CN1107565A - 磁致冷机 - Google Patents
磁致冷机 Download PDFInfo
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- CN1107565A CN1107565A CN94102038A CN94102038A CN1107565A CN 1107565 A CN1107565 A CN 1107565A CN 94102038 A CN94102038 A CN 94102038A CN 94102038 A CN94102038 A CN 94102038A CN 1107565 A CN1107565 A CN 1107565A
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- Prior art keywords
- chiller
- magnet
- refrigeration
- space
- paramagnetic salt
- Prior art date
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- 230000005291 magnetic effect Effects 0.000 title claims abstract description 19
- 150000003839 salts Chemical class 0.000 claims abstract description 21
- 230000005298 paramagnetic effect Effects 0.000 claims abstract description 12
- 239000003507 refrigerant Substances 0.000 claims abstract description 11
- 238000005057 refrigeration Methods 0.000 claims description 22
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 229920006395 saturated elastomer Polymers 0.000 claims description 3
- WYILSNIHBGSXRY-UHFFFAOYSA-N N.[V+5].[Fe+2] Chemical group N.[V+5].[Fe+2] WYILSNIHBGSXRY-UHFFFAOYSA-N 0.000 claims description 2
- 230000009471 action Effects 0.000 claims description 2
- 230000017525 heat dissipation Effects 0.000 claims description 2
- 239000001307 helium Substances 0.000 claims description 2
- 229910052734 helium Inorganic materials 0.000 claims description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 2
- 239000011229 interlayer Substances 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 238000012216 screening Methods 0.000 claims description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical group [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims 1
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims 1
- 229910052804 chromium Inorganic materials 0.000 claims 1
- 239000011651 chromium Substances 0.000 claims 1
- 235000011164 potassium chloride Nutrition 0.000 claims 1
- 239000001103 potassium chloride Substances 0.000 claims 1
- 229910052720 vanadium Inorganic materials 0.000 claims 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims 1
- 239000002355 dual-layer Substances 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 10
- 230000005347 demagnetization Effects 0.000 description 5
- 230000005415 magnetization Effects 0.000 description 4
- 230000008676 import Effects 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229940037003 alum Drugs 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- -1 chromium potassium vanadium Chemical compound 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- F25B2321/002—Details of machines, plants or systems, using electric or magnetic effects by using magneto-caloric effects
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
Landscapes
- Containers, Films, And Cooling For Superconductive Devices (AREA)
Abstract
本发明是一种依据磁热力学原理设计的磁致冷
装置，由可控致冷磁体及电磁热阀组成驱动元件，置
于可控致冷磁体磁场中的顺磁盐一端为与致冷空间
相连的冷腔，另一端通冷剂容器，磁致冷装置的壳体
为充填冷剂饱和蒸汽的双层隔热体，通过调控磁化及
隔热退磁时间，可将致冷空间的热量经由电磁热阀及
致冷磁体导入冷剂容器排入环境空间实现无污染，无
噪声及低功耗致冷。
Description
本发明涉及致冷装置。
现有致冷装置大都采用压缩机使工质循环，通过工质的膨胀蒸发和冷凝将致冷空间的热量传至环境空间，达到降温致冷的目的。利用半导体材料的致冷特性研制的半导体电子式致冷装置也见报导。但是，压缩式致冷装置，无论是采用往复式压缩机还是转子式压缩机，其噪声和功耗都较高，影响推广使用。
本发明的目的是提供一种依据磁热力学原理，具有低噪声、节能、高效之优点的致冷装置。
为完成发明目的而提出的技术方案根据热力学之磁热效应，即磁场使铁磁盐类充磁，然后绝热退磁，可使物体的温度降低从而达到热交换即致冷的目的。本发明磁致冷装置的主体是由可控致冷磁体和电磁热阀组成的驱动元件以及置于可控致冷磁体磁场中的顺磁盐，顺磁盐可选用铁铵钒、铬钾钒或含铁且居里温度较低的明矾。顺磁盐一端通往与致冷空间相连的冷腔、顺磁盐另一端经电磁热阀与冷剂容器相通、冷剂容器有散热元件置于环境空间。磁致冷装置的壳体为具有无磁屏蔽作用的双层壳，可采用铜、铝、玻璃、不锈钢或其它透磁率高的合金。双层壳层间充填冷剂饱和蒸汽。冷剂可采用无毒、无污染的液态氩、氦或氮等。致冷磁体可使用硅钢片，但以使用超导磁体为最好，以产生足够高的磁场强度（0.5-2T）。
以下结合附图实施例详细描述本发明。
图1为本发明实施例磁致冷装置示意图。
如图1所示，磁致冷装置一端是内有蓄冷块2的冷腔19，冷腔19及蓄冷块2通过吸热板1与致冷空间20连接。置于可控致冷磁体6磁场中的冷盐8盛放在冷盐盒7与冷盐盒盖9之中，一侧经过电磁热阀5通冷腔19，另一侧经过电磁热阀11通冷剂容器15。电磁热阀5由磁体4控制，电磁热阀11由磁体10控制。致冷装置由外壳13和内壳12组成双层壳体，外壳13和内壳12之间充填液氮饱和蒸汽3，使装置内与外界隔热，防止外界热量导入而降低致冷效率。冷剂容器15内有饱和蒸汽嘴14与电磁热阀11相连，有灌液氮嘴16穿过内壳12和外壳13再穿过散热板17后被灌液氮嘴盖18封闭。磁致冷装置启动后，如传感器测得致冷空间20之温度高于所需温度，控制器则通过磁体10开通电磁热阀11，通过磁体4关闭电磁热阀5，同时导通可控致冷磁体6，冷盐盒7内的冷盐被磁化，产生磁化热，磁化热经开通的电磁热阀11传入冷剂容器15，延时一段时间后，控制器通过磁体10关闭电磁热阀11，同时切断可控致冷磁体6，进行绝热退磁，冷盐8的温度大大降低。此过程延时一段时间后，控制器导通电磁热阀5，继续绝热退磁，使冷腔19内的热量几乎等温地经电磁热阀5抽入冷盐8。延时一段时间后，控制器再将电磁热阀5关闭，同时导通可控致冷磁体6，将冷盐8磁体升温至起始温度。如此循环，使致冷空间20的热量导入冷剂容器15，再经散热片17导入环境空间，达到使致冷空间降温的目的。本发明磁致冷装置的磁化和退磁时间由控制器操纵，控制器可以是机械或电子定时器，也可用单片机进行逻辑控制。
磁致冷装置可用于电冰箱、空调器等各种致冷机械，具有不污染环境，无噪声（仅为40分贝）的优点。特别是磁致冷装置的耗电仅为对顺磁冷盐的磁化和电磁热阀的吸合瞬间。此一时间宽度很窄，且较绝热退磁时间宽度小很多，即所谓占空比很小，因此节电效果尤为明显，其成本价格亦明显低于现有压缩式致冷装置。
Claims (8)
1、一种致冷装置，一端与致冷空间相连，另一端与环境空间相连，其特征在于所说的致冷装置的主体是由可控致冷磁体和电磁热阀组成的驱动元件以及置于可控致冷磁体磁场中的顺磁盐，顺磁盐一端通往与致冷空间相连的冷腔，顺磁盐另一端经电磁热阀与冷剂容器相通，冷剂容器有散热元件置于环境空间。
2、根据权利要求1所述的致冷装置，其特征在于所说的致冷装置的壳体为具有无磁屏蔽作用的双层壳，双层壳层间充填冷剂饱和蒸汽。
3、根据权利要求1或2所述的致冷装置，其特征在于所说的顺磁盐是铁铵钒。
4、根据权利要求1或2所述的致冷装置，其特征在于所说的顺磁盐是铬钾盐。
5、根据权利要求1或2所述的致冷装置，其特征在于所说的顺磁盐是含铁且居里温度低的明钒。
6、根据权利要求1或2所述的致冷装置，其特征在于所说的冷剂是液氮。
7、根据权利要求1或2所述的致冷装置，其特征在于所说的冷剂是液氦。
8、根据权利要求1或2所述的致冷装置，其特征在于所说的可控致冷磁体是超导磁体。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94102038A CN1107565A (zh) | 1994-02-25 | 1994-02-25 | 磁致冷机 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94102038A CN1107565A (zh) | 1994-02-25 | 1994-02-25 | 磁致冷机 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1107565A true CN1107565A (zh) | 1995-08-30 |
Family
ID=5030480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94102038A Pending CN1107565A (zh) | 1994-02-25 | 1994-02-25 | 磁致冷机 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1107565A (zh) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100368742C (zh) * | 2004-10-28 | 2008-02-13 | 四川大学 | 一种自然对流换热式室温磁制冷装置 |
| CN100412467C (zh) * | 2000-08-09 | 2008-08-20 | 美国宇航公司 | 旋转床磁制冷装置 |
| CN100432574C (zh) * | 2004-09-10 | 2008-11-12 | 南京大学 | 一种用于磁制冷的永磁电控动态磁路的方法和装置 |
| CN112044537A (zh) * | 2020-09-11 | 2020-12-08 | 文辉 | 一种胶体磨用磨削组件 |
| CN112050113A (zh) * | 2020-09-21 | 2020-12-08 | 郑秧 | 一种隔爆型防爆led灯 |
-
1994
- 1994-02-25 CN CN94102038A patent/CN1107565A/zh active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100412467C (zh) * | 2000-08-09 | 2008-08-20 | 美国宇航公司 | 旋转床磁制冷装置 |
| CN100432574C (zh) * | 2004-09-10 | 2008-11-12 | 南京大学 | 一种用于磁制冷的永磁电控动态磁路的方法和装置 |
| CN100368742C (zh) * | 2004-10-28 | 2008-02-13 | 四川大学 | 一种自然对流换热式室温磁制冷装置 |
| CN112044537A (zh) * | 2020-09-11 | 2020-12-08 | 文辉 | 一种胶体磨用磨削组件 |
| CN112050113A (zh) * | 2020-09-21 | 2020-12-08 | 郑秧 | 一种隔爆型防爆led灯 |
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| C06 | Publication | ||
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