Phase change heat transfer device
By introducing heat-conducting and heat-releasing components into the phase change heat exchanger, the heat transfer path is optimized, solving the problem of high heat loss in existing phase change heat exchangers and realizing an efficient energy storage and release process, thus meeting the energy-saving needs of fluctuating electricity prices.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GUANGDONG LIZI TECH CO LTD
- Filing Date
- 2025-05-20
- Publication Date
- 2026-05-29
AI Technical Summary
Existing phase change heat exchangers have complex structures, resulting in significant heat loss and making it impossible to efficiently utilize the energy storage and release needs during periods of electricity price troughs and peaks.
Design a phase change heat transfer device, including a phase change energy storage component, a shell, a heat collector, a heat conductor, and a heat release component. The heat from the phase change energy storage component is transferred to the heat release component through the heat conductor, thereby reducing heat loss and improving heat transfer efficiency.
By optimizing the structure and reducing heat loss during conduction, efficient heat exchange of phase change energy storage devices is achieved, adapting to energy-saving needs during periods of low and high electricity prices.
Smart Images
Figure CN224302861U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of phase change heat transfer, specifically to a phase change heat transfer device. Background Technology
[0002] With the country's vigorous promotion of a green, low-carbon, and circular economy, coal-fired heating is gradually shifting to electric heating. Currently, electricity prices peak during the day and trough at night. To save electricity and reduce heating costs, more and more heaters are adopting heat storage heaters, which store heat energy during the night when electricity prices are low and release it during the day when electricity prices are high. However, current phase change heat exchangers have complex structures, resulting in significant heat loss. Utility Model Content
[0003] Therefore, this utility model provides a phase change heat exchange device. The phase change heat exchange device can improve the heat exchange efficiency of phase change energy storage devices.
[0004] This utility model provides the following technical solution: a phase change heat exchange device, comprising: a phase change energy storage component, a shell, a heat collector, a heat conductor, and a heat release component;
[0005] The heat collector is disposed inside the housing, and the heat collector has a heat collection section, which is provided with a phase change energy storage device; one end of the heat conductor is connected to the heat collector, and the other end of the heat conductor is connected to the heat release component; the heat release component is disposed outside the housing;
[0006] The heat collector is used to absorb the heat released by the phase change energy storage device and transfer it to the heat release component through the heat conductor.
[0007] Furthermore, the heat dissipation component includes: a driving component and a heat dissipation component;
[0008] The heat sink is connected to the heat conductor, and the heat sink has a recessed portion, with the driving component disposed within the recessed portion.
[0009] Furthermore, the heat dissipation assembly also includes: a housing;
[0010] Both the driving component and the heat dissipation component are disposed inside the housing. An air inlet and an air outlet are respectively provided on opposite sides of the housing. The driving component is used to drive airflow into the housing from the air inlet and blow it out from the air outlet.
[0011] Furthermore, the heat sink includes: a plurality of heat dissipation fins;
[0012] The plurality of heat dissipation fins are spaced apart along a first direction, and a flow channel is formed between two adjacent heat dissipation fins. The driving member is used to drive airflow to flow through the flow channel.
[0013] Furthermore, it also includes: support components;
[0014] The support assembly is disposed within the housing, and the support assembly is provided with multiple mounting portions, the mounting portions being used to install the phase change energy storage device.
[0015] Furthermore, the support assembly includes: a first support member and a second support member;
[0016] The first support members are spaced apart along a first direction, the second support members are arranged along a second direction, and the second support members are arranged perpendicular to the first support members;
[0017] The first support member and the second support member together form the mounting part, and the phase change energy storage device is disposed in the mounting part.
[0018] Furthermore, the phase change energy storage device is detachably mounted on the mounting portion.
[0019] Furthermore, the heat-conducting element extends from the inside of the housing to the outside of the housing.
[0020] Furthermore, the outer wall of the heat-conducting component is covered with an insulation layer.
[0021] Furthermore, both the outer walls of the shell and the box are provided with a heat insulation layer.
[0022] The aforementioned phase change heat exchanger has a heat collector installed in the casing, and a phase change energy storage device is installed on the heat collector. After the phase change energy storage device releases heat, the heat is absorbed by the heat collector. The heat absorbed by the heat collector is conducted to the heat release component through a heat conductor. Then the heat release component releases the heat, thus releasing the heat stored in the phase change energy storage device. In this solution, heat conduction is carried out only through the heat conductor, which reduces heat loss during conduction and improves the efficiency of heat transfer. Attached Figure Description
[0023] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.
[0024] Figure 1 A schematic diagram of the overall structure of the phase change heat exchanger provided in this embodiment of the utility model;
[0025] Figure 2 This is a schematic diagram of the structure of the heat-dissipating component provided in an embodiment of the present utility model;
[0026] Figure 3 This is one of the structural schematic diagrams of the phase change heat exchange device provided in the embodiments of this utility model;
[0027] Figure 4 This is a schematic diagram of the structure of the heat exchange component provided in an embodiment of the present utility model;
[0028] Figure 5 for Figure 4 Enlarged view of point A in the middle;
[0029] Figure 6 This is a schematic diagram of the internal support assembly of the housing provided in an embodiment of the present utility model;
[0030] Figure 7 This is the second structural schematic diagram of the phase change heat exchange device provided in the embodiment of this utility model.
[0031] Explanation of reference numerals in the attached figures:
[0032] 100-Phase change heat exchanger; 10-Phase change energy storage component; 20-Shell; 30-Heat collector; 31-Heat collection section; 40-Heat conduction component; 50-Heat release component; 51-Drive component; 52-Heat dissipation component; 521-Recessed part; 522-Heat dissipation fins; 523-Flow channel; 53-Box; 531-Air inlet; 532-Air outlet; 60-Support component; 61-Mounting part; 62-First support component; 63-Second support component; 70-Insulation layer; 80-Heat insulation layer. Detailed Implementation
[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0034] The terms "first," "second," etc., in the specification, claims, and accompanying drawings of this utility model are used to distinguish different objects, not to describe a specific order. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or apparatus that includes a series of steps or units is not limited to the listed steps or units, but may optionally include steps or units not listed, or may optionally include other steps or units inherent to these processes, methods, products, or apparatuses.
[0035] In this document, references to "embodiment" or "implementation" mean that a particular feature, structure, or characteristic described in connection with an embodiment or implementation may be included in at least one embodiment of the present invention. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.
[0036] With the country's vigorous promotion of a green, low-carbon, and circular economy, coal-fired heating is gradually shifting to electric heating. Currently, electricity prices peak during the day and trough at night. To save electricity and reduce heating costs, more and more heaters are adopting heat storage heaters, which store heat energy during the night when electricity prices are low and release it during the day when electricity prices are high. However, current phase change heat exchangers have complex structures, resulting in significant heat loss.
[0037] Therefore, this embodiment provides a phase change heat exchange device 100. The phase change heat exchange device 100 can improve the heat exchange efficiency of the phase change energy storage device 10.
[0038] Please see Figure 1 A phase change heat exchange device 100 includes: a phase change energy storage component 10, a shell 20, a heat collector 30, a heat conductor 40, and a heat release component 50;
[0039] The heat collector 30 is disposed inside the housing 20. The heat collector 30 has a heat collection section 31, and the heat collection section 31 is provided with a phase change energy storage device 10. One end of the heat conductor 40 is connected to the heat collector 30, and the other end of the heat conductor 40 is connected to the heat release component 50. The heat release component 50 is disposed outside the housing 20.
[0040] The heat collector 30 is used to absorb the heat released by the phase change energy storage device 10 and transfer it to the heat release component 50 through the heat conductor 40.
[0041] The aforementioned phase change heat exchanger 100 has a heat collector 30 installed in the housing 20, and a phase change energy storage device 10 installed on the heat collector 30. After the phase change energy storage device 10 releases heat, the heat is absorbed by the heat collector 30. The heat absorbed by the heat collector 30 is conducted to the heat release component 50 through the heat conductor 40. Then the heat release component 50 releases the heat, thus releasing the heat stored in the phase change energy storage device 10. In this solution, heat conduction is carried out only through the heat conductor 40, which reduces heat loss during conduction and improves the efficiency of heat transfer.
[0042] Understandably, the heat collector 30 is installed inside the housing 20, and the phase change energy storage device 10 is also installed inside the housing 20. In this way, when the phase change energy storage device 10 releases heat, the heat collector 30 can collect the heat released by the phase change energy storage device 10, and transfer the heat to the heat release component 50 outside the housing 20 through the heat conduction component 40. The heat release component 50 can then release the heat from the heat collector 30. This enables the energy release of the phase change energy storage device 10. The heat conduction through the heat conduction component 40 can also reduce the heat loss during the conduction process, thereby improving the heat transfer efficiency.
[0043] Please see Figure 1 and Figure 2 In some embodiments, the heat dissipation component 50 includes: a driving component 51 and a heat dissipation component 52;
[0044] The heat sink 52 is connected to the heat conductor 40. The heat sink 52 is provided with a recess 521, and the driving member 51 is disposed in the recess 521.
[0045] Understandably, the heat dissipation component 50 includes a driving component 51 and a heat dissipation component 52. The heat dissipation component 52 is connected to the heat conduction component 40 and can receive heat from the heat conduction component 40. This allows the heat dissipation component 52 to quickly receive heat from the heat collector 30 and avoid heat loss from the heat collector 30. A recess 521 is provided on the heat dissipation component 52, and the driving component 51 is provided in the recess 521. This allows the driving component 51 to better facilitate airflow from the heat dissipation component 52. By accelerating the airflow near the heat dissipation component 52 through the driving component 51, the heat dissipation efficiency of the heat dissipation component 52 can be improved.
[0046] Please see Figure 3 and Figure 4 In some embodiments, the heat dissipation assembly 50 further includes: a housing 53;
[0047] The driving component 51 and the heat dissipation component 52 are both disposed inside the housing 53. The housing 53 has an air inlet 531 and an air outlet 532 on opposite sides. The driving component 51 is used to drive airflow into the housing 53 from the air inlet 531 and blow it out from the air outlet 532.
[0048] Understandably, the heat dissipation component 50 also includes a housing 53, and the aforementioned driving component 51 and heat dissipation component 52 are both disposed inside the housing 53. In this way, the heat dissipation component 52 can rapidly heat up the airflow inside the housing 53 and drive the airflow inside the housing 53. An air inlet 531 and an air outlet 532 are respectively disposed on two opposite side walls of the housing 53. The driving component 51 can drive the airflow near the housing 53 to enter the housing 53 from the air inlet 531. After being heated by the heat dissipation component 52, the airflow is discharged through the air outlet 532. This can achieve heating and temperature rise of the airflow, thereby realizing heat exchange of the energy storage component.
[0049] Please see Figure 5 In some embodiments, the heat sink 52 includes a plurality of heat sink fins 522;
[0050] The plurality of heat dissipation fins 522 are spaced apart along a first direction, and a flow channel 523 is formed between two adjacent heat dissipation fins 522. The driving member 51 is used to drive airflow to flow through the flow channel 523.
[0051] Understandably, the heat sink 52 includes multiple heat sink fins 522, and the multiple heat sink fins 522 are spaced apart along the first direction. A flow channel 523 is formed between two adjacent heat sink fins 522 to allow airflow to pass through. In order for the heat sink fins 522 to absorb heat better, the drive member 51 is set in the recess 521. When the airflow is driven by the drive member 51, the airflow can be heated through the flow channel 523 between two adjacent heat sink fins 522. In this way, the airflow in the room is gradually heated, so that the temperature of the entire room rises, thereby realizing the heat exchange of the energy storage device.
[0052] Please see Figure 3 In some embodiments, it also includes: a support component 60;
[0053] The support assembly 60 is disposed inside the housing 20, and the support assembly 60 is provided with a plurality of mounting parts 61, which are used to install the phase change energy storage device 10.
[0054] Understandably, a support assembly 60 is provided inside the housing 20, which divides the housing 20 into multiple mounting sections 61. Each mounting section 61 can install a phase change energy storage device 10, thus enabling the first and second cavities to store more phase change energy storage devices 10, thereby improving the overall energy storage capacity of the energy storage device. At the same time, the simultaneous energy storage of multiple phase change energy storage devices 10 can also improve the energy storage efficiency of the energy storage device.
[0055] Please see Figure 6 In some embodiments, the support component 60 includes: a first support member 62 and a second support member 63;
[0056] A plurality of the first support members 62 are spaced apart along a first direction, and the second support members 63 are arranged along a second direction, and the second support members 63 are arranged perpendicular to the first support members 62;
[0057] The first support member 62 and the second support member 63 together form the mounting part 61, and the phase change energy storage device 10 is disposed in the mounting part 61.
[0058] Understandably, the support assembly 60 includes a first support member 62 and a second support member 63, both of which are disposed within the housing. The first support member 62 is spaced apart along a first direction, and the second support member 63 is spaced along a second direction. Both ends of the second support rod are disposed on the first support, thus forming multiple spaces (i.e., mounting portions 61) with the first and second support members 62 and 63 capable of accommodating the phase change energy storage device 10. The mounting portions 61 formed by the first and second support members 62 and 63 also allow for a larger capacity of the energy storage device, i.e., more phase change energy storage devices 10. After being installed in the first cavity, the phase change energy storage device 10 can release energy. After releasing energy, it can be removed from the first cavity. After use, the phase change energy storage device 10 can store energy. After being installed in the housing 20, the phase change energy storage device 10 can release heat, which is absorbed by the heat collector 30.
[0059] Understandably, the first support member 62 and the second support member 63 mentioned above can also be configured as heat-conducting members 40 and connected to the heat collector 30, so as to conduct the heat of the phase change energy storage device 10 to the heat dissipation component 50 through the first support member 62 and the second support member 63.
[0060] Please see Figure 3 and Figure 6 In some embodiments, the phase change energy storage device 10 is detachably mounted on the mounting portion 61.
[0061] Understandably, the phase change energy storage device 10 is detachably mounted on the mounting part 61. This allows the number of phase change energy storage devices 10 mounted on the mounting part 61 to be adjusted according to actual needs, so that the heat generated by the phase change heat exchanger 100 can be matched with the space requiring heating, thus avoiding energy waste. Alternatively, when rapid cooling is required, more phase change energy storage devices 10 can be mounted on the support assembly 60. Once the temperature reaches the preset temperature, some of the phase change energy storage devices 10 can be removed to maintain the preset temperature, thus achieving rapid cooling.
[0062] Please see Figure 6In some embodiments, the heat-conducting element 40 extends from the interior of the housing 20 to the exterior of the housing 20.
[0063] Understandably, the heat dissipation component 50 is located outside the housing 20. In order to connect the heat conduction component 40 with the heat dissipation structure, the heat conduction component 40 is set to extend from the inside of the housing 20. Specifically, the heat conduction component 40 can conduct heat in the housing 20 from the inside of the housing 20 to the outside of the housing 20. The heat conduction component 40 is directly connected to the heat collector 30, which can also reduce the loss of heat in the transfer process, thereby improving the efficiency of heat transfer and reducing the waste of heat in the transfer process.
[0064] Please see Figure 6 In some embodiments, the outer wall of the heat-conducting element 40 is covered with an insulation layer 70.
[0065] Understandably, the outer wall of the heat-conducting component 40 is covered with an insulation layer 70. The insulation layer 70 can reduce the heat exchange between the heat-conducting component 40 and the surrounding environment, thereby reducing the loss of heat during the conduction process and thus improving the heat exchange efficiency.
[0066] Please see Figure 7 In some embodiments, the outer walls of the housing 20 and the box 53 are provided with a heat insulation layer 80.
[0067] Understandably, a heat insulation layer 80 is provided on the outside of the shell 20 and the box 53. The heat insulation layer 80 can isolate the temperature inside the shell 20 and the box 53. Under the high temperature state of the shell 20 and the box 53, the heat insulation layer 80 can prevent the heat inside the shell 20 and the box 53 from leaking out, and can prevent the temperature inside the shell 20 and the box 53 from dissipating, thus reducing the waste of heat energy.
[0068] In some embodiments, the phase change energy storage device 10 may be made of a phase change material, such as sodium acetate trihydrate or paraffin. Sodium acetate trihydrate or paraffin is prepared by microencapsulation technology, that is, the phase change material is encapsulated in tiny capsules.
[0069] When the phase change energy storage device 10 absorbs heat, the ambient temperature rises to the phase change temperature of the phase change material, at which point the phase change material inside the capsule begins to absorb heat. The heat absorbed by the phase change material causes it to change from a solid to a liquid state; this process is called melting. During this process, the temperature of the phase change material inside the capsule remains relatively constant because the absorbed heat is used to overcome intermolecular forces rather than to raise the temperature.
[0070] When the phase change energy storage device 10 releases heat, the liquid phase change material inside the capsule begins to release heat when the ambient temperature drops below the phase change temperature of the phase change material. The phase change material releases heat and changes from a liquid to a solid state; this process is called solidification. Similarly, the temperature remains relatively constant during this process.
[0071] In this utility model, the terms "embodiment" and "implementation" mean that a specific feature, structure, or characteristic described in connection with an embodiment can be included in at least one embodiment of this utility model. The appearance of these phrases in various places in the specification does not necessarily refer to the same embodiment, nor are they independent or alternative embodiments mutually exclusive with other embodiments. Those skilled in the art will understand, explicitly and implicitly, that the embodiments described in this utility model can be combined with other embodiments. Furthermore, it should be understood that the features, structures, or characteristics described in the various embodiments of this utility model can be arbitrarily combined to form another embodiment that does not depart from the spirit and scope of the technical solution of this utility model, provided there is no contradiction between them.
[0072] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to the above preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions to the technical solution of this utility model should not depart from the spirit and scope of the technical solution of this utility model.
Claims
1. A phase change heat exchange device, characterized in that, include: Phase change energy storage components, housings, heat collectors, heat conductors, and heat dissipation components; The heat collector is disposed inside the housing, and the heat collector has a heat collection section, which is provided with a phase change energy storage device; one end of the heat conductor is connected to the heat collector, and the other end of the heat conductor is connected to the heat release component; the heat release component is disposed outside the housing; The heat collector is used to absorb the heat released by the phase change energy storage device and transfer it to the heat release component through the heat conductor.
2. The phase change heat exchanger according to claim 1, characterized in that, The heat dissipation component includes: a driving component and a heat dissipation component; The heat sink is connected to the heat conductor, and the heat sink has a recessed portion, with the driving component disposed within the recessed portion.
3. The phase change heat exchanger according to claim 2, characterized in that, The heat dissipation assembly also includes: a housing; Both the driving component and the heat dissipation component are disposed inside the housing. An air inlet and an air outlet are respectively provided on opposite sides of the housing. The driving component is used to drive airflow into the housing from the air inlet and blow it out from the air outlet.
4. The phase change heat exchanger according to claim 3, characterized in that, The heat sink includes: multiple heat dissipation fins; The plurality of heat dissipation fins are spaced apart along a first direction, and a flow channel is formed between two adjacent heat dissipation fins. The driving member is used to drive airflow to flow through the flow channel.
5. The phase change heat exchanger according to claim 4, characterized in that, Also includes: Support components; The support assembly is disposed within the housing, and the support assembly is provided with multiple mounting portions, the mounting portions being used to install the phase change energy storage device.
6. The phase change heat exchanger according to claim 5, characterized in that, The support assembly includes: a first support member and a second support member; The first support members are spaced apart along a first direction, the second support members are arranged along a second direction, and the second support members are arranged perpendicular to the first support members; The first support member and the second support member together form the mounting part, and the phase change energy storage device is disposed in the mounting part.
7. The phase change heat exchanger according to claim 6, characterized in that, The phase change energy storage device is detachably mounted on the mounting part.
8. The phase change heat exchanger according to claim 2, characterized in that, The heat-conducting element extends from the inside of the housing to the outside of the housing.
9. The phase change heat exchanger according to claim 8, characterized in that, The outer wall of the heat-conducting component is covered with an insulation layer.
10. The phase change heat exchanger according to claim 3, characterized in that, Both the outer walls of the shell and the box are provided with heat insulation layers.