CN108412634A - A kind of heat accumulating type Stirling engine using heat pipe - Google Patents

A kind of heat accumulating type Stirling engine using heat pipe Download PDF

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Publication number
CN108412634A
CN108412634A CN201810269111.0A CN201810269111A CN108412634A CN 108412634 A CN108412634 A CN 108412634A CN 201810269111 A CN201810269111 A CN 201810269111A CN 108412634 A CN108412634 A CN 108412634A
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CN
China
Prior art keywords
heat
heat pipe
pipe
level
stirling engine
Prior art date
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Pending
Application number
CN201810269111.0A
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Chinese (zh)
Inventor
张莹
夏珍
雷杰
卢敏
叶文林
李培生
王志强
林圣享
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Nanchang University
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Nanchang University
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Publication date
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Priority to CN201810269111.0A priority Critical patent/CN108412634A/en
Publication of CN108412634A publication Critical patent/CN108412634A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02GHOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
    • F02G1/00Hot gas positive-displacement engine plants
    • F02G1/04Hot gas positive-displacement engine plants of closed-cycle type
    • F02G1/043Hot gas positive-displacement engine plants of closed-cycle type the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines
    • F02G1/053Component parts or details
    • F02G1/055Heaters or coolers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02GHOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
    • F02G2254/00Heat inputs
    • F02G2254/20Heat inputs using heat transfer tubes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02GHOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
    • F02G2254/00Heat inputs
    • F02G2254/40Heat inputs using heat accumulators

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

The present invention relates to a kind of Stirling engine, specially a kind of heat accumulating type Stirling engine using heat pipe.Including continuous heat supply device, Stirling engine in heat pipe power supply device side is set, the continuous heat supply device includes external sleeve, and the level-one heat pipe in sleeve inner is arranged, secondary heat pipe, be arranged level-one heat pipe side collecting end of heat and the heat supply end in the level-one heat pipe other side is set, and the regenerative apparatus in secondary heat pipe one end is set, the level-one heat pipe is divided into evaporation ends, condensation end, the level-one heat pipe evaporation ends stretch into collecting end of heat, and level-one condensation end of heat pipe stretches into heat supply end;For the secondary heat pipe between the collecting end of heat and heat supply end, secondary heat pipe includes the first heat-exchange end, the second heat-exchange end, and the second heat-exchange end is inserted into regenerative apparatus, and first heat-exchange end stretches into heat supply end;The heat supply end side is connect with Stirling engine.And since heat pipe has stronger exchange capability of heat, the problem that Stirling engine reacts slow can be improved.

Description

A kind of heat accumulating type Stirling engine using heat pipe
Technical field
The present invention relates to a kind of Stirling engine, specially a kind of heat accumulating type Stirling engine using heat pipe.
Background technology
With being continuously increased for global energy consumption, the reasonable development of regenerative resource and Utilizing question are increasingly by generation The concern of various countries of boundary.Since Stirling engine has the extensive adaptability of various energy resources and environment amenable good characteristic, Power, solar power, space station power, heat pump air conditioner power, automobile-used hybrid propulsion power etc. obtain under water for it Extensive research and attention, and obtained some and successfully applied.
Stirling engine passes through working media in cylinder(Hydrogen or helium)Through supercooling, compression, absorbs heat, is expanded to one The cycle in a period exports power.Stirling engine is suitable for the various energy, either liquid, gaseous state or solid combustion Material can almost use any high temperature heat source, such as solar energy, fume afterheat when using heat-carrying system indirectly heat.Due to this Working medium and atmospheric isolation in special woods closed loop, for Stirling engine during the work time not by effects of air pressure, this makes it very It is suitable for high altitude localities use.In addition, Stirling engine environmental pollution is small, pluralities of fuel can be used in addition and easily utilize The characteristics of waste heat, it can obtain the higher thermal efficiency and business efficiency for cogeneration of heat and power.However due to Stirling engine Heat source needs certain time from outside, heat transfer, and engine needs the temperature change through can just make cylinder after a period of time.
Invention content
It is an object of the invention to overcome the deficiencies in the prior art, adapt to reality and need, provide a kind of storage using heat pipe Hot type Stirling engine.
In order to achieve the object of the present invention, the technical solution adopted by the present invention is:
A kind of heat accumulating type Stirling engine using heat pipe, including continuous heat supply device are arranged in heat pipe power supply device side Stirling engine, the continuous heat supply device includes external sleeve, and the level-one heat pipe in sleeve inner, two level is arranged Heat pipe, be arranged level-one heat pipe side collecting end of heat and the heat supply end in the level-one heat pipe other side is set, and be arranged in two level The regenerative apparatus of heat pipe one end, the level-one heat pipe are divided into evaporation ends, condensation end, and the level-one heat pipe evaporation ends stretch into thermal-arrest End, the level-one condensation end of heat pipe stretch into heat supply end;The secondary heat pipe is between the collecting end of heat and heat supply end, and described two Grade heat pipe includes the first heat-exchange end, the second heat-exchange end, and second heat-exchange end is inserted into regenerative apparatus, and first heat-exchange end stretches into Heat supply end;The heat supply end side is connect with Stirling engine.
The Stirling engine includes fixed plate, hot cylinder, cold cylinder, runner, transmission shaft, the hot cylinder and cold Cylinder is separately positioned on fixed plate both sides, and the hot cylinder side is bonded with heat supply end, the piston rod of the hot cylinder other side Hinged across fixed plate and connecting rod, the connecting rod and the first eccentric block are hinged, and the cold air cylinder piston rod and the second eccentric block are cut with scissors It connects, the runner is arranged between the first eccentric block and the second eccentric block, the runner, the first eccentric block and the second eccentric block point It is not arranged on transmission shaft, the runner is driven by belt and driving wheel.
The secondary heat pipe includes three or more single tubes, and each single tube is parallel and circular with level-one heat pipe or is arranged in institute It states around level-one heat pipe.
The regenerative apparatus is phase change heat storage material layer, and the phase change heat storage material layer is integral type column structure, described The second heat-exchange end of each single tube is inserted into the inside of phase change heat storage material layer in secondary heat pipe.
The heat-storing material layer is calcium chloride hexahydrate, and the heat-storing material layer is Sodium acetate trihydrate, the heat-storing material layer For Organic Alcohol.
Sleeve between the collecting end of heat and heat supply end is the closed sleeve that vacuumizes, the level-one heat pipe, secondary heat pipe, Regenerative apparatus, which is arranged at, to be vacuumized in sleeve.
It is enclosed with layer of insulation material outside the level-one heat pipe.
There is liquid sucting core structure inside the level-one heat pipe and secondary heat pipe tube wall.
The level-one heat pipe is unidirectional heat pipe, and the secondary heat pipe is restrained for two-way heat tube.
The beneficial effects of the present invention are:
A kind of heat accumulating type Stirling engine using heat pipe provided by the invention can substantially effectively utilize solar energy or cigarette Gas waste heat is worked an external heat part for aggregation for Stirling engine using the stronger heat transfer characteristic of heat pipe, another Section store is taken, phase-transition heat-storage in phase change heat storage material when external heat is not enough to offer Stirling engine work Material undergoes phase transition to release the energy of storage and work for Stirling engine, ensures that Stirling engine continues with this Work;And since heat pipe has stronger exchange capability of heat, the problem that Stirling engine reacts slow can be improved.
Description of the drawings
The present invention is described further with case study on implementation below in conjunction with the accompanying drawings.
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is continuous heat supply device schematic internal view;
Fig. 3 is the G-G cross-sectional cut-away graph structures of the present invention.
Wherein, 1 collecting end of heat, 2 regenerative apparatus, 3 heat supply ends, 4 Stirling engines, 401 fixed plates, 402 hot cylinders, 403 Cold cylinder, 404 connecting rods, 405 second eccentric blocks, 406 first eccentric blocks, 407 transmission shafts, 408 runners, 409 driving wheels, 5 is adiabatic Material, 6 level-one heat pipes, 7 liquid-sucking cores, 8 secondary heat pipes, 9 sleeves.
Specific implementation mode
Present invention will be further explained below with reference to the attached drawings and examples:
Referring to Fig. 1-3.
The invention discloses a kind of heat accumulating type Stirling engine using heat pipe, including continuous heat supply device, setting exists The Stirling engine 4 of heat pipe power supply device side, the continuous heat supply device include external sleeve 9, are arranged in sleeve 9 Internal level-one heat pipe 6, secondary heat pipe 8 are arranged in the collecting end of heat 1 of 6 side of level-one heat pipe and setting in 6 other side of level-one heat pipe Heat supply end 3, and the regenerative apparatus 2 in 8 one end of secondary heat pipe is set, the level-one heat pipe 6 divides for evaporation ends A, condensation end B, 6 evaporation ends A of the level-one heat pipe stretch into collecting end of heat 1, and 6 condensation end B of the level-one heat pipe stretches into heat supply end 3;The two level heat For pipe 8 between the collecting end of heat 1 and heat supply end 3, the secondary heat pipe 8 includes the first heat-exchange end D, the second heat-exchange end C, described Second heat-exchange end C is inserted into regenerative apparatus 2, and the first heat-exchange end D stretches into heat supply end 3;It is sent out with Stirling 3 side of the heat supply end Motivation 4 connects.
The Stirling engine 4 includes fixed plate 401, hot cylinder 402, cold cylinder 403, runner 408, transmission shaft 407, the hot cylinder 402 and cold cylinder 403 are separately positioned on 401 both sides of fixed plate, 402 side of the hot cylinder and heat supply end The piston rod of 3 fittings, 402 other side of the hot cylinder passes through fixed plate 401 hinged with connecting rod 404, the connecting rod 404 and first Eccentric block 406 is hinged, and 403 piston rod of the cold cylinder and the second eccentric block 405 are hinged, and the setting of the runner 408 is inclined first Between heart block 406 and the second eccentric block 405, the runner 408, the first eccentric block 406 and the second eccentric block 405 are separately positioned on On transmission shaft 407, the runner 408 is driven by belt and driving wheel 409.
The secondary heat pipe 8 includes three or more single tubes, and each single tube is parallel and circular with level-one heat pipe 6 or is arranged in Around the level-one heat pipe 6.
The regenerative apparatus 2 is phase change heat storage material layer, and the phase change heat storage material layer is integral type column structure, described Second heat-exchange end C of each single tube is inserted into the inside of phase change heat storage material layer in secondary heat pipe 8.
The heat-storing material layer is calcium chloride hexahydrate, and the heat-storing material layer is Sodium acetate trihydrate, the heat-storing material layer For Organic Alcohol.
Sleeve 9 between the collecting end of heat 1 and heat supply end 3 vacuumizes sleeve 9, the level-one heat pipe 6, two level for closed Heat pipe 8, regenerative apparatus 2, which is arranged at, to be vacuumized in sleeve 9.
It is enclosed with layer of insulation material 5 outside the level-one heat pipe 6.
There is 7 structure of liquid-sucking core inside 8 tube wall of the level-one heat pipe 6 and secondary heat pipe.
The level-one heat pipe 6 is unidirectional heat pipe, and the secondary heat pipe 8 is restrained for two-way heat tube.
The use principle of the present invention is summarized as follows:
When external heat is enough, the level-one heat pipe works, and the working medium in level-one heat pipe absorbs thermal-arrest in evaporation ends A evaporations The heat for holding aggregation, transfers heat to level-one condensation end of heat pipe B, and working medium will be a part of hot in level-one condensation end of heat pipe B condensations Amount is output to heat supply end 3, and heat source is provided for Stirling engine 4, and another part heat is by the working medium in secondary heat pipe 8 by heat Phase change heat storage material is transmitted to be stored;When the external heat of collecting end of heat aggregation is insufficient to allow the level-one heat pipe 6 to work, Phase change heat storage material is undergone phase transition, and releases the heat of storage, and the heat supply end 3 is transferred heat to by secondary heat pipe 8, is this Special woods engine 4 provides heat source;
When the phase change heat storage material undergoes phase transition storage heat, the second heat-exchange end of secondary heat pipe C is evaporation ends, two level heat The first heat-exchange end of pipe D is condensation end;When the phase change heat storage material undergoes phase transition release heat, the first heat-exchange end of secondary heat pipe D For evaporation ends, the second heat-exchange end of secondary heat pipe C is condensation end.
Example the above is only the implementation of the present invention is not intended to limit the scope of the invention, every to utilize this hair Equivalents made by bright specification and accompanying drawing content are applied directly or indirectly in relevant technical field, are similarly included in In the scope of patent protection of the present invention.

Claims (9)

1. a kind of heat accumulating type Stirling engine using heat pipe, including continuous heat supply device are arranged in heat pipe power supply device one The Stirling engine of side(4), it is characterised in that:The continuous heat supply device includes external sleeve(9), it is arranged in sleeve (9)Internal level-one heat pipe(6), secondary heat pipe(8), it is arranged in level-one heat pipe(6)The collecting end of heat of side(1)With setting in level-one Heat pipe(6)The heat supply end of the other side(3), and be arranged in secondary heat pipe(8)The regenerative apparatus of one end(2), the level-one heat pipe (6)It is divided into evaporation ends(A), condensation end(B), the level-one heat pipe(6)Evaporation ends(A)Stretch into collecting end of heat(1), the level-one heat pipe (6)Condensation end(B)Stretch into heat supply end(3);The secondary heat pipe(8)Positioned at the collecting end of heat(1)With heat supply end(3)Between, institute State secondary heat pipe(8)Including the first heat-exchange end(D), the second heat-exchange end(C), second heat-exchange end(C)It is inserted into regenerative apparatus (2), first heat-exchange end(D)Stretch into heat supply end(3);The heat supply end(3)Side and Stirling engine(4)Connection.
2. a kind of heat accumulating type Stirling engine using heat pipe according to claim 1, it is characterised in that:This described spy Woods engine(4)Including fixed plate(401), hot cylinder(402), cold cylinder(403), runner(408), transmission shaft(407), institute State hot cylinder(402)And cold cylinder(403)It is separately positioned on fixed plate(401)Both sides, the hot cylinder(402)Side and heat supply End(3)Fitting, the hot cylinder(402)The piston rod of the other side passes through fixed plate(401)With connecting rod(404)It is hinged, the company Bar(404)With the first eccentric block(406)It is hinged, the cold cylinder(403)Piston rod and the second eccentric block(405)It is hinged, it is described Runner(408)It is arranged in the first eccentric block(406)With the second eccentric block(405)Between, the runner(408), the first eccentric block (406)With the second eccentric block(405)It is separately positioned on transmission shaft(407)On, the runner(408)Pass through belt and driving wheel (409)Transmission.
3. a kind of heat accumulating type Stirling engine using heat pipe according to claim 1, it is characterised in that:The two level Heat pipe(8)Include three or more single tubes, each single tube with level-one heat pipe(6)It is parallel and circular or be arranged in the level-one heat pipe (6)Around.
4. a kind of heat accumulating type Stirling engine using heat pipe according to claim 1, it is characterised in that:The accumulation of heat Device(2)For phase change heat storage material layer, the phase change heat storage material layer is integral type column structure, the secondary heat pipe(8)In Second heat-exchange end of each single tube(C)It is inserted into the inside of phase change heat storage material layer.
5. a kind of heat accumulating type Stirling engine using heat pipe according to claim 4, it is characterised in that:The accumulation of heat Material layer is calcium chloride hexahydrate, and the heat-storing material layer is Sodium acetate trihydrate, and the heat-storing material layer is Organic Alcohol.
6. a kind of heat-pipe apparatus having heat storage capacity according to claim 1, it is characterised in that:The collecting end of heat(1)With Heat supply end(3)Between sleeve(9)Sleeve is vacuumized for closed(9), the level-one heat pipe(6), secondary heat pipe(8), accumulation of heat Device(2)It is arranged at and vacuumizes sleeve(9)It is interior.
7. a kind of heat-pipe apparatus having heat storage capacity according to claim 1, it is characterised in that:The level-one heat pipe(6) Outside is enclosed with layer of insulation material(5).
8. a kind of heat-pipe apparatus having heat storage capacity according to claim 1, it is characterised in that:The level-one heat pipe(6) And secondary heat pipe(8)There is liquid-sucking core inside tube wall(7)Structure.
9. a kind of heat-pipe apparatus having heat storage capacity according to claim 1, it is characterised in that:The level-one heat pipe(6) For unidirectional heat pipe, the secondary heat pipe(8)It is restrained for two-way heat tube.
CN201810269111.0A 2018-03-29 2018-03-29 A kind of heat accumulating type Stirling engine using heat pipe Pending CN108412634A (en)

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Application Number Priority Date Filing Date Title
CN201810269111.0A CN108412634A (en) 2018-03-29 2018-03-29 A kind of heat accumulating type Stirling engine using heat pipe

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Application Number Priority Date Filing Date Title
CN201810269111.0A CN108412634A (en) 2018-03-29 2018-03-29 A kind of heat accumulating type Stirling engine using heat pipe

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4586334A (en) * 1985-01-23 1986-05-06 Nilsson Sr Jack E Solar energy power generation system
CN202904968U (en) * 2012-10-10 2013-04-24 天津启星动力科技有限公司 Stirling generator
JP2014047770A (en) * 2012-09-04 2014-03-17 Kenjiro Kusunoki Stirling engine
CN104653329A (en) * 2013-11-17 2015-05-27 成都奥能普科技有限公司 Heat accumulating type stirling generator set and mobile unit
CN107061203A (en) * 2017-05-10 2017-08-18 北京航空航天大学 A kind of solar energy Stirling electricity generation system
CN208380714U (en) * 2018-03-29 2019-01-15 南昌大学 A kind of heat accumulating type Stirling engine using heat pipe

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4586334A (en) * 1985-01-23 1986-05-06 Nilsson Sr Jack E Solar energy power generation system
JP2014047770A (en) * 2012-09-04 2014-03-17 Kenjiro Kusunoki Stirling engine
CN202904968U (en) * 2012-10-10 2013-04-24 天津启星动力科技有限公司 Stirling generator
CN104653329A (en) * 2013-11-17 2015-05-27 成都奥能普科技有限公司 Heat accumulating type stirling generator set and mobile unit
CN107061203A (en) * 2017-05-10 2017-08-18 北京航空航天大学 A kind of solar energy Stirling electricity generation system
CN208380714U (en) * 2018-03-29 2019-01-15 南昌大学 A kind of heat accumulating type Stirling engine using heat pipe

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