CN218728687U

CN218728687U - Vehicle-mounted refrigerator linkage control system

Info

Publication number: CN218728687U
Application number: CN202223065429.8U
Authority: CN
Inventors: 张天元; 赵锁平
Original assignee: Jiangsu Haobang Technology Co ltd
Current assignee: Jiangsu Haobang Technology Co ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-03-24
Anticipated expiration: 2032-11-18

Abstract

The utility model discloses a linkage control system of a vehicle-mounted refrigerator, which comprises a microprocessor, a motor Hall acquisition module, an ADC current acquisition module, a motor driving module, a door cover motor and a storage box motor; the input end of the motor driving module is connected with the microprocessor, and the output end of the motor driving module is respectively connected with the door cover motor and the storage box motor; the microprocessor is connected with the motor driving module through the ADC current acquisition module; the motor Hall acquisition module is connected with the microprocessor and used for acquiring the revolution of the door cover motor. The utility model provides high an on-vehicle refrigerator coordinated control system can realize that the linkage of refrigerator door closure and the inside storage tank of refrigerator is opened, reduces passenger's latency, promotes the experience sense that the user used.

Description

Vehicle-mounted refrigerator linkage control system

Technical Field

The utility model relates to an on-vehicle refrigerator coordinated control system.

Background

Currently, a vehicle-mounted refrigerator refers to a refrigerated cabinet that can be carried on an automobile. The vehicle-mounted refrigerator is a new generation of refrigeration and cold storage appliance popular in the international market in recent years. The vehicle-mounted refrigerator is mostly arranged on a luxury vehicle and is generally positioned behind a central armrest of a rear row of seats, and part of vehicle-mounted refrigerators in vehicle types are positioned below a central armrest of a front row. The existing vehicle-mounted refrigerator in the market mostly has a basic refrigeration function, a passenger needs to open the refrigerator by himself to take out articles in the refrigerator, the use is not convenient enough, and the user experience is poor.

Disclosure of Invention

The utility model aims to solve the technical problem that, overcome prior art not enough, improve an on-vehicle refrigerator coordinated control system, can realize that the linkage of refrigerator door closure and the inside storage tank of refrigerator is opened, reduce passenger's latency, promote the experience sense that the user used.

In order to solve the technical problem, the technical scheme of the utility model is that:

a linkage control system for a vehicle-mounted refrigerator comprises a microprocessor, a motor Hall acquisition module, an ADC current acquisition module, a motor driving module, a door cover motor and a storage box motor;

the input end of the motor driving module is connected with the microprocessor, and the output end of the motor driving module is respectively connected with the door cover motor and the storage box motor;

the microprocessor is connected with the motor driving module through the ADC current acquisition module;

the motor Hall acquisition module is connected with the microprocessor and used for acquiring the revolution of the door cover motor.

The system further comprises an ACC acquisition module, wherein the input end of the ACC acquisition module receives a battery voltage signal after the vehicle is ignited, and the output end of the ACC acquisition module is connected with the microprocessor.

The vehicle body control system further comprises an LIN communication module, wherein the input end of the LIN communication module receives vehicle body control signals, and the output end of the LIN communication module is connected with the microprocessor.

The refrigerator illumination driving module is characterized by further comprising a refrigerator illumination driving module, wherein the input end of the refrigerator illumination driving module is connected with the microprocessor, and the output end of the refrigerator illumination driving module is connected with refrigerator illumination.

Further, the power-on reset circuit also comprises a power-on reset switch, and the power-on reset switch is connected with the microprocessor.

And the system further comprises a DCDC power supply conversion module which is used for supplying power to the microprocessor and the refrigerator lighting driving module.

According to the technical scheme, the utility model discloses an automatic refrigerator door closure of opening of door closure motor and storage tank motor, thereby the revolution of gathering the door closure motor by motor hall collection module obtains the angle of opening of refrigerator door closure, opens the refrigerator door closure and stretches out the storage tank simultaneously after certain angle, realizes stretching out the storage tank simultaneously at the in-process that the refrigerator door closure was opened to reduce passenger's the time of getting the thing, improve passenger's experience and feel. Additionally, the utility model discloses an if meet the condition that external force blockked or blocked at the in-process of opening refrigerator door closure and storage tank, gather the motor current through ADC current acquisition module to turn-off motor.

Drawings

FIG. 1 is a schematic block diagram of a linkage control system for a vehicle-mounted refrigerator according to the present invention;

FIG. 2 is a schematic circuit diagram of a microprocessor according to the present invention;

fig. 3 is a schematic circuit diagram of the ACC acquisition module of the present invention;

fig. 4 is a schematic circuit diagram of the LIN communication module of the present invention;

fig. 5 is a schematic circuit diagram of the motor driving module and the motor hall acquisition module of the present invention;

fig. 6 is a schematic circuit diagram of the ADC current acquisition module of the present invention;

fig. 7 is a schematic circuit diagram of the lighting driving module of the refrigerator according to the present invention;

fig. 8 is a schematic circuit diagram of the power-on reset switch of the present invention;

fig. 9 is a schematic circuit diagram of the DCDC power conversion module of the present invention;

fig. 10 is a schematic structural view of the vehicle-mounted refrigerator of the present invention.

Detailed Description

In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.

As shown in fig. 1, the present embodiment provides a linkage control system for a vehicle-mounted refrigerator, which includes a microprocessor, a motor hall acquisition module, an ADC current acquisition module, a motor driving module, a door cover motor and a storage box motor. The vehicle-mounted refrigerator linkage control system is used in the vehicle-mounted refrigerator shown in fig. 10 and used for controlling the refrigerator door cover 1 and the storage box 2 to be automatically opened, the refrigerator door cover 1 of the vehicle-mounted refrigerator is opened through the door cover motor 3 through gear transmission, the storage box 2 is arranged in the refrigerator, articles can be placed in the storage box 2, in the opening process of the refrigerator door cover 1, meanwhile, the storage box motor 4 can drive the storage box 2 to stretch out outwards, the articles are taken by a passenger conveniently, and the waiting time for the passenger to take the articles is shortened.

As shown in fig. 2, the microprocessor U6 of the present embodiment uses an ARM microcontroller chip of the model STM32F103CBT6, and is powered by 3.3V.

As shown in fig. 1 and 3, the vehicle-mounted refrigerator linkage control system of the embodiment further includes an ACC acquisition module, an input end of the ACC acquisition module receives a battery voltage signal after the vehicle is ignited, an output end of the ACC acquisition module is connected with the microprocessor U6, the ACC acquisition module is used for detecting whether a key is ignited, and after the key is ignited, the vehicle-mounted battery can provide a 12V power supply.

As shown in fig. 1, the vehicle-mounted refrigerator coordinated control system of the present embodiment further includes an LIN communication module, an input end of the LIN communication module receives a vehicle body control signal, and an output end of the LIN communication module is connected to the microprocessor U6. The LIN communication module receives a refrigerator opening control command sent by the vehicle body control system and sends the refrigerator opening control command to the microprocessor U6. As shown in fig. 4, the LIN communication module of the present embodiment employs a communication chip U2, model number TJA1020T.

As shown in fig. 1, an input end of the motor driving module of this embodiment is connected to a microprocessor U6, and an output end of the motor driving module is connected to a door cover motor and a storage box motor, respectively. The motor Hall acquisition module of this embodiment links to each other with microprocessor U6, motor Hall acquisition module is used for gathering the revolution of door closure motor. As shown in fig. 5, the motor driving module adopts a driving chip U7 with a model of ULN2003G, and pins 10 to 13 of the driving chip U7 are multi-path driving pins for driving each motor. And 1-3 pins of the driving chip U7 are multi-path Hall acquisition pins and are connected with a Hall acquisition module. After receiving the control command of opening the refrigerator, the microprocessor U6 drives the door cover motor to rotate through the motor driving module, the door cover motor opens the refrigerator door cover, meanwhile, the motor Hall acquisition module acquires the revolution number of the door cover motor, and after the door cover motor rotates to the specified number of turns, the refrigerator door cover also opens the specified angle at the moment, and the specified angle can be set according to the size of the material object. Then, the drive storage tank motor rotates, and at the in-process that the refrigerator door closure was opened, stretches out the storage tank, can realize opening the in-process of refrigerator door closure, releases the storage tank simultaneously, makes things convenient for the passenger to get the thing, reduces passenger's latency.

As shown in fig. 1, the microprocessor U6 of the present embodiment is connected to the motor driving module through the ADC current collecting module. As shown in fig. 6, the ADC current collection module includes two current collection circuits, one of which adopts an operational amplifier chip U5, and the model is LM321. And the other path adopts an operational amplifier chip U10 with the model of LM358. The operational amplifier chip U5 is used for collecting the current of the door cover motor, and the operational amplifier chip U10 is used for collecting the current of the storage box motor. When the door cover and the storage box are blocked by external force or are blocked by foreign matters in the opening process, the current of the door cover motor and the current of the storage box motor are suddenly increased, and the microprocessor U6 controls the motor to be closed.

As shown in fig. 1, the vehicle-mounted refrigerator linkage control system of the embodiment further includes a refrigerator illumination driving module, an input end of the refrigerator illumination driving module is connected with the microprocessor U6, and an output end of the refrigerator illumination driving module is connected with refrigerator illumination. The refrigerator is internally provided with RGB (red, green and blue) colorful lamp beads for lighting, and the refrigerator lighting driving module turns on the RGB colorful lamp beads after the microprocessor U6 receives a control command for turning on the refrigerator. As shown in fig. 7, the lighting driving module of the refrigerator adopts an RGB driving chip U4, the RGB driving chip U4 adopts 5V power supply, and the lighting driving module is provided with three groups of RGB colorful lamp bead driving circuits.

As shown in fig. 1, the linkage control system for the vehicle-mounted refrigerator of the present embodiment further includes a power-on reset switch, and the power-on reset switch is connected to the microprocessor U6. As shown in fig. 8, the microprocessor U6 is reset at a low level, a reset network is formed by connecting a resistor R11 and a capacitor C10 in series, and since the voltage at the two ends of the capacitor cannot change suddenly, at the moment of powering on the circuit board, the reset pin NRST maintains a low level for a period of time, which plays a role of a low-level reset signal, and as the voltage of 3.3V is charged to the capacitor C10 through the resistor R11, the voltage at the two ends of the capacitor gradually rises to become a high level, the power-on reset signal is ended, and the microprocessor U6 normally operates.

As shown in fig. 1, the present embodiment further includes a DCDC power conversion module, and the DCDC power conversion module is configured to supply power to the microprocessor U6 and the refrigerator lighting driving module. As shown in fig. 9, the 12V power supply of the car body battery is converted into a 3.3V power supply through the power chip U1 to supply power to the microprocessor U6. The 12V power supply of the car body battery is converted into a 5V power supply through the power chip U8, and the power supply is used for supplying power for the refrigerator lighting driving module.

The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A vehicle-mounted refrigerator linkage control system is characterized by comprising a microprocessor, a motor Hall acquisition module, an ADC current acquisition module, a motor driving module, a door cover motor and a storage box motor;

2. The in-vehicle refrigerator linkage control system according to claim 1, characterized in that: the vehicle ignition system further comprises an ACC acquisition module, wherein the input end of the ACC acquisition module receives a battery voltage signal after the vehicle is ignited, and the output end of the ACC acquisition module is connected with the microprocessor.

3. The in-vehicle refrigerator linkage control system according to claim 1, characterized in that: the vehicle body control system further comprises an LIN communication module, wherein the input end of the LIN communication module receives vehicle body control signals, and the output end of the LIN communication module is connected with the microprocessor.

4. The in-vehicle refrigerator linkage control system according to claim 1, characterized in that: the refrigerator illumination driving module is characterized by further comprising a refrigerator illumination driving module, wherein the input end of the refrigerator illumination driving module is connected with the microprocessor, and the output end of the refrigerator illumination driving module is connected with the refrigerator illumination.

5. The in-vehicle refrigerator linkage control system according to claim 1, characterized in that: the power-on reset switch is connected with the microprocessor.

6. The in-vehicle refrigerator linkage control system according to claim 1, characterized in that: the refrigerator illumination driving module is used for supplying power to the microprocessor and the refrigerator illumination driving module.