CN218065413U - Heat-driven thermoacoustic Stirling refrigerating system with bypass channel - Google Patents
Heat-driven thermoacoustic Stirling refrigerating system with bypass channel Download PDFInfo
- Publication number
- CN218065413U CN218065413U CN202222206395.3U CN202222206395U CN218065413U CN 218065413 U CN218065413 U CN 218065413U CN 202222206395 U CN202222206395 U CN 202222206395U CN 218065413 U CN218065413 U CN 218065413U
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- bypass
- buffer tube
- thermal buffer
- room temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model relates to the technical field of energy utilization equipment, and provides a heat-driven thermoacoustic Stirling refrigeration system with a bypass channel, which comprises an engine unit, a refrigerator unit, a heat buffer tube, a compression cavity, an expansion cavity and the bypass channel; the two ends of the thermal buffer tube are respectively connected with the outlet of the engine unit and the inlet of the refrigerator unit, the compression cavity is connected to one end of the engine unit far away from the thermal buffer tube, the expansion cavity is connected to one end of the refrigerator unit far away from the thermal buffer tube, and the compression cavity is communicated with the expansion cavity; a bypass passage may be provided between the thermal buffer tube and an end of the engine unit adjacent the compression chamber, the bypass passage being adapted to split the acoustic power to reduce the acoustic power entering the engine unit. The utility model provides a thermal drive heat sound stirling refrigerating system with bypass passageway adjusts stirling refrigerating system's merit stream matching through the bypass passageway that increases reposition of redundant personnel sound merit between engine unit and refrigerator unit, improves the operating efficiency of refrigerating system complete machine under the high temperature condition.
Description
Technical Field
The utility model relates to an energy utilization equipment technical field especially relates to a thermal drive heat sound stirling refrigerating system with bypass channel.
Background
With the increasing development of economy in China, the demand for energy is also increasing continuously, and at present, the energy consumption of heat supply and cold supply accounts for about half of the total energy consumption of the whole world, so that efficient and reliable heat supply and cold supply technologies are sought, and the method has great significance for energy conservation and emission reduction.
The heat-driven thermoacoustic Stirling technology is based on thermoacoustic effect, the thermoacoustic effect mainly refers to reciprocating oscillation of compressible gas under the action of heat, the process of mutual conversion between sound energy and heat energy is realized, the heat energy can be consumed to generate sound energy (positive circulation), refrigeration (reverse circulation) can also be realized by utilizing the sound energy, a heat-driven thermoacoustic Stirling refrigeration system realizes the coupling of the positive circulation and the reverse circulation, and the heat-sound-cold conversion is realized in the system.
In the prior art, the existing thermal driving thermoacoustic stirling refrigerating system adopts a thermal buffer tube to directly couple an engine unit and a refrigerator unit, and although the structure is simple and compact, the system has limited capacity of regulating energy flow. That is, almost all of the sound power amplified by the engine unit enters the refrigerator unit, and when the sound power generating capability of the engine does not match with the sound power consumption capability of the refrigerator, especially when the heating temperature is high, the amount of the sound power amplified by the engine unit is large, but the sound power consumption capability of the refrigerator unit is limited, the sound power is dissipated due to large flow resistance, and the performance coefficient of the system is greatly influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a thermal drive heat sound stirling refrigerating system with bypass channel for solve the ability of the big sound power of prior art's stirling refrigerating system engine under the higher condition of heating temperature and consume the sound power ability with the refrigerator and mismatch, the sound power dissipation is too big, leads to the not good problem of performance of system.
The utility model provides a heat drive heat sound stirling refrigerating system with bypass passageway, include: the system comprises an engine unit, a refrigerator unit, a thermal buffer tube, a compression cavity, an expansion cavity and a bypass channel;
the two ends of the thermal buffer tube are respectively connected with the engine unit and the refrigerator unit, the compression cavity is connected to one end of the engine unit far away from the thermal buffer tube, the expansion cavity is connected to one end of the refrigerator unit far away from the thermal buffer tube, and the compression cavity is communicated with the expansion cavity;
the bypass channel is arranged between one end of the engine unit close to the compression cavity and the thermal buffer tube, and is used for shunting the acoustic work so as to reduce the acoustic work entering the engine unit.
According to the utility model provides a thermal drive heat sound stirling refrigerating system with bypass passageway, engine unit includes coaxial hot junction heat exchanger, first heat recovery ware and the first room temperature heat exchanger that sets up;
one end of the hot end heat exchanger is connected with one end of the thermal buffer tube, and one end of the hot end heat exchanger close to the thermal buffer tube is an outlet of the engine unit; the other end of the hot end heat exchanger is connected with one end of the first heat regenerator, the other end of the first heat regenerator is connected with one end of the first room temperature heat exchanger, and the other end of the first room temperature heat exchanger is connected with the compression cavity.
According to the heat-driven thermoacoustic stirling refrigeration system with the bypass channel provided by the utility model, the refrigerating machine unit comprises a second room temperature heat exchanger, a second heat regenerator and a cold end heat exchanger which are coaxially arranged;
one end of the second room temperature heat exchanger is connected with the other end of the thermal buffer tube, and one end of the second room temperature heat exchanger close to the thermal buffer tube is an inlet of the refrigerator unit; the other end of the second room temperature heat exchanger is connected with one end of the second heat regenerator, the other end of the second heat regenerator is connected with one end of the cold end heat exchanger, and the other end of the cold end heat exchanger is connected with the expansion cavity.
According to the utility model provides a thermal drive heat sound stirling refrigerating system with bypass channel, bypass channel is the bypass pipe, the first end of bypass pipe with first room temperature heat exchanger is close to the one end in compression chamber is connected, the second end of bypass pipe with thermal buffer pipe intercommunication.
According to the utility model provides a heat drive heat sound stirling refrigerating system with bypass passageway, be equipped with the direct current inhibitor in the bypass pipe.
According to the utility model provides a thermal drive heat sound stirling refrigerating system with bypass passageway, the bypass pipe is located the engine unit with between the refrigerator unit, the second end of bypass pipe with heat buffer tube is close to the one end of second room temperature heat exchanger is connected.
According to the utility model provides a thermal drive heat sound stirling refrigerating system with bypass passageway, the bypass pipe wears to locate in proper order the hot junction heat exchanger first heat regenerator reaches first room temperature heat exchanger, the second end of bypass pipe with the thermal buffer tube is close to the one end of hot junction heat exchanger is connected.
According to the utility model provides a thermal drive heat sound stirling refrigerating system with bypass passageway, still be equipped with the compression piston in the compression chamber, the compression piston is used for following reciprocating linear motion is to the axial direction of compression chamber.
According to the utility model provides a thermal drive heat sound stirling refrigerating system with bypass channel, the hot junction heat exchanger first regenerator with first room temperature heat exchanger is the loop configuration, just the inner chamber of hot junction heat exchanger the inner chamber of first regenerator with the coaxial setting of the inner chamber of first room temperature heat exchanger is in order to found to form the bypass channel, the bypass channel with the compression chamber with the thermal buffer pipe intercommunication.
According to the utility model provides a thermal drive heat sound stirling refrigerating system with bypass passageway, be equipped with the bypass piston in the bypass passageway, the bypass piston is used for following reciprocating linear motion is to the axial direction of bypass passageway.
The utility model provides a heat drive thermoacoustic stirling refrigerating system with bypass channel, including the engine unit, the refrigerator unit, the thermal buffer tube, the compression chamber, inflation chamber and bypass channel, through the bypass channel who increases a reposition of redundant personnel sound merit between engine unit and refrigerator unit, make partial sound merit not pass through engine unit and enlarge, but directly get into the refrigerator unit and be consumed, the setting of this bypass channel, can let stirling refrigerating system enlarge limited sound merit under high temperature stirling, match with the power flow of adjustment refrigerating system, improve the operating efficiency of the entire system of heat drive stirling refrigerating system under the high temperature condition.
In addition to the technical problems addressed by the present invention, the technical features of the constituent technical solutions, and the advantages brought by the technical features of these technical solutions, which have been described above, other technical features of the present invention and the advantages brought by these technical features will be further described with reference to the accompanying drawings, or can be learned by practice of the present invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is one of the schematic diagrams of a thermally driven thermo-acoustic Stirling refrigeration system with a bypass channel according to an embodiment of the present invention;
fig. 2 is a second schematic diagram of a thermally driven thermo-acoustic stirling refrigeration system with a bypass channel according to an embodiment of the present invention;
fig. 3 is a third schematic diagram of a thermally driven thermo-acoustic stirling refrigeration system with a bypass passage according to an embodiment of the present invention;
reference numerals are as follows:
1: an engine unit; 11: a hot end heat exchanger; 12: a first heat regenerator; 13: a first room temperature heat exchanger; 2: a refrigerator unit; 21: a second room temperature heat exchanger; 22: a second regenerator; 23: a cold end heat exchanger; 3: a thermal buffer tube; 4: a compression chamber; 41: a compression piston; 42: a second plate spring; 5: an expansion chamber; 51: an expansion piston; 52: a first plate spring; 6: a bypass channel; 61: a bypass pipe; 62: a direct current suppression component; 7: bypassing the piston.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the embodiments of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.
The heat-driven thermo-acoustic stirling refrigeration system with the bypass channel provided by the embodiment of the present invention is described below with reference to fig. 1 to 3.
The existing direct-connection type heat-driven thermoacoustic Stirling refrigerating system adopts a heat buffer pipe to directly couple an engine unit and a refrigerator unit, although the structure is simple and compact, the system has limited energy flow adjusting capacity, particularly, almost all the acoustic power amplified by the engine unit enters the refrigerator unit, when the capacity of the engine for generating large acoustic power is not matched with the capacity of the refrigerator for consuming the acoustic power, the acoustic power is dissipated due to large flow resistance and the like, and the performance coefficient of the system is greatly influenced.
In addition, the existing direct-connection type heat-driven thermoacoustic Stirling refrigerating system basically adopts a beta type structure, namely a phase modulation piston and a power piston share one compression cavity, so that the structure is compact, but the design is relatively complex. The motion of the phasing piston tends to be impeded due to the longer Dome of the phasing piston or the longer Rod of the Rod. The embodiment of the utility model provides a use alpha type thermal drive heat sound stirling heat engine for the example introduce.
The embodiment of the utility model provides an in heat drive heat sound stirling refrigerating system with bypass channel 6, include: engine unit 1, refrigerator unit 2, thermal buffer tube 3, compression chamber 4, expansion chamber 5 and bypass channel 6.
The both ends of thermal buffer tube 3 are connected with engine unit 1 and refrigerator unit 2 respectively, and compression chamber 4 is connected in the one end that thermal buffer tube 3 was kept away from to engine unit 1, and expansion chamber 5 is connected in the one end that thermal buffer tube 3 was kept away from to refrigerator unit 2, and compression chamber 4 and expansion chamber 5 intercommunication.
A bypass channel 6 is provided between the end of the engine unit 1 adjacent the compression chamber 4 and the thermal buffer tube 3, the bypass channel 6 serving to split the acoustic work to reduce the acoustic work entering the engine unit 1.
Specifically, the embodiment of the present invention provides a heat-driven thermoacoustic stirling refrigeration system with bypass channel 6, as shown in fig. 1 to 3, including engine unit 1, refrigerator unit 2, thermal buffer tube 3, compression chamber 4, expansion chamber 5 and bypass channel 6, wherein, connect through thermal buffer tube 3 between the export of engine unit 1 and the entry of refrigerator unit 2, that is, engine unit 1, thermal buffer tube 3 and refrigerator unit 2 communicate end to end in proper order, as shown in fig. 1, thermal buffer tube 3 may be a U-shaped structure.
The bypass channel 6 for shunting the acoustic power is additionally arranged between the engine unit 1 and the refrigerating machine unit 2, so that part of the acoustic power does not pass through the engine unit 1 for amplification, but directly enters the refrigerating machine unit 2 for consumption, and the arrangement of the bypass channel 6 can ensure that the engine unit of the Stirling refrigerating system only amplifies limited acoustic power at high temperature so as to adjust the power flow matching of the Stirling refrigerating system and improve the operating efficiency of the whole system of the thermally driven Stirling refrigerating system at high temperature.
In an alternative embodiment, the engine unit 1 comprises a hot side heat exchanger 11, a first recuperator 12 and a first room temperature heat exchanger 13 arranged coaxially.
One end of the hot end heat exchanger 11 is connected with one end of the thermal buffer tube 3, and one end of the hot end heat exchanger 11 close to the thermal buffer tube 3 is an outlet of the engine unit 1; the other end of the hot-end heat exchanger 11 is connected with one end of a first heat regenerator 12, the other end of the first heat regenerator 12 is connected with one end of a first room-temperature heat exchanger 13, and the other end of the first room-temperature heat exchanger 13 is connected with the compression cavity 4.
Specifically, as shown in fig. 1, the hot end heat exchanger 11, the first heat regenerator 12, and the first room temperature heat exchanger 13 in the engine unit 1 are sequentially connected from top to bottom, due to the input of high temperature heat, the hot end heat exchanger 11 is maintained at a high temperature, the first room temperature heat exchanger 13 in the engine unit 1 exchanges heat with water, and is maintained at a room temperature, so that the gas in the first heat regenerator 12 in the engine unit 1 establishes a temperature gradient, and self-excited oscillation generates acoustic power, which can enter the refrigerator unit 2 through the thermal buffer tube 3, and the acoustic power is consumed in the refrigerator unit 2.
In an alternative embodiment, the chiller unit 2 includes a second room temperature heat exchanger 21, a second regenerator 22, and a cold end heat exchanger 23, which are coaxially disposed.
One end of the second room temperature heat exchanger 21 is connected with the other end of the thermal buffer tube 3, and one end of the second room temperature heat exchanger 21 close to the thermal buffer tube 3 is an inlet of the refrigerator unit 2; the other end of the second room-temperature heat exchanger 21 is connected to one end of a second regenerator 22, the other end of the second regenerator 22 is connected to one end of a cold-side heat exchanger 23, and the other end of the cold-side heat exchanger 23 is connected to the expansion chamber 5.
Specifically, as shown in fig. 1, a second room temperature heat exchanger 21, a second regenerator 22 and a cold end heat exchanger 23 of the refrigerator unit 2 are sequentially connected from top to bottom, and the gas in the first regenerator 12 is self-excited to oscillate to generate acoustic power, which is specifically consumed in the second regenerator 22 of the refrigerator unit 2, and the heat of the cold end heat exchanger 23 is transported to the second room temperature heat exchanger 21 to realize the refrigeration function.
In addition, as shown in fig. 1, a compression chamber 4 is further disposed at the bottom of the first room temperature heat exchanger 13, an expansion chamber 5 is further disposed at the bottom of the cold end heat exchanger 23, the compression chamber 4 is communicated with the expansion chamber 5, an expansion piston 51 is disposed in the expansion chamber 5, the above-mentioned acoustic power not consumed by the second regenerator 22 is transmitted through the expansion piston 51, and the expansion piston 51 plays roles of transmitting the acoustic power and adjusting the system phase. A compression piston 41 is provided in the compression chamber 4, and the above-mentioned acoustic work can be transmitted to the compression chamber 4 through the compression piston 41.
It should be noted that, as shown in fig. 1, a first plate spring 52 may be disposed at the bottom of the expansion piston 51 to provide a reciprocating force, or a coupled magnetic circuit-circuit structure may be disposed to provide a reciprocating force by using a magnetic spring, and the circuit system may generate electricity.
At this time, the acoustic work in the compression chamber 4 is divided into two parts by the bypass passage 6, one part enters the engine unit 1 to be amplified again, and the other part enters the refrigerator unit 2 through the bypass. The bypass channel 6 is arranged, so that part of the acoustic power can be directly utilized by the refrigerator unit 2 without flowing through the engine unit 1, the engine unit 1 and the refrigerator unit 2 can realize better thermo-acoustic conversion and power flow matching at high temperature, and the condition of large energy loss caused by power flow mismatching is avoided.
The embodiment of the bypass channel 6 in the embodiment of the present invention can be implemented in various ways, such as:
in some embodiments of the present invention, bypass channel 6 is a bypass pipe 61, a first end of bypass pipe 61 is connected to an end of first room temperature heat exchanger 13 close to compression chamber 4, and a second end of bypass pipe 61 is communicated with thermal buffer tube 3.
In an alternative embodiment, a direct flow inhibitor 62 is provided within the bypass tube 61. The dc suppressing member 62 may be an elastic film, or may be an asymmetric structure to form a dc suppressing structure, such as a nozzle, to suppress dc.
Specifically, the bypass passage 6 is provided as a bypass pipe 61, and the outlet end of the compression chamber 4 (the inlet of the first room temperature heat exchanger 13) is connected to the inlet of the second room temperature heat exchanger 21 in the refrigerator unit 2 by the bypass pipe 61 so that the acoustic power can be divided into two routes into the refrigerator unit 2.
In one embodiment of the present invention, as shown in fig. 1, a bypass pipe 61 is provided between the engine unit 1 and the refrigerator unit 2, and a second end of the bypass pipe 61 is connected to an end of the thermal buffer tube 3 close to the second room temperature heat exchanger 21.
Specifically, as shown in fig. 1, the bypass pipe 61 is provided between the engine unit 1 and the chiller unit 2, may be a broken line shape or a straight line shape, and may connect an inlet of the first room temperature heat exchanger 13 in the engine unit 1 and an inlet of the second room temperature heat exchanger 21 in the chiller unit 2, and the shape thereof is not particularly limited, and is provided such that a part of the acoustic work may directly enter the chiller unit 2 through the bypass pipe 61.
In another embodiment of the present invention, as shown in fig. 2, the bypass pipe 61 sequentially penetrates through the hot end heat exchanger 11, the first heat regenerator 12 and the first room temperature heat exchanger 13, and the second end of the bypass pipe 61 is connected to the end of the thermal buffer tube 3 close to the hot end heat exchanger 11.
Specifically, as shown in fig. 2, the bypass pipe 61 may be inserted into the engine unit 1 and connected to the thermal buffer tube 3, and such an arrangement may be made that a part of the acoustic power enters the engine unit 1 to be amplified, and the other part of the acoustic power enters the thermal buffer tube 3 through the bypass pipe 61 and is transmitted to the refrigerator unit 2 through the thermal buffer tube 3, or the acoustic power may be divided into two lines to be transmitted.
Compared with the first arrangement mode of the bypass pipe 61, the second arrangement mode of the bypass pipe 61 places the bypass pipe 61 inside the engine unit 1, so that the system structure can be further simplified, and the volume of the system is reduced.
In an alternative embodiment, a compression piston 41 is further disposed in the compression chamber 4, and the compression piston 41 is configured to reciprocate linearly along the axial direction of the compression chamber 4.
Specifically, as shown in fig. 1 and 2, in the two arrangements, a compression piston 41 is provided in the compression chamber 4 at the bottom of the engine unit 1, and the compression piston 41 can perform reciprocating linear motion in the axial direction of the compression chamber 4 to transmit acoustic work.
Here, the compression piston 41 is provided at the bottom thereof with a spring member, which may be a second plate spring 42, for providing a reciprocating force to the vibration of the compression piston 41.
In other embodiments of the present invention, as shown in fig. 3, the hot end heat exchanger 11, the first heat regenerator 12 and the first room temperature heat exchanger 13 are all of an annular structure, and the inner cavity of the hot end heat exchanger 11, the inner cavity of the first heat regenerator 12 and the inner cavity of the first room temperature heat exchanger 13 are coaxially disposed, so as to form the bypass passage 6, and the bypass passage 6 is communicated with the compression chamber 4 and the thermal buffer tube.
Specifically, in this embodiment, as shown in fig. 3, a passage for transferring acoustic work is constructed by using the ring structures of the hot side heat exchanger 11, the first heat regenerator 12, and the first room temperature heat exchanger 13 themselves as the bypass passage 6 for acoustic work.
Further, a bypass piston 7 is provided in the bypass passage 6, and the bypass piston 7 is configured to reciprocate linearly in an axial direction of the bypass passage 6. The acoustic power transmitted by the expansion piston 51 is split into two parts, one part entering the engine unit 1 for re-amplification and the other part passing through the bypass piston 7 and entering the refrigerator unit 2 through the thermal buffer tube 3 communicating with the bypass passage 6 for use. Compared with the structure of arranging the bypass pipe 61, the embodiment eliminates the bypass pipe 61 and the direct current inhibitor 62, and greatly simplifies the system.
The embodiment of the utility model provides a hot drive heat sound stirling refrigerating system with bypass passage 6 carries out the distribution of the interior acoustic power flow of system through setting up bypass passage 6 for part acoustic power need not through engine unit 1 and directly gets into refrigerator unit 2 units and carries out the heat sound conversion, avoids engine unit 1 unit and refrigerator unit 2 units can flow to match not well under the heat source high temperature condition, realizes directly linking the high-efficient operation of type hot drive heat sound stirling refrigerating system at more extensive heating warm area with this.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A thermally driven thermo-acoustic stirling refrigeration system having a bypass passage, comprising: the system comprises an engine unit, a refrigerator unit, a thermal buffer tube, a compression cavity, an expansion cavity and a bypass channel;
the two ends of the thermal buffer tube are respectively connected with the outlet of the motor unit and the inlet of the refrigerator unit, the compression cavity is connected to one end of the motor unit far away from the thermal buffer tube, the expansion cavity is connected to one end of the refrigerator unit far away from the thermal buffer tube, and the compression cavity is communicated with the expansion cavity;
the bypass channel is arranged between one end of the engine unit close to the compression cavity and the thermal buffer tube, and is used for shunting the acoustic work so as to reduce the acoustic work entering the engine unit.
2. A thermally-driven thermo-acoustic stirling refrigeration system having a bypass channel according to claim 1 wherein the engine unit comprises a hot end heat exchanger, a first recuperator and a first room temperature heat exchanger arranged coaxially;
one end of the hot end heat exchanger is connected with one end of the thermal buffer tube, and one end of the hot end heat exchanger close to the thermal buffer tube is an outlet of the engine unit; the other end of the hot end heat exchanger is connected with one end of the first heat regenerator, the other end of the first heat regenerator is connected with one end of the first room temperature heat exchanger, and the other end of the first room temperature heat exchanger is connected with the compression cavity.
3. A thermally driven thermo-acoustic stirling refrigeration system with bypass channel according to claim 2 wherein the chiller unit comprises a second room temperature heat exchanger, a second regenerator and a cold end heat exchanger arranged coaxially;
one end of the second room temperature heat exchanger is connected with the other end of the thermal buffer tube, and one end of the second room temperature heat exchanger close to the thermal buffer tube is an inlet of the refrigerator unit; the other end of the second room temperature heat exchanger is connected with one end of the second heat regenerator, the other end of the second heat regenerator is connected with one end of the cold end heat exchanger, and the other end of the cold end heat exchanger is connected with the expansion chamber.
4. A thermally driven thermo-acoustic stirling refrigeration system according to claim 3 having a bypass passage, wherein the bypass passage is a bypass tube, a first end of the bypass tube being connected to the first room temperature heat exchanger at an end adjacent to the compression chamber, and a second end of the bypass tube being in communication with the thermal buffer tube.
5. A thermally driven thermo-acoustic Stirling refrigeration system according to claim 4 having a bypass passage, wherein a flow inhibitor is provided within the bypass tube.
6. A thermally-driven thermo-acoustic Stirling refrigeration system according to claim 5 having a bypass passage, wherein the bypass pipe is disposed between the motor unit and the refrigerator unit, and a second end of the bypass pipe is connected to an end of the thermal buffer tube adjacent to the second room temperature heat exchanger.
7. A heat-driven thermoacoustic Stirling refrigeration system according to claim 5, wherein the bypass pipe passes through the hot end heat exchanger, the first heat regenerator and the first room temperature heat exchanger in sequence, and a second end of the bypass pipe is connected to an end of the thermal buffer pipe close to the hot end heat exchanger.
8. A heat driven thermo-acoustic Stirling refrigeration system according to claim 6 or claim 7, wherein a compression piston is further disposed in the compression chamber, the compression piston being adapted to reciprocate linearly in an axial direction of the compression chamber.
9. A thermally driven thermo-acoustic stirling refrigeration system having a bypass channel according to claim 2 wherein the hot side heat exchanger, the first recuperator and the first room temperature heat exchanger are all of annular configuration and the inner chamber of the hot side heat exchanger, the inner chamber of the first recuperator and the inner chamber of the first room temperature heat exchanger are coaxially arranged to construct the bypass channel, the bypass channel communicating with the compression chamber and the thermal buffer tube.
10. A thermally driven thermo-acoustic stirling refrigeration system having a bypass channel according to claim 9 wherein a bypass piston is provided in the bypass channel for reciprocating linear movement in the axial direction of the bypass channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222206395.3U CN218065413U (en) | 2022-08-22 | 2022-08-22 | Heat-driven thermoacoustic Stirling refrigerating system with bypass channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222206395.3U CN218065413U (en) | 2022-08-22 | 2022-08-22 | Heat-driven thermoacoustic Stirling refrigerating system with bypass channel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218065413U true CN218065413U (en) | 2022-12-16 |
Family
ID=84406585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222206395.3U Active CN218065413U (en) | 2022-08-22 | 2022-08-22 | Heat-driven thermoacoustic Stirling refrigerating system with bypass channel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218065413U (en) |
-
2022
- 2022-08-22 CN CN202222206395.3U patent/CN218065413U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101236025B (en) | Double-drive stirling travelling wave refrigerating device | |
| CN102734097A (en) | Bifunctional multistage travelling wave thermo-acoustic system | |
| CN102734098B (en) | Double-acting single-grade traveling wave thermo-acoustic system | |
| CN101275793B (en) | Heat voice magnetic refrigeration low temperature system | |
| CN108167147A (en) | A kind of tandem cold, heat electric shaft producting device | |
| CN218065413U (en) | Heat-driven thermoacoustic Stirling refrigerating system with bypass channel | |
| CN103527433A (en) | Thermo-acoustic engine system simultaneously using cold source and heat source | |
| CN101655291B (en) | High-pressure-ratio thermoacoustic drive pulse tube refrigerating device adopting liquid-column sound pressure amplifier | |
| CN103759464B (en) | The capable ripple thermoacoustic refrigeration system of loop type that a kind of linear compressor drives | |
| CN112303953A (en) | Waste heat driven refrigerator | |
| CN106440449B (en) | A kind of multi-stage pulse tube refrigeration machine | |
| CN109974324B (en) | Thermo-acoustic loop system capable of being used as power generation, refrigeration or heat pump | |
| CN117663518A (en) | Thermally driven thermo-acoustic Stirling refrigeration system with bypass channel | |
| CN218065416U (en) | Thermoacoustic refrigeration system | |
| CN201166490Y (en) | Double-drive stirling traveling wave refrigerating device | |
| CN105526049B (en) | The adjustable traveling wave thermoacoustic engine system of temperature-heat-source in a kind of utilization | |
| CN111271189B (en) | Combined cooling heating and power system based on thermoacoustic effect and positive and negative electrocaloric effect | |
| CN110454344B (en) | Loop thermoacoustic driving combined cooling heating and power system structure | |
| CN103670976A (en) | Thermo-acoustic engine system with cold source and heat source used simultaneously | |
| CN212657910U (en) | Waste heat driven refrigerator | |
| CN216977225U (en) | Loop multistage heat drive heat pump | |
| CN219264611U (en) | Thermally driven thermo-acoustic refrigerator/heat pump system | |
| CN218065412U (en) | Free piston Stirling refrigeration/heat pump system based on high-temperature heat source drive | |
| CN101498290A (en) | External excitation double drive travelling wave thermoacoustic heat engine | |
| CN110971143A (en) | Thermomagnetic generating set |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |