CN214482037U

CN214482037U - Passive cooling structure of control cubicle of transformer substation

Info

Publication number: CN214482037U
Application number: CN202120624952.6U
Authority: CN
Inventors: 吴宇; 杨荣清; 魏俊姣; 苏文君
Original assignee: Putian Power Supply Co of State Grid Fujian Electric Power Co Ltd
Current assignee: Putian Power Supply Co of State Grid Fujian Electric Power Co Ltd
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-10-22
Anticipated expiration: 2031-03-26

Abstract

The utility model relates to a passive cooling structure of a transformer substation control cubicle, which comprises a shell of the control cubicle, wherein the outer side of the shell is provided with a bulge for increasing the external radiation area; an anti-rust layer is attached to and covered on the bulge on the outer side of the shell; a plurality of through holes are arranged to penetrate through the shell and the anti-rust layer; the outer side of the antirust layer is covered with a heat dissipation layer in a laminating manner, and the heat dissipation layer is made of a radiation refrigeration film; a transparent protective layer is covered on the outer side of the heat dissipation layer in a laminating manner; the heat conducting rods are arranged in the through holes, one ends of the heat conducting rods are in contact with the heat dissipation layer, and heat conducting fins are fixed at the other ends of the heat conducting rods; the heat conducting fin is fixed on the end surface of the inner side of the shell; a slit is arranged to penetrate through the heat dissipation layer and the protective layer; the slits divide the heat dissipation layer and the protective layer into a plurality of areas which are not in contact with each other. The utility model discloses an outer heat dissipation layer reflects sunshine, radiates to the back with the inside energy absorption of equipment simultaneously to reach passive refrigerated effect. And the damage of the cooling structure caused by the thermal deformation of the shell is reduced through the divided areas which are not in contact with each other.

Description

Passive cooling structure of control cubicle of transformer substation

Technical Field

The utility model relates to a transformer substation converges and controls passive cooling structure of cabinet belongs to passive cooling structure technical field.

Background

The heating problem of the equipment such as the transformer substation control cubicle, the control cubicle and the terminal box is an important reason for equipment damage. The main sources of heat generated by the control cubicle are the self-heating inside the equipment and the external heat transfer. The sources of external heat transfer are heat conduction due to excessive outdoor temperature and radiative heat conduction in direct sunlight. The existing solution is to install heat exchanger or air conditioner active cooling equipment in the control cubicle. The active cooling equipment has the disadvantages that the active cooling equipment needs to be started up and operated for a long time, the early investment cost and the later maintenance cost are high, the energy consumption is high, and meanwhile, the environment is relatively high in destructiveness. Meanwhile, the temperature difference between the two sides of the control cubicle shell is large, and the control cubicle shell is easily damaged.

SUMMERY OF THE UTILITY MODEL

In order to overcome the problem, the utility model provides a passive cooling structure of transformer substation's collection accuse cabinet, this cooling structure reflects sunshine through outer heat dissipation layer, and with the external radiation after the inside energy absorption of equipment simultaneously to reach passive refrigerated effect. And the damage of the cooling structure caused by the thermal deformation of the shell is reduced through the divided areas which are not in contact with each other.

The technical scheme of the utility model as follows:

a passive cooling structure of a transformer substation control cubicle comprises a shell of the control cubicle, wherein the outer side of the shell is subjected to protruding treatment and used for increasing the external radiation area; an anti-rust layer is attached to and covered on the bulge on the outer side of the shell; a plurality of through holes are arranged to penetrate through the shell and the anti-rust layer; a heat dissipation layer is attached to and covered on the outer side of the anti-rust layer, and the heat dissipation layer is made of a radiation refrigeration film; a transparent protective layer is covered on the outer side of the heat dissipation layer in a laminating manner; the heat conducting rods are arranged in the through holes, one ends of the heat conducting rods are in contact with the heat dissipation layer, and heat conducting fins are fixed at the other ends of the heat conducting rods; the heat conducting fins are fixed on the end surface of the inner side of the shell; a slit is arranged to penetrate through the heat dissipation layer and the protective layer; the slits divide the heat dissipation layer and the protective layer into a plurality of areas which are not in contact with each other.

Preferably, the material of the heat dissipation layer is a reflective radiation refrigeration film.

Preferably, the protective layer is made of high-temperature-resistant and oxidation-resistant material.

Preferably, the material of the heat conducting rod and the heat conducting fin is copper.

Furthermore, the outer side of the shell is processed in a protruding mode and is in a wave shape.

The utility model discloses following beneficial effect has:

1. this passive cooling structure can reflect the sunshine and shine to distribute away the heat of equipment itself through the form of radiation. Compared with active cooling, the method saves more energy and reduces the emission of harmful substances.

2. This passive cooling structure is through the heat conduction pole of connecting the inside and outside for the inside and outside difference in temperature of collection accuse cabinet shell reduces, has reduced the shell damage because of inside and outside difference in temperature leads to.

3. This passive cooling structure cuts apart into a plurality of areas that do not contact each other with heat dissipation layer and inoxidizing coating to leave the gap, when the shell is heated and takes place deformation, heat dissipation layer and inoxidizing coating are difficult for being damaged.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention.

Fig. 2 is a side view of the housing of the present invention.

The reference numbers in the figures denote:

1. a housing; 2. a rust-proof layer; 3. a through hole; 4. a heat dissipation layer; 5. a protective layer; 6. a heat conducting rod; 7. a heat conductive sheet; 8. a slit; 9. and (4) a region.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1-2, a passive cooling structure of a substation control cubicle is characterized by comprising a housing 1 of the control cubicle, wherein the outer side of the housing 1 is subjected to a protruding treatment for increasing the external radiation area; an anti-rust layer 2 is attached to and covered on the bulge on the outer side of the shell 1, and the anti-rust layer 2 can prevent the shell 1 from being rusted; a plurality of through holes 3 are arranged to penetrate through the shell 1 and the anti-rust layer 2; the outer side of the antirust layer 2 is covered with a heat dissipation layer 4 in a laminating manner, the heat dissipation layer 4 is made of a radiation refrigeration film, and the radiation refrigeration film can radiate outwards to achieve the effect of reducing the temperature of the radiation refrigeration film; the transparent protective layer 5 is covered on the outer side of the heat dissipation layer 4 in a laminating manner, the radiation refrigeration film is poor in mechanical property and easy to damage, and the transparent protective layer 5 can protect the heat dissipation layer 4 and simultaneously does not influence the heat dissipation effect of the heat dissipation layer 4; a plurality of heat conducting rods 6 are arranged in the through holes 3, one ends of the heat conducting rods 6 are in contact with the heat dissipation layer 4, heat conducting fins 7 are fixed at the other ends of the heat conducting rods 6, and the heat conducting rods 6 reduce the temperature difference between the inner side and the outer side of the shell 1 through heat transfer to prevent the shell 1 from being damaged due to overlarge temperature difference between the inner side and the outer side; the heat conducting fin 7 is fixed on the end surface of the inner side of the shell 1; a slit 8 is arranged through the heat dissipation layer 4 and the protective layer 5; the slit 8 will the heat dissipation layer 4 with the inoxidizing coating 5 is divided into a plurality of not contact each other regional 9 when shell 1 is heated and is out of shape, the slit 8 leaves the surplus for heat dissipation layer 4 and inoxidizing coating 5, can prevent shell 1 is because of expend with heat and contract with cold, excessive deformation damage heat dissipation layer 4 and inoxidizing coating 5.

In at least one embodiment, the material of the heat dissipation layer 4 is a reflective radiation cooling film. The reflective refrigeration film can reduce the absorption of illumination and the absorbed heat

In at least one embodiment, the protective layer 5 is a high temperature resistant, oxidation resistant material.

In at least one embodiment, the material of the heat conduction rod 6 and the heat conduction sheet 7 is copper. The temperature difference between the inside and the outside of the shell 1 is reduced to the minimum by utilizing good heat conduction effect

In at least one embodiment, the outer side of the housing 1 is embossed in a wave shape.

Referring to fig. 1-2, the working principle of the present invention is as follows:

when the utility model is used, firstly, the outer side of the shell 1 of the control cubicle is covered with the anti-rust layer 2, and a plurality of through holes 3 which run through the shell 1 and the anti-rust layer 2 are arranged; fixing a heat conducting rod 6 in the through hole 3, and fixing a heat conducting sheet 7 on the inner side of the shell 1 and covering the through hole 3; the heat dissipation layer 4 is covered above the antirust layer 2, and the protective layer 5 is covered above the heat dissipation layer 4. The heat dissipation layer 4 and the protective layer 5 are divided into a number of areas 9 that are not in contact with each other by a number of slits 8 that extend through the protective layer 5 and the heat dissipation layer 4. When the sunlight irradiates, the heat dissipation layer 4 reflects part of the sunlight, the absorption of the shell 1 to the sunlight is reduced, and meanwhile, the temperature of the shell 1 is lowered in an external radiation mode. The heat conducting rod 6 is used for adjusting the temperature difference between the inside and the outside of the shell 1. This passive cooling structure does not influence the use of active cooling equipment, and collocation active cooling equipment can reach better cooling effect, reduces the damage of converging each part of accuse cabinet simultaneously, less active cooling equipment's energy resource consumption.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same principle as the protection scope of the present invention.

Claims

1. The passive cooling structure of the transformer substation control cubicle is characterized by comprising a shell (1) of the control cubicle, wherein the outer side of the shell (1) is subjected to bulge treatment for increasing the external radiation area; an anti-rust layer (2) is attached to and covered on the bulge on the outer side of the shell (1); a plurality of through holes (3) are arranged to penetrate through the shell (1) and the anti-rust layer (2); the outer side of the antirust layer (2) is attached and covered with a heat dissipation layer (4), and the heat dissipation layer (4) is made of a radiation refrigeration film; a transparent protective layer (5) is attached to and covered on the outer side of the heat dissipation layer (4); a plurality of heat conducting rods (6) are arranged in the through holes (3), one ends of the heat conducting rods (6) are in contact with the heat dissipation layer (4), and heat conducting fins (7) are fixed at the other ends of the heat conducting rods; the heat conducting fins (7) are fixed on the end surface of the inner side of the shell (1); a slit (8) is arranged to penetrate through the heat dissipation layer (4) and the protective layer (5); the slits (8) divide the heat dissipation layer (4) and the protective layer (5) into a plurality of areas (9) which are not in contact with each other.

2. The substation control cubicle passive cooling structure according to claim 1, characterized in that the material of the heat dissipation layer (4) is a reflective radiation refrigeration film.

3. The substation cubicle passive cooling structure according to claim 1, characterized in that said protective layer (5) is a high temperature resistant and oxidation resistant material.

4. The substation control cubicle passive cooling structure according to claim 1, characterized in that the material of said heat conducting rod (6) and said heat conducting fins (7) is copper.

5. The passive cooling structure of the substation control cubicle according to claim 1, characterized in that the outside of the housing (1) is bulged and waved.