CN120592763A - A cooler device and a free piston Stirling device - Google Patents
A cooler device and a free piston Stirling deviceInfo
- Publication number
- CN120592763A CN120592763A CN202510869452.1A CN202510869452A CN120592763A CN 120592763 A CN120592763 A CN 120592763A CN 202510869452 A CN202510869452 A CN 202510869452A CN 120592763 A CN120592763 A CN 120592763A
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- cooler
- groove
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- diversity
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Abstract
本发明公开了一种冷却器装置及自由活塞斯特林设备，所述冷却器装置包括：环形的柱状冷却器；其包括适配连接的第一冷却器组件和第二冷却器组件，所述第一冷却器组件沿周向设置有若干个间隔布置的第一凹槽，所述第二冷却器组件沿周向设置有若干个间隔布置的第二凹槽，每个所述第一凹槽与对应的所述第二凹槽适配连接形成冷却剂通道；所述柱状冷却器的侧壁内部设置有间隔布置的进口分集流道和出口分集流道，所述进口分集流道和所述出口分集流道分别与每个所述冷却剂通道连通；所述柱状冷却器的内侧设置有若干个第一散热翅片，所述柱状冷却器的外侧设置有若干个第二散热翅片。本发明中，有效增大了冷却器的散热量，并且能够使冷却器温度更加均匀。
The present invention discloses a cooler device and a free piston Stirling device, the cooler device comprising: an annular columnar cooler; comprising a first cooler assembly and a second cooler assembly that are adapted to be connected, the first cooler assembly being provided with a plurality of first grooves spaced apart along the circumference, the second cooler assembly being provided with a plurality of second grooves spaced apart along the circumference, each first groove being adapted to be connected to a corresponding second groove to form a coolant channel; the sidewall of the columnar cooler being provided with an inlet manifold and an outlet manifold spaced apart inside, the inlet manifold and the outlet manifold being respectively connected to each of the coolant channels; the inner side of the columnar cooler being provided with a plurality of first heat dissipation fins, the outer side of the columnar cooler being provided with a plurality of second heat dissipation fins. In the present invention, the heat dissipation of the cooler is effectively increased, and the cooler temperature can be made more uniform.
Description
Technical Field
The invention relates to the technical field of free piston Stirling, in particular to a cooler device and free piston Stirling equipment.
Background
The free piston Stirling device (comprising a free piston Stirling engine and a free piston Stirling refrigerator) is a high-efficiency heat energy conversion device, combines the thermodynamic principle of Stirling cycle and the mechanical structure of a free piston, and has the characteristics of high reliability, low vibration, long service life and the like. The Stirling cycle is a closed regenerative thermodynamic cycle and consists of four processes of isothermal compression, constant volume heating, isothermal expansion and constant volume cooling. The traditional Stirling engine needs to convert the piston motion into the rotary motion through a crankshaft connecting rod, the mechanical connection is canceled by the design of the free piston, the free piston is completely and naturally driven by thermodynamic and dynamic balance, the power piston and the gas distribution piston of the free piston Stirling device carry out resonance motion according to the design phase, mechanical abrasion such as mechanical connecting rod or crankshaft constraint is not needed, and the service life of higher reliability is realized.
The cooler device of the free piston Stirling device is one of core components of the thermodynamic cycle of the free piston Stirling device and is responsible for rapidly absorbing heat released when working media are compressed in an isothermal compression stage of the Stirling cycle, and the temperature of a low-temperature end is kept constant. The heat transfer capability of the cooler directly affects the thermodynamic efficiency of the free piston Stirling device, the motion dynamics of the free piston is sensitive to the cooling rate, and uneven cooling can lead to loss of phase or amplitude of the piston.
Therefore, there is a need to design a cooler device and free piston Stirling device to address the above-mentioned issues.
Disclosure of Invention
In view of the above technical problems, an object of the present invention is to provide a cooler device and a free piston stirling apparatus, which effectively increase the heat dissipation capacity of a cooler and can make the temperature of the cooler more uniform.
In order to achieve the above object, the present invention provides a cooler device comprising an annular column cooler;
The columnar cooler comprises a first cooler component and a second cooler component which are connected in an adapting way, wherein the first cooler component is provided with a plurality of first grooves which are arranged at intervals along the circumferential direction, the second cooler component is provided with a plurality of second grooves which are arranged at intervals along the circumferential direction, the first grooves and the second grooves are positioned in the side wall of the columnar cooler, and each first groove is connected with the corresponding second groove in an adapting way to form a coolant channel;
The side wall of the columnar cooler is internally provided with inlet diversity runners and outlet diversity runners which are arranged at intervals, and the inlet diversity runners and the outlet diversity runners are respectively communicated with each coolant channel;
The inner side of the columnar cooler is provided with a plurality of first radiating fins which are arranged at intervals, and the outer side of the columnar cooler is provided with a plurality of second radiating fins which are arranged at intervals.
In some embodiments, the column cooler is a cylindrical structure, and the inlet and outlet diversity flow paths are located on opposite sides of the column cooler.
In some embodiments, the inlet diversity flow channel is in a conical structure, the axial direction of the inlet diversity flow channel is parallel to the axial direction of the columnar cooler, and the top of the inlet diversity flow channel is communicated with the outside;
And/or the outlet diversity flow passage is of a conical structure, the axial direction of the outlet diversity flow passage is parallel to the axial direction of the columnar cooler, and the top of the outlet diversity flow passage is communicated with the outside.
In some embodiments, the cylindrical cooler is divided by a circle into the first cooler component and the second cooler component, and the coolant channel is divided into the first groove and the second groove, such that the first cooler component and the second cooler component form an annular cylindrical structure, an outer diameter of the first cooler component is equal to an inner diameter of the second cooler component, the first groove is located outside of the first cooler component, and the second groove is located inside of the second cooler component.
In some embodiments, the inlet manifold is divided by a circle into a first inlet arcuate slot on an outer wall of the first cooler assembly and a second inlet arcuate slot on an inner wall of the second cooler assembly;
The outlet diversity flow passage is divided into a first outlet arc-shaped groove and a second outlet arc-shaped groove by a circle, the first outlet arc-shaped groove is positioned on the outer wall of the first cooler assembly, and the second outlet arc-shaped groove is positioned on the inner wall of the second cooler assembly.
In some embodiments, the first heat radiating fin is disposed on an inner wall of the first cooler assembly and extends in an axial direction of the first cooler assembly;
And/or the second radiating fin is arranged on the outer wall of the second cooler assembly and extends along the axial direction of the second cooler assembly.
In some embodiments, the cylindrical cooler is divided into the first cooler component and the second cooler component by two spirals such that the first cooler component and the second cooler component form a spiral cylindrical structure;
Each spiral line is provided with an inlet diversity flow passage and an outlet diversity flow passage respectively, the spiral lines divide the coolant channel into a first groove and a second groove, the first groove is positioned at the inner side and the outer side of the first cooler assembly to form a first spiral groove and a second spiral groove, and the second groove is positioned at the inner side and the outer side of the second cooler assembly to form a third spiral groove and a fourth spiral groove.
In some embodiments, a plurality of the first heat radiating fins are disposed on the inner wall of the first cooler assembly and extend in the axial direction of the first cooler assembly, and a plurality of the first heat radiating fins are disposed on the inner wall of the second cooler assembly and extend in the axial direction of the second cooler assembly;
And/or, a plurality of second radiating fins are arranged on the outer wall of the first cooler assembly and extend along the axial direction of the first cooler assembly, and a plurality of second radiating fins are arranged on the outer wall of the second cooler assembly and extend along the axial direction of the second cooler assembly.
In some embodiments, the cylindrical cooler is divided by at least three spiral lines, each spiral line is respectively provided with the inlet diversity flow passage and the outlet diversity flow passage, and the inlet diversity flow passage and the outlet diversity flow passage on each spiral line are respectively positioned on two opposite sides of the cylindrical cooler.
According to another aspect of the invention there is further provided a free piston Stirling device including a cooler arrangement as claimed in any one of the preceding claims.
Compared with the prior art, the cooler device and the free piston Stirling device provided by the invention have at least one of the following beneficial effects:
The annular columnar cooler structure is formed by precisely matching the first cooler component and the second cooler component which are arranged in a split mode, the design is convenient to process and manufacture, accurate forming of coolant channels can be guaranteed, a foundation is laid for efficient heat exchange, a coolant channel network formed by circumferentially uniformly distributed groove combinations is matched with the optimized layout of inlet diversity flow channels and outlet diversity flow channels, efficient distribution and uniform flow of coolant are achieved, the problem of local overheating existing in a traditional cooler is effectively solved, circumferential temperature distribution is more uniform, a three-dimensional heat dissipation system is formed by the two-way heat dissipation fin structures (the inner side first heat dissipation fins and the outer side second heat dissipation fins), heat exchange area is greatly increased, and heat dissipation efficiency is improved.
The split type cooling device can adopt different separation modes, such as a circle, a spiral line and the like, wherein the spiral column structure is divided into the cooling agent channels through the spiral line, so that the flow path of cooling agent is further prolonged, the heat exchange effect is enhanced, more complex cooling agent flow modes can be realized through the design of multiple spiral lines (three or more), the heat dissipation requirement of higher power equipment is met, and different structural variants can be flexibly selected according to specific application scenes, and good engineering applicability is shown.
Drawings
The above features, technical features, advantages and implementation manners of the present invention will be further described in the following description of alternative embodiments in a clear and easily understood manner with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of an alternative embodiment cooler arrangement of the present invention;
FIG. 2 is a schematic view of a first cooler assembly of an alternative embodiment of the present invention;
FIG. 3 is a schematic structural view of a second cooler assembly according to an alternative embodiment of the present invention;
FIG. 4 is a schematic view of the structure of a cooler device according to another alternative embodiment of the present invention;
FIG. 5 is a schematic view of the structure of a first cooler assembly according to another alternative embodiment of the present invention;
Fig. 6 is a schematic structural view of a second cooler assembly according to another alternative embodiment of the present invention.
Reference numerals illustrate:
The cooling device comprises a first cooler assembly 1, a second cooler assembly 2, a coolant channel 3, a first groove 31, a first spiral groove 311, a second spiral groove 312, a second groove 32, a third spiral groove 321, a fourth spiral groove 322, an inlet diversity flow channel 4, a first inlet arc-shaped groove 41, a second inlet arc-shaped groove 42, an outlet diversity flow channel 5, a first outlet arc-shaped groove 51, a second outlet arc-shaped groove 52, a first radiating fin 6, a second radiating fin 7, a circle 8 and a spiral line 9.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will explain the specific embodiments of the present invention with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the invention, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.
For simplicity of the drawing, only the parts relevant to the invention are schematically shown in each drawing, and they do not represent the actual structure thereof as a product. Additionally, in order to simplify the drawing for ease of understanding, components having the same structure or function in some of the drawings are shown schematically with only one of them, or only one of them is labeled. Herein, "a" means not only "only this one" but also "more than one" case.
It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
In this context, unless explicitly stated or limited otherwise, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may, for example, be fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or communicate between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In addition, in the description of the present application, the terms "first," "second," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.
In one embodiment, referring to fig. 1 to 3 of the drawings, the cooler device comprises an annular cylindrical cooler, wherein the cylindrical cooler comprises a first cooler component 1 and a second cooler component 2 which are connected in an adapting mode, the first cooler component 1 is circumferentially provided with a plurality of first grooves 31 which are arranged at intervals, the second cooler component 2 is circumferentially provided with a plurality of second grooves 32 which are arranged at intervals, the first grooves 31 and the second grooves 32 are positioned in the inner side of the side wall of the cylindrical cooler, each first groove 31 is matched with the corresponding second groove 32 to form a coolant channel 3, the inner side of the side wall of the cylindrical cooler is provided with an inlet diversity flow channel 4 and an outlet diversity flow channel 5 which are arranged at intervals, the inlet diversity flow channel 4 and the outlet diversity flow channel 5 are respectively communicated with each coolant channel 3, the inner side of the cylindrical cooler is provided with a plurality of first heat dissipation fins 6 which are arranged at intervals, and the outer side of the cylindrical cooler is provided with a plurality of second heat dissipation fins 7 which are arranged at intervals.
Further, the cylindrical cooler has a cylindrical structure, and the inlet diversity flow passage 4 and the outlet diversity flow passage 5 are positioned on opposite sides of the cylindrical cooler, namely, 0 ° and 180 ° in the circumferential direction, and can be arranged at other positions. The inlet diversity flow passage 4 is of a conical structure, the axial direction of the inlet diversity flow passage 4 is parallel to the axial direction of the columnar cooler, the top of the inlet diversity flow passage 4 is communicated with the outside, the outlet diversity flow passage 5 is of a conical structure, the axial direction of the outlet diversity flow passage 5 is parallel to the axial direction of the columnar cooler, and the top of the outlet diversity flow passage 5 is communicated with the outside.
In the embodiment, the annular columnar cooler structure is formed by precisely matching the first cooler component 1 and the second cooler component 2 which are arranged in a split manner, the design is convenient for processing and manufacturing, the accurate forming of the coolant channels 3 can be ensured, a foundation is laid for efficient heat exchange, the efficient distribution and uniform flow of the coolant are realized by matching the optimized layout of the inlet diversity flow channels 4 and the outlet diversity flow channels 5 through the coolant channel network formed by the circumferentially uniformly distributed groove combination, the problem of local overheating of the traditional cooler is effectively solved by the structure, the circumferential temperature distribution is more uniform, a three-dimensional heat dissipation system is formed by the bidirectional heat dissipation fin structure (the first heat dissipation fins 6 on the inner side and the second heat dissipation fins 7 on the outer side), the heat exchange area is greatly increased, and the heat dissipation efficiency is improved.
In one embodiment, referring to fig. 1 to 3 of the drawings, the cylindrical cooler is divided into a first cooler component 1 and a second cooler component 2 by a circle 8, and the coolant channel 3 is divided into a first groove 31 and a second groove 32, so that the first cooler component 1 and the second cooler component 2 form an annular cylindrical structure, the outer diameter of the first cooler component 1 is equal to the inner diameter of the second cooler component 2, the first groove 31 is located at the outer side of the first cooler component 1, and the second groove 32 is located at the inner side of the second cooler component 2.
The inlet manifold 4 is divided by a circle 8 into a first inlet arcuate slot 41 and a second inlet arcuate slot 42, the first inlet arcuate slot 41 being located on the outer wall of the first cooler package 1 and the second inlet arcuate slot 42 being located on the inner wall of the second cooler package 2. The outlet diversity flow path 5 is divided by the circle 8 into a first outlet arcuate slot 51 and a second outlet arcuate slot 52, the first outlet arcuate slot 51 being located on the outer wall of the first cooler package 1 and the second outlet arcuate slot 52 being located on the inner wall of the second cooler package 2. The first heat radiation fins 6 are provided on the inner wall of the first cooler block1 and extend in the axial direction of the first cooler block1, and the second heat radiation fins 7 are provided on the outer wall of the second cooler block2 and extend in the axial direction of the second cooler block 2.
In this embodiment, the first cooler component 1 and the second cooler component 2 are generally manufactured from a material with high thermal conductivity, such as red copper, etc., and the first cooler component 1 and the second cooler component 2 are combined together by brazing to form an annular cylindrical cooler. A plurality of first grooves 31 are formed in the circumferential direction on the outer surface of the first cooler block 1, a plurality of second grooves 32 are formed in the circumferential direction on the inner surface of the second cooler block 2, and a single circle of coolant flow passages 3 are formed at the center of the column cooler.
Conical diversity flow paths exist in the 0 deg. and 180 deg. directions of the first and second cooler packages 1,2, respectively, and are combined to form a conical inlet diversity flow path 4 and a conical outlet diversity flow path 5. The inlet diversity flow passages 4 are perpendicular to the mutually independent coolant flow passages in the circumferential direction, so that the communication between the mutually independent coolant flow passages in the circumferential direction is realized. The coolant enters the first groove 31 and the second groove 32 (i.e., the coolant passage 3) from the inlet diversity flow path 4, is divided into two parts on the left and right, flows through the left and right parts of the annular cylindrical cooler, and flows out of the cooler device while running 180 ° in the circumferential direction in the coolant flow path 3 where the outlet diversity flow paths 5 are tapered at 180 ° opposite.
A plurality of micro grooves perpendicular to the cylindrical cooler are formed in the inner cylindrical surface of the first cooler component 1, and a plurality of first radiating fins 6 are formed for the working medium of the free piston Stirling device to flow and exchange heat with the coolant in the circumferential direction. The outer cylindrical surface of the second cooler component 2 is provided with a plurality of micro grooves perpendicular to the cylindrical cooler, and a plurality of first radiating fins 6 are formed for the working medium of the free piston Stirling device to flow and exchange heat with the coolant in the circumferential direction. Therefore, the working medium of the free piston Stirling device flows back and forth perpendicular to the columnar cooler, heat carried by the working medium is carried out through the coolant in the circumferential direction, and cooling of the working medium is achieved.
In one embodiment, referring to fig. 4 to 6 of the drawings, the cylindrical cooler is divided into a first cooler package 1 and a second cooler package 2 by two spiral lines 9, such that the first cooler package 1 and the second cooler package 2 form a spiral cylindrical structure, each spiral line 9 is provided with an inlet diversity flow channel 4 and an outlet diversity flow channel 5, the spiral lines 9 divide the coolant channel 3 into a first groove 31 and a second groove 32, the first groove 31 is located at the inner and outer sides of the first cooler package 1 to form a first spiral groove 311 and a second spiral groove 312, and the second groove 32 is located at the inner and outer sides of the second cooler package 2 to form a third spiral groove 321 and a fourth spiral groove 322.
The plurality of first radiating fins 6 are arranged on the inner wall of the first cooler assembly 1 and extend along the axial direction of the first cooler assembly 1, the plurality of first radiating fins 1 are arranged on the inner wall of the second cooler assembly 2 and extend along the axial direction of the second cooler assembly 2, the plurality of second radiating fins 7 are arranged on the outer wall of the first cooler assembly 1 and extend along the axial direction of the first cooler assembly 1, and the plurality of second radiating fins 7 are arranged on the outer wall of the second cooler assembly 2 and extend along the axial direction of the second cooler assembly 2.
In this embodiment, the interface between the first cooler component 1 and the second cooler component 2 is divided by two spiral lines, and the two spiral lines are archimedes spiral lines, which are combined together by brazing. A plurality of grooves in the circumferential direction are formed on the inner and outer surfaces of the first cooler block 1 in the directions of the two spiral lines, tapered coolant inlet and outlet diversity flow passages perpendicular to the grooves in the circumferential direction are formed at the end positions of the two spiral lines, and a plurality of axial passages perpendicular to the first cooler block 1 are formed at other positions to form the first heat radiating fins 1. The second cooler package 2 is identical in construction to the first cooler package 1 and is centrally symmetrical. The first cooler component 1 and the second cooler component 2 are brazed to form an annular cylindrical cooler, and the separation between the coolant flow channel and the working medium flow channel is realized through brazing.
The cylindrical cooler formed by the first cooler component 1 and the second cooler component 2 respectively forms two conical coolant inlet and outlet diversity flow passages at the positions of 0 DEG and 180 DEG, the coolant enters the cylindrical cooler at the inlet diversity flow passage 4 at the position of 0 DEG, flows along the coolant flow passage 3 in the circumferential direction of one spiral line, flows around the cylindrical cooler for one circle, and flows out at the outlet diversity flow passage 5 at the position of 0 deg. Similarly, the coolant enters the cylindrical cooler at the inlet diversity flow channel 4 at the position of 180 degrees, flows along the coolant flow channel 3 in the circumferential direction of the other spiral line, flows around the cylindrical cooler for one circle, flows out of the outlet diversity flow channel 5 at the position of 180 degrees, and exchanges heat with the adjacent radiating fins.
According to the device, the two coolant loops are adopted to cool working medium of the free piston Stirling device, so that larger cold energy can be taken away, the two coolant loops all run for a circle, and a 180-degree winding running mode exists, so that the cooler temperature is more uniform.
In one embodiment, the cylindrical cooler is divided by at least three spiral lines 9, the cylindrical cooler is divided into three or more cooler components, an inlet diversity flow channel 4 and an outlet diversity flow channel 5 are respectively arranged on each spiral line 9, and the inlet diversity flow channel 4 and the outlet diversity flow channel 5 on each spiral line 9 are respectively positioned on two opposite sides of the cylindrical cooler. Through dispersing the design of the two spiral line separation modes, for example, 3, 4 or more spiral lines are adopted to divide the cooler device, so that the working medium of the free piston Stirling device is cooled by the corresponding number of coolant flow channels, the heat dissipation capacity of the cooler can be increased, and the cooler temperature can be more uniform.
In the embodiment, different separation modes such as a circle and a spiral line can be adopted for split arrangement, wherein the spiral column structure is divided into coolant channels by the spiral line, so that the flow path of the coolant is further prolonged, the heat exchange effect is enhanced, more complex coolant flow modes can be realized by multi-spiral line design (three or more), the heat dissipation requirement of higher power equipment is met, and different structural variants can be flexibly selected according to specific application scenes, and good engineering applicability is shown.
According to another aspect of the invention there is further provided a free piston Stirling device including a cooler arrangement as claimed in any one of the preceding claims.
In the foregoing embodiments, the descriptions of the embodiments are focused on, and the parts of a certain embodiment that are not described or depicted in detail may be referred to in the related descriptions of other embodiments.
It should be noted that the above embodiments can be freely combined as needed. The foregoing is merely an alternative embodiment of the invention, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the principles of the invention, and these modifications and variations should also be considered as being within the scope of the invention.
Claims (10)
1.A cooler device is characterized by comprising an annular columnar cooler;
The columnar cooler comprises a first cooler component and a second cooler component which are connected in an adapting way, wherein the first cooler component is provided with a plurality of first grooves which are arranged at intervals along the circumferential direction, the second cooler component is provided with a plurality of second grooves which are arranged at intervals along the circumferential direction, the first grooves and the second grooves are positioned in the side wall of the columnar cooler, and each first groove is connected with the corresponding second groove in an adapting way to form a coolant channel;
The side wall of the columnar cooler is internally provided with inlet diversity runners and outlet diversity runners which are arranged at intervals, and the inlet diversity runners and the outlet diversity runners are respectively communicated with each coolant channel;
The inner side of the columnar cooler is provided with a plurality of first radiating fins which are arranged at intervals, and the outer side of the columnar cooler is provided with a plurality of second radiating fins which are arranged at intervals.
2. The cooler device according to claim 1, wherein,
The columnar cooler is of a columnar structure, and the inlet diversity flow passage and the outlet diversity flow passage are positioned on two opposite sides of the columnar cooler.
3. A cooler arrangement according to claim 2, characterized in that,
The inlet diversity flow passage is of a conical structure, the axial direction of the inlet diversity flow passage is parallel to the axial direction of the columnar cooler, and the top of the inlet diversity flow passage is communicated with the outside;
And/or the outlet diversity flow passage is of a conical structure, the axial direction of the outlet diversity flow passage is parallel to the axial direction of the columnar cooler, and the top of the outlet diversity flow passage is communicated with the outside.
4. A cooler device according to any one of claims 1-3, characterized in that,
The cylindrical cooler is divided into a first cooler component and a second cooler component by a circle, the coolant channel is divided into a first groove and a second groove, the first cooler component and the second cooler component form an annular cylindrical structure, the outer diameter of the first cooler component is equal to the inner diameter of the second cooler component, the first groove is positioned on the outer side of the first cooler component, and the second groove is positioned on the inner side of the second cooler component.
5. The cooler assembly of claim 4, wherein,
The inlet diversity flow passage is divided into a first inlet arc-shaped groove and a second inlet arc-shaped groove by a circle, the first inlet arc-shaped groove is positioned on the outer wall of the first cooler assembly, and the second inlet arc-shaped groove is positioned on the inner wall of the second cooler assembly;
The outlet diversity flow passage is divided into a first outlet arc-shaped groove and a second outlet arc-shaped groove by a circle, the first outlet arc-shaped groove is positioned on the outer wall of the first cooler assembly, and the second outlet arc-shaped groove is positioned on the inner wall of the second cooler assembly.
6. The cooler assembly of claim 4, wherein,
The first radiating fins are arranged on the inner wall of the first cooler assembly and extend along the axial direction of the first cooler assembly;
And/or the second radiating fin is arranged on the outer wall of the second cooler assembly and extends along the axial direction of the second cooler assembly.
7. A cooler device according to any one of claims 1-3, characterized in that,
The cylindrical cooler is divided into the first cooler component and the second cooler component by two spiral lines, so that the first cooler component and the second cooler component form a spiral cylindrical structure;
Each spiral line is provided with an inlet diversity flow passage and an outlet diversity flow passage respectively, the spiral lines divide the coolant channel into a first groove and a second groove, the first groove is positioned at the inner side and the outer side of the first cooler assembly to form a first spiral groove and a second spiral groove, and the second groove is positioned at the inner side and the outer side of the second cooler assembly to form a third spiral groove and a fourth spiral groove.
8. The cooler assembly of claim 7, wherein,
The plurality of first radiating fins are arranged on the inner wall of the first cooler assembly and extend along the axial direction of the first cooler assembly, and the plurality of first radiating fins are arranged on the inner wall of the second cooler assembly and extend along the axial direction of the second cooler assembly;
And/or, a plurality of second radiating fins are arranged on the outer wall of the first cooler assembly and extend along the axial direction of the first cooler assembly, and a plurality of second radiating fins are arranged on the outer wall of the second cooler assembly and extend along the axial direction of the second cooler assembly.
9. A cooler device according to any one of claims 1-3, characterized in that,
The cylindrical cooler is formed by dividing at least three spiral lines, the inlet diversity flow passage and the outlet diversity flow passage are respectively arranged on each spiral line, and the inlet diversity flow passage and the outlet diversity flow passage on each spiral line are respectively positioned on two opposite sides of the cylindrical cooler.
10. A free piston stirling device comprising a cooler assembly according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510869452.1A CN120592763A (en) | 2025-06-26 | 2025-06-26 | A cooler device and a free piston Stirling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510869452.1A CN120592763A (en) | 2025-06-26 | 2025-06-26 | A cooler device and a free piston Stirling device |
Publications (1)
| Publication Number | Publication Date |
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| CN120592763A true CN120592763A (en) | 2025-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202510869452.1A Pending CN120592763A (en) | 2025-06-26 | 2025-06-26 | A cooler device and a free piston Stirling device |
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| Country | Link |
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| CN (1) | CN120592763A (en) |
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- 2025-06-26 CN CN202510869452.1A patent/CN120592763A/en active Pending
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