JPH0654740A - Bed with air conditioner - Google Patents

Abstract

PURPOSE:To make a bed movable by a method wherein a direct current power source is connected to a heat-electricity converting element, so that cool air or warm air is generated in an air flow path and the heat generated on a second heat exchanging face is accumulated in a heat storage medium during cool air generation. CONSTITUTION:When a heat-electricity converting element 24 is connected to a direct current power source 31 in the case a bed 10 with an air conditioner is used in cooling mode, a heat absorption effect occurs on a first heat exchanging face 24a and air in the vicinity of fins 25 inside an air path 21 is cooled. As a result, the cooled air flows toward an opening 21b and supplied to around a pillow 14 of a user of a bed, allowing the user to have a silent sleep. On the other hand, a heat releasing effect occurs on a second heat exchanging face 24b of the heat-electricity converting element 24 and heat is absorbed in a heat accumulating medium 2 connected to the second heat exchanging face 24b. Then, the heat accumulated in the heat accumulating medium 26 is released into air inside a room through fins 28 and an opening 22a. Heat release from the fins 28 proceeds so slowly that it is completed by the time of the next use.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bed with an air conditioner.

[0002]

2. Description of the Related Art As prior art relating to the present invention, for example, Japanese Utility Model Publication No. 61-34948 and Japanese Utility Model Publication No. 62-1024.
There is a "bed" disclosed in Japanese Patent No. 53. In any of the conventional techniques, a large number of ventilation holes are formed on the bed surface of the bed, and they are connected separately from the bed using a cooling / heating fan and a connecting pipe. Then, the cold air is supplied to the bed surface in the hot season and the hot air is supplied to the bed surface in the cold season to give the bed user a comfortable sleep.

However, in particular, in order for the cold / hot air blower to uniformly supply the cold air to the wide bed surface, the cold / hot air blower is of a type that uses a refrigerant (generally a CFC compression type), and exhaust heat is exhausted during cold air production. Occurs. When this exhaust heat is discharged into the bed arrangement room, the room is heated as a result and the bed user is uncomfortable. Therefore, at least the heat radiating portion of the cool / hot air blower has to be installed outside the room. However, there are problems that construction is required for outdoor installation, the movement range is limited when the bed is moved, or re-construction is required, and the bed cannot be easily moved.

[0004]

In view of the above, according to the present invention, an air conditioner can be installed in a bed, and exhaust heat of the air conditioner can be discharged without causing discomfort to a bed user. This is a technical issue.

[0005]

[Constitution of the invention]

[0006]

A first technical means of the present invention, which has been taken to solve the above-mentioned technical problems of the present invention, is a bed portion, a head portion, and a compartment formed in the head portion. The ventilation passage and the housing portion, the thermoelectric conversion element having the first and second heat exchange surfaces, and the first heat exchange surface are thermally coupled,
From a fin inserted in the ventilation passage, a heat storage material thermally coupled to the second heat exchange surface and arranged in the housing portion, and a DC power source connected to the thermoelectric conversion element via a switch means. That is, the bed with the air conditioner is configured.

Further, in the second technical means of the present invention taken to solve the above-mentioned technical problem of the present invention, after the switch means is turned off, the switch means turns on the thermoelectric conversion element and the DC power source. That is, they are connected in reverse polarity.

[0008]

According to the above-mentioned first technical means of the present invention,
By connecting a DC power source to the thermoelectric conversion element, cold air or warm air is generated in the ventilation passage, and when cold air is generated, the heat generated on the second heat exchange surface is stored in the heat storage material.

According to the above-mentioned second technical means of the present invention, after the switch means is turned off, the switch means connects the thermoelectric conversion element and the DC power source with opposite polarities,
The second heat exchange surface absorbs the heat stored in the heat storage material.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments embodying the technical means of the present invention will be described below with reference to the accompanying drawings.

The bed 10 with an air conditioner according to the first embodiment of the present invention, the cross section of which is shown in FIG. 1 and FIG.
And a head part 12, and a mat 13 is placed on the bed part 11.
Pillows 14 are arranged. In the head portion 12, an air passage 21 and a housing portion 22 are formed inside the head portion 12 so as to be partitioned from each other by a partition plate 23. Are opened at the openings 21b near the base of the pillow 14, respectively. The thermoelectric conversion element 24 having the first and second heat exchange surfaces 24a and 24b is almost on the partition plate 23, and the first heat exchange surface 24a is the fin 2
Thermally coupled with 5. Here, the fins 25 are inserted into the ventilation passage 21 and extend over substantially the entire cross section of the ventilation passage 21. On the other hand, the second heat exchange surface 24b is thermally coupled to the housing 27 that holds the heat storage material 26 therein. This housing has fins 28 on the outer surface and is arranged in the housing portion 22 having an opening 22a. Here, the heat storage material 26 uses water, a phase change of a substance,
Alternatively, any one that can sufficiently absorb the heat emitted by the thermoelectric conversion element 24 during the cooling operation of the air-conditioned bed 10 may be used, such as one that uses chemical reaction heat. The fins 25 and the housing 27 are the head portion 12 itself and the partition plate 23.
It is fixed to. The thermoelectric conversion element 24 is connected to a DC power supply 31 via a switch section (switch means) 30, and the ON time of the switch section 30 is limited by a timer 31.

The operation of the bed 10 with an air conditioner of the first embodiment having the above construction will be described. When the bed is used, the user operates the switch section 30 to operate the thermoelectric conversion element 2.
The DC power supply 31 is connected to the terminal 4. Here, the thermoelectric conversion element 2
By changing the polarity of the DC power supply 31 connected to the air conditioner 4, it is possible to impart either the cooling function or the heating function to the bed 10 with an air conditioner.

First, when the bed 10 with an air conditioner having a cooling function is used, the user turns on the switch section 30.
When the DC power supply 31 is connected to the thermoelectric conversion element 24 as N, the first heat exchange surface 24a has a heat absorbing effect, and the air in the vicinity of the fins 25 in the ventilation passage 21 is cooled. As a result, the cooled air flows toward the opening 21b by natural convection and is supplied to the vicinity of the bed user's pillow 14 and invites the user to sleep. Here, the ventilation passage 21 has an opening 21
Although an air flow from a to the opening 21b is generated by natural convection, a fan (not shown) may be provided in the ventilation passage 21. On the other hand, the second heat exchange surface 24b of the thermoelectric conversion element 24 has a heat radiating action, and the heat is absorbed by the heat storage material 26 coupled to the second heat exchange surface 24b. However, since the heat storage amount of the heat storage material 26 is limited, the switch unit 30 is turned off after a predetermined time by using a timer (not shown). The fixed time from ON to OFF of the switch unit 30 is determined by the heat storage capacity of the heat storage material 26, and the switch unit 30 is preferably turned OFF when the heat storage capacity is full.

Then, when the switch unit 30 is ON or O
Regardless of the FF time, the heat stored in the heat storage material 26 is released from the heat storage material 26 to the indoor air through the fins 28 and the openings 22a. At this time, the amount of heat released by the fins 28 is generated little by little, and the bed 1 with an air conditioner is
Since the fins 28 are designed such that 0 is used at bedtime and the heat dissipation of the heat storage material 26 is completed by the next use, the temperature of the indoor air does not rise significantly when heat is dissipated from the fins 28. .

On the other hand, when the bed 10 with an air conditioner having a heating function is used, the user turns on the switch unit 30.
When the DC power supply 31 is connected to the thermoelectric conversion element 24 as N, the heat radiation effect is generated on the first heat exchange surface 24a, and the air in the vicinity of the fins 25 in the ventilation passage 21 is warmed. The warmed air heads toward the opening 21a. Therefore, in order to provide a heating function, a fan 37 as shown in FIG. It is desirable to generate an air flow directed to. Therefore, the warmed air is supplied to the bed user's pillow 14 yuan vicinity, and invites a user's sleep. On the other hand, an endothermic action occurs on the second heat exchange surface 24b of the thermoelectric conversion element 24, and the heat storage material 26 coupled to the second heat exchange surface 24b is cooled. However, since the heat storage material 26 is not cooled significantly, it is not necessary to limit the ON time of the switch unit 30 during the heating function as in the cooling function. Therefore, the timer 32 can be omitted when it has only the heating function.

Next, the bed 34 with an air conditioner according to the second embodiment of the present invention will be described with reference to FIG. 3. The same parts as those of the first embodiment are designated by the same reference numerals as those of the first embodiment. The description is omitted. Also, regarding the operation, the description of the same points as those of the first embodiment will be omitted. The bed 34 with an air conditioner of the second embodiment is particularly effective when a cooling function is provided, and the timer 32 as described above is used.
Instead of using the temperature sensor 35,
When the temperature of the heat storage material 26 reaches a certain set value, the control unit 36 determines that the heat storage capacity of the heat storage material 26 has reached or is approaching the limit, and the switch unit 30
Is turned off. That is, when the heat storage material 26 has a sufficient heat storage capacity, the temperature does not rise even if heat is stored, and the temperature rises only when the heat storage capacity reaches the limit. When the temperature change of the heat storage material 26 (that is, the temperature of the heat storage material 26 reaches a certain set value) is detected by the sensor 35, the time when the switch unit 30 is turned off can be determined. The switch unit 30 may be controlled by using a temperature switch (not shown) instead of the temperature sensor 35 and the control unit 36. Further, in the structure shown in FIG. 3, a fan 37 is installed in the ventilation passage 21.

Finally, the bed 39 with an air conditioner according to the third embodiment of the present invention will be described with reference to FIG. 4, but the same parts as those of the first and second embodiments are the same as those of the first and second embodiments. The description will be omitted by giving the reference numerals. Further, regarding the operation, the description of the same points as those of the first and second embodiments will be omitted. The air-conditioning bed 34 of the second embodiment is provided with both cooling and heating functions. Here, the DC power supply 31 is connected to the thermoelectric conversion element 24 via the switch unit 40.
Connected to. The switch unit 40 can change the polarity of the DC power supply 31 connected to the thermoelectric conversion element 24, and can also turn off the connection between the thermoelectric conversion element 24 and the DC power supply 31. Therefore, the heating / cooling function can be selectively activated by operating the switch unit 40 in response to the user's request.

In particular, when the cooling function is activated, the switch section 40 can be turned off by using the timer 32, the temperature sensor 35 and the control section 36 as in the first and second embodiments described above. According to the embodiment, the switch unit 40 is turned off.
After that, for example, the switch unit 40 connects the thermoelectric conversion element 24 and the DC power supply 31 with opposite polarities at the time of getting up. As a result, the heat stored in the heat storage material 26 is continuously radiated to the indoor air by the fins 28, but the heat is absorbed from the heat storage material 26 by the second heat exchange surface 24b acting as a heat absorption surface. It is taken away and the heat dissipation of the heat storage material 24 is completed promptly. At this time, the rotation direction of the fan 37 is reversed and the opening 21b
It is also possible to generate an air flow in the direction from to the opening 21a.

[0019]

As described above, in the air-conditioned bed of the present invention, by connecting a DC power source to the thermoelectric conversion element, the air-conditioned bed can be provided with a cooling / heating function, and a cool air or hot air can be supplied to the ventilation passage. Wind is generated. In particular, when the cold air is generated by the cooling function, the heat generated in the second heat exchange surface is stored in the heat storage material, so that the space in which the bed is placed is not heated. In addition, since the air conditioner is integrated into the bed, the bed can be moved freely, and the installation work of the air conditioner is not required when installing the bed.

Further, after the switch means is turned off, the switch means connects the thermoelectric conversion element and the DC power source with opposite polarities, so that the heat stored in the heat storage material is absorbed by the second heat exchange surface, The time until the next positive connection is used can be shortened.

[Brief description of drawings]

FIG. 1 shows a block diagram of a bed with an air conditioner according to a first embodiment of the present invention.

FIG. 2 is a sectional view taken along line AA in FIG.

FIG. 3 is a configuration diagram of a bed with an air conditioner according to a second embodiment of the present invention.

FIG. 4 is a configuration diagram of a bed with an air conditioner according to a third embodiment of the present invention.

[Explanation of symbols]

 10 Air-Conditioned Bed, 11 Bed Section, 12 Head Section, 21 Ventilation Path, 22 Housing Section, 24 Thermoelectric Conversion Element, 24a First Heat Exchange Surface, 24b Second Heat Exchange Surface, 25 Fins, 26 Heat Storage Material, 30 Switch Part (switch means), 31 DC power supply.

Claims (2)

[Claims] 1. A bed part and a head part, an air passage and a housing part which are formed in the head part so as to be partitioned from each other, a thermoelectric conversion element having first and second heat exchange surfaces, and the first heat exchange surface. Fins that are thermally coupled and inserted into the ventilation passage; a heat storage material that is thermally coupled to the second heat exchange surface and is disposed in the accommodating portion; and a switch unit for the thermoelectric conversion element. A bed with an air conditioner, which has a DC power source connected via the. 2. The bed with an air conditioner according to claim 1, wherein after the switch means is turned off, the switch means connects the thermoelectric conversion element and the DC power source with opposite polarities.