阅读说明：本技术 玩具车电控刹车系统 (Electric control brake system of toy car ) 是由 于成祥 樊侠 陈涛涛 赵立新 崔管峰 许广灿 于 2018-09-12 设计创作，主要内容包括：本发明涉及一种玩具车电控刹车系统,包括刹车踏板、传感器电路、刹车电压控制器、电控制动装置,传感器电路包括压电传感器、信号放大电路、信号输出电路,电控制动装置设在车轮上,刹车踏板的输出端触压压电传感器产生压电信号输入信号放大电路、信号输出电路放大、变换后输出刹车电信号,刹车电压控制器根据收到的刹车电信号向电控制动装置输出制动电压,制动电压驱动电控制动装置制动车轮。本发明采用电控传感方式驱动制动装置实现刹车,具有可电控自动刹车的特点。(The invention relates to an electric control brake system of a toy car, which comprises a brake pedal, a sensor circuit, a brake voltage controller and an electric control brake device, wherein the sensor circuit comprises a piezoelectric sensor, a signal amplification circuit and a signal output circuit, the electric control brake device is arranged on a wheel, the output end of the brake pedal touches the piezoelectric sensor to generate a piezoelectric signal, the piezoelectric signal is input into the signal amplification circuit and the signal output circuit to amplify and convert the piezoelectric signal and then output a brake electric signal, the brake voltage controller outputs brake voltage to the electric control brake device according to the received brake electric signal, and the brake voltage drives the electric control brake device to brake the wheel. The invention adopts an electric control sensing mode to drive the braking device to realize braking, and has the characteristic of automatic braking through electric control.)

1. Toy car electric control brake system, characterized by include brake pedal, sensor circuit, brake voltage controller, automatically controlled arresting gear, sensor circuit includes piezoelectric sensor, signal amplification circuit, signal output circuit, automatically controlled arresting gear establishes on the wheel, brake pedal's output touches and presses piezoelectric sensor produces the piezoelectric signal input signal amplification circuit, signal output circuit enlarge, transform back output brake signal of telecommunication, brake voltage controller according to the brake signal of telecommunication received to automatically controlled arresting gear output brake voltage, the brake voltage drive automatically controlled arresting gear brake wheel.

2. The electric control brake system for toy car according to claim 1, wherein said electric control brake device comprises an electronic hydraulic pump, a hydraulic brake, said brake voltage controller drives said electronic hydraulic pump to generate brake hydraulic pressure, said brake hydraulic pressure controls said hydraulic brake to brake the wheel.

3. The toy vehicle electric brake system of claim 1, wherein the electric brake device includes an electromagnetic brake, the electromagnetic brake comprises a brake rim and a brake pull arm assembly, wherein the brake rim comprises a pair of brake half rings, the braking half-ring comprises a half-ring spoke, a braking shoe is arranged at the outer wheel end of the half-ring spoke, the braking pull arm component comprises a half-ring plate pull arm, the braking end of the semi-ring plate pull arm is inserted between the opposite ends of one side of the pair of braking semi-rings, the transmission end of the semi-ring plate pull arm is provided with an electromagnetic component, the electromagnetic assembly attracts a brake basin linked with the wheel after being electrified, and the brake basin is in close contact friction under the action of electromagnetic force to pull the electromagnetic assembly to link the semi-ring plate pull arm to push one end of the brake semi-ring to move outwards to be in close contact with an outer ring spoke of the brake basin to generate friction force for braking the wheel.

4. The electric brake system of claim 3, wherein a return spring is disposed between opposite ends of one of the pair of brake halves, a limit connection spring is disposed between opposite ends of the other of the pair of brake halves, the electromagnetic assembly is disengaged from the brake pot after power failure, and the opposite ends of one of the pair of brake halves are reset under the stress of the return spring.

5. The electric brake system of claim 3, wherein the electromagnetic brake further comprises a brake spider, a brake rim catch plate is provided on the brake spider, the other opposite ends of the pair of brake halves are caught between the brake rim catch plate and the brake spider, and the brake rim catch plate is connected to the other opposite ends of the pair of brake halves through a restraining spring.

6. The electric brake system of claim 5, wherein the brake spider further comprises a brake semi-ring pad and a semi-ring plate arm pad, one opposite end of the pair of brake semi-rings is pressed between the brake semi-ring pad and the brake spider, and the middle of the semi-ring plate arm is pressed between the semi-ring plate arm pad and the brake spider.

7. The electric brake system of toy car of claim 3, wherein the electromagnetic brake further comprises a manual brake assembly, the manual brake assembly comprises a manual brake arm and a manual brake wrench tooth, the manual brake wrench tooth comprises a driving wrench tooth and a driven wrench tooth, the driving wrench tooth is connected with the driven wrench tooth in a rotation transmission manner, the driving wrench tooth is linked with the manual brake arm, the manual brake arm is wrenched to drive the driving wrench tooth to rotate and drive the driven wrench tooth to rotate, and a push block on the driven wrench tooth pushes one end of the brake half ring to move outwards to contact with an outer ring spoke of the brake basin to generate friction force for braking the wheel.

Technical Field

The invention relates to a vehicle braking system, in particular to an electronic control braking system of a toy vehicle, and belongs to the field of toy vehicles.

Background

The toy car is a small or modeled non-road toy car customized for children. The children electric vehicle is mainly a motor-driven toy vehicle which is designed for children and can be seated and driven. At present, the braking systems of existing children electric vehicles, teenager racing vehicles and non-road vehicles in the market are mostly hydraulic disc brakes, hydraulic drum brakes, pull-line type butterfly brakes and pull-line drum brakes, and the braking systems are all realized by a driver operating a pull-line pulling force or hydraulic pressure braking executing mechanism.

Disclosure of Invention

The invention discloses a novel scheme of an electric control brake system of a toy car, which adopts an electric control sensing mode to drive a brake device to realize braking and solves the problem that the existing scheme can not realize electric control braking.

The invention relates to an electric control brake system of a toy car, which comprises a brake pedal, a sensor circuit, a brake voltage controller and an electric control brake device, wherein the sensor circuit comprises a piezoelectric sensor, a signal amplification circuit and a signal output circuit, the electric control brake device is arranged on a wheel, the output end of the brake pedal touches and presses the piezoelectric sensor to generate a piezoelectric signal, the piezoelectric signal is input into the signal amplification circuit, the signal output circuit amplifies and converts the piezoelectric signal and then outputs a brake electric signal, the brake voltage controller outputs brake voltage to the electric control brake device according to the received brake electric signal, and the brake voltage drives the electric control brake device to brake the wheel.

Furthermore, the electronic control brake device comprises an electronic hydraulic pump and a hydraulic brake, wherein the brake voltage controller drives the electronic hydraulic pump to generate brake hydraulic pressure, and the brake hydraulic pressure controls the hydraulic brake to brake the wheels.

Further, the automatically controlled arresting gear of this scheme includes electromagnetic braking ware, electromagnetic braking ware includes the braking wheel rim, the braking arm-drag subassembly, the braking wheel rim includes a pair of braking half-turn, the braking half-turn includes the half-turn spoke, be equipped with the brake shoe on the foreign steamer end of half-turn spoke, the braking arm-drag subassembly includes the semi-ring board arm-drag, the braking end of semi-ring board arm-drag is inserted and is established between the relative end in one side of above-mentioned a pair of braking half-turn, be equipped with electromagnetic component on the transmission end of semi-ring board arm-drag, the electromagnetic component is gone up the electric back and is attracted the braking basin with the wheel linkage, the braking basin pastes under the electromagnetic force effect and contacts the friction of friction pulling electromagnetic component linkage semi-ring board arm-drag promotion braking half-turn and pastes the tight.

Furthermore, a reset spring is arranged between opposite ends of one side of the pair of braking half rings, a limiting connection spring is arranged between opposite ends of the other side of the pair of braking half rings, the electromagnetic assembly is disconnected from the braking basin after power failure, and the opposite ends of one side of the pair of braking half rings are reset under the stress action of the reset spring.

Furthermore, the electromagnetic brake of the scheme further comprises a brake chassis, wherein a brake rim clamping plate is arranged on the brake chassis, the opposite ends of the other sides of the pair of brake half rings are clamped between the brake rim clamping plate and the brake chassis, and the brake rim clamping plate is respectively connected with the opposite ends of the other sides of the pair of brake half rings through limiting springs.

Still further, the brake chassis of this scheme is equipped with braking half a circle preforming, semi-ring plate arm-drag preforming on still, and the relative end pressure of one side of above-mentioned a pair of braking half a circle is established between braking half a circle preforming and brake chassis, and the middle part pressure of semi-ring plate arm-drag is established between semi-ring plate arm-drag preforming and brake chassis.

Furthermore, the electromagnetic braking ware of this scheme still includes the manual brake subassembly, the manual brake subassembly includes the manual brake arm-drag, the manual brake tooth-drag includes initiative tooth-drag, driven tooth-drag, initiative tooth-drag and driven tooth-drag rotary transmission joint, initiative tooth-drag and the linkage of manual brake arm-drag, it is rotatory to pull the manual brake arm-drag drive initiative tooth-drag, it is rotatory to drive driven tooth-drag, the ejector pad on the driven tooth-drag promotes the one end of braking half-turn and pastes tight contact production brake wheel's frictional force to the outside lateral movement and the outer loop spoke of braking basin.

The electric control brake system of the toy car adopts an electric control sensing mode to drive the brake device to realize braking, and has the characteristic of automatic braking through electric control.

Drawings

Figure 1 is a schematic diagram of an electrically controlled brake system for a toy vehicle.

Fig. 2 is a schematic view of an electromagnetic brake.

Wherein, 110 is half a circle of spoke, 131 is the reset spring, 132 is spacing connecting spring, 120 is the brake shoe, 210 is half a ring board arm, 220 is the electromagnetic component, 310 is the brake chassis, 320 is the braking rim cardboard, 321 is the spacing spring, 331 is the braking half circle preforming, 332 is half a ring board arm preforming, 410 is the handbrake arm, 420 is the initiative tooth wrench, 430 is the driven tooth wrench, 431 is the ejector pad.

Detailed Description

The invention relates to an electric control brake system of a toy car, which comprises a brake pedal, a sensor circuit, a brake voltage controller and an electric control brake device, wherein the sensor circuit comprises a piezoelectric sensor, a signal amplification circuit and a signal output circuit, the electric control brake device is arranged on a wheel, the output end of the brake pedal touches and presses the piezoelectric sensor to generate a piezoelectric signal, the piezoelectric signal is input into the signal amplification circuit, the signal output circuit amplifies and converts the piezoelectric signal and then outputs a brake electric signal, the brake voltage controller outputs brake voltage to the electric control brake device according to the received brake electric signal, and the brake voltage drives the electric control brake device to brake the wheel. According to the scheme, the braking device is driven in an electric control sensing mode to realize braking, and the automation degree of the toy car braking system is improved.

In order to realize the electric control automatic braking, the scheme discloses the following two schemes.