CN104564419B - A kind of Portable silent electric energy generating system - Google Patents
A kind of Portable silent electric energy generating system Download PDFInfo
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- CN104564419B CN104564419B CN201510048220.6A CN201510048220A CN104564419B CN 104564419 B CN104564419 B CN 104564419B CN 201510048220 A CN201510048220 A CN 201510048220A CN 104564419 B CN104564419 B CN 104564419B
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- Prior art keywords
- heat exchanger
- free piston
- hot junction
- piston stirling
- electric energy
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G1/00—Hot gas positive-displacement engine plants
- F02G1/04—Hot gas positive-displacement engine plants of closed-cycle type
- F02G1/043—Hot 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
- F02G1/0435—Hot 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 the engine being of the free piston type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G1/00—Hot gas positive-displacement engine plants
- F02G1/04—Hot gas positive-displacement engine plants of closed-cycle type
- F02G1/043—Hot 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
- F02G1/053—Component parts or details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G2254/00—Heat inputs
- F02G2254/10—Heat inputs by burners
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G2280/00—Output delivery
- F02G2280/10—Linear generators
Abstract
A kind of Portable silent electric energy generating system, it is made up of free piston stirling generator system, buner system and suspension system; Generator system comprises free piston stirling engine, linear electric motor, damping device and water-flow circuit; Outside heat is absorbed by the hot junction external heat exchanger of motor and passes to working medium via hot junction internal exchanger, by swelling heat absorption and the compression exothermic process of working medium, heat is converted into sound merit in regenerator, sound merit passes to power piston via discharger, drives the electric mover cutting magnetic line of linear electric motor to change into electric energy export by power piston; Damping device is connected on motor back of the body chamber; Water-flow circuit is connected to indoor temperature end outer cover of heat exchanger; Suspension system is be the column spring that is connected of suspension type or semielliptic spring with free piston stirling generator; This device has high, portable, the quiet and high reliability of compact structure, specific power.
Description
Technical field
The present invention relates to field of power supplies, particularly a kind of Portable silent electric energy generating system, it adopts a free piston stirling generator heat that one burner produces to be converted to stable electric power and exports, and makes this power supply have high reliability by a suspension system.
Background technique
The fields such as compact power moves out of doors, encamp, field work, island and military affairs have a wide range of applications basis, for produce and lifestyle device provides reliable and stable electric power.The thermal energy that the compact power of current commercialization adopts internal-combustion engine gasoline or diesel combustion to be produced mostly is electric energy.Compare the movable power source modes such as storage battery, it is high that this kind of compact power has energy density, the advantage such as to continue a journey convenient.But it is large that the main problem of this compact power is noise, its noise specification is 60 decibels (7 meters are far away), higher than normal work and life the index of patient about 50 decibels; Maintenance period is short, and maintenance cost is high, and being generally tens hours will safeguard spark plug, fuel tank and fuel oil filter etc.; Maintenance work is complicated, comprises and needs to clean spark plug, fuel tank, fuel oil filter and valve etc. and adjustment etc., seriously constrain the application of compact power.
External-burning type heat engine is the another kind of thermal machine that can be used to make compact power, and the thermal energy that liquid or gas fuel combustion can produce by it is mechanical work, and this mechanical work can be converted into electric energy by a motor and export.The suitability of fuel of external-burning type heat engine is wide, can adopt the conventional fuel such as gasoline, diesel oil, living beings also can be adopted as fuel, even directly can adopt the used heat etc. that other heater produces.In external-burning type heat engine, free piston stirling engine is a kind of heat engine having very much application potential.The free piston stirling generator that it is connected with linear electric generator and forms not only has the wide advantage of external-burning type heat engine suitability of fuel, also has following outstanding advantages.The first, its inner inorganic tool transmission part, oil-free lubrication, thus its reliability is high, and the theoretical life-span can endless, without the need to any maintenance measure; The second, it adopts the gas such as helium or nitrogen as working medium, environmental protection; 3rd, several kilowatts and following power magnitude, its efficiency comparatively internal-combustion engine is higher; 4th, it is by promoting the specific power (body weight needed for unit generated output) of the mode elevator system such as frequency of okperation, and system is compacter, more portable; Finally, its internal mechanical movements parts all does straight line motion, and can adopt initiatively or passive mode damping, thus it has outstanding quietness.
Fig. 1 is a kind of free piston stirling electric generator structure system schematic.As shown in Figure 1, this free piston stirling generator system comprises a free piston stirling engine and linear electric motor; Described free piston stirling engine by expansion chamber 1, withstand voltage cylinder body 2, hot junction internal exchanger 3, hot junction external heat exchanger 4, regenerator 5, indoor temperature end heat exchanger 6, discharger 7, compression chamber 8, power piston 9, planar support spring 12, hot junction step 14, discharger projection 15, discharger step 16 and protruding 17 compositions of power piston; Linear electric motor are then by linear motor stator electric 10, and electric mover 11 and motor back of the body chamber 13 form; Outside heat is absorbed by hot junction external heat exchanger 4, and pass to working medium via hot junction internal exchanger 3, by the process that moves in circles such as swelling heat absorption, compression heat release of working medium, this heat is converted into sound merit (a kind of mechanical work) in regenerator 5, sound merit passes to power piston 9 via discharger 7, finally change into electric energy by power piston 9 drive motor mover 11 cutting magnetic line to export, thus complete the conversion from heat energy to electric energy.This innovation structure introduces integrated hot end heat exchanger manufacturing process, dry friction technology and gas anti-collision structure, simplifies manufacturing process, reduces manufacture cost and improves reliability further, for large-scale application creates condition.
The present invention utilizes above-mentioned technical specifications just, further proposition is applicable to the application structure of compact power, introduce suspension system innovatively, effectively reduce the requirement of power supply to laying state, make this compact power adapt to different usage mode, there is very strong adaptability and high reliability.
Summary of the invention
A kind of compact structure, efficient, quiet portable electric energy is the object of the present invention is to provide to produce system, to overcome the deficiency in existing portable electric energy generation technology.
Technological scheme of the present invention is as follows:
Portable silent electric energy generating system provided by the invention, it is made up of free piston stirling generator system 19, buner system 20 and suspension system 40;
Described free piston stirling generator system 19 comprises free piston stirling engine and linear electric motor; Described free piston stirling engine by expansion chamber 1, withstand voltage cylinder body 2, hot junction internal exchanger 3, hot junction external heat exchanger 4, regenerator 5, indoor temperature end heat exchanger 6, discharger 7, compression chamber 8, power piston 9, planar support spring 12, hot junction step 14, discharger projection 15, discharger step 16 and protruding 17 compositions of power piston; Described linear electric motor are by linear motor stator electric 10, and electric mover 11 and motor back of the body chamber 13 form; Outside heat is absorbed by hot junction external heat exchanger 4, and pass to working medium via hot junction internal exchanger 3, by the swelling heat absorption of working medium and the process that moves in circles of compression heat release, heat is converted into sound merit in regenerator 5, this sound merit passes to power piston 9 via discharger 7, finally change into electric energy by power piston 9 drive motor mover 11 cutting magnetic line to export, to complete the conversion from heat energy to electric energy; It is characterized in that: described free piston stirling generator system 19 also comprises damping device 18 and room temperature heat-exchanging loop; Described damping device 18 is connected on described motor back of the body chamber 13, and is made up of surface plate spring and mass block; Described water-flow circuit is made up of the intake pipe 31 be connected successively, radiator 32 and outlet pipe 36, and described intake pipe 31 and outlet pipe 36 are connected to indoor temperature end heat exchanger 6 shell; Water pump 35 pipeline of intake pipe 31 is equipped with; Water control valve 34 pipeline of outlet pipe 36 is equipped with; Blower fan 33 is equipped with in the outside of radiator 32;
Described suspension system 40 is N root column spring or semielliptic spring, and itself and free piston stirling generator and linear electric motor are that suspension type is connected, and wherein N is the positive integer of 3-10.
Described buner system 20 is by firing chamber 21, by fuel-supply pipe 25 and be loaded on fuel cylinder 27 that the fuel control valve 26 on fuel-supply pipe 25 is connected with described firing chamber 21 and contra-flow heat exchanger 23 forms; The suction port of described firing chamber 21 is connected with described contra-flow heat exchanger 23 respectively by suction tude and steam outlet pipe with air outlet; The inlet end of described contra-flow heat exchanger 23 is equipped with the suction tude of starting point band supply fan 24; Flue gas in described firing chamber 21 is discharged via after described contra-flow heat exchanger 23; Charge as butane or other inflammable gass in described fuel cylinder 27;
The expansion chamber 1 of described free piston stirling engine, withstand voltage cylinder body 2, hot junction internal exchanger 3 and hot junction external heat exchanger 4 are positioned within the firing chamber 21 of described buner system 20.
The working medium of described free piston stirling engine is helium or nitrogen.Described withstand voltage cylinder body 2 and the hot junction external heat exchanger 4 of being located at its outside are processed into for commaterial integration.Described suspension system 40 is connected with indoor temperature end heat exchanger 6 shell of described free piston stirling engine.
Portable silent electric energy generating system provided by the invention have employed free piston stirling generator, and it is simple that it has technique, the low and high reliability of cost; The column spring or the semielliptic spring that have employed low cost effectively reduce system noise as suspension system, make system have outstanding muting function, and this suspension structures makes quiet power supply adapt to different modes of emplacements simultaneously, enhances system reliability and applicability; Suitability of fuel is wide, energy density is high and the feature such as easy and simple to handle to adopt burner to the heat supply of free piston stirling generator, system to be had.
Accompanying drawing explanation
Fig. 1 is free piston stirling electric generator structure schematic diagram;
Fig. 2 is the structural representation of Portable silent electric energy generating system (embodiment) of the present invention.
Embodiment
The present invention is further described below in conjunction with drawings and Examples; But described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 2 is the structural representation of Portable silent electric energy generating system (embodiment) of the present invention.As shown in Figure 2,
Portable silent electric energy generating system of the present invention, it is made up of free piston stirling generator system 19, buner system 20 and suspension system 40;
Described free piston stirling generator system 19 comprises free piston stirling engine and linear electric motor; Described free piston stirling engine by expansion chamber 1, withstand voltage cylinder body 2, hot junction internal exchanger 3, hot junction external heat exchanger 4, regenerator 5, indoor temperature end heat exchanger 6, discharger 7, compression chamber 8, power piston 9, planar support spring 12, hot junction step 14, discharger projection 15, discharger step 16 and protruding 17 compositions of power piston; Described linear electric motor are by linear motor stator electric 10, and electric mover 11 and motor back of the body chamber 13 form; Outside heat is absorbed by hot junction external heat exchanger 4, and pass to working medium via hot junction internal exchanger 3, by the swelling heat absorption of working medium and the process that moves in circles of compression heat release, heat is converted into sound merit in regenerator 5, this sound merit passes to power piston 9 via discharger 7, finally change into electric energy by power piston 9 drive motor mover 11 cutting magnetic line to export, to complete the conversion from heat energy to electric energy; Described free piston stirling generator system 19 also comprises damping device 18 and room temperature heat-exchanging loop; Described damping device 18 is connected on described motor back of the body chamber 13, and is made up of surface plate spring and mass block; Described water-flow circuit, by indoor temperature end heat exchanger 6 shell being connected to described free piston stirling generator successively forms the intake pipe 31 of water-flow circuit, radiator 32, water control valve 34 and outlet pipe 36 and forms, the pipeline of intake pipe 31 is equipped with water pump 35; Blower fan 33 is equipped with in the outside of described radiator 32;
Described suspension system 40 is N root column spring or semielliptic spring, and itself and free piston stirling generator are that suspension type is connected, and wherein N is the positive integer of 3-10.
Described buner system 20 is by firing chamber 21, by fuel-supply pipe 25 and be loaded on fuel cylinder 27 that the fuel control valve 26 on fuel-supply pipe 25 is connected with described firing chamber 21 and contra-flow heat exchanger 23 forms; The suction port of described firing chamber 21 is connected with described contra-flow heat exchanger 23 respectively by suction tude and steam outlet pipe with air outlet; The inlet end of described contra-flow heat exchanger 23 is equipped with the suction tude of starting point band supply fan 24; Flue gas in described firing chamber 21 is discharged via after described contra-flow heat exchanger 23; Charge as butane or other inflammable gass in described fuel cylinder 27;
The expansion chamber 1 of described free piston stirling engine, withstand voltage cylinder body 2, hot junction internal exchanger 3 and hot junction external heat exchanger 4 are positioned within the firing chamber 21 of described buner system 20.
The working medium of described free piston stirling generator is helium or nitrogen.
Described withstand voltage cylinder body 2 and the hot junction external heat exchanger 4 of being located at its outside are processed into for commaterial integration.
Described suspension system 40 is connected with indoor temperature end heat exchanger 6 shell of described free piston stirling generator.
In the present embodiment, first buner system is opened, after fully being mixed with the fresh air entered by suction tude 22 by fuel cylinder 27 fuel out in firing chamber 21 Thorough combustion, the hot junction external heat exchanger 4 of a large amount of radiations heat energy that burning produces and flue gas heat continuous heating free piston stirling generator and top pressure hull 2, after this heat conduction to hot junction internal exchanger 3, pass to free piston stirling generator working medium by hot junction internal exchanger 3 subsequently; Converting heat is sound merit (mechanical energy) by working medium in regenerator 5, the heat that cannot change and leakage heat are then taken away by indoor temperature end heat exchanger 6, and pass through room temperature heat-exchanging loop by this heat transportation to radiator 32, in the final environment drained into by blower fan 33 outside power supply, the major part of regenerator 5 generation sound merit is used for propulsion power piston 9 and electric mover 11 generates electricity, and remaining sound merit is then got back in regenerator 5 and continued to be exaggerated after indoor temperature end heat exchanger 6; On the other hand, flue gas with the hot junction external heat exchanger 4 and top pressure hull 2 heat exchange of free piston stirling generator after, through contra-flow heat exchanger 23, after-heat is passed to the fresh air entered by suction tude 22, last low-temperature flue gas is discharged by smoke-ejecting pipe 28.During free piston stirling generator operation, its pressure hull 2 also will produce double vibrations, and the overwhelming majority of this vibration is absorbed by damping device 18, and remaining shakes the system 40 that is then draped and absorbs; This suspension system 40 can not only absorbing vibration, can also make power-supply system of the present invention by the constraint of modes of emplacement, namely level, vertically to place etc. and all can normally work.
Last it is noted that above embodiment is only in order to illustrate technological scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technological scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technological scheme.
Claims (4)
1. a Portable silent electric energy generating system, it is made up of free piston stirling generator system (19), buner system (20) and suspension system (40);
Described free piston stirling generator system (19) comprises free piston stirling engine and linear electric motor; Described free piston stirling engine is by expansion chamber (1), withstand voltage cylinder body (2), hot junction internal exchanger (3), hot junction external heat exchanger (4), regenerator (5), indoor temperature end heat exchanger (6), discharger (7), compression chamber (8), power piston (9), planar support spring (12), hot junction step (14), discharger projection (15), discharger step (16) and power piston projection (17) composition; Described linear electric motor are by linear motor stator electric (10), and electric mover (11) and motor back of the body chamber (13) form; Outside heat is absorbed by hot junction external heat exchanger (4), and pass to working medium via hot junction internal exchanger (3), by the swelling heat absorption of working medium and the process that moves in circles of compression heat release, heat is converted into sound merit in regenerator (5), this sound merit passes to power piston (9) via discharger (7), finally change into electric energy by power piston (9) drive motor mover (11) cutting magnetic line to export, to complete the conversion from heat energy to electric energy; It is characterized in that: described free piston stirling generator system (19) also comprises damping device (18) and water-flow circuit; Described damping device (18) is connected on described motor back of the body chamber (13), and is made up of surface plate spring and mass block; Described water-flow circuit is made up of the intake pipe be connected successively (31), radiator (32) and outlet pipe (36), and described intake pipe (31) and outlet pipe (36) are connected to indoor temperature end heat exchanger (6) shell; The pipeline of intake pipe (31) is equipped with water pump (35), the pipeline of outlet pipe (36) is equipped with water control valve (34); Blower fan (33) is equipped with in the outside of radiator (32);
Described suspension system (40) for N root column spring or semielliptic spring, itself and free piston stirling engine and linear electric motor be that suspension type is connected, wherein N is the positive integer of 3-10;
Described buner system (20) is by firing chamber (21), by fuel-supply pipe (25) and be loaded on fuel cylinder (27) that the fuel control valve (26) on fuel-supply pipe (25) is connected with described firing chamber (21) and contra-flow heat exchanger (23) forms; The suction port of described firing chamber (21) is connected with described contra-flow heat exchanger (23) respectively by suction tude and steam outlet pipe with air outlet; The inlet end of described contra-flow heat exchanger (23) is equipped with the suction tude of starting point band supply fan (24); Flue gas in described firing chamber (21) is discharged via after described contra-flow heat exchanger (23); Charge as butane or other inflammable gass in described fuel cylinder (27);
The expansion chamber (1) of described free piston stirling engine, withstand voltage cylinder body (2), hot junction internal exchanger (3) and hot junction external heat exchanger (4) are positioned within the firing chamber (21) of described buner system (20).
2., by Portable silent electric energy generating system according to claim 1, it is characterized in that, the working medium of described free piston stirling engine is helium or nitrogen.
3. by Portable silent electric energy generating system according to claim 1, it is characterized in that, described withstand voltage cylinder body (2) and the hot junction external heat exchanger (4) of being located at its outside are processed into for commaterial integration.
4., by Portable silent electric energy generating system according to claim 1, it is characterized in that, described suspension system (40) is connected with indoor temperature end heat exchanger (6) shell of free piston stirling engine.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510048220.6A CN104564419B (en) | 2015-01-29 | 2015-01-29 | A kind of Portable silent electric energy generating system |
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| CN201510048220.6A CN104564419B (en) | 2015-01-29 | 2015-01-29 | A kind of Portable silent electric energy generating system |
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| CN104564419A CN104564419A (en) | 2015-04-29 |
| CN104564419B true CN104564419B (en) | 2016-03-02 |
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Families Citing this family (5)
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| CN104964580B (en) * | 2015-06-19 | 2017-07-28 | 中国科学院理化技术研究所 | A kind of pipe bundle heat exchanger |
| CN106763393A (en) * | 2017-03-27 | 2017-05-31 | 重庆瑞阳鑫驰新能源汽车有限责任公司 | A kind of internal combustion unit of non-torque output |
| CN108375240A (en) * | 2018-02-09 | 2018-08-07 | 杨厚成 | A kind of outer housing for acoustic energy refrigeration machine |
| CN108131418A (en) * | 2018-02-09 | 2018-06-08 | 杨厚成 | A kind of damping spring mechanism for acoustic energy refrigeration machine |
| CN111964047A (en) * | 2020-07-10 | 2020-11-20 | 宁波卓成化纤有限公司 | Low-temperature low-nitrogen combustion system with environmental protection and energy saving functions |
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| CN101769212A (en) * | 2010-02-01 | 2010-07-07 | 雷涛 | Zero-leakage stirling machine |
| CN103423019A (en) * | 2013-07-23 | 2013-12-04 | 南京航空航天大学 | Magnetic restoring force type free piston Stirling engine |
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| JPH0357865A (en) * | 1989-07-27 | 1991-03-13 | Aisin Seiki Co Ltd | Combustor of sterling engine |
| JP2763173B2 (en) * | 1990-03-29 | 1998-06-11 | 株式会社東芝 | Portable power supply |
| JP4174619B2 (en) * | 2001-10-11 | 2008-11-05 | 株式会社レーベン販売 | External combustion engine driven by heat pump |
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| CN101769212A (en) * | 2010-02-01 | 2010-07-07 | 雷涛 | Zero-leakage stirling machine |
| CN103423019A (en) * | 2013-07-23 | 2013-12-04 | 南京航空航天大学 | Magnetic restoring force type free piston Stirling engine |
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