimping, can't resume after taking apart, lead to the motor to be difficult to restore, so the fan can only be wholly changed new fan after damaging, and the change of fan must stop the transformer, the power failure, increased the maintenance like this, the work load of operation, increase the cost of overhaul simultaneously, and its inside filter screen need clear up the change often in long-time use, at this moment just need demolish whole fan, it is very inconvenient, and influence dry-type transformer's radiating efficiency.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.

The present invention has been made in view of the above and/or other problems occurring in the conventional cooling system for dry type transformers.

Therefore, the utility model aims to solve the problem that the cooling system in the prior art is very inconvenient to use, and is comparatively troublesome to the clearance of filter screen.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a cooling system, includes, radiator unit, including fixed frame, centrifugal fan, accepts piece, filters piece and locating part, centrifugal fan set up in the fixed frame outside, it is fixed in to accept the piece centrifugal fan bottom, it is located to filter the piece fixed frame is interior, the locating part set up in fixed frame top.

As a preferable aspect of the cooling system of the present invention, wherein: the receiving piece comprises a receiving frame and a connecting plate, the connecting plate is fixed to the bottom of the centrifugal fan, and the receiving frame is fixed to the bottom of the connecting plate.

As a preferable aspect of the cooling system of the present invention, wherein: the filter piece comprises a filter screen, a limiting frame, a sealing strip and a guide plate, wherein the filter screen is located in the fixed frame, the limiting frame is fixed on two sides of the inner bottom wall of the fixed frame, the bottom of the filter screen is located in the limiting frame, the sealing strip is fixed on two sides of the inner top wall of the fixed frame, and the guide plate is fixed in the fixed frame and located on one side of the filter screen.

As a preferable aspect of the cooling system of the present invention, wherein: the filter piece further comprises a limiting plate, a fixing rod and a transverse plate, the limiting plate is fixed to the top of the filter screen, a mounting hole is formed in the top of the fixing frame, the limiting plate is located in the mounting hole, the fixing rod is fixed to two sides of the top of the limiting plate, and the transverse plate is fixed to the top of the fixing rod.

As a preferable aspect of the cooling system of the present invention, wherein: the locating part includes movable plate, cardboard, fixed block and threaded rod, the movable plate slide in fixed frame top, the cardboard is fixed in the movable plate both sides, the fixed block is fixed in the fixed frame top outside, the threaded rod rotate connect in the movable plate outside, and with fixed block threaded connection.

As a preferable aspect of the cooling system of the present invention, wherein: the limiting part further comprises a limiting block, the limiting block is fixed on the fixing rod and located in the mounting hole, and the clamping plate is located at the top of the limiting block.

As a preferable aspect of the cooling system of the present invention, wherein: the limiting part further comprises limiting strips, the limiting strips are fixed to two sides of the top of the fixed frame, limiting grooves are formed in two sides of the bottom of the movable plate, and the limiting strips slide in the limiting grooves.

The utility model discloses beneficial effect does: the utility model discloses a radiator unit cools off dry-type transformer, very big improvement its radiating efficiency, and more convenient to the change of filter screen, need not the shutdown and overhauls, further improved radiating efficiency and reduced the transformer outage because of the cooling blower trouble leads to.

In view of the need for dry-type transformers in local lighting, high-rise buildings, airports, dockside CNC machines, and the like, a dry-type transformer has been proposed.

In order to solve the technical problem, the utility model discloses still provide following technical scheme: a dry-type transformer, characterized by: comprises the cooling system; and the dry type transformer assembly comprises a shell, an iron core, a top cover and a support piece, wherein the iron core is arranged in the shell, the top cover is arranged at the top of the shell, the support piece is fixed at four corners of the bottom of the shell, and the heat dissipation assembly is arranged at the bottom of one side of the shell.

As a preferred scheme of the dry-type transformer of the utility model, wherein: a heat dissipation channel is formed in the shell, a heat dissipation hole is formed in the top of the heat dissipation channel, and the fixing frame is fixed to the end of the heat dissipation channel.

As a preferred scheme of the dry-type transformer of the utility model, wherein: the support piece comprises a support rod and an anti-skid pad, the support rod is fixed with the bottom end of the shell, and the anti-skid pad is fixed at the bottom end of the support rod.

The utility model discloses another beneficial effect does: the dry-type transformer is provided with the cooling system which is convenient to disassemble and assemble, so that the heat dissipation efficiency is improved, the operation reliability and safety are enhanced, the maintenance is convenient, and the cost is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor. Wherein:

fig. 1 is an overall structural view of the cooling system of the present invention.

Fig. 2 is a sectional view of the overall structure of the cooling system of the present invention.

Fig. 3 is an enlarged view of a portion a in fig. 2 of the cooling system of the present invention.

Fig. 4 is another perspective view of the filter element of the cooling system of the present invention.

Fig. 5 is an overall configuration diagram of the dry type transformer.

Fig. 6 is a sectional view showing the overall structure of the dry type transformer.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying the present invention are described in detail below with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Furthermore, the references herein to "one embodiment" or "an embodiment" refer to a particular feature, structure, or characteristic that may be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1, there is provided a cooling system according to a first embodiment of the present invention, which includes a heat dissipation assembly 100,

specifically, the heat dissipation assembly 100 includes a fixing frame 101, a centrifugal fan 102, a receiving member 103, a filtering member 104 and a limiting member 105, wherein the centrifugal fan 102 is disposed outside the fixing frame 101, the receiving member 103 is fixed at the bottom of the centrifugal fan 102, the filtering member 104 is located in the fixing frame 101, and the limiting member 105 is disposed at the top of the fixing frame 101.

Centrifugal fan 102's air-out end and fixed frame 101 intercommunication, blow to dry-type transformer in through centrifugal fan 102, in order to reach the radiating effect, filter wind through filtering piece 104 this moment, prevent in too much impurity gets into dry-type transformer, influence its use, then fix and spacing filtering piece 104 through locating part 105, it is more convenient to make its dismouting wash or change, adapting piece 103 is used for supporting centrifugal fan 102, make its installation more convenient and firm, wherein, centrifugal fan 102 life is more elongated, very big reduction whole fault rate, and it is more convenient to overhaul.

Example 2

Referring to fig. 1 to 4, a second embodiment of the present invention, which is different from the first embodiment, is: receiving member 103 includes receiving frame 103a and connection plate 103b, connection plate 103b is fixed to the bottom of centrifugal fan 102, and receiving frame 103a is fixed to the bottom of connection plate 103 b. The bearing frame 103a is rectangular, and the centrifugal fan 102 is arranged in two groups, symmetrically fixed on the bearing frame 103a and fixed through the connecting plate 103b, so that the stability of the centrifugal fan 102 in the using process is improved.

The filter element 104 comprises a filter screen 104a, a limiting frame 104b, a sealing strip 104c and a guide plate 104d, wherein the filter screen 104a is positioned in the fixed frame 101, the limiting frame 104b is fixed on two sides of the inner bottom wall of the fixed frame 101, the bottom of the filter screen 104a is positioned in the limiting frame 104b, the sealing strip 104c is fixed on two sides of the inner top wall of the fixed frame 101, and the guide plate 104d is fixed in the fixed frame 101 and positioned on one side of the filter screen 104 a.

Filter screen 104a is used for filtering the air of blowing in dry-type transformer inside, avoid inside too much impurity gets into dry-type transformer, influence its use, spacing frame 104b is provided with two, filter screen 104a is when the installation, insert spacing frame 104b in its bottom, install and spacing filter screen 104a through spacing frame 104b, prevent that it from taking place the skew or rocking the circumstances such as in the use, chamfer processing is done to spacing frame 104b inboard, make filter screen 104a can be more convenient get into in spacing frame 104b, sealing strip 104c plays sealed effect, prevent that too much wind from spilling from the top, influence cooling efficiency, guide plate 104d is provided with two, its inboard is the slope form, carry out the water conservancy diversion to the air of blowing in fixed frame 101 inside, make it can be more convenient blow in the dry-type transformer.

The filter element 104 further comprises a limiting plate 104e, a fixing rod 104f and a transverse plate 104g, the limiting plate 104e is fixed at the top of the filter screen 104a, a mounting hole K is formed in the top of the fixing frame 101, the limiting plate 104e is located in the mounting hole K, the fixing rod 104f is fixed on two sides of the top of the limiting plate 104e, and the transverse plate 104g is fixed to the top end of the fixing rod 104 f.

The width and the length of limiting plate 104e all are slightly greater than filter screen 104a, and accessible limiting plate 104e is spacing to filter screen 104a, make its installation accomplish the back more firm, then make the filter screen 104a of taking that the staff can be more convenient through setting up of dead lever 104f and diaphragm 104g, very big improvement its dismouting efficiency.

The stopper 105 includes a moving plate 105a, a clamping plate 105b, a fixed block 105c, and a threaded rod 105d, the moving plate 105a slides on the top of the fixed frame 101, the clamping plate 105b is fixed on both sides of the moving plate 105a, the fixed block 105c is fixed on the outer side of the top of the fixed frame 101, and the threaded rod 105d is rotatably connected to the outer side of the moving plate 105a and is in threaded connection with the fixed block 105 c.

The movable plate 105a is rectangular, two clamping plates 105b are arranged, the positions of the two clamping plates correspond to those of the fixed rod 104f, grooves matched with the clamping plates 105b are formed in the clamping plates 105b, when the movable plate 105a and the clamping plates 105b move towards the direction of the fixed rod 104f, the grooves are clamped on the fixed rod 104f, the fixed rod 104f and the filter screen 104a are limited and fixed through the clamping plates 105b, the stability of the movable plate is further improved, the threaded rod 105d is connected with the movable plate 105a through a bearing, when fixing is needed, the threaded rod 105d is manually rotated, the movable plate 105a and the clamping plates 105b are driven to move through the threaded rod 105d until the grooves in the clamping plates 105b are inserted into the fixed rod 104 f.

The limiting member 105 further includes a limiting block 105e fixed on the fixing rod 104f and located in the mounting hole K, and the clamping plate 105b is located at the top of the limiting block 105 e.

Stopper 105e is the rectangle, and its card is in mounting hole K, and when cardboard 105b joint was on dead lever 104f, stopper 105e was located cardboard 105b bottom, can further carry on spacingly to filter screen 104a through stopper 105e this moment, prevents that it from reciprocating in the use, influences the filter effect.

The limiting member 105 further includes a limiting strip 105f fixed to two sides of the top of the fixing frame 101, two sides of the bottom of the moving plate 105a are both provided with a limiting groove J, and the limiting strip 105f slides in the limiting groove J.

The moving plate 105a is limited by the limiting strip 105f and the limiting groove J, and the moving plate is prevented from shifting in the process of moving left and right.

The rest of the structure is the same as that of embodiment 1.

Example 3

Referring to fig. 1 to 6, a third embodiment of the present invention is different from the second embodiment in that a dry-type transformer assembly 200 includes a housing 201, an iron core 202, a top cover 203, and a supporting member 204, wherein the iron core 202 is disposed in the housing 201, the top cover 203 is disposed on the top of the housing 201, the supporting member 204 is fixed at four corners of the bottom of the housing 201, and a heat dissipation assembly 100 is disposed at the bottom of one side of the housing 201.

The shell 201 and the top cover 203 play a protection effect, and the top cover 203 is provided with a vent hole for improving the cooling efficiency, and the support piece 204 is used for supporting the device, so that the installation is more stable.

A heat dissipation channel S is formed in the housing 201, a heat dissipation hole M is formed in the top of the heat dissipation channel S, and the fixing frame 101 is fixed to the end of the heat dissipation channel S. The heat dissipation channel S is rectangular and located below the iron core 202, and the centrifugal fan 102 blows air into the heat dissipation channel S and then blows air upwards into the iron core 202 through the heat dissipation holes M, so as to achieve a heat dissipation effect.

The supporting member 204 includes a supporting rod 204a and a non-slip mat 204b, the supporting rod 204a is fixed to the bottom end of the casing 201, and the non-slip mat 204b is fixed to the bottom end of the supporting rod 204 a. The supporting rod 204a is used for supporting the whole device, so that the stability of the device after installation is improved, the friction force between the device and the ground is improved through the non-slip mat 204b, and the stability of the device is further improved.

The rest of the structure is the same as that of embodiment 2.

Referring to fig. 1 to 6, when the device is used, air is blown into a heat dissipation channel S through a centrifugal fan 102 and then is blown upwards into an iron core 202 through heat dissipation holes M to achieve a heat dissipation effect, in the blowing process, air blown into the iron core 102 is filtered through a filter screen 104a, excessive impurities are prevented from entering the interior of the iron core and affecting the use of the iron core, after the device is used for a period of time, a threaded rod 105d is manually rotated, a moving plate 105a and a clamping plate 105b are driven to move outwards through the threaded rod 105d, the clamping plate 105b is separated from a fixed rod 104f, and then the filter screen 104a is taken out.

It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. A cooling system, characterized by: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

radiating component (100), including fixed frame (101), centrifugal fan (102), accept (103), filter piece (104) and locating part (105), centrifugal fan (102) set up in the fixed frame (101) outside, accept (103) are fixed in centrifugal fan (102) bottom, filter piece (104) and be located in fixed frame (101), locating part (105) set up in fixed frame (101) top.

2. The cooling system of claim 1, wherein: the bearing piece (103) comprises a bearing frame (103 a) and a connecting plate (103 b), the connecting plate (103 b) is fixed to the bottom of the centrifugal fan (102), and the bearing frame (103 a) is fixed to the bottom of the connecting plate (103 b).

3. The cooling system according to claim 1 or 2, wherein: filter (104) and include filter screen (104 a), spacing frame (104 b), sealing strip (104 c) and guide plate (104 d), filter screen (104 a) are located in fixed frame (101), spacing frame (104 b) are fixed in bottom wall both sides in fixed frame (101), filter screen (104 a) bottom is located in spacing frame (104 b), sealing strip (104 c) are fixed in roof both sides in fixed frame (101), guide plate (104 d) are fixed in fixed frame (101), and are located filter screen (104 a) one side.

4. The cooling system of claim 3, wherein: filter piece (104) and still include limiting plate (104 e), dead lever (104 f) and diaphragm (104 g), limiting plate (104 e) are fixed in filter screen (104 a) top, mounting hole (K) have been seted up at fixed frame (101) top, limiting plate (104 e) are located in mounting hole (K), dead lever (104 f) are fixed in limiting plate (104 e) top both sides, diaphragm (104 g) with dead lever (104 f) top is fixed.

5. The cooling system of claim 4, wherein: locating part (105) are including movable plate (105 a), cardboard (105 b), fixed block (105 c) and threaded rod (105 d), movable plate (105 a) slide in fixed frame (101) top, cardboard (105 b) are fixed in movable plate (105 a) both sides, fixed block (105 c) are fixed in fixed frame (101) top outside, threaded rod (105 d) rotate connect in the movable plate (105 a) outside, and with fixed block (105 c) threaded connection.

6. The cooling system of claim 5, wherein: the limiting part (105) further comprises a limiting block (105 e) which is fixed on the fixing rod (104 f) and located in the mounting hole (K), and the clamping plate (105 b) is located at the top of the limiting block (105 e).

7. The cooling system according to claim 5 or 6, wherein: the limiting part (105) further comprises a limiting strip (105 f) which is fixed on two sides of the top of the fixed frame (101), limiting grooves (J) are formed in two sides of the bottom of the moving plate (105 a), and the limiting strip (105 f) slides in the limiting grooves (J).

8. A dry-type transformer, characterized by: comprising a cooling system according to any one of claims 1 to 7; and the number of the first and second groups,

dry-type transformer subassembly (200), including shell (201), iron core (202), top cap (203) and support piece (204), iron core (202) set up in shell (201), top cap (203) set up in shell (201) top, support piece (204) are fixed in shell (201) bottom four corners, radiator unit (100) set up in shell (201) one side bottom.

9. A dry transformer as claimed in claim 8, wherein: a heat dissipation channel (S) is formed in the shell (201), a heat dissipation hole (M) is formed in the top of the heat dissipation channel (S), and the fixing frame (101) is fixed to the end of the heat dissipation channel (S).

10. A dry transformer as claimed in claim 9, wherein: the supporting member (204) comprises a supporting rod (204 a) and a non-slip mat (204 b), the supporting rod (204 a) is fixed with the bottom end of the shell (201), and the non-slip mat (204 b) is fixed with the bottom end of the supporting rod (204 a).