CN105843111A - Remote control system and method for automobile - Google Patents

Remote control system and method for automobile Download PDF

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Publication number
CN105843111A
CN105843111A CN201610066040.5A CN201610066040A CN105843111A CN 105843111 A CN105843111 A CN 105843111A CN 201610066040 A CN201610066040 A CN 201610066040A CN 105843111 A CN105843111 A CN 105843111A
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CN
China
Prior art keywords
automobile
modem
control unit
remote control
central control
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610066040.5A
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Chinese (zh)
Inventor
暴学亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Leauto Intelligent Technology Beijing Co Ltd
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Leauto Intelligent Technology Beijing Co Ltd
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Publication date
Application filed by Leauto Intelligent Technology Beijing Co Ltd filed Critical Leauto Intelligent Technology Beijing Co Ltd
Priority to CN201610066040.5A priority Critical patent/CN105843111A/en
Publication of CN105843111A publication Critical patent/CN105843111A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Selective Calling Equipment (AREA)

Abstract

The invention provides a remote control system and method for an automobile. When an in-vehicle infotainment (IVI) system of an automobile is in an off state, a central control unit in the system is used for generating a network connection AT command and parsing a remote control command received by a modem; the modem is used for generating a network connection request according to the network connection AT command generated by the central control unit, transmitting the network connection request to a network server, receiving a network connection response from the network server, establishing a network connection with the network server, and receiving a remote control command from the network server via the network connection; and an electronic control unit (ECU) is used for executing the remote control command received by the modem and parsed by the central control unit. The invention is capable of remote control of the automobile through the central control unit, the modem and the ECU when the IVI system is turned off, thereby greatly reducing the power consumption, and is low in cost and high in reliability.

Description

The tele-control system of a kind of automobile and method
Technical field
The present invention relates to automotive field, particularly relate to tele-control system and the method for a kind of automobile.
Background technology
Along with the intelligent development of automobile, remotely control during automobile becomes intellectuality indispensable A few function.In currently existing scheme, the on-vehicle information of automobile is usually utilized to entertain system System (IVI) remotely controls.Vehicle-mounted information and entertainment system passes through modem (Modem) After online connects remote control service device, remote control commands can be received and be transmitted to driving electricity Brain performs.But, after vehicle-mounted information and entertainment system shutdown, cannot proceed remotely to control ?.In order to ensure the promptness that control instruction responds, when, after engine misses, on-vehicle information is given pleasure to Music system needs to be constantly in open state, so can be greatly increased power consumption, it is easy to cause Storage battery feeds.
Furthermore it is ensured that the safety that vehicle remote controls is the most particularly important.But currently existing scheme As use the mode of note or http to send remote control commands, these modes are all to send out in plain text Sending mode, there is the biggest problem in safety.
To sum up, for current vehicle remote control technology, automobile storage battery power consumption big and There is the biggest problem in safety, it is therefore desirable to proposes one and be at vehicle-mounted information and entertainment system The automobile remote control system of the low-power consumption that still can remotely control under closed mode.
Summary of the invention
Embodiments of the invention provide a kind of tele-control system and the method for automobile, at automobile Under the state that vehicle entertainment system is closed, realize automobile by the central control unit of low-power consumption Remotely controlling, low cost, reliability are high.
The present invention provides the tele-control system of a kind of automobile, in the car entertainment system of described automobile System is closed down, and described system includes: central control unit, modem and row Car computer, wherein: described central control unit, is used for generating online and connects AT order and resolve The remote control commands that described modem receives;Described modem, for according to institute The online connection AT order generation online connection request stating central control unit generation issues network Server, and receive the online connection response of the described webserver, set up and take with described network Network between business device connects;And connect the remote of the described webserver of reception by described network Process control instructs;Described car running computer, for performing the described of described central control unit parsing The remote control commands that modem receives.
Preferably, described modem connects described central control unit by UART interface.
Preferably, described central control unit includes: signal generating unit, is used for generating online and connects AT order;Receive unit, for receiving the remote control commands that described modem forwards; Decryption unit, for deciphering the remote control commands that described reception unit receives;Resolution unit, Remote control commands after resolving the deciphering of described decryption unit.
Preferably, the form of the remote control commands that described modem receives is HTTPS association View form.Connect it is further preferred that described network is connected as HTTPS.The most preferred , described central control unit is specifically for being sent to the essential information of automobile by AT order Described modem, described modem is specifically for being transmitted to the essential information of automobile The webserver, the webserver is specifically for setting up one according to the essential information of the automobile received Individual data base, to deposit the corresponding relation of HTTPS connection and automobile, the basic letter of described automobile Breath comprises unique identifier and the state of automobile.
Preferably, the form of the remote control commands that described modem receives is TCP+SSL Protocol format.Connect it is further preferred that described network is connected as TCP+SSL.Further Preferably, described central control unit is specifically for sending out the essential information of automobile by AT order Giving described modem, described modem is specifically for turning the essential information of automobile Issuing the webserver, the webserver is specifically for building according to the essential information of the automobile received A vertical data base, to deposit the corresponding relation of TCP+SSL connection and automobile, described automobile Essential information comprises unique identifier and the state of automobile.
Preferably, described AT order is also encrypted by described central control unit.
Preferably, described central control unit also includes: detector unit, is used for detecting automobile shape State;Alarm unit, is used for when the described vehicle condition that described detector unit detects is for exception, Generate alarm signal;Described modem is additionally operable to described alarm signal is sent to described net Network server.
Preferably, described network is connected as wireless network connection and/or mobile network connects.
The present invention also provides for the long-range control method of a kind of corresponding automobile, at the car of described automobile Carrying entertainment systems to be closed down, described method includes: the central authorities of described automobile control single Unit generates online and connects AT order and resolve remote control commands;The modem of described automobile The online generated according to described central control unit connects AT order generation online connection request and sends out To the webserver, and receive the online connection response of the described webserver, set up with described Network between the webserver connects;And connect the described network service of reception by described network The remote control commands of device;The car running computer of described automobile performs described central control unit and resolves Described modem receive remote control commands.
The tele-control system of a kind of automobile that the embodiment of the present invention provides and method, work as electromotor After Xi Huo, vehicle-mounted information and entertainment system can be closed, be not connected to remote control network by it, But it is connected to remote control network by the most individually central control unit and modem Receive remote control commands, resolved remote control commands by central control unit subsequently and give driving Computer performs the long-range control to automobile, owing to making without using vehicle-mounted information and entertainment system Connect network with lower powered central control unit, it is possible to be substantially reduced power consumption, become This is low, reliability is high.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the tele-control system of the automobile of the embodiment of the present invention;
Fig. 2 is the flow chart of the long-range control method of the automobile of the embodiment of the present invention.
Detailed description of the invention
Tele-control system and the method for automobile a kind of to the embodiment of the present invention is entered below in conjunction with the accompanying drawings Row describes in detail.
The inventive concept of the embodiment of the present invention is: in order to the vehicle-mounted information and entertainment system at automobile closes In the case of machine, also can remotely control, add the central control unit of a low-power consumption Process remote control commands.
Fig. 1 shows the structured flowchart of the tele-control system of the automobile of the embodiment of the present invention.
With reference to Fig. 1, the embodiment of the present invention is closed in the vehicle entertainment system 15 of automobile Under, the tele-control system 16 of automobile includes: central control unit 11, modem (Modem) 12 and car running computer (Electronic Control Unit, ECU) 13, wherein:
Central control unit 11 is used for generating online and connects AT order and resolve modem 12 The remote control commands received.Central control unit 11 can be the low-power consumption of such as single-chip microcomputer IC chip, due to the advantage that single chip computer architecture is simple, modularity, reliability are high, in Centre control unit 11 preferably employs single-chip microcomputer, and single-chip microcomputer can use universal, tailored version, total Line style/non-bus type and industry control type/home appliance type etc..
Modem 12 connects AT order for the online generated according to central control unit 11 Generate online connection request and issue the webserver 14, and receive the online of the webserver 14 even Connect response, set up and be connected with the network between the webserver 14;And connect by this network Receive the remote control commands of the webserver 14.Modem 12 can be built-in, outer Put formula, PCMCIA card insert type, rack etc..AT orders every and starts with letter " AT " Order, AT heel letter and number represents concrete function, different model or the modulatedemodulate of the trade mark Adjusting the AT order of device incomplete same, needs are according to actually used correct setting.
Car running computer 13, the modem 12 resolved for performing central control unit 11 connects The remote control commands received.Car running computer 13 can be tradition car running computer, it is also possible to be intelligence Car running computer etc..
In said system, first remote control commands is resolved by central control unit 11, sentences The implication (such as opening air-conditioning etc.) of disconnected control instruction, and verify the legitimacy of sender, if It is verified, sends remote control commands to car running computer 13, car running computer by CAN 13 perform corresponding order.
Said system is owing to employing the central control unit (MCU) of a single low-power consumption Automobile is remotely controlled, it is not necessary to use the vehicle entertainment system of automobile, therefore can be significantly Reduce power consumption.
According to a preferred embodiment of the invention, in Fig. 1, it is total that modem is provided simultaneously with general serial Line (Universal Serial Bus, USB)/shared drive (Share Memory, SM) and general Asynchronous receiving-transmitting transmission (Universal Asynchronous Receiver/Transmitter, UART) connects During mouth, modem will connect vehicle-mounted information and entertainment system (In-Vehicle by USB/SM interface Infotainment, IVI) 15, connect central control unit 11 by UART interface simultaneously.Car Carry information entertainment under open state, network access can be carried out, make a phone call, send short messages Deng.Owing to UART can only carry out the transmission of relatively small data quantity, just it is suitable for central control unit (now Modem needs have support and sets up TCP/HTTPS to carry out the transmission of remote control commands Connect, configure the AT order of SSL etc., in order to central control unit only passes through UART interface Transmitting-receiving AT order, it is possible to receive control instruction by network, it is advantageous in that without inciting somebody to action ICP/IP protocol stack, SSL, PPP driver etc. are transplanted to central control unit, and development difficulty is bright Aobvious reduction).
According to a preferred embodiment of the invention, in Fig. 1, central control unit 11 includes: generate Unit, is used for generating online and connects AT order;Receive unit, for receiving modem 12 remote control commands forwarded;Decryption unit, receives, for deciphering, the long-range control that unit receives System instruction;Resolution unit, the remote control commands after resolving decryption unit deciphering.
According to a preferred embodiment of the invention, in order to ensure the safety of remote control commands, need Control instruction is encrypted.Therefore, the remote control commands that modem 12 receives Form is HTTPS agreement (can also TCP+SSL agreement) form.HTTPS full name is Hyper Text Transfer Protocol over Secure Socket Layer, with safety as target HTTP passage, by cipher mode transmission remote control commands such as HTTPS agreements, it is possible to aobvious Write and strengthen the safety that vehicle remote controls.
Accordingly, vapour corresponding to remote control commands can be found easily for the webserver Car, the network between modem 12 with the webserver 14 is connected as HTTPS and is connected, And keep this long connection (can regularly send heartbeat packet to keep this to connect).So, By AT order, by the essential information of automobile, (unique such as automobile identifies central control unit 11 Code, state etc.) it is sent to modem 12, modem 12 is again by the basic letter of automobile Breath is by HTTPS protocol forward to the webserver 14, and on the webserver 14, basis receives The essential information of automobile can set up a data stock and put HTTPS and connect corresponding with automobile Relation, after the webserver 14 receives the remote control commands of HTTPS protocol format, passes through Inquiry data base, it is possible to find the automobile that remote control commands is corresponding easily, thus will be remote Process control instruction is forwarded to the modem 12 of corresponding automobile, and central control unit 11 passes through AT order reads this remote control commands from modem 12.
According to a preferred embodiment of the invention, central control unit 11 also includes: detector unit, For detecting vehicle condition;Alarm unit, is different for the vehicle condition detected when detector unit Chang Shi, generates alarm signal;Modem 12 is additionally operable to above-mentioned alarm signal is sent to net Network server 14., once there is meaning in the current state of central control unit 11 regular check automobile Outer situation (such as car door is pried open), notifies immediately to the webserver 14.Vehicle condition Exception can include that instrument is abnormal, braking is abnormal, oil consumption is abnormal, user vehicle knows vapour The inspection that can take measures in time according to practical situation after car is abnormal is fixed a breakdown, thus stops peace Full hidden danger.
According to a preferred embodiment of the invention, in order to ensure remote control commands is quickly rung Should, it can be wireless network that the network between modem 12 with the webserver 14 is connected Connect and/or mobile network's (such as 3G/4G network) connects.
The tele-control system of the automobile that the embodiment of the present invention provides, by single central authorities Control unit processes remote control commands, when after engine misses, it is not necessary to on-vehicle information is given pleasure to Music system is constantly in open state, it is possible to be substantially reduced power consumption.Additionally, pass through HTTPS The cipher modes such as agreement send remote control commands, it is possible to the notable peace strengthening vehicle remote control Quan Xing.
The another aspect of the embodiment of the present invention, it is provided that the operation of a kind of above-mentioned tele-control system Method.Fig. 2 is the flow chart of the long-range control method of the automobile of the embodiment of the present invention.
With reference to Fig. 2, in step S21, the vehicle entertainment system 15 at automobile is closed Under, the central control unit 11 of automobile generates online and connects AT order.
Step S22, the online that the modem 12 of automobile generates according to central control unit 11 Connect AT order generation online connection request and issue the webserver 14, and receive network service The online connection response of device 14, sets up and is connected with the network between the webserver 14.
Step S23, the modem 12 of automobile connects reception network by the network set up The remote control commands of server 14.
Step S24, the central control unit 11 of automobile resolves the long-range of modem 12 reception Control instruction.
Step S25, the car running computer 13 of automobile performs the long-range control that central control unit 11 resolves System instruction.
Automobile is remotely controlled by said method, it is not necessary to use the vehicle entertainment system of automobile, Therefore power consumption can be substantially reduced.
According to a preferred embodiment of the invention, in said method, modem 12 can pass through UART interface connects central control unit 11, connects vehicle-mounted letter by USB/SM interface simultaneously Breath entertainment systems 15.
According to a preferred embodiment of the invention, in said method, in order to ensure remote control commands Safety, the form of remote control commands that modem 12 receives can be HTTPS (TCP+SSL) protocol format, accordingly, modem 12 and the webserver 14 it Between network be connected as HTTPS (TCP+SSL) connect.Further, central control unit 11 pairs of AT orders can also be encrypted.
According to a preferred embodiment of the invention, said method can also carry out following process further: Central control unit 11 timing detects the current state of automobile, fortuitous event once occurs (such as Car door is pried open), it is immediately generated alarm signal, alarm signal is sent by modem 12 To the webserver 14.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is also Being not limited to this, any those familiar with the art is at the technology model that the invention discloses In enclosing, change can be readily occurred in or replace, all should contain within protection scope of the present invention. Therefore, protection scope of the present invention should be as the criterion with described scope of the claims.

Claims (20)

1. the tele-control system of an automobile, it is characterised in that in the vehicle-mounted joy of described automobile Music system is closed down, and described system includes: central control unit, modem And car running computer, wherein:
Described central control unit, is used for generating online and connects AT order and resolve described modulatedemodulate Adjust the remote control commands that device receives;
Described modem, connects AT for the online generated according to described central control unit Order generates online connection request and issues the webserver, and receives the upper of the described webserver Net connection response, sets up and is connected with the network between the described webserver;And by described net Network connects the remote control commands receiving the described webserver;
Described car running computer, for performing the described modulation /demodulation that described central control unit resolves The remote control commands that device receives.
System the most according to claim 1, it is characterised in that: described modem leads to Cross UART interface and connect described central control unit.
System the most according to claim 2, it is characterised in that: described central control unit Including:
Signal generating unit, is used for generating online and connects AT order;
Receive unit, for receiving the remote control commands that described modem forwards;
Decryption unit, for deciphering the remote control commands that described reception unit receives;
Resolution unit, the remote control commands after resolving the deciphering of described decryption unit.
System the most according to claim 3, it is characterised in that: described modem connects The form of the remote control commands received is HTTPS protocol format.
System the most according to claim 4, it is characterised in that: described network is connected as HTTPS connects.
System the most according to claim 5, it is characterised in that:
Described central control unit is specifically for sending the essential information of automobile by AT order To described modem, described modem is specifically for forwarding the essential information of automobile To the webserver, the webserver is set up specifically for the essential information according to the automobile received One data base, connects and the corresponding relation of automobile depositing HTTPS, described automobile basic Information comprises unique identifier and the state of automobile.
System the most according to claim 3, it is characterised in that: described modem connects The form of the remote control commands received is TCP+SSL protocol format.
System the most according to claim 7, it is characterised in that: described network is connected as TCP+SSL connects.
System the most according to claim 8, it is characterised in that:
Described central control unit is specifically for sending the essential information of automobile by AT order To described modem, described modem is specifically for forwarding the essential information of automobile To the webserver, the webserver is set up specifically for the essential information according to the automobile received One data base, to deposit the corresponding relation of TCP+SSL connection and automobile, the base of described automobile This information comprises unique identifier and the state of automobile.
10. according to the system described in any one of claim 1~9, it is characterised in that:
Described AT order is also encrypted by described central control unit.
11. according to the system described in any one of claim 1~9, it is characterised in that: in described Centre control unit also includes:
Detector unit, is used for detecting vehicle condition;
Alarm unit, is used for when the described vehicle condition that described detector unit detects is for exception, Generate alarm signal;
Described modem is additionally operable to described alarm signal is sent to the described webserver.
12. according to the system described in any one of claim 1~9, it is characterised in that: described net Network is connected as wireless network and connects and/or mobile network's connection.
The long-range control method of 13. 1 kinds of automobiles, it is characterised in that vehicle-mounted at described automobile Entertainment systems is closed down, and described method includes:
The central control unit of described automobile generates online and connects AT order and resolve long-range control Instruction;
The online that the modem of described automobile generates according to described central control unit connects AT order generates online connection request and issues the webserver, and receives the described webserver Online connection response, sets up and is connected with the network between the described webserver;And by described Network connects the remote control commands receiving the described webserver;
The car running computer of described automobile performs the described modulation /demodulation that described central control unit resolves The remote control commands that device receives.
14. methods according to claim 13, it is characterised in that: described modem Described central control unit is connected by UART interface.
15. methods according to claim 14, it is characterised in that: described modem The form of the remote control commands received is HTTPS protocol format.
16. methods according to claim 15, it is characterised in that: described network is connected as HTTPS connects.
17. methods according to claim 14, it is characterised in that: described modem The form of the remote control commands received is TCP+SSL protocol format.
18. methods according to claim 17, it is characterised in that: described network is connected as TCP+SSL connects.
19. according to the method described in any one of claim 13~18, it is characterised in that:
Described AT order is also encrypted by described central control unit.
20. according to the method described in any one of claim 13~18, it is characterised in that described Method also includes:
Described central control unit detection vehicle condition, when described vehicle condition is abnormal, raw Becoming alarm signal, described alarm signal is sent to the described webserver by modem.
CN201610066040.5A 2016-01-29 2016-01-29 Remote control system and method for automobile Pending CN105843111A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1877106A (en) * 2005-06-10 2006-12-13 浙江飞亚电子有限公司 Public telephone network based remote diagnosing system and method for engine
CN201035379Y (en) * 2007-03-23 2008-03-12 鲁东大学 Vehicle remote data exchange and intelligent control device
US20100007523A1 (en) * 2008-07-08 2010-01-14 Nuriel Hatav Driver alert system
CN102316414A (en) * 2010-07-09 2012-01-11 北汽福田汽车股份有限公司 Remote vehicle monitoring method and system
CN104363266A (en) * 2014-10-23 2015-02-18 北京远特科技有限公司 Remote vehicle control method, TSP (telematics service provider) backstage system and vehicular terminal

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1877106A (en) * 2005-06-10 2006-12-13 浙江飞亚电子有限公司 Public telephone network based remote diagnosing system and method for engine
CN201035379Y (en) * 2007-03-23 2008-03-12 鲁东大学 Vehicle remote data exchange and intelligent control device
US20100007523A1 (en) * 2008-07-08 2010-01-14 Nuriel Hatav Driver alert system
CN102316414A (en) * 2010-07-09 2012-01-11 北汽福田汽车股份有限公司 Remote vehicle monitoring method and system
CN104363266A (en) * 2014-10-23 2015-02-18 北京远特科技有限公司 Remote vehicle control method, TSP (telematics service provider) backstage system and vehicular terminal

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Application publication date: 20160810