TWI815681B - Intelligent braking device - Google Patents

Abstract

An intelligent braking device includes a base, a driving assembly, a cam position detection assembly, a fixing piece, a link and a control module. Wherein, the control module generates a stepping drive signal according to at least one driving state parameter and the cam position of the cam position detection assembly, and transmits the stepping drive signal to the drive motor of the driving assembly, so as to control the cam rotate, so as to use the cam to drive the link to tighten a bicycle brake line.

Description

Intelligent braking device

The present invention relates to an intelligent braking device, and in particular, to an intelligent braking device that can pull a braking line through a cam and a linkage rod.

Generally speaking, vehicles such as cars or motorcycles usually use advanced driving systems (Advanced Driver Assistance System) to assist the driver's driving safety. The operating principle is to add an extra brake cylinder to the brake oil circuit, so that this device can The oil pressure hits the brake pads, which in turn causes the brake discs to brake.

Following the above, although ADAS can be installed on cars or motorcycles to assist the driver's driving safety, its principle of action is to use the brake cylinder to control the brake oil circuit, so this method of action is not suitable for vehicles that do not use hydraulic pressure. Bicycle with brake line control.

In view of the fact that in the previous technology, the existing ADAS system can be used in vehicles such as cars or motorcycles that use brake cylinders to control the brake oil circuit, but bicycles do not use oil pressure to control the brake line, so they cannot use the existing ADAS system; Therefore, the main purpose of the present invention is to provide an intelligent braking device that can be used to assist the braking of bicycles.

In order to solve the problems of the prior art, the necessary technical means adopted by the present invention is to provide an intelligent braking device, which is used to drive a brake line of a bicycle to move in the direction of a brake cable to assist the bicycle in braking. The intelligent braking device includes A base, a driving component, a cam position detection component, a fixing component, a linkage rod and a control module.

The base is fixed to a bicycle frame. The driving assembly is fixed on the base and includes a driving motor, a cam and a synchronization gear. The driving motor system has an output shaft and drives the output shaft to rotate according to a driving signal. The cam system is fixedly connected to the output shaft and driven to rotate by the output shaft. The synchronizing gear system is fixedly connected to the output shaft and driven by the output shaft to rotate synchronously with the cam.

The cam position detection component is fixed on the base and includes a linkage gear, a rotation position encoder and a decoding operation module.

The interlocking gear train is meshed with the synchronization gear to cooperate with the synchronization gear. The rotary position encoder detects one of the linked directions of the linked gear to generate an azimuth code. The decoding operation module decodes the position code and converts one of the cam positions of the cam accordingly. The fixing part is fixed to the brake line.

The linking rod is pivotally connected to the base and has a first end and a second end that are oppositely arranged. The first end is in contact with the cam and is driven by the cam to cause the linking rod to Rotate, and the second end is used to push the fixing member when the linkage rod rotates to drive the brake line to move in the direction of the brake cable to assist the bicycle in braking.

The control module is communicatively connected to the decoding calculation module and the drive motor, thereby generating the step drive signal based on at least one driving state parameter and the cam position, and transmitting the step drive signal to the drive motor.

Wherein, the at least one driving state parameter includes at least one of a driving speed, a following safety distance and an obstacle warning distance.

In an ancillary technical means derived from the above necessary technical means, the second end further has a pushing structure, and the pushing structure is used to push the fixing member. Preferably, the pushing structure further has a groove for the braking line to pass through.

In an ancillary technical means derived from the above necessary technical means, the linkage rod further includes a linkage rod body and a pivot piece. The linkage rod body system is movably arranged in the base and has the oppositely arranged The first end and the second end extend from the base toward the braking line, and the pivot member is passed through the linking rod body and fixed to the base, whereby The linkage rod body is rotatably connected to the base.

Preferably, the linkage rod body further includes a first rod member and a second rod member. The first rod extends along a brake cable direction. The second rod is connected to the first rod and extends along an axial direction perpendicular to the direction of the brake cable.

In addition, the second rod has a pivot portion, which is rotatably connected to the pivot and is adjacent to the connection between the first rod and the second rod.

In an ancillary technical means derived from the above necessary technical means, the base further includes a base body, which is fixed to the bicycle frame and has an accommodating space. The driving component and the cam position detector The measuring component is fixed to the base body, and the linkage rod is rotatably disposed in the accommodating space, and the second end extends out of the accommodating space.

As mentioned above, the smart braking device of the present invention mainly uses a control module to generate a step drive signal based on at least one driving state parameter and the cam orientation of the cam orientation detection component, and transmits the step drive signal to the drive motor of the drive component. , to control the rotation of the cam, and use the cam to drive the linkage rod to tighten the brake line of the bicycle.

Specific embodiments used in the present invention will be further described through the following examples and drawings.

Please refer to the first and second figures. The first figure is a three-dimensional schematic diagram showing the intelligent braking device provided on the bicycle according to the preferred embodiment of the present invention; the second figure shows the intelligent braking device provided by the preferred embodiment of the present invention. A partially exploded three-dimensional diagram of the device.

As shown in the first and second figures, an intelligent braking device 100 includes a base 1, a driving component 2, a cam position detection component 3, a fixing member 4, a linkage rod 5 and a control module 6 . Among them, the smart braking device 100 of this embodiment is used to drive a braking wire 202 of a bicycle 200 to move along a braking wire direction D1 to assist the bicycle 200 in braking.

Please continue to refer to the third figure. The third figure is a partially exploded perspective view of the intelligent braking device provided by the preferred embodiment of the present invention. As shown in the first to third figures, the base 1 includes a base body 11 , a first side cover 12 , a second side cover 13 and a fixed frame 14 . The base body 11 is fixed to the bicycle frame 201, and the base body 11 has an accommodation space 111, a first opening 112 and a second opening 113. The accommodation space 111 extends along the brake cable direction D1. The opening 112 and the second opening 113 are opened at both ends of the base body 11 and are respectively connected to the accommodating space 111 .

The driving assembly 2 includes a driving motor 21 , a cam 22 and a synchronization gear 23 . The drive motor 21 is fixed to the base body 11 and has an output shaft 211 extending along an axial direction D2 perpendicular to the brake cable direction D1, and drives the output shaft 211 to rotate based on a drive signal (not shown). In this embodiment, the driving motor 21 is a stepper motor, and the driving motor 21 is locked to the outer wall of the base body 11 , and the output shaft 211 passes through the base body 11 and extends into the accommodating space 111 .

The cam 22 is fixedly connected to the output shaft 211 and is driven by the output shaft to rotate. The cam 22 further has a sliding structure 221 . The synchronization gear 23 is fixedly connected to the output shaft 211 and is driven by the output shaft 211 to rotate synchronously with the cam 22 . Among them, the cam 22 and the synchronization gear 23 are respectively sleeved on the output shaft 211 and fixedly connected to the output shaft 211. Therefore, the cam 22 and the synchronization gear 23 can be driven by the output shaft 211 to rotate synchronously.

In this embodiment, the synchronization gear 23 is first sleeved on the output shaft 211 and adjacent to the inner wall of the base body 11, and then the cam 22 is sleeved on the output shaft 211. However, it is not limited to this in other embodiments. , or the cam 22 can be set first and then the synchronization gear 23 can be set.

The cam position detection component 3 includes a rotation position encoder 31 , a linkage gear 32 and a decoding operation module 33 .

The rotational orientation encoder 31 is fixed to the base body 11 and has a detection shaft 311 extending along the axial direction D2. In this embodiment, the rotational orientation encoder 31 is locked to the outer wall of the base body 11. The detection rotating shaft 311 passes through the base body 11 and extends into the accommodating space 111 .

The linkage gear 32 is fixed to the detection shaft 311 and meshes with the synchronization gear 23 to cooperate with the synchronization gear 23, thereby driving the detection shaft 311 to rotate, so that the rotational orientation encoder 31 generates an orientation through the rotation of the detection shaft 311. code.

The decoding operation module 33 is electrically connected to the rotational orientation encoder 31 and is used to receive the orientation code generated by the rotational orientation encoder 31 and decode the orientation code, thereby converting one of the cam orientations of the cam 22 .

The fixing part 4 is fixed on the braking line 202. Among them, the fixing member 4 is a fixing device that can be fixed to the brake cable 202 and other wire ropes through clamping or locking.

The linking rod 5 includes a linking rod body 51 and a pivot member 52 . The linking rod body 51 includes a first rod 511 and a second rod 512 . The first rod 511 is disposed in the accommodation space 111 and has a first connecting part 5111 and a first end part 5112. The first connecting part 5111 extends to the first end part 5112 along the brake cable direction D1. The first end portion 5112 is in contact with the sliding structure 221 of the cam 22; the first connecting portion 5111 is exposed in the second opening 113, and the first end portion 5112 is exposed in the first side cover 12 when the first side cover 12 is removed. The first opening 112 is actually covered and protected by the first side cover 12 .

In addition, the cam 22 of this embodiment is composed of two rectangular pieces (not shown in the figure) clamping the sliding structure 221, and one end of the two rectangular pieces is sleeved and fixed on the output shaft 211, and the other end is The sliding structure 221 is clamped, and the sliding structure 221 is, for example, a roller, but is not limited thereto. In other embodiments, the sliding structure 221 can also be a ball, and even the entire cam 22 can have a smooth lead angle. The structure uses a smooth lead angle to contact the first end 5112, thereby making the process of pushing the first rod 511 to swing more smoothly.

The second rod 512 has a second connecting portion 5121 and a second end portion 5122. The second connecting portion 5121 extends toward the brake line 202 along a vertical direction D3 perpendicular to the brake cable direction D1 to the second end portion 5122. , and the second connecting part 5121 is connected to the first connecting part 5111 at the second opening 113; wherein, the second rod 512 also has a pivot part 5123, and the pivot part 5123 is adjacent to the first rod 511 and The connection point of the second rod 512.

In addition, the second end 5122 also has a pushing structure 51221. The pushing structure 51221 is used to push the fixing member 4, and the pushing structure 51221 also has a groove G for the brake line 202 to pass through; although the pushing structure 51221 is In the embodiment, a groove G is provided for the braking wire 202 to pass through. However, the push structure 51221 is not limited to this. In other embodiments, the pushing structure 51221 may also provide a hole (not shown) for the braking wire 202 to pass through. The main difference lies in , the groove G can be directly placed on the braking line 202, while the hole requires the user to remove the braking line 202 from the braking mechanism to pass through the hole, and then the user needs to install the braking mechanism back.

The pivot member 52 is fixed to the base body 11 and the fixed frame 14 of the base 1, and the pivot portion 5123 is rotatably sleeved on the pivot member 52, so that the linking rod body 51 uses the pivot member 52 as a The axis is rotatably connected to the base 1.

The control module 6 is communicatively connected to the decoding calculation module 33 to generate a step drive signal based on at least one driving state parameter and the orientation of the cam 22, and transmit the step driving signal to the drive motor 21; wherein, at least one driving state parameter It includes a driving speed, a following safety distance and an obstacle warning distance. In addition, the control module 6 may actually be software installed and executed in other electronic devices, for example, it may be a navigation device installed on the bicycle 200, and may be communicatively connected to the decoding computing module 33 through a wired connection via a physical line, or may be It is a smart phone and is connected to the decoding computing module 33 through wireless transmission technology such as Bluetooth.

As mentioned above, the driving status parameters are mainly related to situations where braking is generally required. For example, the driving speed is to prevent the bicycle from going too fast. In practice, it must be used with a speed detection device, such as a navigation device, etc., and it can also Further set the straight line speed safety value, corner entry speed safety value or downhill speed safety value to prevent the bicycle 200 from going too fast in a straight line, curve or downhill and causing the bicycle 200 to lose control. The corner entry speed safety value also needs to cooperate with navigation. The device locates whether the bicycle 200 is ready to enter a curve, and the downhill speed safety value needs to be combined with a navigation device, a level or a gravity meter to determine whether the bicycle 200 is on a downhill route; the following safety distance is to avoid the distance between the bicycle 200 and the vehicle in front. Too close may cause danger; the obstacle warning distance is used to increase the user's reaction time when encountering obstacles through braking, thereby preventing the bicycle 200 from hitting obstacles.

Please continue to refer to Figures 4 to 6. Figure 4 shows the intelligent braking device provided by the preferred embodiment of the present invention by removing the first side cover and the second side cover to show the cam in the initial position and the second side cover. A schematic three-dimensional view of the relative position of the rod; the fifth figure shows the intelligent braking device provided by the preferred embodiment of the present invention by removing the first side cover and the second side cover to show that the driving assembly drives the cam to rotate 45 degrees. A schematic three-dimensional view of driving the first rod to swing; the sixth figure shows the intelligent braking device provided by the preferred embodiment of the present invention by removing the first side cover and the second side cover to show that the driving assembly drives the cam to rotate 90 degrees. Three-dimensional diagram of driving the first rod to swing.

As shown in Figures 1 to 6, when the control module 6 is communicatively connected to the decoding operation module 33 and the drive motor 21, it generates a step drive signal based on at least one driving state parameter and the cam position, and controls the step The drive signal is transmitted to the drive motor 21; among them, the control module 6 mainly calculates the speed required to be controlled based on the driving state parameters, and determines the tightening degree of the brake line 202 based on the cam position to determine whether the brakes need to be tightened. Line 202, or relax the brake line.

Following the above, the cam 22 in the fourth figure is in the initial position without driving the linkage rod 5 to rotate, while the cam 22 in the fifth figure is controlled to rotate 45 degrees, and the cam 22 in the sixth figure is controlled to rotate 45 degrees. Control and turn 90 degrees. In this embodiment, it is preset that when the cam 22 rotates 90 degrees, the swing angle of the second rod 512 driven by the cam 22 can pull the brake line 202 to the tightest position.

To sum up, compared with the existing ADAS system that can be applied to vehicles that use brake cylinders to control the brake oil circuit, it is not applicable to bicycles that do not use brake cylinders to control the brake oil circuit; the intelligent braking device provided by the present invention The control module can be used to generate a step drive signal based on at least one driving state parameter and the cam position of the cam position detection component, and transmit the step drive signal to the drive motor of the drive component to control the cam rotation and use the cam to drive the linkage. The lever tightens the brake line of the bicycle, thereby assisting the user in controlling the brakes of the bicycle, effectively increasing the user's safety when riding a bicycle.

Through the above detailed description of the preferred embodiments, it is hoped that the characteristics and spirit of the present invention can be more clearly described, but the scope of the present invention is not limited by the above disclosed preferred embodiments. On the contrary, the intention is to cover various modifications and equivalent arrangements within the scope of the patent for which the present invention is intended.

100:Intelligent braking device 1: base 11:Base body 111: Accommodation space 112:First opening 113:Second opening 12:First side cover 13:Second side cover 14:Fixed frame 2:Drive components 21: Drive motor 211:Output shaft 22:Cam 23:Synchronized gear 221: Slip structure 3: Cam position detection component 31: Rotary orientation encoder 311: Detect rotation axis 32: Interlocking gear 33: Decoding operation module 4: Fixtures 5: linkage rod 51: Linking rod body 511:The first member 5111:First Connection Department 5112: first end 512:Second member 5121:Second link part 5122:Second end 51221: push structure 5123: Pivot joint 52: Pivot joint 6:Control module 200:Bicycle 201:Bicycle rack 202:brake line D1: Brake cable direction D2: Axial D3: vertical direction G: Groove

The first figure is a schematic three-dimensional view showing an intelligent braking device provided on a bicycle according to a preferred embodiment of the present invention; The second figure is a partially exploded three-dimensional schematic diagram showing the intelligent braking device provided by the preferred embodiment of the present invention; The third figure is a schematic three-dimensional view showing a partially exploded view of the intelligent braking device provided by the preferred embodiment of the present invention from another perspective; The fourth figure is a three-dimensional schematic diagram showing the relative position of the cam and the first rod in the initial position by removing the first side cover and the second side cover of the intelligent braking device provided by the preferred embodiment of the present invention; The fifth figure is a three-dimensional schematic diagram showing the intelligent braking device provided by the preferred embodiment of the present invention by removing the first side cover and the second side cover to show that the driving assembly drives the cam to rotate 45 degrees to drive the first rod to swing; as well as The sixth figure is a schematic three-dimensional view showing the intelligent braking device provided by the preferred embodiment of the present invention by removing the first side cover and the second side cover to show that the driving assembly drives the cam to rotate 90 degrees to drive the first rod to swing.

100:Intelligent braking device

1: base

11:Base body

12:First side cover

13:Second side cover

14:Fixed frame

4: Fixtures

5: linkage rod

51: Linking rod body

5111:First Connection Department

5112: first end

512:Second member

5121:Second link part

5122:Second end

51221: push structure

52: Pivot joint

6:Control module

200:Bicycle

201:Bicycle rack

202:brake line

D1: Brake cable direction

D3: vertical direction

G: Groove

Claims (7)

An intelligent braking device is used to drive a brake line of a bicycle to move in the direction of a brake cable to assist the bicycle in braking. The intelligent braking device includes: a base fixed to a bicycle frame; A driving assembly is fixed to the base and includes: A driving motor has an output shaft and drives the output shaft to rotate according to a driving signal; a cam fixed to the output shaft and driven to rotate by the output shaft: and A synchronization gear is fixed to the output shaft and driven by the output shaft to rotate synchronously with the cam; A cam position detection component is fixed on the base and includes: A linking gear is meshed with the synchronizing gear to cooperate with the synchronizing gear; a rotary position encoder that detects one of the linked directions of the linked gear to generate an azimuth code; and A decoding operation module decodes the position code and converts one of the cam positions of the cam accordingly; A fixed component is fixed to the brake line; A linking rod is pivotally connected to the base and has a first end and a second end that are oppositely arranged. The first end is in contact with the cam so as to be driven by the cam to cause the The linkage rod rotates, and the second end is used to push the fixing member when the linkage rod rotates to drive the brake line to move in the direction of the brake cable to assist in braking the bicycle; and A control module is communicatively connected between the decoding calculation module and the drive motor, thereby generating a step-by-step drive signal based on at least one driving state parameter and the cam position, and transmitting the step-by-step drive signal to the drive motor; Wherein, the at least one driving state parameter includes at least one of a driving speed, a following safety distance and an obstacle warning distance. The intelligent braking device as claimed in claim 1, wherein the second end has a pushing structure, and the pushing structure is used to push the fixing member. The intelligent braking device as claimed in claim 2, wherein the pushing structure further has a groove for the braking line to pass through. The intelligent braking device as claimed in claim 1, wherein the linkage rod further includes a linkage rod body and a pivot member, the linkage rod body system is movably disposed in the base, and has the first and oppositely disposed One end and the second end, and the second end extends from the base toward the brake line, and the pivot member is passed through the linking rod body and fixed to the base, so that The linkage rod body is rotatably connected to the base. The intelligent braking device as described in claim 4, wherein the linkage rod body further includes: a first rod extending along the direction of the brake cable; and A second rod is connected to the first rod and extends along an axial direction perpendicular to the direction of the brake cable. The intelligent braking device as claimed in claim 5, wherein the second lever has a pivot portion, the pivot portion is rotatably connected to the pivot portion and is adjacent to the first lever and the pivot portion. The connection point of the second member. The intelligent braking device as claimed in claim 1, wherein the base further includes a base body, which is fixed to the bicycle frame and has a receiving space, and the driving component and the cam position detection The component is fixed to the base body, and the linkage rod is rotatably disposed in the accommodating space, and the second end extends out of the accommodating space.

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