CN215299015U

CN215299015U - Transformer heat abstractor

Info

Publication number: CN215299015U
Application number: CN202121664562.8U
Authority: CN
Inventors: 赵彬; 于晓楠; 施韬略; 崔志鹏
Original assignee: Qingdao CCS Electric Corp
Current assignee: Qingdao CCS Electric Corp
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2021-12-24
Anticipated expiration: 2031-07-21

Abstract

The utility model discloses a transformer heat dissipation device, which comprises a cabinet body, an air guide cover and a plurality of fan components; the cabinet body comprises a bottom wall and a side wall; the transformer is fixed on the bottom wall; at least one air inlet is arranged on the side wall corresponding to the position of the transformer; the wind scooper is fixed in the cabinet body and above the transformer and comprises at least one lateral first opening; air outlets are respectively arranged on the side wall corresponding to the positions of the first openings; each first opening is respectively communicated with the corresponding air outlet; the air guide cover is also provided with a plurality of downward second openings which are communicated with the cabinet body and the air guide cover; the fan assembly comprises a fan and an air box; the air box comprises a downward air suction opening and a lateral air outlet; the fan is fixedly arranged in the air box; each fan assembly is fixedly arranged in the wind scooper; each air suction opening is connected with the corresponding second opening; each air outlet corresponds to the corresponding first opening. The utility model discloses set up a plurality of fans and be the heat dissipation of high power transformer, reduce occupation space, reduce the installation degree of difficulty.

Description

Transformer heat abstractor

Technical Field

The utility model belongs to the technical field of the power supply unit heat dissipation, specifically speaking relates to a transformer heat abstractor.

Background

The power supply device is usually installed with a transformer and other power supply equipment inside. The high-power transformer has larger heat productivity, and the manufacturing cost and the design difficulty of the water cooling system with higher use efficiency are greatly increased; and the forced air cooling then needs great powerful fan, needs great installation space and the great cabinet body of fixed intensity, and if outdoor installation power supply unit, needs outdoor installation, often the installation degree of difficulty is great.

Disclosure of Invention

The utility model provides a transformer heat abstractor sets up a plurality of fan subassemblies and dispels the heat for high power transformer, reduces transformer heat abstractor's installation occupation space, reduces the installation degree of difficulty, improves the installation effectiveness.

In order to solve the technical problem, the utility model discloses a following technical scheme realizes:

a transformer heat dissipation device comprises a cabinet body, an air guide cover and a plurality of fan assemblies;

the cabinet body comprises a bottom wall and a side wall; the transformer is fixedly arranged on the bottom wall; at least one air inlet is formed in the position, corresponding to the transformer, of the side wall;

the wind scooper is fixedly arranged in the cabinet body and above the transformer and comprises at least one lateral first opening; air outlets are respectively arranged on the side wall corresponding to the first openings; each first opening is communicated with the corresponding air outlet; the air guide cover is also provided with a plurality of downward second openings which are communicated with the cabinet body and the air guide cover;

the fan assembly comprises a fan and an air box; the air box comprises a downward air suction opening and a lateral air outlet; the fan is fixedly arranged in the air box; each fan assembly is fixedly arranged in the wind scooper; each air suction opening is correspondingly connected with each second opening respectively and is communicated with the air box and the cabinet body; each air outlet corresponds to the corresponding first opening; and the air exhausted from the air exhaust port is exhausted from the first opening.

In one embodiment, the air guiding cover is provided with one first opening which is in an outward flaring shape; the outer edge of the first opening is matched with the air outlet in an installing mode and is fixedly connected with the air outlet.

In one embodiment, the bellows further comprises a fixed plate and a bottom shell;

the bottom shell is a box body, the upper part of which is provided with a third opening;

the fixing plate is of a plate-shaped structure; the fan is positioned below the fixed plate and is fixedly connected with the fixed plate; the fixing plate is matched with the third opening in an installing mode and is fixedly connected with the bottom shell; the fan is located in the bottom shell.

In one embodiment, the bellows is a square box;

the fixed plate comprises a rectangular top plate and side plates which are positioned below two opposite side edges of the top plate and fixedly connected with the top plate; the side plates are connected with the bottom shell in an adaptive mode, and the two side plates are located in the bottom shell.

In one embodiment, the air outlet is arranged in a grid mode and is adjacent to the side plate; the air outlet is positioned on the inner side of the first opening;

an air ring is arranged on the inner side of the air suction opening; the fan is a centrifugal fan; the air ring is connected with one end of the fan.

In some embodiments, the air outlet is provided with a grid type isolation net.

In some embodiments, the air inlet is located at a lower portion of the side wall;

each air inlet is provided with a shutter which is a double layer and comprises a first shutter and a second shutter; the first louver is positioned on the outer side of the second louver and is fixedly connected with the second louver.

In some embodiments, the first louver and the second louver are fixedly connected by welding.

In some embodiments, a first water receiving tray and a second water receiving tray are respectively arranged below the first louver and the second louver; the first water pan is positioned below the second water pan; the first water pan is communicated with the second water pan; the first water pan is provided with a water outlet which is communicated with the first water pan and an external environment.

In some embodiments, the first drip tray comprises a first tray bottom; the second water receiving tray comprises a second tray bottom; the first tray bottom and/or the second tray bottom have a slope with a high inside and a low outside.

Compared with the prior art, the utility model discloses an advantage is with positive effect: the utility model discloses a transformer heat dissipation device which is provided with an air guide cover and a plurality of fan components; each fan assembly comprises a fan and an air box; the fans of the fan assemblies jointly realize high-power heat dissipation capacity, meet the heat dissipation requirement of the high-power transformer, adapt to the transverse size of the high-power transformer, do not increase the height of the heat dissipation device, reduce the occupied space of the heat dissipation device and reduce the installation difficulty; the installation difficulty of the transformer heat dissipation device is reduced, and therefore the installation efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a front view of an embodiment of a transformer heat sink according to the present invention;

FIG. 2 is a rear view of an embodiment of a transformer heat sink of FIG. 1;

FIG. 3 is a cross-sectional view A of the embodiment of the transformer heat sink of FIG. 1;

FIG. 4 is a schematic view of the wind scooper;

FIG. 5 is a schematic view of a fan assembly;

FIG. 6 is a schematic view of the air inlet structure;

FIG. 7 is an enlarged view of the structure at B in FIG. 6;

fig. 8 is a schematic view of a first water pan structure.

In the figure, the position of the upper end of the main shaft,

1. a cabinet body; 2. a wind scooper; 3. a fan assembly; 4. a blind window; 5. an isolation net; 6. a water outlet; 7. a transformer; 8. a first water pan; 9. a second water pan; 11. a bottom wall; 12. a side wall; 13. an air outlet; 14. an air inlet; 21. a first opening; 22. a second opening; 31. a fan; 32. an air box; 33. a wind ring; 41. a first louver; 42. a second louver; 81. a first tray bottom; 82. a fourth folded edge; 83. fifthly, folding; 91. a second tray bottom; 92. a second folded edge; 93. thirdly, folding; 321. a fixing plate; 322. a bottom case; 3211. a top plate; 3212. a side plate; 3221. an air outlet; 3222. a third opening; 3223. an air suction opening; 3224. a first folded edge.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7 and fig. 8, the utility model discloses a transformer heat dissipation device, it includes cabinet body 1, wind scooper 2, a plurality of fan assembly 3.

The cabinet body 1 is a box body and comprises a bottom wall 11 and side walls 12; the transformer 7 is positioned in the cabinet body 1 and fixedly arranged on the bottom wall 11. At least one air inlet 14 is arranged on the side wall 12 at a position corresponding to the transformer 7.

The wind scooper 2 is a cover body provided with at least one lateral first opening 21 and a plurality of downward second openings 22, is fixedly arranged in the cabinet body 1 and positioned above the transformer 7, and is communicated with the cabinet body 1 and the wind scooper 2 through the second openings 22.

Air outlets 13 are respectively arranged on the side walls 12 at positions corresponding to the first openings 21, and the first openings 21 are connected with the air outlets 13; the air guide cover 2 is communicated with the external environment through the first opening 21 and the air outlet 13, so that the cabinet body 1 is communicated with the external environment.

The fan assembly 3 comprises a fan 31 and a wind box 32; the air box 32 is a box body provided with an air suction port 3223 and an air exhaust port 3221; the air suction port 3223 is downward opened; the air outlet 3221 is a lateral opening; the fan 31 is fixedly disposed in the bellows 32, and an air flow is sucked through the suction port 3223 and discharged through the discharge port 3221 by the operation of the fan 31.

Each fan component 3 is fixedly arranged in the wind scooper 2; each air suction opening 3223 corresponds to and is connected with each second opening 22; each air outlet 3221 corresponds to the first opening 21, and air exhausted from the air outlet 3221 is exhausted through the first opening 21.

The transformer heat dissipation device of the utility model enables the air flow to enter the cabinet body 1 provided with the transformer 7 from the air inlet 14 through the operation of each fan 31; then, the airflow entering the cabinet 1 enters the air box 32 through each of the second openings 22 and the air suction opening 3223; and then discharged from the air outlet 3221 and through the first outlet and the air outlet 13 to form a circulating air flow, which circularly takes away the heat generated by the transformer 7.

The utility model is suitable for a high-power transformer 7, realizes high-power air flow by arranging a plurality of fan components 3, and meets the heat dissipation requirement of the high-power transformer 7; compared with a single fan 31 with the same capacity, the fan assemblies 3 have the characteristic of small vertical size, are transversely arranged in the air guide cover 2 and distributed above the transformer 7, adapt to the transverse size of the high-power transformer 7, reduce the height of the fan assemblies 3, enable the transformer 7 to dissipate heat uniformly, reduce the height of a transformer heat dissipation device, reduce the occupied space of the transformer heat dissipation device, reduce the installation difficulty and further improve the installation efficiency.

In one embodiment, referring to fig. 1, 2 and 3, the wind scooper 2 is provided with a first outlet which is flared outward. The number of the air outlets 13 is one; the outer edge of first export and the installation adaptation of air outlet 13 to with air outlet 13 fixed connection, reduce the air-out resistance, improve the radiating effect.

The number of the air inlets 14 can be one, two, three or four; the transformer heat dissipation device in this embodiment is applied to a large transformer 7 and a power supply device. The power supply equipment and the transformer 7 share the cabinet 1, so that an air inlet 14 is provided on the side wall 12 adjacent to the transformer 7.

Preferably, the number of the air inlets 14 is one; the number of the air outlets 13 is one; the air inlet 14 and the air outlet 13 are located on the opposite side walls 12. The air flow passes through the transformer 7 to form convection, and the heat dissipation effect is enhanced.

Preferably, the number of the air inlets 14 is two, and the number of the air outlets 13 is one; the air inlets 14 are respectively located on the same side wall 12 as the air outlet 13 and opposite to the air outlet. The air flow passes through the transformer 7 to form convection and the air flow passes through the transformer 7 at the same side to form convection, so that the heat dissipation of the transformer 7 is more uniform, and the heat dissipation effect is enhanced.

Of course, the number of the air inlets 14 can be three or four, and two are preferred to reduce the risk of foreign objects entering.

In one embodiment, referring to fig. 3 and 5, the bellows 32 further includes a fixing plate 321 and a bottom shell 322; the bottom case 322 is a box body having a third opening 3222 formed at an upper portion thereof.

The fixing plate 321 is a plate-shaped structure, and is fitted into the third opening 3222 and fixedly mounted on the third opening 3222. The fan 31 is located below the fixing plate 321, fixedly connected to the fixing plate 321, and located in the bottom case 322.

In the assembly of this embodiment, the fan 31 is first fixedly connected to the fixing plate 321, so that the difficulty in connecting the fan 31 to the fixing plate 321 is reduced, and the installation efficiency of the fan 31 is improved; then, the fixing plate 321 is fixedly connected with the bottom case 322; the accessible screw is realized, and is swift high-efficient.

Preferably, a horizontal first folding edge 3224 is disposed at an edge of the third opening 3222, and is used for receiving the fixing plate 321 and fixedly connecting with the fixing plate 321, so that the fixing plate 321 is quickly positioned, the connection efficiency is improved, and further, the installation efficiency is improved.

In one embodiment, referring to fig. 3 and 5, the bellows 32 is a square box; the fixing plate 321 includes a rectangular top plate 3211 and side plates 3212 located below two opposite sides of the top plate 3211 and fixedly connected to the top plate 3211. The side plates 3212 are vertically connected and adapted to the bottom case 322 and are installed in the bottom case 322.

Preferably, a guide rail adapted to the two side plates 3212 is disposed in the box, and the fixing plate 321 is installed on the bottom case 322 by moving the side plates 3212 downward along the guide rail, so that the assembling efficiency is improved, and the fixing plate 321 and the bottom case 322 are accurately positioned by connecting the side plates 3212 to the guide rail, thereby improving the installation accuracy.

In one embodiment, referring to fig. 3 and 5, the exhaust outlet 3221 is arranged in a grid pattern, and is adjacent to the side plate 3212. The mesh type air outlet 3221 enhances the strength of the bottom case 322 while achieving air discharge.

The air exhaust outlet 3221 is located inside the first opening 21.

An air ring 33 is arranged at the inner side of the air suction opening 3223; the fan 31 is a centrifugal fan; the air ring 33 is respectively connected with one end of the fan 31 and the air suction port 3223, so that the centrifugal fan 31 can efficiently suck and exhaust air.

The connecting structure of the fixing plate 321 and the bottom shell 322 also increases the connection precision of the fan 31 and the air ring 33, and reduces poor air leakage.

In some embodiments, referring to fig. 1 and 3, a grid-type separation net 5 is disposed on the air outlet 13.

The present embodiment prevents foreign objects from entering when the transformer 7 and the power supply apparatus are not operated and are operated.

In some embodiments, referring to fig. 1, 2, 3, 6, 7 and 8, each air inlet 14 is located at a lower portion of the side wall 12 and is provided with a louver 4. The louver 4 is a double layer, and comprises a first louver 41 and a second louver 42; the first louver 41 is located outside the second louver 42, and is fixedly connected to the second louver 42.

The present embodiment reduces foreign objects, such as insects, leaves, rainwater, etc., entering the cabinet 1 with the wind flow through the double-layered louver 4. The running safety of the transformer 7 and the power supply equipment is improved.

Preferably, the first louver 41 and the second louver 42 are fixedly connected by welding.

In some embodiments, referring to fig. 1, 2, 3, 6, 7 and 8, a first water-receiving tray 8 and a second water-receiving tray 9 are respectively arranged below the first louver 41 and the second louver 42; the first water pan 8 is positioned below the second water pan 9; the first water pan 8 is communicated with the second water pan 9; the first water pan 8 is provided with a water outlet 6 which communicates the first water pan 8 with the external environment.

In the transformer heat dissipation device of the embodiment, rainwater blocked by the louver 4 drops to the first water pan 8 and the second water pan 9; rainwater in the second water pan 9 flows into the first water pan 8 lower than the second water pan 9; the rainwater in the first water pan 8 and the rainwater flowing into the first water pan 8 from the second water pan 9 are discharged to the external environment through the water outlet 6. Prevent rainwater from entering the cabinet body 1, and increase moisture in the cabinet body 1 to cause short-circuit accidents.

In some embodiments, referring to fig. 1, 2, 3, 6, 7 and 8, the first drip tray 8 comprises a first tray bottom 81; the second water pan 9 comprises a second pan bottom 91; the first tray bottom 81 and/or the second tray bottom 91 have a slope with a high inside and a low outside.

This embodiment makes the rainwater drip to flow out the cabinet body 1 more easily behind first water collector 8, the second water collector 9, prevents to have the rainwater on the cabinet body 1, causes the corrosion and the interior humidity of the cabinet body 1 to rise.

Preferably, the second water pan 9 is a flat plate structure disposed below the second louver 42, and has a high inside and a low outside, and the inner side edge is provided with a second folded edge 92 which is vertically upward, and the outer side edge is provided with a third folded edge 93 which is vertically downward; the second folding edge 92 is positioned at the inner side of the second louver 42 and is fixedly connected with the second louver 42; and two ends of the second water pan 9 are blocked.

Preferably, the first water pan 8 is a box body with an opening at the upper part; the third folding edge 93 is positioned in the first water receiving tray 8. The first water pan 8 is of a flat plate structure, and the inner side edge of the first water pan is provided with a fourth folded edge 82 which is vertically upward; the outer side edge is provided with a fifth folded edge 83 which is vertically upward; the water outlet 6 is arranged on the notch of the fifth folding edge 83; the two ends of the first water pan 8 are sealed.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A transformer heat sink, comprising:

a cabinet body comprising a bottom wall and a side wall; the transformer is fixedly arranged on the bottom wall; at least one air inlet is formed in the position, corresponding to the transformer, of the side wall;

a plurality of fan assemblies; the fan assembly comprises a fan and an air box; the air box comprises a downward air suction opening and a lateral air outlet; the fan is fixedly arranged in the air box; each fan assembly is fixedly arranged in the wind scooper; each air suction opening is correspondingly connected with each second opening respectively and is communicated with the air box and the cabinet body; each air outlet corresponds to the corresponding first opening; and the air exhausted from the air exhaust port is exhausted from the first opening.

2. The transformer heat sink according to claim 1, wherein the air guiding cover is provided with one of the first openings, which is flared outward; the outer edge of the first opening is matched with the air outlet in an installing mode and is fixedly connected with the air outlet.

3. The transformer heat sink according to claim 1, wherein the air box further comprises a fixing plate, a bottom shell;

4. The transformer heat sink according to claim 3, wherein the bellows is a square box;

5. The transformer heat dissipation device according to claim 4, wherein the air outlet is arranged in a grid pattern adjacent to the side plate; the air outlet is positioned on the inner side of the first opening;

6. The transformer heat dissipation device according to any one of claims 1 to 5, wherein the air outlet is provided with a grid-type isolation net.

7. The transformer heat sink according to any one of claims 1 to 5, wherein the air inlet is located at a lower portion of the side wall;

8. The transformer heat sink according to claim 7, wherein the first louver and the second louver are fixedly connected by welding.

9. The transformer heat sink according to claim 7, wherein a first water pan and a second water pan are respectively disposed under the first louver and the second louver; the first water pan is positioned below the second water pan; the first water pan is communicated with the second water pan; the first water pan is provided with a water outlet which is communicated with the first water pan and an external environment.

10. The transformer heat sink of claim 9, wherein the first water-receiving tray comprises a first tray bottom; the second water receiving tray comprises a second tray bottom; the first tray bottom and/or the second tray bottom have a slope with a high inside and a low outside.