CN2770222Y - Vehicle motor electronic speed regulator - Google Patents

Abstract

The utility model relates to an automobile motor electronic speed regulator and discloses a motor speed regulator of automobile air conditioner and warm air devices. The utility model is composed of a resistor R1, a resistor R2, a resistor R3, a field-effect pipe T, a time-base circuit chip IC, a voltage-stabilizing diode D1, a capacitor C2, a capacitor C3 and a pulse signal width regulating circuit 1, wherein one end of resistor R1 is connected with the cathode of the voltage-stabilizing diode D1, a foot 4 of the time-base circuit chip IC, a foot 8 of the time-base circuit chip IC, one end of the capacitor C2 and the input terminal of the pulse signal width regulating circuit 1. Three output terminals of the pulse signal width regulating circuit 1 are respectively connected with a foot 2, a foot 6 and a foot 7 of the time-base circuit chip IC. The other end of the capacitor C2 is connected with a foot 1 of the time-base circuit chip IC, one end of the capacitor C3, the anode of the voltage-stabilizing diode D1, one end of the resistor R3 and the drain electrode of the field-effect pipe T and is connected with the ground. The other end of the capacitor C3 is connected with a foot 5 of the time-base circuit chip IC. The other end of the resistor R3 is connected with one end of the resistor R2 and the grid electrode of the field-effect pipe T. The other end of the resistor R2 is connected with a foot 3 of the time-base circuit chip IC. Because the width of a pulse signal output by the time-base circuit chip IC is regulated through the pulse signal width regulating circuit 1 and the width of the signal can be continuously regulated, the speed regulation with no gear and no grade of a motor can be completed.

Description

The vehicle electric motor electrically-actuated throttle device

Technical field:

The utility model relates to the motor speed control device of the overhead mediation of a kind of automobile heater.

Background technology:

The motor that uses on the air-conditioning of automobile and the heater all adopts DC motor to drive now, and for satisfying user's needs, the air quantity of air-conditioning and heater should be able to be regulated, and that is to say that the motor speed that drives blower fan needs to regulate.The overhead motor speed adjusting that is in harmonious proportion heater of automobile is to fall to realize by the access or the switching that are connected on resistance in the motor circuit at present, as shown in Figure 1, adopts GSS Gear Select Switch K10, resistance R 10 and resistance R 11 to realize the speed governing of motor.The major defect of this device is: 1, the rotating speed of motor can only have the fixed rotating speed of several gears, can not be adjustable continuously; 2, GSS Gear Select Switch and speed adjusting resistance are two parts, are separately fixed at the different parts of automobile, make the automobile line complexity, installation and maintenance difficulty, cost height; 3, in motor slow-speed of revolution when work,, electric current makes resistance heating through speed adjusting resistance, not only wastes electric energy, generally is fixed on the working of plastics because of resistance simultaneously, if combustibles enter or during motor generation clamping stagnation, very easily produce fire.

The utility model content:

The purpose of this utility model provides a kind of vehicle electric motor electrically-actuated throttle device, to overcome the defective that rotating speed is adjustable continuously and speed adjusting resistance generates heat easily that existing speed regulating device can not make motor.The technical solution of the utility model is: it is by resistance R 1, resistance R 2, resistance R 3, field effect transistor T, the time-base circuit chip IC, voltage stabilizing didoe D1, capacitor C 2, capacitor C 3 and pulse signal width regulating circuit 1 are formed, one end of resistance R 1 connects the negative electrode of voltage stabilizing didoe D1, the pin 4 of time-base circuit chip IC, the pin 8 of time-base circuit chip IC, one end of capacitor C 2 and the input of pulse signal width regulating circuit 1, three outputs of pulse signal width regulating circuit 1 are connected to the pin 2 of time-base circuit chip IC, on pin 6 and the pin 7, the other end of capacitor C 2 connects the pin 1 of time-base circuit chip IC, one end of capacitor C 3, the anode of voltage stabilizing didoe D1, one end of resistance R 3 and drain electrode and the ground connection of field effect transistor T, the other end of capacitor C 3 connects the pin 5 of time-base circuit chip IC, the other end of resistance R 3 connects an end of resistance R 2 and the grid of field effect transistor T, and the other end of resistance R 2 connects the pin 3 of time-base circuit chip IC.During the utility model work, another termination power+VCC of resistance R 1, the grounded drain of field effect transistor T, be connected on by the motor of speed governing between the source electrode of power supply+VCC and field effect transistor T, the pin 3 output high-frequency pulse signals of time-base circuit chip IC are applied on the grid of field effect transistor T, make field effect transistor T source electrode and the drain electrode between the high frequency turn-on and turn-off, finish the power supply of motor.Owing to can regulate the width of time-base circuit chip IC output pulse signal by pulse signal width regulating circuit 1, and the width of this signal can accomplish continuous adjusting, therefore can finish the no gear of motor, no rank speed governing.Because what use is pulse modulation technology, does not have speed adjusting resistance, so there is not waste of electric energy, also can not produce the danger of fire.Speed regulating device of the present utility model are simple in structure, with low cost, reliable operation, have bigger promotional value.

Description of drawings:

Fig. 1 is the structural representation of prior art, and Fig. 2 is the syndeton schematic diagram of the utility model and motor.

Embodiment:

Embodiment one: specify present embodiment below in conjunction with Fig. 2.Present embodiment is by resistance R 1, resistance R 2, resistance R 3, field effect transistor T, the time-base circuit chip IC, voltage stabilizing didoe D1, capacitor C 2, capacitor C 3 and pulse signal width regulating circuit 1 are formed, one end of resistance R 1 connects the negative electrode of voltage stabilizing didoe D1, the pin 4 of time-base circuit chip IC, the pin 8 of time-base circuit chip IC, one end of capacitor C 2 and the input of pulse signal width regulating circuit 1, three outputs of pulse signal width regulating circuit 1 are connected to the pin 2 of time-base circuit chip IC, on pin 6 and the pin 7, the other end of capacitor C 2 connects the pin 1 of time-base circuit chip IC, one end of capacitor C 3, the anode of voltage stabilizing didoe D1, one end of resistance R 3 and drain electrode and the ground connection of field effect transistor T, the other end of capacitor C 3 connects the pin 5 of time-base circuit chip IC, the other end of resistance R 3 connects an end of resistance R 2 and the grid of field effect transistor T, and the other end of resistance R 2 connects the pin 3 of time-base circuit chip IC.Pulse signal width regulating circuit 1 is by potentiometer W1, diode D2, diode D3, capacitor C 4, resistance R 4 and resistance R 5 are formed, one end of resistance R 4 connects an end of resistance R 1, the other end of resistance R 4 connects an end of resistance R 5, the pin 7 of the anode of diode D3 and time-base circuit chip IC, the other end of resistance R 5 connects the negative electrode of diode D2, the anode of diode D2 connects the end of potentiometer W1, the other end of potentiometer W1 connects the negative electrode of diode D3, the sliding contact of potentiometer W1 connects the pin 2 of time-base circuit chip IC, one end of pin 6 and capacitor C 4, the other end of capacitor C 4 connects the other end of capacitor C 2.When needs are regulated the rotating speed of motor, stir the sliding contact of potentiometer W, just can finish the work of the width of regulating time-base circuit chip IC pin 3 output pulse signals.The model of time-base circuit chip IC is selected NE555P for use, potentiometer W can select the potentiometer with K switch 1 for use, K switch 1 is connected between power supply+VCC and the resistance R 1, so be provided with and utilize K switch 1 can control starting of motor and stall, and because potentiometer W and K switch 1 are arranged on a position in the automobile, make automobile line simple, installation and maintenance are easy.

Claims (2)

1, the vehicle electric motor electrically-actuated throttle device, it is characterized in that it is by resistance (R1), resistance (R2), resistance (R3), field effect transistor (T), time-base circuit chip (IC), voltage stabilizing didoe (D1), electric capacity (C2), electric capacity (C3) and pulse signal width regulating circuit (1) are formed, one end of resistance (R1) connects the negative electrode of voltage stabilizing didoe (D1), the pin (4) of time-base circuit chip (IC), the pin (8) of time-base circuit chip (IC), the input of one end of electric capacity (C2) and pulse signal width regulating circuit (1), three outputs of pulse signal width regulating circuit (1) are connected to the pin (2) of time-base circuit chip (IC), on pin (6) and the pin (7), the other end of electric capacity (C2) connects the pin (1) of time-base circuit chip (IC), one end of electric capacity (C3), the anode of voltage stabilizing didoe (D1), the drain electrode and the ground connection of one end of resistance (R3) and field effect transistor (T), the other end of electric capacity (C3) connects the pin (5) of time-base circuit chip (IC), the other end of resistance (R3) connects an end of resistance (R2) and the grid of field effect transistor (T), and the other end of resistance (R2) connects the pin (3) of time-base circuit chip (IC).

2, vehicle electric motor electrically-actuated throttle device according to claim 1, it is characterized in that pulse signal width regulating circuit (1) is by potentiometer (W1), diode (D2), diode (D3), electric capacity (C4), resistance (R4) and resistance (R5) are formed, one end of resistance (R4) connects an end of resistance (R1), the other end of resistance (R4) connects an end of resistance (R5), the pin (7) of the anode of diode (D3) and time-base circuit chip (IC), the other end of resistance (R5) connects the negative electrode of diode (D2), the anode of diode (D2) connects an end of potentiometer (W1), the other end of potentiometer (W1) connects the negative electrode of diode (D3), the sliding contact of potentiometer (W1) connects the pin (2) of time-base circuit chip (IC), one end of pin (6) and electric capacity (C4), the other end of electric capacity (C4) connects the other end of electric capacity (C2).

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