CN102032068A - Efficient hot-air engine - Google Patents
Efficient hot-air engine Download PDFInfo
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- CN102032068A CN102032068A CN2010105196617A CN201010519661A CN102032068A CN 102032068 A CN102032068 A CN 102032068A CN 2010105196617 A CN2010105196617 A CN 2010105196617A CN 201010519661 A CN201010519661 A CN 201010519661A CN 102032068 A CN102032068 A CN 102032068A
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Abstract
The invention discloses an efficient hot-air engine which comprises a gas compressor, a heater, a detonation engine and a cooler, wherein the gas compressor, the heater, the detonation engine and the cooler are respectively provided with a gas working medium inlet and a gas working medium outlet; the gas working medium outlet of the gas compressor is communicated with the gas working medium inlet of the heater, the gas working medium outlet of the heater is communicated with the gas working medium inlet of the detonation engine, the gas working medium outlet of the detonation engine is communicated with the gas working medium inlet of the cooler, and the gas working medium outlet of the cooler is communicated with the gas working medium inlet of the gas compressor, so that a single power unit mode closed channel is formed, and the single power unit mode closed channel is filled with gas working mediums; and the detonation engine is used for outputting power or circuitously outputting power to the gas compressor, and the detonation engine is directly or indirectly connected with a power output shaft. The efficient hot-air engine provided by the invention has the advantages of simple structure, high efficiency and low noise.
Description
Technical field
The present invention relates to heat energy and power field, especially a kind of efficient hot-air engine.
Background technique
The tradition hot-air engine, the application that is Stirling engine is extensive day by day, but its mechanism's complexity, the area of heating-up zone and cooling zone and heating and cool time are all limited, for this reason, it is a kind of simple in structure to be badly in need of invention, heating and cooling efficient height, the new and effective hot-air engine that the ratio of power and volume is high.
Summary of the invention
In order to address the above problem, the technological scheme that the present invention proposes is as follows:
A kind of efficient hot-air engine, comprise gas compressor, heater, burst emission engine and cooler, at described gas compressor, described heater, gas working medium inlet and gas sender property outlet are set respectively on described burst emission engine and the described cooler, the gas working medium outlet of described gas compressor is communicated with the gas working medium inlet of described heater, the gas working medium outlet of described heater is communicated with the gas working medium inlet of described burst emission engine, the gas working medium outlet of described burst emission engine is communicated with the gas working medium inlet of described cooler, the gas working medium outlet of described cooler is communicated with the gas working medium inlet of described gas compressor, so be communicated with and constitute single action power unit joint close passage, in described single action power unit joint close passage, charge into gas working medium, described burst emission engine is to described gas compressor outputting power or circuitous outputting power, and described burst emission engine directly or indirectly is connected with pto;
Or at described gas compressor, described heater, gas working medium inlet and gas sender property outlet are set respectively on described burst emission engine and the described cooler, the gas working medium outlet of described gas compressor is communicated with the gas working medium inlet of described heater, the gas working medium outlet of described heater is communicated with the gas working medium inlet of described burst emission engine, the gas working medium outlet of described burst emission engine is communicated with the gas working medium inlet of described cooler, so be communicated with and constitute a power unit joint, n described gas compressor, n described heater, n described burst emission engine and n described cooler constitute n described power unit joint, n 〉=2, the gas working medium outlet that n described power unit saves the described cooler that will be in an end after series connection is communicated with again is communicated with formation multiple units joint close passage with the gas working medium inlet of the described gas compressor that is in the other end, in described multiple units joint close passage, charge into gas working medium, described burst emission engine is to described gas compressor outputting power or circuitous outputting power, and described burst emission engine directly or indirectly is connected with pto.
Described gas compressor is made as the impeller type gas compressor, or described gas compressor is made as piston compressor.
Described burst emission engine is made as the power turbine machine, or described burst emission engine is made as the piston type burst emission engine.
Described heater is made as convection heater, or described heater is made as ceramic heater.
Described cooler is made as convection cooler.
Described gas compressor is made as the impeller type gas compressor, described burst emission engine is made as the power turbine machine, described impeller type gas compressor and the coaxial setting of described power turbine machine, the rotor shaft that connects described impeller type gas compressor and described power turbine machine is arranged in the described heater or is arranged in the described cooler.
Described efficient hot-air engine also comprises regenerator, described regenerator is arranged between described burst emission engine and the described cooler, the gas working medium outlet of described gas compressor is communicated with the gas working medium inlet of described heater behind described regenerator, and the gas working medium inlet that enters described heater through the gas working medium after the described gas compressor supercharging in described regenerator from the gas working medium that the gas working medium outlet stream from described burst emission engine comes after the heat absorption further is heated.
Described efficient hot-air engine also comprises generator, described gas compressor is made as the impeller type gas compressor, described burst emission engine is made as the power turbine machine, described generator, described impeller type gas compressor and the coaxial setting of described power turbine machine, described generator are arranged in the described single action power unit joint close passage or described generator is arranged in the described multiple units joint close passage.
Described efficient hot-air engine also comprises starter, and described starter is connected with described gas compressor, and described starter promotes described gas compressor work when described efficient hot-air engine starts.
Between described gas compressor and described heater, establish hybrid cooler, on described hybrid cooler, establish high pressure dilatant introducing port, establish the liquid swelling agent export mouth on described cooler, described liquid swelling agent export mouth is communicated with described high pressure dilatant introducing port through high-pressure service pump.
Establish the constant temperature compression cooler on described gas compressor, described constant temperature compression cooler makes described gas working medium keep constant temperature or nearly temperature constant state in the compressed process in described gas compressor, realizes the constant temperature compression or the nearly constant temperature compression process of described gas working medium.
On described burst emission engine, establish constent temperature heater, described constent temperature heater provides heat to make described gas working medium keep constant temperature or nearly temperature constant state for the described gas working medium of expansion working in described burst emission engine, realizes the thermostatic expansion or the nearly thermostatic expansion process of described gas working medium.
Between described gas compressor and the described heater, between described heater and the described burst emission engine, between described burst emission engine and the described cooler, and/or between described cooler and described gas compressor, establish control valve.
Though the present invention is a hot-air engine, but different with traditional hot-air engine (being Stirling engine), in Stirling engine, working medium is back and forth to flow in single passage, this brings suitable restriction just for heating-up zone and cooling zone, makes the efficiency of heating surface and cooling effectiveness all influenced.Moreover, in Stirling engine, because working medium is back and forth mobile, so be that heat transfer by convection all can not be carried out in heating-up zone or cooling zone, therefore maximum temperature and the cooled minimum temperature after heat transfer efficiency and the heating is all influenced, and then influences the efficient and the power level of motor.And the mobile of working medium undertaken by single direction in the efficient hot-air engine disclosed in this invention, forms the closed-loop path of a single flow direction, so just overcome the above-mentioned defective of Stirling engine.
Principle of the present invention is to enter burst emission engine the pressurized gas working medium through producing after the gas compressor compression absorbs heat raising temperature in heater after, in burst emission engine, enter cooler behind the expansion working, in cooler, enter gas compressor again after the heat release cooling and enter next work cycle.
Power turbine machine among the present invention can coaxially be provided with the impeller type gas compressor, also can non-coaxial setting, and the power turbine machine is to the direct outputting power of impeller type gas compressor, also outputting power indirectly.
Efficient hot-air engine disclosed in this invention is because gas working medium is to be in the closed circulation state, so can adopt higher working medium of efficient such as helium etc.; Because heating is to adopt the heating of external combustion form, thus various fuel can be used, and also owing to belong to continuous burning, so the easier control of burning, combustion efficiency and exhaust meeting are better.
Efficient hot-air engine disclosed in this invention is because heating-up zone and cooling zone all are continuous operations, and the heat transfer area of heating-up zone and cooling zone is unrestricted, so heat transfer load and efficient can be improved largely.
The so-called constant temperature of the present invention is meant the process that temperature remains unchanged, and compression is meant and the compression process that temperature remains unchanged is meant the inflation process that temperature remains unchanged for thermostatic expansion for constant temperature; So-called nearly constant temperature is meant that temperature is tending towards constant process, is meant that for nearly constant temperature compression temperature is tending towards constant compression process, is meant that for nearly thermostatic expansion temperature is tending towards constant inflation process.
Gas compressor among the present invention is meant that all that have gas working medium inlet and gas sender property outlet respectively can make the device of gas working medium supercharging, for example impeller type gas compressor, piston compressor, screw type, gear type and rotator type gas compressor etc.; So-called gas working medium is meant uncondensable gas that does not undergo phase transition in cooler, as helium, hydrogen, argon gas etc.; So-called heater is meant that all can carry out the device of external heat to gas working medium, can be the device of the external heat of directly carrying out with flame, also can be the device that gas working medium is heated with heat exchanger; So-called burst emission engine is meant the work done mechanism that has only work done process and exhaust process, this work done working process of mechanism is that preprepared gas working medium (mostly being high temperature and high pressure gas or pressurized gas) is charged in the work done mechanism, in mechanism, no longer compress and just carry out expansion working, the work done mechanism that behind expansion working gas working medium is discharged for example only carries out the piston type work done mechanism of power stroke and exhaust stroke and impeller type work done mechanism (as power turbine etc.) etc.; So-called cooler is meant the device that all can cool off gas working medium, can be radiator or heat exchanger; Described dilatant is meant that not participating in combustion chemistry has reacted intensification or cooling and adjusted the effect of work done working medium molal quantity and the working medium of participation expansion working; So-called impeller type gas compressor be meant can pressurized gas working medium impeller type or turbo type gas compressor, comprise axial flow, radial-flow type, mixed-flow; So-called power turbine machine is meant the impeller type device or the turbo type device that the pressure of gas working medium can be become power under the gas working medium effect with thermal power transfer; So-called regenerator is meant and can utilizes the device that the gas working medium that enters before the heater is heated by the gas working medium behind the burst emission engine; So-called single action power unit joint close passage is meant to be connected successively by a gas compressor, heater, burst emission engine and cooler and is communicated with and close passage that the head and the tail butt joint is constituted; So-called power unit joint is meant to be connected successively by a gas compressor, a heater, a burst emission engine and a cooler and is communicated with the open channel that is constituted; So-called multiple units joint close passage is meant by a plurality of power unit joint close passage that series connection is communicated with and the head and the tail butt joint is constituted successively; So-called ceramic heater is meant the device made from ceramic that gas working medium is heated, and utilizes ceramic heater can make gas working medium be heated to higher temperature; So-called convection cooler is meant to be cooled to the counter-flow heat exchanger of purpose; So-called convection heater is meant to be heated to be the counter-flow heat exchanger of purpose; So-called hybrid cooler is meant the device that dilatant and compressed gas working medium can be carried out hybrid cooling; So-called liquid swelling agent export mouth is meant the export mouth of the dilatant that is condensed in the described cooler; So-called " described burst emission engine is to described gas compressor outputting power " is meant that described burst emission engine is to the direct outputting power of described gas compressor or through the indirect outputting power of mechanisms such as gear; So-called " described burst emission engine is to the circuitous outputting power of described gas compressor " is meant that described burst emission engine outputs power in the power source, again by this power source to described gas compressor outputting power.
Velocity ratio described in the efficient hot-air engine disclosed in this invention between gas compressor and the described burst emission engine can be made as adjustable, so that described efficient hot-air engine all can keep the efficient operation state under the different rotating speeds situation.
Efficient hot-air engine disclosed in this invention, particularly (as Fig. 4 and shown in Figure 8) has quite high seal among some embodiment of efficient hot-air engine disclosed in this invention, so can charge into pressurized gas working medium in close passage (is that motor is when being in off working state, the pressure of the gas working medium in the passage is in higher or quite high level), increase the density of gas working medium, thereby increase heat transfer efficiency and specific power, and the circulation pressure ratio is increased, raise the efficiency.
The purpose that imports dilatant among the present invention in hybrid cooler in the gas working medium after being compressed is in order to reduce the temperature of gas working medium, gas working medium (the containing dilatant) temperature that enters heater is hanged down to absorb more low-grade heats, improve the efficient of motor.The dilatant that imports can be a liquid, can be gas also, but should be in gaseous state or threshold state before entering burst emission engine, to improve the efficient of motor.Among the present invention so-called be communicated be meant direct connection, through the indirect communication of several processes (comprise with other material mixing etc.) or through controlled connections such as pump, control valves.Heater among the present invention also can be the device that utilizes solar energy that gas working medium is heated.The setting of starter is to have the gas working medium of certain pressure so that motor reaches normal working at short notice in order before engine start motor to be imported power, to make gas compressor work, forming among the present invention.
The purpose that among the present invention generator is arranged in the close passage is in order to improve the seal of close passage, so that the gas working medium in the close passage can have higher pressure, and is unlikely to leak.
Gas compressor among the present invention comprises multistage compressor and is with intercooled multistage compressor.
Among the present invention in order to improve heating and cooling efficient, cooling unit can be set on gas compressor, heating equipment is set on burst emission engine, can also be made as piston compressor and burst emission engine is made as in the structure of piston type burst emission engine at gas compressor, piston compressor and piston type burst emission engine all adopt the form of a plurality of path cylinders.In order to realize thermostatic expansion or the nearly thermostatic expansion process of described gas working medium in described power turbine machine, can be at the shell Shang of described power turbine machine with establish the heated fluid passage in the/Huo Static leaf, described constent temperature heater is made as described heated fluid passage; In order to realize constant temperature compression or the nearly constant temperature compression process of described gas working medium in described impeller type gas compressor, can be at the shell Shang of described impeller type gas compressor with establish cooling channels in the/Huo Static leaf, described constant temperature compression cooler is made as described cooling channels.
The present invention is made as piston compressor and burst emission engine is made as in the structure of piston type burst emission engine at gas compressor, need establish control valve and/or check valve on the passage that gas working medium flows, and is mobile to realize that gas working medium press design direction.Control valve and check valve gas working medium ingress, the gas working medium outlet port that the position can be a piston compressor be set, the gas working medium ingress of piston compressor, gas working medium outlet port, and on the passage that flows of gas working medium.
Generator among the present invention can be used as starter, is used for starting described efficient hot-air engine.
In the structure that power turbine machine or impeller type gas compressor are set,,, can adopt the magnetic gear reducer in order to effectively reduce rotating speed because the rotating speed of power turbine machine and gas compressor may reach quite high level; In this structure,, can adopt magnetic suspension bearing or gas suspension bearing for high-speed rotating shaft.Beneficial effect of the present invention is as follows:
The present invention is simple in structure, efficient is high, noise is low.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1;
Fig. 2 is the structural representation of the embodiment of the invention 2;
Fig. 3 is the structural representation of the embodiment of the invention 3;
Fig. 4 is the structural representation of the embodiment of the invention 4;
Fig. 5 is the structural representation of the embodiment of the invention 5;
Fig. 6 is the structural representation of the embodiment of the invention 6;
Fig. 7 is the structural representation of the embodiment of the invention 7;
Fig. 8 is the structural representation of the embodiment of the invention 8;
Fig. 9 is the structural representation of the embodiment of the invention 9;
Figure 10 is the structural representation of the embodiment of the invention 10;
Figure 11 is the structural representation of the embodiment of the invention 11;
Figure 12 is the structural representation of the embodiment of the invention 12;
Figure 13 is the structural representation of the embodiment of the invention 13;
Figure 14 and Figure 15 are the structural representation of the embodiment of the invention 14.
Embodiment
Efficient hot-air engine as shown in Figure 1, comprise gas compressor 1, heater 2, burst emission engine 3 and cooler 4, at gas compressor 1, heater 2, gas working medium inlet and gas sender property outlet are set respectively on burst emission engine 3 and the cooler 4, the gas working medium outlet of gas compressor 1 is communicated with the gas working medium inlet of heater 2, the gas working medium outlet of heater 2 is communicated with the gas working medium inlet of burst emission engine 3, the gas working medium outlet of burst emission engine 3 is communicated with the gas working medium inlet of cooler 4, the gas working medium outlet of cooler 4 is communicated with the gas working medium inlet of gas compressor 1, so be communicated with and constitute single action power unit joint close passage 1234, in single action power unit joint close passage 1234, charge into gas working medium, 3 pairs of gas compressor 1 outputting powers of burst emission engine or circuitous outputting power, burst emission engine 3 directly or indirectly is connected with pto 5.The principle of present embodiment is the pressurized gas working medium through producing after gas compressor 1 compression to be absorbed enter burst emission engine 3 after heat improves temperature in heater 2, in burst emission engine 3, enter cooler 4 behind the expansion working, in cooler 4, enter gas compressor 1 again after the heat release cooling and enter next work cycle, so just can realize that the mobile of gas working medium undertaken by single direction, form the closed-loop path of a single flow direction, overcome the back and forth mobile defective of working medium of traditional Stirling engine.
Efficient hot-air engine as shown in Figure 2, itself and embodiment's 1 difference is: at gas compressor 1, heater 2, gas working medium inlet and gas sender property outlet are set respectively on burst emission engine 3 and the cooler 4, the gas working medium outlet of gas compressor 1 is communicated with the gas working medium inlet of heater 2, the gas working medium outlet of heater 2 is communicated with the gas working medium inlet of burst emission engine 3, the gas working medium outlet of burst emission engine 3 is communicated with the gas working medium inlet of cooler 4, so be communicated with and constitute a power unit joint 6, n gas compressor 1, n heater 2, n burst emission engine 3 and n cooler 4 constitute n power unit joint 6, n=4, the gas working medium outlet that will be in the cooler 4 of an end after n power unit joint 6 series connection are communicated with again enters the mouth to be communicated with the gas working medium of the gas compressor 1 that is in the other end and constitutes multiple units joint close passage 1236, in multiple units joint close passage 1236, charge into gas working medium, 3 pairs of gas compressor 1 outputting powers of burst emission engine or circuitous outputting power, burst emission engine 3 directly or indirectly is connected with pto 5.The series connection that has realized multistage hot-air engine is set like this, has improved the utilization ratio of gas working medium, realized hot-air engine more efficiently.
Efficient hot-air engine as shown in Figure 3, itself and embodiment's 1 difference is: gas compressor 1 is made as impeller type gas compressor 101, and burst emission engine 3 is made as power turbine machine 301.The purpose of She Zhiing is in order to make full use of the advantage that high rotating speed, volume are little, flow is big of impeller type gas compressor 101 and power turbine machine 301 like this.
Efficient hot-air engine as shown in Figure 4, itself and embodiment's 1 difference is: gas compressor 1 is made as piston compressor 102, burst emission engine 3 is made as piston type burst emission engine 302, gas working medium inlet and gas sender property outlet place at piston compressor 102 establish two control valves 12345, gas working medium inlet and gas sender property outlet place at piston type burst emission engine 302 also establish two control valves 12345, after a certain amount of pressurized gas working medium enters the cylinder of piston type burst emission engine 302, the gas working medium inlet and the gas sender property outlet of piston type burst emission engine 302 all are in closed condition, pressurized gas working medium expands and promotes the piston work done, the timing relation can be arranged between piston compressor 102 and the piston type burst emission engine 302, can there be the timing relation yet, and on single action power unit joint close passage 1234, can also establish a gas working medium storage tank, be used for stored-gas working medium.
Efficient hot-air engine as shown in Figure 5, itself and embodiment's 1 difference is: heater 2 is made as ceramic heater 202, gas compressor 1 is made as impeller type gas compressor 101, burst emission engine 3 is made as power turbine machine 301, impeller type gas compressor 101 and the 301 coaxial settings of power turbine machine, the rotor shaft 340 that connects impeller type gas compressor 101 and power turbine machine 301 is arranged in the ceramic heater 202, and pto 5 is arranged on power turbine machine 301 ends, i.e. pressurized gas working medium end.
Efficient hot-air engine as shown in Figure 6, itself and embodiment's 1 difference is: heater 2 is made as ceramic heater 202, gas compressor 1 is made as impeller type gas compressor 101, burst emission engine 3 is made as power turbine machine 301, impeller type gas compressor 101 and the 301 coaxial settings of power turbine machine, the rotor shaft 340 that connects impeller type gas compressor 101 and power turbine machine 301 is arranged in the cooler 4, the purpose of She Zhiing is that rotor shaft 340 is worked under low-temperature condition like this, minimizing is to the requirement of rotor shaft material property, and the lubricity of rotor shaft is good, long working life; Pto 5 is arranged on impeller type gas compressor 101 ends, and promptly low-pressure gas working medium end can more effectively prevent the leakage of gas working medium like this, improves the seal of close passage, so that the gas working medium in the close passage can have higher pressure.
Efficient hot-air engine as shown in Figure 7, itself and embodiment's 1 difference is: efficient hot-air engine also comprises regenerator 120, regenerator 120 is arranged between burst emission engine 3 and the cooler 4, the outlet of the gas working medium of gas compressor 1 is communicated with the gas working medium inlet of heater 2 through regenerator 120 after, and the gas working medium after gas compressor 1 supercharging flows the gas working medium that enters heater 2 after absorbing heat the next gas working medium from the gas working medium outlet of self-destruction row motor 3 and enters the mouth and further be heated regenerator 120 in.
Embodiment 8
Efficient hot-air engine as shown in Figure 8, itself and embodiment's 1 difference is: efficient hot-air engine also comprises generator 8, gas compressor 1 is made as impeller type gas compressor 101, burst emission engine 3 is made as power turbine machine 301, generator 8, impeller type gas compressor 101 and the 301 coaxial settings of power turbine machine, generator 8 are arranged in the single action power unit joint close passage 1234.Such setting makes the better tightness of whole system, has prevented the leakage of pressurized gas working medium, has improved the efficient of system.
Embodiment 9
Efficient hot-air engine as shown in Figure 9, itself and embodiment's 1 difference is: efficient hot-air engine also comprises starter 9, and starter 9 is connected with gas compressor 1, promotion gas compressor 1 was worked when starter 9 started at efficient hot-air engine.The purpose of starter setting is to have the gas working medium of certain pressure so that motor reaches normal working at short notice in order before engine start motor to be imported power, to make gas compressor work, forming.
Efficient hot-air engine as shown in figure 10, itself and embodiment's 1 difference is: heater 2 is made as convection heater 201, cooler 4 convection coolers 401, between gas compressor 1 and heater 2, establish hybrid cooler 10, on hybrid cooler 10, establish high pressure dilatant introducing port 11, establish liquid swelling agent export mouth 12 on cooler 4, liquid swelling agent export mouth 12 is communicated with high pressure dilatant introducing port 11 through high-pressure service pump 13.The purpose that imports dilatant in the gas working medium in hybrid cooler 10 after being compressed is in order to reduce the temperature of gas working medium, gas working medium (the containing dilatant) temperature that enters heater 2 is hanged down to absorb more low-grade heats, improve the efficient of motor.The dilatant that imports can be a liquid, can be gas also, but should be in gaseous state or threshold state before entering burst emission engine, to improve the efficient of motor.
Efficient hot-air engine as shown in figure 11, itself and embodiment's 4 difference is: only establish a control valve 12345 in the gas working medium outlet port of piston compressor 102, in piston type burst emission engine 302, do not establish control valve, the timing relation is arranged between piston compressor 102 and the piston type burst emission engine 302, thereby the spatial volume between the assurance two-piston top changes (being similar to traditional Stirling engine) but gas working medium does not back and forth flow, and only circulates by a direction orientation.
Efficient hot-air engine as shown in figure 12, itself and embodiment's 4 difference is: do not establish control valve in piston compressor 102, in piston type burst emission engine 302, do not establish control valve, only in single action power unit joint close passage 1234, establish a control valve 12345, the timing relation is arranged between piston compressor 102 and the piston type burst emission engine 302, thereby the spatial volume between the assurance two-piston top changes (being similar to traditional Stirling engine) but gas working medium does not back and forth flow, and only circulates by a direction orientation.
Efficient hot-air engine as shown in figure 13, itself and embodiment's 1 difference is: establish constant temperature compression cooler 1111 on gas compressor 1, constant temperature compression cooler 1111 makes gas working medium keep constant temperature or nearly temperature constant state in the compressed process in gas compressor 1, realizes the constant temperature compression or the nearly constant temperature compression process of gas working medium; On burst emission engine 3, establish constent temperature heater 3333, constent temperature heater 3333 provides heat to make gas working medium keep constant temperature or nearly temperature constant state for the gas working medium of expansion working in burst emission engine 3, realizes the thermostatic expansion or the nearly thermostatic expansion process of gas working medium; Gas compressor 1 is made as impeller type gas compressor 101, and burst emission engine 3 is made as power turbine machine 301, and the work phase place of gas compressor 1 and burst emission engine 3 is different, and/or the discharge capacity difference.The purpose of She Zhiing is in order to improve the efficient of heating and cooling like this, and then improves the efficient of motor.
Embodiment 14
As Figure 14 or efficient hot-air engine shown in Figure 15, itself and embodiment's 13 difference is: gas compressor 1 is made as piston compressor 102, burst emission engine 3 is made as piston type burst emission engine 302, gas working medium inlet and gas sender property outlet place at piston compressor 102 establish two control valves 12345, gas working medium inlet and gas sender property outlet place at piston type burst emission engine 302 also establish two control valves 12345, by controlling four control valves 12345, realize to wait hold heating and wait the appearance cooling procedure, realize constant temperature compression or nearly constant temperature compression process by constant temperature compression cooler 1111, realize thermostatic expansion or nearly thermostatic expansion process by constent temperature heater 3333.In other words, by the setting of four control valves 12345, constant temperature compression cooler 1111 and constent temperature heater 3333, make the circulation of gas working medium more approach the Stirling circulation.
Claims (13)
1. efficient hot-air engine, comprise gas compressor (1), heater (2), burst emission engine (3) and cooler (4), it is characterized in that: in described gas compressor (1), described heater (2), gas working medium inlet and gas sender property outlet are set respectively on described burst emission engine (3) and the described cooler (4), the gas working medium outlet of described gas compressor (1) is communicated with the gas working medium inlet of described heater (2), the gas working medium outlet of described heater (2) is communicated with the gas working medium inlet of described burst emission engine (3), the gas working medium outlet of described burst emission engine (3) is communicated with the gas working medium inlet of described cooler (4), the gas working medium outlet of described cooler (4) is communicated with the gas working medium inlet of described gas compressor (1), so be communicated with and constitute single action power unit joint close passage (1234), in described single action power unit joint close passage (1234), charge into gas working medium, described burst emission engine (3) is to described gas compressor (1) outputting power or circuitous outputting power, and described burst emission engine (3) directly or indirectly is connected with pto (5);
Or in described gas compressor (1), described heater (2), gas working medium inlet and gas sender property outlet are set respectively on described burst emission engine (3) and the described cooler (4), the gas working medium outlet of described gas compressor (1) is communicated with the gas working medium inlet of described heater (2), the gas working medium outlet of described heater (2) is communicated with the gas working medium inlet of described burst emission engine (3), the gas working medium outlet of described burst emission engine (3) is communicated with the gas working medium inlet of described cooler (4), so be communicated with and constitute a power unit joint (6), n described gas compressor (1), n described heater (2), n described burst emission engine (3) and n described cooler (4) constitute n described power unit joint (6), n 〉=2, the gas working medium outlet that n described power unit saves the described cooler (4) that will be in an end after (6) series connection is communicated with again is communicated with formation multiple units joint close passage (1236) with the gas working medium inlet of the described gas compressor (1) that is in the other end, in described multiple units joint close passage (1236), charge into gas working medium, described burst emission engine (3) is to described gas compressor (1) outputting power or circuitous outputting power, and described burst emission engine (3) directly or indirectly is connected with pto (5).
2. according to the described efficient hot-air engine of claim 1, it is characterized in that: described gas compressor (1) is made as impeller type gas compressor (101), or described gas compressor (1) is made as piston compressor (102).
3. according to the described efficient hot-air engine of claim 1, it is characterized in that: described burst emission engine (3) is made as power turbine machine (301), or described burst emission engine (3) is made as piston type burst emission engine (302).
4. according to the described efficient hot-air engine of claim 1, it is characterized in that: described heater (2) is made as convection heater (201), or described heater (2) is made as ceramic heater (202).
5. according to the described efficient hot-air engine of claim 1, it is characterized in that: described cooler (4) is made as convection cooler (401).
6. according to the described efficient hot-air engine of claim 1, it is characterized in that: described gas compressor (1) is made as impeller type gas compressor (101), described burst emission engine (3) is made as power turbine machine (301), described impeller type gas compressor (101) and the coaxial setting of described power turbine machine (301), the rotor shaft (340) that connects described impeller type gas compressor (101) and described power turbine machine (301) is arranged in the described heater (2) or is arranged in the described cooler (4).
7. according to the described efficient hot-air engine of claim 1, it is characterized in that: described efficient hot-air engine also comprises regenerator (120), described regenerator (120) is arranged between described burst emission engine (3) and the described cooler (4), the gas working medium outlet of described gas compressor (1) is communicated with the gas working medium inlet of described heater (2) behind described regenerator (120), and the gas working medium inlet that enters described heater (2) through the gas working medium after described gas compressor (1) supercharging in described regenerator (120) from the gas working medium that the gas working medium outlet stream from described burst emission engine (3) comes after the heat absorption further is heated.
8. according to the described efficient hot-air engine of claim 1, it is characterized in that: described efficient hot-air engine also comprises generator (8), described gas compressor (1) is made as impeller type gas compressor (101), described burst emission engine (3) is made as power turbine machine (301), described generator (8), described impeller type gas compressor (101) and the coaxial setting of described power turbine machine (301), described generator (8) are arranged in the described single action power unit joint close passage (1234) or described generator (8) is arranged in the described multiple units joint close passage (1236).
9. according to the described efficient hot-air engine of claim 1, it is characterized in that: described efficient hot-air engine also comprises starter (9), described starter (9) is connected with described gas compressor (1), and described starter (9) promotes described gas compressor (1) work when described efficient hot-air engine starts.
10. according to the described efficient hot-air engine of claim 1, it is characterized in that: between described gas compressor (1) and described heater (2), establish hybrid cooler (10), on described hybrid cooler (10), establish high pressure dilatant introducing port (11), establish liquid swelling agent export mouth (12) on described cooler (4), described liquid swelling agent export mouth (12) is communicated with described high pressure dilatant introducing port (11) through high-pressure service pump (13).
11. according to the described efficient hot-air engine of claim 1, it is characterized in that: on described gas compressor (1), establish constant temperature compression cooler (1111), described constant temperature compression cooler (1111) makes described gas working medium discharge heat maintenance constant temperature or nearly temperature constant state in the compressed process in described gas compressor (1), realizes the constant temperature compression or the nearly constant temperature compression process of described gas working medium.
12. according to the described efficient hot-air engine of claim 1, it is characterized in that: on described burst emission engine (3), establish constent temperature heater (3333), described constent temperature heater (3333) makes described gas working medium keep constant temperature or nearly temperature constant state for the described gas working medium of expansion working in described burst emission engine (3) provides heat, realizes the thermostatic expansion or the nearly thermostatic expansion process of described gas working medium.
13. according to the described efficient hot-air engine of claim 1, it is characterized in that:, and/or between described cooler (4) and described gas compressor (1), establish control valve (12345) between described gas compressor (1) and the described heater (2), between described heater (2) and the described burst emission engine (3), between described burst emission engine (3) and the described cooler (4).
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010105196617A CN102032068A (en) | 2010-09-25 | 2010-10-26 | Efficient hot-air engine |
| CN2011201860280U CN202065088U (en) | 2010-09-25 | 2011-06-03 | Highly efficient hot-air engine |
| CN2011101487459A CN102606339A (en) | 2010-09-25 | 2011-06-03 | Efficient hot-air engine |
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| CN201010290332 | 2010-09-25 | ||
| CN201010290332.X | 2010-09-25 | ||
| CN201010294816.1 | 2010-09-28 | ||
| CN201010294816 | 2010-09-28 | ||
| CN2010105196617A CN102032068A (en) | 2010-09-25 | 2010-10-26 | Efficient hot-air engine |
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