CN212259679U

CN212259679U - Lower-inlet and upper-outlet type heat dissipation device of 5G special BBU installation cabinet

Info

Publication number: CN212259679U
Application number: CN202021372783.3U
Authority: CN
Inventors: 侯淼予; 闫继东; 侯路海; 张极玲
Original assignee: Henan Dalin Rubber And Telecommunications Apparatus Co ltd
Current assignee: Henan Dalin Rubber And Telecommunications Apparatus Co ltd
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2020-12-29
Anticipated expiration: 2030-07-14

Abstract

The utility model provides a special BBU of 5G installs lower of cabinet and advances formula heat abstractor of going up, includes the box, is equipped with heat abstractor in the box, and heat abstractor includes air ducting, BBU mount, goes up air ducting and exhaust apparatus down, and the BBU mount setting includes the BBU mounting panel, has seted up five BBU assembly through-holes on the BBU mounting panel. The lower part of box front end is equipped with into the wind gap, and lower air ducting sets up in wind gap department, and lower air ducting includes lower mounting panel and the last mounting panel that the level set up, and lower mounting panel is connected with the left side of the inside bottom of box, goes up the mounting panel and is connected with the right side of BBU mounting panel, goes up the mounting panel and is equipped with wind-guiding portion down between the mounting panel. The upper air guiding device comprises an air guiding plate fixing frame, and an upper air guiding plate which is obliquely and upwards arranged is arranged on the inner side of the air guiding plate fixing frame; the box rear side top has seted up the air outlet, and exhaust apparatus sets up in air outlet department. The utility model discloses simple structure can dispel the heat, convenient to use to the BBU effectively.

Description

Lower-inlet and upper-outlet type heat dissipation device of 5G special BBU installation cabinet

Technical Field

The utility model belongs to the technical field of communication equipment, especially, relate to a lower formula heat abstractor that goes up that advances of special BBU of 5G installation cabinet.

Background

In recent years, the fifth generation mobile communication system 5G has become a hot spot of discussion in the communication industry and academia. There are two major driving forces for the development of 5G. On one hand, the fourth generation mobile communication system 4G represented by the long term evolution technology is completely commercialized, and the discussion of the next generation technology is scheduled; on the other hand, the demand for mobile data is explosively increased, and the prior mobile communication system is difficult to meet the future demand, so that the development of a new generation 5G system is urgently needed.

From the 3G era, the BBU equipment of mainstream manufacturers such as Huashi and Zhongxing is designed based on the current power density (low), the installation and maintenance requirements are fully considered, and a side-in and side-out ventilation mode is adopted. The power consumption of the 5GBBU equipment is greatly increased from 150W-300W at 4G to 500W-1200W at 5G, and the airflow design process of the equipment is not improved. When BBU equipment is centrally deployed, the power of a single cabinet can reach 3-5 kW, even higher; this brings new problems in terms of power capacity and cooling capacity of the air conditioner; especially, in the latter case, the requirements cannot be met by the common base station, the access computer room and the existing cabinet. The existing network installation condition, because the interval between rack curb plate and the BBU is on the small side, causes the left and right sides air inlet and the air-out amount of wind not enough, can't form effectual air current tissue, leads to the steam backward flow (short circuit), seriously influences the radiating efficiency. Through the test of a plurality of machine rooms, the air inlet temperature of BBU equipment exceeds 45 ℃; the air quantity at the two sides is obviously insufficient.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the not good problem of BBU installation cabinet heat-burning effect, provide a lower of special BBU installation cabinet of 5G go into go up out formula heat abstractor, be equipped with the open-ended box including the front end, be equipped with heat abstractor in the box, heat abstractor includes that the interior from the bottom up of box sets gradually lower air ducting, BBU mount, goes up air ducting and exhaust apparatus. The BBU mount sets up in the lower part of box, and the BBU mount includes the BBU mounting panel, sets up five BBU assembly through-holes that even interval set up on the BBU mounting panel side by side, and BBU assembly through-hole department all is equipped with the panel of keeping out the wind, and the panel mounting hole has all been seted up at the both ends of the panel of keeping out the wind, is fixed with the panel fixing stud with the panel one-to-one that keeps out the wind on the BBU mounting panel, and the panel of keeping out the wind can be dismantled. When the BBU equipment is installed, the wind shielding panel is detached, the lower end of the BBU equipment is vertically assembled at the BBU assembling through hole, and cold air enters the BBU equipment from the lower end of the BBU assembling through hole to dissipate heat of the BBU equipment. The lower part of box front end is equipped with into the wind gap, lower air ducting sets up in wind gap department, lower air ducting includes lower mounting panel and the last mounting panel that the level set up, go up all set up the bar mounting hole that has the installation of air ducting down on mounting panel and the lower mounting panel, the bottom of the inside bottom of box and BBU mounting panel all is fixed with the positioning screw bolt with air ducting one-to-one down, fixed connection can be dismantled in the left side of lower mounting panel and the inside bottom of box, fixed connection can be dismantled with the right side bottom of BBU mounting panel to the last mounting panel, it is curved wind-guiding portion to be equipped with between mounting panel and the lower mounting panel, the setting of bar mounting hole can be to the lower wind-shielding device regulation of. The upper air guiding device comprises an air guiding plate fixing frame fixed on the upper part of the front end of the box body, and an upper air guiding plate which is obliquely and upwards arranged is arranged on the inner side of the air guiding plate fixing frame. The box rear side top has seted up the air outlet, and exhaust apparatus sets up in air outlet department. The exhaust device comprises an electric fan front fixing plate and an electric fan rear fixing plate, the electric fan front fixing plate comprises an L-shaped supporting portion, three air holes are formed in the upper end of the supporting portion at even intervals, the electric fan rear fixing plate is provided with the air holes in one-to-one correspondence with the electric fan front fixing plate, the lower end of the supporting portion is fixedly provided with a vertically arranged fixing portion, the fixing portion is fixed to the upper end of the rear inner side of the box body, three exhaust electric fans are arranged between the supporting portion and the electric fan rear fixing plate, the exhaust electric fans are arranged in one-to-one correspondence with the air holes.

Preferably, an electric fan switch and a temperature sensor are arranged on the electric fan rear fixing plate, a sensing end of the temperature sensor extends into the air outlet, the electric fan switch controls the on-off of the exhaust electric fan power supply, the temperature sensor can acquire the air temperature in the box body, then the temperature signal is fed back to the PLC, and then the PLC controls the rotating speed of the exhaust electric fan.

Preferably, a lower trunking is fixed at one end of the BBU mounting plate and extends out of the box body; the outer side of the air deflector fixing frame is provided with the wire feeding groove, and the wire feeding groove and the wire discharging groove are convenient for wire arrangement, so that the incoming and outgoing signal wires and the conducting wires are more orderly and standard.

Preferably, a touch display screen is arranged on the outer side of the air deflector fixing frame, temperature readings and the rotating speed of the exhaust fan are displayed on the touch display screen, a proper range can be set for the temperature in the box body through the touch display screen, and then the rotating speed of the exhaust fan is controlled through the PLC.

Preferably, the exhaust fan, the temperature sensor and the touch display screen are all communicated with the power supply; the exhaust fan, the temperature sensor and the touch display screen are all connected with the PLC.

Preferably, the exhaust fan, the temperature sensor and the touch display screen are all commercially available products.

The scheme has the following advantages:

the lower air guide device changes cold air entering the box body into upward flow, so that BBU equipment in the box body can be better cooled; the BBU equipment is vertically arranged in the BBU assembly through hole, and can better exchange heat with cold air in the BBU equipment, so that the BBU equipment can be better cooled; the exhaust device is arranged to exhaust the hot air in the tank after heat exchange with the BBU equipment out of the tank.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic perspective view of the present invention;

fig. 3 is a schematic sectional structure of the present invention;

fig. 4 is a schematic structural view of the lower air guiding device of the present invention;

FIG. 5 is a schematic structural view of the BBU fixing frame of the present invention;

fig. 6 is a schematic structural view of the exhaust device of the present invention;

FIG. 7 is an exploded view of the exhaust apparatus of the present invention;

fig. 8 is a schematic structural view of the wind shielding panel of the present invention;

fig. 9 is a schematic structural view of the upper air guiding device of the present invention.

Reference numerals: 1. a box body; 2. a heat sink; 3. a lower air guide device; 4. a BBU fixing frame; 5. an upper air guide device; 6. an exhaust device; 7. a touch display screen; 11. an air inlet; 12. positioning the stud; 13. an air outlet; 31. a lower mounting plate; 32. an upper mounting plate; 33. a wind guide part; 34. a strip-shaped mounting hole; 41. a BBU mounting plate; 42. BBU assembling through holes; 43. a wind shielding panel; 44. a panel mounting hole; 45. a panel fixing column; 46. a wire discharging groove is formed; 51. the air deflector fixing frame; 52. an upper air deflector; 53. a wire feeding groove is formed; 61. a front fixed plate of the electric fan; 62. a rear fixed plate of the electric fan; 63. an exhaust fan; 64. a support portion; 65. a fixed part; 66. air holes; 67. a switch of the electric fan; 68. a temperature sensor.

Detailed Description

As shown in fig. 1 to 9, a lower-inlet and upper-outlet type heat dissipation device of a 5G special BBU installation cabinet includes a box body 1 with an opening at the front end, a heat dissipation device 2 is arranged in the box body 1, and the heat dissipation device 2 includes a lower air guiding device 3, a BBU fixing frame 4, an upper air guiding device 5 and an exhaust device 6 which are sequentially arranged in the box body from bottom to top. The BBU fixing frame 4 is arranged at the lower part of the box body 1, the BBU fixing frame 4 comprises a BBU mounting plate 41, five BBU assembling through holes 42 which are uniformly arranged at intervals are arranged on the BBU mounting plate 41 in parallel, a wind shielding panel 43 is arranged at the BBU assembling through holes 42, panel mounting holes 44 are arranged at two ends of the wind shielding panel 43, panel fixing studs 45 which correspond to the wind shielding panels 43 in a one-to-one mode are fixed on the BBU mounting plate 41, and the wind shielding panels 43 can be detachably fixed on the BBU mounting plate 41. When the BBU equipment is installed, the wind shielding panel 43 is detached, the lower end of the BBU equipment is vertically assembled at the BBU assembling through hole 42, and cold air enters the BBU equipment from the lower end of the BBU assembling through hole 42 to dissipate heat of the BBU equipment. The front end lower part of box 1 is equipped with into wind gap 11, lower air ducting 3 sets up in income wind gap 1 department, lower air ducting 3 includes lower mounting panel 31 and the last mounting panel 32 that the level set up, it has the bar mounting hole 34 of installing air ducting 3 down all to set up on mounting panel 32 and the lower mounting panel 31 to go up, the bottom of the inside bottom of box 1 and BBU mounting panel 41 all is fixed with the positioning stud 12 with air ducting 3 one-to-one down, fixed connection can be dismantled in the left side of lower mounting panel 31 and the inside bottom of box 1, fixed connection can be dismantled with the right side bottom of BBU mounting panel 41 to go up mounting panel 32, be equipped with between mounting panel 31 and the lower mounting panel and be curved wind-guiding portion 33, the setting of bar mounting hole 34 can carry out the regulation of left and right positions to lower air ducting 3, be favorable. The upper air guiding device 5 comprises an air guiding plate fixing frame 51 fixed at the upper part of the front end of the box body 1, and an upper air guiding plate 52 which is obliquely and upwards arranged is arranged at the inner side of the air guiding plate fixing frame 51. An air outlet 13 is formed in the top end of the rear side of the box body 1, and the exhaust device 6 is arranged at the air outlet 13. The exhaust device 6 comprises a front fan fixing plate 61 and a rear fan fixing plate 62, the front fan fixing plate 61 comprises an L-shaped supporting portion 64, three air holes 66 are formed in the upper end of the supporting portion 64 and evenly spaced, the rear fan fixing plate 62 is provided with air holes 66 corresponding to the front fan fixing plate 61 one to one, the lower end of the supporting portion 64 is fixedly provided with a vertically arranged fixing portion 65, the fixing portion 65 is fixed to the upper end of the rear inner side of the box body 1, three exhaust fans 63 are arranged between the supporting portion 65 and the rear fan fixing plate 62, the exhaust fans 63 are arranged corresponding to the air holes 66 one to one, and the exhaust fans 63 can exhaust air in the box body 1 to the outside of the box body.

Preferably, the fan switch 67 and the temperature sensor 68 are arranged on the fan rear fixing plate 62, the sensing end of the temperature sensor 68 extends into the air outlet 13, the fan switch 67 controls the on-off of the power supply of the exhaust fan 63, the temperature sensor 68 can acquire the air temperature in the box body 1, and then the temperature signal is fed back to the PLC controller, and then the PLC controller controls the rotating speed of the exhaust fan 63.

Preferably, a lower slot 46 is fixed to one end of the BBU mounting plate 41, and the lower slot 46 extends out of the case 1; the outer side of the air deflector fixing frame 51 is provided with an upper wire groove 53, and the upper wire groove 53 and the lower wire groove 46 are convenient for wire arrangement, so that the in-out signal wires and the conducting wires are more orderly and standard.

Preferably, the touch display screen 7 is arranged on the outer side of the air deflector fixing frame 51, the temperature readings and the rotating speed of the exhaust fan 63 are displayed on the touch display screen 7, an appropriate range can be set for the temperature in the box body 1 through the touch display screen 7, and then the rotating speed of the exhaust fan 63 is controlled through the PLC.

Preferably, the exhaust fan 63, the temperature sensor 68 and the touch display screen 7 are all in communication with a power source; the exhaust fan 63, the temperature sensor 68 and the touch display screen 7 are all connected to the PLC controller.

Preferably, the exhaust fan 63, the temperature sensor 68 and the touch display 7 are all commercially available products.

The use process comprises the following steps:

the utility model discloses during the use, the panel of keeping out the wind of BBU assembly through-hole 42 department is dismantled as required, then will treat the vertical correspondence of BBU equipment of installation and install in BBU assembly through-hole 42 department. After the BBU equipment is installed, the BBU equipment can generate large heat when in use, and the BBU equipment needs to be subjected to heat dissipation treatment at the moment. Firstly, the touch display screen 7 and the exhaust fan 63 are started, and the temperature range of the on-off of the exhaust fan 63 is set on the touch display screen 7, such as: when the temperature is more than or equal to 40 ℃, the exhaust electric fan 63 is started, and when the temperature is less than or equal to 35 ℃, the exhaust electric fan 63 is automatically closed, so that the energy can be effectively saved. Under the action of the exhaust fan 63, outside cold air enters the box body 1 from the air inlet 11, and the cold air flows upwards under the guiding action of the lower air guide device 3. The cold air passes through the BBU equipment from the BBU assembly through hole 42 to exchange heat with electric components in the BBU equipment, so as to take away heat generated by the electric components, and then the hot air is discharged out of the box body 1 from the air outlet 13 under the action of the exhaust electric fan 63 under the guiding action of the upper air deflector 52.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", "horizontal", "vertical", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.

Claims

1. A lower-inlet upper-outlet type heat dissipation device of a 5G special BBU installation cabinet comprises a box body with an opening at the front end, and a heat dissipation device is arranged in the box body, and is characterized in that the heat dissipation device comprises a lower air guide device, a BBU fixing frame, an upper air guide device and an exhaust device which are sequentially arranged in the box body from bottom to top, the BBU fixing frame is arranged at the lower part of the box body and comprises a BBU installation plate, and five BBU assembly through holes which are uniformly arranged at intervals are arranged on the BBU installation plate in parallel; the lower part of the front end of the box body is provided with an air inlet, the lower air guide device is arranged at the air inlet and comprises a lower mounting plate and an upper mounting plate which are horizontally arranged, the lower mounting plate is detachably and fixedly connected with the left side of the bottom end in the box body, the upper mounting plate is detachably and fixedly connected with the right side bottom end of the BBU mounting plate, and an arc-shaped air guide part is arranged between the upper mounting plate and the lower mounting plate; the upper air guiding device comprises an air guiding plate fixing frame fixed on the upper part of the front end of the box body, and an upper air guiding plate which is obliquely and upwards arranged is arranged on the inner side of the air guiding plate fixing frame; the box rear side top has seted up the air outlet, and exhaust apparatus sets up in air outlet department.

2. The bottom-in and top-out heat dissipation device of a 5G special BBU mounting cabinet, according to claim 1, wherein: the exhaust device comprises an electric fan front fixing plate and an electric fan rear fixing plate, the electric fan front fixing plate comprises an L-shaped supporting portion, three air holes are formed in the upper end of the supporting portion at even intervals, the electric fan rear fixing plate is provided with the air holes in one-to-one correspondence with the electric fan front fixing plate, the lower end of the supporting portion is fixedly provided with a vertically arranged fixing portion, the fixing portion is fixed to the upper end of the inner side wall of the rear portion of the box body, three exhaust electric fans are arranged between the supporting portion and the electric fan rear fixing plate, and.

3. The bottom-in and top-out heat dissipation device of a 5G special BBU mounting cabinet, according to claim 2, wherein: the BBU assembly through hole department all is equipped with the panel of keeping out the wind, and the panel mounting hole has all been seted up at the both ends of panel of keeping out the wind, is fixed with the panel fixing stud with the panel one-to-one that keeps out the wind on the BBU mounting panel, and the panel of keeping out the wind can be dismantled and fix on the BBU mounting panel.

4. The bottom-in and top-out heat dissipation device of a 5G special BBU mounting cabinet, according to claim 3, wherein: the upper mounting plate and the lower mounting plate are respectively provided with a strip-shaped mounting hole for mounting the lower air guide device, the bottom end inside the box body and the bottom end of the BBU mounting plate are respectively fixed with positioning studs corresponding to the lower air guide device one by one, and the lower air guide device is detachably fixed on the positioning studs.

5. The bottom-in and top-out heat dissipation device of a 5G special BBU mounting cabinet, according to claim 4, wherein: an electric fan switch and a temperature sensor are arranged on the electric fan rear fixing plate, and the sensing end of the temperature sensor extends into the air outlet.

6. The bottom-in and top-out heat dissipation device of a 5G special BBU mounting cabinet, according to claim 5, wherein: a lower wire groove is fixed at one end of the BBU mounting plate and extends out of the box body; the outer side of the air deflector fixing frame is provided with an upper wire groove.

7. The bottom-in and top-out heat dissipation device of a 5G special BBU mounting cabinet, according to claim 6, wherein: and a touch display screen is arranged on the outer side of the air deflector fixing frame.

8. The bottom-in and top-out heat dissipation device of a 5G special BBU mounting cabinet, according to claim 7, wherein: the exhaust fan, the temperature sensor and the touch display screen are all communicated with a power supply; the exhaust fan, the temperature sensor and the touch display screen are all connected with the PLC.