阅读说明：本技术 一种轿车自动开门装置及其控制方法 (Automatic door opening device of car and control method thereof ) 是由 孟宪宇 余锡泉 南雨荷 张茂云 柳健 何勇 孙民新 曹国华 华文玉 姜磊 于 2021-09-15 设计创作，主要内容包括：本发明公开了一种轿车自动开门装置及其控制方法,包括开门机构、解锁机构及控制模块；所述开门机构包括小型电机,小型电机固定在轿车车门上,小型电机输出轴连接驱动机构,驱动机构与轿车门轴连接；所述解锁机构包括开锁电机,开锁电机通过连接件与轿车门锁连接,开锁电机驱动端用于驱动轿车门锁解锁；所述控制模块分别与小型电机及开锁电机控制连接。装置启动,控制模块首先启动解锁机构,控制模块向开锁电机发送指令,开锁电机启动,开锁电机输出端驱动轿车门锁打开；当轿车门锁开启后,控制模块启动开门机构,控制模块向小型电机发送指令,小型电机通过驱动机构带动门轴转动。本发明便于使用,提高车辆自动化程度和人们的驾驶体验。(The invention discloses an automatic door opening device of a car and a control method thereof, wherein the automatic door opening device comprises a door opening mechanism, an unlocking mechanism and a control module; the door opening mechanism comprises a small motor, the small motor is fixed on a car door, an output shaft of the small motor is connected with a driving mechanism, and the driving mechanism is connected with a car door shaft; the unlocking mechanism comprises an unlocking motor, the unlocking motor is connected with the car door lock through a connecting piece, and the driving end of the unlocking motor is used for driving the car door lock to unlock; and the control module is respectively in control connection with the small motor and the unlocking motor. The device is started, the control module firstly starts the unlocking mechanism, the control module sends an instruction to the unlocking motor, the unlocking motor is started, and the output end of the unlocking motor drives the car door lock to be opened; when the car door lock is opened, the control module starts the door opening mechanism, the control module sends an instruction to the small motor, and the small motor drives the door shaft to rotate through the driving mechanism. The invention is convenient to use, and improves the automation degree of the vehicle and the driving experience of people.)

1. An automatic door opening device of a car is characterized by comprising a door opening mechanism, an unlocking mechanism and a control module; the door opening mechanism comprises a small motor (5), the small motor (5) is fixed on a car door, an output shaft of the small motor (5) is connected with a driving mechanism, and the driving mechanism is connected with the car door; the unlocking mechanism comprises an unlocking motor (7), the unlocking motor (7) is connected with the car door lock (6) through a connecting piece (8), and the driving end of the unlocking motor (7) is used for driving the car door lock (6) to unlock; the control module is respectively in control connection with the small motor (5) and the unlocking motor (7).

2. The automatic door opening device of the car as claimed in claim 1, wherein the door opening mechanism further comprises a motor connecting seat (3), the small motor (5) is fixed on the motor connecting seat (3), and the motor connecting seat (3) is fixed on the car door through a bolt.

3. The automatic door opening device of the car as claimed in claim 2, wherein the driving mechanism connected with the output shaft of the small motor (5) comprises a gear (4), the gear (4) is fixed on the output shaft of the small motor (5), a rack (1) is fixed on the motor connecting seat (3), the rack (1) is in meshing transmission with the gear (4), and one end of the rack (1) is hinged with the car door shaft.

4. The automatic door opening device of the car as claimed in claim 1, wherein the car door lock (6) is provided with a threaded hole, one end of the connecting piece (8) is connected with the car door lock (6) through a bolt, and the other end of the connecting piece (8) is connected with the unlocking motor (7) through a bolt.

5. The automatic door opening device of a car as claimed in claim 1, further comprising a start switch electrically connected to said control module.

6. The automatic door opening device of a car as claimed in claim 1, wherein the control module is a single chip microcomputer.

7. The control method of an automatic door opener for a car according to claim 1, comprising:

the device is started, the control module firstly starts the unlocking mechanism, the control module sends an instruction to the unlocking motor (7), the unlocking motor (7) is started, and the output end of the unlocking motor (7) drives the car door lock (6) to be opened;

after the car door lock (6) is opened, the control module starts the door opening mechanism, the control module sends an instruction to the small motor (5), and the small motor (5) drives the door shaft to rotate through the driving mechanism.

Technical Field

The invention belongs to the technical field of vehicle automatic control, and particularly relates to an automatic door opening device of a car, which can realize automatic unlocking and opening of a forward opening type car door by pressing a door opening button, and has the advantages of rapid response and stable car door opening.

Background

With the continuous improvement of the economic level of China, the automobile holding amount is increasing day by day, people want to obtain the automatic and convenient experience while putting forward substantial requirements on the automobile, and therefore, the process of automatically unlocking and opening the door by controlling the forward-opening type automobile door through the door opening button is a living requirement of a user and a great industry requirement, and has practical research value.

In the current automotive market, the most automated door type is the side-sliding door, while the most widely used door in passenger cars is the front-opening door. The side sliding type vehicle door and the forward opening type vehicle door have essential difference in mechanical structure and door opening and closing movement, the side sliding type vehicle door does linear reciprocating movement, and the mechanical structure is simple; the forward opening type vehicle door swings greatly around a door shaft, and the mechanical structure is relatively complex. Therefore, the automatic door opening and closing structure of the side-sliding type vehicle door cannot be used for the forward-opening type vehicle door in the actual research process, and an automatic door opening device suitable for the forward-opening type vehicle door to operate is designed in an innovative mode, so that the functional automation requirement is met. The automobile door automation degree is found by looking up a large amount of data, and the research on the field of automatic door opening of the automobile forward opening type automobile door is not related.

Therefore, in order to improve the quality of life of people, satisfy the higher pursuit of life of people, and promote the development of the degree of automation of vehicles, it is necessary to design an automatic door opening device suitable for the operation of a front opening type vehicle door.

Disclosure of Invention

In order to solve the prior art convenient to use, improve vehicle degree of automation and people's driving experience. The invention provides an automatic door opener of a car and a control method thereof,

in order to achieve the above purpose, the present invention provides the following technical solutions, in combination with the accompanying drawings:

an automatic door opening device of a car comprises a door opening mechanism, an unlocking mechanism and a control module; the door opening mechanism comprises a small motor 5, the small motor 5 is fixed on a car door, the output shaft of the small motor 5 is connected with a driving mechanism, and the driving mechanism is connected with a car door shaft; the unlocking mechanism comprises an unlocking motor 7, the unlocking motor 7 is connected with the car door lock 6 through a connecting piece 8, and the driving end of the unlocking motor 7 is used for driving the car door lock 6 to unlock; and the control module is respectively in control connection with the small motor 5 and the unlocking motor 7.

Further, the door opening mechanism further comprises a motor connecting seat 3, a small motor 5 is fixed on the motor connecting seat 3, and the motor connecting seat 3 is fixed on a car door through a bolt.

Furthermore, the driving mechanism connected with the output shaft of the small motor 5 comprises a gear 4, the gear 4 is fixed on the output shaft of the small motor 5, a rack 1 is fixed on the motor connecting seat 3, the rack 1 is in meshing transmission with the gear 4, and one end of the rack 1 is hinged with the car door shaft.

Furthermore, a threaded hole is formed in the car door lock 6, one end of the connecting piece 8 is connected with the car door lock 6 through a bolt, and the other end of the connecting piece 8 is connected with the unlocking motor 7 through a bolt.

Furthermore, the device also comprises a starting switch, and the starting switch is electrically connected with the control module.

Further, the control module is a single chip microcomputer.

The invention also provides a control method of the automatic door opener of the car, which comprises the following steps:

the device is started, the control module firstly starts the unlocking mechanism, the control module sends an instruction to the unlocking motor 7, the unlocking motor 7 is started, and the output end of the unlocking motor 7 drives the car door lock 6 to be opened;

after the car door lock 6 is opened, the control module starts the door opening mechanism, the control module sends an instruction to the small motor 5, and the small motor 5 drives the door shaft to rotate through the driving mechanism.

Compared with the prior art, the invention has the beneficial effects that:

the control module sequentially controls the unlocking motor and the small motor to operate according to the sequence, so that the unlocking and door opening actions of the car door are sequentially controlled, the efficiency is high, and the response is sensitive; meanwhile, only when the unlocking of the car door lock is completed, the car door can be opened. In addition, the following advantages are provided:

(1) the unlocking motor is installed according to a specified position, the driving end of the unlocking motor is connected with the car door lock, the car door lock can be unlocked quickly by starting the unlocking motor, and then the car door is opened quickly, so that the purpose of sensitive reaction is realized.

(2) The single chip microcomputer is used as a control module to sequentially control the unlocking motor and the small motor in sequence, so that the single chip microcomputer is low in cost and suitable for large-scale production, and the purpose of convenience in installation is achieved.

(3) Through the door opening mechanism provided with the rack, the gear, the small motor, the motor connecting seat and the rack guide rail, the purpose of stably opening the door can be realized after the door opening button is quickly unlocked when being pressed down.

Drawings

FIG. 1 is a schematic structural view of the driving door opening mechanism in the automatic door opening device of a car according to the embodiment of the invention;

FIG. 2 is a schematic structural view of the unlocking mechanism in the automatic door opening device of a car according to the embodiment of the invention;

FIG. 3 is a schematic control flow chart of an automatic door opener for a car according to an embodiment of the present invention;

FIG. 4 is a frame diagram of a control system of an automatic door opening device for a car according to an embodiment of the present invention;

in the figure:

1. a rack; 2. a rack guide rail; 3. a motor connecting seat; 4. a gear; 5. a small-sized motor; 6. car door lock; 7. an unlocking motor; 8. a connecting member.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and all other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative efforts belong to the protection scope of the present invention.

An automatic door opening device of a car comprises a door opening mechanism, an unlocking mechanism and a control module; the door opening mechanism comprises a small motor 5, the small motor 5 is fixed on a car door, the output shaft of the small motor 5 is connected with a driving mechanism, and the driving mechanism is connected with a car door shaft; the unlocking mechanism comprises an unlocking motor 7, the unlocking motor 7 is connected with the car door lock 6 through a connecting piece 8, and the driving end of the unlocking motor 7 is used for driving the car door lock 6 to unlock; and the control module is respectively in control connection with the small motor 5 and the unlocking motor 7.

Further, the door opening mechanism further comprises a motor connecting seat 3, a small motor 5 is fixed on the motor connecting seat 3, and the motor connecting seat 3 is fixed on a car door through a bolt.

Furthermore, the driving mechanism connected with the output shaft of the small motor 5 comprises a gear 4, the gear 4 is fixed on the output shaft of the small motor 5, a rack 1 is fixed on the motor connecting seat 3, the rack 1 is in meshing transmission with the gear 4, and one end of the rack 1 is hinged with the car door shaft.

Furthermore, a threaded hole is formed in the car door lock 6, one end of the connecting piece 8 is connected with the car door lock 6 through a bolt, and the other end of the connecting piece 8 is connected with the unlocking motor 7 through a bolt.

Furthermore, the device also comprises a starting switch, and the starting switch is electrically connected with the control module.

Further, the control module is a single chip microcomputer.

A control method of an automatic door opener of a car comprises the following steps:

the device is started, the control module firstly starts the unlocking mechanism, the control module sends an instruction to the unlocking motor 7, the unlocking motor 7 is started, and the output end of the unlocking motor 7 drives the car door lock 6 to be opened;

after the car door lock 6 is opened, the control module starts the door opening mechanism, the control module sends an instruction to the small motor 5, and the small motor 5 drives the door shaft to rotate through the driving mechanism.

Examples

As shown in fig. 1 and 2, an automatic door opening device for a car comprises a starting switch, a door opening mechanism, an unlocking mechanism and a control module; the door opening mechanism comprises a rack 1, a rack guide rail 2, a motor connecting seat 3, a gear 4 and a small motor 5, wherein the small motor 5 is fixed on the motor connecting seat 3, the gear 4 is fixed on an output shaft of the small motor 5, the motor connecting seat 3 is fixed on a car door through a bolt, the rack 1 is fixed on the motor connecting seat 3, the rack 1 is in meshing transmission with the gear 4, and one end of the rack 1 is hinged with the car door shaft; the unlocking mechanism comprises a car door lock 6, an unlocking motor 7 and a connecting piece 8, wherein the car door lock 6 is assembled on a car door, the unlocking motor 7 is connected with the car door lock 6 through the connecting piece 8, and the driving end of the unlocking motor 7 is used for driving the car door lock 6 to unlock; the starting switch is electrically connected with the control module, and the control module is respectively in control connection with the small motor 5 and the unlocking motor 7.

The rack guide rail 2 plays a role in supporting and guiding, the small motor 5 plays a role in providing power, and the gear 4 and the rack 1 are in meshed transmission to play a role in providing power and transferring motion. The connecting piece 8 plays a role in determining the position of the unlocking motor 7, and the unlocking motor 7 controls the car door lock 6 to be opened.

The car door lock 6 is provided with a threaded hole, one end of the connecting piece 8 is connected with the car door lock 6 through a bolt, the other end of the connecting piece 8 is connected with the unlocking motor 7 through a bolt, and the threaded hole achieves the purposes of accurate positioning and convenience in installation.

The control module is a single chip microcomputer.

As shown in fig. 3 and 4, the working principle of the present invention is briefly described as follows:

when the car unlocking device is used, the starting switch is pressed, the control module firstly starts the unlocking mechanism, the control module sends an instruction to the unlocking motor 7, the unlocking motor 7 is started, the output end of the unlocking motor 7 drives the car door lock 6 to be unlocked, and the aim of replacing the traditional manual unlocking is fulfilled;

after the car door lock 6 is opened, the control module starts the door opening mechanism, the control module sends an instruction to the small motor 5, the small motor 5 drives the rack 1 to move through the gear 4, and the rack 1 drives the door shaft to rotate, so that the aim of pushing the car door open by manpower is fulfilled.