CN102493847B - Scroll expander generator and Rankine cycle thermoelectric conversion system - Google Patents
Scroll expander generator and Rankine cycle thermoelectric conversion system Download PDFInfo
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- CN102493847B CN102493847B CN 201110363398 CN201110363398A CN102493847B CN 102493847 B CN102493847 B CN 102493847B CN 201110363398 CN201110363398 CN 201110363398 CN 201110363398 A CN201110363398 A CN 201110363398A CN 102493847 B CN102493847 B CN 102493847B
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 15
- 238000010248 power generation Methods 0.000 claims description 32
- 239000000314 lubricant Substances 0.000 claims description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 239000006200 vaporizer Substances 0.000 claims description 10
- 230000001050 lubricating effect Effects 0.000 claims description 6
- 239000010687 lubricating oil Substances 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 20
- 238000010586 diagram Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000009183 running Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
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Abstract
The invention discloses a scroll expander generator and a Rankine cycle thermoelectric conversion system. The scroll expander generator comprises a shell, a fixed disc, a movable disc, an eccentric wheel, a main shaft, a bracket, a generator rotor and a generator stator. The shell is provided with an air inlet pipe and an air outlet pipe. The air inlet pipe is connected with an air intake of the fixed disc. The fixed disc is fixedly connected with the bracket. The side wall of the fixed disc is engaged with the side wall of the movable disc so as to form an expansion chamber. The movable disc is connected with the eccentric wheel through a bearing. The eccentric wheel is fixedly connected with the main shaft. The bracket is sleeved on the main shaft and is fixedly connected with the shell. The generator rotor is fixedly connected with the main shaft. The generator stator wraps the generator rotor and is fixedly connected with the shell. The Rankine cycle thermoelectric conversion system includes the scroll expander generator, an evaporator, an intermediate heat exchanger and a high-voltage low-temperature lubricating oil input device.
Description
Technical field
The present invention relates to generator techniques and technical field of thermoelectric conversion, be specifically related to a kind of vortex expansion power generation machine and Rankine cycle thermoelectric conversion system.
Background technique
The vortex technology is mainly used in swirl type cold compressor, scroll air compressor at present, and the superiority of scroll machine has obtained very significantly checking in above-mentioned application.Chinese patent 201010535281.2 has disclosed a kind of screw expansion generating set, can know in the use contrast of compressor field by screw rod mechanism and scroll machine, both characteristics have determined its using scope, screw rod mechanism is applicable to the device of large discharge capacity, and scroll machine is applicable to the device of middle small displacement.Comparatively speaking, scroll machine efficient is higher in middle small displacement scope, and vibration, noise is less.Be all scroll machine, scroll compressor is that flowing to of its working medium is different from the difference of scroll expander maximum, scroll compressor is after sucking gas by the peripheral vortex wall of vortex body, gas to be pushed toward the center portion, and the pressure that scroll expander can be entrained in being gas after the air inlet of heart section by gas itself promotes vortex body it is spread toward periphery.
With respect to refrigeration compressor, the temperature of decompressor working medium is generally higher, inlet temperature reach Celsius 150 the degree even higher, even the lubricant oil of viscosity higher, under high temperature condition, its viscosity all will descend a lot, its formation oil film ability can greatly reduce.Simultaneously, higher temperature also can reduce the working life of bearing, particularly the Moving plate bearing.Lubricated and cooling not good general causes the decompressor mechanical efficiency to reduce, and finally affects its performance and reliability.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of vortex expansion power generation machine and Rankine cycle thermoelectric conversion system, and scroll expander is applied to generating and technical field of thermoelectric conversion.
The present invention solves the problems of the technologies described above the technological scheme that adopts to be:
a kind of vortex expansion power generation machine, comprise housing and the price fixing that is positioned at described enclosure interior, Moving plate, eccentric wheel, main shaft, support, generator amature and generator unit stator, be provided with suction tude and steam outlet pipe on described housing, described suction tude is connected with the inlet hole of described price fixing, described price fixing is fixedly connected with described support, the sidewall of described price fixing and the sidewall of described Moving plate mesh and form expansion chamber, described Moving plate is connected by bearing with described eccentric wheel, described eccentric wheel is fixedly connected with described main shaft, described support casing is connected on described main shaft and with described housing and is fixedly connected with, described generator amature is fixedly connected with described main shaft, the described generator unit stator described generator amature of parcel also is fixedly connected with described housing.
Described vortex expansion power generation machine, the sidewall of wherein said price fixing and the sidewall of described Moving plate are in the air inlet position interference engagement near described price fixing.
Described vortex expansion power generation machine, the arranged outside of wherein said Moving plate has anti-Moving plate free-wheeling system.
Described vortex expansion power generation machine, wherein said anti-Moving plate free-wheeling system comprises the steel loop and the fixing pin that is positioned at described steel loop inboard that is positioned at the described Moving plate outside, described fixing pin is fixed in the pin-and-hole of described support, described steel loop internal diameter is R1, described fixing pin radius is r1, the turning radius of described Moving plate is R, and R1, r1 and R satisfy following geometrical relationship: R1-r1=R.
Described vortex expansion power generation machine is provided with wear-resistant pad between wherein said Moving plate and described support.
Described vortex expansion power generation machine wherein is provided with bearing shell between described main shaft and described support.
Described vortex expansion power generation machine, wherein lubricating pipe passes the sidewall of described housing and is connected with the oil inlet hole of described support.
Described vortex expansion power generation machine, wherein said lubricating pipe is connected with high pressure low temperature lubricant oil input device, and described high pressure low temperature lubricant oil input device comprises condenser, high-pressure service pump and the filter that connects successively by pipeline.
Described vortex expansion power generation machine is provided with drainage device on wherein said support.
A kind of Rankine cycle thermoelectric conversion system, comprise vortex expansion power generation machine, vaporizer, intermediate heat exchanger and high pressure low temperature lubricant oil input device, the suction tude of described vortex expansion power generation machine is connected with described vaporizer, the steam outlet pipe of described vortex expansion power generation machine is connected with described intermediate heat exchanger, described intermediate heat exchanger is connected with described high pressure low temperature lubricant oil input device, and described high pressure low temperature lubricant oil input device is connected with described vortex expansion power generation machine.
Beneficial effect of the present invention: vortex expansion power generation machine of the present invention and Rankine cycle thermoelectric conversion system can be efficiently, generating stably, and have that noise is low, reliable, the advantage of long service life, it is the ideal equipment of Conversion of Energy, be specially adapted to that the low-temperature heat source energy reclaims, thermoelectricity one application, the present invention has advanced the progress of generator techniques and thermoelectric generation technology.
Description of drawings
The present invention includes following accompanying drawing:
Fig. 1 is vortex expansion power generation machine schematic diagram of the present invention;
Fig. 2 is Moving plate of the present invention and eccentric wheel Placement schematic diagram;
Fig. 3 is eccentric wheel of the present invention and main shaft Placement schematic diagram;
Fig. 4 is the anti-Moving plate free-wheeling system schematic diagram of the present invention;
Fig. 5 is Moving plate schematic diagram of the present invention;
Fig. 6 is price fixing schematic diagram of the present invention;
Fig. 7 is drainage device schematic diagram of the present invention;
Fig. 8 is high pressure low temperature lubricant oil input device schematic diagram of the present invention;
Fig. 9 is filter schematic diagram of the present invention;
Figure 10 is Rankine cycle thermoelectric conversion system schematic diagram of the present invention.
Embodiment
The below is described in further detail the present invention according to drawings and embodiments:
as Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8 and shown in Figure 9, vortex expansion power generation machine of the present invention comprises housing 2 and is positioned at the price fixing 3 of housing 2 inside, Moving plate 4, eccentric wheel 18, main shaft 12, support 9, generator amature 10 and generator unit stator 11, be provided with suction tude 1 and steam outlet pipe 13 on housing 2, suction tude 1 is connected with the inlet hole 31 of price fixing 3, price fixing 3 is fixedly connected with support 9, the sidewall 32 of price fixing 3 meshes and forms expansion chamber 19 with the sidewall 41 of Moving plate 4, Moving plate 4 is connected by bearing with eccentric wheel 18, eccentric wheel 18 is fixedly connected with main shaft 12, support 9 is socketed on main shaft 12 and with housing 2 and is fixedly connected with, generator amature 10 is fixedly connected with main shaft 12, generator unit stator 11 parcel generator amatures 10 also are fixedly connected with housing 2.The sidewall 32 of price fixing 3 meshes in the inlet hole 31 places interference near price fixing 3 with the sidewall 41 of Moving plate 4.The arranged outside of Moving plate 4 has anti-Moving plate free-wheeling system, anti-Moving plate free-wheeling system comprises the steel loop 5 and the fixing pin 6 that is positioned at steel loop 5 inboards that is positioned at Moving plate 4 outsides, fixing pin 6 is fixed in the pin-and-hole of support 9, steel loop 5 internal diameters are R1, fixing pin 6 radiuses are r1, the turning radius of Moving plate 4 is R, and R1, r1 and R satisfy following geometrical relationship: R1-r1=R.Be provided with wear-resistant pad 17 between Moving plate 4 and support 9.Be provided with bearing shell 14 between main shaft 12 and support 9.Lubricating pipe 15 passes the sidewall of housing 2 and is connected with the oil inlet hole of support 9.Lubricating pipe 15 is connected with high pressure low temperature lubricant oil input device, and high pressure low temperature lubricant oil input device comprises condenser 20, high-pressure service pump 21 and the filter 22 that connects successively by pipeline.Be provided with drainage device 16 on described support.
The high-pressure gaseous hot working fluid enters decompressor from suction tude 1, and suction tude 1 connects price fixing 3 suction ports 31, or will be arranged to the closed area between the upper-end surface of price fixing 3 and housing 2, and working medium is full of the inlet hole 31 that enters again price fixing 3 behind this closed area.The high-pressure gaseous hot working fluid enters the expansion chamber 19 that is formed by price fixing 3 and Moving plate 4 engagements, spontaneously promotes Moving plate 4 toward the direction running that the expansion chamber volume is increased.Moving plate 4 is connected by main bearing 8 with 18 of eccentric wheels, and 12 pin-and-holes by eccentric wheel 18 of eccentric wheel 18 and main shaft are connected with main shaft 12 crank cotter pin Spielpassung.Under the effect of the anti-Moving plate free-wheeling system that steel loop 5 and fixing pin 6 form, Moving plate 4 and Moving plate bearing 7 drive main shaft 12 runnings by driving eccentric wheel 18.Price fixing 3 is connected with support 9 by bolt, and support 9 is welded on housing 2.9, Moving plate 4 and support arrange the wear-resistant pad 17 that surface finishment is high, hardness is high, to reduce frictional loss.Fixing pin 6 interference fit are fitted in pin-and-hole on support 9.Eccentric wheel 18 be Spielpassung with main shaft 12, and eccentric wheel 12 can be made small sway around the spindle crank pin, realizing the radially adjustable clearance between Moving plate sidewall 41 and price fixing sidewall 32, when guaranteeing relatively to turn round leakage little, power loss is few.Except as the driving element function, eccentric wheel 18 also has the effect of balance Moving plate centrifugal force.Main bearing 8, bearing shell 14 interference fit are fitted on support, main shaft 12 and main bearing 8 interference fit, main bearing 8 bears rotor 10 and main shaft 12 deadweights when bearing radial load, bearing shell 14 seals to the zone between support 9 and Moving plate 4 when bearing certain radial load, allowing in manufacturing has micro-gap between bearing shell 14 and main shaft 12, can form effective sealing under the effect of the lubricant oil with certain viscosity.Drainage device 16 interference fit are fitted on support, and the draining hole is arranged in the support outer circle wall, and as shown in Figure 7, drainage device 16 is made as one-way valve.Filter 161 is set in one-way valve.One-way valve comprises spring 162, steel ball 163, and the required pretightening force of spring 162 is determined by the pressure of pressure chamber.Greater than spring 162 pretightening forces, push steel ball 163 when pressure chamber pressure open, realize draining.Oil inlet pipe 15 passes housing 2 from the outside, support 9 enters intermediate cavity, and the lubricant oil of high pressure low temperature is provided for vortex expansion power generation machine, realizes vortex expansion power generation machine reliable operation.Oil inlet pipe 15 diameters and length need pressure required according to intermediate cavity to mate design.Generator unit stator 11 interference or be welded in housing 2.
As shown in figure 10, Rankine cycle thermoelectric conversion system of the present invention comprises vortex expansion power generation machine, vaporizer, intermediate heat exchanger and high pressure low temperature lubricant oil input device, the suction tude of vortex expansion power generation machine is connected with vaporizer, the steam outlet pipe of vortex expansion power generation machine is connected with intermediate heat exchanger, intermediate heat exchanger is connected with high pressure low temperature lubricant oil input device, and high pressure low temperature lubricant oil input device is connected with vortex expansion power generation machine.
The specific embodiment of Rankine cycle thermoelectric conversion system of the present invention comprises vortex expansion power generation device, vaporizer, intermediate heat exchanger, condenser, liquor pump, liquid container, filter, working medium by high temperature heat source heating, vaporization, becomes high temperature and high pressure steam in vaporizer; Make working medium become superheated vapor by superheater again; Enter subsequently vortex expansion power generation machine, be automatically connected in rotor on bent axle by working medium expansion working band, realize the generator generating.Low-temp low-pressure working medium after work done enters condenser condenses and becomes liquid, enters afterwards liquid-storage container.After being pressurizeed by liquor pump, the cycle fluid that liquid-storage container flows out enters vaporizer, the next circulation of beginning.Intermediate heat exchanger can be used as the setting of apolegamy parts, can reduce the heat that adds of vaporizer.Filter draws a pipeline to decompressor from filter interior after liquid pump, the liquid lubricant oil of high pressure low temperature is flowed in decompressor by this pipeline press in the chamber.
Those skilled in the art do not break away from essence of the present invention and spirit, can there be the various deformation scheme to realize the present invention, the above only is the better feasible embodiment of the present invention, not thereby limit to interest field of the present invention, the equivalent structure that all utilizations specification of the present invention and accompanying drawing content are done changes, within all being contained in interest field of the present invention.
Claims (2)
1. vortex expansion power generation machine, comprise housing and the price fixing that is positioned at described enclosure interior, Moving plate, eccentric wheel, main shaft, support, generator amature and generator unit stator, be provided with suction tude and steam outlet pipe on described housing, described suction tude is connected with the inlet hole of described price fixing, described price fixing is fixedly connected with described support, the sidewall of described price fixing and the sidewall of described Moving plate mesh and form expansion chamber, described Moving plate is connected by bearing with described eccentric wheel, described eccentric wheel is fixedly connected with described main shaft, described support casing is connected on described main shaft and with described housing and is fixedly connected with, described generator amature is fixedly connected with described main shaft, the described generator unit stator described generator amature of parcel also is fixedly connected with described housing, the sidewall of described price fixing and the sidewall of described Moving plate are in the air inlet position interference engagement near described price fixing, the arranged outside of described Moving plate has anti-Moving plate free-wheeling system, described anti-Moving plate free-wheeling system comprises the steel loop and the fixing pin that is positioned at described steel loop inboard that is positioned at the described Moving plate outside, described fixing pin is fixed in the pin-and-hole of described support, described steel loop internal diameter is R1, described fixing pin radius is r1, the turning radius of described Moving plate is R, and R1, r1 and R satisfy following geometrical relationship: R1-r1=R, be provided with wear-resistant pad between described Moving plate and described support, be provided with bearing shell between described main shaft and described support, it is characterized in that: lubricating pipe passes the sidewall of described housing and is connected with the oil inlet hole of described support, described lubricating pipe is connected with high pressure low temperature lubricant oil input device, and described high pressure low temperature lubricant oil input device comprises condenser, high-pressure service pump and the filter that connects successively by pipeline, be provided with drainage device on described support.
2. Rankine cycle thermoelectric conversion system, it is characterized in that: comprise vortex expansion power generation machine as claimed in claim 1, also comprise vaporizer, intermediate heat exchanger and high pressure low temperature lubricant oil input device, the suction tude of described vortex expansion power generation machine is connected with described vaporizer, the steam outlet pipe of described vortex expansion power generation machine is connected with described intermediate heat exchanger, described intermediate heat exchanger is connected with described high pressure low temperature lubricant oil input device, and described high pressure low temperature lubricant oil input device is connected with described vortex expansion power generation machine.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110363398 CN102493847B (en) | 2011-11-16 | 2011-11-16 | Scroll expander generator and Rankine cycle thermoelectric conversion system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110363398 CN102493847B (en) | 2011-11-16 | 2011-11-16 | Scroll expander generator and Rankine cycle thermoelectric conversion system |
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| CN102493847A CN102493847A (en) | 2012-06-13 |
| CN102493847B true CN102493847B (en) | 2013-05-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103089314A (en) * | 2013-01-21 | 2013-05-08 | 石亮 | High-efficiency reliable vortex expansion power generator |
| CN104100298A (en) * | 2013-04-03 | 2014-10-15 | 汉钟精机股份有限公司 | Scroll-type expansion electric generator |
| CN105089704A (en) * | 2015-09-11 | 2015-11-25 | 山东科灵节能装备股份有限公司 | Self-lubricating vortex expansion power generation set |
| CN111287799A (en) * | 2020-02-29 | 2020-06-16 | 天津大学 | Sealed cooling device of vortex expander |
| CN114183346B (en) * | 2021-12-17 | 2022-10-25 | 珠海格力电器股份有限公司 | Scroll compressor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS59115488A (en) * | 1982-12-22 | 1984-07-03 | Hitachi Ltd | Bearing device for enclosed type scroll compressor |
| JPH07324689A (en) * | 1994-05-31 | 1995-12-12 | Mitsubishi Heavy Ind Ltd | Scroll type fluid compressor |
| JP3935006B2 (en) * | 2001-12-03 | 2007-06-20 | 松下エコシステムズ株式会社 | Power generator |
| DE10248926B4 (en) * | 2002-10-15 | 2004-11-11 | Bitzer Kühlmaschinenbau Gmbh | compressor |
| JP4736813B2 (en) * | 2005-02-02 | 2011-07-27 | 株式会社豊田自動織機 | Vehicle exhaust heat recovery system |
| KR100867623B1 (en) * | 2007-03-21 | 2008-11-10 | 엘지전자 주식회사 | Device for reducing vibration in compressor |
| JP2010255468A (en) * | 2009-04-22 | 2010-11-11 | Toyota Industries Corp | Exhaust heat recovery system |
| JP5386219B2 (en) * | 2009-04-27 | 2014-01-15 | 三菱重工業株式会社 | Scroll compressor |
| CN201963551U (en) * | 2010-12-31 | 2011-09-07 | 苏州中成汽车空调压缩机有限公司 | Sliding abrasion resisting sheet of scroll automobile air condition compressors |
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Owner name: GUANGDONG CHANGHONG RIDIAN TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: CHEN DONGCHANG Effective date: 20140612 |
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Effective date of registration: 20140612 Address after: Liaobu Xixi Village town Guangdong city Dongguan province 523401 Jin Road No. 425 Patentee after: GUANGDONG DINGLI AUTOMOTIVE AIR CONDITIONING CO., LTD. Address before: 523560 Changping Dongguan Eurasia international business center, Guangdong 1204-210, China Patentee before: Chen Dongchang |