CN204532573U - A kind of Portable silent power supply - Google Patents
A kind of Portable silent power supply Download PDFInfo
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- CN204532573U CN204532573U CN201520066173.3U CN201520066173U CN204532573U CN 204532573 U CN204532573 U CN 204532573U CN 201520066173 U CN201520066173 U CN 201520066173U CN 204532573 U CN204532573 U CN 204532573U
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- heat exchanger
- free piston
- hot junction
- piston stirling
- heat
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Abstract
A kind of Portable silent power supply, 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 utility model relates to field of power supplies, particularly a kind of Portable silent power supply, and 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 16, 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 utility model 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
The purpose of this utility model is to provide a kind of compact structure, efficient, quiet portable power source system, to overcome the deficiency in existing portable electric source technology.
The technical solution of the utility model is as follows:
The Portable silent power supply that the utility model provides, 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 16, 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 room temperature heat-exchanging loop is 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, water pump 35, radiator 32, outlet pipe 36 and water control valve 34 and forms; Described water-flow circuit built with blower fan 33;
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 Si Tela generator.
The Portable silent power supply that the utility model provides 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 the utility model Portable silent power supply (embodiment).
Embodiment
The utility model is further described below in conjunction with drawings and Examples; But described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 2 is the structural representation of Portable silent power-supply system (embodiment) of the present utility model.As shown in Figure 2,
Portable silent power supply of the present utility model, 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 16, 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 room temperature heat-exchanging loop is 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, water pump 35, radiator 32, outlet pipe 36 and water control valve 34 and forms; Described water-flow circuit built with blower fan 33;
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 Si Tela 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 Si Tela generator and top pressure hull 2, after this heat conduction to hot junction internal exchanger 3, pass to free-piston Si Tela 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 Si Tela 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 Si Tela 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 utility model 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 the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, 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 each embodiment's technological scheme of the utility model.
Claims (4)
1. a Portable silent power supply, 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 (16), 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 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, water pump (35), radiator (32), outlet pipe (36) and water control valve (34) and forms; Described water-flow circuit built with blower fan (33);
Described suspension system (40) for N root column spring or semielliptic spring, itself and free piston stirling generator 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. Portable silent power supply according to claim 1, is characterized in that, the working medium of described free piston stirling generator is helium or nitrogen.
3. Portable silent power supply according to claim 1, 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. Portable silent power supply according to claim 1, is characterized in that, described suspension system (40) is connected with indoor temperature end heat exchanger (6) shell of described free-piston Si Tela generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520066173.3U CN204532573U (en) | 2015-01-29 | 2015-01-29 | A kind of Portable silent power supply |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520066173.3U CN204532573U (en) | 2015-01-29 | 2015-01-29 | A kind of Portable silent power supply |
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| CN204532573U true CN204532573U (en) | 2015-08-05 |
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| CN201520066173.3U Active CN204532573U (en) | 2015-01-29 | 2015-01-29 | A kind of Portable silent power supply |
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