CN204498542U - The small power supply rack of fan-free - Google Patents

Abstract

The utility model relates to a fanless small power supply cabinet, which comprises a cabinet body formed by a top board, a bottom board and four side boards, a power module is installed in the cabinet body, the power module has an air inlet and an air outlet, and A cooling fan is installed inside. On the cabinet body, there is a cabinet air inlet aligned with the air inlet of the power module. The small power supply cabinet also includes: a shroud, which has a shroud inlet and a deflector A cover outlet, the inlet of the shroud is docked with the air outlet of the power module; and an air outlet duct is connected with the outlet of the shroud, and a cabinet air outlet is formed on the cabinet body. The small power supply cabinet of the utility model uses the fan attached to the power supply module to suck in the outside air to dissipate the working heat of the module, and has low operating noise, which can achieve the purpose of noise reduction and cost saving.

Description

Fanless Small Power Cabinet

technical field

The utility model relates to a power supply cabinet, in particular to a fanless small power supply cabinet.

Background technique

In order to meet the requirements of full coverage of communication signals, the layout density of outdoor communication equipment is getting higher and higher, and some communication equipment and power supply systems are directly arranged in residential areas, which imposes strict requirements on their operating noise. However, the existing outdoor small power supply cabinets use a separate cabinet fan to force the outside cold air to enter and exit the cabinet for overall cooling.

Utility model content

The technical problem to be solved by the utility model is to provide a small power supply cabinet without a fan, which can reduce the noise, in view of the defect that the small power supply cabinet in the prior art uses a separate cabinet fan for overall heat dissipation and high noise.

The technical solution adopted by the utility model to solve the technical problem is: to construct a fanless small power supply cabinet, including a cabinet formed by a top plate, a bottom plate, and four side plates, and a power supply module is installed in the cabinet. The power supply module has an air inlet and an air outlet, and a cooling fan is installed inside. On the cabinet body, there is a cabinet air inlet aligned with the air inlet of the power module. The small power supply cabinet also includes:

a wind deflector, having a wind deflector inlet and a wind deflector outlet, the wind deflector inlet is docked with the air outlet of the power module; and

The air outlet duct is connected to the outlet of the shroud, and forms a cabinet air outlet on the cabinet body.

According to the fanless small power supply cabinet of the present invention, the four side panels are the first, second, third and fourth side panels.

According to the fanless small power supply cabinet of the present invention, the air inlet of the cabinet is arranged on the first side plate, and the power module, the shroud, the air outlet duct, and the air outlet of the cabinet are all arranged on the On the second side plate, the second side plate is adjacent to the first side plate.

According to the fanless small power supply cabinet of the present invention, the air deflector is formed by four air deflectors and the second side plate, and one end of the air deflector is formed to be connected to the second side plate. The inlet of the wind deflector connected to the air outlet of the power module forms the outlet of the wind deflector at the bottom of the wind deflector; It is enclosed, and the top forms an air duct inlet, and the outlet of the shroud is connected with the air duct inlet.

According to the fanless small power supply cabinet of the present invention, the air inlet of the cabinet is arranged on the first side plate, the power module and the shroud are both arranged on the second side plate, and the The second side plate is adjacent to the first side plate; the air outlet duct and the cabinet air outlet are arranged on the third side plate, and the third side plate is parallel to and opposite to the first side plate.

According to the fanless small power supply cabinet of the present invention, the air deflector is formed by four air deflectors and the second side plate, and the air guide is formed at one end of the air deflector. A windshield inlet, and the windshield outlet is formed at the opposite end of the windshield.

According to the fanless small power supply cabinet of the present invention, the air outlet duct is formed by five air duct panels and the third side panel, and the five air duct panels are the first to the third side panels. The fifth air channel plate, wherein one end of the first to fourth air channel plates is connected to the third side plate, and the other end of the first to fourth air channel plate is connected to the fifth air channel plate; The air channel plate is parallel to the third side plate, and an air channel inlet is formed on the fifth air channel plate, and the air channel inlet is connected to the outlet of the shroud.

According to the fanless small power supply cabinet of the present invention, a sealing rubber strip is arranged around the inlet of the air duct.

According to the fanless small power supply cabinet of the present invention, the cabinet body is provided with a protruding air inlet duct, and an air inlet waterproof baffle and an air filter are arranged in the air inlet duct.

According to the fanless small power supply cabinet of the present invention, an air outlet waterproof baffle is provided on both sides of the inside of the air outlet duct, close to the air outlet of the cabinet.

Implementing the fanless small power supply cabinet with heat exchange system of the present utility model has the following beneficial effects: Compared with the prior art, the small power supply cabinet of the present utility model uses the fan attached to the power supply module to suck in the outside air so that Dissipate the working heat of the module. In this way, there is no need to install additional cabinet fans in the small power cabinet to dissipate heat from the whole cabinet. At the same time, because the fan that comes with the power module is installed inside the power module, its own running noise is low, and the noise emitted outside after being isolated by the small power cabinet is lower, which can achieve the purpose of noise reduction and cost saving, and can meet the noise requirements of residential areas. Require.

Description of drawings

The utility model will be further described below in conjunction with accompanying drawing and embodiment, in the accompanying drawing:

Fig. 1 is a schematic diagram of the external structure of a small power supply cabinet according to the first embodiment of the present invention;

Fig. 2 is a schematic diagram of the internal structure of the small power supply cabinet according to the first embodiment of the present invention;

Fig. 3 is a schematic diagram of the internal structure of the small power supply cabinet according to the second embodiment of the present invention;

Fig. 4 is a cross-sectional view of a small power cabinet according to a second embodiment of the present invention.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

FIG. 1 is a schematic diagram of the external structure of a small power supply cabinet 100 according to the first embodiment of the present invention; FIG. 2 is a schematic diagram of the internal structure of the small power supply cabinet 100 according to the first embodiment of the present invention. As shown in FIG. 1 , the small power supply cabinet 100 of the present invention is in the shape of a cube, including a cabinet body formed by a top plate 101 , a bottom plate, and four side plates, wherein the four side plates are the first to fourth side plates. On the first side plate 102 , there is a cabinet air inlet 103 , and on the second side plate 104 there is a cabinet air outlet 105 . In the illustrated first embodiment, the first side panel 102 is the left side panel of the small power supply cabinet 100 and the second side panel 104 is the front door of the small power supply cabinet 100 . But the utility model is not limited thereto.

As shown in FIG. 2 , a power module 106 is installed inside the cabinet of the small power supply cabinet 100 . In the illustrated embodiment, the power module 106 is horizontally disposed on the second side panel 104 adjacent to the first side panel 102 . The power supply module 106 has an air inlet 106a and an air outlet 106b, and a cooling fan is installed inside for sucking air from the air inlet 106a and sending air out from the air outlet 106b. When the second side panel 104 is closed, the air inlet 106a of the power module 106 is aligned with the air inlet 103 of the cabinet.

A wind deflector 107 is disposed at the air outlet 106 b of the power module 106 . An air outlet duct 108 is also arranged on the second side plate 104 , and the air outlet duct 108 has the above-mentioned cabinet air outlet 105 . The air guide cover 107 can be fixed on the second side plate 104 , and has an air guide cover inlet connected to the air outlet 106 b of the power module 106 , and an air guide cover outlet connected to the air outlet duct 108 .

Specifically, the air deflector 107 may be formed by four air deflectors 107 a and the second side plate 104 of the cabinet 100 . An inlet of the air guide 107 is formed at one end of the air guide 107 to be connected with the air outlet 106 b of the power module 106 . The air outlet duct 108 is also enclosed by four air duct panels 108 a and the second side panel 104 of the cabinet 100 , and the top opening forms an air duct inlet. The deflector 107a opening at the bottom of the deflector 107 forms a deflector outlet, and the deflector outlet is docked with the air duct inlet of the air outlet duct 108, thereby forming an air flow from the deflector 107 to the outlet air duct 108. aisle.

When the small power supply cabinet 100 is in operation, the cooling fan in the power supply module 106 starts to operate, and the air is sucked from the air inlet 103 of the cabinet, and enters the inside of the power module 106 through the air inlet 106a of the power module 106, and then flows through the air outlet of the power module 106. 106b flows out, enters the air deflector 107, then flows to the air outlet duct 108, and flows out from the air outlet 105 of the cabinet.

FIG. 3 is a schematic diagram of the internal structure of the small power cabinet 100 according to the second embodiment of the present invention; FIG. 4 is a cross-sectional view of the small power cabinet 100 according to the second embodiment of the present invention. As shown in Figure 3 and Figure 4, the small power supply cabinet 100 of the present utility model is in the shape of a cube, including a cabinet body formed by a top plate 101, a bottom plate, and four side plates, wherein the four side plates are the first to fourth side plates . A cabinet air inlet 103 is provided on the first side board 102 , and a cabinet air outlet 105 is provided on the third side board 109 parallel to the first side board 102 . In the illustrated first embodiment, the first side panel 102 is the left side panel of the small power supply cabinet 100 and the third side panel 109 is the right side panel of the small power supply cabinet 100 . But the utility model is not limited thereto.

Inside the cabinet of the small power supply cabinet 100, a power module 106 is installed. In the illustrated embodiment, the power module 106 is disposed on the second side panel 104 . The power supply module 106 has an air inlet 106a and an air outlet 106b, and a cooling fan is installed inside for sucking air from the air inlet 106a and sending air out from the air outlet 106b. When the second side panel 104 is closed, the air inlet 106a of the power module 106 is aligned with the air inlet 103 of the cabinet.

A wind deflector 107 is disposed at the air outlet 106 b of the power module 106 . An air outlet duct 108 is also arranged on the third side plate 104 , and the air outlet duct 108 has the above-mentioned cabinet air outlet 105 . The air guide cover 107 can be fixed on the second side plate 104 , and has an air guide cover inlet connected to the air outlet 106 b of the power module 106 , and an air guide cover outlet connected to the air outlet duct 108 .

Specifically, the air deflector 107 may be formed by four air deflectors 107 a and the second side plate 104 of the cabinet 100 . An inlet of the air guide 107 is formed at one end of the air guide 107 to be connected with the air outlet 106 b of the power module 106 , and an outlet of the air guide 107 is formed at the opposite end of the air guide 107 .

The air outlet duct 108 is enclosed by five air duct plates 108a and the third side plate 109 of the cabinet 100, wherein one end of the first to fourth air duct plates 108a is connected to the third side plate 109, the first The other end to the fourth air channel plate 108a is connected to the fifth air channel plate 108a. The fifth air channel plate 108a may be parallel to the third side plate 109 . An air duct inlet 110 is formed on the fifth air duct plate 108 a , and the cabinet air outlet 105 is disposed on the third side plate 109 . When the second side plate 104 is closed, the outlet of the wind deflector is connected to the inlet 110 of the air duct, so that air can flow from the wind deflector 107 into the air outlet air duct 108 . But the utility model is not limited thereto, and the air outlet duct 108 can also be formed by four air duct panels 108a, the third side panel 109 of the cabinet 100, and the top panel 101 of the cabinet 100, and is parallel to the third side. An air channel inlet 110 is formed on the air channel plate 108 a of the plate 109 . Since it is common knowledge of those skilled in the art to form an air duct by enclosing several flat plates, it will not be repeated here.

In order to enhance the sealing effect between the wind deflector 107 and the air outlet duct 108 , a sealing rubber strip 111 is provided around the inlet 110 of the air duct.

In the second embodiment, the cabinet air inlet 103 can be directly provided on the first side plate 102 as in the first embodiment, or as shown in FIG. 4 , on the basis of the first embodiment, the first side plate A protruding air inlet duct 112 is provided on the outside of 102 , and the air inlet duct 112 has an inlet 116 . In order to avoid the impact of humid air and dust on the small power supply cabinet 100, in the embodiment shown in FIG. . On both sides inside the air outlet duct 108 , close to the air outlet 105 of the cabinet, there are air outlet waterproof baffles 114 to meet the requirements of structural protection.

When the small power supply cabinet 100 is in operation, the heat dissipation fan in the power module 106 starts to operate, sucks air from the inlet 116 of the air inlet duct 112, enters the cabinet 100 through the air inlet 103 of the cabinet, and then passes through the air inlet 106a of the power module 106 It enters the inside of the power module 106 , flows out from the air outlet 106 b of the power module 106 , enters the shroud 107 , then flows to the air outlet duct 108 , and flows out from the air outlet 105 of the cabinet.

Compared with the prior art, the small power supply cabinet 100 of the present invention utilizes the fan attached to the power supply module 106 to suck in the outside air so as to dissipate the working heat of the module. In this way, there is no need to install additional cabinet fans in the small power supply cabinet 100 to dissipate heat from the whole cabinet. At the same time, since the built-in fan of the power module 106 is installed inside the power module 106, its own running noise is low, and the noise emitted outside after being isolated by the small power cabinet 100 is lower, which can achieve the purpose of noise reduction and cost saving, and can meet the needs of residents. area noise requirements.

Since the air inlet 106a of the power module 106 is aligned with the air inlet 103 of the cabinet, and the power module 106 is in communication with the shroud 107 and the air outlet duct 108, the hot air discharged from the power module 106 can only flow along the air outlet. The channel 108 is sent out of the small power supply cabinet 100, but cannot return to the small power supply cabinet 100, so as to avoid the backflow of hot air. The small power supply cabinet 100 has side air intake, front door air outlet, or side inlet and side outlet. The overall structure is compact, and the size of the cabinet is small, which can meet the requirements for pole-mounted installation.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (10)

1. A fanless small power supply cabinet, comprising a top plate, a bottom plate, and a cabinet formed by four side plates, a power module is installed in the cabinet, the power module has an air inlet and an air outlet, and is installed inside There is a cooling fan, and it is characterized in that, on the cabinet body, there is a cabinet air inlet aligned with the air inlet of the power module, and the small power cabinet also includes: a wind deflector, having a wind deflector inlet and a wind deflector outlet, the wind deflector inlet is docked with the air outlet of the power module; and The air outlet duct is connected to the outlet of the shroud, and forms a cabinet air outlet on the cabinet body. 2 . The fanless small power supply cabinet according to claim 1 , wherein the four side panels are the first, second, third, and fourth side panels. 3. The fanless small power supply cabinet according to claim 2, wherein the air inlet of the cabinet is arranged on the first side plate, and the power supply module, shroud, air outlet duct, and The cabinet air outlets are all arranged on the second side plate, and the second side plate is adjacent to the first side plate. 4. The fanless small power supply cabinet according to claim 3, wherein the air deflector is formed by four air deflectors and the second side plate, and the air deflector One end of the windshield forms the inlet of the windshield docked with the air outlet of the power module, and the outlet of the windshield is formed at the bottom of the windshield; the air outlet duct is composed of four air duct plates and the The second side panels are jointly enclosed, and the top forms an air duct inlet, and the outlet of the shroud is connected to the air duct inlet. 5. The fanless small power supply cabinet according to claim 2, wherein the air inlet of the cabinet is arranged on the first side panel, and the power module and the shroud are both arranged on the second side panel. On the side plate, the second side plate is adjacent to the first side plate; the air outlet duct and the cabinet air outlet are arranged on the third side plate, and the third side plate is adjacent to the first side plate. The side panels are parallel to each other. 6. The fanless small power supply cabinet according to claim 5, wherein the air deflector is formed by four air deflectors and the second side plate, and the air deflector One end of the windshield forms the inlet of the windshield, and the outlet of the windshield is formed at the opposite end of the windshield. 7. The fanless small power supply cabinet according to claim 6, wherein the air outlet duct is formed by five air duct panels and the third side panel, and the five air duct panels The channel plates are the first to fifth air channel plates, wherein one end of the first to fourth air channel plates is connected to the third side plate, and the other ends of the first to fourth air channel plates are connected to the fifth air channel plate Connection; the fifth air channel plate is parallel to the third side plate, and an air channel inlet is formed on the fifth air channel plate, and the air channel inlet is connected to the outlet of the shroud. 8 . The fanless small power supply cabinet according to claim 7 , wherein a sealing strip is provided around the inlet of the air duct. 9. The fanless small power supply cabinet according to claim 1, characterized in that, the cabinet body is provided with a protruding air inlet duct, and an air inlet waterproof baffle is arranged in the air inlet duct and air filter. 10 . The fanless small power supply cabinet according to claim 1 , wherein, on both sides inside the air outlet duct, near the air outlet of the cabinet, there are air outlet waterproof baffles. 11 .