JP2019086223A - Air conditioning system and air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain an air conditioning system capable of air conditioning control in consideration of the burden on the body of a person in the room. SOLUTION: An air conditioning system 1 according to the present invention represents a biometric information collecting terminal 3 that collects biometric information indicating a physical condition of a person in the room, and a state of an autonomic nerve of the occupant based on the biometric information. An air conditioner 2 that calculates an index value and changes the air conditioning operation from the first operation to the second operation when the index value is not within the predetermined reference range. [Selection diagram] Fig. 3

Description

  The present invention relates to an air conditioning system and an air conditioner that perform air conditioning using biometric information of a resident.

  In order to improve the comfort of the resident, some air conditioners that perform air conditioning of the living space operate so that the resident feels comfortable based on the information acquired from the resident ( For example, refer to Patent Document 1).

  The air conditioning control system described in Patent Document 1 detects body movement of a person in the room to obtain fluctuation of the heart rate, and estimates the thermal sensation of the person based on the calculated fluctuation of the heart rate. Then, in accordance with the estimation result of the thermal sensation, the target temperature is adjusted so that the occupants feel comfortable. The air conditioning control system described in Patent Document 1 performs preliminary operation to create data representing the relationship between the thermal sensation felt by the occupant and fluctuation of the heartbeat. Then, in the actual air conditioning operation, the thermal sensation of the occupant is estimated based on the data created in the preliminary operation and the fluctuation of the heartbeat of the occupant.

JP, 2016-90176, A

  In the air conditioning control system described in Patent Document 1, the target temperature is adjusted to be high when the occupant feels cold, and the target temperature is lowered when the occupant feels hot. adjust. Therefore, when the occupant feels cold during heating operation and when the occupant feels hot during cooling operation, the difference between the target temperature and the actual temperature becomes large, and the air conditioner increases the output. Do the driving. When driving with an increased output, the rate of change in room temperature is increased, but when the room temperature is significantly changed, the physical load on the room occupant may be increased, and the comfort may be impaired. There are individual differences in how unpleasant you feel when the rate of change in room temperature is large.

  This invention is made in view of the above, Comprising: It aims at obtaining the air conditioning system which can perform air-conditioning control which considered the burden concerning an occupant's body.

  In order to solve the problems described above and to achieve the object, an air conditioning system according to the present invention comprises a living body information collecting terminal for collecting living body information representing a physical condition of a room occupant, and an living room based on living body information. An air conditioner that calculates an index value representing the state of the autonomic nervous system of a person and changes the air conditioning operation from the first operation to the second operation if the index value is not within a predetermined reference range; Equipped with

  ADVANTAGE OF THE INVENTION According to this invention, it is effective in the ability to implement | achieve the air conditioning system which can perform air-conditioning control in consideration of the burden concerning an occupant's body.

The figure which shows the concept of the air conditioning system concerning Embodiment 1. The figure which shows an example of the air conditioner which comprises the air conditioning system concerning Embodiment 1. The figure which shows the structural example of the air conditioner which comprises the air conditioning system concerning Embodiment 1, and a biometric information collection terminal. Flow chart showing an example of the air conditioning operation by the air conditioning system according to the first embodiment Figure showing the relationship between the magnitude of room temperature change and sympathetic condition within a fixed period Diagram showing the relationship between changes in room temperature and the load on the occupants' body The figure which shows an example of the air-conditioning operation | movement of the air conditioning system concerning Embodiment 1. The figure which shows an example of the content which the biometric information gathering terminal concerning Embodiment 1 displays on a display part. Diagram for explaining air conditioning conditions stored in the air conditioning system according to the first embodiment The figure which shows the concept of the air conditioning system concerning Embodiment 2 The figure which shows the structural example of the air conditioner which comprises the air conditioning system concerning Embodiment 2, and a biometric information gathering terminal. Flow chart showing an example of the air conditioning operation by the air conditioning system according to the second embodiment The figure which shows an example of the content which the biometric information gathering terminal concerning Embodiment 2 displays on a display part. The figure which shows the concept of the air conditioning system concerning Embodiment 3. The figure which shows the structural example of the air conditioner which comprises the air conditioning system concerning Embodiment 3, and a biometric information gathering terminal. Flow chart showing an example of the air conditioning operation by the air conditioning system according to the third embodiment

  Hereinafter, an air conditioning system and an air conditioner according to an embodiment of the present invention will be described in detail based on the drawings. The present invention is not limited by the embodiment.

Embodiment 1
FIG. 1 is a view showing the concept of an air conditioning system according to a first embodiment of the present invention. The air conditioning system 1 according to the first embodiment includes an air conditioner 2 and a biological information collecting terminal 3. In FIG. 1, the description of the outdoor unit of the air conditioner is omitted, and the indoor unit of the air conditioner is the air conditioner 2. In the following description, according to the description of FIG. 1, the indoor unit of the air conditioner is referred to as the air conditioner 2. The same applies to the second embodiment and later.

  The air conditioner 2 performs environmental control of a room in which the air conditioning system 1 is used, that is, air conditioning of a room in which the air conditioner 2 is installed. The living body information collecting terminal 3 collects living body information representing the physical condition of the user present in the room where the air conditioning system 1 is used. Details of the biological information will be described later.

  FIG. 2 is a view showing an example of the air conditioner 2 constituting the air conditioning system 1 according to the first embodiment. FIG. 3 is a diagram showing a configuration example of the air conditioner 2 and the living body information collecting terminal 3 which constitute the air conditioning system 1 according to the first embodiment.

  As shown in FIGS. 2 and 3, the air conditioner 2 includes an air conditioning unit 4, a wind direction control unit 5, an environment detection unit 6, a control unit 7, and a communication unit 8.

  The air conditioning unit 4 is provided inside the air conditioner 2 and is operated by cooling, blowing, dehumidifying or heating so that the temperature in the room where the air conditioner 2 is installed becomes the target temperature specified by the user. While performing air conditioning control, control of the air volume when discharging air toward the outside of the air conditioner 2 is performed.

  The wind direction control unit 5 changes the air flow direction conveyed from the air conditioner 2 so as to be a desired direction. The wind direction control unit 5 changes one or more wind direction plates for controlling the wind direction of the wind blown in order to control the temperature and humidity of the room in the horizontal direction and the vertical direction, and changes the direction of each wind direction plate. It has a motor etc. One or more wind direction plates provided in the wind direction control unit 5 may be configured to be independently controllable for each wind direction plate. The wind direction control unit 5 changes the wind direction based on at least one of a signal from the environment detection unit 6, a signal from the biological information collecting terminal 3, and a signal from a remote controller (hereinafter referred to as a remote control) whose illustration is omitted. .

  The environment detection unit 6 collects environmental information representing the state of the indoor environment. Environmental information is information such as the temperature and humidity of a room (room) in which the air conditioner 2 performs air conditioning. The environment detection unit 6 also performs detection of a person present in the room, determination as to whether it is an adult or a child, detection of skin temperature which is the temperature of a person present in the room, and the like.

  The environment detection unit 6 collects temperature and humidity information using a temperature sensor and a humidity sensor. Further, the environment detection unit 6 performs, for example, an infrared sensor using a thermopile, for detection of a person present indoors, determination as to whether an adult or a child, and detection of skin temperature of a person present indoors. In the thermopile, the surface area of the measurement area is received by the infrared ray emitted from the object being received by a plurality of light receiving parts to which dissimilar metals are joined and the electromotive force due to the temperature difference between dissimilar metals by the Seebeck effect is processed by a computing circuit. Measure the temperature. In the following description, a resident present in the room is referred to as a room occupant. Although there may be people in the room who do not correspond to the resident, for convenience of the description, these are also called the resident. The skin temperature of the occupant detected by the environment detection unit 6 is one of various types of biological information of the occupant.

  In addition, the environment detection unit 6 measures the size of the room and the position of the human body and the air conditioner 2 based on the thermal image acquired by performing the scanning using the infrared sensor and the image acquired using the image sensor. The relationship, the position of the human body in the room, or the like may be detected. The environment detection unit 6 may further be configured to specify the exposed position of the skin and to detect the human body part based on the exposed position of the skin. In addition, the environment detection unit 6 may repeatedly acquire the above-described thermal image, image, and the like and analyze them to detect body motion such as turning over which occurs to the user while sleeping. The means for detecting the body part, body movement and skin temperature are not limited to those described above.

  The control unit 7 controls the air conditioning unit 4 and the wind direction control unit 5 based on the various information collected by the environment detection unit 6 and the various information acquired from the biological information collecting terminal 3. The control unit 7 is configured of, for example, a microcomputer or the like. The microcomputer includes a storage unit including a ROM, a RAM, a non-volatile memory, etc., and a signal processing unit (CPU: Central Processing Unit) that executes arithmetic processing for operating as the control unit 7 based on a program stored in the storage unit. And an input / output port for inputting / outputting an external signal to / from the signal processing unit. The control unit 7 controls the signal including the room temperature setting, which is information of the target temperature transmitted from the remote control, the signal including the environment information output from the environment detection unit 6, and the biological information transmitted from the biological information collecting terminal 3 And the air conditioning unit 4 and the wind direction control unit 5 based on various information included in the received signal.

  In addition, the control unit 7 acquires and holds resident-specific personal information such as the resident's age, height, weight, and gender. The control unit 7 acquires and holds individual-specific information from the resident using the remote control or the biological information collecting terminal 3 (not shown). The control unit 7 is capable of holding personal-specific information on a plurality of residents.

  The communication unit 8 transmits and receives a wireless signal to and from the biological information collecting terminal 3, and receives a wireless signal transmitted from a remote controller (not shown). The communication unit 8 also transmits information such as the air conditioning setting of the air conditioner 2, the wind direction, and the air volume to the living body information collecting terminal 3. The communication unit 8 outputs the information received from the biological information collecting terminal 3 and the information received from the remote control to the control unit 7.

  The biological information collection terminal 3 includes a biological information acquisition unit 31, a communication unit 32, a storage unit 33, a display unit 34, and an input unit 35.

  The biological information acquisition unit 31 can detect the physical condition of the occupant who owns the biometric information collection terminal 3. For example, the temperature, the heart rate, the amount of sweating, the body movement number and the respiratory rate of the occupant Can be detected. In addition, about the biometric information which can be detected, it is not this limitation.

  The biological information acquisition unit 31 is realized by, for example, various sensors such as a temperature sensor, an infrared sensor, an optical sensor, a capacitance sensor, and a pressure sensor. The body temperature of the occupant represented by the temperature of the skin of the human body can be detected based on a thermal image obtained by performing scanning using an infrared sensor. Heart rate can be detected by using a light sensor to identify changes in blood flow. The amount of sweat can be calculated from the amount of change in impedance with the change in capacitance of the capacitor using a capacitance sensor. Body motion and respiration rate can be detected using a pressure sensor, an infrared sensor or the like.

  In addition, the biological information acquisition unit 31 may be configured to detect a heart rate, a respiration rate, and a body movement number, for example, by irradiating radio waves of a millimeter wave radar to a room occupant.

  The communication unit 32 transmits and receives wireless signals to and from the air conditioner 2.

  The storage unit 33 stores various information acquired by the biological information acquisition unit 31, information input from the input unit 35, information transmitted from the air conditioner 2, and the like.

  The display unit 34 displays the operation state of the air conditioner, the setting contents of the air conditioner, and the like, and notifies the occupant who carries the biological information collection terminal 3 of the room.

  The input unit 35 receives an input of resident-specific information such as the age, height, weight, and gender of the resident carrying the biometric information collection terminal 3. The input unit 35 can also accept input of other information.

  The display unit 34 and the input unit 35 may be realized by a touch panel.

  The biometric information collection terminal 3 receives, via the input unit 35, the input of the resident's personal information such as the age, height, weight and sex of the resident carrying the biometric information collection terminal 3, and stores these information It shall be held at 33.

  The living body information collecting terminal 3 may be, for example, an independent portable terminal, which may be worn directly by the resident or may be integrated with a product worn by the resident such as clothes. The living body information collecting terminal 3 may be built in the body. Further, the living body information collecting terminal 3 may have a remote control function of operating the power supply of the air conditioner 2 and setting a target temperature, a wind direction, an air conditioning operation and the like. In addition, the living body information collecting terminal 3 has the same function as the above-mentioned environment detection unit 6 which constitutes the air conditioner 2, and obtains the environment information including the temperature and humidity around the occupant. May be there.

  Next, the operation of the air conditioning system 1 will be described. FIG. 4 is a flowchart showing an example of the air conditioning operation by the air conditioning system 1 according to the first embodiment. The operation shown in FIG. 4 starts, for example, when the air conditioner 2 detects that the operation start operation has been performed by the remote control.

  The air conditioner 2 of the air conditioning system 1 starts the operation when the condition for starting the operation is satisfied, such as when the occupant operates the remote control to detect that the start of the operation is instructed (step S1). ).

  After starting the air conditioning operation, the air conditioner 2 determines the person who is in the room, specifically, the resident corresponding to which individual specific information among the individual specific information registered in advance is the room A process is performed to determine whether or not (step S2). In this step S2, first, the control unit 7 of the air conditioner 2 requests the living body information collecting terminal 3 to transmit the individual unique information held by the living body information collecting terminal 3. The biometric information collection terminal 3 receiving this request transmits the held individual-specific information to the control unit 7 of the air conditioner 2. The control unit 7 of the air conditioner 2 collates the received individual-specific information with the held individual-specific information to determine the occupant, that is, the resident corresponding to any of the held individual-specific information Identify if the room is occupied. In addition, the biometric information collection terminal 3 assumes that the personal-specific information for one person is hold | maintained.

  Next, the air conditioner 2 collects environmental information in the room in which the air conditioner is installed (step S3). The environmental detection unit 6 collects environmental information. The environmental information collected by the environmental detection unit 6 includes at least temperature and humidity. In this step S3, in addition to the temperature and humidity, the environment detection unit 6 may collect information such as the presence or absence of the occupant and the position of the occupant as environmental information.

  Next, the air conditioner 2 acquires, from the living body information collecting terminal 3, the living body information of the room occupant collected by the living body information collecting terminal 3 (step S4). In this step S4, first, the control unit 7 of the air conditioner 2 requests the living body information collecting terminal 3 to transmit living body information. In the biological information collection terminal 3 that has received this request, the biological information acquisition unit 31 collects biological information, and transmits the collected biological information to the control unit 7 of the air conditioner 2. The biological information acquisition unit 31 may collect biological information periodically and store the biological information in the storage unit 33 instead of collecting the biological information when there is a request from the air conditioner 2. In this case, when receiving the transmission request for the biological information, the biological information acquisition unit 31 reads the latest biological information at that time, that is, the biological information collected last, from the storage unit 33, and the communication unit 32 transmits the information to the air conditioner. Send to 2 The biological information acquired by the air conditioner 2 from the biological information collecting terminal 3 includes the body temperature, heart rate, amount of sweating, body movement rate and respiratory rate of the occupant. When the environment detection unit 6 of the air conditioner 2 is configured to detect the skin temperature of the occupant, the biological information acquired by the air conditioner 2 from the biological information collecting terminal 3 does not include the body temperature of the occupant. May be

Next, the air conditioner 2 checks whether the occupant is normal (step S5). In this step S5, the control unit 7 of the air conditioner 2 confirms whether or not the body temperature, heart rate and amount of sweating in the living body's biological information acquired in step S4 are within the predetermined normal range. By doing this, it is estimated whether the occupancy is normal or not, that is, if there is no problem with the occupancy. The control unit 7 determines that the skin temperature is normal when, for example, the skin temperature is 30 ° C. or more and 37 ° C. or less, and determines that the heart rate is normal when the heart rate is 60 bpm or more and 100 bpm or less. It is judged that the amount of sweating is normal when it is 0 mg / cm ² / min or more. In this case, when the skin temperature is 30 ° C. or more and 37 ° C. or less, the heart rate is 60 bpm or more and 100 bpm or less, and the amount of sweating is 1.0 mg / cm ² / min or more, the control unit 7 Is determined to be normal. When all of the body temperature, the heart rate and the amount of sweating are normal, the control unit 7 estimates that there is no problem in the physical condition of the occupant.

  If there is no problem in the physical condition of the room occupant (step S5: Yes), the air conditioner 2 performs the air conditioning operation considering the state of the room occupant's autonomic nerve in accordance with steps S6 and S8 to S11. In this air conditioning operation, LF / HF, which indicates to which extent the sympathetic nerve or the parasympathetic nerve is dominant, is used as an index indicating the state of the occupant's autonomic nerve. The LF / HF can be calculated based on the heart rate, and the low frequency (LF) component and the high frequency (HF) component included in the heart rate fluctuation obtained by analyzing the heart rate Ratio. When the occupant is excited or nervous, the sympathetic nerve is superior to the parasympathetic nerve, and the LF / HF at this time becomes large. On the other hand, when the occupant is in a relaxed state, the parasympathetic nerve is superior to the sympathetic nerve, and the LF / HF at this time becomes smaller.

  Here, as shown in FIG. 5, when the change in room temperature within a fixed period is large, the sympathetic nerve dominates, that is, the sympathetic nerve becomes active, and the LF / HF tends to be large. This means that if the rate of change of room temperature is large, the body is stressed and stress tends to increase. For example, when the cooling operation is performed to lower the room temperature, if the room temperature drops significantly within a certain period, the load on the occupant's body will be large.

  Also, as shown in FIG. 6, the room temperature largely changed within a certain period, and even when the room occupant's LF / HF increased, the room temperature change disappeared or decreased. In the state, LF / HF decreases with time, and the load on the body decreases.

  Therefore, the air conditioning system 1 according to the present embodiment calculates the LF / HF based on the heart rate of the occupant, and performs the air conditioning control in consideration of the calculated LF / HF. Improve comfort by preventing the load from increasing.

  Returning to the explanation of FIG. 4, when there is no problem in the physical condition of the occupant (Step S5: Yes), the control unit 7 of the air conditioner 2 predetermines LF / HF which is an index value of the autonomic nerve of the occupant. It is confirmed whether it is within the defined reference range (step S6). In step S6, the control unit 7 of the air conditioner 2 analyzes the heart rate included in the biological information acquired from the biological information collecting terminal 3 to obtain LF / HF, and the obtained LF / HF is within the reference range. Determine if there is.

  For the reference range of LF / HF, for example, LF / HF is determined multiple times when the user is at rest in a thermally neutral state, and the average value of the multiple LF / HFs determined and variations are taken into consideration. To decide. For men, women, adults, children, and people of various attributes such as age, it is recommended to determine LF / HF multiple times when resting, and to determine the reference range based on the determined LF / HF. Also, prepare a plurality of reference ranges corresponding to each of a plurality of types of attributes, such as a reference range used when the room occupant is male and a reference range used when the woman is occupant, and The reference range may be used properly depending on the situation.

  When the index value of the autonomic nerve of the occupant is not within the reference range (step S6: No), the control unit 7 changes the air conditioning operation (step S8). In step S8, the control unit 7 changes the air conditioning operation from the first operation performed so far to the second operation to reduce the load on the occupant's body. The first operation is the air conditioning operation performed when the index value of the occupant's autonomic nerve is within the reference range, and the second operation is the air conditioning performed when the index value of the occupant's autonomic nerve is not within the reference range It is an operation. An operation example in this case will be described with reference to FIG. FIG. 7 is a diagram showing an example of the air conditioning operation of the air conditioning system according to the first embodiment.

  In step S8, as shown in FIG. 7, when lowering the room temperature from a certain room temperature to the target temperature, LF / HF, which is an index value of the autonomic nerve of the occupant, deviates from the reference range when the room temperature decreases. When it is estimated that the load applied to the body is large, the control unit 7 controls the air conditioning unit 4 to change the operation of the air conditioner 2 to the air blowing operation so that the room temperature is maintained. The control unit 7 may suspend the operation to maintain the room temperature without changing the air conditioning unit 4 to the air blowing operation. At this time, the control unit 7 notifies the living body information collecting terminal 3 that the air conditioning operation has been changed, and the living body information collecting terminal 3 receiving the notification displays on the display unit 34 that the air conditioning operation has been changed. May be notified. The control unit 7 may notify the occupant of the room that the air conditioning operation has been changed through the remote control instead of the biological information collecting terminal 3. The air blowing operation and the temporary stop of operation correspond to the second operation described above.

  After the air conditioner 2 executes step S8 and changes the cooling operation to the air blowing operation or stops it, it acquires the biological information from the biological information collecting terminal 3 (step S9), and the index value of the autonomic nerve of the occupant It is checked whether (LF / HF) is within the reference range (step S10). Step S9 is the same process as step S4 described above, and step S10 is the same process as step S6 described above. If the index value of the autonomic nerve is not within the reference range (step S10: No), the air conditioner 2 returns to step S9. If the index value of the autonomic nerve is within the reference range (step S10: Yes), the air conditioner 2 cancels the change of the air conditioning operation (step S11). In step S11, the control unit 7 of the air conditioner 2 controls the air conditioning unit 4 to resume the same operation as the operation performed before the determination of “No” in step S6.

  In addition, when the air conditioner 2 determines that there is a problem with the physical condition of the occupant in the above-mentioned step S5 (step S5: No), the normal air conditioning operation is started, and notification that an abnormality is detected is notified. (Step S7). The normal air conditioning operation is an operation of adjusting the room temperature to the target temperature without considering the state of the occupant's autonomic nerve. In the normal air conditioning operation, the index value (LF / HF) of the occupant's autonomic nerve is not obtained. In the operation of notifying that the abnormality has been detected, the air conditioner 2 transmits, for example, a signal indicating that the abnormality has been detected to the living body information collecting terminal 3. The living body information collecting terminal 3 having received this signal displays, for example, the display of the contents shown in FIG. 8 on the display unit 34, detects that an abnormality is detected, and performs an ordinary air conditioning operation to the room occupant. Notice. This notification may be notified to the occupant through the remote control, or may be notified to a separately registered device capable of notification, for example, a smartphone.

  When it is determined that the index value of the autonomic nerve is within the reference range in the above step S6 (step S6: Yes) and when the above step S11 is executed, the air conditioner 2 received the stop operation of the air conditioning operation It is confirmed whether or not it is (step S12).

  When the stop operation of the air conditioning operation has not been received (step S12: No), the air conditioner 2 returns to step S3 and continues the operation. If the operation for stopping the air conditioning operation is received (step S12: Yes), the air conditioner 2 stops the air conditioning operation (step S13) and whether living body detection is always on or not, that is, even while the air conditioning operation is stopped It is checked whether it is necessary to perform an operation of acquiring biological information of a room person from the biological information collecting terminal 3 (step S14).

  When living body detection is always on (Step S14: Yes), the air conditioner 2 acquires biological information (Step S16), and checks whether the air conditioning operation start condition is satisfied (Step S17). Step S16 is the same process as steps S4 and S9 described above. In step S17, the control unit 7 confirms, for example, the room temperature and the target temperature detected by the environment detection unit 6, and satisfies the air conditioning operation start condition when the difference between the room temperature and the target temperature is larger than a specified value. I judge that there is. The control unit 7 may determine that the air conditioning operation start condition is satisfied when an abnormality is observed in the biological information acquired in step S16. For example, after stopping the cooling operation in step S13, the control unit 7 determines that the air conditioning operation start condition is satisfied when the skin temperature indicated by the biological information acquired in step S16 is higher than the threshold value for abnormality determination. Do. When the air conditioning operation start condition is not satisfied (step S17: No), the air conditioner 2 returns to step S16 and continues the operation, and when the air conditioning operation start condition is satisfied (step S17: Yes), The air conditioning operation is started (step S18), and the process returns to step S3.

  When living body detection is not always ON (Step S14: No), the air conditioner 2 stores the biological information and the environmental information acquired from the start of operation at Step S1 to the stop of operation at Step S13. At the same time, the air conditioning condition is stored (step S15). In the air conditioning condition, the index value of the autonomic nerve is within the reference range as the condition of the air conditioning operation that can be maintained, and represents the change amount of temperature per hour, that is, the change speed of room temperature. The air conditioning condition is, for example, the upper limit value of the rate of change of the room temperature during the air conditioning operation. In this case, the air conditioner 2 performs the air conditioning operation with an output such that the change rate of the room temperature does not exceed the air conditioning condition. In addition to the amount of change in temperature per hour, the type of air conditioning operation, that is, which operation of the heating operation, the cooling operation, the dehumidifying operation, etc., may be stored as the air conditioning condition. The air conditioner 2 stores the biometric information, the environment information, and the air conditioning condition in association with the individual-specific information of the occupant. The air conditioner 2 may hold the living body information, the environment information and the air conditioning condition by itself, or may transmit it to the living body information collecting terminal 3 or another device such as a remote controller and hold it.

  Here, the reason why the air conditioning system 1 stores biological information, environmental information, and air conditioning conditions will be described. As described above, when the rate of change in room temperature increases, the load on the occupant's body increases. However, even if the rate of change in room temperature is the same, the load on the occupant's body varies with the occupant. It is different. That is, even if the rate of change in room temperature is the same, the index value of the autonomic nerve of one occupant maintains the above-mentioned reference range, and the index value of the autonomic nerves of other occupants deviates from the reference range there is a possibility. Therefore, as shown in FIG. 9, the air conditioning system 1 performs the air conditioning operation under different air conditioning conditions for each occupant, thereby suppressing the frequency at which the index value of the autonomic nerve deviates from the reference range. This can further enhance the comfort. In the example shown in FIG. 9, since the index values of the autonomic nerves of the residents A and B deviate from the reference range when the air conditioning operation is performed under the standard air conditioning conditions, the standard air conditioning is performed for the residents A and B. It represents the use of air conditioning conditions in which the rate of change of room temperature is smaller than the conditions. In the comparison of the air conditioning condition of the resident A and the air conditioning condition of the resident B, the change rate of the room temperature according to the air conditioning condition of the resident A is smaller than the change speed of the room temperature according to the air conditioning condition of the resident B. On the other hand, when the air conditioning operation is performed under the standard air conditioning condition, the index value of the autonomic nerve of the resident C does not deviate from the reference range, and therefore, for the resident C, the change rate of the room temperature becomes larger than that of the standard air conditioning condition. Use air conditioning conditions.

  The air conditioning condition for each occupant is determined based on the biological information, the environmental information, and the air conditioning condition stored in step S15 described above. For example, the air conditioner 2 obtains the number of times the index value of the autonomic nerve deviates from the reference range, and when the frequency of deviance, that is, the number of departures within a fixed time exceeds the threshold, the air conditioning condition is room temperature. Change the upper limit of the change speed to a value smaller than the previous air conditioning conditions. As a result, in the air conditioning operation after the change, the temperature change amount per time becomes smaller compared to the air conditioning operation up to that point, so the load on the occupant's body is also reduced. The air conditioning system 1 performs the air conditioning operation according to a standard air conditioning condition determined in advance when there is no air conditioning condition corresponding to the occupant, such as when the air conditioning system 1 is operated for the first time after being installed. In this case, the air conditioning condition corresponding to the occupant is created when the air conditioning operation performed in accordance with the standard air conditioning condition is completed. The air conditioning conditions corresponding to the occupants are divided into the air conditioning conditions used in the heating operation and the air conditioning conditions used in the cooling operation, and are used in the heating operation after the heating operation. The air conditioning conditions may be updated, and after performing the cooling operation, the air conditioning conditions used in the case of the cooling operation may be updated.

  The air conditioning condition for each occupant may be determined by the air conditioner 2 or the biological information collecting terminal 3. When the air conditioner 2 determines the air conditioning condition for each occupant, the air conditioner 2 determines a new air conditioning condition and stores it in step S15 described above.

  When the air conditioner 2 stores the living body information, the environment information, and the air conditioning condition by itself, after identifying the occupant in the above-mentioned step S2, the air conditioner 2 corresponds to the occupant in the stored air conditioning condition. Air conditioning operation is performed according to the air conditioning conditions. In addition, when the biological information collection terminal 3 stores biological information, environmental information and air conditioning conditions, the air conditioner 2 responds to the occupant when acquiring the biological information by first executing the above step S4. The air conditioning conditions to be acquired are also acquired together, and the air conditioning operation is performed according to the acquired air conditioning conditions. The timing at which the air conditioner 2 acquires the air conditioning condition corresponding to the occupant from the living body information collecting terminal 3 is an example, and the air conditioning condition is performed between the execution of step S2 and the first execution of step S3. May be acquired from the biometric information collecting terminal 3.

  When the occupant instructs the operation start by operating the living body information collecting terminal 3 or the remote control, the air conditioning system 1 performs the air conditioning operation according to the air conditioning condition for each occupant or the standard air conditioning condition The occupant may be allowed to select whether to perform the air conditioning operation according to the above. When the room occupant operates the biological information collecting terminal 3 to instruct start of operation, the biological information collecting terminal 3 represents an operation mode in which the air conditioning operation is performed according to a selectable operation mode, for example, standard air conditioning conditions. The display unit 34 displays “standard mode” and “safety mode” indicating an operation mode in which the air conditioning operation is performed according to the air conditioning condition for each occupant, and one of them is selected.

  When there are a plurality of people in the room and a plurality of living body information collection terminals 3 as well, the air conditioner 2 acquires the living body information of the living room from the living body information collection terminals 3. Then, the air conditioner 2 obtains the index values of the autonomic nerves of the plurality of occupants, and one or more of the obtained index values of the autonomic nerves deviate from the reference range, as shown in FIG. 4. Step S8 is executed to change the air conditioning operation, that is, change it to the air blowing operation or interrupt the operation. Thereafter, when the index values of the autonomic nerves of the plurality of occupants all fall within the reference range, the air conditioner 2 executes step S11 shown in FIG. 4 to resume the original operation. The tolerance to the load on the occupants' body is considered to be different for each occupant, so the reference range used in determining whether the occupant's physical load is large is determined for each occupant. It may be different.

  When a resident newly enters the room where the air conditioner 2 is installed while the air conditioner 2 is in operation, the biological information collection terminal 3 owned by the resident who has entered the room holds Send personal information specific to the air conditioner 2 The biometric information collection terminal 3 owned by the resident who has entered the room transmits the held individual-specific information when the resident performs the determined operation. When the air conditioner 2 receives the individual-specific information, it determines that the number of occupants has increased. In addition, when the air conditioner 2 can not acquire the biological information from the biological information collecting terminal 3 in step S4 illustrated in FIG. 4, it is assumed that the resident who owns the biological information collecting terminal 3 who can not acquire the biological information has left the room to decide. The air conditioner 2 may determine that the resident has left the room when the living body information can not be acquired continuously from the same living body information collecting terminal 3 a determined number of times. Moreover, the judgment method of entering and leaving the room is not limited to this. For example, the air conditioner 2 may be determined by another method, such as determining whether to enter or leave the room based on the presence or absence of electrical connection with the biological information collecting terminal 3.

  As described above, in the air conditioning system 1 according to the present embodiment, the air conditioner 2 is the index value of the autonomic nerve of the occupant based on the biometric information of the occupant acquired from the biometric information collecting terminal 3 The air conditioning operation is controlled based on the index value of the autonomic nerve. As a result, air conditioning control can be performed in consideration of the load applied to the occupant's body from the index value of the autonomic nerve, and air conditioning with improved comfort can be realized.

  Among the functions possessed by the biological information collecting terminal 3 described in the present embodiment, the air conditioner 2 may have a function of detecting the biological information of the occupant. That is, the biological information acquisition unit 31 may be provided in the air conditioner 2.

Second Embodiment
FIG. 10 is a diagram showing the concept of an air conditioning system according to a second embodiment of the present invention. The air conditioning system 1a according to the second embodiment collects the biological information representing the physical condition of the user, and the air conditioner 2a, which is the first air conditioner that controls the environment of the space in which the user lives. A living body information collecting terminal 3a and an air conditioner 20 which is a second air conditioner are provided.

  In the present embodiment, parts different from the air conditioning system 1 according to the first embodiment will be described, and the description of the common parts will be omitted.

  FIG. 11 is a diagram showing a configuration example of the air conditioners 2a and 20 and the biological information collecting terminal 3a constituting the air conditioning system 1a according to the second embodiment.

  The air conditioner 2a includes an air conditioning unit 4, a wind direction control unit 5, an environment detection unit 6, a control unit 7a, and a communication unit 8. The components other than the controller 7a are the same as the air conditioner 2 described in the first embodiment. The control unit 7 a performs the same operation as the control unit 7 of the air conditioner 2, but the content of the operation to be executed when the index value of the autonomic nerve of the occupant deviates from the reference range is the control unit 7. It is different from

  The air conditioner 20 includes an air conditioning unit 24, a wind direction control unit 25, an environment detection unit 26, a control unit 27, and a communication unit 28. The air conditioning unit 24, the wind direction control unit 25, the environment detection unit 26 and the communication unit 28 are respectively the air conditioning unit 4, the wind direction control unit 5, the environment detection unit 6 and the communication unit 8 of the air conditioner 2 described in the first embodiment. Do the same as The control unit 27 controls the air conditioning unit 24 and the wind direction control unit 25 based on various information collected by the environment detection unit 26. The control operations of the air conditioning unit 24 and the wind direction control unit 25 by the control unit 27 are the same as the control operations of the air conditioning unit 4 and the wind direction control unit 5 by the control unit 7 a.

  The air conditioner 20 communicates with the air conditioner 2a, and operates according to an instruction from the air conditioner 2a.

  The configuration of the biological information collection terminal 3a is the same as that of the biological information collection terminal 3 described in the first embodiment, but the operation is partially different, such as the content displayed on the display unit 34 while the air conditioning operation is performed.

  In the air conditioning system 1 according to the first embodiment, when the index value of the autonomic nerve of the occupant deviates from the reference range, the change is made to the air blowing operation or the operation is interrupted, but according to the present embodiment In the air conditioning system 1a, the air conditioning operation is changed by causing the occupant to select an air conditioner to be used.

  FIG. 12 is a flowchart showing an example of the air conditioning operation by the air conditioning system 1 a according to the second embodiment. In the operation shown in FIG. 12, step S8 of the flowchart shown in FIG. 4 is replaced with step S21, and step S11 is replaced with step S22.

  In the air conditioning system 1a, when the operation is started in step S1, both of the air conditioners 2a and 20 start operation. The air conditioner 2a executes the subsequent steps S2 to S7, and the air conditioner 20 performs only the air conditioning operation to bring the room temperature close to the target temperature. Therefore, only the air conditioner 2a acquires the biological information from the biological information collecting terminal 3, and it is determined whether the biological information is normal or not, the index value of the autonomic nerve of the occupant is within the reference range, etc. Do. The air conditioner 20 acquires the air conditioning condition described in the first embodiment from the air conditioner 2a, and performs the air conditioning operation according to the acquired air conditioning condition.

  When the index value of the autonomic nerve of the occupant is not within the reference range (Step S6: No), the air conditioner 2a executes Step S21, and selects the air conditioner that continues the air conditioning operation. In step S21, the air conditioner 2a transmits a signal indicating that the index value of the autonomic nerve of the occupant deviates from the reference range to the living body information collecting terminal 3a. The living body information collecting terminal 3a having received this signal, for example, displays the display of the contents shown in FIG. 13 on the display unit 34, and allows the room occupant to select an air conditioner to be used. Here, the air conditioner A corresponds to the air conditioner 2a, and the air conditioner B corresponds to the air conditioner 20. When the air conditioner to be used is selected by the room occupant, the living body information collecting terminal 3a transmits a signal indicating the selected air conditioner to the air conditioner 2a. When the received signal indicates the air conditioner A, the air conditioner 2a that has received this signal continues the air conditioning operation and instructs the air conditioner 20 to stop its operation to stop the air conditioner 20. . Also, when the received signal indicates the air conditioner B, the air conditioner 2a stops the air conditioning operation. In step S21, the air conditioner 2a stops the air conditioner 20 or stops itself when the specified time elapses without the signal indicating the selected air conditioner being transmitted from the living body information collecting terminal 3a. Thus, only one air conditioner continues the air conditioning operation. In this case, which one of the air conditioners 2a and 20 continues the air conditioning operation may be determined in advance by the occupant, or may be determined according to the past selection results of the occupant. As the number of air conditioners performing the air conditioning operation decreases, the rate of change in room temperature decreases, and the index value of the occupant's autonomic nerve returns to the reference range as time passes.

  After the air conditioner 2a executes step S21 and stops the air conditioning operation of the air conditioner 20 or stops the air conditioning operation by itself, the operation continues to obtain the biological information from the biological information collecting terminal 3a, and the step S9 And execute S10.

  If the air conditioner 2a determines in step S10 that the index value of the autonomic nerve is within the reference range (step S10: Yes), the air conditioner 2a cancels the selection of the air conditioner (step S22). Specifically, the air conditioner 2a resumes the air conditioning operation when it has stopped the air conditioning operation, and resumes the air conditioning operation when the air conditioner 20 has stopped the air conditioning operation. By instructing the conditioner 20, both of the air conditioners 2a and 20 return to the state of performing the air conditioning operation.

  When there are multiple occupants, the air conditioner 2a checks, for each of the occupants, whether the index value of the autonomic nerve is within the reference range, and the index value of the autonomic nerve is not within the reference range. If there is an occupant, let the occupant select an air conditioner to continue the air conditioning operation. Thereafter, when the index values of the autonomic nerves of all the occupants fall within the reference range, the air conditioner 2a cancels the selection of the air conditioner (step S22).

  As described above, the air conditioning system 1a according to the present embodiment includes the air conditioners 2a and 20, and is selected by the occupant when the index value of the autonomic nerve of the occupant deviates from the reference range. It is decided that the air conditioner continues the air conditioning operation. Thus, as in the first embodiment, the air conditioning operation can be performed in consideration of the state of the load applied to the occupant's body from the index value of the autonomic nerve, and the air conditioning with improved comfort can be realized.

Third Embodiment
FIG. 14 is a diagram showing the concept of an air conditioning system according to a third embodiment of the present invention. An air conditioning system 1b according to a third embodiment includes an air conditioner 2b for controlling an environment of a space in which a user resides, a living body information collecting terminal 3 for collecting living body information representing a user's physical condition, and lighting And an apparatus 10. The living body information collecting terminal 3 of the air conditioning system 1 b is the same as the living body information collecting terminal 3 of the air conditioning system 1 according to the first embodiment. The lighting device 10 is configured to be able to change the color temperature and the illuminance of the indoor lighting, and is further configured to be able to communicate with the air conditioner 2b.

  In the present embodiment, parts different from the air conditioning system 1 according to the first embodiment will be described, and the description of the common parts will be omitted.

  FIG. 15 is a view showing a configuration example of the air conditioner 2b and the living body information collecting terminal 3 which constitute the air conditioning system 1b according to the third embodiment.

  The air conditioner 2b includes an air conditioning unit 4, a wind direction control unit 5, an environment detection unit 6, a control unit 7b, and a communication unit 8. The components other than the controller 7b are the same as the air conditioner 2 described in the first embodiment. The control unit 7 b performs the same operation as the control unit 7 of the air conditioner 2, but the content of the operation to be executed when the index value of the autonomic nerve of the occupant deviates from the reference range is the control unit 7. It is different from

  In the air conditioning system 1 according to the first embodiment, when the index value of the autonomic nerve of the occupant deviates from the reference range, the change is made to the air blowing operation or the operation is interrupted, but according to the present embodiment In the air conditioning system 1b, in addition to changing the operation of the air conditioner 2b, the color temperature and the illuminance of the room lighting by the lighting device 10 are changed.

  FIG. 16 is a flowchart showing an example of the air conditioning operation by the air conditioning system 1 b according to the third embodiment. In the operation shown in FIG. 16, step S8 of the flowchart shown in FIG. 4 is replaced with step S31, and step S11 is replaced with step S32.

  When the index value of the autonomic nerve of the occupant is not within the reference range (Step S6: No), the air conditioner 2b executes Step S31, and changes the air conditioning operation and the lighting setting of the lighting device 10. In step S31, the air conditioner 2b changes to the air blowing operation or suspends the operation as in step S8 of the flowchart shown in FIG. 4, and further performs at least one of the color temperature and the illuminance on the lighting device 10. Give instructions to lower it. The illumination device 10 receiving this instruction changes the color temperature and / or the illuminance according to the instruction.

  When the color temperature of the indoor lighting is lowered and the illuminance is lowered, the occupants relax and have an effect of lowering the LF / HF.

  When the air conditioner 2b determines that the index value of the autonomic nerve is within the reference range in step S10 (step S10: Yes), the change performed in step S31 is cancelled (step S32). That is, the air conditioner 2b cancels the selection of the air conditioner for canceling the change of the operation of the own device and the change of the setting of the lighting device 10 (step S32). In step S32, the control unit 7b of the air conditioner 2b controls the air conditioning unit 4 to resume the same operation as the operation performed before the determination of “No” in the above step S6, and the lighting device 10 Instructs the lighting settings to be restored to.

  In step S31, the air conditioner 2b changes both the air conditioning operation and the illumination setting. However, only the illumination setting may be changed without changing the air conditioning operation. As described above, when changing the light setting to lower at least one of color temperature and illuminance has the effect of lowering LF / HF, the condition of the autonomic nerve of the occupant is improved, and the load on the body is reduced. Is reduced.

  In step S31, the occupant may be made to select which of the air conditioning operation and the illumination setting is to be changed. When the illumination setting is to be changed, which of the color temperature and the illuminance is further changed. You may be made to select one.

  As described above, in the air conditioning system 1b according to the present embodiment, the air conditioning operation of the air conditioner 2b and the lighting setting of the lighting device 10 are performed in the state where the index value of the autonomic nerve of the occupant deviates from the reference range. It is decided to change both or change the light setting of the lighting device 10. Thus, as in the first embodiment, the air conditioning operation can be performed in consideration of the state of the load applied to the occupant's body from the index value of the autonomic nerve, and the air conditioning with improved comfort can be realized.

  In addition, although the structure in the case of adding the illuminating device 10 to the air conditioning system 1 demonstrated in Embodiment 1 was demonstrated, it is also possible to add the illuminating device 10 to the air conditioning system 1a demonstrated in Embodiment 2 is there. In this case, when the first air conditioner detects that the index value of the autonomic nerve of the occupant is not within the reference range, the first air conditioner causes the occupant to select the air conditioner that continues the air conditioning operation, and lighting And performing an operation to change the lighting settings of the device 10.

  The configuration shown in the above embodiment shows an example of the contents of the present invention, and can be combined with another known technique, and one of the configurations is possible within the scope of the present invention. Parts can be omitted or changed.

  1, 1a, 1b air conditioning system, 2, 2a, 2b, 20 air conditioners, 3, 3a biological information collecting terminal, 4, 24 air conditioning unit, 5, 25 wind direction control unit, 6, 26 environment detection unit, 7, 7a, 7b, 27 control unit, 8, 28, 32 communication unit, 10 illumination device, 31 biometric information acquisition unit, 33 storage unit, 34 display unit, 35 input unit.

Claims (13)

A biological information collecting terminal for collecting biological information representing the physical condition of the occupant;
An index value representing the state of the autonomic nerve of the occupant is calculated based on the biological information, and if the index value is not within a predetermined reference range, the air conditioning operation is performed from the first operation to the second operation. The air conditioner to change to the operation of
An air conditioning system comprising: The first operation is a cooling operation or a heating operation,
The second operation is a blowing operation or a temporary stop of operation,
The air conditioning system according to claim 1. When the air conditioner changes the air conditioning operation, the biological information collection terminal displays on the display unit that the air conditioning operation has been changed.
The air conditioning system according to claim 1 or 2. The biological information collection terminal calculates the index value indicating which of the sympathetic nerve and the parasympathetic nerve is dominant based on the biological information, and the index value indicates that the sympathetic nerve is dominant Change the air conditioning operation from the first operation to the second operation,
The air conditioning system according to any one of claims 1 to 3. The air conditioner returns the air conditioning operation from the second operation to the first operation when the index value is in the reference range after the index value is not in the reference range.
The air conditioning system according to any one of claims 1 to 4. The living body information collecting terminal repeatedly collects the living body information in a predetermined cycle,
The air conditioner is based on the biological information collected by the biological information collecting terminal between start and stop of operation and a measurement result of room temperature between start and stop of operation. Determine the conditions for the next air conditioning operation to be performed in a state where the occupant is present in the air conditioning target space,
The air conditioning system according to any one of claims 1 to 5. If there are multiple people in the room,
The air conditioner calculates an index value representing the state of the autonomic nerve of each occupant, and if any of the calculated index values is not within the reference range, the air conditioning operation is performed as the first operation. Change to the second operation,
The air conditioning system according to any one of claims 1 to 6. The biological information includes skin temperature, heart rate and sweat rate of the room occupant,
The air conditioner causes the room temperature to approach the target temperature without considering the index value when one or more of the skin temperature, the heart rate, and the amount of sweating deviate from a predetermined range. Do the action,
The air conditioning system according to any one of claims 1 to 7. The biological information includes skin temperature, heart rate and sweat rate of the room occupant,
The biological information collection terminal continues the operation of collecting the biological information even when the air conditioner stops the air conditioning operation,
When the air conditioner detects that one or more of the skin temperature, the heart rate, and the amount of sweating deviate from a predetermined range while stopping the air conditioning operation, the air conditioning operation is performed. Start,
The air conditioning system according to any one of claims 1 to 7. When the air conditioner detects that one or more of the skin temperature, the heart rate and the amount of sweating deviate from a predetermined range in a state in which the air conditioning operation is stopped, the index value Start an air conditioning operation different from the air conditioning operation in consideration of
The air conditioning system according to claim 9. Equipped with a lighting device,
The air conditioner changes the air conditioning operation from the first operation to the second operation when the index value is not in a predetermined reference range, and the color temperature of the illumination by the illumination device To change one or both of
The air conditioning system according to any one of claims 1 to 10. A biological information collecting terminal for collecting biological information representing the physical condition of the occupant;
A first air conditioner having a function of calculating an index value representing the state of the autonomic nerve of the occupant based on the biological information;
A second air conditioner,
Equipped with
If the index value is not within the predetermined reference range, the air conditioner selected by the occupant of the room among the first air conditioner and the second air conditioner performs the air conditioning operation. continue,
Air conditioning system. A biological information acquisition unit that collects biological information representing the physical condition of the occupant;
An index value representing the state of the autonomic nerve of the occupant is calculated based on the biological information, and if the index value is not within a predetermined reference range, the air conditioning operation is performed from the first operation to the second operation. Control unit to change to the operation of
An air conditioner equipped with

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