JP7213082B2 - body support system - Google Patents

Description

The present invention relates to body support systems.

Conventionally, there has been known a body support system in which a shade (external light shielding device) is attached to a device for supporting a user's body (see Patent Documents 1 to 5, for example).

Japanese Utility Model Laid-Open No. 59-159371 Japanese Utility Model Laid-Open No. 60-013055 Japanese Utility Model Laid-Open No. 61-191030 Japanese Utility Model Laid-Open No. 62-120853 Japanese Utility Model Laid-Open No. 02-038922

However, with conventional body support systems, it is difficult to block visible light from the outside while providing bright lighting between the device and the shade according to the user's preference.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a body support system capable of blocking visible light from the outside while brightly illuminating a space between the body support system and the device. .

A body support system according to the present invention comprises an illuminated external light blocking device and a device for supporting a user's body to which the illuminated external light blocking device is attached, wherein the illuminated external light blocking device comprises: A first member that can block at least part of visible light and is attached to the device, and an illumination unit that illuminates a space between the first member and the device.

1 is a perspective view schematically showing a state in which the back bottom of the bed is lowered in the bed system of one embodiment of the present invention; FIG. 1 is a block diagram of a bed system according to one embodiment of the invention; FIG. FIG. 4 is a vertical cross-sectional view schematically showing a state in which the back bottom of the bed is raised and the first member is in a blocking state in the bed system of one embodiment of the present invention; 4 is a flow chart showing a first example of operation of the bed system of one embodiment of the present invention; FIG. 5 is a flow chart showing a second example of operation of the bed system of one embodiment of the present invention; FIG. FIG. 10 is a vertical cross-sectional view schematically showing a state in which the back bottom of the bed is raised and the first member is in a blocking state in the bed system of the modified example of the embodiment of the present invention; FIG. 10 is a perspective view schematically showing a state in which the back bottom of the bed is lowered in the bed system of the modified example of the embodiment of the present invention; FIG. 11 is a perspective view showing an example of a film in a bed system of a modified example of one embodiment of the present invention. FIG. 11 is a perspective view showing another example of a film in the bed system of the modified example of one embodiment of the present invention.

An embodiment of a body support system according to the present invention will now be described with reference to FIGS. 1 to 9, taking the case where the body support system is a bed system as an example.

The bed system 1 of this embodiment shown in FIG. 1 is installed, for example, on a floor surface. The bed system 1 includes an illuminated shade (illuminated external light shielding device) 11 and a bed (device) 31 to which the illuminated shade 11 is attached.
In addition, in each figure including FIG. 1, the code|symbol X shows the 1st direction along the longitudinal direction of the bed 31. As shown in FIG. Symbol Y indicates the second direction along the width direction of the bed 31, and symbol Z indicates the third direction along the vertical direction. A second direction Y is a direction orthogonal to the first direction X. As shown in FIG. A third direction Z is a direction orthogonal to the first direction X and the second direction Y, respectively. The first direction X and the second direction Y are directions along the horizontal plane.

The length of the bed 31 in the first direction X is longer than the length of the bed 31 in the second direction Y. The first direction X is the direction along the whole body of the first user (user) lying on the bed 31 and supported by the bed 31 .
The configuration of the bed 31 is not particularly limited. As shown in FIGS. 1 and 2, in this embodiment, the bed 31 includes a bottom 36 that supports the body of the first user, a base (main body) 46 that supports the bottom 36, and a bed that controls the base 46. A control unit 51 is provided. The bed 31 is an electric bed that operates using electric power as a power source.
The bed may be a manual bed. Also, the bed may be a flat bed in which the back and knees cannot be raised.

As shown in FIG. 1 , the bottom 36 includes a back bottom (Back section) 37 , a waist bottom (Seat section) 38 and a leg bottom (Leg section) 39 . These back bottom 37, waist bottom 38, and leg bottom 39 are arranged along the first direction X in this order. The back bottom 37 supports the back inside the body of the first user. The waist bottom 38 supports the waist of the first user. The leg bottoms 39 support the legs of the first user.
Note that FIG. 1 shows a state in which the back bottom 37 and leg bottoms 39 are lowered by a back raising mechanism and a knee raising mechanism, which will be described later.

The leg bottom 39 includes a knee bottom (upper leg section) 40 and a leg bottom (lower leg section) 41 . These knee bottoms 40 and leg bottoms 41 are arranged along the first direction X in this order. The knee bottom 40 is arranged closer to the waist bottom 38 than the leg bottom 41 is. The knee bottom 40 supports the first user's knees and hips. The leg bottom 41 supports the first user's knees and toes.
A mattress 43 is arranged on the bottom 36 . A first user lies on the mattress 43 .

The pedestal 46 includes a frame 47 that is installed on the floor and supports the bottom 36 , a back lifting mechanism (not shown) that moves the back bottom 37 with respect to the frame 47 , and a knee bottom 40 that moves the knee bottom 40 with respect to the frame 47 . and a lifting mechanism (not shown).
The bed control unit 51 controls the back raising mechanism and the knee raising mechanism. The bed controller 51 is connected to an AC (Alternating Current) 100V power supply 52 (see FIG. 2).

As shown in FIGS. 1 and 2, the illuminated shade 11 includes a first member 12, a third member 13, an illumination section 14, a drive section 15, a detection section 16, a measurement section 17, and an input section. 18 and a shade control section (control section) 19 . Note that the illuminated shade 11 may not be able to block visible light completely, but may be able to block only a part of visible light.
The first member 12 is a light blocking part that can block visible light. The first member 12 is formed in a U shape from a colored non-transparent plate material or the like. Note that the first member 12 may be able to adjust the transmittance of visible light using liquid crystal or the like.
The third member 13 is formed in a U shape. Although not shown, the third member 13 includes a main body made of a material with relatively high rigidity such as resin, and a cushion made of a flexible material such as urethane. The cushion covers the outer surface of the main body.
The third member 13 is arranged inside the first member 12 . The first member 12 is supported by the third member 13 by a bearing or the like (not shown) so as to be relatively rotationally movable with respect to the third member 13 .

The third member 13 is fixed (attached) to the back bottom 37 of the bed 31 while surrounding the sides of the back bottom 37 . The third member 13 surrounds the end of the back bottom 37 opposite to the waist bottom 38 . The third member 13 protrudes upward from the back bottom 37 . A shade control section 19 is built in the third member 13 , and an input section 18 is attached to the outer surface of the third member 13 .
In the first member 12 , the longitudinal intermediate portion 12 a along the U shape is arranged in a state separated from the back bottom 37 of the bed 31 . Note that FIG. 1 shows a retracted state in which the first member 12 is closest to the reference plane including the upper surface of the back bottom 37 within the range of movement of the first member 12 .

The illumination unit 14 has an LED (Light Emitting Diode), an organic EL (Electro Luminescence), a fluorescent lamp, or the like. The illumination unit 14 emits visible light when an AC voltage is applied.
The lighting section 14 is attached to the surface of the intermediate section 12 a of the first member 12 on the back bottom 37 side. The illumination unit 14 emits visible light toward the back bottom 37 of the bed 31 when AC voltage is applied. In this example, the illuminated shade 11 includes a plurality of lighting units 14 (two in this embodiment), and the plurality of lighting units 14 are arranged side by side in the second direction Y while being spaced apart from each other.
The illumination unit 14 illuminates the space between the intermediate portion 12 a of the first member 12 and the bed 31 .

The drive unit 15 includes, for example, an actuator and wires (not shown). The actuator can adjust the length of the wire protruding from the actuator when an AC voltage is applied. Also, the actuator can maintain the length of wire protruding from the actuator when no AC voltage is applied.
The actuator is fixed to the third member 13 . A wire is secured to the first member 12 . The drive unit 15 rotates the first member 12 around the bearing with respect to the third member 13 by adjusting the length of the wire protruding from the actuator.

The detection unit 16 is, for example, Nemuri SCAN (registered trademark, manufactured by Paramount Bed Co., Ltd.). The detection unit 16 detects the usage status of the bed 31 by the first user by a known method. The state of use of the bed 31 by the first user referred to here includes sleep state, wakefulness state, and the like. A sleeping state means a state in which the first user is lying on the bed 31 and sleeping. The wakeful state means that the first user is lying on the bed 31 but awake.
For example, the detector 16 is arranged between the back bottom 37 and the mattress 43 . The detector 16 periodically sends the detection result to the shade controller 19 .

The measuring unit 17 is, for example, a timer. The measurement unit 17 measures the current time. The measurement unit 17 periodically sends measurement results to the shade control unit 19 .

For example, the input section 18 has a button 18a and a dial 18b (see FIG. 1). It is assumed that the button 18a is previously in an OFF state in which a pair of internal contacts are separated from each other. Each time the button 18a is pushed, it alternately switches between an ON state (a state in which a pair of contacts are in contact with each other), an OFF state, an ON state, and so on. The state of the button 18a is periodically detected by the shade control section 19. FIG.
The dial 18b can rotate around the axis of the dial 18b. When the dial 18b is rotated from the reference position to one side around the axis, the dial 18b causes the shade control section 19 to separate (raise) the first member 12 from the reference plane with respect to the third member 13. give an instruction to rotate the On the other hand, when the dial 18b is rotated from the reference position to the other side around the axis, the dial 18b moves the first member 12 closer to the reference surface (lowers) with respect to the third member 13 with respect to the shade control unit 19. ) gives instructions to rotate.

The button 18a and the dial 18b of the input unit 18 may be operated by the first user whose body is supported by the bed 31, but may be operated by a second user who is different from the first user. good.

The shade controller 19 is supplied with an AC voltage from the bed controller 51 of the bed 31 . The shade control unit 19 controls the lighting unit 14 and the driving unit 15 based on the detection result of the detection unit 16, the measurement result of the measurement unit 17, the state of the button 18a, and the instruction given by the dial 18b of the input unit 18. do.

In the bed system 1 configured as described above, when the back raising mechanism is driven, the back bottom 37 is raised as shown in FIG. When the dial 18b is rotated to one side about the axis, the shade control section 19 rotates the first member 12 with respect to the third member 13 by the driving section 15 so as to separate from the reference plane. Thereby, the 1st member 12 will be in the interception state which intercepts the visible ray L1 which goes to the 1st user's P1 head from the outside. Note that the blocked state refers to a state in which the line of sight is blocked by the first member 12 when the first user P1 is lying on his/her back.
At this time, when the first user P1 presses the button 18a of the input unit 18 to turn it on, the shade control unit 19 applies an AC voltage to the illumination unit 14 to light the illumination unit 14 . The visible light L2 emitted from the lighting section 14 illuminates the space between the intermediate portion 12a of the first member 12 and the bed 31, and the visible light L2 brightly illuminates the surroundings of the first user P1.

Next, the operation of the bed system 1 configured as described above will be described.
As a first example of the operation of the bed system 1, a case of controlling the illumination section 14 using the detection section 16 will be described. FIG. 4 is a flow chart showing a first example of the operation of the bed system 1. As shown in FIG.
As previously shown in FIG. 3, the back bottom 37 of the bed 31 is raised, and the first member 12 is in the blocking state. The illumination unit 14 is turned off.
First, the first user P1 sleeps on the bed 31 in step S11 (see FIG. 4). At this time, the back bottom 37 may be raised or lowered. The first user P1 is in a sleeping state. Regardless of the state of the back bottom 37, the blocking state of the first member 12 continues. makes it easier to stay asleep.
After step S11 ends, the process proceeds to step S13.

Next, in step S13, the detection unit 16 detects the usage state of the first user P1, and the process proceeds to step S15. Since the first user P<b>1 is sleeping at this time, the detection unit 16 detects the sleeping state and sends the detection result to the shade control unit 19 .
Next, in step S15, the shade control unit 19 determines whether or not the first user P1 has changed from the sleep state to the wakeful state. At this time, since the first user P1 is in a sleeping state, it is determined No in step S15, and the process proceeds to step S13.
It is assumed that the first user P1 has changed from a sleep state to an awake state while repeating step S13 and step S15 as a set. At this time, it is determined as Yes in step S15, and the process proceeds to step S17.

Next, in step S<b>17 , the shade control section 19 applies an AC voltage to the lighting section 14 to turn on the lighting section 14 . The first member 12 blocks the visible light beam L1 directed toward the first user P1 from the outside, but the visible light beam L2 emitted from the lighting unit 14 hits the first user P1, and the first user P1 is blinded. Easier to wake up.

Next, as a second example of the operation of the bed system 1, a case of controlling the illumination section 14 and the drive section 15 using the measurement section 17 will be described. FIG. 5 is a flow chart showing a second example of the operation of the bed system 1. As shown in FIG. The first user P1 predetermines a desired time and causes the shade control section 19 to store it. The stored time may be the time at which the first user P1 wants to wake up, or may be the time before the time at which the first user P1 wants to wake up by a predetermined time.
As previously shown in FIG. 3, the back bottom 37 of the bed 31 is raised, and the first member 12 is in the blocked state. The illumination unit 14 is turned off.

First, the first user P1 sleeps on the bed 31 in step S11.
Next, in step S21, the current time is measured by the measurement unit 17, and the process proceeds to step S23.
Next, in step S23, the shade control section 19 determines whether or not the (predetermined) time at which the measurement result of the measurement section 17 is stored has come. At this time, if the measurement result of the measuring unit 17 does not reach the stored time, it is judged No in step S23, and the process proceeds to step S21.
Suppose that the time at which the measurement result of the measurement unit 17 is stored has come while repeating steps S21 and S23 as a set. At this time, it is determined as Yes in step S23, and the process proceeds to step S25.

Next, in step S<b>25 , the shade control section 19 applies an AC voltage to the lighting section 14 to light the lighting section 14 . Further, the shade control section 19 applies an AC voltage to the drive section 15 to move the first member 12 with respect to the third member 13 by the drive section 15, thereby bringing the first member 12 into the retracted state. As a result, the visible light L1 directed toward the first user P1 from the outside is more likely to hit the first user P1, and the visible light L2 emitted from the illumination section 14 further brightens the surroundings of the first user P1. Therefore, it becomes easier for the first user P1 to wake up.

When the first user P1 or the like presses the button 18a of the input section 18, the state of the button 18a is switched to the ON state, and the shade control section 19 turns on the illumination section 14. FIG. Further, when the first user P1 or the like presses the button 18a of the input unit 18, the state of the button 18a is switched to the OFF state, and the shade control unit 19 turns off the lighting unit 14. FIG.
When the first user P1 or the like rotates the dial 18b of the input section 18, the shade control section 19 causes the driving section 15 to rotate the first member 12. As shown in FIG.

The first user P1 may sleep on the bed 31 with the back bottom 37 and leg bottoms 39 lowered to flatten the upper surface of the bottom 36 . In this case, the first member 12 is positioned above the head of the first user P1 so that the head of the first user P1 is not illuminated by the illumination or the like directed from above the first user P1. position.

As described above, according to the bed system 1 of the present embodiment, the first member 12 can block visible light, and the illumination section 14 illuminates the space between the intermediate portion 12a of the first member 12 and the bed 31. . Therefore, while the first member 12 blocks visible light from the outside, the lighting section 14 can brightly illuminate the space between the illuminated shade 11 and the bed 31 .
In general, in a multi-bed room having a plurality of body support systems, the brightness of the room is uniform regardless of the location of the room. At night or early in the morning, users of the multi-bed room need to adjust their living times, so they may fall asleep and wake up at the same time. As a result, there is a problem that the user's life rhythm is disturbed and the user's quality of life is lowered. For example, early morning or late night reading, watching TV, hobby work, etc. are subject to restrictions on use. In the body support system 1 of the present embodiment, the first member 12 blocks the visible light L1 from the outside, while the lighting unit 14 brightly illuminates the area between the illuminated shade 11 and the bed 31. Desired brightness can be achieved in the body support system 1 while suppressing the influence on other users in the room.

Conventionally, raising or adjusting the height of the bed changes the distance between the luminaire of the body support system and the occupant. For this reason, this lighting fixture requires higher brightness and irradiation area, and lighting fixtures used by individual users in shared spaces have affected the spaces used by other users. On the other hand, the lighting section 14 in the body support system 1 of this embodiment is attached to the first member 12 . As a result, the lighting unit 14 and the first member 12 rotate integrally, and when the first member 12 rotates, the change in brightness at the position of the head of the first user P1 can be suppressed. can be done.

The shade control section 19 rotates the first member 12 with respect to the third member 13 by the driving section 15 based on the instruction given by the input section 18 . Therefore, the first member 12 can be rotationally moved while reducing the work burden on the first user P1 to move the first member 12 by the first user P1 himself/herself.

The shade control section 19 controls the illumination section 14 based on the detection result of the detection section 16 that detects the usage status of the bed 31 . Accordingly, the space between the illuminated shade 11 and the bed 31 can be brightly illuminated by the illumination unit 14 based on the usage status of the bed 31 .
The shade control unit 19 turns on the lighting unit 14 and moves the first member 12 with respect to the third member 13 by the driving unit 15 when the measurement result of the measuring unit 17 reaches a predetermined time. The visible light L1 directed toward the first user P1 from the outside becomes more likely to hit the first user P1, and the visible light L2 emitted from the illumination unit 14 further brightens the surroundings of the first user P1. P1 wakes up more easily.
Note that the lighting unit 14 may not be turned on in this operation.

As in the bed system 2 shown in FIG. 6, the lighting portion 62 of the shade 61 with lighting may be configured to illuminate only the hands of the first user P1 supported by the bed 31. FIG. The irradiation angle of the visible light L3 by the illumination unit 62 is smaller than the irradiation angle of the visible light L2 by the illumination unit 14 described above. In other words, the directivity of the lighting section 62 is greater than the directivity of the lighting section 14 .
By configuring as in this modified example, it is possible to prevent the visible light L3 from the illumination section 62 from brightly illuminating a portion other than the hands of the first user P1.
Further, the bed system 2 includes a second member 64 provided on the first member 12 that is more sound insulating than the first member 12 . The term "sound insulation" as used herein means the ability to block air-borne sound and solid-borne sound.
The second member 64 can be made of, for example, urethane, rubber, glass wool, or the like. Since the third member 13 is made of urethane or the like like the second member 64 , the third member 13 has higher sound insulation than the first member 12 .
The second member 64 is attached, for example, to the surface of the first member 12 opposite to the back bottom 37 .
By including the second member 64 in the bed system 2 , the transmission of sound through the second member 64 becomes difficult. As a result, the space above the bed 31 can be made more suitable for the preference of the first user P1 and more personal.

By operating the input unit 18, the AC voltage applied to the illumination unit 14 may be changed, and the brightness of the visible light emitted by the illumination unit 14 may be changed.
The first member 12 may be controlled to switch from the retracted state to the blocked state when the detection unit 16 detects that the first user P1 has changed from the wakeful state to the sleep state.
The lighting section may be attached to the bed 31 . Even in this case, the lighting unit illuminates the space between a portion of the first member 12 and the bed 31 by emitting visible light toward the first member 12 . The first member 12 blocks visible light emitted by the illumination unit.

Further, as in the bed system 3 shown in FIG. 7, a first member 71 capable of adjusting the transmittance of visible light may be provided instead of the first member 12 of the bed system 1 of the present embodiment. The first member 71 has a film 72 and a fourth member 73 that supports the film 72 . In addition, in FIG. 7, the film 72 is hatched.
The fourth member 73 is formed in a U shape from a colorless and transparent plate material such as acrylic. In this example, the fourth member 73 is large enough to cover the upper body of the first user P1. Note that the fourth member 73 may have a size that covers the entire body of the first user P1. The pair of lighting units 14 are attached to the surface of the fourth member 73 on the back bottom 37 side so as to be spaced apart in the second direction Y from each other.

The film 72 is attached between the pair of illumination portions 14 on the surface of the fourth member 73 on the back bottom 37 side. The film 72 is, for example, an oriented grain type film.
As shown in FIG. 8, the film 72 includes a first electrode 72a, a second electrode 72b arranged to face the first electrode 72a, and a film 72 arranged between the first electrode 72a and the second electrode 72b. and oriented particles 72c. Note that FIG. 8 and FIG. 9, which will be described later, do not show individual shapes of the oriented particles 72c.
The first electrode 72a and the second electrode 72b are elongated in a predetermined direction connecting the pair of illumination units 14 .
A cable 74 is connected to one end of the first electrode 72a in the predetermined direction. A cable 75 is connected to the end of the second electrode 72b on the other side in the predetermined direction. Cables 74 and 75 are connected to opposite ends of electrodes 72a and 72b, respectively. As shown in FIG. 7, cables 74 and 75 are connected to shade control section 19 . A regulated AC voltage is supplied to the film 72 from the shade controller 19 via cables 74 and 75 .

In addition, like the film 72A shown in FIG. 9, the cable 75 is connected to one end of the second electrode 72b in the predetermined direction, and the cables 74 and 75 are connected to the ends on the same side of the electrodes 72a and 72b. It may be connected to each part. Thus, the positions at which the cables 74 and 75 are connected to the electrodes 72a and 72b can be arbitrarily set as long as the cable 74 is connected to the first electrode 72a and the cable 75 is connected to the second electrode 72b.
As the film, a liquid crystal type film using liquid crystal molecules, an electrochromic type film using an oxidation/reduction reaction, or the like may be used.

As described above, one embodiment of the present invention has been described in detail with reference to the drawings, but the specific configuration is not limited to this embodiment, and the configuration can be changed, combined, or deleted without departing from the scope of the present invention. etc. are also included. Furthermore, it goes without saying that the configurations shown in the respective embodiments can be used in combination as appropriate.
For example, in the above embodiment, the first member 12 may block at least a portion of visible light, even if it cannot block all visible light. At least part of the visible light here means part of the wavelength of the visible light, part of the predetermined wavelength of the visible light, and the like.
The lighting section of the bed system may be configured to illuminate the head of the first user P1 supported by the bed 31 . The first user P1 who has been sleeping while being supported by the bed 31 wakes up when his head is illuminated. By configuring in this way, the bed system can be used as an alarm clock.

The shade does not have to include the third member 13 , the drive section 15 , the detection section 16 , the measurement section 17 , the input section 18 and the shade control section 19 . If the illuminated shade does not comprise the third member 13, the first member is attached directly to the bed 31.
The body support system is not limited to the bed system 1, and may be a chair system, a sofa system, or the like. For example, if the body support system is a chair system, the device is a chair. The body support system can also be used for overnight buses, airplanes, dialysis, and the like.

1,2,3 bed system (body support system)
11, 61 Illuminated shades (illuminated external light blocking devices)
12, 71 first member (light shielding part)
14, 62 lighting unit 31 bed (device)
64 second member P1 first user

Claims (4)

an illuminated external beam blocker; and
a device to which the illuminated external light shielding device is attached, which supports the user's body and has a back-raising mechanism for raising the user's back by the back bottom;
with
The illuminated external light blocking device includes:
a first member capable of blocking at least a portion of visible light and attached to a back lifting mechanism of the device;
an illumination unit attached to the first member and illuminating a space between the first member and the device;
a third member disposed inside the first member and attached to the back bottom;
with
The illuminated external light blocking device includes:
When the back bottom rises, it rises following the back bottom,
further, the illuminated external beam blocking device is rotatable relative to the third member to move the first member away from the back bottom;
The first member covers the user's head,
Furthermore, the back bottom can be lowered to a flat state,
A body support system in which the illuminated external light blocking device is positioned along the side of one end of the device when the back bottom is lowered to the flat position . Furthermore, a detection unit that detects whether the user is in a sleeping state or in an awake state,
with
2. The body support system according to claim 1, wherein the illumination unit illuminates the user when the detection unit detects that the user changes from the sleeping state to the awake state. Furthermore, a second member having higher sound insulation than the first member and provided on the first member;
3. The body support system of claim 1 or 2, comprising: 4. The body support system according to any one of claims 1 to 3, wherein the lighting unit illuminates only the hand of the user supported by the device.

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