JP2014008845A - Power generator and vehicular seat including the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a power generator generating power by utilizing the movement of an occupant in a vehicular seat.SOLUTION: A power generator 20 provided in a seat cushion S1 of a vehicular seat S includes a magnetic body 21, a spring member 22, and a power generating coil 23. In the power generator 20, the magnetic body 21 rotates in the vicinity of the power generating coil 23 via a transmission member 16 rotating on a hinge 17 as a rotary shaft to interlock with the movements of the thighs of an occupant to thereby generate electricity in the power generating coil 23 by electromagnetic induction. After the electricity generated from the power generating coil 23 is rectified by a rectifier 60 and is stored in a storage battery 25, the electricity is supplied to a load section 90. The power generator 20, the storage battery 25, the rectifier 60, a control section 70 and the load section 90 are provided in the vehicular seat S or on the vehicular seat S.

Description

  The present invention relates to a power generation device and a vehicle seat including the power generation device.

2. Description of the Related Art Conventionally, various power generation apparatuses that generate power using vibrations during vehicle travel or idling have been proposed.
For example, a power generation device described in Patent Document 1 is known as a power generation device that generates power using the vertical vibrations of a vehicle seat.
This vehicle seat power generation device is installed below the seat cushion, and converts vertical vibrations of the vehicle seat into a rotation direction to rotate the rotating shaft of the generator. A rotating weight that rotates simultaneously is attached to the rotating shaft of the generator, and a coil is wound around the rotating weight. The rotating weight passes through the coil and generates electricity by electromagnetic induction.

  Providing such a power generation device in the vehicle seat makes it possible to generate power using the vibration of the vehicle during travel. In addition, it is possible to improve power generation efficiency using electromagnetic induction. The generated electric power can be charged in a battery mounted on the vehicle.

JP 2011-196368 A

However, a power generation device such as that disclosed in Patent Document 1 aims to generate electric power by using vibrations of a vehicle during traveling and by vertical vibrations of a vehicle seat, and generates power by movement of an occupant using the vehicle seat. It was not supposed to be. Therefore, a power generation device that efficiently generates power using the movement of the occupant has been desired.
In addition, since this power generation device does not consider the arrangement of the battery to which the generated electricity is charged and the load portion in the vehicle to which the electricity is supplied, the arrangement relationship between the power generation device and the battery, the battery and the load portion Depending on the arrangement relationship, the entire power generation device may become large, and the loss of generated power may increase. Therefore, a vehicle seat equipped with a power generation device that can reduce the loss of generated power has been desired.

Furthermore, although this power generation device is installed under the seat cushion, the detailed arrangement under the seat cushion has not been taken into account, so depending on the arrangement of the power generation device, the cushion may be elastic when seated. There was a risk that it would be difficult to obtain a natural feel. Therefore, there has been a demand for a vehicle seat equipped with a power generation device that allows an occupant to sit with a natural feel like cushion elasticity.
And depending on the installation place of this electric power generating apparatus, there existed a possibility that it might become difficult to obtain the stable support of an electric power generating apparatus. Therefore, there has been a demand for a vehicle seat equipped with a power generation device that improves the mountability of the power generation device.
In addition, depending on the installation location of the power generator, there is a risk that it may be difficult to attach the submarine suppressing member that suppresses the submarine phenomenon at the time of the vehicle collision of the occupant. Therefore, a vehicle seat provided with a power generation device that can be attached to a position where the power generation device is different from the submarine suppressing member has been desired.

The present invention has been made in view of the above-described problems, and an object of the present invention is to provide a power generation device that efficiently generates power by using vibration of the vehicle and movement of an occupant during traveling, and a vehicle including the power generation device. It is to provide a sheet for use.
Another object of the present invention is to provide a power generation device and a vehicle seat equipped with the power generation device that can suppress an increase in the size of the entire power generation device and reduce loss of generated power.
Another object of the present invention is to provide a vehicle seat equipped with a power generation device that allows an occupant to get a natural feel such as cushion elasticity and obtain a stable support.
Another object of the present invention is to provide a vehicle seat equipped with a power generation device with improved attachment of the power generation device.
Another object of the present invention is to provide a vehicle seat equipped with a power generation device that can be attached to a position different from the submarine suppressing member.

  According to the power generator of claim 1, the problem is solved by the power generator provided in the vehicle seat, which is provided in the vehicle seat and generates power by electromagnetic induction by the movement of the occupant. .

Thus, since it is provided in the vehicle seat and generates power by electromagnetic induction by the movement of the occupant, the power generation device can efficiently generate power using the movement of the occupant.
Moreover, since it is provided inside the vehicle seat, an increase in the size of the vehicle seat can be suppressed.

At this time, as in claim 2, it is preferable that the vehicle seat includes a transmission member that transmits the movement of the occupant, and the transmission member is disposed between the occupant and the power generation device.
Thus, since the transmission member which transmits a passenger | crew's motion is arrange | positioned between a passenger | crew and a power generator, a power generator can transmit a passenger | crew's movement efficiently by a transmission member, and can generate electric power.
Moreover, since it is comprised in this way, the electric power generating apparatus should just be arrange | positioned with respect to a passenger | crew in the vehicle seat, and the freedom degree of arrangement | positioning becomes high.

At this time, as in claim 3, it is preferable that the transmission member is rotatable about a rotation axis in conjunction with the movement of the occupant.
Since it is comprised in this way, since a motion of a passenger | crew is transmitted by rotating a transmission member, a small motion of a passenger | crew is also transmitted and a power generator can generate electric power more efficiently. Further, since the transmission member rotates to transmit the movement of the occupant, for example, the entire power generation device including the transmission member can be made compact in the vertical direction as compared with the case where the transmission member moves up and down.

At this time, as in claim 4, a magnetic body fixed to the transmission member, a coil fixed to the vehicle seat side, and a spring member for urging the transmission member and the magnetic body toward the occupant side It is preferable that power is generated by electromagnetic induction by passing the magnetic body in the vicinity of the coil in conjunction with the movement of the occupant.
Thus, since the transmission member and the spring member that biases the magnetic body toward the occupant are provided, the transmission member and the magnetic body can be efficiently returned to the state before the movement of the occupant is transmitted. The occupant can be given a natural feel like the elasticity of the cushion.

At this time, as in claim 5, it is preferable that the transmission member includes a bent portion, and the magnetic body is fixed inside the bent portion of the transmission member.
Since it is comprised in this way, a magnetic body can be inserted and fixed in the space of the recessed part inside the bent part of a transmission member, and the whole electric power generating apparatus can be made compact.

In this case, it is preferable that the transmission member is attached to a region corresponding to the occupant's thighs as in the sixth aspect.
Since it is configured in this way, the power generation device can efficiently generate power in conjunction with the movement of the thigh when the occupant steps on the pedal during driving and the movement of the thigh when changing the sitting posture. .

At this time, it is preferable that the transmission member is disposed in a seat cushion including an elastic member that supports an occupant, and the transmission member is attached to a position different from the elastic member.
Thus, since the transmission member is attached to a position different from the elastic member, the transmission member and the elastic member do not interfere with each other, and the transmission member can be efficiently rotated in conjunction with the movement of the occupant. Can be seated with a stable support by the elastic member.

At this time, as in claim 8, the seat cushion includes a seat cushion frame having a plate-like pan frame at a front portion, and the rotation shaft of the transmission member is a front side end of the pan frame. It is preferable that it is attached so as to extend in the left-right direction along the side.
Since it is comprised in this way, the transmission member is continuously attached to the pan frame which supports a passenger | crew's thigh, and can transmit the movement of a passenger | crew's thigh efficiently.
In addition, since the rotation shaft of the transmission member extends in the horizontal direction along the front side edge of the pan frame, the arrangement relationship of the rotation shaft of the transmission member, the pan frame, and the transmission member is made compact. it can.

At this time, it is preferable that the seat cushion frame includes a rod-shaped submarine suppressing member below the pan frame, and the transmission member is attached to a position different from the submarine suppressing member. .
Thus, since the transmission member is attached at a position different from the submarine suppression member, the transmission member and the submarine suppression member do not interfere with each other, and the transmission member can be efficiently rotated in conjunction with the movement of the occupant. The submarine suppression member can suppress the submarine phenomenon at the time of a vehicle collision of an occupant.

At this time, as described in claim 10, it is preferable that power is provided by electromagnetic induction by a movement of the occupant's upper body side portion provided at a position for supporting the occupant's upper body side portion.
Since it is configured in this way, the power generation device can generate power by efficiently transmitting movements often performed during driving, such as a movement of twisting the upper body of an occupant and a movement of an arm.

At this time, as in claim 11, the vehicle seat includes a main portion that supports the upper body of the occupant, and a bank portion that is provided on both the left and right sides of the main portion and projects to the front side. It is preferable that the transmission member has a back and is attached to the inside of the bank portion.
As described above, since the transmission member is attached to the inside of the bank portion of the seat back, the transmission member can efficiently transmit the movement transmitted to the bank portion such as the movement of twisting the upper body of the occupant and the movement of the arm, and includes the seat back. An increase in the size of the entire vehicle seat can be suppressed.

At this time, as in claim 12, the seat back includes a seat back frame including side frames protruding to the front side at both right and left ends, and the transmission member is preferably attached to the side frame. is there.
Since it is comprised in this way, the electric power generating apparatus is attached to the position of a highly rigid side frame, and can obtain the stable support. Moreover, since the power generation device is attached inside the seat back, the entire vehicle seat including the seat back can be made compact.

At this time, as in claim 13, it is preferable that the transmission member is provided outside the side frame and protrudes to the front side of the side frame.
Since it is configured in this manner, the transmission member can capture movements often performed during driving, such as a movement of twisting an occupant's upper body or a movement of an arm, and the power generation apparatus can efficiently generate power.

At this time, as in a fourteenth aspect, a vehicular seat including the power generation device according to any one of the first to thirteenth aspects may be configured.
Since it is comprised in this way, the vehicle seat provided with the electric power generating apparatus which generates electric power efficiently using a passenger | crew's motion can be obtained.

According to the first aspect of the present invention, the power generation device is provided in the vehicle seat and generates electric power by electromagnetic induction according to the movement of the occupant. Therefore, the power generation apparatus can efficiently generate power using the movement of the occupant.
Moreover, since it is provided inside the vehicle seat, an increase in the size of the vehicle seat can be suppressed.

According to the invention of claim 2, since the transmission member that transmits the movement of the occupant is disposed between the occupant and the power generation device, the power generation device efficiently generates the power by transmitting the movement of the occupant by the transmission member. be able to.
Moreover, since it is comprised in this way, the electric power generating apparatus should just be arrange | positioned with respect to a passenger | crew in the vehicle seat, and the freedom degree of arrangement | positioning becomes high.

  According to the invention of claim 3, since the movement of the occupant is transmitted by rotating the transmission member, the small movement of the occupant is also transmitted, and the power generation apparatus can generate power more efficiently. Further, since the transmission member rotates to transmit the movement of the occupant, for example, the entire power generation device including the transmission member can be made compact in the vertical direction as compared with the case where the transmission member moves up and down.

  According to the invention of claim 4, since the transmission member and the magnetic member are provided with the spring member that urges the occupant side, the transmission member and the magnetic body are efficiently put into a state before the movement of the occupant is transmitted. It is possible to return and give the occupant a natural feel like the elasticity of the cushion.

  According to invention of Claim 5, a magnetic body can be inserted and fixed in the recessed space inside the bent part of a transmission member, and the whole electric power generating apparatus can be made compact.

  According to the invention of claim 6, the power generation device can efficiently generate power in conjunction with the movement of the thigh when the occupant steps on the pedal during driving or the movement of the thigh when changing the sitting posture. .

  According to the invention of claim 7, since the transmission member is attached at a position different from that of the elastic member, the transmission member and the elastic member do not interfere with each other, and the transmission member is efficiently linked to the movement of the occupant. In addition to being able to move, the occupant can sit with stable support by the elastic member.

According to the invention of claim 8, the transmission member is continuously attached to the pan frame that supports the occupant's lower leg, and can efficiently transmit the movement of the occupant's lower leg.
In addition, since the rotation shaft of the transmission member extends in the horizontal direction along the front side edge of the pan frame, the arrangement relationship of the rotation shaft of the transmission member, the pan frame, and the transmission member is made compact. it can.

  According to the ninth aspect of the present invention, since the transmission member is attached at a position different from the submarine suppressing member, the transmission member and the submarine suppressing member do not interfere with each other, and the transmission member is interlocked with the movement of the occupant. While being able to rotate well, the submarine phenomenon at the time of a vehicle collision of a passenger | crew can be suppressed by a submarine suppression member.

  According to the invention of claim 10, the power generation device can generate power by efficiently transmitting movements often performed during driving, such as a movement of twisting an occupant's upper body and a movement of an arm.

  According to the eleventh aspect of the present invention, since the seat back is attached to the inside of the bank portion, the movement transmitted to the bank portion such as the movement of twisting the upper body of the occupant and the movement of the arm can be efficiently transmitted, and the seat back The increase in the size of the entire vehicle seat including can be suppressed.

  According to the twelfth aspect of the present invention, the power generator is attached to the position of the highly rigid side frame to obtain a stable support. Moreover, since the power generation device is attached inside the seat back, the entire vehicle seat including the seat back can be made compact.

  According to the thirteenth aspect of the invention, the transmission member can capture movements often performed during driving, such as a movement of twisting the occupant's upper body and a movement of the arm, and the power generation apparatus can generate power efficiently.

  According to the invention of claim 14, it is possible to obtain a vehicle seat provided with a power generation device that efficiently generates electric power using the movement of an occupant.

It is a schematic perspective view of the vehicle seat provided with the electric power generating apparatus which concerns on this invention. It is the schematic which looked at the seat cushion of FIG. 1 which shows 1st Embodiment of this invention from the left side, and is explanatory drawing which shows the state which the passenger | crew sat down. It is the schematic which looked at the seat cushion of FIG. 1 which shows 2nd Embodiment of this invention from the left side, and is the explanatory view which shows the state which the passenger | crew sat down. It is the schematic which looked at the seat back of FIG. 1 which shows 3rd Embodiment of this invention from right above, and is explanatory drawing which shows the state which the passenger | crew sat down. It is a block diagram which shows control of the whole electric power generating apparatus which concerns on this invention. It is a flowchart which shows an example of control of the whole electric power generating apparatus which concerns on this invention. It is a flowchart which shows an example of control of the whole electric power generating apparatus which concerns on this invention.

  Embodiments of the present invention will be described below with reference to the drawings. In addition, the member, arrangement | positioning, etc. which are demonstrated below do not limit this invention, and can be variously changed in accordance with the meaning of this invention.

  FIG. 1 is a schematic perspective view of a vehicle seat provided with a power generator according to the present invention. FIG. 2 is a schematic explanatory view of the seat cushion of FIG. 1 showing the first embodiment of the present invention as viewed from the left side. FIG. 3 is a schematic explanatory view of the seat cushion of FIG. 1 showing the second embodiment of the present invention as viewed from the left side. FIG. 4 is a schematic explanatory view of the seat back of FIG. 1 showing the third embodiment of the present invention as viewed from directly above. FIG. 5 is a block diagram showing the control of the entire power generator according to the present invention. FIG. 6 is a flowchart illustrating an example of control of the entire power generation apparatus according to the present invention. FIG. 7 is a flowchart illustrating an example of control of the entire power generation apparatus according to the present invention.

The present embodiment is an invention relating to a vehicle seat provided with a power generation device.
As shown in FIG. 1, the vehicle seat S of the present embodiment includes a seat cushion S1, a seat back S2 disposed on the back side of the seat cushion S1, and a headrest S3 disposed on the upper surface side of the seat back S2. The seat belt device S4 is mainly configured.

The seat cushion S1 is configured such that a cushion pad 1a is placed on a seat cushion frame 10 serving as a skeleton, and is covered with a skin material 1b from above the cushion pad 1a to support an occupant from below.
Below the seat cushion frame 10, a height link device S5 for adjusting the height of the vehicle seat S is provided. The height link device S5 has a pair of front rotation arms 5a and a pair of rear rotation arms 5b in the left-right direction, and each front rotation arm 5a and each rear rotation arm 5b are round. It is connected by a connecting shaft 5c formed of a pipe. The front rotation arm 5a and the rear rotation arm 5b rotate about the connecting shaft 5c, thereby moving the vehicle seat S up and down with respect to the vehicle body floor.

  The seat cushion S1 of the present embodiment further includes a transmission member 16 that transmits the movement of the occupant's thigh to a position corresponding to the occupant's thigh in front of the seat cushion frame 10, and a power generation device that generates electric power by electromagnetic induction. 20 and a storage battery 25 for storing generated electricity on the left inner surface near the rear portion of the seat cushion frame 10.

The seat back S2 has a structure in which a cushion pad 2a is placed on a seat back frame 40 serving as a skeleton and is covered with an outer skin 2b to support the back of a passenger from behind.
The seat back S2 includes a main portion 2c that supports the upper body of the occupant, and a bank portion 2d that is provided on both the left and right sides of the main portion and protrudes to the front side.
The seat back S2 of the present embodiment is further provided on the side of the seat back frame 40, in the bank portion 2d, and a transmission member 46 that transmits the movement of the upper body side portion of the occupant, and the power generation device 50. A storage battery 55 is provided on the right inner surface near the lower portion of the seat back frame 40.
The headrest S3 is formed by providing a cushion pad 3a on a pillar 3c, which is a core material of the head, and covering with a skin 3b.

  The seat belt device S4 includes a belt 4a that restrains the occupant's upper body, a through anchor 4b that is provided on the right upper surface of the seat back S2, a tongue plate 4c that is attached to the front end of the belt 4a, and a left side surface of the seat cushion S1. And a buckle 4d fixed to the rear end portion.

  The seat cushion frame 10 is formed of a substantially rectangular frame, and as shown in FIG. 1, a pair of side frames 11 disposed at both left and right ends, and a plate-like shape laid on the upper surface in front of each side frame 11. A pan frame 12 as a frame, a member pipe 13 as a connecting member installed near the rear side end of each side frame 11, a spring 14 for connecting the pan frame 12 and the member pipe 13 in the front-rear direction, A submarine suppression pipe 15 is provided near the front side end of the side frame 11 and provided below the pan frame 12.

Each side frame 11 is made of a sheet metal member extending in the front-rear direction, and is separated in the left-right direction in a parallel state.
The pan frame 12 is made of a metal frame formed in a substantially rectangular shape whose upper surface is substantially flat so as to support the thigh of the occupant.
The pan frame 12 has a pair of bent portions 12a at the ends in the left-right direction. The pan frame 12 is fixed to the front side of each side frame 11 by the bent portions 12 a being hooked and fixedly joined to the upper surface in front of the side frames 11.

A plurality of springs 14 are arranged behind the pan frame 12 so as to extend substantially in parallel in the front-rear direction at a predetermined interval.
Each spring 14 is a support spring that is formed of a wavy linear member called an S spring or a zigzag spring and supports the cushion pad 1a from below. Each spring 14 is fixed between the side frames 11 by having a front end portion hung on the pan frame 12 and a rear end portion being hung on the member pipe 13 and fixedly joined.
The spring 14 corresponds to the elastic member in the claims.

  The submarine suppression pipe 15 is a pipe member extending in the left-right direction. As for the submarine suppression pipe 15, the center part 15a is located behind the pair of end parts 15b.

As shown in FIGS. 1 and 2, the transmission member 16 is composed of a bent plate body made of a known metal material, and extends in the left-right direction. The transmission member 16 connects a thigh support portion 16a having a substantially flat upper surface corresponding to the occupant's thigh, a front portion 16b corresponding to the shape of the front surface of the seat cushion, and a thigh support portion and an upper end portion of the front portion. And the connecting portion 16c.
An end portion on the back surface side of the transmission member 16 is attached to an end portion on the front surface side of the pan frame 12 over substantially the entire length in the left-right direction, and protrudes to the front side from the pan frame 12.
An end portion on the back side of the transmission member 16 and an end portion on the front side of the pan frame 12 are attached via a plurality of hinges 17 provided at a predetermined interval. Can be rotated as

The transmission member 16 is arranged in a state where the upper surface of the thigh support portion 16a, the front surface of the front portion 16b, and the upper surface of the connecting portion 16c are in contact with the cushion pad 1a.
Therefore, the transmission member 16 is configured to rotate about the hinge 17 as a rotation axis in conjunction with the movement of the occupant's thigh by transmitting the movement of the occupant's thigh up and down and right and left through the cushion pad 1a. ing.
A power generation device 20 is attached below the pan frame 12 and the transmission member 16.

The power generation device 20 includes a magnetic body 21 fixed to the transmission member 16, a spring member 22 fixed to the front of the pan frame 12, and a power generation coil 23 fixed to the front of the pan frame 12.
The magnetic body 21 is made of a known permanent magnet in which N poles and S poles are alternately magnetized, and has a shape curved in a substantially arc shape with the hinge 17 as an axis. A plurality of magnetic bodies 21 having a narrow width in the left-right direction are provided.
The upper surface of the upper end portion of each magnetic body 21 is fixed to the bottom surface near the approximate center of the thigh support portion 16a of the transmission member 16 with an adhesive or the like at a predetermined interval in the left-right direction.
The magnetic body 21 has a structure that rotates around the hinge 17 as a rotation axis in conjunction with the rotation of the transmission member 16.
The front end portion of the spring member 22 is fixed to the back surface of the lower end portion of the magnetic body 21 with an adhesive or the like.

The spring member 22 is formed of a known metal material spiral spring, and has a shape curved in a substantially arc shape with the hinge 17 as an axis. A plurality of spring members 22 having a narrow width in the left-right direction are provided.
The rear end portion of each spring member 22 is fixed to the bottom surface near the front end portion of the pan frame 12 with an adhesive or the like at a predetermined interval in the left-right direction. That is, each spring member 22 is sandwiched and fixed between the pan frame 12 and the transmission member 16.
Since each spring member 22 is arranged in a state compressed by the transmission member 16 and the magnetic body 21 toward the pan frame 12 with the hinge 17 as a rotation shaft, the transmission member 16 and the magnetic member 22 are directed toward the thigh side of the occupant. The body 21 is energized.

The power generation coil 23 is made of a known spiral linear conductor and extends in the front-rear direction. A plurality of power generation coils 23 are provided.
Each power generation coil 23 is fixed to the bottom surface near the front end of the pan frame 12 via the coil holding member 24 at a predetermined interval in the left-right direction.
That is, the same number of each power generation coil 23 and each magnetic body 21 are provided, and each power generation coil 23 and each magnetic body 21 are attached to face each other in the left-right direction.
Each power generation coil 23 and each magnetic body 21 are close to each other, and each magnetic body 21 has a structure in which the vicinity of each power generation coil 23 is rotated about the hinge 17 as a rotation axis.

The coil holding member 24 is formed of a known metal material, and includes a substantially rectangular flat plate mounting portion 24a that is welded and fixed to the pan frame 12, and a substantially U-shaped holding portion 24b that holds the power generating coil 23. Composed. A plurality of coil holding members 24 are provided and extend in the front-rear direction along the power generation coil 23.
A power generation coil 23 is sandwiched inside the holding portion 24b. The internal width of the holding portion 24b is narrower than the diameter of the power generation coil 23, and is formed so that the power generation coil 23 does not easily fall off. Further, when the power generation coil 23 is sandwiched, the width inside the holding portion 24b is elastically deformed and widened, so that the power generation coil 23 is easily received.
The coil holding member 24 may be formed from a known resin material.

The storage battery 25 is formed of a substantially rectangular parallelepiped battery pack including a plurality of columnar nickel-metal hydride secondary batteries, and is attached to an inner surface near the rear of the left side frame 11. Moreover, the storage battery 25 is arrange | positioned so that a longitudinal direction may turn into the front-back direction.
The storage battery 25 is not limited to a nickel hydride secondary battery, and may be any battery capable of storing and discharging, such as a nickel cadmium secondary battery, a lithium hydrogen secondary battery, or a lead storage battery.

A hook portion (not shown) is provided on the left side surface of the storage battery 25 and is detachably attached to a hook hole (not shown) provided on the inner side surface of the side frame 11.
The storage battery 25 may be fixed to the inner side surface of the side frame 11 by bolting or welding.

In the present embodiment, the storage battery 25 is attached to the inner surface near the rear portion of the left side frame 11, but is not limited to this, and the inner surface near the front portion of the left side frame 11 or the pan frame 12. It may be attached to the bottom surface. In addition, it should just be attached in the position different from the spring member 22 which receives a downward load from a passenger | crew.
Thus, if the storage battery 25 is accommodated inside the seat cushion S1, the entire vehicle seat S including the seat cushion S1 can be made compact.

In the power generation device 20 of the present embodiment, the magnetic body 21 rotates in the vicinity of the power generation coil 23 via the transmission member 16 that rotates about the hinge 17 as a rotation axis in conjunction with the movement of the thigh of the occupant. As a result, electricity is generated in the power generation coil 23 by electromagnetic induction. The electricity generated from the power generation coil 23 is rectified by a rectifier 60 (not shown) and stored in the storage battery 25, and then supplied to a buckle illumination unit 92 provided in a buckle 4e of a seat belt device S4 described later.
The power generation device 20, the storage battery 25, the rectifier 60, the control unit 70 described later, and the buckle illumination unit 92 are provided in the vehicle seat S or on the vehicle seat S. In the vehicle seat S or on the vehicle seat S includes everything attached to the vehicle seat S.

  Since the transmission member 16 is formed as a bent plate body along the outer shape of the seat cushion S1, an inner portion formed by the thigh support portion 16a, the front portion 16b, and the coupling portion 16c of the transmission member 16 is formed. The magnetic body 21 can be accommodated and fixed in the space, and the transmission member 16 and the magnetic body 21 can be arranged compactly.

  The transmission member 16 and the power generation device 20 are attached to the front of the pan frame 12 over substantially the entire length in the left-right direction, but are not limited to this, and may be attached only to the right half of the seat cushion S1. If it is attached to at least the right half of the seat cushion S1, it is possible to efficiently generate electric power corresponding to the movement of the lower leg when the occupant steps on the pedal during driving.

  The transmission member 16 and the power generation device 20 are attached to the front of the pan frame 12 over substantially the entire length in the left-right direction. Therefore, in the case of a manual vehicle, both the movement of the lower left thigh when the occupant presses the clutch pedal during driving and the movement of the lower right thigh when the brake pedal and accelerator pedal are pressed are efficiently handled. It can generate electricity.

  Since the transmission member 16 is provided below the cushion pad 1a and is formed as a bent plate body so as to correspond to the occupant's thigh, it is possible to ensure a feeling when the occupant is seated.

  Since the transmission member 16 is attached so as to be continuous from the end on the front side of the pan frame 12 to the front side, and the pan frame 12 is disposed within the range of the vertical width in which the transmission member rotates, the seat cushion It can suppress that the width | variety of the up-down direction of S1 enlarges too much.

  The transmission member 16 has a structure that rotates around the hinge 17 in conjunction with the movement of the occupant's thigh, and when the load is excessively applied by the movement of the thigh, the lower end of the front portion 16b. The portion is in contact with and supported by the submarine suppression pipe 15. Therefore, damage to the hinge 17 can be suppressed.

The transmission member 16 is attached to the front end portion of the pan frame 12 via a hinge 17 and is configured to rotate about the hinge 17 as a rotation axis. However, the present invention is not limited to this. good. For example, the transmission member 16 may be attached to the submarine suppression pipe 15 via a hinge (not shown) and rotate around the hinge.
Since the submarine suppression pipe 15 is connected to each side frame 11 and has high support rigidity,
The support rigidity of this hinge that fixes the transmission member 16 and the submarine suppression pipe 15 can also be improved.

Further, the transmission member 16 may be attached to the connection shaft 5c of the height link device S5 via a hinge (not shown) and rotate around the hinge as a rotation axis.
Since the connection shaft 5c is connected to the pair of front-side turning arms 5a and has high support rigidity, the support rigidity of the hinge that fixes the transmission member 16 and the connection shaft 5c can be improved.

The transmission member 16 has a structure that rotates around the hinge 17 as a rotation axis. However, a separate cushion pad or the like is disposed below the transmission member 16 to provide a lock mechanism that restricts the rotation of the transmission member 16. You may let them. The cushion pad can be arranged as necessary to restrict the rotation of the transmission member 16.
Moreover, you may provide the lock mechanism which a passenger | crew can operate. For example, a known lock member may be attached below the transmission member 16 so as to contact the bottom surface of the transmission member 16. This lock member is movable in the left-right direction. When releasing the rotation restriction of the transmission member 16, it is preferable to move it to the left and right outside so as not to contact the bottom surface of the transmission member 16.

  The transmission member 16 is formed of a plate body that is bent in the front-rear direction so as to correspond to the occupant's thigh, and the thigh support portion 16a is formed to protrude slightly upward from the pan frame 12, but the occupant Corresponding to different body shapes, the transmission member 16 may be provided with an arbitrary angle adjusting mechanism. In this way, the angle at which the thigh support portion 16a protrudes at an acute angle can be arbitrarily adjusted. Therefore, regardless of the body shape of the occupant, the movement of the thigh can be efficiently transmitted, and the power generator 20 Power generation can be improved.

  The opposing surfaces of the magnetic body 21 and the power generation coil 23 in the front-rear direction are arranged close to each other so as to be substantially parallel to each other. Therefore, the power generation device 20 can be made compact as a whole, and the power generation amount can be improved.

  Since the magnetic body 21 is always urged toward the thigh side of the occupant by the spring member 22 and the position of the magnetic body 21 is fixed, the distance between the magnetic body 21 and the power generation coil 23 is always stable. And charging efficiency can be increased.

  The spring member 22 is made of a known helical spring made of a metal material and has a structure for urging the transmission member 16 and the cushion pad 2a toward the occupant's thigh. Therefore, the occupant can obtain a stable support and can sit down using the repulsive force of the transmission member 16 and the cushion pad 2a urged by the spring member 22.

Next, a power generator 30 according to a second embodiment of the present invention will be described based on FIG.
The power generation device 30 is fixed to the front of the pan frame 12, the link rod 34 fixed to the transmission member 16, the magnetic body 31 fixed to the rear of the link rod 34, the spring member 32 fixed to the rear of the magnetic body 31. The power generation coil 33 may be configured.

The link rod 34 is formed from a known metal rod-like body. A plurality of link rods 34 having a narrow width in the left-right direction are provided. The link rod 34 may be formed from a known resin rod-like body.
The upper surface of the upper end portion of each link rod 34 is fixed to the bottom surface near the approximate center of the connecting portion 16c of the transmission member 16 with an adhesive or the like at a predetermined interval in the left-right direction. Further, the front end portion of the magnetic body 31 is fixed to the rear surface of the lower end portion of each link rod 34 with an adhesive or the like.
The upper end portion of each link rod 34 is structured to rotate about the hinge 17 as a rotation axis in conjunction with the rotation of the transmission member 16. Further, the lower end portion of each link rod 34 is structured to move substantially horizontally in the front-rear direction in conjunction with the movement of a magnetic body 31 described later.

The magnetic body 31 has a flat plate shape that is fixed substantially parallel to the pan frame 12 in the front-rear direction. A plurality of magnetic bodies 31 narrow in the left-right direction are provided.
The front surface of the front end portion of each magnetic body 31 is fixed to the bottom surface near the approximate center of the link rod 34 with an adhesive or the like at a predetermined interval in the left-right direction.
Each magnetic body 31 is structured to move substantially horizontally in the front-rear direction in conjunction with the movement of the transmission member 16 and the link rod 34.
The front end portion of the spring member 32 is fixed to the rear surface of the rear end portion of each magnetic body 31 with an adhesive or the like.

The spring member 32 is disposed substantially parallel to the pan frame 12 in the front-rear direction. A plurality of spring members 32 having a narrow width in the left-right direction are provided.
Each spring member 32 and each magnetic body 31 are fitted inside a magnetic body guide 35 having a U-shaped cross section.
The magnetic body guide 35 includes rear upper ends of an upper inner wall portion 35a fixed to the bottom surface of the pan frame 12 via a guide mounting member 36, a lower inner wall portion 35b, an upper inner wall portion 35a, and a lower inner wall portion 35b. It is comprised from the connection part 35c which connects a part. A plurality of magnetic body guides 35 are provided.
The rear end portion of each spring member 32 is fixed to the front surface of each connecting portion 35c with an adhesive or the like. That is, each spring member 22 is sandwiched and fixed between each magnetic body 31 and each connecting portion 35 c and is housed in the magnetic body guide 35.
Since each spring member 32 is arranged in a state compressed by each magnetic body 31 to each coupling portion 35c side, it has a structure that urges each magnetic body 31 toward the front side.
The guide attachment member 36 has a substantially rectangular cross section, is fixed to the magnetic body guide 35 and the pan frame 12 with an adhesive or the like, and is disposed so as to connect the magnetic body guide 35 and the pan frame 12.

The power generation coil 33 extends in the front-rear direction, and a plurality of power generation coils 33 are provided.
Each power generation coil 33 is fixed to the bottom surface near the front end of the pan frame 12 via the coil holding member 24 at a predetermined interval in the left-right direction.
That is, the same number of each power generation coil 33 and each magnetic body 31 are provided, and each power generation coil 33 and each magnetic body 31 are attached to face each other in the left-right direction.
Each power generation coil 33 and each magnetic body 31 are close to each other, and each magnetic body 31 has a structure that moves in the vicinity of each power generation coil 33 substantially horizontally in the front-rear direction.

In the power generation device 30 according to the second embodiment, in conjunction with the movement of the thigh of the occupant, the transmission member 16 that rotates about the hinge 17 as a rotation axis, and the movement of the transmission member 16 that rotates rotates substantially horizontally in the front-back direction. Electricity is generated in the power generation coil 33 by electromagnetic induction as the magnetic body 31 moves in the vicinity of the power generation coil 33 substantially horizontally in the front-rear direction via the link rod 34 linked to the moving motion. The generated electricity is rectified by a rectifier 60 (not shown) and stored in the storage battery 25, and then supplied to a buckle illumination unit 92 provided in a buckle 4e of a seat belt device S4 described later.
The power generation device 30, the storage battery 25, the rectifier 60, the control unit 70 described later, and the buckle illumination unit 92 are provided in the vehicle seat S or on the vehicle seat S.

  The magnetic body 31 is disposed so as to be substantially parallel to the pan frame 12 in the front-rear direction. Therefore, it can suppress that the width | variety of the up-down direction of seat cushion S1 enlarges too much.

Next, based on FIG.1 and FIG.4, the electric power generating apparatus 50 which concerns on 3rd Embodiment of this invention is demonstrated. The power generator 50 according to the third embodiment is provided in the seat back frame 40.
As shown in FIG. 1, the seatback frame 40 includes a hollow cylindrical pipe frame 41 formed in a substantially U-shape, and a pair of side frames 42 connected to the pipe frames 41 at both left and right ends. A hollow cylindrical connecting pipe 43 installed near the lower end of the inner side surface of each side frame 42, and a plate-like support member 44 made of a plate-like plate body installed on the inner side surface of each side frame 42. ing.

Each side frame 42 has a substantially L shape formed by bending a sheet metal member, extends in the vertical direction, and is separated in the horizontal direction in a state of being parallel to each other. Each side frame 42 is formed so as to gradually protrude in the front direction continuously from the upper side to the lower side.
The plate-like support member 44 is made of a synthetic resin such as polypropylene, and is configured to support the load while elastically deforming when receiving a rear load from an occupant.
The plate-like support member 44 is configured to be attached to the inside of each side frame 42 via the wire spring 45, and supports the occupant by bending in the front-rear direction while maintaining the surface state.

As shown in FIGS. 1 and 4, the transmission member 46 is composed of a pair of flat plate bodies made of a known metal material, and is provided inside the bank portion 2 d.
In the present embodiment, the transmission member 46 is formed of a plate body having a linear cross section, but is not limited thereto, and may be formed as a plate body having a bent portion.
Each transmission member 46 is outside the side surface of each side frame 42 and is fixed along the vertical direction. Each transmission member 46 protrudes from the side frame 42 to the front side, and is formed to have an acute angle slightly outside the front direction.
An end portion on the back side of each transmission member 46 and an outer side surface of each side frame 42 and a substantially central portion in the front-rear direction are attached via a plurality of hinges 47 provided at predetermined intervals. Each transmission member 46 is rotatable about each hinge 47 as a rotation axis.

Each transmission member 46 is arranged in a state where the upper body side surface of the occupant is in contact with the cushion pad 2a.
Therefore, the transmission member 46 has a structure in which the left and right movements of the occupant's upper body are transmitted via the cushion pad 2a, so that the hinge 47 rotates around the occupant's upper body in conjunction with the movement of the occupant's upper body. It has become.
A power generation device 50 is attached to the rear of each transmission member 46.

The power generation device 50 includes a magnetic body 51 fixed to each transmission member 46, a spring member 52 fixed to the rear of each side frame 42, and a power generation coil 53 fixed to the outer side surface of each side frame 42. ing.
The magnetic body 51 has a shape curved in a substantially arc shape with the hinge 47 as an axis.
The front surface of the front end portion of each magnetic body 51 is near the approximate center of the transmission member 46, and is fixed to the surface on the opposite side of the occupant with an adhesive or the like.
Each magnetic body 51 has a structure that rotates about each hinge 47 as a rotation axis in conjunction with the rotation of each transmission member 46.
On the rear surface of the rear end portion of each magnetic body 51, the outer end portion of each spring member 52 is fixed with an adhesive or the like.

The spring member 52 has a shape curved in a substantially arc shape with the hinge 47 as an axis.
The inner end portion of each spring member 52 is the rear end portion of each side frame 42 and is fixed to the approximate center in the left-right direction with an adhesive or the like. That is, each spring member 52 is sandwiched and fixed between each side frame 42 and the transmission member 46.
Each spring member 52 is arranged in a compressed state on each side frame 42 side by each transmission member 46 and each magnetic body 51 about each hinge 47 as a rotation axis. The transmission member 46 and each magnetic body 51 are biased.

The power generation coil 53 is arranged so as to be in a direction substantially parallel to the transmission member 46 in the left-right direction.
Each power generation coil 53 is fixed to the side frame 42 on the left and right outer sides through the coil holding members 54 and on the side surface near the rear end.
Each power generation coil 53 and each magnetic body 51 are close to each other, and each magnetic body 51 is configured to rotate in the vicinity of each power generation coil 53 with a hinge 47 as a rotation axis.

The coil holding member 54 is made of a known metal material, and has a substantially rectangular flat plate-like fixing portion 54 a that is fixed to each side frame 42 by welding, and a substantially U-shaped holding portion 54 b that holds the power generation coil 53. Consists of
The holding portion 54b is formed so as to sandwich the power generation coil 53 inside a substantially U-shape.
The coil holding member 54 may be formed from a known resin material.

  The storage battery 55 is detachably attached to the inner side surface near the lower part of the right side frame 42. Moreover, the storage battery 55 is arrange | positioned so that a longitudinal direction may become an up-down direction.

In the present embodiment, the storage battery 55 is attached to the inner side surface near the lower portion of the right side frame 42, but is not limited to this, and a position different from the plate-like support member 44 that receives a rear load from the occupant. It only has to be attached to.
In this way, an occupant can sit comfortably, and the storage battery 55 is accommodated inside the seat back S2, and the entire vehicle seat S including the seat back S2 can be made compact.

In the power generation device 50 according to the third embodiment, the magnetic body 51 rotates in the vicinity of the power generation coil 53 via the transmission member 46 that rotates about the hinge 47 as a rotation axis in conjunction with the movement of the occupant's upper body. As a result, electricity is generated in the power generation coil 53 by electromagnetic induction. The electricity generated from the power generation coil 53 is rectified by a rectifier 60 (not shown) and stored in the storage battery 55, and then supplied to an anchor illumination unit 91 provided on a through anchor 4b of a seat belt device S4 described later.
The power generation device 50, the storage battery 55, the rectifier 60, the control unit 70 described later, and the anchor illumination unit 91 are provided in the vehicle seat S or on the vehicle seat S.

  Each transmission member 46 is attached to the outside of the side surface of each side frame 42 via a hinge 47, but is not limited thereto, and may be attached to the front surface of each side frame 42 via a hinge. With such a structure, each side frame 42 does not interfere with each transmission member 46 and the occupant's upper body, so that each transmission member 46 is more susceptible to the movement of the occupant's upper body. Become. Further, a side airbag (not shown) is usually attached to the outer side surface of each side frame 42, but the workability of attaching the side airbag is also improved.

  The transmission member 46 is fixed to the outer side surface of each side frame 42, but is not limited thereto, and may be provided only on the left side surface of the seat back S2, that is, the surface opposite to the vehicle door. In this way, the transmission member 46 can be rotated about the hinge 47 as a rotation axis in conjunction with the movement of the occupant's upper body without being interfered by the vehicle door.

  Further, the transmission member 46 may be attached to the outside of both side surfaces of the plate-like support member 44 via hinges. If it does in this way, a plurality of power generators can be provided in seat back S2, and the amount of power generation of a power generator can be improved.

The transmission member 46 has a structure that rotates about the hinge 47 as a rotation axis. However, a separate cushion pad or the like is disposed behind the transmission member 46 to provide a lock mechanism that restricts the rotation of the transmission member 46. You may let them. The cushion pad can be arranged as necessary to restrict the rotation of the transmission member 46.
Moreover, you may provide the lock mechanism which a passenger | crew can operate. For example, a known lock member may be attached to the rear of the transmission member 46 so as to contact the rear surface of the transmission member 46. This lock member is movable in the vertical direction, and when releasing the rotation restriction of the transmission member 46, it is preferable to move it upward and downward so as not to contact the rear surface of the transmission member 46.

  Since the power generation device 50 includes the spring members 52 that urge the respective transmission members 46 and the respective magnetic bodies 51 toward the occupant's upper body, the power generation device 50 can stably support the movement of the occupant's upper body. .

  The power generation device 50 is attached to the portion of each side frame 42 that is substantially centered in the vertical direction and extends in the front direction via a hinge 47. Therefore, each side frame 42 can be attached to a portion having high rigidity, and the support rigidity of the power generation device 50 can also be improved.

In the seat belt device S4, the belt 4a is folded back by the through anchor 4b, and the rear end portion of the belt 4a is wound around a belt reminder (not shown).
The through anchor 4b includes an anchor sensor 81 that detects that the belt 4a has been pulled out, and an anchor illumination unit 91 that is attached to the right side surface of the through anchor 4b.
When the belt 4a is pulled out from the through anchor 4b, the anchor sensor 81 is configured to transmit a detection signal to the control unit 70.
The tongue plate 4c at the tip of the belt 4a can be detachably attached to the buckle 4d. The buckle 4d includes a buckle sensor 82 that detects that the tongue plate 4c is attached, and a buckle illumination unit 92 that is attached to the upper surface and the left side surface of the buckle 4d.
When the tongue plate 4 c is attached to the buckle 4 d, the buckle sensor 82 is configured to transmit a detection signal to the control unit 70.

The anchor illumination part 91 is attached to the right side surface of the through anchor 4b. Therefore, the occupant can easily confirm the position of the inner handle, the feet of the occupant, and the like by the lights of the anchor illumination unit 91, and can easily get off the vehicle.
Moreover, the buckle illumination part 92 is attached to the upper surface and the left side surface of the buckle 4d. Therefore, the occupant can easily confirm the position of the buckle 4d, the mounting hole of the buckle 4d to which the tongue plate 4c is mounted, and the like by the light of the buckle illumination unit 92, and the belt 4a can be easily mounted.

  FIG. 5 is a block diagram showing control for supplying electricity generated by the power generation devices 20 and 50 to the plurality of load units 90 as an example of control of the entire power generation device according to the present invention. Specifically, the rectifier 60 is connected to each of the power generation devices 20 and 50, the storage batteries 25 and 55 are connected to the rectifier 60, and the control unit 70 is connected to the storage batteries 25 and 55. In addition, a detector 80 and a plurality of load units 90 are connected to the control unit 70.

  The rectifier 60 rectifies the electricity generated by the power generation devices 20 and 50, and the rectified electricity is stored in the storage batteries 25 and 55. The control unit 70 supplies the stored electricity to the plurality of load units 90 attached to the vehicle seat S based on the detection signal of the detector 80.

The detector 80 includes an anchor sensor 81 and a buckle sensor 82.
The load unit 90 includes an anchor illumination unit 91 and a buckle illumination unit 92.
The load portion 90 is not limited to these, but is not limited to a blower fan (not shown) provided in the vehicle seat S, a rail device that adjusts the vehicle seat S back and forth, and the vehicle seat S up and down. It is possible to select a height link device S5 to be adjusted, a reclining device that tilts the seat back S2 backward, and other illumination units separately provided on the vehicle seat.
In this way, the vehicle seat S having excellent functionality and design, and further capable of generating power efficiently by utilizing the movement of the occupant and reducing the loss of generated power, The vehicle seat S provided with can be provided.

  As described above, in the structure in which electricity generated by the power generation devices 20 and 50 and stored in the storage batteries 25 and 55 is supplied to the plurality of load units 90, the consumption of a battery (not shown) can be reduced. Is possible.

  FIG. 6 is a flowchart showing a control for detecting that the belt 4a is pulled out by an occupant and supplying electricity from the storage battery 25 to the buckle illumination unit 92 as an example of the control of the entire power generation apparatus according to the present invention.

ST01: It is determined whether the belt 4a has been pulled out by the occupant.
Specifically, the anchor sensor 81 detects whether or not the belt 4a is pulled out from the through anchor 4b. If Yes, the process proceeds to ST02, and if No, ST01 is repeated.
ST02: The control unit 70 stores the detection signal of the anchor sensor 81. Thereafter, the control unit 70 controls the electricity of the storage battery 25 to be supplied to the buckle illumination unit 92. Proceed to ST03.

ST03: It is determined whether or not the belt 4a is worn by an occupant.
Specifically, the buckle sensor 82 detects whether or not the tongue plate 4c of the belt 4a is attached to the buckle 4d. If Yes, the process proceeds to ST05, and if No, the process proceeds to ST04.
ST04: The control unit 70 determines whether or not a predetermined time has elapsed since the threshold for the predetermined time that has elapsed since the detection signal of the anchor sensor 81 is stored. If Yes, the process proceeds to ST05, and if No, the process returns to ST03.

  ST05: The control unit 70 stores the detection signal of the buckle sensor 82, and stops supplying electricity to the buckle illumination unit 92. Or the control part 70 memorize | stores that predetermined time passed, and stops electricity supply.

Note that the control unit 70 of the present embodiment stores the detection signal when the belt is withdrawn or the detection signal when the belt is mounted, and controls so that electricity is supplied to the buckle illumination unit 92, but this is not limitative. Various modifications can be made without this.
For example, the control unit 70 may store a detection signal at the time of winding the belt by the belt reminder and control so that electricity is supplied to the buckle illumination unit 92 and other load units 90.
Further, the control unit 70 stores a detection signal when the occupant sits on the vehicle seat S and stands up from the seat, and controls so that electricity is supplied to the buckle illumination unit 92 and other load units 90. You may do it.
If it does in this way, according to a passenger | crew's preference, the light of an illumination part can be illuminated, and the vehicle seat S excellent in functionality and design property can be provided.

Moreover, although the storage battery 25 of this embodiment stores the electricity generated from the power generation device 20 and supplies it to the buckle illumination unit 92, the present invention is not limited to this, and various modifications are possible.
For example, another power generation device is provided in the belt reminder, and power generation is performed by using the rotation of the belt reminder accompanying pulling out of the belt 4a by the occupant and the vertical movement of the belt 4a by the movement of the occupant's upper body when the belt 4a is mounted. You may do it. The generated electricity may be supplied to the buckle illumination unit 92 via the storage battery 25.
In this way, since electricity is generated from the power generation device by the movement of the occupant pulling out the belt 4a, it is possible to make it easier to supply electricity to the buckle illumination unit 92.

  FIG. 7 is a flowchart showing control for supplying the electricity from the storage battery 55 to the anchor lighting unit 91 by detecting that the belt 4a has been removed by an occupant as an example of control of the entire power generation apparatus according to the present invention.

ST11: It is determined whether or not the belt 4a has been removed by the occupant.
Specifically, the buckle sensor 82 detects whether or not the tongue plate 4c of the belt 4a is attached to the buckle 4d. If Yes, that is, if the tongue plate 4c is removed from the buckle 4d, the process proceeds to ST12. If No, ST11 is repeated.
ST12: The control unit 70 stores the interruption of the detection signal of the buckle sensor 82. Thereafter, the control unit 70 controls the electricity of the storage battery 55 to be supplied to the anchor illumination unit 91. Proceed to ST13.

ST13: It is determined whether a vehicle door (not shown) has been closed by an occupant.
Specifically, a door sensor (not shown) detects whether the opened vehicle door is in a closed state. If Yes, the process proceeds to ST15, and if No, the process proceeds to ST14.
ST14: The control unit 70 determines whether or not a predetermined time has elapsed since the threshold for the predetermined time that has elapsed since the detection signal of the buckle sensor 82 is stored. In the case of Yes, it progresses to ST15, and in the case of No, it returns to ST13.

  ST15: The control unit 70 stores a detection signal of a door sensor (not shown) and stops supplying electricity to the anchor illumination unit 91. Or the control part 70 memorize | stores that predetermined time passed, and stops electricity supply.

In the present embodiment, the control unit 70 stores the detection signal of the detector 80 and controls the electricity of the storage batteries 25 and 55 to be supplied to the load unit 90, but is not limited thereto. Various modifications are possible without this.
For example, you may control by the control part 70 so that the electricity of the storage batteries 25 and 55 is supplied to the anchor illumination part 91, the buckle illumination part 92, and the other load part 90 for the predetermined time. Thereby, according to a passenger | crew's taste, the light of an illumination part can be illuminated, and the vehicle seat S excellent in functionality and design can be provided.

  In each of the above-described embodiments, the front seat of the automobile has been described as a specific example. However, the present invention is not limited to this and can be applied to a middle seat and a rear seat of the automobile.

S Vehicle seat S1 Seat cushion S2 Seat back S3 Headrest S4 Seat belt device S5 Height link device 1a, 2a, 3a Cushion pad 1b, 2b, 3b Skin 2c Main part 2d Bank part 3c Pillar 4a Belt 4b Through anchor 4c Tongue plate 4d Buckle 4e Buckle switch 5a Front rotation arm 5b Rear rotation arm
5c connecting shaft 10 seat cushion frame 11 side frame 12 pan frame 12a bent part 13 member pipe 14 spring 15 submarine suppressing pipe 15a central part 15b end part 16 transmission member 16a thigh support part 16b front part 16c connecting part 17 hinge 20 power generator 21 Magnetic body 22 Spring member 23 Power generation coil 24 Coil mounting member 24a Mounting section 24b Holding section 25 Storage battery 30 Power generation device 31 Magnetic body 32 Spring member 33 Power generation coil 34 Link rod 35 Magnetic body guide 35a Upper inner wall section 35b Lower inner wall section 35c Rear end portion 36 Guide mounting member 40 Seat back frame 41 Pipe frame 42 Side frame 43 Connection pipe 44 Plate-like support member 45 Wire spring 46 Transmission member 47 Hinge 50 Power generation device 51 Sex body 52 the spring member 53 generating coil 54 coil mounting member 54a attached portion 54b holding unit 55 battery 60 rectifier 70 control unit 80 detector 81 anchor sensor 82 a buckle sensor 90 load section 91 anchor the illumination unit 92 buckle illumination unit

Claims (14)

A power generation device provided in a vehicle seat,
A power generation device provided in a vehicle seat and generating power by electromagnetic induction by movement of an occupant. The vehicle seat includes a transmission member that transmits the movement of the occupant,
The power generation device according to claim 1, wherein the transmission member is disposed between the occupant and the power generation device.   The power generation device according to claim 2, wherein the transmission member is rotatable about a rotation axis in conjunction with movement of the occupant. A magnetic body fixed to the transmission member, a coil fixed to the vehicle seat side, and a spring member that biases the transmission member and the magnetic body toward the occupant side,
The power generation device according to claim 3, wherein the magnetic body generates power by electromagnetic induction by passing through the vicinity of the coil in conjunction with the movement of the occupant. The transmission member includes a bent portion;
The power generator according to claim 4, wherein the magnetic body is fixed inside the bent portion of the transmission member.   The power generation device according to claim 2, wherein the transmission member is attached to a region corresponding to a lower leg of the occupant. Arranged in a seat cushion with an elastic member to support the occupant,
The power generation device according to claim 2, wherein the transmission member is attached to a position different from the elastic member. The seat cushion has a seat cushion frame provided with a plate-like pan frame in a front portion,
The power generation device according to claim 7, wherein the rotation shaft of the transmission member is attached so as to extend in the left-right direction along the front side edge of the pan frame. The seat cushion frame includes a rod-shaped submarine suppressing member below the pan frame,
The power generation device according to claim 8, wherein the transmission member is attached at a position different from the submarine suppressing member. Provided in a position to support the upper body side of the occupant,
The power generation device according to any one of claims 1 to 9, wherein power is generated by electromagnetic induction by movement of an upper body side portion of the occupant. The vehicle seat has a seat back provided with a main portion that supports the upper body of the occupant, and bank portions that are provided on both the left and right sides of the main portion and project to the front side,
The power generation device according to claim 10, wherein the transmission member is attached to the inside of the bank portion. The seat back includes a seat back frame including side frames protruding to the front side at both right and left ends,
The power generation device according to claim 11, wherein the transmission member is attached to the side frame.   The power generation device according to claim 12, wherein the transmission member is provided on an outer side of the side frame and protrudes in front of the side frame. A vehicle seat provided with the power generation device, comprising the power generation device according to claim 1.

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