CN103269569A - Equipment cabinet - Google Patents

Equipment cabinet Download PDF

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Publication number
CN103269569A
CN103269569A CN2013101809381A CN201310180938A CN103269569A CN 103269569 A CN103269569 A CN 103269569A CN 2013101809381 A CN2013101809381 A CN 2013101809381A CN 201310180938 A CN201310180938 A CN 201310180938A CN 103269569 A CN103269569 A CN 103269569A
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China
Prior art keywords
air
heat exchange
chamber
exchanger core
heat exchanger
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CN2013101809381A
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Chinese (zh)
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CN103269569B (en
Inventor
赵晓军
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Huawei Digital Power Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to CN201310180938.1A priority Critical patent/CN103269569B/en
Priority claimed from CN201310180938.1A external-priority patent/CN103269569B/en
Publication of CN103269569A publication Critical patent/CN103269569A/en
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Publication of CN103269569B publication Critical patent/CN103269569B/en
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Abstract

The invention discloses an equipment cabinet which comprises a cabinet body, a heat exchanging core, an inner circulating fan and an outer circulating fan, wherein a heat exchanging cavity and a directly ventilating cavity are separated from each other and formed in the cabinet body, the heat exchanging core is arranged in the heat exchanging cavity, the inner circulating fan is arranged in the heat exchanging cavity, an air inlet and an inner air outlet are formed in the cavity wall of the directly ventilating cavity, an inner air duct is formed in the equipment cabinet, and the outer circulating fan is arranged in the inner air duct and used for enabling air outside the cabinet body to enter the directly ventilating cavity through the air inlet and to flow to the heat exchanging core through the inner air outlet and the inner air duct. All cool air which is extracted by the outer circulating fan enters the directly ventilating cavity, therefore, heat dissipation capability of the directly ventilating cavity is improved, all air flow which flows out of the directly ventilating cavity enters the heat exchanging core, heat in the heat exchanging cavity can be dissipated through combination of inner circulating air flow which is produced by the inner circulating fan in the heat exchanging cavity, heat dissipation capacity of the directly ventilating cavity and heat dissipation capacity of the heat exchanging cavity can be ensured through the adoption of only two fans, internal consumption of the system is reduced, the structure is simple, and cost of products is reduced.

Description

A kind of rack
Technical field
The present invention relates to the equipment temperature control technology, relate in particular to a kind of rack.
Background technology
The comprehensive cabinet of outdoor power supply of communication field is made up of automatically controlled chamber and battery cavities, be heat exchange (automatically controlled chamber) and the comprehensive rack of direct ventilation (battery cavities) combination at temperature control mode, in general need three fans at least, one of them fan is used for realizing circulation in the heat exchange, and namely the air of rack inside flows in the rack inner loop by interior circulating fan; Another fan be used for to be realized outer circulation, and namely outside air enters heat exchanger core by the outer circulation fan and interior circulating current carries out heat exchange; Last fan is used for realizing direct ventilation that namely outside air directly enters rack inside by the outer circulation fan.For the limited space of rack, reduce the fan number and not only can save installing space, can also reduce system's in-fighting, reduce product cost, therefore significant.
For having the rack that two chambeies and temperature control mode are respectively heat exchange and direct ventilation, a kind of rack is arranged in the prior art, cold wind is divided into two parts after external circulation air inlet enters rack: the hot blast that a part enters heat exchanger core and interior circulation carries out heat exchange, thereby is heat exchange chamber (temperature control mode is the chamber of heat exchange) heat radiation; A part enters direct ventilation chamber (temperature control mode is the chamber of direct ventilation) for the direct ventilation cavity radiating in addition, and the through hole from the direct ventilation chamber flows to outside the rack then.Though this technical scheme has only been used two fans, but it is divided into two parts with air intake, this two-part ratio is because the limitation of this kind structure is uncontrollable, and in fact have only very little a part of wind can enter the direct ventilation chamber, cause direct ventilation cavity radiating scarce capacity, thereby cause direct ventilation chamber internal heat generation the amount big alarm of equipment high temperature or damage.
Summary of the invention
Technical problem to be solved by this invention is, a kind of rack is provided, and only adopts two fans can guarantee the temperature control in heat exchange chamber and direct ventilation chamber, has reduced system's in-fighting, and is simple in structure, effectively reduced the cost of product.
Embodiments of the invention provide a kind of rack, comprise cabinet and heat exchanger core, and described cabinet has heat exchange chamber and the direct ventilation chamber of mutual isolation, and described heat exchanger core is arranged at described heat exchange chamber, are used for the exchange heat of described heat exchange chamber and outside; Circulating fan and outer circulation fan in described cabinet also comprises; Circulating fan is located at described heat exchange chamber in described, is used for impelling the air circulation in the described heat exchange chamber to flow;
Offer air inlet and interior air outlet on the chamber wall in described direct ventilation chamber, described air inlet is communicated to the outside of described cabinet; Be provided with interior air channel in the described rack, an end in described interior air channel is communicated to described direct ventilation chamber by air outlet in described, and the other end is communicated to described heat exchanger core; Described outer circulation fan be arranged on described in the air channel, be used for making described cabinet air outside enter described direct ventilation chamber by described air inlet and in described air outlet and described in the air channel flow to described heat exchanger core.
In first kind of possible implementation, described heat exchange chamber is positioned at top, described direct ventilation chamber.
In second kind of possible implementation, described heat exchanger core, described in the air channel, and described in air outlet be arranged on the same side of described rack.
In conjunction with second kind of possible implementation, in the third possible implementation, described interior air outlet and described air inlet are arranged on the same side in described direct ventilation chamber.
In conjunction with second kind of possible implementation, in the 4th kind of possible implementation, described in air outlet and described air inlet be separately positioned on the relative side of described rack two.
In conjunction with the third or the 4th kind of possible implementation, in the 5th kind of possible implementation, described air inlet to the distance of described heat exchange chamber greater than the distance of air outlet in described to described heat exchange chamber.
In the 6th kind of possible implementation, described cabinet comprises main cabinet and cabinet door, described cabinet door is located on the side of described main cabinet, described cabinet door is the described heat exchange chamber of corresponding matching and described direct ventilation chamber simultaneously, described heat exchanger core, described in the air channel, and described in air outlet all be arranged on the described cabinet door.
In conjunction with the 6th kind of possible implementation, in the 7th kind of possible implementation, described outer circulation fan is centrifugal fan, and its rotating shaft is perpendicular to the plane at described cabinet door place, and the air-out direction of described outer circulation fan is towards described heat exchanger core.
In the 8th kind of possible implementation, described interior circulating fan is centrifugal fan, and its air-out wind direction is towards described heat exchanger core; Circulating fan is located on the inner top surface of described heat exchange chamber in described.
In the 9th kind of possible implementation, described interior circulating fan is aerofoil fan, is arranged on the same side of described heat exchange chamber with described heat exchanger core, and is positioned at the top of described heat exchanger core.
According to embodiments of the invention, the cold wind of outer circulation fan suction all enters the direct ventilation chamber, thereby has strengthened the heat-sinking capability in direct ventilation chamber; The air-flow that comes out from the direct ventilation chamber all enters heat exchanger core, circulating current can be the heat exchange chamber heat radiation in forming in heat exchange chamber in conjunction with interior circulating fan, be that secondary has utilized the cold wind of rack suction to be followed successively by the direct ventilation chamber and heat exchange chamber dispels the heat, effectively heat exchange and two kinds of temperature control modes of direct ventilation are integrated, only adopted two fans can guarantee the heat-sinking capability of direct ventilation chamber and heat exchange chamber, reduced system's in-fighting, simple in structure, effectively reduced the cost of product.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the schematic diagram of the rack that provides of the preferred embodiment of the present invention;
Fig. 2 is the schematic diagram of the rack that provides of the another kind of embodiment of the present invention;
Fig. 3 is the schematic diagram of the rack that provides of another embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described.
Referring to Fig. 1, be a kind of rack that the preferred embodiment of the present invention provides, comprise cabinet 1, heat exchanger core 2, interior circulating fan 3 and outer circulation fan 4.
Cabinet 1 comprises main cabinet 11 and cabinet door 12.Main cabinet 11 integral body are cuboid, its length direction for vertically to.Be provided with a division board 110 in the main cabinet 11, the inner chamber of main cabinet 11 be divided into heat exchange chamber 1a and the direct ventilation chamber 1b of mutual isolation.Division board 110 is horizontally disposed with, and the cavity that is in division board 110 tops is heat exchange chamber 1a, and the cavity that is in division board 110 belows is direct ventilation chamber 1b.In the present embodiment, rack is the comprehensive cabinet of outdoor power supply of communication field, and heat exchange chamber 1a is automatically controlled chamber, and its caloric value is bigger, adopts the heat exchange method heat radiation; Direct ventilation chamber 1b is battery cavities, and its caloric value is less, adopts the direct ventilation mode to dispel the heat.Heat exchange chamber 1a is positioned at the top of direct ventilation chamber 1b, can reduce the interior heat of heat exchange chamber 1a to the influence of direct ventilation chamber 1b, is beneficial to the heat radiation of two chambers.
Cabinet door 12 is located on the side of main cabinet 11, and 12 while of cabinet door corresponding matching heat exchange chamber 1a and direct ventilation chamber 1b.The first half corresponding with heat exchange chamber 1a forms a part of chamber wall of heat exchange chamber 1a on the cabinet door 12; The latter half corresponding with direct ventilation chamber 1b forms a part of chamber wall of direct ventilation chamber 1b on the cabinet door 12.Open cabinet door 12 and can expose heat exchange chamber 1a and direct ventilation chamber 1b simultaneously, close cabinet door 12 and can close heat exchange chamber 1a and direct ventilation chamber 1b simultaneously.
Heat exchanger core 2 is located at position corresponding with heat exchange chamber 1a on the cabinet door 12, is used for the exchange heat of heat exchange chamber 1a and outside.Interior circulating fan 3 is located at heat exchange chamber 1a, is used for impelling the air circulation in the heat exchange chamber 1a to flow, and the heat transferred heat exchanger core 2 that accelerates in the heat exchange chamber 1a is delivered to outside the rack again, thereby heat exchange chamber 1a is dispelled the heat.In the present embodiment, interior circulating fan 3 is centrifugal fan, is arranged in the heat exchange chamber 1a, and its air-out wind direction in order to heat is blowed to heat exchanger core 2, is accelerated heat exchange towards heat exchanger core 2.Because heat accumulation is in the top of cavity, interior circulating fan 3 is arranged on the inner top surface of heat exchange chamber 1a, makes to carry the air flow direction heat exchanger core 2 of more heat transfer, further accelerates the heat exchange in the heat exchange chamber 1a; The rotating shaft of interior circulating fan 3 is perpendicular to the inner top surface of heat exchange chamber 1a, with the influence of miscellaneous part in 3 couples of heat exchange chamber 1a of circulating fan in reducing.
Air inlet 101 and interior air outlet 102 are offered in the position corresponding with direct ventilation chamber 1b on the cabinet door 12.Air inlet 101 is communicated to the outside of cabinet 1, is used for the cold air of rack outside is entered in the 1b of direct ventilation chamber.Air inlet 101 is positioned at air outlet 102 belows, it is air inlet 101 arrives heat exchanger core 2 greater than interior air outlet 102 to the distance of heat exchanger core 2 distance, avoid the heat of heat exchanger core 2 to enter rack through air inlet 101, making air inlet 101 inhaled airs is cold air.Air channel 120 in being provided with in the cabinet door 12, an end in interior air channel 120 is communicated to direct ventilation chamber 1b by interior air outlet 102, and the other end is communicated to heat exchanger core 2.
In outer circulation fan 4 is arranged in the air channel 120, be used for making cabinet 1 air outside by air inlet 101 enter direct ventilation chamber 1b and through interior air outlet 102 and in air channel 120 blow to heat exchanger core 2.Under the draft effect of circulating fan 4, the rack air outside enters direct ventilation chamber 1b from air inlet 101 outside, and dispels the heat for direct ventilation chamber 1b.Because air inlet 101 and interior air outlet 102 all are arranged on the cabinet door 12, air outlet 102 is arranged on the same side of rack with air inlet 101 namely, the rack air outside forms C shape air channel after air inlet 101 enters direct ventilation chamber 1b, can fully dispel the heat to direct ventilation chamber 1b.Under the draft effect of circulating fan 4 outside of the outer air of rack, entering into direct ventilation chamber 1b continuously dispels the heat, make that temperature and the temperature outside the rack of direct ventilation chamber 1b are almost equal, thereby it is bigger to make that the extraneous wind-warm syndrome degree that enters direct ventilation chamber 1b can not promote, and can guarantee the heat-sinking capability of heat exchange chamber 1a.
Through the air-flow of direct ventilation chamber 1b again through interior air outlet 102 and in air channel 120 enter heat exchanger core 2, heat exchanger core 2 is dispelled the heat, make the heat exchange chamber 1a heat diffusion of heat exchanger core 2 absorptions outside rack.As preferably, the air-out direction of outer circulation fan 4 is towards heat exchanger core 2, and the air-flow that makes outer circulation fan 4 produce directly flows to heat exchanger core 2, and the heat radiation of heat exchanger core 2 is accelerated in the loss of the 120 pairs of airflow kinetic energy in air channel in reducing.Outer circulation fan 4 is centrifugal fan, and its rotating shaft to save installing space, reduces the thickness of cabinet door 12 perpendicular to the plane at cabinet door 12 places, reduces the overall volume of rack.
The cold wind of outer circulation fan 4 suction all entered direct ventilation chamber 1b before entering heat exchanger core 2, thereby had strengthened the heat-sinking capability of direct ventilation chamber 1b; The air-flow that comes out from direct ventilation chamber 1b all enters heat exchanger core 2, circulating current in forming in heat exchange chamber 1a in conjunction with interior circulating fan 3, make heat exchanger core 2 absorb heat exchange chamber 1a heats and be diffused into outside the rack, thereby be heat exchange chamber 1a heat radiation, namely the secondary cold wind that utilized rack to suck is followed successively by direct ventilation chamber 1b and heat exchange chamber 1a dispels the heat.Rack of the present invention integrates heat exchange and two kinds of temperature control modes of direct ventilation effectively, only adopted two fans can guarantee the heat-sinking capability of direct ventilation chamber 1b and heat exchange chamber 1a, reduced system's in-fighting, simple in structure, effectively reduced the cost of product.Rack of the present invention is not only applicable to the comprehensive cabinet of outdoor power supply of communication field, is applicable to that also other have the rack of heat exchange chamber 1a and direct ventilation chamber 1b equally.
In the present embodiment, heat exchanger core 2, interior air channel 120, interior air outlet 102, and air inlet 101 all be arranged on the cabinet door 12 so that process and assemble is beneficial to maintenance, avoid the influence to cabinet 1 other positions simultaneously; The length in air channel 120 in reducing, whole rack compact conformation reduce the volume of whole rack, and profile is succinctly attractive in appearance; This topology layout make heat exchanger core 2, interior air channel 120, and in air outlet 102 be arranged on the same side of rack, in other execution mode, heat exchanger core 2, interior air channel 120, interior air outlet 102, and air inlet 101 also can be arranged on other sides of rack.
In the above-described embodiment, interior air outlet 102 and air inlet 101 be arranged on direct ventilation chamber 1b the same side on, as other execution mode, interior air outlet 102 and air inlet 101 are separately positioned on two opposite flanks of direct ventilation chamber 1b, particularly, interior air outlet 102 is arranged on the cabinet door 12, and air inlet 101 is arranged on the main cabinet 11 on the side relative with cabinet door 12.Air-flow forms the yi word pattern air channel after air inlet 101 enters direct ventilation chamber 1b, make to improve the heat-sinking capability to direct ventilation chamber 1b by permeate gas stream direct ventilation chamber 1b.
In the above-described embodiment, interior circulating fan 3 is centrifugal fan and is arranged on the inner top surface of heat exchange chamber 1a, as other execution mode, interior circulating fan 3 is aerofoil fan, and be arranged on the same side of heat exchange chamber 1a with heat exchanger core 2, particularly, interior circulating fan 3 all is arranged on the cabinet door 12 with heat exchanger core 2, so that the I﹠M of interior circulating fan 3.Interior circulating fan 3 is arranged on the top of heat exchanger core 2, and its air-out direction is accelerated the part heat to be taken to outside the rack when air flows in the heat exchange chamber 1a outside cabinet 1.
Above execution mode does not constitute the restriction to this technical scheme protection range.Any at above-mentioned execution mode spirit and principle within do modification, be equal to and replace and improvement etc., all should be included within the protection range of this technical scheme.

Claims (10)

1. a rack comprises cabinet and heat exchanger core, and described cabinet has heat exchange chamber and the direct ventilation chamber of mutual isolation, and described heat exchanger core is arranged at described heat exchange chamber, is used for the exchange heat of described heat exchange chamber and outside; It is characterized in that circulating fan and outer circulation fan in described cabinet also comprises; Circulating fan is located at described heat exchange chamber in described, is used for impelling the air circulation in the described heat exchange chamber to flow;
Offer air inlet and interior air outlet on the chamber wall in described direct ventilation chamber, described air inlet is communicated to the outside of described cabinet; Be provided with interior air channel in the described rack, an end in described interior air channel is communicated to described direct ventilation chamber by air outlet in described, and the other end is communicated to described heat exchanger core; Described outer circulation fan be arranged on described in the air channel, be used for making described cabinet air outside enter described direct ventilation chamber by described air inlet and in described air outlet and described in the air channel flow to described heat exchanger core.
2. rack according to claim 1 is characterized in that, described heat exchange chamber is positioned at top, described direct ventilation chamber.
3. rack according to claim 1 is characterized in that, described heat exchanger core, described in the air channel, and described in air outlet be arranged on the same side of described rack.
4. rack according to claim 3 is characterized in that, described interior air outlet and described air inlet are arranged on the same side in described direct ventilation chamber.
5. rack according to claim 3 is characterized in that, described in air outlet and described air inlet be separately positioned on the relative side of described rack two.
6. according to claim 4 or 5 described racks, it is characterized in that described air inlet arrives the distance of described heat exchange chamber greater than air outlet in described to the distance of described heat exchange chamber.
7. rack according to claim 1, it is characterized in that, described cabinet comprises main cabinet and cabinet door, described cabinet door is located on the side of described main cabinet, described cabinet door is the described heat exchange chamber of corresponding matching and described direct ventilation chamber simultaneously, described heat exchanger core, described in the air channel, and described in air outlet all be arranged on the described cabinet door.
8. rack according to claim 7 is characterized in that, described outer circulation fan is centrifugal fan, and its rotating shaft is perpendicular to the plane at described cabinet door place, and the air-out direction of described outer circulation fan is towards described heat exchanger core.
9. rack according to claim 1 is characterized in that, described interior circulating fan is centrifugal fan, and its air-out wind direction is towards described heat exchanger core; Circulating fan is located on the inner top surface of described heat exchange chamber in described.
10. rack according to claim 1 is characterized in that, described interior circulating fan is aerofoil fan, is arranged on the same side of described heat exchange chamber with described heat exchanger core, and is positioned at the top of described heat exchanger core.
CN201310180938.1A 2013-05-16 A kind of rack Active CN103269569B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310180938.1A CN103269569B (en) 2013-05-16 A kind of rack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310180938.1A CN103269569B (en) 2013-05-16 A kind of rack

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CN103269569A true CN103269569A (en) 2013-08-28
CN103269569B CN103269569B (en) 2016-11-30

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103458662A (en) * 2013-08-30 2013-12-18 华为技术有限公司 Heat radiator and outdoor communication equipment cabinet with same
CN105376966A (en) * 2014-09-01 2016-03-02 宜昌迪森智能科技有限公司 Dustproof electric appliance cabinet
CN105658039A (en) * 2016-03-18 2016-06-08 广州市铭钰标识科技有限公司 Environmentally-friendly energy-saving air cooling constant temperature system
CN113107430A (en) * 2021-04-22 2021-07-13 大庆山勃电器有限公司 Intelligent variable frequency control device and process for optimal stroke frequency of oil pumping unit

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6024165A (en) * 1998-08-26 2000-02-15 Dsc Telecom L.P. Thermal management device and system for an electronic component enclosure
CN201536316U (en) * 2009-09-30 2010-07-28 艾默生网络能源有限公司 Outdoor power cabinet

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6024165A (en) * 1998-08-26 2000-02-15 Dsc Telecom L.P. Thermal management device and system for an electronic component enclosure
CN201536316U (en) * 2009-09-30 2010-07-28 艾默生网络能源有限公司 Outdoor power cabinet

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103458662A (en) * 2013-08-30 2013-12-18 华为技术有限公司 Heat radiator and outdoor communication equipment cabinet with same
CN103458662B (en) * 2013-08-30 2016-03-30 华为技术有限公司 Radiator and there is the outdoor communication equipment cabinet of this radiator
CN105376966A (en) * 2014-09-01 2016-03-02 宜昌迪森智能科技有限公司 Dustproof electric appliance cabinet
CN105658039A (en) * 2016-03-18 2016-06-08 广州市铭钰标识科技有限公司 Environmentally-friendly energy-saving air cooling constant temperature system
CN105658039B (en) * 2016-03-18 2018-03-09 广州市铭钰标识科技有限公司 The air-cooled constant temperature system of environmental protection and energy saving
CN113107430A (en) * 2021-04-22 2021-07-13 大庆山勃电器有限公司 Intelligent variable frequency control device and process for optimal stroke frequency of oil pumping unit
CN113107430B (en) * 2021-04-22 2021-12-14 大庆山勃电器有限公司 Intelligent variable frequency control device and process for optimal stroke frequency of oil pumping unit

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Effective date of registration: 20211105

Address after: 518043 No. 01, 39th floor, building a, antuoshan headquarters building, No. 33, antuoshan Sixth Road, Xiang'an community, Xiangmihu street, Futian District, Shenzhen, Guangdong Province

Patentee after: Huawei Digital Energy Technology Co.,Ltd.

Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen

Patentee before: HUAWEI TECHNOLOGIES Co.,Ltd.