CN101270737B - Low heat thermoelectric generator - Google Patents
Low heat thermoelectric generator Download PDFInfo
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- CN101270737B CN101270737B CN2008100161281A CN200810016128A CN101270737B CN 101270737 B CN101270737 B CN 101270737B CN 2008100161281 A CN2008100161281 A CN 2008100161281A CN 200810016128 A CN200810016128 A CN 200810016128A CN 101270737 B CN101270737 B CN 101270737B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
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Abstract
The invention relates to a low heating temperature difference generator which belongs to energy saving dynamic equipment and includes a thermal acquisition air chamber filled with carrier, a pressure storing air chamber, a condensing tube, an impeller, a liquid storing chamber and a gas path device. The outlet of the thermal acquisition air chamber is connected with the gas path device which consists of the pressure storing air chamber, a power chamber and a pressure chamber. The outlet of the thermal acquisition air chamber is communicated with a pressure chamber. Resetting valves are respectively connected between the pressure storing chamber and the pressure chamber and between the pressure chamber and the power chamber. The pressure storing chamber is connected with the pressure storing air chamber. The outlet of the pressure storing chamber is connected with the liquid storing chamber through a reflux air duct. The outlet channel of the power chamber is equipped with the pneumatic impeller. The outlet of the power chamber is connected with the condensing tube through an air outlet pipe. The other end of the condensing tube is connected with the liquid storing chamber. The pressure chamber is equipped with a pressure measuring channel. A piston is arranged in the pressure measuring channel which is communicated with the air outlet pipe. The bottom of the liquid storing chamber is equipped with a liquid returning pipe which is connected with the inlet of the thermal acquisition chamber. The output shaft of the pneumatic impeller is connected with the generator. The low heating temperature difference generator has the advantages of simple structure and high heat utilization efficiency.
Description
Technical field
The present invention relates to a kind of low heat thermoelectric generator, belong to energy-conservation power equipment.
Background technique
The energy shortage problem is a great problem that the world today faces, at how effectively utilizing low temperature exhaust heat that several different methods is arranged.The employing that existing thermal generator has separates the thermal source of accumulator and temperature variation with thermal-protective coating and semiconductor temperature differential generating sheet, by semiconductor temperature differential generating sheet or the generating of conductor refrigeration sheet.One or more levels heat pump of the employing that also has enlarges the temperature difference, and adopts electrically charged interior circuit working steam cutting magnetic field and impact combustion gas wheel sheet to drive generator and generate electricity.These thermal generator heat utilization efficiencies and operational efficiency are low, and complex structure, and the cost height is difficult to safeguard.
Summary of the invention
The object of the present invention is to provide a kind of low heat thermoelectric generator, simple in structure, the heat utilization efficiency height.
Low heat thermoelectric generator of the present invention, comprise the thermal recovery collection chamber and the storage plenum chamber that are full of carrier, condensation tube, impeller, liquid storage room and gas path device, the outlet of thermal recovery collection chamber connects by storage presses the chamber, the gas path device that power cavity and pressure chamber are formed, the outlet of thermal recovery collection chamber is communicated with pressure chamber, storage is pressed between chamber and the pressure chamber and is connected by the valve that can reset respectively between pressure chamber and the power cavity, storage presses the chamber to connect the storage plenum chamber, storage presses the outlet in chamber to connect liquid storage room by the backflow airway, the outlet passage of power cavity is provided with air impeller, the outlet of power cavity connects condensation tube by steam outlet pipe, the lower end of condensation tube connects liquid storage room, pressure chamber is provided with measuring pressure passage, measuring pressure passage inside is provided with piston, measuring pressure passage is communicated with steam outlet pipe, play the automatic control effect, the bottom of liquid storage room is provided with the inlet that liquid return pipe connects the thermal recovery collection chamber, and the output shaft of air impeller connects generator.
During use, after the carrier of thermal recovery collection chamber was heated by hot water, internal pressure rose, and the valve open between the chamber is pressed in pressure chamber and storage, and gas flows into and stores up plenum chamber.After storage pressed the pressure in the chamber to reach desirable value, the valve between pressure chamber and the power cavity was opened automatically, and the valve closing between the chamber is pressed in pressure chamber and storage simultaneously, and it is high pressure that chamber and storage plenum chamber inside are pressed in storage this moment.Air-flow is fast by outlet passage, and the work of impact air impeller drive generating compression set, and tail gas is through the cooling of condensation tube, and liquefaction collects in liquid storage room.When thermal recovery collection chamber pressure inside dropped to certain position, the piston of measuring pressure passage was opened the outlet that the chamber is pressed in storage by solenoid valve, and the pressurized gas in the storage plenum chamber enter liquid storage room by the backflow airway, and the liquid of liquid storage room inside is pushed back the thermal recovery collection chamber.At this moment, storage plenum chamber and storage press the pressure in the chamber to reduce, the valve closing between pressure chamber and the power cavity, and impeller shuts down.The thermal recovery collection chamber is heated, and begins new work cycle.
The output shaft of air impeller can directly connect the equipment that needs rotational power, and corresponding power supply is provided, as direct connection refrigeration compressor, motor etc.
The thermal recovery collection chamber is placed on the place that has surplus heat as required, as the water tank of solar water heater, cinder, underground heat, abundant warm water or the like.
Among the present invention:
Storage presses the outlet in chamber that the piston of electromagnetic valve is set, and the piston that measuring pressure passage is provided with connects magnetic switch, and magnetic switch electrically connects solenoid valve.Can control closing and opening of backflow airway automatically according to the measuring pressure passage pressure inside.
Resetted valving between pressure chamber and the power cavity comprises lever, piston and adjusting knob, and piston is arranged on storage and presses top of chamber, and the push rod of piston is with spring, and an end of push rod and lever adapts, the fixedly connected valve of the other end of lever.One end of push rod and lever adapts, promptly when piston is overcome spring force and promotes to move upward by pressure, and this end that can the jack-up lever.
The inlet that is connected with condensation tube of liquid storage room is provided with the anti-backflow stop valve, when preventing that the liquid in the liquid storage room pushed back the thermal recovery collection chamber, refluxes.
Liquid return pipe is provided with the anti-backflow stop valve, and when preventing that thermal recovery collection chamber internal pressure from increasing, pressurized gas pass back into liquid storage room.
The storage plenum chamber is provided with thermal insulation layer, prevents heat abstraction.
Carrier adopts low-boiling point liquid, as saturated propane.Boiling point is low, is fit to use.
Low heat thermoelectric generator of the present invention by utilizing waste heat or solar thermal energy, heats the low-boiling point liquid in the thermal recovery collection chamber, pressure in the thermal recovery collection chamber is raise, and high pressure draught drives and starts the impeller transmission, makes generator for electricity generation or compressor cooling, tail gas is through after the condensation, and is recycling.The present invention is converted into electric energy with low temperature heat energy, and sealing and circulating is used, and does not have environmental pollution, and with respect to regular solar generating, thermo-electric generation etc., cost is low, heat energy utilization rate height.
Description of drawings
Fig. 1, one embodiment of the invention structural representation.
The structural representation of Fig. 2, gas path device of the present invention.
Among the figure: 1, water tank 2, water 3, thermal recovery collection chamber 4, air chamber outlet 5, air chamber inlet 6, air impeller 7, output shaft 8, gas path device 9, steam outlet pipe 10, storage plenum chamber 11, backflow airway 12, condensation tube 13,16, anti-backflow stop valve 14, liquid storage room 15, liquid return pipe 17, solar energy heat collection pipe 18, power cavity 19, adjusting knob 20, lever 21,23, valve 22, pressure chamber 24,29, piston 25, chamber 26 is pressed in storage, piston 27, solenoid valve 28, magnetic switch.
Embodiment
The invention will be further described below in conjunction with embodiment's accompanying drawing.
As shown in Figure 1, the thermal recovery collection chamber 3 that is full of carrier is arranged in the water 2 of water tank 1 inside of solar water heater, the air chamber outlet 4 of thermal recovery collection chamber 3 connects gas path device 8, air chamber inlet 5 connects liquid storage room 14 by liquid return pipe 15, gas path device 8 is provided with air impeller 6, storage plenum chamber 10, backflow airway 11 and steam outlet pipe 9, steam outlet pipe 9 connects liquid storage room 14 by condensation tube 12, backflow airway 11 is communicated with liquid storage room 14, the inlet that liquid storage room 14 is connected with condensation tube 12 is provided with anti-backflow stop valve 13, the storage plenum chamber is provided with thermal insulation layer, and liquid return pipe 15 is provided with anti-backflow stop valve 16.
Carrier in the thermal recovery collection chamber 3 adopts low-boiling point liquid, as saturated propane.Boiling point is low, is fit to use.The temperature, pressure parameter of saturated propane such as following table 1.
The temperature, pressure parameter list of saturated propane in table 1, the per unit volume
| Temperature K | 260 | 270 | 280 | 290 | 300 | 310 | 320 | 330 | 340 | 350 | 360 |
| Pressure bar | 3.11 | 4.31 | 5.83 | 7.71 | 10.00 | 12.75 | 16.03 | 19.88 | 24.36 | 29.56 | 35.55 |
(1bar＝10
5Pa＝0.1MPa＝1kg/cm
2)
For example: the pneumatic drill working pressure is 4-8kg/cm
2, promptly pressure difference is 4-8bar relatively.
During summer, during ambient temperature 47 degrees centigrade (320K), pressure 16.03bar.During hot water temperature 67 degrees centigrade (340K), pressure 24.36bar, pressure difference 8.33bar can reach usage requirement.
During winter, during ambient temperature-13 degree centigrade (60K), pressure 3.11bar.During hot water temperature 17 degrees centigrade (290K), pressure 7.11bar, pressure difference 4.60bar can reach usage requirement.
The thermo-electric generation that can directly utilize well water and air winter that the north is cold.
As shown in Figure 2, gas path device 8 comprises storage pressure chamber 25, power cavity 18 and pressure chamber 22, air chamber outlet 4 is communicated with pressure chamber 22, storage is pressed between chamber 25 and the pressure chamber 22 and is passed through valve 23 between pressure chamber 22 and the power cavity 18 respectively, 21 connect, storage presses chamber 25 to connect storage plenum chamber 10, storage presses the outlet in chamber 10 to connect liquid storage room 14 by backflow airway 11, storage presses the outlet in chamber 25 that the piston 26 of solenoid valve 27 controls is set, the outlet passage of power cavity 18 is provided with air impeller 6, the outlet of power cavity 18 connects condensation tube 12 by steam outlet pipe 9, the lower end of condensation tube 12 connects liquid storage room 14, pressure chamber 22 is provided with measuring pressure passage, and measuring pressure passage inside is provided with piston 29, and measuring pressure passage is communicated with steam outlet pipe 9, the piston 29 that measuring pressure passage is provided with connects magnetic switch 28, and magnetic switch 28 electrically connects solenoid valve 27.
The open device of the valve 21 between pressure chamber 22 and the power cavity 18 comprises lever 20, piston 24 and adjusting knob 19, piston 24 is arranged on storage and presses 25 tops, chamber, the push rod of piston 24 is with spring, one end of push rod and lever 20 adapts, the fixedly connected valve 21 of the other end of lever 20, and an end of push rod and lever adapts, promptly when piston is overcome spring force and promotes to move upward by pressure, this end of meeting jack-up lever, the push rod of other piston also is with spring, becomes elastic piston.
The output shaft 7 of air impeller 6 connects the generating compression set.
Solenoid valve uses the self-charging battery supply, need not external power supply.
Using process:
During use, thermal recovery collection chamber 3 is placed in the water tank 1 of solar water heater, solar energy heat collection pipe 17 is exposed to sunlight, and water 2 is heated, after the carrier of thermal recovery collection chamber 3 is heated by hot water, internal pressure rises, valve 23 is opened, and gas flows into storage plenum chamber 10, after storage presses the pressure in the chamber 25 to reach desirable value, piston 24 moves upward, push rod is with lever 20 jack-up, and valve 21 is opened, and valve 23 is closed simultaneously, it is high pressure that chamber 25 and storage plenum chamber 10 inside are pressed in storage this moment, the air-flow of thermal recovery collection chamber 3 is fast by outlet passage, and impact air impeller 6 drives the work of generating compression set, the cooling of tail gas process condensation tube 12, liquefaction collects in liquid storage room 14.When thermal recovery collection chamber 3 pressure inside drop to certain position, the piston 29 of measuring pressure passage resets under the effect of spring, push rod closed electromagnetic switch 28, solenoid valve 27 is opened piston 26, thereby open the outlet that chamber 25 is pressed in storage, pressurized gas in the storage plenum chamber 10 enter liquid storage room 14 by backflow airway 11, the liquid of liquid storage room 14 inside is pushed back thermal recovery collection chamber 3, at this moment, storage plenum chamber 10 and storage press the pressure in the chamber 25 to reduce, and piston 24 resets under the effect of spring, and lever 20 loses support, valve 21 resets and closes, and air impeller 6 shuts down.Thermal recovery collection chamber 3 is heated once more, begins new work cycle.
Claims (7)
1. low heat thermoelectric generator, it is characterized in that comprising the thermal recovery collection chamber and the storage plenum chamber that are full of carrier, condensation tube, impeller, liquid storage room and gas path device, the outlet of thermal recovery collection chamber connects by storage presses the chamber, the gas path device that power cavity and pressure chamber are formed, the outlet of thermal recovery collection chamber is communicated with pressure chamber, storage is pressed between chamber and the pressure chamber and is connected by the valve that can reset respectively between pressure chamber and the power cavity, storage presses the chamber to connect the storage plenum chamber, storage presses the outlet in chamber to connect liquid storage room by the backflow airway, the outlet passage of power cavity is provided with air impeller, the outlet of power cavity connects condensation tube by steam outlet pipe, the other end of condensation tube connects liquid storage room, pressure chamber is provided with measuring pressure passage, measuring pressure passage inside is provided with piston, measuring pressure passage is communicated with steam outlet pipe, the bottom of liquid storage room is provided with the inlet that liquid return pipe connects the thermal recovery collection chamber, and the output shaft of air impeller connects generator.
2. low heat thermoelectric generator according to claim 1 is characterized in that storing up the piston that the outlet of pressing the chamber is provided with electromagnetic valve, and the piston that measuring pressure passage is provided with connects magnetic switch, and magnetic switch electrically connects solenoid valve.
3. low heat thermoelectric generator according to claim 1 and 2, the open device that it is characterized in that the resetted valve between pressure chamber and the power cavity comprises lever, piston and adjusting knob, piston is arranged on storage and presses top of chamber, the push rod of piston is with spring, one end of push rod and lever adapts, the fixedly connected valve of the other end of lever.
4. low heat thermoelectric generator according to claim 3 is characterized in that the inlet that is connected with condensation tube of liquid storage room is provided with the anti-backflow stop valve.
5. low heat thermoelectric generator according to claim 4 is characterized in that liquid return pipe is provided with the anti-backflow stop valve.
6. low heat thermoelectric generator according to claim 5 is characterized in that storing up plenum chamber and is provided with thermal insulation layer.
7. low heat thermoelectric generator according to claim 6 is characterized in that carrier is a low-boiling point liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100161281A CN101270737B (en) | 2008-05-11 | 2008-05-11 | Low heat thermoelectric generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100161281A CN101270737B (en) | 2008-05-11 | 2008-05-11 | Low heat thermoelectric generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101270737A CN101270737A (en) | 2008-09-24 |
| CN101270737B true CN101270737B (en) | 2011-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100161281A Expired - Fee Related CN101270737B (en) | 2008-05-11 | 2008-05-11 | Low heat thermoelectric generator |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2011214821B9 (en) * | 2010-02-09 | 2014-10-02 | Shandong Natergy Energy Technology Co., Ltd | Temperature differential engine device |
| CN103375209A (en) * | 2012-04-18 | 2013-10-30 | 王雷英 | Liquid-gas circulating waste heat pressure conversion stepped air compressing multifunctional developing engine |
| CN104612915A (en) * | 2013-11-04 | 2015-05-13 | 隋立洪 | Portable solar alternating-current generator |
| CN106936336A (en) * | 2015-12-30 | 2017-07-07 | 天津市爱德恒业科技发展有限公司 | A kind of new energy-saving mobile power supply |
| CN107310347A (en) * | 2017-08-08 | 2017-11-03 | 天津商业大学 | The air-conditioning system that engine low-grade energy is recycled |
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2008
- 2008-05-11 CN CN2008100161281A patent/CN101270737B/en not_active Expired - Fee Related
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| CN101270737A (en) | 2008-09-24 |
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Granted publication date: 20110810 Termination date: 20120511 |