JP2009052835A - Air conditioning control device and method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an air conditioning control technique controlling humidification in an air conditioner to prevent a cold, and capable of suppressing dew condensation at a minimum. <P>SOLUTION: In a parasympathetic nerve activation time estimation module 101, autonomic nerve fluctuation information is acquired from an autonomic nerve sensor 20, hypnagogic time information is acquired from a hypnagogic detection module 30, and the time wherein activation of parasympathetic nerves becomes advantageous than activation of sympathetic nerves is estimated. In a humidity determination module 102, if humidity information received from a humidity sensor 40 at a predetermined time before the time estimated by the parasympathetic nerve activation time estimation module 101 is a first predetermined value, a value more than the first predetermined value is sent to the air conditioner 500 as a set value. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an air conditioning control apparatus and method for controlling an air conditioning apparatus that performs humidification.

  2. Description of the Related Art Conventionally, there is an air conditioner that performs humidification locally to adjust indoor humidity (see Patent Document 1). In addition, there is a technique for controlling an air conditioner using information measured in a human body in order to maintain the comfort of a person in the room (see Patent Document 2). In addition, there is a technique for controlling the humidity according to the illuminance in the room (see Patent Document 3). An air conditioner that performs such humidification is often introduced for the purpose of preventing indoor drying at low temperatures in winter. For this reason, some air conditioners, for example, perform control to perform humidification according to room temperature, that is, control to keep the relative humidity constant.

JP 2001-221470 A JP 2005-226882 A JP-A-10-281504

  In particular, during winter nights, the difference between the room temperature and the outside temperature becomes large, so the air dries and it is easy to catch a cold. However, if the humidity is increased according to the room temperature using a conventional air conditioning apparatus that performs humidification, the amount of condensation may increase.

  This invention is made in view of the above, Comprising: It aims at providing the air-conditioning control apparatus and method which can suppress dew condensation while controlling the humidification in an air-conditioning apparatus in order to prevent a cold. .

  In order to solve the above-described problems and achieve the object, the present invention provides an air conditioner that performs humidification, first acquisition means for acquiring sleep time information indicating a user's sleep time, and fluctuations in the user's autonomic nerves. Parasympathetic nerve activity using second acquisition means for acquiring the indicated autonomic nerve fluctuation information, an autonomic nerve fluctuation period determined based on the autonomic nerve fluctuation information, and a sleep time indicated by the sleep time information Estimating means for estimating the time at which the predominance is greater than the activity of the sympathetic nerve, and whether or not the humidity detected by the humidity detecting means is equal to or less than a first predetermined value before the predetermined time when the estimated time arrives And determining means for determining whether or not when the determination result of the determining means is affirmative, transmitting means for transmitting a humidity equal to or higher than the first predetermined value as a set value to the air conditioner. To do.

  The present invention also provides an air conditioner that performs humidification, a third acquisition unit that acquires at least one biological information among a user's heartbeat, pulse, electrocardiogram, pulse wave, brain wave, body motion, and respiration, and the biological information. Using the calculation means for calculating the sleep time of the user and at least one activity level of the parasympathetic nerve and the sympathetic nerve, the fluctuation period of the autonomic nerve obtained using the activity level, and the sleep time Using the estimation means for estimating the time when the activity of the parasympathetic nerve is superior to the activity of the sympathetic nerve, and the humidity detected by the humidity detection means before the estimated time arrives. 1 determining means for determining whether or not the value is equal to or less than a predetermined value, and transmission for transmitting a humidity equal to or higher than the first predetermined value to the air conditioner as a set value when the determination result of the determining means is affirmative Specially provided with means To.

  Further, the present invention provides an air conditioning control method that is executed by an air conditioning control device that includes a first acquisition unit, a second acquisition unit, an estimation unit, a determination unit, and a transmission unit, and controls an air conditioning unit that performs humidification. A step of acquiring sleep time information indicating a user's sleep time by the first acquisition unit; a step of acquiring autonomic nerve fluctuation information indicating a change of the user's autonomic nerve by the second acquisition unit; The activity of the parasympathetic nerve is higher than the activity of the sympathetic nerve using the fluctuation period of the autonomic nerve obtained by the estimating means based on the autonomic nerve fluctuation information and the sleep time indicated by the sleep time information. A step of estimating the dominant time, and the humidity detected by the humidity detecting means before the predetermined time when the time estimated by the determining means arrives is a first predetermined value or less. A step of determining whether or not there is a step of transmitting, by the transmission unit, when the determination result of the determination unit is affirmative, a humidity of the first predetermined value or more as a set value to the air conditioner; It is characterized by including.

  In addition, the present invention is an air conditioning control method that is executed by an air conditioning control device that includes a third acquisition unit, a calculation unit, an estimation unit, a determination unit, and a transmission unit, and that controls an air conditioning device that performs humidification. Then, the step of acquiring at least one biological information of the user's heartbeat, pulse, electrocardiogram, pulse wave, brain wave, body movement and respiration by the third acquisition means, and the biological information by the calculation means. Calculating the sleep time of the user and the activity level of at least one of the parasympathetic nerve and the sympathetic nerve, the fluctuation period of the autonomic nerve obtained using the activity level by the estimation means, and the sleep time And a step of estimating a time when the activity of the parasympathetic nerve is superior to the activity of the sympathetic nerve, and a predetermined time before the time estimated by the determination means arrives Determining whether or not the humidity detected by the humidity detecting means is equal to or lower than a first predetermined value; and if the determination result of the determining means is positive by the transmitting means, And a step of transmitting a humidity equal to or higher than the first predetermined value as a set value.

  According to the present invention, it is possible to control humidification in an air conditioner to prevent a cold and to suppress condensation.

  Exemplary embodiments of an air-conditioning control apparatus and method according to the present invention will be explained below in detail with reference to the accompanying drawings.

  In the present embodiment, focusing on the fact that a person's tolerance to a virus that causes a disease such as a cold (cold virus) changes according to the sleep rhythm, The air conditioner that performs humidification is controlled to selectively change the quality. A situation in which a biological reaction easily occurs due to a cold is a situation in which a cold virus easily enters the body or a condition in which a cold symptom is likely to occur, and one of the situations is a time zone in which parasympathetic nerves are dominant. For example, according to the questionnaire results in the reference document (http://www2.health.ne.jp/library/3000/w3000748.html), people feel that they have caught a cold most often when they get up. The reason is that during sleep, parasympathetic nerves have an advantage over daytime. In general, when parasympathetic nerves become dominant, the secretion of saliva and the movement of swallowing saliva are remarkably reduced. At this time, since the mucous membrane of the throat is dried when the surrounding humidity is low, the sucked virus is not discharged to the outside, and it is easy to catch a cold. In addition, when parasympathetic nerves become dominant, lymphocytes increase because a large amount of acetylcholine is secreted, and when these lymphocytes eliminate viruses that have entered the body, they work excessively and release inflammatory substances. In addition, the symptoms of cold are more likely to occur.

Many people sleep at night. The humidity is lowest in the winter. For this reason, winter nights can be the most likely to catch a cold. However, if the relative humidity is always 50%, the survival rate after 7 hours of the cold virus is about 10%. On the other hand, there are many cases where the temperature difference between the window side and the room is large at night in winter. In this case, condensation tends to occur. For example, if the room temperature is 18 ° C, the relative humidity is 50%, and the window glass temperature is 5 ° C, dew condensation of 0.7 g per 1 m ³ occurs. Actually, the speed of condensation changes depending on the heat transmittance of the window glass, but if the relative humidity of 50% or more is maintained in winter, a large amount of condensation occurs. For this reason, the amount of water required overnight in an air conditioner to maintain a relative humidity of 50% or more increases. In order to reduce this condensation, it is difficult to raise the humidity unless the room temperature is considerably lowered.

  From the above, in the present embodiment, in the time zone in which parasympathetic nerves are dominant, by controlling the air conditioner so that the humidity becomes a predetermined set value, it contributes to prevention of colds while condensing. Make it possible to suppress it to a minimum. If condensation can be suppressed to a minimum, the amount of overnight water necessary for humidification can be reduced. For this reason, even an air conditioner having only a small water tank can be applied to a relatively large room.

  By the way, after changing the set value of humidity in the air conditioner, it takes some time until the actual humidity becomes the set value. In other words, even if the set value of humidity in the air conditioner is changed when parasympathetic nerve becomes dominant, a time lag occurs until the actual humidity becomes the set value. Therefore, in the present embodiment, the time when the parasympathetic nerve becomes dominant, that is, the time when the parasympathetic nerve is activated (parasympathetic nerve activation time) is estimated, and a predetermined time (for example, 10 minutes) before that time, If necessary, control is performed to change the set value of humidity in the air conditioner.

(1) Configuration FIG. 1 is a diagram illustrating a configuration of an air conditioning control device 100 according to the present embodiment. As shown in the figure, the air conditioning control device 100 includes a parasympathetic nerve activity time estimation module 101 and a humidity determination module 102. The parasympathetic nerve activity time estimation module 101 is connected to an autonomic nerve sensor 200 and a sleep time detection module 300. A humidity sensor 400 and an air conditioner 500 are connected to the humidity determination module 102. Such an air conditioning control device 100 includes a CPU (Central Processing Unit), a timer that measures time such as the current time and elapsed time, a ROM (Read Only Memory) and a RAM (Random Access) that store various programs and various data. A storage unit including a memory (Memory), a communication unit, and a bus (none of which is shown) for connecting them, are provided in the air conditioner 500, for example. The parasympathetic nerve activity time estimation module 101 and the humidity determination module 102 are stored in the storage unit. Each module is read from the storage unit by the CPU and executed, thereby realizing the functions of these modules.

  The autonomic nerve sensor 200 is a sensor that measures the fluctuation of the user's autonomic nerve, and corresponds to, for example, a pulse wave meter and its pulse fluctuation analysis module. Such an autonomic nerve sensor 200 obtains a pulse for each beat from the pulse wave and performs frequency analysis of the fluctuation component thereof, thereby changing the activity of the parasympathetic nerve or the activity of the sympathetic nerve as the fluctuation of the autonomic nerve. Measure changes. FIG. 2 is a diagram illustrating the fluctuation frequency of the heartbeat interval. As shown in the figure, of these fluctuation frequencies, the power peak level around 0.1 to 0.2 Hz (referred to as LF) and the power level around 0.2 to 0.4 Hz (referred to as HF) or the integrated value of the same frequency band By comparing, it can be determined whether the activity of the parasympathetic nerve is superior to the activity of the sympathetic nerve. It is known that LF represents a sympathetic nerve component and HF represents a parasympathetic nerve component. For this reason, when the HF is relatively higher than the LF, it can be determined that the activity of the parasympathetic nerve is superior to the activity of the sympathetic nerve.

  The sleep time detection module 300 calculates the sleep time of the user using the body movement amount measured by a body movement amount sensor (not shown). The body movement amount sensor is attached to, for example, the wrist opposite to the user's dominant arm. The algorithm for calculating sleep time using the amount of body movement is described in, for example, Cole RJ, Kripke DF, Gruen W: Automatic sleep / wake identification from wrist Activity.Sleep, 15 (5), 461-469, 1992. Apply what you have.

  The parasympathetic nerve activity time estimation module 101 is connected to the autonomic nerve sensor 200 to determine the autonomic nerve fluctuation information and the sleep time calculated by the sleep time detection module 300. Information is obtained, and the time at which the activity of the parasympathetic nerve is superior to the activity of the sympathetic nerve is estimated. The parasympathetic nerve activity time estimation module 101 acquires the above fluctuation frequency itself from the autonomic nerve sensor 200 as the autonomic nerve fluctuation information, and determines whether the parasympathetic nerve activity is superior to the sympathetic nerve activity. The autonomic nerve sensor 200 may determine that the activity of the parasympathetic nerve is superior to the activity of the sympathetic nerve, and obtain information indicating that from the autonomic nerve sensor 200. Anyway.

  The parasympathetic nerve corresponds to Non-REM sleep, and the sympathetic nerve corresponds to REM sleep. FIG. 3 is a diagram illustrating the relationship among the state of the autonomic nerve, the sleep state, and the amount of body movement. The figure shows that parasympathetic activity is superior to sympathetic activity during Non-REM sleep, and sympathetic activity is superior to parasympathetic activity during REM sleep. ing. The REM sleep and Non-REM sleep are alternately repeated at a period of 70 to 120 minutes, but the activities of the sympathetic nerve and the parasympathetic nerve corresponding to each sleep are also repeated at substantially the same period. Therefore, the parasympathetic nerve activity time estimation module 101 uses this period, the autonomic nerve fluctuation information indicating the fluctuation of the autonomic nerve measured by the autonomic nerve sensor 200, and the sleep time indicating the sleep time calculated by the sleep time detection module 300. Next, the time at which the activity of the parasympathetic nerve is superior to the activity of the sympathetic nerve is estimated using the information. A specific estimation method will be described in the operation column described later.

  The humidity sensor 400 is a sensor that measures humidity, and is disposed, for example, around a user in a room. The humidity determination module 102 determines that the humidity information received from the humidity sensor 400 before the predetermined time (for example, 10 minutes) when the parasympathetic nerve is estimated to be dominant by the parasympathetic activity time estimation module 101 is the first predetermined value (for example, , 50% or less), a value equal to or greater than the first predetermined value is transmitted to the air conditioner 500 as a set value. The reason why the set value is transmitted to the air conditioner 500 10 minutes before the time when it is estimated that the parasympathetic activity is superior to the sympathetic activity is that the humidity increases by several percent due to the humidification performed by the air conditioner 500. This is because it takes about 5 to 10 minutes. However, since the increase in relative humidity changes depending on the humidity at that time, the size of the room, and the airflow conditions in the room, the value for the predetermined time is not limited to this.

  The air conditioner 500 has a function of performing humidification, and is disposed around the user, for example. When the air conditioning apparatus 500 receives the humidity setting value transmitted from the humidity determination module 102 of the air conditioning control apparatus 100, the air conditioning apparatus 500 performs humidification so that the humidity approaches the setting value.

(2) Operation Next, the operation of the air conditioning control device 100 in the embodiment of the present invention will be described. First, processing performed by the parasympathetic nerve activity time estimation module 101 will be described. FIG. 4 is a flowchart showing a processing procedure performed by the parasympathetic nerve activity time estimation module 101.

  The parasympathetic nerve activity time estimation module 101 acquires autonomic nerve fluctuation information indicating the fluctuation of the autonomic nerve measured by the autonomic nerve sensor 200 and sleep time information indicating the sleep time calculated by the sleep time detection module 300. First, the counter N is set to “1”, and the autonomic nerve fluctuation period t is initially set to a predetermined initial value, for example, “90” (minutes) (step S1). Thereafter, the parasympathetic nerve activity time estimation module 101 appropriately acquires autonomic nerve fluctuation information from the autonomic nerve sensor 200. The parasympathetic nerve activity time estimation module 101 starts a state in which the parasympathetic nerve activity is superior to the sympathetic nerve activity as a time zone in which the parasympathetic nerve activity is superior to the sympathetic nerve activity. The time Tf1 to be calculated is calculated by the following formula (1), and the time Tf2 at which the state in which the parasympathetic activity is superior to the sympathetic activity ends is calculated by the following formula (2) (step S2). .

Tf1 = S0 + t * (N-1) +10 (Expression 1)
Tf2 = S0 + t * N-20 (Expression 2)
S0: Sleeping time

  Here, Tf1 is estimated as the time (parasympathetic nerve activation time) when the activity of the parasympathetic nerve is superior to the activity of the sympathetic nerve. FIG. 5 is a diagram showing the relationship between the state of fluctuation of the autonomic nerve shown in FIG. 3, the sleep time S0, the fluctuation period t of the autonomic nerve, and the estimated parasympathetic nerve activation time Tf1.

  In addition, the parasympathetic activity time estimation module 101 starts measuring the elapsed time from Tf1 by using a timer, and using the autonomic nerve fluctuation information, the activity of the sympathetic nerve is higher than the activity of the parasympathetic nerve at the time after Tf2. The elapsed time (minutes) until it becomes dominant is set to u0 (step S3). Further, the parasympathetic activity time estimation module 101 determines whether or not the state in which the sympathetic nerve activity is superior to the parasympathetic nerve activity continues for a predetermined time or more, for example, 5 minutes or more (step S4). If the determination result is affirmative, the parasympathetic nerve activity time estimation module 101 sets u1 as the elapsed time (minutes) from Tf1 at which the sympathetic nerve activity is not superior to the parasympathetic nerve activity (step S5). ). Then, the parasympathetic nerve activity time estimation module 101 updates the autonomic nerve fluctuation period t by the following equation (3) and increments the value of the counter N by one (step S6).

  t = (u0 + u1) / 2 (Formula 3)

  Then, the parasympathetic nerve activity time estimation module 101 determines whether or not the user has woken up using the autonomic nerve fluctuation information (step S7). If the determination result is negative, the process returns to step S2. Next, the next parasympathetic activity time is estimated. If the determination result of step S7 is affirmative, the process ends.

  If the determination result of step S4 is negative, the process returns to step S3 and continues to measure the elapsed time u0.

  As described above, the parasympathetic nerve activity time estimation module 101 uses the sleep time information and the autonomic nerve fluctuation information, so that the activity level of the parasympathetic nerve is periodically higher than the activity level of the sympathetic nerve during the user's sleep. The time when it becomes dominant is estimated according to the period (fluctuation period). The parasympathetic nerve activity time estimation module 101, when estimating the time when the parasympathetic nerve activity is dominant over the sympathetic nerve activity for the first time, sets a predetermined value (here, “ 90 ”(minutes)), and thereafter, when estimating the time when the activity of the parasympathetic nerve dominates the activity of the sympathetic nerve, the fluctuation period updated using the autonomic nerve information is used. This makes it possible to more accurately estimate the time at which the parasympathetic activity is superior to the sympathetic activity.

  Next, the operation of the humidity determination module 102 will be described. FIG. 6 is a flowchart showing an operation flow of the humidity determination module 102. The humidity determination module 102 acquires the parasympathetic nerve activity time Tf1 estimated by the parasympathetic nerve activity time estimation module 101 in step S2 described above (step S10), and the current time measured by the timer is a predetermined time of the parasympathetic nerve activity time Tf1. Before, for example, 10 minutes before (step S11: YES), humidity information indicating humidity is acquired from the humidity sensor 400 (step S12). And the humidity determination module 102 determines whether the humidity which the acquired humidity information shows is below a 1st predetermined value (step S13). The predetermined value is “50%”, for example, and is stored in the storage unit in advance. The humidity determination module 102 refers to the first predetermined value stored in the storage unit and performs the determination in step S13. And when the determination result of step S13 is affirmative, the humidity determination module 102 transmits the value more than the said 1st predetermined value to the air conditioner 500 through a communication part as a humidity setting value (step S14). When the air conditioning apparatus 500 receives the humidity setting value transmitted from the humidity determination module 102 of the air conditioning control apparatus 100, the air conditioning apparatus 500 performs humidification so that the humidity approaches the setting value. As a result, the indoor humidity can become the set value at a time when it is estimated that a state in which the activity of the parasympathetic nerve is more dominant than that of the sympathetic nerve after about 10 minutes starts.

  With the configuration as described above, it becomes possible to control the air conditioner 500 so that the humidity in the room becomes equal to or higher than the first predetermined value at the time when the parasympathetic nerve becomes dominant, contributing to prevention of colds. Is possible. Further, when the indoor humidity has already reached the first predetermined value, the air conditioner 500 is not humidified, so that dew condensation can be suppressed.

[Modification]
Note that the present invention is not limited to the above-described embodiment as it is, and can be embodied by modifying the constituent elements without departing from the scope of the invention in the implementation stage. Moreover, various inventions can be formed by appropriately combining a plurality of constituent elements disclosed in the embodiment. For example, some components may be deleted from all the components shown in the embodiment. Furthermore, constituent elements over different embodiments may be appropriately combined.

<Modification 2>
The autonomic nerve sensor 200 according to the above-described embodiment measures changes in the parasympathetic nerve using a pulse wave. However, the present invention is not limited to this, and the fluctuation of the autonomic nerve is measured using at least one biological information of the user's heartbeat, pulse, electrocardiogram, pulse wave, brain wave, body motion, and respiration, and the parasympathetic nerve and the sympathetic nerve At least one activity may be calculated.

  For example, by measuring the respiratory cycle, it can be determined that the parasympathetic activity is superior to the sympathetic activity. This is because heart rate fluctuations are greatly influenced by breathing. In the fluctuating frequency shown in FIG. 2, in a state where HF is relatively higher than LF, there are many cases where breathing is performed in a cycle corresponding to the frequency of HF. For this reason, it is possible to determine whether or not the parasympathetic nerve is dominant by measuring the respiratory cycle.

  It is also possible to determine non-REM sleep by measuring an electroencephalogram during sleep, and to determine that the parasympathetic activity is superior to the sympathetic activity during this non-REM sleep. This is because, as shown in FIG. 3, the activity of the sympathetic nerve is superior to the activity of the parasympathetic nerve during REM sleep, and the activity of the parasympathetic nerve is more sympathetic than during non-REM sleep, particularly deep sleep. This is because it becomes superior to the activity of.

  Furthermore, FIG. 3 shows that the amount of body movement is smaller during Non-REM sleep than during REM sleep. Therefore, the amount of body movement is measured using a body motion sensor, and non-REM sleep is estimated using this, and it is determined that the parasympathetic nerve activity is superior to the sympathetic nerve activity during this non-REM sleep. You can also

  FIG. 7 is a diagram illustrating the configuration of an air conditioning control device 100 ′ according to this modification. The air conditioning control device 100 ′ further includes an autonomic nerve activity index calculation module 103 in addition to the parasympathetic nerve activity time estimation module 101 and the humidity determination module 102 described above. The biosensor 201 is connected to the autonomic nerve activity index calculation module 103. The biological sensor 201 is a sensor that measures biological information of at least one of a user's heartbeat, pulse, electrocardiogram, pulse wave, brain wave, body motion, and respiration. The autonomic nerve activity index calculation module 103 acquires the biometric information measured by the biosensor 201, analyzes the biometric information, calculates at least one of the parasympathetic nerve and the sympathetic nerve, and calculates the sleep time. The parasympathetic nerve activity time estimation module 101 acquires the activity calculated by the autonomic nerve activity index calculation module 103 and the sleep time, and the parasympathetic activity is superior to the sympathetic activity in the same manner as described above. Estimate the time when

<Modification 3>
The air conditioning control device 100 in the above-described embodiment is disposed in the air conditioning device 500, but may be disposed in the autonomic nerve sensor 200. In the second modification, the air conditioning control device 100 ′ may be disposed in the biosensor 201. In this case, further, the biosensor 201 may be incorporated in, for example, a bedding.

<Modification 4>
The autonomic nerve fluctuation period t in the above-described embodiment is initially set to “90”. However, the fluctuation period t of the autonomic nerve is not limited to this, and it is possible to use a value obtained by calculating the average period of the periods collected in advance as data, or the fluctuation period can be calculated using the autonomic nerve fluctuation information obtained in the past. It may be calculated and used.

<Modification 5>
In the above-described embodiment, the humidity sensor 400 is used, but instead of this, a temperature / humidity sensor that measures temperature as well as humidity may be used. The air conditioner has a function of performing heating and temperature reduction. The air conditioning control apparatus includes a temperature / humidity determination module instead of the humidity determination module 102. In step S12 described above, the temperature / humidity determination module acquires at least one of humidity and temperature from the temperature / humidity sensor. When the humidity is acquired, the temperature / humidity determination module determines whether the humidity is the first predetermined value in the same manner as in the first embodiment described above, and the determination result is affirmative. In this case, a value equal to or greater than the first predetermined value is transmitted as a set value to the air conditioner. In addition, when the temperature is acquired, the temperature / humidity determination module determines whether the temperature is a second predetermined value set in advance, and when the determination result is affirmative, A value equal to or less than a predetermined value is transmitted to the air conditioner as a temperature set value. When the set value of temperature is transmitted from the air conditioning control device, the air conditioner performs heating or temperature reduction so that the temperature becomes the set value.

  According to such a configuration, it becomes possible to control the relative humidity according to the room temperature. As a result, it is possible to contribute more effectively to the prevention of colds, and it is possible to minimize condensation.

<Modification 6>
In the above-described embodiment, when the activity of the sympathetic nerve is superior to the activity of the parasympathetic nerve, the humidity determination module 102 indicates that the humidity indicated by the humidity information acquired from the humidity sensor 400 is the first predetermined value. If it determines with it being above, you may make it perform control which stops the humidification function of the air conditioner 500. FIG. In addition, the air conditioner 500 has a dehumidifying function, and the air conditioner control apparatus 100 is configured so that the humidity in the room always becomes the first predetermined value when the activity of the parasympathetic nerve is superior to the activity of the sympathetic nerve. The humidifying function and the dehumidifying function of 500 may be appropriately controlled.

<Modification 7>
In the embodiment and the modification described above, the module configuration is not limited to the parasympathetic nerve activity time estimation module 101, the humidity determination module 102, the sleep time detection module 300, and the autonomic nerve activity index calculation module 103 described above.

It is a figure which shows the structure of the air-conditioning control apparatus 100 concerning this Embodiment. It is a figure which illustrates the fluctuation frequency of a heartbeat interval. It is a figure which illustrates the relationship between the state of an autonomic nerve, a sleep state, and the amount of body movements. It is a flowchart which shows the procedure of the process which the parasympathetic nerve activity time estimation module 101 concerning the embodiment performs. FIG. 4 is a diagram showing a relationship between the state of fluctuation of the autonomic nerve shown in FIG. 3, a sleep onset time S 0, an autonomic nerve fluctuation period t, and an estimated parasympathetic nerve activation time Tf 1. It is a flowchart which shows the flow of operation | movement of the humidity determination module 102 concerning the embodiment. It is a figure which illustrates the structure of air-conditioning control apparatus 100 'which concerns on a modification.

Explanation of symbols

100 Air-conditioning control apparatus 101 Parasympathetic nerve activity time estimation module (first acquisition means, second acquisition means, estimation means)
102 Humidity determination module (determination means, transmission means)
103 Autonomic nerve activity index calculation module (third acquisition means)
200 Autonomic Nervous Sensor 201 Biological Sensor 300 Sleeping Time Detection Module 400 Humidity Sensor (Humidity Detection Means)
500 Air conditioner

Claims (6)

An air conditioner for humidification;
First acquisition means for acquiring sleep time information indicating a user's sleep time;
Second acquisition means for acquiring autonomic nerve fluctuation information indicating fluctuations of the user's autonomic nerve;
Estimating the time when the parasympathetic nerve activity is superior to the sympathetic nerve activity using the autonomic nerve fluctuation period obtained based on the autonomic nerve fluctuation information and the sleep time indicated by the sleep time information. An estimation means to
Determination means for determining whether or not the humidity detected by the humidity detection means is equal to or less than a first predetermined value before the estimated time arrives;
When the determination result of the determination means is affirmative, the air conditioning control apparatus further comprises a transmission means for transmitting a humidity equal to or higher than the first predetermined value as a set value to the air conditioner. When estimating the time when the activity of the parasympathetic nerve is superior to the activity of the sympathetic nerve, the estimation means first calculates the sleep time and a value predetermined as an initial value of the fluctuation period. Using the estimated fluctuation time and then updating the fluctuation period according to the autonomic fluctuation information, using the updated fluctuation period and the sleep time, and then the activity of the parasympathetic nerve is determined to be the sympathetic nerve. The air-conditioning control apparatus according to claim 1, wherein a time that prevails over the degree of activity is estimated. An air conditioner for humidification;
Third acquisition means for acquiring at least one biological information among a user's heartbeat, pulse, electrocardiogram, pulse wave, brain wave, body motion, and respiration;
A calculating means for calculating a user's sleep time and at least one activity level of the parasympathetic nerve and the sympathetic nerve using the biological information;
Estimating means for estimating the time when the activity of the parasympathetic nerve is superior to the activity of the sympathetic nerve using the fluctuation period of the autonomic nerve obtained using the activity and the sleep time;
Determination means for determining whether or not the humidity detected by the humidity detection means is equal to or less than a first predetermined value before the estimated time arrives;
When the determination result of the determination means is affirmative, the air conditioning control apparatus further comprises a transmission means for transmitting a humidity equal to or higher than the first predetermined value as a set value to the air conditioner. The air-conditioning control apparatus according to claim 1 or 2, wherein the transmission unit transmits a temperature equal to or lower than a second predetermined value as a set value to the air-conditioning apparatus. An air conditioning control method that includes a first acquisition unit, a second acquisition unit, an estimation unit, a determination unit, and a transmission unit, and is executed by an air conditioning control device that controls an air conditioning device that performs humidification,
Acquiring sleep time information indicating a user's sleep time by the first acquisition means;
Obtaining the autonomic nerve fluctuation information indicating the fluctuation of the user's autonomic nerve by the second obtaining means;
The activity of the parasympathetic nerve is superior to the activity of the sympathetic nerve by using the fluctuation period of the autonomic nerve obtained by the estimating means based on the autonomic nerve fluctuation information and the sleep time indicated by the sleep time information. Estimating the time when
Determining whether the humidity detected by the humidity detection means is equal to or lower than a first predetermined value before the predetermined time when the estimated time arrives by the determination means;
An air-conditioning control method comprising: transmitting, by the transmission unit, a humidity that is equal to or higher than the first predetermined value to the air-conditioning apparatus when the determination result of the determination unit is affirmative. . An air conditioning control method executed by an air conditioning control device that includes a third acquisition unit, a calculation unit, an estimation unit, a determination unit, and a transmission unit, and that controls an air conditioning unit that performs humidification,
Acquiring at least one biological information of the user's heartbeat, pulse, electrocardiogram, pulse wave, brain wave, body motion and respiration by the third acquisition means;
Calculating the user's sleep time and the activity of at least one of the parasympathetic nerve and the sympathetic nerve by the calculating means using the biological information;
Estimating the time when the parasympathetic nerve activity is superior to the sympathetic nerve activity by using the autonomic nerve fluctuation period determined by the activity and the sleep time by the estimating means; ,
Determining whether the humidity detected by the humidity detection means is equal to or lower than a first predetermined value before the predetermined time when the estimated time arrives by the determination means;
An air-conditioning control method comprising: transmitting, by the transmission unit, a humidity that is equal to or higher than the first predetermined value to the air-conditioning apparatus when the determination result of the determination unit is affirmative. .

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