CN102493847A - 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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- CN102493847A CN102493847A CN2011103633981A CN201110363398A CN102493847A CN 102493847 A CN102493847 A CN 102493847A CN 2011103633981 A CN2011103633981 A CN 2011103633981A CN 201110363398 A CN201110363398 A CN 201110363398A CN 102493847 A CN102493847 A CN 102493847A
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 15
- 238000010248 power generation Methods 0.000 claims description 40
- 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
- 239000007788 liquid Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000009183 running Effects 0.000 description 2
- 230000009286 beneficial effect Effects 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
- 238000011084 recovery Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000007789 sealing Methods 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, vortex 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 electricity generating device; Can know in the use contrast of compressor field through screw rod mechanism and scroll machine; Both characteristics have determined its using scope; Screw rod mechanism is applicable to the device of big discharge capacity, and scroll machine is applicable to the device of medium and small discharge capacity.Comparatively speaking, scroll machine efficient is higher in medium and small discharge capacity scope, and vibration, noise is littler.Be all scroll machine; Scroll compressor is that flowing to of its working medium is different with the maximum difference of scroll expander; Scroll compressor is after sucking gas through the peripheral vortex wall of vortex body gas to be pushed toward the center portion, and scroll expander to be gas can make it spread toward periphery by entrained force vortex body in by gas itself after the air inlet of heart portion.
With respect to refrigeration compressor, the temperature of decompressor working medium is generally higher, and inlet temperature reaches 150 degree even higher Celsius, even the lubricant oil of viscosity higher, under high temperature condition, its viscosity all will descend a lot, and its ability that forms oil film can reduce greatly.Simultaneously, higher temperature also can reduce the working life of bearing, particularly Moving plate bearing.Lubricated and cool off not that the good general causes the decompressor mechanical efficiency to reduce, and finally influence its performance and reliability.
Summary of the invention
The technical problem that the present invention will solve provides 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 is adopted to be:
A kind of vortex expansion power generation machine; Comprise housing and the price fixing, Moving plate, eccentric wheel, main shaft, support, generator amature and the generator unit stator that are positioned at said enclosure interior; Said housing is provided with suction tude and steam outlet pipe, and said suction tude links to each other with the inlet hole of said price fixing, and said price fixing is fixedly connected with said support; The sidewall of said price fixing and the engagement of the sidewall of said Moving plate also form expansion chamber; Said Moving plate is connected through bearing with said eccentric wheel, and said eccentric wheel is fixedly connected with said main shaft, and said support casing is connected on the said main shaft and with said housing and is fixedly connected; Said generator amature is fixedly connected with said main shaft, and said generator unit stator wraps up said generator amature and is fixedly connected with said housing.
Described vortex expansion power generation machine, the sidewall of wherein said price fixing and the sidewall of said Moving plate are in the air inlet position interference engagement near said 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 fixing pin inboard with being positioned at said steel loop that is positioned at the said Moving plate outside; Said fixing pin is fixed in the pin-and-hole of said support, and said steel loop internal diameter is R1, and said fixing pin radius is r1; The turning radius of said Moving plate is R, and then 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 the said support.
Described vortex expansion power generation machine wherein is provided with bearing shell between said main shaft and said support.
Described vortex expansion power generation machine, wherein lubricating pipe passes the sidewall of said housing and links to each other with the oil inlet hole of said support.
Described vortex expansion power generation machine, wherein said lubricating pipe is connected with high pressure low temperature lubricant oil input device, and said high pressure low temperature lubricant oil input device comprises condenser, high-pressure service pump and the filter that connects successively through pipeline.
Described vortex expansion power generation machine, wherein said support is provided with drainage device.
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 said vortex expansion power generation machine links to each other with said vaporizer; The steam outlet pipe of said vortex expansion power generation machine links to each other with said intermediate heat exchanger, and said intermediate heat exchanger links to each other with said high pressure low temperature lubricant oil input device, and said high pressure low temperature lubricant oil input device links to each other with said 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 low-temperature heat source energy recovery, thermoelectric 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 a vortex expansion power generation machine schematic representation of the present invention;
Fig. 2 is Moving plate of the present invention and eccentric wheel Placement schematic representation;
Fig. 3 is eccentric wheel of the present invention and main shaft Placement schematic representation;
Fig. 4 is the anti-Moving plate free-wheeling system schematic representation of the present invention;
Fig. 5 is a Moving plate schematic representation of the present invention;
Fig. 6 is a price fixing schematic representation of the present invention;
Fig. 7 is a drainage device schematic representation of the present invention;
Fig. 8 is a high pressure low temperature lubricant oil input device schematic representation of the present invention;
Fig. 9 is a filter schematic representation of the present invention;
Figure 10 is a Rankine cycle thermoelectric conversion system schematic representation of the present invention.
Embodiment
According to accompanying drawing and embodiment the present invention is done further explain below:
Like 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 the price fixing 3, Moving plate 4, eccentric wheel 18, main shaft 12, support 9, generator amature 10 and the generator unit stator 11 that are positioned at housing 2 inside; Housing 2 is provided with suction tude 1 and steam outlet pipe 13, and suction tude 1 links to each other with the inlet hole 31 of price fixing 3, and price fixing 3 is fixedly connected with support 9; The sidewall 32 of price fixing 3 is with 41 engagements of the sidewall of Moving plate 4 and form expansion chamber 19; Moving plate 4 and eccentric wheel 18 are connected through bearing, and eccentric wheel 18 is fixedly connected with main shaft 12, and support 9 is socketed on the main shaft 12 and with housing 2 and is fixedly connected; Generator amature 10 is fixedly connected with main shaft 12, and generator unit stator 11 wraps up generator amatures 10 and is 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 steel loop 5 that is positioned at Moving plate 4 outsides and the fixing pin 6 that is positioned at steel loop 5 inboards; Fixing pin 6 is fixed in the pin-and-hole of support 9, and steel loop 5 internal diameters are R1, and fixing pin 6 radiuses are r1; The turning radius of Moving plate 4 is R, and then R1, r1 and R satisfy following geometrical relationship: R1-r1=R.Be provided with wear-resistant pad 17 between Moving plate 4 and the support 9.Between main shaft 12 and support 9, be provided with bearing shell 14.Lubricating pipe 15 passes the sidewall of housing 2 and links to each other 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 through pipeline.Said support is provided with drainage device 16.
The high-pressure gaseous hot working fluid gets into decompressor from suction tude 1, and suction tude 1 connects price fixing 3 suction ports 31, or with being arranged to the closed area between the upper-end surface of price fixing 3 and the housing 2, and working medium is full of the inlet hole 31 that gets into price fixing 3 behind this closed area again.The high-pressure gaseous hot working fluid gets into by price fixing 3 expansion chamber 19 that 4 engagements form with Moving plate, spontaneously promotes Moving plate 4 toward the direction running that the expansion chamber volume is increased.18 of Moving plate 4 and eccentric wheels are connected through main bearing 8, and 12 pin-and-holes through 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 are formed, Moving plate 4 and Moving plate bearing 7 drive main shaft 12 runnings through driving eccentric wheel 18.Price fixing 3 is connected with support 9 through bolt, and support 9 is welded on the housing 2.9 on Moving plate 4 and support are provided with surface finishment height, wear-resistant pad 17 that hardness is high, to reduce frictional loss.Fixing pin 6 interference fit are fitted in the pin-and-hole on the support 9.Eccentric wheel 18 be a 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 the price fixing sidewall 32, when guaranteeing to turn round relatively leakage little, power loss is few.Except that as the driving element function, eccentric wheel 18 also has balance Moving plate action of centrifugal force.Main bearing 8, bearing shell 14 interference fit are fitted on the 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 the Moving plate 4 when bearing certain radial load, and allowing in the manufacturing has micro-gap between bearing shell 14 and the main shaft 12, under the effect of the lubricant oil with certain viscosity, can form effective sealing.Drainage device 16 interference fit are fitted on the support, and the draining hole is arranged in the support outer circle wall, and is as shown in Figure 7, and drainage device 16 is made as one-way valve.Filter 161 is set in the one-way valve.One-way valve comprises spring 162, steel ball 163, and the required pretightening force of spring 162 is by the pressure decision of pressure chamber.When pressure chamber pressure greater than spring 162 pretightening forces, push steel ball 163 open, realize draining.Oil inlet pipe 15 passes housing 2, support 9 and gets into intermediate cavity from the outside, for vortex expansion power generation machine provides the lubricant oil of high pressure low temperature, realize vortex expansion power generation machine reliable operation.Oil inlet pipe 15 diameters and length need to carry out matching Design according to the required pressure of intermediate cavity.Generator unit stator 11 interference or be welded in the housing 2.
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 links to each other with vaporizer; The steam outlet pipe of vortex expansion power generation machine links to each other with intermediate heat exchanger, and intermediate heat exchanger links to each other with high pressure low temperature lubricant oil input device, and high pressure low temperature lubricant oil input device links to each other 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, liquid 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 through superheater again; Get into vortex expansion power generation machine subsequently, drive through the working medium expansion working and be connected the rotor on the bent axle, realize generator for electricity generation.Low-temp low-pressure working medium after the work done gets into condenser condenses and becomes liquid, gets into liquid-storage container afterwards.The cycle fluid that flows out from liquid-storage container gets into vaporizer by liquid pump pressurization back, 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 the decompressor through 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 is merely the preferable feasible embodiment of the present invention; Be not so 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, and all is contained within the interest field of the present invention.
Claims (10)
1. vortex expansion power generation machine; It is characterized in that: comprise housing and the price fixing, Moving plate, eccentric wheel, main shaft, support, generator amature and the generator unit stator that are positioned at said enclosure interior; Said housing is provided with suction tude and steam outlet pipe, and said suction tude links to each other with the inlet hole of said price fixing, and said price fixing is fixedly connected with said support; The sidewall of said price fixing and the engagement of the sidewall of said Moving plate also form expansion chamber; Said Moving plate is connected through bearing with said eccentric wheel, and said eccentric wheel is fixedly connected with said main shaft, and said support casing is connected on the said main shaft and with said housing and is fixedly connected; Said generator amature is fixedly connected with said main shaft, and said generator unit stator wraps up said generator amature and is fixedly connected with said housing.
2. vortex expansion power generation machine according to claim 1 is characterized in that: the sidewall of said price fixing and the sidewall of said Moving plate are in the air inlet position interference engagement near said price fixing.
3. vortex expansion power generation machine according to claim 2 is characterized in that: the arranged outside of said Moving plate has anti-Moving plate free-wheeling system.
4. vortex expansion power generation machine according to claim 3; It is characterized in that: said anti-Moving plate free-wheeling system comprises the steel loop fixing pin inboard with being positioned at said steel loop that is positioned at the said Moving plate outside; Said fixing pin is fixed in the pin-and-hole of said support, and said steel loop internal diameter is R1, and said fixing pin radius is r1; The turning radius of said Moving plate is R, and then R1, r1 and R satisfy following geometrical relationship: R1-r1=R.
5. vortex expansion power generation machine according to claim 4 is characterized in that: be provided with wear-resistant pad between said Moving plate and the said support.
6. vortex expansion power generation machine according to claim 5 is characterized in that: between said main shaft and said support, be provided with bearing shell.
7. vortex expansion power generation machine according to claim 6 is characterized in that: lubricating pipe passes the sidewall of said housing and links to each other with the oil inlet hole of said support.
8. vortex expansion power generation machine according to claim 7; It is characterized in that: said lubricating pipe is connected with high pressure low temperature lubricant oil input device, and said high pressure low temperature lubricant oil input device comprises condenser, high-pressure service pump and the filter that connects successively through pipeline.
9. vortex expansion power generation machine according to claim 8, it is characterized in that: said support is provided with drainage device.
10. Rankine cycle thermoelectric conversion system; It is characterized in that: comprise like the arbitrary described vortex expansion power generation machine of claim 1 to 9, vaporizer, intermediate heat exchanger and high pressure low temperature lubricant oil input device; The suction tude of said vortex expansion power generation machine links to each other with said vaporizer; The steam outlet pipe of said vortex expansion power generation machine links to each other with said intermediate heat exchanger; Said intermediate heat exchanger links to each other with said high pressure low temperature lubricant oil input device, and said high pressure low temperature lubricant oil input device links to each other with said vortex expansion power generation machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110363398 CN102493847B (en) | 2011-11-16 | 2011-11-16 | Scroll expander generator and Rankine cycle thermoelectric conversion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110363398 CN102493847B (en) | 2011-11-16 | 2011-11-16 | Scroll expander generator and Rankine cycle thermoelectric conversion system |
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| CN102493847A true CN102493847A (en) | 2012-06-13 |
| CN102493847B CN102493847B (en) | 2013-05-22 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN114183346A (en) * | 2021-12-17 | 2022-03-15 | 珠海格力电器股份有限公司 | Scroll compressor |
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| 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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| US4551082A (en) * | 1982-12-22 | 1985-11-05 | Hitachi, Ltd. | Bearing device of sealed type scroll compressor |
| CN1044633C (en) * | 1994-05-31 | 1999-08-11 | 三菱重工业株式会社 | Vortex hydraulic mechanism |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN114183346A (en) * | 2021-12-17 | 2022-03-15 | 珠海格力电器股份有限公司 | Scroll compressor |
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| CN102493847B (en) | 2013-05-22 |
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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 |