CN115416594A

CN115416594A - Vehicle door system controlled through wireless network

Info

Publication number: CN115416594A
Application number: CN202210971922.1A
Authority: CN
Inventors: 王超; 苗云
Original assignee: Changchun Jetty Automotive Parts Co Ltd
Current assignee: Changchun Jetty Automotive Parts Co Ltd
Priority date: 2022-08-13
Filing date: 2022-08-13
Publication date: 2022-12-02
Also published as: WO2024037432A1

Abstract

The invention discloses a vehicle door system controlled by a wireless network, which comprises a main controller and a first electric load device which are arranged on one of a plurality of vehicle doors, and at least one sub-controller and at least one second electric load device which are arranged in the other vehicle doors, wherein the main controller is connected with the first electric load device, the sub-controller is connected with the at least one second electric load device, and the main controller performs data and signal transmission with the sub-controllers through the wireless network. The invention not only saves the wiring harness consumption in the automobile, but also avoids the wiring harness connection between the automobile door and the automobile body, prevents the wiring harness from being frequently bent and damaged, and reduces the risk of water leakage and electric leakage of the automobile door and the automobile body. The safety of the automobile is improved, the weight of the automobile body is reduced, and the production cost is reduced.

Description

Vehicle door system controlled through wireless network

Technical Field

The invention relates to the technical field of automobile electric appliances, in particular to a vehicle door system controlled through a wireless network.

Background

The automobile wire harness is a nervous system on an automobile, almost all electrical components need to be wired for power supply and signal transmission, and the number of loops and the number of branches of the automobile wire harness are gradually increased along with the increasing number of the electrical components on the automobile.

Inside there is multiple electrical apparatus the car door, realize a lot of functions, the power and the control signal of inside electrical apparatus of car all are from automobile body owner pencil transmission, because the car door is the switch that will be frequent, therefore automobile body owner pencil is connected and the protection through panel beating perforation and rubber hose with the door pencil, but at the long-time opening of door and closing in-process, the pencil between automobile body and the door and outside rubber hose all can wear and tear or even fracture, cause the inside electrical apparatus function failure of car door. In addition, although the threading sheet metal hole on automobile body and the door is sealed through the rubber part, still have the installation not in place or the ageing scheduling reason of rubber part, lead to threading sheet metal hole to leak for automobile body and the inside ponding of door influence navigating mate's comfortable experience, lead to even that automobile electrical apparatus damages.

In the prior part of patent technologies, the electric energy transmission between a vehicle body and a vehicle door is changed into electromagnetic coupling transmission, but the electric energy transmission mode has large power loss and wastes energy; the electromagnetic coupling transmits electric energy, and meanwhile, larger electromagnetic interference can be generated, so that part of electric appliances in the automobile can not work and be used normally.

Therefore, there is a need in the field of automotive electrical equipment for a door system of an electrical apparatus that can save the amount of wiring harnesses, prevent water leakage of a vehicle body or a door, and control the door safely and conveniently.

Disclosure of Invention

The invention aims to provide a novel technical scheme of a vehicle door system controlled through a wireless network. Through the main controller and the first electric load device arranged on one of the doors and the at least one sub-controller and the at least one second electric load device arranged in the other doors, the purpose of saving the connecting wire harness between the automobile body and the doors is achieved, and the weight of the automobile wire harness is reduced. Meanwhile, the wire harness does not need to be punched on the metal plate between the automobile body and the automobile door, and external water is prevented from entering the automobile body and the automobile door.

The invention provides a wireless control vehicle door system, which comprises a main controller and a first electric load device arranged on one of a plurality of vehicle doors, and at least one sub-controller and at least one second electric load device arranged in the other vehicle doors, wherein the main controller is connected with the first electric load device, the sub-controller is connected with the at least one second electric load device, and the main controller performs data and signal transmission with the sub-controllers through a wireless network.

Optionally, the sub-controller is electrically connected to the second electrical load device by a wire harness.

Optionally, the sub-controller is connected to the second electrical load device through a wireless network.

Optionally, the first and second electrical load devices each comprise one or more of a door lock module, a power window module, a sound module, a door light module, and a rearview mirror adjustment module.

Optionally, the main controller includes a wireless transmitting unit, the sub-controller includes a wireless receiving unit, an output end of the main controller is connected to the wireless transmitting unit and sends a control signal through a wireless network, and an input end of the sub-controller is connected to the wireless receiving unit and receives the control signal.

Optionally, the main controller includes a wireless receiving unit, the sub-controller includes a wireless transmitting unit, an output end of the sub-controller is connected to the wireless transmitting unit and sends the status information through a wireless network, and an input end of the main controller is connected to the wireless receiving unit and receives the status information.

Optionally, the wireless transmitting unit further includes an encryption module, the output ends of the main controller and the sub-controllers are connected to the wireless transmitting unit through the encryption module, and the encryption module encrypts the control signal or the state information; the wireless receiving unit comprises a decryption module, the input ends of the main controller and the sub-controllers are connected with the wireless receiving unit through the decryption module, and the decryption module decrypts the received control signal or the state information.

Optionally, the system further comprises a key, wherein a wireless transmitting unit is arranged in the key, and the wireless transmitting unit is connected with the sub-controllers through a wireless network.

Optionally, when the key and the master controller simultaneously send control signals through a wireless network, the sub-controller takes the control signal of the master controller as a reference.

Optionally, the sub-controller further includes a signal strength detection device, the signal strength detection device is connected to the wireless receiving unit of each vehicle door, the control signal of the key is received by the wireless receiving unit, transmitted to the sub-controller through the signal strength detection device, and then transmitted to the main controller through the wireless network by the sub-controller, and the main controller determines the position of the key.

Optionally, the system further comprises a mobile control terminal, the mobile control terminal is connected with the sub-controllers through a wireless network, and the sub-controllers feed back the state information to the mobile control terminal through the wireless network.

Optionally, when the mobile control terminal and the main controller simultaneously send a control signal, the sub-controller takes the control signal of the main controller as a reference.

Optionally, the vehicle door further comprises a battery, the battery is detachably mounted in each door, and the battery is electrically connected with the second electric load device and the sub-controller through the wiring harness and supplies electric energy to the second electric load device and the sub-controller.

Optionally, a battery installation cavity is arranged on the inner side of the vehicle door, and the battery installation cavity and the battery installation clamping mechanism can clamp the battery in the battery installation cavity; the car door inner side is further provided with an unlocking button, and the unlocking button can unlock the clamping mechanism to enable the battery to be taken out of the battery installation cavity.

Optionally, an electrode contact is arranged on the battery, an electrode elastic sheet is arranged at a corresponding position in the battery installation cavity, and when the battery is clamped in the battery installation cavity, the electrode contact contacts with the electrode elastic sheet and is electrically connected with the electrode elastic sheet.

Optionally, the battery is further provided with an electric quantity monitoring device, the electric quantity monitoring device can monitor the residual electric quantity of the battery, the electric quantity monitoring device is electrically connected with the battery and the sub-controller through a wire harness, and the residual electric quantity information of the battery is fed back to the sub-controller.

Optionally, the battery is further provided with an electric quantity display device, the electric quantity display device is arranged on the inner side of the vehicle door, and the electric quantity display device is electrically connected with the sub-controller and can display the residual electric quantity of the battery through a display interface.

Optionally, the battery still sets up electric quantity alarm device, electric quantity alarm device with divide the controller electricity to be connected, divide the controller to set up the alarm value of battery residual capacity, work as the residual capacity of battery is less than when the alarm value, divide the controller to pass through electric quantity display device sends alarm information, and/or, divide the controller to feed back alarm signal through wireless network to main control unit, by main control unit sends alarm information through vehicle display terminal.

Optionally, a battery charging device is further disposed in the vehicle body, and the battery is placed in the battery charging device and is charged.

Optionally, a wireless charging coil is disposed on the battery, and the wireless charging coil is electrically connected to the electrode contact.

Optionally, the batteries within each door are all identical.

The invention has the characteristics and advantages that:

1. through the main controller and the first electric load device arranged on one of the doors and the at least one sub-controller and the at least one second electric load device arranged in the other doors, the purpose of saving the connecting wire harness between the automobile body and the doors is achieved, and the weight of the automobile wire harness is reduced. Meanwhile, the wire harness does not need to be punched on the metal plate between the automobile body and the automobile door, and external water is prevented from entering the automobile body and the automobile door.

2. As the longer wiring harness does not need to penetrate through the metal plate through hole between the automobile body and the automobile door, the installation work is respectively completed in the automobile body and the automobile door, the wiring harness penetrating time of installation and maintenance workers is saved, and the production efficiency of automobile assembly and maintenance is improved.

3. The encryption module and the decryption module are used for processing the signals, so that the control signals are unique, and the misoperation of other vehicles caused by wireless transmission of the control signals of different automobiles is avoided.

4. A single battery is arranged in the vehicle door nearby, so that the number and the length of power supply wire bundles are reduced. Possess wireless charging and solar charging function simultaneously, can adopt multiple mode to charge to the battery, avoid causing the unable normal operating of car because the electric quantity of battery is low.

Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

FIG. 1 is a block diagram of one configuration of a wireless controlled vehicle door system of the present invention;

FIG. 2 is a block diagram of another configuration of the wireless-controlled vehicle door system of the present invention;

FIG. 3 is a block diagram of yet another configuration of the wireless-controlled door system of the present invention;

FIG. 4 is a schematic structural diagram of a signal strength detection device of a wireless-controlled vehicle door system according to the present invention;

FIG. 5 is a schematic diagram of a wireless rechargeable battery of the wireless controlled door system of the present invention;

FIG. 6 is a schematic view of another configuration of a wireless rechargeable battery of the wireless controlled vehicle door system of the present invention;

FIG. 7 is a block diagram of the remaining three door battery related devices of the wireless controlled door system of the present invention;

fig. 8 is a schematic structural view of a door battery related mounting device of the wireless controlled door system of the present invention.

The figures are labeled as follows:

1. a main controller; 2. a sub-controller; 3. a mobile control terminal; 4. a wire harness;

51. a door lock module; 52. a motorized window module; 53. a sound module; 54. a door light module;

55. a rearview mirror adjustment module;

6. a key; 61. a signal intensity detection device;

71. a wireless transmitting unit; 72. wireless receiving unit

81. An encryption module; 82. a decryption module;

10. a battery; 101. a wireless power receiving coil; 102. a wireless charging coil; 103. an electric quantity monitoring device; 104. an electric quantity display device; 105. an electric quantity alarm device; 106. a battery mounting cavity; 107. a clamping mechanism; 108. an unlock button; 109. an electrode contact; 110. an electrode spring.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values.

The invention provides a wireless control vehicle door system, which comprises a main controller 1 and a first electric load device arranged on one of a plurality of vehicle doors, and at least one sub-controller and at least one second electric load device arranged in the other vehicle doors, wherein the main controller 1 is connected with the first electric load device, the sub-controller 2 is connected with the second electric load device, and the main controller 1 and the sub-controller 2 perform data and signal transmission through a wireless network. In this embodiment, through the wireless network connection between the main controller 1 arranged in the vehicle body and the sub-controllers 2 arranged in the doors, the feedback of the control signal and the state information is performed on the electric load device, and the wiring harness 4 does not need to be threaded between the vehicle body and the doors, so that the using amount of the wiring harness 4 is saved, and the timeliness and the stability of the transmission of the control signal and the state information are also ensured. The main controller 1 includes a computing unit, which may include a Central Processing Unit (CPU), a Micro Control Unit (MCU), a Digital Signal Processor (DSP), an editable logic controller (PLC), a Field Programmable Gate Array (FPGA), and the like. Meanwhile, a human-computer interface is arranged on the instrument panel, a driver can operate the main controller 1 through the human-computer interface, the operation of the driver is converted into a control signal by the computing unit and is sent to the sub-controllers 2 through the wireless network, and the sub-controllers 2 can also send state information of the electric load devices in the vehicle door to the main controller 1 through the wireless network. The wireless network may be based on wireless communication technologies such as bluetooth, wifi, zigBee (ZigBee), internet of things (IOT), infrared, wireless home digital interface (WDHI), and so on.

In one embodiment, the sub-controller 2 is electrically connected to the second load device through a wire harness 4. In some application scenarios, the sub-controller 2 and the second load device are connected by a harness 4.

In one embodiment, the sub-controller 2 may also be provided with a computing unit, and may include a Central Processing Unit (CPU), a Micro Control Unit (MCU), a Digital Signal Processor (DSP), an editable logic controller (PLC), a Field Programmable Gate Array (FPGA), and the like. Divide controller 2 to be connected through pencil 4 with the inside electric load device of door, can be more stable quick transmit control signal to electric load device, door inner space is less, even use pencil 4 to connect, the length of 4 branches of pencil is also shorter, can not increase too many pencil 4 weight.

In addition, the sub-controller 2 has calculation and control functions, state monitoring and command information of partial functions of the second electric load device in the vehicle door can be directly calculated and judged by the sub-controller 2 without being transmitted to the main controller 1 through a wireless network for calculation and judgment, so that the calculation load of the main controller 1 is reduced, the signal transmission process is saved, and the second electric load device can be controlled more quickly, for example, the automatic locking function of a vehicle door lock of a vehicle and the like.

In one embodiment, the partial controller 2 is connected to the second electrical load device via a wireless network. In some application scenarios, the sub-controller 2 and the second electrical load device are connected via a wireless network, which may save the use of the wiring harness 4.

In one embodiment, as shown in fig. 1, the first and second electrical load devices each include one or more of a door lock module 51, a power window module 52, an audio module 53, a door light module 54, and a rearview mirror adjustment module 55. The car door has a plurality of electric appliance functions besides the function of protecting people in the car.

The door lock module 51, which is an electromechanical integrated safety device using an electronic circuit for controlling, an electromagnet, a micro motor and a lock body (or relay) as an actuating mechanism, is developed from mechanical to electrical, and can be classified into a push-button type electronic lock, a dial type electronic lock, an electronic key 6 type electronic lock, a touch type electronic lock and a biological characteristic type electronic lock.

The power window module 52, also called a window lifter module, is a device that drives a window lifter motor through a vehicle-mounted power supply to move a lifter up and down and drive window glass to move up and down, so as to achieve the purpose of automatically opening and closing a window. The electric window can make the driver or the passenger sit on the seat, and the door glass can be automatically lifted by the switch, so the electric window is simple and convenient to operate and is beneficial to driving safety.

The sound module 53, in the below of car door, can also set up sound module 53, also be the speaker, send audio signal through host computer and power amplifier on the panel board, give branch controller 2 through wireless network transmission by main control unit 1, give the speaker through pencil 4 transmission by branch controller 2 again, can form around stereo in the car is inside, make personnel in the car can enjoy stable and perfect tone quality, alleviate the withered and dry sense in driver and the passenger travel.

The door light module 54 is a light system installed on the door and the rear view mirror, and can be used as an auxiliary information of the turn signal, and also can provide some information of the door state, such as the opening and closing of the door lock of the automobile, by some set light color and flashing frequency.

The rearview mirror adjusting module 55 is installed at the installation position of the left and right rearview mirrors on the vehicle door, and is provided with a driving motor, so that the angle and the position of the left and right rearview mirrors can be adjusted through keys on the vehicle door, and therefore, the adjustment of the left and right rearview mirrors can be realized without getting off the vehicle and extending hands out of the vehicle. In addition, when the automobile is started or flameout, the left and right rearview mirrors can be automatically controlled to bounce and fold, so that the left and right rearview mirrors after parking are prevented from being scratched.

Can also set up many other functions in the door, and these functions are mostly realized through the drive of electronic part, consequently 4 quantity of pencil or more and more in the door use wireless network connection door and main control unit 1, can reduce 4 quantities of pencil, make things convenient for the maintenance and the change of door. The arrangement of the sub-controller 2 also makes the vehicle door more intelligent and can meet most of the requirements of the internet of vehicles.

In one embodiment, as shown in fig. 2, the main controller 1 includes a wireless transmitting unit 81, the sub-controller 2 includes a wireless receiving unit 82, an output terminal of the main controller 1 is connected to the wireless transmitting unit 81 and transmits a control signal through a wireless network, and an input terminal of the sub-controller 2 is connected to the wireless receiving unit 82 and receives the control signal.

The wireless transmitting unit 81 is capable of converting a control signal of the main controller 1 into a wireless transmission signal and transmitting the wireless transmission signal through a wireless transmitting antenna, for example, F05R is a small-size low-voltage micro-power wireless transmitting module. By adopting the SMT process, the sound meter has stable frequency and stable performance, and is particularly suitable for small-size wireless remote control and data transmission products powered by the battery 10. The wireless receiving unit 82 is generally divided into two types, i.e., a superregenerative receiving module and a superheterodyne receiving module, and may be further divided into a wireless receiving head (without decoding and outputting a pulse signal) and a wireless receiving board (with a decoding chip and outputting a TTL level signal) according to whether encoding and decoding are performed. The control signal of the main controller 1 is transmitted by the wireless transmitting unit 81, then received by the wireless receiving unit 82, converted into a control signal, transmitted to the sub-controller 2, and controlled by the sub-controller 2.

In one embodiment, as shown in fig. 2, the main controller 1 includes a wireless receiving unit 82, the sub-controller 2 includes a wireless transmitting unit 81, an output terminal of the sub-controller 2 is connected to the wireless transmitting unit 81 and transmits the status information through a wireless network, and an input terminal of the main controller 1 is connected to the wireless receiving unit 82 and receives the status information.

When the running state of the electric load device on the vehicle body changes, the state information needs to be fed back to the main controller 1, at the moment, the sub-controller 2 needs to be provided with the wireless transmitting unit 81, the sub-controller 2 can transmit the state information of the electric load device to the wireless transmitting unit 81, and then the state information is transmitted out through the wireless transmitting antenna by the wireless transmitting unit 81. The main controller 1 is provided with the wireless receiving unit 82, and after the wireless receiving unit 82 of the main controller 1 receives the signal sent by the wireless network, the signal is converted into the state information of the electric load device and is transmitted to the man-machine interface of the automobile, so that a driver can know the working state of the electric load device in each door at any time and can make corresponding feedback in time.

In one embodiment, as shown in fig. 2, the wireless transmitting unit 81 further includes an encryption module 91, the output ends of the main controller 1 and the sub-controllers 2 are connected with the wireless transmitting unit 81 through the encryption module 91, and the encryption module 91 encrypts the control signal or the status information; the wireless receiving unit 82 comprises a decryption module 92, the input ends of the main controller 1 and the sub-controllers 2 are connected with the wireless receiving unit 82 through the decryption module 92, and the decryption module 92 decrypts the received control signals or state information.

With the increasing development of vehicle informatization, the vehicle-mounted network is arranged and used on most automobiles, the signal interference among different vehicles is correspondingly increased, in order to prevent wireless control signals among different vehicles from misoperation of other vehicles, the signal transmission and reception of each vehicle are provided with corresponding encryption and decryption programs, and simultaneously, in order to prevent hackers from invading the vehicles, external signals cannot be accessed into the information transmission network of the vehicles. The encryption module 91 is to re-encode the control signal or the state information through a certain rule through an internal encoder, namely, a key, and then send out the encoded information through wireless transmission, so that even if other vehicles receive the wireless information, corresponding information cannot be identified due to the absence of the corresponding key, and meanwhile, the key can also carry an identification code, and if the identification code of the received information is inconsistent with the identification code of the other vehicles, the corresponding information cannot be identified. Only the information receiving device corresponding to the identification code, that is, the corresponding decryption module 92, decrypts the information using the corresponding rule, and transmits the decrypted information to the corresponding main controller 1 and sub-controller 2.

In one embodiment, as shown in fig. 2, the car further includes a key 6, a wireless transmitting unit 81 is disposed in the key 6, and the wireless transmitting unit 81 is connected to the sub-controller 2 through a wireless network.

The existing automobile can be provided with a plurality of keys 6 for opening and locking the automobile door, the existing automobile keys 6 have a remote control function, and the wireless transmitting unit 81 is arranged inside the automobile keys and can control the automobile door or other electric appliances through a wireless network.

Several functions of the vehicle key 6:

1. when a single door is opened and the vehicle needs to enter under certain chaotic conditions, the danger can be met by opening all the doors at once, and then the arrangement can be carried out to open the cab door once and open the whole door twice.

2. The window closing function after flameout, the key 6 of many cars at present all has been equipped with the window of closing after flameout, only need press the lock car button, then the door window will automatic closing. And some vehicle types can be realized only by pressing a locking button for a long time.

3. The trunk is automatically opened, some cars continuously press the trunk twice, and some cars continuously press a control button of the trunk for a long time, so that the trunk can be opened.

4. The remote control window opening is carried out, when a user needs to get on the vehicle in summer, the interior of the vehicle is muggy, remote control can be carried out, all windows of the vehicle are opened firstly, and therefore muggy air in the vehicle can be released when the vehicle does not run.

5. Car search in parking lots, pressing the lock button twice (or even more) in succession, the car will tell you where he is to go with a very harsh whistle and a flashing double flash, in order to find his car quickly in places where there are more cars. Or when the dark underground parking lot is in trouble or danger, the help can be sought in the mode.

The control signal of the automobile key 6 can be connected with the main controller 1 through a wireless network, the main controller 1 sends the control signal to each automobile door, the sub-controller 2 can be connected with the sub-controller 2 through the wireless network, the sub-controller 2 directly controls the action of an electric load device in the automobile door, corresponding functions are achieved, and the calculated amount of the main controller 1 can be reduced.

In one embodiment, when the key 6 and the master controller 1 simultaneously transmit the control signal through the wireless network, the slave controller 2 controls the control signal of the master controller 1. In the in-service use in-process, there is the driver to give down control signal through main control unit 1 inside the car, the outside other personnel of car hold key 6 simultaneously and send control signal, when the order that two control signal carried out is opposite, can lead to the unable action of electric load device or the action card pause appears, consequently when key 6 and main control unit 1 simultaneously through wireless network send control signal, sub-controller 2 takes main control unit 1's control signal as the standard, use driver's wish to give first place to, the security of car operation has been guaranteed.

In one embodiment, as shown in fig. 4, the sub-controller 2 further includes a signal strength detection device 61, the signal strength detection device 61 is connected to the wireless receiving unit 82 of each door, the control signal of the key 6 is received by the wireless receiving unit 82, transmitted to the sub-controller 2 through the signal strength detection device 61, transmitted to the main controller 1 through the wireless network by the sub-controller 2, and the main controller 1 determines the position of the key 6.

In some cases, the driver can leave the key 6 in the automobile, and most automobiles are provided with an automatic automobile locking device for a certain time after the automobile door is closed after flameout for safety, so that articles in the automobile can be prevented from being stolen. However, when the key 6 is left in the vehicle and the driver finds it after the vehicle is automatically locked, the vehicle door can be opened only by using the spare key 6, even by breaking the window and the like.

In order to prevent the above situation, the sub-controller 2 of the vehicle door is further provided with signal strength detection devices 61, the signal strength detection devices 61 in the four vehicle doors can receive the control signal of the key 6 through the wireless receiving unit 82, convert the signal strength of the key 6 into the position information of the key 6, transmit the position information of the key 6 to the main controller 1 through a wireless network, and judge whether the key 6 is in the vehicle or not through a calculation unit in the main controller 1 according to the signal strength of the key 6 detected by each signal strength detection device 61, if the vehicle is flamed out and the key 6 is in the vehicle, the vehicle cannot be automatically locked, and an alarm is given within a certain time after the vehicle doors are closed.

In one embodiment, as shown in fig. 2 and 3, the automobile further includes a mobile control terminal 7, the mobile control terminal 7 is connected to the sub-controller 2 through a wireless network, and the sub-controller 2 feeds back the status information to the mobile control terminal 7 through the wireless network.

The mobile control terminal 7 comprises a mobile phone, a tablet or a mobile notebook computer and the like, the mobile control terminal 7 can be connected to a wireless network of the automobile through wifi, bluetooth, a 4G network or a 5G network, and is wirelessly connected with the wireless transmitting unit 81 and the wireless receiving unit 82 of the sub-controller 2, so that state information sent by the sub-controller 2 can be received, even if a driver is not in the automobile, the driver can know information such as whether the automobile door is closed or not, whether the automobile glass is lifted or not through the mobile control terminal 7, and therefore some abnormal conditions can be processed in time. For example, when a parent forgets a child in the car, the child can be prevented from suffocating in the car by opening the window or opening the door in time through the mobile control terminal 7. For example, if an abnormal alarm of the automobile is received in a home, the state information of each door or window can be checked on the mobile phone to judge whether the alarm is false or not or the specific condition is the same. The mobile control terminal 7 can also transmit control signals to each automobile door through installed software to control partial functions, so that a driver can operate each automobile door without using the automobile.

In one embodiment, when the mobile control terminal 7 and the main controller 1 simultaneously transmit the control signal, the sub-controller 2 is subject to the control signal of the main controller 1. When the mobile control terminal 7 and the main controller 1 simultaneously send control signals, which also represents that people are operating in a cab in the automobile, the sub-controller 2 takes the control signals sent by the main controller 1 as the standard, and unexpected actions of the automobile caused by misoperation of the mobile control terminal 7 are avoided.

In one embodiment, as shown in fig. 2, the vehicle further includes a battery 10, the battery 10 is detachably mounted in each door, and the battery 10 is electrically connected to the electric load device and the sub-controller 2 through a wire harness 4 and supplies electric power to the electric load device and the sub-controller 2.

The car door sets up the side at the automobile body, and the electric load device in the door all needs the electric energy just can drive, if supply power through automobile power generation machine or storage battery, then still need draw forth a lot of power cords between automobile body and the door and be connected, causes the man-hour increase of installation, consequently, the electric load device in the door has set up battery 10 nearby to detachable installs in each door, with the change of convenient battery 10. The battery 10 is provided with the electric loading device and the sub-controller 2, and is connected to and supplies electric power to the electric loading device and the sub-controller through the wiring harness 4.

In addition, the door lock module 51, the power window module 52, the sound module 53 and the like in the door of the automobile may need to work after the automobile is turned off, for example, the door lock module 51 needs to be capable of opening and closing the door lock after the automobile is turned off, so that people can get on and get off the automobile conveniently, and therefore, a separate battery 109 needs to be arranged in the door of the automobile, so that the battery can control the electric load device in the door of the automobile after the automobile is turned off, and can be sent to the mobile control terminal 7 of a driver through a wireless network.

In one embodiment, as shown in fig. 8, a battery mounting cavity 106 is arranged on the inner side of the vehicle door, and a clamping mechanism 107 is arranged in the battery mounting cavity 106 and the battery 10, so that the battery 10 can be clamped in the battery mounting cavity 106; an unlocking button 108 is further arranged on the inner side of the vehicle door, and the unlocking button 108 can unlock the clamping mechanism 107, so that the battery 10 can be taken out of the battery mounting cavity 106.

The battery 10 is disposed near the electrical load device in the door, and a battery mounting cavity 106 is disposed at the inner side of the door, so that the battery 10 can be fixed in the battery mounting cavity 106 to supply power to the electrical load device in the door. In order to prevent the unstable power supply caused by the shaking of the battery 10, a latch mechanism 107 is provided in the battery mounting cavity 106 and on the battery 10, so that the battery 10 can be latched in the battery mounting cavity 106. As shown in fig. 8, the latch mechanism 107 includes a latch disposed on the battery 10, the latch is fixed on the side of the battery 10 by a hinge and can rotate around the hinge, and a spring is disposed between the latch and the battery 10 to keep the latch away from the battery 10. The side in the battery mounting cavity 106 is provided with a clamping groove, and when the battery 10 is inserted into the battery mounting cavity 106, the clamping jaws are clamped with the clamping grooves, so that the battery 10 can be stably fixed in the battery mounting cavity 106.

Because the electric quantity of the battery 10 is consumed in use, the battery 10 in the door needs to be replaced when a certain time comes, the battery 10 needs to be taken out of the battery mounting cavity 106 conveniently, the unlocking button 108 is arranged on the inner side of the door, the unlocking button 108 can be directly arranged on the side edge of the battery mounting cavity 106, and the battery 10 can be taken out of the battery mounting cavity 106 by pressing the clamping jaws of the clamping mechanism 107 to be separated from the clamping grooves. The unlocking button 108 may also be a key arranged on the inner side of the vehicle door, the key is connected with the ejection device, the key and the ejection device are connected through the wire harness 4, the ejection device is actuated by pressing the key, the ejection device can press the jaws of the clamping mechanism 107 to separate the jaws from the clamping groove, and the battery 10 can be taken out of the battery mounting cavity 106.

In one embodiment, as shown in fig. 8, the battery 10 is provided with an electrode contact 109, an electrode spring 110 is disposed at a corresponding position in the battery mounting cavity 106, and when the battery 10 is clamped in the battery mounting cavity 106, the electrode contact 109 contacts the electrode spring 110 and is electrically connected.

In order to connect the power supply of the battery 10 to the wiring harness 4 inside the door after the battery 10 is inserted into the battery mounting cavity 106, the bottom of the battery 10 is provided with electrode contacts 109, namely a positive electrode contact and a negative electrode contact, and the corresponding positions in the battery mounting cavity 106 are provided with electrode elastic pieces 110, namely a positive electrode elastic piece and a negative electrode elastic piece, which are made of elastic metal sheets, have certain elasticity, and can be stably connected with the electrode contacts 109 under the vibration condition. After the battery 10 is completely inserted into the battery mounting cavity 106, the electrode contact 109 is in contact with and electrically connected to the electrode spring 110, and power is supplied to the electric load device and the sub-controller 2 in the door through the wire harness 4 connected to the electrode spring 110.

In one embodiment, as shown in fig. 7, the battery 10 is further provided with a power monitoring device 103, the power monitoring device 103 can monitor the remaining power of the battery 10, and the power monitoring device 103 is electrically connected to the battery 10 and the sub-controller 2 through the wiring harness 4 and feeds back the information of the remaining power of the battery 10 to the sub-controller 2.

The battery 10 may be a dry battery 10 or a rechargeable battery 10, and the rechargeable battery 10 may be a lead-acid battery 10, a nickel-cadmium battery 10, a nickel-hydrogen battery 10, a lithium-ion battery 10, or the like. In order to enable the battery 10 to be reused, the rechargeable battery 10 is used in the present invention, and when the rechargeable battery 10 is used to a predetermined period, the power inside the battery 10 is consumed, so that the electric load device and the sub-controller 2 cannot be driven, and thus the remaining power in the battery 10 needs to be monitored frequently. The electric quantity monitoring device 103 is connected with the electrode of the battery 10, and the internal detection device can detect the voltage and current states of the battery 10, calculate the residual electric quantity of the battery 10 in a pre-stored calculation mode, and feed back the residual electric quantity information of the battery 10 to the sub-controller 2 through the wiring harness 4. The sub-controller 2 transmits the residual capacity information of the battery 10 to the main controller 1 through a wireless network, and the main controller 1 displays the residual capacity information on a man-machine interface, so that a driver can monitor the residual capacity of the battery 10 carried by each vehicle door in real time.

In one embodiment, as shown in fig. 7, the battery 10 is further provided with a power display device 104, the power display device 104 is disposed inside the vehicle door, and the power display device 104 is electrically connected to the sub-controller 2, and can display the remaining power of the battery 10 through a display interface.

The residual capacity information of the battery 10 can be checked in a man-machine interface, and a capacity display device 104 can be arranged on the battery 10, wherein the capacity display device 104 can be a liquid crystal screen or a nixie tube, and can directly display the residual capacity information of the battery 10 transmitted by the sub-controller 2, so that a driver can check the residual capacity information of the battery 10 when observing each vehicle door.

In one embodiment, as shown in fig. 7, the battery 10 is further provided with an electric quantity alarm device 105, the electric quantity alarm device 105 is electrically connected with the sub-controller 2, the sub-controller 2 sets an alarm value of the remaining electric quantity of the battery 10, when the remaining electric quantity of the battery 10 is lower than the alarm value, the sub-controller 2 sends out alarm information through a current display device, and/or the sub-controller 2 feeds back an alarm signal to the main controller 1 through a wireless network, and the main controller 1 sends out the alarm information through an automobile display terminal.

Whether the human-computer interface or the power display device 104 is used for displaying the remaining power information of the battery 10, if the driver does not notice that the remaining power information of the battery 10 is lower than the threshold value, the electric load device or the sub-controller 2 may stop working due to power shortage, control failure of a door or a window and the like may occur in the running process of the vehicle, the operation of the driver may be affected, and an erroneous judgment may be made. Therefore, the battery 10 is further provided with a power alarm 105, the power alarm 105 is connected to the sub-controller 2 through the wire harness 4, and a threshold value of the remaining power information of the battery 10, that is, an alarm value is set in the sub-controller 2. If the remaining capacity of the battery 10 is lower than the alarm value, it is necessary to prompt the driver to charge the battery 10 in time or to replace the charged battery 10. The information for the electric quantity alarm device 105 to give an alarm includes, but is not limited to, highlighting or flashing part of the display content, whistling or voice prompting.

In one embodiment, a battery charging device (not shown) is further provided in the vehicle body, and the battery 10 is placed in the battery charging device and charged.

When the residual capacity of the battery 10 in the door is lower than the alarm value, the battery 10 is not necessarily charged with time, so that a battery charging device can be arranged in a trunk or other positions of the automobile, the battery 10 placed in the battery charging device can be charged through a generator in the running state of the automobile, when the residual capacity of the battery 10 in the door is lower than the alarm value, the charged standby battery 10 in the battery charging device can be taken out and replaced in time, and the use of the electric load device or the sub-controller 2 in the door cannot be delayed.

In one embodiment, as shown in fig. 5, a wireless charging coil 102 is disposed on the battery 10, and the wireless charging coil 102 is electrically connected to the electrode contact 109.

The wireless power receiving coil 101 may be disposed at a side of the battery 10 and connected to an electrode of the battery 10 for wirelessly charging the battery 10. The wireless power receiving coil 101 may wirelessly charge the battery 10 based on a wireless charging method such as electromagnetic induction coupling or magnetic resonance coupling.

The electromagnetic induction coupling means that when the wireless charging coil 102 approaches the wireless power receiving coil 101, the energy signal emitted from the wireless charging coil 102 is coupled to the wireless power receiving coil 101 in an electromagnetic induction manner and is provided to the battery 10.

The magnetic resonance coupling means that a power transmission side resonance capacitor connected with the wireless charging coil 102 in series is arranged in the wireless charging coil 102, so that a power transmission side LC resonance circuit is formed; a power receiving side resonant capacitor connected in series with the wireless power receiving coil 101 is arranged in the wireless power receiving coil 101, so that a power receiving side LC resonant circuit is formed; and the power transmission-side LC resonance circuit and the power reception-side LC resonance circuit have the same resonance frequency. When the wireless charging coil 102 is powered on, the LC resonance circuit on the power transmission side can generate a high-frequency vibration magnetic field; the magnetic field and the electric field at any time at any position in the high-frequency vibration magnetic field are in an orthogonal relation, the phase difference is 1/2 pi, the magnetic field intensity is far higher than the electric field intensity, the space electromagnetic field can store energy, the power flow density of the combined electromagnetic wave is zero, and no energy is transmitted, namely the field cannot radiate outwards and cannot be lost inwards. When the wireless charging coil 102 approaches the wireless power receiving coil 101, the wireless power receiving coil 101 may fall into the range of high-frequency vibration magnetic field, and since the power receiving side LC resonant circuit has the same resonant frequency as the power transmitting side LC resonant circuit, the power receiving side LC resonant circuit will generate resonance of same-frequency magnetic field, so that energy is coupled from the wireless charging coil 102 to the wireless power receiving coil 101 in the form of magnetic resonance and provided to the battery 10.

In one embodiment, the batteries 10 within each door are all identical. In order to make the batteries 10 in the doors interchangeable, all the batteries 10 may be set to be the batteries 10 of the same specification and the same model, all the batteries 10 can be charged in the battery 10 charging device, and when the remaining capacity of the battery 10 in a certain door is lower than the alarm value, the charged battery 10 may be directly replaced without checking the size and the model of the battery 10.

Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications can be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims

1. A vehicle door system controlled through a wireless network is characterized by comprising a main controller and a first electric load device which are arranged on one of a plurality of vehicle doors, and at least one sub-controller and at least one second electric load device which are arranged in the other vehicle doors, wherein the main controller is connected with the first electric load device, the sub-controller is connected with the at least one second electric load device, and the main controller performs data and signal transmission with the sub-controllers through the wireless network.

2. The wireless network controlled vehicle door system according to claim 1, wherein the sub-controller is electrically connected to the second electrical loading device through a wire harness.

3. The wireless network controlled door system of claim 1, wherein the sub-controller is connected to the second electrical load device via a wireless network.

4. The wireless network controlled door system of claim 1, wherein the first and second electrical load devices each comprise one or more of a door lock module, a power window module, an audio module, a door light module, and a rearview mirror adjustment module.

5. The door system controlled by the wireless network according to claim 1, wherein the main controller includes a wireless transmitting unit, the sub-controller includes a wireless receiving unit, an output end of the main controller is connected with the wireless transmitting unit and transmits a control signal through the wireless network, and an input end of the sub-controller is connected with the wireless receiving unit and receives the control signal.

6. The door system controlled by the wireless network according to claim 1, wherein the main controller includes a wireless receiving unit, the sub-controller includes a wireless transmitting unit, an output end of the sub-controller is connected with the wireless transmitting unit and transmits the status information through the wireless network, and an input end of the main controller is connected with the wireless receiving unit and receives the status information.

7. The door system controlled by the wireless network according to any one of claims 5 or 6, wherein the wireless transmitting unit further comprises an encryption module, the output ends of the main controller and the sub-controllers are connected with the wireless transmitting unit through the encryption module, and the encryption module encrypts the control signal or the state information; the wireless receiving unit comprises a decryption module, the input ends of the main controller and the sub-controllers are connected with the wireless receiving unit through the decryption module, and the decryption module decrypts the received control signal or the state information.

8. The door system controlled by the wireless network according to claim 1, further comprising a key, wherein a wireless transmitting unit is arranged in the key, and the wireless transmitting unit is connected with the sub-controller through the wireless network.

9. The door system controlled by the wireless network according to claim 8, wherein the sub-controller is based on the control signal of the main controller when the key and the main controller simultaneously transmit the control signal through the wireless network.

10. The door system according to claim 8, wherein the sub-controller further comprises a signal strength detector connected to the wireless receiver of each door, the control signal of the key is received by the wireless receiver, transmitted to the sub-controller through the signal strength detector, and then transmitted to the main controller through a wireless network, and the main controller determines the position of the key.

11. The vehicle door system controlled by the wireless network according to claim 1, further comprising a mobile control terminal, wherein the mobile control terminal is connected with the sub-controller through the wireless network, and the sub-controller feeds back the state information to the mobile control terminal through the wireless network.

12. The system of claim 11, wherein the sub-controllers are based on the control signal of the main controller when the mobile control terminal and the main controller simultaneously transmit the control signal.

13. The wireless network controlled door system of claim 1, further comprising a battery removably mounted in each of the doors, the battery being electrically connected to the first electrical load device, the second electrical load device, and the sub-controller via the wiring harness and providing electrical power to the first electrical load device, the second electrical load device, and the sub-controller.

14. The vehicle door system controlled by the wireless network according to claim 13, wherein a battery installation cavity is arranged at the inner side of the vehicle door, and the battery installation cavity and the battery are provided with a clamping mechanism which can clamp the battery in the battery installation cavity; the car door inner side is further provided with an unlocking button, and the unlocking button can unlock the clamping mechanism to enable the battery to be taken out of the battery installation cavity.

15. The door system of claim 14, wherein the battery has an electrode contact, and the battery mounting cavity has an electrode spring at a corresponding position, and when the battery is engaged with the battery mounting cavity, the electrode contact contacts the electrode spring and is electrically connected to the electrode spring.

16. The door system controlled by the wireless network according to claim 13, wherein the battery is further provided with a power monitoring device, the power monitoring device can monitor the remaining power of the battery, the power monitoring device is electrically connected with the battery and the sub-controller through a wire harness, and feeds back the remaining power information of the battery to the sub-controller.

17. The door system controlled by the wireless network according to claim 16, wherein the battery is further provided with a power display device, the power display device is arranged on the inner side of the door, and the power display device is electrically connected with the sub-controller and can display the residual power of the battery through a display interface.

18. The door system controlled by the wireless network according to claim 17, wherein the battery is further provided with an electric quantity alarm device, the electric quantity alarm device is electrically connected with the sub-controller, the sub-controller sets an alarm value of the remaining electric quantity of the battery, when the remaining electric quantity of the battery is lower than the alarm value, the sub-controller sends alarm information through the electric quantity display device, and/or the sub-controller feeds back an alarm signal to the main controller through the wireless network, and the main controller sends the alarm information through the automobile display terminal.

19. The door system of claim 13, further comprising a battery charging device disposed in the body, wherein the battery is placed in the battery charging device and charged.

20. The door system of claim 15, wherein a wireless charging coil is disposed on the battery, the wireless charging coil being electrically connected to the electrode contact.

21. A door system according to any of claims 13 to 20, wherein the batteries within each door are all identical.