JPH0814623A - Air conditioner - Google Patents

Abstract

PURPOSE:To so control a temperature that a human body is not exposed to abrupt temperature change at the time after bathing in a dressing room, etc. CONSTITUTION:An air conditioner comprises living room temperature detecting means 19 for detecting a temperature in a living room 5, bathroom temperature detecting means 11 for detecting a temperature in a bathroom 1, a dressing room and the like, temperature detecting means 17 for detecting a temperature in a dressing room 3 and means 13, 15 for detecting that a person is bathing and that the bathing is finished. The conditioner first detects that the person is bathing. Then, it sets the temperature in the room 3 to the vicinity of the temperature of the bathroom 1 to be air conditioned. When the person finishes the bathing, or when the entrance of the person from the bathroom 1 to the room 3 is detected, the temperature of the room 3 is gradually approached to the temperature of the room 5.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner used for air conditioning a dressing room or the like. In particular, the present invention relates to an air conditioner capable of controlling the temperature so that the human body is not exposed to a sudden temperature change when the air flows up.

[0002]

2. Description of the Related Art It is known that elderly people are at risk of losing their health (heart attack, cerebral hemorrhage, etc.) when exposed to sudden changes in air temperature around them. For example, there is such a danger when entering a cold toilet or bathroom from a heated living room (a room where people usually live), and heating the toilet or bathroom to reduce or prevent it. There is also.

[0003]

However, contrary to the above case, there is a considerable change in temperature when the user goes up from the floor and enters the living room from the bathroom. For example, the bathroom temperature is 35 ° C
The temperature may rise up to about 15 degrees Celsius when entering a room at about 20 degrees Celsius. Heretofore, measures against the temperature change in such a case have not been often adopted as an air conditioner.

An object of the present invention is to provide an air conditioner capable of controlling the temperature in a dressing room or the like so that the human body is not exposed to a sudden temperature change when the floor rises.

[0005]

In order to solve the above problems, an air conditioner of the present invention is an air conditioner for adjusting the temperature of a room (hereinafter referred to as a changing room) which can be closed between a bathroom and a living room. A room temperature detecting means for detecting the temperature in the living room, a bathroom temperature detecting means for detecting the temperature in the bathroom, a temperature detecting means for the changing room, etc. for detecting the temperature in the changing room, etc. Bathing detection means to detect that there is something, bathing end detection means to detect that a person has finished bathing, and when a person is taking a bath, set the temperature inside the dressing room etc. near the bathroom temperature However, when a person finishes taking a bath, the temperature control means for the undressing room or the like is provided to lower the set temperature of the undressing room or the like within a predetermined time to air-condition.

An air conditioner according to one aspect of the present invention is a room temperature detecting means for detecting a temperature inside a living room, a bathroom temperature detecting means for detecting a temperature inside a bathroom, and a dressing room for detecting a temperature inside a dressing room or the like. Isothermal detecting means, human body detection sensor for detecting movement of person between bathroom and dressing room, etc., judges whether the person in the bathroom is bathing, and if so, inside the dressing room, etc. The temperature of the changing room is set near the bathroom temperature, and when a person moves from the bathroom to the changing room, the temperature of the changing room is lowered to the room temperature within a predetermined time, and the temperature of the changing room is changed. And a control means.

An air conditioner according to one aspect of the present invention is an air conditioner for adjusting the temperature of a closable room between a bathroom and a living room; it detects the temperature difference between the temperature inside the living room and the temperature inside the dressing room and the like. First
Temperature difference detecting means, a second temperature difference detecting means for detecting a temperature difference between the bathroom and the changing room, and an entrance / exit determining means for determining an entrance / exit of a person between the changing room and the bathroom. When,
Temperature control means for adjusting the temperature of the changing room, etc.,
In the temperature control means, the entrance / exit determination means determines that a person has entered the bathroom from the dressing room or the like, and the second temperature difference detection means causes the temperature in the bathroom to become a predetermined temperature or higher than the temperature in the dressing room or the like. If it is detected that the temperature of the dressing room, etc. is adjusted to be close to the temperature of the bathroom within a predetermined time, while the entrance / exit determination means determines that a person has entered the dressing room, etc. from the bathroom. Based on the output signal of the first temperature difference detecting means, the temperature of the undressing room or the like is adjusted so as to be close to the temperature of the living room within a predetermined time.

[0008]

In the air conditioner of the present invention, first, it is detected that a person is taking a bath. For example, it is detected that a person enters the bathroom from a dressing room or the like, and it is determined whether or not this person is taking a bath. Next, when it is determined that the user is taking a bath, the temperature inside the dressing room or the like is set near the bathroom temperature and air conditioning is performed. That is, the temperature of the dressing room or the like is brought close to the bathroom temperature in advance so that a person who comes out of the bathroom will not be exposed to a sudden temperature change. Then, when a person finishes taking a bath, for example, when a person enters the dressing room from the bathroom, it is exposed to a sudden temperature change when the person leaves the bathroom. To prevent this, keep the temperature in the changing room close to the room temperature. Typically,
A person stays in the dressing room or the like for about 5 minutes on the upside of the floor, so that the temperature around them is gradually changed by utilizing this period. Therefore, the human body is not exposed to sudden temperature changes, and the health risk is reduced.

[0009]

Embodiments of the present invention will be described below. Figure 1
FIG. 1 is a diagram showing an air conditioner according to an embodiment of the present invention and a state inside a house in which the air conditioner is provided.

In the house shown in FIG. 1, a bathroom 1, a dressing room 3 and a living room 5 are connected from the left side of the drawing. Between each room,
A door 2 and a door 4 are provided. The dressing room 3 has a door 2
Also, it can be closed by closing the door 4 (air does not flow much between the chambers). A bathtub 7 is placed in the bathroom 1.

Main body 21 of an air conditioner according to an embodiment of the present invention
Is installed on the upper side wall of the dressing room 3. Temperature sensors (bathroom temperature sensor 11, undressing room temperature sensor 17, living room temperature sensor 19) that detect the temperature of each room are installed on the ceiling of each room.

In order to detect the movement of a person between the bathroom and the dressing room, in the bathroom 1 and the dressing room 3, there are human body detection sensors (bathroom human body detection sensor 13, undressing) on the ceiling (or side wall) in front of and behind the door 2. A human body detection sensor 15) is attached. For example, these human body detection sensors are infrared detection type human body detection sensors. Air conditioner controller 23
(Actually, it is inside the air conditioner main body 21) receives the signals from the above-mentioned temperature sensor and human body detection sensor to control the air conditioning.

The control of the air conditioner shown in FIG. 1 will be described.
First, when a person enters the dressing room 21 from the living room 5 and comes to the front of the door 2, the dressing room human body detection sensor 15 detects this person. Then, when the person opens the door 2 and enters the bathroom 1, the bathroom human body detection sensor 13 detects this person. Next, if this person stays in the bathroom for a certain period of time or more and the temperature of the bathroom temperature sensor 11 rises, it is determined that the person in the bathroom is taking a bath. Note that this determination can also be made based on information from a signal from a button operated by a human, a signal indicating a usage state of the water heater, or the like.

When it is determined that a person in the bathroom is taking a bath, the temperature of the dressing room is set near the bathroom temperature and air conditioning is performed. For example, when the bathroom temperature is 35 ° C. and the changing room temperature is 20 ° C., the changing room temperature setting is set to 32 ° C., and the air conditioner main body 21 performs the heating operation.

Next, when a person moves from the bathroom 1 to the dressing room 3 through the door 2 after bathing, the human body detection sensors 13 and 15 detect this. Therefore, this time, the set temperature of the air conditioning is lowered to approach the temperature of the living room over a predetermined time. For example, undressing room temperature 32 ℃, living room temperature 20 ℃
If it is, set the air conditioning temperature to 22 ° C over 5 minutes.
To lower. Then, even when a person enters the living room 5, the temperature change around him does not feel.

FIG. 2 is a diagram showing a configuration example of the controller 23. FIG. 3 is a flowchart showing a procedure of control operation in the controller 23 having the configuration shown in FIG. Less than,
A configuration example of the controller 23 will be described with reference to FIG.

First, the controller 23 shown in FIG. 2 has sensor signal conversion circuits 24a, 24b, 24 for changing the sensor outputs of the temperature sensors 11, 17, 19 into appropriate voltage signals.
c, and these sensor signal conversion circuits 24a, 24b, 24
A first multiplexer (abbreviated as “MPX (1)” in FIG. 2) 25a that selects and outputs the output signal of c, and a first multiplexer that converts an analog signal input via this multiplexer 25a into a digital signal. Analog-to-digital converter (abbreviated as "A / D (1)" in Fig. 2) 2
6a and sensor signal conversion circuits 27a and 27b for converting the output signals of the human body detection sensors 13 and 15 into appropriate voltage signals.
And comparators 28a and 28b for determining whether or not the output signals of the human body detection sensors 13 and 15 input via the sensor signal conversion circuits 27a and 27b exceed a predetermined threshold value.
And a second multiplexer that selects and outputs the output signals of the comparators 28a and 28b ("MPX" in FIG. 2).
(Abbreviated as "(2)") 25b and the second multiplexer 25
A second analog-to-digital converter (abbreviated as "A / D (2)" in FIG. 2) 26b for converting an analog signal input via b to a digital signal, and first and second
CPU for controlling the operation of the air conditioner main body 21 based on the input signals from the analog / digital converters 26a, 26b
29, and an interface circuit (abbreviated as “I / F” in FIG. 2) 30 that serves as an interface between the CPU 29 and the air conditioner main body 21.

The CPU 29 executes the operation control by the controller 23 for the air conditioner main body 21 described above with reference to FIG. 1, and includes a storage unit, an input / output unit and the like (not shown).
It is a so-called microcomputer having a well-known and well-known configuration having a. FIG. 3 shows a flow chart showing the procedure of the control operation executed by the CPU 29, but this control flow is basically the same as the operation of the present apparatus described above with reference to FIG. Is. The operation of the present apparatus having the configuration of FIG. 2 will be described below with reference to FIG.

First, the second multiplexer 25 determines whether or not a person has entered the bathroom 1 by the start of the operation of the CPU 29.
The determination is made based on the respective sensor outputs of the changing room human body detection sensor 15 and the bathroom human body detection sensor 13 read via b and the second analog-digital converter 26b (step 100 in FIG. 3). If changing room 3 to bathroom 1
When a person enters, a signal of a certain level is sequentially read into the CPU 29 as sensor outputs of the changing room human body detection sensor 15 and the bathroom detection sensor 13, so it is determined that a person has entered the bathroom 1 (in the case of YES), and the bathroom temperature It will be determined whether or not the rise in temperature has risen above a predetermined temperature (step 102 in FIG. 3).

The determination of the increase in the bathroom temperature is based on the fact that the sensor output of the bathroom temperature sensor 11 read by the CPU 29 through the first multiplexer 25a and the first analog-digital converter 26a is equal to or more than a predetermined change amount. When it is determined that a predetermined temperature rise has occurred (YES), the temperature adjustment process described below (step 10 in FIG. 3) is performed.
6) is performed.

On the other hand, when it is determined that the predetermined temperature has not risen (in the case of NO), it is determined whether or not the state has continued for a predetermined time or longer (step 104 in FIG. 3), and the predetermined time or longer is determined. If it is determined that the time has elapsed (in the case of YES), it is determined that it is not bathing, and the process returns to the previous step 100, and the above-described operation is repeated, while if it is determined that the predetermined time or more has not elapsed (the case of NO) Then, the determination of the bathroom temperature rise in step 102 is performed again.

In the temperature adjustment in step 106, the sensor outputs of the bathroom temperature sensor 11 and the changing room temperature sensor 17 are sequentially read into the CPU 29 through the first multiplexer 25a and the first analog-digital converter 26a, and the changing room is read. CPU2 so that the temperature is near the bathroom temperature
This is achieved by sending a necessary control signal from 9 to the air conditioner main body 21 via the interface circuit 30. Here, the control signal sent to the air conditioner main body 21 means, for example, a signal for raising (or lowering) the blowout temperature from the air conditioner main body 21 or stopping the air blow from the air conditioner main body 21. To do.

By thus adjusting the temperature of the changing room to a temperature near the bathroom, a user who has finished bathing and entered the changing room 3 from the bathroom 1 can feel a comfortable temperature without feeling a great difference in temperature. It is possible to change clothes, and the influence of the temperature difference on the body is suppressed as much as possible.

After the temperature of the undressing room 3 is adjusted as described above, it is determined whether or not a person has left the bathroom 1 via the second multiplexer 25b and the second analog / digital converter 26b. It is determined whether or not the input sensor outputs of the bathroom human body detection sensor 13 and the changing room human body detection sensor 15 have reached predetermined values (step 10 in FIG. 3).
8). Then, it is determined that a person has left the bathroom 1 (YE
In the case of S), the temperature of the undressing room 3 is adjusted again as described below (step 110 in FIG. 3).

That is, the sensor outputs of the dressing room temperature sensor 17 and the living room temperature sensor 19 are taken into the CPU 29 via the first multiplexer 25a and the first analog-digital converter 26a, and the dressing room temperature and the living room temperature are measured. To be done. Then, the temperature of the changing room is adjusted by sending a necessary control signal from the CPU 29 to the air conditioner main body 21 via the interface circuit 30 so that the changing room temperature becomes close to the living room temperature in about 5 minutes. It has become. As a result, the temperature of the changing room gradually approaches the temperature of the living room while changing clothes, so that the user can move from the changing room to the living room without feeling a significant difference in temperature. The impact will be suppressed as much as possible.

In this embodiment, the first temperature difference detecting means are the changing room temperature sensor 17 and the living room temperature sensor 1.
9. The sensor outputs of these sensors 17 and 19 are stored in the CPU 29.
Sensor signal conversion circuits 24b, 24c for input to
The first multiplexer 25a, the first analog-digital converter 26a, the CPU 29, and the arithmetic processing for obtaining the temperature difference in the CPU 29 (step 11 in FIG. 3).
It is performed during the processing of 0)).

The second temperature difference detecting means is a bathroom temperature sensor 11, a changing room temperature sensor 17, and these sensors 1.
Sensor signal conversion circuits 24a and 24b for inputting sensor outputs 1 and 17 to the CPU 29, a first multiplexer 25a, a first analog-digital converter 26a,
It is composed of a CPU 29 and a calculation process for obtaining a difference in the CPU 29 (performed during the processes of steps 102 and 106 in FIG. 3).

Further, the entrance / exit determination means is a bathroom human body detection sensor 13, a changing room human body detection sensor 15, sensor signal conversion circuits 27a and 27b for inputting sensor outputs of these sensors 13 and 15 to the CPU 29, a comparator 28a, Two
8b, the CPU 29, and FIG. 3 executed by the CPU 29.
It is configured to include the respective processes of steps 100 and 108. Still further, the temperature control means is the CPU 2
9, the interface circuit 30, the air conditioner main body 23, and the CPU 29 execute steps 106 and 110 in FIG.
It is composed of each processing of.

In the above-described embodiment, when it is determined whether or not the bath is taken in the bathroom 1, it is determined whether or not the bathroom temperature has risen (step 102 in FIG. 3). It is not necessary to determine whether or not the temperature has risen. For example, as already described in the description of FIG. 1, whether or not a water heater (not shown) is used,
Needless to say, the determination may be made based on whether hot water is filled in the bathtub 7 or the like.

As a method for determining whether or not hot water is filled in the bathtub 7, for example, a commonly used water level indicator for the bathtub is diverted, and whether or not hot water is filled in the bathtub by the water level indicator is used. If there is hot water, it is determined that there is a bath, and the next process (step 1 in FIG. 3) is performed.
It is possible to move to 06).

[0031]

As is apparent from the above description, in the air conditioner of the present invention, the temperature of the changing room is kept close to the bathroom temperature so that the person coming out of the bathroom is not exposed to a sudden temperature change. When a person enters the dressing room from the bathroom, gradually bring the temperature of the dressing room closer to the room temperature so that the person is not exposed to sudden temperature changes when leaving the room. Since the temperature around the destination is gradually changed,
The human body can be reduced in health risk without being exposed to sudden temperature changes.

[Brief description of drawings]

FIG. 1 is a diagram illustrating an air conditioner according to an embodiment of the present invention and a state of a house in which the air conditioner is installed.

FIG. 2 is a configuration diagram showing a configuration example of a controller.

FIG. 3 is a flowchart showing a flow of control operation by a CPU used in the controller shown in FIG.

[Explanation of symbols]

1 Bathroom 2 Door 3 Undressing Room 4 Door 5 Living Room 7 Bathtub 11 Bathroom Temperature Sensor 13 Bathroom Human Body Detection Sensor 15 Undressing Room Human Body Detection Sensor 17 Undressing Room Temperature Sensor 19 Living Room Temperature Sensor 21 Air Conditioner Main Unit 23 Controller 24a-24c
Sensor signal conversion circuit 25a First multiplexer 25b Second multiplexer 26a First analog-digital converter 26b Second analog-digital converter 27a, 27b Sensor signal conversion circuit 28a, 28b Comparator 29 CPU 30 Interface circuit

Claims (6)

[Claims] 1. An air conditioner for adjusting the temperature of a closable room (hereinafter referred to as a changing room) between a bathroom and a living room;
A room temperature detecting means for detecting the temperature in the living room, a bathroom temperature detecting means for detecting the temperature in the bathroom, a temperature detecting means for the changing room, etc. for detecting the temperature in the changing room, etc. Bathing detecting means for detecting, bathing completion detecting means for detecting that a person has finished bathing, and when a person is bathing, set the temperature inside the changing room near the bathroom temperature to air-condition, When a person finishes bathing,
An air conditioner, comprising: a temperature control means for the undressing room and the like, which cools the set temperature of the undressing room or the like to a room temperature within a predetermined time period and performs air conditioning. 2. An air conditioner for adjusting the temperature of a closable room between a bathroom and a living room; a room temperature detecting means for detecting a temperature inside the room, and a bathroom temperature detecting for detecting a temperature inside the bathroom. Means, a temperature detecting means for detecting the temperature in the changing room, a human body detection sensor for detecting movement of a person between the bathroom and the changing room, and whether or not a person in the bathroom is taking a bath. If you are taking a bath, set the temperature inside the dressing room etc. near the bathroom temperature to air-condition, and when a person moves from the bathroom to the dressing room etc., undress within a predetermined time to reach the room temperature. An air conditioning system comprising: a temperature control means for a dressing room and the like, which cools a set temperature of the room and the like to perform air conditioning. 3. An air conditioner for adjusting the temperature of a closable room between a bathroom and a living room; first temperature difference detection means for detecting a temperature difference between the temperature inside the living room and the temperature inside the dressing room and the like. A second temperature difference detecting means for detecting a temperature difference between the bathroom and the changing room, an entrance / exit determining means for determining a person entering / exiting between the changing room and the bathroom, and a changing room A temperature control means for adjusting the temperature, wherein the temperature control means determines that a person has entered the bathroom from the dressing room or the like by the entrance / exit determination means and the temperature in the bathroom by the second temperature difference detection means. When it is detected that the temperature is higher than the temperature of the dressing room, etc. by a predetermined temperature, the temperature of the dressing room, etc. is adjusted so as to be close to the temperature of the bathroom within a predetermined time, while If it is determined that a person has entered the dressing room, etc. Air conditioner that the temperature of the dressing room or the like based on the output signal of the temperature difference detecting means, characterized in that, the temperature adjusted to be a temperature near the room within a predetermined time. 4. The air conditioner according to claim 1, wherein the bathing detection means and the bathing end detection means are manual operation switches. 5. The method according to claim 2, wherein when determining whether or not a person in the bathroom is taking a bath, it is determined that the person is taking a bath when the temperature of the bathroom rises by a predetermined value or more after the person moves into the bathroom. Air conditioner. 6. A bathtub person detection sensor for detecting the presence of a person in the bathtub, wherein the person moves into the bathroom when determining whether or not the person in the bathroom is taking a bath. The air conditioner according to claim 2, wherein it is determined that the person is in the bath when there is a person in the bath for a predetermined time or more.