JP2596233B2 - Bed equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bed apparatus for controlling the environment of a bed and a bedroom on the basis of information on the human body of a resident.

[0002]

2. Description of the Related Art In recent years, there has been an increasing need for a comfortable bedroom space with the sophistication of the living environment.

Conventionally, a bedroom is generally controlled based on air conditioning information such as indoor temperature and humidity. Further, as a method of controlling the environment in a bed, attempts have been made to detect a body motion of a bed occupant using a piezoelectric sensor to control sleep asleep or to detect a pulse or the like.

[0004]

However, according to the above-mentioned conventional control method, a sleeper in a bed cannot always obtain a comfortable sleep state, and more detailed control for providing a comfortable sleep. However, there is a problem that there is a shortage of information about the occupants.

An object of the present invention is to solve the above-mentioned conventional problems, and an object of the present invention is to provide a bed apparatus capable of grasping a large amount of information on a bed occupant in a bed and sleeping in a comfortable environment.

[0006]

As a first means for solving the above-mentioned problems, a heating means mounted on a bed body, a blowing means for blowing air into a bed, and a body temperature of a bed occupant are detected. A body temperature detecting unit, a humidity detecting unit for detecting a sweating state, and a control unit, wherein the control unit receives signals from the body temperature detecting unit and the humidity detecting unit, outputs the signals to the heating unit and the blowing unit, and outputs the signals to the inside of the bed. As a second means, the body temperature detecting means is provided at the chest and the foot, and detects the degree of cooling of the occupant based on the temperature difference detected by the body temperature detecting means. As a third means, a room temperature detecting means for detecting the room temperature of the bedroom is provided, and the floor is heated based on the temperature data of the room temperature detecting means and the body temperature detecting means. Is detected by the presence of In this mode, the bed is preheated or dried, and as a fourth means, an alarm means for notifying an abnormality of the bed occupant is provided, and an abnormality of the bed occupant is detected by signals from the body temperature detecting means and the humidity detecting means. The fifth means is provided with environmental control means for controlling the temperature, humidity, lighting, fragrance and the like in the bedroom, and human body information from the body temperature detecting means and the humidity detecting means is provided as fifth means. This is output to the environment control means to control the environment in the bedroom.

[0007]

According to the above construction, the first effect is that the signals of the body temperature detecting means and the humidity detecting means are inputted to the control means, and the heating means and the blowing means are arranged so as to provide a bed environment suitable for the occupant's constitution. The second operation is to detect the degree of cooling of the occupant based on the temperature difference detected by the body temperature detecting means, and to preferentially heat the feet, and As an operation of 3, the room temperature detecting means detects the room temperature in the bedroom, detects the presence or absence of a bed occupant based on the temperature data of the room temperature detecting means and the body temperature detecting means, and preheats the inside of the bed in a preset mode or The fourth operation is to detect an abnormal state of the occupant by signals from the body temperature detecting means and the humidity detecting means, and to notify the abnormal of the occupant by the alarm means. And, as a fifth effect, And controls the environment within the bedroom and outputs the environmental control unit on the basis of the human-body information from the temperature sensing means and humidity sensing means.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 3 show a first embodiment, in which a pad 3 on a mat 2 provided on a bed body 1 has a sensor group 6 composed of a body temperature detecting means 4 and a humidity detecting means 5.
Is installed. A control means 7 is provided at the lower part of the bed body 1.
This includes a sensor circuit unit, a signal processing circuit unit, a wireless data transmission unit using weak or low-power radio waves, a power supply unit, a wireless data transmission unit, and the like. The body temperature detecting means 4 is composed of a micro thermistor or a thermocouple provided on a flexible substrate, and the body temperature of a bed occupant in the bed is transferred to the sensor group 6 provided on the pad 3 through a garment and sheets with a constant attenuation rate. . Since the attenuation rate is substantially determined by the presence or absence of the comforter, the temperature in the bedroom and the temperature of the two mats, the body temperature of the occupant can be inversely calculated based on this value. The body temperature detecting means 4 can accurately estimate the body temperature by providing a material having a large thermal resistance under the thermistor. For example, the output of a thermistor buried immediately below the human body is approximately -1 ° C to -2 ° C, which is the body temperature.
And at least 15 at the chest of the bed body 1
By arranging the body temperature detecting means 4 in rows at cm intervals,
The body temperature of the laying person lying on the bed can be evaluated within a range of ± 1 ° C. The humidity detecting means 5 is protected by a moisture-permeable nonwoven fabric having a water-repellent effect, and is a sensor for detecting the perspiration of a bed occupant in a bed by humidity, and diffuses with a constant attenuation rate. The attenuation rate varies depending on the presence or absence of the comforter, the material of the bedding, and the humidity in the bedroom. The level D is set so that it is possible to determine a stage such as a non-sweat state. FIG.
It is preferable that the body temperature detecting means 4 and the humidity detecting means 5 are close to each other as described above, and the measured value makes it possible to calculate the absolute humidity from the relative humidity value. Further, a heating means 8 is provided on the surface of the mat 2 and divided so as to heat the upper and lower parts of the human body separately. Configuration. Here, the blowing means 9 is driven by a motor fan (not shown) so that
When the air is blown from the lower part, the wind passes through the pad 3 and reaches the bed. It is also possible to easily provide a duct inside the bed body 1 to provide a large number of ventilation holes on the surface.

In the above configuration, human body information such as the body temperature and the state of sweating of the bed occupant using the bed is detected by the sensor group 6 and input to the control means 7 and after information processing, the heating means 8
By controlling the data transmitted to the blower means 9 by wire or wirelessly, the inside of the bed becomes an environment of optimal temperature and humidity.

FIG. 4 shows a second embodiment. The difference from the first embodiment is that the body temperature detecting means 4 is provided at the chest and the feet. That is, the body temperature detecting means 4 is arranged in rows at 15 cm intervals at the chest of the bed and at 7 cm intervals at the feet, and the body temperature of the bed occupant lying on the bed is measured within a range of ± 1 ° C., and the temperature difference is entered. The degree of cooling of the feet of the floor person is detected, and the feet are preferentially heated. This method can create a bedding environment suitable for people with chills.

FIG. 5 shows a third embodiment. The difference from the first embodiment is that a room temperature detecting means 10 for detecting the room temperature in the bedroom is provided, and the room temperature detecting means 10 and the body temperature detecting means 4 are provided. It is to detect the presence or absence of a bed occupant based on the temperature data of the bed and to preheat or dry the bed in a preset mode, and to make the environment inside and outside the bed comfortable before entering the bed. it can. Here, the room temperature detecting means 10 may be provided on the bed main body 1 or may be provided on a wall surface in the bedroom for remote control.

FIG. 6 shows a fourth embodiment. The difference from the first embodiment is that an alarm means 11 for notifying an abnormality of a bed occupant is provided, and a body temperature detecting means 4 and a humidity detecting means are provided. The abnormal signal of the bed occupant is detected based on the signal from 5, and an alarm is issued. If the temperature does not decrease for a long period of time, it is determined that the patient is in a fever state due to the sickness of the occupant, and an alarm is issued. If the relative humidity of 100% or more continues even after the drying operation is performed, It judges that it is anomalous such as a cat and issues an alarm. The alarm means 11 may be an alarm such as a chime or a bell installed on the bed body 1 or the wall in the bedroom, or a notification to a nurse in a neighboring room or a medical institution depending on the use of the bed. By providing this means, a multifunctional bed system capable of health care can be provided.

FIG. 7 shows a fifth embodiment, which is different from the first embodiment in that an environmental control means 12 for controlling an air conditioner, lighting and the like in a bedroom is provided, and a body temperature detecting means 4 and The environment in the bedroom is controlled based on the human body information from the humidity detecting means 5. A plurality of body temperature detecting means 4
The body movement of the occupant is detected based on the change in the temperature distribution obtained by the movement, so that the body movement is within a certain period of time (10 to 15 minutes).
The sleep depth is determined when the body extremely decreases, and the sleep depth is determined based on the awake state and the body movement frequency when the body movement extremely increases. According to the determination of the sleep depth, the light is input from the control means 7 to the environment control means 12 to darken the light when falling asleep, and when it takes time to fall asleep, a scent having a sedative effect is drifted or BGM is played. During awakening, it drives devices such as sound and air conditioning that match the body movement. The environment control unit 12 can be easily realized by providing a transmission unit (not shown) in the bed body 1 and transferring the transmission unit to the reception unit of the home bus system by wireless transmission of weak radio waves or infrared rays. With this configuration, a comfortable sleeping environment can be obtained.

FIG. 8 is a flow chart summarizing the operation of the control means in the above configuration. That is, in step (1), standard data is input in advance,
When the measurement is started in step (2), the temperature and humidity in the room and the bed are measured. In step (3), the presence or absence of an in-bed person is determined based on the room temperature and the in-bed temperature data. If no person is present, the in-bed chest temperature (hereinafter referred to as Tb) becomes 1
When the temperature is 8 ° C. or less, the preset in-bed preheating mode is executed, and when the in-bed chest humidity (hereinafter referred to as Hb) is 80% or more, the preset in-bed drying mode is executed. If a bed person is confirmed, the indoor environment is determined in step (4). When Tr> 28 ° C., indoor cooling is executed, and when Tr <18 ° C., indoor heating is executed. When the indoor humidity (hereinafter, referred to as Hr) is Hr> 80%, indoor dehumidification is performed, and when Hr <30%, indoor humidification is performed. Next, in step (5), the temperature of the chest in the bed is determined, and cooling in the bed is performed at Tb> 38 ° C. on the high temperature side.
When Tb <34 ° C. on the low-temperature side, the in-bed heating is executed. In step (6), when the temperature of the feet in the bed (hereinafter referred to as Tf) is 34 ° C. or less and the difference from Tb is 2 degrees or more, the feet are preferentially heated. In step (7), the humidity in the bed (hereinafter referred to as Hb) is 80 on average.
%, The content of the abnormality is determined in step (8).
When the sweating level is equal to or higher than the sweating level B, the air blowing means 9 in the bed is driven to dry the bed, thereby alleviating the difficulty of sleeping due to sweating. When Hb> 100 ° C. continues for a long time, the alarm unit 11 notifies. The body movement of the occupant is detected by the temperature distribution change obtained by the plurality of sensors, and when the body movement is extremely reduced within a predetermined time (10 to 15 minutes), the patient falls asleep and the body movement is reduced. The sleep depth is determined based on the wakefulness state and the frequency of body movement at the time of extreme increase.

Although the control means 7 of the above-described embodiment uses a microcomputer which has been widely used in the past, the control means 7 may be performed by fuzzy control using a membership function, and neuro-control by a learning function. This is also possible. Further, although the air blowing means 9 is used to control the environment in the bed, the noise can be reduced by using a cooling device based on the Peltier effect as a means for lowering the temperature in the bed.

[0016]

As is apparent from the above description of the embodiment, the bed apparatus of the present invention has a heating means mounted on the bed body, a blowing means for blowing air into the bed, and a body temperature of the occupant. Body temperature detecting means, a humidity detecting means for detecting a state of perspiration, and a control means. The control means inputs signals from the body temperature detecting means and the humidity detecting means and outputs the signals to the warming means and the air blowing means to bedding. This configuration controls the temperature and humidity inside the room, and by adopting this configuration, a comfortable environment in the bedroom and the bed can be provided.

[Brief description of the drawings]

FIG. 1 is an external perspective view of a bed apparatus of the present invention.

FIG. 2 is an enlarged view of a sensor group used in the bed apparatus.

FIG. 3 is a block circuit diagram in the first embodiment of the bed apparatus.

FIG. 4 is a block circuit diagram of a second embodiment of the bed apparatus.

FIG. 5 is a block circuit diagram of a third embodiment of the bed apparatus.

FIG. 6 is a block circuit diagram according to a fourth embodiment of the bed apparatus.

FIG. 7 is a block circuit diagram according to a fifth embodiment of the bed apparatus.

FIG. 8 is an operation flowchart in the bed device of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Bed body 4 Body temperature detecting means 5 Humidity detecting means 7 Control means 8 Heating means 9 Blowing means

 ────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Susumu Kobayashi 1006 Kazuma Kadoma, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (56) References JP-A-56-97416 (JP, A)

Claims (4)

(57) [Claims] 1. A bed body, a heating means mounted on the bed body, a blowing means for blowing air into a bed, a body temperature detecting means for detecting a body temperature of a bed occupant, and a humidity detecting means for detecting a sweating state. Means for controlling the temperature and humidity in the bed by inputting signals from the body temperature detecting means and the humidity detecting means and outputting the signals to the heating means and the blowing means.
A bed apparatus, wherein the body temperature detecting means includes a chest and a foot.
Difference between the temperature detected at the chest and the temperature at the feet
Detects the degree of coldness of the occupant in the bed,
The temperature of the foot is preferentially controlled according to
Bed device that. 2. A bed body, and attached to the bed body.
Heating means, air blowing means for blowing air into the bed, and
Body temperature detecting means for detecting body temperature and humidity for detecting sweating state
Temperature detection means, and control means, wherein the control means is
Input the signals from the detection means and humidity detection means and
Controls temperature and humidity inside the bed by outputting it to the steps and the blowing means
This is a bed device that converts the room temperature in the bedroom and the temperature data in the bed.
The presence or absence of a bed occupant is determined based on the
Pre-heating or drying the bed in mode
That bed apparatus. 3. A bed body, and attached to the bed body.
Heating means, air blowing means for blowing air into the bed, and
Body temperature detecting means for detecting body temperature and humidity for detecting sweating state
Temperature detection means, and control means, wherein the control means is
Input the signals from the detection means and humidity detection means and
Controls temperature and humidity inside the bed by outputting it to the steps and the blowing means
An alarm means for notifying a bed occupant of a bed apparatus.
Is provided, and the signals from the body temperature detecting means and the humidity detecting means
It is characterized by judging the abnormal condition of the occupant and issuing a warning
Bed device that. 4. A bed body, and mounted on the bed body.
Heating means, air blowing means for blowing air into the bed, and
Body temperature detecting means for detecting body temperature and humidity for detecting sweating state
Temperature detection means, and control means, wherein the control means is
Input the signals from the detection means and humidity detection means and
Controls temperature and humidity inside the bed by outputting it to the steps and the blowing means
Bed apparatus, comprising a body temperature detecting means and a humidity detecting means
From the temperature, humidity, lighting and scent of the room
A bed device characterized by controlling any one of them .