JPS61268926A - Air-conditioning method - Google Patents

Abstract

PURPOSE:To use a heat pump type foot warmer in place of an electric heater foot warmer by suspending an indoor unit of a heat pump air conditioner on the back surface of the foot warmer and using the foot warmer for space heating in winter, and for speed cooling or dehumidifying in summer and intermediate seasons. CONSTITUTION:An indoor unit 2 is suspended and fixed from and to the back surface of the foot warmer 1. In the space beating driving, when a switch 8 is turned ON, an air flow S1 induced by a blower 4 is heated at a heat exchanger 3 and turned into a hot air flow S2 which heats the room, and the temperature is adjusted to an appropriate value by a room temperature sensor 6 and a controller 8. In a space cooling operation, the foot warmer is set up and its legs 12 are folded inside, thus being installed near a window in the room. An air flow S 21 induced by the blower 4 is absorbed of its heat at the heat exchanger 3 and turned into a cool air flow S 22 to conduct space cooling. The temperature of the whole room is adjusted to an appropriate temperature, by the room temperature sensor 6 and the controller 8. In a defrosting operation, the rotation of the blower 4 is decreased as compared with the case of the space cooling operation, and the air flow amount is decreased and comfortable defrosting is carried out by the switch 7 and the controller 8.

Description

DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application This invention relates to an air conditioning method that is used as a heater or kotatsu in the winter, and as a cooler or dehumidifier in the summer and intermediate seasons.

(b) Conventional technology In Japan, the kotatsu is an indispensable heating device for family bungalows during the winter. Among the kotatsu types, electric kotatsus are the most popular in terms of convenience, but they have nine drawbacks.

(1) Since it is an electric heater, there is a risk of fire or burns due to overheating.

(2) Air conditioning only has a heating function, so other equipment is required for cooling and dehumidification.

It only stops at 1°, which is lower than the approximately 5° of heat pump heating, and the running cost is high.

(4) It is a nuisance to place it in the room outside the heating season.
There are many cases where people buy things at a high price and still clean them up.9 It takes a lot of effort, but you need to find a way to use it during the off-season.

(c) Problems to be Solved by the Invention The present invention includes (1) a heat pump kotatsu instead of an electric heater kotatsu;

Achieving a kotatsu without worrying about overheating or fire caused by forgetting to turn the kotatsu off.

(1) Low running costs due to high performance series.

(4) The temperature of hot air during heat pump heating is approximately 40°C, making it suitable for kotatsu.

(lv) Can be used in all seasons with heating, cooling, and dehumidification.

(2) It was prototyped and submitted to the first idea contest held in 1982 at the Nagoya Research Center of our company (Mitsubishi Heavy Industries, Ltd.).

B) Means for Solving the Problems The present invention suspends and installs an indoor unit of a heat pump air conditioner comprising a heat exchanger, a blower, a controller, etc. on the back side of a kotatsu.

In the winter, it is used as a heater or kotatsu that blows hot air downward, and in the summer and intermediate seasons.

D l (1) An air conditioning method characterized in that a kotatsu is propped up and used for cooling or dehumidification as an air conditioner or dehumidifier that blows cold air or dry air horizontally or upwardly.
) The heat source of the kotatsu is a heat pump, (2) it can be used as a kotatsu by covering it with a futon when heating, or it can be used as a heater for the entire room without a futon, and (3) when cooling or dehumidifying, the kotatsu can be used upright to warm the room. Can be installed on the wall.

(4) The present invention aims to provide an air conditioning method in which an indoor unit of a heat pump air conditioner is built into a kotatsu, and can be applied to a heat pump air conditioner.

An embodiment of the air conditioning method of the present invention will be described with reference to FIG. FIG. 1 shows a schematic diagram of an embodiment of the air conditioning method of the present invention. 1 is a kotatsu.

2 is an indoor unit, 3 is a heat exchanger, 4 is a blower, 5 is a piping unit, 6 is a room temperature sensor, 7 is a humidity switch, 8 is a switch and controller, 9 is a drain pan, 10 is a futon, 11 is a top plate, 12 indicates the legs. Indoor unit and outdoor unit (compressor, heat exchanger, not shown).

(consisting of a blower, etc.) and a piping unit 5 (consisting of refrigerant piping, drain pipes, and wiring).

The indoor unit 2 is suspended and fixed on the back surface of the tombstone 1.

(e) Function (Winter season) Heating operation: As shown in Figure 1, the kotatsu can be used with a futon over it, or it can be used as a heater without it.Turn on the switch 8.

An outdoor unit (not shown) absorbs heat from the outside air, causing high temperatures.
The high-pressure refrigerant gas is supplied to the indoor unit from the piping unit 5. The refrigerant gas exchanges heat with the wind S1 induced by the blower 4 in the heat exchanger 5, radiates heat and condenses to become a refrigerant liquid, which returns to the outdoor unit via the piping unit 5. At this time, the wind S is heated and generates warm air S, and the room temperature sensor 6 and controller 8 adjust the temperature to an appropriate temperature.

(2) Summer: Cooling operation: As shown in Fig.
is folded internally and installed against the wall of one room.

The refrigerant liquid sent from the outdoor unit (not shown) exchanges heat with the wind 821 induced by the blower 4 in the heat exchanger 3, absorbs heat, evaporates, becomes refrigerant gas, and returns to the outdoor unit via the piping unit 5. At this time, the wind S21 absorbs heat and cools the room as a cold wind 822. The cold wind 822 can reach far horizontally or upwardly, and the room temperature sensor 6 and controller 8 adjust the temperature of the entire room to an appropriate temperature. In addition, the moisture dehumidified by the wind S21 is received by the drain pan 9 and is discharged outdoors from the piping unit 5.

(3) Intermediate period (spring, autumn): The dehumidifying operation usage status, drain discharge status, and refrigerant cycle are the same as in item (2).

In the dehumidifying operation, the rotation of the blower 4 is much lower than in the cooling operation, and the air volume is low, and the dehumidifying switch 7 and controller 8 are
Generally, the thermal drying method removes moisture without extremely cooling the entire room (using the humidity switch 7, room temperature sensor 6, and controller 8).2 The compressor and blower in the outdoor unit (not shown) and the blower in the indoor unit 4 This method provides comfortable dehumidification (a method that dehumidifies air intermittently without lowering the room temperature).

B) Effects of the Invention The present invention achieves the following effects due to the above configuration.

(Real season air conditioning, heating (heat pump kotatsu or heat pump heating), cooling, and dehumidification.

(2) Low running cost...for a kotatsu with a futon, it is about 3 to 2 degrees lower than the conventional price (3) High safety...the long-cherished desire of a kotatsu to prevent fires.

Realizing a kotatsu that you don't have to worry about getting burned.

(4) Convenient: Unlike traditional kotatsu, there is no need to put it away during the off-season.

(5) Comfortable: When heating, you can keep your head cold and your feet warm; when cooling, you can comfortably control the temperature of the entire room.

[Brief explanation of the drawing]

FIG. 1 is a schematic block diagram of an embodiment of the air conditioning method of the present invention, and FIG. 2 is a schematic block diagram of the usage of the air conditioner during the summer season. 1...Kotatsu, 3...Heat exchanger, 4...Blower, 8...Switch and controller, 2...
・Indoor unit. Figure 1

Claims (1)

[Claims] On the back of the kotatsu, an indoor unit of a heat pump air conditioner consisting of a heat exchanger, blower, controller, etc. is hung and installed, and in the winter it is used as a heater or kotatsu by blowing warm air downward, and in the summer and mid-season it is used for heating. is an air conditioning method characterized in that a kotatsu is propped up and used as an air conditioner or dehumidifier for cooling or dehumidifying air by blowing cold or dry air horizontally or upwardly.