CN113594936A

CN113594936A - Control cabinet

Info

Publication number: CN113594936A
Application number: CN202110858299.4A
Authority: CN
Inventors: 胡思武; 陈导; 侯伟平; 曾旋君; 张双能; 曾嘉铖; 丘广松
Original assignee: Guangdong Power Grid Co Ltd; Meizhou Power Supply Bureau of Guangdong Power Grid Co Ltd
Current assignee: Guangdong Power Grid Co Ltd; Meizhou Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2021-11-02

Abstract

The invention belongs to the field of electric power construction, and discloses a control cabinet which comprises an outer cabinet, an inner cabinet and a heat dissipation assembly, wherein the outer cabinet comprises a shell and an outer door, a first ventilating grid is arranged on the shell, an accommodating cavity is arranged in the shell, and the outer door is used for sealing the accommodating cavity; the inner cabinet comprises a first inner cabinet and a second inner cabinet, the first inner cabinet and the second inner cabinet are both arranged in the accommodating cavity, the second inner cabinet is arranged below the first inner cabinet, the first inner cabinet and the second inner cabinet are both used for accommodating electrical components, and second ventilating grids are arranged on the first inner cabinet and the second inner cabinet; the heat dissipation assembly is arranged on the inner wall of the shell and used for reducing the temperature in the accommodating cavity. Be provided with radiator unit between interior cabinet and outer cabinet, radiator unit blowout refrigerated gas, gas is through first ventilative grid and the ventilative grid of second, gets into in cabinet in first interior cabinet and the second, has reduced the interior cabinet of first interior cabinet and second and has held the temperature in the cavity.

Description

Control cabinet

Technical Field

The invention relates to the field of electric power construction, in particular to a control cabinet.

Background

The distribution network is a power network which receives electric energy from a transmission network or a regional power plant, distributes the electric energy to various users on site through distribution facilities or distributes the electric energy to various users step by step according to voltage, and consists of overhead lines, cables, towers, distribution transformers, isolating switches, reactive power compensators, auxiliary facilities and the like, and plays a role in distributing the electric energy in the power network. When the distribution network works, the control cabinet is required to control the distribution network, the existing control cabinet is mostly sealed and tight for safety, the heat dissipation of the control cabinet is inconvenient, and the service life of elements in the control cabinet is influenced.

Disclosure of Invention

The invention aims to provide a control cabinet, which can reduce the temperature in the control cabinet and protect the safety of constructors.

In order to achieve the purpose, the invention adopts the following technical scheme:

a control cabinet, comprising:

the outer cabinet comprises a shell and an outer door, a first ventilating grid is arranged on the shell, an accommodating cavity is arranged in the shell, and the outer door is used for sealing the accommodating cavity;

the inner cabinet comprises a first inner cabinet and a second inner cabinet, the first inner cabinet and the second inner cabinet are both arranged in the accommodating cavity, the second inner cabinet is arranged below the first inner cabinet, the first inner cabinet and the second inner cabinet are both used for accommodating electrical components, and second ventilating grids are arranged on the first inner cabinet and the second inner cabinet;

and the heat dissipation assembly is arranged on the inner wall of the shell and is used for reducing the temperature in the accommodating cavity.

Preferably, the heat dissipation assembly includes:

the fan is arranged in the accommodating cavity;

the air outlet pipe is connected to an air outlet of the fan, and is arranged between the inner wall of the shell and the inner cabinet and connected to the inner wall of the shell;

the air nozzle is arranged on the air outlet pipe and used for blowing air flow.

As preferred, radiator unit still includes the diffusion piece, the diffusion piece include joint portion with connect in the toper portion of joint portion, joint portion corresponds air nozzle joint in go out the tuber pipe, the tip opening orientation of toper portion joint portion, the main aspects opening of toper portion is used for the diffusion the air current that the air nozzle blew out.

Preferably, the air outlet pipe is bent and laid on the inner wall of the shell.

Preferably, the first inner cabinet comprises a first casing, a first cabinet door and a transverse plate, a first accommodating cavity is formed in the first casing, the transverse plate is arranged in the first accommodating cavity and connected to the inner wall of the first accommodating cavity, and the first cabinet door is used for sealing the first accommodating cavity.

Preferably, the second air-permeable grille is obliquely arranged on the first shell, the first air-permeable grille is obliquely arranged on the shell corresponding to the second air-permeable grille, and the first air-permeable grille and the second air-permeable grille are mutually matched to discharge heat in the first shell.

Preferably, the outer cabinet further includes a support member disposed in the accommodating chamber, and the first housing is disposed on the support member.

Preferably, the display screen is embedded in the shell, the display screen is embedded in the outer door, and the display screen is used for checking the condition of the electrical appliance element.

Preferably, the outer cabinet further comprises a dust cover disposed on the outer case corresponding to the first air-permeable grill, the dust cover preventing dust from entering the accommodating chamber.

Preferably, the outer cabinet further comprises lifting legs, the lifting legs are connected to the outer shell, and the lifting legs are used for adjusting the height of the outer cabinet along the vertical direction.

The invention has the beneficial effects that:

according to the control cabinet provided by the invention, the first inner cabinet and the second inner cabinet are arranged in the accommodating cavity, the first inner cabinet and the second inner cabinet are used for accommodating electrical components, and the electrical components are accommodated in different areas, so that a constructor can conveniently overhaul the electrical components. Be provided with radiator unit between interior cabinet and outer cabinet, radiator unit blowout is gaseous, and gas is through the ventilative grid of first ventilative grid and second, gets into in cabinet in first interior cabinet and the second, has reduced the interior cabinet of first interior cabinet and second and has held the temperature in the cavity. And the structural design of the double-layer cabinet body protects the life safety of constructors.

Drawings

Fig. 1 is a schematic structural diagram of an outer cabinet, an inner cabinet and a heat dissipation assembly according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of an external cabinet according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of an internal cabinet according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a heat sink assembly on a housing according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a diffuser provided in an embodiment of the control cabinet of the present invention.

In the figure:

1. an outer cabinet; 11. a housing; 12. an outer door; 13. a first air-permeable grille; 14. a support member; 15. a display screen; 16. lifting support legs;

2. a first inner cabinet; 21. a first housing; 22. a first cabinet door; 23. a transverse plate;

3. a second inner cabinet;

4. a second air-permeable grille;

5. a heat dissipating component; 51. a fan; 52. an air outlet pipe; 53. an air nozzle; 54. a diffuser; 541. a clamping part; 542. a tapered portion.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In embodiments of the invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or the first and second features being in contact, not directly, but via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the embodiments of the present invention, the terms "upper", "lower", "right", and the like are used in an orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Example one

The invention provides a control cabinet, which relates to the field of electric power construction, and as shown in figures 1 to 5, the control cabinet comprises an outer cabinet 1, an inner cabinet and a heat dissipation assembly 5, wherein the outer cabinet 1 comprises an outer shell 11 and an outer door 12, a first ventilating grid 13 is arranged on the outer shell 11, an accommodating cavity is arranged in the outer shell 11, and the outer door 12 is used for sealing the accommodating cavity; the inner cabinet comprises a first inner cabinet 2 and a second inner cabinet 3, the first inner cabinet 2 and the second inner cabinet 3 are both arranged in the accommodating cavity, the second inner cabinet 3 is arranged below the first inner cabinet 2, the first inner cabinet 2 and the second inner cabinet 3 are both used for accommodating electrical components, and second ventilating grids 4 are arranged on the first inner cabinet 2 and the second inner cabinet 3; the heat dissipation assembly 5 is disposed on the inner wall of the housing 11, and the heat dissipation assembly 5 is used for reducing the temperature in the accommodating cavity.

The switch board that this embodiment provided, with cabinet 3 settings in cabinet 2 and the second in the first hold the cavity, cabinet 3 all is used for holding electrical components in cabinet 2 and the second in the first, divides the region to hold electrical components, makes things convenient for constructor to overhaul electrical components. Be provided with radiator unit 5 between interior cabinet and outer cabinet 1, radiator unit 5 blowout gas, gas is through first ventilative grid 13 and the ventilative grid 4 of second, in cabinet 2 and the interior cabinet 3 of second in the entering is first, has reduced cabinet 2 and the interior cabinet 3 of second in first and has held the temperature in the cavity. And the structural design of the double-layer cabinet body protects the life safety of constructors.

Optionally, as shown in fig. 2, a display screen 15 is embedded on the outer door 12, and the display screen 15 is used for viewing the condition of the electrical components. The display screen 15 is embedded on the outer door 12, and the display screen 15 and electrical components in the first inner cabinet 2 and the second inner cabinet 3 are matched with each other, so that a worker can visually observe the conditions in the first inner cabinet 2 and the second inner cabinet 3.

In other embodiments, a first glass is embedded in the inner cabinet, a second glass is embedded in the outer door 12 corresponding to the first glass, and the first glass and the second glass cooperate to view electrical components in the first inner cabinet 2 and the second inner cabinet 3. The condition of the electrical components in the first inner cabinet 2 and the second inner cabinet 3 can be conveniently checked.

Optionally, the outer cabinet 1 further comprises a dust cover arranged on the outer shell 11 corresponding to the first air-permeable grille 13 for preventing dust from entering the receiving cavity. The dust cover is L type structure, connects its one end in the outer wall of shell 11, makes it cover the upper portion of locating first ventilative grid 13, has prevented that the dust from getting into through first ventilative grid 13 and holding the chamber, plays dirt-proof effect.

Optionally, as shown in fig. 2, the outer cabinet 1 further includes a lifting leg 16, the lifting leg 16 is connected to the outer shell 11, and the lifting leg 16 is used for adjusting the height of the outer cabinet 1 in the vertical direction. The number of the lifting legs 16 is four, so that the balance of the housing 11 can be adjusted, and the lifting legs 16 can be extended or shortened, thereby adjusting the height of the outer cabinet 1. When the ground is uneven and has a bulge, the lifting support legs 16 extend to enable the outer cabinet 1 to be far away from the ground, and the bulge is prevented from abutting against the outer shell 11 to damage the outer shell 11. In other embodiments, the lower end surface of the outer shell 11 of the outer cabinet 1 may be provided with a pulley, so as to facilitate moving the control cabinet.

Optionally, as shown in fig. 3, the first inner cabinet 2 includes a first housing 21, a first cabinet door 22, and a transverse plate 23, a first accommodating cavity is provided in the first housing 21, the transverse plate 23 is provided in the first accommodating cavity and connected to an inner wall of the first accommodating cavity, and the first cabinet door 22 is used to close the first accommodating cavity. A gap is left between the outer wall of the first shell 21 and the inner wall of the shell 11, so that the heat dissipation assembly 5 is conveniently accommodated. The horizontal plate 23 is fixedly connected to the inner walls of the first housing 21 at both sides, so as to facilitate installation of smaller components, such as electric meters, sensors or displays, and smaller electrical components. The first cabinet door 22 is hinged to the first housing 21, thereby closing the first accommodation chamber. First cabinet door 22 and outer door 12 mutually support, protect constructor's life safety.

Alternatively, as shown in fig. 3, the second inner cabinet 3 is disposed below the first inner cabinet 2, and the second inner cabinet 3 has a structure similar to that of the first inner cabinet 2, but the cross plate 23 is not provided in the second inner cabinet 3, so that it is convenient to place a large electrical component in the second inner cabinet 3. In other embodiments, the second inner cabinet 3 may have a structure different from that of the second inner cabinet 2 as long as the function of accommodating electrical components is achieved.

Specifically, as shown in fig. 2 and 3, the second air-permeable grille 4 is obliquely disposed on the first casing 21, the first air-permeable grille 13 is obliquely disposed on the casing 11 corresponding to the second air-permeable grille 4, and the first air-permeable grille 13 and the second air-permeable grille 4 are fitted to each other to discharge heat inside the first casing 21. The ventilative grid 4 of second is seted up at two lateral walls of first casing 21, and ventilative grid 4 of second is the slope setting, and the lower one side of ventilative grid 4 of second and the higher one side of ventilative grid 13 of first mutually support for the heat in the first holding chamber can be discharged.

Specifically, as shown in fig. 2 and 3, the external cabinet 1 further includes a support 14 disposed in the accommodating chamber, and the first housing 21 is disposed on the support 14. Preferably, the supporting member 14 is formed in an i-shape, and both ends of the supporting member are respectively connected to the inner wall of the housing 11, so as to enhance the supporting force of the supporting member 14. In this embodiment, the supporting member 14 is provided with two, one for supporting the first inner cabinet 2 and one for supporting the second inner cabinet 3.

Optionally, as shown in fig. 4, the heat dissipation assembly 5 includes a fan 51, an air outlet pipe 52 and an air nozzle 53, and the fan 51 is disposed in the accommodating cavity; the air outlet pipe 52 is connected to an air outlet of the fan 51, and the air outlet pipe 52 is arranged between the inner wall of the outer shell 11 and the outer wall of the inner cabinet and connected to the inner wall of the outer shell 11; an air nozzle 53 is provided on the air outlet pipe 52, and the air nozzle 53 is used for blowing out the air flow. The filter screen has been cup jointed to fan 51's inlet end, reduces the suction of dust, and fan 51's the end intercommunication of giving vent to anger has tuber pipe 52, and tuber pipe 52 sets up on the inner wall of shell 11, and tuber pipe 52 runs through the clearance between cabinet 2 and the second in shell 11 and the first interior cabinet 3 for the air current can all be blown to holding of whole shell 11 the cavity. The one end that goes out tuber pipe 52 and keep away from fan 51 is sealed, prevents that the air current from directly blowing out from the tip of tuber pipe 52, and the intercommunication has air nozzle 53 on going out tuber pipe 52, and air nozzle 53 sets up to a plurality ofly, and the even perpendicular setting of a plurality of air nozzles 53 increases the air-out point of tuber pipe 52 on going out tuber pipe 52.

Alternatively, as shown in fig. 4, the outlet duct 52 is bent and laid on the inner wall of the housing 11. The air outlet pipe 52 is bent and laid, and the blowing range of air flow is increased. Radiator unit 5 still includes the mounting, and the mounting is provided with a plurality ofly, and the even joint of a plurality of mountings is in air-out pipe 52, and the bolt fastening of mounting is in the inner wall of shell 11 for air-out pipe 52 can stabilize.

Optionally, as shown in fig. 5, the heat dissipation assembly 5 further includes a diffusion member 54, the diffusion member 54 includes a clamping portion 541 and a tapered portion 542 connected to the clamping portion 541, the clamping portion 541 is clamped to the air outlet pipe 52 corresponding to the air nozzle 53, a small end of the tapered portion 542 faces the clamping portion 541, and a large end of the tapered portion 542 is opened for diffusing the airflow blown out by the air nozzle 53. With the joint portion 541 joint of diffusion piece 54 in going out tuber pipe 52, toper portion 542 welds in joint portion 541, and toper portion 542 corresponds the outside that sets up at air nozzle 53 for the air current that blows out in the air nozzle 53 can diffuse, increases the blowing scope of air current, the abundant heat of taking away. The diffuser 54 is provided in plural, and plural diffusers 54 are used in cooperation with plural air nozzles 53.

This embodiment provides the theory of operation of switch board:

when electrical components circular telegram, open fan 51, the filter screen has been cup jointed to fan 51's inlet end, can be effectual with external dust separation, the play tuber pipe 52 of end through circuitous setting of giving vent to anger, to every diffusion 54 air current of carrying, the air current is through diffusion 54, blow to whole shell 11 the cavity that holds more evenly, and the both sides of cabinet 2 and the interior cabinet 3 of first interior cabinet are provided with the ventilative grid 4 of second, the both sides of shell 11 are provided with first ventilative grid 13, first ventilative grid 13 and the ventilative grid 4 cooperation of second, and all incline the setting, make the heat in the cavity that holds of whole shell 11 can be taken out by the air current, the effectual electrical components life-span that has alleviated the overheated leading to of shell 11 shortens, and prevented falling into of dust, and the dust cover is still installed to the outside of first ventilative grid 13, the infiltration of dust has further been reduced.

Example two

The present embodiment provides a control cabinet, the outer cabinet 1, the heat dissipation assembly 5 of the present embodiment are the same as the first embodiment, and the difference between the present embodiment and the first embodiment is only that the inner cabinet of the present embodiment is an integrally formed structure, and a partition board is disposed in the inner cabinet to partition the space in the inner cabinet, so as to separately place electrical components.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A control cabinet, comprising:

the outer cabinet (1) comprises a shell (11) and an outer door (12), wherein a first ventilating grid (13) is arranged on the shell (11), an accommodating cavity is arranged in the shell (11), and the outer door (12) is used for sealing the accommodating cavity;

the inner cabinet comprises a first inner cabinet (2) and a second inner cabinet (3), the first inner cabinet (2) and the second inner cabinet (3) are arranged in the accommodating cavity, the second inner cabinet (3) is arranged below the first inner cabinet (2), the first inner cabinet (2) and the second inner cabinet (3) are used for accommodating electrical components, and second ventilating grids (4) are arranged on the first inner cabinet (2) and the second inner cabinet (3);

and the heat dissipation assembly (5), the heat dissipation assembly (5) is arranged on the inner wall of the shell (11), and the heat dissipation assembly (5) is used for reducing the temperature in the accommodating cavity.

2. Control cabinet according to claim 1, characterized in that the heat dissipating assembly (5) comprises:

the fan (51), the said fan (51) is set up in the said holding cavity;

the air outlet pipe (52) is connected to an air outlet of the fan (51), and the air outlet pipe (52) is arranged between the inner wall of the outer shell (11) and the inner cabinet and connected to the inner wall of the outer shell (11);

air nozzle (53), air nozzle (53) set up go out on tuber pipe (52), air nozzle (53) are used for blowing out the air current.

3. The control cabinet according to claim 2, wherein the heat dissipation assembly (5) further comprises a diffuser (54), the diffuser (54) comprises a clamping portion (541) and a tapered portion (542) connected to the clamping portion (541), the clamping portion (541) is clamped to the air outlet pipe (52) corresponding to the air nozzle (53), a small end of the tapered portion (542) opens toward the clamping portion (541), and a large end of the tapered portion (542) opens for diffusing the airflow blown by the air nozzle (53).

4. Control cabinet according to claim 2, characterized in that the outlet duct (52) is folded over the inner wall of the housing (11).

5. The control cabinet according to claim 1, characterized in that the first inner cabinet (2) comprises a first housing (21), a first cabinet door (22) and a transverse plate (23), wherein a first accommodating cavity is arranged in the first housing (21), the transverse plate (23) is arranged in the first accommodating cavity and connected to the inner wall of the first accommodating cavity, and the first cabinet door (22) is used for closing the first accommodating cavity.

6. The control cabinet according to claim 5, characterized in that the second air-permeable grille (4) is obliquely arranged on the first casing (21), the first air-permeable grille (13) is obliquely arranged on the housing (11) corresponding to the second air-permeable grille (4), and the first air-permeable grille (13) and the second air-permeable grille (4) are mutually matched to discharge heat in the first casing (21).

7. The control cabinet according to claim 5, characterized in that the outer cabinet (1) further comprises a support (14) arranged inside the accommodation chamber, the first casing (21) being arranged on the support (14).

8. The control cabinet according to claim 1, characterized in that a display screen (15) is embedded on the outer door (12), and the display screen (15) is used for checking the condition of electrical components.

9. Control cabinet according to claim 1, characterized in that the outer cabinet (1) further comprises a dust cover arranged on the outer casing (11) in correspondence of the first air-permeable grille (13), for preventing dust from entering the housing cavity.

10. The control cabinet according to claim 1, characterized in that the outer cabinet (1) further comprises a lifting leg (16), the lifting leg (16) being connected to the housing (11), the lifting leg (16) being used for adjusting the height of the outer cabinet (1) in the vertical direction.