CN102562196A - Heat pump type engine - Google Patents
Heat pump type engine Download PDFInfo
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- CN102562196A CN102562196A CN2011101989510A CN201110198951A CN102562196A CN 102562196 A CN102562196 A CN 102562196A CN 2011101989510 A CN2011101989510 A CN 2011101989510A CN 201110198951 A CN201110198951 A CN 201110198951A CN 102562196 A CN102562196 A CN 102562196A
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Abstract
The invention relates to a heat engine system, in particular to a heat pump type engine. According to a heat pump circulation principle and a double-circulation afterheat recycling principle, a heat absorber absorbs heat energy in the nature, the absorbed heat energy and heat energy converted from mechanical energy of a compressor are integrally inputted into an acting machine via the compressor, and the acting machine outputs mechanical power outwards. The heat pump type engine consists of the heat absorber, the compressor, the acting machine, a radiator, pipelines and working media working in the pipelines; and by the aid of the pipelines, a flow outlet of the heat absorber is communicated with a flow inlet of the compressor, a flow outlet of the compressor is communicated with a flow inlet of the acting machine, a flow outlet of the acting machine is communicated with a flow inlet of the radiator, and a flow outlet of the radiator is communicated with a flow inlet of the heat absorber. Low-level heat energy is converted into high-level heat energy, and then is converted into the mechanical energy to be outputted, and energy utilization rate can be improved effectively.
Description
Technical field
The present invention relates to heat engine system; Particularly utilize heat absorber to absorb the heat energy of occurring in nature; And the heat energy of the mechanical energy conversion of heat energy that heat absorber is absorbed through compressor and compressor self imports working machine together, and working machine is outwards exported the circulation system of mechanical work.
Background technique
People know; A kind of heat pump circulating system is arranged; It mainly is made up of vaporizer (heat absorber), compressor, condenser (radiator), throttle valve (expansion valve), pipeline and its interior working medium of working; It can utilize vaporizer to absorb the heat energy of occurring in nature, and the heat energy that the mechanical energy of heat energy that vaporizer is absorbed through compressor and compressor self transforms imports condenser together, and condenser is to needed space discharge heat; This circulatory system can realize that the heat energy of its output is 3～5 times of the equivalent heat energy that prime mover consumed of Driven Compressor; The work purpose of this a kind of heat pump circulating system is in order to heat or to freeze.Therefore, condenser must be housed in this system be used for heat radiation, vaporizer is housed be used for heat absorption.The throttle valve of installing in the system (expansion valve) is in order to convert the low-temp low-pressure damp steam to output terminal in the condenser with high temperature, high pressure liquid working medium in the pipeline that it is communicated with.Outwards do not export mechanical work in the system.
Heat pump circulating system has multiple circulation mode; A kind of system that is called as Bretton (Brayton) heat pump cycle is wherein arranged, and it is in order to realize with gas being the heat pump cycle of working medium and change throttle valve into decompressor, and this decompressor is when realizing decrease temperature and pressure to the working medium of flowing through; The acting of also can expanding; The merit that this decompressor is done is coupled on the input shaft of compressor through the decompressor output shaft, and to not exporting mechanical work outside the system, and the work purpose of this system remains and heats or freeze.Therefore, condenser also must be housed in this system be used for heat radiation, vaporizer is housed be used for heat absorption.
A kind of Chinese patent publication number be CN101201007A's " utilizing heat pump driven power generation system " be thermal source and the low-temperature receiver that utilizes a complete heat pump to produce; Produce mechanical energy to promote hot machine via the heat supply of thermal source and the cooling of low-temperature receiver; And then the drive generator set produces electric energy; Therefore, condenser also must be housed in this system be used for heat radiation, vaporizer is housed be used for heat absorption.
A kind of Chinese patent publication number be CN10107835A's " heat pump generator or motor " just utilized heat energy that the transformation of energy of compressor output becomes through condenser input steam turbine; Condenser is the heat release device, does not evaporate device in this system, so this system can not absorb heat energy from environment.
One piece of paper that is entitled as " the two circulation low temperature exhaust heat reclaiming systems of screw expander are analyzed " was published on " University Of Tianjin's journal " the 43rd the 4th phase of volume of publishing in April, 2010.In this paper, described a kind of formation of dual-circulation screw expansion machine residual neat recovering system, it mainly is made up of the working medium pump between vaporizer (heat absorber), evaporation pump, screw expander, condenser (radiator), condensate extractionpump and access vaporizer and the condenser.It is a working medium with the low-boiling-point organic compound, makes working medium in running system, from the waste heat fluid, obtain heat, produces organic steam; And then the lead-screw decompressor, driving generator for electricity generation or outputting power, weary gas is cooled to liquid in condenser; Squeeze into vaporizer by pump, accomplish a circulation.Flowing of working medium in this circulation loop mainly is to lean on working medium pump to accomplish, and will consume certain energy during the working medium pump operation, and the function of working medium pump in this system and effect are with the function of compressor in heat pump circulating system and act on incomplete same.What working medium pump was carried is liquid working substance, and what compressor compresses was also carried is gas working medium, and the mechanical energy of compressor output has almost all changed into the entrained heat energy of working medium.
With regard to the piston in the cylinder body of the piston compressor in the closed cycle systems such as the present heat pump circulating system that retrieves, heat pump engine all is that an end face contacts with compression working medium; The other end contacts with atmosphere in the environment of living in; The working medium that heat pump circulating system feeds back has certain overbottom pressure, and this overbottom pressure is not used effectively.
Summary of the invention
Purpose that the present invention will reach and the technical problem that will solve; The one, in order to make full use of the Lowlevel thermal energy in the physical environment; Utilize heat pump cycle can realize the principle of high heating efficiency; But propose the Lowlevel thermal energy in a kind of absorbing environmental, convert high level heat to, and convert the heat energy that the mechanical energy of this high level heat and compressor self transforms the power system of mechanical energy output to together; The 2nd, in order to reduce the power input of compressor, improve the heating efficiency of the circulatory system, a kind of technological scheme of utilizing the working medium overbottom pressure that the circulatory system feeds back is proposed.
For achieving the above object and solving the problems of the technologies described above, the technological scheme that the present invention proposes is.
A kind of heat pump type motor, it is similar to existing heat pump circulating system, it is characterized in that, and said heat pump type motor is made up of heat absorber (vaporizer), compressor, working machine, radiator (condenser), pipeline and its interior working medium of working; The head piece that goes out of heat absorber is connected through pipeline with the compressor inflow port; The head piece that goes out of compressor is connected through pipeline with the inflow port of working machine; The head piece that goes out of working machine is connected through pipeline with the inflow port of radiator, and the head piece that goes out of radiator is connected through pipeline with the inflow port of heat absorber, and heat absorber places the higher thermal source environment of temperature; Radiator places the lower low-temperature receiver environment of temperature, is beneficial to working machine heat energy is changed into mechanical energy output.Used compressor can be various displacement type compressors in this system, also can be various velocity profile compressors.
For the working medium overbottom pressure of utilizing above-mentioned a kind of heat pump type engine cycles system feedback to return; Reduce the power input of compressor; According to above-mentioned a kind of heat pump type motor, a kind of optimized technical scheme is, said compressor is made up of cylinder body, the piston that is positioned at cylinder body, piston rod, influent stream one-way valve, the one-way valve that effluents, pipeline and its working medium of working; Said cylinder body, the piston that is positioned at cylinder body, piston rod, influent stream one-way valve, the one-way valve that effluents are formed two active chambers at least; The active chamber alternation is in expanding and compressive state, and each the influent stream end that is installed on each the influent stream one-way valve on each cylinder body two ends end cap of compressor passes through the influent stream pipeline connection together, forms the inflow port of compressor; And inserting the head piece that of heat absorber, the end that effluents of each influent stream one-way valve is connected with active chamber separately respectively; The end that respectively effluents that is installed on the one-way valve that respectively effluents on each cylinder body two ends end cap of compressor is connected together through the pipeline that effluents, and forms the head piece that of compressor, and inserts the inflow port of working machine, and the influent stream end of the one-way valve that respectively effluents is connected with active chamber separately respectively.During the operation of this circulatory system, have certain overbottom pressure from the working medium that head piece flows out that goes out of heat absorber, overbottom pressure working medium flows into the back side of the piston that is in compressive state, forms back pressure, thereby reduces the required power input of compressor.Compressor is a positive displacement compressor, and it can be single cylinder two-chamber, twin-tub two-chamber or multi-cylinder multi-cavity, can be piston compressor, also can be the rotary compressor that can bear certain back pressure.
A kind of heat pump type motor provided by the invention, the working machine in its circulatory system is a Piston Expander, can also be the flexible bladder type decompressor, can also be turbo-expander.The effect of working machine is that heat energy is changed into mechanical energy and outwards exports mechanical work.
A kind of heat pump type motor provided by the invention, alternative technology scheme be, the working machine in its circulatory system is a capsule formula pneumatic pump, but pneumatic pump pump gas or liquid.For example: notice of authorization number is " pneumatic pump " of the applicant's invention of CN1069953C.
A kind of heat pump type motor provided by the invention, alternative technology scheme be, the working machine in its circulatory system can be the pneumatic motor of closed-circuit, and pneumatic motor is outwards exported mechanical work.
A kind of heat pump type motor provided by the invention; Improved technological scheme is; Going out between head piece and the heat absorber inflow port of radiator in its circulatory system is equipped with the autobalance expansion valve by the requirement of the working medium flow direction; When the state of the working medium that flows out radiator was in liquid state, the autobalance expansion valve can guarantee that the working medium through its discharge is vaporized state.
A kind of heat pump type motor provided by the invention, improved technological scheme be, the head piece place that goes out of the radiator in its circulatory system is serially connected with device for drying and filtering, device for drying and filtering can be dry with filter pipeline in moisture and impurity, move so that the assurance system is steady in a long-term.
A kind of heat pump type motor provided by the invention; Improved technological scheme is; Going out between head piece and the heat absorber inflow port of radiator in its circulatory system is equipped with working medium pump by the requirement of the working medium flow direction; When working medium pump can guarantee that the height difference between compressor and radiator and heat absorber is big, working medium was in intrasystem normal circulation.
The heat absorber of existing heat pump circulating system and two circulation heat recovery systems and heat, cold air or heat, cold fluid circulation system and other control system etc. around the radiator can be transplanted in this system and be used.
Heat pump type motor provided by the invention, the heat absorber in its circulatory system (vaporizer) is a heat pipe receiver, also can be the efficient heat absorber of other various conditions that conform.For example: air heat-absorbing device, solar heat absorber, water source heat absorber, source heat absorber etc.Likewise, the radiator in its circulatory system (condenser) is a heat-pipe radiator, also can be the high-efficiency radiator of other various conditions that conform.For example: air radiator, ice source heat-dissipating device, water source radiator, source heat-dissipating device etc.
Beneficial effect: various technological schemes provided by the invention can change into high level heat with Lowlevel thermal energy efficiently, and then change into mechanical energy output.Can reduce consumption, slow down greenhouse effect fossil energy.
Description of drawings
Fig. 1 is a kind of circulatory system figure of the present invention.
Fig. 2 is another kind of circulatory system figure of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is done further explain.
A kind of heat pump type motor shown in the accompanying drawing 1, it is made up of heat absorber (vaporizer) 3, compressor 1, working machine 2, radiator (condenser) 5, pipeline 4 and the loop that is communicated with thereof and the working medium that works in the loop; The head piece h that goes out of heat absorber 3 is connected through pipeline with compressor 1 inflow port a; The head piece b that goes out of compressor 1 is connected through pipeline with the inflow port c of working machine 2; The head piece d that goes out of working machine 2 is connected through pipeline with the inflow port e of radiator 5, and the head piece f that goes out of radiator 5 is connected through pipeline with the inflow port g of heat absorber 3.When system brings into operation, start compressor 1 earlier, at this moment, the heat energy in the working medium absorbing environmental in the heat absorber 3 becomes the low pressure dry steam.The low pressure dry steam flows out heat absorber and goes out head piece h, and the inflow port a with compressor 1 flows in the active chamber of compressor by the road, after compressor compresses, becomes HTHP high speed steam.HTHP high speed steam goes out head piece b through compressor, and the inflow port c of flow through pipeline and working machine 2 gets into externally acting of working machine expansion.Working medium after the working machine work done; Become low-temp low-pressure low speed damp steam; Damp steam gets into radiator 5 through go out head piece d and the pipeline of working machine 2; Become low-temp low-pressure low speed damp steam working medium or liquid refrigerant with further cooling step-down, low-temp low-pressure low speed damp steam working medium or liquid refrigerant get into heat absorber 3 and in heat absorber, absorb heat, and become the low pressure dry steam again.So far, the heat pump type motor is accomplished a circulation and energy exchange processes.
The circulatory system figure of another kind of heat pump type motor shown in the accompanying drawing 2 had both represented that the working medium overbottom pressure of utilizing the circulatory system to feed back produced back pressure to piston, to reduce the power input of compressor, had represented the power system of two circulation heat recovery again.Compressor 1 in this system is by cylinder body 11, the piston 12 that is positioned at cylinder body, piston rod 10, working medium influent stream one-way valve 13,14; The working medium one- way valve 15,16 that effluents; Working medium influent stream pipeline 17,18; Working medium is effluented pipeline 19,20 and the working medium of working in it is formed, and forms two active chamber Q1, Q2 by these component.Active chamber Q1, Q2 alternation are in expanding and compressive state.Each the influent stream end that is installed on the working medium influent stream one-way valve 13,14 on compressor casing 11 two ends end cap 11a and the 11b is connected together through working medium influent stream pipeline 18,17, forms the inflow port a of compressor, and goes out head piece l through what the working medium pipeline inserted heat absorber 3; Each working medium influent stream one-way valve 13,14 effluent the end active chamber Q1, Q2 are connected respectively with separately; Be installed on the effluent end that respectively effluents of one- way valve 15,16 of end cap 11a and each working medium on the 11b on the compressor casing 11 and be connected together through the working medium pipeline 19,20 that effluents, what form compressor goes out head piece b, and inserts the inflow port c of working machine 2 through the working medium pipeline; Each working medium is effluented, and active chamber Q1, Q2 are connected respectively with separately for the influent stream end of one-way valve 15,16.The end d that effluents of working machine 2 is connected through the inflow port e of working medium pipeline with radiator 5; The head piece f that goes out of radiator 5 is connected through the inflow port g of working medium pipeline with working medium pump 8; The head piece h that goes out of working medium pump 8 is connected through the working medium pipeline with the inflow port i of autobalance expansion valve 9, and the head piece j that goes out of autobalance expansion valve 9 is connected through the inflow port k of working medium pipeline with heat absorber 3.Low temperature influent stream pipe 6a and low temperature outflow tube 6b are housed on the frame of radiator 5, on the low temperature influent stream pipe 6a low temperature recycle pump 6 are installed; High temperature influent stream pipe 7a and high temperature outflow tube 7b are housed on the frame of heat absorber 3, on the high temperature influent stream pipe 7a high temperature circulation pump 7 are installed.Among Fig. 2; When piston 12 moves up; Effluent one-way valve 16 of working medium influent stream one-way valve 13, working medium is opened; Working medium influent stream one-way valve 14, the working medium one-way valve 15 that effluents is closed, and certain overbottom pressure and gets into active chamber Q1 and the lower end surface of piston 12 is produced back pressure through working medium influent stream pipeline 18, working medium influent stream one-way valve 13 from the working medium band that head piece f flows out of going out of heat absorber 3; Meanwhile; The working medium that is in the active chamber Q2 is compressed by piston 12; Get into working machines 2 through working medium one-way valve 16, the working medium pipeline 20,19 that effluents that effluents; Inflow radiator 5 became the low-temp low-pressure liquid working substance after high temperature and high pressure gas working medium expanded in working machine 2 and does work, and liquid working substance becomes Low Temperature Steam after being crossed autobalance expansion valve 9 by working medium pump 8 pumps, and Low Temperature Steam gets into heat absorption in the heat absorber 3.Working medium after the heat absorption becomes the active chamber that the low pressure dry steam gets into compressor 1.When piston 12 moves down; Working medium influent stream one-way valve 13, the working medium one-way valve 16 that effluents is closed; Effluent one-way valve 15 of working medium influent stream one-way valve 14, working medium is opened; Certain overbottom pressure through working medium influent stream pipe 18,17 from the working medium band that head piece l flows out that goes out of heat absorber 3, working medium influent stream one-way valve 14 gets into active chamber Q2 and the upper-end surface of piston 12 is produced back pressure; Meanwhile; The working medium that is in the active chamber Q1 is compressed by piston 12; Get into working machines 2 through working medium one-way valve 15, the working medium pipeline 19 that effluents that effluents, working medium expands working machine 2 in and does work afterwards that inflow radiator 5 becomes the low-temp low-pressure liquid working substance, and liquid working substance becomes Low Temperature Steam after being crossed autobalance expansion valve 9 by working medium pump 8 pumps; Low Temperature Steam gets into heat absorption in the heat absorber 3, and the working medium after the heat absorption becomes the active chamber that the low pressure dry steam gets into compressor 1.So far, the heat pump type motor is accomplished a working medium cyclic process.In the working medium cyclic process, working medium institute heat load is constantly taken away by the cryogen that low temperature recycle pump 6 pumps in the radiator, makes the end that effluents of working machine 2 be in the low-pressure low-temperature state all the time, to improve the expansion efficiency of working machine.Simultaneously, high temperature circulation pump 7 constantly pumps into the heat of high temperature fluid in the heat absorber, and working medium absorbs the heat of high temperature fluid in the heat absorber.Said high temperature fluid, cryogen can be that liquid also can be gas.Compare with existing pair of circulation waste heat recovery power system in this circulatory system; Difference is; Between heat absorber and working machine, compressor is housed in this circulatory system, compressor can improve the pressure and temperature of working medium, makes working machine work in the greater efficiency state; The heat energy that heat energy and heat absorber absorbed that compressor produced almost all is imported in the working machine 2, and working machine 2 changes into mechanical energy output with heat energy.
Although combined preferred implementation device of the present invention has been described; But the invention is not restricted to concrete form as herein described; On the contrary, its purpose is to cover the various alternative that naturally can fall in the scope of the invention that said claims limit, remodeling, making up again of various characteristic elements and the new combination and the equivalents of deriving.
Claims (10)
1. a heat pump type motor is characterized in that, said heat pump type motor is made up of heat absorber, compressor, working machine, radiator, pipeline and the working medium of working in it; The head piece that goes out of heat absorber is connected through pipeline with the compressor inflow port; The head piece that goes out of compressor is connected through pipeline with the inflow port of working machine; The head piece that goes out of working machine is connected through pipeline with the inflow port of radiator; The head piece that goes out of radiator is connected through pipeline with the inflow port of heat absorber, and heat absorber places the thermal source environment, and radiator places the low-temperature receiver environment.
2. according to the said a kind of heat pump type motor of claim 1; It is characterized in that; Said compressor is made up of cylinder body, the piston that is positioned at cylinder body, piston rod, influent stream one-way valve, the one-way valve that effluents, pipeline and its working medium of working; Said cylinder body, the piston that is positioned at cylinder body, piston rod, influent stream one-way valve, the one-way valve that effluents are formed two active chambers at least; The active chamber alternation is in expanding and compressive state, and each the influent stream end that is installed on each the influent stream one-way valve on each cylinder body two ends end cap of compressor passes through the influent stream pipeline connection together, forms the inflow port of compressor; And inserting the head piece that of heat absorber, the end that effluents of each influent stream one-way valve is connected with active chamber separately respectively; The end that respectively effluents that is installed on the one-way valve that respectively effluents on each cylinder body two ends end cap of compressor is connected together through the pipeline that effluents, and forms the head piece that of compressor, and inserts the inflow port of working machine, and the influent stream end of the one-way valve that respectively effluents is connected with active chamber separately respectively.
3. according to the said a kind of heat pump type motor of claim 1, it is characterized in that said working machine is a Piston Expander of outwards exporting mechanical work.
4. according to the said a kind of heat pump type motor of claim 1, it is characterized in that said working machine is a flexible bladder type decompressor of outwards exporting mechanical work.
5. according to the said a kind of heat pump type motor of claim 1, it is characterized in that said working machine is a turbo-expander of outwards exporting mechanical work.
6. according to the said a kind of heat pump type motor of claim 1, it is characterized in that, but said working machine is the pneumatic pump of pump gas or liquid.
7. according to the said a kind of heat pump type motor of claim 1, it is characterized in that said working machine is a screw expander of outwards exporting mechanical work.
8. according to the said a kind of heat pump type motor of claim 1, it is characterized in that said radiator goes out between head piece and the heat absorber inflow port to flow to requirement by working medium the autobalance expansion valve is housed.
9. according to the said a kind of heat pump type motor of claim 1, it is characterized in that said radiator goes out between head piece and the heat absorber inflow port to flow to requirement by working medium working medium pump is housed.
10. according to claim 1,2,3,4,5,7,8,9 each said a kind of heat pump type motors, it is characterized in that said radiator goes out the head piece place and is serially connected with device for drying and filtering.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101989510A CN102562196A (en) | 2011-07-16 | 2011-07-16 | Heat pump type engine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011101989510A CN102562196A (en) | 2011-07-16 | 2011-07-16 | Heat pump type engine |
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| CN102562196A true CN102562196A (en) | 2012-07-11 |
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| CN2011101989510A Pending CN102562196A (en) | 2011-07-16 | 2011-07-16 | Heat pump type engine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928230A (en) * | 2016-05-18 | 2016-09-07 | 张育仁 | Interior source and exterior source combination type temperature difference hybrid-power refrigeration device |
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| CN101056690A (en) * | 2004-11-09 | 2007-10-17 | 松下电器产业株式会社 | Dehumidifier |
| CN101225808A (en) * | 2007-12-28 | 2008-07-23 | 西安交通大学 | Reciprocating-piston compressor or fluid pump driven by gas or liquid |
| CN101561200A (en) * | 2009-05-25 | 2009-10-21 | 天津大学 | Power recovery combination technique for refrigeration heat pump system |
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| CN1036258A (en) * | 1989-01-19 | 1989-10-11 | 顾雏军 | Use the thermal apparatus that turns round and look at thermodynamic cycle mode work |
| CN101056690A (en) * | 2004-11-09 | 2007-10-17 | 松下电器产业株式会社 | Dehumidifier |
| CN1667332A (en) * | 2005-04-30 | 2005-09-14 | 陈志� | Refrigerating method and equipment |
| CN101225808A (en) * | 2007-12-28 | 2008-07-23 | 西安交通大学 | Reciprocating-piston compressor or fluid pump driven by gas or liquid |
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Application publication date: 20120711 |