CN212182824U

CN212182824U - Electrical cabinet

Info

Publication number: CN212182824U
Application number: CN202021060284.0U
Authority: CN
Inventors: 王道平; 刘作亮; 王磊; 白颖; 王飞; 王西中
Original assignee: Beijing Dongfang Huitong Electrical Co ltd
Current assignee: Beijing Dongfang Huitong Electrical Co ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2020-12-18
Anticipated expiration: 2030-06-10

Abstract

The utility model relates to an electrical cabinet belongs to the consumer field, include the cabinet body and install in the internal portion of cabinet electrical component, be provided with air intake and the negative-pressure air fan that is linked together with the inside of the cabinet body on the cabinet body, negative-pressure air fan is located the top of the cabinet body, the side direction cabinet wall of the cabinet body includes outer lateral wall and the inlayer lateral wall that the interval set up, form the ventilation passageway between outer lateral wall and the inlayer lateral wall, be provided with a plurality of evenly on the inlayer lateral wall and be covered with the structure of ventilating on inlayer lateral wall surface, the ventilation passageway is linked together through the inside of the structure of ventilating and the cabinet body, electrical component installs in the one side that the inlayer lateral wall deviates from outer lateral wall, the. The utility model discloses have and discharge the produced heat of electrical component to reduce the inside temperature of regulator cubicle, reduce the emergence of circuit accident.

Description

Electrical cabinet

Technical Field

The utility model belongs to the technical field of the technique of consumer and specifically relates to an electrical cabinet is related to.

Background

The electrical cabinet is a cabinet which is manufactured by steel materials and used for protecting electrical elements from working normally. The electric cabinet manufacturing materials are generally divided into hot rolled steel and cold rolled steel. The electric cabinet is widely used in chemical industry, environmental protection industry, electric power system, metallurgical system, industry, nuclear power industry, fire safety monitoring, traffic industry and the like.

However, when the electrical cabinet is used, various elements in the circuit generally work for a long time and then have a heating phenomenon, and inside the electrical cabinet, a large number of electrical elements are densely arranged on one cabinet wall, so that the heat generation condition inside the electrical cabinet is more serious, a circuit accident is easy to occur, and therefore the heat generation problem of the use of the electrical cabinet needs to be solved.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing an electrical cabinet, it has the produced heat discharge of electrical component to reduce the inside temperature of electrical cabinet, reduce the emergence of circuit accident.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides an electrical cabinet, includes the cabinet body and installs in the internal portion's of cabinet electrical component, be provided with air intake and the negative-pressure air fan that is linked together with the inside of the cabinet body on the cabinet body, negative-pressure air fan is located the top of the cabinet body, the side direction cabinet wall of the cabinet body includes outer lateral wall and the inlayer lateral wall that the interval set up, form the ventilation channel between outer lateral wall and the inlayer lateral wall, be provided with a plurality of evenly spread all over on the inlayer lateral wall the ventilation structure on inlayer lateral wall surface, the ventilation channel is linked together through the inside of ventilation structure and cabinet body, electrical component installs in the one side that the inlayer lateral wall deviates from outer lateral wall, the.

By adopting the technical scheme, when the negative pressure fan is started, air in the cabinet body is pumped out from the cabinet body, and air is supplemented into the cabinet body from the air inlet at the bottom end of the cabinet body, so that circulation of the air in the cabinet body and the outside is realized, and heat in the cabinet body is delivered to the outside environment; the air entering the cabinet body firstly enters the ventilation channel and then is blown out through the ventilation structure on the inner side wall, so that the electric components mounted on the inner side wall can be blown, and the temperature of the electric components is reduced.

The present invention may be further configured in a preferred embodiment as: and a moisture absorption object is arranged in the ventilation channel.

By adopting the technical scheme, the air entering the ventilation channel from the air inlet is firstly contacted with the moisture-absorbing substance, so that the moisture-absorbing substance can absorb partial water vapor in the air, the moisture content of the air is reduced, and the condition that the electric element is damaged due to the humid air is reduced.

The present invention may be further configured in a preferred embodiment as: and a gauze is arranged on the inner side surface of the outer layer side wall at a position opposite to the air inlet.

Through adopting above-mentioned technical scheme, thereby can the separation mosquito through the gauze, make the difficult inside that enters into the cabinet body of mosquito.

The present invention may be further configured in a preferred embodiment as: one side that the inlayer lateral wall deviates from the outer outside is provided with the electric roof beam, the electric roof beam pass through the separator with inlayer lateral wall interval sets up, electric elements installs on the electric roof beam.

Through adopting above-mentioned technical scheme, can be more comprehensive blow electric elements to make wind take away the produced heat of electric elements, better cool down electric elements.

The present invention may be further configured in a preferred embodiment as: and an air deflector for guiding air to the electric beam is arranged below one side of the electric beam, which is far away from the inner side wall, and the air deflector is connected with the inner side wall through an insulated connecting rod.

Through adopting above-mentioned technical scheme, lead to the electric roof beam through the aviation baffle to can blow to the one side that electric element deviates from the electric roof beam, thereby further increase electric element's cooling effect.

The present invention may be further configured in a preferred embodiment as: and the top end of the air deflector is provided with a drainage part parallel to the electric beam.

Through adopting above-mentioned technical scheme, the air of direction electric beam upwards removes under the effect of drainage portion to ensure that wind can be bloied the one side that deviates from electric beam to electric component comprehensively.

The present invention may be further configured in a preferred embodiment as: the length of the connecting rod is adjustable.

By adopting the technical scheme, the distance between the air deflector and the electric beam can be adjusted according to the size of the mounted electric element.

The present invention may be further configured in a preferred embodiment as: the connecting rod includes the sleeve pipe and the carriage release lever of coaxial setting, carriage release lever one end stretches into sheathed tube inside and links to each other with the sleeve pipe slip, be provided with the adjustment mechanism with the relative position of carriage release lever and sheathed tube fixed between sleeve pipe and the carriage release lever.

Through adopting above-mentioned technical scheme, when adjusting the length of connecting rod, the carriage release lever slides along sheathed tube axial direction, when the carriage release lever slides to required position department, fixes the relative position between sleeve pipe and the carriage release lever through adjusting the structure to the length of connecting rod is fixed.

The present invention may be further configured in a preferred embodiment as: the adjusting mechanism comprises a plurality of positioning holes which are formed in the sleeve and are arranged at intervals along the axial direction of the sleeve and grooves which are formed in the side wall of one end, inside of each groove, of the movable rod, the elastic pieces can be inserted into the positioning holes, when the movable rod moves in the sleeve along the axial direction of the sleeve, the elastic pieces can be opposite to the positioning holes one by one and inserted into the corresponding positioning holes, and control pieces capable of pushing the elastic pieces and enabling the elastic pieces to be separated from the inserted positioning holes are arranged on the movable rod.

Through adopting above-mentioned technical scheme, inserting the required locating hole that corresponds with the elastic component in, can be with the relative rigidity of sleeve pipe and carriage release lever to can be quick adjust the length of connecting rod.

The present invention may be further configured in a preferred embodiment as: the air deflector is a transparent plastic plate.

Through adopting above-mentioned technical scheme, adopt transparent plastic slab to the maintainer of being convenient for looks over electrical components.

To sum up, the utility model discloses a following at least one useful technological effect:

1. when the negative pressure fan is started, air in the cabinet body is pumped out from the cabinet body, and air is supplemented into the cabinet body from the air inlet at the bottom end of the cabinet body, so that circulation of the air in the cabinet body and the outside is realized, and heat in the cabinet body is delivered to the outside environment; the air entering the cabinet body firstly enters the ventilation channel and then is blown out through the ventilation structure on the inner side wall, so that the electric elements mounted on the inner side wall can be blown, and the temperature of the electric elements is reduced;

2. the wind guide plate guides the wind to the electric beam, so that the wind can be blown to one side of the electric element, which is away from the electric beam, and the cooling effect of the electric element is further improved;

3. the length of the connecting rod is adjustable, so that the distance between the air deflector and the electric beam can be adjusted according to the size of the mounted electric element.

Drawings

Fig. 1 is a schematic front view of an electrical cabinet;

FIG. 2 is a vertical cross-sectional view of the cabinet;

FIG. 3 is a partial enlarged view of portion A of FIG. 2;

FIG. 4 is a schematic view of the inside structure of the inner layer sidewall;

FIG. 5 is an exploded view of the connecting rod;

FIG. 6 is an axial cross-sectional view of the connecting rod;

fig. 7 is a schematic view of a connection structure of the cabinet and the rain cap.

In the figure, 1, a cabinet body; 11. an outer layer sidewall; 111. a screen; 112. compressing the strips; 12. an inner layer sidewall; 121. a vent hole; 2. an air inlet; 3. a negative pressure fan; 4. a moisture absorbing carbon plate; 5. an electrical beam; 51. a separation block; 6. an air deflector; 61. a drainage part; 7. a connecting rod; 71. a sleeve; 711. a chute; 712. positioning holes; 72. a travel bar; 721. a slider; 722. a groove; 723. a communicating hole; 73. an arc-shaped elastic sheet; 731. round salient points; 74. a push rod; 741. a baffle plate; 75. a tension spring; 8. a rain cap; 81. a support pillar; 9. an electrical component.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses an electrical cabinet, including the cabinet body 1 of the rectangle that the front end has the cabinet mouth and install in the inside electric elements 9 of the cabinet body 1. An air inlet 2 communicated with the inside of the cabinet body 1 is arranged at the bottom end of the cabinet body 1, and the inside of the cabinet body 1 is communicated with the outside air through the air inlet 2. The cabinet top that is located the cabinet body 1 installs the negative-pressure air fan 3 that is linked together with the inside of the cabinet body 1, and when negative-pressure air fan 3 started, thereby negative-pressure air fan 3 will be located the inside air of the cabinet body 1 and take out and discharge to the external environment in, the air of the external environment in then through the air intake that is located the 1 bottom of the cabinet body is mended the inside of the cabinet body 1.

Referring to fig. 2, the lateral walls of the cabinet body 1 include an outer side wall 11 and an inner side wall 12 which are spaced apart from each other, and a ventilation channel for ventilation is formed between the outer side wall 11 and the inner side wall 12. The air inlet 2 is arranged at the bottom end of the outer layer side wall 11. The surface of the inner side wall 12 is provided with a plurality of vent holes 121 penetrating through the inner side wall 12, and the vent holes 121 are uniformly distributed on the surface of the inner side wall 12.

The air from the air inlet 2 firstly enters the ventilation channel between the inner side wall 12 and the outer side wall 11, and then enters the inside of the cabinet 1 through the ventilation hole 121. The air discharged from the vent holes 121 blows air to cool the electric components 9 mounted on the inner side wall 12.

Referring to fig. 4, a breathable gauze 111 that blocks the air inlet 2 is disposed on the inner surface of the outer-layer side wall 11 at a position opposite to the air inlet 2, and an edge of the breathable gauze 111 is located outside the edge of the air inlet 2. The edge of the breathable gauze 111 is fixed on the outer side wall 11 in a pressing mode through a pressing strip 112, and the pressing strip 112 is fixed with the outer side wall 11 through bolts.

Referring to fig. 2, a moisture absorbing carbon plate 4 is disposed inside the ventilation passage between the outer sidewall 11 and the inner sidewall 12, the top end of the moisture absorbing carbon plate 4 is higher than the air inlet 2, and the moisture absorbing carbon plate 4 is freely disposed between the outer sidewall 11 and the inner sidewall 12. A space for air to pass through is left between the moisture absorption carbon plate 4 and the outer layer side wall 11. Under humid environment, the gas entering from the air inlet 2 firstly contacts with the moisture absorption carbon plate 4, so that the moisture absorption carbon plate 4 absorbs partial water vapor in the air, and the moisture content in the air entering the cabinet body 1 is reduced.

Referring to fig. 2 and 3, an electric beam 5 is provided on the inner side surface of the inner-layer side wall 12, and an electric component 9 is mounted to the side of the electric beam 5 facing away from the inner-layer side wall 12. The electric beam 5 and the inner layer side wall 12 are arranged at intervals, the two ends of the electric beam 5 are respectively provided with a separating block 51 extending towards the inner layer side wall 12, and the separating blocks 51 are respectively fixedly connected with the electric beam 5 and the inner layer side wall 12. The electrical component 9 is mounted to the side of the electrical beam 5 facing away from the inner side wall 12.

The air deflector 6 is arranged below one side of the electric beam 5, which is far away from the inner-layer side wall 12, and the distance from the top end of the air deflector 6 to the inner-layer side wall 12 is smaller than the distance from the bottom end of the air deflector 6 to the inner-layer side wall 12, so that the air deflector 6 is in an inclined state. The air deflector 6 is a rectangular transparent plastic plate. By using a plastic plate, the inspection of the electrical components 9 by the service personnel is facilitated. Two ends of the air deflector 6 are respectively connected with the inner layer side wall 12 through a connecting rod 7 made of insulating materials, and two ends of the connecting rod 7 are respectively fixedly connected with the air deflector 6 and the inner layer side wall 12. When the gas fed through the vent holes 121 in the inner side wall 12 flows to the air guide plate 6, the gas is blown along the inclined air guide plate 6 to the position of the electric beam 5, so that the electric component 9 mounted on the electric beam 5 can be blown.

The top end of the air deflector 6 is provided with a vertical upward flow guide part 61 which is arranged opposite to the electric beam 5, and the flow guide part 61 and the air deflector 6 are integrally formed. When wind blows to the electric element 9 on the electric beam 5 under the action of the wind deflector 6, the wind flows upwards from between the electric element 9 and the drainage part 61, so that the side of the electric element 9, which is far away from the electric beam 5, is blown to reduce the temperature.

Referring to fig. 3 and 5, the length of the connection rod 7 is adjustable, so that the distance between the air guide plate 6 and the electric component 9 mounted on the electric beam 5 can be adjusted according to the size of the electric component 9.

Referring to fig. 5 and 6, the connecting rod 7 includes a sleeve 71 and a moving rod 72 coaxially disposed, and one end of the moving rod 72 extends into the sleeve 71 and is slidably connected to the sleeve 71. A sliding groove 711 arranged along the axial direction of the sleeve 71 is arranged on the inner side surface of the pipe wall of the sleeve 71, a sliding block 721 extending into the sliding groove 711 and connected with the sliding groove 711 in a sliding manner is arranged at one end of the moving rod 72 extending into the sleeve 71, and the sliding block 721 is fixedly connected with the moving rod 72.

A plurality of positioning holes 712 are arranged on the wall of the sleeve 71 at intervals along the axial direction of the sleeve 71. The side wall of one end of the moving rod 72 extending into the sleeve 71 is provided with a groove 722, and when the moving rod 72 moves in the sleeve 71, the grooves 722 can be opposite to the positioning holes 712. An arc-shaped elastic sheet 73 which arches towards the outside of the moving rod 72 is arranged inside the groove 722, one end of the arc-shaped elastic sheet 73 is fixed in the groove 722, and the other end of the arc-shaped elastic sheet 73 is a free end. A circular salient point 731 is fixed on the outer side surface of the free end of the arc-shaped elastic sheet 73, and the diameter of the circular salient point 731 is matched with the positioning hole 712 on the sleeve 71. When the moving rod 72 is moved in the axial direction of the sleeve 71, the circular protrusions 731 can be opposed to the positioning holes 712 one by one and inserted into the opposed positioning holes 712 by the elastic force of the arc-shaped resilient pieces 73. When the circular protrusions 731 are inserted into the positioning holes 712, the relative positions of the movable rod 72 and the sleeve 71 are fixed.

A communicating hole 723 is formed in the moving rod 72 and communicates the groove 722 with one end face of the moving rod 72 outside the sleeve 71, a push rod 74 is connected in the communicating hole 723 in a sliding manner, one end of the push rod 74 extends into the groove 722 and abuts against the arc-shaped elastic sheet 73, and the other end of the push rod 74 is exposed out of one end face of the moving rod 72 outside the sleeve 71. A stopper 741 having a cross-sectional area larger than that of the communication hole 723 is fixed to an end of the push rod 74 exposed from the moving rod 72, and the stopper 741 is integrally formed with the push rod 74.

An extension spring 75 is disposed between the blocking plate 741 and the moving rod 72, and both ends of the extension spring 75 are respectively fixedly connected to the moving rod 72 and the blocking plate 741. When the extension spring 75 is in a free state, the arc-shaped spring plate 73 pushes the circular salient point 731 so that the circular salient point 731 is clamped into the positioning hole 712 of the sleeve 71. When the pushing rod 74 is pushed towards the groove 722, the pushing rod pushes the arc-shaped spring piece 73 to deform towards the inside of the groove 722, and the round salient point 731 clamped into the positioning hole 712 in the sleeve 71 is disengaged from the positioning hole 712. Enabling the moving rod 72 to slide in the sleeve 71.

Referring to fig. 3, one end of the moving rod 72 of the connecting rod 7, which is located outside the sleeve 71, penetrates through the air deflector 6 and is fixedly connected with the air deflector 6. The sleeve 71 of the connecting rod 7 is fixedly connected to the inner side wall 12 at the end of the travel bar 72.

Referring to fig. 7, a rain cap 8 for shielding the top end of the cabinet 1 below is disposed outside the top end of the cabinet 1, and the rain cap 8 is fixed to the top end of the cabinet 1 through a plurality of support columns 81. The adjacent support columns 81 are arranged at intervals. A distance is reserved between the rain cap 8 and the top end of the cabinet body 1, so that air exhausted by the negative pressure fan passes through the distance reserved between the rain cap 8 and the cabinet body 1.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an electrical cabinet, includes the cabinet body (1) and installs in the inside electric elements (9) of the cabinet body (1), be provided with air intake (2) and negative-pressure air fan (3) that are linked together with the inside of the cabinet body (1) on the cabinet body (1), its characterized in that: negative-pressure air fan (3) are located the top of the cabinet body (1), the side direction cabinet wall of the cabinet body (1) is including outer lateral wall (11) and inlayer lateral wall (12) that the interval set up, form the ventilation passageway between outer lateral wall (11) and inlayer lateral wall (12), be provided with a plurality of evenly on inlayer lateral wall (12) and be covered with the ventilation structure on inlayer lateral wall (12) surface, the ventilation passageway is linked together through the inside of ventilation structure with the cabinet body (1), electric elements (9) are installed in one side that deviates from outer lateral wall (11) in inlayer lateral wall (12), air intake (2) are located the bottom of outer lateral wall (11).

2. An electrical cabinet according to claim 1, wherein: and a moisture absorption object is arranged in the ventilation channel.

3. An electrical cabinet according to claim 1, wherein: and a gauze (111) is arranged at the position, opposite to the air inlet (2), of the inner side surface of the outer layer side wall (11).

4. An electrical cabinet according to claim 1, wherein: one side that inlayer lateral wall (12) deviate from the outer outside is provided with electric roof beam (5), electric roof beam (5) through the separator with inlayer lateral wall (12) interval sets up, electric elements (9) are installed on electric roof beam (5).

5. An electrical cabinet according to claim 4, wherein: and an air deflector (6) for guiding air to the electric beam (5) is arranged below one side of the electric beam (5) departing from the inner-layer side wall (12), and the air deflector (6) is connected with the inner-layer side wall (12) through an insulated connecting rod (7).

6. An electrical cabinet according to claim 5, wherein: and a drainage part (61) parallel to the electric beam (5) is arranged at the top end of the air deflector (6).

7. An electrical cabinet according to claim 5, wherein: the length of the connecting rod (7) is adjustable.

8. An electrical cabinet according to claim 7, wherein: the connecting rod (7) comprises a sleeve (71) and a moving rod (72) which are coaxially arranged, one end of the moving rod (72) extends into the sleeve (71) and is connected with the sleeve (71) in a sliding mode, and an adjusting mechanism for fixing the relative position of the moving rod (72) and the sleeve (71) is arranged between the sleeve (71) and the moving rod (72).

9. An electrical cabinet according to claim 8, wherein: the adjusting mechanism comprises a plurality of positioning holes (712) which are formed in the sleeve (71) and are arranged at intervals along the axial direction of the sleeve (71) and grooves (722) which are formed in the side wall of one end, extending into the sleeve (71), of the moving rod (72), elastic pieces which can be inserted into the positioning holes (712) are arranged in the grooves (722), when the moving rod (72) moves in the sleeve (71) along the axial direction of the sleeve (71), the elastic pieces can be opposite to the positioning holes (712) one by one and are inserted into the corresponding positioning holes (712), and a control piece which can push the elastic pieces and enable the elastic pieces to be separated from the inserted positioning holes (712) is arranged on the moving rod (72).

10. An electrical cabinet according to claim 5, wherein: the air deflector (6) is a transparent plastic plate.