Easy-to-assemble solid-state elastocaloric heat regeneration device, and refrigeration and heating device

Abstract

The present application provides an easy-to-assemble solid-state elastocaloric heat regeneration device, and a refrigeration and heating device. The heat regeneration device comprises a sleeve, a plurality of solid-state elastocaloric material plates stacked in the sleeve, and a press head for applying stress to the solid-state elastocaloric material plates; the sleeve is composed of a plurality of components, and is used for inspecting or loading and unloading the plurality of solid-state elastocaloric material plates when unfolded; the solid-state elastocaloric material plates are stacked to form a flow cavity; and a heat conduction medium exchanges heat with the solid-state elastocaloric material plates by means of the flow cavity when heat or cold generates, and flows into a heat exchanger through a liquid passing hole in the press head for heat exchange. In the present application, a sleeve is designed to be a plurality of detachable components or foldable components; during assembly, a plurality of solid-state elastocaloric material plates can be conveniently placed into the sleeve, so that alignment is facilitated; and during loading and unloading, even if a failure occurs in a certain solid-state elastocaloric material plate, the solid-state elastocaloric material plate can be conveniently opened and inspected, so that the assembly efficiency is improved, and the failure handling efficiency is improved.

Description

A regenerative device and a cooling / heating device for an easily assembled solid-state cartridge.

[0001] This application claims priority to Chinese Patent Application No. CN202510073991.4, filed January 17, 2025, entitled "A Regenerative Device for an Easily Assembled Solid Spring Card," and Chinese Patent Application No. CN202520109032.9, filed January 17, 2025, entitled "A Regenerative Device and Cooling / Heating Device for an Easily Assembled Solid Spring Card." The disclosure of the earlier applications is incorporated herein by reference in its entirety. Technical Field

[0002] This application belongs to the field of refrigeration and heating technology, and particularly relates to a regenerative device and a refrigeration and heating device for an easily assembled solid spring-loaded device. Background Technology

[0003] Solid-state spring-loaded cooling and heating technology is an emerging green and environmentally friendly cooling and heating technology. It uses solid-state spring-loaded materials to cause phase change or reverse phase change to generate heat or cold, thereby achieving cooling or heating.

[0004] In refrigeration and heating devices based on this principle, excessive loading and unloading cycles can cause cracks in the solid spring-loaded material, leading to the failure of the entire material, reduced lifespan, and increased susceptibility to buckling deformation. Therefore, to address this issue, the solid spring-loaded material is fabricated as a plate. However, in practical applications, the large number of plate-shaped solid spring-loaded materials not only complicates assembly but also increases the likelihood of alignment errors, affecting the driver's loading. Furthermore, it makes inspection difficult when malfunctions occur during operation. Technical issues

[0005] The purpose of this application is to provide a regeneration device and a cooling / heating device for an easily assembled solid-state cartridge, aiming to solve the technical problems in the prior art where the assembly of plate-shaped solid-state cartridge materials is complicated, prone to alignment errors, affects the loading of the driver, and is inconvenient for inspection. Technical solutions

[0006] This application provides a regenerating device for an easily assembled solid-state cartridge, comprising: a sleeve, a plurality of solid-state cartridge material plates stacked within the sleeve, and a pressure head for applying stress to the solid-state cartridge material plates. The sleeve is composed of multiple components and is used to inspect or load / unload the plurality of solid-state cartridge material plates when unfolded. Each of the stacked solid-state cartridge material plates has a flow cavity, through which a heat-conducting medium exchanges heat with the solid-state cartridge material plates when generating heat or cold, and flows into a heat exchanger through a liquid passage in the pressure head for heat exchange.

[0007] Furthermore, the sleeve includes a base and a cover, and the base and the cover are fastened together to form a cavity inside, in which the plurality of solid spring clip material plates are placed.

[0008] Furthermore, the solid spring clip material plate has a groove on its edge; the base and / or the cover has a protrusion along the axial direction, and the protrusion is engaged in the groove on the edge of the solid spring clip material plate.

[0009] Furthermore, the sleeve also includes a sealing ring, which is disposed at the connection between the base and the cover.

[0010] Furthermore, the solid spring-loaded material plate includes perforations and is stacked to form the flow cavity; the pressure head includes an inlet and an outlet, the inlet and the outlet being connected to the perforations through the liquid passage.

[0011] Furthermore, the pressure head also includes: a first pressure head extending into the cavity and a second pressure head connected to the first pressure head, wherein the first pressure head has a plurality of through holes and communicates with the through holes on the solid spring plate to form a first liquid passage hole.

[0012] Furthermore, the liquid inlet and the liquid outlet are disposed on the second pressure head and communicate with the second liquid passage hole disposed on the second pressure head. The second liquid passage hole is funnel-shaped and is used to collect the outflowing heat-conducting medium.

[0013] Furthermore, the sealing ring is made of Teflon, POM, nylon, polyester, or silicone; the perforation is polygonal, radial, spiral, or circular; and the thickness of the solid spring clip material plate is 0.01-100mm, preferably 0.1-10mm.

[0014] Furthermore, the first pressure head is made of ceramic, tungsten carbide, or stainless steel.

[0015] Furthermore, the regenerative device also includes a plug, which includes a first plug and a second plug. The first plug extends into the cavity and has a flow channel communicating with the flow cavity. The second plug is provided with a third liquid passage hole communicating with the flow channel, a plug inlet communicating with the third liquid passage hole, and a plug outlet communicating with the third liquid passage hole.

[0016] This application also provides a cooling and heating device, comprising: a driving device, a heat exchange device, and a regenerating device as described in any of the preceding claims; the driving device comprises: a power element and a piston mechanism, the power element driving the piston mechanism to compress the pressure head, causing the solid spring plate to undergo a phase change and generate heat, and unloading the compression causing the solid spring plate to undergo a reverse phase change and generate cold; the heat exchange device is connected to the regenerating device through a pipeline to exchange heat with a heat-conducting medium that absorbs heat or cold. Beneficial effects

[0017] The regeneration device and cooling / heating device of the easily assembled solid spring clip provided in this application have at least the following technical effects: the sleeve is designed as multiple detachable or foldable parts, which allows multiple solid spring clip material plates to be conveniently placed in during assembly. This not only facilitates alignment, but also makes it easy to open and inspect even if a problem occurs with a solid spring clip material plate during loading and unloading. Thus, it not only improves assembly efficiency, but also improves troubleshooting efficiency. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 is a perspective structural diagram of a regenerator provided in an embodiment of this application;

[0020] Figure 2 is a cross-sectional schematic diagram of a regenerator provided in an embodiment of this application;

[0021] Figure 3 is a cross-sectional schematic diagram of the pressure head provided in an embodiment of this application;

[0022] Figure 4 is a three-dimensional structural diagram of the first pressure head provided in an embodiment of this application;

[0023] Figure 5 is a cross-sectional schematic diagram of a plug provided in an embodiment of this application. Embodiments of the present invention

[0024] To make the technical problems, technical solutions, and beneficial effects to be solved by this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of this application.

[0025] As shown in Figures 1-5, an embodiment of this application provides a regenerative device including: a sleeve 1, a solid spring-loaded material plate 2, a pressure head 3, and a plug 4. The pressure head 3 includes a first pressure head 31 and a second pressure head 32. The first pressure head 31 is provided with a first liquid passage hole 311, and the second pressure head 32 is provided with a second liquid passage hole 321, a liquid inlet 322, and a liquid outlet 323. The plug 4 includes a first plug 41 and a second plug 42. The second plug 42 is provided with a third liquid passage hole 43, a plug inlet 44, and a plug outlet 45.

[0026] For example, as shown in Figures 1 to 5, this application provides a regenerative device, including: a sleeve 1, a plurality of solid spring clip material plates 2 stacked inside the sleeve 1, and a pressure head 3 for applying stress to the solid spring clip material plates 2. The sleeve 1 is composed of multiple components and is used to inspect or load / unload the plurality of solid spring clip material plates 2 when unfolded. Each solid spring clip material plate 2 has a flow cavity after being stacked. The heat-conducting medium exchanges heat with the solid spring clip material plate 2 through the flow cavity when generating heat or cold, and flows into the heat exchanger through the liquid passage in the pressure head 3 for heat exchange.

[0027] Among them, multiple components of the sleeve 1 can be folded and unfolded or the multiple components can be detached. In this way, when assembling the solid spring clip material plate 2, it can be ensured that each solid spring clip material plate 2 is aligned and the through holes on different solid spring clip material plates 2 are aligned. This can ensure that each solid spring clip material plate 2 is subjected to force evenly during loading and avoid blockage when the heat transfer medium flows, thereby improving the heat transfer efficiency.

[0028] In one embodiment, for ease of assembly, the sleeve 1 can be configured as two parts: a base 11 and a cover 12. When the base 11 and cover 12 are fastened together, an internal cavity is formed, in which multiple solid spring-loaded material plates 2 are placed. The size of the base 11 and cover 12 is not limited. In practical applications, due to the relatively large force applied to the solid spring-loaded material plates 2, typically 1000-100000N, the sleeve 1 is usually made of stainless steel with a thickness (from the inner wall of the cavity to the outer wall of the sleeve) of 1-30cm. It can be secured using pins, screws, etc. Simultaneously, to prevent leakage of the heat-conducting medium, a sealing ring is provided at the connection between the base 11 and cover 12. Specifically, the sealing ring is made of Teflon, POM (polyformaldehyde), nylon, polyester, or silicone. Of course, in other embodiments, the sleeve 1 can also be configured as three, four, or even more components.

[0029] In this embodiment, the solid spring clip material is configured as a plate. Since each plate is independently stressed, even if some solid spring clip materials crack during loading and unloading, only the plate containing the crack will fail; the crack will not spread to other plates. That is, the entire solid spring clip material will not fail, affecting overall operation and thus improving its service life. Furthermore, the plate-shaped solid spring clip material, when stacked, significantly reduces the damaging effect of loading forces on the material itself during loading, preventing buckling deformation.

[0030] In one embodiment, to further prevent misalignment of the solid spring clip material plate 2, a protrusion 13 is provided on the base 11 and / or the cover 12 along the axial direction, i.e., the direction of the axis, and a groove 21 is provided on the edge of the solid spring clip material plate 2. During assembly, the protrusion 13 is inserted into the groove 21 on the edge of the solid spring clip material plate 2. The shapes of the protrusion 13 and the groove 21 are not limited. To expand the cross-sectional area of ​​the flow cavity, the convex surface of the protrusion 13 and the concave surface of the groove 21 can be engaged, i.e., a gap is formed between the sides of the protrusion 13 and the groove 21, and a gap is formed between the inner wall of the sleeve 1 (excluding the protrusion 13) and the edge of the solid spring clip material plate 2 (excluding the groove 21), thereby obtaining a flow cavity for the heat-conducting medium to pass through. This expands the cross-sectional area of ​​the flow cavity, thereby increasing the thermal conductivity of the heat-conducting medium.

[0031] In one embodiment, perforations 22 can be provided on the surface of the solid spring-loaded material plate 2. These perforations 22 can form a flow cavity after being stacked. Alternatively, grooves 21 (e.g., serrated) can be provided on the edge of the solid spring-loaded material plate 2. After stacking, the grooves 21 and the inside of the sleeve 1 form a gap, thereby obtaining a flow cavity for the flow of the heat-conducting medium. The shape of the perforations 22 is not limited and can be a regular or irregular shape such as polygons, radial shapes, spiral shapes, or circles. Polygons can specifically be triangles, squares, rectangles, pentagons, etc. The thickness of the solid spring-loaded material plate 2 is 0.01-100mm, specifically 0.01mm, 50.005mm, 100mm, etc., preferably 0.1-10mm, specifically 0.1mm, 5.05mm, 10mm, etc.

[0032] In this embodiment, the pressure head 3 includes a liquid passage hole, a liquid inlet 322, and a liquid outlet 323. The liquid inlet 322 and the liquid outlet 323 are connected to the perforation 22 through the liquid passage hole. In a preferred embodiment, the pressure head 3 further includes a first pressure head 31 extending into the cavity and a second pressure head 32 connected to the first pressure head 31. The first pressure head 31 has multiple through holes and communicates with through holes on the solid spring plate 2 to form a first liquid passage hole 311. The liquid inlet 322 and the liquid outlet 323 are disposed on the second pressure head 32 and communicate with the second liquid passage hole 321 disposed on the second pressure head 32. The second liquid passage hole 321 is funnel-shaped and is used to collect the outflowing heat-conducting medium. The first pressure head 31 is made of ceramic, tungsten carbide, or stainless steel. That is, the liquid passage hole of the pressure head 3 includes a first liquid passage hole 311 and a second liquid passage hole 312.

[0033] It should be noted that the cross-section of the funnel-shaped second liquid passage 321 and the pipe connected to the liquid inlet 322 and the liquid outlet 323 is larger than that of the first liquid passage 311 in the first pressure head 31. In this way, the heat-conducting medium can be quickly gathered, increasing the heat conduction speed of the heat-conducting medium.

[0034] In another embodiment, the regenerating device further includes a plug 4, wherein the plug 4 comprises a first plug 41 and a second plug 42, wherein the first plug 41 extends into the cavity and has a flow channel 46 communicating with the flow cavity of the solid elastic material plate 2, and the second plug 42 includes a third liquid passage 43, a plug inlet 44 communicating with the third liquid passage 43, and a plug outlet 45, the third liquid passage 43 communicating with the flow channel 46. The third liquid passage 43 at the connection between the second plug 42 and the first plug 41 is a funnel-shaped cavity. It is understood that the plug 4 and the pressure head 3 are located at opposite ends of the sleeve 1 in the axial direction.

[0035] In this embodiment, in order to fully load the solid spring plate 2, the cross-sectional shapes of the first pressure head 31 and the first plug 41 are the same as the cross-sectional shape of the solid spring plate 2.

[0036] It should be noted that during the heating process of the regenerating device, the solid spring-loaded material plate 2 is loaded, and the heat transfer medium enters the flow cavity of the solid spring-loaded material plate 2 through the liquid inlet of the pressure head 3 or the plug 4 to absorb heat. After loading is completed, it flows out through the liquid outlet of the plug 4 or the pressure head 3 to the heat exchanger for heat exchange. Alternatively, during the cooling process of the regenerating device, the solid spring-loaded material plate 2 is unloaded, and the heat transfer medium enters the flow cavity of the solid spring-loaded material plate 2 through the liquid inlet of the pressure head 3 or the plug 4 to absorb cold. After unloading is completed, it flows out through the liquid outlet of the plug 4 or the pressure head 3 to the heat exchanger for heat exchange.

[0037] In other words, the heat transfer medium can enter through the inlet of the pressure head 3 and flow out through the outlet of the plug 4, or the heat transfer medium can enter through the inlet of the plug 4 and flow out through the outlet of the pressure head 3.

[0038] This application also provides a cooling and heating device, including: a driving device, a heat exchange device, and a regenerating device as described in any of the above embodiments; the driving device includes: a power element and a piston mechanism, the power element drives the piston mechanism to compress the pressure head to cause a phase change in the solid spring plate to generate heat, and when unloading and compressing, it causes the solid spring plate to undergo a reverse phase change to generate cold; the heat exchange device is connected to the regenerating device through a pipeline to exchange heat through a heat-conducting medium that absorbs heat or cold.

[0039] The specific power component is not limited and can be: electric motor, hydraulic power component, pneumatic power component, etc.

[0040] The above content is only a preferred embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A reheating device for an easily assembled solid spring clip, characterized in that, include: A sleeve, multiple solid spring clip material plates stacked inside the sleeve, and a pressure head that applies stress to the solid spring clip material plates. The sleeve is composed of multiple components and is used to inspect or load / unload the multiple solid spring clip material plates when unfolded. Each of the solid spring card material plates, after being stacked, has a flow cavity. The heat-conducting medium exchanges heat with the solid spring card material plate through the flow cavity when heat or cold is generated, and flows into the heat exchanger through the liquid passage in the pressure head for heat exchange.

2. The regenerative device according to claim 1, characterized in that, The sleeve includes a base and a cover. When the base and the cover are fastened together, an internal cavity is formed, in which the plurality of solid spring clip material plates are placed.

3. The regenerative device according to claim 2, characterized in that, The solid spring clip material plate has a groove on its edge; The base and / or the cover are provided with a protrusion along the axial direction, and the protrusion is engaged in the groove at the edge of the solid spring clip material plate.

4. The regenerative device according to claim 2, characterized in that, The sleeve also includes a sealing ring, which is disposed at the connection between the base and the cover.

5. The regenerative device according to claim 4, characterized in that, The solid spring-loaded material plate includes perforations and is stacked to form the flow cavity; The pressure head includes an inlet and an outlet, which are connected to the perforation through the liquid passage.

6. The regenerative device according to claim 5, characterized in that, The pressure head further includes: a first pressure head extending into the cavity and a second pressure head connected to the first pressure head, wherein the first pressure head has multiple through holes and communicates with the through holes on the solid spring plate to form a first liquid passage hole.

7. The regenerative device according to claim 6, characterized in that, The liquid inlet and the liquid outlet are located on the second pressure head and are connected to the second liquid passage hole located on the second pressure head. The second liquid passage hole is funnel-shaped and is used to collect the outflowing heat-conducting medium.

8. The regenerative device according to claim 5, characterized in that, The sealing ring is made of Teflon, POM, nylon, polyester, or silicone; the perforation is polygonal, radial, spiral, or circular; and the thickness of the solid spring clip material plate is 0.01-100mm.

9. The regenerative device according to claim 6, characterized in that, The first pressure head is made of ceramic, tungsten carbide, or stainless steel.

10. The regenerative device according to claim 2, characterized in that, The regenerative device further includes a plug, which includes a first plug and a second plug. The first plug extends into the cavity and has a flow channel communicating with the flow cavity. The second plug is provided with a third liquid passage hole communicating with the flow channel, a plug inlet communicating with the third liquid passage hole, and a plug outlet communicating with the third liquid passage hole.

11. A refrigeration and heating device, characterized in that, include: The driving device, the heat exchange device, and the regenerative device as described in any one of claims 1 to 10; The driving device includes a power element and a piston mechanism. The power element drives the piston mechanism to compress the pressure head, causing the solid spring plate to undergo a phase change and generate heat when loading and unloading the compression, and causing the solid spring plate to undergo a reverse phase change and generate cold. The heat exchange device is connected to the regenerator through a pipeline, allowing the heat-conducting medium that absorbs heat or cold to exchange heat.

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