CN217281692U

CN217281692U - Novel heat dissipation box-type substation

Info

Publication number: CN217281692U
Application number: CN202220011048.2U
Authority: CN
Inventors: 张发金; 谭颖君; 林国华; 李英裴
Original assignee: ZHUHAI COMKING ELECTRIC CO Ltd
Current assignee: ZHUHAI COMKING ELECTRIC CO Ltd
Priority date: 2022-01-05
Filing date: 2022-01-05
Publication date: 2022-08-23
Anticipated expiration: 2032-01-05

Abstract

The utility model discloses a novel heat dissipation box-type substation, including box and substation equipment, substation equipment establishes in the box, and the box includes the base, shell and case lid, and the shell is established on the base, and the top at the shell is established to the case lid, is provided with first baffle and second baffle about in the shell, forms the hyperbaric chamber between one side of first baffle and shell, forms the transformer room between first baffle and the second baffle, forms the low-pressure chamber between second baffle and the shell opposite side, is equipped with first mesh board on the base, is equipped with the second mesh board between case lid and the shell, is equipped with cooling fan in the case lid. The cooling fan is used for pumping hot air generated by the power transformation equipment to the box cover, transferring heat to the box cover through the contact of the hot air and the box cover, and the base is provided with the first mesh plate, so that cold air at the bottom of the box body can enter the box body through the first mesh plate, convection of the air is formed, the cooling efficiency is improved, and a shutter is not required to be arranged on the shell.

Description

Novel heat dissipation box-type substation

Technical Field

The utility model relates to a box-type substation structure field especially relates to a novel heat dissipation box-type substation.

Background

The box-type substation, also called a pre-installed substation or a pre-installed substation, is a high-voltage switch equipment, a distribution transformer and a low-voltage distribution device, organically combines the functions of transformer voltage reduction, low-voltage distribution and the like together, can be integrally and directly hoisted to a specified position after being pre-assembled in a factory, and is convenient to install.

Because install electrical equipment such as low-voltage switchgear, high-voltage switchgear and power transformer in the box-type substation usually, these electrical equipment inevitably produce in the course of the work and generate heat, box-type substation sets up in the open air usually moreover, also causes the intensification in the box-type substation easily when the external temperature is higher, can cause more trouble when the temperature is higher in box-type substation, for example make the circuit breaker normally cut off load and short-circuit current etc. consequently, it is especially important to solve box-type substation's heat dissipation problem.

The heat dissipation of current box-type substation is through setting up a plurality of shutters on the shell, through the hot-air outgoing in these shutters with box-type substation to on this basis, set up exhaust fan in box-type substation, in order to strengthen the convection current of inside air, thereby accelerate to pass through the shutter with the hot-air and discharge, nevertheless because the setting of shutter makes box-type substation and external direct be linked together, is difficult to satisfy requirements such as dustproof and dampproofing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel heat dissipation box-type substation to solve one or more technical problem in the above-mentioned background art.

To achieve the purpose, the utility model adopts the following technical proposal:

a novel heat dissipation box type transformer substation comprises a box body and a transformer device, wherein the transformer device is arranged in the box body, the box body comprises a base, a shell and a box cover, the shell is arranged on the base, the box cover is arranged above the shell, a first clapboard and a second clapboard are arranged on the left and the right in the shell, a high-pressure chamber is formed between the first clapboard and one side of the shell, a transformer chamber is formed between the first partition plate and the second partition plate, a low-pressure chamber is formed between the second partition plate and the other side of the shell, the base is provided with a first mesh plate which is provided with a low-voltage wire inlet and a high-voltage wire outlet, a second mesh plate is arranged between the box cover and the shell, a heat radiation fan is arranged in the box cover, the air inlet end of the heat dissipation fan faces towards the inside of the shell, and the air outlet end of the heat dissipation fan faces towards the inside of the box cover.

Preferably, the transformer chamber further comprises two heat-conducting covers, the number of the heat-radiating fans is two, the two heat-radiating fans are arranged above the transformer chamber in the front and at the back, air inlets of the two heat-conducting covers are respectively communicated with air outlets of the two heat-radiating fans, and air outlets of the two heat-conducting covers respectively extend to the upper portions of the low-pressure chamber and the high-pressure chamber.

Preferably, the base comprises a bottom frame and the first mesh plate, and the first mesh plate is respectively arranged on the upper side and the lower side of the bottom frame.

Preferably, the case lid includes upper ledge, a plurality of top frame and top shrouding, the upper ledge is established the top of shell, and is a plurality of establish about the top frame on the upper ledge, the top shrouding is established the top of top frame, radiator fan establishes in the upper ledge, the second mesh board is established the bottom of upper ledge.

Preferably, the case cover further comprises side sealing plates, the side sealing plates are arranged at two ends of the upper frame, and the upper ends of the side sealing plates are connected with the top sealing plate.

Preferably, a plurality of strip-shaped protrusions are uniformly arranged on the top sealing plate.

Preferably, the mesh sizes of the first mesh plate and the second mesh plate are phi 3 mm.

The utility model has the advantages that: the utility model discloses a cooling fan is used for drawing the hot-air that transformer equipment produced to the case lid in, through hot-air and case lid contact with heat transfer to case lid on, and be equipped with first mesh board on the base for in the first mesh board of the cold air accessible of bottom half gets into the box, thereby form the convection current of air, improved the radiating efficiency, the utility model discloses need not to set up the shutter on the shell, avoid causing dustproof effect to descend because of the dust is easy through the inside that the shutter inhales the box.

Drawings

The accompanying drawings are provided to further illustrate the present invention, but the content in the accompanying drawings does not constitute any limitation to the present invention.

Fig. 1 is a schematic structural diagram of a base according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of the external structure of one embodiment of the present invention;

FIG. 3 is a schematic front and rear cross-sectional view of a housing according to an embodiment of the present invention;

fig. 4 is a schematic diagram of a left and right cross-section of a box according to one embodiment of the present invention.

Wherein: the high-voltage switch cabinet comprises a base 11, a shell 12, a box cover 13, a first partition plate 141, a second partition plate 142, a high-voltage chamber 15, a transformer chamber 16, a low-voltage chamber 17, a first mesh plate 112, a low-voltage wire inlet 113, a high-voltage wire outlet 114, a second mesh plate 132, a heat dissipation fan 3, a heat conduction cover 31, a bottom frame 111, an upper frame 131, a top frame 133, a top sealing plate 134, a side sealing plate 135, a strip-shaped protrusion 136, an access opening 115, a chamber door 121, a high-voltage switch cabinet 21, a power transformer 22 and a low-voltage switch cabinet 23.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

The novel heat dissipation box-type substation of the embodiment comprises a box body and substation equipment, wherein the substation equipment is arranged in the box body, referring to fig. 1 and 2, the box body comprises a base 11, a shell 12 and a box cover 13, the shell 12 is arranged on the base 11, the box cover 13 is arranged above the shell 12, a first partition plate 141 and a second partition plate 142 are arranged on the left and right sides in the shell 12, a high-pressure chamber 15 is formed between the first partition plate 141 and one side of the shell 12, a transformer chamber 16 is formed between the first partition plate 141 and the second partition plate 142, and a low-pressure chamber 17 is formed between the second partition plate 142 and the other side of the shell 12; a first mesh plate 112 is arranged on the base 11, a low-voltage wire inlet 113 and a high-voltage wire outlet 114 are arranged on the first mesh plate 112, and a second mesh plate 132 is arranged between the box cover 13 and the shell 12; referring to fig. 3 and 4, a heat dissipation fan 3 is disposed in the case cover 13, an air inlet end of the heat dissipation fan 3 is disposed toward the inside of the case 12, and an air outlet end of the heat dissipation fan 3 is disposed toward the inside of the case cover 13, so that the flow direction of the cool air flows from the bottom of the base 11 to the case cover 13 through the inside of the case 12.

The cooling fan 3 of this embodiment is used for pumping the hot-air that transformer equipment produced to the case lid 13 in, contact with case lid 13 through hot-air on with heat transfer to case lid 13, and be equipped with first mesh board 112 on the base 11, make the cold air accessible first mesh board 112 of bottom half get into in the box, thereby form the convection current of air, the radiating efficiency is improved, because the inside that first mesh board 112 got into the box can be followed to the cold air, in order to form the convection current of air, therefore, this embodiment need not to set up the shutter on shell 12, thereby avoid getting into because of the dust effectively, the problem of current box-type substation leads to dustproof effect to descend because of shell 12 is provided with the shutter has been solved. And the setting of second mesh plate 132 has played the effect that prevents the foreign matter and get into in the radiator fan 3, simultaneously, partial hot-air gets into radiator fan 3 again after passing through the mesh on the second mesh plate 132 under radiator fan 3's effect earlier, consequently hot-air can contact and with heat transfer to second mesh plate 132 with second mesh plate 132 on, has increased heat radiating area, has improved the radiating efficiency. And because the density of the hot air is low, the hot air floats upwards after being formed, and the heat dissipation fan 3 is arranged above the shell 12 by utilizing the phenomenon, so that the flow of the hot air is more facilitated, and the heat dissipation efficiency is improved.

The power transformation equipment comprises a high-voltage switch cabinet 21, a power transformer 22 and a low-voltage switch cabinet 23, the high-voltage switch cabinet 21 is arranged in a high-voltage chamber 15, the power transformer 22 is arranged in a transformer chamber 16, the power transformer 22 can be an oil-immersed transformer or a dry-type transformer, the low-voltage switch cabinet 23 is arranged in a low-voltage chamber 17, the high-voltage switch cabinet 21 is connected with an external high-voltage cable through a high-voltage wire outlet 114, the low-voltage switch cabinet 23 is connected with an external low-voltage cable through a low-voltage wire inlet 113, and wire inlet and wire outlet at the bottom of the box body are realized. Be equipped with a plurality of doors 121 on the shell 12, a plurality of doors 121 correspond the outside that sets up at transformer room 16, high-pressure chamber 15 and low-pressure chamber 17, and the lower extreme outside of all doors 121 all is equipped with glass and glues to prevent that the rainwater from permeating in the box. The base 11 is further provided with an access hole 115 corresponding to the low-pressure chamber 17, so that the maintenance is facilitated.

Preferably, the transformer heat dissipation device further comprises two heat conduction covers 31, the number of the heat dissipation fans 3 is two, the two heat dissipation fans 3 are arranged above the transformer chamber 16 in a front-back mode, air inlets of the two heat conduction covers 31 are respectively communicated with air outlets of the two heat dissipation fans 3, and air outlets of the two heat conduction covers 31 respectively extend to the upper portions of the low pressure chamber 17 and the high pressure chamber 15. From this, set up two heat conduction covers 31 for guide two radiator fan 3 exhaust hot-air dispersion to the both sides of case lid 13 respectively, avoid the hot-air too concentrated to lead to local overheat in the box, increased the area of contact of hot-air with case lid 13, make full use of case lid 13's surface improves the radiating efficiency. Since the main heating source in the box-type substation is the heat generated by the power transformer 22, the two cooling fans 3 of the present embodiment are both disposed above the transformer room 16 to improve the cooling efficiency of the transformer room 16.

Preferably, the base 11 includes a bottom frame 111 and a first mesh plate 112, and the first mesh plate 112 is respectively laid on the upper and lower sides of the bottom frame 111. From this, all lay first mesh board 112 through the upper and lower both sides at underframe frame 111, further avoided the toy to get into inside the box, the mesh of the first mesh board 112 of the upper and lower both sides of underframe frame 111 is staggered mutually, has played certain dustproof effect, has guaranteed substation equipment's normal operating.

Preferably, the box cover 13 includes an upper frame 131, a plurality of top frames 133 and a top sealing plate 134, the upper frame 131 is disposed above the housing 12, the plurality of top frames 133 are disposed on the upper frame 131 in the left and right direction, the top sealing plate 134 is disposed above the top frame 133, the heat dissipation fan 3 is disposed in the upper frame 131, and the second mesh plate 132 is disposed at the bottom of the upper frame 131. Top frame 133 is isosceles triangle to the shape that high both sides are low in the middle of the top formation of box, the flow of the rainwater of being convenient for when rainwater weather avoids ponding, has still increased the area at box top simultaneously, has increased the area of contact of hot-air with case lid 13 promptly and the area of contact of case lid 13 surface with outside cold air, has improved the radiating efficiency. The bottom of the upper frame 131 is connected to the top of the housing 12, so that the structure of the case is more stable.

Further, the box cover 13 further includes side cover plates 135, the side cover plates 135 are disposed at both ends of the upper frame 131, and upper ends of the side cover plates 135 are connected to the top cover plate 134. The shell 12, the side sealing plates 135 and the top sealing plate 134 form a closed space, and the dustproof performance of the box-type substation is improved.

Further, a plurality of strip-shaped protrusions 136 are uniformly arranged on the top sealing plate 134. Thereby through carrying out the punching press to top shrouding 134 and controlling a plurality of bar-shaped protrusion 136 that evenly set up on the surface formation of top shrouding 134, played the area of contact of increase hot-air and case lid 13 and the area of contact of case lid 13 surface with outside cold air's effect, improved the radiating efficiency.

In addition, in order to further ensure that the temperature in the box body meets the normal operation requirement of the power transformation equipment, a temperature sensor can be arranged in the transformer chamber 16 and electrically connected with the cooling fan 3, or the temperature acquisition end of the power transformer 22 is electrically connected with the cooling fan 3, and when the temperature sensor detects that the temperature in the transformer chamber 16 exceeds a preset value, the rotating speed of the cooling fan 3 is increased so as to accelerate the flow of hot air.

Preferably, the mesh sizes of the first mesh plate 112 and the second mesh plate 132 are both Φ 3 mm. So that the cold and hot air can pass through the first mesh plate 112 or the second mesh plate 132 through the meshes, and can also play a role of preventing the small animals from entering the inside of the cabinet.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims

1. A novel heat dissipation box type transformer substation is characterized by comprising a box body and transformer equipment, wherein the transformer equipment is arranged in the box body, the box body comprises a base, a shell and a box cover, the shell is arranged on the base, the box cover is arranged above the shell, a first partition plate and a second partition plate are arranged on the left and right sides in the shell, a high-pressure chamber is formed between the first partition plate and one side of the shell, a transformer chamber is formed between the first partition plate and the second partition plate, a low-pressure chamber is formed between the second partition plate and the other side of the shell, a first mesh plate is arranged on the base, a low-pressure wire inlet and a high-pressure wire outlet are arranged on the first mesh plate, a second mesh plate is arranged between the box cover and the shell, a heat dissipation fan is arranged in the box cover, and a gas inlet end of the heat dissipation fan is arranged towards the inside of the shell, the exhaust end of the heat radiation fan faces the inside of the box cover.

2. The novel heat dissipation box-type substation of claim 1, characterized in that, further comprises two heat conduction covers, the number of the heat dissipation fans is two, the two heat dissipation fans are arranged above the transformer room in a front-back manner, air inlets of the two heat conduction covers are respectively communicated with air outlets of the two heat dissipation fans, and air outlets of the two heat conduction covers respectively extend to above the low-pressure room and the high-pressure room.

3. The novel heat dissipation box-type substation of claim 1, characterized in that, the base includes a bottom frame and the first mesh plate, and the first mesh plate is respectively arranged on the upper and lower both sides of the bottom frame.

4. The novel heat dissipation box-type substation of claim 1, characterized in that, the case lid includes upper frame, a plurality of top frame and top shrouding, the upper frame is established in the top of shell, and a plurality of top frame is established about the upper frame, the top shrouding is established in the top of top frame, radiator fan establishes in the upper frame, the second mesh board is established the bottom of upper frame.

5. The novel heat dissipation box-type substation of claim 4, characterized in that, the case lid still includes the side seal board, the side seal board is established at the both ends of upper frame, the upper end of side seal board with the top seal board is connected.

6. The novel heat dissipation box-type substation of claim 4, characterized in that a plurality of strip-shaped protrusions are uniformly arranged on the top sealing plate.

7. The novel heat dissipation box-type substation of claim 1, characterized in that the mesh sizes of the first mesh plate and the second mesh plate are phi 3 mm.