JP2007064557A - Cooling system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cooling apparatus that does not require a power supply cord. <P>SOLUTION: The cooling apparatus uses an electronic heating/cooling element such as a Peltier element for cooling the subject of cooling, and uses an electromagnetic induction heating device in a kitchen or dining as the power supply thereof. The cooling apparatus has a driven coil which generates induced electric power when installed in the magnetic field of a high-frequency induction field generating coil, and an electronic cooling element which is operated by a direct current produced from a current generated by the driven coil. The subject of cooling is cooled by the heat absorbing part of the electronic cooling element. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a cooling device that cools an object to be cooled by an electronic cooling device, and more particularly to a cooling device that uses an electromagnetic induction function.

In order to be able to drink beverages at a suitable temperature on a dining table, etc., the cylindrical part is composed of an inner cylinder and an outer cylinder, the inner cylinder can be slid up and down, and an electronic device such as a Peltier element arranged at the lower part of the cylindrical part There is a heating / cooling device in which heat (cooling or heating) is conducted from the entire surface to the beverage from the heating / cooling element (see Patent Document 1).
JP 2001-151278 A

  The thing of this patent document 1 is changing the direction of the electric current which flows into a Peltier device to a normal direction and a reverse direction, and swaps the position of a heat absorption surface and a heat dissipation surface, and heats or cools a beverage. It is. In this heating / cooling device, a beverage placed in a container is placed in a cylindrical portion to heat or cool the beverage, but a power cord is required to supply power to the electronic cooling portion. When carrying the cooling device itself, it is necessary to attach / detach the power cord to / from the outlet, which is troublesome, and this power cord is an obstacle.

  In view of the above, the present invention uses an electronic cooling / heating element such as a Peltier element for cooling an object to be cooled such as a beverage in order to provide a cooling device that does not require a power cord. As a power source, a simple cooling device that can use an electromagnetic induction heating device that is widely used as a facility for kitchens and dining rooms is provided.

  A cooling device according to a first aspect of the present invention includes a passive side coil that generates an induced electric power when installed in a magnetic field of a high frequency induction magnetic field generating coil, and is operated by a direct current generated from a current generated by the passive side coil. An element is provided, and an object to be cooled is cooled by a heat absorption part of the electronic cooling element.

  A cooling device according to a second aspect of the present invention includes a main body that is detachably mounted on a pedestal having a high-frequency induction magnetic field generating coil, and the main body includes an operating portion at a lower portion and a container portion for accommodating an object to be cooled at the upper portion. The actuating unit includes a passive side coil that generates an induced power by a magnetic field of the high-frequency induction magnetic field generating coil, and an electronic cooling element that operates by direct current based on a current generated by the passive side coil. The object to be cooled stored in the container part is cooled by the heat absorbing part.

  A cooling device according to a third aspect of the present invention includes a main body that is detachably mounted on a pedestal having a high-frequency induction magnetic field generating coil, and the main body includes an operating portion at a lower portion and a container portion for accommodating an object to be cooled at the upper portion. The actuating unit is detachably mounted, and the operating unit includes a passive side coil that generates an induced power by a magnetic field of the high-frequency induction magnetic field generating coil, and an electronic cooling element that is operated by a direct current based on a current generated by the passive side coil. The object to be cooled stored in the container portion is cooled by the heat absorbing portion of the electronic cooling element.

  According to a fourth aspect of the present invention, there is provided the cooling device according to the second or third aspect of the invention, wherein the operating part is arranged with the electronic cooling element at a position for cooling the bottom wall of the container part with the heat absorption side of the electronic cooling element as an upper surface. The heat sink of the good heat conductor is provided on the heat radiation side of the lower surface of the electronic cooling element, the heat dissipation fan is disposed below the heat sink, the passive side coil is disposed below the heat dissipation fan, and the heat dissipation fan is It operates by the direct current.

  The cooling device according to a fifth aspect of the present invention is the cooling device of the third aspect or the fourth aspect, wherein the actuating portion includes a receiving portion having an upper surface opening in which a bottom portion of the container portion is detachably set, and a bottom portion of the receiving portion. The electronic cooling element is arranged with the heat absorption side as an upper surface, and the electronic cooling element is arranged at a position for cooling the bottom wall of the container part set in the receiving part.

  A cooling device according to a sixth aspect of the present invention is the cooling device according to any one of the second to fifth aspects of the present invention, on the outer peripheral surface of the main body, a temperature display portion of the object to be cooled housed in the container portion and a display portion that lights and displays the operation It is characterized by having at least one of these.

  According to a seventh aspect of the present invention, in any one of the second to sixth aspects, the main body has a cup shape that can be carried with one hand.

  In the first invention, an electronic cooling element such as a Peltier element is actuated by the induced power generated when placed in the magnetic field of the high frequency induction magnetic field generating coil, and the object to be cooled such as the beverage in the container portion is cooled. Therefore, no power cord is required. For this reason, it is convenient to carry the cooling device, and the range of use of the electromagnetic induction heating device that is widely used as facilities such as kitchens and dining areas is expanded.

  In the second invention, in addition to the effects of the first invention, the main body detachably mounted on the pedestal having the high frequency induction magnetic field generating coil includes a lower operation part and an upper container part for receiving an object to be cooled. As a result, the center of gravity of the cooling device is lowered and stable installation can be achieved.

  In the third invention, in addition to the effect of the first invention, the main body detachably mounted on the pedestal provided with the high frequency induction magnetic field generating coil has the container part for receiving the object to be cooled on the lower working part. Since it is configured to be freely placed, it is easy to perform operations such as removing the container part and putting a beverage or the like into the container part, or transferring the cooled beverage or the like to another container. Moreover, since the container part can be removed and washed with water, in this case, it is safe without water splashing on the lower working part.

  In the fourth invention, in addition to the effects of the second or third invention, since the same direct current as the power to the electronic cooling element is used as the power to the heat radiating fan, the main body is provided with a high frequency induction magnetic field generating coil. By mounting on the pedestal, power can be supplied at the same time as the power supply to the electronic cooling element, no power cord is required for power supply to the heat-dissipating blower, and there is no need for ON / OFF control by a switch. It will be convenient.

  In the fifth aspect of the invention, in addition to the effects of the third or fourth aspect of the invention, the actuating part is provided with a receiving part having an upper surface opening in which the bottom part of the container part is detachably set. Is good.

  In the sixth aspect of the invention, in addition to the effects of the second to fifth aspects of the invention, it is easy to determine whether or not the object to be cooled stored in the container is at an appropriate temperature and to confirm whether the cooling device is operating. In addition, if an LED is used for the display unit, the same direct current as the electric power to the electronic cooling element can be used, so that the power feeding circuit is also simplified.

  In the seventh invention, in addition to the effects of the second to sixth inventions, since the main body is in a cup shape that can be carried with one hand, it is convenient to carry and easy to use.

  The cooling device according to the present invention includes a passive-side coil that generates an induced power when installed in a magnetic field of a high-frequency induction magnetic field generating coil, and is operated by a direct current generated from a current generated by the passive-side coil. An element is provided, and an object to be cooled is cooled by a heat absorption part of the electronic cooling element. Examples of the present invention will be described below.

  Embodiments of the present invention will be described. FIG. 1 is a longitudinal side view of a cooling device, FIG. 2 is an enlarged sectional view of an electronic cooling element portion, and FIG. 3 is a power supply circuit diagram for the electronic cooling element and the like.

  In FIG. 1, a cooling device 1 of the present invention is detachably mounted on a pedestal 3 showing a kitchen top plate, a dining table plate or the like equipped with an electromagnetic induction heating device 2 on the back side. An electronic cooling element 5 having a passive side coil 4 that generates an induced power when installed in the magnetic field of the high frequency induction magnetic field generating coil 2A of the apparatus 2 and operated by a direct current generated from a current generated by the passive side coil 4. And an object to be cooled such as a beverage is cooled by the heat absorbing portion 5A of the electronic cooling element 5.

  This will be specifically described. In FIG. 1, a cooling device 1 includes a main body 10 that is detachably mounted on a pedestal 3 including a high-frequency induction magnetic field generating coil 2A. The main body 10 includes an operating portion 11 at a lower portion and a beverage at an upper portion thereof. The container part 12 of the upper surface opening which accommodates the to-be-cooled objects H, such as is provided. The operating unit 11 includes a passive side coil 4 that generates an induced power by the magnetic field of the high frequency induction magnetic field generating coil 2A, and an electronic cooling element 5 that operates by direct current based on a current generated by the passive side coil 4. The to-be-cooled object H accommodated in the container part 12 is cooled by the heat absorbing part 5A of the element 5. The main body 10 is formed of a magnetic material having a container shape with an upper surface opening, and the illustrated form has a cup shape with an upper surface opening with a size that can be carried with one hand as a whole. The outer peripheral surface of the main body 10 is provided with a temperature display unit 18 for the object to be cooled H stored in the container unit 12 and an LED display unit 19 for lighting and displaying the operation of the cooling device 1. It is the structure which provided these in the surrounding outer surface of. A detachable lid 12 </ b> A is provided in the upper surface opening of the container portion 12. The container part 12 is the structure provided with the heat insulation layer 12B in order to hold | maintain the temperature of the to-be-cooled material H accommodated.

  As shown in FIG. 1, inside the working unit 11, from the bottom to the top, the passive side coil 4, the circuit board 6 supported by the support member 13, the heat dissipation fan 7 supported by the support member 13, and electronic cooling The heat sink 8 for heat dissipation of the element 5 and the electronic cooling element 5 are sequentially arranged. An air intake port 9 A is formed on the peripheral surface corresponding to the passive coil 4, and an air discharge port 9 B is formed on the peripheral surface corresponding to the heat sink 8 for heat dissipation. As shown in FIG. 2, the heat sink 5B of the electronic cooling element 5 is combined with the heat sink 8 for heat dissipation via a thin electric insulator 15, and the heat absorber 5A of the electronic cooling element 5 is interposed via a thin electric insulator 16. A heat conducting plate 17 is combined. Since the heat good guide plate 17 forms the bottom plate of the container portion 12, the periphery of the heat good guide plate 17 has a sufficient sealing structure so that the cooled object H such as a beverage stored in the container portion 12 does not leak. Yes.

  As shown in FIG. 2, the electronic cooling element 5 has N-type semiconductors and P-type semiconductors arranged alternately in the lateral direction, and one end side of the adjacent N-type semiconductor and P-type semiconductor is connected by a heat conducting plate. This is a well-known configuration in which an N-type semiconductor and a P-type semiconductor are connected in series as a whole by configuring the heat absorbing portion 5A and connecting the other end with a heat conducting plate to configure the heat radiating portion 5B. Further, the heat sink 8 for heat radiation forms a large number of heat radiation fins 8A with a good heat conductor such as aluminum. With such a configuration, the heat of the heat radiating portion 5B of the electronic cooling element 5 is radiated by the heat sink 8 for heat dissipation through the electric insulating material 15, and the heat absorbing portion 5A of the electronic cooling element 5 is radiated through the thin electric insulating material 16. The heat conducting plate 17 is cooled. And the to-be-cooled object H, such as a drink accommodated in the container part 12, is cooled by the cooling of the heat conducting plate 17. The heat inside the operating portion 11 is exchanged by the air sucked from the air intake port 9A by the operation of the heat radiating blower 7, and is released from the air discharge port 9B.

  FIG. 3 shows a power supply circuit diagram for the electronic cooling element 5 and the like, in which the power induced in the passive side coil 4 facing the high frequency induction magnetic field generating coil 2A connected to the AC power source 20 is rectified. The current is rectified by the rectifier circuit 21 configured by the element 21A, and is smoothed by the smoothing capacitors 22A and 22B to become a direct current indicated by (+) and (−). The electronic cooling element 5, the DC motor 7 </ b> A of the heat radiating fan 7, and the LED of the display unit 19 are operated by this direct current.

  Due to such a configuration, the cooling device 1 is placed at a position where the passive side coil 4 faces the high-frequency induction magnetic field generating coil 2A, and the electromagnetic induction heating device 2 is turned on, so that the AC power source 20 Electric power is supplied to the high-frequency induction magnetic field generating coil 2A and electric power is induced in the passive coil 4, and the LED of the display unit 19 is lit to indicate that it is operating. At the same time, the electronic cooling element 5 operates to cool the object H to be cooled such as a beverage stored in the container portion 12, the DC motor 7A is started, and the heat radiating fan 7 is operated. By such an operation, the object to be cooled H such as a beverage stored in the container unit 12 is cooled. Therefore, the temperature of the temperature display unit 18 is confirmed, or after an appropriate time has elapsed from the start of operation, the cooling device 1 , The LED of the display unit 19 is turned off, and the electronic cooling element 5 and the DC motor 7A are in an operation stop state, so that the object H to be cooled can be drunk as it is, or in another container. It can be transferred. When the object to be cooled H is not cooled by the cooling device 1, the power source of the electromagnetic induction heating device 2 is turned off.

  FIG. 4 shows a longitudinal side view of the cooling device according to the second embodiment of the present invention. The parts are denoted by the same reference numerals as in the first embodiment, and the above description is incorporated. A different part from the form of Example 1 is that the main body 10 has a configuration in which the operating part 11 and the container part 12 can be separated, and the container part 12 is detachably mounted on the upper part of the operating part 11. For this reason, the operating unit 11 includes a passive side coil 4 that generates induced power by the magnetic field of the high frequency induction magnetic field generating coil 2A, and an electronic cooling element 5 that operates by direct current based on the power generated by the passive side coil 4, A heat conducting plate 17 is joined to the upper surface of the heat absorbing portion 5A of the electronic cooling element 5 through a thin electric insulating material 16 in the same manner as in the configuration shown in FIG. And the action | operation part 11 is the structure which forms the receiving opening 23 of the upper surface opening extended a little outward so that the bottom part of the container part 12 may be received, and the heat conducting plate 17 forms the bottom face of this receiving opening 23. Moreover, the bottom wall 24 of the container part 12 is comprised with the heat conducting plate. The power supply circuit diagram for the electronic cooling element 5 and the like is the same as FIG.

  With this configuration, if the bottom portion of the container portion 12 is fitted and placed in the receiving port 23 so that the bottom wall 24 of the container portion 12 abuts against the heat conducting plate 17, it is the same as described in the first embodiment. Based on energization to the electronic cooling element 5, the heat conducting plate 17 is cooled by the heat absorbing portion 5A, whereby the bottom wall 24 of the container portion 12 is cooled, and the object to be cooled H stored in the container portion 12 is cooled. The For this reason, it becomes easy to perform operations such as removing the container part 12 and putting a beverage or the like into the container part 12 or transferring the cooled beverage or the like to another container. Moreover, since the container part 12 can be removed and it can wash with water, in that case, it will become the safe cooling device 1 without water splashing on the action | operation part 11 of the lower part.

  FIG. 5 shows a perspective view of the cooling device of Example 3, and FIG. 6 shows a longitudinal side view of the cooling device of FIG. In these, the same functional parts as those in the first embodiment are denoted by the same reference numerals, and the above description is incorporated. The part different from the form of the first embodiment is that the form of the main body 10 is a box shape such as a rectangular shape with an opening on the upper surface. Like the first embodiment, the main body 10 is provided with an operating part 11 at the lower part, and at the upper part. A container portion 12 having an upper surface opening for containing an object H to be cooled such as a beverage is provided. 8 is slightly different, and the air sucked from the air intake 9A formed on one side by the heat radiating blower 7 is discharged from the air discharge 9B formed on the other side while the passive coil 4 The electronic cooling element 5 and the circuit board 6 are cooled. The power supply circuit diagram for the electronic cooling element 5 and the like is the same as FIG.

  As in the first embodiment, the heat absorbing portion 5A of the electronic cooling element 5 is combined with a heat conducting plate 17 through a thin electrical insulating material 16, and the container portion 12 heats the water contained therein. By cooling with the guide plate 17, the water is suitable for cooling an object to be cooled H of a beverage placed in a container such as a bottle, a can, or a plastic bottle. Moreover, it is also possible to cool the to-be-cooled object H other than a drink with the container part 12, and what is necessary is just to mount the to-be-cooled object H on the heat conducting plate 17 in that case.

  In the present invention, an electronic cooling element such as a Peltier element is actuated by induced electric power generated when placed in the magnetic field of the high-frequency induction magnetic field generating coil 2A, thereby cooling an object to be cooled such as a beverage in a container portion. Since it is a cooling device, the form and internal structure of the main body 10 are not limited to the above, and can be applied to various structures within the technical scope of the present invention.

  A changeover switch is provided so as to be exposed on the outer surface of the cooling device 1, and this switch is applied so that the polarity of the direct current (+) (−) applied to the electronic cooling element 5 of the Peltier element is reversed. If it carries out, it will switch so that the said heat absorption part 5A of the electronic cooling element 5 may turn into a thermal radiation part, and the said heat radiation part 5B may become a thermal absorption part. If it switches in this way, since the said cooling device 1 will become a heating apparatus and the article H accommodated in the container part 12 will be able to be heated, a simple type cooling / heating apparatus can be comprised.

It is a vertical side view of the cooling device concerning the present invention. Example 1 It is a partial expanded sectional view of the electronic cooling element part which concerns on this invention. Example 1 It is a power supply circuit diagram to the electronic cooling element etc. which concern on this invention. Example 1 It is a vertical side view of the cooling device concerning the present invention. (Example 2) It is a perspective view of the cooling device concerning the present invention. (Example 3) It is a vertical side view of the cooling device of FIG. (Example 3)

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Cooling device 2 ... Electromagnetic induction heating device 2A ... High frequency induction magnetic field generating coil 3 ... Base 4 ... Passive coil 5 ... Electronic cooling element 5A ... Heat absorption part 5B ... Heat dissipation part 6 ... Circuit board 7 ... Heat dissipation fan 8 ... Heat dissipation heat sink 10 ... Body 11 · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · Only 17・ Operation display unit 20... AC power supply 21... Rectification unit 23.

Claims (7)

  A passive coil that generates an induced power when installed in the magnetic field of a high frequency induction magnetic field generating coil, and an electronic cooling element that is operated by a direct current generated from a current generated by the passive coil, the electronic cooling element A cooling device characterized in that the object to be cooled is cooled by the heat absorption part.   A main body detachably mounted on a pedestal having a high-frequency induction magnetic field generating coil, the main body includes an operation portion at a lower portion, and a container portion for accommodating an object to be cooled at an upper portion thereof. A passive-side coil that generates induced power by the magnetic field of the high-frequency induction magnetic field generating coil, and an electronic cooling element that operates by direct current based on a current generated by the passive-side coil are provided in the container part by the heat absorption part of the electronic cooling element. A cooling device for cooling an object to be cooled.   The main body includes a main body that is detachably mounted on a pedestal including a high frequency induction magnetic field generating coil, and the main body includes an operating portion at a lower portion, and a container portion that accommodates an object to be cooled is detachably mounted on the upper portion. The operating unit includes a passive side coil that generates an induced power by the magnetic field of the high-frequency induction magnetic field generating coil, and an electronic cooling element that is operated by a direct current based on a current generated by the passive side coil. The cooling apparatus characterized by cooling the to-be-cooled object accommodated in the said container part by.   The actuating portion includes the electronic cooling element disposed at a position where the bottom wall of the container portion is cooled with the heat absorption side of the electronic cooling element as an upper surface, and a heat sink of a good thermal conductor is provided on the lower surface radiation side of the electronic cooling element, 4. The heat dissipating blower is disposed below the heat sink, the passive coil is disposed below the heat dissipating fan, and the heat dissipating fan is operated by the direct current. Cooling system.   The actuating portion includes a receiving portion having an upper surface opening in which a bottom portion of the container portion is detachably set. The thermoelectric cooling element is disposed on the bottom portion of the receiving portion with the heat absorption side as an upper surface, and is set in the receiving portion. The cooling device according to claim 3 or 4, wherein the electronic cooling element is arranged at a position for cooling the bottom wall of the container portion.   6. The outer peripheral surface of the main body is provided with at least one of a temperature display part of an object to be cooled stored in the container part and a display part that lights and displays the operation. The cooling device as described.   The cooling device according to claim 2, wherein the main body has a cup shape that can be carried with one hand.

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