JP2020142583A - Radio communication system and control method - Google Patents

Abstract

To provide a radio communication system and control method, capable of reducing an influence of disturbance.SOLUTION: A radio communication system includes a first component installed on a human-power vehicle and a second component installed on the human-power drive vehicle. The first component includes a first radio communication apparatus and the second component includes a second radio communication apparatus. The first radio communication apparatus communicates with the second radio communication apparatus through an internal space of the human-power drive vehicle and an output frequency of the first radio communication apparatus is different from that of the second radio communication apparatus.SELECTED DRAWING: Figure 3

Description

The present invention relates to wireless communication systems and control methods.

A human-powered vehicle equipped with a system in which the operating device wirelessly communicates with the operated device is known. Patent Document 1 discloses a human-powered vehicle equipped with a system in which a transmission operating device wirelessly communicates with the transmission.

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

An object of the present invention is to provide a wireless communication system in which the influence of disturbance is reduced and a control method thereof.

A wireless communication system according to the first aspect of the present invention is electrically connected to a first wireless communication device electrically connected to a first component mounted on a human-powered vehicle and a second component mounted on the human-powered vehicle. The first wireless communication device communicates with the second wireless communication device via the internal space of the human-powered vehicle, and the output of the first wireless communication device includes a second wireless communication device connected to. The frequency is different from the output frequency of the second wireless 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 human-powered vehicle, the influence of disturbance is reduced.

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

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

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

A wireless communication system according to a fifth aspect of the present invention is electrically connected to a first wireless communication device electrically connected to a first component mounted on a human-powered vehicle and a second component mounted on the human-powered vehicle. The first wireless communication device communicates with the second wireless communication device via the internal space of the human-powered vehicle, and the output of the first wireless communication device includes a second wireless communication device connected to. The frequency and at least one of the output frequencies of the second wireless communication device are 3 GHz or more.
According to the wireless communication system of the fifth aspect, since at least one of the output frequency of the first wireless communication device and the output frequency of the second wireless communication device is 3 GHz or more, the first wireless communication device and the second wireless communication device Can preferably communicate with.

In the wireless communication system of the sixth aspect according to the fifth aspect, at least one of the output frequency of the first wireless communication device and the output frequency of the second wireless communication device is 30 GHz or more.
According to the wireless communication system of the sixth 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 seventh aspect according to the fifth or sixth aspect, at least one of the output frequency of the first wireless communication device and the output frequency of the second wireless 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 side according to any one of the first to seventh sides, the first wireless communication device uses the handlebar of the human-powered vehicle and the handlebar as the steering column of the human-powered vehicle. It is arranged in the internal space so as to correspond to at least one of the stems supporting the.
According to the wireless communication system on the eighth side, at least a part of the first wireless communication device is arranged in the internal space, so that communication can be preferably performed via the internal space of the human-powered vehicle.

In the wireless communication system on the ninth side according to any one of the first to eighth sides, the second wireless communication device is arranged in the internal space so as to correspond to the frame of the human-powered vehicle.
According to the wireless communication system of the ninth aspect, since at least a part of the second wireless communication device is arranged in the internal space, it is possible to preferably communicate via the internal space of the human-powered vehicle.

In the wireless communication system of the tenth aspect according to any one of the first to ninth aspects, the second component operates by the electric power supplied from the electric power supply device provided in the human-powered vehicle.
According to the wireless communication system of the tenth aspect, the second component can operate suitably.

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

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 electric power supplied from the second wireless communication device.
According to the wireless communication system of the twelfth aspect, the first wireless communication device can operate suitably.

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 is an operated device operated by the operating device. Including.
According to the wireless communication system of the thirteenth aspect, the operated device can be suitably operated by the operating device.

In the wireless communication system on the 14th side according to the 13th side surface, the operating device operates a speed change operating device, a braking operating device, a suspension operating device, an adjustable seat post operating device, and an auxiliary driving device that outputs an auxiliary driving force. Includes at least one of the auxiliary drive operating devices for
According to the wireless communication system of the 14th aspect, the operated device can be suitably 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 seatpost, 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 suitably operated by the operating device.

The control method in the wireless communication system according to the 16th aspect of the present invention includes a first wireless communication device electrically connected to a first component mounted on the human-powered vehicle and a second component mounted on the human-powered vehicle. The first component includes an operating device, the second component includes an operated device operated by the operating device, and the first component includes a second wireless communication device electrically connected to the operating device. The wireless communication device is a control method in a wireless communication system that communicates with the second wireless communication device via the internal space of the human-powered vehicle, and the second wireless communication device is used as the first wireless communication device. A step of non-contactly supplying power, a step of receiving an operation input by the operation device, a step of transmitting a control signal corresponding to the operation input by the first wireless communication device, and a step of transmitting the control signal. It includes a step of receiving the second wireless communication device and a step of operating the operated device in response to the control signal.
According to the control method of the 16th 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.

A side view of a human-powered vehicle including the wireless communication system of the embodiment. A block diagram showing various elements of a wireless communication system. A partial cross-sectional view showing the steering column of FIG. 1 and its surroundings. The flowchart of the process executed by the 1st control unit. The flowchart of the process executed by the 2nd control unit. The sequence diagram which shows the operation order of the 1st wireless communication apparatus and the 2nd wireless communication apparatus in a wireless communication system. Side view of a human-powered vehicle including a modified wireless communication system.

<Embodiment>
A human-powered vehicle A including the wireless communication system 10 will be described with reference to FIG.
Here, the human-powered vehicle means a vehicle that uses human power at least partially with respect to a driving force for traveling, and includes a vehicle that electrically assists human power. Vehicles that use only driving forces other than human power are not included in human-powered vehicles. In particular, vehicles that use only an internal combustion engine as a driving force are not included in human-powered vehicles. Normally, a small light vehicle is assumed as a human-powered vehicle, and a vehicle that does not require a license to drive on a public road is assumed. The illustrated human-powered vehicle A is a bicycle including an auxiliary drive device E that assists the propulsion of the human-powered vehicle A by using electric energy. Specifically, the human-powered vehicle A shown in the figure is a trekking motorcycle. The human-powered vehicle A further includes a frame A1, a front wheel support device A2, a front wheel WF, a rear wheel 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. The frame A1 includes a down tube A11, a head tube A12, a top tube A13, and a seat stay A14. The steering mechanism H includes a handlebar H1 and a stem H2 that supports the handlebar H1.

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

The front sprocket assembly D1 is provided on one crank arm C2 so as to rotate integrally with the crankshaft C1. The front sprocket assembly D1 includes a plurality of front sprocket D11s. The rear sprocket assembly D2 is provided on the hub HR of the rear wheel WR. The 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. The human-powered driving force applied to the pedal PD by the rider on board the human-powered vehicle A is transmitted to the rear wheel WR via the front sprocket assembly D1, the chain D3, and the rear sprocket assembly D2.

The human-powered vehicle A further includes a first component CO1 and a second component CO2. The first component CO1 includes the operating device OD. The operating device OD is provided on, for example, the handlebar H1. As shown in FIG. 2, the operation device OD operates the speed change operation device OD1, the braking operation device OD2, the suspension operation device OD3, the adjustable seat post operation device OD4, and the auxiliary drive device that outputs the auxiliary drive force. Includes at least one of the auxiliary drive operating devices 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 operation content of the rider. The operating member includes at least one of a lever and a button.

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

The transmission T includes an external transmission. In one example, the transmission T includes at least one of a front derailleur TF and a rear derailleur TR. The front derailleur TF is provided near the front sprocket assembly D1 of the frame A1. The front derailleur TF changes the front sprocket D11 around which the chain D3 is wound, so that the gear ratio of the human-powered vehicle A is changed. The rear derailleur TR is provided on the rear end A3 of the frame A1. The rear derailleur TR changes the rear sprocket D21 around which the chain D3 is wound, so that the gear ratio of the human-powered vehicle A is changed. In one example, the transmission T is electrically driven based on the operation signal output in response to the operation of the transmission operation 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 includes a braking device BD corresponding to the number of wheels W. The wheel W includes a front wheel WF and a rear wheel WR. The braking device BD includes a braking device BD corresponding to the front wheel WF and a braking device BD corresponding to the rear wheel WR. The two braking devices BD may have similar configurations to each other. The braking device BD is, for example, a rim braking device that brakes the rim R of the human-powered vehicle A. In one example, the corresponding braking device BD is electrically driven based on the operating signal output in response to the operation of the braking operating device OD2. The braking device BD may be a disc brake device that brakes the disc brake rotor mounted on the human-powered vehicle A.

Suspension SU includes at least one of front suspension SF and rear suspension. The front suspension SF operates so that the impact on the front wheel WF from the ground is alleviated. The rear suspension operates so that the impact on the rear wheel WR from the ground is mitigated. In one example, the corresponding suspension SU is electrically driven in response 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 operating device OD3.

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

The auxiliary drive device E operates so that the propulsive force of the human-powered vehicle A is assisted. The auxiliary drive device E operates according to, for example, a human-powered driving force applied to the pedal PD. The auxiliary drive device 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 wireless communication system 10 will be described with reference to FIG.
The wireless communication system 10 is electrically connected to the first wireless communication device 20 electrically connected to the first component CO1 mounted on the human-powered vehicle A and the second component CO2 mounted on the human-powered vehicle A. The second wireless communication device 30 is included.

In the present 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 unit 22, a storage unit 24, and a first control unit 26. The communication unit 22 includes an antenna for transmitting and receiving radio waves and an oscillator that outputs radio waves having an output frequency of the first wireless communication device 20. The oscillator may include, for example, a gallium arsenide high electron mobility transistor or an oscillator using a silicon germanium bipolar transistor. Hereinafter, the output frequency of the first wireless communication device 20 may be referred to as a first output frequency. Preferably, the first output frequency is a frequency suitable for communication with the second wireless communication device 30, and 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 a non-volatile memory and a 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 wireless communication device 20 includes a power storage device 28 that stores electric power supplied from the second wireless communication device 30. The power storage device 28 includes at least one of a non-contact rechargeable capacitor and a secondary battery. The first wireless communication device 20 further includes a housing 20A. The housing 20A accommodates the communication unit 22, the storage unit 24, the first control unit 26, and the power storage device 28 in the internal space of the 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 the cable CA. The second wireless communication device 30 includes a communication unit 32, a storage unit 34, and a second control unit 36. The communication unit 32 includes an antenna for transmitting and receiving radio waves and an oscillator that outputs radio waves having an output frequency of the second wireless communication device 30. The oscillator may include, for example, at least one of a magnetron and a klystron. In the following, the output frequency of the second wireless 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 supply of electric power to the power storage device 28 of the first wireless communication device 20. The storage unit 34 stores information used for various control programs and various control processes. The storage unit 34 includes, for example, at least one of a non-volatile memory and a 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 a CPU and an MPU. The second wireless communication device 30 is electrically connected to the power supply device BT provided in the human-powered vehicle A. The second wireless communication device 30 further includes a housing 30A. The housing 30A accommodates the communication unit 32, the storage unit 34, and the second control unit 36 in the internal space of the housing 30A.

The output frequency of the first wireless communication device 20 is different from the output frequency of the second wireless communication device 30. In one example, the output frequency of the second wireless communication device 30 is smaller than the output frequency of the first wireless communication device 20. At least one of the output frequency of the first wireless communication device 20 and the output frequency of the second wireless communication device 30 is 3 GHz or higher. In one example, the first output frequency and the second output frequency are both 3 GHz or higher. At least one of the output frequency of the first wireless communication device 20 and the output frequency of the second wireless 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 wireless communication device 20 and the output frequency of the second wireless communication device 30 is 30 GHz or more. In one example, the first output frequency is 30 GHz or higher. The output frequency of the first wireless communication device 20 is 30 GHz or more and less than 300 GHz. The output frequency of the second wireless 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 is operated by the electric power supplied from the second wireless communication device 30. 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 is stored from the power storage device 28 of the first wireless communication device 20. It is supplied to the first component CO1. The second component CO2 is operated by the electric power supplied from the electric power supply device BT provided in the human-powered vehicle A.

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

The head tube A12 includes an internal space S1. The head tube A12 includes an inner surface IS1 that forms an internal space S1. The head tube A12 further includes an upper end opening A121, a lower end 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 in the lower end A12L of the head tube A12. The side opening A123 is formed in the lower side A12S of the head tube A12. The openings A121, A122, and A123 open 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 internal space S2. The steering column SC includes an inner surface IS2 that forms an internal space S2. The steering column SC includes an upper SC1, a middle SC2, and a lower SC3. The upper SC1 of the steering column SC is arranged outside the head tube A12 via the upper end opening A121 of the head tube A12. The central SC2 and lower SC3 of the steering column SC are arranged in the internal space S1 of the head tube A12. The steering column SC is supported by the support portion SP so that it can rotate with respect to the head tube A12. The support portion SP includes a first support portion SP1 and a second support portion SP2. The first support portion SP1 is provided in the upper end opening A121. The second support portion SP2 is provided in the lower end opening A122. The first support portion SP1 and the second support portion 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 at different parts of the steering column SC. The first opening SC41 is provided on the side of the upper SC1 of the steering column SC. The second opening SC42 is provided on the side of the lower SC3 of the steering column SC.

The stem H2 includes a mounting portion H21 and an extension portion H22. The mounting portion H21 is a ring into which the steering column SC is inserted. The upper 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 SC1 of the steering column SC. The extension H22 is a tube. The extension portion H22 is connected to the side portion of the attachment portion H21. The extension portion H22 includes an internal space S3 and an opening portion H23. The extension portion H22 includes an inner surface IS3 that forms the internal 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 via the opening H23 of the extension portion H22.

The first wireless communication device 20 is arranged in the internal space S so as to correspond to at least one of the handlebar H1 of the human-powered vehicle A and the stem H2 that supports the handlebar H1 on the steering column SC of the human-powered vehicle A. To. In one example, the first wireless communication device 20 is arranged in the internal space S3 of the stem H2. The first wireless communication device 20 is arranged near the opening H23 in the internal space S3 of the stem H2. The first wireless communication device 20 is fixed to the stem H2 by the fixing portion. The fixing part is, for example, a screw, a bolt, or an adhesive. The fixing portion fixes the housing 20A of the first wireless communication device 20 to the stem H2. The fixing portion 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. The cable CA is wired in the internal space S3 of the stem H2.

The down tube A11 includes an internal space S4. The down tube A11 includes an inner surface IS4 that forms an internal space S4. The down tube 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 human-powered vehicle A. In one example, the second wireless communication device 30 is arranged in the internal space S4 of the down tube A11. The second wireless communication device 30 is arranged near the opening A111 in the internal space S4 of the down tube A11. The second wireless communication device 30 is fixed to the down tube A11 by the fixing portion. The fixing part is, for example, a screw, a bolt, or an adhesive. The fixing portion fixes the housing 30A of the second wireless communication device 30 to the down tube A11. The fixing portion 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 wireless communication device 30. The cable CA is wired in the internal space S4 of the down tube A11.

The first wireless communication device 20 communicates with the second wireless communication device 30 via the internal space S of the human-powered vehicle A. The internal space S of the human-powered vehicle A communicates with the first wireless communication device 20 and the second wireless communication device. Includes a propagation path for radio signals propagating to and from 30. In one example, the propagation paths are 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, the second opening SC42 of the steering column SC, and the head. It is composed of the internal space S1 of the tube A12, the opening A111 of the down tube A11, and the internal space S4 of the down tube A11.

The human-powered vehicle A further includes a shield portion SE. The shield portion SE is composed of a material that functions as an electromagnetic shield. The material constituting the shield portion SE is, for example, aluminum. In one example, the shield portion SE is provided on the inner surface IS of the human-powered vehicle A that constitutes the propagation path. Specifically, the shield portion 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 portion SE is a coating layer provided on the inner surface IS of the human-powered vehicle A.

An example of the 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 the operation signal from the operation device OD has been received. When the first control unit 26 determines in step S11 that the operation device OD is not operated, the first control unit 26 repeats the process of step S11. When the first control unit 26 determines in step S11 that the operating device OD has been operated, the first control unit 26 shifts to the process of step S12.

In step S12, the first control unit 26 transmits a control signal corresponding to the operation signal from the operation device OD. The control signal is a radio wave having a first output frequency, which includes information for operating the operated device OT corresponding to the operating device OD. 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 the end of step S12. By executing steps S11 and S12, the first control unit 26 transmits a radio wave having a first output frequency to the second wireless communication device 30.

An example of the 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 a radio wave having a second output frequency from the communication unit 32 to the first wireless communication device 20. The radio wave of the second output frequency supplies electric 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 the end of step S21, the second control unit 36 shifts to the process of step S22.

In step S22, the second control unit 36 determines whether or not a control signal has been received. When the second control unit 36 determines 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 second control unit 36 shifts to the process of 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 the end of step S23, the second control unit 36 shifts 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 is completed. Specifically, the second control unit 36 determines whether or not the operation completed information has been received from the operated device OT. If it is determined in step S24 that the information that the operation has been completed has not been received, the second control unit 36 re-executes the process of step S24. When the second control unit 36 determines in step S24 that the information that the operation has been completed has been received, the second control unit 36 shifts to the process of step S25.

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

A control method in the wireless communication system 10 will be described with reference to FIG.
The wireless communication system 10 is electrically connected to the first wireless communication device 20 electrically connected to the first component CO1 mounted on the human-powered vehicle A and the second component CO2 mounted on the human-powered vehicle A. The second wireless communication device 30 is provided. The first component CO1 includes the operating device OD, the second component CO2 includes the operated device OT operated by the operating device OD, and the first wireless communication device 20 is via the internal space S of the human-powered vehicle A. Communicates 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 non-contact manner, a step in which the operation device OD receives an operation input, and an operation input. A step of transmitting the 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. Be prepared.

In step S31, the second wireless communication device 30 supplies power to the first wireless communication device 20 in a non-contact manner. Specifically, the second wireless communication device 30 transmits a radio wave having a second output frequency to the first wireless communication device 20.

The first wireless communication device 20 supplies electric 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.

In step S35, 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. The control signal is composed of radio waves having a first output frequency.
In step S36, 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.

The second component CO2 operates in response 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 information that the operation corresponding to the operation signal is completed to the second wireless communication device 30.

In step S39, the second wireless communication device 30 transmits a radio wave having a second output frequency to the first wireless communication device 20. The radio wave of the second output frequency includes at least the information that the operation for the control signal is completed.
By the above processing, the wireless communication between the first wireless communication device 20 and the second wireless communication device 30 is completed.

<Modification example>
The description of the embodiments is an example of possible embodiments of the wireless communication system and control method according to the present invention, and is not intended to limit the embodiments. The wireless communication system and control method according to the present invention may take, for example, a modification of the embodiment shown below and a combination of at least two variants that are consistent with each other. In the following modification, the parts common to the embodiment are designated by the same reference numerals as those in the embodiment, and the description thereof will be omitted.

The arrangement of the first wireless communication device 20 and the second wireless communication device 30 in the human-powered vehicle A can be arbitrarily changed. FIG. 7 shows the arrangement of the first wireless communication device 20 and the second wireless communication device 30 of the modified example. 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. The second opening SC42 of the steering column SC and the side opening A123 of the head tube A12 are provided at locations corresponding to the openings of the top tube A13. The propagation paths are 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 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 of the internal spaces 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 in 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 in the housing of the second component CO2.

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

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

10 ... wireless communication system, 20 ... first wireless communication device, 28 ... power storage device, 30 ... second wireless communication device, A ... human-powered vehicle, A1 ... frame, S ... internal space, BT ... power supply device, CO1 ... 1st component, CO2 ... 2nd component, H1 ... Handlebar, H2 ... Stem, SC ... Steering column, OD ... Operating device, OD1 ... Shift operating device, OD2 ... Braking operating device, OD3 ... Suspension operating device, OD4 ... Adjustable Seatpost operating device, OD5 ... Auxiliary drive operating device, OT ... Operated device, T ... Transmission device, BD ... Braking device, SU ... Suspension, ASP ... Adjustable seatpost, E ... Auxiliary drive device.

Claims (16)

A first wireless communication device that is electrically connected to the first component mounted on a human-powered vehicle,
Includes a second wireless communication device that is electrically connected to a second component mounted on the human-powered vehicle.
The first wireless communication device communicates with the second wireless communication device via the internal space of the human-powered vehicle, and the first wireless communication device communicates with the second wireless communication device.
A wireless communication system in which 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 the second wireless communication device is smaller than the output frequency of the first wireless communication device. The wireless communication system according to claim 1 or 2, wherein the output frequency of the first wireless communication device is 30 GHz or more and less than 300 GHz. The wireless communication system according to any one of claims 1 to 3, wherein the output frequency of the second wireless communication device is 3 GHz or more and less than 30 GHz. A first wireless communication device that is electrically connected to the first component mounted on a human-powered vehicle,
Includes a second wireless communication device that is electrically connected to a second component mounted on the human-powered vehicle.
The first wireless communication device communicates with the second wireless communication device via the internal space of the human-powered vehicle, and the first wireless communication device communicates with the second wireless communication device.
A wireless communication system in which at least one of the output frequency of the first wireless communication device and the output frequency of the second wireless communication device is 3 GHz or higher. The wireless communication system according to claim 5, wherein at least one of the output frequency of the first wireless communication device and the output frequency of the second wireless communication device is 30 GHz or more. The wireless communication system according to claim 5 or 6, wherein at least one of the output frequency of the first wireless communication device and the output frequency of the second wireless communication device is less than 300 GHz. The first wireless communication device is arranged in the internal space so as to correspond to at least one of the handlebars of the human-powered vehicle and the stems that support the handlebars on the steering column of the human-powered vehicle. Item 2. 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 human-powered vehicle. The wireless communication system according to any one of claims 1 to 9, wherein the second component is operated by electric power supplied from a power supply device provided in the human-powered vehicle. The wireless communication system according to any one of claims 1 to 10, wherein the first component is operated by electric power supplied from the second wireless communication device. The wireless communication system according to claim 11, wherein the first wireless communication device includes a power storage device that stores electric power supplied from the second wireless communication device. The first component includes an operating device.
The wireless communication system according to any one of claims 1 to 12, wherein the second component includes a device to be operated by the operating device. The operating device includes at least one of a speed change operating device, a braking operating device, a suspension operating device, an adjustable seat post operating device, and an auxiliary driving operating device for operating an auxiliary driving device that outputs an auxiliary driving force. The wireless communication system according to claim 13. The wireless communication system according to claim 13 or 14, wherein the 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 an auxiliary driving force. A first wireless communication device that is electrically connected to the first component mounted on the human-powered vehicle and a second wireless communication device that is electrically connected to the second component mounted on the human-powered vehicle. The first component includes an operating device, the second component includes a device to be operated by the operating device, and the first wireless communication device is via the internal space of the human-powered vehicle. A control method in a wireless communication system that communicates with the second wireless communication device.
A step in which the second wireless communication device non-contactly supplies electric power to the first wireless communication device,
The step of receiving the operation input by the operation device and
A step in which the first wireless communication device transmits a control signal corresponding to the operation input, and
The step of receiving the control signal by the second wireless communication device,
A control method including a step in which the operated device operates in response to the control signal.