CN104613671A - Cylindrical active regenerator - Google Patents
Cylindrical active regenerator Download PDFInfo
- Publication number
- CN104613671A CN104613671A CN201510092455.5A CN201510092455A CN104613671A CN 104613671 A CN104613671 A CN 104613671A CN 201510092455 A CN201510092455 A CN 201510092455A CN 104613671 A CN104613671 A CN 104613671A
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- CN
- China
- Prior art keywords
- segment
- regenerator
- column type
- fan
- groove
- 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.)
- Granted
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Classifications
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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
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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
- 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
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- 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]
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Separation By Low-Temperature Treatments (AREA)
Abstract
The invention discloses a cylindrical active regenerator and provides a regenerator which is high in heat exchange efficiency and can avoid magnetic flux leakage. The cylindrical active regenerator comprises a cylindrical housing and a regenerator body, wherein the regenerator body comprises an integrated central cylinder and a plurality of fan-shaped bodies identical in size and shape; the fan-shaped bodies are uniformly arranged around the central cylinder radially to form a cylindrical shape; a plurality of hollow grooves are formed in each fan-shaped body radially; the hollow groove closest to a central shaft is collinear with the central cylinder; cylindrical supporting bulges protruding out of end surfaces on which the fan-shaped bodies are positioned are arranged at two ends of the central cylinder in an axial direction; fixed grooves matched with the supporting bulges are formed in two end surfaces in the housing respectively, and a heat insulation material is arranged between each supporting bulge and the corresponding fixed groove; a fluid inlet and a fluid outlet are formed in the housing respectively and over against gaps between the adjacent fan-shaped bodies respectively. The regenerator reduces flow resistance of a heat exchange fluid, improves the heat exchange efficiency, and avoids magnetic flux leakage and heat loss.
Description
Technical field
The present invention relates to room temperature refrigeration technology field, in particular, relate to a kind of column type active magnetic regenerator device for reciprocating room temperature magnetic refrigerating machine.
Background technology
Along with magnetic Refrigeration Technique is at the development in room temperature field, its core component active magnetic regenerator device obtains research and development energetically.Active magnetic regenerator device in running constantly experience add magnetic and demagnetization, be heat energy by changes mechanical energy under magnetic fields, between moving period, heat-transfer fluid flows through regenerator, with regenerator generation heat exchange, and finally completes the exchange of same Cooling and Heat Source and realizes kind of refrigeration cycle.
At present, active magnetic regenerator device can be divided into rotary and reciprocating by the method for operation.Wherein, rotary AMR is stable, and rotating speed is very fast, but complicated structure; Reciprocating AMR structure is simple, successful when refrigerating capacity is less.Square AMR and column type AMR can be divided into by structure.But no matter which kind of structure, the problems such as heat transfer effect is poor, and heat exchanging fluid retention volume is large, and the leakage field phenomenon caused because rubbing seriously and heat exchanging fluid flow resistance is large all directly affect the raising of active magnetic regenerator device performance and magnetic refrigerating system refrigerating capacity.
Summary of the invention
The object of the invention is the technological deficiency for existing in prior art, and provide a kind of heat exchange efficiency high, the column type active magnetic regenerator device of leakage field can be avoided.
The technical scheme adopted for realizing object of the present invention is:
A kind of column type active magnetic regenerator device, comprise Cylinder Shell and cold storage body, described cold storage body comprises the newel of one and multiple size, the identical segment of shape, described multiple segment radially evenly arranges formation column type around described newel, equidistantly arrange between adjacent described segment, each described segment inside is disposed radially multiple groove through corresponding described segment, near described groove and the described newel conllinear at central shaft position, make to be communicated with near the described groove in multiple segments at central shaft position, axially there is being the support protrusion of the column type of outstanding multiple described segment places end face at described newel two ends, described enclosure interior both ends of the surface are respectively arranged with the holddown groove matched with described support protrusion, are provided with heat-insulating material between each described support protrusion and corresponding holddown groove, described housing is respectively arranged with fluid inlet and fluid issuing, described fluid inlet and fluid issuing are respectively just to the space between adjacent described segment, described cold storage body is magnetocaloric material, and described Cylinder Shell is non-magnetocaloric material.
Described heat-insulating material is have thermal insulation, the aluminum silicate fibre product of filling and fixation, glass wool product or asbestos.
Described magnetocaloric material adopts gadolinium (Gd) and metallic compound thereof.
Compared with prior art, the invention has the beneficial effects as follows:
1, the cold storage body in active magnetic regenerator device of the present invention is column type, and when heat exchanging fluid flows through, resistance reduces.
2, the cold storage body in active magnetic regenerator device of the present invention forms through overall processing, near groove and the newel conllinear at central shaft position, make to be communicated with near the groove in multiple segments at central shaft position, can not dead angle be there is, heat exchanging fluid flows through, without retention volume.
3, the cold storage body in active magnetic regenerator device of the present invention is provided with multiple groove, makes it fully contact with heat exchanging fluid, improve heat exchange amount, thus improve heat exchange efficiency.
4, the cold storage body two ends in active magnetic regenerator device of the present invention are coordinated with housing by heat-insulating material, and there is certain interval between cold storage body and Both, decrease friction, avoid the generation of leakage field.
Accompanying drawing explanation
Figure 1 shows that the structural representation of the cold storage body part of column type active magnetic regenerator device of the present invention;
Figure 2 shows that the structural representation of the housing of column type active magnetic regenerator device of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
The schematic diagram of column type active magnetic regenerator device of the present invention as shown in Figure 1 and Figure 2, comprises Cylinder Shell and cold storage body.Described cold storage body comprises newel 2 and multiple size, the identical segment 3 of shape of one, described multiple segment 3 radially evenly arranges formation column type around described newel 2, equidistantly arrange between adjacent described segment 3, each described segment 3 inside is disposed radially multiple groove 1 through corresponding described segment 3, near described groove 1 and described newel 2 conllinear at central shaft position, make to be communicated with near the described groove 1 in multiple segments at central shaft position.Axially there is being the support protrusion of the column type of outstanding multiple described segment 3 places end face at described newel 2 two ends.Described enclosure interior both ends of the surface are respectively arranged with the holddown groove 6 matched with described support protrusion, are provided with heat-insulating material between each described support protrusion and corresponding holddown groove 6.Described housing is respectively arranged with fluid inlet 4 and fluid issuing 5, described fluid inlet 4 and fluid issuing 5 are respectively just to the space between adjacent described segment 3.Described cold storage body is magnetocaloric material, and described Cylinder Shell is non-magnetocaloric material.
Described heat-insulating material is have thermal insulation, the aluminum silicate fibre product of filling and fixation, glass wool product or asbestos.
Described magnetocaloric material adopts gadolinium (Gd) and metallic compound thereof.
Groove in described each segment, except not necessarily wanting one_to_one corresponding near except central shaft position, suitably can stagger good according to production requirement and heat transfer requirements.
In refrigeration systems, active magnetic regenerator device of the present invention, under the effect of extraneous mechanical force, constantly passes in and out magnetic field, and corresponding heat exchanging fluid also continues to flow through cold storage body.Heat exchanging fluid enters between adjacent segment from fluid inlet, due between two adjacent segments without flow blind angle, heat exchanging fluid is flowed in housing by the groove in segment, and carries out heat exchange between segment, afterwards, flows out from fluid issuing.The present invention adopts the design of cylindrical structure to reduce the flow resistance of heat exchanging fluid, and the design of segment and groove increases heat exchange area, improves heat exchange efficiency.Column type holddown groove and center shaft design, decrease contact area and the coefficient of heat transfer of cold storage body and housing, avoids the generation of leakage field and the loss of heat.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (3)
1. a column type active magnetic regenerator device, it is characterized in that, comprise Cylinder Shell and cold storage body, described cold storage body comprises the newel of one and multiple size, the identical segment of shape, described multiple segment radially evenly arranges formation column type around described newel, equidistantly arrange between adjacent described segment, each described segment inside is disposed radially multiple groove through corresponding described segment, near described groove and the described newel conllinear at central shaft position, make to be communicated with near the described groove in multiple segments at central shaft position, axially there is being the support protrusion of the column type of outstanding multiple described segment places end face at described newel two ends, described enclosure interior both ends of the surface are respectively arranged with the holddown groove matched with described support protrusion, are provided with heat-insulating material between each described support protrusion and corresponding holddown groove, described housing is respectively arranged with fluid inlet and fluid issuing, described fluid inlet and fluid issuing are respectively just to the space between adjacent described segment, described cold storage body is magnetocaloric material, and described Cylinder Shell is non-magnetocaloric material.
2. column type active magnetic regenerator device according to claim 1, is characterized in that, described heat-insulating material is have thermal insulation, the aluminum silicate fibre product of filling and fixation, glass wool product or asbestos.
3. column type active magnetic regenerator device according to claim 1, is characterized in that, described magnetocaloric material adopts gadolinium and metallic compound thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510092455.5A CN104613671B (en) | 2015-03-02 | 2015-03-02 | Column type active magnetic regenerator device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510092455.5A CN104613671B (en) | 2015-03-02 | 2015-03-02 | Column type active magnetic regenerator device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104613671A true CN104613671A (en) | 2015-05-13 |
| CN104613671B CN104613671B (en) | 2016-08-31 |
Family
ID=53148244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510092455.5A Expired - Fee Related CN104613671B (en) | 2015-03-02 | 2015-03-02 | Column type active magnetic regenerator device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104613671B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105865113A (en) * | 2016-06-05 | 2016-08-17 | 山东商业职业技术学院 | Mechanical quick cool storage system based on quick rotating heat transfer enhancement |
| CN107735628A (en) * | 2015-06-19 | 2018-02-23 | 巴斯夫欧洲公司 | Improved filling screen type magnetic thermal element |
| WO2020259488A1 (en) * | 2019-06-26 | 2020-12-30 | 海尔智家股份有限公司 | Method for manufacturing heat accumulator |
-
2015
- 2015-03-02 CN CN201510092455.5A patent/CN104613671B/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107735628A (en) * | 2015-06-19 | 2018-02-23 | 巴斯夫欧洲公司 | Improved filling screen type magnetic thermal element |
| CN105865113A (en) * | 2016-06-05 | 2016-08-17 | 山东商业职业技术学院 | Mechanical quick cool storage system based on quick rotating heat transfer enhancement |
| WO2020259488A1 (en) * | 2019-06-26 | 2020-12-30 | 海尔智家股份有限公司 | Method for manufacturing heat accumulator |
| CN113994158A (en) * | 2019-06-26 | 2022-01-28 | 海尔智家股份有限公司 | Method for producing heat accumulator |
| CN113994158B (en) * | 2019-06-26 | 2024-04-09 | 海尔智家股份有限公司 | Method for manufacturing heat accumulator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104613671B (en) | 2016-08-31 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170615 Address after: 510000 No. 49, Huaxia Road, Tianhe District, Guangdong, Guangzhou, 2708 Patentee after: Guangzhou Lin Lin Air Conditioning Engineering Co., Ltd. Address before: 300134 Beichen District, Tianjin Jin Road East Side Patentee before: Tianjin University Of Commerce |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20180302 |