CN216794311U

CN216794311U - High-voltage switch cabinet with good heat dissipation performance

Info

Publication number: CN216794311U
Application number: CN202123036722.7U
Authority: CN
Inventors: 方奕华; 吴明星
Original assignee: Hainan Zhengneng Electric Technology Co ltd
Current assignee: Hainan Zhengneng Electric Technology Co ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-06-21
Anticipated expiration: 2031-12-06

Abstract

The utility model provides a high-voltage switch cabinet with good heat dissipation, which comprises a cabinet body, an upper cabinet door and a lower cabinet door, wherein the upper cabinet door and the lower cabinet door are hinged and connected with the cabinet body, the side part of the cabinet body is fixedly connected with a mounting plate, the middle part of the mounting plate is sunken inwards to form a cavity, the upper part of the cavity is provided with a vent communicated with the inside of the cabinet body, the outer side of the cavity is fixedly provided with a cover plate, the lower part of the cover plate is provided with a plurality of side air inlets, the bottom end part of the cover plate is provided with a water outlet, the wall surface of the cabinet body, which is opposite to the vent, is provided with side air outlets, and one side, which is close to the side air outlets, in the cabinet body is provided with an air exhaust assembly for introducing external cold air from the side air inlets to the side air outlets to exhaust the side air outlets. The utility model realizes the transverse and longitudinal ventilation and heat dissipation of the cabinet body, greatly improves the heat dissipation efficiency, leads the air to smoothly enter on the premise of effectively preventing rain, and realizes the aims of rain prevention and ventilation.

Description

High-voltage switch cabinet with good heat dissipation performance

Technical Field

The utility model relates to the technical field of switch cabinets, in particular to a high-voltage switch cabinet with good heat dissipation performance.

Background

The high-voltage switch cabinet is a common electrical device which is used for power generation, power transmission, power distribution, electric energy conversion and consumption of an electric power system and plays roles of on-off, control or protection and the like, and is widely applied to the electric power transmission system. High-voltage switch cabinets are classified into a plurality of categories, such as high-voltage isolating switches, grounding switches, high-voltage load switches, high-voltage automatic reclosing and sectionalizers, high-voltage operating mechanisms, high-voltage explosion-proof power distribution devices, high-voltage switch cabinets and the like according to the electric products with the voltage class of 3.6kV to 550 kV.

The prior art medium-high voltage switch cabinet has the following disadvantages: (1) because the high-voltage switch cabinet has a plurality of internal heating devices and generally higher temperature, the existing high-voltage switch cabinet has the problem of poor heat dissipation; (2) owing to the use needs, place and require to have rain-proof function at open air high tension switchgear, however, current most high tension switchgear adopts the shutter to realize rain-proof ventilation purpose, and rain-proof effect is not good, and has hindered air admission, leads to the radiating efficiency low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-voltage switch cabinet with good heat dissipation performance, and solves the problems that in the prior art, the high-voltage switch cabinet is poor in heat dissipation performance and poor in rainproof effect.

In order to solve the technical problems, the utility model adopts the technical scheme that: the utility model provides a good heat dissipation's high tension switchgear, including the cabinet body, with the articulated last cabinet door and the lower cabinet door that link to each other of the cabinet body, cabinet side portion fixedly connected with mounting panel, the sunken cavity that forms in inside side in mounting panel middle part, the vent with the internal portion intercommunication of cabinet is seted up on cavity upper portion, the cavity outside has set firmly the apron, a plurality of side air intakes have been seted up to the apron lower part, and its bottom portion has seted up the outlet, the cabinet body is provided with the side air outlet with the relative wall of vent, the internal portion of cabinet is close to side air outlet one side and is provided with the subassembly of airing exhaust for introduce outside cold wind edgewise air intake to the side air outlet and discharge.

According to the preferable scheme, the bottom air inlet is formed in the bottom end portion of the cabinet body, the top air outlet is formed in the top end portion of the cabinet body, the air exhaust assembly is arranged on the top air outlet, and a rain-proof cover is arranged on the outer side of the air exhaust assembly.

Preferably, the exhaust assembly comprises a bracket fixedly arranged on the cabinet body, a radiating fin arranged on the bracket, an exhaust fan and a heat pipe, and the heat pipe is inserted on the radiating fin in a roundabout manner and is close to the power device in the cabinet body.

Preferably, a spoiler is rotatably arranged in the cavity below the vent, and a rotating motor is arranged at the end of the spoiler.

Preferably, an inclined plate is fixedly connected to the lower portion of the inner portion of the cavity, a water collecting tank is formed between the inclined plate and the mounting plate, and the water collecting tank is communicated with the water outlet.

Preferably, the side air inlet and/or the ventilation opening is/are provided with a protective net.

Preferably, a rain strip is fixedly connected to the outer side of the side air outlet.

Compared with the prior art, the utility model has the beneficial effects that: the top and the lateral part of the cabinet body are respectively provided with the ventilation assembly, so that the transverse and longitudinal ventilation and heat dissipation of the cabinet body are realized, and the heat dissipation efficiency is greatly improved. Through the mounting panel that has the cavity in cabinet body side setting, set up the apron at the cavity opening, the side air intake on the apron staggers with the vent position on the mounting panel for after the mixed air of rainwater got into the cavity, the rainwater was because the action of gravity whereabouts, the inside spoiler of cavity can adjust the air admission volume and the most rainwater of separation, the rainwater flowed into in the water catch bowl and flowed from the outlet, under effective rain-proof prerequisite, makeed the air get into smoothly, the purpose of rain-proof ventilation has been realized. The exhaust assembly is arranged at the outlet air outlet, the heat pipe of the exhaust assembly is connected with the radiating fins and the heating power device, heat of the power device is transmitted to the radiating fins in time to be radiated, the exhaust fan sucks cold air from the air inlet, and the cold air is exhausted to the outlet air after exchanging heat with devices inside the cabinet body, so that the radiating effect is good.

Drawings

The disclosure of the present invention is illustrated with reference to the accompanying drawings. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the utility model. In the drawings, like reference numerals are used to refer to like parts. Wherein:

fig. 1 is a schematic structural diagram of a high voltage switchgear with good heat dissipation performance according to an embodiment of the present invention;

FIG. 2 is another schematic diagram of the high voltage switchgear with good heat dissipation performance according to the embodiment of the present invention;

FIG. 3 is a schematic diagram of a high voltage switchgear with good heat dissipation (with separated cover) according to an embodiment of the present invention;

FIG. 4 is an enlarged partial view of FIG. 3 at A;

fig. 5 is a schematic structural view of an exhaust assembly according to an embodiment of the present invention.

Reference numbers in the figures: the heat-insulation cabinet comprises a cabinet body 1, an upper cabinet door 2, a lower cabinet door 3, a mounting plate 4, a vent hole 5, a cover plate 6, a spoiler 7, a side air inlet 8, an inclined plate 9, a water outlet 10, a rain cover 11, a bracket 12, a heat dissipation fin 13, an exhaust fan 14, a heat pipe 15, a side air outlet 16 and a plug wire 17.

Detailed Description

It is easily understood that according to the technical solution of the present invention, a person skilled in the art can propose various alternative structures and implementation ways without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are merely illustrative of the technical aspects of the present invention, and should not be construed as all of the present invention or as limitations or limitations on the technical aspects of the present invention.

An embodiment according to the utility model is shown in connection with fig. 1 to 4. The utility model provides a good heat dissipation's high tension switchgear, includes the cabinet body 1, with cabinet body 1 articulated last cabinet door 2 and lower cabinet door 3 that link to each other, cabinet body 1 is inside to be provided with a large amount of electrical components and secondary electrical components, like current transformer, voltage transformer, arrester, isolator, transformer, relay etc. the theory of operation and the inner structure of each component are not repeated.

At cabinet body 1 lateral part fixedly connected with mounting panel 4, the sunken cavity that forms of inboard in mounting panel 4 middle part, this cavity upper portion offer with the internal portion of cabinet 1 intercommunication vent 5, the cavity outside has set firmly apron 6, a plurality of side air intakes 8 have been seted up to 6 lower parts of apron, and its bottom end portion has seted up outlet 10. The fixed connection may be a bolt connection, a rivet connection, or other suitable connection.

Specifically, an inclined plate 9 is fixedly connected to the lower portion of the inner portion of the cavity, a water collecting tank is formed between the inclined plate 9 and the mounting plate 4, and the water collecting tank is communicated with the water outlet 10. The sloping plate 9 can accelerate the accumulation of rainwater and discharge rainwater rapidly.

A side air outlet 16 is arranged on the wall surface of the cabinet body 1 opposite to the ventilation opening 5, and an air exhaust assembly is arranged on one side of the cabinet body 1 close to the side air outlet 16 and used for introducing external cold air from the side air inlet 8 to the side air outlet 16 and exhausting the cold air.

Furthermore, a protective net is arranged at the side air inlet 8 and/or the ventilation opening 5 to prevent sundries such as mosquitoes, dust and the like from entering the cabinet body 1. The rain-proof strip is fixedly connected to the outer side of the side air outlet 16, the cross section of the rain-proof strip is n-shaped, and rainwater is effectively prevented from entering the cabinet body 1.

Furthermore, a spoiler 7 is rotatably arranged in the cavity below the vent 5, and a rotating motor is arranged at the end part of the spoiler 7. The spoiler 7 in the cavity can adjust the air inlet amount, block most of rainwater and be adjusted flexibly. When the humidity sensor works, the humidity sensor positioned in the cabinet body 1 detects the humidity value in real time, and when the humidity exceeds a set threshold value, the controller sends out an instruction to enable the rotating motor to rotate, and the angle of the spoiler 7 is adjusted to enable the humid air entering the cabinet body 1 to be reduced. When the humidity meets the set threshold, the controller sends out an instruction to enable the rotating motor to rotate reversely, and the angle of the spoiler 7 is adjusted to increase the air entering the cabinet body 1. The control process is controlled by a program, and is not described herein for the prior art.

In this embodiment, the bottom end of the cabinet body 1 is provided with a bottom air inlet (not shown), the top end of the cabinet body 1 is provided with a top air outlet, the top air outlet is provided with an air exhaust assembly, and the outer side of the air exhaust assembly is provided with a rain cover 11. The rain cover 11 is a screw shell type with an open end.

Referring to fig. 5, the exhaust assembly includes a bracket 12 fixed on the cabinet 1, a heat dissipating fin 13 disposed on the bracket 12, an exhaust fan 14 and a heat pipe 15, and the heat pipe 15 is inserted on the heat dissipating fin 13 in a winding manner and is close to the power device inside the cabinet 1. The exhaust fan 14 is connected with a controller arranged inside the cabinet 1 through a plug wire 17, and is used for receiving the instruction of the controller to start or stop.

Specifically, the heat pipe 15 is composed of a pipe shell, a wick and an end cover, one end of the heat pipe 15 is an evaporation section, i.e., is disposed on the back of the power device, and the other end of the heat pipe 15 is a condensation section, i.e., is disposed on the heat dissipation fin 13. When one end of the heat pipe 15 is heated, the liquid in the wick is evaporated and vaporized, the vapor flows to the other end under a slight pressure difference to release heat and condense into liquid, and the liquid flows back to the evaporation section along the porous material under the action of capillary force. By such circulation, the heat is transferred from one end of the heat pipe 15 to the other end, so as to rapidly take away the heat generated by the power device and avoid the temperature rise in the cabinet 1.

The utility model discloses a high-voltage switch cabinet with good heat dissipation, when the high-voltage switch cabinet works, rainwater mixed air enters a cavity from a side air inlet 8, the rainwater falls down due to the gravity, the rainwater flows into a water collecting tank and flows out from a water outlet 10, and the air smoothly enters a cabinet body 1 through a ventilation opening 5, exchanges heat with a heating device in the cabinet body 1 and then is discharged from a side air outlet 16. The air-proof heat dissipation device has the advantages that the air can smoothly enter the heat dissipation device on the premise of effective rain prevention, and the heat dissipation effect is good.

In summary, the beneficial effects of the utility model include: the top and the lateral part of the cabinet body 1 are respectively provided with a ventilation assembly, so that the horizontal and longitudinal ventilation and heat dissipation of the cabinet body 1 are realized, and the heat dissipation efficiency is greatly improved. Through the mounting panel 4 that has the cavity that sets up in cabinet body 1 side, set up apron 6 at the cavity opening, the side air intake 8 on the apron 6 staggers with vent 5 positions on the mounting panel 4, make behind the rainwater mixed air entering cavity, the rainwater falls because of the action of gravity, the inside spoiler 7 of cavity can adjust the air admission volume and the most rainwater of separation, the rainwater flows into in the water catch bowl and flows out from outlet 10, under effective rain-proof prerequisite, make the air get into smoothly, the purpose of rain-proof ventilation has been realized. The air exhaust assembly is arranged at the air outlet, the heat pipe 15 of the air exhaust assembly is connected with the radiating fins 13 and the heating power device, heat of the power device is transmitted to the radiating fins 13 in time to be radiated, the exhaust fan 14 sucks cold air from the air inlet, and exhausts the air to the air outlet after exchanging heat with devices inside the cabinet body 1, and the radiating effect is good.

The technical scope of the present invention is not limited to the above description, and those skilled in the art can make various changes and modifications to the above-described embodiments without departing from the technical spirit of the present invention, and such changes and modifications should fall within the protective scope of the present invention.

Claims

1. The utility model provides a good heat dissipation's high tension switchgear, its characterized in that, including the cabinet body, with the articulated last cabinet door and the lower cabinet door that link to each other of the cabinet body, cabinet side portion fixedly connected with mounting panel, the sunken cavity that forms in mounting panel middle part inboard, the vent with the internal portion intercommunication of cabinet is seted up on cavity upper portion, the cavity outside has set firmly the apron, a plurality of side air intakes have been seted up to the apron lower part, and its bottom portion has seted up the outlet, the cabinet body is provided with the side air outlet with the relative wall of vent, the internal portion of cabinet is close to side air outlet one side and is provided with the subassembly of airing exhaust for introduce outside cold wind edgewise air intake to the side air outlet and discharge.

2. The high voltage switch cabinet with good heat dissipation performance according to claim 1, wherein a bottom air inlet is formed at a bottom end portion of the cabinet body, a top air outlet is formed at a top end portion of the cabinet body, an air exhaust assembly is arranged at the top air outlet, and a rain cover is arranged outside the air exhaust assembly.

3. The high voltage switch cabinet with good heat dissipation performance according to claim 1, wherein the air exhaust assembly comprises a bracket fixed on the cabinet body, a heat dissipation fin arranged on the bracket, an exhaust fan and a heat pipe, and the heat pipe is inserted on the heat dissipation fin in a circuitous way and is close to the power device inside the cabinet body.

4. The high voltage switch cabinet with good heat dissipation performance of claim 1, wherein a spoiler is rotatably arranged in the cavity below the ventilation opening, and a rotating motor is arranged at the end part of the spoiler.

5. The high voltage switch cabinet with good heat dissipation performance according to claim 1, wherein an inclined plate is fixedly connected to the lower portion of the inner portion of the cavity, a water collecting tank is formed between the inclined plate and the mounting plate, and the water collecting tank is communicated with the water outlet.

6. The high voltage switchgear with good heat dissipation performance according to claim 1, wherein the side air inlet and/or the air vent is provided with a protective mesh.

7. The high voltage switch cabinet with good heat dissipation performance of claim 1, wherein a rain strip is fixedly connected to the outside of the side air outlet.