DE102019113402A1 - Electronic device - Google Patents

Abstract

An object of the present disclosure is to provide an electronic device comprising an assembly of electronic components and coils different from a typical arrangement, an electronic device including a first substrate coupled to a non-rotating body, and an electronic device A first coil provided on the first substrate, a second coil provided on the second substrate and magnetically coupled to the first coil, a first electronic component provided on the first substrate and electrically connected to the first coil, and one on the first coil Having second substrate provided and electrically connected to the second coil second electronic component. The first substrate includes a first substrate surface at least partially facing the second substrate and a second substrate surface facing a side opposite the first substrate surface. The second substrate includes a third substrate surface at least partially facing the first substrate, and a fourth substrate surface facing a side opposite the third substrate surface. At least one of an arrangement state of the first electronic component in which the first electronic component is disposed on the first substrate surface and an arrangement state of the second electronic component in which the second electronic component is disposed on the third substrate surface is satisfied.

Description

BACKGROUND

This application claims the priority of the JP patent application JP 2018-104484 , which was submitted on May 31, 2018. The entire disclosure of the JP patent application JP 2018-104484 is hereby incorporated herein by reference.

The present disclosure relates to an electronic device that transmits and receives at least one of a signal and power via a wireless communication.

The WO 2015/108152 discloses an apparatus in which a power transmission coil and a power receiving coil are magnetically coupled together so that power is supplied to the power receiving coil from the power transmission coil. In the WO 2015/108152 For example, the power transmission coil is formed on a substrate surface of a power transmission substrate that faces a power receiving substrate, and a power transmission circuit component is mounted on the other substrate surface of the power transmission substrate. In addition, in the WO 2015/108152 the power receiving coil is formed by a conductive pattern on a substrate surface of the power receiving substrate facing the power receiving substrate, and a power receiving circuit component is mounted on the other substrate surface of the power receiving substrate.

SUMMARY

An object of the present disclosure is to provide an electronic device having an arrangement of electronic components and coils that is different from a typical device.

An electronic device according to a first aspect of the present disclosure includes a first substrate coupled to a non-rotating body, a second substrate coupled to a rotating body, a first coil provided on the first substrate, one provided on the second substrate, and magnetically connected to the first coil coupled second coil, a provided on the first substrate and electrically connected to the first coil first electronic component and provided on the second substrate and electrically connected to the second coil second electronic component. The first substrate includes a first substrate surface at least partially facing the second substrate and a second substrate surface facing a side opposite the first substrate surface. The second substrate includes a third substrate surface at least partially facing the first substrate, and a fourth substrate surface facing a side opposite the third substrate surface. At least one of an arrangement state of the first electronic component in which the first electronic component is disposed on the first substrate surface and an arrangement state of the second electronic component in which the second electronic component is disposed on the third substrate surface is satisfied.

In the electronic device according to the first aspect, an electronic component is disposed on at least one of the first substrate surface and the third substrate surface. Thus, at least one of the first substrate surface and the third substrate surface is effectively used.

According to a second aspect of the present disclosure, the electronic device according to the first aspect is arranged such that the first substrate surface includes a first facing surface facing the second substrate and a first non-facing surface not facing the second substrate , The first electronic component is disposed in the arrangement state of the first electronic component on the first non-facing surface.

With the electronic device according to the second aspect, the gap between the first substrate and the second substrate is narrowed.

According to a third aspect of the present disclosure, the electronic device according to the first or second aspect is arranged such that the third substrate surface has a second facing surface facing the first substrate and a second non-facing surface not facing the first substrate , contains. The second electronic component is disposed in the arrangement state of the second electronic component on the second non-facing surface.

In the electronic device according to the third aspect, the gap between the first substrate and the second substrate is narrowed.

An electronic device according to a fourth aspect of the present disclosure includes a first substrate coupled to a non-rotating body, a second substrate coupled to a rotating body, a first coil provided on the first substrate, one provided on the second substrate, and magnetically connected to the first coil coupled second coil, a provided on the first substrate and electrically connected to the first coil first electronic component and provided on the second substrate and electrically connected to the second coil second electronic component. The first electronic component includes a first terminal and a body of the first electronic component. The second electronic component includes a second terminal and a body of the second electronic component. At least one of a first embedding state in which the first coil is at least partially embedded in the first substrate, a second embedding state in which the second coil is at least partially embedded in the second substrate, a third embedding state, in the body of the first electronic component is at least partially embedded in the first substrate, and a fourth embedding state in which body of the second electronic component is at least partially embedded in the second substrate is satisfied.

In the electronic device according to the fourth aspect, at least one of the first coil, the second coil, the first electronic component and the second electronic component is at least partially protected by the first substrate or the second substrate.

According to a fifth aspect of the present disclosure, the electronic device according to the fourth aspect is arranged so that the first coil is completely embedded in the first substrate in the first embedding state, the second coil is completely embedded in the second substrate in the second embedding state, the body of the second coil first electronic component in the third embedding state is completely embedded in the first substrate, and the body of the second electronic component in the fourth embedding state is completely embedded in the second substrate.

In the electronic device according to the fifth aspect, at least one of the first coil, the second coil, the first electronic component, and the second electronic component is completely protected by the first substrate or the second substrate.

According to a sixth aspect of the present disclosure, the electronic device according to the fourth aspect is arranged such that the first substrate has a first substrate surface at least partially facing the second substrate and a second substrate surface facing one side, that of the first substrate surface opposite. The second substrate includes a third substrate surface at least partially facing the first substrate and a fourth substrate surface facing a side opposite the third substrate surface.

In the electronic device according to the sixth aspect, the first substrate and the second substrate are at least partially facing each other. This increases the efficiency of transmission between the coils.

An electronic device according to a seventh aspect of the present invention includes a first substrate coupled to a non-rotating body, a second substrate coupled to a rotating body, a first coil provided on the first substrate, one provided on the second substrate, and magnetically connected to the first coil coupled second coil, a provided on the first substrate and electrically connected to the first coil first electronic component and provided on the second substrate and electrically connected to the second coil second electronic component. The first substrate includes a first substrate surface at least partially facing the second substrate and a second substrate surface facing a side opposite the first substrate surface. The second substrate includes a third substrate surface at least partially facing the first substrate and a fourth substrate surface facing a side opposite the third substrate surface. At least one of an arrangement state of the first coil in which the first coil is disposed on the second substrate surface and an arrangement state of the second coil in which the second coil is disposed on the fourth substrate surface is satisfied.

In the electronic device according to the seventh aspect, the first coil does not contact the second coil.

According to an eighth aspect of the present disclosure, the electronic device according to the seventh aspect is arranged so that the first electronic component is provided on the second substrate surface.

In the electronic device according to the eighth aspect, the contact of the first electronic component with the second substrate is limited.

According to a ninth aspect of the present disclosure, the electronic device according to the seventh or eighth aspect is arranged so that the second electronic component is provided on the fourth substrate surface.

In the electronic device according to the ninth aspect, the contact of the second electronic component with the first substrate is limited.

According to a tenth aspect of the present disclosure, the electronic device according to any one of the sixth to ninth aspects is arranged such that the first substrate surface has a first facing surface facing the second substrate and a first non-facing surface not facing the second substrate facing, contains. The first electronic component is disposed on the first non-facing surface.

In the electronic device according to the tenth aspect, the contact of the first electronic component with the second substrate is limited.

According to an eleventh aspect of the present disclosure, the electronic device according to any one of the sixth to tenth aspects is arranged such that the third substrate surface has a second facing surface facing the first substrate and a second non-facing surface other than the first substrate facing, contains. The second electronic component is disposed on the second non-facing surface.

In the electronic device according to the eleventh aspect, the contact of the second electronic component with the first substrate is limited.

According to a twelfth aspect of the present disclosure, the electronic device according to any of the first to third and sixth to eleventh aspects is arranged such that the first coil is disposed on the first substrate surface.

In the electronic device according to the twelfth aspect, the distance between the first coil and the second coil is shortened as compared with a case where the first coil is disposed on the second substrate surface.

According to a thirteenth aspect of the present disclosure, the electronic device according to any one of the first to third and sixth to eleventh aspects is arranged such that the second coil is disposed on the third substrate surface.

In the electronic device according to the thirteenth aspect, the distance between the first coil and the second coil is shortened as compared with a case where the second coil is disposed on the fourth substrate surface.

According to a fourteenth aspect of the present disclosure, the electronic device according to any one of the first to thirteenth aspects further includes a connector provided on the first substrate.

With the electronic device according to the fourteenth aspect, another electronic component can be connected to the second substrate via the connector.

According to a fifteenth aspect of the present disclosure, the electronic device according to any one of the first to third and sixth to thirteenth aspects further comprises a connector provided on the first substrate. The connector is disposed on the second substrate surface.

With the electronic device according to the fifteenth aspect, another electronic component located on one side of the fourth substrate surface can be easily connected to the second substrate.

According to a sixteenth aspect of the present disclosure, the electronic device according to any one of the first to fifteenth aspects further comprises a motor that promotes the propulsion of a human powered vehicle and a controller that is provided on the first substrate. The controller controls the engine.

In the electronic device according to the sixteenth aspect, the motor is controlled.

According to a seventeenth aspect of the present disclosure, the electronic device according to any one of the first to sixteenth aspects is arranged such that the non-rotating body further includes a housing and the first substrate is coupled to the housing.

In the electronic device according to the seventeenth aspect, the position of the first substrate is stabilized.

An electronic device according to an eighteenth aspect of the present disclosure includes a first substrate coupled to a non-rotating body, a second substrate coupled to a rotating body, a third substrate electrically connected to the first substrate, a first coil provided on the first substrate second coil provided to the second substrate and magnetically coupled to the first coil, a first electronic component provided on the third substrate and electrically connected to the first coil, and a second electronic component provided on the second substrate and electrically connected to the second coil.

With the electronic device according to the eighteenth aspect, the number of electronic components arranged on the first substrate is reduced.

According to a nineteenth aspect of the present disclosure, the electronic device according to the eighteenth aspect is arranged such that the first substrate has a first substrate surface at least partially facing the second substrate and a second substrate surface facing one side, that of the first substrate surface opposite. The third substrate is coupled to the second substrate surface.

In the electronic device according to the nineteenth aspect, the degree of freedom for arranging the third substrate with respect to the second substrate is increased as compared with a case where the third substrate is coupled with the first substrate surface.

According to a twentieth aspect of the present disclosure, the electronic device according to the eighteenth aspect is arranged such that the first substrate has a first substrate surface at least partially facing the second substrate and a second substrate surface facing a side opposite to the first substrate surface opposite. The third substrate is coupled to the first substrate surface.

In the electronic device according to the twentieth aspect, another electronic component is easily arranged on one side of the second substrate surface of the first substrate.

According to a twenty-first aspect of the present disclosure, the electronic device according to any one of the eighteenth to twentieth aspects is arranged such that the third substrate is coupled to the first substrate through a connector.

In the electronic device according to the twenty-first aspect, the first substrate is easily connected to the third substrate.

According to a twenty-second aspect of the present disclosure, the electronic device according to any one of the eighteenth to the twenty-first aspect is arranged such that the non-rotating body further includes a housing. The first substrate and the third substrate are coupled to the housing.

With the electronic device according to the twenty-second aspect, the positions of the first substrate and the third substrate are stabilized.

According to a twenty-third aspect of the present disclosure, the electronic device according to any one of the eighteenth to twenty-second aspects further includes a motor that supports the propulsion of a human powered vehicle and a controller that is provided on the third substrate. The controller controls the engine.

In the electronic device according to the twenty-third aspect, the motor is controlled.

According to a twenty-fourth aspect of the present disclosure, the electronic device according to any one of the first to twenty-third aspects is arranged such that the rotating body includes at least one of a crank arm, a crankshaft, a sensor support member provided on the crankshaft, and a hub body.

With the electronic device according to the twenty-fourth aspect, at least one of power transmission and communication between the first substrate and the second substrate coupled to at least one of the crank arm, the crankshaft, the sensor support member provided on the crankshaft, and the hub body may be performed ,

According to a twenty-fifth aspect of the present disclosure, the electronic device according to any one of the first to twenty-fourth aspects is arranged such that the first coil transmits power to the second coil.

In the electronic device according to the twenty-fifth aspect, power is supplied to the second electronic component connected to the second coil.

According to a twenty-sixth aspect of the present disclosure, the electronic device according to any one of the first to twenty-fifth aspects is arranged such that the first coil and the second coil transmit and receive a communication signal.

In the electronic device according to the twenty-sixth aspect, communication between the first substrate and the second substrate is performed.

According to a twenty-seventh aspect of the present disclosure, the electronic device according to any one of the first to twenty-sixth aspect is arranged such that a distance between the first substrate and the second substrate is greater than or equal to 0.1 mm and less than 2.0 mm.

In the electronic device according to the twenty-seventh aspect, while the contact of the first substrate with the second substrate is limited, the magnetic coupling of the first coil and the second coil is amplified.

According to a twenty-eighth aspect of the present disclosure, the electronic device according to any one of the first to twenty-seventh aspects further includes a sensor provided on the rotary body. The sensor is electrically connected to the first electronic component.

In the electronic device according to the twenty-eighth aspect, a signal detected by the sensor is transmitted to the first substrate.

According to a twenty-ninth aspect of the present disclosure, the electronic device according to the twenty-eighth aspect is arranged such that the sensor includes a strain sensor that detects an elongation of the rotary body.

In the electronic device according to the twenty-ninth aspect, information relating to the elongation of the rotary body is transmitted to the first substrate.

In the electronic device of the present disclosure, the arrangement of components and coils differs from a typical arrangement.

list of figures

• 1 is a side view of a human powered vehicle.
• 2 is a perspective view of a drive unit.
• 3 is a plan view of the drive unit.
• 4 is a cross-sectional view of the drive unit along the line IV-IV in 3 ,
• 5 Fig. 10 is a block diagram showing the electric configuration of the human powered vehicle.
• 6 is an exploded perspective view of an electronic device.
• 7 is a cross-sectional view of the electronic device.
• 8th is an enlarged view of the in 4 shown section A ,
• 9 FIG. 10 is a cross-sectional view of an electronic device according to a second embodiment. FIG.
• 10 FIG. 10 is a cross-sectional view of an electronic device according to a third embodiment. FIG.
• 11 FIG. 10 is a cross-sectional view showing an example of an electronic device according to a fourth embodiment. FIG.
• 12 FIG. 10 is a cross-sectional view showing another example of the electronic device according to the fourth embodiment. FIG.
• 13 Fig. 10 is a cross-sectional view showing an example of an electronic device according to a fifth embodiment.
• 14 Fig. 10 is a cross-sectional view showing another example of the electronic device according to the fifth embodiment.
• 15 FIG. 10 is a cross-sectional view showing another example of an electronic device according to a sixth embodiment. FIG.
• 16 FIG. 10 is a cross-sectional view of an electronic device according to a seventh embodiment. FIG.
• 17 FIG. 10 is a cross-sectional view showing a first example of an electronic device according to an eighth embodiment. FIG.
• 18 FIG. 10 is a cross-sectional view showing a second example of the electronic device according to the eighth embodiment. FIG.
• 19 Fig. 15 is a perspective view showing a third example of the electronic device according to the eighth embodiment.
• 20 FIG. 10 is a cross-sectional view showing the third example of the electronic device according to the eighth embodiment. FIG.

EMBODIMENTS OF THE DISCLOSURE

First embodiment

An embodiment of an electronic device 70 will now be with reference to the 1 to 8th described. The electronic device 70 the embodiment is on a human powered vehicle 10 intended. The human powered vehicle 10 is a vehicle that can be driven by at least human motive power. The number of wheels in the human powered vehicle 10 is not limited. The human powered vehicle 10 includes, for example, a unicycle and a wheel with three or more wheels. The human powered vehicle 10 includes, for example, various types of bicycles, such as a mountain bike, a road bike, a city bike, a cargo bike, a recumbent and an electrically assisted bicycle (e-bike). In the following description, the human-powered vehicle will be referred to 10 on a bike.

As in 1 shown contains the human powered vehicle 10 a crank 12 , The human powered vehicle 10 also includes a drive wheel 14 and a frame 16 , In the crank 12 a human driving force is entered. The crank 12 contains a crankshaft 12A , the is set up to be relative to the frame 16 to turn, and crank arms 12B , respectively at opposite axial ends of the crankshaft 12A are provided. A pedal 18 is with each of the crank arms 12B coupled. The drive wheel 14 will be according to the rotation of the crank 12 driven. The drive wheel 14 is from the frame 16 supported.

The crank 12 and the drive wheel 14 are by a drive mechanism 20 coupled. The drive mechanism 20 contains a drive unit 30 , The drive unit 30 contains the crankshaft 12A , A first rotary body 22 is with the crankshaft 12A coupled. The crankshaft 12A and the first rotary body 22 can through a second one-way clutch 42 coupled, which will be described later. The second one-way clutch 42 is set to a forward rotation of the first rotary body 22 to enable in a case in which the crank 12 rotates forward, and a reverse rotation of the first rotating body 22 to prevent in a case in which the crank 12 turns backwards. The second one-way clutch 42 can be attached to the drive unit 30 be provided. The drive mechanism 20 also includes the first rotating body 22 , a coupling element 26 and a second rotary body 24 , The first rotary body 22 Includes a sprocket, pulley or bevel gear. The coupling element 26 transmits a rotational force of the first rotary body 22 on the second rotary body 24 , The coupling element 26 contains, for example, a chain, a belt or a shaft.

The second rotary body 24 is with the drive wheel 14 coupled. The second rotary body 24 Includes a sprocket, pulley or bevel gear. Preferably, a one-way clutch (not shown) is interposed between the second rotating body 24 and the drive wheel 14 intended. The one-way clutch is configured to be in a case where the second rotating body 24 rotates forward, a forward rotation of the drive wheel 14 and in a case where the second rotary body 24 rotates backwards, a reverse rotation of the drive wheel 14 to prevent.

The human powered vehicle 10 contains a front wheel 19A and a rear wheel 19B , The front wheel 19A is over a front fork 16A at the frame 16 attached. A handlebar 16C is over a stem 16B with the front fork 16A connected. In the following description, the drive wheel refers 14 on the rear wheel 19B , The front wheel 19A However, the drive wheel can 14 his.

The drive unit 30 will now be with reference to the 2 to 4 described. 4 is a cross-sectional view along the line IV-IV in 3 representing the axis of rotation of an output shaft 32A an engine 32 , the rotation axis of a rotary shaft 50 and the axis of rotation of the crankshaft 12A contains.

The drive unit 30 contains the engine 32 , The motor 32 contains an electric motor. The motor 32 is intended to transmit rotation to a force transmission path of human driving force different from the pedals 18 up to the drive wheel 14 extends.

The drive unit preferably contains 30 furthermore the crankshaft 12A , a speed reduction mechanism 34 , an output section 36 , a first one-way clutch 40 , the second one-way clutch 42 and a controller 58 (please refer 5 ). The drive unit preferably contains 30 also a housing 46 , The housing 46 takes at least a section of the engine 32 , the speed reduction mechanism 34 , the first one-way clutch 40 , the second one-way clutch 42 and the controller 58 on. The housing 46 also takes a portion of the crankshaft 12A and the output section 36 on. The housing 46 has two holes 47A and 47B on, through which the crankshaft 12A extends. One end of the crankshaft 12A and the output section 36 are through the hole 47A introduced. The other end of the crankshaft 12A is through the hole 47B introduced. The housing 46 contains a first housing 46A and a second housing 46B , The first case 46A and the second housing 46B are set so that they each side surfaces of the housing 46 in the axial direction of the crankshaft 12A respectively.

The motor 32 is set up to propel the human powered vehicle 10 to support. The motor 32 contains an electric motor. The motor 32 may be a so-called brushless motor. The motor 32 is intended to transmit a rotation to the power transmission path extending from the pedals 18 to the rear wheel 19B extends. Preferably, the engine is 32 with the power transmission path between the crankshaft 12A and the first rotary body 22 coupled.

The motor 32 contains the output wave 32A , a stator 32B and a rotor 32C , In the present embodiment, the engine is 32 an inner rotor type motor. The rotor 32C is at the output shaft 32A attached so that the axis of rotation of the output shaft 32A with the axis of rotation of the rotor 32C is aligned. The stator 32B is along the circumference about the axis of rotation of the rotor 32C arranged. The motor 32 is on the housing 46 provided so that the output shaft 32A parallel to the crankshaft 12A is. The housing 46 also includes a motor housing 46C that the stator 32B and the rotor 32C of the motor 32 and a portion of the output wave 32A receives. The motor housing 46C is on the second housing 46B attached. The motor housing 46C can be integral with the second housing 46B be educated.

The output section 36 is configured to at least one of a torque of the crankshaft 12A and a torque of the engine 32 on the first turntable 22 transferred to. The output section 36 is a rotary body and has a rotation axis C. Preferably, the first rotary body 22 , the crankshaft 12A and the output section 36 coaxial with each other. For example, the output section contains 36 a through hole extending along the rotation axis C and the crankshaft 12A is inserted through the through hole. The output section 36 contains a coupling section 36A with which the first rotary body 22 is coupled. The coupling section 36A the output section 36 is on an outer circumferential surface of the discharge portion 36 arranged. The coupling section 36A contains a spline. The first rotary body 22 has an inner peripheral portion, one with the coupling portion 36A includes coupled splines.

The torque of the crankshaft 12A is via the second one-way clutch 42 on the output section 36 transfer. The torque of the engine 32 is about the speed reduction mechanism 34 on the output section 36 transfer.

The speed reduction mechanism 34 is in an internal cavity of the housing 46 intended. The speed reduction mechanism 34 reduces the rotational speed of the output shaft 32A of the motor 32 , The speed reduction mechanism 34 connects the engine 32 with the output section 36 , The speed reduction mechanism 34 reduces the rotational speed of the motor 32 and transmits the rotation to the output section 36 , The speed reduction mechanism 34 contains gears 48 , The gears 48 contain a first gear 48A , a second gear 48B a third gear 48C and a fourth gear 48D , The speed reduction mechanism 34 also contains the rotary shaft 50 ,

The rotary shaft 50 is parallel to the output wave 32A of the motor 32 and the crankshaft 12A , An axial end of the rotary shaft 50 is from the first case 46A supported. The rotary shaft 50 is through the first case 46A rotatably supported by a bearing. The other axial end of the rotary shaft 50 is from the second housing 46B supported.

The first gear 48A is on the outer peripheral portion of the output shaft 32A of the motor 32 intended. In one example, the first gear is 48A integral with the output shaft 32A educated. The first gear 48A can be separated from the output shaft 32A trained and with the output shaft 32A be coupled.

The second gear 48B is at an outer peripheral portion of the rotary shaft 50 intended. The second gear 48B engages in the first gear 48A on. The second gear 48B is separate from the rotary shaft 50 trained and with the rotary shaft 50 coupled. The first one-way clutch 40 is between the second gear 48B and the rotary shaft 50 intended. The first one-way clutch 40 transmits a rotation in a first direction, which in the second gear 48B from the engine 32 is entered into the rotary shaft 50 and does not transmit rotation in the first direction, which is in the rotary shaft 50 from the output section 36 is entered on the second gear 48B and the engine 32 , The first direction is a direction in which the rotating shaft 50 in a case where the engine rotates 32 the output wave 32A turns to the human-powered vehicle 10 to move forward. The first one-way clutch 40 contains, for example, a roller clutch. A section of the first one-way clutch 40 can be integral with the second gear 48B and a portion of the rotary shaft 50 be educated.

The third gear 48C is on the outer peripheral portion of the rotary shaft 50 provided at a position extending from the second gear 48B different. The third gear 48C rotates in one piece with the rotary shaft 50 , In one example, the third gear is 48C integral with the rotary shaft 50 educated. The third gear 48C can be separate from the rotary shaft 50 trained and with the rotary shaft 50 be coupled.

The fourth gear 48D is on the outer peripheral portion of the discharge portion 36 intended. The fourth gear 48D rotates integrally with the dispensing section 36 , The fourth gear 48D grabs the third gear 48C on. The fourth gear 48D and the output section 36 are about the second one-way clutch 42 with the crankshaft 12A connected. The second one-way clutch 42 transfers the rotation the crankshaft 12A in a second direction on the fourth gear 48D and does not transmit rotation of the output section 36 in the second direction on the crankshaft 12A , The second direction is a direction in which the output section 36 in a case where the crankshaft rotates 12A is turned to the human-powered vehicle 10 to move forward. The second one-way clutch 42 includes, for example, a ratchet coupling with a pawl or a roller clutch. The rotation of the crankshaft 12A and the rotation of the engine 32 be on the fourth gear 48D and the output section 36 transfer.

A tubular sleeve element 52 is on the crankshaft 12A intended. The sleeve element 52 is with the crankshaft 12A coupled. The sleeve element 52 is coaxial with the crankshaft 12A in the case 46 coupled. The sleeve element 52 includes a first end and a second end in the axial direction of the crankshaft 12A , The first end of the sleeve element 52 is on the crankshaft 12A attached. The second end of the sleeve element 52 is about the second one-way clutch 42 with the output section 36 connected. A section of the sleeve element 52 may be integral with a portion of the second one-way clutch 42 be educated. A section of the output section 36 may be integral with a portion of the second one-way clutch 42 be educated. The second one-way clutch 42 can be omitted. In this case, the sleeve element 52 and the output section 36 be integrally formed with each other.

As in the 1 and 5 shown contains the human powered vehicle 10 also a battery 28 and a control device 56 , The battery 28 contains one or more battery cells. The battery cells contain a rechargeable battery. The battery 28 leads other devices, for example the engine 32 and the control device 56 attached to the human powered vehicle 10 provided and by wires electrically to the battery 28 connected to energy. The battery 28 is with the controller 58 the control device 56 described later to perform a wired or a wireless communication. The battery 28 is set up to work with the controller 58 For example, to communicate via a power line communication (PLC). The battery 28 Can be outside on the frame 16 attached or at least partially in the frame 16 be housed.

The controller 58 Controls the battery 28 the engine 32 supplied energy. The controller 58 drives the engine 32 on. The controller 58 may include an inverter circuit. A third substrate 104 is on the case 46 intended. The third substrate 104 is in the case 46 accommodated. The third substrate 104 contains a printed circuit board.

The control device 56 contains the controller 58 , In one example, the controller includes 56 also a memory 60 , The controller 58 includes an arithmetic processing unit that executes predetermined control programs. The arithmetic processing unit includes, for example, a central processing unit (CPU) or a micro processing unit (MPU). The controller 58 may contain one or more microcomputers. The memory 60 stores information (s) used in various control programs and various control processes. The memory 60 contains, for example, a nonvolatile memory and a volatile memory. The controller 58 and the memory 60 are for example on the housing 46 intended. In the present embodiment, the control device is 56 via a wired or a wireless communication with a crank rotation sensor 62 , a vehicle speed sensor 64 and a sensor 66 for human power that captures the human motive power. In the present embodiment, the controller 58 and the memory 60 the control device 56 on the third substrate 104 intended.

The crank rotation sensor 62 is used to measure the rotational speed of the crank 12 capture. The crank rotation sensor 62 is on the frame 16 of the human powered vehicle 10 or the housing 46 appropriate. The crank rotation sensor 62 is arranged to include a magnetic sensor that outputs a signal according to the strength of a magnetic field. An annular magnet in which the strength of a magnetic field changes in the circumferential direction is at the crankshaft 12A or the power transmission path between the crankshaft 12A and the first rotary body 22 intended. The crankshaft rotation sensor 62 is with the controller 58 connected to perform a wired or a wireless communication. The crank rotation sensor 62 transmits a signal that is the rotational speed of the crank 12 corresponds to the controller 58 ,

The crank rotation sensor 62 may be provided on an element that integrally with the crankshaft 12A on the power transmission path of the human driving force between the crankshaft 12A and the first rotary body 22 rotates. For example, in a case where the second one-way clutch 42 not between the crankshaft 12A and the first rotary body 22 is provided, the crankshaft rotation sensor 62 on the first rotary body 22 be provided. The crankshaft rotation sensor 62 can be omitted.

The vehicle speed sensor 64 is used to detect the rotational speed of a wheel. The vehicle speed sensor 64 is electrically connected to the controller via wired or wireless communication 58 connected. The vehicle speed sensor 64 is with the controller 58 connected to perform a wired or a wireless communication. The vehicle speed sensor 64 transmits a signal corresponding to the rotational speed of the wheel to the controller 58 , The controller 58 calculates the vehicle speed of the human powered vehicle 10 based on the rotational speed of the wheel. The controller 58 deactivates the engine 32 in a case where the vehicle speed is greater than or equal to a predetermined value. The default value is for example 25 km / h or 45 km / h. Preferably, the vehicle speed sensor includes 64 a magnetic reed that forms a reed switch or a Hall element. The vehicle speed sensor 64 can be set up so that it attaches to the chainstay of the frame 16 attached to one on the rear wheel 19B attached magnets, or may be set up to the front fork 16A to be attached to one on the front wheel 19A to capture attached magnets.

The sensor 66 for human power is used to capture a human driving force in the crank 12 is entered. In the present embodiment, the sensor is 66 for human power on the crankshaft 12A intended. The sensor 66 for human force is, for example, on the sleeve element 52 and the crankshaft 12A over the sleeve element 52 intended. The sensor 66 for human force is at the outer peripheral portion of the sleeve member 52 intended. The sensor 66 for human strength contains a stress or strain sensor 66A , The strain sensor 66A Includes a strain gauge and a semiconductor strain sensor. The sensor 66 for human power is via the electronic device 70 energized. The sensor 66 for human power communicates with the controller 58 via the electronic device 70 , The sensor 66 for human power, the torque captures the human force.

The controller 58 controls the engine 32 , The controller 58 changes, for example, the ratio of the supporting force of the engine 32 to the in the crank 12 inputted human driving force according to the human driving force. The following is the ratio of the assisting power of the motor 32 to the in the crank 12 input human driving force is referred to as the assist ratio. The controller 58 changes the assist ratio according to the human driving force and the rotational speed of the crank 12 , The assist ratio may be a ratio of the torque of the assisting force of the motor 32 to the torque of human power of the human powered vehicle 10 entered human strength. The assist ratio may be a ratio of the power (watts) of the assisting power of the motor 32 to the power (watts) of the human powered vehicle 10 to be inputted human driving force. The power of the human driving force is multiplied by the torque in the crank 12 input human driving force with the rotational speed of the crank 12 receive. In a case where the power of the engine 32 The output of the speed reduction unit is the assisting force of the motor through a speed reduction unit in the power transmission path of the human driving force 32 ,

The electronic device 70 that in the human powered vehicle 10 is provided, with reference to the 6 to 8th described. 7 is a cross-sectional view of the electronic device 70 , 8th is an enlarged view of the in 4 shown section A , The electronic device 70 is in the case 46 accommodated. The electronic device 70 contains a first substrate 72 coupled to a non-rotating body NR, a second substrate 74 coupled to a rotary body RT, a first coil 76 that on the first substrate 72 is provided, a second coil 78 that on the second substrate 74 provided and magnetic with the first coil 76 coupled, a first electronic component 80 that on the first substrate 72 provided and electrically connected to the first coil 76 connected, and a second electronic component 82 that on the second substrate 74 provided and electrically connected to the second coil 78 connected is. The first substrate 72 contains a first substrate surface 84 at least partially the second substrate 74 facing, and a second substrate surface 86 which faces one side, that of the first substrate surface 84 opposite. The second substrate 74 contains one at least partially the first substrate 72 facing third substrate surface 88 and a fourth substrate surface 90 which faces one side, that of the third substrate surface 88 opposite. In the electronic device 70 is at least one of an arrangement state of the first electronic component in which the first electronic component 80 on the first substrate surface 84 is arranged, and an arrangement state of the second electronic component, in which the second electronic component 82 on the third substrate surface 88 is arranged, fulfilled.

The magnetic coupling of the first coil 76 with the second coil 78 allows the electronic device 70 at least one of a signal and energy from the first substrate 72 to the second substrate 74 or from the second substrate 74 to the first substrate 72 transferred to. In the present embodiment, the first coil 76 on the first substrate surface 84 provided, and the second coil 78 is on the third substrate surface 88 intended. In the present embodiment, the first electronic component is 80 on the first substrate surface 84 intended. In the present embodiment, the second electronic component is 82 on the fourth substrate surface 90 intended.

The first substrate 72 and the second substrate 74 include an insulating layer formed of a resin. The resin contains at least one of an epoxy resin, a glass epoxy resin, a phenolic resin, a paper phenolic resin, a paper epoxy resin, a polyimide resin, and a fluororesin. In the present embodiment, the first substrate include 72 and the second substrate 74 printed circuit boards.

The first substrate surface 84 and the second substrate surface 86 of the first substrate 72 contain a surface of the insulating layer, which is the first substrate 72 forms, and contain no encapsulating resin layer. The third substrate surface 88 and the fourth substrate surface 90 of the second substrate 74 contain a surface of the insulating layer, which is the second substrate 74 forms, and contain no encapsulating resin layer.

The shape of the first substrate 72 is not limited. The shape of the first substrate 72 becomes according to the relationship to the second substrate 74 and components around the second substrate 74 formed around. For example, in a case where the second substrate 74 on an intermediate portion of the rotary body RT is arranged in the axial direction, contains the first substrate 72 a hole 72A through which the rotary body RT is introduced so that the first substrate 72 near the second substrate 74 is / is arranged. The conductive wire of the first coil 76 is arranged so that it turns the body RT surrounds about the axis of rotation of the rotary body RT.

The shape of the second substrate 74 is not limited. The shape of the second substrate 74 becomes according to the arrangement relationship with the rotary body RT educated. For example, in a case where the second substrate 74 in the axial direction on an intermediate portion of the rotary body RT disposed is contains the second substrate 74 a hole 74A through which the rotary body RT is / is introduced. The conductive wire of the second coil 78 is arranged so that it turns the body RT about the axis of rotation of the rotating body RT surrounds around.

The second substrate 74 is over a substrate carrier element 12D with the rotary body RT coupled. The substrate carrier element 12D contains one on the rotating body RT fixed fixed section 12E and a support section 12F that extends from the fixed section 12E extends out to the second substrate 74 to wear. The substrate carrier element 12D is formed of a material that transmits electromagnetic waves, which is, for example, a synthetic resin. A portion of the substrate support member 12D can be between the first coil 76 and the second coil 78 be arranged.

The rotary body RT contains at least one of the crank arms 12B , the crankshaft 12A , one on the crankshaft 12A provided sensor support element 12C and a hub body 25 , In the present embodiment, the rotary body RT is the sensor support member 12C and the non-rotating body NO is the case 46 , In the present embodiment, the sleeve member includes 52 the sensor support element 12C , The hub body 25 is provided on a rotating center portion of the wheel.

In the present embodiment, the first coil 76 set up to energize the second coil 78 transferred to. For example, the first coil 76 with a power supply driver 92 connected. The power supply driver 92 leads the first coil 76 Energy too. The first coil 76 transfers energy to the second coil through electromagnetic induction or resonance 78 , The power supply driver 92 is an example of the first electronic component 80 , The second coil 78 is with a rectifier circuit 94 and a power supply circuit 96 connected. The from the power supply circuit 96 Energy generated becomes the human sensor 66 supplied for human power. The rectifier circuit 94 and the power supply circuit 96 are each an example of the second electronic component 82 ,

In one example, the first coil 76 a main coil and a resonance coil arranged to be in resonance with the main coil. The resonance coil is concentric with the main coil. The resonance coil resonates with the main coil. The main coil is supplied with energy having a certain frequency, so that the resonance coil resonates. The second coil 78 receives energy from the resonance coil.

In the present embodiment, the first coil 76 and the second coil 78 configured to transmit and receive a communication signal. For example, the second coil transmits 78 a communication signal to the first coil 76 , The communication signal is a signal indicating information about a state of the rotating body RT contains. The second coil 78 is with a modulation circuit 98 connected. The modulation circuit 98 changes the oscillation of a reflected wave of a carrier wave based on the communication signal. The modulation circuit 98 superimposed in a case where the first coil 76 and the second coil 78 are magnetically coupled, the communication signal of a reflected wave of a carrier wave. The modulation circuit 98 changes according to the communication signal, the impedance of a circuit, the second coil 78 contains. Thus, the communication signal is superimposed on the reflected wave. The modulation circuit 98 is an example of the second electronic component 82 , The first coil 76 is with a demodulation circuit 100 connected. The demodulation circuit 100 demodulates those from the first coil 76 received reflected wave to receive the communication signal from the reflected wave. The demodulation circuit 100 is an example of the first electronic component 80 , In the present embodiment, the information includes information regarding the state of the rotating body RT (a) information from the sensor 66 is / are detected for human power.

Preferably, the distance between the first substrate 72 and the second substrate 74 greater than or equal to 0.1 mm and less than 2.0 mm. The distance between the first substrate 72 and the second substrate 74 greater than or equal to 0.1 mm prevents contact of the first substrate 72 with the second substrate 74 , The distance between the first substrate 72 and the second substrate 74 which is less than 2.0 mm reduces the energy required to transmit a signal and energy.

The electronic device 70 may also include a sensor SN included on the rotating body RT provided and electrically connected to the first electronic component 80 connected is. The sensor SN For example, it is used to determine the state of the rotating body RT capture. The state of the rotating body RT includes at least one of a load condition about the rotational axis of the rotating body RT passing through one on the rotary body RT applied force is caused, and a rotational state of the rotary body RT , The state of rotation of the rotating body RT contains a rotational speed and a spin. In the present embodiment, the sensor is SN the sensor 66 for human strength and contains the strain sensor 66A , which is the elongation of the rotating body RT detected. The amount of strain of the rotating body RT changes according to the on the rotary body RT applied force in a direction along a circle about the axis of rotation. The detection of the elongation of the rotating body RT with the strain sensor 66A detects a torque acting on the rotating body RT is exercised. On the first substrate 72 An A / D converter may be provided to receive a signal from the strain sensor 66A to convert it into a digital signal. That of the second coil 78 to the first coil 76 transmitted communication signal may be a digital signal or an analog signal.

The electronic device 70 can also be a connector 102 included on the first substrate 72 is provided. The connector 102 is electrically connected to at least one of the first electronic component 80 and the first coil 76 connected. The connector 102 is set up to the second substrate 74 to connect with another electronic component. The other electronic component includes a substrate, an electrical cable, a wiring harness, and a flexible substrate. In the present embodiment, the connector is 102 connected to an electrical cable that is electrically connected to the third substrate 104 connected is. Thus, the connector 102 electrically with the controller 58 connected. The connector 102 can on the second substrate surface 86 be arranged.

In the present embodiment, the controller is 58 on the third substrate 104 intended. The controller 58 however, on the first substrate 72 be provided. The memory 60 can also be on the first substrate 72 be provided. In a case where the controller 58 and the memory 60 on the first substrate 72 are provided, the third substrate 104 and the connector 102 to be omitted. In the present embodiment, the electronic device includes 70 not the engine 32 and the controller 58 , The electronic device 70 However, the engine can continue 32 that's the propulsion of the human powered vehicle 10 supported, and the controller 58 included on the first substrate 72 is provided to the engine 32 to control.

In the present embodiment, the non-rotating body includes NO the housing 46 , The first substrate 72 is with the case 46 coupled. The non-rotating body NO may be a different component than the case 46 his. In a case where the frame 16 through the housing 46 is introduced, the non-rotating body NO the frame 16 contain. In this case, the first substrate 72 with the frame 16 coupled.

Second embodiment

A second embodiment of an electronic device 70 will now be referring to 9 described. The configurations that are the same as those in the first embodiment will not be described. Configurations different from those in the first embodiment will be described. The elements which are identical to the corresponding elements of the first embodiment are given the same reference numerals. The electronic device 70 The second embodiment is different from the electronic device 70 of the first embodiment in the point described below.

The first substrate surface 84 of the first substrate 72 contains a first facing surface 84A that is the second substrate 74 facing, and a first non-facing surface 84B that is the second substrate 74 not facing. In the arrangement state of the first electronic component, the first electronic component is 80 on the first non-facing surface 84B arranged. In this case, another first electronic component 80 Be set up so that they are not on the second substrate surface 86 is arranged.

Third embodiment

A third embodiment of an electronic device 70 will now be referring to 10 described. The configurations that are the same as those in the first embodiment will not be described. Configurations different from those in the first embodiment will be described. The elements which are identical to the corresponding elements of the first embodiment are given the same reference numerals. The electronic device 70 The third embodiment is different from the electronic device 70 of the first embodiment in the point described below.

The third substrate surface 88 of the second substrate 74 contains a second facing surface 88A that the first substrate 72 facing, and a second non-facing surface 88B that the first substrate 72 not facing. In the arrangement state of the second electronic component, the second electronic component is 82 on the second non-facing surface 88B arranged. In this case, another second electronic component 82 Be set up so that they are not on the fourth substrate surface 90 is arranged.

Fourth embodiment

A fourth embodiment of an electronic device 70 will now be referring to 11 described. The configurations that are the same as those in the first embodiment will not be described. Configurations different from those in the first embodiment will be described. The elements which are identical to the corresponding elements of the first embodiment are given the same reference numerals.

The electronic device 70 contains the first substrate 72 that with the non-rotating body NO coupled, the second substrate 74 which is coupled to the rotary body RT, the first coil 76 that on the first substrate 72 is provided, and the second coil 78 that on the second substrate 74 provided and magnetic with the first coil 76 coupled on the first substrate 72 provided and electrically with the first coil 76 connected first electronic component 80 and those on the second substrate 74 provided and electrically connected to the second coil 78 connected second electronic component 82 , The first electronic component 80 contains a first connection 80A and a body 80B the first electronic component. The second electronic component 82 contains a second connection 82A and a body 82B the second electronic component. At least one of a first Embedding state in which the first coil 76 at least partially in the first substrate 72 embedded, a second embedding state in which the second coil 78 at least partially in the second substrate 74 is embedded, a third embedding state in which the body 80B the first electronic component at least partially in the first substrate 72 embedded, and a fourth embedding state in which the body 82B the second electronic component at least partially in the second substrate 74 is embedded, is fulfilled.

In the configuration described above, at least one of at least a portion of the first coil 76 , at least a portion of the second coil 78 , at least one section of the body 80B the first electronic component and at least a portion of the body 82B the second electronic component is in the first substrate 72 or the second substrate 74 embedded.

The body 80B The first electronic component includes portions other than the first terminal 80A the first electronic component 80 , The body 82B The second electronic component includes portions other than the second terminal 82A the second electronic component 82 , For example, as in 11 shown is the second coil 78 in the second substrate 74 embedded.

As in 12 As shown, the configuration may be as follows. In the first embedding state, the first coil is 76 completely in the first substrate 72 embedded. In the second embedding state, the second coil is 78 completely in the second substrate 74 embedded. In the third embedding state is the body 80B the first electronic component in the first substrate 72 embedded. In the fourth embedding state, the body is 82B the second electronic component completely in the second substrate 74 embedded.

Fifth embodiment

A sixth embodiment of an electronic device 70 will now be with reference to the 13 and 14 described. The configurations that are the same as the first embodiment will not be described. Configurations different from those in the first embodiment will be described. The elements which are identical to the corresponding elements of the first embodiment are given the same reference numerals.

The electronic device 70 contains the first substrate 72 that with the non-rotating body NO coupled, the second substrate 74 that with the rotary body RT coupled, the first coil 76 that on the first substrate 72 is provided, and the second coil 78 that on the second substrate 74 provided and magnetic with the first coil 76 coupled on the first substrate 72 provided and electrically with the first coil 76 connected first electronic component 80 and those on the second substrate 74 provided and electrically connected to the second coil 78 connected second electronic component 82 , The first substrate 72 contains the first substrate surface 84 at least partially the second substrate 74 facing, and the second substrate surface 86 which faces one side, that of the first substrate surface 84 opposite. The second substrate 74 contains at least partially the first substrate 72 facing third substrate surface 88 and the fourth substrate surface 90 one side, the third substrate surface 88 opposite, facing. At least one of an arrangement state of the first coil, in which the first coil 76 on the second substrate surface 86 is arranged, and an arrangement state of the second coil, in which the second coil 78 on the fourth substrate surface 90 is arranged, is fulfilled.

As in 13 is shown is the first coil 76 on the first substrate surface 84 arranged. The second coil 78 is on the fourth substrate surface 90 arranged. In this case, the first electronic component 80 on the second substrate surface 86 be provided. The second electronic component 82 can on the fourth substrate surface 90 be provided.

As in 14 In another example, the second coil is shown 78 on the third substrate surface 88 arranged. The first coil 76 is on the second substrate surface 86 arranged. In this case, the first electronic component 80 on the second substrate surface 86 be provided. The second electronic component 82 can on the fourth substrate surface 90 be provided.

Sixth embodiment

A sixth embodiment of an electronic device 70 will now be referring to 15 described. The fifth embodiment can be changed as follows. The first substrate surface 84 contains the first facing surface 84A that is the second substrate 74 facing, and the first non-facing surface 84B that is the second substrate 74 not facing. The first electronic component 80 is on the first non-facing surface 84B arranged.

Seventh embodiment

A seventh embodiment of an electronic device 70 will now be referring to 16 described. The fifth embodiment can be changed as follows. The third substrate surface 88 contains the second facing surface 88A that the first substrate 72 facing, and the second non-facing surface 88B that the first substrate 72 not facing. The second electronic component 82 is on the second non-facing surface 88B arranged.

Eighth embodiment

An eighth embodiment of the electronic device 70 will now be with reference to the 17 to 20 described. The configurations that are the same as the first embodiment will not be described. Configurations different from those in the first embodiment will be described. The elements which are identical to the corresponding elements of the first embodiment are given the same reference numerals.

The electronic device 70 contains the first substrate 72 that with the non-rotating body NO coupled, the second substrate 74 that with the rotary body RT coupled, the third substrate 104 electrically connected to the first substrate 72 connected, and on the first substrate 72 provided first coil 76 that on the second substrate 74 provided and magnetic with the first coil 76 coupled second coil 78 on the third substrate 104 provided and electrically with the first coil 76 connected first electronic component 80 , and those on the second substrate 74 provided and electrically connected to the second coil 78 connected second electronic component 82 ,

The first electronic component 80 on the third substrate 104 is provided contains the power supply driver 92 and the demodulation circuit 100 , The second electronic component 82 that on the second substrate 74 is provided, contains the rectifier circuit 94 , the power supply circuit 96 and the modulation circuit 98 ,

As in 17 shown contains the first substrate 72 the first substrate surface 84 at least partially the second substrate 74 facing, and the second substrate surface 86 which faces one side, that of the first substrate surface 84 opposite. The third substrate 104 can with the second substrate surface 86 be coupled.

As in 18 shown contains the first substrate surface 84 of the first substrate 72 the first facing surface 84A that is the second substrate 74 facing, and the first non-facing surface 84B that is not the second substrate 74 is facing. The third substrate 104 can with a portion of the second substrate surface 86 be coupled, on one side opposite the first non-facing surface 84B is arranged.

The third substrate 104 is through a connector 106 with the first substrate 72 connected. The connector 106 includes a connector having a wire harness, a connector having a plug structure for mechanically connecting terminals with each other and a connector having a terminal and connected to another terminal by solder or a conductive adhesive.

As in the 19 and 20 As shown, the arrangement of the third substrate 104 be changed as follows. The first substrate 72 contains the first substrate surface 84 at least partially the second substrate 74 facing, and the second substrate surface 86 which faces one side, that of the first substrate surface 84 opposite. The third substrate 104 is with the first substrate surface 84 coupled.

As in 19 shown, the non-rotating body NR contains the housing 46 , The first substrate 72 and the third substrate 104 can with the case 46 be coupled. The electronic device 70 may also be the engine 32 included the propulsion of the human powered vehicle 10 supported, and the controller 58 that on the third substrate 104 is provided to the engine 32 to control.

Tables 1 to 4 show patterns of combinations of the arrangement of the first coil 76 on the first substrate 72 , the arrangement of the first electronic component 80 on the first substrate 72 , the arrangement of the second coil 78 on the second substrate 74 , the arrangement of the second electronic component 82 on the second substrate 74 in the electronic devices 70 the first to eighth embodiments. Tables 1 to 4 show examples in which the electronic device 70 the third substrate 104 does not contain. Table 5 shows examples in which the electronic device 70 the third substrate 104 contains. Each pattern corresponds to at least one of the electronic devices 70 the first to eighth embodiments. Table 1 template 1st coil 2nd coil 1. electronic component 2. electronic component 1 1. substrate surface 3. substrate surface 1. substrate surface 3. substrate surface 2 1. substrate surface 3. substrate surface 1. substrate surface 4. substrate surface 3 1. substrate surface 3. substrate surface 2. substrate surface 3. substrate surface 4 1. substrate surface 3. substrate surface 2. substrate surface 4. substrate surface 5 1. substrate surface 4. substrate surface 1. substrate surface 3. substrate surface 6 1. substrate surface 4. substrate surface 1. substrate surface 4. substrate surface 7 1. substrate surface 4. substrate surface 2. substrate surface 3. substrate surface 8th 1. substrate surface 4. substrate surface 2. substrate surface 4. substrate surface 9 2. substrate surface 3. substrate surface 1. substrate surface 3. substrate surface 10 2. substrate surface 3. substrate surface 1. substrate surface 4. substrate surface 11 2. substrate surface 3. substrate surface 2. substrate surface 3. substrate surface 12 2. substrate surface 3. substrate surface 2. substrate surface 4. substrate surface 13 2. substrate surface 4. substrate surface 1. substrate surface 3. substrate surface 14 2. substrate surface 4. substrate surface 1. substrate surface 4. substrate surface 15 2. substrate surface 4. substrate surface 2. substrate surface 3. substrate surface Table 2 template 1st coil 2nd coil 1. electronic component 2. electronic component 16 1. substrate surface 3. substrate surface 1. substrate surface embedded 17 1. substrate surface 3. substrate surface 2. substrate surface embedded 18 1. substrate surface 3. substrate surface embedded 3. substrate surface 19 1. substrate surface 3. substrate surface embedded 4. substrate surface 20 1. substrate surface 3. substrate surface embedded embedded 21 1. substrate surface 4. substrate surface 1. substrate surface embedded 22 1. substrate surface 4. substrate surface 2. substrate surface embedded 23 1. substrate surface 4. substrate surface embedded 3. substrate surface 24 1. substrate surface 4. substrate surface embedded 4. substrate surface 25 1. substrate surface 4. substrate surface embedded embedded 26 1. substrate surface embedded 1. substrate surface 3. substrate surface 27 1. substrate surface embedded 1. substrate surface 4. substrate surface 28 1. substrate surface embedded 1. substrate surface embedded 29 1. substrate surface embedded 2. substrate surface 3. substrate surface 30 1. substrate surface embedded 2. substrate surface 4. substrate surface 31 1. substrate surface embedded 2. substrate surface embedded 32 1. substrate surface embedded embedded 3. substrate surface 33 1. substrate surface embedded embedded 4. substrate surface 34 1. substrate surface embedded embedded embedded Table 3 template 1st coil 2nd coil 1. electronic component 2. electronic component 35 2. substrate surface 3. substrate surface 1. substrate surface embedded 36 2. substrate surface 3. substrate surface 2. substrate surface embedded 37 2. substrate surface 3. substrate surface embedded 3. substrate surface 38 2. substrate surface 3. substrate surface embedded 4. substrate surface 39 2. substrate surface 3. substrate surface embedded embedded 40 2. substrate surface 4. substrate surface 1. substrate surface embedded 41 2. substrate surface 4. substrate surface 2. substrate surface embedded 42 2. substrate surface 4. substrate surface embedded 3. substrate surface 43 2. substrate surface 4. substrate surface embedded 4. substrate surface 44 2. substrate surface 4. substrate surface embedded embedded 45 2. substrate surface embedded 1. substrate surface 3. substrate surface 46 2. substrate surface embedded 1. substrate surface 4. substrate surface 47 2. substrate surface embedded 1. substrate surface embedded 48 2. substrate surface embedded 2. substrate surface 3. substrate surface 49 2. substrate surface embedded 2. substrate surface 4. substrate surface 50 2. substrate surface embedded 2. substrate surface embedded 51 2. substrate surface embedded embedded 3. substrate surface 52 2. substrate surface embedded embedded 4. substrate surface 53 2. substrate surface embedded embedded embedded Table 4 template 1st coil 2nd coil 1. electronic component 2. electronic component 54 embedded 3. substrate surface 1. substrate surface 3. substrate surface 55 embedded 3. substrate surface 1. substrate surface 4. substrate surface 56 embedded 3. substrate surface 1. substrate surface embedded 57 embedded 3. substrate surface 2. substrate surface 3. substrate surface 58 embedded 3. substrate surface 2. substrate surface 4. substrate surface 59 embedded 3. substrate surface 2. substrate surface embedded 60 embedded 3. substrate surface embedded 3. substrate surface 61 embedded 3. substrate surface embedded 4. substrate surface 62 embedded 3. substrate surface embedded embedded 63 embedded 4. substrate surface 1. substrate surface 3. substrate surface 64 embedded 4. substrate surface 1. substrate surface 4. substrate surface 65 embedded 4. substrate surface 1. substrate surface embedded 66 embedded 4. substrate surface 2. substrate surface 3. substrate surface 67 embedded 4. substrate surface 2. substrate surface 4. substrate surface 68 embedded 4. substrate surface 2. substrate surface embedded 69 embedded 4. substrate surface embedded 3. substrate surface 70 embedded 4. substrate surface embedded 4. substrate surface 71 embedded 4. substrate surface embedded embedded 72 embedded embedded 1. substrate surface 3. substrate surface 73 embedded embedded 1. substrate surface 4. substrate surface 74 embedded embedded 1. substrate surface embedded 75 embedded embedded 2. substrate surface 3. substrate surface 76 embedded embedded 2. substrate surface 4. substrate surface 77 embedded embedded 2. substrate surface embedded 78 embedded embedded embedded 3. substrate surface 79 embedded embedded embedded 4. substrate surface 80 embedded embedded embedded embedded Table 5 template 1st coil 2nd coil 2. electronic component 81 1. substrate surface 3. substrate surface 3. substrate surface 82 1. substrate surface 3. substrate surface 4. substrate surface 83 1. substrate surface 3. substrate surface embedded 84 1. substrate surface 4. substrate surface 3. substrate surface 85 1. substrate surface 4. substrate surface 4. substrate surface 86 1. substrate surface 4. substrate surface embedded 87 1. substrate surface embedded 3. substrate surface 88 1. substrate surface embedded 4. substrate surface 89 1. substrate surface embedded embedded 90 2. substrate surface 3. substrate surface 3. substrate surface 91 2. substrate surface 3. substrate surface 4. substrate surface 92 2. substrate surface 3. substrate surface embedded 93 2. substrate surface 4. substrate surface 3. substrate surface 94 2. substrate surface 4. substrate surface 4. substrate surface 95 2. substrate surface 4. substrate surface embedded 96 2. substrate surface embedded 3. substrate surface 97 2. substrate surface embedded 4. substrate surface 98 2. substrate surface embedded embedded 99 embedded 3. substrate surface 3. substrate surface 100 embedded 3. substrate surface 4. substrate surface 101 embedded 3. substrate surface embedded 102 embedded 4. substrate surface 3. substrate surface 103 embedded 4. substrate surface 4. substrate surface 104 embedded 4. substrate surface embedded 105 embedded embedded 3. substrate surface 106 embedded embedded 4. substrate surface 107 embedded embedded embedded

Modified examples

The description relating to the embodiments illustrates, without intending to limit, applicable forms of the electronic device 70 according to the present disclosure. The electronic device 70 For example, according to the present disclosure, it may be applicable to modified examples of the embodiments described below and at least two of the modified examples that do not contradict each other.

In each of the embodiments, the first substrate 72 contain several substrates. The second substrate 74 can contain multiple substrates.

Signals may be transmitted by a device different from the electronic device 70 different. For example, an electromagnetic wave transmitter is on the second substrate 74 or the rotary body RT provided, and an electromagnetic wave receiver is on the housing 46 intended.

Electrical energy may be transmitted by a device different from the electronic device 70 different. For example, an energy generator that generates energy based on the rotation of the rotating body RT generated, on the rotary body RT be provided. In this case, the sensor SN and the electronic device 70 operated by the energy of the energy generator.

The term "at least one of" as used in this disclosure means "one or more" of a desired choice. For example, the term "at least one of" as used in this disclosure means "only one choice" or "both of two choices" if the number of choices is two. On the other hand, the term "at least one of" as used in this disclosure means "only one choice" or "any combination of at least two choices" if the number of choices thereof is equal to or more than three.

LIST OF REFERENCE NUMBERS

NR) Non-rotating body, RT) Rotary body, SN) Sensor, 10) Human powered vehicle, 12A) Crankshaft, 12B) Crank arm, 12C) Sensor support element, 25) Hub body, 32) Motor, 46) Housing, 66A) Strain sensor, 70 ) Electronic device, 72) first substrate, 74) second substrate, 76) first coil, 78) second coil, 80) first electronic component, 80A) first connection, 80B) body of the first electronic component, 82) second electronic component, 82A 82B) body of the second electronic component, 84) first substrate surface, 84A) first facing surface, 84B) first non-facing surface, 86) second substrate surface, 88) third substrate surface, 88A) second facing surface, 88B) second not facing surface, 90) fourth substrate surface, 102) connector, 104) third substrate, 106) connector

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• JP 2018104484 [0001]
• WO 2015/108152 A [0003]

Claims (29)

Electronic device comprising: a first substrate coupled to a non-rotating body; a second substrate coupled to a rotating body; a first coil provided on the first substrate; a second coil provided on the second substrate and magnetically coupled to the first coil; a first electronic component provided on the first substrate and electrically connected to the first coil; and a second electronic component provided on the second substrate and electrically connected to the second coil, wherein the first substrate includes a first substrate surface at least partially facing the second substrate and a second substrate surface facing a side opposite the first substrate surface. the second substrate includes a third substrate surface at least partially facing the first substrate and a fourth substrate surface facing a side opposite the third substrate surface, and at least one of an arrangement state of the first electronic component in which the first electronic component is disposed on the first substrate surface and an arrangement state of the second electronic component in which the second electronic component is disposed on the third substrate surface is satisfied. Electronic device after Claim 1 wherein the first substrate surface includes a first facing surface facing the second substrate and a first non-facing surface not facing the second substrate, and the first electronic component in the disposing state of the first electronic component at the first non-facing Surface is arranged. Electronic device after Claim 1 or 2 wherein the third substrate surface includes a second facing surface facing the first substrate and a second non-facing surface not facing the first substrate and the second electronic component in the assembly state of the second electronic component at the second non-facing Surface is arranged. An electronic device comprising: a first substrate coupled to a non-rotating body; a second substrate coupled to a rotating body; a first coil provided on the first substrate; a second coil provided on the second substrate and magnetically coupled to the first coil; a first electronic component provided on the first substrate and electrically connected to the first coil; and a second electronic component provided on the second substrate and electrically connected to the second coil, wherein the first electronic component includes a first terminal and a body of the first electronic component, the second electronic component includes a second terminal and a body of the second electronic component and at least one of a first embedding state in which the first coil is at least partially embedded in the first substrate, a second embedding state in which the second coil is at least partially embedded in the second substrate, a third embedding state in which the body of the second coil is embedded first electronic component is at least partially embedded in the first substrate, and a fourth embedding state, in which the body of the second electronic component is at least partially embedded in the second substrate is met. Electronic device after Claim 4 wherein the first coil in the first embedding state is completely embedded in the first substrate, the second coil is completely embedded in the second substrate in the second embedding state, the body of the first electronic component is completely embedded in the first substrate in the third embedding state, and the body the second electronic component in the fourth embedding state is completely embedded in the second substrate. Electronic device after Claim 4 wherein the first substrate includes a first substrate surface at least partially facing the second substrate and a second substrate surface facing a side opposite the first substrate surface, and the second substrate at least partially containing the third substrate and a fourth substrate surface facing a side opposite to the third substrate surface. Electronic device comprising: a first substrate coupled to a non-rotating body; a second substrate coupled to a rotating body; a first coil provided on the first substrate; a second coil provided on the second substrate and magnetically coupled to the first coil; a first electronic component provided on the first substrate and electrically connected to the first coil; and a second electronic component provided on the second substrate and electrically connected to the second coil, wherein the first substrate includes a first substrate surface at least partially facing the second substrate and a second substrate surface facing a side opposite the first substrate surface; the second substrate includes a third substrate surface at least partially facing the first substrate and a fourth substrate surface facing a side opposite to the third substrate surface at least one of an arrangement state of the first coil in which the first coil is disposed on the second substrate surface and an arrangement state of the second coil in which the second coil is disposed on the fourth substrate surface is satisfied. Electronic device after Claim 7 wherein the first electronic component is provided on the second substrate surface. Electronic device after Claim 7 or 8th wherein the second electronic component is provided on the fourth substrate surface. Electronic device according to one of Claims 6 to 9 wherein the first substrate surface has a first facing surface facing the second substrate and a first non-facing surface not facing the second substrate, the first electronic component is disposed on the first non-facing surface. Electronic device according to one of Claims 6 to 10 wherein the third substrate surface includes a second facing surface facing the first substrate and a second non-facing surface not facing the first substrate and the second electronic component disposed on the second non-facing surface. Electronic device according to one of Claims 1 to 3 and 6 to 11 wherein the first coil is disposed on the first substrate surface. Electronic device according to one of Claims 1 to 3 and 6 to 11 wherein the second coil is disposed on the third substrate surface. Electronic device according to one of Claims 1 to 13 further comprising a connector provided on the first substrate. Electronic device according to one of Claims 1 to 3 and 6 to 13 , further comprising a connector provided on the first substrate, wherein the connector is disposed on the second substrate surface. Electronic device according to one of Claims 1 to 15 , further comprising: an engine assisting the propulsion of a human powered vehicle; and a controller provided on the first substrate, wherein the controller controls the motor. Electronic device according to one of Claims 1 to 16 wherein the non-rotating body further includes a housing and the first substrate is coupled to the housing. Electronic device comprising: a first substrate coupled to a non-rotating body; a second substrate coupled to a rotating body; a third substrate electrically connected to the first substrate; a first coil provided on the first substrate; a second coil provided on the second substrate and magnetically coupled to the first coil; a first electronic component provided on the third substrate and electrically connected to the first coil; and a second electronic component provided on the second substrate and electrically connected to the second coil. Electronic device after Claim 18 wherein the first substrate includes a first substrate surface at least partially facing the second substrate and a second substrate surface facing a side opposite the first substrate surface, and the third substrate is coupled to the second substrate surface. Electronic device after Claim 18 wherein the first substrate includes a first substrate surface at least partially facing the second substrate and a second substrate surface facing a side opposite the first substrate surface, and the third substrate is coupled to the first substrate surface. Electronic device according to one of Claims 18 to 20 wherein the third substrate is coupled by a connector to the first substrate. Electronic device according to one of Claims 18 to 21 wherein the non-rotating body further includes a housing and the first substrate and the third substrate are coupled to the housing. Electronic device according to one of Claims 18 to 22 , further comprising: a motor assisting the propulsion of a human powered vehicle; and a controller provided on the third substrate, wherein the controller controls the motor. Electronic device according to one of Claims 1 to 23 wherein the rotary body includes at least one of a crank arm, a crankshaft, a sensor support member provided on the crankshaft, and a hub body. Electronic device according to one of Claims 1 to 24 wherein the first coil transfers energy to the second coil. Electronic device according to one of Claims 1 to 25 wherein the first coil and the second coil transmit and receive a communication signal. Electronic device according to one of Claims 1 to 26 wherein a distance between the first substrate and the second substrate is greater than or equal to 0.1 mm and less than 2.0 mm. Electronic device according to one of Claims 1 to 27 further comprising a sensor provided on the rotary body, the sensor being electrically connected to the first electronic component. Electronic device after Claim 28 wherein the sensor includes a strain sensor that detects the strain of the rotating body.

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