JP2000353887A - Cooling structure of portable electronic equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enhance the cooling effect on heat produced from portable electronic equipment by introducing cooling air into the portable electronic equipment through an opening formed on the bottom face of the portable electronic equipment, and around a connector which connects the portable electronic equipment with an expansion unit. SOLUTION: An extension unit 32, such as a connector box, to be connected to portable electronic equipment is provided with a fan 43, and power for driving the fan 43 is supplied from a body 11 by way of connectors 33 and 34 through a conductor 44 and a printed board 41. Cooling air supplied from the fan 43 is introduced to the bottom face of the body 11 through an opening 45 formed in the bottom face of the expansion unit 32 to dissipate heat from the portable electronic equipment. The cooling structure of the portable electronic equipment is preferably constituted so that heat from the portable electronic equipment is transmitted to the bottom face of the body 11 through an appropriate heat conducting member. In addition, a heat sink 42 thermally coupled with the connector 34 is cooled by cooling air supplied from the fan 43 installed on the extension unit 32.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cooling structure of a portable electronic device for performing heat radiation processing by using an extension unit externally attached to the portable electronic device to generate heat from the portable electronic device. TECHNICAL FIELD The present invention relates to a cooling structure of a portable electronic device that realizes improvement in cooling efficiency when using a device.

[0002]

2. Description of the Related Art In recent years, portable and portable information processing apparatuses such as notebook personal computers have rapidly become thinner, smaller and lighter, and the space for cooling components and cooling units has been reduced. On the other hand, high-performance, high-performance CPUs have been mounted in order to meet the demand for increased processing capability, and the power consumption of elements and devices has been gradually increasing.
As a result, it is not possible to secure the necessary and sufficient cooling capacity, and the internal temperature of the device and the surface temperature of the housing will increase, which may lead to problems with the device surface temperature as viewed from the human interface (ergono) and the difficulty of heat dissipation in a limited space. Has become.

Further, in recent portable electronic devices, when the temperature of the CPU becomes higher than a predetermined temperature, a thermal throttling function operates and the clock of the CPU is dropped.
There are cases where the performance of the CPU cannot be fully exhibited.

FIG. 8 shows a diagram of the prior art. In the figure, a portable electronic device 1 such as a notebook computer is shown.
01 includes a main unit 111, a display unit 113 rotatably connected to the main unit 111, and a heat radiating unit 124 configured by a combination of a heat radiating plate and a fan mounted on the back of the display unit 113. I have.

The mounting board 1 is provided inside the main body 111.
12, the high heat generating element 121 is mounted on the upper surface of the mounting substrate 112, and the high heat generating element 121 and the heat radiating portion 124 are separated from the heat receiving portion 122 installed on the upper surface of the high heat generating element 121, for example. They are thermally connected by a heat transfer section 123 formed by a heat pipe or the like.

In the above configuration, the portable electronic device 101
In the cooling structure, the heat receiving unit 122 receives the heat generated by the high heat generating element 121, transfers the heat to the heat radiating unit 124 via the heat transferring unit 123, and radiates the heat from the back surface of the display unit 113. For this reason,
When a plurality of high heat generating elements 121 are mounted, the heat receiving portion 1
It is necessary to provide the heat transfer element 123 and the heat transfer part 123 for each high heat generating element 121, and the cooling structure becomes complicated. When replacing the heat receiving unit 122, the heat transfer unit 123, or the heat radiating unit 124, it is necessary to open the inside of the portable electronic device 101 for replacement.

FIG. 9 shows a diagram of the prior art. In the figure, a portable electronic device 1 such as a notebook computer is shown.
Reference numeral 01 includes a main body 111 and a display 113 that is rotatably connected to the main body 111. Further, in order to improve the function of the portable electronic device 101, for example, FDD,
In some cases, an extension unit 132 provided with an input / output device including a CD-ROM, a disk, and the like is externally added to the bottom surface of the portable electronic device 101.

In this case, the connector 133 for electrically connecting the portable electronic device 101 to the extension unit 132 is provided on the bottom surface or the rear surface of the main body 111 of the portable electronic device 101 so that the portable electronic device 101 can be installed on the extension unit 132. And the extension unit 132 is connected to the connector 13 on the main body side.
The connector 134 is arranged at a position corresponding to No. 3 for electrical connection.

Further, the heat generated by the portable electronic device 101 is transmitted to the connector 133, and the extension unit 132 is provided with a heat radiating section 1 composed of, for example, a combination of a heat radiating plate and a fan.
The heat dissipating portion 138 and the connector 134 are thermally connected by a heat transfer portion 137. That is, the heat generated by the portable electronic device 101 is transmitted to the extension unit 132 via the connector 134 and is radiated by the radiator 138 provided in the extension unit 132.

In this configuration, the portable electronic device 101
The heat generated in the portable electronic device 101 is improved by transferring the heat to the expansion unit 132 having no thermal problem via the connectors 133 and 134 and dissipating the heat. Further, the heat generating portion and the heat radiating portion 138 are connected to the connector 1.
By transferring the heat through 33 and 134, the replacement of the cooling member is facilitated.

FIG. 10 shows a diagram of the prior art.
In the figure, the details of the cooling structure using the above-described expansion unit and an expansion unit such as a connector box connected to a portable electronic device will be described. The heat generated in the main body 111 is transmitted to the connector 133 on the main body via the heat transfer section 137. Further, the heat radiating portion 138 provided in the extension unit 132
Is provided with a heat sink 142 thermally connected to the expansion-side connector 134 and a fan 143.
Is supplied from the main body 111 to the connectors 133 and 134.
Is supplied via the conductive wire 144 and the printed circuit board 141.

In this configuration, the portable electronic device 101
Is transmitted to the heat sink 142 of the expansion unit 132 having no thermal problem via the connectors 133 and 134, and the heat sink 142 is cooled by cooling air supplied from the fan 143 provided in the expansion unit 132.

The expansion unit connected to the portable electronic device shown in FIGS. 9 and 10 is used to extend the heat of the portable electronic device transmitted by heat conduction from a contact surface such as a connector or a device bottom. In the cooling structure that radiates heat from the unit, heat transfer loss at the connector section that connects the portable electronic device and the extension unit increases.

[0014]

As described above, the prior art has the following problems.

1) Portable electronic devices are becoming thinner, smaller, and lighter, and the space for installing a cooling unit is becoming smaller, making it impossible to secure a necessary and sufficient cooling capacity.

2) A cooling structure that uses an extension unit connected to a portable electronic device to dissipate the heat of the portable electronic device from a contact surface such as a connector or the bottom of the device by heat conduction from the extension unit. The heat generated in the portable electronic device due to the heat transfer loss cannot be sufficiently dissipated in the expansion unit, and the cooling efficiency is reduced.

[0017] Accordingly, a main object of the present invention is to provide a cooling system for a portable electronic device, which improves the cooling efficiency when heat generated in the portable electronic device is cooled by using an extension unit connected to the portable electronic device. It is to provide a structure.

[0018]

In order to solve the above problems, the present invention takes the following measures.

1) A fan is provided in an extension unit externally attached to the portable electronic device, and cooling air is introduced into the bottom surface of the portable electronic device.

2) A fan is provided in an extension unit externally attached to the portable electronic device, and cooling air is introduced into the portable electronic device through an opening formed around a connector connecting the portable electronic device and the extension unit. I do.

3) A fan is provided in an extension unit externally attached to the portable electronic device, and warm air in the portable electronic device is sucked in from an opening formed around a connector connecting the portable electronic device and the extension unit. Exhaust outside the expansion unit.

4) Fixing means for connecting and fixing the portable electronic device and an extension unit externally attached to the portable electronic device is provided, and heat generated by the portable electronic device is transferred to the extension unit via the fixing means. To perform heat dissipation.

By taking the above measures, the expansion unit is used as a cooling device, thereby eliminating the need for a physical space for cooling, and improving the cooling efficiency of the portable electronic device by eliminating heat transfer loss. I do.

[0024]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention adopts the following embodiments.

As shown in FIG. 1, the cooling structure of the portable electronic device includes an extension unit 3 externally attached to the portable electronic device.
2, a fan 43 is provided, and the cooling air of the fan 43 is formed to be introduced into the bottom surface of the main body 11 of the portable electronic device from an opening 45 formed in the extension unit.

By adopting the above-described embodiment, by using the expansion unit as a cooling device, a physical space for cooling is not required, and cooling air is introduced into the bottom surface of the portable electronic device so that the portable unit can be cooled. Since the heat generated by the electronic device is radiated, the cooling efficiency of the portable electronic device can be improved.

As shown in FIG. 2, in the cooling structure of the portable electronic device, a fan 43 is provided in an extension unit 32 externally attached to the portable electronic device, and the cooling air of the fan 43 is blown by the portable electronic device. It is formed so as to be introduced into the main body 11 of the portable electronic device from an opening 45 formed around the connectors 33 and 34 for connecting the device and the extension unit.

By adopting the above-described embodiment, by using the expansion unit as a cooling device, a physical space for cooling is not required, and cooling air is introduced into the portable electronic device so that the portable electronic device can be cooled. Since the heat generated by the device is radiated, the cooling efficiency of the portable electronic device can be improved.

Further, as shown in FIG. 3, in the cooling structure of the portable electronic device, a thermoelectric cooling element 51 is provided in the extension unit 32, and the cooling air of the fan 43 provided in the extension unit 32 is cooled by the outside air temperature. The lower temperature is set so as to be introduced into the bottom surface of the main body 11 of the portable electronic device or / and into the main body 11 of the portable electronic device.

By adopting the above-described embodiment, cooling air having a lower temperature than the outside air is introduced into the bottom surface of the portable electronic device. Alternatively, cooling air having a temperature lower than the outside air is introduced into the portable electronic device. Therefore, the cooling efficiency of the portable electronic device can be further improved.

Further, as shown in FIG. 4, the cooling structure of the portable electronic device controls the dew condensation sensor 61 installed in the extension unit 32 and the power supplied to the thermoelectric cooling element 51 by the output of the dew condensation sensor. And a control unit 63.

By adopting the above embodiment, it is possible to prevent dew condensation by lowering the voltage supplied to the thermoelectric cooling element based on the output of the dew sensor.

Further, as shown in FIG. 3, the cooling structure of the portable electronic device has a structure in which a high-temperature heat sink 53 is arranged on an upper surface with a thermoelectric cooling element 51 interposed therebetween, and a low-temperature heat sink 52 is arranged on a lower surface. The heat diffusion member 54 for discharging the heat of the
2 above.

By adopting the above-described embodiment, it is possible to prevent the fan provided in the expansion unit from taking in the warm air of the high-temperature heat sink, and to make the intake air temperature of the fan equal to the outside air.

As shown in FIG. 5, in the cooling structure of the portable electronic device, a fan 43 is provided in an extension unit 32 externally attached to the portable electronic device. The warm air in the section 11 is formed so as to be taken in from openings 45 formed around connectors 33 and 34 connecting the portable electronic device and the extension unit, and exhausted to the outside of the extension unit 32.

By employing the above-described embodiment, the use of the expansion unit as a cooling device eliminates the need for a physical space for cooling, and exhausts heat generated by the portable electronic device to the outside of the expansion unit by a fan. Therefore, the cooling efficiency of the portable electronic device can be improved.

Further, the cooling structure of the portable electronic device includes fixing means for connecting and fixing the portable electronic device and an extension unit externally attached to the portable electronic device, and the portable electronic device is connected via the fixing means. The heat of the device is transferred to the expansion unit to perform heat radiation processing.

Further, as shown in FIG. 6, the fixing means includes a guide portion 73 provided on the main body 11 of the portable electronic device and formed of a material having good heat conductivity, and an extension unit 32.
And a connecting member 74 that is attached to the guide portion 73 and that transfers heat generated by the main body portion 11 of the portable electronic device to connect the portable electronic device.

By adopting the above-described embodiment, by using the extension unit as a cooling device, a physical space for cooling is not required, and the heat is transferred and connected by the guide portion and the connecting member. Heat loss can be reduced, and the cooling efficiency of the portable electronic device can be improved.

Further, as shown in FIG. 1 (b), the cooling structure of the portable electronic device comprises a main body 1 of the portable electronic device.
1 is provided with a mechanism for transferring the heat of 1 to the extension unit 32 via the connector 34 of the extension unit 32 externally attached to the portable electronic device.

According to the above-described embodiment, the cooling efficiency of the portable electronic device is further improved by using a mechanism for transferring the heat generated by the portable electronic device to the extension unit by the connector.

When a mechanism for transferring the heat of the portable electronic device to the extension unit by the connector is not used,
A heat transfer mechanism up to the connector is not required inside the portable electronic device, and the portable electronic device can be applied to existing portable electronic devices.

[0043]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A representative embodiment according to the present invention will be described with reference to FIGS. In the following, the same portions are denoted by the same reference numerals, and detailed description may be omitted.

FIG. 1 shows a diagram of an embodiment of the present invention.

In FIG. 3A, an extension unit 32 such as a connector box for connecting to a portable electronic device is provided with a fan 43, and the driving power of the fan 43 is supplied from the main body 11 via the connectors 33 and 34 to the conductor 44. And supplied via a printed circuit board 41. The cooling air supplied by the fan 43 is introduced into the bottom of the main body 11 through the opening 45 formed on the bottom of the extension unit 32 to radiate heat generated by the portable electronic device. Preferably, the heat generated by the portable electronic device is transferred to the bottom surface of the main body 11 by an appropriate heat transfer member.

1B, the difference from FIG. 1A is that the heat generated by the main body 11 is transmitted to the connector 33 of the main body via the heat transfer section 37, and the extension unit 32 is A heat sink 42 thermally connected to an expansion-side connector 34 corresponding to the connector 33 is provided.
The cooling air supplied from the fan 43 provided in the cooling unit 43 cools the heat sink 42, and the cooling air supplied from the fan 43 is introduced into the bottom of the main body 11 through an opening 45 formed in the bottom of the extension unit 32. Dissipates heat generated by electronic devices.

FIG. 2 shows a diagram of an embodiment of the present invention.

Referring to FIG. 3A, an extension unit 32 such as a connector box for connecting to a portable electronic device is provided with a fan 43, and the driving power of the fan 43 is supplied from the main body 11 to the conductor 44 via the connectors 33 and 34. And supplied via a printed circuit board 41. The cooling air supplied by the fan 43 is supplied to the opening 4 formed around the connectors 33 and 34 connecting the main body 11 and the extension unit 32.
5 to the main body 11 to radiate the heat generated by the portable electronic device.

2B, the difference from FIG. 2A is that the heat generated by the main body 11 is transmitted to the connector 33 on the main body side via the heat transfer section 37. Also, the extension unit 3
2 is an extension-side connector 34 corresponding to the connector 33
A heat sink 42 thermally connected to the heat sink. The cooling air supplied from the fan 43 provided in the extension unit 32 cools the heat sink 42, and the cooling air supplied by the fan 43 flows around the connectors 33 and 34 connecting the main body 11 and the extension unit 32. The heat generated by the portable electronic device is dissipated by being introduced into the main body 11 through the opening 45 formed.

FIG. 3 shows a diagram of an embodiment of the present invention.

Referring to FIG. 5A, an extension unit 32 such as a connector box for connecting to a portable electronic device is provided with a fan 43, and a driving power source for the fan 43 is supplied from the main body 11 to the conductor 44 via the connectors 33 and 34. And supplied via a printed circuit board 41. Also, the extension unit 32
A thermoelectric cooling element 51 made of a Peltier element is provided therein, a high-temperature heat sink 53 is disposed on the upper surface with the thermoelectric cooling element 51 interposed therebetween, and a low-temperature heat sink 52 is disposed on the lower surface. A heat diffusion member (heat spreader) 54 for discharging air to the outside is provided above the extension unit 32. The driving power of the thermoelectric cooling element 51 is supplied from the main body 11 via the connectors 33 and 34 via the conductor 44 and the printed circuit board 41.

The cooling air supplied by the fan 43 passes through the low-temperature heat sink 52, is set to a temperature lower than the outside air temperature, and is introduced into the bottom surface of the main body 11 of the portable electronic device to radiate heat generated by the portable electronic device. .

3B, the difference from FIG. 3A is that the heat generated by the main body 11 is transmitted to the connector 33 on the main body side via the heat transfer section 37. Also, the extension unit 3
2 is an extension-side connector 34 corresponding to the connector 33
A heat sink (not shown) thermally connected to the heat sink is provided. The heat sink 42 is cooled by the cooling air supplied from the fan 43 provided in the extension unit 32, and the cooling air supplied by the fan 43 is
1 and extension units 32 and connectors 33 and 34
The heat from the portable electronic device is radiated by being introduced into the main body 11 through an opening 45 formed around the portable electronic device. At this time, as described above, the cooling air supplied by the fan 43 passes through the low-temperature heat sink 52, and thus has a temperature lower than the outside air temperature.

FIG. 4 shows a diagram of an embodiment of the present invention.

Referring to the figure, control when a thermoelectric cooling element is used will be described. As shown in FIG. 3A, a dew condensation sensor 61 is installed to measure the air humidity near the low temperature side of the thermoelectric cooling element 51 in the extension unit 32. The drive power for the thermoelectric cooling element 51 provided in the extension unit 32 is supplied from the power supply unit 62 via the power supply control unit 64. Further, the control unit 63 notifies an instruction to the power supply control unit 64 based on the output of the condensation sensor 61, and the power supply control unit 64 controls the power supply to the thermoelectric cooling element 51. As shown in FIG. 2B, for example, when the relative humidity is 90% (h
If 1) is exceeded, the voltage of the thermoelectric cooling element 51 is reduced or the power supply is cut to prevent dew condensation. When the humidity falls below a certain value (h2), the voltage of the thermoelectric cooling element 51 is restored.

FIG. 5 shows a diagram of an embodiment of the present invention.

Referring to FIG. 5A, an extension unit 32 such as a connector box for connecting to a portable electronic device is provided with a fan 43, and a driving power source for the fan 43 is supplied from the main body 11 to the conductor 44 via the connectors 33 and 34. And supplied via a printed circuit board 41. In addition, the fan 43
Reduces the warm air in the main body 11 of the portable electronic device.
Air is drawn from openings 45 formed around connectors 33 and 34 connecting the
Exhaust outside.

5B, the difference from FIG. 5A is that the heat generated by the main body 11 is transferred to the connector 33 on the main body side via the heat transfer section 37. Also, the extension unit 3
2 is an extension-side connector 34 corresponding to the connector 33
A heat sink 42 thermally connected to the heat sink. The fan 43 draws in the warm air from the heat sink 42 and exhausts it to the outside of the extension unit 32, and also forms the warm air inside the main body 11 around the connectors 33 and 34 connecting the main body 11 and the extension unit 32. Air is taken in from 45 and exhausted out of the expansion unit 32.

FIG. 6 shows a diagram of an embodiment of the present invention.

In the figure, fixing means for connecting and fixing a portable electronic device and an extension unit externally attached to the portable electronic device is provided, and the heat generation of the portable electronic device is extended via the fixing means. Heat is transferred to the unit to perform heat radiation processing.

That is, in FIG.
1 includes a guide portion 73 formed of a material having good thermal conductivity such as aluminum, which is thermally connected to the heat transfer portion 37 thermally connected to a heat generating block (not shown). At the lower part of the guide part 73, a projection part 71 pressed upward by the urging element 72 is provided.

In FIG. 9B, the extension unit 32 is connected to the guide portion 73 by a connecting member 74 made of a material having good heat conductivity such as aluminum.
And the heat sink 42 thermally connected to the connecting member 74
And a fan 43 for cooling the heat sink 42. In addition, the connecting member 74 forms a concave portion 75 that engages with the protruding portion 71.

In this configuration, as shown in FIG. 7, when the connecting member 74 is inserted into the guide portion 73, the protrusion 71
The coupling member 74 and the guide portion 73 are fixed at a predetermined position by the engagement between the coupling member 74 and the concave portion 75, and the coupling member 74 and the guide portion 73 are thermally coupled and mounted. In addition, fan 4
The drive power supply 3 is supplied from the main body 11 through the connectors 33 and 34 through the conductors 44 and the printed circuit board 41 as shown in FIG.

The fan 43 may supply cooling air to the heat sink 42 to cool the heat sink 42, or may draw in warm air from the heat sink 42 to supply heat to the expansion unit 32.
You may make it exhaust outside. Further, as shown in FIG. 1B, a mechanism for transmitting heat generated by the main body 11 of the portable electronic device to the extension unit via the connector 34 of the extension unit 32 may be added.

[0065]

As described above, according to the present invention, the following effects can be expected.

A fan is provided in an extension unit externally attached to the portable electronic device, and the cooling air of the fan is formed to be introduced into the bottom surface of the portable electronic device through an opening formed in the extension unit. The expansion unit can be used as a cooling device, eliminating the need for physical space for cooling, and introducing cooling air to the bottom of the portable electronic device to radiate heat generated by the portable electronic device. The cooling efficiency of the device can be improved.

Further, a fan is provided in an extension unit externally attached to the portable electronic device, and the cooling air of the fan is formed through an opening formed around a connector connecting the portable electronic device and the extension unit. By being formed so as to be introduced into the device, the expansion unit can be used as a cooling device, eliminating the need for a physical space for cooling, and introducing cooling air into the portable electronic device so that the portable electronic device can be cooled. By dissipating the heat generated by the device, the cooling efficiency of the portable electronic device can be improved.

Further, a thermoelectric cooling element is provided in the extension unit, and the cooling air of the fan provided in the extension unit is set to a temperature lower than the outside air temperature and is introduced into the bottom of the portable electronic device or / and the portable electronic device. With such a configuration, it is possible to introduce cooling air having a lower temperature than the outside air to the bottom surface of the portable electronic device. Alternatively, cooling air having a lower temperature than the outside air can be introduced into the portable electronic device. Therefore, the cooling efficiency of the portable electronic device can be further improved.

Further, by providing a dew sensor installed in the expansion unit and a control unit for controlling power supplied to the thermoelectric cooling element based on the output of the dew sensor, the voltage supplied to the thermoelectric cooling element based on the output of the dew sensor is provided. It is possible to prevent dew condensation by lowering.

Further, a high-temperature heat sink is arranged on the upper surface with the thermoelectric cooling element interposed therebetween, a low-temperature heat sink is arranged on the lower surface, and a heat diffusion member for discharging heat of the high-temperature heat sink to the outside of the extension unit is provided on the upper portion of the extension unit. ,
It is possible to prevent a fan provided in the extension unit from drawing in warm air from the high-temperature heat sink, and to make the temperature of the fan suction air equal to that of the outside air.

Also, a fan is provided in an extension unit externally attached to the portable electronic device, and the fan forms an opening for forming warm air in the portable electronic device around a connector connecting the portable electronic device and the extension unit. By using the expansion unit as a cooling device, it is not necessary to provide physical space for cooling, and the heat generated by the portable electronic device is discharged outside the expansion unit by a fan. By exhausting, the cooling efficiency of the portable electronic device can be improved.

Further, fixing means for connecting and fixing the portable electronic device and an extension unit externally attached to the portable electronic device is provided, and heat generated by the portable electronic device is transmitted to the extension unit via the fixing means. By using the expansion unit as a cooling device by transferring heat and radiating heat, it eliminates the need for physical space for cooling and reduces heat transfer loss by transferring and connecting heat using fixing means. The cooling efficiency of the electronic device can be improved.

Further, by providing a mechanism for transferring heat generated by the portable electronic device to the extension unit via a connector of the extension unit externally attached to the portable electronic device, the heat generated by the portable electronic device is extended by the connector. When used in combination with a mechanism that transfers heat to the unit, the cooling efficiency of the portable electronic device can be further improved.

When not using a mechanism for transferring the heat of the portable electronic device to the extension unit by the connector,
A heat transfer mechanism up to the connector is not required inside the portable electronic device, and the present invention can be applied to existing portable electronic devices.

[Brief description of the drawings]

FIG. 1 is a diagram of an embodiment of the present invention.

FIG. 2 is a diagram of an embodiment of the present invention.

FIG. 3 is a diagram of an embodiment of the present invention.

FIG. 4 is a diagram of an embodiment of the present invention.

FIG. 5 is a diagram of an embodiment of the present invention.

FIG. 6 is a diagram of an embodiment of the present invention.

FIG. 7 is a diagram of an embodiment of the present invention.

FIG. 8 is a diagram of the prior art.

FIG. 9 is a diagram of the prior art.

FIG. 10 is a diagram of the prior art.

[Explanation of symbols]

 1: Portable electronic device 11: Main unit 32: Expansion unit 33: Connector (main unit side) 34: Connector (expansion side) 37: Heat transfer unit 43: Fan 45: Opening 51: Thermoelectric cooling element 52: Low temperature heat sink 53 : High-temperature heat sink 54: Thermal diffusion member 61: Dew condensation sensor 63: Control unit 64: Power supply control unit 71: Projection unit 72: Urging element 73: Guide unit 74: Connecting member 75: Concave portion

Claims (9)

[Claims] A fan (43) is provided in an extension unit (32) externally attached to a portable electronic device, and a cooling air of the fan (43) is formed through an opening (45) formed in the extension unit through the portable unit. A cooling structure for a portable electronic device, wherein the cooling structure is formed so as to be introduced into a bottom surface of the electronic device. 2. A fan (43) is provided in an extension unit (32) externally attached to a portable electronic device, and cooling air from the fan (43) is blown around a connector for connecting the portable electronic device and the extension unit. Opening (4
5) The cooling structure for a portable electronic device, wherein the cooling structure is formed so as to be introduced into the portable electronic device. 3. A cooling structure for a portable electronic device, wherein a thermoelectric cooling element (51) is provided in an extension unit (32), and cooling air from a fan (43) provided in the extension unit (32) is supplied to the outside air. The cooling structure for a portable electronic device according to claim 1, wherein the cooling structure is formed so as to be introduced at a temperature lower than the temperature and into a bottom surface of the portable electronic device and / or into the portable electronic device. 4. A cooling structure for a portable electronic device, comprising: a dew condensation sensor (61) installed in an extension unit; and a control unit (63) for controlling power supplied to a thermoelectric cooling element (51) based on an output of the dew condensation sensor. 4. The cooling structure for a portable electronic device according to claim 3, further comprising: 5. A cooling structure for a portable electronic device, comprising: a high-temperature heat sink (53) disposed on an upper surface with a thermoelectric cooling element (51) interposed therebetween; a low-temperature heat sink (52) disposed on a lower surface; The cooling structure for a portable electronic device according to claim 3 or 4, wherein a heat diffusion member (54) for discharging the heat of the expansion unit outside the expansion unit is provided at an upper portion of the expansion unit. 6. A fan (43) is provided in an extension unit (32) externally attached to the portable electronic device, and the fan (43) radiates warm air in the portable electronic device between the portable electronic device and the extension unit. A cooling structure for a portable electronic device, characterized in that the cooling structure is formed so that air is taken in from an opening (45) formed around a connector connecting the above and the air is exhausted out of the extension unit. 7. A fixing means for connecting and fixing a portable electronic device and an extension unit externally attached to the portable electronic device, and generating heat of the portable electronic device to the extension unit via the fixing means. A cooling structure for a portable electronic device, wherein heat is transferred and heat is radiated. 8. The portable electronic device, wherein the fixing means is provided on a portable electronic device and is formed of a material having good thermal conductivity and is attached to the guide portion (73) provided on an extension unit. Connecting member (7
The cooling structure for a portable electronic device according to claim 7, further comprising: (4). 9. The cooling structure of the portable electronic device, wherein heat generated by the portable electronic device is transferred to the extension unit via a connector (34) of the extension unit (32) externally attached to the portable electronic device. The device according to any one of claims 1 to 8, further comprising a mechanism.
A cooling structure for a portable electronic device according to the item.