CN113710077A - Efficient heat dissipation type 5G BBU energy-saving cabinet and intelligent control method - Google Patents
Efficient heat dissipation type 5G BBU energy-saving cabinet and intelligent control method Download PDFInfo
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- CN113710077A CN113710077A CN202111188204.9A CN202111188204A CN113710077A CN 113710077 A CN113710077 A CN 113710077A CN 202111188204 A CN202111188204 A CN 202111188204A CN 113710077 A CN113710077 A CN 113710077A
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 8
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- 238000012546 transfer Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 8
- 230000008520 organization Effects 0.000 abstract description 7
- 238000013021 overheating Methods 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 9
- 238000013461 design Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000004134 energy conservation Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000003749 cleanliness Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
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- 230000009977 dual effect Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
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- 230000009545 invasion Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- HTYIXCKSEQQCJO-UHFFFAOYSA-N phenaglycodol Chemical compound CC(C)(O)C(C)(O)C1=CC=C(Cl)C=C1 HTYIXCKSEQQCJO-UHFFFAOYSA-N 0.000 description 1
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20145—Means for directing air flow, e.g. ducts, deflectors, plenum or guides
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- H—ELECTRICITY
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- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0213—Venting apertures; Constructional details thereof
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20209—Thermal management, e.g. fan control
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Abstract
The invention discloses an efficient heat dissipation type 5G BBU energy-saving cabinet and an intelligent control method. The efficient heat dissipation type 5G BBU energy-saving cabinet is fully improved and strengthened to form an effective airflow organization through the transverse air guide member, the air inlet side longitudinal air guide member and the air outlet side longitudinal air guide member, so that cold airflow can pass through 5G BBU equipment to the maximum extent to dissipate heat of the equipment, the problem of local overheating of the equipment caused by backflow short circuit of hot airflow in the cabinet body is avoided, and the heat dissipation efficiency of the equipment is greatly improved; adopt bilayer structure to form back heat transfer chamber and two side heat transfer chambeies, install the heat transfer core respectively in the heat transfer intracavity, make nature become natural cold source through the heat transfer core, reduce the air conditioner live time every year and can reach 8 months, energy saving and consumption reduction effect is obvious.
Description
Technical Field
The invention belongs to the technical field of communication, and particularly relates to an efficient heat dissipation type 5G BBU energy-saving cabinet and an intelligent control method.
Background
Starting from the adoption of a distributed base station in the 3G era, the process design of BBU equipment of mainstream manufacturers such as Huacheng manufacturers and Zhongxing manufacturers is based on the current power density (low), the requirements of installation and maintenance are fully considered, and an installation mode of 'side-in side-out' is adopted.
With the advent of the 5G era, the power consumption of 5G BBU equipment has increased dramatically, from 150W-300W in the 4G era to 500W-1200W in the 5G era, without any improvement in equipment gas flow design process. When BBU equipment is centrally deployed, the power of a single cabinet can reach 3-5KW or 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. With the increase of air conditioners, corresponding capacity needs to be reserved for the machine room and the cabinet to meet the requirement of air conditioner installation, so that the power cost and the construction cost are increased rapidly, and the development of 5G is severely restricted.
In addition, when the existing network is installed, due to the fact that the distance between the cabinet side plate and the BBU equipment is small, air inlet and air outlet quantities on the left side and the right side are insufficient, effective airflow organization cannot be formed, hot air flows back to form a short circuit, the equipment is locally overheated, and heat dissipation efficiency is seriously affected.
Disclosure of Invention
The invention aims to solve the technical problem of providing a high-efficiency heat dissipation type 5GBBU energy-saving cabinet with ingenious structural design, which changes the airflow organization of the cabinet through a longitudinal air guide assembly and a transverse air guide assembly, makes the cold airflow maximally utilized and solves the problem of local overheating of equipment; the natural cold source is changed through the heat exchange core, the service time of the air conditioner is reduced, and therefore the purposes of energy conservation and consumption reduction are achieved.
In order to solve the technical problems, the technical scheme of the invention is as follows: the efficient heat dissipation type 5G BBU energy-saving cabinet comprises a cabinet body, wherein a cabinet door capable of being opened and closed is arranged on the front side of the cabinet body, a rear heat exchange cavity is arranged on the rear side of the cabinet body, a rear heat exchange core is arranged in the rear heat exchange cavity, a plurality of outer circulation air channels and a plurality of inner circulation air channels are formed in the rear heat exchange core, the outer circulation air channels are isolated from the inner circulation air channels, and an outer circulation fan and an inner circulation fan are arranged in the cabinet body, wherein the outer circulation fan is used for enabling air in the outer circulation air channels to circulate with the external environment, and the inner circulation fan is used for enabling air in the inner circulation air channels to circulate with a heat dissipation space of equipment in the cabinet body;
the front part of the cabinet body is provided with closed structures on two sides except a reserved equipment mounting area, BBU equipment is mounted in the reserved equipment mounting area in a layered mode, the bottom of each layer of BBU equipment is provided with a transverse air guide respectively, the air inlet side of each layer of BBU equipment is provided with an air inlet side longitudinal air guide respectively, and the air outlet side of each layer of BBU equipment is provided with an air outlet side longitudinal air guide respectively; the transverse air guide piece is provided with a transverse air inlet air guide chamber and a transverse air outlet air guide chamber, the air inlet side longitudinal air guide piece is provided with an air inlet side longitudinal air guide chamber, and the air outlet side longitudinal air guide piece is provided with an air outlet side longitudinal air guide chamber;
a bottom cold air cabin, a front cold air cabin and a rear hot air cabin are formed after the BBU equipment is installed on the cabinet body, and the bottom cold air cabin is provided with an internal circulation air return port; under the action of the internal circulation fan, cold air flows sequentially flow through the bottom cold air cabin, the front cold air cabin, the transverse air inlet guide chambers and the longitudinal air inlet side guide chambers and then enter the BBU equipment, hot air flows formed after heat exchange between the cold air flows and the BBU equipment sequentially flow through the longitudinal air outlet side guide chambers and the transverse air outlet guide chambers and then are gathered and enter the rear hot air cabin, hot air flows in the rear hot air cabin enter the internal circulation air duct of the rear heat exchange core for heat exchange, and the hot air flows are changed into cooler air flows and then enter the bottom cold air cabin again from the internal circulation air return opening to sequentially reciprocate internal circulation.
As a preferred technical scheme, the left side and the right side of the cabinet body are respectively provided with a side heat exchange cavity, a side heat exchange core is arranged in the side heat exchange cavity, a plurality of external circulation air channels and a plurality of internal circulation air channels are also formed on the side heat exchange core, and the external circulation air channels are separated from the internal circulation air channels.
As a preferred technical scheme, side heat dissipation cabins are respectively formed between the air inlet side longitudinal air guide member and the side wall of the cabinet body and between the air outlet side longitudinal air guide member and the side wall of the cabinet body; under the action of the internal circulation fan, hot air in the side heat dissipation cabin enters the internal circulation air duct of the side heat exchange core on the corresponding side for heat exchange and sequentially reciprocates for internal circulation.
As a preferred technical scheme, the transverse air guide is a frame-shaped structure matched with the shape of the bottom of the BBU device, and a partition board is arranged on the transverse air guide and divides the transverse air guide into a transverse air inlet guide chamber and a transverse air outlet guide chamber along opposite angles.
As a preferred technical scheme, a cold air inlet is arranged at the front end of the transverse air inlet guide chamber, a cold air outlet is arranged at the side part of the transverse air inlet guide chamber, and the air inlet side longitudinal air guide chamber is connected with the cold air inlet of the transverse air inlet guide chamber and the air inlet side of the BBU device; the front cold air cabin is communicated with cold air inlets of the transverse air inlet guide chambers.
As a preferred technical scheme, a hot air inlet is arranged at the side part of the transverse air outlet guide chamber, a hot air outlet is arranged at the rear end of the transverse air outlet guide chamber, and the air outlet side longitudinal air guide chamber is connected with the air outlet side of the BBU device and the hot air inlet of the transverse air outlet guide chamber; the rear hot air cabin is communicated with hot air outlets of the transverse air outlet guide chambers.
As a preferable technical solution, the air inlet side longitudinal air guide member includes an air inlet side closed cover body adapted to the shape of the side portion of the BBU device, and the air inlet side closed cover body has an air inlet side heat dissipation portion at least a part of which protrudes outward.
As a preferable technical solution, the air-out-side longitudinal air guide comprises an air-out-side closed cover body matched with the shape of the side part of the BBU device, and the air-out-side closed cover body has an air-out-side heat dissipation part with at least one part protruding outwards.
As a preferred technical scheme, a temperature control module is installed in the cabinet body.
The invention also provides an intelligent control method of the high-efficiency heat dissipation type 5G BBU energy-saving cabinet, which comprises the following steps:
s1, internal circulation control:
when the temperature of the inner side of the cabinet body is lower than a first set temperature, the internal circulation fan runs at a low speed at a first set rotating speed; when the temperature of the inner side of the cabinet body is increased from the first set temperature to the second set temperature, the rotating speed of the internal circulation fan is increased to the second set rotating speed; when the temperature of the inner side of the cabinet body reaches a third set temperature, the internal circulation fan continuously operates at a third set rotating speed; when the temperature of the internal circulation air return inlet reaches a fourth set temperature, the internal circulation fan continuously operates at a fourth set rotating speed;
s2, outer loop control:
when the temperature of the inner side of the cabinet body rises to a fifth set temperature, the external circulation fan operates at a fifth set rotating speed so as to obtain cold air from the outside; when the temperature of the inner side of the cabinet body rises from the fifth set temperature to the sixth set temperature, the rotating speed of the external circulation fan linearly rises to the sixth set rotating speed; when the temperature of the inner side of the cabinet body reaches a seventh set temperature, the external circulation fan continuously operates at a seventh set rotating speed; and when the temperature of the inner side of the cabinet body is reduced to be lower than the eighth set temperature, the external circulation fan stops rotating.
Due to the adoption of the technical scheme, the invention has at least the following beneficial effects:
(1) the transverse air guide piece, the air inlet side longitudinal air guide piece and the air outlet side longitudinal air guide piece are fully improved and strengthened to form effective airflow organization, so that cold airflow can pass through 5G BBU equipment to the maximum extent to dissipate heat of the equipment, the problem of local overheating of the equipment caused by backflow short circuit of hot airflow in the cabinet body is avoided, and the heat dissipation efficiency of the equipment is greatly improved.
(2) The cabinet body adopts bilayer structure to form back heat transfer chamber and two side heat transfer chambers, installs the heat transfer core respectively in the heat transfer intracavity, and the heat transfer core is formed with a plurality of extrinsic cycle wind channels and a plurality of inner loop wind channels, extrinsic cycle wind channel and inner loop wind channel are strictly kept apart, on the one hand, have guaranteed the cleanliness factor of equipment in the rack to the environment, effectively prevent that basic station equipment from receiving the invasion of external dust and moisture to extension equipment life. On the other hand, through setting up the heat transfer core, when the cabinet is internal, the outside difference in temperature is great and satisfy operating temperature, control system will start circulating fan, makes inside and outside both sides gas carry out heat exchange in the heat transfer core to reduce the internal temperature of cabinet. From the perspective of the outer side of the cabinet body, cold air outside the cabinet body enters the heat exchange core from the outer circulation air inlet under the action of the outer circulation fan, then exchanges heat through the heat exchange core to become hotter outdoor air, and is discharged out of the cabinet body from the outer circulation air outlet; from the view of the inner side of the cabinet body, hot air in the cabinet body enters the heat exchange core from the inner circulation air inlet under the action of the inner circulation fan, then is subjected to heat exchange through the heat exchange core to become cooler air, and then returns to the base station from the inner circulation air outlet; therefore, the natural cold source is changed into natural cold source through the heat exchange core, the service time of the air conditioner can be reduced by 8 months every year, and the effects of energy conservation and consumption reduction are obvious.
(3) The transverse air guide component is divided into a transverse air inlet air guide chamber and a transverse air outlet air guide chamber by a partition plate, the transverse air inlet air guide chamber of the transverse air guide component guides cold air flow at the front part of the cabinet (a front cold air cabin) into an air inlet side longitudinal air guide component on the side surface of the cabinet, an air inlet side longitudinal air guide component is connected with an air inlet side of BBU equipment, cold air enters the BBU equipment to be cooled and then is changed into hot air, the hot air is discharged into an air outlet side longitudinal air guide component, the air outlet side longitudinal air guide component guides hot air flow into the rear part of the cabinet (a rear hot air cabin) through the transverse air outlet air guide chamber of the transverse air guide component, and the hot air is sucked by a fan and exchanges heat with the rear heat exchange core; the air inlet side longitudinal air guide piece and the side wall of the cabinet body as well as the air outlet side longitudinal air guide piece and the side wall of the cabinet body are respectively provided with a side heat dissipation cabin, and under the action of an internal circulation fan, hot air in the side heat dissipation cabin enters the side heat exchange core of the corresponding side for heat exchange and internal circulation in sequence. Therefore, the air guide assembly changes the air flow organization of the cabinet and realizes the exchange of internal and external heat in cooperation with the heat exchange core, and the heat dissipation effect of the equipment is greatly improved. Meanwhile, the air guide assembly adopts a module design and is highly matched with BBU equipment, the mounting position or expansion in the cabinet can be flexibly adjusted, the structure is simple, the installation is convenient, and the air guide assembly is suitable for popularization and application.
(4) Two sides of a front column of the cabinet are of a closed structure, and only equipment installation areas are reserved; the bottom of the cabinet is provided with a cold air flow cabin (bottom cold air cabin), all cold air flows can only enter through equipment on the front side of the cabinet, the cold environment of only cold equipment is realized, and a natural cold source is utilized to the maximum extent.
(5) The temperature control module is matched with the internal and external circulating fans to realize logic control of internal circulation and external circulation, the running speed and the starting and stopping conditions of the internal and external circulating fans can be flexibly adjusted according to external environment and various working conditions, and remote intelligent control is realized.
Drawings
The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein:
FIG. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a schematic diagram of a front view of an embodiment of the present invention;
FIG. 3 is a schematic sectional view taken along the line A-A in FIG. 2;
FIG. 4 is a schematic cross-sectional view taken along line B-B of FIG. 2;
FIG. 5 is a schematic partial structure diagram of an embodiment of the present invention;
FIG. 6 is a schematic structural view of a rear heat exchange core in an embodiment of the present invention;
FIG. 7 is a schematic view illustrating the flow pattern of the air inside the cabinet and the two side heat exchange cores in the embodiment of the present invention;
FIG. 8 is a schematic view of the air flow pattern inside the cabinet and the rear heat exchange core in an embodiment of the present invention;
fig. 9 is a schematic structural diagram of an air guiding assembly according to an embodiment of the present invention;
fig. 10 is an air intake schematic view of an air guide assembly according to an embodiment of the present invention;
fig. 11 is an air outlet schematic view of the air guide assembly in the embodiment of the present invention;
FIG. 12 is a schematic view of an assembly of the air guide assembly and BBU device in the embodiment of the present invention;
FIG. 13 is a control schematic of an internal recycle blower in an embodiment of the present invention;
fig. 14 is a control schematic diagram of the external circulation fan in the embodiment of the invention.
Detailed Description
The invention is further illustrated below with reference to the figures and examples. In the following detailed description, certain exemplary embodiments of the present invention are described by way of illustration only. Needless to say, a person skilled in the art realizes that the described embodiments can be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.
As shown in fig. 1 to 6, the high-efficiency heat dissipation type 5G BBU energy-saving cabinet includes a cabinet body 50, a cabinet door 51 which can be opened and closed is arranged at the front side of the cabinet body 50, a base 52 is arranged at the bottom, and a top cover 53 is arranged at the top; a rear heat exchange cavity is arranged at the rear side of the cabinet body 50, a rear heat exchange core 60 is arranged in the rear heat exchange cavity, and a plurality of external circulation air channels and a plurality of internal circulation air channels are formed on the rear heat exchange core 60 and are respectively defined as a rear external circulation air channel 61 and a rear internal circulation air channel 62 (refer to fig. 6) for convenience of description; the rear side external circulation air duct 61 and the rear side internal circulation air duct 62 are strictly isolated, the bottom of the cabinet body 50 is provided with an external circulation air inlet 54, and the top cover 53 is provided with an external circulation air outlet 55; the left side and the right side of the cabinet body 50 are respectively provided with a side heat exchange cavity, a side heat exchange core 70 is arranged in the side heat exchange cavity, the side heat exchange core 70 has the same structure as the rear heat exchange core, and a plurality of external circulation air channels and a plurality of internal circulation air channels are also formed, and for convenience of description, the side heat exchange core is respectively defined as a side external circulation air channel 71 and a side internal circulation air channel 72 (refer to fig. 7); the top of the cabinet 50 is provided with an external circulation fan 81 for circulating air in each external circulation air duct with the external environment, and an internal circulation fan 82 for circulating air in the internal circulation air duct with the heat dissipation space of the equipment in the cabinet, and the number of the fans can be configured into a plurality according to the space (refer to fig. 3);
referring to fig. 7 and 8, by arranging the heat exchange core, when the temperature difference between the inside and the outside of the cabinet is large and the operation temperature is met, the control system starts the circulating fan, so that the gas on the inner side and the gas on the outer side exchange heat in the heat exchange core, and the temperature in the cabinet is reduced. From the perspective of the outer side of the cabinet body, cold air outside the cabinet body enters the heat exchange core from the outer circulation air inlet under the action of the outer circulation fan 81, then exchanges heat through the heat exchange core to become hotter outdoor air, and is discharged out of the cabinet body from the outer circulation air outlet; from the perspective of the inner side of the cabinet body, hot air in the cabinet body enters the heat exchange core from the inner circulation air inlet under the action of the inner circulation fan 82, then is subjected to heat exchange through the heat exchange core to become cooler air, and then returns to the base station from the inner circulation air outlet; therefore, the natural cold source is changed into natural cold source through the heat exchange core, the service time of the air conditioner can be reduced by 8 months every year, and the effects of energy conservation and consumption reduction are obvious.
In the embodiment, specifically, the rear heat exchange cavity and the side heat exchange cavity are both formed by an inner layer metal shell structure and an outer layer metal shell structure of the cabinet body, so that cold and heat isolation can be realized to a certain extent; the heat exchange core is preferably made of specially-made aluminum foils, the metal protective shell is formed by the inner layer and the outer layer of the cabinet body, the inner air duct and the outer air duct are strictly isolated, the cleanliness of equipment in the cabinet to the environment is guaranteed, the base station equipment is effectively prevented from being invaded by external dust and moisture, and the service life of the equipment is prolonged.
Referring to fig. 9 to 12, both sides of the front portion of the cabinet 50, except for the reserved device installation area, adopt a closed structure, BBU devices 40 are installed in layers in the reserved device installation area, each layer of BBU device 40 is provided with an air guide assembly, the air guide assembly includes a transverse air guide 10 installed at the bottom of the BBU device 40, an air inlet side longitudinal air guide 20 installed at an air inlet side 41 of the BBU device 40, and an air outlet side longitudinal air guide 30 installed at an air outlet side 42 of the BBU device 40; the transverse air guide member 10, the air inlet side longitudinal air guide member 20 and the air outlet side longitudinal air guide member 30 can be fully improved and strengthened to form effective airflow organization, so that cold airflow can pass through 5G BBU equipment to the maximum extent to dissipate heat of the equipment, the problem of local overheating of the equipment caused by backflow short circuit of hot airflow in the cabinet body is avoided, and the heat dissipation efficiency of the equipment is greatly improved.
Referring to fig. 9 to 12, the transverse air guide 10 is preferably a frame-shaped structure adapted to the shape of the bottom of the BBU device 40, a partition plate 11 is disposed on the transverse air guide 10, the partition plate 11 diagonally divides the cavity of the transverse air guide 10 into a transverse air inlet guide chamber 12 and a transverse air outlet guide chamber 13, a cold air inlet 14 is disposed at the front end of the transverse air inlet guide chamber 12, and a cold air outlet 15 is disposed at the side of the transverse air inlet guide chamber 12; the lateral part of the transverse air outlet guide chamber 13 is provided with a hot air inlet 16, and the rear end of the transverse air outlet guide chamber 13 is provided with a hot air outlet 17.
Referring to fig. 9 to 12, the air intake side longitudinal air guide 20 has an air intake side longitudinal air guide chamber 21, the air intake side longitudinal air guide chamber 21 is connected to the side cold air outlet 15 of the transverse air intake guide chamber 12 and the air intake side 41 of the BBU device 40, and the cold air flow introduced from the transverse air intake guide chamber 12 can enter the air intake side longitudinal air guide chamber 21; the air inlet side longitudinal air guide member 20 comprises an air inlet side closed cover body 22 matched with the shape of the side part of the BBU equipment, the air inlet side closed cover body 22 is provided with at least one part of an air inlet side heat dissipation part 23 protruding outwards, on one hand, the heat dissipation area of the cover body is increased through the heat dissipation part, the heat dissipation effect is improved, on the other hand, after the protruding heat dissipation part is matched with the side wall of the cabinet body, heat dissipation channels can be formed on two protruding sides, and the heat exchange between the internal circulation fan and the side heat exchange core 70 is facilitated; the air inlet side longitudinal air guiding chamber 21 is formed on the inner side of the cover body. In this embodiment, the air inlet side longitudinal air guide 20 is in a convex structure.
Referring to fig. 9 to 12, the air-out-side longitudinal air guide member 30 has an air-out-side longitudinal air guide chamber 31, the air-out-side longitudinal air guide chamber 31 is connected to the air-out side 42 of the BBU device and the side hot air inlet 16 of the transverse air-out air guide chamber 13, the cold air flow enters the BBU device 40 from the air-in-side longitudinal air guide chamber 21, and after entering the air-out-side longitudinal air guide chamber 31, the hot air flow formed by heat exchange with the BBU device is guided into the rear portion of the cabinet through the transverse air-out air guide chamber 13, and is sucked by the internal circulation fan to exchange heat with the rear heat exchange core 60. The vertical wind guide of air-out side 30 includes the closed lid 32 of air-out side with the lateral part shape adaptation of BBU equipment, the closed lid 32 of air-out side has the outside outstanding air-out side heat dissipation portion 33 of at least partly, and the effect of air-out side heat dissipation portion 33 is the same with the effect of air-in side heat dissipation portion, no longer gives unnecessary details. The inside of the air outlet side closed cover 32 forms the air outlet side longitudinal air guiding chamber 31. In this embodiment, the air-out-side longitudinal air guiding member 30 is also in a convex structure.
Referring to fig. 5 to 12, a bottom cold air cabin 56, a front cold air cabin 57 and a rear hot air cabin 58 are formed after the BBU device is mounted on the cabinet, and the bottom cold air cabin 56 is provided with an internal circulation air return opening 561; the front cold air cabin 57 is communicated with the cold air inlets 14 of the transverse air inlet guide chambers; the rear hot air cabin 58 is communicated with the hot air outlets 17 of the transverse air outlet guide chambers. By adopting the structural design, because both sides of the mounting upright post at the front part of the cabinet are in a closed structure, only the equipment mounting area is reserved, and all cold air flow can only enter through equipment at the front side of the cabinet, the cold-free environment of the cold-only equipment is realized, and a natural cold source is utilized to the maximum extent; under the action of the internal circulation fan, cold air flows sequentially flow through the bottom cold air cabin 56, the front cold air cabin 57, the transverse air inlet air guide chambers 12 and the air inlet side longitudinal air guide chambers 21 and then enter the BBU equipment 40, hot air flows formed by heat exchange between the cold air flows and the BBU equipment 40 sequentially flow through the air outlet side longitudinal air guide chambers 31 and the transverse air outlet air guide chambers 13 and then are collected to enter the rear hot air cabin 58, hot air flows in the rear hot air cabin 58 enter an internal circulation air duct of the rear heat exchange core 60 for heat exchange, and the hot air flows are changed into cooler air flows and then enter the bottom cold air cabin 56 again from an internal circulation air return opening 561 to sequentially reciprocate internal circulation. Therefore, the air guide assembly changes the air flow organization of the cabinet and realizes the exchange of internal and external heat in cooperation with the heat exchange core, and the heat dissipation effect of the equipment is greatly improved. Meanwhile, the air guide assembly is designed in a module mode and is matched with BBU equipment in height (refer to fig. 10), the installation position or expansion in the cabinet can be flexibly adjusted, the structure is simple, the installation is convenient, and the air guide assembly is suitable for popularization and application.
In addition, two side heat dissipation compartments 59 are respectively formed between the air inlet side longitudinal air guide 20 and the inner side wall of the cabinet body 50, and between the air outlet side longitudinal air guide 30 and the other inner side wall of the cabinet body 50; under the action of the internal circulation fan 82, the hot air flow in the side heat dissipation chamber 59 enters the internal circulation air duct of the side heat exchange core 70 on the corresponding side for heat exchange, then becomes cooler air flow, and then enters the bottom cold air chamber 56 again from the internal circulation air return opening 561 for internal circulation in sequence, so that the heat dissipation efficiency of the equipment is further improved.
Install temperature control module 80, distribution unit 90 in the cabinet body 50, temperature control module 80 adopts microprocessor control to be furnished with temperature sensor and come the detecting system control inside and outside circulating fan operational aspect, can be according to external environment and various operating modes, the operating speed of nimble inside and outside circulating fan of adjusting and open the stop condition, realize long-range intelligent control.
The temperature control module 80 is provided with an AC 220VAC and DC 48VDC dual power supply access, and when the DC voltage is normal, the control method is as follows: ' Qiyi
S1, internal circulation control:
referring to fig. 13, when the temperature inside the cabinet is lower than a first set Temperature (TIMIN), the internal circulation fan is operated at a low speed at a first set rotational speed (RIMIN); when the temperature of the inner side of the cabinet body is increased from a first set Temperature (TIMIN) to a second set Temperature (TIHIGH), the rotating speed of the internal circulation fan is increased to a second set rotating speed (RIHIGH); when the temperature of the inner side of the cabinet body reaches a third set Temperature (TIFULL), the internal circulation fan continuously operates at a third set rotating speed (RIFULL); when the temperature of the internal circulation air return inlet reaches a fourth set Temperature (TMAX), the internal circulation fan continuously operates at a fourth set rotating speed (RMAX);
s2, outer loop control:
referring to fig. 14, when the temperature inside the cabinet rises to a fifth set Temperature (TEMIN), the outer circulation fan is operated at a fifth set rotational speed (REMIN) to obtain cool air from the outside; when the temperature of the inner side of the cabinet body rises from a fifth set Temperature (TEMIN) to a sixth set Temperature (TEHIGH), the rotating speed of the external circulation fan linearly rises to a sixth set rotating speed (REHIGH); when the temperature of the inner side of the cabinet body reaches a seventh set Temperature (TEFULL), the external circulation fan continuously operates at a seventh set rotating speed (REFLL); and when the temperature of the inner side of the cabinet body is reduced to be lower than The Eighth Set Temperature (TESTOP), the external circulation fan stops rotating.
When there is a problem with dc voltage supply (defined as no dc current), the power is supplied from an ac to transformer to 30 VAC. At this time, the inner circulation fan is operated at a low speed of an eighth set rotational speed (RIAC), and the outer circulation fan is stopped.
The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention. Any equivalent changes and modifications that can be made by one skilled in the art without departing from the spirit and principles of the invention should fall within the protection scope of the invention.
Claims (10)
1. Energy-conserving rack of high-efficient heat dissipation type 5G BBU, including the cabinet body, the front side of the cabinet body is equipped with the cabinet door that can open and shut, its characterized in that: a rear heat exchange cavity is arranged at the rear side of the cabinet body, a rear heat exchange core is arranged in the rear heat exchange cavity, a plurality of external circulation air channels and a plurality of internal circulation air channels are formed on the rear heat exchange core, the external circulation air channels are separated from the internal circulation air channels, and an external circulation fan for enabling air in the external circulation air channels to circulate with the external environment and an internal circulation fan for enabling air in the internal circulation air channels to circulate with a heat dissipation space of equipment in the cabinet body are arranged in the cabinet body;
the front part of the cabinet body is provided with closed structures on two sides except a reserved equipment mounting area, BBU equipment is mounted in the reserved equipment mounting area in a layered mode, the bottom of each layer of BBU equipment is provided with a transverse air guide respectively, the air inlet side of each layer of BBU equipment is provided with an air inlet side longitudinal air guide respectively, and the air outlet side of each layer of BBU equipment is provided with an air outlet side longitudinal air guide respectively; the transverse air guide piece is provided with a transverse air inlet air guide chamber and a transverse air outlet air guide chamber, the air inlet side longitudinal air guide piece is provided with an air inlet side longitudinal air guide chamber, and the air outlet side longitudinal air guide piece is provided with an air outlet side longitudinal air guide chamber;
a bottom cold air cabin, a front cold air cabin and a rear hot air cabin are formed after the BBU equipment is installed on the cabinet body, and the bottom cold air cabin is provided with an internal circulation air return port; under the action of the internal circulation fan, cold air flows sequentially flow through the bottom cold air cabin, the front cold air cabin, the transverse air inlet guide chambers and the longitudinal air inlet side guide chambers and then enter the BBU equipment, hot air flows formed after heat exchange between the cold air flows and the BBU equipment sequentially flow through the longitudinal air outlet side guide chambers and the transverse air outlet guide chambers and then are gathered and enter the rear hot air cabin, hot air flows in the rear hot air cabin enter the internal circulation air duct of the rear heat exchange core for heat exchange, and the hot air flows are changed into cooler air flows and then enter the bottom cold air cabin again from the internal circulation air return opening to sequentially reciprocate internal circulation.
2. The efficient heat dissipation type 5G BBU energy-saving cabinet of claim 1, wherein: the cabinet comprises a cabinet body and is characterized in that side heat exchange cavities are respectively arranged on the left side and the right side of the cabinet body, side heat exchange cores are arranged in the side heat exchange cavities, a plurality of external circulation air channels and a plurality of internal circulation air channels are also formed in the side heat exchange cores, and the external circulation air channels and the internal circulation air channels are isolated.
3. The efficient heat dissipation type 5G BBU energy-saving cabinet of claim 2, wherein: side heat dissipation cabins are respectively formed between the air inlet side longitudinal air guide piece and the side wall of the cabinet body and between the air outlet side longitudinal air guide piece and the side wall of the cabinet body; under the action of the internal circulation fan, hot air in the side heat dissipation cabin enters the internal circulation air duct of the side heat exchange core on the corresponding side for heat exchange and sequentially reciprocates for internal circulation.
4. The efficient heat dissipation type 5G BBU energy-saving cabinet of claim 1, wherein: the transverse air guide piece is of a frame-shaped structure matched with the shape of the bottom of the BBU equipment, a partition board is arranged on the transverse air guide piece, and the partition board divides the transverse air guide piece into a transverse air inlet air guide chamber and a transverse air outlet air guide chamber along opposite angles.
5. The efficient heat dissipation type 5G BBU energy-saving cabinet of claim 1, wherein: the front end of the transverse air inlet air guide chamber is provided with a cold air inlet, the side part of the transverse air inlet air guide chamber is provided with a cold air outlet, and the air inlet side longitudinal air guide chamber is connected with the cold air inlet of the transverse air inlet air guide chamber and the air inlet side of the BBU equipment; the front cold air cabin is communicated with cold air inlets of the transverse air inlet guide chambers.
6. The efficient heat dissipation type 5G BBU energy-saving cabinet of claim 1, wherein: the lateral part of the transverse air-out air guide chamber is provided with a hot air inlet, the rear end of the transverse air-out air guide chamber is provided with a hot air outlet, and the air-out side longitudinal air guide chamber is connected with the air-out side of the BBU equipment and the hot air inlet of the transverse air-out air guide chamber; the rear hot air cabin is communicated with hot air outlets of the transverse air outlet guide chambers.
7. The efficient heat dissipation type 5G BBU energy-saving cabinet of claim 1, wherein: the air inlet side longitudinal air guide piece comprises an air inlet side closed cover body matched with the shape of the side part of the BBU equipment, and the air inlet side closed cover body is provided with at least one part of an air inlet side heat dissipation part protruding outwards.
8. The efficient heat dissipation type 5G BBU energy-saving cabinet of claim 1, wherein: the air-out side longitudinal air guide piece comprises an air-out side closed type cover body matched with the shape of the side part of the BBU equipment, and the air-out side closed type cover body is provided with an air-out side heat dissipation part with at least one part protruding outwards.
9. The efficient heat dissipation type 5G BBU energy-saving cabinet of any one of claims 1 to 8, wherein: a temperature control module is installed in the cabinet body.
10. The intelligent control method of the high-efficiency heat dissipation type 5G BBU energy-saving cabinet of claim 9, comprising the steps of:
s1, internal circulation control:
when the temperature of the inner side of the cabinet body is lower than a first set temperature, the internal circulation fan runs at a low speed at a first set rotating speed; when the temperature of the inner side of the cabinet body is increased from the first set temperature to the second set temperature, the rotating speed of the internal circulation fan is increased to the second set rotating speed; when the temperature of the inner side of the cabinet body reaches a third set temperature, the internal circulation fan continuously operates at a third set rotating speed; when the temperature of the internal circulation air return inlet reaches a fourth set temperature, the internal circulation fan continuously operates at a fourth set rotating speed;
s2, outer loop control:
when the temperature of the inner side of the cabinet body rises to a fifth set temperature, the external circulation fan operates at a fifth set rotating speed so as to obtain cold air from the outside; when the temperature of the inner side of the cabinet body rises from the fifth set temperature to the sixth set temperature, the rotating speed of the external circulation fan linearly rises to the sixth set rotating speed; when the temperature of the inner side of the cabinet body reaches a seventh set temperature, the external circulation fan continuously operates at a seventh set rotating speed; and when the temperature of the inner side of the cabinet body is reduced to be lower than the eighth set temperature, the external circulation fan stops rotating.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101403522A (en) * | 2008-10-29 | 2009-04-08 | 深圳市生瑞科技有限公司 | High-efficiency heat exchange communication cabinet and its high-efficiency heat exchange method |
| CN112616294A (en) * | 2020-12-09 | 2021-04-06 | 青岛海信电子设备股份有限公司 | Machine cabinet |
| CN215935426U (en) * | 2021-10-12 | 2022-03-01 | 上海汇珏网络通信设备股份有限公司 | Efficient heat dissipation type 5GBBU energy-saving cabinet |
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2021
- 2021-10-12 CN CN202111188204.9A patent/CN113710077B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101403522A (en) * | 2008-10-29 | 2009-04-08 | 深圳市生瑞科技有限公司 | High-efficiency heat exchange communication cabinet and its high-efficiency heat exchange method |
| CN112616294A (en) * | 2020-12-09 | 2021-04-06 | 青岛海信电子设备股份有限公司 | Machine cabinet |
| CN215935426U (en) * | 2021-10-12 | 2022-03-01 | 上海汇珏网络通信设备股份有限公司 | Efficient heat dissipation type 5GBBU energy-saving cabinet |
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