CN117901986A - Electronic hydraulic disc brake device and disc brake method thereof - Google Patents

Abstract

The invention discloses an electronic hydraulic disc brake device, which comprises: the brake handle device is arranged on the handlebar and is provided with a rotating part and a Hall sensing element linked with the rotating part; the clamping device is in real-time linkage with the brake handle device and is used for changing the braking force according to the rotation angle of the rotating part, and comprises a driving part and a braking component, wherein the braking component is in driving linkage through the driving part; and the electronic control device is used for transmitting the rotation angle signal of the rotating component to the driving component and controlling the driving component to act so as to drive the brake assembly. An electronic hydraulic disc brake method is also disclosed. According to the electronic hydraulic disc brake device, braking force can be effectively transmitted in real time in an electronic control mode, braking, parking operation and speed reduction are achieved through the driving component driving braking assembly, the braking force is adjustable and controllable, and the brake linkage is good and the universality is good.

Description

Electronic hydraulic disc brake device and disc brake method thereof

Technical Field

The invention relates to the technical field of brake systems, in particular to an electronic hydraulic disc brake device and a disc brake method thereof.

Background

At present, in the field of personal travel vehicles, the performances of bicycles, tricycles, electric power-assisted vehicles, electric scooters and other vehicle types are better and better, and the speeds are higher and higher, so that the requirements on a braking system are stricter.

(1) The existing disc brake systems are roughly divided into two types, namely hydraulic disc brake and wire pulling disc brake;

(2) The hydraulic disc brake transmits braking force through brake oil filled in the sealed oil pipe, and the problems of oil leakage, air inlet, deterioration of the brake oil, aging, damage and cracking of the oil pipe and the like exist, so that braking force loss is caused, and driving accidents are caused. And the production and installation tool is complex, the oil filling process is required to be strictly controlled, the production efficiency is low, and the production cost is high.

(3) The brake part in the clamp is pulled by a wire pull disc brake to generate braking force through a metal cable, so that the friction force between the metal cable and a spool is overlarge, the metal cable is deformed or even broken, the braking force is lost, and the driving accident is caused.

Also, in the prior art, there is an electronic brake system using an electronic brake system, for example, disclosed in chinese patent literature (publication date: 2013-06-26, publication number: CN103171543 a), which includes: detecting elements carried by the left and right handles of the electric riding vehicle, respectively, which detect the operations of the corresponding brake levers; an electronic control unit connected to each of the detection elements so as to be able to distinguish output signals from the detection elements; and the electronic control unit is also connected to the motor of the electric riding vehicle so as to control the stepped braking operation of the motor based on the output signals from the respective detection elements representing the braking handle operation.

However, the technical scheme is that the motor of the electric riding vehicle is controlled by the electronic control unit to realize the graded braking operation, and the graded braking operation can only be used for the electric vehicle and cannot be designed for different types of vehicle types.

Therefore, a brake system is urgently needed to be designed, the brake system can be suitable for various vehicle types, the problems that oil leakage, air inlet, brake oil deterioration, oil pipe or spool ageing damage and breakage occur in the traditional hydraulic disc brake and wire pulling disc brake, and the brake force loss, the effective braking cannot be carried out according to preset brake force, driving accidents are easy to occur and the like are solved, meanwhile, the problems that production and installation tools are complex, the oil filling process is required to be strictly controlled, the production efficiency is low, the production cost is high and the like are also solved.

Disclosure of Invention

The invention aims to solve the problems that the existing disc brake system for the light vehicles driven by riding force of pedestrians such as bicycles, tricycles, electric power-assisted vehicles and electric scooters has complex production and installation procedures, low production efficiency and high production cost, and more importantly, the existing disc brake system has braking force transmission loss in operations such as speed reduction, braking, parking and the like, so that the brake cannot realize effective braking and parking according to preset braking force and is easy to cause running accidents and the like.

The technical scheme adopted by the invention for realizing the first invention purpose is as follows: an electronic hydraulic disc brake device comprising:

The brake handle device is arranged on the handlebar and is provided with a rotating part and a Hall sensing element linked with the rotating part;

The clamping device is in real-time linkage with the brake handle device and is used for changing the braking force according to the rotation angle of the rotating part, the clamping device comprises a driving part and a braking assembly, and the braking assembly is in driving linkage through the driving part;

And the electronic control device is integrated on the brake crank device and/or the clamp device or the frame, and is used for transmitting the rotation angle signal of the rotating part to the driving part and controlling the driving part to act so as to drive the brake assembly.

According to the electronic hydraulic disc brake device, the rotation angle change of the rotating part in the brake handle device is transmitted to the driving part in the clamp device in real time through the electronic control device, the driving part can change the operation amplitude in real time along with the rotation angle of the rotating part, so that the actually required braking force is provided for the brake assembly, the sensitive control of the braking force is realized, the braking force can be controlled according to the actual requirement of a user and through the rotation operation of the rotation angle of the rotating part by the user, the brake assembly is driven by the driving part to realize the speed reduction, braking and parking operation, the operation is sensitive and reliable, the adjustable and controllable braking force is realized, the braking linkage is good, the occurrence of the braking locking phenomenon can be avoided, and meanwhile, the electronic control device replaces the traditional disc brake oil pipe or the traditional spool, so that the braking force loss caused by the problems of oil leakage, air inlet, braking oil deterioration, easy ageing, cracking and cable breakage and the like caused by adopting the oil pipe or the spool is avoided. In addition, the electronic hydraulic disc brake device is not limited by the vehicle type, and can realize braking operation only by installing the brake crank device and the clamp device at the positions of the handle bars and the discs as required, and can be suitable for different vehicle types, such as foot-operated type, electric type and the like, and has the advantages of good universality, convenient installation and operation, high production efficiency and low cost.

Preferably, the electronic control device adopts wireless Bluetooth control. As a preferable scheme, the electronic control device adopts wireless Bluetooth control, and adopts wireless Bluetooth control, so that the arrangement of a control circuit is avoided, and the whole vehicle is tidier according to more convenience.

Preferably, the electronic control device comprises a brake crank electronic control device and a clamp electronic control device. The electronic control device is preferably in a split setting structure, and the electronic control device of the brake crank and the electronic control device of the clamp are respectively arranged, so that the split control of signal transmission and operation of a control driving part is realized, and the electronic control device, the brake crank device and the clamp device can be conveniently integrated and modularized during convenient control, so that the installation is more convenient.

Preferably, the brake crank electronic control device comprises a brake crank Bluetooth module and a brake crank controller, and the clamp electronic control device comprises a clamp Bluetooth module and a clamp controller. The brake crank electronic control device is mainly provided with a brake crank Bluetooth module and a brake crank controller, when the brake crank electronic control device is used, the Hall sensing element senses angular movement change, sensed signals are driven by the brake crank controller and transmitted to the clamp electronic control device through the brake crank Bluetooth module, and after the clamp Bluetooth module in the clamp electronic control device receives signals transmitted by the brake crank, the signals are transmitted to the driving part through the clamp controller, and the driving part starts working.

Preferably, the electronic control device adopts wire line control. As another preference, the electronic control device may also be wire-line controlled, as well as being capable of electronically controlled operation.

Preferably, the electronic control device comprises a brake crank electronic control device and a clamp electronic control device. The electronic control device can also be a brake crank electronic control device and a clamp electronic control device which are arranged in a split mode in a wired line control mode.

Preferably, the brake crank electronic control device comprises a brake crank controller connected with the Hall sensing element through a circuit, and the clamp electronic control device comprises a clamp controller connected with the driving part through a circuit. The line and the brake lever controller are adopted to transmit the angle change signal of the rotating part to the clamp controller, and the angle change signal is transmitted to the driving part through the clamp controller, so that the driving part starts to work.

Preferably, the electronic control device adopts wireless Bluetooth control and wired line control dual control. The adoption of wireless and wired dual control can avoid effective brake control in the environment without Bluetooth signals.

Preferably, the brake crank device and the clamp device are respectively powered by a single battery, or the brake crank device and the clamp device are powered by external independent batteries, or the brake crank device and the clamp device are powered by a whole vehicle battery. In order to meet the requirements of different vehicle types, the brake crank device and the clamp device can be in a mode of independently supplying power by using a single battery respectively, can also be in a mode of supplying power by using an external independent battery, can also be in a mode of supplying power by using a whole battery on an electric vehicle, and can be specifically arranged to be selected according to actual installation requirements, so that the overall universality design of the device is realized.

Preferably, the hall sensing element comprises magnetic steel arranged on the rotating part and a hall sensor for sensing angular movement change of the magnetic steel and transmitting sensing signals to the electronic control device. As the preferred scheme, hall sensing element mainly includes magnet steel and hall sensor, and the magnet steel sets up on rotating member and rotates along with rotating member and produce angle change, and hall sensor then responds to angle change often to transmit angle change signal, thereby realize the real-time regulation of braking force size, sensitivity performance is good.

Preferably, the magnetic steel adopts an integrated structure, and the magnetic steel is embedded and fixed on the rotating part. The magnetic steel can adopt an integrated structure and is embedded and fixed on the rotating part to rotate together with the rotating part to change the angle.

Preferably, the magnetic steel adopts a magnetic field adjusting structure, and the magnetic steel is arranged on the rotating part in a telescopic way; the rotating part switches the strong and weak modes of the magnetic steel generated magnetic field in the clockwise or anticlockwise rotating process. As another preferable scheme, the magnetic steel can also adopt a magnetic field adjusting structure, and is provided with a strong magnetic end and a weak magnetic end, so that a strong magnetic mode or a weak magnetic mode can be selected according to specific environments.

Preferably, the rotating member includes a rotating portion and a toggle portion. The rotating part can select an integral structure or a split structure, and mainly comprises a rotating part and a poking part, the poking part is convenient for a user to poke, and the rotating part is convenient for the installation of the magnetic steel and can drive the magnetic steel to rotate, so that the angle change is realized.

Preferably, the rotating part is provided with a telescopic groove, the magnetic steel is arranged inside the telescopic groove in a telescopic way, and the rotating part is provided with a telescopic limiting piece. When the magnetic steel is arranged in the magnetic field adjusting type structure, the telescopic groove is formed in the rotating part, and when the magnetic steel is used, the magnetic steel is arranged inside the telescopic groove, and the rotating part is rotated clockwise or anticlockwise so as to realize the switching between the strong magnetic end and the weak magnetic end.

Preferably, the brake assembly comprises an oil cylinder piston assembly and a clamp piston, the oil cylinder piston assembly comprises an oil cylinder piston, an oil cylinder piston rod connected with the oil cylinder piston and a return spring, a driving push rod is arranged on the driving part, and the oil cylinder piston rod is hinged with the driving push rod and is driven by the driving push rod to move so as to drive the clamp piston to move. The brake component mainly comprises an oil cylinder piston component and a clamp piston, the oil cylinder piston component mainly comprises an oil cylinder piston and an oil cylinder piston rod, the oil cylinder piston is used for pushing hydraulic oil in a piston cavity to move towards the clamp piston, so that the clamp piston is driven to move to clamp a disc, the oil cylinder piston rod is hinged to a driving push rod on a driving part, the driving push rod moves under the driving of the driving part, the oil cylinder piston rod is driven to move to push the hydraulic oil, the oil cylinder piston rod is preferably hinged to the driving push rod, the transmission direction can be timely adjusted in the force transmission process, the force transmission direction caused by rigid connection can be prevented from being incapable of being adjusted, and therefore the force transmission loss and abrasion to parts and sealing parts in the oil cylinder piston component can be guaranteed, and the effective transmission of braking force and the effective service life promotion can be guaranteed.

The technical scheme adopted by the invention for achieving the second invention purpose is as follows: an electronic hydraulic disc brake method, which utilizes the electronic hydraulic disc brake device, comprises the following steps:

Step 1: the rotating part is stirred, magnetic steel arranged on the rotating part moves along with the rotating part, the Hall sensor senses the angular movement change, and the sensed angular change signal is transmitted to the clamp device through the electronic control device in real time;

Step 2: after the clamp device receives the signal transmitted by the brake handle device, the signal is transmitted to the driving component through the electronic control device, and the driving component starts to work;

step 3: the driving part changes the operation amplitude in real time along with the rotation angle of the rotating part, drives the driving push rod connected with the driving part to move, drives the oil cylinder piston rod linked on the driving push rod to move, and drives the hydraulic oil to drive the clamp piston and the brake pad connected on the clamp piston to perform relative movement, so as to apply pressure to discs arranged on the frame and the front fork, generate braking force actually required by the rotating part and realize the brake braking with sensitive adjustment of the braking force.

According to the electronic hydraulic disc brake method, the braking force can be controlled according to the actual needs of a user and through the rotation operation of the user on the rotation angle of the rotating part, the braking force can be effectively transmitted in real time, the braking assembly is driven by the driving part to realize the operations of speed reduction, braking and parking, the operation is sensitive and reliable, the braking force is adjustable and controllable, the braking linkage is good, and the phenomenon of braking locking can be avoided.

The beneficial effects of the invention are as follows: this electronic hydraulic disc brake device through electronic control's mode, can be according to user's actual need and through the user to rotating part rotation angle size rotation operation, control the braking force size, the braking force can be effectively transmitted in real time, and realize slowing down through drive unit drive brake subassembly, brake, parking operation, the operation is sensitive, reliable, the adjustable of braking force size has been realized, it is controllable, brake linkage nature is good moreover, can avoid the emergence of brake locking phenomenon, can satisfy the user demand of different motorcycle types, the universal performance is good, installation convenient operation, production efficiency is high, and is with low costs.

Drawings

FIG. 1 is a schematic view of an electro-hydraulic disc brake apparatus of the present invention;

FIG. 2 is a schematic view of a brake lever apparatus according to the present invention;

FIG. 3 is a schematic view of an exploded construction of the brake lever assembly of the present invention;

FIG. 4 is a schematic view of a structure of the clamp device of the present invention;

FIG. 5 is a schematic view of the internal structure of the clamp apparatus of the present invention;

FIG. 6 is a schematic view of the configuration of the cylinder-piston assembly and the clamp piston of the present invention;

FIG. 7 is a cross-sectional view of the cylinder-piston assembly of the present invention;

FIG. 8 is a schematic view of a structure of a clamp base of the present invention;

FIG. 9 is a schematic diagram of an application configuration of the electronic hydraulic disc brake device of the present invention;

FIG. 10 is a schematic view of an electro-hydraulic disc brake apparatus of the present invention in a released condition;

FIG. 11 is a schematic illustration of a braking process of the electronic hydraulic disc brake device of the present invention;

FIG. 12 is a schematic view of an electro-hydraulic disc brake apparatus of the present invention in a braking state;

FIG. 13 is a schematic view of an electro-hydraulic disc brake apparatus of embodiment 2;

FIG. 14 is a schematic view showing a structure of an electro-hydraulic disc brake apparatus in embodiment 3;

fig. 15 is a schematic view of a structure of a brake lever apparatus in embodiment 4;

In the figure: 1. the brake crank device 2, the clamp device 20, the oil cylinder piston 21, the driving part 22, the oil cylinder piston assembly 23, the clamp piston 24, the driving push rod 25, the oil cylinder cavity 26, the oil cylinder piston rod 27, the return spring 28, the hydraulic oil 29 and the piston hinge seat;

3. The hydraulic cylinder comprises a clamp base, 31, a motor mounting part, 32, a clamp electronic control device mounting part, 33, a hydraulic cylinder body, 34, a clamp piston mounting cavity, 35 and a clamp battery;

4. The brake crank electronic control device 41, the brake crank Bluetooth module 42 and the brake crank controller;

5. the clamping device electronic control device comprises a clamping device electronic control device 51, a clamping device Bluetooth module 52 and a clamping device controller;

6. the brake handle comprises a brake handle bracket, 61, a handle sleeve, 62, a handle rotating cavity, 63, a Bluetooth module mounting cavity, 64, a battery control integrated cavity, 65, a handle rotating shaft, 66, a Hall sensor mounting part, 67 and a controller mounting cavity;

7. the handle, 71, the rotating part, 72, the poking part, 73, the C-shaped clamping groove, 74, the telescopic groove, 75 and the telescopic limiting piece;

8. The magnetic steel, 81, the strong magnetic end, 82, the weak magnetic end, 9, the Hall sensor, 10, the brake lever battery, 11, the brake block, 12, the disc, 13, the sealing ring, 14, the hydraulic oil circuit, 15, the independent battery, 16, the circuit, 17, the whole vehicle battery, 18, the integrated controller, 19 and the front fork.

Detailed Description

The technical scheme of the invention is further described in detail below through specific embodiments and with reference to the accompanying drawings.

Example 1:

In the embodiment shown in fig. 1 and 9, the electronic hydraulic disc brake device comprises a brake lever device 1 which is arranged on a handlebar and used for adjusting the braking force through a rotating angle, a clamp device 2 which is linked with the brake lever device in real time and used for changing the braking force according to the rotating angle of a rotating part, and an electronic control device which is used for realizing signal control connection of the brake lever device 1 and the clamp device 2. The electronic control device is integrated on the brake crank device and/or the clamp device or the frame.

The electronic control device adopts wireless Bluetooth control or wired line control. In this embodiment, the electronic control device adopts wireless bluetooth control. The electronic control device comprises a brake crank electronic control device 4 and a clamp electronic control device 5. The brake crank electronic control device 4 comprises a brake crank Bluetooth module 41 and a brake crank controller 42. The electronic control device 5 for the clamp comprises a Bluetooth module 51 for the clamp and a controller 52 for the clamp.

The electronic control device can be integrated on the brake lever device, can also be integrated on the clamp device, can also be simultaneously arranged on the brake lever device and the clamp device, can also be selectively integrated on any position including a handlebar on the frame, can be selectively arranged on a left handlebar, can also be selectively arranged on a right handlebar, can be selectively arranged on a front fork or a rear fork according to different vehicle types, and can also be selectively arranged on the front fork and the rear fork simultaneously so as to realize the respective braking of front wheels and rear wheels. In this embodiment, the clamp device 2 is mounted on the front fork and the frame.

The brake crank device 1 and the clamp device 2 are respectively powered by a single battery, or the brake crank device 1 and the clamp device 2 are powered by external independent batteries, or the brake crank device 1 and the clamp device 2 are powered by a whole vehicle battery. In this embodiment, the brake lever device 1 and the clamp device 2 are powered by a single battery respectively. A single battery brake lever battery 10 is also integrated on the brake lever bracket 6. A single battery holder cell 35 is integrated in the holder device 2.

The brake crank device 1 is provided with a rotating part and a Hall sensing element linked with the rotating part; the clamp device 2 comprises a driving part 21 and a braking component, wherein the braking component is driven to be linked through the driving part 21. The electronic control device transmits the rotation angle signal of the rotating part to the driving part and controls the driving part to act so as to drive the braking assembly.

The Hall sensing element comprises magnetic steel 8 arranged on the rotating part and a Hall sensor 9 used for sensing the angular movement change of the magnetic steel 8 and transmitting sensing signals to the electronic control device.

As shown in fig. 2 and 3, in this embodiment, the rotating member adopts a rotating handle 7. The brake crank device 1 comprises a brake crank support 6, a handle 7, magnetic steel 8 which is arranged on the handle 7 and rotates along with the handle 7, and a Hall sensor 9 which is integrated on the brake crank support 6 and is used for generating an angle change sensing signal in cooperation with the magnetic steel 8, wherein the handle 7 is rotatably arranged on the brake crank support 6.

The brake lever bluetooth module 41 and the brake lever controller 42 are electrically connected with the brake lever battery 10, respectively.

In this embodiment, the brake lever bracket 6 includes a handle sleeve 61, a handle rotating cavity 62, a bluetooth module mounting cavity 63, and a battery control integration cavity 64, which are integrally provided, and a handle rotating shaft 65 is provided in the handle rotating cavity 62. The handle rotation shaft 65 may be integrally provided with the handle rotation chamber, or may be separately provided, and in this embodiment, a separate type is adopted. The handle rotating cavity 62 is communicated with the Bluetooth module mounting cavity 63, and a Hall sensor mounting part 66 is arranged at the communicating position.

The handle 7 comprises a rotating part 71 and a poking part 72, the rotating part 71 is sleeved on the handle rotating shaft 65 in a C-shaped opening arc groove structure, the magnetic steel 8 is arranged in an arc shape in cooperation with the C-shaped opening arc groove structure of the rotating part 71, the magnetic steel 8 adopts an integrated structure, and the magnetic steel 8 is embedded in the C-shaped opening arc groove structure of the rotating part 71 to form an integrated structure with the rotating part 71 and rotate together with the rotating part 71.

The brake crank bluetooth module 41 set up inside bluetooth module installation cavity 63, hall sensor 9 fix at hall sensor installation department 66 and be connected with brake crank bluetooth module 41, brake crank controller 42 and brake crank battery 10 set up respectively at battery control integration chamber 64 to brake crank controller 42 set up towards handle 7 one side, and brake crank battery 10 then keeps away from handle 7 one side setting, brake crank controller 42 respectively with hall sensor 9 and brake crank bluetooth module 41 signal connection to supply power through brake crank battery 10.

As shown in fig. 4 and 6, the clamp device 2 comprises a clamp base 3, a driving component 21 integrally arranged on the clamp base 3, and a braking component, wherein the braking component comprises a cylinder piston assembly 22 and a clamp piston 23 which are arranged on the clamp base 3, and the cylinder piston assembly 22 is connected with a driving push rod 24 on the driving component 21 and is driven to reciprocate by the driving push rod 24. The clamp piston 23 is in linkage with the cylinder piston assembly 22.

As shown in fig. 7, the cylinder-piston assembly 22 includes a cylinder chamber 25, a cylinder piston 20 slidably disposed in the cylinder chamber 25, a cylinder piston rod 26 connected to the cylinder piston 20, a return spring 27, and hydraulic oil 28 disposed in the cylinder chamber 25. The cylinder piston rod 26 is horizontally connected with the driving push rod 24, and the driving push rod 24 drives the cylinder piston rod 26 to move so as to push the hydraulic oil 28 in the cylinder cavity 25 to move, and further drives the clamp piston 23 to clamp. The cylinder piston 20 is in sliding sealing connection with the cylinder cavity 25 through a set of sealing rings 13.

The two groups of the clamp pistons 23 are symmetrically arranged, and the inner sides of the clamp pistons 23 are respectively connected with the brake pads 11. The clamp piston 23 is in hydraulic communication with the interior of the cylinder chamber 25 and pushes the clamp piston 23 to clamp or unclamp by hydraulic oil 28.

As shown in fig. 8, the clamp base 3 is integrally provided with a motor mounting portion 31, a clamp electronic control device mounting portion 32, a hydraulic cylinder body 33 and a clamp piston mounting cavity 34. The clamp bluetooth module 51 and the clamp controller 52 are integrated on the clamp electronic control device mounting part 32, and the clamp electronic control device mounting part 32 is also integrated with a single battery clamp battery 35.

The driving part 21 adopts a motor, the driving push rod 24 and the motor shaft are integrally arranged, a piston hinge seat 29 is arranged on the driving push rod 24, and the oil cylinder piston rod 26 is hinged with the piston hinge seat 29.

As shown in fig. 5, the cylinder cavity 25 is provided with a hydraulic oil path 14 communicated with the clamp piston 23, and hydraulic oil pushed by the cylinder piston enters the two clamp piston mounting cavities 34 through the hydraulic oil path 14 and drives the two clamp pistons 23 to move relatively, so that the movement of clamping the brake pad is realized.

As shown in fig. 10, 11 and 12, the braking principle of the electronic hydraulic disc brake device is as follows:

During braking, the part handle 7 is stirred, the magnetic steel 8 embedded in the rotating part of the handle 7 moves along with the handle 7, at the moment, the Hall sensor 9 senses that the angular movement changes, the sensed angular change signal is driven by the brake crank controller 42, and the signal is transmitted to the clamp Bluetooth module 51 through the brake crank Bluetooth module 41. This process is powered by the brake lever battery 10.

After the clamp bluetooth module 51 on the clamp device 2 receives the signal transmitted by the brake lever device 1, the signal is transmitted to the driving part 21 through the clamp controller 52, the driving part 21 starts to work, and the clamp battery 35 supplies power.

The driving part 21 drives the driving push rod 24 connected with the driving part to move, the driving push rod 24 drives the oil cylinder piston rod 26 linked on the driving push rod 24 to move, the oil cylinder piston rod 26 pushes the hydraulic oil 28 in the oil cylinder cavity 25 to move towards the clamp piston mounting cavity 34, and drives the clamp piston 23 in the clamp piston mounting cavity 34 and the brake block 11 (starting block) connected with the clamp piston 23 to move relatively, so that the disc 12 mounted on the frame and the front fork is compressed, and vehicle braking is realized. In this process, the driving part 21 can change the operation amplitude in real time along with the rotation angle of the handle 7, so as to control the pressure applied by the brake pad 11 to the disc 12 and generate the actually required braking force.

Example 2:

in the embodiment shown in fig. 13, an electronic hydraulic disc brake device comprises a brake lever device 1 arranged on a handlebar, a clamp device 2 arranged on a front fork and a frame, and an electronic control device for realizing signal control connection of the brake lever device 1 and the clamp device 2.

The electronic control device is connected by a wire line 16 and comprises a brake crank electronic control device 4 and a clamp electronic control device 5. The brake crank electronic control device 4 comprises a brake crank controller 42 connected with the Hall sensing element through a line 16, and the clamp electronic control device 5 comprises a clamp controller 52 connected with the driving part 21 through the line 16.

The electronic control device is powered by an external independent battery 15. Namely, the brake handle device 1 and the clamp device 2 are powered by an external independent battery 15.

The Hall sensing element comprises magnetic steel 8 arranged on the rotating part and a Hall sensor 9 used for sensing the angular movement change of the magnetic steel and transmitting sensing signals to the electronic control device.

The brake crank device 1 comprises a brake crank support 6, a rotating part which is arranged on the brake crank support 6 in a rotating mode, namely a handle 7, magnetic steel 8 which is arranged on the handle 7 and rotates along with the handle 7, and a Hall sensor 9 which is integrated on the brake crank support 6 and is used for generating angle change sensing signals in cooperation with the magnetic steel 8. The brake lever controller 42 is electrically connected to the independent battery 15.

In this embodiment, the brake lever bracket 6 includes a handle sleeve 61, a handle rotating cavity 62, a hall sensor mounting portion 66, and a controller mounting cavity 67, which are integrally provided, and a handle rotating shaft 65 is provided in the handle rotating cavity 62. The handle rotation shaft 65 is provided integrally with the handle rotation chamber.

The handle 7 comprises a rotating part 71 and a poking part 72, the rotating part 71 is sleeved on the handle rotating shaft 65 in an annular structure, the rotating part 71 is also not provided with a C-shaped clamping groove 73, the magnetic steel adopts an integrated structure, and the magnetic steel 8 is embedded in the C-shaped clamping groove 73, forms an integrated structure with the rotating part 71 and rotates along with the rotating part 71.

The Hall sensor 9 is fixed on the Hall sensor mounting part 66, the brake lever controller 42 is arranged in the controller mounting cavity 67, and the brake lever controller 42 is in signal connection with the Hall sensor 9 and is powered by the independent battery 15.

The clamp device 2 comprises a clamp base 3, a driving part 21 and a brake assembly which are integrally arranged on the clamp base 3. The brake assembly comprises an oil cylinder piston assembly 22 and a clamp piston 23 which are arranged on the clamp base 3, wherein the oil cylinder piston assembly 22 is connected with a driving push rod 24 on the driving part 21 and is driven to reciprocate by the driving push rod 24. The clamp piston 23 is in linkage with the cylinder piston assembly 22.

The oil cylinder piston assembly 22 comprises an oil cylinder cavity 25, an oil cylinder piston 20 slidably arranged in the oil cylinder cavity 25, an oil cylinder piston rod 26 connected with the oil cylinder piston 20, a return spring 27 and hydraulic oil 28 arranged in the oil cylinder cavity 25. The cylinder piston rod 26 is horizontally connected with the driving push rod 24, and the driving push rod 24 drives the cylinder piston rod 26 to move so as to push the hydraulic oil 28 in the cylinder cavity 25 to move, and further drives the clamp piston 23 to clamp. The cylinder piston 20 is in sliding sealing connection with the cylinder cavity 25 through a set of sealing rings 13.

The two groups of the clamp pistons 23 are symmetrically arranged, and the inner sides of the clamp pistons 23 are respectively connected with the brake pads 11. The clamp piston 23 is in hydraulic communication with the interior of the cylinder chamber 25 and pushes the clamp piston 23 to clamp or unclamp by hydraulic oil 28.

The clamp base 3 is integrally provided with a motor mounting part 31, a clamp electronic control device mounting part 32, a hydraulic cylinder body 33 and a clamp piston mounting cavity 34. The clamp controller 52 is integrated on the clamp electronic control device mounting portion 32, and the clamp controller 52 is powered by the independent battery 15.

The driving part 21 adopts a motor, the driving push rod 24 and the motor shaft are integrally arranged, a piston hinge seat 29 is arranged on the driving push rod 24, and the oil cylinder piston rod 26 is hinged with the piston hinge seat 29.

The hydraulic oil way 14 communicated with the clamp pistons 23 is arranged on the oil cylinder cavity 25, and hydraulic oil pushed by the oil cylinder pistons respectively enters the two clamp piston mounting cavities 34 through the hydraulic oil way 14 and drives the two clamp pistons 23 to move relatively, so that the movement of clamping the brake pad is realized.

The braking principle of the electronic hydraulic disc brake device is as follows:

During braking, the part handle 7 is stirred, the magnetic steel 8 embedded in the rotating part of the handle 7 moves along with the handle 7, at the moment, the Hall sensor 9 senses that the angular movement changes, the sensed angular change signal is driven by the brake crank controller 42, and the signal is transmitted to the clamp device 2 through the wired line 16. This process is powered by a separate battery 15.

After the clamp device 2 receives the signal transmitted from the brake lever device 1, the signal is transmitted to the driving part 21 through the clamp controller 52, and the driving part 21 starts to operate. This process is powered by a separate battery 15.

The driving part 21 drives the driving push rod 24 connected with the driving part to move, the driving push rod 24 drives the oil cylinder piston rod 26 linked on the driving push rod 24 to move, the oil cylinder piston rod 26 pushes the hydraulic oil 28 in the oil cylinder cavity 25 to move towards the clamp piston mounting cavity 34, and drives the clamp piston 23 in the clamp piston mounting cavity 34 and the brake block 11 (starting block) connected with the clamp piston 23 to move relatively, so that the disc 12 mounted on the frame and the front fork is compressed, and vehicle braking is realized. In this process, the driving part 21 can change the operation amplitude in real time along with the rotation angle of the handle 7, so as to control the pressure applied by the brake pad 11 to the disc 12 and generate the actually required braking force.

Example 3:

In the embodiment shown in fig. 14, an electronic hydraulic disc brake device comprises a brake lever device 1 arranged on a handlebar, a clamp device 2 arranged on a front fork and a frame, and an electronic control device for realizing signal control connection of the brake lever device 1 and the clamp device 2.

The electronic control device is connected by a wire line 16, the electronic control device controls the brake crank device and the clamp device by adopting an integrated controller 18, a brake crank signal transmission module and a clamp signal control module are arranged in the integrated controller 18, and the electronic control device is powered by a vehicle-mounted whole vehicle battery 17. The electronic control device can be independently arranged on the vehicle body, and can also be integrated with the brake crank device or the clamp device. In this embodiment, the electronic control device is integrated on the lever device.

The Hall sensing element comprises magnetic steel 8 arranged on the rotating part and a Hall sensor 9 used for sensing the angular movement change of the magnetic steel and transmitting sensing signals to the electronic control device. The rotating part adopts a handle.

The brake crank device 1 comprises a brake crank support 6, a handle 7 arranged on the brake crank support 6 in a rotating mode, magnetic steel 8 arranged on the handle 7 and rotating along with the handle 7, and a Hall sensor 9 integrated on the brake crank support 6 and used for generating an angle change sensing signal in cooperation with the magnetic steel 8.

In this embodiment, the brake lever bracket 6 includes a handle sleeve 61, a handle rotating cavity 62, a hall sensor mounting portion 66, and a controller mounting cavity 67, which are integrally provided, and a handle rotating shaft 65 is provided in the handle rotating cavity 62. The handle rotation shaft 65 is provided integrally with the handle rotation chamber.

The handle 7 comprises a rotating part 71 and a poking part 72, the rotating part 71 is sleeved on the handle rotating shaft 65 in an annular structure, a C-shaped clamping groove 73 is formed in the rotating part 71, and the magnetic steel 8 is embedded in the C-shaped clamping groove 73, forms an integrated structure with the rotating part 71 and rotates along with the rotating part 71.

The Hall sensor 9 is fixed on the Hall sensor mounting part 66, the integrated controller 18 is arranged in the controller mounting cavity 67, and the integrated controller 18 is in signal connection with the Hall sensor 9 and is powered by the whole vehicle battery 17.

The clamp device 2 comprises a clamp base 3, a driving part 21 and a brake assembly which are integrally arranged on the clamp base 3. The brake assembly comprises an oil cylinder piston assembly 22 and a clamp piston 23 which are arranged on the clamp base 3, wherein the oil cylinder piston assembly 22 is connected with a driving push rod 24 on the driving part 21 and is driven to reciprocate by the driving push rod 24. The clamp piston 23 is in linkage with the cylinder piston assembly 22.

The oil cylinder piston assembly 22 comprises an oil cylinder cavity 25, an oil cylinder piston 20 slidably arranged in the oil cylinder cavity 25, an oil cylinder piston rod 26 connected with the oil cylinder piston 20, a return spring 27 and hydraulic oil 28 arranged in the oil cylinder cavity 25. The cylinder piston rod 26 is horizontally connected with the driving push rod 24, and the driving push rod 24 drives the cylinder piston rod 26 to move so as to push the hydraulic oil 28 in the cylinder cavity 25 to move, and further drives the clamp piston 23 to clamp.

The cylinder piston 20 is in sliding sealing connection with the cylinder cavity 25 through a set of sealing rings 13.

The two groups of the clamp pistons 23 are symmetrically arranged, and the inner sides of the clamp pistons 23 are respectively connected with the brake pads 11. The clamp piston 23 is in hydraulic communication with the interior of the cylinder chamber 25 and pushes the clamp piston 23 to clamp or unclamp by hydraulic oil 28.

The clamp base 3 is integrally provided with a motor mounting part 31, a hydraulic cylinder body 33 and a clamp piston mounting cavity 34. The driving part 21 adopts a motor, the driving push rod 24 and the motor shaft are integrally arranged, a piston hinge seat 29 is arranged on the driving push rod 24, and the oil cylinder piston rod 26 is hinged with the piston hinge seat 29.

The hydraulic oil way 14 communicated with the clamp pistons 23 is arranged on the oil cylinder cavity 25, and hydraulic oil pushed by the oil cylinder pistons respectively enters the two clamp piston mounting cavities 34 through the hydraulic oil way 14 and drives the two clamp pistons 23 to move relatively, so that the movement of clamping the brake pad is realized.

The braking principle of the electronic hydraulic disc brake device is as follows:

During braking, the part handle 7 is stirred, the magnetic steel 8 embedded in the rotating part of the handle 7 moves along with the handle 7, at the moment, the Hall sensor 9 senses the change of angular movement, the sensed angle change signal is driven by the integrated controller 18, and the signal is transmitted to the clamp device 2 through the wired line 16.

After the clamp device 2 receives the signal transmitted by the brake lever device 1, the signal is transmitted to the driving part 21 through the integrated controller 18, and the driving part 21 starts to work.

The driving part 21 drives the driving push rod 24 connected with the driving part to move, the driving push rod 24 drives the oil cylinder piston rod 26 linked on the driving push rod 24 to move, the oil cylinder piston rod 26 pushes the hydraulic oil 28 in the oil cylinder cavity 25 to move towards the clamp piston mounting cavity 34, and drives the clamp piston 23 in the clamp piston mounting cavity 34 and the brake block 11 (starting block) connected with the clamp piston 23 to move relatively, so that the disc 12 mounted on the frame and the front fork 19 is compressed, and vehicle braking is realized. In this process, the driving part 21 can change the operation amplitude in real time along with the rotation angle of the handle 7, so as to control the pressure applied by the brake pad 11 to the disc 12 and generate the actually required braking force.

Example 4:

In the embodiment shown in fig. 15, an electronic hydraulic disc brake device has a technical scheme substantially the same as that of embodiment 1, except that: the magnetic steel 8 adopts a magnetic field adjusting structure, and the magnetic steel 8 is arranged on the rotating part in a telescopic way; the rotating part switches the strong and weak modes of the magnetic steel generated magnetic field in the clockwise or anticlockwise rotating process. The rotating part adopts a rotating handle 7.

The rotating part hand groove 7 comprises a rotating part 71 and a poking part 72, the rotating part 71 is provided with a telescopic groove 74, the magnetic steel is arranged inside the telescopic groove in a telescopic way, and the rotating part is provided with a sliding telescopic limiting piece 75. The telescopic stopper 75 is used for defining telescopic positions of the strong magnetic end and the weak magnetic end.

Example 5:

The technical scheme of the electronic hydraulic disc brake device in the embodiment is basically consistent with that of the previous embodiment, and the electronic hydraulic disc brake device is different in that: the electronic control device adopts a wireless Bluetooth control mode and a wired circuit dual control mode.

According to the electronic hydraulic disc brake device, braking is achieved in an electronic control mode, the driving part can change the operation range in real time along with the rotation angle of the handle, and therefore the magnitude of pressure applied by the brake pad to the disc is controlled, and actually needed braking force is generated. The dynamics of braking can carry out the size regulation according to brake lever apparatus turned angle, and brake sensitivity can also be through electronic control signal automatically regulated moreover, and sensitivity is high, and this electronic braking system, brake linkage nature is good, has avoided the emergence of phenomenon such as brake locking, has satisfied the user demand of different motorcycle types. The brake lever device and the clamping device are respectively provided with a battery for power supply according to actual needs of different vehicle types, an external power supply battery for integrated power supply can be adopted, a whole vehicle battery for power supply can be adopted, a Bluetooth module can be adopted for transmitting signals, and a wired line can be adopted for connecting and transmitting signals.

The above-described embodiments are only some, but not all, of the embodiments of the present application. Meanwhile, based on the embodiments described in the present application, all other embodiments obtained by those skilled in the art on the basis of the technical scheme of the present application should fall within the scope of protection of the present application without making any inventive effort.

Claims (10)

1. An electronic hydraulic disc brake device, comprising:

The brake handle device (1) is arranged on a handlebar and used for adjusting the braking force through a rotating angle, and a rotating part and a Hall sensing element which is linked with the rotating part are arranged in the brake handle device (1);

The clamping device (2) is in real-time linkage with the brake handle device (1) and changes the braking force according to the rotation angle of the rotating part, the clamping device (2) comprises a driving part (21) and a braking component, and the braking component is in driving linkage through the driving part (21);

And the electronic control device is used for transmitting the rotation angle signal of the rotating part to the driving part (21) and controlling the driving part (21) to act so as to drive the brake assembly.

2. The electronic hydraulic disc brake device of claim 1, wherein: the electronic control device adopts wireless Bluetooth control; the electronic control device comprises a brake crank electronic control device (4) and a clamp electronic control device (5); the brake crank electronic control device (4) comprises a brake crank Bluetooth module (41) and a brake crank controller (42), and the clamp electronic control device (5) comprises a clamp Bluetooth module (51) and a clamp controller (52).

3. The electronic hydraulic disc brake device of claim 1, wherein: the electronic control device adopts a wired line for control; the electronic control device comprises a brake crank electronic control device (4) and a clamp electronic control device (5); the brake crank electronic control device (4) comprises a brake crank controller (42) connected with the Hall sensing element through a circuit (16), and the clamp electronic control device (5) comprises a clamp controller (52) connected with the driving part (21) through the circuit (16).

4. The electronic hydraulic disc brake device of claim 1, wherein: the electronic control device adopts wireless Bluetooth control and wired line control dual control.

5. The electronic hydraulic disc brake device according to any one of claims 1 to 4, wherein: the brake crank device (1) and the clamp device (2) are powered by a single battery respectively, or the brake crank device (1) and the clamp device (2) are powered by an external independent battery (15), or the brake crank device (1) and the clamp device (2) are powered by a whole vehicle battery (17).

6. The electronic hydraulic disc brake device according to any one of claims 1 to 4, wherein: the Hall sensing element comprises magnetic steel (8) arranged on the rotating part and a Hall sensor (9) used for sensing the angular movement change of the magnetic steel and transmitting sensing signals to the electronic control device.

7. The electronic hydraulic disc brake device of claim 6, wherein: the magnetic steel (8) adopts an integrated structure, and the magnetic steel (8) is embedded and fixed on the rotating part.

8. The electronic hydraulic disc brake device of claim 6, wherein: the magnetic steel (8) adopts a magnetic field adjusting structure, and the magnetic steel (8) is arranged on the rotating part in a telescopic way; the rotating part switches the strong and weak modes of the magnetic steel generated by the magnetic steel in the clockwise or anticlockwise rotating process; the rotating component comprises a rotating part (71) and a poking part (72), wherein a telescopic groove (74) is formed in the rotating part (71), and the magnetic steel (8) is arranged inside the telescopic groove (74) in a telescopic mode and a sliding telescopic limiting piece (75) is arranged on the rotating part (71).

9. The electronic hydraulic disc brake device according to any one of claims 1 to 4, wherein: the brake assembly comprises an oil cylinder piston assembly (22) and a clamp piston (23), the oil cylinder piston assembly (22) comprises an oil cylinder piston (20), an oil cylinder piston rod (26) connected with the oil cylinder piston (20) and a return spring (27), a driving push rod (24) is arranged on the driving part (21), and the oil cylinder piston rod (26) is hinged with the driving push rod (24) and drives the clamp piston (23) to move through the driving push rod (24).

10. An electro-hydraulic disc brake method using an electro-hydraulic disc brake apparatus as claimed in any one of claims 1 to 9, comprising the steps of:

Step 1: the rotating part is stirred, magnetic steel arranged on the rotating part moves along with the rotating part, the Hall sensor senses the angular movement change, and the sensed angular change signal is transmitted to the clamp device through the electronic control device in real time;

Step 2: after the clamp device receives the signal transmitted by the brake handle device, the signal is transmitted to the driving component through the electronic control device, and the driving component starts to work;

step 3: the driving part changes the operation amplitude in real time along with the rotation angle of the rotating part, drives the driving push rod connected with the driving part to move, drives the oil cylinder piston rod linked on the driving push rod to move, and drives the hydraulic oil to drive the clamp piston and the brake pad connected on the clamp piston to perform relative movement, so as to apply pressure to discs arranged on the frame and the front fork, generate braking force actually required by the rotating part and realize the brake braking with sensitive adjustment of the braking force.