JPH0749021B2 - Sleeping equipment - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sleeping device that cools by blowing air.

2. Description of the Related Art As shown in FIGS. 4 and 5, a conventional sleeping apparatus of this type has a blower 2 for blowing air into a mat 1 capable of forced ventilation.
And a controller 5 for controlling on / off of the blower 2 based on signals from the air temperature sensor 3 and the mat temperature sensor 4, and when the air temperature Ta and the mat temperature Tm exceed a predetermined temperature To, the first
The blower 2 was made to operate periodically based on the table. For example, when Ta is 30 ° C., the blower 2 is turned on for 14 minutes (ton) and turned off for 6 minutes (t) as shown in Table 1.
drive in a cycle such as off). (For example, JP-A-5
(8-25116 publication) DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention However, in the above-described configuration, as shown in Table 1, the higher the air temperature Ta, the longer the time To for which the blower is on.
Since n is long, there is a problem that the cooling effect is reduced due to the user becoming accustomed to the blown airflow, especially at high temperatures. Further, regardless of whether the air temperature Ta is high or low, since the air volume is the same when the air temperature is on, it may be uncomfortable when the air temperature Ta is too low.
There was a problem that the feeling of cold wind was strong and uncomfortable when starting.

The present invention solves the conventional problems, and an object of the present invention is to provide a sleeping apparatus that does not reduce the cooling effect of air blowing and that controls the amount of air blown so as not to generate a feeling of cool air when the air blower is started. .

Means for Solving the Problems To solve the above problems, the sleeping apparatus of the present invention is a mat having a cavity inside and a large number of air outlets on the surface, a blower for blowing air to the inside of the mat, and a temperature. The sensor comprises a sensor, a calculation means for calculating the amplitude and the cycle of the blower pattern of the blower based on a signal from the temperature sensor, and a control means for controlling the blown amount of the blower by the signal from the calculation means.

With the above configuration, the amplitude and the cycle of the blower pattern of the blower are calculated according to the temperature detected by the temperature sensor,
The air flow rate of the blower is controlled based on the air flow pattern.

Example Hereinafter, an example of the present invention will be described with reference to the accompanying drawings. FIG. 1 is a principle configuration diagram of a blowing unit of a sleeping apparatus, and FIG. 2 is a perspective view of the apparatus. Here, 6 is a mat made of a cylindrical cushion material 7 and a non-breathable cloth 8 around the periphery.
Is sewn on. The cushion material 7 has grooves 9 and 10 formed on the front surface and the back surface thereof, respectively, and the groove portion 10 on the back surface is connected to the cavity 11 inside the cloth 8 in the peripheral portion. The surface groove 9 has a large number of air outlets 12 communicating with the cavity 11.
Reference numeral 13 denotes a blower unit having a blower 14, a calculation means 15 for calculating a blow pattern of the blower 14 and a control means 16, which are connected to a cavity 11 and a connection port 20 via a duct 19. A temperature sensor 17 detects the room temperature around the blower unit. 18 is an air suction port.

In the above configuration, if the blower 14 is operated, the air suction port 18
The room air sucked in is sent to the inside of the cavity 11 through the duct 19 and is blown to the surface of the mat 6 from the air outlets 12 provided in the grooves 9 and 10.

At this time, the blowing amount Q of the blower 14 is controlled as follows. First, the room temperature Ta detected by the temperature sensor 17 is input to the calculating means 15, and the first calculating portion 15a calculates the period T and the amplitude D of the periodic function F shown in the equation (1) based on the relationship shown in FIG.
Is calculated. In the equation (1), c is a constant, 2π, and t is time.

Q = D · sin (c · t / T) (1) Subsequently, the second calculation unit 15b calculates the air flow rate Q based on the equation (1), and the control means 16 calculates the calculated value Q.
Based on the above, the operation of the blower 14 is controlled.

That is, the higher the room temperature, the shorter the cycle T and the amplitude D
Since the temperature is large, even if the room temperature is high, the user does not get accustomed to the airflow, and the cooling effect continues.
When the room temperature is low, the cycle T is large and the amplitude D is small, so that the user can sleep comfortably without worrying about being too cold. Further, since the blower 14 is controlled so as to gradually increase the amount of air blow and gradually decrease the amount of air blow due to the nature of the function, it does not cause the user to feel cold air at the time of starting and cause discomfort.

Although the temperature sensor detects the room temperature Ta and determines the period T and the amplitude D of the periodic function F by the room temperature Ta in the above embodiment, the temperature sensor is arranged on the mat to detect the temperature in the bed. Alternatively, the period T and the amplitude D of the periodic function F may be determined by detecting the body temperature of the user, and the same effect can be obtained.

Effects of the Invention As described above, according to the sleeping apparatus of the present invention, the following effects are obtained.

That is, the cycle and amplitude of the blower pattern of the blower are calculated according to the temperature, and the blower air of the blower is controlled based on the blower pattern to cool the blower. While continuing, you can sleep comfortably without feeling too cold or feeling cold when starting.

[Brief description of drawings]

FIG. 1 is a principle configuration diagram of a sleeping apparatus showing an embodiment of the present invention, FIG. 2 is a partially cutaway perspective view showing the configuration of the apparatus, and FIG.
The figure shows the room temperature and the function of the period and the amplitude of the periodic function used in the device, and FIG. 4 is a perspective view of the conventional sleeping device, and FIG.
The figure is a principle configuration diagram of the device. 6 ... Matt, 11 ... Hollow, 12 ... Air outlet, 14 ...
Blower, 15 …… Computing means, 16 …… Control means, 17 …… Temperature sensor.

Claims (4)

[Claims] 1. A mat having a hollow interior and a large number of air outlets on the surface, a blower for blowing air to the inside of the mat, a temperature sensor, and a blowing pattern of the blower based on signals from the temperature sensor. A sleeping device comprising a calculation means for calculating the amplitude and the cycle of the blower and a control means for controlling the amount of air blown by the blower according to a signal from the calculation means. 2. The sleeping apparatus according to claim 1, wherein the temperature sensor detects room temperature. 3. The sleeping apparatus according to claim 1, wherein the temperature sensor is provided on the mat body and detects the temperature inside the bed. 4. The sleeping apparatus according to claim 1, wherein the temperature sensor detects body temperature.