阅读说明：本技术 智能车窗一键升降控制电路 (Intelligent car window one-key lifting control circuit ) 是由 李元杰 于 2020-06-24 设计创作，主要内容包括：本申请涉及一种智能车窗一键升降控制电路,包括微处理器、与所述微处理器的输入端连接的主控组合开关、与所述微处理器的输出端连接的前左窗控制模块、前右窗控制模块、后左窗控制模块、以及后右窗控制模块,所述主控组合开关短触时,所述前左窗控制模块控制前左窗的升、降；所述主控组合开关长触时,所述微处理器通过前左窗控制模块、前右窗控制模块、后左窗控制模块、后右窗控制模块对应控制前左窗、前右窗、后左窗、后右窗的升、降。本申请通过长按或短按主控组合开关,系统可判断输出的信号用于控制前左窗的升、降还是用于控制4个车窗的升、降,一键操作行车更安全,给驾驶员带来极大的便利。(The application relates to an intelligent car window one-key lifting control circuit which comprises a microprocessor, a main control combination switch connected with the input end of the microprocessor, a front left window control module, a front right window control module, a rear left window control module and a rear right window control module, wherein the front left window control module controls the lifting of a front left window and the lifting of the rear right window when the main control combination switch is in short touch; when the master control combination switch is in long touch, the microprocessor correspondingly controls the front left window, the front right window, the rear left window and the rear right window to ascend and descend through the front left window control module, the front right window control module, the rear left window control module and the rear right window control module. This application is through long pressing or short main control combination switch, and the system can judge that the signal of output is used for controlling the rising of front left window, falls or is used for controlling the rising of 4 door windows, falls, and a key operation driving is safer, brings very big facility for the driver.)

1. An intelligence door window key lift control circuit, its characterized in that: the front left window control module controls the front left window to ascend and descend when the master control combination switch is short-touched; when the master control combination switch is in long touch, the microprocessor correspondingly controls the front left window, the front right window, the rear left window and the rear right window to ascend and descend through the front left window control module, the front right window control module, the rear left window control module and the rear right window control module.

2. The smart car window one-key lifting control circuit according to claim 1, wherein: the front left window control module comprises

The front left window motor driving circuit is connected with the microprocessor and is used for controlling the forward and reverse rotation of the front left window motor according to the output lifting signal;

and the feedback circuit is connected between the front left window motor driving circuit and the microprocessor and is used for feeding back the voltage output of the front left window motor to the microprocessor.

3. The smart car window one-key lifting control circuit according to claim 2, wherein: the front left window motor driving circuit comprises a relay K1, a relay K2, a triode Q1 and a triode Q2, wherein the base electrode of the triode Q1 is connected with the output end of the microprocessor, the emitting electrode of the triode Q1 is grounded, and the relay K1 is connected between the collecting electrode of the triode Q1 and a door window power supply vbb;

the front left window motor is arranged on a passage between a common contact of the relay K1 and a common contact of the relay K2;

the normally closed contact of the relay K1 is connected with the normally closed contact of the relay K2, the common end of the relay K1 is connected with the feedback circuit, the normally open contact of the relay K1 is connected with the normally open contact of the relay K2, and the common end of the relay K1 is connected with the door and window power supply vbb;

the base electrode of the triode Q2 is connected with the output end of the microprocessor, the emitting electrode of the triode Q2 is grounded, and the collecting electrode of the triode Q2 is connected with the relay K2.

4. The smart car window one-key lifting control circuit according to claim 3, wherein: the feedback circuit comprises an operational amplifier U1 and a sampling resistor R5, wherein the non-inverting input end of the operational amplifier U1 is connected between the normally closed contact of the relay K1 and the normally closed contact of the relay K2, the output end of the operational amplifier U1 is connected with the microprocessor, feedback resistors R1 and R2 are arranged between the output end of the operational amplifier U1 and the inverting input end of the operational amplifier U1, and the connection point of the resistor R1 and the resistor R2 is connected with the inverting input end of the operational amplifier U1; one end of the sampling resistor R5 is connected with the non-inverting input end of the operational amplifier U1, and the other end is grounded.

5. The smart car window one-key lifting control circuit according to claim 1, wherein: the main control combination switch comprises a window lifting button and a window lowering button, and the window lifting button is used for outputting a window lifting signal so as to control the lifting of a vehicle window; the window descending button is used for outputting a window descending signal to control the descending of the car window.

6. The smart car window one-key lifting control circuit according to claim 5, wherein: the lifting control circuit also comprises a second combination switch, a third combination switch and a fourth combination switch which are connected with the input end of the microprocessor, and when the second combination switch is short-touched, the front right window control module controls the lifting and falling of the front right window; when the third combination switch is short-touched, the rear left window control module controls the rear left window to ascend and descend; and when the fourth combined switch is short-touched, the rear right window control module controls the rear right window to ascend and descend.

7. The smart car window one-key lifting control circuit according to claim 1, wherein: the microprocessor is an MCU.

8. The smart car window one-key lifting control circuit according to claim 1, wherein: the relay K1 and the relay K2 are single-pole double-throw relays.

[ technical field ] A method for producing a semiconductor device

The application relates to an intelligence door window one-key lift control circuit.

[ background of the invention ]

At present, automobiles are generally provided with power windows, and the windows are driven to lift by a motor. However, in the driving process of the automobile, if 4 windows need to be opened or closed, 4 switches need to be manually operated in sequence, so that the operation is inconvenient, a driver is unsafe to drive, and potential safety hazards exist.

[ summary of the invention ]

For solving the problem that 4 windows of the existing window control system need to be lifted and lowered by manually operating 4 switches in sequence in the running process of the automobile, so that the running is unsafe, the application provides an intelligent window one-key lifting control circuit.

The technical scheme adopted for solving the technical problem is as follows:

the intelligent car window one-key lifting control circuit comprises a microprocessor, a main control combination switch connected with the input end of the microprocessor, a front left window control module, a front right window control module, a rear left window control module and a rear right window control module, wherein the front left window control module controls the lifting and the falling of a front left window when the main control combination switch is in short touch; when the master control combination switch is in long touch, the microprocessor correspondingly controls the front left window, the front right window, the rear left window and the rear right window to ascend and descend through the front left window control module, the front right window control module, the rear left window control module and the rear right window control module.

The intelligent car window one-key lifting control circuit comprises a front left window control module and a front left window control module

The front left window motor driving circuit is connected with the microprocessor and is used for controlling the forward and reverse rotation of the front left window motor according to the output lifting signal;

and the feedback circuit is connected between the front left window motor driving circuit and the microprocessor and is used for feeding back the voltage output of the front left window motor to the microprocessor.

The intelligent vehicle window one-key lifting control circuit comprises a relay K1, a relay K2, a triode Q1 and a triode Q2, wherein the base electrode of the triode Q1 is connected with the output end of the microprocessor, the emitter electrode of the triode Q1 is grounded, and a relay K1 is connected between the collector electrode of the triode Q1 and a door window power supply vbb;

the front left window motor is arranged on a passage between a common contact of the relay K1 and a common contact of the relay K2;

the normally closed contact of the relay K1 is connected with the normally closed contact of the relay K2, the common end of the relay K1 is connected with the feedback circuit, the normally open contact of the relay K1 is connected with the normally open contact of the relay K2, and the common end of the relay K1 is connected with the door and window power supply vbb;

the base electrode of the triode Q2 is connected with the output end of the microprocessor, the emitting electrode of the triode Q2 is grounded, and the collecting electrode of the triode Q2 is connected with the relay K2.

The intelligent car window one-key lifting control circuit comprises an operational amplifier U1 and a sampling resistor R5, wherein the non-inverting input end of the operational amplifier U1 is connected between the normally closed contact of a relay K1 and the normally closed contact of the relay K2, the output end of the operational amplifier U1 is connected with a microprocessor, feedback resistors R1 and R2 are arranged between the output end of an operational amplifier U1 and the inverting input end of the operational amplifier U1, and the connecting point of the resistor R1 and the resistor R2 is connected with the inverting input end of the operational amplifier U1; one end of the sampling resistor R5 is connected with the non-inverting input end of the operational amplifier U1, and the other end is grounded.

According to the intelligent car window one-key lifting control circuit, the main control combined switch comprises a window lifting button and a window lowering button, and the window lifting button is used for outputting a window lifting signal so as to control the lifting of a car window; the window descending button is used for outputting a window descending signal to control the descending of the car window.

The intelligent car window one-key lifting control circuit further comprises a second combination switch, a third combination switch and a fourth combination switch which are connected with the input end of the microprocessor, and when the second combination switch is in short touch, the front right window control module controls the front right window to lift; when the third combination switch is short-touched, the rear left window control module controls the rear left window to ascend and descend; and when the fourth combined switch is short-touched, the rear right window control module controls the rear right window to ascend and descend.

According to the intelligent car window one-key lifting control circuit, the microprocessor is an MCU.

According to the intelligent car window one-key lifting control circuit, the relay K1 and the relay K2 are single-pole double-throw relays.

Compared with the prior art, the beneficial effects of this application lie in, press or press the master control combination switch for a short time through the length, the system can judge that the signal of output is used for controlling the rising, falling of left window before or is used for controlling the rising, falling of 4 door windows, and a key operation driving is safer, brings very big facility for the driver.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a block diagram of a lift control circuit according to the present application;

fig. 2 is a circuit diagram of a front left window raising and lowering control circuit according to an embodiment of the present application.

[ detailed description ] embodiments

The present application will be further described with reference to the following drawings and specific embodiments.

An intelligent car window one-key lifting control circuit comprises a microprocessor 1, a main control combination switch 21 connected with an input end of the microprocessor 1, a front left window control module 31, a front right window control module 32, a rear left window control module 33 and a rear right window control module 34 which are connected with an output end of the microprocessor 1, wherein when the main control combination switch 21 is short-touched, the front left window control module 31 controls the lifting and the falling of a front left window; when the switch of the main control combination 21 is in long touch, the microprocessor 1 correspondingly controls the lifting of the front left window, the front right window, the rear left window and the rear right window through the front left window control module 31, the front right window control module 32, the rear left window control module 33 and the rear right window control module 34. In this embodiment, the microprocessor is a programmable MCU.

According to the embodiment of the application, the master control combination switch is pressed for a long time or is pressed for a short time, the system can judge whether the output signal is used for controlling the rising and falling of the front left window or 4 windows, the one-key operation driving is safer, and great convenience is brought to a driver.

In this embodiment, the front right window control module 32, the rear left window control module 33, the rear right window control module 34 and the front left window control module 31 have the same circuit structure, so the front left window control module 31 is explained. The front left window control module 31 comprises a front left window motor driving circuit 311 and a feedback circuit 312, wherein the front left window motor driving circuit 311 is connected with the microprocessor 1 and is used for controlling the forward and reverse rotation of the front left window motor according to the output lifting signal; the feedback circuit 312 is connected between the front left window motor driving circuit 311 and the microprocessor 1, and is configured to feed back the voltage output of the front left window motor to the microprocessor 1.

In this embodiment, the front left window motor driving circuit 311 includes a relay K1, a relay K2, a transistor Q1, and a transistor Q2, a base of the transistor Q1 is connected to an output terminal of the microprocessor 1 through a resistor R3, an emitter of the transistor Q1 is grounded, the relay K1 is connected between a collector of the transistor Q1 and a window power source vbb, and the front left window motor is disposed on a path between a common contact of the relay K1 and a common contact of the relay K2; the normally closed contact of the relay K1 is connected with the normally closed contact of the relay K2, the common end of the relay K1 is connected with the feedback circuit 312, the normally open contact of the relay K1 is connected with the normally open contact of the relay K2, and the common end of the relay K1 is connected with the door and window power supply vbb; the base electrode of the triode Q2 is connected with the output end of the microprocessor 1 through a resistor R4, the emitting electrode of the triode Q2 is grounded, and the collecting electrode of the triode Q2 is connected with a relay K2. Relays K1 and K2 are common single pole double throw relays.

In this embodiment, the feedback circuit 312 includes an operational amplifier U1 and a sampling resistor R5, a non-inverting input terminal of the operational amplifier U1 is connected between a normally closed contact of the relay K1 and a normally closed contact of the relay K2, an output terminal of the operational amplifier U1 is connected to the microprocessor 1, feedback resistors R1 and R2 are provided between an output terminal of the operational amplifier U1 and an inverting input terminal of the operational amplifier U1, and a connection point of the resistor R1 and the resistor R2 is connected to the inverting input terminal of the operational amplifier U1; one end of the sampling resistor R5 is connected with the non-inverting input end of the operational amplifier U1, and the other end is grounded. When the front left window motor is locked, the current flowing through the motor is rapidly increased, the voltage drop formed on the sampling resistor R5 is also rapidly increased, the voltage is amplified by the operational amplifier and then sent to the microprocessor 1, and then the microprocessor stops the rotation of the front left window motor through the front left window control module.

The main control combination switch comprises a window lifting button and a window lowering button, and the window lifting button is used for outputting a window lifting signal so as to control the lifting of a vehicle window; the window descending button is used for outputting a window descending signal to control the descending of the car window.

In addition, the lifting control circuit of the present application further includes a second combination switch 22, a third combination switch 23, and a fourth combination switch 24 connected to the input end of the microprocessor 1, and when the second combination switch 22 is short-touched, the front right window control module 32 controls the lifting of the front right window; when the third combination switch 23 is short-touched, the rear left window control module 33 controls the rear left window to ascend and descend; when the fourth combination switch 24 is short-circuited, the rear right window control module 34 controls the rear right window to ascend and descend. In this embodiment, the second combination switch 22, the third combination switch 23, and the fourth combination switch 24 have the same circuit structure as the main control combination switch 21, and are not described herein again.

The working process of the application is as follows:

when the ascending button of the master control combination switch is pressed for a short time, the microprocessor 1 in the ascending and descending control circuit controls the single-pole double-throw relay K2 to suck through the resistor R4 and the triode Q2, at the moment, current flows to the grounding end through the vehicle window power supply vbb, the normally open contact of the single-pole double-throw relay 19, the front left window motor, the normally closed contact of the single-pole double-throw relay K2 and the sampling resistor R5, and the front left window motor rotates in the positive direction. When the motor of the front left window is locked, the current flowing through the motor is rapidly increased, the voltage drop formed on the sampling resistor R5 is also rapidly increased, and the voltage is amplified by the operational amplifier U1 and then is sent to the microprocessor. When the current exceeds the set current limit value, the microprocessor controls the single-pole double-throw relay K2 to be switched off, and the front left window motor stops rotating. When the ascending button of the master control combination switch is pressed for a long time, the microprocessor 1 controls the front left window motor, the front right window motor, the rear left window motor and the rear right window motor to rotate in the forward direction, and 4 vehicle windows are lifted.

When a descending button of the master control combination switch is pressed for a short time, the microprocessor 1 in the lifting control circuit controls the single-pole double-throw relay K1 to suck through the resistor R3 and the triode Q1, at the moment, current flows to the grounding end through the vehicle window power supply vbb, the normally open contact of the single-pole double-throw relay K1, the front left window motor, the normally closed contact of the single-pole double-throw relay K2 and the sampling resistor R5, and the front left window motor rotates reversely. When the motor of the front left window is locked, the current flowing through the motor is rapidly increased, the voltage drop formed on the sampling resistor R5 is also rapidly increased, the voltage is amplified by the operational amplifier U1 and then is sent to the microprocessor 1, when the current exceeds the set current limit value, the microprocessor controls the single-pole double-throw relay K1 to be disconnected, and the motor of the front left window stops rotating. When the descending button of the master control combination switch is pressed for a long time, the microprocessor 1 controls the front left window motor, the front right window motor, the rear left window motor and the rear right window motor to rotate reversely, and 4 vehicle windows are descended.

The above description is only for the purpose of illustrating the preferred embodiments of the present application and is not intended to limit the scope of the present application, which is within the scope of the present application, except that the same or similar principles and basic structures as the present application may be used.