WO2017036282A1 - 一种用于循环冷却系统的风冷半导体制冷装置 - Google Patents

一种用于循环冷却系统的风冷半导体制冷装置 Download PDF

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WO2017036282A1
WO2017036282A1 PCT/CN2016/094309 CN2016094309W WO2017036282A1 WO 2017036282 A1 WO2017036282 A1 WO 2017036282A1 CN 2016094309 W CN2016094309 W CN 2016094309W WO 2017036282 A1 WO2017036282 A1 WO 2017036282A1
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heat
semiconductor
semiconductor refrigerating
heat exchange
exchange device
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PCT/CN2016/094309
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English (en)
French (fr)
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王桂芬
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柳熠
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Publication of WO2017036282A1 publication Critical patent/WO2017036282A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B21/00—Machines, plants or systems, using electric or magnetic effects
    • F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2321/00—Details of machines, plants or systems, using electric or magnetic effects
    • F25B2321/02—Details of machines, plants or systems, using electric or magnetic effects using Peltier effects; using Nernst-Ettinghausen effects

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  • Embodiments of the present invention relate to the field of semiconductor refrigeration technologies, and in particular, to an air-cooled semiconductor refrigeration device for a circulating cooling system.
  • a known semiconductor refrigerating sheet is connected by a semiconductor N-type (hereinafter referred to as N-type) and a semiconductor P-type (hereinafter referred to as a P-type) via wires, and is bonded to N by two heat-conducting bodies (generally electrically insulating ceramic sheets). Both ends of the type and P type.
  • N-type and P-type heat-dissipating surfaces are radiated to the outside through the corresponding heat-conducting body, and the heat absorbed by the N-type and P-type heat-absorbing surfaces is absorbed by the heat conductor to the outside.
  • the N-type and P-type heat absorbing surfaces have a cooling function.
  • the efficiency of the semiconductor refrigerator is low because the heat dissipation surface and the heat absorption surface of the N-type and P-type are connected to the heat conductor only by one end surface, resulting in a small heat transfer area; and the heat dissipation surfaces and suction of the N-type and P-type The hot faces are placed in the same space, which in turn causes the heat between the heat dissipating surface and the heat absorbing surface to interfere with each other.
  • a semiconductor circulating refrigeration system includes a semiconductor refrigeration device 710 and a heat sink connected to a heat source 76 through a water circulation pipeline, and a circulating water pump 78 is further disposed on the water circulation pipeline for the semiconductor circulating refrigeration system.
  • the semiconductor refrigerating device 710 generally includes: a semiconductor cooling fin group 71 opposite to the two heat absorbing surfaces, and a change The heater 72, the metal radiator 73, the axial fan 74, and the like.
  • the middle portion of the semiconductor refrigerating sheet group 71 is a heat exchanger 72.
  • the heat exchanger 72 has two heat absorbing surfaces 711 of the semiconductor refrigerating sheet group 71 on both sides, and the two layers of the semiconductor refrigerating sheet group 71 are metal radiators 73.
  • the heat transfer medium for cooling by the heat source 75 is cooled and cooled by the circulation pump flowing through the heat exchanger 72, and the heat of the heat radiating surface of the semiconductor refrigerant chip group 71 is dissipated by the metal heat sink 73 and the axial flow fan 74.
  • the refrigerator has the following drawbacks: the heat dissipating surface of the semiconductor refrigerating sheet group 71 in the semiconductor refrigerating apparatus is dissipated by the metal radiator 73 and the axial fan 74, and the metal radiator 73 is bulky, and the heat dissipating surface of the semiconductor refrigerating sheet group 71
  • the area accessible for heat exchange is limited.
  • the metal heat sink 73 is disposed in parallel on both sides, and it is difficult to form a heat dissipation air passage.
  • the number of semiconductor refrigerating sheets installed is limited, and it is not suitable to expand the cooling power of the system; the heat dissipation efficiency of the metal radiator 73 is low, which seriously affects the cooling efficiency of the semiconductor refrigerating sheet (40%-60% cooling energy efficiency ratio); the overall volume of the refrigerator is large and installed. The location is limited by the cooling air duct, which is inconvenient to install and wastes space.
  • the technical problem to be solved by the embodiments of the present invention is how to install a plurality of semiconductor refrigerating sheets in a certain space and improve the cooling energy efficiency ratio.
  • an embodiment of the present invention provides an air-cooled semiconductor refrigeration device for a circulating cooling system, including:
  • the heat exchange device is a polygonal prism, and the heat exchange device is provided with a circulating heat conductive medium;
  • a side of the polygonal prism is attached with a semiconductor refrigerating layer, and a heat absorbing surface of the semiconductor refrigerating layer is adjacent to a side of the polygonal prism;
  • the heat dissipation surface of the semiconductor refrigeration layer is provided with a heat dissipation device.
  • the semiconductor refrigerating layer is a plurality of semiconductor cooling fins on a side of the polygonal prism.
  • the width of the semiconductor refrigeration sheet is slightly smaller than the width of the side of the polygonal prism.
  • the semiconductor refrigerating layer is distributed in a ring shape on a side of the polygonal prism.
  • the heat exchange device is hollow, and the heat-dissipating circulating device is provided with a recyclable heat-conducting medium.
  • the heat exchange device is hollow, the heat exchange device has a pipe wall of a predetermined thickness, and a labyrinth is disposed in the pipe wall;
  • the heat exchange device further includes an end cover covering the two ends of the heat exchange device body;
  • the end cap and the labyrinth of the tube wall form a heat transfer medium circulation path.
  • the polygonal prism is a positive polygonal prism.
  • a boss is disposed on the edge of the polygonal prism.
  • the heat dissipating device comprises a heat sink attached to a heat dissipating surface of the semiconductor refrigerating layer, and the heat dissipating fin is disposed on the heat dissipating fin.
  • the heat sink further includes:
  • the heat dissipation fan is disposed at one end of the heat exchange device.
  • Two sets of cooling fans are disposed at two ends of the heat exchange device, and the two sets of cooling fans rotate in the same direction.
  • the air-cooled semiconductor refrigeration device for a circulating cooling system adopts a polygonal prism heat exchanger structure, which breaks through the limitation of installing a plurality of semiconductor refrigeration fins in a certain space in a conventional semiconductor refrigerator; While satisfying the large cooling power output, it has a higher cooling energy efficiency ratio; solves the problem of the heat dissipation air passage, improves the heat dissipation efficiency of the heat dissipation surface of the semiconductor refrigerator, and further ensures that the semiconductor refrigerator has a higher cooling energy efficiency ratio.
  • the embodiment of the invention not only has a compact structure, but also has a cooling energy efficiency ratio of 85%-120%, which is far higher than the refrigeration energy efficiency ratio of the conventional semiconductor refrigerator product, and has high economic and social benefits.
  • FIG. 1 is a schematic structural view of a heat exchange device in the prior art
  • FIG. 2 is a schematic view showing the overall structure of an air-cooled semiconductor refrigeration device according to an embodiment of the present invention
  • Figure 3 is an exploded perspective view of the air-cooled semiconductor refrigeration device shown in Figure 2;
  • FIG. 4 is a schematic structural view of a semiconductor refrigeration layer according to an embodiment of the present invention.
  • Figure 5 is a schematic view showing the assembled structure of the semiconductor refrigeration layer annulus and the heat exchange device
  • FIG. 6 is a schematic structural view of a heat exchange device according to an embodiment of the present invention.
  • FIG 7 is an exploded perspective view of the heat exchange device shown in Figure 6;
  • Figure 8 is an exploded perspective view of the air-cooled semiconductor refrigeration device shown in Figure 2;
  • Figure 9 is a cross-sectional view showing an air-cooled semiconductor refrigeration device according to an embodiment of the present invention.
  • FIG. 10 is an exploded perspective view of a heat dissipation device according to an embodiment of the present invention.
  • FIG. 11 is a schematic view showing the overall structure of an air-cooled semiconductor refrigeration device according to an embodiment of the present invention.
  • Figure 12 is an exploded perspective view of the air-cooled semiconductor refrigeration unit shown in Figure 11;
  • an embodiment of the present invention provides a semiconductor refrigeration device for a circulating cooling system.
  • the semiconductor refrigeration device includes: a heat exchange device 1, the heat exchange device 1 is a polygonal prism, and the heat exchange device 1 is provided with a circulating heat transfer medium; the side of the polygonal prism is attached with a semiconductor refrigeration layer 2, The heat absorbing surface of the semiconductor refrigerating layer is adjacent to the side surface of the polygonal prism; and the heat dissipating surface of the semiconductor refrigerating layer is provided with a heat dissipating device 3.
  • a semiconductor refrigeration apparatus for a circulating cooling system provided by an embodiment of the present invention will be described in detail below.
  • the semiconductor refrigerating layer 2 is a plurality of semiconductor refrigerating sheets 21 bonded to the side surface of the heat exchanging device 1.
  • the width of the semiconductor refrigerating sheet 21 is slightly smaller than the width of the side surface of the polygonal prism.
  • the semiconductor refrigerating layer 2 composed of the semiconductor refrigerating sheet 21 is distributed in a ring shape on the side surface of the polygonal prism.
  • the semiconductor refrigerating layer 2 includes a plurality of semiconductor refrigerating sheets 21, and the plurality of semiconductor refrigerating sheets 21 can be connected in series or in parallel according to power supply requirements or actual conditions.
  • the semiconductor refrigerating layer 2 composed of the plurality of semiconductor refrigerating sheets 21 forms a ring-shaped heat dissipating surface and an annular strip-shaped heat absorbing surface, and the heat dissipating surfaces of the plurality of semiconductor refrigerating sheets 21 are in the same direction (the heat absorbing surfaces of all the semiconductor refrigerating sheets) Or the heat dissipating surface is laid in the same direction to form an annular ribbon-shaped semiconductor refrigerating layer 2 having a large heat absorbing surface and a heat dissipating surface.
  • the semiconductor refrigerating layer takes into consideration the space and volume of the semiconductor refrigerating apparatus, and the semiconductor refrigerating sheet 21 can be arranged in a single row or in a plurality of rows. Accordingly, the area of the side surface of the heat exchange device 1 corresponding to the semiconductor refrigerating sheet needs to be adjusted according to the area of the heat absorbing surface of the semiconductor refrigerating layer 2. In order to increase the cooling efficiency absolutely and increase the energy efficiency ratio, it is preferable to make the area of the side surface of the heat exchange device the same as the area of the contact surface of the semiconductor refrigeration layer 10.
  • a heat sink 3 is provided on the heat radiating surface of the semiconductor refrigeration layer 2.
  • the contact surface of the semiconductor refrigeration sheet 21 and the heat exchange device is further coated with a thermal grease.
  • the contact surface of the semiconductor refrigerating sheet 21 and the heat sink is also coated with a thermal grease.
  • the heat exchange device 1 is hollow, and the heat-dissipating circulating device 1 is provided with a recyclable heat-conducting medium.
  • the heat exchange device has a pipe wall 11 of a predetermined thickness, and a labyrinth 15 is disposed in the pipe wall 11; a passage through which the heat transfer medium flows is formed between the adjacent labyrinths 15.
  • the heat exchange device 1 is further provided with a circulating medium inlet and a circulating medium outlet. The mass inlet and the circulating medium outlet are connected to the heat source through a heat exchange line.
  • the heat exchange device 1 further comprises end caps 12, 13 covering the two ends of the heat exchanger body; the end caps 12, 13 at the two ends are respectively fixed on the pipe wall 11, and the end caps 12, 13 form heat conduction with the labyrinth 15 in the pipe wall. Media circulation path.
  • a leak-proof pad is preferably further disposed between the end caps 12, 13 at both ends and the tube wall 11. Between the end caps 12, 13 at both ends and the tube wall 11, it is preferable to use a screw to press the leakproof pad so that the end caps 12, 13 and The labyrinth 15 in the tube wall 11 forms a sealed heat transfer medium circulation path.
  • a silicone pad for sealing is disposed between the end cap and the heat exchange device.
  • the recyclable heat transfer medium passing through the heat cycle device 1 may be an organic heat transfer medium or an inorganic heat transfer medium.
  • the heat transfer medium is preferably a heat transfer oil or water.
  • a boss 10 is provided on the edge of the heat exchange device 1. Two adjacent ribs 10 restrict the movement of the semiconductor refrigerating sheet 21.
  • the heat exchange device 1 is preferably a positive polygonal prism, such as a regular triangular prism, a regular quadrangular prism, a positive octagonal prism, a positive nine prism, a positive ten prism, and the like.
  • the heat exchange device 1 is a positive octagonal prism as a preferred example. It should be understood that other forms of prism-shaped heat exchange devices can also implement the embodiments of the present invention, and will not be further described herein. If the positive pentagonal prism is installed in a single row, five semiconductor cooling sheets can be installed, and in two or more rows, a larger number of semiconductor cooling sheets can be installed from 10 to 20. Breaking through the limitations of conventional semiconductor refrigerators in installing multiple semiconductor cooling fins in a certain space.
  • the heat sink 3 includes a heat sink 31 that is bonded to the heat radiating surface of the semiconductor refrigeration layer.
  • the heat sink is split into a plurality of pieces, and a heat sink 31 is disposed on the heat radiating surface of each of the semiconductor cooling sheets 21.
  • the number of fins 31 can be determined according to the number of semiconductor fins.
  • Heat sink fins 31 are disposed on the heat sink 31.
  • the outer edge of the heat sink 3 is preferably fastened by a hose clamp.
  • the heat sink 3 further includes a heat dissipation fan 4.
  • the cooling fans 4 are preferably two sets, and two sets of cooling fans 4 are disposed at both ends of the heat exchange device 1, and the two sets of cooling fans 4 rotate in the same direction to take away the heat on the heat sink 31.
  • a casing 5 is disposed outside the heat radiating fins of the heat sink 31.
  • the outer casing 5 is hollow, and both ends are provided with through holes close to the diameter of the fan.
  • the outer casing 5 is on the heat radiating fin of the heat sink 31. As shown in FIG.
  • a wind tunnel enclosing the fins is formed between the two sets of fans 4 and the outer casing 5, and the heat on the fins 31 is taken away when the fan 4 rotates.
  • Two sets of fans 4 are fixed to the outer casing 5 on.
  • a casing end cover 6 is disposed between the fan 4 and the outer casing, and the casing end cover 6 is further provided with a through hole for air circulation.
  • the air-cooled semiconductor refrigeration device for the circulating cooling system adopts a polygonal prism heat exchanger structure, and breaks through the limitation of installing a plurality of semiconductor refrigeration fins in a certain space in a conventional semiconductor refrigerator.
  • the semiconductor refrigerator has a higher cooling energy efficiency ratio while satisfying a larger cooling power output; improving the heat dissipation efficiency of the heat dissipation surface of the semiconductor refrigerator, and further ensuring a higher refrigeration energy efficiency ratio of the semiconductor refrigeration device.
  • the embodiment of the invention is not only compact but also easy to install. It also has a cooling energy efficiency ratio of 85%-120%, which is much higher than the refrigeration energy efficiency ratio of traditional semiconductor refrigerator products, and has high economic and social benefits. It can be applied to the refrigeration of equipment such as semiconductor laser processing equipment, laser medical equipment, laser testing equipment, biochemical equipment, desktop computers, servers, etc.
  • the orientation or positional relationship of the terms “upper”, “lower” and the like is based on the orientation or positional relationship shown in the drawings, and is merely for the convenience of the description of the invention and the simplified description, rather than indicating or implying that the device or component referred to must be It is to be understood that the invention is not limited by the specific orientation and construction and operation.
  • the terms “mounted,” “connected,” and “connected” are used in a broad sense, and may be, for example, a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection, It can also be an electrical connection; It can be directly connected or indirectly connected through an intermediate medium, which can be the internal connection between two components.
  • the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.
  • the air-cooled semiconductor refrigeration device for a circulating cooling system adopts a polygonal prism heat exchanger structure, which breaks through the limitation of installing a plurality of semiconductor refrigeration fins in a certain space in a conventional semiconductor refrigerator; While satisfying a large cooling power output, the utility model has a higher cooling energy efficiency ratio; improves the heat dissipation efficiency of the heat dissipation surface of the semiconductor refrigerator, and further ensures that the semiconductor refrigeration device has a higher cooling energy efficiency ratio.
  • the embodiment of the invention is not only compact but also easy to install. It also has a cooling energy efficiency ratio of 85%-120%, which is much higher than the refrigeration energy efficiency ratio of traditional semiconductor refrigerator products, and has high economic and social benefits. It can be applied to the refrigeration of equipment such as semiconductor laser processing equipment, laser medical equipment, laser test equipment, biochemical equipment, desktop computers, servers, etc., and has industrial applicability.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

提供一种用于循环冷却系统的风冷半导体制冷装置，包括：换热装置（1），换热装置（1）是多棱柱，换热装置（1）中通有循环的导热介质，多棱柱侧面贴有半导体制冷层（2），半导体制冷层（2）的吸热面靠近多棱柱的侧面，半导体制冷层（2）的散热面设置有散热装置（3）；采用多棱柱的换热器结构，突破传统半导体制冷器在一定空间内安装多片半导体制冷片（21）有数量的限制，使半导体制冷器在满足较大的制冷功率输出的同时，具有较高的能效比，不仅结构紧凑，安装方便，还具有较高的经济效益和社会效益。

Description

一种用于循环冷却系统的风冷半导体制冷装置
相关申请的交叉引用
本申请要求2015年9月2日提交的专利名称为“一种用于循环冷却系统的风冷半导体制冷装置”的第201510555736X号中国专利申请的优先权，这些专利申请的全部内容通过引用被结合于此。上述申请在此被引做参照。
技术领域
本发明实施例涉及半导体制冷技术领域，具体涉及一种用于循环冷却系统的风冷半导体制冷装置。
背景技术
目前，公知的半导体制冷片是由半导体N型(以下称N型)和半导体P型(以下称P型)经导线连接，用2片导热体(一般为电绝缘的陶瓷片)分别粘在N型和P型的两端面组成。半导体制冷片工作时，N型和P型的散热面所放出的热量，经相对应的导热体向外界散发，N型和P型的吸热面所需吸收的热量，经导热体向外界吸收，其N型和P型的吸热面就有了制冷的功能。但是半导体制冷器效率低，原因是：N型和P型的散热面和吸热面，仅一个端面与导热体相连接，导致热传递的面积小；而且N型和P型的散热面和吸热面被放置在同一个空间内，又导致了其散热面和吸热面之间的热量相互干扰。要想提高半导器的制冷效率，就需要尽可能使散热面温度低，散热面的热传导速度越快、散热效果越好，吸热面温度越高，吸热面的制冷效果就越好。
如图1所示，现有技术中，半导体循环制冷系统包括与热源76通过水循环管路连接的半导体制冷装置710和散热装置，在水循环管路上还设置循环水泵78，用于半导体循环制冷系统的半导体制冷装置710一般都包括：两层吸热面相对设置的半导体制冷片组71、换 热器72、金属散热器73、轴流风机74等。半导体制冷片组71中间部分为换热器72，换热器72两侧为两层半导体制冷片组71的吸热面711，两层半导体制冷片组71面为金属散热器73。经过热源75的冷却用导热介质，经循环泵流经换热器72被降温冷却，半导体制冷片组71散热面的热量由金属散热器73加轴流风机74被散掉。所述的制冷器有以下缺陷：半导体制冷装置中半导体制冷片组71的散热面靠金属散热器73加轴流风机74散热，而金属散热器73体积大，与半导体制冷片组71的散热面可接触进行热交换的面积有限。金属散热器73两侧平行设置，不易形成散热风道。另外安装半导体制冷片数量受限，不宜扩展系统制冷功率；金属散热器73散热效率低，严重影响半导体制冷片的制冷效率(40％-60％制冷能效比)；制冷器整体体积大，且安装位置受散热风道的限制，不便安装，浪费空间。
发明内容
本发明实施例要解决的技术问题是：如何在一定空间内安装多片半导体制冷片并提高制冷能效比。
为实现上述的发明实施例目的，本发明实施例提供了一种用于循环冷却系统的风冷半导体制冷装置，包括：
换热装置，所述换热装置是多棱柱，所述换热装置中通有循环的导热介质；
所述多棱柱侧面贴有半导体制冷层，所述半导体制冷层的吸热面靠近所述多棱柱的侧面；
所述半导体制冷层的散热面设置有散热装置。
可选地，所述半导体制冷层是在所述多棱柱侧面的多片半导体制冷片。
可选地，所述半导体制冷片的宽度略小于所述多棱柱侧面的宽度。
可选地，所述半导体制冷层呈环状分布在所述多棱柱侧面。
可选地，所述换热装置中空，所述散热循环装置中通有可循环的导热介质。
可选地，所述换热装置中空，所述换热装置有预定厚度的管壁，所述管壁内设置有迷宫格；
所述换热装置还包括盖合所述换热装置本体两端的端盖；
所述端盖与所述管壁的迷宫格形成导热介质循环通路。
可选地，所述多棱柱是正多棱柱。
可选地，所述多棱柱的棱上设置有凸台。
可选地，所述散热装置包括贴合在半导体制冷层散热面的散热片，所述散热片上设置有散热鳍片。
可选地，所述散热装置还包括：
一组散热风扇；
所述散热风扇设置在所述换热装置一端；或
两组散热风扇，所述两组散热风扇设置在所述换热装置两端，所述两组散热风扇同向转动。
本发明实施例提供的用于循环冷却系统的风冷半导体制冷装置，采用多棱柱换热器结构，突破传统半导体制冷器在一定空间内安装多片半导体制冷片有数量的限制；使半导体制冷器在满足较大的制冷功率输出的同时，具有较高的制冷能效比；解决了散热风道问题，提高半导体制冷器散热面的散热效率，进一步保证半导体制冷器较具有高的制冷能效比。本发明实施例不仅结构紧凑，安装方便还具有85％－120％的制冷能效比，远远高于传统的半导体制冷器产品制冷能效比，具有较高的经济效益和社会效益。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作一简单的介绍，显而易见地，下面描述中的附图是本发明的一些实施例，对于本领域普 通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是现有技术中换热装置结构示意图；
图2是本发明实施例风冷半导体制冷装置整体结构示意图；
图3是图2所示的风冷半导体制冷装置分解示意图；
图4是本发明实施例半导体制冷层结构示意图；
图5是半导体制冷层环带与换热装置组装结构示意图；
图6是本发明实施例换热装置结构示意图；
图7是图6所示的换热装置分解示意图；
图8是图2所示的风冷半导体制冷装置分解示意图；
图9是本发明实施例风冷半导体制冷装置截面示意图；
图10是本发明实施例散热装置分解示意图；
图11是本发明实施例风冷半导体制冷装置整体结构示意图；
图12是图11所示风冷半导体制冷装置分解示意图。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
如图2所示，本发明实施例提供一种用于循环冷却系统的半导体制冷装置。如图2、图3所示，该半导体制冷装置包括：换热装置1，换热装置1是多棱柱，换热装置1中通有循环的导热介质；多棱柱侧面贴有半导体制冷层2，半导体制冷层的吸热面靠近多棱柱的侧面；半导体制冷层的散热面设置有散热装置3。下面对本发明实施例提供的用于循环冷却系统的半导体制冷装置展开详细的说明。
如图4所示，半导体制冷层2是贴合在换热装置1侧面的多片半导体制冷片21。为进一步保证半导体制冷片21吸热面与换热装置1的侧面贴合，半导体制冷片21的宽度略小于多棱柱侧面的宽度。如图3、图4、图5所示，半导体制冷片21组成的半导体制冷层2呈环带状分布在多棱柱侧面。半导体制冷层2包括多片半导体制冷片21，多片半导体制冷片21可以根据电源要求或实际情况串联或并联。多片半导体制冷片21组成的半导体制冷层2形成一个环带状的散热面和一个环带状的吸热面，多片半导体制冷片21的散热面同向(所有半导体制冷片的吸热面或散热面在同一个方向)铺设形成具有较大吸热面和散热面的环带状半导体制冷层2。如图5所示，一般半导体制冷层考虑到半导体制冷装置安装的空间及体积大小，半导体制冷片21可以采用单排设置或多排设置。相应地，与半导体制冷片对应的换热装置1的侧面面积，均需要根据半导体制冷层2的吸热面的面积或做相应的调整。为了绝对的提高制冷效率，增加能效比，优选将换热装置侧侧面面积与半导体制冷层10的接触面的面积相同。在半导体制冷层2的散热面设置有散热装置3。在本发明实施例中，优选半导体制冷片21与换热装置的接触面上还涂有导热硅脂。半导体制冷片21与散热装置的接触面上也涂有导热硅脂。
如图6所示，换热装置1中空，散热循环装置1中通有可循环的导热介质。如图6、图7、图8所示，换热装置有预定厚度的管壁11，管壁11内设置有迷宫格15；相邻的迷宫15之间形成导热介质流过的通道。换热装置1上还设置有循环介质入口和循环介质出口。质入口和循环介质出口通过换热管路与热源连接。换热装置1还包括盖合换热装置本体两端的端盖12、13；两端的端盖12、13分别固定在管壁11上，端盖12、13与管壁内的迷宫格15形成导热介质循环通路。两端的端盖12、13与管壁11之间优选还设置有防漏垫。两端的端盖12、13与管壁11之间优选采用螺丝压紧防漏垫，使端盖12、13与 管壁11内的迷宫格15形成密封的导热介质循环通路。端盖与换热装置之间设置有有用于密封的硅胶垫。散热循环装置1中通的有可循环的导热介质可以是有机导热介质，也可以是无机导热介质。导热介质优选是导热油或水。为了保证半导体制冷片21贴合在换热装置1外侧时能准确快速对位，在换热装置1的棱上设置有凸台10。两条相邻的凸棱10限制半导体制冷片21活动。如图9所示，换热装置1优选是正多棱柱，例如正三棱柱、正四棱柱……正八棱柱、正九棱柱、正十棱柱等。本发明实施例中以换热装置1为正八棱柱为优选例详细说明，应当可以理解其它形式的棱柱形成的换热装置也可以实现本发明实施例，在此就不再一一赘述了。如果正五棱柱单排安装，可安装5片半导体制冷片，双排或多排安装，则可安装10至20片更多数量的半导体制冷片。突破传统半导体制冷器在一定空间内安装多片半导体制冷片有数量的限制。
如图2、图3、图8-图11所示，散热装置3包括贴合在半导体制冷层散热面的散热片31。优选将散热片拆分成多片，每片半导体制冷片21的散热面设置一片散热片31。散热片31的数量可以根据半导体制冷片的数量确定。散热片31上设置有散热鳍片。为了尽可能使散热片31靠紧贴合在半导体制冷片21的散热面，散热装置3的外缘优选采用喉箍扎紧。
如图11所示，为进一步提高散热效率，散热装置3还包括散热风扇4。散热风扇4优选是两组，两组散热风扇4设置在换热装置1两端，两组散热风扇4同向转动，将散热片31的上的热量带走。为了进一步保证两组散热风扇4尽可能多地带走散热片31上的热量，在散热片31的散热鳍片外还设置有外壳5。外壳5中空，两端开设有与风扇直径大小接近的通孔。外壳套5在散热片31的散热鳍片上。如图12所示，两组风扇4与外壳5之间形成包裹散热鳍片的风道，风扇4转动时将散热片31上的热量带走。两组风扇4固定在外壳5 上。风扇4与外壳之间设置有外壳端盖6，外壳端盖6上还设置有供空气流通的通孔。
综上所述，本发明实施例提供的用于循环冷却系统的风冷半导体制冷装置，采用多棱柱换热器结构，突破传统半导体制冷器在一定空间内安装多片半导体制冷片有数量的限制；使半导体制冷器在满足较大的制冷功率输出的同时，具有较高的制冷能效比；提高半导体制冷器散热面的散热效率，进一步保证半导体制冷装置具备较高的制冷能效比。本发明实施例不仅结构紧凑，而且安装方便。还具有85％－120％的制冷能效比，远远高于传统的半导体制冷器产品的制冷能效比，具有较高的经济效益和社会效益。可以应用于半导体激光加工设备、激光医疗设备、激光测试设备、生化仪器设备、台式计算机、服务器等领域设备的制冷。
需要说明的是，在本文中，诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。术语“上”、“下”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接； 可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。
本发明的说明书中，说明了大量具体细节。然而能够理解的是，本发明的实施例可以在没有这些具体细节的情况下实践。在一些实例中，并未详细示出公知的方法、结构和技术，以便不模糊对本说明书的理解。类似地，应当理解，为了精简本发明公开并帮助理解各个发明方面中的一个或多个，在上面对本发明的示例性实施例的描述中，本发明的各个特征有时被一起分组到单个实施例、图、或者对其的描述中。然而，并不应将该公开的方法解释呈反映如下意图：即所要求保护的本发明要求比在每个权利要求中所明确记载的特征更多的特征。更确切地说，如权利要求书所反映的那样，发明方面在于少于前面公开的单个实施例的所有特征。因此，遵循具体实施方式的权利要求书由此明确地并入该具体实施方式，其中每个权利要求本身都作为本发明的单独实施例。需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。本发明并不局限于任何单一的方面，也不局限于任何单一的实施例，也不局限于这些方面和/或实施例的任意组合和/或置换。而且，可以单独使用本发明的每个方面和/或实施例或者与一个或更多其他方面和/或其实施例结合使用。
最后应说明的是：以上各实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述各实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的范围，其均应涵盖在本发明的权利要求和说明书的范围当中。
工业实用性
本发明实施例提供的用于循环冷却系统的风冷半导体制冷装置，采用多棱柱换热器结构，突破传统半导体制冷器在一定空间内安装多片半导体制冷片有数量的限制；使半导体制冷器在满足较大的制冷功率输出的同时，具有较高的制冷能效比；提高半导体制冷器散热面的散热效率，进一步保证半导体制冷装置具备较高的制冷能效比。本发明实施例不仅结构紧凑，而且安装方便。还具有85％－120％的制冷能效比，远远高于传统的半导体制冷器产品的制冷能效比，具有较高的经济效益和社会效益。可以应用于半导体激光加工设备、激光医疗设备、激光测试设备、生化仪器设备、台式计算机、服务器等领域设备的制冷，具备工业实用性。

Claims (10)

  1. 一种用于循环冷却系统的风冷半导体制冷装置，其特征在于，包括：换热装置，所述换热装置是多棱柱，所述换热装置中通有循环的导热介质；
    所述多棱柱侧面贴有半导体制冷层，所述半导体制冷层的吸热面靠近所述多棱柱的侧面；
    所述半导体制冷层的散热面设置有散热装置。
  2. 如权利要求1所述的半导体制冷装置，其特征在于，所述半导体制冷层是在所述多棱柱侧面的多片半导体制冷片。
  3. 如权利要求2所述的半导体制冷装置，其特征在于，所述半导体制冷片的宽度略小于所述多棱柱侧面的宽度。
  4. 如权利要求1所述的半导体制冷装置，其特征在于，所述半导体制冷层呈环状分布在所述多棱柱侧面。
  5. 如权利要求1所述的半导体制冷装置，其特征在于，所述换热装置中空，所述散热循环装置中通有可循环的导热介质。
  6. 如权利要求5所述的半导体制冷装置，其特征在于，所述换热装置中空，所述换热装置有预定厚度的管壁，所述管壁内设置有迷宫格；
    所述换热装置还包括盖合所述换热装置本体两端的端盖；
    所述端盖与所述管壁的迷宫格形成导热介质循环通路。
  7. 如权利要求1所述的半导体制冷装置，其特征在于，所述多棱柱是正多棱柱。
  8. 如权利要求1所述的半导体制冷装置，其特征在于，所述多棱柱的棱上设置有凸台。
  9. 如权利要求1-8任意一项所述的半导体制冷装置，其特征在于，所述散热装置包括贴合在半导体制冷层散热面的散热片，所述散热片上设置有散热鳍片。
  10. 如权利要求9所述的半导体制冷装置，其特征在于，所述散热装置还包括：
    一组散热风扇；
    所述散热风扇设置在所述换热装置一端；或
    两组散热风扇，所述两组散热风扇设置在所述换热装置两端，所述两组散热风扇同向转动。
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