CN114465144A

CN114465144A - Easy heat dissipation type direct current cabinet switch

Info

Publication number: CN114465144A
Application number: CN202210281182.9A
Authority: CN
Inventors: 王富; 刘志端; 王凯
Original assignee: Anhui Keheng Electric Power Technology Co ltd
Current assignee: Anhui Keheng Electric Power Technology Co ltd
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2022-05-10
Anticipated expiration: 2042-03-21
Also published as: CN114465144B

Abstract

The invention relates to an easy-heat-dissipation type direct-current screen switch cabinet which comprises a cabinet body, cabinet doors, a built-in cabinet, ventilating and heat-dissipating devices, a conveying cavity and a heat-dissipating air pump, wherein the cabinet doors are installed at the front end of the cabinet body, the built-in cabinet with a separating function is installed inside the cabinet body, the ventilating and heat-dissipating devices are symmetrically installed at the left end and the right end of the cabinet body, the conveying cavity is formed in a base at the lower end of the cabinet body, the rear end of the conveying cavity is communicated with the heat-dissipating air pump, and the heat-dissipating air pump is installed on the cabinet body in a left-right mode. The invention can solve the problems that the prior cabinet body is usually of a sealed structure, only a few heat dissipation ports are arranged on the side wall of the cabinet body, and the heat generated when more components are arranged in the cabinet body is increased, so that the heat is difficult to be timely discharged from the heat dissipation ports in a short time, the temperature in the cabinet body is higher, and the service life of the components is influenced.

Description

Easy heat dissipation type direct current cabinet switch

Technical Field

The invention relates to the technical field of switch cabinet equipment, in particular to an easy-radiating direct-current screen switch cabinet.

Background

The switch cabinet is an electrical device, the external line of the switch cabinet firstly enters a main control switch in the cabinet and then enters a branch control switch, and each branch is arranged according to the requirement. Such as instruments, automatic control, motor magnetic switches, various alternating current contactors and the like, and also high-voltage chamber and low-voltage chamber switch cabinets and high-voltage buses, such as power plants and the like, wherein the direct current switch cabinet belongs to one of the switch cabinets.

The components in the switch cabinet mainly comprise a circuit breaker, an isolating switch, a load switch, an operating mechanism, a mutual inductor, various protection devices and the like. Because the internal installation is more, it is comparatively intensive, when components and parts use, can give off the heat.

But the current cabinet body is comparatively sealed structure usually, has only seted up a little thermovent at the lateral wall of the cabinet body, and the heat that produces when the internal components and parts of cabinet is more increases along with it, is difficult to in time discharge from the thermovent in the short time to lead to the internal temperature of cabinet higher, thereby influenced components and parts life.

Disclosure of Invention

Technical scheme (I)

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides an easy heat dissipation type direct current cabinet switch cabinet, includes the cabinet body, cabinet door, built-in cabinet, ventilative heat abstractor, carries chamber and heat dissipation air pump, the front end of the cabinet body install the cabinet door, the internally mounted of the cabinet body has the built-in cabinet of separating the effect, ventilative heat abstractor is installed to both ends symmetry about the cabinet body, has seted up on the lower extreme base of the cabinet body and has carried the chamber, carries the rear end intercommunication in chamber to install the heat dissipation air pump, and installs on the cabinet body about the heat dissipation air pump.

Built-in cabinet including removing the frame, the assembly pole, separate board and slip post, remove the frame and be connected with the lower extreme of the cabinet body through front and back sliding fit's mode, from last down evenly installing the assembly pole on the inside wall of removal frame, both ends are passed through the hinge and are connected with the rear end that separates the board about the removal frame, the lower extreme mid-mounting that separates the board has the slip post, the slip post slides and sets up on the sliding tray, the lower extreme at the cabinet body is seted up to the sliding tray, built-in cabinet's setting is the components and parts and ventilating heat abstractor that is used for separating the installation, prevent that components and parts and ventilating heat abstractor direct contact back from influencing each other, and ventilative formula separate the board guarantee can even dispel the heat when separating.

The ventilating and heat-dissipating device comprises a dustproof heat-dissipating plate, a multi-stage cylinder, a protective cover, a connecting frame, an air suction plate, an air suction head and a sliding rail, wherein an embedded groove is formed in the side wall of the cabinet body, the dustproof heat-dissipating plate provided with heat-dissipating holes is embedded in the embedded groove, the connecting frame is arranged on the inner side wall of the cabinet body, the multi-stage cylinder is arranged on the connecting frame, the air suction plate is arranged at the ejection end of the multi-stage cylinder, the air suction head is arranged on the air suction plate and corresponds to the heat-dissipating holes in position, the protective cover is sleeved outside the multi-stage cylinder and plays a dustproof and waterproof role in protecting the protective cover, the upper end and the lower end of the air suction plate are provided with sliding blocks, the sliding blocks are connected with the foldable sliding rail in a sliding fit manner, the sliding rail plays a supporting type sliding role in the upper end and the lower end of the air suction plate when the air suction plate is far away from the side wall of the cabinet body, the stability of the air suction plate is improved, when the air suction plate is attached to the outer wall of the cabinet body, thereby the slip rail elasticity is folded and is compressed tightly the upper and lower both ends of air suction plate, has also improved the stability of air suction plate, and the slip rail is installed on the lateral wall of the cabinet body, is linked together between suction head and the transport chamber.

As a preferred technical scheme of the invention, the inner side wall of the dustproof heat dissipation plate is provided with the limiting frame, one side of the heat dissipation hole close to the built-in cabinet is provided with the dustproof net to play a dustproof effect, the diameter of the air suction head is equal to the aperture of the heat dissipation hole, when the air suction head is blocked in the heat dissipation hole, the effect of sealing and blocking is played, and the external rainwater and dust are prevented from entering.

As a preferable technical scheme of the invention, the inside of the air suction plate is provided with the communicating cavity, the air suction head is arranged at the transverse position on the air suction plate, and the communicating cavity is communicated with the air suction head, so that hot air sucked by the air suction head can be conveyed and discharged to the conveying cavity through the communicating cavity.

As a preferable technical scheme of the invention, the air suction plate consists of the clip frames, the connecting rods and the connecting rods, the connecting rods are uniformly arranged in the clip frames from top to bottom, the connecting rods are transversely arranged, the blocking area after hot air is diffused is reduced, and the connecting rods are connected between the adjacent clip frames.

As a preferred technical scheme of the invention, the front end of the conveying cavity is of an open structure, when a cabinet door is opened, components in the cabinet body need to be checked and replaced, and heat dissipation treatment is not needed (external dust is easily sucked into the cabinet body due to the opening of the cabinet door), the open structure is designed to ensure that most of air sucked out by a heat dissipation air pump is conveyed from the front end of the conveying cavity and is not sucked through a ventilation and heat dissipation device when the cabinet door is opened, so that the air suction effect of the ventilation and heat dissipation device is greatly reduced, the mistaken suction of external dust is reduced, when the cabinet door is closed, the opening of the conveying cavity is blocked and sealed by the lower end of the cabinet door, the hot air pump can only suck hot air out from the cabinet body through the ventilation and heat dissipation device to dissipate heat, air inlets are symmetrically formed at the left end and the right end of the conveying cavity, telescopic hoses are communicated between the air inlets and the communicating cavity, the linking effect is achieved.

As a preferred technical scheme of the invention, the sliding rail comprises a Z-shaped frame, a movable plate, a slide way and a built-in spring, the Z-shaped frame is installed on the outer wall of the cabinet body, the Z-shaped frame is connected with the movable plate through a pin shaft, the slide way is installed at the lower end of the movable plate, and the built-in spring is connected between the Z-shaped frame and the upper end of the movable plate.

As a preferable technical scheme of the invention, the slide way is in matched connection with the slide block.

In a preferred embodiment of the present invention, the partition plate has a heat dissipation mesh with a mesh structure inside, so as to provide a space and improve heat dissipation.

(II) advantageous effects

1. According to the easy-radiating type direct-current screen switch cabinet, the original radiating port is replaced by a multi-hole-position air suction mode, passive radiating is converted into active radiating, the radiating effect is greatly improved, meanwhile, the structure of the cabinet body is properly adjusted according to the current environment, the radiating effect is further improved, meanwhile, the built-in cabinet is arranged in the cabinet body, and the double-interlayer mode ensures that components and parts cannot be directly contacted with the ventilation radiating device, so that the condition of mutual influence is avoided;

2. according to the easy-to-radiate direct-current screen switch cabinet, the structure of the cabinet body is adjusted through whether the air suction plate and the air suction head are blocked or not, when the cabinet is outdoors, due to the influence of weather such as a large amount of dust, rainwater and the like, the structure of the cabinet body can only be kept in a relatively sealed state, but compared with the original radiating opening, the waterproof and dustproof effect is improved, when the cabinet is indoors, the two sides of the cabinet body are opened, compared with the radiating opening which is concentrated at one position, the multi-hole position is formed to be more beneficial to radiating, and active air suction is matched, so that the radiating effect is maximized.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view of a first configuration of the present invention;

FIG. 2 is a second schematic structural view of the present invention;

FIG. 3 is a schematic structural diagram of the cabinet body, the built-in cabinet, the ventilation and heat dissipation device, the conveying cavity and the heat dissipation air pump;

FIG. 4 is a schematic structural diagram of the cabinet, the ventilation and heat dissipation device, the conveying cavity and the heat dissipation air pump;

FIG. 5 is a schematic view of the structure of the built-in cabinet of the present invention;

FIG. 6 is a partial enlarged view of the dustproof heat-dissipating plate, the position-limiting frame and the dustproof net according to the present invention;

FIG. 7 is a cross-sectional view (from above) of the cabinet and the transfer chamber of the present invention;

FIG. 8 is a schematic view of the structure of the suction plate, suction head, sliding rail, communicating chamber, slider and flexible hose of the present invention;

FIG. 9 is a cross-sectional view of the present invention between the suction plate, suction head, communication chamber, slider and bellows;

fig. 10 is a cross-sectional view between the slide rail and the slider of the present invention.

Detailed Description

Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.

The following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the operator or the convention. Therefore, these terms are defined based on the entire contents of the present specification.

As shown in fig. 1 to 10, an easy heat dissipation type direct current cabinet, including the cabinet body 1, cabinet door 2, built-in cabinet 3, ventilative heat abstractor 4, carry chamber 5 and heat dissipation air pump 6, the front end of the cabinet body 1 install cabinet door 2, the internally mounted of the cabinet body 1 has built-in cabinet 3 that separates the effect, ventilative heat abstractor 4 is installed to both ends symmetry about the cabinet body 1, has seted up on the lower extreme base of the cabinet body 1 and has carried chamber 5, carries the rear end intercommunication in chamber 5 to install heat dissipation air pump 6, and installs on the cabinet body 1 about heat dissipation air pump 6.

The built-in cabinet 3 comprises a movable frame 31, an assembling rod 32, a separating plate 33 and a sliding column 34, wherein the movable frame 31 is connected with the lower end of the cabinet body 1 in a front-back sliding fit mode, the assembling rod 32 is uniformly installed on the inner side wall of the movable frame 31 from top to bottom, the left end and the right end of the movable frame 31 are connected with the rear end of the separating plate 33 through hinges, the sliding column 34 is installed in the middle of the lower end of the separating plate 33, the sliding column 34 is arranged on a sliding groove in a sliding mode, the sliding groove is formed in the lower end of the cabinet body 1, a heat radiating net with a net structure is arranged in the separating plate 33 to play a role of spacing and improve the heat radiation performance, the built-in cabinet 3 is used for separating installed components and the ventilation heat radiating device 4 to prevent the components from influencing each other after the components are directly contacted with the ventilation heat radiating device 4, the ventilation type separating plate 33 ensures that the components can be separated and can be radiated at the same time, when the components need to be installed in the built-in cabinet 3, the built-in cabinet 3 is pushed forwards, the current state is kept between the moving frame 31 and the partition plate 33 (the two are in a vertical state) before the built-in cabinet is pushed for a half distance, after more than half distance is pushed, the sliding column 34 is separated from the sliding groove, at the moment, the angle of the partition plate 33 can be adjusted, components can be conveniently mounted on the assembling rod 32 after the partition plate 33 is adjusted towards the outer side, after the components are mounted, the partition plate 33 is rotated to the original position, the built-in cabinet 3 is pushed backwards, and the repositioned sliding column 34 enters the sliding groove again.

The ventilation heat dissipation device 4 comprises a dustproof heat dissipation plate 41, a multi-stage cylinder 42, a protective cover 43, a connecting frame 44, an air suction plate 45, an air suction head 46 and a sliding rail 47, wherein an embedded groove is formed in the side wall of the cabinet body 1, the dustproof heat dissipation plate 41 provided with heat dissipation holes is embedded in the embedded groove, the connecting frame 44 is installed on the inner side wall of the cabinet body 1, the multi-stage cylinder 42 is installed on the connecting frame 44, the air suction plate 45 is installed on the ejection end of the multi-stage cylinder 42, the air suction head 46 is installed on the air suction plate 45, the positions between the air suction head 46 and the heat dissipation holes correspond to each other, the protective cover 43 is sleeved outside the multi-stage cylinder 42, the protective cover 43 plays a dustproof and waterproof protective effect, the sliding blocks 7 are installed at the upper end and the lower end of the air suction plate 45, the sliding blocks 7 are connected with the foldable sliding rail 47 in a sliding fit manner, and the sliding rail 47 plays a supporting sliding role at the upper end and the lower end of the air suction plate 45 when the side wall of the cabinet body 1 is far away from the side wall, the stability of the air suction plate 45 is improved, when the air suction plate 45 is attached to the outer wall of the cabinet body 1, the sliding rail 47 is elastically folded to compress the upper end and the lower end of the air suction plate 45, the stability of the air suction plate 45 is also improved, the sliding rail 47 is installed on the outer side wall of the cabinet body 1, the air suction head 46 is communicated with the conveying cavity 5, when the air suction device is in specific work, when the air suction device is placed outdoors, in order to avoid the entering of dust and rainwater, the air suction plate 45 is driven to move oppositely through the multistage air cylinder 42, so that the air suction head 46 is driven to block the heat dissipation holes, at the moment, the structures on the two sides of the cabinet body 1 are in a sealing state, at the moment, all hot air in the cabinet body 1 is sucked out through the heat dissipation air pump 6, the conveying path is discharged after sequentially passing through the heat dissipation holes, the communication cavity 50 and the conveying cavity 5, when the entering of dust and rainwater is not considered, at the moment, the air suction head 46 is far away from the heat dissipation holes, thereby realize that the cabinet body 1 no longer gives off steam for seal structure (components and parts during operation, steam can irregularly wave in the cabinet body 1 at sealed cabinet body 1 internal heat, be difficult to in time effluvium, unsealed cabinet body 1 is compared in sealed cabinet body 1, the radiating effect is better, the steam that gives off can in time effluvium under suction and the effect of not seal structure, steam can follow the louvre effluvium, and cooperate heat dissipation air pump 6, thereby breathe in even suction with steam suction of suction head 46, carry out the relevance according to the current environment to the structure of the cabinet body 1 and adjust, make the heat dissipation maximize, and the heat dissipation effect is improved.

The inside of the suction plate 45 is provided with a communicating cavity 50, the suction head 46 is arranged on a transverse position on the suction plate 45, the communicating cavity 50 is communicated with the suction head 46, the hot air sucked by the suction head 46 can be conveyed and discharged to the conveying cavity 5 after passing through the communicating cavity 50, the suction plate 45 consists of a return type frame, connecting rods and connecting rods, the connecting rods are uniformly arranged inside the return type frame from top to bottom, the connecting rods are transversely arranged, the blocking area after the hot air is dispersed is reduced, the connecting rods are connected between adjacent return type frames, the front end of the conveying cavity 5 is of an opening structure, when the cabinet door 2 is opened, the interior of the cabinet body 1 needs to be inspected and replaced, no heat dissipation treatment is needed (because the cabinet door 2 is opened, the outside dust is easily sucked into the cabinet body 1 by air suction), the design of the opening structure ensures that when the cabinet door 2 is opened, the gas of 6 aspirations of heat dissipation air pump is most mostly carried from the front end of carrying chamber 5 and comes in, not through ventilative heat abstractor 4 inhales, thereby the ventilative heat abstractor 4 effect of breathing in has been reduced greatly, the mistake of external dust is inhaled to have been reduced, when cabinet door 2 is closed, the opening part of carrying chamber 5 is plugged up sealedly by cabinet door 2's lower extreme, hot air pump 6 can only be through ventilative heat abstractor 4 with the steam suction in the cabinet body 1, and then dispel the heat, carry the left and right sides both ends symmetry in chamber 5 and seted up the air inlet, the intercommunication has flexible hose 8 between air inlet and the intercommunication chamber 50, play the effect of linking up.

The sliding rail 47 comprises a zigzag frame 471, a movable plate 472, a slide 473 and an internal spring 474, the zigzag frame 471 is mounted on the outer wall of the cabinet body 1, the zigzag frame 471 is connected with the movable plate 472 through a pin shaft, the slide 473 is mounted at the lower end of the movable plate 472, and an inner spring 474 is connected between the Z-shaped frame 471 and the upper end of the movable plate 472, the slide 473 is connected with the slide 7 in a slide fit manner, when the air suction plate 45 moves outward and is away from the outer wall of the cabinet 1, the sliding blocks 7 sliding synchronously push the movable plate 472 outward, so that the movable plate 472 is horizontally arranged, and at this time, the sliding block 7 enters the slide 473, thereby improving the stability of the suction plate 45 in the process of moving outwards, when the suction plate 45 is attached to the outer wall of the cabinet 1, the movable plate 472 is not pressed, the movable plate 472 is inwardly angled by the built-in spring 474 to press the upper and lower ends of the suction plate 45.

When in work:

component installation: the built-in cabinet 3 is pushed forwards, after the built-in cabinet is completely pushed out, the angle of the partition plate 33 can be adjusted, the partition plate 33 is opened outwards, the component is installed on the assembling rod 32, after the component is installed, the partition plate 33 is rotated to the original position, the built-in cabinet 3 is pushed backwards to reset, and the component is installed completely;

heat dissipation:

when the cabinet is placed outdoors, the multistage air cylinder 42 drives the air suction plate 45 to move oppositely, so as to drive the air suction head 46 to block the heat dissipation holes, at the moment, the structures on the two sides of the cabinet body 1 are in a sealing state, and the heat air in the cabinet body 1 is completely sucked out through the heat dissipation air pump 6 so as to dissipate heat;

when the cabinet is placed indoors, the air suction plate 45 is driven to move oppositely through the multi-stage air cylinder 42, the air suction head 46 is far away from the heat dissipation holes at the moment, the cabinet body 1 is no longer of a sealing structure, and hot air can be dissipated from the heat dissipation holes when the heat dissipation air pump 6 and the air suction head 46 are matched to suck air.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an easy heat dissipation type direct current cabinet switch cabinet, includes the cabinet body (1), cabinet door (2), built-in cabinet (3), ventilative heat abstractor (4), carries chamber (5) and heat dissipation air pump (6), its characterized in that: a cabinet door (2) is installed at the front end of the cabinet body (1), a built-in cabinet (3) with a separation effect is installed inside the cabinet body (1), ventilating and heat-dissipating devices (4) are symmetrically installed at the left end and the right end of the cabinet body (1), a conveying cavity (5) is formed in a lower end base of the cabinet body (1), the rear end of the conveying cavity (5) is communicated with and installed with a heat-dissipating air pump (6), and the heat-dissipating air pump (6) is installed on the cabinet body (1) in a left-and-right mode;

the built-in cabinet (3) comprises a moving frame (31), the moving frame (31) is connected with the lower end of the cabinet body (1) in a front-back sliding fit mode, an assembling rod (32) is uniformly installed on the inner side wall of the moving frame (31) from top to bottom, the left end and the right end of the moving frame (31) are connected with the rear end of a partition plate (33) through hinges, a sliding column (34) is installed in the middle of the lower end of the partition plate (33), the sliding column (34) is arranged on a sliding groove in a sliding mode, and the sliding groove is formed in the lower end of the cabinet body (1);

ventilative heat abstractor (4) including dustproof heating panel (41), the embedded groove has been seted up on the lateral wall of the cabinet body (1), embedded groove embeds installs dustproof heating panel (41) of seting up the louvre, install connection frame (44) on the inside wall of the cabinet body (1), install multistage cylinder (42) on connection frame (44), install suction plate (45) on the ejecting end of multistage cylinder (42), install suction head (46) on suction plate (45), position between suction head (46) and the louvre is corresponding, the outside cover of multistage cylinder (42) is equipped with protection casing (43), slider (7) are installed at the upper and lower both ends of suction plate (45), be sliding fit connection between slider (7) and folding sliding rail (47), install on the lateral wall of the cabinet body (1) sliding rail (47), suction head (46) and carry and be linked together between chamber (5).

2. The easy-to-radiate direct-current screen switch cabinet according to claim 1, characterized in that: the inside wall of dustproof heat dissipation plate (41) on install spacing frame (48), the louvre is close to the side of built-in cabinet (3) and is installed dust screen (49), the diameter of suction head (46) is equal with the aperture of louvre.

3. The easy-to-radiate direct-current screen switch cabinet according to claim 1, characterized in that: the suction plate (45) is internally provided with a communicating cavity (50), the suction head (46) is arranged at the transverse position on the suction plate (45), and the communicating cavity (50) is communicated with the suction head (46).

4. The easy-to-radiate direct-current screen switch cabinet according to claim 1, characterized in that: the suction plate (45) consists of a return-shaped frame, connecting rods and connecting rods, the connecting rods are uniformly arranged in the return-shaped frame from top to bottom, and the connecting rods are connected between the adjacent return-shaped frames.

5. The easy-to-radiate direct-current screen switch cabinet according to claim 1, characterized in that: the front end of the conveying cavity (5) is of an open structure, air inlets are symmetrically formed in the left end and the right end of the conveying cavity (5), and the air inlets and the communicating cavity (50) are communicated with each other through telescopic hoses (8).

6. The easy-to-radiate direct-current screen switch cabinet according to claim 1, characterized in that: the sliding rail (47) comprises a Z-shaped frame (471), the Z-shaped frame (471) is installed on the outer wall of the cabinet body (1), the Z-shaped frame (471) is connected with the movable plate (472) through a pin shaft, a sliding rail (473) is installed at the lower end of the movable plate (472), and a built-in spring (474) is connected between the Z-shaped frame (471) and the upper end of the movable plate (472).

7. The easy-to-radiate direct-current screen switch cabinet according to claim 6, characterized in that: the slide way (473) is connected with the slide block (7) in a slide way matching manner.

8. The easy-to-radiate direct-current screen switch cabinet according to claim 1, characterized in that: and a heat dissipation net with a net structure is arranged in the separation plate (33).