CN211792618U

CN211792618U - High-efficient cooling system of UPS

Info

Publication number: CN211792618U
Application number: CN202020382063.9U
Authority: CN
Inventors: 张代军; 刘山林; 周奎
Original assignee: Chongqing Hwyton Electric Co ltd
Current assignee: Chongqing Hwyton Electric Co ltd
Priority date: 2020-03-24
Filing date: 2020-03-24
Publication date: 2020-10-27
Anticipated expiration: 2030-03-24

Abstract

A UPS high-efficiency heat dissipation system relates to the technical field of power supplies, and adopts the technical scheme that the UPS high-efficiency heat dissipation system comprises a box body, wherein the box body comprises a back plate, a partition plate is arranged in the box body to divide the box body into an upper layer area and a lower layer area, an air inlet is formed in the part of the back plate in the lower layer area, an air outlet is formed in the part of the back plate in the upper layer area, and any opening capable of ventilating is not formed in other side surfaces of the box body except the back plate; the baffle is characterized in that a vent is formed in one end, away from the back plate, of the baffle, a drainage tube is arranged on the vent, an air inlet of a turbine fan is formed in the drainage tube, and an air outlet is formed in the side face, facing the back plate, of the turbine fan. The utility model arranges the air inlet and the ventilation opening on the back plate, which does not affect the beauty of the whole machine; through turbo fan intercommunication upper strata region and lower floor region, turbo fan occupation space is little, and the air output is big, and heat dispersion is good, not only easily lays wire, practices thrift the effective space in the box moreover.

Description

High-efficient cooling system of UPS

Technical Field

The utility model relates to a power technical field especially relates to a high-efficient cooling system of UPS.

Background

The UPS, i.e., an Uninterruptible Power System, is an Uninterruptible Power supply including an energy storage device, and is mainly used to provide an uninterrupted Power supply for some devices having a high requirement on Power stability.

In the UPS operation process, power components represented by transformers and inductors and control components mounted on a PCBA circuit board all emit a large amount of heat, and in the prior art, heat inside the box is taken away by providing a radiator and a fan, and providing ventilation openings in the UPS box to form air flow.

In the conventional double-layer UPS with the power module and the control module separated from each other, the conventional heat dissipation method is that an air inlet and an air outlet are respectively formed in the front plate and the back plate of each layer, and a plurality of small-power fans are arranged at the air inlet to form an independent heat dissipation area. The cold air enters the box body from the air inlet of the front plate and is discharged from the air outlet of the back plate. A plurality of miniwatt fans are scattered, not only occupy the effective space in the box, influence the distribution of internal line and subassembly, and the air intake on the front bezel also can influence UPS's whole pleasing to the eye.

SUMMERY OF THE UTILITY MODEL

Effective space, the air intake setting that a plurality of miniwatt fans distribute scattered in occupying the box among the prior art scheme influences pleasing to the eye problem on the front bezel, the utility model provides a high-efficient cooling system of UPS.

The utility model provides a following technical scheme: the UPS efficient heat dissipation system comprises a box body, wherein the box body comprises a back plate, a partition plate is arranged in the box body to divide the box body into an upper layer area and a lower layer area, an air inlet is formed in the part of the lower layer area of the back plate, an air outlet is formed in the part of the back plate in the upper layer area, and any opening capable of ventilating is not formed in the other side surfaces of the box body except the back plate; the baffle is characterized in that a vent is formed in one end, away from the back plate, of the baffle, a drainage tube is arranged on the vent, an air inlet of a turbine fan is formed in the drainage tube, and an air outlet is formed in the side face, facing the back plate, of the turbine fan.

As a specific implementation mode, the turbofan further comprises a housing, the air inlet is arranged at the bottom of the housing, the motor is arranged on the inner wall of the top of the housing, the motor is connected with a rotating shaft, and the rotating shaft is connected with an impeller.

Preferably, the air inlet and the air outlet are both of a net structure consisting of a plurality of rhombic, circular, square or irregular through holes.

Preferably, the lower layer area of the box body is also provided with a transformer and an inductor; the upper layer area of box still is provided with the PCBA circuit board, be provided with the radiator on the PCBA circuit board.

Preferably, the heat sink includes a plurality of fins parallel to each other, and a length direction of the fins is perpendicular to the back plate.

The utility model has the advantages that: the air outlet and the air inlet of the box body are arranged on the back plate, so that the overall attractiveness of the UPS is not affected; be provided with vent and turbofan on the baffle, make the upper strata region and the regional intercommunication of lower floor of box, cold air gets into from the air intake, warp the regional, drainage tube, the turbofan of lower floor of box get into the heat of radiator is taken away to the box upper strata region, flows through the radiator, follows at last the air outlet on the backplate leaves the box, accomplishes the heat dissipation. The turbine fan occupies a small space, the air outlet volume is large, the heat dissipation performance is good, the effect of a plurality of cooling fans in the prior art can be replaced by one fan, wiring is easy, the effective space in the box body is saved, and the size of the whole machine is reduced.

Drawings

Fig. 1 is a three-dimensional schematic diagram of an embodiment of the present invention.

Fig. 2 is a side view of an embodiment of the present invention.

Fig. 3 is a rear view of an embodiment of the present invention.

Fig. 4 is a side view of an embodiment of a medium turbine fan according to the present invention.

Fig. 5 is an internal structure view of an embodiment of the medium turbine fan of the present invention.

Reference numerals: 1-box body, 11-upper layer area, 111-PCBA circuit board, 112-radiator, 12-lower layer area, 121-transformer, 122-inductor, 2-back plate, 21-air inlet, 22-air outlet, 3-partition plate, 4-ventilation opening, 5-drainage tube, 6-turbo fan, 61-air inlet, 62-air outlet, 63-shell, 64-motor and 65-impeller.

Detailed Description

The embodiments of the present invention will be described in more detail below with reference to the accompanying drawings and reference numerals, so that those skilled in the art can implement the embodiments after studying the specification. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

The utility model provides a UPS high-efficient cooling system as shown in fig. 1 and fig. 2, including box 1, box 1 includes backplate 2, be provided with baffle 3 in the box 1 and divide box 1 into upper region 11 and lower floor region 12, backplate 2 is provided with air intake 21 in the part of lower floor region 12, backplate 2 is provided with air outlet 22 in the part of upper region 11, and other sides of box 1 except backplate 2 do not set up any opening that can ventilate; one end of the partition board 3, which is far away from the back board 2, is provided with a vent 4, the vent 4 is provided with a drainage tube 5, the drainage tube 5 is provided with an air inlet 61 of a turbine fan 6, and the side surface of the turbine fan 6, which faces the back board, is provided with an air outlet 62.

The box body is generally rectangular and can be assembled by 6 panels made of stainless steel including the back panel; the baffle can select the stainless steel plate preparation, will the box is divided into upper zone and lower floor's region, the upper zone mainly arranges the control assembly including PCBA circuit board, the power component that mainly uses transformer and inductor is arranged in the lower floor's region. As shown in fig. 3, the back plate is provided with an air inlet and an air outlet, the air inlet is located below the back plate, and the air outlet is located above the back plate and respectively corresponds to the lower layer area and the upper layer area separated by the partition plate. Except for the back plate, the other side surfaces of the box body are not provided with any openings capable of ventilating, particularly the front surface of the box body, so that the influence on the appearance of the UPS complete machine due to the openings arranged on the front surface is avoided.

As shown in fig. 2, in order to form a path for the airflow to flow between the upper layer area and the lower layer area, the partition plate is provided with a vent at one end far away from the back plate, and the vent may be circular, and the diameter of the vent is greater than half of the width of the partition plate, so as to ensure that sufficient airflow can pass through and ensure the heat dissipation efficiency.

As shown in fig. 1, 2 and 5, the vent is connected with a flow guide pipe, which is used for guiding the flow direction of the gas and adjusting the height of the air outlet of the turbine fan, so that the air outlet can cover the radiator and most of the air outlet on the back plate. The honeycomb duct is connected with the air inlet of a turbo fan, the turbo fan can select the SJ1232 small centrifugal fan, the airflow direction of the turbo fan is perpendicular to the rotating shaft, larger air volume can be output under the condition that smaller space is occupied, and the heat dissipation effect is improved. And the rotating shaft of the turbine fan is vertical to the partition plate, so that the airflow in the lower layer area is sucked from the bottom and is sprayed out from the air outlet facing the back plate, and the air in the upper layer area and the air in the lower layer area are driven to flow.

When the cooling fan works, the turbine fan starts to rotate, negative pressure is formed in the lower layer area, cold air is sucked from the air inlet at the lower part of the back plate, is sprayed to the air outlet at the upper part of the back plate through the air inlet by the turbine fan, takes away heat generated by components in the coverage range of the flow direction path, and completes heat dissipation.

As a specific embodiment, the turbofan 6 further includes a housing 63, the air inlet 61 is disposed at the bottom of the housing 63, a motor 64 is disposed on an inner wall of the top of the housing 63, the motor 64 is connected to a rotating shaft, and the rotating shaft is connected to an impeller 65.

As shown in fig. 4 and 5, the turbo fan may be selected as a SJ1232 small centrifugal fan, the housing and the impeller may be selected as stainless steel or plastic, the motor may be selected as an XD-3420 small dc motor, and a rotation shaft of the impeller is perpendicular to the partition plate.

Preferably, the air inlet 21 and the air outlet 22 are both of a mesh structure composed of a plurality of diamond-shaped, circular, square-shaped or irregular-shaped through holes.

As shown in fig. 3, the air inlet and the air outlet are of a mesh structure, so that foreign matters with large sizes can be prevented from entering the box, and dust screens made of stainless steel can be further arranged on the air inlet and the air outlet.

Preferably, the lower region 12 of the tank 1 is further provided with a transformer 121 and an inductor 122; the upper layer area 11 of box 1 still is provided with PCBA circuit board 111, be provided with radiator 112 on the PCBA circuit board 111.

The transformer and the inductor are main components of the UPS, so that a power change effect is achieved, and the transformer and the inductor with different powers can be selected according to the actual power of the UPS; the PCBA circuit board is the basis of the UPS control assembly, and the heat dissipation area of the UPS control assembly can be enlarged by the heat radiator arranged on the PCBA circuit board, so that the heat dissipation efficiency is improved.

Preferably, the heat sink 112 includes a plurality of parallel fins, and the length direction of the fins is perpendicular to the back plate 2.

As shown in fig. 1, the heat sink can be an insert type heat sink made of aluminum alloy, the heat sinks are arranged in parallel, the length direction of the heat sink is perpendicular to the back plate and parallel to the airflow direction sprayed by the turbo fan, so that the airflow can pass through the heat sink conveniently, and the heat dissipation efficiency is improved.

The above is an embodiment of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a high-efficient cooling system of UPS, includes box (1), its characterized in that: the box body (1) comprises a back plate (2), a partition plate (3) is arranged in the box body (1) to divide the box body (1) into an upper layer area (11) and a lower layer area (12), an air inlet (21) is formed in the part, located in the lower layer area (12), of the back plate (2), an air outlet (22) is formed in the part, located in the upper layer area (11), of the back plate (2), and any opening capable of ventilating is not formed in the other side faces of the box body (1) except the back plate (2);

one end, far away from backplate (2), of baffle (3) is provided with vent (4), be provided with drainage tube (5) on vent (4), be provided with air inlet (61) of turbofan (6) on drainage tube (5), turbofan (6) orientation the side of backplate is provided with gas outlet (62).

2. The UPS efficient cooling system of claim 1, wherein: the turbofan (6) further comprises a shell (63), the air inlet (61) is formed in the bottom of the shell (63), a motor (64) is arranged on the inner wall of the top of the shell (63), the motor (64) is connected with a rotating shaft, and the rotating shaft is connected with an impeller (65).

3. The UPS efficient cooling system of claim 1, wherein: the air inlet (21) and the air outlet (22) are both of a net structure consisting of a plurality of rhombic, circular, square or irregular through holes.

4. The UPS efficient cooling system of claim 1, wherein: the lower layer area (12) of the box body (1) is also provided with a transformer (121) and an inductor (122); upper layer region (11) of box (1) still are provided with PCBA circuit board (111), be provided with radiator (112) on PCBA circuit board (111).

5. The UPS efficient cooling system of claim 4, wherein: the radiator (112) comprises a plurality of radiating fins which are parallel to each other, and the length direction of the radiating fins is perpendicular to the back plate (2).