CN201257903Y - Electric accelerator pedal with preposition driving power switch - Google Patents

Abstract

The utility model discloses an electronic accelerator pedal for front-drive power switch, which comprises a pedal body, a pedal base hinged with the pedal shaft and a pedal return spring, the pedal body forms a lever structure with the pedal shaft as a fulcrum, and also includes Position signal switch, when the pedal body rotates to the set angle, the initial position signal switch turns on or off the power supply of the electric vehicle drive system, the utility model can control the pedal, according to the pedal angle, turn on the power through the pedal, To achieve the purpose of connecting the drive motor to the power supply, so as to avoid safety accidents caused by the driver's misoperation and out of control of the electric vehicle, and has the advantages of simple structure, convenient installation, wide application and easy control; The control of the pedals makes the output voltage proportional to the rotation angle of the pedals and outputs linearly, so that the output voltage can increase and decrease evenly, so as to control the smooth operation of the vehicle.

Description

Electronic accelerator pedal for front drive power switch

technical field

The utility model relates to an accelerator device for motor vehicles, in particular to an electronic accelerator pedal for driving a power switch in front.

Background technique

The electronic accelerator pedal is the control mechanism of the motor vehicle to control the speed of the vehicle, which directly reflects the driver's will into the driving state of the vehicle. The electronic accelerator pedal transmits the signal to the controller by collecting the signal on the pedal, and the controller issues instructions to control the running state of the vehicle. In the prior art, the electronic accelerator pedal is directly used in electric vehicles, and needs to be modified due to structural and control system reasons. For example, the electronic accelerator pedal in the prior art is used for electric vehicles. After the power is turned on, the drive system and the control system are directly powered on. After the driver misoperates, the electric vehicle is out of control, which is likely to cause safety accidents.

Therefore, there is a need for an electronic accelerator pedal, which can be connected to the power supply through the pedal according to the pedal's rotation angle through the control of the pedal, so as to achieve the purpose of connecting the drive motor to the power supply, thereby avoiding the misoperation of the driver and avoiding the safety hazard caused by the loss of control of the electric vehicle. ACCIDENT.

Utility model content

In view of this, the purpose of this utility model is to provide an electronic accelerator pedal for front-drive power switch, which can control the pedal according to the rotation angle of the pedal through the controller, and connect the power supply through the pedal according to the rotation angle of the pedal to achieve the driving The purpose of connecting the motor to the power supply is to avoid misoperation by the driver and avoid safety accidents caused by the loss of control of the electric vehicle. At the same time, it has the advantages of simple structure, convenient installation, wide application and easy control.

The electronic accelerator pedal of the front drive power switch of the utility model includes a pedal body, a pedal base hinged with the pedal shaft and a pedal return spring, the pedal body forms a lever structure with the pedal shaft as a fulcrum, and also includes an initial position signal switch , when the pedal body rotates to a set angle α, the initial position signal switch inputs a signal to the control system of the electric vehicle.

Further, the initial position signal switch is a position sensor arranged on the pedal base, the position sensor is a photoelectric sensor or an infrared sensor, the signal output end of the photoelectric sensor or infrared sensor is connected to the control system of the electric vehicle, the When the pedal body rotates to the set angle α, the signal output end of the photoelectric sensor or infrared sensor is connected to the control system of the electric vehicle;

Further, the initial position signal switch is a micro switch;

Further, the setting position of the initial position signal switch corresponds to the position where the set angle α of the pedal body is 3°-5°;

Further, the electronic accelerator pedal is provided with a voltage conversion output device, and the resistance point of the pedal body is linked with the adjustment mechanism of the voltage conversion output device, so that the output voltage of the voltage conversion output device is proportional to the rotation angle of the pedal body and is linearly output;

Further, the voltage conversion output device is a variable resistor, the variable resistor is relatively fixed to the pedal base, and the adjustment slide of the variable resistor is linked with the resistance point of the pedal body;

Further, the voltage conversion output device is a variable inductance, the variable inductance is relatively fixed to the pedal base, and the adjustment handle of the variable inductance is linked with the resistance point of the pedal body;

Further, the voltage conversion output device includes a programmed linear Hall element and a permanent magnet, the programmed linear Hall element is fixed relative to the pedal base, and the permanent magnet is linked with the resistance point of the pedal body.

The beneficial effects of the utility model are: the electronic accelerator pedal of the utility model front-drive power switch is provided with an initial position signal switch, and the controller can control the pedal according to the rotation angle of the pedal, and according to the rotation angle of the pedal, the pedal can be connected The power supply achieves the purpose of connecting the drive motor to the power supply, thereby avoiding misoperation by the driver and avoiding safety accidents caused by the loss of control of the electric vehicle. At the same time, it has the advantages of simple structure, convenient installation, wide application and easy control; the use of voltage conversion output device can Through the control of the pedals, the output voltage is proportional to the rotation angle of the pedals and is linearly output, so that the output voltage can be increased and decreased uniformly, thereby controlling the smooth operation of the vehicle.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is described further.

Fig. 1 is the structural representation of the utility model embodiment one;

Fig. 2 is the structural representation of the second embodiment of the utility model;

Fig. 3 is a schematic structural view of Embodiment 3 of the utility model.

Detailed ways

Figure 1 is a schematic structural view of Embodiment 1 of the utility model, as shown in the figure: the electronic accelerator pedal of the front drive power switch of this embodiment includes a pedal body 1, a pedal base 2 and a pedal hinged to it through a pedal shaft 4 The return spring 3 also includes an initial position signal switch 6 composed of a micro switch. The signal output end of the micro switch is connected to the control system of the electric vehicle, and the control system turns on or off the power of the drive system according to the signal of the micro switch. The power supply and the micro switch are set on the pedal base 2 corresponding to the position where the pedal body 1 rotates to a set angle α of 5°; the micro switch is adopted, the structure is simple, and the cost is low; when the pedal body 1 is operated by the driver When the pedal body 1 is rotated downward by 5°, the micro switch is activated on the pedal body 1, the driving power is connected through the control system, the driver releases the pedal body 1, the micro switch is turned off, and the driving power is disconnected through the control system.

The pedal body 1 forms a lever structure with the pedal shaft 4 as the fulcrum. The electronic accelerator pedal is provided with a voltage conversion output device composed of a variable resistor 5. The variable resistor 5 is fixed relative to the pedal base 2. The adjustment of the variable resistor 5 The sliding piece 51 is fixedly connected with the resistance point of the pedal body 1 to form linkage;

The initial position of the pedal body 1 minimizes the output voltage of the variable resistor 5 through the adjustment slide plate 51 .

Fig. 2 is a schematic structural diagram of the second embodiment of the utility model, as shown in the figure: the difference between the electronic accelerator pedal of the front drive power switch of this embodiment and the first embodiment is that the voltage conversion output device on the electronic accelerator pedal can be The variable inductance 7, the variable inductance 7 and the pedal base 2 are relatively fixedly arranged, and the adjustment handle 71 of the variable inductance is fixedly connected with the resistance point of the pedal body 1 to form linkage; the initial position of the pedal body 1 makes the variable inductance The output voltage of 7 is the minimum;

The initial position signal switch 6 is an infrared sensor, which is arranged on the pedal base 2 and corresponds to the position where the pedal body 1 rotates 4°. The signal output end of the infrared sensor is connected to the control system of the electric vehicle, and the control system is based on the signal of the infrared sensor. Turn on or off the power of the drive system, using infrared sensors, can accurately control the power on or off of the drive system according to the position of the pedal body 1, to achieve the purpose of precise control; the initial position signal switch 6 is set on the pedal base 2 corresponds to the position where the pedal body 1 is rotated to a set angle α of 4°.

Fig. 3 is a structural schematic diagram of the third embodiment of the utility model, as shown in the figure: the difference between the electronic accelerator pedal of the front drive power switch of this embodiment and the first embodiment is that the voltage conversion output device on the electronic accelerator pedal includes a belt The programmed linear Hall element 8 and the permanent magnet 81, the linear Hall element 8 with programming and the pedal base 2 are relatively fixedly arranged, and the permanent magnet 81 is linked with the resistance point of the pedal body 1; the initial position of the pedal body 1 enables linear The output voltage of Hall element 8 is minimum;

The initial position signal switch 6 is a photoelectric sensor, the signal output end of the photoelectric sensor is connected to the control system of the electric vehicle, and the control system connects or disconnects the power supply of the drive system according to the signal of the photoelectric sensor. The position of the body 1 controls the power on or off of the drive system to achieve the purpose of precise control; the initial position signal switch 6 is set on the pedal base 2 and corresponds to the position where the pedal body 1 rotates to a set angle α of 3° .

During the use of the utility model: after the power supply is manually switched on, the vehicle control system is powered on, and the electric vehicle drive system is not powered on. Through the operation of the utility model, the pedal body is stepped on. When the pedal body rotates to the initial position signal switch 6 , the initial position signal switch 6 transmits the signal to the control system, and the control system connects the input power of the drive system, thereby avoiding misoperation by the driver and avoiding safety accidents caused by the loss of control of the electric vehicle; The device makes the output voltage increase linearly and uniformly from small to large, thereby stabilizing the output current of the chopper of the control circuit, so that the drive system drives the vehicle to accelerate steadily; when the pedal body reaches the limit position, the output voltage is maximum, and the vehicle speed is also maximum;

When it is necessary to decelerate, relax the step on the pedal body, the pedal body will rebound under the action of the return spring, and the voltage conversion output device will make the output voltage decrease linearly and evenly from large to small, so that the drive system can drive the vehicle to decelerate stably; when the pedal When the body bounces back to the position of the initial position signal switch 6 under the action of the return spring, the control system cuts off the input power of the drive system.

Finally, it is noted that the above embodiments are only used to illustrate the technical solutions of the present utility model without limitation. Although the utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the utility model can be Modifications or equivalent replacements of the technical solutions without departing from the purpose and scope of the technical solutions of the utility model shall be covered by the claims of the utility model.

Claims (8)

1. the electronic accelerator pedal of a pre-driver source switch, comprise pedal body (1), pass through pedal shaft (4) pivotally attached pedal pedestal (2) and clutch pedal retrun spring (3) with it, pedal body (1) is that fulcrum forms lever construction with pedal shaft (4), it is characterized in that: also comprise initial position signal switch (6), when described pedal body (1) rotated to set angle α, initial position signal switch (6) inputed to signal the control system of elec. vehicle.

2. the electronic accelerator pedal of pre-driver source switch according to claim 1, it is characterized in that: described initial position signal switch (6) is for being arranged on the position transduser on the pedal pedestal (2), described position transduser is opto-electronic pickup or infrared pickoff, the signal output part of described opto-electronic pickup or infrared pickoff connects the control system of elec. vehicle, when described pedal body (1) rotated to set angle α, the signal output part of described opto-electronic pickup or infrared pickoff connected the control system of elec. vehicle.

3. the electronic accelerator pedal of pre-driver source switch according to claim 2 is characterized in that: described initial position signal switch (6) is a micro-switch.

4. the electronic accelerator pedal of pre-driver source switch according to claim 3 is characterized in that: be provided with position and pedal body (1) the set angle α of described initial position signal switch (6) are that 3 °-5 ° position is corresponding.

5. according to the electronic accelerator pedal of the described pre-driver source switch of the arbitrary claim of claim 1 to 4, it is characterized in that: described electronic accelerator pedal is provided with the voltage transitions output unit, the interlock of the resistance point of pedal body (1) and the regulating mechanism of voltage transitions output unit makes the output voltage of voltage transitions output unit be directly proportional with the anglec of rotation of pedal body (1) to be linear and exports.

6. the electronic accelerator pedal of pre-driver source switch according to claim 5, it is characterized in that: described voltage transitions output unit is variable resistance (5), described variable resistance (5) and pedal pedestal (2) relative fixed setting, the adjusting slide plate (51) of variable resistance (5) and the interlock of the resistance point of pedal body (1).

7. the electronic accelerator pedal of pre-driver source switch according to claim 5, it is characterized in that: described voltage transitions output unit is variable inductance (7), described variable inductance (7) and pedal pedestal (2) relative fixed setting, the release handle of variable inductance (71) links with the resistance point of pedal body (1).

8. the electronic accelerator pedal of pre-driver source switch according to claim 5, it is characterized in that: described voltage transitions output unit comprises the linear hall element (8) and the permanent magnet (81) of band programming, the linear hall element (8) and pedal pedestal (2) relative fixed setting of described band programming, permanent magnet (81) links with the resistance point of pedal body (1).

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