JP2005342200A - Power control device of equipment - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a power control device of equipment capable of controlling the on/off of electric supply lines of the equipment as a whole in accordance with a sleep state of a client. <P>SOLUTION: The power control device controls the on/off of the electric supply lines of the equipment in accordance with a sleep state of a client. The power control comprises a sleep state detecting means for detecting a specific sleep state, a binary information holding means which is set by an output from the sleep state detecting means and is reset by a specific condition, and an electric supply line switch for controlling the on/off of the electric supply lines on the basis of an output from the binary information holding means. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a power supply control device for a device that turns on and off a power supply line of the device in accordance with a sleep state of a client.

  Prior art documents relating to a system that operates devices used by the client, such as a bed, an air conditioner, and a lighting device based on the life information of the client, particularly sleep stage information, include the following.

JP 2003-339664 A

  The technique disclosed in Patent Literature 1 uses biological information obtained without restriction, and is based on the six stages of sleep, which is an international standard. A method for accurately estimating in real time with a scale and a device using the method, and identifying a stage of sleep with a nominal scale based on the heart rate variability information and body movement information of a living body measured by an unconstrained biosensor It is characterized by that.

  A block 19 indicated by a chain line in FIG. 1 is sleep stage estimation means disclosed in Patent Document 1, and detects the pressure fluctuation of the air mattress 1 at which the client 3 goes to sleep by the unconstrained sensor means 4, and the filter means 5. Various biological information such as heartbeat, breathing, and snoring is extracted via

  These biological information is input to the sleep stage estimation calculation means indicated by the dotted line block 9, and is subjected to signal processing to heartbeat information Ib, continuous sleep stage information Sc, six-stage sleep information Sa based on a nominal scale, body movement information Im, Snoring information Is and respiratory information Ir are obtained. Since the signal processing algorithm is described in detail in Patent Document 1, the description thereof is omitted here.

  The biometric information obtained from the sleep stage estimation calculation means 9 is held in the storage / holding means 18, and the apparatus control for maintaining the client's condition monitoring, data recording, emergency notification, and comfortable environment using the comprehensive information Si. Etc. Patent Document 1 discloses examples of various device controls.

(1) In the conventional system, until the sleep depth is reached, it is possible to dimm the lighting 1: 1 corresponding to the sleep stage, to reduce the volume of the audio equipment, and to lower the set temperature of the heater, Once the depth of sleep is reached, it is not possible to operate the power supply line after that, regardless of the sleep stage, turning off the lights, turning off the audio equipment, and turning off the heating.

(2) Rather than turning on / off individual power supplies of lighting equipment, acoustic equipment, and heating equipment, it is impossible to operate the power feed lines that collectively turn on / off the power feed lines to those equipment.

  Therefore, the problem to be solved by the present invention is to realize a power supply control apparatus capable of collectively turning on / off the power supply lines of devices according to the sleep state of the client.

In order to achieve such a problem, the configuration of the present invention is as follows.
(1) In a power supply control device for a device that turns on / off the power supply line of the device according to the sleep state of the client,
Sleep state detection means for detecting a specific state of the sleep state;
Binary information holding means that is set at the output of the sleep state detection means and is reset under specific conditions;
A power supply line switch for operating the power supply line on or off at the output of the binary information holding means;
A power supply control device for equipment, comprising power supply line control means having

(2) The apparatus according to (1), wherein the sleep state is sleep stage information calculated based on biological information collected from the client.

(3) The apparatus according to (1), wherein the sleep state is sleep depth information calculated based on heartbeat information collected from the client.

(4) The device power control apparatus according to any one of (1) to (3), wherein the specific condition is detection of bed leaving or continuous hitting sound of the client.

(5) At least one of the power supply line control means and the power supply line switch is provided in a table tap for supplying power to a single device or a plurality of the devices. (1) to (4) The power supply control apparatus of the apparatus in any one.

(6) The power supply control device for a device according to any one of (2) to (5), further comprising biological information detection means for wirelessly transmitting the biological information.

As is apparent from the above description, the present invention has the following effects.
(1) Comfort: It is common to sleep with the lights bright and with the TV / radio on. For this reason, waking up and sleeping again during sleep may prevent deep sleep. In addition, there is a case where the patient cannot sleep well because he / she sleeps in an environment where it is difficult to sleep until he / she wakes up.

  By using the present invention, it is possible to automatically turn off the light and turn off the TV / radio when sleep goes deep even if the user turns to sleep with the light turned on or with the TV / radio turned on. . Therefore, it becomes possible to take a comfortable sleep.

(2) Energy saving: If the present invention is used, even if you go to sleep with the light turned on or with the TV / radio turned on, the light will turn off automatically when the sleep goes deeper, and the TV / radio will be turned off. It is possible. Therefore, it is possible to achieve a comfortable sleep and at the same time realize energy saving.

(3) Convenience:
(A) Applicable to any equipment
Since the power cord of the device is simply connected to a table tap with a power line on / off function, it can be applied to any device without changing the power control section of a commercially available device.
(B) Applicable to multiple units
The table tap with power line on / off function has multiple sockets, so the power cords of multiple devices can be connected.

(4) Ease of handling: When using a table tap with a built-in power supply line control means, it is easy to handle and does not get in the way.

  Hereinafter, the present invention will be described in detail with reference to the drawings. FIG. 1 is a functional block diagram showing an embodiment of a power supply control device for equipment to which the present invention is applied. Since the sleep stage estimation means indicated by the chain line block 19 in FIG. 1 has been described in the section of the prior art, description thereof will be omitted. Hereinafter, the characteristic part of the present invention will be described.

  In FIG. 1, a chain line block 100 is power supply line control means forming the main part of the present invention. In this power supply line control means, 101 is a specific sleep state detection means, which acquires 6-stage sleep information Sa output from the sleep stage estimation means 19 as an input signal Si and detects it at a specific sleep stage (for example, sleep stage 3). The signal I is output.

  Reference numeral 102 denotes binary information holding means formed of flip-flops, which is set by receiving a detection signal I of a specific sleep stage at the S terminal, and is information about getting out of the bed from the client state detection means L indicated by the dotted block 200 or The continuous hit sound detection information D is received by the R terminal via the OR gate 103 and reset.

  Reference numeral 104 denotes a power supply line switch formed by an open / close switch, which is turned on or off by a set output (Q terminal output) M of the binary information holding means 102. Reference numerals 300 and 300 ′ denote power supply lines supplied with commercial power, and are on / off controlled by the power supply line switch 104.

  Reference numerals 401, 402,... 40n are a plurality of devices connected to the output side of the power supply lines 300, 300 ′ controlled to be turned on / off by the power supply line switch 104, and local power switches Sw1, Sw2,. Always set to on.

  In such a connection state, the binary information holding means 102 is reset when the client is out of bed, and the power supply line switch 104 is turned on in the steady state at the output M, and off at the binary information holding means 102 set output M. If set so that when the client goes to sleep and the sleep stage is in a specific state (sleep stage 3), power supply to the used devices 401, 402,. And can be turned off.

  When the information D of the continuous hit sound before the client leaves the floor is detected, the binary information holding means 102 is reset and M is turned off, so that the state of the power supply line switch 104 is turned back on, and the devices are fed all at once and are in a steady state. Return to state.

  FIG. 2 is a time chart for explaining the above operation. FIG. 2A shows bed leaving information L (sleeping state from t1 to t5) until time t1 and after time t5. (B) shows 6-step sleep information sa in a sleeping state.

  FIG. 2C shows the specific sleep stage information I from the specific sleep state detection means 101, and the sleep stage 3 is detected and turned on at times t2 and t3. (D) is detection information D of the continuous hitting sound that wakes up at time t4 and strikes the bed.

  FIG. 2 (E) shows a set output (Q output) M of the binary information holding means 102, which is turned on at time t2 when the first specific sleep stage information I is turned on, and is turned off when continuous hit sound detection at time t4. Become. (F) shows the state of the power supply line switch 104 synchronized with the set output (Q output) of the binary information holding means 102, and is turned off from time t2 to time t4.

  FIG. 3 is a functional block diagram showing another embodiment of the present invention. The elements from the air mattress 1 to the unconstrained sensor means 4 shown in the embodiment of FIG. 1 are separated as the biological information detecting means 500, and the output of the unconstrained sensor means 4 is transmitted from the transmitter 501 wirelessly.

  Furthermore, the sleep state estimation means 19 and the state detection means 200 from the filter means 5 to the storage / holding means 18 shown in the embodiment of FIG. It is characterized by the following structure. Reference numeral 601 denotes a reception unit newly provided on the input side of the filter unit 5 and receives biological information wirelessly transmitted from the transmission unit 501.

  The living state information detecting unit 500 that is difficult to move freely and requires a large space, the sleeping state detecting unit 600 that can be miniaturized by an electronic circuit, and the feeding line control unit 100 are wirelessly coupled to each other. The power supply line control means 100 can be disposed in any place or device, and the apparatus can be made compact. The operation is exactly the same as in FIG.

  In the present invention, it is possible to use not only the sleep stage information Sa described in FIG. 1 but also sleep depth information given by a continuous signal as the sleep state information Si. When controlling the device according to the sleep state, even if it does not detect and estimate in detail until the sleep stage, it is currently staying at a certain sleep stage (wakefulness / light sleep or deep sleep state) It may be sufficient to know whether there is a sleep, or if the sleep is getting shallower.

  Here, it is called “sleep depth information”. This sleep depth information can be obtained with higher accuracy than the dynamic model 12 of the sleep stage estimation calculation unit 9 for inputting the heartbeat Ib, but a configuration for more simple detection is also possible.

  That is, there is a correlation between the depth of sleep and the heart rate, and the heart rate decreases as the sleep becomes deeper, and conversely, the heart rate increases as the sleep becomes shallower. Therefore, the sleep depth state can be detected only by the heartbeat information.

Examples of the classification of the sleep depth state are as follows.
(1) Awakening or light sleep (2) State of deep sleep (3) State of deep sleep (4) State of deep sleep

  4 and 5 are a functional block diagram and a waveform diagram for extracting the sleep depth state based on the heartbeat information. The off-period (sleeping period) heart rate Ib of the bed information L from time t1 to t5 shown in FIG. 5 (A) is counted by the heart rate counting means 701 and converted into the heart rate Ibc shown in (B). This signal is further subjected to a difference calculation by the heart rate difference detecting means 702 and converted into a difference value Ibd shown in (C).

  The difference value Ibd represents the direction in which the minus side becomes deeper and the positive side becomes shallower. This difference value is converted into a moving average signal Ibm shown in FIG. 5 (D) by the moving average calculation means 703, and the levels on the positive and negative sides are compared by the level detection means 704. In this direction, the information is converted into binary information I representing a direction in which sleep becomes shallower at a predetermined level or higher.

  FIG. 5E shows the output I of the level detecting means 704, which is turned on during a period from time t2 to t3, that is, a period indicating a direction in which sleep when the moving average signal Ibm is below a predetermined level is deepened. In synchronization with time t2, as shown in (G), the output of the binary information holding means 102 (Q output of the flip-flop) M is turned on, and turned off when the continuous hitting sound D is detected before leaving the floor at time t4.

  FIG. 5 (H) shows the on / off state of the power supply line switch 104 synchronized with the output M of the binary information holding means 102. The on period of M is turned off and the on period of M is turned off. The collective power supply on / off operation for the devices by the power supply line switch 104 is exactly the same as that in the embodiment of FIG.

  Next, the configuration and operation of the state detection unit 200 of the client 3 will be described with reference to FIGS. FIG. 6 is a functional block diagram illustrating a configuration example of the bed / bed presence detection unit 201, and FIG. 7 is a waveform diagram illustrating the operation thereof.

  An analog signal Ib indicating a heartbeat shown in FIG. 7A is compared by a heartbeat detection unit having a threshold value to become a heartbeat detection signal pulse Ibp shown in FIG. 7B, and triggers a retriggerable mono multi.

  If the trigger interval is less than the set time τ, the Q output of the retriggerable mono multi is in bed, and if the trigger interval is equal to or greater than the set time τ, the retriggerable mono multi is inverted and the Q bar leaves.

  FIG. 8 is a functional block diagram showing a configuration example of the continuous hit sound detection means 202, and FIG. 9 is a waveform diagram for explaining the operation. The analog signal Di indicating the hitting sound shown in FIG. 9 (A) is compared by the hitting sound detection unit having the threshold value, and becomes the hitting sound detection signal pulse dip shown in (B), and the first pulse dip changes to (C). The flip-flop FF1 shown is set to start the operation, and the timer shown in (E) is started and counted by the counter shown in (D).

  When the counter counts a predetermined number (three in this example) of pulses within the operation time of the timer, the flip-flop FF2 is inverted by this counter output and outputs a continuous hitting sound detection signal D as shown in (F). When the timer counts up, the flip-flop FF1 is reset and the timer returns to the initial state.

  The routine starts when the next hitting sound is generated, but this continuous hitting sound output does not change when there is no predetermined number of count outputs within the timer count-up. Therefore, once the continuous hitting sound is output, the state continues, so that a delay circuit is provided to reset the entire detecting means when a predetermined time has elapsed and when there is a bed leaving signal L shown in (G). ing.

  FIG. 10 is a functional block diagram showing another configuration example of the continuous hitting sound detecting means 202, and FIG. 11 is a flowchart for explaining the operation thereof. In the configuration of FIG. 8, a predetermined number of pulses are counted within the set time of the timer, and it is determined that the continuous hitting sound is detected. However, in the configuration of FIG. The minimum is monitored, and the hitting sound that matches the predetermined condition is set as the continuous hitting sound.

  When the hitting sound detection unit receives a hitting signal Di having a predetermined threshold value or more, it outputs a hitting sound detection signal Dip. When receiving a single sound detection signal, the periodic continuous sound detection unit measures whether or not the next sound detection signal is within a time range longer than Tmin and shorter than Tmax. In this case, it is further measured whether or not the next hitting sound detection signal is within a time range longer than Tmin and shorter than Tmax.

  After receiving one hitting detection signal and repeating the next hitting detection signal within a time range longer than Tmin and shorter than Tmax N times, it is determined that a periodic hitting sound has been detected and is periodically Outputs a continuous hit detection signal.

  If a next sound detection signal is received before Tmin or after Tmax after receiving one sound detection signal, the continuous sound detection operation is reset and started. When the periodic hitting sound detection signal is output, the subsequent flip-flop is set at the rising edge thereof, and the hitting sound detection signal D is turned on (“continuous hitting sound detection”).

  The flip-flop is reset by the client leaving signal L, and the continuous hitting sound detection signal is turned off. When there is no bed after the continuous hitting sound detection signal D is turned on, the flip-flop is reset after a certain period of time by the output signal of the delay circuit, and the continuous hitting sound detection signal is forcibly turned off.

  FIGS. 12 and 13 are external views of a table tap 800 suitable for batch on / off of power supply lines of a plurality of devices. FIG. 12 shows a configuration in which the power supply line control means 100 and the table tap 800 are provided separately. Only the power supply line switch 104 is provided in the case of the table tap 800 and the output M of the binary information holding means 102 is shown. ON / OFF controlled.

  FIG. 13 is a configuration embodying the embodiment described with reference to FIG. 3. The sleep state detection means 600 and the power supply line control means 100 are integrally mounted in the housing of the table tap 800, and the biological information detection means 500 On / off control of the feed line switch 104 is performed based on biological information by wireless transmission.

  In the embodiment of FIG. 1 and FIG. 2, six stages of awakening, REM, non-rem 1, non-rem 2, non-rem 3, non-rem 4 are used as the sleep stages obtained from the sleep stage estimation means 19. It has been.

However, depending on the device to be controlled, fine classification up to the above six steps is unnecessary, and the following rough classification may be sufficient.
Coarse classification example 1:
(1) Awakening (2) REM
(3) Non-REM 1 + Non-REM 2
(4) Non-REM 3 + Non-REM 4

Coarse classification example 2:
(1) Awakening (2) REM
(3) Non-REM 1-4

Coarse classification example 3:
(1) Awakening (2) REM + non-rem 1-4

It is a functional block diagram which shows one Embodiment of the power supply control apparatus of the apparatus to which this invention is applied. It is a time chart explaining the operation | movement of FIG. It is a functional block diagram which shows other embodiment of this invention. It is a functional block diagram which shows the structure for detecting a sleep depth tendency. It is a wave form diagram explaining the operation | movement of FIG. It is a functional block diagram which shows the structure for detecting a bed leaving state. FIG. 7 is a waveform diagram for explaining the operation of FIG. 6. It is a functional block diagram which shows the structure for detecting a continuous hit sound. It is a wave form diagram explaining the operation | movement of FIG. It is a functional block diagram which shows the other structure for detecting a continuous hit sound. It is a flowchart explaining the operation | movement of FIG. It is an external view of the table tap suitable for carrying out batch ON / OFF operation of the electric power feeding line of several apparatuses. It is an external view of the other table tap suitable for carrying out batch ON / OFF operation of the electric power feeding line of several apparatuses.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Air mattress 3 Client 4 Unrestrained sensor means 5 Filter means 9 Sleep stage estimation calculation means 18 Storage / holding means 19 Sleep stage estimation means 100 Feeding line control means 101 Specific sleep state detection means 102 Binary information holding means 103 OR gate DESCRIPTION OF SYMBOLS 104 Power supply line switch 200 State detection means 201 Bed leaving / flooring detection means 202 Continuous hitting sound detection means 300, 300 'Power supply line 401, 402, ... 40n Equipment Sw1, Sw2, ... Swn Equipment power switch

Claims (6)

In the power control device of the device that turns on and off the power supply line of the device according to the sleep state of the client,
Sleep state detection means for detecting a specific state of the sleep state;
Binary information holding means that is set at the output of the sleep state detection means and is reset under specific conditions;
A power supply line switch for operating the power supply line on or off at the output of the binary information holding means;
A power supply control device for equipment, comprising power supply line control means having   The apparatus according to claim 1, wherein the sleep state is sleep stage information calculated based on biological information collected from the client.   The apparatus according to claim 1, wherein the sleep state is sleep depth information calculated based on heartbeat information collected from the client.   4. The apparatus power control apparatus according to claim 1, wherein the specific condition is detection of a bed leaving sound or continuous hitting sound of the client. 5.   5. The power feeding line control means or at least one of the power feeding line switches is provided in a table tap that feeds power to a single device or a plurality of the devices. 6. Equipment power control device. The apparatus for controlling power supply of an apparatus according to any one of claims 2 to 5, further comprising biological information detection means for transmitting the biological information wirelessly.

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