Vacuum insulator in a storehouse and methods of making and using the same
Disclosed is a vacuum insulator comprising: a heat diffusion block placed in a third space; a thermoelectric module coming into contact with the heat diffusion block so as to exchange heat therewith, and placed in the third space; and a heat sink exchanging heat with the thermoelectric module and placed in a first space or a second place. According to the present invention, high heat-insulation performance and heat-transfer performance can be obtained.
1. An insulated storage comprising:
a first plate defining at least a portion of a wall for a first space, and the first space having a first temperature;
a second plate defining at least a portion of a wall for a second space, and the second space having a second temperature that is different from the first temperature of the first space;
a vacuum space provided between the first plate and the second plate to define a third space that has a temperature between the first temperature and the second temperature; and
a heatsink provided over the second plate,
wherein the vacuum space includes therein:
a supporting structure provided to maintain a volume of the third space;
a heat resistance unit provided to reduce heat transfer between the first plate and the second plate;
a heat diffusion block provided over the first plate; and
a thermoelectric module in contact with the heat diffusion block to perform heat exchange with the heat diffusion block.
2. The insulated storage of claim 1 , wherein the heat diffusion block contacts the first plate, the thermoelectric module contacts the second plate, and the heatsink contacts the second plate.
3. The insulated storage of claim 2 , further comprising:
a nut coupled to a surface of the first plate; and
a bolt intervened into the heat diffusion block and coupled to the nut.
4. The insulated storage of claim 2 , further comprising:
a nut coupled to a surface of the second plate;
a bolt intervened into the heatsink and coupled to the nut; and
a thermal interface module intervened into a contact area between the heatsink and the second plate.
5. The insulated storage of claim 1 , wherein a thermal interface module is intervened into at least one of a surface of the thermoelectric module and a surface of the heat diffusion block.
6. The insulated storage of claim 5 , wherein the thermal interface module is made of a metal material.
7. The insulated storage of claim 6 , wherein the metal material comprises indium or lead.
8. The insulated storage of claim 1 , further comprising a wire applying power to the thermoelectric module,
wherein the supporting structure comprises a bar provided between the first plate and the second plate; and
at least one radiation resistance sheet supported by the bar, and
the radiation resistance sheet comprises a wire guide opening to provide a path through which the wire passes.
9. The insulated storage of claim 8 , wherein the wire guide opening is integrated with a thermoelectric seating opening corresponding to a position of the thermoelectric module and an exhaust port seating opening corresponding to a position of an exhaust port.
10. The insulated storage of claim 1 , further comprising a wire applying power to the thermoelectric module,
wherein the wire comprises:
an inner conducting wire; and
a sheath covering at least a portion of an outside of the inner conducting wire.
11. The insulated storage of claim 10 , wherein the supporting structure is made of resin material, and the resin material comprises at least one selected from the group consisting of polycarbonate (PC), glass fiber PC, low outgassing PC, polyphenylene sulfide (PPS), and liquid crystal polymer (LCP).
12. The insulated storage of claim 10 , wherein the sheath comprises protrusion sheaths spaced apart from each other to cover a portion of the inner conducting wire.
13. The insulated storage of claim 1 , wherein a getter port is further provided in the second plate.
14. A storage compartment comprising:
a main body providing an internal space in which goods are stored, the main body including an opening to an external space; and
a door provided to open and close the opening, and at least one of the main body and the door includes a vacuum insulator, and
the vacuum insulator comprises:
a first plate defining at least a portion of a wall defining the internal space;
a second plate defining at least a portion of a wall defining the external space;
a sealing part sealing the first plate and the second plate to provide a vacuum space that has a temperature between a temperature of the internal space and a temperature of the external space, and the vacuum space being under vacuum pressure;
a supporting structure provided to maintain a volume of the vacuum space;
a thermoelectric module provided in the vacuum space and having a first surface and a second surface that have different temperatures, and the different temperatures provided by a thermoelectric effect;
a heat diffusion block having a third surface that is in contact with the first surface to perform heat exchange, and the heat diffusion block having a fourth surface to diffuse heat; and
a heatsink exchanging heat with the second surface of the thermoelectric module, and the heat sink provided in the external space,
the fourth surface of the heat diffusion block, which is not in contact with the thermoelectric module, having an area greater than that of each of the first surface and the second surface, and
the first and second surfaces of the thermoelectric module brought into contact with the heat diffusion block and the second plate, respectively, by the vacuum pressure of the vacuum space.
15. The storage compartment of claim 14 , wherein a getter port is provided in the second plate.
16. A storage compartment for a vehicle, comprising:
a main body providing an internal space in which goods are stored, the main body including an opening to an external space; and
a door provided to open and close the opening;
at least one of the main body and the door includes a vacuum insulator, and
the vacuum insulator comprises:
a first plate defining at least a portion of a wall defining the internal space;
a second plate defining at least a portion of a wall defining the external space;
a sealing part sealing the first plate and the second plate to provide a vacuum space that has a temperature between a temperature of the internal space and a temperature of the external space, and the vacuum space being under vacuum pressure;
a supporting structure provided to maintain a volume of the vacuum space;
a heat resistance unit provided to reduce heat transfer between the first plate and the second plate;
a heat diffusion block provided in the vacuum space and coming into surface contact with the first plate;
a thermoelectric module provided in the vacuum space and coming into surface contact with the heat diffusion block and the second plate to perform heat exchange; and
a heatsink that exchanges heat with the second plate and provided in the external space, and
wherein at least one of the heat diffusion block and the heatsink is coupled to one of the first plate and the second plate using a bolt and a nut.
17. A vehicle in which the storage compartment of claim 16 is mounted, the vehicle comprising a fitting connecting the main body to the vehicle, and the fitting provided to position the main body on the vehicle.