TWM623734U - Bicycle electronic gear shifting and vehicle attitude sensing device - Google Patents

Abstract

The present invention provides a bicycle electronic gear shifting and vehicle attitude sensing device, which includes: a transmission element, the transmission of which is provided with an adjustment part, the adjustment part is used for transmission and connected to a speed change element, so as to adjust the speed change The gear position of the element; a sensing device, which is used to sense the rotational position of the transmission element; a drive unit, which is correspondingly arranged and transmitted to the transmission element; an attitude sensing unit, which is used to sense the vehicle attitude, and correspondingly generate a state value; a processing unit, whose signal is connected to the driving unit, the attitude sensing unit, the sensing unit and a shift control device; thereby, the shift control device corresponds to receiving the state value, and accordingly generate a gear shift command and transmit it to the processing unit, so that the processing unit defines the gear position and the rotational position corresponding to the gear shift command, and the sensing unit correspondingly senses the transmission When the element rotates to the defined rotational position, the processing unit stops the operation of the driving unit, so that the gear position of the transmission element can be accurately switched and positioned, and the change of the vehicle attitude can also be detected at any time to provide the shift control device. The vehicle status signal, or a control strategy to actively intervene or limit the shifting timing, so that it can give a better shift operator according to the actual road conditions and riding status.

Description

Bicycle electronic gear shift and device with vehicle attitude sensing

The present invention provides a bicycle electronic gear shifting and vehicle attitude sensing device, especially a device for sensing the actual position of the transmission element to the shifting element through the setting of the sensing unit, so as to sense the transmission element Rotate to the defined rotation position, that is, stop the transmission of the transmission element, so as to achieve the effect of precise shifting of gears, and can detect the change of vehicle posture at any time, so that it can give better shifting according to the actual road conditions and riding status. The timing control strategist.

According to the fact that nowadays society is paying more and more attention to environmental protection issues, countries around the world are implementing energy-saving and carbon-reducing policies in order to encourage the industry and academia to develop alternative energy sources, which is one of the main research and development goals of green energy technology; Most of them are powered by petroleum, and the air pollution caused by petroleum fuel is a problem that countries around the world want to actively improve. Therefore, it has created the atmosphere of riding bicycles, and developed a bicycle to enhance the mobility, convenience and practicality of bicycles. Electric bicycles and electric vehicles, and their related industries, respectively aim at improving the performance of electric bicycles and electric vehicles, and research and develop them to achieve the main goals of energy saving, carbon reduction and air pollution prevention; As a means of transportation, it is loved for its simplicity, convenience and many advantages that do not require a driving test.

As far as bicycles or electric bicycles are concerned, most of them have a speed change function, which is suitable for various users or terrains. Due to its large size, it is easy to be damaged by environmental factors due to exposure. Therefore, some relevant companies have developed an internal transmission, which is arranged at the axle of the rear wheel and is coaxial with the rear wheel, and the relevant parts are all enclosed inside it. Therefore, its components are not easily damaged by external forces, and the smoothness of shifting is far higher than that of conventional transmissions, so it is favored by most consumers today.

However, for the shifting of the internal derailleur, most of them use the shifting handle or dial of the bicycle, so as to pull the shifting ring through the steel wire, so as to achieve the purpose of adjusting the gear position of the inner derailleur; The mechanism of the ring is often caused by the long-term operation, which causes the shift handle, the dial and the configuration position of the steel wire to shift, and the shifting is incomplete or incorrect, and there is no mechanism for gear correction and correct reporting. Therefore, there is a problem of confusion in the actual shifting gears. If it is applied to electric bicycles, it usually has a mechanism for shifting gears according to the pedaling force or the generated torque, and if the gears are not confirmed or wrongly shifted. , it will affect the user's comfort when riding, and even more, it will affect the safety when riding, and there is a concern that the internal transmission will be damaged.

In addition, most electric-assisted bicycles are manually shifted or given simple shift control by speed and cadence. When the gear is changed, the cadence and pedaling force of the rider will be affected and changed due to the change of gear ratio. It is impossible to obtain the actual road conditions and riding status, and it is difficult to correctly provide a better control strategy. Therefore, when encountering changes in road conditions, slopes or cornering inclinations, improper shifting control is given, making it difficult to ride with sudden heavy pedaling force or too light. The problem is not uncommon, it will affect the user's comfort when riding, and even more, it will affect the safety when riding.

In view of this, the author of the author specially focused on the gear shifting mechanism of the internal transmission, and integrated the attitude sensing unit for research and improvement, hoping to improve the above problems with a better creation. After long-term research and development and continuous testing, the The advent of this creation.

The purpose of this creation is to solve the aforementioned problems. In order to achieve the aforementioned purpose, our creators provide a bicycle electronic gear shift and a device with vehicle attitude sensing, which includes: a transmission element, which is in the shape of a ring. The inner edge is provided with an adjustment part, the adjustment part is connected to a transmission element for transmission, so as to adjust the gear position of the transmission element; a sensing unit is correspondingly sensed that the transmission element corresponds to The rotational position of the gear position of the transmission element; the sensing unit is a Hall sensor, which includes a plurality of sensing elements and a sensing device, and the sensing elements are correspondingly disposed on the transmission element and corresponding to the The gear position of the transmission element and the moving direction of the transmission element are arranged in an array at intervals; an attitude sensing unit is used to sense the attitude of a vehicle and correspondingly generates a state value; a driving unit is arranged correspondingly and drive the transmission element; and a processing unit whose signal is connected to the driving unit, the sensing device, the attitude sensing unit and a shift control device; the shift control device should receive the state value, and Accordingly, a shift command is generated and transmitted to the processing unit, so that the processing unit defines the gear position and the rotational position corresponding to the shift command, and controls the drive unit to drive the transmission element to rotate to adjust the speed of the shift element. When the sensing unit correspondingly senses that the transmission element rotates to a defined rotational position, the processing unit stops the operation of the driving unit.

According to the above-mentioned bicycle electronic gear shifting and vehicle attitude sensing device, at least one deceleration device is further provided between the transmission element and the driving unit.

According to the above-mentioned bicycle electronic gear shifting and vehicle attitude sensing device, it further includes a casing, the transmission element and the driving unit are arranged inside, and the casing is fixed to a cyclist.

According to the above-mentioned device for bicycle electronic shifting and vehicle attitude sensing, wherein the shifting element is an internal derailleur, and the shifting element is provided with a transmission part corresponding to the adjusting part, and the transmission part can adjust the The gear position of the transmission element.

According to the above-mentioned bicycle electronic gear shifting and vehicle attitude sensing device, the attitude sensing unit is an electronic level, an accelerometer or a gyroscope.

According to the above-mentioned bicycle electronic gear shifting and vehicle attitude sensing device, the attitude sensing unit may be a one-dimensional, two-dimensional or three-dimensional sensing module.

According to the above-mentioned bicycle electronic gear shifting and vehicle attitude sensing device, the attitude sensing unit is further provided with a temperature sensing element, and the temperature sensing element is used to detect the ambient temperature of the vehicle to generate A temperature value, and the attitude sensing unit correspondingly compensates the state value according to the temperature value.

According to the above-mentioned bicycle electronic gear shifting and vehicle attitude sensing device, the gear shifting control device is an electronic gear shifting device with wired or wireless transmission.

According to the above-mentioned bicycle electronic gear shifting and vehicle attitude sensing device, wherein, the processing unit is further coupled to a communication unit, and the communication unit is connected to the shift control device by a remote signal, and the attitude sensing The unit transmits the state value to the shift control device through the communication unit, and the shift control device transmits the shift command to the communication unit through a remote signal, thereby transmitting it to the processing unit, and at When the processing unit stops the operation of the driving unit, it returns a gear command to the gear shift control device.

From the above description and settings, it is obvious that this creation mainly has the following advantages and effects, which are described in detail as follows:

1. The present invention uses the setting of the sensing unit to sense the rotational position of the transmission element corresponding to the gear position of the shifting element, so that when the shifting control device transmits the shifting command, the processing unit defines the corresponding position of the shifting element. The rotation position of the gear command is controlled, and the drive unit is controlled to drive the transmission element to rotate to adjust the gear position of the transmission element, so that when the sensing unit senses that the transmission element rotates to the defined rotation position, the processing unit will make the transmission element rotate. When the drive unit stops running, when the transmission element can be accurately adjusted to the gear position of the speed change element, the drive unit stops operating immediately, and the gear position of the speed change element can be adjusted precisely, so as not to be affected by improper or excessive adjustment of the gear position. ride or cause damage to the shifting element.

2. In this creation, the attitude sensing unit is integrated into the setting of the bicycle electronic shifting device to detect the rolling and pitching attitude of the bicycle. Frame geometry and shock absorbers affect the accuracy of signal interpretation, enabling it to detect vehicle attitude and timely control or limit its gear adjustment, and can implement integrated device settings through processing units, communication units and housings.

This creation is a bicycle electronic gear shifting device, and its implementation means, characteristics and effects are described in detail below by citing several preferred feasible embodiments and accompanying drawings, so as to provide the readers with an in-depth understanding and approval of this creation.

First of all, please refer to Fig. 1 to Fig. 5, this creation is a bicycle electronic shifting device, which includes:

A transmission element 1, the transmission of which is provided with an adjustment part 11, the adjustment part 11 is connected to a transmission element 2 for transmission, so as to adjust the gear position of the transmission element 2;

a sensing unit 3 corresponding to sensing the rotational position of the transmission element 1 corresponding to the gear position of the transmission element 2;

In a specific embodiment, the sensing unit 3 includes a plurality of sensing elements 31 and a sensing device 32 , and the sensing elements 31 are correspondingly disposed on the transmission element 1 and corresponding to the shifting element 2 . The gear position and the moving direction of the transmission element 1 are spaced in an array, and as far as the sensing unit 3 is concerned, it can be a contact sensor or a non-contact sensor, and the non-contact sensor is Hall sensor or optical sensor, and the sensing device 32 is coupled to a processing unit 4, so that when the transmission element 1 is driven to change the gear position of the shifting element 2, the sensing device 32 can correspondingly sense the a sensing element 31;

It should be noted that, when the sensing unit 3 is a Hall sensor, in one embodiment, the sensing element 31 can be a magnet or a magnetic material, so that the sensing device 32 can use the sensing element 31 To accurately determine the adjusted gear position, the magnetic polarities of the adjacent sensing elements 31 are arranged in opposite directions.

As far as the adjustment of the transmission element 1 to the transmission element 2 is concerned, in one embodiment, the transmission element 1 is arranged in a ring shape, and the adjusting member 11 is provided at the inner edge thereof. In other embodiments, it can also be configured On one side in the radial direction of the transmission element 1, it is only an example and not limited thereto; and it can be known that the transmission element 2 can be an inner transmission, and the inner transmission is usually equipped with adjustable gears. Therefore, the speed change ring of the speed change element 2 is provided with a transmission part 21 corresponding to the adjustment part 11, so that the transmission element 1 can be transmitted to the transmission part 21 through the adjustment part 11, and then the speed change element can be adjusted accordingly 2 stalls;

A driving unit 5 is correspondingly arranged and driven on the transmission element 1; in a specific embodiment, the driving unit 5 can be a motor, such as a DC motor or a stepping motor, and the transmission element 1 can be driven by a corresponding The transmission disc or toothed disc is only an example, not a limitation; and when the driving unit 5 can be a motor, in order to reduce the speed or increase the transmission force, in another embodiment, Between the transmission element 1 and the drive unit 5, as shown in Figures 4 and 5, at least one reduction gear 6 is further provided. In one embodiment, the reduction gear 6 may be gears with different sizes or pitches. In order to achieve the effect of deceleration, in other embodiments, there may also be single, multiple or combined gears, worms, pulleys, friction wheels or sprockets, all of which are only illustrative and not limiting.

An attitude sensing unit 33 is used for sensing the attitude of a vehicle and correspondingly generating a state value; the vehicle described in this creation, specifically, refers to a two-wheeled vehicle, such as a two-wheeled electric vehicle, an electric vehicle Bicycle, and the posture of the vehicle, including its inclination angle with the direction of gravity due to the road section or riding posture, such as: the pitch angle of the front and rear of the vehicle, the yaw angle of the left and right sides, or a combination thereof, so it can be known, the state The measurement value is the corresponding measurement value; therefore, in one embodiment, the attitude sensing unit 33 can be any one of an electronic level, an accelerometer, and a gyroscope corresponding to sensing its inclination. , and can be a corresponding one-dimensional, two-dimensional or three-dimensional sensing module, but it is only an example, not a limitation; and because the sensing configuration may produce measurement deviation due to temperature, so in In a preferred embodiment, the attitude sensing unit 33 is further correspondingly provided with a temperature sensing element 331, and the temperature sensing element 331 is used to detect the ambient temperature of the vehicle to generate a temperature value, the attitude sensing unit 33 is based on the temperature value to eliminate the compensation of the attitude sensing unit 33 for the zero position angle offset of the state value.

The processing unit 4, whose signal is connected to the driving unit 5, the sensing unit 3, the attitude sensing unit 33 and a shift control device 7; in one embodiment, the processing unit 4, the sensing device 32 and the attitude The sensing unit 33 can be configured on a circuit board 41; and as for the shift control device 7, the shift control device 7 is an electronic shift device with wired or wireless transmission, which is used to transmit a shift The command is given to the processing unit 4, so it can be known that the electronic shift device can be as shown in FIG. 6, and in one embodiment, it can have an electric shift button, so that the user can shift according to the shifting needs or timing, By manually pressing the electric shift button to transmit the shift command, or by combining the existing automatic detection of the speed or torque provided by the electric vehicle, in addition, it can be calculated automatically by the microprocessor according to the driving conditions of the vehicle posture. A more suitable gear, and then automatically issue a shift command or limit its shifting; and the configuration of the attitude sensing unit 33 is for the shift control device 7 to receive the vehicle attitude sensed by the attitude sensing unit 33. The state value of the state value enables the shift control device 7 to automatically calculate a suitable gear, so as to automatically perform a suitable gear change, thereby achieving smoothness and comfort of riding.

In terms of signal transmission, if it is an electronic shifting device with wired transmission, it may have a transmission line, so that the shifting command is transmitted to the processing unit 4 through the transmission line, and if it is an electronic shifting device with wireless transmission, Then there is a signal transmitter, and in one embodiment, the processing unit 4 is further coupled to a communication unit 411, the communication unit 411 can also be configured on the circuit board 41, and the communication unit 411 is connected to the remote signal The signal transmitter of the shift control device 7, and the attitude sensing unit 33 can transmit the state value to the shift control device 7 through the communication unit 411; and the shift control device 7 uses the remote The signal transmits the gear shift instruction to the communication unit 411 so as to be transmitted to the processing unit 4 , but it is only an example and not a limitation.

As far as the overall structural configuration is concerned, the present invention can include a casing 8, in which the circuit board 41, the transmission element 1 and the drive unit 5 are arranged, so as to achieve the effect of protection and prevent the external environment from affecting its operation. , and in order to make the drive unit 5 rotate stably, the casing 8 is detachably fixed to a suitable place of the vehicle 9, such as a bracket or a rear axle, to prevent the casing 8 from being rotated by external force or reaction force Since the attitude sensing unit 33 is arranged on the circuit board 41, it can be known that the attitude sensing unit 33 is based on the position and inclination of the casing 8, and measures the attitude of the vehicle 9 accordingly, but its It is for illustration only, and is not intended to be limiting.

Thereby, the shift control device 7 transmits the shift command to the processing unit 4, so that the processing unit 4 defines the gear position and the rotational position corresponding to the shift command, and controls the drive unit 5 to drive the transmission element 1 to rotate To adjust the gear position of the transmission element 2, and when the sensing unit 3 senses that the transmission element 1 rotates to a defined rotational position, that is, the sensing device 32 senses the sensing element corresponding to the gear position and the rotational position At 31:00, the precise adjustment of the gear position is completed, so the processing unit 4 immediately stops the operation of the driving unit 5 to prevent excessive or wrong adjustment of the gear position.

For example, if the shift command is to raise two gears upward, as shown in FIG. 5 , the processing unit 4 makes the drive unit 5 operate the transmission in one direction and rotate the transmission element 1 to adjust the gear of the transmission element 2 The number of times the sensing device 32 senses the sensing element 31 is calculated at the same time. If the number of times is two, it is determined that the two gears have been adjusted to reach the defined rotational position, so the drive unit 5 is immediately stopped to achieve This achieves the purpose and effect of accurately adjusting the gear; on the contrary, if the gear is to be lowered, the drive unit 5 is driven to operate in another direction, and the sensing method is the same, so it is not repeated here.

In another embodiment, in order to repeatedly confirm that the gear position command of the shift control device 7 conforms to the actual gear position, especially it is an electronic shift device, when the processing unit 4 stops the operation of the driving unit 5 When the gear shift control device 7 has a display screen, it can also be The gear position corresponding to the gear position command is displayed correspondingly, so as to further prevent the shifting control device 7 from issuing an incorrect shifting command, which can ensure the smoothness and safety of the user when riding, and can prevent the shifting element 2 Damaged due to wrong gear adjustment.

As far as the configuration of the attitude sensing unit 33 and the generation of the state value are concerned, the attitude sensing unit 33 in this embodiment, as described above, is disposed in the casing 8 and fixed on the rear axle of the vehicle 9 . An appropriate place is to make it detect the change of the vehicle attitude at any time, so when the vehicle 9 starts downhill, its speed and pedaling resistance are relatively low, as shown in Figure 7, if only the speed or torque is used as the shifting condition , there will be poor pedaling efficiency or empty pedaling, and when driving downhill, the acceleration will be too high, so the shifting frequency will be too high, and the pedaling resistance and frequency of the rider will change too quickly, resulting in poor riding experience. In this regard, the present creation is based on the setting of the attitude sensing unit 33, so that the pitching condition of the vehicle 9 can be detected in real time, and the state quantity is generated accordingly, so as to be in different slope road conditions when stationary, which can be integrated into the electric vehicle. information such as speed and torque, actively instruct the shift control device 7 to generate corresponding shift commands, so that the transmission element 1 can adjust the transmission element 2 to a suitable higher starting gear as described above, and perform arithmetic processing and under specified conditions. Transmission shifts are assigned to this device by way of example and not limitation.

In another embodiment, when the vehicle 9 is in a rolling state as shown in FIG. 8 due to turning, the attitude sensing unit 33 can also detect its attitude in real time, and generate a corresponding state value, Therefore, when the inclination angle reaches a certain angle, the shift control device 7 can be actively generated to generate a corresponding shift command, so that the transmission element 1 can limit the rotation, so as to avoid improper gear change when riding through a curve, affecting the pedaling resistance or The drastic change of frequency ensures the smoothness and safety of riding, or the communication unit 411 transmits the signal of the vehicle attitude to the shift control device 7, so that the information such as speed and torque on the electric vehicle can be integrated for calculation processing. And the lock shift is assigned to the device under specified conditions, but it is only an example and not a limitation.

Looking at the above, the technical means disclosed in this creation are not only unprecedented, but also can achieve the expected purpose and effect, so they are both novel and progressive, and they are indeed new and infallible under the patent law. In terms of structure, it has indeed met the statutory requirements of the Patent Law, and an application for a new type patent can be filed in accordance with the law.

However, the above are only the preferred embodiments of this creation, and should not be used as a limitation on the scope of implementation of this creation. within the scope of this creative patent.

1: Transmission elements

11: Adjust the parts

2: Shift element

21: Transmission parts

3: Sensing unit

31: Sensing element

32: Induction device

33: Attitude Sensing Unit

331: Temperature sensing element

4: Processing unit

41: circuit board

411: Communication unit

5: Drive unit

6: Reducer

7: Shift control device

8: Shell

9: Vehicles

Figure 1 is a schematic diagram of the structure of this creation. Figure 2 is a three-dimensional schematic diagram of this creation. Figure 3 is a three-dimensional exploded schematic view of the installation of this creation. Figure 4 is a schematic exploded perspective view of the shell part of the creation. Figure 5 is a schematic side view of this creation after the casing is removed. Fig. 6 is a schematic diagram of the use state of the shift control device of the present invention. Figure 7 is a schematic diagram of the use state of the vehicle attitude sensing in the present invention in pitch detection. Figure 8 is a schematic diagram of the state of use of the vehicle attitude sensing in the present invention for roll detection.

32: Induction device

33: Attitude Sensing Unit

331: Temperature sensing element

4: Processing unit

41: circuit board

411: Communication unit

5: Drive unit

7: Shift control device

Claims (9)

A bicycle electronic gear shifting and vehicle attitude sensing device, comprising: a transmission element, which is arranged in a ring shape, and an adjustment part is arranged at the inner edge, the adjustment part is used for transmission and connected to a speed change element, so as to adjust the gear position of the speed change element; a sensing unit corresponding to sensing the rotational position of the transmission element corresponding to the gear position of the shifting element; the sensing unit is a Hall sensor, which includes a plurality of sensing elements and a sensing device, and the sensing The measuring elements are correspondingly arranged on the transmission element, and are arranged in an array at intervals corresponding to the gear position of the transmission element and the moving direction of the transmission element; an attitude sensing unit, which is used for sensing the attitude of a vehicle and correspondingly generating a state value; a drive unit, which is correspondingly arranged and driven to the transmission element; and a processing unit whose signal is connected to the driving unit, the sensing device, the attitude sensing unit and a shifting control device; the shifting control device correspondingly receives the state value and generates a shifting command accordingly It is transmitted to the processing unit, so that the processing unit defines the gear position and the rotational position corresponding to the shifting command, and controls the driving unit to drive the transmission element to rotate to adjust the gear position of the shifting element, and the sensing When the unit correspondingly senses that the transmission element rotates to a defined rotational position, the processing unit stops the operation of the driving unit. The bicycle electronic gear shifting and vehicle attitude sensing device as claimed in claim 1, wherein at least one speed reduction device is further provided between the transmission element and the drive unit. The device for bicycle electronic gear shifting and vehicle attitude sensing according to claim 1, further comprising a casing, the transmission element and the driving unit are arranged in the interior, and the casing is fixed to a cyclist. The device for bicycle electronic gear shifting and vehicle attitude sensing according to claim 1, wherein the shifting element is an internal derailleur, and the shifting element is provided with a transmission part corresponding to the adjusting part, and the transmission part can correspond to the Those who adjust the gear position of the transmission element. The bicycle electronic gear shifting and vehicle attitude sensing device according to any one of claim 1 to claim 4, wherein the attitude sensing unit is an electronic level, an accelerometer or a gyroscope. According to any one of claim 1 to claim 4, the bicycle electronic gear shift and the device with vehicle attitude sensing, wherein the attitude sensing unit can be a one-dimensional, two-dimensional or three-dimensional sensing module. The bicycle electronic gear shift and the device with vehicle attitude sensing according to any one of claim 1 to claim 4, wherein the attitude sensing unit is further provided with a temperature sensing element, and the temperature sensing element uses The ambient temperature of the vehicle is detected to generate a temperature value, and the attitude sensing unit is correspondingly compensated for the state value according to the temperature value. The bicycle electronic shifting device and the device with vehicle attitude sensing according to any one of claim 1 to claim 4, wherein the shifting control device is an electronic shifting device with wired or wireless transmission. The bicycle electronic gear shift and vehicle attitude sensing device according to claim 8, wherein the processing unit is further coupled to a communication unit, and the communication unit is connected to the shift control device by a remote signal, and the attitude The sensing unit transmits the state value to the shift control device through the communication unit, and the shift control device transmits the shift command to the communication unit through a remote signal, so as to transmit it to the processing unit, And when the processing unit stops the operation of the driving unit, a gear command is sent back to the shift control device.

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