CN109256700B - Box-type substation cooling system - Google Patents

Box-type substation cooling system Download PDF

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Publication number
CN109256700B
CN109256700B CN201811210248.5A CN201811210248A CN109256700B CN 109256700 B CN109256700 B CN 109256700B CN 201811210248 A CN201811210248 A CN 201811210248A CN 109256700 B CN109256700 B CN 109256700B
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China
Prior art keywords
plate
chamber
heat dissipation
side end
box body
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Active
Application number
CN201811210248.5A
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Chinese (zh)
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CN109256700A (en
Inventor
孙文明
王坚
孙琦
于旗
余庆
周谷亮
周桂芳
傅晓飞
纪坤华
金海根
张文勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Electric Group (Zhangjiagang) Transformer Co., Ltd
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Shanghai Nanqiao Transformer Co ltd
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Priority to CN201811210248.5A priority Critical patent/CN109256700B/en
Publication of CN109256700A publication Critical patent/CN109256700A/en
Application granted granted Critical
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26—Casings; Parts thereof or accessories therefor
    • H02B1/46—Boxes; Parts thereof or accessories therefor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/56—Cooling; Ventilation
    • H02B1/565—Cooling; Ventilation for cabinets

Abstract

The invention discloses a box-type substation heat dissipation system which comprises a box body and a top cover, wherein the top cover comprises a top plate, side end plates and a lower end plate; the inner cavity of the box body comprises a high-voltage chamber, a transformer chamber and a low-voltage chamber, wherein the high-voltage chamber and the low-voltage chamber are respectively positioned at two sides of the transformer chamber; a first sealing plate for sealing the top of the high-pressure chamber is arranged in the high-pressure chamber, and a second sealing plate for sealing the top of the low-pressure chamber is arranged in the low-pressure chamber; the top plate, the side end plates, the lower end plate, the first sealing plate and the second sealing plate enclose a heat dissipation cavity; the transformer chamber is communicated with the heat dissipation cavity; a plurality of first ventilation holes are formed in the lower end plate, and metal nets are fixedly arranged in the first ventilation holes; a plurality of second ventilation holes are formed in the side end plate, and water baffles are arranged on the second ventilation holes; the roof is equipped with a plurality of third ventilation holes, is equipped with the retaining cap on the third ventilation hole. The box-type substation heat dissipation system has a good heat dissipation effect and has the advantages of compact structure, convenience in manufacturing and high assembly speed.

Description

Box-type substation cooling system
Technical Field
The invention relates to a box-type substation, in particular to a box-type substation heat dissipation system.
Background
The box-type substation is a compact complete set of distribution equipment which combines high-voltage switch equipment, distribution transformers, low-voltage distribution devices and the like in a box body according to a certain wiring scheme.
In the case type transformer substation used at present, a large amount of foundation construction is carried out at the installation position when the box type transformer substation is installed on site, and various components such as a transformer and the like are installed on the foundation.
The existing box-type substation has the following defects: the construction is slow, and the construction period is long; the construction has great influence on the surrounding environment and also has adverse effect on surrounding residents; in case of oil leakage from the transformer, the leaked oil may cause pollution to the surrounding environment.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a box-type substation heat dissipation system.
The invention solves the technical problems through the following technical scheme:
a box-type substation heat dissipation system comprises a box body and a top cover positioned on the box body, wherein the top cover comprises a top plate, side end plates and a lower end plate; the lower end plate is arranged below the top plate; the side end plate is fixedly arranged between the top plate and the lower end plate; the lower end plates are circumferentially distributed along the top of the box body; the inner side end of the lower end plate is fixedly connected to the top of the box body, and the outer side end of the lower end plate is fixedly connected to the side end plate; the side end plates are distributed along the circumferential direction of the lower end plate; the inner cavity of the box body comprises a high-voltage chamber, a transformer chamber and a low-voltage chamber, wherein the high-voltage chamber and the low-voltage chamber are respectively positioned at two sides of the transformer chamber; a first sealing plate for sealing the top of the high-pressure chamber is arranged in the high-pressure chamber, and a second sealing plate for sealing the top of the low-pressure chamber is arranged in the low-pressure chamber; the top plate, the side end plates, the lower end plate, the first sealing plate and the second sealing plate enclose a heat dissipation cavity; the transformer chamber is communicated with the heat dissipation cavity; a plurality of first ventilation holes are formed in the lower end plate, and metal nets are fixedly arranged in the first ventilation holes; a plurality of second ventilation holes are formed in the side end plate, and water baffles are arranged on the second ventilation holes; the roof is equipped with a plurality of third ventilation holes, is equipped with the retaining cap on the third ventilation hole.
The edge of the third vent hole is provided with a water bar, a supporting block for supporting the water blocking cover is fixedly arranged on the water bar, and the upper part of the water bar and the supporting block are accommodated in the inner cavity of the water blocking cover; a gap for ventilation is arranged between the lower end of the water retaining cover and the top plate. The supporting shoe is a plurality ofly. And a larger ventilation space is formed between the supporting blocks. The hot gas passes through the third ventilation hole, the gap between the adjacent supporting blocks, the water retaining cover and the water retaining strip in sequence and then is discharged to the outside of the top cover. Thus, the effects of ventilation and heat dissipation are further improved.
The water bars are distributed along the edge of the third ventilation hole in the circumferential direction. The circumferential water retaining strips can prevent rainwater from entering the third ventilation holes.
The top of the water bar is provided with a transverse plate, and the supporting block is fixedly arranged on the transverse plate. Through setting up the transverse plate for the structure between supporting shoe and the water bar is more firm, has guaranteed the good effect of ventilation.
The box body is provided with a plurality of box doors; the box door is embedded with a ventilation window which is a shutter. The ventilation windows of the box door are distributed up and down to form an up-and-down ventilation channel, so that the heat dissipation performance is improved.
The inner cavity of the box body also comprises an emergency power supply chamber, the emergency power supply chamber is adjacent to the transformer chamber, and a partition plate is arranged between the emergency power supply chamber and the transformer chamber; the partition board is provided with a fourth ventilation hole. And a shutter type ventilation window is arranged on the box door of the emergency power supply chamber, so that hot air in the transformer chamber can be exhausted out of the box body through the fourth ventilation hole. The ventilation space of the emergency power supply chamber becomes an indirect heat dissipation channel of the transformer chamber.
The outer wall of the transformer chamber is a labyrinth heat dissipation plate; the labyrinth heat dissipation plate comprises a lower concave plate, an upper convex plate and a connecting plate; two ends of the lower concave plate are provided with upward vertical bending parts; two ends of the upper convex plate are provided with downward L-shaped bent parts; the lower concave plates are horizontally distributed at intervals; the upper convex plate covers the vertical bending parts of the two adjacent lower concave plates, and the L-shaped bending parts are connected with the lower concave plates through connecting plates. The connecting plate has a plurality ofly, and a plurality of connecting plate interval distribution. The hot gas loops through the gaps between the two vertical bending parts, between the L-shaped bending part and the vertical bending part and between the two adjacent connecting plates and is discharged outside the box body. The labyrinth heat dissipation plate not only plays a supporting role, but also has a good heat dissipation effect.
Two ends of the connecting plate are provided with transverse bending parts which are respectively connected with the L-shaped bending part and the lower concave plate. The two transverse bending parts enable the connection between the connecting plate and the L-shaped bending parts and between the connecting plate and the lower concave plate to be firmer.
The positive progress effects of the invention are as follows: the box-type substation heat dissipation system can dissipate heat through multiple ways such as the top cover and the outer wall, has a good heat dissipation effect, and has the advantages of compact structure, convenience in manufacturing and quickness in assembly.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a top cover according to a preferred embodiment of the invention.
FIG. 3 is a front view of the interior of the box according to the preferred embodiment of the invention.
FIG. 4 is a top view of the interior of the housing according to the preferred embodiment of the invention.
Fig. 5 is a schematic structural view of a labyrinth heat dissipation plate according to a preferred embodiment of the present invention.
Detailed Description
The present invention will be more clearly and completely described in the following description of preferred embodiments, taken in conjunction with the accompanying drawings.
As shown in fig. 1, 2, 3, 4 and 5, a box-type substation heat dissipation system includes a box body 10 and a top cover 20 on the box body, wherein the top cover includes a top plate 21, side end plates 22 and a lower end plate 23.
The lower end plate 23 is arranged below the top plate 21; the side end plate 22 is fixedly arranged between the top plate 21 and the lower end plate 23; the lower end plates 23 are circumferentially distributed along the top of the box body; the inner side end of the lower end plate 23 is fixedly connected to the top of the box body, and the outer side end of the lower end plate 23 is fixedly connected to the side end plate 22; the side end plates 22 are circumferentially distributed along the lower end plate.
The inner cavity of the box body 10 includes a high voltage chamber 11, a transformer chamber 12 and a low voltage chamber 13, and the high voltage chamber 11 and the low voltage chamber 13 are respectively located at two sides of the transformer chamber 12.
A first seal plate 31 for sealing the top of the high pressure chamber is provided in the high pressure chamber 11, and a second seal plate 32 for sealing the top of the low pressure chamber is provided in the low pressure chamber 13.
The top plate 21, the side end plate 22, the lower end plate 23, the first sealing plate 31 and the second sealing plate 32 enclose a heat dissipation cavity 30; the transformer chamber 12 is communicated with the heat dissipation cavity 30.
A plurality of first vent holes 41 are formed in the lower end plate 23, and a metal net 50 is fixedly arranged in each first vent hole 41; a plurality of second ventilation holes 42 are formed in the side end plate 22, and a water baffle 51 is arranged on each second ventilation hole 42; the top plate 21 is provided with a plurality of third ventilation holes 43, and the third ventilation holes 43 are provided with water blocking covers 60.
Further, the edge of the third vent hole 43 is provided with a water bar 61, the water bar 61 is fixedly provided with a supporting block 62 for supporting the water blocking cover, and the upper part of the water bar 61 and the supporting block 62 are both accommodated in the inner cavity of the water blocking cover 60; a gap for ventilation is provided between the lower end of the water blocking cover 60 and the top plate 21. The water bars 61 are circumferentially distributed along the edge of the third ventilation hole 43. Further, a transverse plate 63 is arranged on the top of the water bar 61, and the supporting block 62 is fixedly arranged on the transverse plate 63.
The box body 10 is provided with a plurality of box doors 70; the box door 70 is embedded with a ventilation window 71, which is a shutter.
The inner cavity of the box body 10 further comprises an emergency power supply chamber 14, the emergency power supply chamber 14 is adjacent to the transformer chamber 12, and a partition plate 72 is arranged between the emergency power supply chamber 14 and the transformer chamber 12; the partition plate 72 is provided with a fourth ventilation hole 44.
The outer wall of the transformer chamber 12 is a labyrinth heat dissipation plate 80. The labyrinth heat dissipation plate 80 includes a lower concave plate 81, an upper convex plate 82, and a connection plate 83; two ends of the lower concave plate 81 are provided with upward vertical bent parts 84; the upper protruding plate 82 has downward L-shaped bent portions 85 at both ends; the lower concave plates 81 are horizontally distributed at intervals; the upper convex plate 82 covers the vertical bent part of two adjacent lower concave plates, and the L-shaped bent part 85 and the lower concave plate 81 are connected through a connecting plate 83.
The connecting plate 83 has two ends with transverse bending portions 86 connected to the L-shaped bending portion and the concave plate, respectively.
The transformer chamber in the box body is provided with a transformer which is the largest heat source. The heat in the transformer chamber can be dissipated through the following ways:
1. the lower end plate of the top cover is provided with a first ventilation hole through which heat is dissipated.
2. The side end plate of the top cover is provided with a second ventilation hole through which heat is dissipated.
3. The roof of top cap has the third ventilation hole, dispels the heat through the third ventilation hole.
4. The heat dissipation cavity formed in the top cover is only communicated with the transformer chamber and is not communicated with the high-voltage chamber and the low-voltage chamber, so that the upper parts of the high-voltage chamber and the low-voltage chamber are both called as the heat dissipation cavity of the transformer, the size of the heat dissipation cavity of the transformer chamber is improved, and the heat dissipation effect is further improved.
5. The outer wall of the transformer chamber adopts a labyrinth type heat dissipation plate, so that the heat dissipation effect is further improved.
6. The ventilation space of the emergency power supply chamber becomes an indirect heat dissipation channel of the transformer chamber, and hot air in the transformer chamber can be exhausted out of the box body through the fourth ventilation hole.
7. And a shutter type ventilation window is arranged on a box door of the transformer, so that the heat dissipation effect is further improved.
Through the ventilation and heat dissipation way, the heat dissipation effect is greatly enhanced.
The heat in the high-pressure chamber and the low-pressure chamber can be dissipated through the louver type ventilation window on the box door.
The box-type substation heat dissipation system has a good heat dissipation effect and has the advantages of compact structure, convenience in manufacturing and high assembly speed.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.

Claims (1)

1. A box-type substation cooling system comprises a box body and a top cover positioned on the box body, and is characterized in that the top cover comprises a top plate, side end plates and a lower end plate; the lower end plate is arranged below the top plate; the side end plate is fixedly arranged between the top plate and the lower end plate; the lower end plates are circumferentially distributed along the top of the box body; the inner side end of the lower end plate is fixedly connected to the top of the box body, and the outer side end of the lower end plate is fixedly connected to the side end plate; the side end plates are distributed along the circumferential direction of the lower end plate; the inner cavity of the box body comprises a high-voltage chamber, a transformer chamber and a low-voltage chamber, wherein the high-voltage chamber and the low-voltage chamber are respectively positioned at two sides of the transformer chamber; a first sealing plate for sealing the top of the high-pressure chamber is arranged in the high-pressure chamber, and a second sealing plate for sealing the top of the low-pressure chamber is arranged in the low-pressure chamber; the top plate, the side end plates, the lower end plate, the first sealing plate and the second sealing plate enclose a heat dissipation cavity; the transformer chamber is communicated with the heat dissipation cavity; a plurality of first ventilation holes are formed in the lower end plate, and metal nets are fixedly arranged in the first ventilation holes; a plurality of second ventilation holes are formed in the side end plate, and water baffles are arranged on the second ventilation holes; the top plate is provided with a plurality of third ventilation holes, and the third ventilation holes are provided with water blocking covers; the edge of the third vent hole is provided with a water bar, a supporting block for supporting the water blocking cover is fixedly arranged on the water bar, and the upper part of the water bar and the supporting block are accommodated in the inner cavity of the water blocking cover; a gap for ventilation is formed between the lower end of the water retaining cover and the top plate; the water retaining strips are circumferentially distributed along the edge of the third ventilation hole; the top of the water bar is provided with a transverse plate, and the supporting block is fixedly arranged on the transverse plate; the box body is provided with a plurality of box doors; a ventilation window is embedded in the box door and is a shutter; the inner cavity of the box body also comprises an emergency power supply chamber, the emergency power supply chamber is adjacent to the transformer chamber, and a partition plate is arranged between the emergency power supply chamber and the transformer chamber; the partition plate is provided with a fourth ventilation hole; the outer wall of the transformer chamber is a labyrinth heat dissipation plate; the labyrinth heat dissipation plate comprises a lower concave plate, an upper convex plate and a connecting plate; two ends of the lower concave plate are provided with upward vertical bending parts; two ends of the upper convex plate are provided with downward L-shaped bent parts; the lower concave plates are horizontally distributed at intervals; the upper convex plate covers the vertical bent parts of the two adjacent lower concave plates, and the L-shaped bent parts are connected with the lower concave plates through connecting plates; two ends of the connecting plate are provided with transverse bending parts which are respectively connected with the L-shaped bending part and the lower concave plate.
CN201811210248.5A 2018-10-17 2018-10-17 Box-type substation cooling system Active CN109256700B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811210248.5A CN109256700B (en) 2018-10-17 2018-10-17 Box-type substation cooling system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811210248.5A CN109256700B (en) 2018-10-17 2018-10-17 Box-type substation cooling system

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CN109256700A CN109256700A (en) 2019-01-22
CN109256700B true CN109256700B (en) 2020-10-20

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110676740A (en) * 2019-09-05 2020-01-10 丽水市普明电力建设工程有限公司 Miniaturized energy-conserving european style transformer substation
CN110880705A (en) * 2019-12-09 2020-03-13 山东电工电气集团智能电气有限公司 Heat dissipation top cap, transformer substation box and box-type transformer substation
CN111371023A (en) * 2020-03-20 2020-07-03 安徽富煌电力装备科技有限公司 Rain-proof low-voltage power distribution cabinet
CN113708268A (en) * 2021-08-27 2021-11-26 安徽富煌电力装备科技有限公司 Intelligent high-low voltage cabinet system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202633782U (en) * 2012-06-15 2012-12-26 南车资阳机车有限公司 Protection device for box-type substation of tunnel borer
CN204967074U (en) * 2015-10-17 2016-01-13 山东印鸿电气有限公司 Ventilation cooling box -type substation structure
CN105977837A (en) * 2016-06-29 2016-09-28 杨云泉 Box-type substation having multiple heat radiation modes
CN207939079U (en) * 2018-03-12 2018-10-02 四川达卡电气有限公司 A kind of large capacity 10kV box-type substations

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201927912U (en) * 2010-12-31 2011-08-10 青岛特锐德电气股份有限公司 Labyrinth type door body and box type transformer substation provided with same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202633782U (en) * 2012-06-15 2012-12-26 南车资阳机车有限公司 Protection device for box-type substation of tunnel borer
CN204967074U (en) * 2015-10-17 2016-01-13 山东印鸿电气有限公司 Ventilation cooling box -type substation structure
CN105977837A (en) * 2016-06-29 2016-09-28 杨云泉 Box-type substation having multiple heat radiation modes
CN207939079U (en) * 2018-03-12 2018-10-02 四川达卡电气有限公司 A kind of large capacity 10kV box-type substations

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Effective date of registration: 20201123

Address after: No.5 Xinjing East Road, South District, Zhangjiagang Economic and Technological Development Zone, Suzhou City, Jiangsu Province

Patentee after: Shanghai Electric Group (Zhangjiagang) Transformer Co., Ltd

Address before: 201400, Shanghai, Fengxian District Pu Pu Industrial Zone, Pu Pu Avenue, No. 6

Patentee before: SHANGHAI NANQIAO TRANSFORMER Co.,Ltd.

TR01 Transfer of patent right