CN105134298A - Free piston type temperature difference electric generator - Google Patents
Free piston type temperature difference electric generator Download PDFInfo
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- CN105134298A CN105134298A CN201510584952.7A CN201510584952A CN105134298A CN 105134298 A CN105134298 A CN 105134298A CN 201510584952 A CN201510584952 A CN 201510584952A CN 105134298 A CN105134298 A CN 105134298A
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Abstract
The invention provides a free piston type temperature difference electric generator. The electric generator comprises an ECU, switch type heat-exchange device assemblies, an air cylinder and a free piston. A magnet is installed on the surface, close to the air cylinder wall, of the free piston. An electric conduction coil winding is installed at the outer side of the air cylinder. The magnet installed on the piston is a permanent magnet. A cylindrical closed space is formed inside the air cylinder, and the left side of the air cylinder is symmetrical to the right side of the air cylinder in height. The piston is in a cylindrical shape, and the left side of the piston is symmetrical to the right side of the piston in height. The switch type heat-exchange device assemblies are installed at cylinder covers at the left side and the right side of the air cylinder and are the same in number. The multiple switch type heat-exchange device assemblies are under unified control of the ECU. By means of the free piston type temperature difference electric generator, temperature difference can be converted into electricity to be output directly, and the electric generator can be applied to such fields as solar energy photo-thermal power generation, industrial waste heat recovery and liquefied air energy storage.
Description
Technical field
The present invention relates to the technical field of generator, also may relate to the technical field of motor, especially relate to a kind of grammed switch formula temp difference engine (see number of patent application 201410058639.5).
Background technique
Grammed switch formula temp difference engine (see number of patent application 201410058639.5) utilizes the temperature difference to produce power, has application prospect widely at energy-conservation and new energy field.But when grammed switch formula temp difference engine is applied to power field, first heat energy drive piston movement, then by connecting rod, bent axle transmission power, and then drive generator operation, medium tache is many, and energy loss is comparatively large, and thermal energy is that the efficiency of electric energy is lower.Therefore, be applied to power field, need the technological scheme that efficiency is higher.
Summary of the invention
The present invention proposes a kind of free piston type thermal generator.Free piston type thermal generator utilizes the temperature difference to produce draught head, then draught head is converted into the motion of free-piston, is then that electric power exports by electromagnetic induction by the conversion of motion of free-piston.Technological scheme of the present invention is: a kind of free piston type thermal generator, comprises ECU, the combination of switch type heat-exchange device, cylinder, free-piston.Free-piston is provided with magnet near the surface of cylinder wall.The outside of cylinder is provided with conductive coil winding.
The cylinder cap place, the left and right sides of described cylinder is provided with the combination of switch type heat-exchange device.
The switch type heat-exchange device number of combinations that the left and right sides of described cylinder is installed is equal.
The cylinder head of the left and right sides of described cylinder is provided with through hole, and its quantity is that the switch type heat-exchange device number of combinations that cylinder cap is installed is multiplied by 2, and through hole is used for gas working medium and flows between cylinder and switch type heat-exchange device combine.
Described switch type heat-exchange device combination, its intake valve, ventilation door, exhaust valve are solenoid valve, control by ECU is unified.
Described piston is cylindric, left and right sides high degree of symmetry.
The described magnet be arranged on piston is permanent magnetic iron.
Described cylinder interior is cylindric confined space, left and right sides high degree of symmetry.
Beneficial effect of the present invention
The present invention is the application of grammed switch formula temp difference engine in thermo-electric generation field.Common generation mode is all employing heat engine is power by thermal energy, then drive electrical generators generating.Owing to often will transmit power by a lot of mechanical link with this generation mode of heat engine drive electrical generators, each link can produce power be lost, and therefore generating efficiency is lower.And technological scheme provided by the present invention, more direct to electric transformation of energy from heat energy, higher generating efficiency can be obtained.This invention can be widely used in solar light-heat power-generation, industrial waste heat reclaims, automobile engine waste heat reclaims, utilizes liquefied air to carry out the fields such as energy storing and electricity generating; all huge effect will be produced with fields such as alternative traditional energy, Waste Heat Reuse for Renewable Energy Development; all can will make tremendous contribution to energy-saving and emission-reduction, protection of the environment and industrial repositioning upgrading, will the arrival in a green industry civilization be impelled.
Accompanying drawing explanation
Fig. 1 is free piston type thermal generator entirety composition structural representation;
Heater in figure in 1. left-side switch formula heat-exchange device combinations, 2. the exhaust valve in the combination of left-side switch formula heat-exchange device, 3.ECU control unit, 4. the exhaust valve in the combination of right-side switch formula heat-exchange device, 5. the heater in the combination of right-side switch formula heat-exchange device, 6. the ventilation door in the combination of right-side switch formula heat-exchange device, 7. the radiator in the combination of right-side switch formula heat-exchange device, 8. the intake valve in the combination of right-side switch formula heat-exchange device, 9. cylinder block, 10. free-piston, 11. permanent magnetic irons, 12. conductive coils, intake valve in 13. left-side switch formula heat-exchange device combinations, cooler in 14. left-side switch formula heat-exchange device combinations, ventilation door in 15. left-side switch formula heat-exchange device combinations.
Mode of execution
Embodiment one: see Fig. 1, a kind of free piston type thermal generator, comprises ECU, the combination of switch type heat-exchange device, cylinder, free-piston.Free-piston is provided with magnet near the surface of cylinder wall.The outside of cylinder is provided with conductive coil winding.
The cylinder cap place, the left and right sides of described cylinder is provided with the combination of switch type heat-exchange device.
The switch type heat-exchange device number of combinations that the left and right sides of described cylinder is installed is equal.
The cylinder head of the left and right sides of described cylinder is provided with through hole, and its quantity is that the switch type heat-exchange device number of combinations that cylinder cap is installed is multiplied by 2, and through hole is used for gas working medium and flows between cylinder and switch type heat-exchange device combine.
Described switch type heat-exchange device combination, its intake valve, ventilation door, exhaust valve are solenoid valve, control by ECU is unified.
Described piston is cylindric, left and right sides high degree of symmetry.
The described magnet be arranged on piston is permanent magnetic iron.
Described cylinder interior is cylindric confined space, left and right sides high degree of symmetry.
The present invention is the application of grammed switch formula temp difference engine in thermo-electric generation field.Common generation mode is all employing heat engine is power by thermal energy, then drive electrical generators generating.Because the generation mode of heat engine drive electrical generators often will transmit power by a lot of mechanical link, each link can produce power be lost, and therefore generating efficiency is lower.And technological scheme provided by the present invention, due to more direct to electric transformation of energy from heat energy, higher generating efficiency can be obtained.
Free-piston generator can be considered by the grammed switch formula temp difference engine of two single cylinders and forming of a generator, the grammed switch formula temp difference engine cylinder of two single cylinders is opposed, the piston that free-piston is equivalent to two cylinders is merged together, and becomes the shared piston of two cylinders.Two cylinders are distributed in the both sides of piston, the cylinder cap of each cylinder are provided with the switch type heat-exchange device combination of same quantity.
For steady during work, the left and right sides is designed to full symmetric, and no matter be free-piston, cylinder, the combination of switch type heat-exchange device, the left and right sides is all designed to higher conformity, to reach symmetrical effect.
Installed magnet on the surface of free-piston, therefore free-piston also plays the effect of the rotor of generator simultaneously.But in technical solutions according to the invention, free-piston is not in a rotating manner, but works in the mode moved in parallel.The magnet that free-piston surface is installed moves along with free-piston, in the conductive coil being looped around cylinder outer surface, produce induction electromotive force, produces electric energy and exports.Be converted in the mechanical motion of free-piston in the process of electric energy output, the mechanical transmission mechanism not through bent axle, connecting rod and so on carries out power transmission, decreases the energy loss of energy transfer process.
The magnet that free-piston surface is installed is permanent magnetic iron, can tolerate certain high temperature.
The intake valve of the switch type heat-exchange device combination installed, exhaust valve, ventilation door are solenoid valve, control by ECU is unified.ECU is according to piston position and trend, control the switch type heat-exchange device combination that left and right sides cylinder head is installed, make its intake valve, exhaust valve, ventilation door is in and opens or off state, flow by correct mode with the gas working medium controlled in heat exchanger, and promote free-piston acting.
Claims (8)
1. a free piston type thermal generator, comprises ECU, the combination of switch type heat-exchange device, cylinder, free-piston.Free-piston is provided with magnet near the surface of cylinder wall.The outside of cylinder is provided with conductive coil winding.
2. free piston type thermal generator according to claim 1, is characterized in that: the cylinder cap place, the left and right sides of described cylinder is provided with the combination of switch type heat-exchange device.
3. free piston type thermal generator according to claim 2, is characterized in that: the switch type heat-exchange device number of combinations that the left and right sides of described cylinder is installed is equal.
4. the free piston type thermal generator according to claim 1,2, it is characterized in that: the cylinder head of the left and right sides of described cylinder is provided with through hole, its quantity is that the switch type heat-exchange device number of combinations that cylinder cap is installed is multiplied by 2, and through hole is used for gas working medium and flows between cylinder and switch type heat-exchange device combine.
5. free piston type thermal generator according to claim 1, is characterized in that: described switch type heat-exchange device combination, and its intake valve, ventilation door, exhaust valve are solenoid valve, controls by ECU is unified.
6. free piston type thermal generator according to claim 1, is characterized in that: described piston is cylindrical shape, left and right sides high degree of symmetry.
7. free piston type thermal generator according to claim 1, is characterized in that: described in the magnet be arranged on piston be permanent magnetic iron.
8. free piston type thermal generator according to claim 1, is characterized in that: described cylinder interior is cylindric confined space, left and right sides high degree of symmetry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510584952.7A CN105134298A (en) | 2015-09-15 | 2015-09-15 | Free piston type temperature difference electric generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510584952.7A CN105134298A (en) | 2015-09-15 | 2015-09-15 | Free piston type temperature difference electric generator |
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| Publication Number | Publication Date |
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| CN105134298A true CN105134298A (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510584952.7A Pending CN105134298A (en) | 2015-09-15 | 2015-09-15 | Free piston type temperature difference electric generator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855292A (en) * | 2021-01-21 | 2021-05-28 | 西安交通大学 | Liquefied air energy storage-temperature difference power generation coupling system and working method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101883912A (en) * | 2007-10-04 | 2010-11-10 | 希尔莱特有限责任公司 | Electromagnetic engine |
| CN103790635A (en) * | 2014-02-21 | 2014-05-14 | 虞一扬 | Programmed switch type temperature difference engine |
| CN104500261A (en) * | 2014-12-01 | 2015-04-08 | 上海领势新能源科技有限公司 | Multi-cylinder type temperature difference engine |
-
2015
- 2015-09-15 CN CN201510584952.7A patent/CN105134298A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101883912A (en) * | 2007-10-04 | 2010-11-10 | 希尔莱特有限责任公司 | Electromagnetic engine |
| CN103790635A (en) * | 2014-02-21 | 2014-05-14 | 虞一扬 | Programmed switch type temperature difference engine |
| CN104500261A (en) * | 2014-12-01 | 2015-04-08 | 上海领势新能源科技有限公司 | Multi-cylinder type temperature difference engine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855292A (en) * | 2021-01-21 | 2021-05-28 | 西安交通大学 | Liquefied air energy storage-temperature difference power generation coupling system and working method thereof |
| CN112855292B (en) * | 2021-01-21 | 2022-06-17 | 西安交通大学 | Liquefied air energy storage-temperature difference power generation coupling system and working method thereof |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151209 |
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| RJ01 | Rejection of invention patent application after publication |