JP2013027480A - Heating chair - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a heating chair capable of providing comfortable sensation of warmth for a user.SOLUTION: The heating chair includes: a backrest 2; a seating surface 3 provided in front of the backrest 2, in which the user is seated; armrests 4 attached to the right-and-left sides of the seating surface 3; leg parts 5 provided under the seating surface 3; two leg rests 6 extending obliquely downward and forward from the seating surface 3; a footrest 7 provided for the leg rests 6; and sideboards 11 which are movable in a front-back direction with respect to the armrests 4. The heating chair is configured so that a back-surface heater 21, a seating-surface heater 22, knee-side heater 23 and a foot heater 25 are each provided for the backrest 2, the seating surface 3, the sideboards 11, and the footrest 7, respectively.

Description

  The present invention relates to a chair having a heating function.

  A heating chair having a backrest, a seat, seating detection means, control means, and a sheet-like member that can be stored and extended on the backrest. 2. Description of the Related Art A heating chair for automobiles is known in which a control means controls energization of an abdominal heater when a seat detecting means detects the presence or absence of a person on the seat (for example, Patent Document 1).

JP 2010-173339 A

  However, in the heating chair for automobiles shown in Patent Document 1, a user may feel cold in a part other than the abdomen during use, and if he / she feels cold in a part of the body, he / she can obtain thermal comfort. The problem of obstructing can occur.

  Then, this invention is made | formed in view of the said problem, and makes it a subject to provide the heating chair from which a user can obtain a thermal comfortable feeling.

  Means taken in order to solve the problems of the present invention include a backrest, a seat surface provided in front of the backrest, on which a user sits, a leg portion provided below the seat surface, and the seat surface. A heating chair provided with a footrest provided at the front, provided on the backrest, for heating the back of the user, and a knee surface heater for heating the user's knee side, provided on the side of the seat; The footrest is provided on the footrest and warms a user's feet, and includes a back heater, a knee surface heater, and a control device that controls the foot heater.

  In this case, the knee surface heater may be configured to warm the front surface of the user's knee.

  The knee surface heater may be provided on a third board that can move close to and away from the knee surface of the user.

  Further, it is preferable that an armrest is provided on a side surface, and the knee surface heater is configured to be movable and adjustable with respect to the armrest.

  In the heating chair of the present invention, when the user feels cold with the back heater, knee surface heater, and foot heater, it is effective to partially warm a plurality of parts such as the back surface, knee surface, and foot. It is possible to feel warmth, and it is possible to obtain a thermal comfort.

  In addition, the user's back, knee side, knee front, and feet, such as the user's warmth, can be warmed effectively by setting the temperature individually and warming them up. A feeling is obtained.

  In addition, by setting a temperature gradient by setting a plurality of set temperatures by the control device, for example, when setting a temperature gradient from a high temperature to a low temperature, if the temperature reaches a certain temperature, gradually decrease the temperature By allowing you to feel the warmth, you can feel a moderate warmth without getting too hot, and when you set the temperature gradient from low temperature to high temperature, you can feel the sense of gradually warming for a longer time , The thermal comfort lasts.

  In addition, if the knee surface heater is provided on the side board that can be moved close to and away from the knee surface of the user, the knee surface can be warmed even if the knee moves, and it can be an obstacle when standing or sitting. It is possible to adopt a configuration that does not.

  In addition, warmer comfort can be obtained by warming the butt of the seated person.

It is the figure which looked at the heating chair of this invention from the front. It is the figure which looked at the heating chair of this invention from the plane. It is the figure which looked at the heating chair of this invention from the side. It is a state transition diagram which shows a motion of the side board arm of the heating chair of this invention. It is the figure which looked at the heating chair of this invention from the front. It is the figure which looked at the 1st modification of the heating chair of this invention from the front. It is the figure which looked at the 2nd modification of the heating chair of this invention from the front. It is the figure which looked at the 3rd modification of the heating chair of this invention from the front.

  Hereinafter, a first embodiment of the present invention will be described in detail with reference to the drawings.

  FIG. 1 is an explanatory view of the heating chair 1 of the present invention as viewed from the front. The heating chair 1 includes a backrest 2, a seat surface 3 provided perpendicular to the backrest 2, two armrests 4 provided perpendicularly to the left and right side surfaces of the seat surface 3, and a seat surface (seat portion) on which a user sits. 4 leg portions 5 provided below 3, a leg rest 6 extending from the seat surface 3 obliquely downward and forward in an angle-adjustable manner, and a footrest 7 attached to the tip of the leg rest 6 in an angle-adjustable manner. Is provided. In addition, the armrest 4 has a concave section 40 having a square cross section opened forward, a sideboard 11 that moves in the front-rear direction with respect to the armrest 4, and a first that connects the sideboard 11 and the first arm 12 (see FIG. 2). Sideboard joint 14. Further, the backrest 2 has a back heater 21, the seat surface 3 has a seat surface heater 22, the side board 11 has a knee side heater 23 (knee surface heater), and the legrest 6 has a calf heater 24. The footrest 7 has a foot heater 25. It takes this form when the user sits and stands up.

  FIG. 2 is an explanatory view of the heating chair 1 of the present invention as viewed from above. The heating chair 1 is connected to the recess 40 of the armrest 4 so that the side board 11 can slide in the front-rear direction, and includes a first arm 12 and a second arm 13. The heating chair 1 also includes a first joint 14 that connects the side board 11 and the first arm 12 so as to be turnable in the left-right direction, and the first arm 12 and the second arm 13 in the left-right direction with respect to the seating surface. And a second joint 15 rotatably connected to the second joint 15.

  FIG. 3 is an explanatory view of the heating chair 1 of the present invention as viewed from the side. The heating chair 1 includes a footrest joint 8 that connects the legrest 6 and the footrest 7 so as to be rotatable in the vertical direction, and a legrest joint 9 that connects the legrest 6 and the seat surface 3 so as to be rotatable in the front-rear direction. Is provided. Further, the armrest 4 includes a control device 10 that controls the rear heater 21, the seat surface heater 22, the knee side heater 23, the calf heater 24, and the foot heater 25, for example, temperature setting.

  FIG. 4 is an explanatory view showing the movement of the first arm 12 and the second arm 13 on the left side of the heating chair 1 of the present invention. In (I) to (II), the second arm 13 slides forward from the recess 40. In (II) to (III), the first sideboard joint 14 further rotates the front side of the sideboard 11 to the right, and the second sideboard joint 15 rotates the front side of the first arm 12 to the left. It is the state made to do.

  FIG. 5 is an explanatory view of the heating chair when the first arm 12 and the second arm 13 of the present invention are in the state shown in FIG. The side board 11 slides forward from the recess of the armrest 4 with respect to FIG. 1, and the first side board joint 14 is located outside the front of the side board 11 with respect to the seat surface 3 (on the left side of the heating chair 1). The left side board 11 is rotated to the left side, and the right side board 11 toward the heating chair 1 is rotated to the right side). The side board 11 is movable with respect to the knee surface of the user and is adjustable in the width direction. Proximity and separation are possible. The second sideboard joint 15 is located on the front side of the first arm 12 with respect to the seat surface 3 (on the right side of the first arm 12 on the left side of the heating chair 1 and on the right side of the first arm 12 of the heating chair 1). It is the state rotated to the left side. This form is taken when the user uses the heating chair 1 of the present invention.

  The operation of the embodiment of the present invention will be described.

  When the user sits on the heating chair 1 or stands up, the side board 11 is rotated outward with respect to the seating surface 3 as shown in FIG. 1, and in the seated state, the side board 11 is moved as shown in FIG. Rotate inward with respect to the seating surface 3 and come into contact with the user's knee side.

  To change from the state of FIG. 1 to the state of FIG. 5, first, as shown in FIG. 4, the second arm 13 is projected forward from the recess 40 provided in the armrest 4. Next, the first side of the first arm 12 is rotated inward with respect to the seat surface 3 by the second side board joint 15. Further, the first sideboard joint 14 rotates the sideboard 11 so that the front of the sideboard 11 is rotated outward with respect to the seat surface 3.

  Conversely, to change from the state of FIG. 5 to the state of FIG. 1, first, the sideboard 11 is rotated inward with respect to the seat surface 3 by the first sideboard joint 14. Next, the first side of the first arm 12 is rotated outwardly with respect to the seat surface 3 by the second side board joint 15. Furthermore, it is possible to store the second arm 13 in the recess 40 provided in the armrest 4 toward the rear.

In order to change the temperature setting of the back heater 21, the seat surface heater 22, the knee side heater 23, the calf heater 24, and the foot heater 25, the user operates the control device 10 provided on the armrest 4 to change the set temperature. . The control device 10 can individually control the temperatures of the back heater 21, the seat surface heater 22, the knee side heater 23, the calf heater 24, and the foot heater 25. For example, the back heater 21 and the seat heater 22 are set to higher temperatures. The knee side heater 23 can be set to a slightly lower temperature, and the calf heater 24 and the foot heater 25 can be controlled differently for different parts. Moreover, the control apparatus 10 can also perform control which makes low the setting temperature after the 2nd heating with respect to the setting temperature reached immediately after seating.

  Table 1 is a table showing the thermal sensation (subjective evaluation) of hands, feet and knees during heating. The thermal sensation of each part was investigated in a room with an air temperature of 18 ° C. and a humidity of 40%. The evaluation is a seven-step evaluation of “very hot, hot, warm, neither, slightly cold, cold, very cold”. From Table 1, it can be seen that when the back, buttocks, sides of the knee, and feet are warmed, there is no place where the user feels cold, and a thermal comfort is obtained.

  The effect of the embodiment of the present invention will be described.

  In the heating chair 1 of the present invention, when the user feels cold, the user's back, buttocks, knees, and feet are easily disturbed and the warmth is effectively increased when warmed. A warm and comfortable feeling can be obtained by individually setting the temperature of the felt area and heating it.

  In addition, by setting the temperature gradient by lowering the set temperature after the second warming with respect to the set temperature to be reached immediately after sitting, the temperature is gradually lowered when the first set temperature is reached. By allowing you to feel moderate warmth, you can feel moderate warmth without getting too hot, and the thermal comfort will last.

  Further, the knee side heater 23 is movable and can be stored in the heating chair 1, so that even if the user's knee moves, the arm supporting the side board 11 is connected to the knee with a spring or the like (not shown). By using it before and after the joint part, the user's knee can be brought close to or in contact with the user's knee, and the user's knee can be warmed, so that it does not get in the way when the user stands or sits.

  FIG. 6 is an explanatory view of the first modification of the heating chair 1 of the present invention as seen from the front.

  In the first embodiment, as shown in FIG. 1, the knee side heater 23 provided on the side board 11 using the first arm 12 and the second arm 13 is in contact with the knee side of the user. In the 1st modification of the heating chair 1 of invention, as shown in FIG. 6, the side board 11a may curve and the knee side surface heater 23a may contact a user's knee side surface.

  FIG. 7 is an explanatory view of the second modification of the heating chair 1 of the present invention as seen from the front.

  In the first embodiment, as shown in FIG. 1, the knee side heater 23 provided on the side board 11 using the first arm 12 and the second arm 13 is in contact with the knee side of the user. In the 2nd modification of the heating chair 1 of invention, as shown in FIG. 7, the knee side heater 23b provided inside the armrest 4b may contact a user's knee side.

  FIG. 8 is an explanatory view of the third modification of the heating chair 1 of the present invention as seen from the front.

  In the first embodiment, as shown in FIG. 1, the knee side heater 23 provided on the side board 11 using the first arm 12 and the second arm 13 is in contact with the knee side of the user. In the third modification of the heating chair 1 of the invention, as shown in FIG. 8, the side board 11c is connected to the knee plane of the user using the hook-and-loop fastener 30, and the knee side heater 23c is in contact with the user's knee. good.

  In addition, this invention is not limited to the said embodiment, You may change into the aspect shown below.

In the first embodiment and the modification, the knee side surface is warmed, but the knee front surface may be warmed in addition to the knee side surface.

In the first embodiment and the modified example, the knee, the knee side heater 23, the calf and the calf heater 24 are more sensitive to the human body than the back, the rear heater 21, the buttocks, the seat heater 22, the foot and the foot heater 25. When the pressing force on the heater surface is weak and the ratio of the contact surface between the human body and the heater surface is small, the knee side heater 23 and the calf heater 24 may be set to a higher temperature than the back heater 21, the seat surface heater 23, and the foot heater 25. .

In the first embodiment and the modified example, the temperature gradient is set by lowering the set temperature after the second heating with respect to the set temperature that is reached immediately after sitting, but it is reached immediately after sitting. The temperature gradient may be set by increasing the set temperature after the second heating with respect to the set temperature.

-Although it described as a chair in the 1st Example and the modification, you may use it for the seat of a motor vehicle or an airplane.

-In the first embodiment and the modified example, the temperature of the knee side surface heater and the foot heater is set lower than that of the back surface heater and the seat surface heater, but the temperature setting of each heater varies depending on the use application and the use environment. Also good.

In the first embodiment and the modification, a heater is used for the heating unit, but a heat storage agent or a catalyst may be used, or waste heat may be used.

DESCRIPTION OF SYMBOLS 1 Heating chair 2 Backrest 3 Seat part 4 Armrest 5 Leg part 6 Legrest 7 Footrest 21 Rear heater 22 Seat surface heater 23 Knee side surface heater (Knee surface heater)
24 Calf Heater 25 Foot Heater

Claims (4)

Backrest,
A seating surface provided in front of the backrest and seated by a user;
Legs provided below the seating surface;
A heating chair comprising a footrest provided in front of the seating surface,
A back heater provided on the backrest for heating the back of the user;
A knee surface heater that is provided on a side surface of the seat portion and warms a knee side surface of the user;
A foot heater that is provided on the footrest and warms the feet of the user;
A control device for controlling the back heater, the knee surface heater, and the foot heater;
With heating chair.   The heating chair according to claim 1, wherein the knee surface heater warms a front surface of a user's knee.   The heating chair according to claim 1 or 2, wherein the knee surface heater is provided on a side board that can be moved close to and away from the knee surface of the user.   The heating chair according to any one of claims 1 to 3, wherein an armrest is provided on a side surface, and the knee surface heater is movable and adjustable with respect to the armrest.

Images