JP7254563B2 - Wireless communication system and control method - Google Patents

Description

The present invention relates to a wireless communication system and control method.

2. Description of the Related Art A human-powered vehicle equipped with a system in which an operating device wirelessly communicates with an operated device is known. Patent Literature 1 discloses a human-powered vehicle equipped with a system in which a shift operating device wirelessly communicates with a transmission.

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

SUMMARY OF THE INVENTION An object of the present invention is to provide a radio communication system and a control method thereof in which the influence of disturbance is reduced.

A wireless communication system according to a first aspect of the present invention includes: a first wireless communication device electrically connected to a first component mounted on a manpowered vehicle; and a second wireless communication device connected to the first wireless communication device, wherein the first wireless communication device communicates with the second wireless communication device via the interior space of the manpowered vehicle, and the output of the first wireless communication device The frequency is different from the output frequency of said second radio communication device.
According to the wireless communication system of the first aspect, since the first wireless communication device communicates with the second wireless communication device via the internal space of the manpowered vehicle, the influence of disturbance is reduced.

In the radio communication system of the second aspect according to the first aspect, the output frequency of the second radio communication device is lower than the output frequency of the first radio communication device.
According to the wireless communication system of the second aspect, the influence of disturbance is reduced.

In the radio communication system of the third aspect according to the first or second aspect, the output frequency of the first radio communication device is 30 GHz or more and less than 300 GHz.
According to the radio communication system of the third aspect, the first radio communication device can preferably communicate with the second radio communication device.

In the radio communication system of the fourth aspect according to any one of the first to third aspects, the output frequency of the second radio communication device is 3 GHz or more and less than 30 GHz.
According to the radio communication system of the fourth aspect, the second radio communication device can preferably communicate with the first radio communication device.

A wireless communication system according to a fifth aspect of the present invention includes: a first wireless communication device electrically connected to a first component mounted on a manpowered vehicle; and a second wireless communication device connected to the first wireless communication device, wherein the first wireless communication device communicates with the second wireless communication device via the interior space of the manpowered vehicle, and the output of the first wireless communication device At least one of the frequency and the output frequency of the second wireless communication device is 3 GHz or higher.
According to the radio communication system of the fifth aspect, since at least one of the output frequency of the first radio communication device and the output frequency of the second radio communication device is 3 GHz or higher, the first radio communication device and the second radio communication device can preferably communicate with.

In the radio communication system of the sixth aspect according to the fifth aspect, at least one of the output frequency of the first radio communication device and the output frequency of the second radio communication device is 30 GHz or higher.
According to the radio communication system of the sixth aspect, the first radio communication device and the second radio communication device can preferably communicate with each other.

In the radio communication system of the seventh aspect according to the fifth or sixth aspect, at least one of the output frequency of the first radio communication device and the output frequency of the second radio communication device is less than 300 GHz.
According to the communication system of the seventh aspect, the first wireless communication device and the second wireless communication device can preferably communicate with each other.

In the wireless communication system of the eighth aspect according to any one of the first to seventh aspects, the first wireless communication device includes a handlebar of the manpowered vehicle, and a steering column of the manpowered vehicle that connects the handlebar to a steering column of the manpowered vehicle. positioned in the interior space to correspond to at least one of the stems supporting the .
According to the wireless communication system of the eighth aspect, since at least part of the first wireless communication device is arranged in the internal space, communication can be preferably performed via the internal space of the manpowered vehicle.

In the radio communication system of the ninth aspect according to any one of the first to eighth aspects, the second radio communication device is arranged in the internal space so as to correspond to the frame of the manpowered vehicle.
According to the radio communication system of the ninth aspect, since at least part of the second radio communication device is arranged in the internal space, communication can be preferably performed via the internal space of the manpowered vehicle.

In the wireless communication system of the tenth aspect according to any one of the first to ninth aspects, the second component operates with power supplied from a power supply device provided in the manpowered vehicle.
According to the wireless communication system of the tenth aspect, the second component can operate favorably.

In the radio communication system of the eleventh aspect according to any one of the first to tenth aspects, the first component operates with power supplied from the second radio communication device.
According to the wireless communication system of the eleventh aspect, the first component can operate favorably.

In the wireless communication system of the twelfth aspect according to the eleventh aspect, the first wireless communication device includes a power storage device that stores power supplied from the second wireless communication device.
According to the radio communication system of the twelfth aspect, the first radio communication device can operate favorably.

In the wireless communication system of the thirteenth aspect according to any one of the first to twelfth aspects, the first component includes an operating device, and the second component controls an operated device operated by the operating device. include.
According to the wireless communication system of the thirteenth aspect, the operated device can be favorably operated by the operating device.

In the wireless communication system according to the 14th aspect according to the 13th aspect, the operating device operates a shift operating device, a braking operating device, a suspension operating device, an adjustable seat post operating device, and an auxiliary driving device that outputs auxiliary driving force. at least one auxiliary drive manipulator for
According to the wireless communication system of the fourteenth aspect, the operated device can be favorably operated by the operating device.

In the wireless communication system of the fifteenth aspect according to the thirteenth or fourteenth aspect, the operated device is at least one of a transmission, a braking device, a suspension, an adjustable seat post, and an auxiliary driving device that outputs an auxiliary driving force. including.
According to the wireless communication system of the fifteenth aspect, the operated device can be favorably operated by the operating device.

A control method in a radio communication system according to a sixteenth aspect of the present invention comprises: a first radio communication device electrically connected to a first component mounted on a manpowered vehicle; and a second component mounted on the manpowered vehicle. a second wireless communication device electrically connected to the first component, wherein the first component includes an operating device; the second component includes an operated device operated by the operating device; A control method in a wireless communication system, wherein a wireless communication device communicates with the second wireless communication device via an internal space of the manpowered vehicle, wherein the second wireless communication device communicates with the first wireless communication device a step of contactlessly supplying power; a step of receiving an operation input by the operation device; a step of the first wireless communication device transmitting a control signal corresponding to the operation input; a step of receiving by the second wireless communication device; and a step of operating the operated device according to the control signal.
According to the control method of the sixteenth aspect, the first wireless communication device and the second wireless communication device can preferably communicate with each other.

According to the wireless communication system and control method of the present invention, the influence of disturbance is reduced.

1 is a side view of a human-powered vehicle including a wireless communication system according to an embodiment; FIG. 1 is a block diagram illustrating various elements of a wireless communication system; FIG. FIG. 2 is a partial cross-sectional view showing the steering column of FIG. 1 and its surroundings; 4 is a flowchart of processing executed by a first control unit; 4 is a flowchart of processing executed by a second control unit; FIG. 2 is a sequence diagram showing the operating order of a first wireless communication device and a second wireless communication device in a wireless communication system; The side view of the human-powered vehicle containing the radio|wireless communications system of a modification.

<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 an auxiliary drive 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 shown in FIG. Frame A1 includes down tube A11, head tube A12, top tube A13, and seat stays A14. 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 pedals PD by a rider 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 an operating device OD. The operating device OD is provided, for example, on the handlebar H1. As shown in FIG. 2, the operating device OD operates a shift operating device OD1, a braking operating device OD2, a suspension operating device OD3, an adjustable seat post operating device OD4, and an auxiliary driving device that outputs auxiliary driving force. auxiliary drive operating device OD5. The operating device OD further includes an operating member. The operation member is operated by the rider to output an operation signal corresponding to the content of the rider's operation. The operating member includes at least one of a lever and a button.

The second component CO2 includes an operated device OT operated by an operating device OD. The operated device OT includes at least one of a transmission T, a braking device BD, a suspension SU, an adjustable seat post ASP, and an auxiliary driving device E that outputs auxiliary driving force.

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 based on an operation signal that is output in response to operation of the shift operating device OD1. The transmission T may include at least one of an internal transmission and a continuously variable transmission instead of the external transmission.

The braking device BD comprises a braking device BD corresponding to the number of wheels W. FIG. Wheels W include front wheels WF and rear wheels WR. The braking device BD includes 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 based on the operation signal output in response to the operation of the braking operation device OD2. 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 OD3 shown in FIG. Specifically, at least one of the displacement state, travel amount, damping force, and repulsive force of the corresponding suspension SU is changed based on the operation signal output in response to the operation of the suspension operation device OD3.

The adjustable seatpost ASP operates to change the height of the saddle SD with respect to the frame A1. In one example, the adjustable seat post ASP is electrically driven based on an operation signal output in response to operation of the adjustable seat post operation device OD4 shown in FIG.

The auxiliary driving device E operates so that the driving force of the manpowered vehicle A is assisted. The auxiliary driving device E operates according to, for example, a human driving force applied to the pedal PD. The auxiliary drive E includes, for example, an electric motor E1. In one example, the auxiliary drive device E is electrically driven based on the operation signal output in response to the operation of the auxiliary drive operation device OD5 shown in FIG.

A specific configuration of the radio communication system 10 will be described with reference to FIG.
The radio communication system 10 is electrically connected to the first radio communication device 20 electrically connected to the first component CO1 mounted on the manpowered vehicle A and the second component CO2 mounted to the manpowered vehicle A. and a second wireless communication device 30 to be used.

In this embodiment, the first wireless communication device 20 is configured separately from the first component CO1. The first wireless communication device 20 is electrically connected to the first component CO1 via a cable CA. The cable CA is compatible with power line communication (PLC). The first wireless communication device 20 includes a communication section 22 , a storage section 24 and a first control section 26 . The communication unit 22 includes an antenna for transmitting and receiving radio waves and an oscillator for outputting radio waves of the output frequency of the first wireless communication device 20 . Oscillators may include, for example, oscillators utilizing gallium arsenide high electron mobility transistors and silicon germanium bipolar transistors. Hereinafter, the output frequency of the first radio communication device 20 may be referred to as the first output frequency. Preferably, the first output frequency is a frequency suitable for communication with the second wireless communication device 30. The storage unit 24 stores various control programs and information used for various control processes. The storage unit 24 includes, for example, at least one of nonvolatile memory and volatile memory. The first control unit 26 wirelessly communicates with the second wireless communication device 30 by controlling the communication unit 22 . The first control unit 26 includes at least one of a CPU (Central Processing Unit) and an MPU (Micro Processing Unit). The first radio communication device 20 includes a power storage device 28 that stores power supplied from the second radio communication device 30 . Power storage device 28 includes at least one of a contactless rechargeable capacitor and a secondary battery. The first wireless communication device 20 further includes a housing 20A. Housing 20A accommodates communication unit 22, storage unit 24, first control unit 26, and power storage device 28 in an internal space of housing 20A.

The second wireless communication device 30 is configured separately from the second component CO2. The second wireless communication device 30 is electrically connected to the second component CO2 via a cable CA. The second wireless communication device 30 includes a communication section 32 , a storage section 34 and a second control section 36 . The communication unit 32 includes an antenna for transmitting and receiving radio waves and an oscillator for outputting radio waves of the output frequency of the second wireless communication device 30 . The oscillator may include, for example, at least one of a magnetron and a klystron. Hereinafter, the output frequency of the second radio communication device 30 may be referred to as a second output frequency. Preferably, the second output frequency is a frequency suitable for communication with the first wireless communication device 20 and power supply to the power storage device 28 of the first wireless communication device 20 . The storage unit 34 stores various control programs and information used for various control processes. The storage unit 34 includes, for example, at least one of nonvolatile memory and volatile memory. The second control unit 36 wirelessly communicates with the first wireless communication device 20 by controlling the communication unit 32 . The second control unit 36 includes at least one of CPU and MPU. The second wireless communication device 30 is electrically connected to the power supply device BT provided in the manpowered vehicle A. As shown in FIG. The second wireless communication device 30 further includes a housing 30A. The housing 30A accommodates the communication section 32, the storage section 34, and the second control section 36 in the internal space of the housing 30A.

The output frequency of the first radio communication device 20 is different from the output frequency of the second radio communication device 30 . In one example, the output frequency of the second radio communication device 30 is lower than the output frequency of the first radio communication device 20 . At least one of the output frequency of the first radio communication device 20 and the output frequency of the second radio communication device 30 is 3 GHz or higher. In one example, both the first output frequency and the second output frequency are 3 GHz or higher. At least one of the output frequency of the first radio communication device 20 and the output frequency of the second radio communication device 30 is less than 300 GHz. In one example, both the first output frequency and the second output frequency are less than 300 GHz. At least one of the output frequency of the first radio communication device 20 and the output frequency of the second radio communication device 30 is 30 GHz or higher. In one example, the first output frequency is 30 GHz or greater. The output frequency of the first radio communication device 20 is 30 GHz or more and less than 300 GHz. The output frequency of the second radio communication device 30 is 3 GHz or more and less than 30 GHz.

The first component CO1 and the second component CO2 are configured to operate electrically. In one example, the first component CO1 operates with power supplied from the second wireless communication device 30. FIG. Specifically, the power supplied from the second wireless communication device 30 to the first wireless communication device 20 is stored in the power storage device 28 of the first wireless communication device 20, and the power stored in the power storage device 28 of the first wireless communication device 20 It is supplied to the first component CO1. The second component CO2 operates by power supplied from the power supply device BT provided in the manpowered vehicle A. As shown in FIG.

With reference to FIG. 3, an example of the layout of each element constituting the wireless communication system 10 in the manpowered vehicle A will be described.
The manpowered vehicle A includes an interior space S. In one example, the interior space S of the human powered vehicle A includes the interior space S of the head tube A12, steering column SC, stem H2, and down tube A11. Manpowered vehicle A includes an inner surface IS that defines an interior space S. The inner surface IS of manpowered vehicle A includes the inner surface IS of head tube A12, steering column SC, stem H2, and down tube A11.

Head tube A12 includes an interior space S1. Head tube A12 includes an inner surface IS1 that defines an interior space S1. The head tube A12 further includes a top opening A121, a bottom opening A122, and a side opening A123. The upper end opening A121 is formed at the upper end A12U of the head tube A12. The lower end opening A122 is formed at the lower end A12L of the head tube A12. A side opening A123 is formed in the lower side A12S of the head tube A12. Each opening A121, A122, A123 opens the internal space S1 to the outside of the head tube A12.

The steering column SC is inserted into the internal space S1 of the head tube A12. In one example, the steering column SC is a tube. The steering column SC includes an interior space S2. Steering column SC includes an inner surface IS2 that defines an interior space S2. Steering column SC includes upper SC1, middle SC2, and lower SC3. An upper portion SC1 of the steering column SC is arranged outside the head tube A12 through an upper end opening A121 of the head tube A12. Middle part SC2 and lower part SC3 of steering column SC are arranged in internal space S1 of head tube A12. A steering column SC is supported by a support SP so as to be rotatable relative to the head tube A12. The support SP includes a first support SP1 and a second support SP2. The first support part SP1 is provided at the upper end opening A121. The second support part SP2 is provided at the lower end opening A122. The first support part SP1 and the second support part SP2 each include a bearing.

The steering column SC includes an opening SC4. A hole penetrating the steering column SC is formed in the opening SC4. The hole opens the internal space S2 of the steering column SC to the outside of the steering column SC. In one example, the opening SC4 includes a first opening SC41 and a second opening SC42. The first opening SC41 and the second opening SC42 are provided in different parts of the steering column SC. The first opening SC41 is provided on the side of the upper portion SC1 of the steering column SC. The second opening SC42 is provided on the side of the lower portion SC3 of the steering column SC.

Stem H2 includes attachment portion H21 and extension portion H22. The mounting portion H21 is a ring into which the steering column SC is inserted. The upper portion SC1 of the steering column SC is inserted into the hole of the mounting portion H21. The mounting portion H21 is fixed to the upper portion SC1 of the steering column SC. The extension H22 is a tube. The extension portion H22 connects to the side portion of the mounting portion H21. Extension H22 includes interior space S3 and opening H23. The extension H22 includes an inner surface IS3 that defines an interior space S3. The opening H23 opens the internal space S3 of the extension H22.

The first opening SC41 of the steering column SC is adjacent to the opening H23 of the extension H22 of the stem H2. The internal space S2 of the steering column SC is connected to the internal space S3 of the stem H2 through the opening H23 of the extension H22.

The first wireless communication device 20 is arranged in the interior space S so as to correspond to at least one of the handlebar H1 of the manpowered vehicle A and the stem H2 supporting the handlebar H1 to the steering column SC of the manpowered vehicle A. be. In one example, the first wireless communication device 20 is arranged in the internal space S3 of the stem H2. The first radio communication device 20 is arranged near the opening H23 in the internal space S3 of the stem H2. The first radio communication device 20 is fixed to the stem H2 by a fixing portion. The fixing parts are for example screws, bolts or adhesives. The fixing portion fixes the housing 20A of the first wireless communication device 20 to the stem H2. The fixing unit fixes the first wireless communication device 20 so that the first wireless communication device 20 does not move with respect to the stem H2 even when the stem H2 vibrates. A cable CA is connected to the first wireless communication device 20 . Cable CA is wired in internal space S3 of stem H2.

Down tube A11 includes an interior space S4. Downtube A11 includes an inner surface IS4 that defines an interior space S4. The downtube A11 further includes an opening A111. The opening A111 is formed at the end of the down tube A11. The side opening A123 of the head tube A12 is provided at a portion of the head tube A12 corresponding to the opening A111 of the down tube A11. The opening A111 of the down tube A11 is connected to the internal space S1 of the head tube A12 via the side opening A123 of the head tube A12.

The second wireless communication device 30 is arranged in the internal space S so as to correspond to the frame A1 of the manpowered vehicle A. As shown in FIG. In one example, the second wireless communication device 30 is arranged in the interior space S4 of the down tube A11. The second radio communication device 30 is arranged near the opening A111 in the inner space S4 of the down tube A11. The second radio communication device 30 is fixed to the down tube A11 by a fixing portion. The fixing parts are for example screws, bolts or adhesives. The fixing section fixes the housing 30A of the second wireless communication device 30 to the down tube A11. The fixing unit fixes the second wireless communication device 30 so that the second wireless communication device 30 does not move with respect to the down tube A11 even when the frame A1 vibrates. A cable CA is connected to the second radio communication device 30 . Cable CA is wired in internal space S4 of down tube A11.

The first radio communication device 20 communicates with the second radio communication device 30 via the interior space S of the manpowered vehicle A. The interior space S of the manpowered vehicle A communicates with the first radio communication device 20 and the second radio communication device. 30, including the propagation paths of radio signals propagating to and from. In one example, the propagation path is the interior space S3 of the stem H2, the opening H23 of the stem H2, the first opening SC41 of the steering column SC, the interior space S2 of the steering column SC, the second opening SC42 of the steering column SC, the head It is composed of an inner space S1 of the tube A12, an opening A111 of the down tube A11, and an inner space S4 of the down tube A11.

Manpowered vehicle A further includes a shield part SE. The shield part SE is made of a material that functions as an electromagnetic shield. A material forming the shield part SE is, for example, aluminum. In one example, the shield part SE is provided on the inner surface IS of the manpowered vehicle A that constitutes the propagation path. Specifically, the shield part SE is provided on the inner surface IS3 of the stem H2, the inner surface IS2 of the steering column SC, the inner surface IS1 of the head tube A12, and the inner surface IS4 of the down tube. The shield part SE is a coating layer provided on the inner surface IS of the manpowered vehicle A. As shown in FIG.

An example of control executed by the first control unit 26 will be described with reference to FIG.
In step S11, the first control unit 26 determines whether or not the operation device OD has been operated. Specifically, the first control unit 26 determines whether or not it has received an operation signal from the operation device OD. When the first control unit 26 determines in step S11 that the operation device OD has not been operated, it repeats the process of step S11. When the first control unit 26 determines in step S11 that the operation device OD has been operated, the process proceeds to step S12.

The first control unit 26 transmits a control signal corresponding to the operation signal from the operation device OD in step S12. The control signal is a radio wave having a first output frequency and includes information for operating the operating device OD and the corresponding operated device OT. Preferably, the first output frequency is greater than or equal to 30 GHz and less than 300 GHz. The first control unit 26 ends the control after step S12. The 1st control part 26 transmits the radio wave of a 1st output frequency to the 2nd radio|wireless communication apparatus 30 by performing step S11 and step S12.

An example of control executed by the second control unit 36 will be described with reference to FIG.
The second control unit 36 transmits radio waves to the first wireless communication device 20 in step S21. Specifically, the second control unit 36 transmits radio waves of the second output frequency from the communication unit 32 to the first wireless communication device 20 . The radio wave of the second output frequency supplies power to the power storage device 28 of the first wireless communication device 20 . Preferably, the second output frequency is greater than or equal to 3 GHz and less than 30 GHz. After completing step S21, the second control unit 36 proceeds to the process of step S22.

The second control unit 36 determines whether or not a control signal has been received in step S22. When determining in step S22 that the control signal has not been received, the second control unit 36 executes the process of step S22 again. When the second control unit 36 determines in step S22 that the control signal has been received, the process proceeds to step S23.

In step S23, the second control unit 36 controls the operated device OT according to the received control signal. Specifically, the second control unit 36 outputs an operation signal requesting an operation according to the received control signal to the operated device OT. After completing step S23, the second control unit 36 proceeds to the process of step S24.

In step S24, the second control unit 36 determines whether or not the operation of the operated device OT has been completed. Specifically, the second control unit 36 determines whether or not information indicating that the operation is completed has been received from the operated device OT. When the second control unit 36 determines in step S24 that the information indicating that the operation has completed has not been received, it executes the process of step S24 again. When the second control unit 36 determines in step S24 that the information indicating that the operation has been completed has been received, the process proceeds to step S25.

The second control unit 36 outputs radio waves of the second output frequency to the first wireless communication device 20 in step S25. The radio wave of the second output frequency that is output includes at least information that the operation of the operated device OT has been completed. Preferably, the radio wave of the second output frequency supplies power to the power storage device 28 of the first wireless communication device 20 . The second control unit 36 ends the control after step S25.

A control method in the radio communication system 10 will be described with reference to FIG.
The radio communication system 10 is electrically connected to the first radio communication device 20 electrically connected to the first component CO1 mounted on the manpowered vehicle A and the second component CO2 mounted to the manpowered vehicle A. and a second wireless communication device 30 that is The first component CO1 includes an operating device OD, the second component CO2 includes an operated device OT operated by the operating device OD, and the first wireless communication device 20 communicates through the interior space S of the manpowered vehicle A. to communicate with the second wireless communication device 30 . The control method in the wireless communication system 10 includes a step in which the second wireless communication device 30 supplies power to the first wireless communication device 20 in a contactless manner, a step in which the operation device OD receives an operation input, and a step in which the operation input is received. a step of transmitting a corresponding control signal by the first wireless communication device 20; a step of receiving the control signal by the second wireless communication device 30; and a step of operating the operated device OT according to the control signal. Prepare.

The second wireless communication device 30 supplies power to the first wireless communication device 20 in a contactless manner in step S31. Specifically, the second radio communication device 30 transmits radio waves of the second output frequency to the first radio communication device 20 .

The first wireless communication device 20 supplies power to the first component CO1 in step S32. The first component CO1 receives an operation input from the outside in step S33. Specifically, the operation device OD of the first component CO1 receives an operation input from the outside. When the operation device OD is operated, the first component CO1 transmits an operation signal corresponding to the operation content of the operation member of the operation device OD in step S34.

The first wireless communication device 20 transmits a control signal corresponding to the operation signal from the operation device OD to the second wireless communication device 30 in step S35. The control signal is composed of radio waves of the first output frequency.
The second wireless communication device 30 transmits an operation signal corresponding to the control signal from the first wireless communication device 20 to the second component CO2 in step S36.

The second component CO2 operates according to the operation signal in step S37. Specifically, the operated device OT, which is the second component CO2, operates based on the operation signal. In step S38, the second component CO2 transmits to the second wireless communication device 30 information indicating that the operation corresponding to the operation signal has been completed.

The second radio communication device 30 transmits radio waves of the second output frequency to the first radio communication device 20 in step S39. The radio wave of the second output frequency contains at least information that the operation for the control signal has been completed.
With the above processing, wireless communication between the first wireless communication device 20 and the second wireless communication device 30 is completed.

<Modification>
The description of the embodiment is an illustration of possible forms of the wireless communication system and control method according to the present invention, and is not intended to limit the forms. The radio communication system and control method according to the present invention can take, for example, modifications of the embodiments shown below, and combinations of at least two mutually consistent modifications. In the following modified examples, the same reference numerals as in the embodiment are given to the parts that are common to the embodiment, and the description thereof is omitted.

- The arrangement of the first wireless communication device 20 and the second wireless communication device 30 in the manpowered vehicle A can be arbitrarily changed. FIG. 7 shows the arrangement of the first radio communication device 20 and the second radio communication device 30 of the modification. The first wireless communication device 20 is provided in the internal space S5 of the handlebar H1. The second wireless communication device 30 is provided in the internal space S6 of the seat stay A14. A second opening SC42 of the steering column SC and a side opening A123 of the head tube A12 are provided at positions corresponding to the opening of the top tube A13. The propagation path is the internal space S5 of the handlebar H1, the internal space S3 of the stem H2, the opening H23 of the stem H2, the first opening SC41 of the steering column SC, the internal space S2 of the steering column SC, and the second opening SC41 of the steering column SC. It is composed of an opening SC42, an internal space S1 of the head tube A12, an internal space S7 of the top tube A13, and an internal space S6 of the seat stay A14. Preferably, the inner surface IS forming each internal space S5, S6 and S7 includes a shield portion SE.

- The first wireless communication device 20 and the first component CO1 may be configured in the same housing. In this case, the first wireless communication device 20 and the first component CO1 are electrically connected within the housing of the first component CO1.

- The second wireless communication device 30 and the second component CO2 may be configured in the same housing. In this case, the second wireless communication device 30 and the second component CO2 are electrically connected within the housing of the second component CO2.

- The type of human-powered vehicle A can be changed arbitrarily. In one example, human powered vehicle A is a road bike, mountain bike, cross bike, city cycle, cargo bike, recumbent, or kick scooter.

• 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... Radio|wireless communication system 20... 1st radio|wireless communication apparatus 28... Electric storage apparatus 30... 2nd radio|wireless communication apparatus A... Manpowered vehicle A1... Frame S... Interior space BT... Power supply apparatus CO1... 1st component, CO2... 2nd component, H1... handlebar, H2... stem, SC... steering column, OD... operation device, OD1... speed change operation device, OD2... braking operation device, OD3... suspension operation device, OD4... adjustable Seat post operation device OD5 Auxiliary drive operation device OT Operated device T Transmission BD Braking device SU Suspension ASP Adjustable seat post E Auxiliary drive device.

Claims (16)

a first wireless communication device electrically connected to a first component mounted on the manpowered vehicle;
a second wireless communication device electrically connected to a second component mounted on the manpowered vehicle;
at least one of the first wireless communication device and the second wireless communication device is disposed in an interior space of the manpowered vehicle;
The wireless communication system, wherein the output frequency of the first wireless communication device is different from the output frequency of the second wireless communication device. The wireless communication system according to claim 1, wherein the output frequency of said second wireless communication device is lower than the output frequency of said first wireless communication device. 3. The radio communication system according to claim 1, wherein the output frequency of said first radio communication device is 30 GHz or more and less than 300 GHz. The radio communication system according to any one of claims 1 to 3, wherein the output frequency of said second radio communication device is 3 GHz or more and less than 30 GHz. a first wireless communication device electrically connected to a first component mounted on the manpowered vehicle;
a second wireless communication device electrically connected to a second component mounted on the manpowered vehicle;
at least one of the first wireless communication device and the second wireless communication device is disposed in an interior space of the manpowered vehicle;
At least one of the output frequency of the first radio communication device and the output frequency of the second radio communication device is 3 GHz or higher. 6. The radio communication system according to claim 5, wherein at least one of the output frequency of said first radio communication device and the output frequency of said second radio communication device is 30 GHz or higher. 7. The radio communication system according to claim 5 or 6, wherein at least one of the output frequency of said first radio communication device and the output frequency of said second radio communication device is less than 300 GHz. The first wireless communication device is disposed in the interior space to correspond to at least one of a handlebar of the manpowered vehicle and a stem supporting the handlebar to a steering column of the manpowered vehicle. Item 8. The wireless communication system according to any one of Items 1 to 7. The wireless communication system according to any one of claims 1 to 8, wherein the second wireless communication device is arranged in the internal space so as to correspond to the frame of the manpowered vehicle. 10. The wireless communication system according to any one of claims 1 to 9, wherein said second component operates by power supplied from a power supply provided in said manpowered vehicle. 11. The wireless communication system according to any one of claims 1 to 10, wherein said first component operates on power supplied from said second wireless communication device. 12. The wireless communication system according to claim 11, wherein said first wireless communication device includes a power storage device that stores power supplied from said second wireless communication device. the first component includes an operating device;
13. The wireless communication system according to any one of claims 1 to 12, wherein said second component includes an operated device operated by said operating device. The operation device includes at least one of a shift operation device, a braking operation device, a suspension operation device, an adjustable seat post operation device, and an auxiliary drive operation device for operating an auxiliary drive device that outputs an auxiliary drive force. A wireless communication system according to claim 13. 15. The wireless communication system according to claim 13, wherein said operated device includes at least one of a transmission, a braking device, a suspension, an adjustable seat post, and an auxiliary driving device that outputs auxiliary driving force. a first wireless communication device electrically connected to a first component mounted on a manpowered vehicle; and a second wireless communication device electrically connected to a second component mounted on the manpowered vehicle. wherein the first component includes an operating device, the second component includes an operated device operated by the operating device, and at least one of the first wireless communication device and the second wireless communication device , a control method in a wireless communication system arranged in the interior space of the manpowered vehicle,
the second wireless communication device contactlessly supplying power to the first wireless communication device;
a step of receiving an operation input by the operation device;
a step in which the first wireless communication device transmits a control signal corresponding to the operation input;
receiving the control signal by the second wireless communication device;
and a step of operating the operated device according to the control signal.

Images