CN112350194B

CN112350194B - Heat dissipation electric cabinet

Info

Publication number: CN112350194B
Application number: CN202011231253.1A
Authority: CN
Inventors: 赵成雷; 张传荣; 陈正茂
Original assignee: Guangdong Qiujing Electrical
Current assignee: Guangdong Qiujing Electrical
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2022-11-11
Anticipated expiration: 2040-11-06
Also published as: CN112350194A

Abstract

The invention provides a heat dissipation electric cabinet which comprises a cabinet body, wherein the bottom of the cabinet body is connected with a heat dissipation device, the heat dissipation device comprises a rotating mechanism, a mixing mechanism and a cold air chamber which are sequentially connected, and the rotating mechanism is communicated with the bottom of the cabinet body. This application is through setting up heat abstractor has effectively improved the radiating efficiency, becomes the air current that the straight line flows whirlwind vortex to improve the contact and the heat transfer of the electric elements in air current and the electricity cabinet, thereby improve the radiating efficiency.

Description

Heat dissipation electric cabinet

Technical Field

The invention relates to the field of electrical equipment, in particular to a heat dissipation electric cabinet.

Background

The electric cabinet, namely the power distribution cabinet, the lighting power distribution cabinet and the metering cabinet are final-stage equipment of the power distribution system. The power distribution cabinet is a general name of a motor control center. The power distribution cabinet is used in the occasions with dispersed loads and less loops; the motor control center is used for occasions with concentrated loads and more loops. They distribute the power of a certain circuit of the upper-level distribution equipment to the nearby loads. This level of equipment should provide protection, monitoring and control of the load. The electric cabinet is a common electric power infrastructure, and a large number of electric power components are arranged in the electric power cabinet, so that the protection work of the electric power cabinet is not important.

Current electric cabinet is mostly welding formula structure, plate structure etc. and inside airtight, and heat dispersion is poor, causes the safe operation that other consumer were influenced to the high side of temperature in the cabinet.

Disclosure of Invention

Based on this, in order to solve the problem of poor heat dissipation in the electric cabinet, the invention provides a heat dissipation electric cabinet, and the specific technical scheme is as follows:

the utility model provides a heat dissipation electric cabinet, includes the cabinet body, the bottom of the cabinet body is connected with heat abstractor, heat abstractor is including the rotary mechanism, mixing mechanism and the cold air chamber that connect gradually, rotary mechanism with the bottom intercommunication of the cabinet body.

The heat dissipation electric cabinet effectively improves the heat dissipation efficiency by the arrangement of the heat dissipation device, and changes the airflow flowing in a straight line into the cyclone vortex, so that the contact and the heat exchange of the airflow and the electric elements in the electric cabinet are improved, and the heat dissipation efficiency is improved.

Further, mixing mechanism includes hybrid tube, film, input pipeline, arc piece and spiral shell, the spiral shell connect in hybrid tube's top, the film set up in the hybrid tube, arc piece fixed connection in hybrid tube's inside, the input pipeline with hybrid tube through connection.

Further, the spiral rack includes first spiral board, second spiral board and output pipeline, first spiral board with the second spiral board is connected, first spiral board with the inner structure of second spiral board forms the spiral siphunculus, the spiral siphunculus respectively with output pipeline and mixing duct intercommunication, output pipeline with rotary mechanism intercommunication.

Furthermore, the rotating mechanism comprises a rotating frame, a gear shaft, a bevel gear, a joint seat and a blade wheel, the blade wheel and the bevel gear are concentric wheels and are fixedly connected through a movable shaft rod, the gear shaft is meshed with the bevel gear, the joint seat is arranged below the bevel gear, and the rotating frame is connected with the gear shaft.

Furthermore, a through hole structure of a conical column base is arranged inside the joint seat.

Furthermore, the rotating frame comprises a plurality of fine-hole movable plates, a plurality of baffles, a plurality of rubber blocks, a plurality of gas outlets and a central shaft tube, the central shaft tube is communicated with the gear shaft, the plurality of gas outlets are formed in the periphery of the central shaft tube and communicated with the central shaft tube, the plurality of baffles comprise a fixed plate and a movable plate, the movable plates comprise movable ends and rotating ends, one ends of the fixed plates are fixedly connected with the central shaft tube, the other ends of the fixed plates are hinged with the rotating ends of the movable plates in a one-to-one correspondence mode, and the movable ends of the movable plates face the same direction; one end of the fine hole movable plate is connected to the movable end, and the other end of the fine hole movable plate is connected to the nearest fixed plate; one end of the rubber block is connected to the movable end, and the other end of the rubber block is connected to the nearest fixing plate.

Further, the fine pore movable plate comprises two end blocks, and a fine pore screen plate is connected between the two end blocks.

Furthermore, the inner side end face of the rubber block is provided with a roller type movable clamping groove, and the movable end is movably clamped in the movable clamping groove.

Furthermore, the movable ends of the movable plates are arranged towards the counterclockwise direction or the clockwise direction.

Furthermore, a gap between the air outlet and the baffle is movably arranged.

Drawings

The invention will be further understood from the following description in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate corresponding parts throughout the different views.

Fig. 1 is a schematic structural diagram of a heat dissipation device of an electrical heat dissipation cabinet according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a mixing mechanism of an electrical cabinet for dissipating heat according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a spiral rack of a heat dissipation electrical cabinet according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a rotating mechanism of an electrical cabinet for dissipating heat according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a rotating frame of an electrical cabinet for dissipating heat according to an embodiment of the present invention.

Description of the reference numerals:

1. a cold air chamber; 2. a mixing mechanism; 3. a rotation mechanism; 21. a mixing duct; 22. a film; 23. an input pipe; 24. an arc-shaped block; 25. a spiral frame; 251. a spiral tube; 252. a first spiral plate; 253. a second spiral plate; 254. an output pipe; 31. a rotating frame; 32. a gear shaft; 33. a bevel gear; 34. a joint seat; 35. a vane wheel; 311. a fine hole movable plate; 312. a baffle plate; 313. a rubber block; 314. an air outlet; 315. a central shaft tube.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to embodiments thereof. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a single embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The terms "first" and "second" as used herein do not denote any particular order or quantity, but rather are used to distinguish one element from another.

As shown in fig. 1 to 5, the heat dissipation electric cabinet in an embodiment of the present invention includes a cabinet body, a heat dissipation device is connected to a bottom of the cabinet body, the heat dissipation device includes a rotating mechanism 3, a mixing mechanism 2 and a cold air chamber 1, which are sequentially connected, and the rotating mechanism 3 is communicated with the bottom of the cabinet body. The inside of cold air room 1 is equipped with cooling gas, carries out through the inside air conditioning of cold air room 1 the cold and hot circulation of the gaseous of the internal portion of cabinet carries out the cooling work.

In one embodiment, the mixing mechanism 2 includes a mixing pipe 21, a film 22, an input pipe 23, an arc block 24, and a spiral rack 25, the spiral rack 25 is connected to the top of the mixing pipe 21, the film 22 is disposed in the mixing pipe 21, the arc block 24 is fixedly connected to the inside of the mixing pipe 21, and the input pipe 23 is connected to the mixing pipe 21. Specifically, the mixing duct 21 is a herringbone duct having two first air inlets connected to the cold air chamber 1, the thin film 22 is disposed in the two first air inlets, and the thin film 22 forms an integrated structure by adhering to the mixing duct 21; the arc-shaped block 24 is fixedly installed on the side edge inside the mixing pipeline 21, the arc-shaped block 24 and the mixing pipeline 21 are clamped and welded together by a plate body, and the input pipeline 23 is horizontally connected to the end surface of the side edge of the mixing pipeline 21 and is communicated with the mixing pipeline 21; the film 22 is a cross-shaped soft film plate structure, the film plate affected by the air flow can be driven to move through the soft film plate structure, so that the cooling air flow input into the cold air chamber 1 can be changed in direction, the arc block 24 is a block structure with an arc angle with a small radian at the end, the trend of flowing along the small radian bend angle is provided for the air flow according to the coanda effect, and the arc block 24 is used for changing the flowing and outputting direction of the external air flow input by the input pipeline 23. This design makes it possible to mix the external air flow supplied by the supply line 23 and the cooling air flow supplied by the cold air chamber 1 sufficiently.

In one embodiment, the spiral rack 25 includes a first spiral plate 252, a second spiral plate 253, and an output duct 254, the first spiral plate 252 is connected to the second spiral plate 253, the internal structures of the first spiral plate 252 and the second spiral plate 253 form a spiral pipe, the spiral pipe is respectively communicated with the output duct 254 and the mixing duct 21, and the output duct 254 is communicated with the rotating mechanism 3. The length of the fluid channel inside can be increased through the concentric circle structure formed in a zigzag mode, and then the condensation degree of air flow is improved as far as possible in a limited space, and the cooling work of the cabinet body is facilitated.

In one embodiment, the rotating mechanism 3 includes a rotating frame 31, a gear shaft 32, a bevel gear 33, a joint seat 34 and a vane wheel 35, the vane wheel 35 and the bevel gear 33 are concentric wheels and are fixedly connected through a movable shaft, the gear shaft 32 is in meshed connection with the bevel gear 33, the joint seat 34 is arranged below the bevel gear 33, and the rotating frame 31 is connected with the gear shaft 32. The vane wheel 35 is driven by the airflow to provide power for the bevel gear 33 to rotate, so as to drive the gear shaft 32 to rotate, so as to drive the rotating frame 31 to rotate, and the gear shaft 32 is hollow, so that the airflow is output to the rotating frame 31 through the gear shaft 32.

In one embodiment, the engaging seat 34 is provided with a through hole structure of a tapered pillar.

In one embodiment, the rotating frame 31 includes a plurality of fine-hole movable plates 311, a plurality of baffles 312, a plurality of rubber blocks 313, a plurality of air outlets 314, and a central shaft tube 315, the central shaft tube 315 is communicated with the gear shaft 32, the plurality of air outlets 314 are disposed at the periphery of the central shaft tube 315 and are communicated with the central shaft tube 315, the plurality of baffles 312 each include a fixed plate and a movable plate, the movable plates each include a movable end and a rotating end, one end of the fixed plate is fixedly connected with the central shaft tube 315, the other end of the fixed plate is hinged to the rotating ends of the movable plates in a one-to-one correspondence manner, and the movable ends of the movable plates all face the same direction; one end of the fine hole movable plate 311 is connected to the movable end, and the other end of the fine hole movable plate 311 is connected to the nearest fixed plate; one end of the rubber block 313 is connected to the movable end, and the other end of the rubber block 313 is connected to the nearest fixing plate. Through the design, the rotating frame 31 capable of adjusting the direction of the airflow can be formed, so that the airflow forming the spiral vortex is output into the cabinet body, the electric elements in the cabinet body can be covered by the airflow as much as possible, the heat in the electric elements can be fully carried away, and the cooling effect is improved.

In one embodiment, the fine pore moving plate 311 comprises two end blocks, between which a fine pore mesh plate is connected.

In one embodiment, a roller-type movable clamping groove is formed in the end surface of the inner side of the rubber block 313, and the movable end is movably clamped in the movable clamping groove. The fine hole movable plate 311 can be stretched and folded to tighten the internal mesh structure for expanding the outlet of the airflow, and the movable clamping groove of the rubber block 313 is used for limiting movement of the baffle 312 during movement.

In one embodiment, the movable ends of the movable plates are all arranged towards the counterclockwise direction or the clockwise direction.

In one embodiment, the gap between the air outlet 314 and the baffle 312 is movably disposed. The design can ensure that the airflow blown out from the air outlet 314 can generate impact force on the baffle 312 so as to enable the baffle 312 to movably deform and adjust the size of the airflow output into the cabinet.

The working principle is as follows: after the compressed gas is introduced through the input duct 23, and the film 22 is drawn upward by the turning of the arc block 24, and the cool air in the lower cool air chamber 1 is drawn and output by the partition of the film 22 through the mixing duct 21, and after the high-pressure cool hot gas is introduced through the spiral tube 251 in the spiral frame 25, the path through which the gas flows in the interior is increased by the spiral tube 251, and the gas flows in the interior are merged with each other after the gas is collided by the rotation, so that the total time for cooling the gas flow in the interior is reduced by the accelerated rotational mixing of the introduced gas flows, and the gas is maintained at a proper temperature, and the gas passes through the upper joint seat 34 while being output upward, and the upward gas blows the vane wheel 35 so that the bevel gear 33 is forced to follow the rotation, and then the rotating frame 31 is rotated by the hollow shaft 32, and after the gas flow is introduced through the central shaft tube 315, the gas then turns to output through the gas outlet 314, the inner baffle 312 is blown, and the gas flows out through the annular baffle 312 in a manner of being pulled and the annular baffle 312, so that the annular baffle 312 is pushed out in a horizontal manner, and the annular baffle 312 is more stable, and the annular baffle 312 is pushed out.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent should be subject to the appended claims.

Claims

1. A heat dissipation electric cabinet is characterized by comprising a cabinet body, wherein the bottom of the cabinet body is connected with a heat dissipation device, the heat dissipation device comprises a rotating mechanism, a mixing mechanism and a cold air chamber which are sequentially connected, and the rotating mechanism is communicated with the bottom of the cabinet body;

the mixing mechanism comprises a mixing pipeline, a film, an input pipeline, an arc-shaped block and a spiral rack, the spiral rack is connected to the top of the mixing pipeline, the film is arranged in the mixing pipeline, the arc-shaped block is fixedly connected to the inside of the mixing pipeline, and the input pipeline is communicated with the mixing pipeline;

the spiral frame comprises a first spiral plate, a second spiral plate and an output pipeline, the first spiral plate is connected with the second spiral plate, the internal structures of the first spiral plate and the second spiral plate form a spiral through pipe, the spiral through pipe is respectively communicated with the output pipeline and the mixing pipeline, and the output pipeline is communicated with the rotating mechanism;

the rotating mechanism comprises a rotating frame, a gear shaft, a bevel gear, a joint seat and a blade wheel, wherein the blade wheel and the bevel gear are concentric wheels and are fixedly connected through a movable shaft rod, the gear shaft is meshed with the bevel gear, the joint seat is arranged below the bevel gear, and the rotating frame is connected with the gear shaft;

the rotary frame comprises a plurality of fine-hole movable plates, a plurality of baffles, a plurality of rubber blocks, a plurality of gas outlets and a central shaft tube, the central shaft tube is communicated with the gear shaft, the gas outlets are formed in the periphery of the central shaft tube and communicated with the central shaft tube, the baffles comprise fixed plates and movable plates, the movable plates comprise movable ends and rotating ends, one ends of the fixed plates are fixedly connected with the central shaft tube, the other ends of the fixed plates are hinged with the rotating ends of the movable plates in a one-to-one correspondence mode, and the movable ends of the movable plates face the same direction; one end of the fine hole movable plate is connected to the movable end, and the other end of the fine hole movable plate is connected to the nearest fixed plate; one end of the rubber block is connected to the movable end, and the other end of the rubber block is connected to the nearest fixing plate.

2. The heat dissipating electrical cabinet of claim 1, wherein the engaging seat is provided with a through hole structure of a tapered pillar in an interior thereof.

3. The cabinet of claim 1, wherein the fine-meshed moving plate comprises two end blocks, and a fine-meshed plate is connected between the two end blocks.

4. The heat dissipation electric cabinet according to claim 1, wherein a roller-type movable slot is disposed on an inner side surface of the rubber block, and the movable end is movably engaged with the movable slot.

5. The heat dissipating electrical cabinet of claim 1, wherein the movable ends of the plurality of movable plates are disposed in a counterclockwise direction or a clockwise direction.

6. The electrical cabinet for dissipating heat of claim 1, wherein a gap is movably disposed between the air outlet and the baffle.