CN204024853U - A kind of liquid heat engine and power take-off - Google Patents

A kind of liquid heat engine and power take-off Download PDF

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Publication number
CN204024853U
CN204024853U CN201420521620.5U CN201420521620U CN204024853U CN 204024853 U CN204024853 U CN 204024853U CN 201420521620 U CN201420521620 U CN 201420521620U CN 204024853 U CN204024853 U CN 204024853U
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China
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liquid
expansion tank
working medium
heat engine
hydraulic cylinder
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Expired - Fee Related
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CN201420521620.5U
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Chinese (zh)
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徐承飞
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

Abstract

A kind of liquid heat engine and power take-off, relate to field of power machinery technology, comprise expansion tank and oil hydraulic cylinder, be provided with thermally-expansible liquid working medium in expansion tank, the hydraulic pressure cavity of oil hydraulic cylinder is communicated with expansion tank, is provided with working medium heating device and working medium cooling unit.The utility model structure is simple, and direct output torque is large, efficiency is high, to heating agent require low, temperature difference requirement is little, the temperature difference of 30-50 degree can normally work, and applied widely, noise is little, the piston reciprocating frequency of okperation of oil hydraulic cylinder is low, takes full advantage of the immense pressure that heated liquid expansion produces.Be suitable for the energy recovery of automobile heat-extraction system, be converted into mechanical energy, be further converted to power storage and utilize.

Description

A kind of liquid heat engine and power take-off
Technical field
The present invention relates to field of power machinery technology, say it is that a kind of structure is simple in detail, direct output torque is large, efficiency is high, the liquid heat engine that noise is little and power take-off.
Background technique
We know, traditional steamer and the large noise of steam turbine volume are also large, use limited.Power plant as nuclear powered submarine are generally steamer, and when marine submerge, noise is unfavorable for greatly hidden, also should not use large noise machinery in daily life.Although existing Stirling engine solves noise problem, but it is using gas as working medium, because air heat conductivity is poor, easily compressed, so although Stirling engine rotating speed is fast but moment of torsion that is directly output is little, directly can not drive heavy load, and need the normal work of temperature difference ability of comparatively large (more than 500-700 DEG C), heating agent requires high, narrow application range, efficiency is low.Stirling engine exterior part is needed repeatedly, fast circular work repeatedly, externally could export relatively high power; The injuring speed of the piston of motor, housing and transmission part is fast, and working life is short.
Summary of the invention
The object of the invention is to solve above-mentioned the deficiencies in the prior art, provide a kind of structure simple, direct output torque is large, efficiency is high, and require low, applied widely to heating agent, noise is little, the liquid heat engine of long service life and power take-off.
The present invention solves the technological scheme that above-mentioned the deficiencies in the prior art adopt:
A kind of liquid heat engine, it is characterized in that comprising expansion tank and oil hydraulic cylinder (single action rebound formula), be provided with thermally-expansible liquid working medium in expansion tank, the hydraulic pressure cavity of oil hydraulic cylinder is communicated with expansion tank, is provided with working medium heating device and working medium cooling unit.
The structure of the working medium heater described in the present invention and working medium cooler is: expansion tank sidewall is provided with heat exchanging chamber, heat exchanging chamber is provided with heat exchange import and heat exchange outlet, heat exchange import is connected with coolant pump with heat pump through three-way valve, heat pump is connected with thermal source, coolant pump is connected with low-temperature receiver, and heat exchange outlet is connected with low-temperature receiver with thermal source through three-way valve.Described thermal source is the heating cabinet with heater, and described low-temperature receiver is the cooler bin with cooler.
Expansion tank madial wall described in the present invention is provided with radiating fin.Make the quick heat exchange of working medium in medium and expansion tank in heat exchanging chamber, improve the working efficiency of liquid heat engine.
Working medium heating device described in the present invention is provided with heater on expansion tank; Described working medium cooling unit is: be provided with cooling liquid box, and described expansion tank is provided with liquid entering hole and liquid port, and cooling liquid box is connected with liquid entering hole through recycle pump, liquid inlet pipe, and liquid entering hole is provided with liquid feed valve; Liquid port is connected with cooling liquid box through liquid-discharging tube, cooler, and liquid port is provided with liquid discharging valve, is full of liquid working substance in cooling liquid box, expansion tank and pipeline thereof.
Liquid working substance described in the present invention is liquid, water or the alcohol that expansion coefficient is high and thermal conductivity is good.
Expansion tank described in the present invention is made by the high duty metal that thermal conductivity is good.
Described in the present invention, expansion tank is provided with Decompression valves.Expansion tank overpressure after preventing system malfunctions and bursting.
A kind of power take-off, be provided with bearing support, bearing support is provided with rotating shaft through bearing, it is characterized in that rotating shaft is provided with at least a set of power input device, described power input device is: rotating shaft is provided with unilateral bearing, unilateral bearing is provided with driving gear, and driving gear side is provided with aforesaid liquid heat engine, and the piston rod of liquid heat engine oil hydraulic cylinder is provided with the driving rack be meshed with driving gear.(in order to make rotating shaft obtain continual driving force, rotating shaft being at least provided with two cover power input devices)
In the present invention, institute's rotating shaft is provided with three cover power input devices, and the hydraulic cylinder piston rod flexible acting successively of described liquid heat engine, ensures that rotatingshaft is subject to continual driving force.The switch that the liquid feed valve of three cover power input devices and liquid discharging valve replace mutually.
The present invention operationally, working medium heating device work, to the liquid working substance heating in expansion tank, working medium expanded by heating promotes the piston rod of oil hydraulic cylinder and to move upward acting; When piston rod moves upward and reaches predetermined stroke, working medium heating device quits work, the work of working medium cooling unit, working medium cooling meat, the piston rod of oil hydraulic cylinder bounces back under the effect of self spring, when piston rod retracts to predetermined stroke, working medium cooling unit quits work, working medium heating device work, repeats acting.So repeatedly repeat acting.Structure of the present invention is simple, and direct output torque is large, efficiency is high, to heating agent require low, temperature difference requirement is little, the temperature difference of 30-50 degree can normally work, and applied widely, noise is little, the piston reciprocating frequency of okperation of oil hydraulic cylinder is low, takes full advantage of the immense pressure that heated liquid expansion produces.Be suitable for the energy recovery of automobile heat-extraction system, be converted into mechanical energy, be further converted to power storage and utilize.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention, is also the structural representation of embodiment 1.
Fig. 2 is another kind of structural representation of the present invention, is also the structural representation of embodiment 2.
Fig. 3 is the structural representation of power take-off of the present invention.
Embodiment
Embodiment 1
Liquid heat engine as shown in Figure 1, comprise expansion tank 4 and single-action hydraulic cylinder 1, thermally-expansible liquid working medium is provided with in expansion tank 4, the hydraulic pressure cavity of oil hydraulic cylinder 1 is communicated with expansion tank 4 inside, be provided with working medium heating device and working medium cooling unit, as can be seen from the figure, the structure of working medium heater and working medium cooler is: expansion tank sidewall is provided with heat exchanging chamber 5, heat exchanging chamber 5 is provided with heat exchange import and heat exchange outlet, heat exchange import is connected with coolant pump 8 with heat pump 9 through three-way valve 10, heat pump 9 is connected with thermal source 7, coolant pump 8 is connected with low-temperature receiver 6, heat exchange outlet is connected with low-temperature receiver 6 with thermal source 7 through three-way valve 2.Expansion tank 4 madial wall is provided with radiating fin 3, and radiating fin 3 makes the quick heat exchange of working medium in heat exchanging chamber 5 in medium and expansion tank 4, improves the working efficiency of liquid heat engine.Thermal source is the heating cabinet with heater, and low-temperature receiver is the cooler bin with cooler.Low-temperature receiver and thermal source can also select natural hot and cold material, as underground heat, cool air, solar energy etc., also can select industrial waste heat, life used heat etc.As utilized automobile waste heat as thermal source, utilize air to drive hydraulic cylinder works as low-temperature receiver, drive electrical generators work generates electricity.
During work, working medium heating device work, now, heat pump is communicated with heat exchanging chamber by three-way valve 10, heat pump 9 the high temperature material of thermal source is made a gift to someone heat exchanging chamber, be liquid working substance heating in expansion tank, liquid working substance expanded by heating, promotes the piston rod of oil hydraulic cylinder and to move upward acting; During heat pump work, heat exchanging chamber is communicated with thermal source by three-way valve 2, and in heat exchanging chamber, the material of heat exchange cooling returns heat source recycling or directly drains.When piston rod moves upward and reaches predetermined stroke, working medium heating device quits work, the work of working medium cooling unit, now, coolant pump is communicated with heat exchanging chamber by three-way valve 10, coolant pump 9 cryogenic substance of low-temperature receiver is made a gift to someone heat exchanging chamber, be in expansion tank liquid working substance cooling, liquid working substance cooling meat, the piston rod of oil hydraulic cylinder bounces back under the effect of self spring, during coolant pump work, heat exchanging chamber is communicated with low-temperature receiver by three-way valve 2, reuses or directly drain after the material that in heat exchanging chamber, heat exchange heats up returns cold source cool-down.When piston rod retracts to predetermined stroke, working medium cooling unit quits work, working medium heating device work, so repeatedly repeats acting.In the process that working medium heating device and working medium cooling unit working state switch, the switching time of three-way valve 2 is sluggish the switching time of three-way valve 10, the initial stage that working state can be switched is retained in high temperature material in heat exchanging chamber or cryogenic substance returns thermal source or low-temperature receiver, reduce energy consumption, improve in can utilization ratio.Structure of the present invention is simple, and direct output torque is large, efficiency is high, to heating agent require low, temperature difference requirement is little, the temperature difference of 30-50 degree can normally work, and applied widely, noise is little, the piston reciprocating frequency of okperation of oil hydraulic cylinder is low, takes full advantage of the immense pressure that heated liquid expansion produces.Be suitable for the energy recovery of automobile heat-extraction system, be converted into mechanical energy, drive generator further, the interior power storage that can be converted into is utilized.
Embodiment 2
Liquid heat engine as shown in Figure 2, it is characterized in that comprising expansion tank 4 and single-action hydraulic cylinder 1, thermally-expansible liquid working medium is provided with in expansion tank 4, the hydraulic pressure cavity of oil hydraulic cylinder 1 is communicated with expansion tank 4, be provided with working medium heating device and working medium cooling unit, as can be seen from Figure 2, working medium heating device is bottom expansion tank, be provided with heater 13, also can be around expansion tank outside heater or be placed in the heater of expansion tank inside, can heat liquid working substance fast.Working medium cooling unit is: be provided with cooling liquid box 15, and described expansion tank 4 is provided with liquid entering hole and liquid port, and cooling liquid box 15 is connected with liquid entering hole through recycle pump 16, liquid inlet pipe 18, and liquid entering hole is provided with liquid feed valve 19; Liquid port is connected with cooling liquid box 15 through liquid-discharging tube 12, cooler 14, and liquid port is provided with liquid discharging valve 11, is full of liquid working substance in cooling liquid box, expansion tank and pipeline thereof, is at least full of liquid working substance in expansion tank.Liquid working substance is the liquid that expansion coefficient is high and thermal conductivity is good, can select water or alcohol.Expansion tank is made by the high duty metal that thermal conductivity is good.Burst in order to expansion tank overpressure after preventing system malfunctions, expansion tank is provided with Decompression valves 17.
During work, working medium heating device work, now, liquid discharging valve and liquid feed valve are closed, heater work to the liquid working substance heating in expansion tank, liquid working substance expanded by heating, the piston rod promoting oil hydraulic cylinder moves upward acting; When piston rod move upward reach predetermined stroke time, working medium heating device quits work, the work of working medium cooling unit, now, liquid discharging valve and liquid feed valve are opened, recycle pump works, and by the liquid working substance of low temperature in cooling liquid box input expansion tank, the high-temp liquid working medium in expansion tank is discharged, to enter cooling liquid box stand-by after cooler cooling, when being full of the liquid working substance of low temperature in expansion tank, liquid discharging valve and liquid feed valve are closed.After liquid discharging valve and liquid feed valve are opened, the liquid working substance pressure drop in expansion tank, the piston rod of oil hydraulic cylinder bounces back under the effect of self spring.Liquid discharging valve and liquid feed valve repeat above-mentioned working procedure after closing, and so repeatedly repeat acting.Adopt working medium heating device and the working medium cooling unit of this kind of structure, in expansion tank, the temperature changing speed of liquid working substance is fast, improves the external output power of liquid heat engine.
Power take-off as shown in Figure 3, be provided with bearing support 25, bearing support 25 is provided with rotating shaft 23 through bearing 20, rotating shaft 23 is provided with at least a set of power input device, described power input device is: rotating shaft 23 is provided with unilateral bearing, unilateral bearing 22 is provided with driving gear 22, driving gear 22 side is provided with aforesaid liquid heat engine, and the piston rod of liquid heat engine oil hydraulic cylinder 1 is provided with the driving rack 21 be meshed with driving gear 22; When the piston rod of oil hydraulic cylinder is extrapolated unilateral bearing locked, drive axis of rotation, and when the contracting of the piston rod of oil hydraulic cylinder is regained, unilateral bearing unlocks and does not affect the rotation of main shaft.In the present embodiment, liquid heat engine comprises expansion tank 4 and single-action hydraulic cylinder 1, thermally-expansible liquid working medium is provided with in expansion tank 4, the hydraulic pressure cavity of oil hydraulic cylinder is communicated with expansion tank, is provided with working medium heating device and working medium cooling unit, and working medium heating device is provided with heater bottom expansion tank.Working medium cooling unit is: be provided with cooling liquid box, and described expansion tank is provided with liquid entering hole and liquid port, and cooling liquid box is connected with liquid entering hole through recycle pump, liquid inlet pipe, and liquid entering hole is provided with liquid feed valve; Liquid port is connected with cooling liquid box through liquid-discharging tube, cooler, and liquid port is provided with liquid discharging valve, is full of liquid working substance in cooling liquid box, expansion tank and pipeline thereof.As can be seen from the figure, in order to make rotating shaft 23 obtain continual driving force, rotating shaft is provided with four cover power input devices, and the hydraulic cylinder piston rod flexible acting successively of described liquid heat engine, ensures that rotatingshaft is subject to continual driving force.The switch that the three cover liquid feed valves of power input devices and liquid discharging valve replace mutually, has certain overlap in time, ensures that any time has that power input device is protruding, drive shaft is rotated at least.。
The present invention operationally, working medium heating device work, to the liquid working substance heating in expansion tank, working medium expanded by heating promotes the piston rod of oil hydraulic cylinder and to move upward acting; When piston rod moves upward and reaches predetermined stroke, working medium heating device quits work, the work of working medium cooling unit, working medium cooling meat, the piston rod of oil hydraulic cylinder bounces back under the effect of self spring, when piston rod retracts to predetermined stroke, working medium cooling unit quits work, working medium heating device work, repeats acting.So repeatedly repeat acting.Structure of the present invention is simple, and direct output torque is large, efficiency is high, to heating agent require low, temperature difference requirement is little, the temperature difference of 30-50 degree can normally work, and applied widely, noise is little, the piston reciprocating frequency of okperation of oil hydraulic cylinder is low, takes full advantage of the immense pressure that heated liquid expansion produces.As can by the energy recovery of automobile heat-extraction system, be converted into mechanical energy, be further converted to power storage utilize.
The present invention is applied to driving submarine, greatly will improve disguise.The present invention can directly use as power also can connect electrical power generators, applied range, as solar electrical energy generation, geothermal power generation, nuclear energy power generation, spacecraft solar electrical energy generation, can also be arranged on heat automobile absorbing motor generation and generate electricity to drive hybrid vehicle.

Claims (8)

1. a liquid heat engine, it is characterized in that comprising expansion tank and oil hydraulic cylinder, be provided with thermally-expansible liquid working medium in expansion tank, the hydraulic pressure cavity of oil hydraulic cylinder is communicated with expansion tank, is provided with working medium heating device and working medium cooling unit.
2. liquid heat engine according to claim 1, it is characterized in that the structure of described working medium heater and working medium cooler is: expansion tank sidewall is provided with heat exchanging chamber, heat exchanging chamber is provided with heat exchange import and heat exchange outlet, heat exchange import is connected with coolant pump with heat pump through three-way valve, heat pump is connected with thermal source, coolant pump is connected with low-temperature receiver, and heat exchange outlet is connected with low-temperature receiver with thermal source through three-way valve.
3. liquid heat engine according to claim 2, is characterized in that described expansion tank madial wall is provided with radiating fin.
4. liquid heat engine according to claim 1, is characterized in that described working medium heating device is provided with heater on expansion tank; Described working medium cooling unit is: be provided with cooling liquid box, and described expansion tank is provided with liquid entering hole and liquid port, and cooling liquid box is connected with liquid entering hole through recycle pump, liquid inlet pipe, and liquid entering hole is provided with liquid feed valve; Liquid port is connected with cooling liquid box through liquid-discharging tube, cooler, and liquid port is provided with liquid discharging valve, is full of liquid working substance in cooling liquid box, expansion tank and pipeline thereof.
5., according to the liquid heat engine in claim 1-4 described in any one claim, it is characterized in that described liquid working substance is the liquid that expansion coefficient is high and thermal conductivity is good.
6. liquid heat engine according to claim 5, is characterized in that the expansion tank described in the present invention is made by the high duty metal that thermal conductivity is good.
7. a power take-off, be provided with bearing support, bearing support is provided with rotating shaft through bearing, it is characterized in that rotating shaft is provided with at least a set of power input device, described power input device is: rotating shaft is provided with unilateral bearing, unilateral bearing is provided with driving gear, and driving gear side is provided with aforesaid liquid heat engine, and the piston rod of liquid heat engine oil hydraulic cylinder is provided with the driving rack be meshed with driving gear.
8. power take-off according to claim 7, is characterized in that institute's rotating shaft is provided with three cover power input devices, and the hydraulic cylinder piston rod flexible acting successively of described liquid heat engine, ensures that rotatingshaft is subject to continual driving force.
CN201420521620.5U 2014-09-12 2014-09-12 A kind of liquid heat engine and power take-off Expired - Fee Related CN204024853U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104265501A (en) * 2014-09-12 2015-01-07 徐承飞 Liquid heating machine and power output device
CN104314703A (en) * 2013-09-22 2015-01-28 摩尔动力(北京)技术股份有限公司 Three-way valve engine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104314703A (en) * 2013-09-22 2015-01-28 摩尔动力(北京)技术股份有限公司 Three-way valve engine
CN104265501A (en) * 2014-09-12 2015-01-07 徐承飞 Liquid heating machine and power output device
CN104265501B (en) * 2014-09-12 2016-03-02 徐承飞 A kind of liquid heat engine and power take-off

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Granted publication date: 20141217

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