JP2018132252A - Heat exchanger - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a heat exchanger which enables a heat storage container to be filled with a heat storage material while securing strength of the heat storage container for storing the heat storage material.SOLUTION: The heat exchanger 10 includes a heat storage container 20, a thermo-module 30, and an attachment member 50. The heat storage container 20 has inside a storage space, in which a heat storage material is stored. An endothermic surface 31 of the thermo-module 30 is attached to an outer surface of the heat storage container 20. The attachment member 50 is attached to the outer surface of the heat storage container 20. The heat storage container 20 has partition plates which partition the storage space into a plurality of storage chambers. The attachment member 50 has inside a communication passage which allows communication between the multiple storage chambers and has a connection port 52 linked to the communication passage on an outer surface.SELECTED DRAWING: Figure 1

Description

  The present disclosure relates to a heat exchange device.

Conventionally, there is a heat exchange device described in Patent Document 1. The heat exchange device described in Patent Literature 1 includes heat storage means, heat absorption side heat exchange means, and heat radiation side heat exchange means.
The heat storage means is composed of a heat conductive container and a phase change material. The heat conductive container is formed in a box shape. A phase change material is accommodated inside the thermally conductive member. The phase change material dissipates or absorbs heat and changes phase between a solid phase, a gel, and a liquid phase.

  The heat absorption side heat exchanging means includes a cooling fan and a heat absorption side heat sink. The cooling fan sends the fluid to be cooled flowing from the control panel to the heat absorption side heat sink. The heat absorption side heat sink is provided on the heat absorption side of the thermally conductive container, and transmits heat from the fluid to be cooled sent by the cooling fan to the thermally conductive container.

  The heat radiation side heat exchanging means is composed of a thermo module, a heat radiation fan, and a heat radiation side heat sink. The heat dissipation fan sends suction air to the heat dissipation side heat sink. The thermo module consists of a Peltier element. The heat absorption surface of the thermo module is attached to the heat conductive container. The heat radiation surface of the thermo module is attached to the heat radiation side heat sink. Based on energization, the thermo module absorbs heat from a heat conductive container attached to the heat absorbing surface and emits heat from the heat radiating surface. The heat radiation side heat sink dissipates heat from the heat radiation surface of the thermo module by transmitting heat transmitted from the heat radiation surface of the thermo module to the suction air.

  In this heat exchange device, the heat of the fluid to be cooled flowing through the control panel is transmitted to the heat storage means via the heat absorption side heat exchange means, so that the heat is absorbed by the heat conductive container of the heat storage means. Thereby, the phase change material of the heat storage means is converted from the solid phase to the liquid phase via the gel. On the other hand, the heat radiation side heat exchange means radiates the heat of the heat storage means until the phase change material of the heat storage means returns from the liquid phase to the solid phase. By repeatedly performing such a phase change between the solid phase and the liquid phase of the phase change material, the heat of the fluid to be cooled is absorbed and the control panel is cooled.

Japanese Patent No. 3979511

  By the way, in the heat exchange device described in Patent Document 1, since the inside of the heat conductive container is hollow, it is difficult to ensure the strength of the heat conductive container. When the heat sink is attached, the thermally conductive container may be deformed. As a result, when the volume of the internal space of the heat conductive container decreases, the capacity of the phase change material that can be stored in the heat conductive container also decreases, and as a result, the cooling performance of the heat exchange device may decrease .

  On the other hand, in order to suppress deformation of the heat conductive container, a method of providing a partition structure inside the heat conductive container is also conceivable. However, when the partition structure is provided inside the heat conductive container, the internal space of the heat conductive container is divided into a plurality of rooms. Therefore, it becomes difficult to fill the inside of the heat conductive container with the phase change material.

Note that such a problem is not limited to the heat exchange device that cools the fluid to be cooled by heat exchange between the heat storage material and the fluid to be cooled, but heat that heats the fluid to be cooled by heat exchange between the heat storage material and the fluid to be cooled. This is also a problem common to exchange devices.
The present disclosure has been made in view of such circumstances, and the purpose thereof is a heat exchanging apparatus capable of easily filling the heat storage container with the heat storage material while ensuring the strength of the heat storage container that accommodates the heat storage material. Is to provide.

  The heat exchange device (10) that solves the above problem includes a heat storage container (20), a thermo module (30), a heat exchange part (29), and an attachment member (50). A thermal storage container has the accommodation space (21) in which a thermal storage material (70) is accommodated inside. The thermo module has a heat absorbing surface (31) that absorbs heat based on the supply of electric power and a heat radiating surface (32) that generates heat, and one of the heat absorbing surface and the heat radiating surface is attached to the outer surface of the heat storage container. The heat exchanging unit changes the temperature of the fluid to be cooled by heat exchange between the heat transferred from the heat storage material and the fluid to be cooled. The attachment member is attached to the outer surface of the heat storage container. The heat storage container has a partition plate (22) that partitions the storage space into a plurality of storage chambers. The attachment member has a communication path (51) for communicating a plurality of storage chambers inside, and a connection port (52) connected to the communication path on the outer surface.

  According to this configuration, since the inner wall of the housing space can be supported by the partition plate formed in the housing space of the heat storage container, the strength of the heat storage container can be ensured. Further, if the heat storage material is caused to flow in from the connection port, the heat storage material flows into the storage chambers of the heat storage container through the communication path of the mounting member, so that the heat storage container can be easily filled with the heat storage material.

  In addition, the code | symbol in the bracket | parenthesis as described in the said means and a claim is an example which shows a corresponding relationship with the specific means as described in embodiment mentioned later.

  According to the present disclosure, it is possible to provide a heat exchange device that can easily fill the heat storage container with the heat storage material while securing the strength of the heat storage container that houses the heat storage material.

FIG. 1 is a perspective view showing a perspective structure of the heat exchange device of the first embodiment. FIG. 2 is a perspective view showing a perspective structure of the heat exchange device in a state in which the mounting member of the first embodiment is removed. FIG. 3 is a cross-sectional view showing a cross-sectional structure taken along line III-III in FIG. FIG. 4 is a perspective view showing a perspective structure of the heat exchange device of the first embodiment. FIG. 5 is a cross-sectional view showing a cross-sectional structure of a heat exchange device according to a modification of the first embodiment. FIG. 6 is a perspective view showing a perspective structure of the heat exchange device of the second embodiment. 7 is a cross-sectional view showing a cross-sectional structure along the line VII-VII in FIG. FIG. 8 is a cross-sectional view showing a cross-sectional structure of the first attachment member along the line VIII-VIII in FIG. 7. FIG. 9 is a perspective view showing a perspective structure of a heat exchange device according to another embodiment.

Hereinafter, an embodiment of a heat exchange device will be described with reference to the drawings. In order to facilitate the understanding of the description, the same constituent elements in the drawings will be denoted by the same reference numerals as much as possible, and redundant description will be omitted.
<First Embodiment>
First, the heat exchange apparatus 10 of 1st Embodiment shown by FIG. 1 is demonstrated. The heat exchange device 10 of the present embodiment is used as a device that generates cold air by heat exchange with air. The heat exchange device 10 includes a heat storage container 20, a thermo module 30, a heat radiation unit 40, a first attachment member 50, and a second attachment member 60.

  The heat storage container 20 is formed of a metal material having high thermal conductivity such as aluminum. As shown in FIG. 2, the heat storage container 20 is formed in a rectangular parallelepiped shape. Hereinafter, for convenience, a direction parallel to the direction from the left side wall 25 to the right side wall 26 of the heat storage container 20 is referred to as an “x direction”. A direction parallel to the direction from the front surface 27 to the rear surface 28 of the heat storage container 20 is referred to as a “y direction”. Furthermore, a direction parallel to the direction from the bottom surface 23 to the top surface 24 of the heat storage container 20 is referred to as a “z direction”.

  The heat storage container 20 has a storage space 21 in which the heat storage material 70 is stored. The heat storage container 20 has a plurality of partition plates 22 that partition the storage space 21 into a plurality of storage chambers 21a. The plurality of partition plates 22 are arranged so as to divide the accommodation space 21 in the z direction. The plurality of partition plates 22 are arranged at equal intervals in the x direction. As shown in FIG. 3, the plurality of partition plates 22 are formed so as to extend in the y direction from the front surface 27 to the back surface 28 of the heat storage container 20. A plurality of storage chambers 21 a partitioned by the plurality of partition plates 22 are filled with a heat storage material 70, respectively.

  The heat storage material 70 is made of a material that stores cold heat. Specifically, the heat storage material 70 is made of a material that is phase-changed from a liquid or gel to a solid by being cooled, in other words, by transmitting cold heat. The heat storage material 70 is in a state in which cold energy is stored by changing phase to a solid. That is, the heat storage material 70 is in a state capable of absorbing heat. The heat storage material 70 dissipates the stored cold energy by changing the phase from solid to liquid or gel.

  As shown in FIG. 2, a plurality of fin portions 29 are formed on the bottom surface 23 of the heat storage container 20. Each fin portion 29 is formed so as to stand upright in the z direction from the bottom surface 23 of the heat storage container 20, and is formed so as to extend in the y direction. The plurality of fin portions 29 are arranged at equal intervals in the x direction. In this embodiment, the fin part 29 is corresponded to the heat exchange part which changes the temperature of a to-be-cooled fluid by heat exchange with the air which is a to-be-cooled fluid.

  A plurality of thermo modules 30 are attached to the upper surface 24 of the heat storage container 20 by bonding or the like. That is, in this embodiment, the upper surface 24 of the heat storage container 20 corresponds to the outer surface to which the thermo module 30 is attached. Each thermo module 30 includes a Peltier element. Each thermo module 30 has a heat absorbing surface 31 that contacts the heat storage container 20 and a heat radiating surface 32 that contacts the heat radiating portion 40. Each thermo module 30 absorbs heat from the heat absorbing surface 31 by the Peltier effect based on the supply of electric power, and generates heat corresponding to the amount of heat absorbed in the heat radiating surface 32.

  Similarly to the heat storage container 20, the heat radiating part 40 is formed of a metal material having high thermal conductivity such as aluminum. The heat radiating part 40 includes a substrate part 41 and fin parts 42. The substrate portion 41 is a plate-like member that is disposed to face the upper surface 24 of the heat storage container 20 with the thermo module 30 interposed therebetween. The heat radiating surface 32 of the thermo module 30 is attached to the bottom surface of the substrate portion 41 by bonding or the like. A plurality of fin portions 42 are integrally formed on the upper surface of the substrate portion 41. Each fin portion 42 is formed so as to stand upright in the z direction from the upper surface of the substrate portion 41 and is formed so as to extend in the y direction. The plurality of fin portions 42 are arranged at equal intervals in the x direction.

  As shown in FIG. 1, the first attachment member 50 is attached to the front surface 27 of the heat storage container 20. That is, in the present embodiment, the front surface 27 of the heat storage container 20 corresponds to the outer surface to which the first mounting member 50 is attached. As shown in FIG. 3, a communication passage 51 is formed in the first attachment member 50 to communicate the plurality of storage chambers 21 a of the heat storage container 20. Further, a connection port 52 connected to the communication path 51 is formed on the outer surface of the first mounting member 50. The opening at the tip of the connection port 52 is closed by a plug member 53. As shown in FIG. 2, the number of storage chambers 21 a of the heat storage container 20 is larger than the number of connection ports 52.

The second attachment member 60 is attached to the back surface 28 of the heat storage container 20. As shown in FIG. 3, a communication passage 61 is formed in the second mounting member 60 to communicate the plurality of storage chambers 21 a of the heat storage container 20.
Next, an operation example of the heat exchange device 10 of the present embodiment will be described.

  In the heat exchange device 10, when electric power is supplied to the thermo module 30, heat is absorbed from the heat absorbing surface 31 of the thermo module 30. Thereby, the heat of the heat storage container 20 is absorbed from the heat absorption surface 31 of the thermomodule 30 and the heat storage material 70 is cooled. By continuing this state for a predetermined time, the heat storage material 70 undergoes a phase change from a liquid or gel to a solid, and cold heat is stored in the heat storage material 70. As a result, the temperature of the fin portion 29 of the heat storage container 20 is maintained, for example, below the freezing point.

  On the other hand, when electric power is supplied to the thermo module 30, heat corresponding to the amount of heat absorbed from the heat absorbing surface 31 of the thermo module 30 is generated on the heat radiating surface 32. The heat generated on the heat radiating surface 32 is transmitted to the heat radiating portion 40. In the heat radiating part 40, heat exchange between the fin part 42 and the air flowing between the fin parts 42 and 42 causes heat transferred from the thermo module 30 to be dissipated into the air.

In the state where cold heat is stored in the heat storage material 70 in this manner, when air flows between the fin portions 29 and 29 of the heat storage container 20, heat exchange is performed between the fin portion 29 and the air, Air is cooled. Therefore, cold air can be generated by the heat exchange device 10.
Next, a method for assembling the heat exchange device 10 will be described.

  When the heat exchange device 10 is assembled, first, the thermo module 30, the heat radiating unit 40, the first attachment member 50, and the second attachment member 60 are attached to the heat storage container 20. Thereafter, as shown in FIG. 4, the heat exchange device 10 is installed so that the connection port 52 faces upward in the vertical direction, and then the heat storage material 70 is caused to flow from the connection port 52. Thereby, the heat storage material 70 flows into the heat storage container 20 while the air in the heat storage container 20 escapes from the connection port 52. Specifically, the heat storage material 70 flowing in from the connection port 52 is distributed to each accommodation chamber 21 a of the heat storage container 20 through the communication path 51 of the first mounting member 50. Further, the heat storage material 70 that has flowed into the communication path 61 of the second mounting member 60 is also distributed to the respective storage chambers 21 a of the heat storage container 20. Thereby, a predetermined amount of the heat storage material 70 is filled into the heat storage container 20. Thereafter, the opening at the tip of the connection port 52 is closed by the plug member 53, whereby the assembly of the heat exchange device 10 is completed.

According to the heat exchange device 10 of the present embodiment described above, the operations and effects shown in the following (1) and (2) can be obtained.
(1) Since the inner wall of the storage space 21 can be supported by the partition plate 22 formed in the storage space 21 of the heat storage container 20, the strength of the heat storage container 20 can be ensured. Further, if the heat storage material 70 is caused to flow from the connection port 52, the heat storage material 70 passes through the communication passages 51 and 61 of the first mounting member 50 and the second mounting member 60 to the respective accommodation chambers 21 a of the heat storage container 20. Therefore, each storage chamber 21a of the heat storage container 20 can be easily filled with the heat storage material 70. In addition, the heat storage material 70 can be uniformly and uniformly filled in the respective storage chambers 21 a of the heat storage container 20.

  (2) The outer surface 24 to which the thermomodule 30 in the heat storage container 20 is attached is different from the outer surfaces 27 and 28 to which the attachment members 50 and 60 in the heat storage container 20 are attached. Thereby, since the cold heat produced | generated by a thermomodule becomes difficult to be transmitted to the attachment members 50 and 60, the fall of the cooling performance of the heat exchange apparatus 10 can be suppressed.

(Modification)
Next, the modification of the heat exchange apparatus 10 of 1st Embodiment is demonstrated.
As shown in FIG. 5, a connection port 62 connected to the communication path 61 is further formed in the second mounting member 60 of the present modification. According to such a configuration, when the heat storage material 70 is caused to flow from the connection port 62 of the first mounting member 50, air inside the heat storage container 20 escapes from the connection port 62 of the second mounting member 60. It becomes easy to fill the inside of 20 with the heat storage material 70.

Second Embodiment
Next, a second embodiment of the heat exchange device 10 will be described. Hereinafter, it demonstrates centering around difference with the heat exchange apparatus 10 of 1st Embodiment.
As shown in FIG. 6, a slit portion 80 is formed in the heat storage container 20 of the present embodiment. The slit 80 part is provided so as to penetrate the right side wall 26 from the left side wall 25 of the heat storage container 20, and opens to the upper surface 24 of the heat storage container 20. A first attachment member 90 is inserted and attached to the slit 80 portion.

  As shown in FIG. 7, a communication passage 91 is formed in the first attachment member 90 to communicate the plurality of storage chambers 21 a of the heat storage container 20. As shown in FIG. 8, a connection port 92 connected to the communication path 91 is formed on the outer surface of the first attachment member 90. The opening portion at the tip of the connection port 92 is closed by a plug member 93 (not shown).

According to the heat exchange device 10 of the present embodiment described above, it is possible to further obtain the operations and effects shown in the following (3).
(3) Since the 1st attachment member 90 is being fixed to the slit part 80 formed in the thermal storage container 20, the attachment strength of the thermal storage container 20 and the 1st attachment member 90 can be improved.

<Other embodiments>
In addition, each embodiment can also be implemented with the following forms.
-The structure of the heat exchange apparatus 10 of each embodiment is applicable also to the heat exchange apparatus which produces | generates warm air by heat exchange with air. Such a heat exchange device 10 has a structure as shown in FIG. 9, for example. As shown in FIG. 9, in the heat exchanging device 10, the heat radiating unit 40 is in contact with the heat absorbing surface 31 of the thermo module 30, and the heat storage container 20 is in contact with the heat radiating surface 32 of the thermo module 30. In addition, as the heat storage material 70, a material capable of storing warm heat is used. In the heat exchange device 10, when electric power is supplied to the thermo module 30, warm heat is stored in the heat storage material 70. Further, the cold generated on the heat absorbing surface 31 of the thermo module 30 is dissipated into the air via the heat radiating section 40. Even in such a heat exchange device 10, by adopting the same configuration as that of the heat exchange device 10 of each embodiment, it is possible to obtain operations and effects similar to those of the heat exchange device 10 of each embodiment.

-The number and the shape of the connection ports 52 and 62 formed in the 1st attachment member 50 and the 2nd attachment member 60, respectively, can be changed suitably.
-The opening part by the side of the back surface 28 of the thermal storage container 20 in each storage chamber 21a may be obstruct | occluded by the inner wall of the thermal storage container 20. FIG. According to such a configuration, it is possible to exclude the second attachment member 60 from the heat exchange device 10.

-The number and shape of the fin part 29 which is a part which heat-exchanges with air can be changed suitably. In addition, the fluid to be cooled to exchange heat with the fin portion 29 is not limited to air, and an appropriate fluid can be used.
-This indication is not limited to said specific example. Any of the above specific examples that are appropriately modified by those skilled in the art are also included in the scope of the present disclosure as long as they have the features of the present disclosure. Each element included in each of the specific examples described above, and the arrangement, conditions, shape, and the like thereof are not limited to those illustrated, and can be appropriately changed. Each element included in each of the specific examples described above can be appropriately combined as long as no technical contradiction occurs.

10: Heat exchange device 20: Heat storage container 21: Storage space 22: Partition plate 29: Fin part (heat exchange part)
30: Thermo module 31: Heat absorbing surface 32: Heat radiating surface 50: First mounting member 51: Communication path 52: Connection port 60: Second mounting member 61: Communication channel 62: Connection port 70: Heat storage material 80: Slit

Claims (5)

A heat storage container (20) having therein a storage space (21) in which the heat storage material (70) is stored;
A thermomodule having an endothermic surface (31) that absorbs heat based on the supply of electric power, and a heat dissipating surface (32) that emits heat, and one of the endothermic surface and the heat dissipating surface is attached to the outer surface of the heat storage container (30),
A heat exchange section (29) for changing the temperature of the fluid to be cooled by heat exchange between the heat transferred from the heat storage material and the fluid to be cooled;
An attachment member (50) attached to the outer surface of the heat storage container,
The heat storage container has a partition plate (22) that partitions the storage space into a plurality of storage chambers,
The attachment member has a communication path (51) for communicating the plurality of storage chambers inside, and a connection port (52) connected to the communication path on an outer surface. The heat exchange apparatus according to claim 1, wherein an outer surface of the heat storage container to which the thermo module is attached is different from an outer surface of the heat storage container to which the attachment member is attached. The heat storage container is
The heat exchange device according to claim 1, further comprising a slit portion (80) into which the attachment member is inserted. The heat exchange device according to any one of claims 1 to 3, wherein the number of the accommodation chambers is greater than the number of the connection ports. When the mounting member is a first mounting member,
A second attachment member (60) attached to the heat storage container;
The second mounting member has a communication path (61) for communicating the plurality of storage chambers inside, and has a connection port (62) connected to the communication path on an outer surface. The heat exchange apparatus as described in.

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