CN111326487A - Fin radiator and refrigeration cabinet machine - Google Patents

Fin radiator and refrigeration cabinet machine Download PDF

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Publication number
CN111326487A
CN111326487A CN201811544995.2A CN201811544995A CN111326487A CN 111326487 A CN111326487 A CN 111326487A CN 201811544995 A CN201811544995 A CN 201811544995A CN 111326487 A CN111326487 A CN 111326487A
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CN
China
Prior art keywords
fin group
fan
fin
group
heat sink
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811544995.2A
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Chinese (zh)
Inventor
王定远
裴玉哲
刘杰
王大伟
徐佳
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Qingdao Haier Smart Technology R&D Co Ltd
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Qingdao Haier Smart Technology R&D Co Ltd
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Application filed by Qingdao Haier Smart Technology R&D Co Ltd filed Critical Qingdao Haier Smart Technology R&D Co Ltd
Priority to CN201811544995.2A priority Critical patent/CN111326487A/en
Publication of CN111326487A publication Critical patent/CN111326487A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00Details of semiconductor or other solid state devices
    • H01L23/34Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
    • H01L23/36Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
    • H01L23/367Cooling facilitated by shape of device
    • H01L23/3672Foil-like cooling fins or heat sinks
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00Details of semiconductor or other solid state devices
    • H01L23/34Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
    • H01L23/42Fillings or auxiliary members in containers or encapsulations selected or arranged to facilitate heating or cooling
    • H01L23/427Cooling by change of state, e.g. use of heat pipes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00Details of semiconductor or other solid state devices
    • H01L23/34Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
    • H01L23/46Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids
    • H01L23/467Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids by flowing gases, e.g. air

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The invention discloses a fin radiator and a refrigerating cabinet machine, belonging to the field of refrigerating equipment, wherein the fin radiator comprises a base, a first fin group, a second fin group, a third fin group, a first fan and a second fan; the second fin group is fixed on the base, the first fin group and the third fin group are respectively fixed on two sides of the base, and the first fin group and the third fin group are respectively communicated with the second fin group through heat pipes; the first fin group and the third fin group are respectively provided with a groove, the first fan is arranged in the groove of the first fin group, and the second fan is arranged in the groove of the second fin group. In this scheme, through embedding two fans on the fin, the same windage of the flow direction of wind and fin wind channel direction is little, has increased the disturbance of wind current between the fin, improves the radiating efficiency.

Description

Fin radiator and refrigeration cabinet machine
Technical Field
The invention relates to the technical field of refrigeration equipment, in particular to a fin radiator and a refrigeration cabinet machine.
Background
At present, when an electronic chip radiates, the heat pipe fin radiator can achieve the effects of high power density, light weight and strong heat radiation capability, and is applied to many fields. Such as: CPU heat dissipation, display card heat dissipation, IGBT/MOSFET/silicon controlled module heat dissipation, TEC heat dissipation. The semiconductor refrigeration piece realizes refrigeration through a heat pipe heat dissipation and conduction technology and an automatic variable pressure and current control technology, refrigeration working media and mechanical moving parts are not needed, and the application problems of medium pollution, mechanical vibration and the like of the traditional mechanical refrigeration refrigerator are solved. However, the cold end of the semiconductor refrigeration piece can generate a large amount of heat at the hot end thereof while refrigerating, and in order to ensure that the semiconductor refrigeration piece works reliably and continuously, the hot end needs to be radiated in time, in the prior art, a scheme of performing forced convection radiation on a radiating fin by arranging a fan is generally used for radiating the hot end of the semiconductor refrigeration piece, so that the heat exchange efficiency is improved, but the problems of low radiating efficiency, high noise and the like are caused because the air duct structure and the position of the fan are unreasonable; the disadvantages of the existing designs are mainly: in practical application, the heat dissipation effect of the fins is poor, the designed air flow cannot directly contact the fin parts, but firstly passes through the base and then turns to the 90-degree direction to flow to the heat dissipation fins, and the wind resistance is large.
Disclosure of Invention
The embodiment of the invention provides a fin radiator and a refrigerating cabinet machine, which at least solve one of the technical problems in the prior art. The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview and is intended to neither identify key/critical elements nor delineate the scope of such embodiments. Its sole purpose is to present some concepts in a simplified form as a prelude to the more detailed description that is presented later.
According to a first aspect of embodiments of the present invention, there is provided a fin radiator;
in some alternative embodiments, the finned heat sink comprises; the fan comprises a base, a first fin group, a second fin group, a third fin group, a first fan and a second fan;
the second fin group is fixed on the base, the first fin group and the third fin group are respectively fixed on two sides of the base, and the first fin group and the third fin group are respectively communicated with the second fin group through heat pipes; the first fin group and the third fin group are respectively provided with a groove, the first fan is arranged in the groove of the first fin group, and the second fan is arranged in the groove of the second fin group.
In some optional embodiments, further, a plurality of through wind holes are respectively arranged on the fins of the first fin group and the second fin group.
In some optional embodiments, further, the second fin group includes two fin groups arranged at intervals, and the two fin groups are respectively communicated with the first fin group and the third fin group through the heat pipe.
In some optional embodiments, further, the first fan and the second fan are a centrifugal fan or an axial fan, respectively; or
The first fan is an axial fan, and the second fan is a centrifugal fan; or
The first fan is a centrifugal fan, and the second fan is an axial fan.
In some optional embodiments, further, the second fin group includes a plurality of horizontally arrayed fins arranged at intervals, and the fins of the first fin group and the third fin group are arranged perpendicular to the fins of the second fin group, so that the wind passing through the element number through ventilation holes increases the wind flow disturbance of the second fin group.
In some optional embodiments, further, the uppermost end of the second fin group is on the same plane as the uppermost ends of the first and third fin groups.
In some optional embodiments, further, the wind direction of the first fan and the second fan is the same as the wind channel direction of the first fin group and the second fin group.
In some optional embodiments, further, the finned heat sink further comprises a control system;
the first fan and the second fan are respectively connected with the control system, and the control system controls the rotating speed and the starting and stopping of the first fan and the second fan.
In some optional embodiments, further, the first fin group and the third fin group are respectively provided with a temperature sensor, the temperature sensors respectively send detected temperature values to the control system, and the control system determines to control the rotation speed or start and stop of the first fan and the second fan according to preset temperature values.
According to a second aspect of the embodiments of the present invention, there is provided a cabinet refrigerator;
in some optional embodiments, the refrigerator cabinet comprises any one of the finned heat sinks described in any optional implementation above.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
the second fin group is fixed on the base, the first fin group and the third fin group are respectively fixed on two sides of the base, and the first fin group and the third fin group are respectively communicated with the second fin group through heat pipes; the first fin group and the third fin group are respectively provided with a groove, the first fan is arranged in the groove of the first fin group, the second fan is arranged in the groove of the second fin group, and by embedding the two fans in the fins, the wind resistance is small when the wind flow direction is the same as the direction of a fin air channel, and the wind flow disturbance among the fins is increased; in addition, by increasing the height of the fins of the second fin group, the wind flow sent out from the wind holes penetrating through the fins on the two sides of the second fin group generates disturbance to increase the wind flow disturbance among the fins of the second fin group, so that the heat exchange efficiency of the radiator is improved; energy is saved and efficiency is improved by controlling the speed change of the two fans.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
FIG. 1 is a schematic illustration of a fin heat sink according to an exemplary embodiment;
FIG. 2 is a schematic view of a fin structure of a fin heat sink according to an exemplary embodiment.
Reference numerals:
1-a first fin group; 101-through air holes; 2-a second fin group; 3-a third fin group; 4-a base; 5-a first fan; 6-a second fan; 7-a groove; 8-heat pipe.
Detailed Description
The following description and the drawings sufficiently illustrate specific embodiments of the invention to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The scope of embodiments of the invention encompasses the full ambit of the claims, as well as all available equivalents of the claims. Embodiments may be referred to herein, individually or collectively, by the term "invention" merely for convenience and without intending to voluntarily limit the scope of this application to any single invention or inventive concept if more than one is in fact disclosed. Herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method or apparatus that comprises the element. The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. As for the methods, products and the like disclosed by the embodiments, the description is simple because the methods correspond to the method parts disclosed by the embodiments, and the related parts can be referred to the method parts for description.
According to a first aspect of embodiments of the present invention, there is provided a fin radiator;
as shown in fig. 1 and 2, in some alternative embodiments, the finned heat sink includes; the base 4, the first fin group 1, the second fin group 2, the third fin group 3, the first fan 5 and the second fan 6;
the second fin group 2 is fixed on the base 4, the first fin group 1 and the third fin group 3 are respectively fixed on two sides of the base 4, and the first fin group 1 and the third fin group 3 are respectively communicated with the second fin group 2 through heat pipes 8; grooves 7 are respectively formed in the first fin group 1 and the third fin group 3, the first fan 5 is arranged in the groove 7 of the first fin group 1, and the second fan 6 is arranged in the groove 7 of the second fin group 2.
In the embodiment, the two fans are embedded in the fins, so that the wind resistance is small when the wind flow direction is the same as the wind channel direction of the fins, and the wind flow disturbance among the fins is increased; specifically, when the radiator works, the fans at the two sides, namely the first fan 5 and the second fan 6, suck air from the outer side, and supply air upwards and downwards along the air channel direction of the fin gap, so as to take away heat on the fins to realize heat dissipation; the position of the fan is in the middle or lower position of the depth of the fins in the groove 7 as far as possible, so that the air flow disturbance of the gaps of the fins is more uniform when the fan supplies air, and the heat dissipation efficiency of the radiator is higher.
In some alternative embodiments, further, as shown in fig. 2, a plurality of through-air holes 101 are respectively provided on the fins of the first fin group 1 and the third fin group 3.
In the embodiment, the through air holes 101 are formed in the upper surfaces of the fins, so that the air flow disturbance among the middle fins is increased, the temperature difference among the fins is reduced, and the heat dissipation efficiency is increased; certainly, the fins may not be provided with the through air holes 101, so that the air volume can be prevented from losing from the fins on both sides.
In some optional embodiments, further, as shown in fig. 1, the second fin group 2 includes two fin groups arranged at intervals, and the two fin groups are respectively communicated with the first fin group 1 and the third fin group 3 through the heat pipes 8.
In this embodiment, the centrifugal fan is added between the two second fin groups 2, that is, the base fins, so as to ensure that the base fins can also realize forced convection heat exchange, thereby improving the heat exchange efficiency of the radiator.
In some optional embodiments, further, the first fan 5 and the second fan 6 are a centrifugal fan or an axial fan, respectively; or
The first fan 5 is an axial flow fan, and the second fan 6 is a centrifugal fan; or
The first fan 5 is a centrifugal fan, and the second fan 6 is an axial fan.
In this embodiment, as shown in fig. 1, the first fan 5 and the second fan 6 may be selected from the above, and here, the first fan 5 and the second fan 6 are selected to be centrifugal fans, but of course, axial fans may also be selected.
In some optional embodiments, further, as shown in fig. 1, the second fin group 2 includes a plurality of horizontally arrayed fins disposed at intervals, and the fins of the first fin group 1 and the third fin group 3 are disposed perpendicular to the fins of the second fin group 2, so that the wind passing through the prime number through wind holes 101 increases the wind flow disturbance of the second fin group 2.
Further, the uppermost ends of the second fin groups 2 and the uppermost ends of the first fin groups 1 and the third fin groups 3 are on the same plane.
In the embodiment, the height of the fins is equal to that of the aluminum fins on the two sides, the direction of the fins is vertical to that of the aluminum fins on the two sides, and a partition is arranged between the two fin groups of the second fin group 2; the aluminum fins on the two sides penetrate through the air holes 101 to generate sent air, so that air flow disturbance is generated in the second fin group 2, and the heat dissipation efficiency of the base 4 of the second fin group 2 is improved.
In some optional embodiments, further, as shown in fig. 1, the wind direction of the first fan 5 and the second fan 6 is the same as the wind channel direction of the first fin group 1 and the second fin group 2.
In the embodiment, the wind resistance is small when the wind flows in the same direction as the air duct of the fins, and the wind flow disturbance among the fins is increased.
In some optional embodiments, further, the finned heat sink further comprises a control system;
the first fan 5 and the second fan 6 are respectively connected with the control system, and the control system controls the rotating speed and the starting and stopping of the first fan 5 and the second fan 6.
Furthermore, the first fin group 1 and the third fin group 3 are respectively provided with a temperature sensor, the temperature sensors respectively send detected temperature values to the control system, and the control system judges and controls the rotating speed or start and stop of the first fan 5 and the second fan 6 according to preset temperature values.
In the embodiment, two centrifugal or frameless axial fans, namely the first fan 5 and the second fan 6, are the same control system, sensors are arranged on the base 4 and the fins of the radiator, and when the refrigeration system is started, the two fans work at the same time with the maximum efficiency, so that the rapid cooling of the refrigeration cabinet body is realized; when the temperature of the cabinet body reaches the set temperature and is stable, the rotating speeds of the two fans can be reduced according to the environmental temperature control, so that the energy is saved and the efficiency is improved by controlling the speed change of the two fans.
According to a second aspect of the embodiments of the present invention, there is provided a cabinet refrigerator;
in some optional embodiments, the refrigerator cabinet comprises any one of the finned heat sinks described in any optional implementation above.
The refrigeration cabinet machine that the second aspect provided has the fin radiator that the first aspect provided, consequently has the whole beneficial effect of the fin radiator that the first aspect provided, and it is not repeated here.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention. Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the claims above, any of the claimed embodiments may be used in any combination. The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.

Claims (10)

1. A fin radiator, comprising; the fan comprises a base, a first fin group, a second fin group, a third fin group, a first fan and a second fan;
the second fin group is fixed on the base, the first fin group and the third fin group are respectively fixed on two sides of the base, and the first fin group and the third fin group are respectively communicated with the second fin group through heat pipes; the first fin group and the third fin group are respectively provided with a groove, the first fan is arranged in the groove of the first fin group, and the second fan is arranged in the groove of the second fin group.
2. The finned heat sink of claim 1,
and a plurality of through air holes are respectively formed in the fins of the first fin group and the third fin group.
3. The finned heat sink of claim 2,
the second fin group comprises two fin groups arranged at intervals, and the two fin groups are respectively communicated with the first fin group and the third fin group through the heat pipes.
4. The finned heat sink of claim 3,
the first fan and the second fan are respectively a centrifugal fan or an axial flow fan; or
The first fan is an axial fan, and the second fan is a centrifugal fan; or
The first fan is a centrifugal fan, and the second fan is an axial fan.
5. The finned heat sink of claim 3,
the second fin group comprises a plurality of fins which are arranged at intervals and arrayed in the horizontal direction, and the fins of the first fin group and the third fin group are perpendicular to the fins of the second fin group, so that wind passing through the element number through the ventilation holes increases wind flow disturbance of the second fin group.
6. The finned heat sink of claim 3,
the uppermost ends of the second fin groups and the uppermost ends of the first fin groups and the third fin groups are positioned on the same plane.
7. The finned heat sink of claim 1,
the flow direction of wind of the first fan and the second fan is the same as the air channel direction of the first fin group and the second fin group.
8. The finned heat sink of any one of claims 1-7 further comprising a control system;
the first fan and the second fan are respectively connected with the control system, and the control system controls the rotating speed and the starting and stopping of the first fan and the second fan.
9. The finned heat sink of claim 8,
the first fin group and the third fin group are respectively provided with a temperature sensor, the temperature sensors respectively send detected temperature values to the control system, and the control system judges and controls the rotating speed or the starting and stopping of the first fan and the second fan according to preset temperature values.
10. A cabinet cooler, characterized by comprising the finned heat sink of any one of claims 1-9.
CN201811544995.2A 2018-12-17 2018-12-17 Fin radiator and refrigeration cabinet machine Pending CN111326487A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811544995.2A CN111326487A (en) 2018-12-17 2018-12-17 Fin radiator and refrigeration cabinet machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811544995.2A CN111326487A (en) 2018-12-17 2018-12-17 Fin radiator and refrigeration cabinet machine

Publications (1)

Publication Number Publication Date
CN111326487A true CN111326487A (en) 2020-06-23

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5864465A (en) * 1997-11-04 1999-01-26 Liu; Michael Device for cooling central processing units
CN205278803U (en) * 2015-12-30 2016-06-01 青岛日月科技发展有限公司 Supplementary heat dissipation LED lamp of fan
CN107796140A (en) * 2016-08-31 2018-03-13 青岛海尔智能技术研发有限公司 Hot junction heat-exchanger rig and semiconductor refrigerating equipment for semiconductor refrigerating equipment
CN108397935A (en) * 2017-12-22 2018-08-14 青岛海尔智能技术研发有限公司 Heat-exchanger rig and semiconductor refrigerating equipment with the heat-exchanger rig
CN108800655A (en) * 2017-04-28 2018-11-13 青岛海尔特种电冰柜有限公司 Semiconductor cooling device
CN108800703A (en) * 2017-04-28 2018-11-13 青岛海尔特种电冰柜有限公司 Semiconductor refrigerating equipment

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5864465A (en) * 1997-11-04 1999-01-26 Liu; Michael Device for cooling central processing units
CN205278803U (en) * 2015-12-30 2016-06-01 青岛日月科技发展有限公司 Supplementary heat dissipation LED lamp of fan
CN107796140A (en) * 2016-08-31 2018-03-13 青岛海尔智能技术研发有限公司 Hot junction heat-exchanger rig and semiconductor refrigerating equipment for semiconductor refrigerating equipment
CN108800655A (en) * 2017-04-28 2018-11-13 青岛海尔特种电冰柜有限公司 Semiconductor cooling device
CN108800703A (en) * 2017-04-28 2018-11-13 青岛海尔特种电冰柜有限公司 Semiconductor refrigerating equipment
CN108397935A (en) * 2017-12-22 2018-08-14 青岛海尔智能技术研发有限公司 Heat-exchanger rig and semiconductor refrigerating equipment with the heat-exchanger rig

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Application publication date: 20200623