Controls

Abstract

The present invention provides a control device that can provide high-quality sleep. According to an embodiment, the control device includes an acquisition unit and a control unit, the acquisition unit can acquire first information obtained from a first sensor, the first sensor can acquire biological information of a user of a bed on the bed, and the control unit determines the user's wake-up time based on the first information. At the user's wake-up time, the control unit increases the back angle of the bed and performs at least one of an action of increasing the brightness at the position of the bed and an action of sending air toward the bed.

Description

Technical Field

[0001] Embodiments of the present invention relate to a control device. Background Art

[0002] For example, there is a bed in which the back angle etc. can be changed. It is expected that a control device for controlling the bed etc. can provide high-quality sleep.

[0003] Prior art literature

[0004] Patent Literature

[0005] Patent Document 1: Japanese Patent Application Publication No. 2005-334283 Summary of the invention

[0006] Technical problem to be solved by the invention

[0007] An embodiment of the present invention provides a control device capable of providing high-quality sleep.

[0008] Technical solutions used to solve the problem

[0009] According to an embodiment, the control device includes: an acquisition unit capable of acquiring first information obtained from a first sensor capable of acquiring biological information of a user of a bed on the bed; and a control unit capable of determining a wake-up time of the user based on the first information. At the wake-up time of the user, the control unit performs at least one of an action of increasing the brightness at the position of the bed and an action of supplying air toward the bed after increasing the back angle of the bed.

[0010] Effects of the Invention

[0011] The embodiments of the present invention can provide a control device that can provide high-quality sleep. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram illustrating the control device according to the first embodiment.

[0013] Figure 2 This is a flowchart illustrating the operation of the control device according to the first embodiment.

[0014] Figure 3 (a) and Figure 3 (b) is a flowchart illustrating the operation of the control device according to the second embodiment.

[0015] Figure 4 This is a flowchart illustrating the operation of the control device according to the third embodiment.

[0016] Figure 5 This is a flowchart illustrating the operation of the control device according to the fourth embodiment.

[0017] Figure 6 is a schematic side view of a bed according to an exemplary embodiment.

[0018] Figure 7 It is a schematic perspective view of a bed according to an exemplary embodiment.

[0019] Figure 8 It is a schematic perspective view of a mattress according to an exemplary embodiment.

[0020] Fig. 9 (a) and Fig. 9 (b) is a schematic side view of a mattress according to an exemplary embodiment.

[0021] Fig.10 (a) and Fig.10 (b) is a schematic diagram illustrating the bed according to the first embodiment.

[0022] Fig.11 (a) and Fig.11 (b) is a schematic perspective view illustrating a mattress according to the second embodiment.

[0023] Fig.12 (a) and Fig.12 (b) is a schematic diagram of a bed according to an exemplary embodiment.

[0024] Fig.13 (a)~ Fig.13 (d) is a schematic diagram of a bed according to an exemplary embodiment.

[0025] Fig.14 is a schematic diagram of a bed system according to an exemplary embodiment.

[0026] Fig.15 is a schematic diagram of a bed system according to an exemplary embodiment. DETAILED DESCRIPTION

[0027] Embodiments of the present invention will be described below with reference to the accompanying drawings.

[0028] The drawings are schematic or conceptual drawings. In the present specification and each drawing, the same elements as those described with reference to the previous drawings are denoted by the same reference numerals, and detailed description is appropriately omitted.

[0029] (First Embodiment)

[0030] Figure 1 It is a schematic diagram illustrating the control device according to the first embodiment.

[0031] like Figure 1 As shown, the bed system 210 of the embodiment includes a bed 70B and a control device 110 .

[0032] The control device 110 of the embodiment includes an acquisition unit 45 and a control unit 40. The acquisition unit 45 acquires first information IF1. In this example, the first information IF1 is acquired by the first sensor 31. The first sensor 31 can estimate the posture of the user of the bed 70B on the bed 70B. The first information IF1 includes, for example, the estimation result of the side or the posture of the user on the bed 70B.

[0033] The user's posture on the bed 70B includes, for example, a supine position, a side-lying position, or a prone position. In the supine position, the user's face is facing upward. In the side-lying position, the user's face is facing sideways. In the prone position, the user's face is facing downward (toward the mattress 70M).

[0034] For example, the first sensor 31 is arranged below the mattress 70M of the bed 70B. The first sensor 31 can, for example, detect the user's strength (such as gravity, acceleration or weight, etc.) or vibration (including body movement). The first sensor 31 can also be, for example, capable of detecting the user's body movements. The first sensor 31 can also be capable of detecting biological information such as the user's breathing rate and heart rate. The first sensor 31 can also use signal processing such as frequency analysis to calculate the user's breathing rate or heart rate from the vibration. The first sensor 31 can also include a camera element for photographing the user. The first sensor 31 can also include an accelerometer worn on the user's forehead or body (including clothes). The wearing method can be glasses type, headband type, belt type, adhesive type, hat type or underwear type. Examples of the first sensor 31 will be described later.

[0035] The acquisition unit 45 is, for example, an input port. The acquisition unit 45 may also be, for example, an input / output port. The acquisition unit 45 includes, for example, an input circuit, etc. The acquisition unit 45 acquires the first information IF1 from the first sensor 31 by any wired or wireless method.

[0036] The control unit 40 can receive the output 45a from the acquisition unit 45. The control unit 40 can control the environment control unit 51 and the drive unit 70D.

[0037] The environment control unit 51 can control at least one of the brightness and wind at the position of the bed 70B. The environment control unit 51 includes, for example, a lighting device 57. The lighting device 57 includes, for example, a light emitting element. The environment control unit 51 may also include, for example, a dimming device 56. The dimming device 56 includes, for example, curtains or "blinds". For example, when the dimming device 56 is turned on, the position of the bed 70B becomes brighter due to the outdoor light. For example, when the dimming device 56 is turned off, the position of the bed 70B becomes darker. For example, the environment control unit 51 can perform at least one of the actions of irradiating light to the position of the bed 70B and turning on the dimming device 56 in the room where the bed 70B is placed. The environment control unit 51 may also include a blower 58. The blower 58, for example, blows air toward the bed 70B. The blower 58 may also be, for example, an air conditioner. The environment control unit 51 may also include a device integrating a light irradiator and a blower.

[0038] The driving unit 70D can change the back angle θ of the bed 70B. The back angle θ is, for example, the angle of the back region of the upper surface of the bed 70B with respect to the horizontal plane. For example, the back angle θ is, for example, the angle of the back region of the upper surface of the bed 70B with respect to the floor 70L on which the bed 70B is placed.

[0039] The back angle θ may be, for example, the angle of the back region of the upper surface of the bed 70B with the lumbar region as a reference. For example, when the bed 70B includes the back bottom plate 70a and the lumbar bottom plate 70b, the back angle θ is the angle of the back bottom plate 70a with the lumbar bottom plate 70b as a reference. In this case, the drive unit 70D may, for example, change the angle of the back bottom plate 70a of the bed 70B. The drive unit 70D may include, for example, an actuator. The drive component connected to the drive unit 70D such as an actuator is connected to the back bottom plate. The action of the actuator changes the angle of the back bottom plate. By increasing the angle of the back bottom plate, the back is raised. By decreasing the angle of the back bottom plate, the back is lowered.

[0040] In the embodiment, the bed 70B may also include an air cushion. As described later, the air cushion includes a waist air chamber and a back air chamber. By making the pressure of the back air chamber higher than the pressure of the waist air chamber, the back angle θ (the angle of the back relative to the waist of the user sleeping on the air cushion) can be increased. By reducing the pressure of the back air chamber, the back angle θ becomes smaller. In this way, when increasing the back angle θ, the driving unit 70D may also make the pressure of the back air chamber higher than the pressure of the waist air chamber.

[0041] In the bed 70B, in addition to changing the angle of the back bottom plate, the angles of other parts of the bed 70B (for example, the knee joint bottom plate 70c and the foot bottom plate 70d, etc.) may also be changed.

[0042] The driving unit 70D may be capable of changing a height 70H of the bed 70B. The height 70H is, for example, the height of the upper surface of the bed 70B with respect to the floor 70L.

[0043] For example, the control unit 40 may also be able to control the environment control unit 51 and the drive unit 70D by any wired or wireless method. The control unit 40 may be set at any location. The control unit 40 may also be set at any position in the room where the bed 70B is placed. The control unit 40 may also be set outside the room. The control unit 40 may also be set in the bed 70B.

[0044] The control unit 40 may be provided in the first sensor 31, for example. At least a part of the function of the control unit 40 may be implemented by a control circuit or the like included in the first sensor 31. The control unit 40 may be a portable terminal such as a smartphone, for example.

[0045] The control unit 40 may also obtain the second information IF2 obtained from the second sensor 32. For example, the second sensor 32 may detect the brightness of the place (e.g., room) where the bed 70B is placed. The second sensor 32 may also detect at least one of the temperature and humidity of the place (e.g., room) where the bed 70B is placed.

[0046] The control unit 40 may also control the display device 59. The display device 59 emits light, for example. The display device 59 may also display, for example, the state of the user, etc. An example of the operation of the display device 59 will be described later.

[0047] At the "user's wake-up time", the control unit 40 performs the actions described below. For example, the first sensor 31 detects the body movements of the user on the bed 70B (including breathing rate and heart rate, etc.). Based on its detection results, the first sensor 31 or the control unit 40 can detect the user's transition from sleep to waking up. Alternatively, it is possible to estimate the user's waking up based on information such as a set time. For example, based on the detection results of the transition from sleep to waking up and the estimated results of waking up, the "user's wake-up time" is derived.

[0048] For example, near a set time (e.g., the time to get up), at least any one of "increased body movement", "increased heart rate" and "increased breathing rate" is detected. The first sensor 31 or the control unit 40 determines whether the time when one of the above events occurs is near the set time based on, for example, the cycle of the user's REM state and non-REM state. The control unit 40 determines whether the user is in the REM state or the non-REM state based on changes in body movement, heart rate or breathing rate. If one of the above events occurs before a specified time (e.g., one hour) of the set time, the first sensor 31 or the control unit 40 determines that one of the above events occurs near the set time.

[0049] Based on the detection results, it is possible to estimate whether the user has transitioned from sleeping to about to wake up and from about to wake up to waking up. For example, when body movement, heart rate, or breathing rate exceeds a first threshold, it can be detected as "about to wake up." The about to wake up means that the user has not yet woken up but the possibility of waking up is high. In addition, when body movement, heart rate, or breathing rate exceeds a second threshold that is greater than the first threshold, it can be detected as "waking up."

[0050] The first sensor 31 or the control unit 40 detects that the user is about to wake up and determines it as the user's wake-up time. This is not limited to this case. For example, the first sensor 31 or the control unit 40 can also detect that the user is waking up and determine it as the user's wake-up time.

[0051] Next, an example of the operation performed at "the user's wake-up time" is described.

[0052] When the user gets up, the control device or bed system of this embodiment performs the following control: first, the back angle of the bed 70B is increased, and after the back is raised, air is sent to the bed 70B and light is irradiated. Next, each independent control method corresponding to the user's sleeping posture is described in detail.

[0053] Figure 2 This is a flowchart illustrating the operation of the control device according to the first embodiment.

[0054] like Figure 2 As shown, the acquisition unit 45 acquires the first information IF1 from the first sensor 31 (step S110 ).

[0055] like Figure 2 As shown, at the time when the user wakes up, the control unit 40 determines whether the first information IF1 obtained from the first sensor 31 corresponds to the user's posture being in the supine position (step S120). When the first information IF1 corresponds to the user's posture being in the supine position, the control unit 40 increases the back angle θ (step S121). The increased back angle θ is, for example, greater than 0 degrees and less than 70 degrees. The back angle θ before the increase is, for example, greater than 0 degrees and less than 70 degrees. The increased back angle θ may also be, for example, greater than 0 degrees and less than 30 degrees.

[0056] After step S121, the control unit 40 performs at least one of an action of increasing the brightness at the position of the bed 70B and an action of sending air toward the bed 70B (step S122). For example, in the case of increasing the brightness at the position of the bed 70B, the control unit 40 causes the environment control unit 51 to control at least one of the lighting device 57 and the dimming device 56 to increase the brightness. For example, in the case of sending air toward the bed 70B, the control unit 40 controls the air blower 58 to send air toward the bed 70B.

[0057] For example, the set position and direction of the bed 70B may be stored, and light or air may be irradiated toward the position and direction. For example, the position of the bed 70B or the head of the user on the bed 70B may be detected by a camera or the like, and light or air may be irradiated toward the detected position. For example, an RFID (radio frequency identifier) ​​may be provided on the pillow, and light or air may be irradiated toward the position of the RFID. For example, light or air may be irradiated toward a position that is about 1 / 3 lower than the head side end of the back bottom plate 70a of the bed 70B. Wind or light may also be sent or emitted from a bed board or the like.

[0058] The user is awakened by performing at least one of increasing the brightness and blowing air. In an embodiment, when the user is in a supine position at the time of waking up, the user can be reliably awakened by performing at least one of increasing the brightness and blowing air after increasing the back angle θ.

[0059] For example, when the user wakes up, the user can wake up more reliably by increasing the back angle θ and then increasing the brightness or sending air, compared to the case where the back angle θ is simply increased without increasing the brightness and air supply.

[0060] For example, when the user wakes up, if the back angle θ is not increased and the bed surface is flat, even if the brightness is increased and air is supplied, the user's face is turned away from the light or air, making it difficult to wake up.

[0061] In the embodiment, when the user is in the supine position, by increasing the back angle θ and then performing at least one of brightness enhancement and air supply, the user can wake up reliably.

[0062] According to the embodiment, a control device and a bed system capable of reliably waking up can be provided. According to the embodiment, a control device and a bed system capable of providing high-quality sleep can be provided.

[0063] There is a reference example, when the user usually gets up, the room is controlled to a moderate temperature or brightness. In this reference example, wind or light is not supplied toward the expected position (the position of the user on the bed 70B). In this embodiment, for example, when the user gets up as a result of step S122, wind or light is then supplied in all directions instead of toward the position of the user on the bed 70B.

[0064] like Figure 2 As shown, for example, in the above step S120, when the first information IF1 does not correspond to the supine position, the process proceeds to the following step S130.

[0065] In step S130, at the time when the user gets up, the control unit 40 determines whether the first information IF1 obtained from the first sensor 31 corresponds to the user's posture being in the side-lying position. In the case where the first information IF1 corresponds to the posture being in the side-lying position, the control unit 40 implements at least one of an action of raising the brightness at the position of the bed 70B and an action of sending air toward the bed 70B (step S131). In order to avoid light and wind, the user tends to change from the side-lying position. For example, the user changes from the side-lying position to the supine position. By implementing at least one of an action of raising the brightness at the position of the bed 70B and an action of sending air toward the bed 70B, for example, the user can be induced to change to the supine position.

[0066] More specifically, for example, assume that the user sleeps in the left side lying position on the bed 70B. At this time, the control unit 40 performs the brightness enhancement and air supply operations, and supplies air and light from the left side toward the position of the user on the bed 70B so as to provide the air and light to the user's face. When the user's face moves from the left side lying position to the supine position, the direction of the air and light is changed following the movement of the user's face.

[0067] After step S131, when the user changes to the supine position, the control unit 40 increases the back angle θ (step S132). When the user is in the side-lying position, by performing the operations in this order, the user can wake up more reliably.

[0068] For example, when the user is in a side-lying position, if the brightness is not increased or air is supplied and the back angle θ is increased, the user's body bends to the side and the user will feel uncomfortable. For example, by setting the back angle θ to less than 10 degrees, it is possible to avoid injury or excessive discomfort, and instead produce moderate discomfort. Due to this discomfort, for example, the user changes from a side-lying position to a supine position. After such step S131, by further increasing the back angle θ (step S132), and thereafter performing at least one of the brightness increase and air supply, the user who was initially in a side-lying position can wake up more reliably.

[0069] like Figure 2 As shown, for example, in the above step S130, when the first information IF1 does not correspond to the side-lying posture, the process proceeds to the following step S140.

[0070] In step S140 , at the time when the user wakes up, the control unit 40 determines whether the first information IF1 corresponds to the user's prone position.

[0071] When the first information IF1 corresponds to the prone position, the control unit 40 increases the back angle θ (step S141). At this time, the increased back angle θ when the posture is the prone position is smaller than the increased back angle θ when the posture is the supine position. The increased back angle θ when the posture is the prone position is, for example, greater than 0 degrees and less than 10 degrees.

[0072] If the back angle θ is increased excessively when the user is in a prone position, the user may feel uncomfortable. For example, it may cause physical injury. When the user is in a prone position, excessive discomfort is suppressed by increasing the back angle θ at a small angle, and after inducing the user to change to a supine position, the user can wake up more reliably by performing at least one of brightness enhancement and air supply.

[0073] like Figure 2 As shown, in step S140, when the first information IF1 indicates that the user's posture is in the prone position, the control unit 40 may also perform at least one of an action of increasing the brightness at the position of the bed 70B and an action of supplying air toward the bed 70B (step S142). The order of steps S141 and S142 may be changed.

[0074] After implementing step S122, S132 or S142, the process returns to step S110, for example, and repeats the process until the user wakes up.

[0075] In the embodiment, for example, by increasing the brightness at the position of the bed 70B and blowing air toward the bed 70B, the user feels a wake-up stimulus. By combining these actions and controlling the back angle θ, a more reliable wake-up can be provided for the user. According to the embodiment, a control device and a bed system that can provide high-quality sleep can be provided in terms of a sense of security such as being able to reliably get up.

[0076] The acquisition unit 45 may further acquire information related to the brightness at the position of the bed 70B. The information related to the brightness at the position of the bed 70B may also be included in the second information IF2 obtained from the second sensor 32 (see Figure 1 ).

[0077] At the time when the user gets up, sometimes the brightness at the position of the bed 70B is bright enough. In this case, the possibility of facing the direction to avoid light is high, and the possibility of being in the supine position is low. The control unit 40 can also perform the following actions. At the time when the user gets up, when the brightness at the position of the bed 70B of the control unit 40 is above the threshold, even if the first information IF1 indicates that the user is in the supine position, it is judged that the user's posture is likely to be in the lateral position or the prone position, and the back angle θ is increased (step S141). In this case, since the brightness is above the threshold, step S142 can also be omitted. Alternatively, in step S142, air is supplied. Even in this case, the increased back angle θ is smaller than the increased back angle θ when the posture is in the supine position. When the posture is in the prone position, the increased back angle θ exceeds 0 degrees and is less than 10 degrees.

[0078] When the brightness at the position of the bed 70B is less than a threshold value when the user wakes up, the control unit 40 may increase the brightness at the position of the bed 70B, and after confirming that the user is in a side-lying or prone position, increase the back angle θ.

[0079] As described above, in the embodiment, at the time of getting up, the operation of the control unit 40 may be changed depending on whether the brightness at the position of the bed 70B is equal to or greater than the threshold value or less than the threshold value.

[0080] In an embodiment, the first sensor 31 may also be capable of estimating the user's sleep or wakefulness. For example, the first sensor 31 may detect the user's body movements (including breathing rate and heart rate, etc.). For example, a state with few body movements is estimated as sleep. For example, a state with many body movements is estimated as wakefulness. The control unit 40 may also control the display device 59 (see Figure 1 ) to correspond to the estimated sleep or wakefulness of the user. For example, the color of the light emitted from the display device 59 is changed to correspond to the sleep or wakefulness of the user.

[0081] For example, when the user is sleeping, the display device 59 emits blue light. When the user wakes up or stands up, the display device 59 emits yellow light. When the user leaves the bed 70B, the display device 59 emits white light. Alternatively, the display device 59 may emit light or turn off in a specific state, such as emitting light only during sleep.

[0082] The display device 59 may be placed in the place (room) where the bed 70B is placed, or may be installed in other places (another room or corridor, etc.).

[0083] For example, the bed system 210 controls the display device 59 to a first mode or a second mode. In the first mode, the display device 59 emits blue, yellow, or white light. In the second mode, the display device 59 emits light of a color other than blue, yellow, or white (e.g., orange). For example, in the second mode, the display device 59 does not change the color of the light according to the state of the user, and the display device 59 is used as an ordinary lighting device. The bed system 210 may also switch between the first mode and the second mode of the display device 59 as follows, for example, the time from 10 p.m. to 6 a.m. is set to the first mode, and the other times are set to the second mode. The switching between the first mode and the second mode of the display device 59 may also be changed according to the time. For example, the switching may also be able to be operated from the screen of the electronic device 35. The switching may also be performed by operating a physical switch.

[0084] When the bed system 210 of the embodiment is introduced into a nursing facility or a hospital, the display device 59 may be installed in a corridor outside the room. In this case, the display device 59 functions as an indicator that displays the status of the user in each room.

[0085] For example, the display device 59 is set at a place different from where the bed 70B is placed. For example, the family of the user of the bed 70B can recognize the user's status at a place far away from the bed 70B. A more convenient control device and bed system can be provided.

[0086] According to the first embodiment, a control device and a bed system capable of providing high-quality sleep can be provided.

[0087] (Second Embodiment)

[0088] In the second embodiment, the control device 110 also includes an acquisition unit 45 and a control unit 40 (see the drawings). The acquisition unit 45 acquires the first information IF1 and the second information IF2 (see Figure 1 ). The first information IF1 can be obtained from the first sensor 31 that detects the state of the user of the bed 70B. The second information IF2 includes the detected value of at least one of the temperature and humidity around the bed 70B. The second information IF2 can also be obtained by, for example, the second sensor 32 (see Figure 1 ) The second information IF2 can also be obtained by, for example, the control unit 40. The control unit 40 controls the drive unit 70D that can change the back angle θ of the bed 70B.

[0089] Next, an example of the operation of the control unit 40 of the second embodiment is described. The following operation of the control unit 40 is performed in the "sleep mode". For example, on the bed 70B, when the time input by the user or the prescribed time comes, the bed 70B changes to the "sleep mode". In the "sleep mode", the bed 70B operates automatically. For example, the back angle θ is automatically controlled.

[0090] Figure 3 (a) and Figure 3 (b) is a flowchart illustrating the operation of the control device according to the second embodiment.

[0091] like Figure 3 As shown in (a), the acquisition unit 45 acquires the first information IF1 and the second information IF2 (step S210).

[0092] The control unit 40 determines whether the detection value of at least one of the temperature, humidity, and sound around the bed 70B included in the second information IF2 is greater than a threshold value (step S220). The sound is, for example, noise. It is determined whether the probability of waking up (for example, discomfort index, etc.) obtained based on the temperature and humidity is greater than a threshold value. For example, it is determined whether the probability of waking up obtained by adding the probability of waking up obtained based on the temperature and humidity to the noise level is greater than a threshold value.

[0093] In step S220, when the detection value is below the threshold, the control unit 40 causes the drive unit 70D to perform the first action (step S221). For example, the threshold is the upper limit of the temperature, humidity, or sound that is easy to sleep. When the detection value of at least one of the temperature, humidity, and sound around the bed 70B is below the threshold, the user of the bed 70B is easy to sleep.

[0094] It is also possible to return to step S210 after implementing step S221.

[0095] In the first operation, the drive unit 70D changes the back angle θ according to the state of the user of the bed 70B obtained from the first sensor 31 .

[0096] For example, the state of the user is detected by the first sensor 31. In a state where the body movement obtained from the first sensor 31 is small (determined as a sleeping state), the state of the user is sleeping. In a state where the body movement obtained from the first sensor 31 is large (determined as a waking state), the state of the user is waking. For example, in the above-mentioned first action, when the body movement obtained from the first sensor 31 is small, the back angle θ is reduced. Thus, it is possible to easily turn over without interrupting the user's sleep. For example, in the above-mentioned first action in the sleeping mode, when the state obtained from the first sensor 31 is that the waking continues for more than a constant time, the back angle θ may also be increased. Thus, the user can be prompted to fall asleep.

[0097] For example, the first action includes: when the value of the signal (body momentum, breathing frequency, heart rate, etc.) included in the first information IF1 decreases over time, or when the change in the value is below a threshold, reducing the back angle θ. For example, the first action includes: when the user is in a sleeping state (in a state with little body movement), reducing the back angle θ.

[0098] exist Figure 3 In step S220 of (a), when the detection value exceeds the threshold value, the control unit 40 does not cause the drive unit 70D to perform the first action (step S222). After step S222, the process returns to step S222. When the detection value of at least one of the temperature, humidity, and sound around the bed 70B exceeds the threshold value, the user is easily awakened. In such a case, if the back angle θ is changed, the user's sleep may be disturbed. In the case where sleep is easily interrupted as the detection value exceeds the threshold value, the first action of changing the back angle θ is not performed, thereby suppressing the interruption of sleep.

[0099] When the detected value of at least any one of the temperature, humidity, and sound around the bed 70B is equal to or less than the threshold value, the first operation is performed to change the back angle θ, thereby providing a sleep that is less likely to be interrupted.

[0100] The threshold value for temperature is, for example, 28 degrees. The threshold value for humidity is, for example, 80%. The threshold value for temperature can also be changed according to humidity. The threshold value for humidity can also be changed according to temperature. The threshold value can also be changed to a discomfort index calculated according to temperature and humidity. The threshold value can also be changed to a probability of waking up calculated according to temperature, humidity, and noise level.

[0101] For example, the threshold value may be changeable or settable by the user. For example, the threshold value may be customized by the user. For example, based on data related to the relationship between the user's body movement when the user is on the bed 70B and the temperature or humidity, a threshold value suitable for the user may be applied. For example, when the user's body movement is less than a certain threshold value, it is determined that the temperature / humidity is suitable for the user, and the threshold value suitable for the user is set.

[0102] According to the second embodiment, a control device and a bed system capable of providing high-quality sleep can be provided.

[0103] like Figure 3As shown in (b), in step S220, in the first action (step S221) performed when the detection value exceeds the threshold, it is determined whether the time change of the value of the signal (including body movement, etc.) included in the first information IF1 is below the threshold or whether the value is gradually decreasing (step S221a), and when the time change of the value of the signal (including body movement, etc.) included in the first information IF1 is below the threshold, or when the value is gradually decreasing, the back angle θ may be changed (for example, reduced) (step S221b). When the time change of the body movement is below the threshold, the user's interruption can be suppressed by changing the back angle θ. When the time change of the body movement exceeds the threshold, the process returns to step S210. For example, the values ​​of the signal included in the first information IF1 are compared in two periods (a first period and a second period after the first period), and when the value of the signal in the second period is smaller than the value of the signal in the first period or the change in the value is below the threshold, the back angle is reduced by a set angle (step S221b). Moreover, this action may be repeated to gradually reduce the back angle to a desired angle.

[0104] It is also possible to return to step S210 after implementing step S221b.

[0105] (Third Embodiment)

[0106] In the third embodiment, the control device 110 includes an acquisition unit 45 and a control unit 40 (see Figure 1 ). The acquisition unit 45 acquires the first information IF1 and the second information IG2. The first information IF1 is obtained from the first sensor 31 that detects the state of the user of the bed 70B. The second information IG2 is obtained from the electronic device 35 operated by the user. The electronic device 35 may also be, for example, a smart phone. The electronic device 35 may also be, for example, a computer. At least a part of the action of the control unit 40 may also be performed by the electronic device 35. The control unit 40 is capable of changing the back angle θ of the bed 70B.

[0107] Next, an example of the operation of the control unit 40 in the third embodiment will be described. The following operation of the control unit 40 is performed in the "sleep mode".

[0108] Figure 4 This is a flowchart illustrating the operation of the control device according to the third embodiment.

[0109] like Figure 4 As shown, the acquisition unit 45 acquires the first information IF1 and the second information IF2 (step S310).

[0110] like Figure 4As shown, the electronic device 35 determines whether the user of the bed 70B is operating the electronic device 35 (step S320). The electronic device 35 includes an acceleration sensor, etc. When the user is operating the electronic device 35, the electronic device 35 generates acceleration. The acceleration is detected by the acceleration sensor, and it can be determined whether the electronic device 35 is in use. The electronic device 35 may also include an input receiving device such as a touch panel display. Whether the electronic device 35 is in use can be determined based on the duration of the input to the input receiving device, etc.

[0111] like Figure 4 As shown, in step S320, when the user does not operate the electronic device 35, the control unit 40 causes the drive unit 70D to perform the first action (step S321). In the first action, the drive unit 70D performs the first action of changing the back angle θ according to the state of the user obtained by the first sensor 31 under the control of the control unit 40.

[0112] It is also possible to return to step S310 after implementing step S321.

[0113] As described above, in the first action, when the body movement obtained by the first sensor 31 is small (the state is determined to be sleeping), the back angle θ is reduced. As a result, the user can easily turn over. For example, in the first action, when the electronic device 35 is being operated, the back angle θ is increased. As a result, the user can easily fall asleep again or get up.

[0114] like Figure 4 As shown, in step S320, when the user is operating the electronic device 35, the control unit 40 does not cause the drive unit 70D to perform the first action (step S322). After step S322, the process returns to step S310.

[0115] In step S320, when the user is operating the electronic device 35, the user sometimes wakes up even when the user's body movements (including breathing rate and heart rate, etc.) are small. However, if the judgment is made only based on the first information IF1 from the first sensor 31, it may sometimes be mistakenly judged as sleep. In an embodiment, the above-mentioned first action is not performed when the user is operating the electronic device 35, so that the first action can be prevented from being erroneously performed. The actions when falling asleep including the first action are more appropriately performed. In an embodiment, the second information IF2 obtained from the electronic device 35 operated by the user takes precedence over the first information IF1 as the source of the first action obtained from the first sensor 31 that detects the state of the user of the bed.

[0116] As described above, for example, the first action includes: when the signal (body movement, breathing rate, heart rate, etc.) included in the first information IF1 decreases over time, or when the change in value is below a threshold, the back angle θ is reduced. For example, the first action includes: when the user is operating the electronic device 35, the back angle is increased.

[0117] According to the third embodiment, it is possible to provide a control device and a bed system that can provide high-quality sleep according to the state of the user determined more accurately.

[0118] Since the user may be awake even when the user's body movements (including breathing rate and heart rate, etc.) change little, the user is not limited to the situation where the user is operating as described above, and there may also be a situation where the user is watching a video using the electronic device 35. In this case, sometimes the user is awake even though the electronic device 35 is not operated, and it is not desirable for the user to accidentally cause the bed to move automatically. Therefore, in this case, step S320 is replaced with a step to check whether the user is not browsing videos, etc. When the user is not browsing videos, etc. at this time (step S320, yes), the first action is performed (step S321); when the user is browsing videos, etc. at this time (step S320, no), the first action is not performed (step S322).

[0119] (Fourth Embodiment)

[0120] In the fourth embodiment, the control device 110 includes an acquisition unit 45 and a control unit 40 (see Figure 1 ). The acquisition unit 45 can acquire the alarm IW. The alarm IW includes a first alarm of at least one of a human intrusion and a fire and at least one of a second alarm of a disaster. Disasters include, for example, earthquakes, large-scale fires, tsunamis, flooding, or tornadoes. The second alarm includes an evacuation alarm. Such an alarm can be obtained through an information network (including a smartphone, etc.) or the like set in a home (including a facility, etc.) where the bed 70B is set.

[0121] The control unit 40 controls the driving unit 70D. The driving unit 70D can change at least one of the back angle θ of the bed 70B and the height 70H of the bed 70B.

[0122] Next, an example of the operation of the control unit 40 according to the fourth embodiment will be described.

[0123] Figure 5 This is a flowchart illustrating the operation of the control device according to the fourth embodiment.

[0124] like Figure 5 As shown, the control unit 40 determines, for example, whether the acquisition unit 45 has acquired the first alarm (step S510).

[0125] In step S510, when the acquisition unit 45 has acquired the first alarm, the drive unit 70D is caused to increase the back angle θ (step S511). When at least one of the first alarms of intrusion and fire occurs, the user can be reliably awakened by increasing the back angle θ. After executing step S511, the process may return to step S510.

[0126] In step S510 , when the acquisition unit 45 has not acquired the first alarm, the control unit 40 determines whether the acquisition unit 45 has acquired the second alarm (step S520 ).

[0127] In step S520, when the acquisition unit 45 has acquired the second alarm, the control unit 40 causes the driving unit 70D to increase the back angle θ and raise the height 70H of the bed 70B (step S521). By increasing the back angle θ, it is easier for the user to wake up. For example, by raising the height 70H of the bed 70B, the user can enter between the bed 70B and the floor 70L. In disasters such as earthquakes, it is easy to ensure the safety of the user. After implementing step S521, it is also possible to return to step S510.

[0128] In step S520 , when the acquisition unit 45 has not acquired the second alarm, the process returns to step S510 .

[0129] In the embodiment, when the acquisition unit 45 has acquired the first alarm (intrusion or fire), the user can easily wake up and deal with the intrusion or fire by increasing the back angle θ. When the acquisition unit 45 has acquired the second alarm (disaster), it is easier to obtain safety.

[0130] For example, the back angle θ when the acquisition unit 45 has acquired the second alarm (disaster) may be greater than the back angle θ when the acquisition unit 45 has acquired the first alarm (intrusion or fire). For example, when an emergency evacuation alarm such as a tsunami, a dam breach, or a tornado is issued, it is easier to wake up due to physical reasons such as a smartphone buried in a blanket, physical reasons such as hearing loss, or environmental reasons such as wearing earplugs or listening to music with headphones while sleeping, and the time for evacuation can be ensured by increasing the back angle θ.

[0131] According to the embodiment, the bed 70B can perform actions in response to intrusion, fire, disaster, etc., so the user can sleep peacefully. According to the embodiment, a control device and a bed system capable of providing safety can be provided.

[0132] Step S510 and step S520 may also be performed simultaneously, and the order of performing may also be reversed.

[0133] (Fifth Embodiment)

[0134] In the fifth embodiment, the control device 110 includes an acquisition unit 45 and a control unit 40 (see Figure 1 ). The acquisition unit 45 can acquire the sound detection result from the sound device 36. The sound device 36 is, for example, a microphone. The sound device 36 can also be included in the electronic device 35. The control unit 40 can control the driving unit 70D that can change the back angle θ of the bed 70B.

[0135] In an embodiment, when the detection result of the sound obtained from the sound device 36 includes snoring, the control unit 40 causes the drive unit 70D to perform an action of changing the back angle θ. By setting the electronic device 35 including the sound device 36 to, for example, a smart phone, an action instruction to change the back angle θ can also be issued from the electronic device 35 to the drive unit 70D. As a result of the instruction, the back angle θ is increased by the drive unit 70D. If the detection result of the sound obtained from the sound device 36 after increasing the back angle θ (for example, angle θ1) includes snoring, the control unit 40 causes the drive unit 70D to perform an action of further raising the back so that the back angle θ changes from angle θ1 to angle θ2. Angle θ2 is greater than angle θ1. The control unit will continue to perform the action of raising the back until the snoring stops. After the snoring stops, the control unit causes the drive unit 70D to gradually perform the action of lowering the back.

[0136] By changing the back angle, the snoring of the user can be suppressed. According to the embodiment, a control device and a bed system can be provided that can provide high-quality sleep not only for the user but also for people around. In addition to detecting sound, the sound device 36 can also emit sound. For example, the sound device 36 can also have the function of a speaker.

[0137] (Sixth Embodiment)

[0138] The bed system 210 of the sixth embodiment (see Figure 1 ) includes the control device and the bed 70B of the first to fifth embodiments. According to the sixth embodiment, a bed system capable of providing high-quality sleep can be provided.

[0139] Next, an example of applying the bed 70B according to the embodiment will be described.

[0140] Figure 6 is a schematic side view of a bed according to an exemplary embodiment.

[0141] Figure 7 It is a schematic perspective view of a bed according to an exemplary embodiment.

[0142] like Figure 6 and Figure 7As shown, the bed 70B of the embodiment includes a back bottom plate 70a, a waist bottom plate 70b, a knee joint bottom plate 70c, and a foot bottom plate 70d. The back bottom plate 70a, the waist bottom plate 70b, the knee joint bottom plate 70c, and the foot bottom plate 70d are arranged on the frame 70F. For example, the driving unit 70D is arranged between the waist bottom plate 70b and the frame 70F. Through the operation of the driving unit 70D, the angles of the back bottom plate 70a, the knee joint bottom plate 70c, and the foot bottom plate 70d can be changed. These angles are, for example, angles based on the frame 70F.

[0143] Next, an example of an air mattress to which the embodiment is applied is described. For example, the shape of the mattress is changed based on the bio-signal (first information IF1).

[0144] Figure 8 It is a schematic perspective view of a mattress according to an exemplary embodiment.

[0145] like Figure 8 As shown, the bed 70B of this embodiment includes a mattress 76 and a mattress control unit 42. A mattress acquisition unit 43 may be further provided on the bed 70B. The mattress acquisition unit 43 may also be included in the mattress control unit 42. The mattress 76 may also be arranged on the bottom plate of the bed 70B.

[0146] For example, the mattress 76 includes a plurality of air chambers 76a. The plurality of air chambers 76a are arranged, for example, along a direction connecting the head and the foot of the mattress 76 (for example, the X-axis direction). For example, each of the plurality of air chambers 76a extends along the left-right direction of the mattress 76 (for example, the Y-axis direction). For example, the amount of air inside each of the plurality of air chambers 76a is controlled by the pump unit 76b. Thus, the pressure inside each of the plurality of air chambers 76a is changed. For example, the height of each of the plurality of air chambers 76a (for example, the position of the upper end of the plurality of air chambers in the Z-axis direction) can be changed.

[0147] For example, a mattress driving unit 76f (e.g., a circuit unit) is provided. The pump unit 76b is connected to the mattress driving unit 76f via a cable 76c. The pump unit 76b is operated by the control of the control unit of the mattress driving unit 76f, and as a result, various controls can be performed on the states of the plurality of air chambers 76a.

[0148] In this example, a mattress operation unit 76d is provided. The mattress operation unit 76d is connected to the mattress driving unit 76f via a cable 76e. The mattress operation unit 76d receives an operation of the user of the mattress 76. A signal SM corresponding to the operation received by the mattress operation unit 76d is supplied to the mattress driving unit 76f, and as a result, the state of the mattress 76 (for example, the shape of the plurality of air cells 76a) can be controlled by manual control.

[0149] In the embodiment, the state (for example, shape) of the mattress 76 is controlled by automatic operation under automatic control by the mattress control unit 42 , unlike manual control.

[0150] In the embodiment, a first sensor 31 is provided. The first sensor 31 is provided, for example, under the mattress 76. The first sensor 31 detects biological signals including body movements of the user of the mattress 76. The first sensor 31 outputs a signal SS corresponding to the biological signal. The mattress acquisition unit 43 acquires the signal SS. The signal SS is supplied to the mattress control unit 42. For example, the signal SS may also include information related to at least any one of the user's breathing frequency and heart rate. The signal SS may also include information related to the movement of at least any one of the user's arms, torso, and feet. The signal SS may also include information related to the user turning over. The signal SS may also include a signal related to the number of times the user turns over.

[0151] The mattress control unit 42 controls the state (eg, shape) of the mattress 76 according to the change ΔS of the signal SS. This control is performed, for example, by controlling the pump unit 76b under the control of the mattress driving unit 76f. In this way, the mattress control unit 42 can perform automatic control based on biological signals in addition to manual control.

[0152] Next, an example of the state of the mattress 76 will be described.

[0153] Fig. 9 (a) and Fig. 9 (b) is a schematic side view of a mattress according to an exemplary embodiment.

[0154] Below, the user lies Fig. 9 (a) and Fig. 9 (b) is based on the state of the mattress shown in any of the figures. Fig. 9 (a) The user's feet are placed on the negative side of the X-axis direction. Fig. 9 The description is given assuming that the positive side in the X-axis direction of (a) is the positive side.

[0155] Fig. 9 (a) and Fig. 9 (b) illustrates the state (eg shape) of the mattress 76 . Fig. 9 (a) corresponds to one state of the mattress 76 (first mattress state mt1). Fig. 9 (b) corresponds to another state of the mattress 76 (second mattress state mt2).

[0156] A portion (head portion 77a) of the plurality of air chambers 76a corresponds to the head of the user, another portion (waist portion 77b) of the plurality of air chambers 76a corresponds to the waist of the user, and another portion (foot portion 77c) of the plurality of air chambers 76a corresponds to the foot of the user.

[0157] like Fig. 9 As shown in (a), in the first mattress state mt1, with the position of the upper surface of the head 77a of the mattress 76 as a reference, the position of the upper surface of the waist 77b of the mattress 76 is lower than the position of the upper surface of the head 77a of the mattress 76. This means that the air chamber at the waist sinks and the internal pressure of the air chamber at the waist is lower than the internal pressure of the air chamber at the head side. Or it means that the weight received by the air chamber at the waist is greater than the weight received by the air chamber at the head side.

[0158] For example, the position of the upper surface of the waist portion 77b of the mattress 76 is lower than the position of the upper surface of the foot portion 77c of the mattress 76. In the first mattress state mt1, the shape of the mattress 76 has a gentle inclination. When the user lies on the mattress 76 in the first mattress state mt1, the back of the user is gently inclined. In the first mattress state mt1, the height of the foot portion 77c may also be lower than the height of the head portion 77a.

[0159] On the other hand, Fig. 9 As shown in (b), in the second mattress state mt2, the position of the upper surface of the waist portion 77b of the mattress 76 is substantially the same as the position of the upper surface of the head portion 77a of the mattress 76. The position of the upper surface of the waist portion 77b of the mattress 76 is substantially the same as the position of the upper surface of the foot portion 77c of the mattress 76. In the second mattress state mt2, the mattress 76 is substantially flat. When the user lies on the mattress 76 in the second mattress state mt2, the back of the user is substantially flat. In the second mattress state mt2, the position of the upper surface of the waist portion 77b may also be slightly higher than the position of the upper surface of the head portion 77a.

[0160] For example, the difference between the position of the upper surface of the head portion 77 a of the mattress 76 and the position of the upper surface of the waist portion 77 b of the mattress 76 corresponds to the back angle θ.

[0161] For example, it is considered that when the mattress 76 is flat (for example, the second mattress state mt2), it is easy for the user to turn over. On the other hand, when the mattress 76 is gently tilted (for example, the first mattress state mt1), it is easy for the user to fall asleep.

[0162] In the embodiment, the mattress control unit 42 changes the shape of the mattress 76 based on the biological signal of the user. For example, the shape is formed by switching between the first mattress state mt1 and the second mattress state mt2. Thus, a more comfortable sleep can be provided.

[0163] Next, an example of a bed 70B including a mattress 76 will be described.

[0164] Fig.10 (a) and Fig.10 (b) is a schematic diagram illustrating the bed according to the first embodiment.

[0165] Fig.10 (a) is a perspective view illustrating a mattress 76 . Fig.10 (b) is a cross-sectional view illustrating the bed 70B including the mattress 76 .

[0166] like Fig.10 As shown in (a), the mattress 76 includes a plurality of base parts (for example, a first base part 81a and a second base part 81b), a first layer 80a and a second layer 80b. In this example, the plurality of base parts also include base parts 81c and 81d.

[0167] For example, the second layer 80 b is provided on a plurality of base parts, and the first layer 80 a is provided on the second layer 80 b.

[0168] The plurality of base parts, the first layer 80a and the second layer 80b contain a polymer foam. The polymer foam includes, for example, urethane foam.

[0169] The plurality of base parts may be, for example, side edge parts. The central mattress part may be disposed between the two side edge parts. As described later, the central mattress part may include, for example, a gas container (eg, an air chamber).

[0170] The plurality of base portions are arranged along a first direction (eg, X-axis direction). For example, a direction from the first base portion 81a to the second base portion 81b is along the first direction.

[0171] A direction perpendicular to the X-axis direction is defined as the Z-axis direction. A direction perpendicular to the X-axis direction and the Z-axis direction is defined as the Y-axis direction.

[0172] The first direction corresponds to, for example, the direction from the head to the feet of the user when sleeping on the mattress 76. The Y-axis direction corresponds to the left-right direction. The Z-axis direction corresponds to the direction from the lower surface to the upper surface of the mattress 76.

[0173] like Fig.10 As shown in (a), for example, the direction from the first base portion 81a to the second base portion 81b (first direction) intersects with the direction from the first base portion 81a to the first layer 80a (Z-axis direction), and intersects with the direction from the second base portion 81b to the first layer 80a (Z-axis direction).

[0174] The second layer 80b is provided between the first base part 81a and the first layer 80a and between the second base part 81b and the first layer 80a. The second layer 80b is bonded to the first layer 80a. A plurality of base parts are bonded to the second layer 80b. The second layer 80b is, for example, an intermediate layer. In the embodiment, "bonding" includes bonding or welding, etc.

[0175] like Fig.10 As shown in FIG. 2( b ), a mattress 76 is disposed above a bed portion 70. The bed portion 70 is, for example, an electric bed. The bed portion 70 includes, for example, a back bottom plate 70a (back section), a waist bottom plate 70b (seat section), a knee joint bottom plate 70c (upper leg section), and a foot bottom plate 70d (lower leg section). These bottom plates are supported, for example, by a frame 75. The angles between these bottom plates can be changed.

[0176] The mattress 76 is arranged on the bed portion 70. When the mattress 76 is arranged on the bed portion 70, the mattress 76 is deformed according to the change in the angle of the plurality of bottom plates. The mattress 76 is bent. In the embodiment, the first layer 80a and the second layer 80b have appropriate characteristics. Thus, it is possible to suppress the peeling of the plurality of base portions and the damage of the second layer 80b, and provide a good sense of comfort.

[0177] The first layer 80a and the second layer 80b include, for example, a plurality of cells. The cells are, for example, holes. In one example, the size of the cells (holes) included in the second layer 80b is larger than the size of the cells (holes) included in the first layer 80a. As the size of the cells, for example, the average size of the cells included in a distance (for example, 10 mm) serving as a reference may be used. For example, the size of the cells included in the second layer 80b is approximately 1 mm. On the other hand, for example, the size of the cells included in the first layer 80a is approximately 0.2 mm. For example, the size of the cells included in the second layer 80b may be more than four times the size of the cells included in the first layer 80a.

[0178] In one example, the number of cells in the second layer 80b is less than the number of cells in the first layer 80a. The number of cells is defined, for example, by the "Number of Cells" described in Appendix 1 of JIS K6400-1:2004. The number of cells corresponds to the number of cells existing between the reference distances. For example, the number of cells in the second layer 80b is 22. For example, the number of cells in the first layer 80a is 50. For example, the number of cells in the first layer 80a may be more than twice the number of cells in the second layer 80b.

[0179] In one example, the tensile strength of the second layer 80b is higher than the tensile strength of the first layer 80a. The tensile strength of the second layer 80b is, for example, 150 kPa. The tensile strength of the second layer 80b is, for example, preferably 140 kPa or more. On the other hand, the tensile strength of the first layer 80a is, for example, 30 kPa or more and less than 140 kPa. Such tensile strength is used to suppress damage, etc., and to obtain good cushioning properties. The tensile strength is defined, for example, by the "tensile strength" described in JIS K6400-5:2012. For example, the tensile strength of the second layer 80b may also be 1.5 times or more of the tensile strength of the first layer 80a.

[0180] In one example, the elongation of the second layer 80b is higher than the elongation of the first layer 80a. The elongation of the second layer 80b is, for example, 115%. The elongation of the first layer 80a is, for example, 80%. The elongation is defined by the "elongation" described in JIS K6400-5:2012. For example, the elongation of the second layer 80b may be 1.2 times or more of the elongation of the first layer 80a.

[0181] In an embodiment, the second layer 80b may also have: a second chamber having a second size larger than the second size of the first chamber included in the first layer 80a, a second number of chambers less than the first number of chambers in the first layer 80a, a second tensile strength higher than the first tensile strength of the first layer 80a, and at least any one of a second elongation higher than the first elongation of the first layer 80a.

[0182] In the embodiment, the first layer 80a is reinforced by the second layer 80b as described above. Furthermore, since the second layer 80b includes a polymer foam, good cushioning properties are obtained.

[0183] For example, Fig.10 As shown in (b), when the mattress 76 is bent, strong stress is applied to the bent portion (portion 80p). Even when strong stress is applied to the bent portion (portion 80p), the first layer 80a and the second layer 80b as described above can suppress the peeling of the plurality of base parts and the damage of the first layer 80a and the second layer 80b. According to the embodiment, the peeling of the plurality of base parts can be suppressed, and good comfort (for example, softness) can be provided. For example, the damage of the first layer 80a and the second layer 80b can be suppressed, and good comfort (for example, softness) can be provided.

[0184] In the embodiment, the thickness t2 of the second layer 80b (see Fig.10 (a)) is preferably 3 mm or more. This makes it easy to obtain good cushioning properties. The thickness t1 of the first layer 80a (see Fig.10 (a)) is preferably 3 mm or more. This makes it easy to obtain good cushioning properties.

[0185] By using polymer foam for both the first layer 80a and the second layer 80b (eg, the middle layer), the mattress can be manufactured at low cost compared to the case where a polyurethane resin film (eg, including cloth) is used as the middle layer.

[0186] (Second Embodiment)

[0187] Fig.11 (a) and Fig.11 (b) is a schematic perspective view illustrating a mattress according to the second embodiment.

[0188] In these figures, in order to facilitate viewing of the drawings, a plurality of elements included in the mattress 76 of the embodiment are drawn separately from each other. Fig.11 (b), Fig.11 The Z-axis direction (eg, up-down direction) of (a) is reversely drawn.

[0189] like Fig.11 (a) and Fig.11 As shown in (b), the mattress 76 of the embodiment includes a third base portion 82c, a fourth base portion 82d, and a gas storage portion 86 in addition to the first layer 80a, the second layer 80b, the first base portion 81a, and the second base portion 81b. In this example, a base portion 82e and a base portion 82f are also provided. The first base portion 81a and the second base portion 81b are included in the first side edge portion 81, for example. The third base portion 82c, the fourth base portion 82d, the base portion 82e, and the base portion 82f are included in the second side edge portion 82, for example.

[0190] The gas containing part 86 includes a plurality of gas containing bodies 86a. The direction from the first base part 81a to the gas containing part 86 (in this example, the Y-axis direction) intersects with the direction from the first base part 81a to the first layer 80a (for example, the Z-axis direction). The direction from the second base part 81b to the gas containing part 86 (in this example, the Y-axis direction) intersects with the direction from the second base part 81b to the first layer 80a (for example, the Z-axis direction). The direction from the gas containing part 86 to the first layer 80a is along the direction from the first base part 81a to the first layer 80a (for example, the Z-axis direction).

[0191] like Fig.11 As shown in (b), the direction from the third base portion 82c to the fourth base portion 82d intersects the direction from the first base portion 81a to the first layer 80a (eg, the Z-axis direction). The direction from the third base portion 82c to the fourth base portion 82d is, for example, along the X-axis direction.

[0192] The direction from the third base portion 82c to the first layer 80a is along the direction from the first base portion 81a to the first layer 80a (Z-axis direction). The direction from the fourth base portion 82d to the first layer 80a is along the direction from the first base portion 81a to the first layer 80a (Z-axis direction).

[0193] The gas containing portion 86 is located between the first base portion 81a and the third base portion 82c in the Y-axis direction. The gas containing portion 86 is located between the second base portion 81b and the fourth base portion 82d in the Y-axis direction.

[0194] The second layer 80b is provided between the third base portion 82d and the first layer 80a and between the fourth base portion 82d and the first layer 80a.

[0195] The mattress 76 may further include a pump unit 87. The pump unit 87 supplies air to and exhausts air from the plurality of gas containers 86a. A portion of the gas container 86a may be provided between the pump unit 87 and the base unit 82f.

[0196] In the first side edge portion 81 and the second side edge portion 82 , it is possible to suppress peeling of the plurality of base portions and damage to the first layer 80 a and the second layer 80 b .

[0197] like Fig.11 As shown in (b), edge portions 83 and 84 may be provided. The edge portions 83 and 84 contain a polymer foam. The gas containing portion 86 is provided between the edge portion 83 and the edge portion 84 in the first direction (X-axis direction). By providing the edge portion 83, the shape of the mattress can be properly maintained at the edge portion on the user's head side. By providing the edge portion 84, the shape of the mattress can be properly maintained at the edge portion on the user's foot side. At least a portion of the base portion included in the mattress of the embodiment may also be cut away.

[0198] Several examples of the first sensor 31 are described below.

[0199] Fig.12 (a) and Fig.12 (b) is a schematic diagram of a bed according to an exemplary embodiment.

[0200] Fig.12 (a) is a schematic perspective view illustrating the sensor 62 and the arrangement of the sensor 62. Fig.12 (b) is a schematic top view of an example sensor 62. Fig.12 In (a), the components are drawn separately from each other for the sake of easy understanding of the drawing. The sensor 62 is an example of the first sensor 31.

[0201] like Fig.12As shown in (a), the frame 70F is supported by the bed legs 74. The bottom plate 71 (e.g., the back bottom plate 70a, the waist bottom plate 70b, the knee joint bottom plate 70c, and the foot bottom plate 70d) is provided on the frame 70F. The mattress 76 is provided on the bottom plate 71. The user 88 lies on the mattress 76. The sensor 62 is provided, for example, between the bottom plate 71 and the mattress 76. In this example, the sensor 62 is in the form of a sheet or a plate.

[0202] like Fig.12 As shown in (b), the sensor 62 includes a circuit unit 62a and a sensor unit 62b. The circuit unit 62a includes a communication unit 62c. The communication unit 62c transmits and receives data to and from the control unit 40. The transmission and reception are performed by any method including at least one of wired and wireless methods.

[0203] The sensor unit 62b includes, for example, a sensor device 62d. The sensor unit 62b detects a force (or a characteristic corresponding to the force) applied to the sensor unit 62b. The force includes, for example, at least one of pressure and sound waves. The sensor unit 62b includes, for example, a pressure sensor. The sensor unit 62b includes, for example, a microphone.

[0204] A force (at least one of pressure and sound waves) from the user 88 is applied to the sensor unit 62b via the mattress 76. The force is based on, for example, the movement of the body. For example, a signal based on the force detected by the sensor unit 62b is output from the circuit unit 62a. In one example, the circuit unit 62a may also parse the signal based on the force detected by the sensor unit 62b. In this case, the circuit unit 62a may also estimate the state of the user 88 (getting up, sleeping, waking up, etc.) based on at least one of the magnitude of the signal (based on the force detected by the sensor unit 62b) and the change in the magnitude of the signal (force) over time.

[0205] In one example, a signal based on the force detected by the sensor unit 62b may also be supplied from the circuit unit 62a to the control unit 40. In the control unit 40, the state of the user 88 (getting up, sleeping, or waking up, etc.) may be estimated based on at least one of the magnitude of the signal (force) and the magnitude of the signal (force) changing over time. Alternatively, in the circuit unit 62a, the state of the user 88 (getting up, sleeping, or waking up, etc.) may also be estimated based on at least one of the force detected by the sensor unit 62b and the force changing over time. The state of the user 88 may also include getting up, getting up preparation state (e.g., sitting upright), getting up, falling asleep, sleeping, or waking up.

[0206] In at least one of the control unit 40 and the circuit unit 62a, the biosignal of the user 88 is detected based on at least one of the magnitude of the signal (force) and the change in the magnitude of the signal (force) over time. The biosignal includes at least one of the breathing frequency and the heart rate of the user 88. The state of sleep can also be estimated based on the biosignal. The posture of the user 88 while sleeping can also be estimated based on the biosignal.

[0207] For example, vibration corresponding to the state of the user 88 is applied to the sensor portion 62b. For example, the vibration responds to the body movement of the user 88. The vibration is detected by the sensor portion 62b. The vibration may also include sound.

[0208] For example, a vibration detection unit (sensor unit 62b) and a processing unit (at least a part of at least one of the circuit unit 62a and the control unit 40) are provided. The processing unit includes, for example, a computer. The vibration detection unit detects, for example, the vibration of the user 88 on the bed 70B. The processing unit includes, for example, an activity amount calculation unit, a sleep determination value calculation unit, and a sleep state determination unit. These units are functionally distinguished. The activity amount calculation unit calculates the activity amount of the sleeper per sampling unit time based on the vibration detected by the vibration detection unit, for example. The sleep determination value calculation unit calculates, for example, the sum of the values ​​obtained by multiplying the activity amount at a first moment (for example, the current moment) and the activity amount calculated at a second moment (for example, the moment before the current moment) by a correction coefficient weighted according to time as a sleep determination value. The sleep state determination unit determines, for example, that the sleep determination value is in the awake state when the sleep determination value exceeds a prescribed threshold value, and determines that the sleep state is in the other case.

[0209] Fig.13 (a)~ Fig.13 (d) is a schematic diagram of a bed according to an exemplary embodiment.

[0210] Fig.13 (a) is a cross-sectional view of an example of the sensor 62 . Fig.13 (b) is a top view of an example of the sensor 62. Fig.13 (c) is a perspective view illustrating the arrangement of the sensor 62 . Fig.13 (d) is a side view illustrating the configuration of the sensor 62 .

[0211] like Fig.13 As shown in (a), in this example, the sensor 62 includes a first plate 62p and a second plate 62q. The second plate 62q is opposite to the first plate 62p. These plates may also be in sheet form.

[0212] The second plate body 62q includes a supporting protrusion 62s. The supporting protrusion 62s is opposite to the outer edge of the first plate body 62p. The first plate body 62p includes an inner side portion inside the outer edge portion. An air containing body 62r is provided between the inner side portion and the second plate body 62q. In this example, a groove 62t is provided on the second plate body 62q. The air containing body 62r is provided in the space (separated space) formed by the groove 62t. One end of the signal line 62u is connected to the air containing body 62r. ​​The other end of the signal line 62u is connected to the detection circuit 62v (detection device).

[0213] like Fig.13 As shown in (b), the support protrusion 62s is opposed to a part of the outer edge of the first plate body 62p. In this example, the support protrusion 62s is provided at the four corners of the first plate body 62p. The sensor 62 is in the form of a sheet or a plate.

[0214] like Fig.13 As shown in (c), the sensor 62 is placed on the bottom plate 71. Fig.13 As shown in FIG. 5( d ), the sensor 62 is placed on the base plate 71 , and the mattress 76 is placed on the sensor 62 . The user 88 lies on the mattress 76 .

[0215] For example, a force corresponding to the movement of the body of the user 88 is applied to the air container 62r. ​​The force includes, for example, vibration. The force (or the characteristic corresponding to the force) applied to the air container 62r is detected by the detection circuit 62v. For example, a pressure detector is provided in the air container 62r, and the signal (detection result) obtained by the pressure detector is supplied to the detection circuit 62v. For example, a microphone is provided in the air container 62r, and the signal (detection result) obtained by the microphone is supplied to the detection circuit 62v. For example, the output (signal) of the detection circuit 62v is supplied to the control unit 40. In the control unit 40, the state of the user 88 (getting up, sleeping, or waking up, etc.) can be estimated. Alternatively, in the detection circuit 62v, the state of the user 88 (getting up, sleeping, or waking up, etc.) can also be estimated based on at least any one of the detected force and the change of the force over time. The state of the user 88 may also include getting up, sitting up (for example, getting up and preparing to get up), getting up, falling asleep, sleeping, or waking up.

[0216] The sensor 62 is, for example, a biological information collection device. In the sensor 62, for example, the first plate 62p is arranged on the body side of the user 88. The second plate 62q is, for example, arranged on the support side. Between the central parts of the first plate 62p and the second plate 62q, a deformable air container 62r for air pressure detection is provided. A groove 62t for mounting the air container 62r is provided in the central part of the second plate 62q. The support protrusion 62s protrudes in the direction from the second plate 62q toward the first plate 62p. The support protrusion 62s supports the four corners around the first plate 62p. The support protrusion 62s, for example, always supports the first plate 62p in a horizontal state (normal state).

[0217] In the embodiment, the sensor 62 may be variously modified.

[0218] Fig.14 is a schematic diagram of a bed system according to an exemplary embodiment.

[0219] like Fig.14 As shown, the bed system 210 includes a bed 70B and a control device 110. The bed system 210 may also include at least one of a first sensor 31, a second sensor 32, an electronic device 35, a sound device 36, an environment control unit 51, a dimming device 56, a lighting device 57, a blower 58, and a display device 59.

[0220] Fig.15 is a schematic diagram of a bed system according to an exemplary embodiment.

[0221] like Fig.15 As shown, in the bed system 210, a bed 70B and a control device 110 are provided. In this example, at least a part of the functions of the control device 110 are implemented by at least a part of the control unit included in the first sensor 31. The bed 70B may also include a bed control unit 70Bc. The drive unit 70D is controlled by the bed control unit 70Bc. The bed 70B may also include a bed receiving unit 70Br. The bed receiving unit 70Br receives operations related to the bed 70B. The bed receiving unit 70Br is, for example, a remote control device. The bed 70B may also include a mattress 76. In the case where the mattress 76 is an air cushion, the pressure of the air chamber 76a may also be controlled by the bed control unit 70Bc. The data between the control device 110 and the bed 70B may also be sent and received by any wired or wireless method.

[0222] The bed system 210 may be provided with a communication device 48. The communication device 48 is, for example, a router. Communication in the communication device 48 may be performed via a wireless LAN (local area network). For example, communication between the control device 110 and other devices is performed via the communication device 48.

[0223] The other devices include, for example, at least one of the second sensor 32, the sound device 36, the display device 59, and the environment control unit 51. The environment control unit 51 includes, for example, at least one of the dimming device 56 (curtains, etc.), the lighting device 57, and the air blower 58. Communication between the communication device 48 and the air blower 58 (for example, an air conditioner, etc.) may also be performed via the relay device 58a. The relay device 58a may also be, for example, a remote control device for the air blower 58 (for example, an air conditioner, etc.).

[0224] Other equipment may also include bed accessories 78a and 78b. Bed accessory 78a is, for example, a pillow. Bed accessory 78b is, for example, an electric blanket. For example, the height or temperature of the pillow may be controlled by the control device 110. For example, the temperature of the electric blanket may be controlled by the control device 110. At least one of the temperature of the bed 70B, the temperature of the mattress 76, and the temperature in the room may be controlled by the control device 110. These temperatures may be controlled according to the user's body temperature. The shape of the pillow may be appropriately controlled according to the shape of the user's head, and may be customized. For example, to suppress frozen shoulder. For example, when snoring is heard, the shape of the pillow may be changed to stop snoring.

[0225] The communication between the communication device 48 and the above-mentioned other devices is performed via, for example, a wireless LAN or the like.

[0226] The data obtained by the first sensor 31 may be supplied to the server 48s via the communication device 48. The server 48s can communicate with any electronic device, such as the electronic device 35 for the user 88, the electronic device 35a for the caregiver, the management computer 48a, and any computer 48b.

[0227] At least a part of the functions of the control device 110 is implemented by at least a part of the control unit included in the first sensor 31. At least a part of the functions of the control device 110 may also be implemented by at least a part of the bed control unit 70Bc. At least a part of the functions of the control device 110 may also be performed by the electronic device 35 or the electronic device 35s. At least a part of the functions of the control device 110 may also be implemented by at least any one of the server 48s, the management computer 48a, and the computer 48b. At least a part of the control device 110 may also be included in the first sensor 31, the bed control unit 70Bc, the electronic device 35, the electronic device 35s, the server 48s, the management computer 48a, and the computer 48b.

[0228] According to the embodiment, a control device capable of providing high-quality sleep can be provided.

[0229] The embodiments of the present invention are described above with reference to specific examples. However, the present invention is not limited to these specific examples. For example, as long as the specific structure of each element such as the acquisition unit and the control unit included in the control device can obtain the same effect by appropriately selecting from the known range and implementing the present invention in the same manner, it is included in the scope of the present invention.

[0230] As long as the gist of the present invention is included, any combination of two or more elements in each specific example is also included in the scope of the present invention within the scope of technical possibility.

[0231] Furthermore, any control device obtained by appropriately changing the design and implementing the control device described above as an embodiment of the present invention by a person skilled in the art also belongs to the scope of the present invention as long as it includes the gist of the present invention.

[0232] Furthermore, within the scope of the concept of the present invention, those skilled in the art may conceive of various variations and modifications, and it should be understood that these variations and modifications also belong to the scope of the present invention.

[0233] Several embodiments of the present invention have been described, but these embodiments are provided as examples and are not intended to limit the scope of the invention. These embodiments can be implemented in various other ways, and various omissions, substitutions and changes can be made without departing from the scope of the invention. These embodiments and their variations are included in the invention described in the claims and their equivalents as well as being included in the scope and spirit of the invention.

[0234] Description of Reference Numerals

[0235] 31, 32: first and second sensors; 35, 35a: electronic device; 36: sound device; 40: control unit; 42: mattress control unit; 43: mattress acquisition unit; 45: acquisition unit; 45a: output; 48: communication device; 48a: management computer; 48b: computer; 48s: server; 51: environment control unit; 56: dimming device; 57: lighting device; 58: air blower; 58a: relay device; 59: display device; 62: sensor; 62a: electric 62b: sensor unit; 62c: communication unit; 62d: sensor device; 62p, 62q: first and second plates; 62r: air container; 62s: support protrusion; 62t: groove; 62u: signal line; 62v: detection circuit; 70: bed unit; 70B: bed; 70Bc: bed control unit; 70Br: bed receiving unit; 70D: drive unit; 70F: frame; 70H: height; 70L: floor; 70M: mattress; 70a: back bottom plate; 70b: waist Base plate; 70c: knee base plate; 70d: foot base plate; 71: base plate; 74: bed leg; 76: mattress; 76a: air chamber; 76b: pump unit; 76c: cable; 76d: mattress operating unit; 76e: cable; 76f: mattress driving unit; 77a: head; 77b: waist; 77c: foot; 78a, 78b: bed accessories; 80a, 80b: first and second layers; 80p: part; 81: first side edge; 81a, 81b: first and second base parts ; 81c, 81d: base portion; 82: second side edge portion; 82c, 82d: third and fourth base portions; 82e: base portion; 83, 84: edge portion; 86: gas container portion; 86a: gas container; 87: pump portion; 88: user; θ: back angle; 110: control device; 210: bed system; IF1: first information; IF1, IG2: second information; IW: alarm; SM: signal; SS: signal; mt1, mt2: first and second mattress states.

Claims

1. A control device, wherein: have: an acquisition unit capable of acquiring first information obtained from a first sensor capable of acquiring biological information of a bed user on the bed; and a control unit, determining a waking time of the user based on the first information, At the time when the user gets up, the control unit increases the back angle of the bed and then performs at least one of an action of increasing the brightness at the position of the bed and an action of sending air toward the bed. The acquisition unit further acquires information related to brightness at a location where the bed is placed based on second information obtained from a second sensor capable of detecting brightness at a location where the bed is placed, When the brightness at the place is greater than a threshold value at the time when the user wakes up and the first information corresponds to the user being in a prone position, the control unit increases the back angle, The increased back angle when the posture is the prone position is smaller than the increased back angle when the posture is the supine position, When the brightness at the location is less than a threshold value at the waking time of the user, the control unit increases the brightness at the location of the bed.

2. The control device according to claim 1, wherein: At the user's waking time, when the first information includes information corresponding to the user's supine position, the control unit, after increasing the back angle of the bed, performs at least one of an action of increasing the brightness at the position of the bed and an action of supplying air toward the bed.

3. The control device according to claim 1, wherein: At the user's waking time, when the first information includes information corresponding to the user's side-lying position, the control unit increases the back angle after performing at least one of an action of increasing the brightness at the position of the bed and an action of supplying air toward the bed.

4. The control device according to claim 1, wherein: At the waking time of the user, when the first information includes information corresponding to the user being in a prone position, the control unit increases the back angle, The increased back angle when the posture is the prone position is smaller than the increased back angle when the posture is the supine position.

5. The control device according to claim 1, wherein: In the operation of increasing the brightness at the position of the bed, the control unit performs at least one of an operation of irradiating light to the position of the bed and an operation of turning on a dimming device in a room where the bed is placed.

6. The control device according to claim 1, wherein: The first sensor is capable of estimating sleeping or waking of the user, The control unit controls a display state of a display device to correspond to the estimated sleep or wakefulness of the user.

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