CN209748007U - Heat dissipation formula low-voltage cabinet - Google Patents

Abstract

The utility model discloses a heat-dissipating low-voltage cabinet, which comprises a cabinet body in a rectangular frame structure, a first crossbeam and a second crossbeam are arranged between the left and right sides inside the cabinet body, and the inside of the cabinet body passes through the first crossbeam The second beam is disassembled and installed with a partition, and the interior of the cabinet is divided into two closed spaces, the wiring end in the front and the heat dissipation end in the rear, through the partition. Air-supply holes are evenly distributed on the position facing the air-supply fan on the partition. An air-conditioning unit is installed on the bottom of the cabinet and on the side of the heat-dissipating end. An inspection door is provided at the position facing the air-conditioning unit at the rear of the cabinet. It solves the problem that the internal components are easily damaged due to the high temperature inside the cabinet.

Description

A cooling type low-voltage cabinet

technical field

The utility model relates to the technical field of electric equipment, in particular to a heat dissipation low-voltage cabinet.

Background technique

The low-voltage cabinet is the equipment responsible for completing power control, protection, conversion and distribution in the low-voltage power supply system. It is mainly composed of bus bars, components, instruments and cabinets. The components include isolating switches, circuit breakers, fuses, contactors and thermal relay etc.

CN207572734U discloses a multifunctional low-voltage cabinet, comprising a low-voltage cabinet box body, a cooling device is installed at the bottom of the low-voltage cabinet box body, and one end of the cooling device extends out of the bottom of the base, and the cooling device includes a cooling fan and a second Dust removal net, the inner bottom of the low-voltage cabinet box is provided with a fire extinguisher, one end of the fire extinguisher is connected with a fire extinguisher nozzle, and one side of the fire extinguisher nozzle is equipped with a fire extinguisher nozzle, and the temperature sensor and smoke sensor are connected with each other. The controller is electrically connected, and the low-voltage cabinet has the function of automatic fire extinguishing, but the heat dissipation capacity of this low-voltage cabinet is poor, causing the cabinet to be in a high temperature state. When the temperature in the cabinet is always at a high temperature, it is easy to damage the internal components, and the Affect normal work, and even cause a fire.

Utility model content

In order to overcome the above-mentioned problems, the utility model provides a heat-dissipating low-voltage cabinet, which solves the problem that the internal components are easily damaged due to the high internal temperature of the cabinet.

The technical scheme adopted by the utility model to solve the technical problem is: the utility model provides a heat dissipation low-voltage cabinet, which includes a cabinet body with a rectangular frame structure, and a first crossbeam is arranged between the left and right sides of the cabinet body And the second crossbeam, the interior of the cabinet is disassembled and installed with a partition through the first crossbeam and the second crossbeam, and the interior of the cabinet is divided into two enclosed spaces by the front wiring end and the rear heat dissipation end through the partition. The air-supply fan is installed on the partition on the side of the heat dissipation end, and the position facing the air supply fan on the partition is evenly distributed with air supply holes. The bottom of the cabinet is installed on the side of the heat dissipation end. There is an inspection door at the rear of the body facing the air-conditioning unit.

Preferably, the first beam and the second beam are installed parallel to each other inside the cabinet, and the first beam is arranged at an upper position inside the cabinet, and the second beam is arranged at a lower position inside the cabinet.

Preferably, a support frame is provided on the end surface of the partition on the side of the wiring end, and a heat conduction plate is installed on the support frame. The heat in the wiring end space is absorbed by the heat conduction plate and transferred to the separator through the support frame to avoid heat accumulation at the wiring end.

Preferably, a chute is provided at the bottom of the cabinet on one side of the heat dissipation end, a slide rail is slidably mounted on the chute, and the air conditioner unit is fixedly installed on the slide rail. It can facilitate the maintenance of the air conditioning unit.

Preferably, the top of the cabinet is also provided with an installation slot for installing the air outlet fan, and a dustproof net is installed on the top of the cabinet facing the air outlet fan. The heat generated by the internal components of the wiring end can be sent out of the cabinet through the air outlet fan, further improving the heat dissipation effect inside the cabinet.

Preferably, fixing grooves are evenly provided at the positions corresponding to the partition board and the front end of the cabinet body, and wiring clips are installed through the fixing grooves. The position of the wiring card board on the cabinet can be adjusted according to the requirements of use, so that the upper and lower spaces of the wiring end can be evenly distributed according to the use, thereby improving the heat dissipation efficiency of the low-voltage cabinet.

Compared with the prior art, the utility model has the beneficial effects that: the low-voltage cabinet divides the inside of the cabinet into two closed spaces, the wiring end in the front and the heat dissipation end in the rear, through the partition board, and the bottom of the cabinet and the heat dissipation end An air-conditioning unit is installed on one side, and the cold air in the heat dissipation end will be transmitted to the wiring end, thereby reducing the heat in the wiring end space, and solving the problem that the internal components are easily damaged due to the high internal temperature of the cabinet.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 is a schematic diagram of the shaft side structure of a heat dissipation low-voltage cabinet described in the utility model;

Fig. 2 is a schematic diagram of the axial side structure of a heat dissipation low-voltage cabinet described in the present invention;

Fig. 3 is a schematic diagram of the internal structure of a heat-dissipating low-voltage cabinet described in the present invention.

Description of drawings: 1. Cabinet body; 2. First beam; 3. Second beam; 4. Partition; 5. Shutter; 6. Blowing fan; 7. Air conditioning unit; Frame; 10, heat conduction plate; 11, air outlet fan; 12, fixing slot; 13, wiring card board.

Detailed ways

Now in conjunction with accompanying drawing, the utility model is described in further detail. These drawings are all simplified schematic diagrams, and only schematically illustrate the basic structure of the utility model, so they only show the configurations related to the utility model.

The utility model is implemented as follows: a heat dissipation low-voltage cabinet as shown in Figure 1-3, including a cabinet body 1 with a rectangular frame structure, a first beam 2 and a Two crossbeams 3, inside the cabinet body 1 are disassembled and installed with a partition 4 through the first crossbeam 2 and the second crossbeam 3, and the interior of the cabinet 1 is divided into two closed spaces by the front wiring end and the rear heat dissipation end through the partition 4 , the left and right sides of the cabinet body 1 facing the wiring end are symmetrically provided with louvers 5, through the louvers 5, the interior of the wiring end will exchange air with the outside world, improving the heat dissipation efficiency of the cabinet body 1, and the partition 4 is located on the side of the heat dissipation end. A blower fan is installed 6. There are evenly distributed air supply holes on the partition 4 facing the air supply fan 6. Taking out the partition 4 can facilitate the maintenance of the air supply fan 6. The bottom of the cabinet 1 and the side of the heat dissipation end are installed with an air conditioner. Unit 7, an inspection door 8 is provided at the position facing the air-conditioning unit 7 at the rear of the cabinet body 1, and the internal air-conditioning unit 7 can be inspected and repaired through the inspection door 8. The first beam 2 and the second beam 3 are installed in the cabinet parallel to each other Inside the body 1, and the first cross beam 2 is set at the upper position inside the cabinet body 1, the second cross beam 3 is set at the lower position inside the cabinet body 1, and the end surface of the partition plate 4 on the side of the wiring end is provided with a support frame 9 , a heat conduction plate 10 is installed on the support frame 9, the heat in the wiring terminal space is absorbed by the heat conduction plate 10, and transferred to the partition 4 through the support frame 9, the partition 4 has a large area and can disperse the absorbed heat on the surface, The cold air of the air conditioner unit in the heat dissipation end will also be transferred to the partition 4, thereby diluting the heat and avoiding heat accumulation at the wiring end. The bottom of the cabinet body 1 is located on the side of the heat dissipation end. Slide rail, the air conditioning unit 7 is fixedly installed on the slide rail, the air conditioning unit 7 will move with the pull of the slide rail, and the air conditioning unit 7 can be moved to the outside of the cabinet 1, so as to facilitate the maintenance of the air conditioning unit 7, the top of the cabinet 1 There is also an installation slot for installing the air outlet fan 11, and a dust-proof net is installed on the top of the cabinet 1 facing the air outlet fan 11, and the heat generated by the internal components of the wiring end can be sent out of the cabinet through the air outlet fan 11 1. To further improve the heat dissipation effect inside the cabinet 1, the partition 4 and the front end of the cabinet 1 are uniformly provided with fixing grooves 12, and the wiring clamps 13 are installed through the fixing grooves 12, and the wiring clamps 13 can be adjusted according to the use requirements Placed on the cabinet body 1, so that the upper and lower spaces of the wiring end can be evenly distributed according to the use, thereby improving the heat dissipation efficiency of the low-voltage cabinet.

Inspired by the above-mentioned ideal embodiment according to the utility model, and through the above-mentioned description content, relevant staff can completely make various changes and modifications within the scope of not deviating from the technical idea of the utility model. The technical scope of this utility model is not limited to the content in the description, but must be determined according to the scope of the claims.

Claims (6)

1. A heat-dissipating low-voltage cabinet, comprising a cabinet with a rectangular frame structure, characterized in that: a first crossbeam and a second crossbeam are arranged between the left and right sides inside the cabinet, and the inside of the cabinet passes through the first The crossbeam and the second crossbeam are disassembled and installed with partitions, and the interior of the cabinet is divided into two closed spaces, the wiring end in the front and the heat dissipation end in the rear, through the partitions. In addition, there are air supply holes evenly distributed on the position facing the air supply fan on the partition, an air conditioning unit is installed at the bottom of the cabinet and on the side of the heat dissipation end, and an inspection door is provided at the position facing the air conditioning unit at the rear of the cabinet . 2. A heat-dissipating low-voltage cabinet according to claim 1, characterized in that: the first beam and the second beam are installed parallel to each other inside the cabinet, and the first beam is arranged at an upper position inside the cabinet, The second horizontal dyeing is set at the lower position inside the cabinet. 3. A heat dissipation low-voltage cabinet according to claim 1, characterized in that: a support frame is provided on the end surface of the partition located on the side of the wiring end, and a heat conducting plate is installed on the support frame. 4. A heat-dissipating low-voltage cabinet according to claim 1, characterized in that: the bottom of the cabinet at one side of the heat dissipation end is provided with a chute, and a slide rail is installed on the chute, and the The air conditioning unit is fixedly installed on the slide rail. 5. A heat-dissipating low-voltage cabinet according to claim 1, characterized in that: the top of the cabinet is also provided with an installation groove for installing the air outlet fan, and the top of the cabinet is installed at the position facing the air outlet fan Dust net. 6. A heat-dissipating low-voltage cabinet according to claim 1, characterized in that: fixed slots are evenly provided on the corresponding positions of the partition board and the front end of the cabinet body, and wiring clamps are installed through the fixed slots.