JP2000111251A - Bathroom heating unit - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a bathroom heating unit in which optimum air conditioning control is performed in response to the shape of a bathroom. SOLUTION: A warm water air conditioner 10 includes an indoor machine 12 composed of indoor units 16, 18 disposed on the back of a ceiling of each of a bathroom 100 and a dressing room 102 where heating, drying, and ventilation are intended, an outdoor machine 14 disposed outside of a room, a main remote controller 104M installed on an internal wall surface in the dressing room 102, and a sub-remote controller 104S disposed at a position such as in a kitchen separated from the bathroom 100 and the dressing room 102. The indoor unit 16 includes a microcomputer, and when the bathroom 100 is heated, the shape of the bathroom is inputted into the microcomputer, and optimum air conditioning control is achieved in response to the input shape of the bathroom.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bathroom heating unit, and more particularly to a bathroom heating unit for heating a bathroom where a bather is present.

[0002]

2. Description of the Related Art Air-conditioners (hereinafter referred to as "air conditioners") have been generally provided in living rooms, such as living rooms and bedrooms, in order to achieve indoor air conditioning. It has been desired to install it and perform heating operation in winter.
Such demands have increased as air conditioners have become smaller, less expensive, and more energy efficient, and air conditioners have become more widespread and air conditioning throughout the entire house has expanded.

In the conventional bathroom heating, a cooling bathroom is preliminarily heated before bathing, and a heating operation is not performed during bathing.

[0004] Further, as a bathroom type, there are a so-called unit bath type and a bath by a conventional method (such as a tiled bus), which have different heat insulating power (heating load). The bathroom sometimes reached an abnormally high temperature.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned facts, and the above-mentioned problem which is not so problematic when there is no bather in the bathroom can be taken by the bather. The aim is to propose a bathroom heating unit that can be eliminated to a degree.

[0006]

According to the first aspect of the present invention, air in a bathroom where a bather is present is sucked into a unit.
Blowing means for blowing and circulating in a direction not directly hitting the bather, heating means for heating the air circulated by the blowing means in the unit, and the blowing means based on a preset air conditioning condition and Air conditioning control means for controlling the heating means.

[0007] The invention according to claim 2 is an air blowing means for sucking air in a bathroom where a bather is present into the unit, blowing the air in a direction not directly hitting the bather and circulating the air, and circulating by the air blowing means. Heating means for heating air in the unit, air conditioning control means for controlling the blowing means and the heating means based on preset air conditioning conditions,
Correction means for correcting the control by the air conditioning control means based on the shape of the bathroom or a construction method.

According to a third aspect of the present invention, the heating means includes:
The air is heated using hot water as a heat source.

According to the first aspect of the invention, the air in the bathroom where the bather is present is sucked into the unit and heated by the heating means, and the heated air is blown out into the bathroom by the blowing means and circulated. . The heating means and the blowing means are controlled based on preset air-conditioning conditions, for example, an air volume and a set temperature. At this time, control is performed so that air is blown out in a direction that does not directly hit the bather. Therefore, the area where the bather is present does not become too warm, and the bather does not feel uncomfortable. As a heat source of the heating means, for example, hot water heated by a water heater or the like may be used.

According to the second aspect of the present invention, the air in the bathroom where the bather is present is sucked into the unit and heated by the heating means, and the heated air is circulated in the bathroom by the blowing means. The heating means and the blowing means are controlled based on preset air-conditioning conditions, for example, an air volume and a set temperature. At this time, control is performed so that air is blown out in a direction that does not directly hit the bather. Therefore, the area where the bather is present does not become too warm, and the bather does not feel uncomfortable. In addition, the heating load may be different depending on the shape and construction method of the bathroom, for example, whether it is a unit bath or a bath using a conventional method (tiled bus, etc.), and air is blown out in a direction that does not directly hit the bather. May not warm up enough depending on the shape and construction of the bathroom. Therefore, the control by the air-conditioning control unit is corrected by the correction unit based on the shape of the bathroom, the construction method, and the like. For this reason, even when air is blown out in a direction that does not directly hit the bather, optimal air conditioning control can be performed according to the shape and construction method of the bathroom. In addition, the heat source of the heating means is defined in claim 3
As described in above, for example, hot water heated by a water heater or the like may be used.

[0011]

Embodiments of the present invention will be described below in detail with reference to the drawings.

FIG. 1 shows a schematic configuration when a hot water air conditioner 10 as a bathroom heating unit is applied to a bathroom 100 and a dressing room 102. As shown in FIG. 1, a hot water air conditioner 10 is installed outside a room 100 including a room 100 for heating, drying and ventilation, and indoor units 16 and 18 arranged behind the ceiling of a dressing room 102. The outdoor unit 14, a main remote controller 104 </ b> M installed on the inner wall surface inside the dressing room 102, and a sub remote controller 104 installed at a place away from the bathroom 100 such as a kitchen and the dressing room 102.
S and the like. In the hot water air conditioner 10, the hot water supplied from the outdoor unit 14
The heating operation is performed by circulating the air through 6, 18.

As shown in FIG. 2, the indoor units 16 and 18 of the hot water air conditioner 10 are provided with radiators (heating means) 20 and 22 which are heat exchangers for hot water in which hot water is circulated. The radiator 20 of the indoor unit 16 is, for example, a flexible hot water pipe (hereinafter, “hot water tube”).
30A, 30B), the radiator 22 of the indoor unit 18 is connected to the outdoor unit 14 via the indoor unit 16.
It is connected to the outdoor unit 14 via a hot water tube branched from.

One hot water tube 30A is connected to the outdoor unit 14
Is connected to the hot water inlet nipple 56A, and the other hot water tube 30B is connected to the hot water outlet nipple 56B of the outdoor unit 14. On the side of the indoor unit 12, a hot water tube 30B is connected to a hot water inlet nipple 66A, and hot water on-off valves 68A, 68B are connected to the hot water inlet nipple 66A.
Connected to the radiators 20 and 22 via the
0A is connected to the radiator 20, 2 through the hot water outlet nipple 66B.
2 are connected.

Further, in the outdoor unit 14, the hot water outlet nipple 56B is connected to the hot water inlet nipple 56A via the hot water heat exchanger 64, the pump 62 and the pressure tank 60, whereby the indoor unit 12 and the outdoor unit are connected. A closed circulation path of warm water is formed between the heating apparatus and the machine 14.

Although not shown in FIG. 2,
A hot water inlet sensor 32 and a hot water outlet sensor 34 for detecting the temperature of circulating hot water are provided at the inlet and outlet of the hot water of the indoor unit 16, and a hot water inlet sensor 36 and a hot water outlet sensor 38 for the hot water inlet and outlet of the indoor unit 18. Are provided respectively.

The outdoor unit 14 has a fuel for combustion from outside,
For example, a gas burner 70 to which gas is supplied is provided, and the hot water heat exchanger 64 is provided by the gas burner 70.
By heating the water, the water passing through the hot water heat exchanger 64 is heated to generate hot water. The gas burner 70
Are the gas solenoid valves 180A and 180B and the gas proportional valve 18
Gas is supplied via 2. Further, the pressure tank 60 is connected to the drain tank 72 via the pressure cap 58, and water (for example, distilled water) circulating in the hot water circulation path is discharged through the drain tank 72.

During the heating operation, the hot water air conditioner 10 operates the pump 62 and the gas burner 70 of the outdoor unit 14 and opens the hot water opening / closing valve 68A provided in the indoor unit 12 to circulate hot water to the indoor unit 16. The hot water opening / closing valve 68B is opened to circulate the hot water to the indoor unit 18.
At this time, in the outdoor unit 14, the detected temperature of the high-temperature thermistor (not shown) provided between the hot water heat exchanger 64 and the hot water outlet nipple 56B is a predetermined temperature of about 80 ° C. Thus, the amount of fuel supplied to the gas burner 70 for heating the hot water heat exchanger 64 is controlled. The degree of opening of the hot water on-off valves 68A, 68B is set according to the room temperature, the set temperature, and the like.

In the outdoor unit 14, when the water temperature (the temperature of the hot water) rises and the internal pressure exceeds a predetermined value (for example, 0.9 kg / cmU), the pressure valve of the pressure cap 58 operates, and the pressure cap 58 Hot water flows out from the pressure relief port provided to the drain tank 72 to prevent a pressure increase in the piping. Further, in the outdoor unit 14, when the temperature of the hot water decreases and the internal pressure becomes less than a predetermined value, the negative pressure valve operates to collect water from the drain tank 72.
The water overflowing from the drain tank 72 is discharged from a drain pipe connection port.

As shown in FIG. 3, the indoor unit 16 has a radiator 20 as a heat exchanger disposed in an air passage 42 surrounded by a casing 40, and a circulating fan 44 below the radiator 20. Are located. The air passage 42 is provided with an air inlet 46 and an air outlet 48. When the circulation fan (blower means) 44 is driven to rotate, the bathroom 1
00 is sucked into the radiator 20
And is blown out from the outlet 48 into the bathroom 100 again. This makes it possible to perform indoor air conditioning.

Further, a flap 5 is provided near the air outlet 48.
0 is provided, and the flap 50 can be turned in the direction of the arrow in the figure. That is, by changing the direction of the flap 50, the direction of the air blown into the room can be changed.
The direction of the flap 50 can be changed manually or automatically.

The indoor unit 16 is mounted near the center near the ceiling in the bathroom, and the air in the bathroom 100 sucked from the air inlet 46 provided at the center of the indoor unit 16 is arranged around the indoor unit 16. The air is returned from the outlet 48 into the bathroom 100. At this time, the angle of the flap 50 is set so that the conditioned air discharged from the outlet 48 is directed to the wall of the bathroom 100 so that the warm air for heating does not directly hit the bather near the center of the bathroom. can do. The indoor unit 16 is not limited to the vicinity of the center of the ceiling, but may be any position as long as the conditioned air discharged from the outlet 48 can be directed to the wall of the bathroom 100.

A ventilation duct 82 is provided in the casing 42. One is an intake port 84 for sucking air in the bathroom 100, and the other is an exhaust port for exhausting the sucked air. 86 is opened. A ventilation fan 88 for ventilating the interior of the bathroom 100 is arranged in the duct 82, and the ventilation fan 88 rotates to draw air in the bathroom 100 from an intake port 84 and to exhaust air from an exhaust port 86. By exhausting air to the room, the room is ventilated.

The indoor unit 18 provided behind the ceiling of the undressing room 102 is obtained by removing the ventilation duct 82 and the ventilation fan 88 from the indoor unit 16 described above. Although the detailed description is omitted because it is the same, the exhaust port of the indoor unit 18 communicates with the corridor as shown in FIG. Thus, since the indoor unit 18 has no ventilation fan,
A slit 108 is provided below the wall surface 106 between the dressing room 102 and the bathroom 100 so that air can flow from the dressing room 102 to the bathroom 100 so that the indoor unit 16 can ventilate the dressing room 100. Although not shown in FIG. 3, a suction temperature sensor 47 for detecting the temperature of the sucked air is provided near the air inlet 46. Similarly, a suction temperature sensor 49 is provided near the air inlet of the indoor unit 18.

As shown in FIG. 1, the indoor unit 16 and the indoor unit 18 are connected by a power supply line 110, and operate when power (100 VAC) is supplied from the power supply line 110. The indoor unit 16 includes a main remote controller 104M and a sub remote controller 1 as shown in FIG.
04S is connected via a remote control signal line 112. The indoor unit 16 controls the outdoor unit 14 by transmitting a control signal to the outdoor unit 14 via the communication line 114 in response to an operation signal from the remote controller.

The indoor unit 16 includes a microcomputer 120 and a control board 122 having an external ROM 121, as shown in FIG. The control board 122 is supplied with AC power (100 V) for operation.
4, and this AC power is supplied to the power transformer 12
6, the voltage is reduced to a predetermined voltage. The power supply transformer 126 is connected to a temperature fuse 128.

A circulating fan motor 130 for driving the circulating fan 44 is provided on the control board 122.
Ventilation fan motor 13 for driving ventilation fan 88
2 is connected to the circulation fan motor 130 and the ventilation fan motor 132.
4 and 136 are respectively connected. Further, the circulating fan motor 130 controls the power supply frequency switching unit 138 to switch between 50 Hz and 6 Hz depending on the frequency of the supplied AC power.
It can be switched to any of 0 Hz.

In addition, the control board 122 includes a hot water on-off valve 68, a suction temperature sensor 47, and a hot water inlet sensor 3.
2. The hot water outlet sensor 34, the main remote controller 104M, and the sub remote controller 104S are connected.

The microcomputer 120 is connected to the main remote controller 104
When an operation signal transmitted from M or the sub remote controller 104S is received, the air conditioning operation based on the operation signal is started. That is, the microcomputer 120 controls the main remote controller 1
The circulation fan 44 and the hot water on-off valve 68, based on the operation mode set by the 04M or the sub remote controller 104S and the suction temperature detected by the suction temperature sensor 47,
The outdoor unit 14 and the like are controlled to perform an air-conditioning operation so that the interior of the bathroom 100 has a set temperature. At this time, the microcomputer 120 detects the suction temperature at predetermined time intervals, and controls based on the detection result to maintain an appropriate room temperature. The outdoor unit 14 includes a control board including a microcomputer and the like.
4 is controlled based on a control signal transmitted through the control signal 4.

Further, the control board 122 is provided with a bathroom switching input terminal 140, and the terminal is short-circuited (short-circuited) by a jumper wire 142 or the like or opened (opened) to apply the hot water air conditioner 10. The configuration of the bathroom can be set as a unit bath or a conventional bath (in the present embodiment, it is set as a unit bath). Further, information for performing optimal air conditioning control according to the shape of the bathroom is stored in advance in the external ROM 121, and air conditioning control is performed based on this information (described later). The setting of the bathroom configuration is not limited to the jumper line 142, and may be switched by providing a switch, or the bathroom configuration may be stored in the external ROM 121 and read by the microcomputer 120 for switching. You may.

The indoor unit 18 includes a control board 152 having a microcomputer 150 as shown in FIG. Operating AC power (100 V) is supplied to the control board 152 to the terminal 154 via the indoor unit 16, and the AC power is stepped down to a predetermined voltage by the power transformer 156.

A circulating fan motor 158 for driving a circulating fan (not shown) is connected to the control board 152, and a fan motor capacitor 160 is connected to the circulating fan motor 158. Further, the circulation fan motor 158 is connected to the power supply frequency switching unit 16.
2, 50 according to the frequency of the supplied AC power.
Hz or 60 Hz.

In addition, the hot water opening / closing valve 68, the suction temperature sensor 49, the hot water inlet sensor 3
6. The hot water outlet sensor 38 is connected.

The control board 152 is connected to the control board 122 via a communication line 115. When an operation relating to the dressing room 102 is performed by the main remote controller 104M or the sub remote controller 104S, an operation signal is transmitted from the control board 122, and The air-conditioning operation based on the operation signal is started. That is, the microcomputer 150
Is the main remote controller 104M or the sub remote controller 104
Based on the operation mode set by S and the suction temperature detected by the suction temperature sensor 49, the circulating fan motor 158, the hot water on-off valve 68, the outdoor unit 14, and the like are controlled.
The air-conditioning operation is performed so that the inside of the bathroom 100 becomes the set temperature.
At this time, the microcomputer 150 detects the suction temperature at predetermined time intervals, and controls based on the detection result to maintain an appropriate room temperature.

The control board 152 is provided with a ventilation interlocking switching input terminal 166, and the ventilation fan is connected by short-circuiting (short-circuiting) or opening (opening) this terminal by a jumper wire 168 or the like. Without using the indoor unit 16 of the bathroom 100 for ventilation, or by connecting a ventilation fan to the connector 170,
0, it is possible to set whether or not the dressing room 102 can be ventilated independently (a ventilation fan is not connected in the present embodiment). Air-conditioning control according to the air conditioner. Note that the jumper wire 16
8, a switch may be provided for switching, and information on whether or not to connect a ventilation fan may be transmitted to an external RO.
Alternatively, the program may be stored in M or the like and read by the microcomputer 150 so as to be switched.

FIG. 6 shows the main remote controller 104M. The sub remote controller 104S has the same configuration as the main remote controller 104M, and a description thereof will be omitted. The main remote controller 104M includes a ventilation / cool air switch 172 and a heating switch 173 for a dressing room, a drying switch 174 for a bathroom, a ventilation switch 175 and a heating switch 176,
An off timer setting switch 177 is provided.

In the main remote controller 104M, a ventilation mode in which the inside of the undressing room 102 is ventilated by operating the ventilation / cool air switch 172 for the undressing room is set, and the inside of the undressing room 102 is heated by operating the heating switch 173. The heating mode is set. The ventilation / cool air switch 172 and the heating switch 173 are configured such that the air volume is sequentially switched to “strong wind”, “weak wind”, and “off” each time the switch is pressed.

Similarly, by operating the ventilation switch 175 for the bathroom, the ventilation mode for ventilating the interior of the bathroom 100 is set, and by operating the heating switch 176, the heating mode for heating the interior of the bathroom 100 is set. Further, by operating the drying switch 174, the bathroom 10
It becomes the drying mode in which the inside of 0 is dried. Each time the ventilation switch 175 and the heating switch 176 are pressed, the air volume is sequentially switched to “strong wind”, “weak wind”, and “off”, and the drying switch 174 is pressed every time the switch is pressed. Mode, "wall surface drying mode", and "off".

In the heating mode of the bathroom, when the air volume is set to a strong wind, control suitable mainly for warming up the bathroom as preliminary heating is performed. Control suitable for warming is performed.

Further, each time the right side of the off timer setting switch 177 is pressed, the off timer remaining time becomes 30 hours until 2 hours.
The timer can be set to off for up to four hours every minute, over two hours, every minute. Further, each time the left side of the off timer setting switch 177 is pressed, the off timer remaining time decreases.

Next, the operation of the present embodiment will be described.

In the hot water air conditioner 10, the main remote controller 1
The operation mode, the cut-off timer time, and the like are set by the operation of 04M or the sub remote controller 104S, and the air conditioning operation in the operation mode according to the setting is started.

The heating control when the user operates the heating switch 176 of the main remote controller 104M or the sub remote controller 104S to select the heating operation of the bathroom will be described below with reference to the flowcharts shown in FIGS.

In step 200 shown in FIG. 7, it is determined whether the air volume of the heating operation is set to a strong wind or a weak wind.
When the wind is set to a low wind, a low wind control routine shown in FIG. 9 is executed in step 204. When the weak wind control is performed, the flap 50 is set at an angle at which air is blown toward the wall of the bathroom 100.

FIG. 8 shows a flowchart of the strong wind control routine. In step 300 shown in FIG. 8, a thermo point setting processing routine shown in FIG. 10 is executed. FIG.
In step 500 shown in FIG. 0, the HIGH-side thermo point TH and the LOW-side thermo point TL for determining the conditions for turning on / off the hot water on-off valve 68 and the gas burner 70 according to the air suction temperature in the bathroom 100 are determined by the microcomputer 120. From the external ROM 121. This TH and T
L differs depending on the set air volume and the shape of the bathroom, and an initial value is set as follows as an example.

[0046]

[Table 1] The microcomputer 120 checks whether the bathroom switching input terminal 140 is short-circuited or opened, determines whether the applied bathroom configuration is a unit bath or a conventional bus, and determines according to the configuration of the bathroom. Set TH and TL.

Next, in step 502, it is determined whether or not one hour (two hours in the case of a conventional bus) has elapsed since the heating mode was stopped. Proceeding to 504, if one hour or more has not elapsed, it is determined in step 506 whether or not the continuous operation time of the previous heating mode was less than 20 minutes (less than 40 minutes in the case of a conventional bus). If less than step 50
Proceed to 4 and return if it is longer than 20 minutes.

In step 504, the suction temperature of the air in the bathroom 100 sucked by the ventilation fan 44 is detected by the suction temperature sensor 47, and the detected suction temperature becomes 1
It is determined whether the temperature is 0 ° C. or more. If the temperature is 10 ° C. or more, TH and TL are set in steps 508 and 510.
Are lowered by 3 ° C. (2 ° C. for a conventional bus).
If the suction temperature is not higher than 10 ° C, go to Step 5
At 12 it is determined whether the suction temperature is 5 ° C. or more and less than 10 ° C. If the determination is negative, the process returns. If the determination is affirmative, TH and TL are set to 2 ° at steps 514 and 516, respectively. C (1 ° C for conventional bus).

Then, in step 302 shown in FIG. 8, the hot water on-off valve 68 is opened and the pump 62 is operated, and in step 304, the gas burner 70 is ignited. Thereby, the circulation of water (hot water) is started, and the water passing through the hot water heat exchanger 64 is heated to generate hot water of a predetermined temperature, and the hot water is circulated. Thereby, in the indoor unit 16, the sucked air is heated by the radiator 20, and the heated air is blown out from the outlet 48 toward the bathroom 100. Therefore, the temperature in bathroom 100 gradually increases.

Next, at step 306, when the suction temperature is T
Judge whether the state of H or more continues for 5 seconds or more,
If it has continued for 5 seconds or more, the hot water on-off valve 68 and the gas burner 70 are turned off in steps 308 and 310, and heating in the bathroom 100 is stopped. As a result, the temperature in the bathroom 100 gradually decreases. If the state where the suction temperature is equal to or higher than TH has not continued for 5 seconds or longer, it is determined in step 312 whether the state where the suction temperature is equal to or lower than TL has continued for 5 seconds or longer. If it has continued for 5 seconds or more, the hot water on-off valve 68 and the gas burner 70 are turned on in steps 314 and 316. Thereby, heating of bathroom 100 is started again. For this reason, the temperature in bathroom 100 rises again.

The above operation is repeated until the heating switch 176 of the main remote controller 104M or the sub remote controller 104S is operated to change the operation mode (step 318). FIG. 11 shows a timing chart of the above operation. As described above, the on / off of the hot water on-off valve 68 and the gas burner 70 is controlled in accordance with the suction temperature.
00 can be maintained at a temperature within a predetermined range. Further, since TH and TL are set according to the shape of the bathroom, it is possible to perform optimal air conditioning control according to the shape of the bathroom.

FIG. 9 shows a flowchart of the low wind control routine. In step 400, the above-described thermo point setting process is performed, and in steps 402 and 404, the hot water on-off valve 68 and the gas burner 70 are turned on. Thereby, the air in bathroom 100 is warmed. Then, in step 406, a flag for performing the duty control described later is set.

In step 408, it is determined whether or not the state in which the suction temperature is equal to or higher than TH has continued for 5 seconds or longer. If it is determined that the state has continued for 5 seconds or longer, the flag is cleared in step 410 and the step Proceeding to 412, if it is determined that the suction temperature has not continued for 5 seconds or more, it is determined in step 414 whether the state where the suction temperature is equal to or lower than TL has continued for 5 seconds or more. If it is determined that it has continued for 5 seconds or more, the flag is set in step 416, and the process proceeds to step 412. If it is determined that it has not continued for 5 seconds or more, the process directly proceeds to step 412.

In step 412, it is determined whether or not a flag for performing duty control is set. If the flag is not set, in steps 418 and 420, the hot water on-off valve 68 and the gas burner 70 are set.
Is turned off. When the flag is set, the following duty control is performed. That is, step 42
At 2, it is determined whether or not the ON state of the hot water on-off valve 68 has continued for 17 minutes. If it has continued for 17 minutes or more, the hot water on-off valve 68 is turned off in step 424, and the gas burner 70 is turned on in step 426.

If a negative determination is made in step 422, it is determined in step 428 whether or not the OFF state of the hot water on-off valve 68 has continued for 3 minutes. The valve 68 is turned on again, and if it has not continued for 3 minutes, the routine proceeds to step 426 and the gas burner 70 is turned on. Thus, the hot water on-off valve 6
8 is turned on and off at predetermined time intervals.

The above operation is repeated until the operation mode is changed by operating the heating switch 176 of the main remote controller 104M or the sub remote controller 104S (step 4).
32). FIG. 12 shows a timing chart of the above operation. As described above, the duty control of the hot water on-off valve 68 is performed until the state where the suction temperature is equal to or higher than TH is equal to or longer than 5 seconds.
The temperature inside the bathroom 100 can be maintained within a predetermined range. Further, since TH and TL are set according to the shape of the bathroom, it is possible to perform optimal air conditioning control according to the shape of the bathroom.

In the present embodiment, a case has been described in which optimal air conditioning control is performed for each of two types of bathrooms, namely, a unit bath and a conventional bus. However, the present invention is not limited to this. The present invention may be applied to a case where there is a feature.

[0058]

As described above, according to the present invention, when a bather is present in the bathroom, the discharge direction of the hot air is directed to the wall of the bathroom so as not to hit the bather directly. In addition, there is an effect that optimal air-conditioning control can be performed according to a difference in heating load depending on a bathroom shape and a construction method.

[Brief description of the drawings]

FIG. 1 is a schematic configuration diagram of a hot water air conditioner applied to the present embodiment.

FIG. 2 is a schematic system diagram showing a flow path of hot water of the hot water air conditioner applied to the present embodiment.

FIG. 3 is a schematic sectional view showing an indoor unit.

FIG. 4 is a block diagram schematically showing a circuit configuration of the indoor unit.

FIG. 5 is a block diagram schematically showing a circuit configuration of the indoor unit.

FIG. 6 is a schematic front view showing an operation panel of the remote controller.

FIG. 7 is a flowchart showing a flow of a heating control routine.

FIG. 8 is a flowchart illustrating a flow of a strong wind control routine.

FIG. 9 is a flowchart illustrating a flow of a weak wind control routine.

FIG. 10 is a flowchart showing a flow of a thermo point setting routine.

FIG. 11 is a diagram showing a relationship between an intake temperature and on / off of a hot water on-off valve and a gas burner in strong wind control.

FIG. 12 is a diagram showing the relationship between the suction temperature and the on / off of the hot water on-off valve and the gas burner in the weak wind control.

[Explanation of symbols]

 Reference Signs List 10 hot water air conditioner 12 indoor unit 14 outdoor unit 16, 18 indoor unit 20, 22 radiator (heating means) 42 air path 44 circulation fan (blowing means) 47 suction temperature sensor 64 hot water heat exchanger 68 hot water open / close valve 70 gas burner 100 Bathroom 102 Changing room 120 Microcomputer (air-conditioning control means) 121 External ROM 140 Bathroom switching input terminal

Claims (3)

[Claims] 1. A blower for sucking air in a bathroom where a bather is present into a unit, and blowing the air in a direction not directly hitting the bather to circulate the air; and circulating air circulated by the blower in the unit. A bathroom heating unit comprising: heating means for heating; and air conditioning control means for controlling the blowing means and the heating means based on preset air conditioning conditions. 2. A blower for sucking air in a bathroom where a bather is present into the unit, blowing the air in a direction not directly hitting the bather to circulate the air, and circulating air circulated by the blower in the unit. Heating means for heating; air-conditioning control means for controlling the blowing means and the heating means based on preset air-conditioning conditions; and correction for correcting the control by the air-conditioning control means based on the shape or construction method of the bathroom. Means for heating a bathroom. 3. The bathroom heating unit according to claim 1, wherein the heating means is configured to heat the air using hot water as a heat source.