JP7269726B2 - wireless communication system - Google Patents

Description

The present invention relates to wireless communication systems .

In manpowered vehicles, systems are known in which an operating device electrically communicates with an operated device via an electrical cable. Further, Patent Document 1, in which a system in which an operating device wirelessly communicates with an operated device is known, discloses a system in which a speed change operating device wirelessly communicates with a transmission.

U.S. Patent Application Publication No. 2014/0114538

In human-powered vehicle systems, it is required to reduce the influence of disturbances on communication.
SUMMARY OF THE INVENTION An object of the present invention is to provide a wireless communication system capable of reducing the influence of disturbances.

A wireless communication system according to a first aspect of the present invention includes: a first wireless unit electrically connected to a first component mounted on a manpowered vehicle; a second wireless unit electrically connected to a second component mounted on the vehicle, wherein at least one of the first wireless unit and the second wireless unit is provided in an interior space of the human powered vehicle. be done.
According to the wireless communication system of the first aspect, since at least one of the first wireless unit and the second wireless unit is provided in the interior space of the manpowered vehicle, it is possible to reduce the influence of disturbance.

A wireless communication system according to a second aspect of the present invention includes: a first wireless unit electrically connected to a first component mounted on a manpowered vehicle; a second wireless unit electrically connected to a second component mounted on the vehicle, wherein the first wireless unit and the second wireless unit wirelessly communicate via an interior space of the manpowered vehicle. is provided in the manpowered vehicle.
According to the wireless communication system of the second aspect, since wireless communication is performed via the interior space of the manpowered vehicle, it is possible to reduce the influence of disturbance.

In the radio communication system of the third aspect according to the first or second aspect, the second radio unit is provided on the frame of the manpowered vehicle.
According to the wireless communication system of the third aspect, it is possible to reduce the influence of disturbance.

In the wireless communication system of the fourth aspect according to any one of the first to third aspects, the first wireless unit is provided in the steering mechanism of the manpowered vehicle.
According to the wireless communication system of the fourth aspect, it is possible to reduce the influence of disturbance.

A wireless communication system according to a fifth aspect of the present invention includes: a first wireless unit electrically connected to a first component mounted on a manpowered vehicle; a second radio unit electrically connected to a second component mounted on the vehicle, wherein the first radio unit is provided in a steering mechanism of the manpowered vehicle, and the second radio unit is connected to the The frame of the manpowered vehicle is provided such that the distance between the second radio unit and the first radio unit is shorter than the distance between the second radio unit and the second component.
According to the wireless communication system of the fifth aspect, since the distance between the second wireless unit and the first wireless unit is shorter than the distance between the second wireless unit and the second component, the influence of disturbance can be reduced. can be done.

In the wireless communication system of the sixth aspect according to the fourth or fifth aspect, the steering mechanism includes a handlebar and a stem supporting the handlebar, and the first wireless unit is provided on the stem.
According to the radio communication system of the sixth aspect, it is possible to reduce the influence of disturbance.

In the wireless communication system of the seventh aspect according to any one of the fourth to sixth aspects, the first wireless unit is provided in the interior space of the steering mechanism.
According to the wireless communication system of the seventh aspect, since the first wireless unit does not appear in the appearance of the manpowered vehicle, it is possible to reduce the influence of disturbance.

In the wireless communication system of the eighth aspect according to the fourth or fifth aspect, the steering mechanism includes a handlebar, a stem supporting the handlebar, and a connecting member for connecting a front wheel support device to the stem. and wherein the first radio unit is provided on the connecting member.
According to the wireless communication system of the eighth aspect, it is possible to reduce the influence of disturbance.

In the radio communication system of the ninth aspect according to any one of the first to eighth aspects, the second radio unit is provided in an internal space of the frame of the manpowered vehicle.
According to the wireless communication system of the ninth aspect, since the second wireless unit does not appear in the appearance of the manpowered vehicle, it is possible to reduce the influence of disturbance.

In the radio communication system of the tenth aspect according to any one of the first to ninth aspects, the first radio unit and the second radio unit wirelessly communicate via an internal space of the frame of the manpowered vehicle. is provided in the manpowered vehicle.
According to the wireless communication system of the tenth aspect, it is possible to reduce the influence of disturbance.

In the wireless communication system of the eleventh aspect according to any one of the first to tenth aspects, the first wireless unit and the second wireless unit wirelessly communicate via an internal space of a steering column of the manpowered vehicle. do.
According to the wireless communication system of the eleventh aspect, it is possible to reduce the influence of disturbance.

In the radio communication system of the twelfth aspect according to the eleventh aspect, the distance between the first radio unit and the steering column is shorter than the distance between the first radio unit and the first component.
According to the radio communication system of the twelfth aspect, since the distance between the first radio unit and the second radio unit is short, the influence of disturbance can be reduced.

In the wireless communication system of the thirteenth aspect according to the eleventh or twelfth aspect, the steering column includes a column body, an inner space of the column body, an inner space of the steering mechanism of the manpowered vehicle, and the an electromagnetic wave propagation mechanism for propagating an electromagnetic wave through at least one space between the inner space of the column body and the inner space of the frame of the manpowered vehicle.
According to the radio communication system of the thirteenth aspect, it is possible to reduce the influence of disturbance.

In the radio communication system according to the 14th aspect according to the 13th aspect, the electromagnetic wave propagation mechanism has at least one opening that communicates with the internal space of the column body in a direction non-parallel to the rotation center axis of the steering column. including.
According to the wireless communication system of the fourteenth aspect, the electromagnetic wave propagation mechanism can be configured simply.

In the wireless communication system according to the fifteenth aspect according to the fourteenth aspect, the at least one opening includes a first opening that communicates an internal space of the column body and an internal space of the steering mechanism, and an internal space of the column body. and a second opening communicating with the interior space of the frame.
According to the wireless communication system of the fifteenth aspect, the electromagnetic wave propagation mechanism can be configured simply.

A connection device according to a sixteenth aspect of the present invention comprises a first connection section to which a first electrical cable from a first component mounted on a manpowered vehicle is connected, and a second electrical cable from a second component mounted on a manpowered vehicle. 2 a second connection to which an electric cable is connected, and the first connection rotates relative to the second connection in accordance with the rotation of the steering mechanism of the manpowered vehicle with respect to the frame of the manpowered vehicle. and a support mechanism that supports the first connection portion and the second connection portion.
According to the connection device of the sixteenth aspect, since the first component and the second component are electrically connected, the influence of disturbance can be reduced, and the influence of steering on the electric cable can be reduced. can be reduced.

In the connection device of the seventeenth aspect according to the sixteenth aspect, the first component includes one of an operating device and an operated device, and the second component includes the other of the operating device and the operated device.
According to the connection device of the seventeenth aspect, it is possible to reduce the influence of disturbances and reduce the influence of steering on the electric cable.

In the connection device of the eighteenth aspect according to the sixteenth or seventeenth aspect, the first connection is connected with a first mechanical cable connected to a third component mounted on a manpowered vehicle, and the second connection Connected to the part is a second mechanical cable which is connected to a fourth component mounted on the manpowered vehicle.
According to the connection device of the eighteenth aspect, it is possible to reduce the influence of external disturbances, and reduce the influence of steering on mechanical cables and electrical cables.

In the connection device of the nineteenth aspect according to the eighteenth aspect, the first component includes a speed change operation device, the second component includes a speed change device, the third component includes a braking operation device, and the third component includes a speed change operation device. The 4 component includes the braking device.
According to the connecting device of the nineteenth aspect, it is possible to reduce the influence of external disturbances, and reduce the influence of steering on mechanical cables and electric cables.

According to the wireless communication system of the present invention, it is possible to reduce the influence of disturbances.

1 is a side view of a human-powered vehicle including the wireless communication system of the first embodiment; FIG. FIG. 2 is a partial cross-sectional view showing the steering column of FIG. 1 and its surroundings; FIG. 2 is a block diagram showing connection relationships between the wireless communication system in FIG. 1 and various elements; The side view of the human-powered vehicle containing the connection apparatus of 2nd Embodiment. FIG. 5 is a perspective view showing the configuration of the connection device of FIG. 4; FIG. 11 is a partial cross-sectional view showing a steering column and its surroundings in a manpowered vehicle including a radio communication system according to a modification; FIG. 11 is a partial cross-sectional view showing a steering column and its surroundings in a manpowered vehicle including a radio communication system according to a modification;

<First embodiment>
A human-powered vehicle A including a wireless communication system 10 will be described with reference to FIG.
Here, a human-powered vehicle means a vehicle that at least partially uses human power as a driving force for running, and includes vehicles that use electric power to assist human power. Vehicles that use only motive power other than human power are not included in man-powered vehicles. In particular, a vehicle using only an internal combustion engine as a motive power is not included in a human-powered vehicle. Typically, the human-powered vehicle is assumed to be a small light vehicle, and a vehicle that does not require a license to drive on public roads. The illustrated manpowered vehicle A is a bicycle including a travel assistance device E that assists the manpowered vehicle A in propulsion using electrical energy. Specifically, the illustrated manpowered vehicle A is a trekking bike. The manpowered vehicle A further includes a frame A1, a front wheel support device A2, front wheels WF, rear wheels WR, a steering mechanism H and a drive train B. The front wheel support device A2 includes a front fork A21 and a steering column SC (see FIG. 2). The steering mechanism H includes a handlebar H1 and a stem H2 supporting the handlebar H1.

Drivetrain B is of the chain drive type. Drivetrain B includes crank assembly C, front sprocket assembly D1, rear sprocket assembly D2, and chain D3. The crank assembly C includes a crankshaft C1 rotatably supported by the bottom bracket with respect to the frame A1, a pair of crank arms C2 provided at both ends of the crankshaft C1, and rotatable ends of the crank arms C2. Includes a pedal PD attached to the The drive train B can be of any type and may be of belt drive type or shaft drive type.

A front sprocket assembly D1 is provided on one crank arm C2 so as to rotate integrally with the crankshaft C1. Front sprocket assembly D1 includes a plurality of front sprockets D11. A rear sprocket assembly D2 is provided on the hub HR of the rear wheel WR. Rear sprocket assembly D2 includes a plurality of rear sprockets D21. The chain D3 is wound around one of the plurality of front sprockets D11 and one of the plurality of rear sprockets D21. A human-powered driving force applied to the pedal PD by a passenger on the human-powered vehicle A is transmitted to the rear wheels WR via the front sprocket assembly D1, the chain D3, and the rear sprocket assembly D2.

Manpowered vehicle A further includes a first component CO1 and a second component CO2. The first component CO1 includes one of an operating device OD to which a passenger's operation is input, and an operated device OT that operates according to an input to the operating device OD. In one example, the first component CO1 includes an operating device OD. The operating device OD is provided, for example, on the handlebar H1. The operating device OD included in the first component CO1 includes a shift operating device SL, a braking operating device BL, a shifting/braking operating device integrally provided with the shifting operating device SL and the braking operating device BL, a suspension operating device, and an adjustable seat post. At least one of an operation device and a driving assistance operation device is included. In this embodiment, the first component CO1 includes a shift operating device SL.

The second component CO2 includes the other of the operating device OD and the operated device OT. In one example, the second component CO2 includes the operated device OT. The operated device OT included in the second component CO2 includes at least one of the transmission T, the braking device BD, the suspension SU, the adjustable seat post ASP, and the driving assistance device E. The second component CO2 includes a transmission T in this embodiment. The components CO1, CO2 are arranged to operate electrically. In one example, the components CO1 and CO2 are operated by power supplied from the battery BT mounted on the human-powered vehicle A, power supplied from a dedicated power supply mounted on each of the components CO1 and CO2, or the like. The operating device OD and the operated device OT that are not included in the components CO1, CO2 described above may be configured to operate mechanically.

Transmission T includes an external transmission. In one example, transmission T includes at least one of front derailleur TF and rear derailleur TR. A front derailleur TF is provided near the front sprocket assembly D1 of the frame A1. The gear ratio of the manpowered vehicle A is changed by changing the front sprocket D11 around which the chain D3 is wound by the front derailleur TF. A rear derailleur TR is provided at the rear end A3 of the frame A1. The gear ratio of the manpowered vehicle A is changed by changing the rear sprocket D21 around which the chain D3 is wound by the rear derailleur TR. In one example, the transmission T is electrically driven according to the operation of the speed change operation device SL. The transmission T may include an internal transmission or a continuously variable transmission instead of the external transmission.

The braking devices BD include braking devices BD corresponding to the number of wheels. In this embodiment, the human-powered vehicle A is provided with a braking device BD corresponding to the front wheels WF and a braking device BD corresponding to the rear wheels WR. The two braking devices BD may have a configuration similar to each other. The braking device BD is a rim braking device that brakes the rim R of the manpowered vehicle A, for example. In one example, the corresponding braking device BD is electrically driven according to the operation of the braking operation device BL. The braking device BD may be a disc brake device that brakes a disc brake rotor mounted on the manpowered vehicle A.

Suspension SU includes at least one of front suspension SF and rear suspension. The front suspension SF operates so as to reduce the impact that the front wheels WF receive from the ground. The rear suspension operates so as to reduce the impact that the rear wheel WR receives from the ground. In one example, the corresponding suspension SU is electrically driven according to the operation of the suspension operating device. Specifically, at least one of the displacement state, travel amount, damping force, and repulsive force of the corresponding suspension SU is changed according to the operation of the suspension operating device.

The adjustable seatpost ASP operates to change the height of the saddle SD with respect to the frame A1. In one example, the adjustable seatpost ASP is electrically driven in response to operation of the adjustable seatpost operating device.

The driving assistance device E operates so that the propulsive force of the human-powered vehicle A is assisted. The travel assistance device E operates according to, for example, a human-powered driving force applied to the pedal PD. The travel assistance device E includes, for example, an electric motor E1. In one example, the driving assistance device E is electrically driven according to the operation of the driving assistance operating device.

The radio communication system 10 is mounted on the manpowered vehicle A so as to wirelessly communicate with the first radio unit 12 electrically connected to the first component CO1 mounted on the manpowered vehicle A and the first radio unit 12. and a second radio unit 14 electrically connected to the second component CO2 that is connected. The first radio unit 12 includes functions for transmitting or receiving various information. In one example, the first radio unit 12 includes functionality for transmitting electromagnetic waves containing various types of information. The first radio unit 12 is electrically connected to the first component CO1, for example via a first electrical cable CA1 (see FIG. 2). The first radio unit 12 transmits various information acquired from the first component CO1 to the second radio unit 14 . The first radio unit 12 is provided in the steering mechanism H of the manpowered vehicle A. As shown in FIG. In one example, the first radio unit 12 is provided on the stem H2.

The second radio unit 14 includes functions for transmitting or receiving various information. In one example, the second radio unit 14 includes functionality for receiving electromagnetic waves containing various types of information. The second radio unit 14 is electrically connected to the second component CO2, for example via a second electrical cable CA2 (see FIG. 2). The second radio unit 14 receives various information from the first radio unit 12 and transmits the received information to the second component CO2. The second radio unit 14 is provided on the frame A1 of the manpowered vehicle A. As shown in FIG. In one example, the second radio unit 14 is arranged such that the distance between the second radio unit 14 and the first radio unit 12 is less than the distance between the second radio unit 14 and the second component CO2. is provided on the frame A1 of Here, the distance between the second radio unit 14 and the first radio unit 12, and the distance between the second radio unit 14 and the second component CO2 are measured when the manpowered vehicle A is viewed from the right with respect to the traveling direction. defined as the shortest distance on the projection plane when

A specific configuration of the wireless communication system 10 will be described with reference to FIG.
At least one of the first radio unit 12 and the second radio unit 14 is provided in the interior space S of the manpowered vehicle A. As shown in FIG. In this embodiment, both the first radio unit 12 and the second radio unit 14 are provided in the interior space S of the manpowered vehicle A. As shown in FIG. The interior space S of the manpowered vehicle A includes the interior space S1 of the steering mechanism H, the interior space S2 of the frame A1, and the interior space S3 of the steering column SC.

The first radio unit 12 is provided in the internal space S1 of the steering mechanism H. As shown in FIG. In one example, the first radio unit 12 is provided in the internal space S11 of the stem H2. The distance between the first radio unit 12 and the steering column SC is shorter than the distance between the first radio unit 12 and the first component CO1. Here, the distance between the first radio unit 12 and the steering column SC and the distance between the first radio unit 12 and the first component CO1 are the distances when the human-powered vehicle A is viewed from the right in the traveling direction. Defined as the shortest distance on the projection plane. In this embodiment, the first radio unit 12 is arranged such that the distance between the first radio unit 12 and the steering column SC is shorter than the distance between the first radio unit 12 and the handlebar H1. provided in

The second radio unit 14 is provided in the internal space S2 of the frame A1 of the manpowered vehicle A. As shown in FIG. In one example, the second radio unit 14 is provided in the interior space S21 of the down tube A11 of the manpowered vehicle A. In the present embodiment, the second radio unit 14 is arranged so that the distance between the second radio unit 14 and the first radio unit 12 is shorter than the distance between the second radio unit 14 and the second component CO2. It is provided in the internal space S21 of A11.

The first radio unit 12 and the second radio unit 14 are provided in the manpowered vehicle A so as to communicate wirelessly through the interior space S of the manpowered vehicle A. As shown in FIG. In one example, the first wireless unit 12 and the second wireless unit 14 are provided in the manpowered vehicle A for wireless communication via the interior space S2 of the frame A1 of the manpowered vehicle A. In this embodiment, the first radio unit 12 and the second radio unit 14 wirelessly communicate via the internal space S3 of the steering column SC of the manpowered vehicle A.

The steering mechanism H further includes a connecting member H3 for connecting the front wheel support device A2 to the stem H2. The connecting member H3 includes a top cap H31, a bolt H32 and a nut H33. The top cap H31 is configured to be attachable to, for example, the upper end of the steering column SC. In one example, the top cap H31 is attached to the steering column SC so as to sandwich the stem H2 between itself and the frame A1. The bolt H32 is provided integrally with the top cap H31, for example. The nut H33 is provided, for example, on the steering column SC. In one example, the steering column SC is inserted into the head tube A12 of the frame A1, the stem H2 is attached to the steering column SC, and the top cap H31 is attached to the upper end of the steering column SC such that the bolt H32 is inserted into the nut H33. Thereby, the steering mechanism H is fixed to the steering column SC. The steering mechanism H may be configured without the connecting member H3.

The steering column SC is arranged between the column body SC1, the inner space S31 of the column body SC1 and the inner space S1 of the steering mechanism H of the manpowered vehicle A, and the inner space S31 of the column body SC1 and the frame of the manpowered vehicle A. and an electromagnetic wave propagation mechanism EP through which electromagnetic waves propagate at least one between the internal space S2 of A1. In this embodiment, the electromagnetic wave propagation mechanism EP is located between the inner space S31 of the column body SC1 and the inner space S1 of the steering mechanism H of the manpowered vehicle A, and between the inner space S31 of the column body SC1 and the manpowered vehicle A. Electromagnetic waves are configured to propagate both to the internal space S2 of the frame A1. The electromagnetic wave propagation mechanism EP may be composed of a mechanism capable of propagating electromagnetic waves, or may be composed of a material capable of propagating electromagnetic waves. A material capable of propagating electromagnetic waves is, for example, a resin.

The electromagnetic wave propagation mechanism EP is composed of, for example, a mechanism capable of propagating electromagnetic waves. The electromagnetic wave propagation mechanism EP includes at least one opening OP communicating with the internal space S31 of the column body SC1 in a direction non-parallel to the rotation center axis RA of the steering column SC. In one example, at least one opening OP is provided such that its opening direction and the rotation center axis RA of the steering column SC intersect on the projection plane. At least one opening OP provides communication between the internal space S31 of the column body SC1 and the internal space S1 of the steering mechanism H, and the internal space S31 of the column body SC1 and the internal space S2 of the frame A1. and a second opening OP2.

The first opening OP1 communicates, for example, the internal space S31 of the column body SC1 and the internal space S11 of the stem H2. In one example, the first opening OP1 is provided in the column body SC1. Specifically, the first opening OP1 is provided at a connection portion with the steering mechanism H of the column body SC1. The second opening OP2 communicates, for example, the internal space S31 of the column body SC1 and the internal space S21 of the down tube A11. In one example, the second opening OP2 is provided in each of the column main body SC1 and the down tube A11. Specifically, the second opening OP2 is provided at a connection portion of the column main body SC1 with the down tube A11 and a connection portion of the down tube A11 with the column main body SC1. In this embodiment, the electromagnetic waves transmitted from the first radio unit 12 are transmitted through the internal space S11 of the stem H2, the first opening OP1, the internal space S31 of the column body SC1, the second opening OP2, and the internal space of the down tube A11. It is received by the second radio unit 14 via S21. If the frame A1 is configured such that the space between the down tube A11 and the head tube A12 is open, the second opening OP2 provided in the down tube A11 can be omitted.

As shown in FIG. 3 , manpowered vehicle A further includes a control device 20 . The control device 20 is housed in a housing E2 of the driving assistance device E, for example. Control device 20 operates with power supplied from battery BT. The control device 20 includes a control unit 22 that controls the second component CO2 (operated device OT) according to the operation of the first component CO1 (operating device OD), and a storage unit 24 that stores various information. . The control unit 22 is a CPU (Central Processing Unit) or an MPU (Micro Processing Unit). The control unit 22 acquires, for example, information regarding the operation of the first component CO1 via the first wireless unit 12 and the second wireless unit 14, and controls the second component CO2 based on the information regarding the operation of the first component CO1. do. Storage unit 24 includes a nonvolatile memory and a volatile memory. The storage unit 24 stores, for example, various programs for control, preset information, and the like.

<Second embodiment>
The connection device 30 of the second embodiment will be described with reference to FIGS. 4 and 5. FIG. The same reference numerals as in the first embodiment are assigned to the configurations that are common to the first embodiment, and overlapping descriptions are omitted.

The manpowered vehicle AA including the connection device 30 will be described with reference to FIG.
The illustrated manpowered vehicle AA is a bicycle including a travel assistance device E that uses electric energy to assist the propulsion of the manpowered vehicle AA. Specifically, the illustrated manpowered vehicle AA is a trekking bike. The manpowered vehicle AA further includes a frame A1, a front wheel support device A2, front wheels WF, rear wheels WR, a steering mechanism H, a drive train B, and a control device 20. The steering mechanism H of the second embodiment differs in shape from the steering mechanism H of the first embodiment, but has substantially the same configuration as the steering mechanism H of the first embodiment. The connecting device 30 is provided between the steering mechanism H and the frame A1 in, for example, the manpowered vehicle AA. In one example, the connecting device 30 is provided on a steering column SC of a manpowered vehicle AA.

Manpowered vehicle AA further includes a first component CO1, a second component CO2, a third component CO3 and a fourth component CO4. A first component CO1 and a second component CO2 are associated with each other. The first component CO1 includes one of the operating device OD and the operated device OT. In one example, the first component CO1 includes an operating device OD. The operating device OD included in the first component CO1 includes at least one of a shift operating device SL, a suspension operating device, an adjustable seat post operating device, and a driving assistance operating device. In this embodiment, the first component CO1 includes a shift operating device SL.

The second component CO2 includes the other of the operating device OD and the operated device OT. In one example, the second component CO2 includes the operated device OT. The operated device OT included in the second component CO2 includes at least one of the transmission T, the suspension SU, the adjustable seat post ASP, and the travel assistance device E. The second component CO2 includes a transmission T in this embodiment. The first component CO1 and the second component CO2 are arranged to operate electrically, for example. In one example, the components CO1 and CO2 operate with power supplied from the battery BT mounted on the human-powered vehicle AA, power supplied from a dedicated power supply mounted on the individual components CO1 and CO2, or the like. The operating device OD and the operated device OT that are not included in the components CO1, CO2 described above may be configured to operate mechanically.

A third component CO3 and a fourth component CO4 are associated with each other. The third component CO3 includes one of the operating device OD and the operated device OT. In one example, the third component CO3 includes an operating device OD. In this embodiment, the third component CO3 includes a braking operating device BL. The fourth component CO4 includes the other of the operating device OD and the operated device OT. In one example, the fourth component CO4 includes the operated device OT. In this embodiment, the fourth component CO4 includes the braking device BD. The third component CO3 and the fourth component CO4 are configured to move mechanically, for example.

A specific configuration of the connection device 30 will be described with reference to FIG.
The connection device 30 includes a first connection portion 32 to which a first electric cable CB1 from a first component CO1 mounted on the manpowered vehicle AA is connected, and a second electric cable CB1 from a second component CO2 mounted on the manpowered vehicle AA. 2 and a second connection portion 34 to which the electric cable CB2 is connected. The first electric cable CB1 includes an electric wire EW1 and an outer case EO1 that covers the electric wire EW1. In this embodiment, the first electric cable CB1 includes a first electric cable CB11 and a first electric cable CB12. The first electric cable CB11 electrically connects, for example, the first connection portion 32 and a shift operating device SL for operating the rear derailleur TR. The first electric cable CB12 electrically connects, for example, the first connection portion 32 and a shift operating device SL for operating the front derailleur TF. The second electric cable CB2 includes an electric wire EW2 and an outer case EO2 that covers the electric wire EW2. The second electric cable CB2 includes a second electric cable CB21 and a second electric cable CB22. The plurality of second electric cables CB21 and CB22 electrically connect the second connecting portion 34 and the control device 20, for example.

A first mechanical cable CM1 connected to a third component CO3 mounted on the manpowered vehicle AA is connected to the first connection portion 32 . The first mechanical cable CM1 is, for example, a Bowden cable. The first mechanical cable CM1 includes an inner wire IW1 and an outer case IO1 covering the inner wire IW1. The first mechanical cable CM1 includes a first mechanical cable CM11 and a first mechanical cable CM12. The first mechanical cables CM11, CM12 connect, for example, the first connecting portion 32 and the braking operation device BL corresponding to the braking device BD for braking the rear wheels WR of the manpowered vehicle AA.

A second mechanical cable CM2 connected to a fourth component CO4 mounted on the manpowered vehicle AA is connected to the second connection portion 34 . The second mechanical cable CM2 is, for example, a Bowden cable. The second mechanical cable CM2 includes an inner wire IW2 and an outer case IO2 that covers the inner wire IW2. The second mechanical cable CM2 includes a second mechanical cable CM21 and a second mechanical cable CM22. The second mechanical cables CM21, CM22 connect, for example, the second connection portion 34 and the braking device BD corresponding to the rear wheels WR of the manpowered vehicle AA. A mechanical cable CM3 from the braking operation device BL corresponding to the front wheels WF of the manpowered vehicle AA is connected to the brake device BD corresponding to the front wheels WF of the manpowered vehicle AA, for example, via the interior space S of the manpowered vehicle AA. (see Figure 4).

The connecting device 30 connects the first connecting portion 32 so that the first connecting portion 32 rotates relative to the second connecting portion 34 in accordance with the rotation of the steering mechanism H of the manpowered vehicle AA with respect to the frame A1 of the manpowered vehicle AA. A support mechanism 36 that supports the portion 32 and the second connection portion 34 is further provided. The support mechanism 36 contains, for example, bearings. The support mechanism 36 includes a first support portion 36A that supports the first connection portion 32 and a second support portion 36B that supports the second connection portion 34 . The first support portion 36A and the second support portion 36B are coupled to each other so as to rotate relative to each other.

The electric wire EW1 of the first electric cable CB1 and the inner wire IW1 of the first mechanical cable CM1 are connected to the first support portion 36A. The electric wire EW2 of the second electrical cable CB2 and the inner wire IW2 of the second mechanical cable CM2 are connected to the second support portion 36B. The first support portion 36A and the second support portion 36B are configured such that the electric wire EW1 of the first electric cable CB1 and the electric wire EW2 of the second electric cable CB2 conduct electricity.

The connection device 30 further includes an insertion hole 30A through which the steering column SC of the manpowered vehicle AA can be inserted. 30 A of insertion holes are provided in each of the 1st connection part 32, the 2nd connection part 34, and the support mechanism 36. As shown in FIG. In one example, the connecting device 30 is attached to the steering column SC by inserting the steering column SC into the insertion hole 30A and fixing the second connecting portion 34 to the steering column SC (see FIG. 4).

When the speed change operation device SL is operated, a signal including information regarding the operation of the speed change operation device SL is transmitted to the control device 20 via the first electric cable CB1, the connecting device 30 and the second electric cable CB2. The control device 20 controls the transmission device T based on information regarding the operation of the speed change operation device SL. When the brake operating device BL corresponding to the rear wheel WR of the manpowered vehicle AA is operated, the inner wire IW1 of the first mechanical cable CM1 is pulled so that the support mechanism 36 approaches the first connecting portion 32, The inner wire IW2 of cable CM2 is similarly pulled. By pulling the inner wire IW2 of the second mechanical cable CM2, the braking device BD corresponding to the rear wheel WR of the manpowered vehicle AA operates.

When a passenger on the manpowered vehicle AA steers the handlebar H1, the steering mechanism H rotates and the first connecting portion 32 rotates relative to the second connecting portion . Specifically, the first connection portion 32 and the first support portion 36A integrally rotate relative to the second support portion 36B and the second connection portion 34 . In this case, the first electrical cable CB1 rotates relative to the second electrical cable CB2, and the first mechanical cable CM1 rotates relative to the second mechanical cable CM2.

<Modification>
The descriptions of the above embodiments are examples of forms that the wireless communication system and connection device according to the present invention can take, and are not intended to limit the forms. A wireless communication system and a connection device according to the present invention can take, for example, modifications of the above-described embodiments shown below, and combinations of at least two modifications that are not mutually contradictory. In the modifications below, the same reference numerals as in each embodiment are given to the parts that are common to each embodiment, and the description thereof will be omitted.

- Arrangement of the 1st radio|wireless unit 12 can be changed arbitrarily. In the first and second examples below, the steering mechanism H includes a handlebar H1, a stem H2 supporting the handlebar H1, and a connecting member H3 for connecting the front wheel support device A2 to the stem H2. The first radio unit 12 is provided on the connecting member H3. In a first example, as shown in FIG. 6, the first radio unit 12 is provided on the top cap H31. Specifically, the first wireless unit 12 is provided on the inner surface of the top cap H31. In this case, the first radio unit 12 is arranged in the internal space S3 of the steering column SC. In a second example, as shown in FIG. 7, the first radio unit 12 is provided on the nut H33. In this case, the first radio unit 12 is arranged in the internal space S3 of the steering column SC. In the first and second examples, when the first electric cable CA1 is connected to the first component CO1 via the outside of the manpowered vehicle A, the electromagnetic wave propagation mechanism EP is configured without the first opening OP1. may In the third example, the first radio unit 12 is provided on the inner peripheral surface of the steering column SC. In the fourth example, the first radio unit 12 is provided in the first opening OP1. In the fifth example, the first wireless unit 12 is provided in the internal space of the handlebar H1.

- The arrangement of the second radio unit 14 can be changed arbitrarily. In the first example, the second radio unit 14 is provided in the second opening OP2 of the down tube A11. In the second example, the second radio unit 14 is arranged such that the distance between the second radio unit 14 and the steering column SC is shorter than the distance between the second radio unit 14 and the second component CO2. It is provided in the internal space S21. In the third example, the second radio unit 14 is provided in the internal space of the top tube A13 of the frame A1. In this case, the second opening OP2 is provided at the connection portion of the column main body SC1 with the top tube A13 and the connection portion of the top tube A13 with the column main body SC1. If the frame A1 is configured such that the space between the top tube A13 and the head tube A12 is open, the second opening OP2 provided in the top tube A13 can be omitted.

- The relationship between the distance between the first radio unit 12 and the steering column SC and the distance between the first radio unit 12 and the first component CO1 can be changed arbitrarily. In the first example, the distance between the first radio unit 12 and the steering column SC is substantially the same as the distance between the first radio unit 12 and the first component CO1. In the second example, the distance between the first radio unit 12 and the steering column SC is longer than the distance between the first radio unit 12 and the first component CO1.

- The relationship between the first radio unit 12 and the second radio unit 14 can be changed arbitrarily. In the first example, at least one of the first radio unit 12 and the second radio unit 14 is provided on the outer surface of the manpowered vehicle A. As shown in FIG. In a second example, the first wireless unit 12 and the second wireless unit 14 are provided in the manpowered vehicle A for wireless communication via the exterior of the manpowered vehicle A. In a third example, the second radio unit 14 is arranged such that the distance between the second radio unit 14 and the first radio unit 12 is substantially the same as the distance between the second radio unit 14 and the second component CO2. , is provided on the frame A1 of the manpowered vehicle A. In the fourth example, the second radio unit 14 is manually driven such that the distance between the second radio unit 14 and the first radio unit 12 is longer than the distance between the second radio unit 14 and the second component CO2. It is provided on the frame A1 of the car A.

- The types of human-powered vehicles A and AA can be changed arbitrarily. In a first example, the human powered vehicle A, AA is a road bike, mountain bike, cross bike, city cycle, cargo bike or recumbent. In a second example, manpowered vehicles A and AA are kick scooters.

• The phrase "at least one" as used herein means "one or more" of the desired option. As an example, the phrase "at least one" as used herein means "only one option" or "both of the two options" if the number of options is two. As another example, the expression "at least one" used herein means "only one option" or "any combination of two or more options" if the number of options is three or more. means

DESCRIPTION OF SYMBOLS 10... Wireless communication system, 12... 1st wireless unit, 14... 2nd wireless unit, 30... Connection device, 32... 1st connection part, 34... 2nd connection part, 36... Support mechanism, A... Manpowered vehicle, AA... manpowered vehicle, A1... frame, A2... front wheel support device, BD... braking device, BL... braking operation device, CB1... first electric cable, CB2... second electric cable, CM1... first mechanical cable, CM2... Second mechanical cable, CO1...first component, CO2...second component, CO3...third component, CO4...fourth component, EP...electromagnetic wave propagation mechanism, H...steering mechanism, H1...handlebar, H2...stem, H3 ...connecting member OD...operating device OP...opening OP1...first opening OP2...second opening OT...operated device RA...rotation center axis S...internal space S1...internal space S11... Internal space, S2... Internal space, S3... Internal space, S31... Internal space, SC... Steering column, SC1... Column main body, SL... Shift operation device, T... Transmission device.

Claims (19)

a first wireless unit electrically connected to a first component mounted on the human powered vehicle;
a second wireless unit electrically connected to a second component mounted on the human powered vehicle in wireless communication with the first wireless unit;
at least one of the first wireless unit and the second wireless unit is provided in an internal space of the manpowered vehicle;
The first wireless unit is provided in a steering mechanism of the manpowered vehicle,
the steering mechanism includes a handlebar and a stem supporting the handlebar;
The radio communication system, wherein the first radio unit is provided in the stem. a first wireless unit electrically connected to a first component mounted on the human powered vehicle;
a second wireless unit electrically connected to a second component mounted on the human powered vehicle in wireless communication with the first wireless unit;
The first wireless unit and the second wireless unit are provided in the manpowered vehicle so as to communicate wirelessly via an internal space of the manpowered vehicle,
The first wireless unit is provided in a steering mechanism of the manpowered vehicle,
the steering mechanism includes a handlebar and a stem supporting the handlebar;
The radio communication system, wherein the first radio unit is provided in the stem. 3. The radio communication system according to claim 1, wherein said first radio unit is provided in an internal space of said steering mechanism. a first wireless unit electrically connected to a first component mounted on the human powered vehicle;
a second wireless unit electrically connected to a second component mounted on the human powered vehicle in wireless communication with the first wireless unit;
The first radio unit and the second radio unit are provided in an internal space of the manpowered vehicle,
The first wireless unit is provided in an internal space of a steering mechanism of the manpowered vehicle,
the steering mechanism includes a handlebar and a stem supporting the handlebar;
The radio communication system, wherein the first radio unit is provided in the stem. 5. The radio communication system according to claim 4 , wherein said first radio unit and said second radio unit are provided in said manpowered vehicle so as to perform radio communication via an interior space of said manpowered vehicle. 6. The radio communication system according to claim 4 , wherein said second radio unit is provided in an internal space of a frame of said manpowered vehicle. a first wireless unit electrically connected to a first component mounted on the human powered vehicle;
a second wireless unit electrically connected to a second component mounted on the human powered vehicle in wireless communication with the first wireless unit;
The first radio unit and the second radio unit are provided in an internal space of the manpowered vehicle,
The first wireless unit is provided in an internal space of a steering mechanism of the manpowered vehicle,
The steering mechanism includes a handlebar, a stem that supports the handlebar, and a connecting member for connecting a front wheel support device to the stem,
The wireless communication system, wherein the first wireless unit is provided on the connecting member. The second radio unit is arranged in the frame of the manpowered vehicle such that the distance between the second radio unit and the first radio unit is shorter than the distance between the second radio unit and the second component. 8. A radio communication system according to claim 4 or 7 , provided in a first wireless unit electrically connected to a first component mounted on the human powered vehicle;
a second wireless unit electrically connected to a second component mounted on the human powered vehicle in wireless communication with the first wireless unit;
at least one of the first wireless unit and the second wireless unit is provided in an internal space of the manpowered vehicle;
The first wireless unit is provided in a steering mechanism of the manpowered vehicle,
The steering mechanism includes a handlebar, a stem that supports the handlebar, and a connecting member for connecting a front wheel support device to the stem,
The wireless communication system, wherein the first wireless unit is provided on the connecting member. a first wireless unit electrically connected to a first component mounted on the human powered vehicle;
a second wireless unit electrically connected to a second component mounted on the human powered vehicle in wireless communication with the first wireless unit;
The first wireless unit and the second wireless unit are provided in the manpowered vehicle so as to communicate wirelessly via an internal space of the manpowered vehicle,
The first wireless unit is provided in a steering mechanism of the manpowered vehicle,
The steering mechanism includes a handlebar, a stem that supports the handlebar, and a connecting member for connecting a front wheel support device to the stem,
The wireless communication system, wherein the first wireless unit is provided on the connecting member. 11. The wireless communication system according to any one of claims 1, 2, 3, 7, 8, 9 and 10, wherein said second wireless unit is provided in an interior space of a frame of said manpowered vehicle. 12. The first wireless unit and the second wireless unit according to any one of claims 1 to 11 , wherein the first wireless unit and the second wireless unit are provided in the manpowered vehicle so as to communicate wirelessly via an interior space of a frame of the manpowered vehicle. wireless communication system. 13. The wireless communication system according to any one of claims 1 to 12 , wherein said first wireless unit and said second wireless unit wirelessly communicate via an interior space of a steering column of said manpowered vehicle. 14. The wireless communication system of claim 13 , wherein the distance between said first wireless unit and said steering column is less than the distance between said first wireless unit and said first component. The steering column includes a column body, a space between the inner space of the column body and the inner space of the steering mechanism of the manpowered vehicle, and a space between the inner space of the column body and the inner space of the frame of the manpowered vehicle. 15. The radio communication system according to claim 13 or 14 , comprising an electromagnetic wave propagation mechanism through which electromagnetic waves propagate at least one between. 16. The wireless communication system according to claim 15 , wherein said electromagnetic wave propagation mechanism includes at least one opening that communicates with the internal space of said column body in a direction non-parallel to the rotation center axis of said steering column. The at least one opening includes a first opening that communicates the internal space of the column body and the internal space of the steering mechanism, and a second opening that communicates the internal space of the column body and the internal space of the frame. 17. The wireless communication system of claim 16 , comprising: a first wireless unit electrically connected to a first component mounted on the human powered vehicle;
a second wireless unit electrically connected to a second component mounted on the human powered vehicle in wireless communication with the first wireless unit;
The steering column of the manpowered vehicle includes a column body, an inner space of the column body and an inner space of a steering mechanism of the manpowered vehicle, and an inner space of the column body and the frame of the manpowered vehicle. an electromagnetic wave propagation mechanism in which electromagnetic waves propagate at least one between the internal space,
The electromagnetic wave propagation mechanism includes a resin member,
A wireless communication system, wherein the first wireless unit and the second wireless unit wirelessly communicate via the interior space of the steering column of the manpowered vehicle. a first wireless unit electrically connected to a first component mounted on the human powered vehicle;
a second wireless unit electrically connected to a second component mounted on the human powered vehicle in wireless communication with the first wireless unit;
The steering column of the manpowered vehicle includes a column body, an inner space of the column body and an inner space of a steering mechanism of the manpowered vehicle, and an inner space of the column body and the frame of the manpowered vehicle. an electromagnetic wave propagation mechanism in which electromagnetic waves propagate at least one between the internal space,
The electromagnetic wave propagation mechanism includes at least one opening that communicates with the internal space of the column body in a direction non-parallel to the rotation center axis of the steering column,
The at least one opening includes a first opening that communicates the internal space of the column body and the internal space of the steering mechanism, and a second opening that communicates the internal space of the column body and the internal space of the frame. including
A wireless communication system, wherein the first wireless unit and the second wireless unit wirelessly communicate via the interior space of the steering column of the manpowered vehicle.

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