阅读说明：本技术 一种汽车智能冷暖调节系统 (Intelligent automobile cooling and heating adjusting system ) 是由 朱俊峰 黄朝斌 柴博 张中刚 章志才 崔建维 汪中奇 贾载勋 潘瑞 范宝 陈强 于 2021-08-27 设计创作，主要内容包括：本发明提供一种汽车智能冷暖调节系统,包括：第一继电器、开关电路、占空比调节电路和冷暖调节旋钮。第一继电器的输入端与点火开关的输出端相连接,第一继电器的输出端与开关电路的控制端相连。开关电路的输入端与点火开关的输出端相连接,开关电路的输出端与占空比调节电路的输入端相连接。占空比调节电路的控制端与冷暖调节旋钮信号连接,占空比调节电路的输出端分别与压缩机和冷凝器的输入端相连接。在第一继电器闭合时,开关电路导通所述点火开关与占空比调节电路的电连接,占空比调节电路根据冷暖调节旋钮的旋转角度控制开关电路连通电流的通断时间,以控制汽车空调的冷暖调节比例。本发明能降低车辆能源消耗。(The invention provides an automobile intelligent cooling and heating adjusting system, which comprises: the device comprises a first relay, a switching circuit, a duty ratio adjusting circuit and a cooling and heating adjusting knob. The input end of the first relay is connected with the output end of the ignition switch, and the output end of the first relay is connected with the control end of the switch circuit. The input end of the switch circuit is connected with the output end of the ignition switch, and the output end of the switch circuit is connected with the input end of the duty ratio adjusting circuit. The control end of the duty ratio adjusting circuit is in signal connection with the cold and warm adjusting knob, and the output end of the duty ratio adjusting circuit is respectively connected with the input ends of the compressor and the condenser. When the first relay is closed, the switch circuit is conducted with the electric connection of the ignition switch and the duty ratio adjusting circuit, and the duty ratio adjusting circuit controls the on-off time of the switch circuit for connecting current according to the rotation angle of the cooling and heating adjusting knob so as to control the cooling and heating adjusting proportion of the automobile air conditioner. The invention can reduce the energy consumption of the vehicle.)

1. An automobile intelligent cooling and heating adjusting system is characterized by comprising: the first relay, the switching circuit, the duty ratio regulating circuit and the cooling and heating regulating knob;

the input end of the first relay is connected with the output end of the ignition switch, and the output end of the first relay is connected with the control end of the switch circuit;

the input end of the switch circuit is connected with the output end of the ignition switch, and the output end of the switch circuit is connected with the input end of the duty ratio regulating circuit;

the control end of the duty ratio adjusting circuit is in signal connection with the cold and warm adjusting knob, and the output end of the duty ratio adjusting circuit is respectively connected with the input ends of the compressor and the condenser;

when the first relay is closed, the switch circuit is used for conducting the electric connection between the ignition switch and the duty ratio adjusting circuit, and the duty ratio adjusting circuit is used for controlling the on-off time of the switching circuit for communicating current according to the rotation angle of the cooling and heating adjusting knob so as to adjust the operation duty ratio of the compressor and the condenser and further control the cooling and heating adjusting proportion of the automobile air conditioner.

2. The intelligent cooling and heating system for the automobile as claimed in claim 1, further comprising: the second relay, the blower and the blower control switch;

the input end of the second relay is connected with the anode of the storage battery, the output end of the second relay is connected with the control end of the blower, the input end of the coil end of the second relay is connected with the output end of the ignition switch, the output end of the coil end of the second relay is in signal connection with the blower control switch, and the blower controller is in signal connection with the blower;

and the blower control switch controls the running speed of the blower according to the set switch gear and conducts the output end of the second relay coil end to be electrically connected with a ground.

3. The intelligent cooling and heating system for the automobile as claimed in claim 2, further comprising: an air conditioner AC switch and a temperature controller;

the air conditioner AC switch is respectively in signal connection with the output end of the second relay coil end and the temperature controller, and the temperature controller is in signal connection with the output end of the first relay coil end;

the air conditioner AC switch conducts the electric connection between the output end of the second relay coil end and a ground according to the set air conditioner gear, and adjusts the set temperature of the temperature controller;

and the temperature controller controls the connection or disconnection of the output end of the coil end of the first relay and the ground connection according to the set temperature so as to control the connection or disconnection of the first relay and further control the operation of the compressor and the condenser.

4. The intelligent cooling and heating system for the automobile as claimed in claim 3, further comprising: a pressure switch;

the pressure switch is connected in series between the output end of the first relay coil end and the temperature controller and used for controlling the connection or disconnection of the output end of the first relay coil end and the grounding electric connection according to the air conditioner refrigeration pressure.

5. The intelligent cooling and heating system for the automobile as claimed in claim 4, wherein the switching circuit comprises: a first triode;

the base electrode of the first triode is used as the control end of the switch circuit, the collector electrode of the first triode is used as the input end of the switch circuit, and the emitter electrode of the first triode is used as the output end of the switch circuit.

6. The intelligent cooling and heating system for the automobile as claimed in claim 5, wherein the duty cycle adjusting circuit comprises: the second triode, the slide rheostat, the first voltage comparator and the voltage output regulating circuit;

the base electrode of the second triode is connected with the output end of the first voltage comparator, the positive input end of the first voltage comparator is connected with the output end of the sliding rheostat, and the negative input end of the first voltage comparator is connected with the output end of the voltage output regulating circuit;

the slide rheostat is connected between the reference power supply and the whole vehicle ground in series;

the voltage output regulating circuit is used for regulating the input voltage of the inverting input end of the first voltage comparator according to a set requirement so as to regulate the output voltage of the first voltage comparator;

the collector of the second triode is the input end of the duty ratio regulating circuit, the emitter of the second triode is the output end of the duty ratio regulating circuit, and the regulating end of the sliding rheostat is the control end of the duty ratio regulating circuit.

7. The intelligent cooling and heating regulation system for automobiles according to claim 6, wherein the voltage output regulation circuit comprises: the circuit comprises a second voltage comparator, a first capacitor, a first resistor, a second resistor, a third resistor, a fourth resistor and a feedback resistor;

one end of the first capacitor is connected with the reverse input end of the first voltage comparator, the reverse input end of the second voltage comparator and one end of the feedback resistor respectively, and the other end of the first capacitor is connected with the ground of the whole vehicle;

the other end of the feedback resistor is respectively connected with one end of the second resistor, the output end of the second voltage comparator and one end of the third resistor, and the other end of the second resistor is connected with a reference power supply;

the other end of the third resistor is respectively connected with the positive input end of the second voltage comparator, one end of the first resistor and one end of the fourth resistor;

the other end of the first resistor is connected with a reference power supply, and the other end of the fourth resistor is connected with the whole vehicle ground.

8. The intelligent cooling and heating system for automobile as claimed in claim 7, wherein the voltage output regulating circuit further comprises: a fifth resistor, a sixth resistor and a second capacitor;

the fifth resistor is connected between the sliding rheostat and the reference power supply in series, the sixth resistor is connected between the output end of the first voltage comparator and the reference power supply in series, one end of the second capacitor is connected with the positive input end of the first voltage comparator, and the other end of the second capacitor is connected with the whole vehicle ground.

Technical Field

The invention relates to the technical field of automobile air conditioner control, in particular to an intelligent automobile cooling and heating adjusting system.

Background

The automobile air conditioning system is used for adjusting and controlling the temperature, the humidity, the air cleanliness and the air flow in an automobile compartment to be in the optimal state, providing a comfortable riding environment for passengers and reducing the journey fatigue; the ventilation system creates good working conditions for drivers and plays an important role in ensuring safe driving. However, in the conventional vehicle air conditioning system, for the air conditioning cooling and heating control, the temperature of the cab is mainly adjusted by adjusting the size of the cooling and heating air door to change the mixing ratio of cold air and hot air. The cooling and heating adjustment mode easily causes the increase of the refrigerating capacity consumption, the oil consumption of the engine is correspondingly improved, and the effect of saving energy consumption cannot be achieved.

Disclosure of Invention

The invention provides an intelligent automobile cooling and heating adjusting system, which solves the problem of high energy consumption of the existing automobile that cooling and heating adjustment is carried out by adjusting the size of an air door, and can reduce the energy consumption of the automobile and the emission of the automobile.

In order to achieve the above purpose, the invention provides the following technical scheme:

an intelligent cooling and heating adjusting system for an automobile comprises: the first relay, the switching circuit, the duty ratio regulating circuit and the cooling and heating regulating knob;

the input end of the first relay is connected with the output end of the ignition switch, and the output end of the first relay is connected with the control end of the switch circuit;

the input end of the switch circuit is connected with the output end of the ignition switch, and the output end of the switch circuit is connected with the input end of the duty ratio regulating circuit;

the control end of the duty ratio adjusting circuit is in signal connection with the cold and warm adjusting knob, and the output end of the duty ratio adjusting circuit is respectively connected with the input ends of the compressor and the condenser;

when the first relay is closed, the switch circuit is used for conducting the electric connection between the ignition switch and the duty ratio adjusting circuit, and the duty ratio adjusting circuit is used for controlling the on-off time of the switching circuit for communicating current according to the rotation angle of the cooling and heating adjusting knob so as to adjust the operation duty ratio of the compressor and the condenser and further control the cooling and heating adjusting proportion of the automobile air conditioner.

Preferably, the method further comprises the following steps: the second relay, the blower and the blower control switch;

the input end of the second relay is connected with the anode of the storage battery, the output end of the second relay is connected with the control end of the blower, the input end of the coil end of the second relay is connected with the output end of the ignition switch, the output end of the coil end of the second relay is in signal connection with the blower control switch, and the blower controller is in signal connection with the blower;

and the blower control switch controls the running speed of the blower according to the set switch gear and conducts the output end of the second relay coil end to be electrically connected with a ground.

Preferably, the method further comprises the following steps: an air conditioner AC switch and a temperature controller;

the air conditioner AC switch is respectively in signal connection with the output end of the second relay coil end and the temperature controller, and the temperature controller is in signal connection with the output end of the first relay coil end;

the air conditioner AC switch conducts the electric connection between the output end of the second relay coil end and a ground according to the set air conditioner gear, and adjusts the set temperature of the temperature controller;

and the temperature controller controls the connection or disconnection of the output end of the coil end of the first relay and the ground connection according to the set temperature so as to control the connection or disconnection of the first relay and further control the operation of the compressor and the condenser.

Preferably, the method further comprises the following steps: a pressure switch;

the pressure switch is connected in series between the output end of the first relay coil end and the temperature controller and used for controlling the connection or disconnection of the output end of the first relay coil end and the grounding electric connection according to the air conditioner refrigeration pressure.

Preferably, the switching circuit includes: a first triode;

the base electrode of the first triode is used as the control end of the switch circuit, the collector electrode of the first triode is used as the input end of the switch circuit, and the emitter electrode of the first triode is used as the output end of the switch circuit.

Preferably, the duty cycle adjusting circuit includes: the second triode, the slide rheostat, the first voltage comparator and the voltage output regulating circuit;

the base electrode of the second triode is connected with the output end of the first voltage comparator, the positive input end of the first voltage comparator is connected with the output end of the sliding rheostat, and the negative input end of the first voltage comparator is connected with the output end of the voltage output regulating circuit;

the slide rheostat is connected between the reference power supply and the whole vehicle ground in series;

the voltage output regulating circuit is used for regulating the input voltage of the inverting input end of the first voltage comparator according to a set requirement so as to regulate the output voltage of the first voltage comparator;

the collector of the second triode is the input end of the duty ratio regulating circuit, the emitter of the second triode is the output end of the duty ratio regulating circuit, and the regulating end of the sliding rheostat is the control end of the duty ratio regulating circuit.

Preferably, the voltage output regulating circuit includes: the circuit comprises a second voltage comparator, a first capacitor, a first resistor, a second resistor, a third resistor, a fourth resistor and a feedback resistor;

one end of the first capacitor is connected with the reverse input end of the first voltage comparator, the reverse input end of the second voltage comparator and one end of the feedback resistor respectively, and the other end of the first capacitor is connected with the ground of the whole vehicle;

the other end of the feedback resistor is respectively connected with one end of the second resistor, the output end of the second voltage comparator and one end of the third resistor, and the other end of the second resistor is connected with a reference power supply;

the other end of the third resistor is respectively connected with the positive input end of the second voltage comparator, one end of the first resistor and one end of the fourth resistor;

the other end of the first resistor is connected with a reference power supply, and the other end of the fourth resistor is connected with the whole vehicle ground.

Preferably, the voltage output regulating circuit further includes: a fifth resistor, a sixth resistor and a second capacitor;

the fifth resistor is connected between the sliding rheostat and the reference power supply in series, the sixth resistor is connected between the output end of the first voltage comparator and the reference power supply in series, one end of the second capacitor is connected with the positive input end of the first voltage comparator, and the other end of the second capacitor is connected with the whole vehicle ground.

The invention provides an intelligent automobile cooling and heating adjusting system, wherein a switch circuit and a duty ratio adjusting circuit are arranged at the output end of an ignition switch, the duty ratio adjusting circuit is in signal connection with a cooling and heating adjusting knob, and the duty ratio adjusting circuit controls the on-off time of the switching circuit for connecting current according to the rotation angle of the cooling and heating adjusting knob so as to control the cooling and heating adjusting proportion of an automobile air conditioner. The problem of current vehicle pass through the air damper size and carry out the changes in temperature regulation and have energy resource consumption big is solved, can reduce vehicle energy resource consumption, reduce vehicle emission.

Drawings

In order to more clearly describe the specific embodiments of the present invention, the drawings to be used in the embodiments will be briefly described below.

Fig. 1 is a schematic diagram of an intelligent cooling and heating system for an automobile provided by the invention.

Fig. 2 is a schematic diagram of an intelligent cooling and heating adjusting circuit of an automobile provided by the invention.

Detailed Description

In order to make the technical field of the invention better understand the scheme of the embodiment of the invention, the embodiment of the invention is further described in detail with reference to the drawings and the implementation mode.

Aiming at the problem of high energy consumption in the prior cooling and heating regulation of a vehicle through a damper, the invention provides an intelligent cooling and heating regulation system for an automobile. The problem of current vehicle pass through the air damper size and carry out the changes in temperature regulation and have energy resource consumption big is solved, can reduce vehicle energy resource consumption, reduce vehicle emission.

As shown in fig. 1, an intelligent cooling and heating system for an automobile includes: the device comprises a first relay K1, a switching circuit, a duty ratio adjusting circuit and a cold-warm adjusting knob. The input end of the first relay K1 is connected with the output end of the ignition switch, and the output end of the first relay is connected with the control end of the switch circuit. The input end of the switch circuit is connected with the output end of the ignition switch, and the output end of the switch circuit is connected with the input end of the duty ratio adjusting circuit. The control end of the duty ratio adjusting circuit is in signal connection with the cold and warm adjusting knob, and the output end of the duty ratio adjusting circuit is respectively connected with the input ends of the compressor 1 and the condenser 2. When the first relay is closed, the switch circuit is used for conducting the electric connection between the ignition switch and the duty ratio adjusting circuit, and the duty ratio adjusting circuit is used for controlling the on-off time of the switching circuit for communicating current according to the rotation angle of the cooling and heating adjusting knob so as to adjust the operation duty ratio of the compressor and the condenser and further control the cooling and heating adjusting proportion of the automobile air conditioner.

Specifically, the ignition switch controls the operation of the compressor and the condenser through the first relay, and is provided with a switching circuit and a duty ratio adjusting circuit so as to adjust the duty ratio of an electric signal output by the ignition switch, so that the compressor and the condenser operate according to the adjusted duty ratio, the cooling and heating proportion of the vehicle air conditioner is adjusted, and cooling and heating control is achieved. The problem that energy consumption is large when the existing vehicle is subjected to cold-warm adjustment through the size of the air door can be solved, energy consumption of the vehicle can be reduced, and vehicle emission is reduced.

As shown in fig. 1, the system further includes: a second relay K2, a blower 4 and a blower control switch. The input end of the second relay is connected with the positive electrode of the storage battery B, the output end of the second relay K2 is connected with the control end of the air blower 4, the input end of the coil end of the second relay is connected with the output end IG2 of the ignition switch, the output end of the coil end of the second relay is in signal connection with the air blower control switch, and the air blower control switch is in signal connection with the air blower. And the blower control switch controls the running speed of the blower according to the set switch gear and conducts the output end of the second relay coil end to be electrically connected with a ground.

In practical application, the blower control switch controls the blower rotating speed, when OFF gear, the second relay is broken, the blower does not have a power supply to stop rotating, L gear, the resistor is the largest, the air volume is the smallest, ML gear, the resistor is centered on the air volume, MH gear, the resistor is centered on the air volume, H gear, the resistor is the smallest, and the air volume is the largest.

As shown in fig. 1, the system further includes: an air conditioner AC switch and a temperature controller; the air conditioner AC switch is respectively in signal connection with the output end of the second relay coil end and the temperature controller, and the temperature controller is in signal connection with the output end of the first relay coil end. And the air conditioner AC switch is used for conducting the electric connection between the output end of the second relay coil end and a ground according to the set air conditioner gear, and adjusting the set temperature of the temperature controller. And the temperature controller controls the connection or disconnection of the output end of the coil end of the first relay and the ground connection according to the set temperature so as to control the connection or disconnection of the first relay and further control the operation of the compressor and the condenser.

As shown in fig. 1, the system further includes: a pressure switch 3; the pressure switch 3 is connected in series between the output end of the first relay coil end and the temperature controller and used for controlling the connection or disconnection of the output end of the first relay coil end and the ground connection according to the air conditioner refrigeration pressure.

As shown in fig. 2, the switching circuit includes: a first transistor Q1. The base of the first transistor Q1 is used as the control terminal of the switch circuit, the collector of the first transistor Q1 is used as the input terminal of the switch circuit, and the emitter of the first transistor Q1 is used as the output terminal of the switch circuit.

As shown in fig. 2, the duty ratio adjusting circuit includes: the circuit comprises a second triode Q2, a slide rheostat RT, a first voltage comparator U1 and a voltage output regulating circuit. The base of the second triode Q2 is connected to the output terminal of the first voltage comparator U1, the positive input terminal of the first voltage comparator U1 is connected to the output terminal of the sliding rheostat RT, and the negative input terminal of the first voltage comparator U1 is connected to the output terminal of the voltage output regulating circuit. The slide rheostat is connected between the reference power supply and the whole vehicle ground in series. The voltage output regulating circuit is used for regulating the input voltage of the inverting input end of the first voltage comparator according to a set requirement so as to regulate the output voltage of the first voltage comparator. The collector of the second triode Q2 is the input end of the duty cycle adjusting circuit, the emitter of the second triode Q2 is the output end of the duty cycle adjusting circuit, and the adjusting end of the sliding rheostat RT is the control end of the duty cycle adjusting circuit.

Further, the voltage output regulating circuit includes: the circuit comprises a second voltage comparator U2, a first capacitor C1, a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4 and a feedback resistor RF. One end of the first capacitor C1 is respectively connected with the inverting input terminal of the first voltage comparator U1, the inverting input terminal of the second voltage comparator U2 and one end of the feedback resistor RF, and the other end of the first capacitor C1 is connected with the ground of the entire vehicle. The other end of the feedback resistor RF is respectively connected to one end of the second resistor R2, the output end of the second voltage comparator U2, and one end of the third resistor R3, and the other end of the second resistor R2 is connected to a reference power source VCC. The other end of the third resistor R3 is connected to the positive input terminal of the second voltage comparator U2, one end of the first resistor R1 and one end of the fourth resistor R4, respectively. The other end of the first resistor R1 is connected with a reference power supply VCC, and the other end of the fourth resistor R4 is connected with the ground of the whole vehicle.

As shown in fig. 2, the voltage output regulating circuit further includes: a fifth resistor R5, a sixth resistor R6 and a second capacitor C2. The fifth resistor R5 is connected in series between the slide rheostat RT and the reference power supply VCC, the sixth resistor R6 is connected in series between the output end of the first voltage comparator U1 and the reference power supply VCC, one end of the second capacitor C2 is connected with the positive input end of the first voltage comparator U1, and the other end of the second capacitor C2 is connected with the ground of the whole vehicle.

Specifically, as shown in fig. 2, the effective resistance of the sliding resistor RT can be adjusted by adjusting the cooling and heating adjustment knob, when the cooling and heating adjustment knob is in the hottest mode, the RT sliding rheostat is located at the lowest end, at this time, the positive input end of the first voltage comparator U1 is 0, the negative input end is > 0V, the first voltage comparator outputs a low level all the time, the input end of the second triode Q2 inputs a low level, the second triode Q1 is cut off, and the compressor does not work. When the cold and warm knob rotates towards one side of the cold wind mode, the slide rheostat RT slides towards the upper side, the voltage of the positive input end of the first voltage comparator U1 rises to 5V, the initial value of the reverse input end of the first voltage comparator U1 is 0V, the first capacitor C1 starts to be charged, the reverse voltage of the first voltage comparator U1 rises continuously, the positive voltage of the first voltage comparator U1 is higher than the reverse voltage, the high level is input to the input end of the second triode Q2, the second triode Q2 is switched on, the compressor works, when the reverse input end of the first voltage comparator U1 rises to 6V, the voltage of the positive input end of the first voltage comparator U1 is lower than the voltage of the reverse input end, the low level is input to the input end of the second triode Q2, the second triode Q2 is switched off, and the compressor stops working. When the reverse input end of the first voltage comparator U1 rises to 8V, the forward input end of the second voltage comparator U2 is 7.2V, the voltage of the forward input end of the second voltage comparator U2 is lower than that of the reverse input end, the second voltage comparator U2 outputs a low level, the forward input end of the second voltage comparator U2 is changed to 4.8V, the first capacitor C1 discharges through the feedback resistor RF, when the voltage of the reverse input end of the second voltage comparator U2 is less than 4.8V, the voltage of the forward input end of the second voltage comparator U2 is higher than that of the reverse input end, the second voltage comparator U2 outputs a high level, the first capacitor C1 is cut off in discharging, and charging is carried out again. The more the slide rheostat RT slides upwards, the longer the conduction time of the second triode Q2 is, so the higher the rotating speed of the compressor is, when the cold and warm knob rotates to the coldest position and the slide rheostat RT slides to the uppermost end, the forward input end voltage of the first voltage comparator U1 is always greater than the reverse input end voltage, the first voltage comparator U1 always outputs high level, the second triode Q2 is always in a conduction state, and the rotating speed of the compressor is the highest. Therefore, the purpose of controlling the rotating speed of the compressor by the cold and warm knob is realized, and the purpose of stepless speed regulation is realized before the rotating speed of the compressor is 0 to the maximum rotating speed.

The invention provides an intelligent automobile cooling and heating adjusting system, wherein a switch circuit and a duty ratio adjusting circuit are arranged at the output end of an ignition switch, the duty ratio adjusting circuit is in signal connection with a cooling and heating adjusting knob, and the duty ratio adjusting circuit controls the on-off time of the current communicated by the switch circuit according to the rotation angle of the cooling and heating adjusting knob so as to control the cooling and heating adjusting proportion of an automobile air conditioner. The problem of current vehicle pass through the air damper size and carry out the changes in temperature regulation and have energy resource consumption big is solved, can reduce vehicle energy resource consumption, reduce vehicle emission.

The construction, features and functions of the present invention have been described in detail with reference to the embodiments shown in the drawings, but the present invention is not limited to the embodiments shown in the drawings, and all equivalent embodiments modified or modified by the spirit and scope of the present invention should be protected without departing from the spirit of the present invention.