JP2007285562A - Air-conditioner control device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an air-conditioner control device for creating comfortable sleeping environment by producing an optimum room temperature and air-stream environment corresponding to the biological rhythm of a body temperature during a time from falling sleep to deep sleep. <P>SOLUTION: The control device comprises a room temperature setting means 7 for setting an room temperature, a behavior detecting means 5 for detecting the behavior of a person (not illustrated) in a room, and a good-sleep actuating means 8 for actuating good-sleep operation. After the good-sleep actuating means 8 actuates the good-sleep operation but before a predetermined time passes as the frequency of the behavior of the person detected by the behavior detecting means 5 remains lower than predetermined, the room temperature setting means 7 controls the setting of the room temperature to be shifted a first predetermined temperature lower and then to be shifted a second predetermined temperature higher. The room temperature is somewhat lower during a time from falling sleep to deep sleep to reduce a feeling temperature, and then the room temperature can be controlled corresponding to the biological rhythm of a body temperature after falling sleep. This promotes falling sleep and deep sleep thereafter to create comfortable sleeping environment. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an air conditioner control device that performs comfortable air conditioning control during sleep.

  2. Description of the Related Art Conventionally, in order to perform comfortable air conditioning control during this type of sleep, there has been known one that controls a set temperature in consideration of a biological rhythm of a human body when entering a floor.

For example, as shown in FIG. 6, a room temperature setting means 7 for setting the room temperature, a good night operation means 8, a time measurement means 10 for measuring the elapsed time, and a control means 11 are provided, and a predetermined time has elapsed after entering the floor. There is a control device for an air conditioner that shifts the set temperature downward until it is done, and then raises it by a predetermined temperature (see, for example, Patent Document 1).
JP-A-3-225141

 However, the control device for the conventional air conditioner shifts the set temperature upward after a predetermined time from entering the floor regardless of whether or not the bedridden has fallen asleep. There was a problem that it was not possible to create a comfortable sleep environment that matched the biological rhythm.

  The present invention solves the above-described conventional problems, and an object of the present invention is to provide an air conditioner control device that can promote sleep onset and deep sleep to create a comfortable sleep environment.

 In order to solve the above-described conventional problems, an air conditioner control device according to the present invention includes an indoor temperature setting unit that sets an indoor temperature, a body motion detection unit that detects a human body motion in a room, and a night operation And after the sleep operation is activated by the sleep actuating means, the frequency of the human body motion detected by the body motion detecting means remains below a predetermined time until a predetermined time elapses. The room temperature setting means controls the room temperature setting to be shifted to a lower side by a first predetermined temperature, and then controls the room temperature setting to be shifted to a higher side by a second predetermined temperature. It is possible to control the room temperature according to the biological rhythm of the body temperature after falling asleep, lowering the sensible temperature by lowering the room temperature until it reaches deep sleep, and promoting comfortable sleep and deep sleep afterwards It is possible to create a sleep environment.

 The control device for an air conditioner according to the present invention includes an up / down air direction setting means for setting up / down air direction of a blown air flow blown into a room after heat exchange, and body movement detection for detecting a person's body movement in the room. And a sleep operation means for operating the sleep operation, and after the sleep operation is activated by the sleep operation means, the frequency of the human body motion detected by the body motion detection means remains below a predetermined value. Until the time elapses, the air flow is blown downward by the up / down air direction setting means, and then the air flow is prevented from being blown downward. It is possible to increase the temperature to lower the sensible temperature and control the airflow in accordance with the biological rhythm of the body temperature after falling asleep, thereby promoting sleep onset and subsequent deep sleep and creating a comfortable sleep environment.

The control device for an air conditioner according to the present invention can generate an optimal room temperature and air flow environment according to a biological rhythm of body temperature from sleep to deep sleep, and actively promotes sleep and subsequent deep sleep. You can always create a comfortable sleeping environment.

  1st invention is provided with the indoor temperature setting means which sets indoor temperature, the body motion detection means which detects the human body motion in a room, and the night operation means which operates night operation, After the sleep operation is activated, the indoor temperature setting means sets the indoor temperature setting by the indoor temperature setting means until a predetermined time elapses while the frequency of the human movement detected by the body movement detecting means remains below a predetermined value. The temperature is shifted to the lower side, and then the room temperature setting is controlled to be shifted to the higher side by the second predetermined temperature. The room temperature is lowered from the time of going to sleep until reaching deep sleep. It is possible to lower the sensible temperature and control the room temperature according to the biological rhythm of the body temperature after falling asleep, promoting sleep and deep sleep after that, and creating a comfortable sleep environment.

 The second aspect of the invention, in particular, after shifting to a higher side by the second predetermined temperature of the first aspect of the invention, if the frequency of human body movement becomes equal to or higher than a predetermined level, the frequency of body movement remains below a predetermined level. The room temperature setting means controls the room temperature setting to be shifted to the lower side by a third predetermined temperature until a predetermined time has elapsed. Lowering the room temperature to lower the sensible temperature, the room temperature can be controlled in accordance with the biological rhythm of the body temperature even after re-entry sleep, and re-entry sleep and subsequent deep sleep can be promoted.

 3rd invention operates the up-and-down wind direction setting means which sets the up-and-down wind direction of the blowing airflow which blows off into a room after heat exchange, the body movement detection means which detects the human body movement in a room, and sleep operation The sleep motion actuating means, and after the sleep operation is actuated by the sleep actuating means, the human body motion frequency detected by the body motion detecting means remains below a predetermined value until a predetermined time elapses. The airflow setting means blows the airflow downward, and then prevents the airflow from blowing downward. The airflow can be controlled in accordance with the biological rhythm of the body temperature after falling asleep, and a comfortable sleep environment can be created by promoting sleep and subsequent deep sleep.

 In particular, the fourth aspect of the invention is such that, after the blown airflow of the third aspect of the invention is prevented from blowing downward, when the frequency of the human body motion exceeds a predetermined value, the frequency of the body motion remains below the predetermined time and the predetermined time elapses. The air flow is blown downward by the up-and-down airflow direction setting means, and when awakening occurs, the airflow sensation is moderately increased during the period from falling asleep again to deep sleep, thereby lowering the sensible temperature. Even after re-sleeping, the airflow can be controlled in accordance with the biological rhythm of body temperature, and re-sleeping and subsequent deep sleep can be promoted.

 Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
1 is a block diagram illustrating an example of an air conditioner control device according to Embodiment 1 of the present invention, FIG. 2 is a configuration diagram illustrating an example of an indoor unit of the air conditioner, and FIG. 3 illustrates the control device. It is explanatory drawing which shows an example of the preset temperature controlled by this.

 In FIG. 2, 1 is an indoor heat exchanger, 2 is an indoor blower, 3 is an indoor blower circuit, 3 a is an air outlet that communicates with the indoor blower circuit 3 and blows out the air heat-exchanged by the indoor heat exchanger 1. Reference numeral 4 denotes an up-and-down airflow direction vane that is provided at the outlet 3a and changes the airflow direction of the blown airflow that is blown after being heat-exchanged by the indoor heat exchanger 1, and 5 is an infrared sensor that reacts to, for example, indoor temperature change The indoor unit 6 is constituted by body motion detection means for detecting the motion of the human body by means of these.

 The indoor unit 6 may have a known configuration, and is connected to a known outdoor unit (not shown) to constitute a known refrigeration cycle for cooling or heating.

 In FIG. 1, 7 is a room temperature setting means, 8 is a sleep actuating means, 9 is a sleep state or an awake state based on an output signal of the body motion detection means 5 for detecting a human body motion in the room. 10 is a time measuring means, and 11 is a control means for correcting the set temperature based on signals from the sleep determining means 9 and the time measuring means 10.

 FIG. 3 shows an example of the set temperature controlled by the control device for the air conditioner in the present embodiment.

 For example, when the “sleep mode”, which is a sleep operation, is turned on by the sleep operation means 8 by an operation of a remote controller (not shown) or the like at time t0, the control means 10 is switched to the set temperature (Tset) at that time. The Tset is shifted downward by a predetermined temperature ΔT1 of 1. Thereafter, the body motion detection means 5 detects the body motion of the person who entered the floor, and the sleep determination means 9 detects the person in bed at the time t1 when the frequency of the body motion of the floor person every predetermined time becomes equal to or less than the predetermined time. Is determined to fall asleep. Thereafter, it is determined that deep sleep has been reached at a time point t2 when the predetermined time Δt1 has passed while the frequency of body movement is below a predetermined value, and the set temperature is shifted upward by a second predetermined temperature ΔT2. Furthermore, during the subsequent sleep, the sleep determination means 9 determines that the intruder has awakened halfway at the time t3 when the frequency of body movements at a predetermined time becomes equal to or higher than a predetermined time, and the third predetermined temperature ΔT3. Only shift Tset downward.

 The sleep determination means 9 determines that the user has fallen asleep again at the time t4 when the frequency of body movements at a predetermined time becomes equal to or lower than the predetermined value. Thereafter, it is determined that deep sleep has been reached again at the time t5 when the predetermined time Δt2 has passed with the frequency of body movement being equal to or lower than a predetermined value, and the preset temperature is a fourth predetermined temperature ΔT4 that is lower than the third predetermined temperature ΔT3. Shift upwards only.

  By these, until the bedridden sleeps and goes deeper into sleep, the set temperature can be lowered to lower the sensory temperature, and the body temperature can be lowered quickly by promoting heat dissipation from the human body. It is possible to create a comfortable sleep environment adapted to the biological rhythm of body temperature up to. In addition, after reaching deep sleep, it is possible to always create a comfortable sleep environment while preventing the chilling at the time of sleep by returning the set temperature to a slightly higher temperature and raising the sensible temperature.

 Furthermore, even when awakening occurs during sleep, the set temperature can be made slightly lower until sleep is resumed and deep sleep is achieved as in sleep, and sleep and deep sleep can be promoted again. In addition, after reaching deep sleep again, in order to prevent mid-level awakening due to heat, the sleep temperature is changed to a setting temperature slightly lower than the temperature set before the mid-level awakening, so that a comfortable sleep that matches the experience of the bedridden An environment can be created.

(Embodiment 2)
FIG. 4 is a block diagram illustrating an example of an air conditioner control device according to Embodiment 2 of the present invention, and FIG. 5 is a configuration diagram illustrating an example of a control state of an indoor unit of the air conditioner. Note that the same portions as those in the first embodiment are denoted by the same reference numerals and description thereof is omitted.

 In FIG. 4, reference numeral 12 denotes an up / down air direction setting means for setting the up / down air direction of the blown air flow blown into the room after heat exchange, 8 is a night operation means, 9 is an output signal of the body motion detection means 5. The sleep determination means 10 for determining whether it is a sleep state or an awakening state, 10 is a time measurement means, and 11 is a control means for correcting the setting of the up and down wind direction by signals from the sleep determination means 9 and the time measurement means 10.

 FIG. 5A shows an example of the control state of the up-and-down wind direction blades 4 from sleep on to deep sleep after the sleep mode is turned on, and FIG. 5B shows the up-and-down wind direction blades after reaching deep sleep. 4 shows an example of the control state.

 In the control state of FIG. 5A, the vertical airflow direction setting means 12 sets the vertical airflow direction blade 4 at a position where the airflow blown out from the indoor blower circuit 3 is divided into an upward airflow and a downward airflow. The upward airflow cools the entire room, and the downward airflow acts so as to hit the intruder properly.

 In addition, by changing the vertical position at the air outlet 3a of the up-and-down airflow direction blade 4, the ratio of the upward airflow and the downward airflow is adjusted, the amount of the airflow hitting the intruder is adjusted, The perceived temperature can be adjusted. Moreover, in the control state of FIG.5 (b), the up-and-down wind direction blade | wing 4 is located in the lower end of the indoor air blower circuit 3, and all the blowing airflows are blown upwards, and it is made not to apply an airflow to a flooring person. In addition, when applying an airflow to an in-bed person, by repeating the control state of Fig.5 (a) and FIG.5 (b) alternately, the airflow which hits an in-bed person by applying an airflow to an in-bed person intermittently. It is also possible to adjust the amount.

  As a result, until the bedridden sleeps and deep sleep, as shown in FIG. 5 (a), the airflow is applied to the bedrock by the airflow downward to lower the sensible temperature and to dissipate heat from the human body. The body temperature can be lowered quickly by promoting, and a comfortable sleep environment adapted to the biological rhythm of body temperature from falling asleep to deep sleep can be created.

 In addition, after reaching deep sleep, as shown in FIG. 5 (b), the temperature is raised by preventing the airflow from being applied to the intruder by the upward airflow, and it is always comfortable while preventing sleep from falling asleep. Can create a comfortable sleep environment.

 In other words, instead of adjusting the sensible temperature by shifting the set temperature in the first embodiment, in the second embodiment, the sensible temperature is adjusted by adjusting the amount of airflow applied to the intruder. A comfortable sleep environment that promotes falling asleep and deep sleep is created in the same manner as in Form 1.

In the present embodiment, the amount of the airflow hitting the floor person is adjusted by changing the vertical position of the up-and-down wind direction blade 4 at the air outlet 3a. For example, the up-and-down angle of the up-and-down wind direction blade 4 is changed, etc. May adjust the amount of airflow hitting the intruder, and does not limit the configuration or control for adjusting the direction or airflow of the airflow. Also, the control of the indoor temperature and the present embodiment in the first embodiment Even if both the control of the up-and-down wind direction blades 4 in the form are used in combination, the same effect can be exhibited.

  As described above, the control device for an air conditioner according to the present invention can generate an optimal room temperature and airflow environment in accordance with a biological rhythm of body temperature ranging from sleep to deep sleep. It is possible to create a comfortable sleep environment that promotes deep sleep at all times, and if it is an air conditioner that has means to detect human movement, the indoor unit is not only mounted on the wall, but also placed on the floor and embedded in the ceiling It can also be installed in various forms such as duct air conditioning, and can be used for a wide range of air conditioners.

The block diagram which shows an example of the control apparatus of the air conditioner in Embodiment 1 of this invention The block diagram which shows an example of the indoor unit of the air conditioner Explanatory drawing which shows an example of the preset temperature controlled by the control device The block diagram which shows an example of the control apparatus of the air conditioner in Embodiment 2 of this invention (A), (b) The block diagram which shows an example of the control state of the indoor unit of the air conditioner The block diagram which shows an example of the control apparatus of the conventional air conditioner

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Indoor heat exchanger 2 Indoor air blower 3 Indoor air blowing circuit 4 Vertical wind direction blade 5 Body motion detection means 6 Indoor unit 7 Indoor temperature setting means 8 Good night operation means 9 Sleep determination means 10 Time measurement means 11 Control means 12 Vertical wind direction setting means

Claims (4)

An indoor temperature setting means for setting a room temperature, a body motion detecting means for detecting a human body motion in a room, and a night rest operating means for operating a night rest; The room temperature setting means shifts the room temperature setting to the lower side by the first predetermined temperature until a predetermined time elapses while the frequency of the person's body movement detected by the body movement detecting means remains below a predetermined value. And then controlling the indoor temperature setting to shift to a higher side by a second predetermined temperature. After the shift to the higher side by the second predetermined temperature, when the frequency of human body motion exceeds a predetermined value, the room temperature setting means sets the room temperature until the predetermined time elapses while the frequency of the body motion remains below the predetermined value. The control device for an air conditioner according to claim 1, wherein the control is performed so as to shift to a lower side by a third predetermined temperature. Up-and-down air direction setting means for setting the up-and-down air direction of the blown air flow blown into the room after heat exchange, body movement detecting means for detecting the human body movement in the room, and good night operation means for operating the sleep operation And after the sleep operation is activated by the sleep actuating means, the air flow blown out by the up / down air direction setting means until the human body motion frequency detected by the body motion detecting means remains below a predetermined time and a predetermined time elapses. The air conditioner control device is characterized in that the airflow is blown downward, and then the blown airflow is not blown downward. After preventing the blown air flow from blowing downward, when the human body motion frequency exceeds a predetermined value, the vertical air direction setting means causes the downward air flow to be directed downward until the predetermined time elapses with the body motion frequency remaining below the predetermined value. The air conditioner control device according to claim 3, wherein the air conditioner control device is blown out.

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