CN102374690A - Refrigerating machine driven by thermal compressor - Google Patents
Refrigerating machine driven by thermal compressor Download PDFInfo
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- CN102374690A CN102374690A CN2010102479934A CN201010247993A CN102374690A CN 102374690 A CN102374690 A CN 102374690A CN 2010102479934 A CN2010102479934 A CN 2010102479934A CN 201010247993 A CN201010247993 A CN 201010247993A CN 102374690 A CN102374690 A CN 102374690A
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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
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- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
Abstract
The invention provides a refrigerating machine driven by a thermal compressor. The refrigerating machine driven by the thermal compressor comprises a thermal compressor system and a pulse pipe device (7), wherein the thermal compressor system is provided with at least one air cylinder (1), a piston (2), a driving mechanism (6), a hot-end heat exchanger (4), and a cold-end heat exchanger (5); the air cylinder (1) is communicated with fluid of the pulse pipe device (7) and is filled with working media; the piston (2) is arranged in the air cylinder to divide an air cylinder cavity into a hot cavity (8) and a cold cavity (9); the driving mechanism (6) is used for driving the piston to reciprocate in the air cylinder; the hot-end heat exchanger (4) is arranged at a hot cavity end (8a) of the air cylinder (1) and is used for inputting heat to the working media in the air cylinder; the cold-end heat exchanger (5) is arranged at a cold cavity end (9a) of the air cylinder (1) and is used for inputting cold into the working media in the air cylinder (1); the hot cavity (8) and the cold cavity (9) are mutually communicated through a passageway by means of the fluid; and a heat regenerator (3) is arranged in the passageway. According to the pulse-pipe refrigerating machine, heat energy, especially waste heat and the like, is taken as a power source, an external fire heating manner is adopted to drive the refrigerating machine to output cold to the outside, and the refrigerating machine has the characteristics of low-grad heat source, small vibration and low noise.
Description
Technical field
The present invention relates to utilize the refrigeration machine field of heat energy driving, relate in particular to the refrigeration machine that a kind of thermocompressor drives.
Background technology
Existing vascular refrigerator is a kind of novel Cryo Refrigerator, and it mainly is that a kind of ability is through the gas periodic compression of turnover vascular and the refrigerating plant that expansion obtains low temperature.The advantage of vascular refrigerator is that low-temperature end does not have moving component and simple in structure, has eliminated fully because the problem that the wearing and tearing of encapsulant bring has higher reliability, littler vibration.The cold head of this type refrigeration machine does not have moving component, thereby has the advantage that manufacturing is simple, the life-span is long and noise is low.In addition, this type vascular refrigerator is widely used in fields such as meteorology, military affairs, space technology, low-temperature electronics device, cryogenic medicine, natural gas liquefactions.
Yet, a lot of existing vascular refrigerators, majority need drive work by electricity, when cryogenic temperature is lower, when refrigerating capacity is big, needs to consume a large amount of electric energy.For energy savings, can use low-grade thermal source for example used heat wait and drive refrigeration.Current, the recovery and reuse of used heat have very large market and meaning.Power plant, chemical plant, steel plant etc. all have a large amount of used heat to produce, and the solar energy of easy acquisition generally also only provides lower heat source temperature.Therefore, currently press for a kind of refrigeration machine that can utilize low-grade heat source to drive.
Summary of the invention
The purpose of this invention is to provide the refrigeration machine that a kind of like this thermocompressor drives, it drives refrigeration based on low grade heat energy, and has the advantages that vibration is little, noise is low.
Therefore; The refrigeration machine that the present invention provides a kind of thermocompressor to drive; It comprises thermocompressor system and vascular device, and wherein the thermocompressor system has at least one cylinder that working medium is housed that is communicated with vascular device fluid, is arranged on the interior piston that the cylinder cavity is separated into hot chamber and cold chamber of cylinder; Driven plunger is reciprocating driving mechanism in cylinder; The thermocompressor system comprises that also the hot chamber end that is arranged in cylinder is used for being used to cool off the cool end heat exchanger of working medium in the cylinder to the hot end heat exchanger of the input of the working medium in cylinder heat with the cold chamber end that is arranged in cylinder, and is communicated with by a via fluid between this hot chamber and this cold chamber, in this path, is provided with regenerator.
In the present invention, be enclosed in intrasystem working medium and for example can be selected from helium, nitrogen, hydrogen, air and composition thereof any.Certainly, also can select other suitable working fluid for use according to real needs.Be enclosed in the intrasystem working medium of thermocompressor and can not leak, thereby in system, can obtain very high pressure.In addition; Regenerator among the present invention is a kind of device that arrives commonly used in the low-temperature refrigeration technology; It is made up of the porous media solid packing with high specific heat capacity and lower resistance coefficient; Filler can be for example stainless steel, a phosphor bronze etc. of fine metal mesh, compositions such as small metal ball or particle and magnetic material.
According to another scheme of the present invention, said path is formed by the through hole of vertically offering along this piston, and this regenerator is arranged in this through hole, and path that disposes like this and regenerator have simple in structure, the advantage that efficient is high.
According to another scheme of the present invention, said path is formed by the cavity between the inner and outer wall of this cylinder, and this regenerator is arranged in this cavity.
According to another program of the present invention, said path is formed by the connecting line from this hot chamber end to this cold chamber end outside this cylinder, and this regenerator is connected in this connecting line.
According to another program of the present invention, said path is formed by the folder crack between this piston and this cylinder inner wall, and the working medium in the folder crack plays the effect of regenerator.
In the present invention, under the driving of driving mechanism, piston moves back and forth in cylinder; Motion through piston is flowed working medium between hot chamber and cold chamber, when piston near the lower dead center of cool end heat exchanger when the top dead centre near hot end heat exchanger moves, the working medium after the hot end heat exchanger heating flows to cold chamber from hot chamber; In this process, the part heat of high temperature refrigerant is stored in the regenerator, when piston moves to top dead centre; Intrasystem most of working medium is positioned at cold chamber; Cool off the working medium in the cold chamber through cool end heat exchanger, the mean temperature of working medium in the system is descended, thereby cause the average pressure of working medium to be in minimum; And when piston near the top dead centre of hot end heat exchanger near cool end heat exchanger when point moves; Flow to hot chamber from cold chamber through said path through the cooled working medium of cool end heat exchanger; Cryogenic fluid absorbs heat from regenerator, is equivalent to cryogenic fluid is carried out preheating, when piston moves to down solstice; Through the input of the working medium in hot end heat exchanger thermotropism chamber heat; Intrasystem most of working medium is positioned at hot chamber, and the mean temperature of working medium raises in the system, thereby causes the average pressure of working medium to be in peak.So, in the cycle movement process of piston, the power pressure in the system is the variation of generating period property also, thereby can drive vascular device refrigeration.The setting of regenerator has reduced the heat that adds of system, has improved energy utilization efficiency thereby play.
In the present invention, employed vascular is vascular commonly used in the prior art, for example stirling-type vascular or GM type vascular.In the process that cool end heat exchanger moves, because intrasystem pressure raises, make gas working medium get in the vascular device at piston, when the piston arrives lower dead center, the pressure in the vascular device also reaches maximum; In the process that hot end heat exchanger moves, because intrasystem pressure reduces, gas working medium flows out from the vascular device at piston, and when the piston arrives top dead centre, the pressure in the vascular device reaches minimum of a value, thereby accomplishes once circulation.Along with the reciprocating motion of piston in cylinder, the thermocompressor system produces pressure oscillation alternately, drives vascular device refrigeration.
According to a scheme of the present invention, driving mechanism can be the linear electric motors of main shaft and this piston coaxial arrangement, and linear electric motors have stroke limiting stop usually, and the reciprocating motion of piston in cylinder realizes through the control of journey controller.In addition, driving mechanism also can adopt electric rotating machine, at this moment need be connected with piston through toggle, rotatablely moving of motor is converted into the linear reciprocating motion of piston.
In the present invention, the number of thermocompressor system cylinder can be selected as required, can adopt the single cylinder structure, also can adopt the multi-cylinder structure.Adopt under the situation of multi-cylinder structure, for example the number of cylinder can be 2,3,4,5 etc.; According to concrete number of cylinders, can select these cylinder symmetric arrangement perhaps are arranged to V-type.In addition, when adopting the multi-cylinder structure, can utilize action when realizing multi-cylinder through each cylinder piston separately is together in series, this will further describe in the text.
According to the present invention, in order to strengthen refrigeration, the vascular device in the refrigeration machine can be configured to one or more levels, and arrangement can be selected as required, for example according to any layout in straight line, the coaxial and U type mode.
In addition; In order to improve the performance of the refrigeration machine that this hot press drives; Also be provided with the phase modulating mechanism that is used for vascular, at least a in aperture-air reservoir phase modulating mechanism that phase modulating mechanism can be bidirection air intake mechanism, multi-channel shunt mechanism, be made up of the gentle storehouse of little ports valve, inertia tube-air reservoir phase modulating mechanism of forming by inertia tube and air reservoir, the inertia tube.
In addition, hot end heat exchanger can adopt the external combustion mode of heating, and cool end heat exchanger can adopt air-cooled or water-cooling pattern cools off.It will be appreciated by those skilled in the art that hot end heat exchanger is adopted the internal combustion heating, and the cooling of cool end heat exchanger being carried out other form also falls within the scope of the invention.
Drive according to vascular refrigerator of the present invention needs mechanical power seldom, and utilize low grade heat energy for example used heat wait the compressed gas-driven pulse tube refrigeration, externally produce cold, have easy manufacturing, it is low to make an uproar, and vibrates little characteristics.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified, Reference numeral identical among the figure is represented components identical, wherein:
Fig. 1 is that wherein regenerator is arranged in the piston according to the structural representation of an embodiment of the refrigeration machine of thermocompressor driving of the present invention;
Fig. 2 is that wherein regenerator is arranged between the inner and outer wall of cylinder according to the structural representation of another embodiment of the refrigeration machine of thermocompressor driving of the present invention;
Fig. 3 is that wherein regenerator is arranged in outside the cylinder according to the structural representation of another embodiment of the refrigeration machine of thermocompressor driving of the present invention;
Fig. 4 is the structural representation according to another embodiment of the refrigeration machine of thermocompressor driving of the present invention, and wherein regenerator is made up of the working medium in the folder crack between piston and the cylinder wall;
Fig. 5 is the structural representation according to the refrigeration machine of the thermocompressor driving of twin-tub structure of the present invention, wherein two cylinder symmetric arrangement;
Fig. 6 is the structural representation according to the refrigeration machine of the thermocompressor driving of four cylinder structures of the present invention, wherein four cylinder symmetric arrangement;
Fig. 7 to Figure 10 shows the multiple phase modulating mechanism of the refrigeration machine phase modulation that is used for thermocompressor driving of the present invention.
The Reference numeral list
The 1-cylinder; The 2-piston; The 3-regenerator; The 4-hot end heat exchanger; The 5-cool end heat exchanger; The 6-driving mechanism; 7-vascular device; The hot end heat exchanger of 7a-vascular device; The cool end heat exchanger of 7b-vascular device; The hot chamber of 8-; The cold chamber of 9-; The hot chamber of 8a-end; The cold chamber of 9a-end; The 10-regenerator; 10a-regenerator hot junction; 10b-regenerator cold junction; The 11-inertia tube; The 12-air reservoir; The little ports valve of 13-; 14-multi-channel shunt valve; 15-bidirection air intake valve.
The specific embodiment
Referring to Fig. 1, show the structural representation of an embodiment of the refrigeration machine that drives according to thermocompressor of the present invention.As can be seen from the figure; This refrigeration machine mainly comprises vascular device 7 and thermocompressor system; The thermocompressor system comprises the cylinder 1 that is communicated with vascular device 7 fluids; Be positioned at the piston 2 that this cylinder 1 is divided into hot chamber 8 and cold chamber 9, and the hot end heat exchanger 4 and the cool end heat exchanger 5 that is arranged in cold chamber end 9a that are arranged in hot chamber end 8a.And be packaged with working medium in the thermocompressor system; Hot end heat exchanger 4 is used for the working medium in the heat transferred cylinder 1 of thermal source; Here mainly be meant the working medium in the hot chamber 8, cool end heat exchanger 5 is used for cold is passed to the working medium in the cylinder, mainly is the working medium in the cold chamber 9 here.In this embodiment, along piston 2 vertically offer through hole, this through hole forms in path that hot chamber 8 and cold chamber 9 fluids are communicated with and this through hole and is equiped with regenerator 3.In the present invention, the working medium in the cylinder for example can be selected from any in helium, nitrogen, hydrogen, air and composition thereof.It will be understood by those skilled in the art that according to concrete refrigeration demand and also can select other suitable working fluid for use.In addition; Here the regenerator 3 that adopts is cryogenic technique field a kind of devices commonly used; It is made up of the porous media solid packing with high specific heat capacity and lower resistance coefficient, and filler can be for example stainless steel, a phosphor bronze silk screen of fine metal mesh, and small metal ball and magnetic material are formed.
Thermocompressor system among the present invention also comprises driven plunger 2 reciprocating driving mechanism 6 in cylinder 1; In this embodiment; Driving mechanism 6 is the linear electric motors of its main shaft and piston 2 coaxial arrangement; And these linear electric motors also are provided with the stroke limiting stop (not shown), are used for the reciprocating motion of control piston in cylinder 1.As replacement scheme, also can use electric rotating machine as driving mechanism 6, electric rotating machine is connected with piston 2 through toggle, thereby converts rotatablely moving of electric rotating machine to rectilinear motion.Advantageously; In the present invention; The thermocompressor system utilizes hot end heat exchanger 4 to absorb the for example driving that mutually combines of low grade heat energy and driving mechanism of extraneous heat energy; Only need driving mechanism 6 inputs energy seldom, the pressure wave that just can make the thermocompressor operation produce alternate drives vascular device 7 and obtains low temperature.The heat energy that is used for driving the thermocompressor system here, for example comprise solar energy, chemical reaction can and the heat energy that produces of liquid, gas and solid fuel wait and drive.As long as can produce the heat of uniform temperature, just can drive this thermocompressor system works.
In the refrigeration machine that thermocompressor according to the present invention drives, start driving mechanism 6, it drives piston 2 and in cylinder 1, moves.At piston 2 from the process that move in end 9a thermotropism chamber, cold chamber 8; High temperature refrigerant in the hot chamber 8 flows to cold chamber 9 through regenerator 3; A part of heat of high temperature refrigerant is stored in the regenerator 3, is equivalent to the high temperature refrigerant precooling, and the temperature under the effect of cool end heat exchanger 5 of the working medium in the cold chamber 9 reduces; When piston 2 during to the least significant end (top dead centre of piston can be thought in this position) in hot chamber 8; Working medium major part in the cylinder 1 is in this cold chamber, and the temperature of working medium drops to minimum, thereby the intrasystem pressure of whole thermocompressor is in minimum in this position.Piston 2 from hot chamber end 8a to the process that move in cold chamber, the cryogenic fluids in the cold chamber 9 flow to hot chamber 8 through regenerator 3, cryogenic fluid absorbs heats from regenerator 3; Be equivalent to the cryogenic fluid preheating; At this moment the working medium in the hot chamber 8 absorb from the heat of hot end heat exchanger 4 and temperature height, and when piston 2 moved to the least significant end (lower dead center of piston can be thought in this position) in cold chamber, the working medium major part in the cylinder 1 was in hot chamber; The temperature of working medium is elevated to peak; Thereby in this position the pressure of whole thermocompressor system is in peak, at this moment, piston 2 is accomplished periods of motion.In the cycle movement process of piston, the thermocompressor system produces the pressure wave of alternate, obtains low temperature thereby drive vascular device 7 refrigeration.In the present invention, can select the travel frequency of piston,, then can select higher piston travel frequency,, then can select lower piston travel frequency if the refrigerating capacity of expectation is less if the refrigerating capacity of expectation is bigger according to the size of required refrigerating capacity.In this embodiment, the low-limit frequency of piston can be 0.1Hz, and highest frequency can be selected in the scope that frame for movement allows as required.
Those skilled in the art are to be understood that; Regenerator among the present invention is a kind of device that arrives commonly used in the low-temperature refrigeration technology; It is made up of the porous media solid packing with high specific heat capacity and lower resistance coefficient; Filler can be for example stainless steel, a phosphor bronze etc. of fine metal mesh, compositions such as small metal ball or particle and magnetic material.
In the present invention; The vascular device 7 that uses is that those skilled in the art know; It is made up of regenerator 10, hot end heat exchanger 7a, vascular, cool end heat exchanger 7b and phase modulating mechanism usually, and this vascular utilizes the adiabatic degassing expansion process of gases at high pressure in the vascular cavity to obtain refrigeration effect.Below the process of refrigerastion of vascular is simply described; When the intrasystem pressure of thermocompressor raise, gas got in the vascular with laminar, the gas in the vascular was pushed to the hot end heat exchanger 7a of vascular; Gas compression and temperature raise; At this moment the temperature in the vascular reaches peak Th, next to hot end heat exchanger 7a cooling, the temperature in vascular hot junction is reduced to Ta; When the intrasystem pressure of thermocompressor reduced, the gas in the vascular 7 flowed out, and gas expands to lower the temperature and produces refrigeration effect, and at this moment the temperature of gas is reduced to Tc in the vascular, accomplishes a kind of refrigeration cycle.Along with the continuous running of thermocompressor system, repeat above-mentioned kind of refrigeration cycle, after repeatedly circulating, the minimum for example liquid nitrogen temperature that reaches of the temperature of vascular refrigerator is promptly about 4K.This low-temperature space (for example being lower than-153 ℃) refrigeration machine can be applied to low-temperature superconducting, space technology and defence and military aspect.Certainly, this vascular refrigerator also can be applied to field of air conditioning.
In addition, the heat exchanger that uses in this embodiment also is this area heat exchanger commonly used, comprises pipe heat exchanger, tubular heat exchanger, finned heat exchanger and plate type heat exchanger etc.
Fig. 2 shows according to another embodiment of the invention; Wherein except the path with hot chamber 8 and the connection of cold chamber 9 fluids is formed by the cavity between the inner and outer wall that is arranged on cylinder 1; The refrigeration machine that thermocompressor shown in other structure and Fig. 1 drives is similar, and wherein regenerator 3 is arranged in the cavity between cylinder inner wall and the outer wall.Fig. 3 shows another embodiment of the path that hot chamber 8 and cold chamber 9 fluids is communicated with according to the present invention; In this embodiment; This path forms by being arranged in the outer connecting line from hot chamber end 8a to cold chamber end 9a of this cylinder, and regenerator 3 is connected in this connecting line.Another embodiment of the path that hot chamber 8 and cold chamber 9 fluids are communicated with has been shown in Fig. 4; Wherein this path is formed by the folder crack between the inwall of piston 2 and cylinder 1; Here, the working medium in the folder crack can play the effect of the regenerator that is provided with among the above embodiment.The running and the refrigeration machine shown in Fig. 1 of the refrigeration machine among these three embodiment are similar, here repeat no more.
Fig. 5 and Fig. 6 show the thermocompressor system with a plurality of cylinders.Thermocompressor system among Fig. 4 is the twin-tub structure, and two cylinder 2 symmetric arrangement are configured to make two same moved further of the piston in the cylinder at driving mechanism 6, and such configuration has improved force balance effect, and then has also improved operating efficiency.As replacement scheme; Different with shown in Fig. 5, two cylinders of thermocompressor system also can so be arranged, make the piston of two cylinders be connected through the connecting rod that is arranged between two cylinders; The cold chamber of one of them cylinder is near connecting rod; And the hot chamber of another cylinder is near this connecting rod, and the cold chamber of two cylinders is communicated with through the pipeline fluid, and this pipeline is communicated to the vascular device again.When the drive mechanism connecting rod drove piston and moves, the piston in two cylinders can arrive top dead centre and lower dead center simultaneously, and because the pressure at piston two ends equates that driving mechanism only needs very little power.When the thermocompressor system is three cylinders or four cylinder structures, also can adopt this mode.Thermocompressor system shown in Fig. 6 is the four-cylinder structure, and this configuration is compared with twin-tub mechanism among Fig. 5, has the operating efficiency of better force balance effect and Geng Gao.
In addition, in a preferred embodiment according to the present invention, the refrigeration machine that thermocompressor drives has the phase modulating mechanism that is used for vascular 7.Fig. 7 to Figure 10 shows pulse tube refrigeration field several kinds of phase modulating mechanisms commonly used.Phase modulating mechanism shown in Fig. 7 comprises air reservoir 12, aperture valve 13 and bidirection air intake valve 15; The wherein hot end heat exchanger 7a of air reservoir 12, aperture valve 13 and vascular fluid connection in order; Bidirection air intake valve 15 is arranged between the hot end heat exchanger 7a of thermocompressor system and vascular; A gas part of coming out from the thermocompressor system so directly gets into the hot junction of vascular device, plays the effect of adjustments of gas phase place, thereby has improved the performance of vascular refrigerator.Phase modulating mechanism shown in Fig. 8 comprises air reservoir 12, aperture valve 13 and multi-channel shunt valve 14; The wherein hot end heat exchanger 7a of air reservoir 12, aperture valve 13 and vascular fluid connection in order; Multi-channel shunt valve 14 is arranged between thermocompressor system and the vascular main body; The thermocompressor system is communicated with the vascular main body, and gas working medium can flow between air reservoir and vascular through the small holes valve back and forth, thereby obtains the refrigeration of expectation.Phase modulating mechanism shown in Fig. 9 comprises the inertia tube 11 and air reservoir 12 that is communicated with the hot end heat exchanger 7a of vascular fluid successively, and inertia tube can adopt copper pipe, stainless steel tube etc. here.Certainly, phase modulating mechanism also can include only the inertia tube 11 that is communicated with the hot end heat exchanger of vascular, and is shown in figure 10.In addition, it will also be appreciated that other suitable phase modulating mechanism of use.
In the present invention, though do not illustrate in the accompanying drawings, vascular device 7 can be arranged to the one-level vascular, or is arranged to multistage vascular by straight line, coaxial or U type mode.
Under the situation that does not exceed the spirit and scope of the present invention, those of ordinary skills can make these and other change and variation to the present invention, and this has done in the accompanying Claim book more specifically and has set forth.Be to be further appreciated that the many aspects of different schemes are mutual alternative completely or partially.In addition, the explanation that one of ordinary skill in the art will appreciate that the front only is exemplary, can not constitute restriction to the content of the present invention that in the accompanying Claim book, further describes.
Claims (10)
1. the refrigeration machine that drives of a thermocompressor; It comprises thermocompressor system and vascular device (7); Wherein this thermocompressor system has at least one cylinder (1) that working medium is housed that is communicated with this vascular device (7) fluid; Be arranged on the interior piston (2) that the cylinder cavity is separated into hot chamber (8) and cold chamber (9) of this cylinder (1); Drive this piston (2) reciprocating driving mechanism (6) in cylinder; And hot chamber end (8a) that is arranged in said cylinder (1) is used for being used for the cool end heat exchanger (5) to the input of the working medium in cylinder cold to the hot end heat exchanger (4) of the working medium in cylinder input heat with cold chamber end (9a) that is arranged in said cylinder (1), and between this hot chamber (8) and this cold chamber (9) by via fluid connection, in this path, be provided with regenerator (3).
2. the refrigeration machine that thermocompressor according to claim 1 drives is characterized in that said path is formed by the through hole of vertically offering along this piston (2), and this regenerator (3) is arranged in this through hole.
3. the refrigeration machine that thermocompressor according to claim 1 drives is characterized in that said path is formed by the cavity between the inner and outer wall of this cylinder (1), and this regenerator (3) is arranged in this cavity.
4. the refrigeration machine that thermocompressor according to claim 1 drives; It is characterized in that; Said path is formed by the connecting line (8c) from this hot chamber end (8a) to this cold chamber end (8b) outside this cylinder (1), and this regenerator (3) is connected in this connecting line (8c).
5. the refrigeration machine that thermocompressor according to claim 1 drives is characterized in that said path is formed by the folder crack between this piston (2) and this cylinder (1) inwall.
6. the refrigeration machine that drives according to each described thermocompressor in the claim 1 to 5 is characterized in that, said driving mechanism (6) is the linear electric motors with this piston (2) coaxial arrangement.
7. the refrigeration machine that drives according to each described thermocompressor in the claim 1 to 5 is characterized in that said driving mechanism (6) is an electric rotating machine, and it is connected with this piston (2) through toggle.
8. the refrigeration machine that drives according to each described thermocompressor in the claim 1 to 5 is characterized in that, is under the plural situation at the number of said cylinder, according to the concrete number of said cylinder, can or be arranged to V-type with these cylinder symmetric arrangement.
9. the refrigeration machine that thermocompressor according to claim 8 drives is characterized in that the cold chamber of said a plurality of cylinders (1) communicates with each other through a stream, and this vascular device fluid is connected in this stream with being communicated with.
10. the refrigeration machine that drives according to each described thermocompressor in the claim 1 to 5; It is characterized in that at least a in aperture-air reservoir phase modulating mechanism that the phase modulating mechanism of this vascular device (7) comprises bidirection air intake mechanism, multi-channel shunt mechanism, be made up of the gentle storehouse of little ports valve, inertia tube-air reservoir phase modulating mechanism of forming by inertia tube and air reservoir, the inertia tube.
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| CN2010102479934A CN102374690A (en) | 2010-08-06 | 2010-08-06 | Refrigerating machine driven by thermal compressor |
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| CN105222386B (en) * | 2014-05-27 | 2017-07-28 | 同济大学 | A kind of pneumatic GM refrigeration machines and its control process |
| CN105115182A (en) * | 2015-09-25 | 2015-12-02 | 中国科学院上海技术物理研究所 | Monopole coaxial pulse tube refrigeration device of annular pulse tube structure and design method thereof |
| CN105508076A (en) * | 2016-01-19 | 2016-04-20 | 江苏源之翼电气有限公司 | Hot-air engine with air moving piston internally provided with regenerator |
| CN105508076B (en) * | 2016-01-19 | 2017-03-29 | 江苏源之翼电气有限公司 | Built-in regenerator moves the thermomotor of gas piston |
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