JP6963191B2 - Chair - Google Patents

Description

The present invention relates to a chair and, in particular, relates to a chair provided with an awakening device that stimulates the seat occupant.

A technique for preventing a decrease in arousal of a vehicle driver is known for the purpose of preventing the occurrence of an accident during vehicle driving.
For example, Patent Document 1 discloses a technique of applying a vibration stimulus to a seated person by using a vehicle seat provided with an electric device such as a heart rate sensor or a respiration sensor and a motor.
On the other hand, a technique for preventing a decrease in alertness, in other words, preventing falling asleep, can be used not only for vehicle seats but also for office chairs with legs for the purpose of efficiently studying and working.
Although it is not provided with an awakening device, Patent Document 2 describes an air cell that functions as a cushioning material and a control device that controls the supply and discharge of air to and from the air cell (in the same document, a control unit). A chair with the description.) And is disclosed. This control device is provided on the seating surface side of the seat frame (described as the base portion in the same document), and is covered with a cover (described as the front support portion in the same document) from above. There is.
Further, in Patent Document 3, in order to correct the posture of the seated person, a sensor is arranged on the seating surface of the chair with legs, and a control unit including a battery, a control device and a cover covering them is attached to the seat portion of the chair. The document discloses a technique of mounting on the lower surface of a seated portion) and detecting the posture of a seated person by the presence or absence of a detection signal of a sensor.

Japanese Unexamined Patent Publication No. 2013-220810 Japanese Unexamined Patent Publication No. 2014-180415 Special Table 2006-503599

However, when an electric device is attached to a chair with legs, unlike the vehicle seat disclosed in Patent Document 1 in which the electric device can be arranged inside the vehicle, an attachment space for a battery, an ECU (Electrical Control Unit), or the like is provided. It was difficult to secure.
When the awakening device is attached to the chair with legs, unlike the case where the awakening device is attached to the vehicle seat in which the electric device can be arranged inside the vehicle, the control device and the battery constituting the awakening device are arranged near the seated person. I have no choice but to do so.

Further, when the control device constituting the awakening device is attached, it is conceivable to cover them with a cover in order to protect the control device. For example, if the control device is covered with a cover as in Patent Documents 2 and 3. , The heat generated from the control device may be trapped inside the cover and the temperature of the chair may rise.
For this reason, when the seated person touches a part of the chair whose temperature has become high due to the heat generated by the operation of the control device, the seated person may feel uncomfortable.

Further, when a cover is attached for protection against a control device, a battery, or the like and for heat insulation, there is a problem that the outer shape of the chair becomes larger by the amount of the cover.
Further, when the cover is attached, it becomes difficult to touch the control device, the battery, etc. covered with the cover, and there is a problem that the maintenance work becomes difficult.
Especially when the cover covers the battery, the cover had to be removed to replace the battery, which made it difficult to replace the battery.
Also, when the battery is a rechargeable battery, the charging cable connected to the charging jack and taken out of the cover may interfere with those passing around the chair.
Furthermore, when the harness or cable is inserted into the control device or battery inside the cover by inserting the cover, the harness or cable will be caught by something that passes around the chair or something around it and will come off. There was a problem.
In addition, it was difficult to use the awakening device because it was not possible to check the operating state, the stopped state, etc. of the awakening device without any display unit on the chair.

The present invention has been made in view of such problems, and an object of the present invention is to provide a chair capable of avoiding giving the seated person discomfort due to heat generated from an awakening device.
Another purpose is to reduce the size of the cover that covers at least part of the device that makes up the awakening device, making the chair compact.
Another object of the present invention is to facilitate the insertion and removal of the battery or the power supply to the battery when a cover for covering the battery for supplying electric power to the control device or the like is provided.
Yet another purpose is to make it possible to confirm the operating state of the awakening device.

According to the chair according to the present invention, the subject is a chair including a seat, a backrest, a sensor for detecting a body signal of a seated person, and a control device connected to the sensor. Alternatively, a cover attached to the back surface side of the main body of the backrest and covering the control device is provided, the control device is connected to a battery, and the control device and the battery are arranged so as to overlap each other. A plurality of ribs are formed on the inner surface of the cover, and the ribs are arranged so as to face both sides of the control device and the battery .

Further, it is preferable that the control device is arranged on the seater side with respect to the battery.
It is preferable that the control device and the battery are arranged so that the connection port of the control device and the charging jack of the battery face in the same direction .
The ribs pair direction is a distance wider portions between the ribs, preferably the distance between the ribs are formed so as to have a narrow portion.
It is preferable that the control device is arranged in a portion where the distance between the ribs is wide, and the battery is arranged in a portion where the distance between the ribs is small.
The cover preferably has a shape in which the seater side is open.

Further, it is preferable that the fan is arranged inside the cover.
According to the above configuration, the fan can enhance the heat exhaust property from the inside of the cover to the outside of the cover.

Further, it is preferable that an opening is formed on the rear side of the cover in the front-rear direction.
According to the above configuration, the exhaust air from the battery and the control device in the cover is discharged from the back of the cover to the outside of the cover, so that the legs of the occupant on the front side of the chair are exposed to the exhaust air and are seated. It is possible to avoid causing discomfort to the person.

Further, it is preferable that the cover has a recess at a position facing the stimulator or the battery for supplying electric power to the control device or the control device.
According to the above configuration, the size of the cover covering the battery and the control device can be made compact by having the cover having a recess at a position facing the battery or the control device.

Further, it is preferable that the battery or the control device is arranged at a position facing the deepest recess of the cover.
According to the above configuration, since the battery or the control device is arranged at a position facing the deepest recess of the cover, the outermost protruding portion is thinned by covering the battery or the control device, and the portion is thinned to the outside of the chair. The amount of overhang of the cover can be effectively reduced.

Further, the battery and the control device may be arranged so as to be overlapped with each other in the thickness direction at a position facing the deepest recess of the cover.
According to the above configuration, since the battery and the control device are arranged so as to be overlapped in the thickness direction, the cable connecting the two can be shortened and the assembling property to the seat or the backrest can be improved. Further, the position facing the deepest recess can effectively reduce the amount of protrusion of the cover to the outside of the chair.

Further, it is preferable that a support column for supporting the seat portion from below is provided, and the deepest recess of the cover is formed on the front side of the support column and in the central portion in the width direction of the chair.
According to the above configuration, since the deepest recess of the cover is formed on the front side of the support column, the battery or the control device can be arranged at a position facing the position.
Therefore, the cover can be removed and the battery or the control device can be touched from the front side of the support column, and the maintainability is improved.
Further, since the deepest recess is formed in the central portion in the width direction of the chair, a cover formed in a well-balanced manner in the width direction of the chair can be adopted, and the design can be enhanced.

Further, the cover may cover the battery and the control device arranged side by side in the width direction of the chair.
According to the above configuration, the battery and the control device are arranged side by side in the width direction of the chair, so that they are arranged in the vertical direction or the front-rear direction more than those arranged side by side in the vertical direction or the front-rear direction. The overhang of the cover can be suppressed.

Further, the seat portion includes a seat portion frame and a plate member provided on the seat portion frame, and the seat portion frame projects downward from the periphery and extends in the width direction of the chair. The battery having the lower frame portion and supplying electric power to the stimulating device and the control device and the control device are arranged in a space below the plate member and in front of the lower frame portion. Is preferable.
According to the above configuration, the space below the plate member and in front of the lower frame portion can be effectively used as a space for arranging the battery and the control device.

Further, a plurality of the recesses may be formed at positions facing the battery and the control device.
According to the above configuration, since a plurality of recesses are formed at positions facing the battery and the control device, the outside of the chair even when the battery and the control device are separately attached to the seat or the backrest. The amount of overhang of the cover on the chair can be effectively reduced.

Further, it is preferable that the cover is formed with an inlet / outlet which is an opening through which a battery for supplying electric power to the stimulator and the control device can be taken in and out.
According to the above configuration, since the cover is formed with an inlet / outlet, the battery can be taken in and out while the cover is attached to the main body.

Further, it is preferable that a support column for supporting the seat portion from below is provided, and the entrance / exit is formed at a position deviated from a position facing the support column.
According to the above configuration, it is possible to prevent the support column from becoming an obstacle when inserting and removing the battery.

Further, the stimulator and the control device are provided with a battery for supplying electric power, and the battery is a rechargeable battery having a charging jack. The charging jack is exposed on the cover and connected to the charging jack. It is preferable that a through hole is formed through which the charging cable can be passed.
According to the above configuration, since the cover is formed with a through hole through which the charging jack can be passed, the battery can be easily charged by inserting the charging cable into the charging jack with the cover attached to the main body. can.

Further, it is preferable that the support column for supporting the seat portion from below is provided, and the through port is formed at a position deviated from the position facing the support column.
According to the above configuration, it is possible to prevent the support column from becoming an obstacle when charging the battery.

Further, a support column for supporting the seat portion from below, a leg portion attached to the support column, and an extension cable having a charging connector having one end connected to the charging jack and the charging cable connected to the other end. The through hole of the cover is formed at a position facing the support column, and the extension cable is arranged through the through port to the leg portion along the support column to charge the battery. It is preferable that the connector is fixed to the leg portion.
According to the above configuration, since the charging cable can be connected to the charging connector fixed to the leg portion at a position away from the seat portion to charge the battery, it is possible to prevent the charging cable from getting in the way of the seated person or the like.

Further, it is preferable that the stimulator or the sensor and the control device are connected by a harness, and the cover is formed with another through hole through which the harness can be passed.
According to the above configuration, since the harness is formed with another through hole through which the harness can be passed through the cover, the harness can be passed through the inside and outside of the cover. Can be enhanced.

Further, it is preferable that the support column for supporting the seat portion from below is provided, and the other through-hole is formed at a position deviated from the position facing the support column.
According to the above configuration, it is possible to prevent the support column from becoming an obstacle when assembling the harness through the other through hole of the cover.

Further, a support column for supporting the seat portion from below may be provided, and the other through hole may be formed on a surface facing the support column.
According to the above configuration, since another through hole is formed on the surface of the cover facing the support column side away from the leg of the seated person, it is possible to prevent the harness from coming off by touching the leg of the seated person. can.

Further, the cover includes an operation switch unit for switching the operating state of the awakening device, an operation display unit for displaying the operating state of the awakening device, and the remaining amount of a battery for supplying power to the stimulating device and the control device. It is preferable that at least one of the indicated battery status indicators is attached.
According to the above configuration, since at least one of the operation switch unit, the operation display unit, and the battery status display unit is attached to the cover, the operating state of the awakening device can be changed with the cover attached. Also, the operating state can be confirmed.

Further, it is preferable that at least one of the operation switch unit, the operation display unit, and the battery status display unit is attached to the upper part of the cover attached to the backrest.
According to the above configuration, at least one of the operation switch unit, the operation display unit, and the battery status display unit is attached to the upper part of the cover attached to the backrest, so that the person can be awakened even when standing in front of the chair. The operating state of the device can be changed and the operating state can be confirmed.

Further, it is preferable that at least one of the operation switch unit, the operation display unit, and the battery status display unit is attached to the side portion of the cover attached to the seat portion.
According to the above configuration, at least one of the operation switch unit, the operation display unit, and the battery status display unit is attached to the side portion of the cover attached to the seat portion, so that the leg of the seated person is attached to the cover side portion. Is not located, so that the operation switch unit can be operated and the operation display unit or the battery status display unit can be easily visually recognized.

According to the present invention, it is possible to prevent the chair provided with the awakening device from becoming hot due to the heat generating device and to avoid causing discomfort to the seated person.
Further, according to the present invention, the heat exhaust property from the inside of the cover to the outside of the cover can be enhanced.
In addition, it is possible to avoid causing discomfort to the seated person by exposing the legs of the seated person to the exhaust wind.
Further, according to the present invention, the size of the cover covering the battery and the control device can be made compact.
Further, according to the present invention, the maintainability of the battery or the control device can be improved.
Further, according to the present invention, it is possible to suppress the overhang of the cover in the vertical direction or the front-rear direction.
Further, according to the present invention, the space below the plate member and in front of the lower frame portion can be effectively used as a space for arranging the battery and the control device.
Further, according to the present invention, the battery can be taken in and out with the cover attached to the main body.
Further, according to the present invention, it is possible to prevent the support column from becoming an obstacle when the battery is taken in and out.
Further, according to the present invention, the battery can be easily charged by inserting the charging cable into the charging jack with the cover attached to the main body.
Further, according to the present invention, it is possible to prevent the support column from becoming an obstacle when charging the battery.
Further, according to the present invention, it is possible to prevent the charging cable from getting in the way of a seated person or the like.
Further, according to the present invention, the degree of freedom in arranging the stimulator, the sensor and the control device can be increased.
Further, according to the present invention, it is possible to prevent the support column from becoming an obstacle when assembling the harness through the through hole of the cover.
Further, according to the present invention, it is possible to prevent the harness from coming off by touching the leg of the seated person.
Further, according to the present invention, the operating state of the awakening device can be changed and the operating state can be confirmed with the cover attached.
Further, according to the present invention, the operating state of the awakening device can be changed and the operating state can be confirmed even while standing in front of the chair.
Further, according to the present invention, it is possible to prevent the harness from coming off.
Further, according to the present invention, it becomes easy to operate the operation switch unit and visually recognize the operation display unit or the battery status display unit.

It is an external view of the chair with a leg which concerns on embodiment of this invention. It is a lower perspective view which shows the lower surface of the cushion pan to which a holding cover and a seat cover are attached. It is a schematic cross-sectional view which shows the III-III cross section of FIG. It is a top view which shows the resin plate. It is an exploded perspective view of a control device, a battery, a holding cover, etc. attached to a chair with legs. It is a perspective view which shows the holding cover in the state which held the control device and a battery. It is a schematic front view which shows the state which the holding cover which holds a control device and a battery is attached to the lower surface of a cushion pan. It is a schematic front view which shows the state which attached the seat cover to the lower surface of a resin plate. It is a schematic front view which shows the state which the control device holding cover and the battery holding cover are attached to the lower surface of the resin plate. It is an upper perspective view which shows the upper part of a seat cover. It is a schematic side view which shows the seat cover from the side. It is a schematic cross-sectional view which shows the III-III cross section of FIG. 1 which shows the seat cover which concerns on a modification.

The present invention relates to a chair, and more particularly to a chair provided with an awakening device (sleep prevention device).
It should be noted that the embodiments described below are merely examples for facilitating the understanding of the present invention, and do not limit the present invention. That is, the shapes, dimensions, arrangements, and the like of the members described below can be changed and improved without departing from the gist of the present invention, and it goes without saying that the present invention includes equivalents thereof.
Hereinafter, reference is made to the drawings of the legged chair S according to the embodiment of the present invention, the ECU 7 provided in the legged chair S, the battery 8, the holding cover 71 for holding the legs, and the seat cover 51 for covering them. I will explain while.
In the following, the front-rear direction shall indicate the front-rear direction of the chair, and the left-right direction shall indicate the left-right direction of the chair, and may also be referred to as the width direction of the chair.

<About the overall configuration>
First, the main configuration of the chair S with legs will be described with reference to FIGS. 1 to 4. Here, FIG. 1 is an external view of the chair S with legs according to the embodiment of the present invention, and FIG. 2 is a lower perspective view showing the lower surface of the cushion pan F21 to which the holding cover 71 and the seat cover 51 are attached. 3 is a schematic cross-sectional view showing the III-III cross section of FIG. 1, and FIG. 4 is a plan view showing the resin plate F21d.
The chair S with legs mainly includes a leg member F3, a cushion pan F21 attached to the leg member F3 to support the buttocks of the seated person, a back pan F22 which is a backrest portion connected to the cushion pan F21, and awakening. It is composed of a device U.

The leg member F3 is composed of a foot portion F31 branched into four and a support cylinder F30 continuously formed on the foot portion F31, and is mainly formed of a resin material.
A caster F31a is attached to each of the four branched tips of the foot F31.
Further, although the foot portion F31 has a configuration of branching into four in the present embodiment, it may have a configuration of branching into three or more, and further, the caster F31a may not be provided.

The strut cylinder F30 is fixed to the center of the foot portion F31 and extends upward. A strut F21a, which will be described later, is passed through the strut cylinder F30 and fixed.

The cushion pan F21 corresponds to the seat portion according to the present invention, and as shown in FIG. 2, a metal seat portion frame 74, a resin plate F21d attached to the upper portion of the seat portion frame 74, and a resin. It is composed of a pad portion F21e with a skin attached to the upper part of the plate F21d.

The seat frame 74 is located above the lower frame portion F21b extending in the seat width direction and the lower frame portion F21b, and intersects the lower frame portion F21b so as to form a cross with the upper frame extending. It is composed of a part F21c and a part F21c.

The lower frame portion F21b extends in the seat width direction on the rear side of the cushion pan F21, and a through hole F21f is formed in the center of the lower frame portion F21b through which the support column F21a passes.

The upper frame portion F21c extends in the front-rear direction of the chair at the center in the width direction of the chair and is joined to the lower frame portion F21b by welding. At the center of the upper frame portion F21c, a pipe-shaped support column F21a extending perpendicular to the periphery is joined by welding or the like.
Two through holes F21h for passing the tapping screw N1 (see FIG. 5) are formed in the front and rear portions of the upper frame portion F21c so as not to overlap the lower frame portion F21b.
Specifically, the through hole F21h is for passing a tapping screw N1 for attaching the upper frame portion F21c, the lower frame portion F21b integrally joined, and the holding cover 71 described later to the resin plate F21d. ..

The resin plate F21d shown in FIG. 4 corresponds to the plate member and the main body according to the present invention, and has a plurality of holes F21j formed in the vertical direction in order to dissipate heat transmitted from the buttocks of the seated person. The punching hole F21j has a heat radiating function and also has a function of inserting the harness 11 described later into the upper and lower parts of the resin plate F21d.
Two fans 50 are attached to the lower surface of the resin plate F21d in front of the seat frame 74.
The fan 50 attached in this way has a function of air-cooling the ECU 7 and the battery 8 held by the holding cover 71 attached to the seat frame 74, which will be described later.

The pad portion F21e with a skin is composed of a pad portion F21o made of a cushion material such as urethane and a skin 44 that covers the pad portion F21o, and a breathing sensor 9 described later is arranged between the skin 44 and the pad portion F21o. Has been done.
As shown in FIG. 3, the pad portion F21o is formed with a guide hole F21k that guides the harness 11 to the ECU 7 described later.
The guide hole F21k is formed so as to extend diagonally forward and downward from the front of the breathing sensor 9 provided on the upper surface of the pad portion F21o to the vicinity of the ECU 7.

The back pan F22 is connected to the rear portion of the cushion pan F21, and is formed so as to extend substantially vertically upward from the cushion pan F21.
The back pan F22 is composed of a resin plate F22d, a pad portion F22e with a skin attached to the front side of the resin plate F22d, and a backrest cover 55 attached to the rear side of the resin plate F22d.

The resin plate F22d corresponds to the plate member and the main body according to the present invention, and a vibration device 35 is attached to the center of the back surface of the resin plate F22d as shown in FIG. The vibration device 35 is a component of the awakening device U, which will be described in detail later, and adds a vibration stimulus to the seated person in response to a control signal of the ECU 7.

Like the pad portion F21e with a skin, the pad portion F22e with a skin is composed of a pad portion (not shown) made of a cushion material such as urethane and a skin (not shown) that covers the pad portion.

The backrest cover 55 covers the resin plate F22d and the vibrating device 35 from the back surface, and an operation switch U5, an operation display unit U6, and a charge status display unit U7, which will be described later, are attached to the upper surface thereof.
The operation switch U5, the operation display unit U6, and the charge status display unit U7 are connected to the ECU 7 by the harness U8.

<About awakening equipment>
Next, the awakening device U will be described.
The awakening device U according to the present embodiment is mainly composed of an ECU 7, a battery 8, a respiration sensor 9, and a vibration device 35.

The vibration device 35 is a device including a so-called "vibration motor" made of a known unbalanced mass motor.

The ECU 7 is a central function that comprehensively executes electrical control, and in this example, has a function of driving and controlling the vibration device 35 based on a potential difference signal converted into a digital signal indicating a breathing interval.
The ECU 7 according to the present embodiment is a general-purpose ECU in terms of hardware, which is configured to include a CPU, ROM, RAM, and the like for arithmetic and control.
A connector 70 is attached to the ECU 7, and a harness 11 connected to the respiration sensor 9 shown in FIG. 3 and an operation switch U5, an operation display unit U6, and a charging status display unit U7, which will be described later, are attached to the connection port 70a of the connector 70. The harness U8 shown in FIG. 1, the harness U8 shown in FIG. 1, the harness (not shown) connected to the vibrating device 35, and the cable (not shown) connected to the battery 8 are connected. Note that FIG. 3 and FIG. 12 described later are views in which the harness U8 is omitted.

The signal input from the breathing sensor 9 to the ECU 7 via the harness 11 is a potential difference signal converted into a digital signal by the signal processing circuit, and the output is the electric power for driving the vibration device 35. be.
The RAM temporarily stores parameters including signals under arithmetic control and input / output signals, and functions as a storage unit for storing potential difference signals and other signals converted into digital signals.

The ROM stores a program executed by the CPU and parameters of a predetermined value. For example, a reference value setting unit for setting a predetermined reference value, a determination unit for determining an awakening state based on the reference value, and a vibration device 35. The drive unit and the like that drive the above are recorded as a program.
This drive unit has a function of driving the vibration device 35 by supplying electric power in response to an instruction from the CPU.
The instruction signal of the CPU is formed by calculating the signal from the respiration sensor 9.
That is, the signal transmitted from the respiration sensor 9 is configured to determine the awake state of the seated person, and when it is determined that the seated person is not in the awake state, a signal for driving the vibration device 35 is transmitted from the CPU. There is. As for the configuration, a known configuration may be used, and a heartbeat sensor may be used instead of the respiration sensor 9.

As shown in FIG. 3, the ECU 7 constituting the awakening device U is attached to the lower surface side of the cushion pan F21 by the holding cover 71, and the vibrating device 35 is a seater of the back pan F22 as shown in FIG. It is installed near the center of the side-facing surface.

The battery 8 has a function of supplying electric power to the ECU 7 and the vibrating device 35, and is formed in a plate shape in the present embodiment. The battery 8 is mounted so as to be stacked below the control device U1 described later, and a charging jack 80a is formed on the front surface thereof. The battery 8 is charged from a household power source by connecting a charging cable (not shown) from the charging jack 80a. Then, the battery 8 can be diverted from a battery used for charging a smartphone or the like.
The battery 8 is not limited to the power supply type, and may be a removable type.

<About the holding cover that holds the ECU and battery>
Next, in addition to FIGS. 1 to 4, the holding cover 71 for holding the ECU 7 and the battery 8 will be described with reference to FIGS. 5 to 7.
Here, FIG. 5 is an exploded perspective view of the control device U1, the battery 8 and the holding cover 71 attached to the chair S with legs, and FIG. 6 shows the holding cover 71 in a state where the control device U1 and the battery 8 are held. FIG. 7 is a schematic front view showing a state in which the holding cover 71 for holding the control device U1 and the battery 8 is attached to the lower surface of the cushion pan F21.

In the present embodiment, the ECU 7 is covered and supported by the base member 72 and the cover member 73, and is further held by the holding cover 71 together with the battery 8 and attached to the upper frame portion F21c. The unit in which the ECU 7, the base member 72, and the cover member 73 are combined is also referred to as a control device U1.

As shown in FIG. 5, the base member 72 and the cover member 73 are fastened with the fixing screw N2 in a state where the ECU 7 is retracted, laminated on the battery 8, and held in the accommodating groove 71a.
The holding cover 71 corresponds to one of the covers according to the present invention, has a housing recessed groove 71a having an open upper portion and a substantially U-shaped vertical cross section, and is made of a resin material. As shown in FIG. 6, the holding cover 71 holds the battery 8 and the control device U1 in the accommodating groove 71a.

Further, the holding cover 71 has an opening 71i on the front side, and is formed so that the connection port 70a of the connector 70 of the ECU 7 held in the accommodating recessed groove 71a and the battery 8 are exposed by the opening 71i. ..
By forming the opening 71i in the holding cover 71 in this way, it is possible to electrically connect each device while the holding cover 71 holds the ECU 7 and the battery 8.
The holding cover 71 is attached to the upper frame portion F21c so that the opening 71i faces forward, so that the seated person can insert / remove the harness 11, the charging cable (not shown), and the like to the rear of the holding cover 71. It can be performed while sitting on the chair S with legs without the support cylinder F30 in the above getting in the way.

In particular, when the battery 8 is removable and replaceable, the opening 71i also functions as an inlet / outlet for the battery 8.
On the other hand, when the battery 8 is rechargeable, the opening 71i functions as a through hole for a charging cable (not shown) inserted into the charging jack 80a by exposing the charging jack 80a of the battery 8. ..
Similarly, by exposing the connection port 70a of the connector 70, the opening 71i functions as a through port for the harness 11 inserted into the connection port 70a or the harness U8 described later.

In addition, in order to make the opening 71i function as an inlet / outlet of the battery 8, a charging cable (not shown), or a through port of the harness 11 or the harness U8, the opening 71i is oriented so as not to face the support column F21a which is an obstacle to the insertion / removal of the battery 8. It suffices if the holding cover 71 is attached. That is, the holding cover 71 may be attached so that the opening 71i faces not only the front but also the side and the rear as long as the opening 71i does not face the support column F21a.

Further, on the inner walls on both sides of the holding cover 71 in the width direction of the chair, a plurality of L-shaped ribs 71d having a lower portion formed long in the width direction of the chair are formed side by side in the front-rear direction of the chair. A base member 72, which will be described later, is placed on the rib 71d. The lower portions of the pair of ribs 71d in the width direction of the chair are formed at intervals longer than the length of the battery 8 so that the battery 8 can be accommodated in the width direction of the chair, and are formed from the thickness in the vertical direction of the battery 8. Is also formed at a high height.
Further, the rib 71e at the front of the holding cover 71 in the front-rear direction of the chair is formed so that the upper portion of the holding cover 71 protrudes in the width direction of the chair more than the other ribs 71d. More specifically, the length between the pair of ribs 71e on both sides in the width direction of the chair is set shorter than the length in the width direction of the chair in the cover member 73 described later.
Therefore, the cover member 73 that covers the ECU 7 and is held by the holding cover 71 is restricted from moving forward by the rib 71e.

A rectangular slit 71h extending vertically is formed between the ribs 71d provided on the side surface of the holding cover 71 and adjacent to each other in the front-rear direction. Slits 71h are also formed on the rear surface of the holding cover 71 at similar intervals.
By forming the slit 71h in this way, air can flow between the inside and the outside of the holding cover 71, and the heat dissipation of the ECU 7 and the battery 8 held by the holding cover 71 can be improved.
In particular, the slit 71h formed on the rear surface of the holding cover 71 causes the wind sent from the fan 50 in front of the holding cover 71 to flow backward, so that the heat dissipation is improved.
A part of the slit 71h may function as a charging cable (not shown) or a through port of the harness 11 or the harness U8 instead of the opening 71i.

The base member 72 and the cover member 73 are frames having a substantially U-shaped vertical cross section.
Specifically, the base member 72 has a substantially U-shaped cross section and extends in the front-rear direction longer than the length in the width direction. A plurality of punch holes 72a are formed on the side surface of the base member 72, and by allowing air to flow, the heat dissipation of the ECU 7 supported inside is enhanced.
On the other hand, the cover member 73 has a substantially U-shaped cross section, and extends in the width direction longer than the length in the front-rear direction.
In particular, a rectangular notch is formed on the front surface of the cover member 73 in order to expose the connector 70 of the ECU 7 and connect the ECU 7 to the respiration sensor 9 or the vibration device 35 by the connector 70.
By superimposing these on the top and bottom, a storage space for the ECU 7 is formed inside.
Then, the base member 72 and the cover member 73 are fastened by the fixing screw N2 in a state where the ECU 7 is stored, laminated on the battery 8, and held in the accommodating recess 71a.

By placing the base member 72 on the ribs 71d arranged at intervals in the front-rear direction, the heated air generated from the ECU 7 is transferred between the ribs 71d through the punch holes 72a of the base member 72. Will pass through. Therefore, the heat dissipation of the ECU 7 can be improved.
Further, since the lower portion of the rib 71d is formed at a height higher than the thickness of the battery 8 in the vertical direction, the holding cover 71 arranged on the rib 71d and the battery 8 can be separated from each other.
By arranging the holding cover 71 and the battery 8 apart from each other in this way, it is possible to prevent heat from being directly transferred between the holding cover 71 and suppress the temperature rise between the two.

The control device U1 is housed together with the battery 8 in the accommodating groove 71a of the holding cover 71. In this state, the holding cover 71 is fastened to the cushion pan F21 by the tapping screw N1.

In particular, the holding cover 71 is attached to the upper frame portion F21c which is in front of the lower frame portion F21b and is below the resin plate F21d, and the space in front of the lower frame portion F21b is effectively utilized. .. By attaching the holding cover 71 in this way, it is possible to suppress the downward protrusion of the resin plate F21d and to prevent the seating person's legs from being narrowed.

<About the seat cover that covers the resin plate>
In the above embodiment, the holding cover 71 has been described as a means for holding and protecting the control device U1 and the battery 8. In order to further enhance the protective ability and improve the aesthetic appearance, a seat cover 51 that covers the resin plate F21d may be attached together with the holding cover 71.

Next, the seat cover 51 that covers the resin plate F21d from the back surface will be described with reference to FIGS. 8 to 11 in addition to FIG.
Here, FIG. 8 is a schematic front view showing a state in which the seat cover 51 is attached to the lower surface of the resin plate F21d, and FIG. 9 shows the control device holding cover 77 and the battery holding cover 78 on the lower surface of the resin plate F21d. A schematic front view showing the attached state, FIG. 10 is an upper perspective view showing the upper part of the seat cover 51, and FIG. 11 is a schematic side view showing the seat cover 51 from the side surface.

The seat cover 51 is made of a resin material and has a bowl shape. The seat cover 51 has a slit 51a in the upper part of the front surface, an elongated hole 51c in the lower part of the front surface for exposing the battery 8, and an exhaust port 51b (see FIG. 3) in the rear surface.

The slits 51a are for introducing outside air into the seat cover 51 in order to air-cool the control device U1 and the battery 8, and are formed in two vertically extending in the width direction of the chair.
Then, as shown in FIG. 3, the fan 50 is arranged at a position facing the slit 51a, so that the intake of outside air is further promoted.

The opening 51c allows the battery 8 to be exposed so that the battery 8 can be taken in and out, or the charging cable (not shown) can be connected to the charging jack 80a in a state where the holding cover 71 is covered with the seat cover 51. be. The opening 51c penetrates in the front-rear direction and extends below the slit 51a in the width direction of the chair. The opening 51c also functions as an intake port for outside air together with the slit 51a.
Further, the slit 51a or the opening 51c may be made to function as a through port for a charging cable, a harness 11 or a harness U8 (not shown).
The seat cover 51 may be attached to the resin plate F21d so that the opening 51c does not face the support column F21a that hinders the insertion and removal of the battery 8. That is, the seat cover 51 may be attached so that the opening 51c faces not only the front but also the side and the rear as long as the opening 51c does not face the support column F21a.

The exhaust port 51b is for exhausting the air taken in from the slit 51a or the opening 51c to the outside of the seat cover 51.
In this way, the heat of the ECU 7 and the battery 8 can be dissipated by exhausting the heated air taken in from the slit 51a or the opening 51c through the ECU 7 or the battery 8 to the outside of the seat cover 51. It will be possible.

Further, in the holding cover 71 according to the above embodiment, the control device U1 and the battery 8 are held together at the top and bottom, but a cover that holds the control device U1 and the battery 8 separately may be adopted.
For example, as shown in FIG. 9, the control device holding cover 77 for holding the control device U1 and the battery holding cover 78 for holding the battery 8 may be attached side by side in the width direction of the chair.
By attaching the control device holding cover 77 and the battery holding cover 78 in this way, both covers below the resin plate F21d are more than the holding cover 71 that holds the control device U1 and the battery 8 on top of each other. It is possible to suppress the overhang of the. Along with this, the downward protrusion of the seat cover 53 that covers them can also be suppressed.

The seat cover 51 and the seat cover 53 are formed with recesses in portions facing the holding cover 71 or the control device holding cover 77 and the battery holding cover 78.
For example, as a recess in the seat cover 53, as shown in FIG. 10, a control device accommodating portion 53a is formed in a portion facing the control device holding cover 77, and a battery accommodating portion 53b is formed in a portion facing the battery holding cover 78. A plurality of ribs 53c are formed at other portions. The seat cover 53 is lightweight and has high rigidity because a plurality of ribs 53c are formed.

The control device accommodating unit 53a has a shape corresponding to the control device holding cover 77, and the battery accommodating unit 53b has a shape corresponding to the battery holding cover 78.
Specifically, when the lower surface of the control device holding cover 77 is lower than the lower surface of the battery holding cover 78 as in the present embodiment, the control device accommodating portion 53a is smaller than the battery accommodating portion 53b. It is deeply formed.
The control device accommodating portion 53a is formed so that the bottom surface of the control device accommodating portion 53a is located at a position slightly lower than the lower surface of the control device holding cover 77 when the seat cover 53 is attached to the resin plate F21d. Has been done.
Similarly, the battery accommodating portion 53b is formed so that the bottom surface of the battery accommodating portion 53b is located slightly lower than the lower surface of the battery holding cover 78 when the seat cover 53 is attached to the resin plate F21d. There is.

By forming the control device accommodating portion 53a and the battery accommodating portion 53b in this way, the resin plate is not hindered by the control device holding cover 77 and the battery holding cover 78 attached to the resin plate F21d. The seat cover 53 can be attached to the F21d.
In this case, since the control device accommodating portion 53a is formed deeper than the other portions, the amount of protrusion of the seat cover 53 downward can be minimized, and the control device accommodating portion 53a is located below the seat cover 53. The space for the seated person's legs can be widened.

Similar to the seat cover 53 having the control device accommodating portion 53a accommodating the control device holding cover 77 and the battery accommodating portion 53b accommodating the battery holding cover 78 and having ribs 53c, the seat cover 51 also has. It is possible to form recesses and ribs (not shown) that cover the holding cover 71.
In this case, it is preferable that the holding cover 71, in other words, the recess (not shown) is arranged at the center in the width direction of the chair. According to such a configuration, the weight in the width direction of the chair can be balanced.

Further, when the control device U1 or the battery 8 is attached to the back pan F22 side, the same configuration as the seat covers 51 and 53 described above can be applied to the backrest cover 55.

(About the display provided on the seat cover)
An operation switch U5, an operation display unit U6, and a charge status display unit U7 are attached to the side surface of the seat cover 51 shown in FIG.

The operation switch U5 is a push-button type operation switch for operating or stopping the awakening device U, and is fitted into a fitting hole (not shown) of the seat cover 51.

The operation display unit U6 is an indicator lamp indicating that the awakening device U is operating or stopped, and when it is operating normally, it displays blue, and although it is operating, some trouble has occurred. It is configured to display yellow when it is on and turn off when it is stopped.

The charge status display unit U7 is an indicator lamp that displays the charge status of the battery 8, displays blue when the battery 8 is sufficiently charged, and when the remaining charge is equal to or less than a predetermined value. Is configured to display red and turn off when the battery is depleted.
As shown in FIG. 11, the operation display unit U6 and the charge status display unit U7 are attached to the side surface of the seat cover 51, and are arranged at positions sandwiching the operation switch U5.

By attaching the operation switch U5 in this way, the seated person can operate the awakening function on / off while sitting, and the operability is improved.
Further, since the operation display unit U6 and the charge status display unit U7 are provided, the operation state of the awakening function and the charge state of the battery 8 can be confirmed, which facilitates use.

As shown in FIG. 1, the operation switch U5, the operation display unit U6, and the charge status display unit U7 may be fitted into a fitting hole (not shown) provided at the upper end of the backrest cover 55. It may be attached to both covers.

<Modification example>
Finally, with reference to FIG. 12, the seat cover 54 according to the modified example will be described.
Here, FIG. 12 is a schematic cross-sectional view showing a III-III cross section of FIG. 1 showing a seat cover 54 according to a modified example.

The seat cover 54 according to the modified example is formed and attached so as to cover only the front side of the support column F21a on the lower surface of the resin plate F21d.
A through hole 54a for exposing the charging jack 80a of the battery 8 shown in FIG. 5 is formed at a position facing the support column F21a on the rear surface of the seat cover 54.
The battery 8 is held by the holding cover 71 so that the charging jack 80a faces rearward facing the support column F21a, and the holding cover 71 is formed with a through port 75a rearward to expose the charging jack 80a. ing.

Further, a through hole F21n that communicates with the outside and the inside space is formed on the front side of the support column F21a facing the seat cover 54.
That is, in a state where the seat cover 54 covers the holding cover 71, the through hole 54a, the through port 75a, and the through hole F21n face each other, and the extension cable 66 is passed through the inside of the support column F21a. There is.

As shown in FIG. 1, a charging connector 65 is provided at the tip of the foot portion F31 above the caster F31a in the leg member F3.
The extension cable 66 is connected to the charging jack 80a and the charging connector 65.
With such a configuration, the battery 8 can be charged by inserting the charging cable into the charging connector 65 at the tip of the foot F31 near the floor, so that the charging cable does not interfere with those passing by. It will be easy to use.
Further, the seated person can easily see the tip of the foot F31 rather than the vicinity of the lower surface of the cushion pan F21, and can easily connect the charging cable (not shown) to the charging connector 65.

Similar to the through hole 75a for passing the extension cable 66, a harness 11 (not shown) connected to the harness 11 and the vibrating device 35 is attached to the seat cover 54 on the rear surface of the seat cover 54 facing the support column F21a. A through hole may be formed for passing to the rear of the.
As described above, since the through hole is formed at the position facing the support column F21a, it is possible to make it difficult for the seated person to touch the connection portion of the harness which is rarely touched except for maintenance.
Further, also in this modification, it is natural that the seat cover 54 is an arbitrary component.

In addition, in order to make the slit 51a or the opening 51c function as an inlet / outlet of the battery 8, a charging cable (not shown) or a through port of the harness 11 or the harness U8, the slit 51a or the opening is made in the support column F21a which is an obstacle to the insertion / removal of the battery 8. The seat covers 51, 53, 54 may be attached so that the holes 51c do not face each other. That is, the seat covers 51, 53, 54 are attached so that the slit 51a or the opening 51c faces not only the front but also the side or the rear unless the slit 51a or the opening 51c faces the support column F21a. May be done.

In the above embodiment, the fan 50 has been described as being attached to the lower surface of the resin plate F21d, but the present invention is not limited to this configuration as long as the ECU 7 or the battery 8 can be cooled.
For example, the fan 50 may be attached to the seat cover 51. Attaching the fan 50 to the seat cover 51 is effective when the fan 50 cannot be attached because the resin plate F21d is made of metal and tapping is difficult.
Further, a space for the holding cover 71 may be provided, and the fan 50 may be attached to the space. If the fan 50 is attached to the holding cover 71, it will be arranged near the ECU 7 connected to the fan 50, so that the wiring can be compactly organized.

F21 Cushion pan (seat)
F21a Strut F21b Lower frame part F21c Upper frame part F21d Resin plate (plate member, main body part)
F21e Pad with skin F21f Through hole F21h Through hole F21j Drill hole F21k Guide hole F21n Through hole F21o Pad part F22 Back pan (backrest)
F22d resin plate (plate member, main body)
F22e Pad with skin F3 Leg member F30 Strut cylinder F31 Foot F31a Caster N1 Tapping screw N2 Fixing screw S Chair with leg U Awakening device U1 Control device U5 Operation switch U6 Operation display U7 Charging status display U8 Harness 11 Harness 35 Vibration Device (stimulator)
44 Skin 50 Fan 51 Seat cover (cover)
51a Slit 51b Exhaust port (opening)
51c opening (opening, entrance / exit, through-hole)
53,54 Seat cover (cover)
53a Control device housing (recess, deepest recess)
53b Battery housing (recess)
53c Rib 54a Throughout 55 Backrest cover 65 Charging connector 66 Extension cable 7 ECU
70 Connector 70a Connection port 71 Holding cover (cover)
71a Accommodating groove (recess)
71d, 71e rib 71h slit (opening)
71i opening (entrance / exit, through-hole, other through-hole)
72 Base member 72a Punch hole 73 Cover member 74 Seat frame 75a Throughout (opening)
77 Control device holding cover 78 Battery holding cover 8 Battery 80a Charging jack 9 Respiratory sensor (sensor)

Claims (6)

With the seat
With the backrest
A chair including a sensor that detects a body signal of a seated person and a control device connected to the sensor.
A cover attached to the back surface side of the seat portion or the main body portion of the backrest and covering the control device is provided.
The control device is connected to a battery and
The control device and the battery are arranged so as to be overlapped with each other.
A plurality of ribs are formed on the inner surface of the cover.
A chair characterized in that the ribs are arranged so as to face each other on both sides of the control device and the battery. The chair according to claim 1, wherein the control device is arranged on the seated side of the battery. The chair according to claim 1 or 2, wherein the control device and the battery are arranged so that the connection port of the control device and the charging jack of the battery face in the same direction. According to any one of claims 1 to 3, the ribs facing each other are formed so as to have a portion having a wide distance between the ribs and a portion having a narrow distance between the ribs. The listed chair. The control device is arranged in a portion where the distance between the ribs is wide.
The chair according to claim 4 , wherein the battery is arranged in a portion where the distance between the ribs is narrow. The chair according to any one of claims 1 to 5 , wherein the cover has a shape in which the seated side is open.

Images