CN111137245B - Opening and closing method for automobile door lock - Google Patents
Opening and closing method for automobile door lock Download PDFInfo
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- CN111137245B CN111137245B CN201911304676.9A CN201911304676A CN111137245B CN 111137245 B CN111137245 B CN 111137245B CN 201911304676 A CN201911304676 A CN 201911304676A CN 111137245 B CN111137245 B CN 111137245B
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- mobile phone
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- key
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/01—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/20—Means to switch the anti-theft system on or off
- B60R25/2018—Central base unlocks or authorises unlocking
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
- H04M1/72415—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories for remote control of appliances
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
- G07C2009/00412—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks the transmitted data signal being encrypted
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
- G07C2009/0042—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks the transmitted data signal containing a code which is changed
- G07C2009/00476—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks the transmitted data signal containing a code which is changed dynamically
- G07C2009/005—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks the transmitted data signal containing a code which is changed dynamically whereby the code is a random code
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mechanical Engineering (AREA)
- Human Computer Interaction (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention relates to an opening and closing method of an automobile door lock, and belongs to the technical field of automobiles. According to the method, the opening and closing functions of the automobile door lock are completed through wireless communication modes such as Bluetooth or WIFI in the mobile phone, keyless management of vehicle utilization is achieved, and vehicle utilization safety of an automobile owner is improved. The mobile phone sends a key for opening or closing the door lock through wireless communication, the ECU in the automobile receives and processes the key information and sends response information, the mobile phone performs combined encryption according to the received response random data, the member information of the mobile phone and a set password to form a new key, and the opening and closing control of the automobile door lock is realized through the mobile phone.
Description
Technical Field
The invention belongs to the technical field of automobiles, and relates to an automobile door lock opening and closing method.
Background
The automobile is an important tool for people to go out, the automobile door lock opening and closing system is an important means for ensuring the normal use and parking safety of the automobile, and meanwhile, the automobile door lock opening and closing system plays an important role in the aspects of robbery prevention, theft prevention and the like. At present, the automobile door lock is also controlled to be opened and closed mainly through a heavier door lock key, the key is inconvenient to carry, the key is troublesome to lose and replace, and the number of the keys also limits the number of vehicle using members. Along with the popularization of smart phones, the inconvenience can be effectively overcome by designing the automobile door lock based on the mobile phone wireless communication, the keyless management of the automobile owner for using the automobile is realized, and the safety of the automobile is improved.
Disclosure of Invention
In view of the above, an object of the present invention is to provide an automobile door lock opening and closing method, which solves the disadvantages that the automobile door lock opening and closing system provided in the prior art has a single opening and closing manner, and the vehicle information and the door lock information cannot be recorded and queried, thereby implementing keyless management of the vehicle owner and improving the vehicle safety of the vehicle owner.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention aims to provide an automobile door lock opening and closing method, which comprises the following steps:
the mobile phone sends a lock opening and closing request module which is used for sending an automobile unlocking or locking command in a wireless communication mode, wherein the command comprises random data, door lock key member information, corresponding door lock key member password information, door lock opening and closing and other related information, and the members and the keys are transmitted in a dynamic key mode to ensure that data transmission is not repeated every time.
The in-vehicle ECU sends a lock opening and closing request response module which is used for decrypting and checking member password information and member password information sent by the mobile phone through random data sent by the mobile phone to see whether the member password information is matched with an originally set member password or not, if the member password information is matched with the originally set member password, a corresponding command is responded, and the content comprises new random data, confirmed unlocking or locking commands and other information; if the member is matched but the key is not matched, updating the access failure times and responding to the key error indication, and no longer responding to the member information after the appointed times are exceeded; and if the members do not match, no response is made.
And the mobile phone sending unlocking and locking confirmation information module is used for checking the dynamic response information sent by the ECU in the vehicle. If the random data is received correctly, a new confirmation password is formed according to the received random data, the member in the mobile phone and the member key combination, and then the new confirmation password is sent to the ECU in the vehicle; if a password error is received, giving an error indication; and if the receiving is overtime, the mobile phone is retransmitted to send the locking and unlocking request information.
The in-vehicle ECU executes the confirmation module, is used for the in-vehicle ECU to carry on the check processing to the lock opening and closing confirmation information that the mobile phone sends through random data, in-vehicle member and its password information that send; and sending corresponding confirmation information according to the processing result, wherein the access failure times need to be updated when the access failure times do not coincide with each other, and the member information is not responded after the access failure times exceed the agreed times.
Further, the mobile phone sending lock opening and closing request module combines member information, a key and random data on the basis of normal wireless communication connection between the mobile phone and the automobile ECU, encrypts the member information and the key in an encryption mode agreed by the two parties, sends the member information and the key in a random data, dynamic key, lock opening and closing command and data verification mode, and judges whether the member information is successfully sent according to the ECU feedback information receiving condition.
Further, after successfully receiving the member information, the random data, the dynamic password and other related information sent by the mobile phone, the in-vehicle ECU sending lock opening and closing request response module combines the member information, the password information and the received random data in the ECU to generate password information, if the password is consistent with the received dynamic password, the receiving is successful, and the in-vehicle ECU sends lock opening and closing request response to confirm.
Further, after the in-vehicle ECU sends the lock opening and closing request response module successfully receives the member information, the random data, the dynamic password and other related information sent by the mobile phone, the lock opening and closing request response module is combined with the corresponding member information and password information in the ECU and the received random data to generate password information, if the password is inconsistent with the received dynamic password, the password is an error password request, the password error count is accumulated once, and the automobile ECU sends the password error response information to indicate. And locking the member after the number of times of wrong setting of the set password is exceeded, and no response is performed.
Further, the in-vehicle ECU sends the lock opening and closing request response module, after successfully receiving the member information, the random data, the dynamic password and other related information sent by the mobile phone, compares the member information with the random data received last time, and does not respond to the information if the random data is the same as the previous time.
Further, the in-vehicle ECU sends a lock opening and closing request response module to send dynamic response information after the information is successfully received, wherein the information comprises member information, random data, data verification and other information.
Further, after the unlocking and locking confirmation information sending module of the mobile phone correctly receives the automobile ECU response information, the random data in the ECU response information is combined with the member information and the set key information to encrypt again to generate new password confirmation information, and then the information is sent.
Further, after the in-vehicle ECU execution confirmation module receives unlocking and locking confirmation information sent by the mobile phone, the received confirmation information is decrypted through the same password generation mechanism according to member information, key information and latest request response information data in the ECU, if the information is matched, an unlocking and locking function is executed, and unlocking and locking confirmation information of the automobile ECU is sent.
Further, after the in-vehicle ECU execution confirmation module receives unlocking and locking confirmation information sent by the mobile phone, the received confirmation information is decrypted through the same password generation according to member information, key information and latest request response information data in the ECU, if the information is not matched, the unlocking and locking functions are refused to be executed, automobile ECU unlocking and locking confirmation error information is sent, the password confirmation information is accumulated once, the member is locked after the password confirmation information exceeds the set password confirmation information error times, and the member does not respond any more.
The invention has the beneficial effects that:
the invention provides an automobile door lock opening and closing method, which is characterized in that a wireless communication mode is adopted, and a mobile phone sends automobile unlocking or locking request information which contains a user set in an automobile interior ECU and is related to a corresponding password to the automobile interior ECU in a dynamic encryption information mode; after receiving the information, the ECU in the vehicle decrypts the information according to the random data, the member information and the password information in the received information and sends dynamic response information; if the mobile phone sends unlocking and locking confirmation information, a new password is generated again according to random data sent by the ECU in the vehicle to complete the generation and sending of the unlocking and locking confirmation information; and the ECU in the automobile decrypts according to the received new key and the random data sent last time, completes decryption of the automobile key and confirmation of the information of opening and closing the lock, and sends confirmation information of unlocking and locking of the automobile ECU. Aiming at the characteristics that the smart phone system is increasingly popularized and the mobile phone is carried with the person, the invention fully utilizes the wireless communication function of the mobile phone, combines a dynamic encryption method with stronger safety, provides a keyless locking and unlocking method of an automobile door lock, can greatly facilitate the safety of using the automobile, can track the using condition of the automobile in time, improves the safety of using the automobile, and has stronger popularization and application values.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
fig. 1 is a block diagram of an automobile door lock opening and closing method according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating a process of sending an automobile unlocking and locking information module by a mobile phone according to an embodiment of the present invention;
FIG. 3 is a flowchart illustrating a process of sending a lock opening/closing request response module by an in-vehicle ECU according to an embodiment of the present invention;
fig. 4 is a flowchart illustrating a working process of the module for sending an unlocking/locking confirmation message by a mobile phone according to an embodiment of the present invention;
FIG. 5 is a flowchart illustrating the operation of the in-vehicle ECU execution confirmation module according to the embodiment of the present invention;
in the figure: 11-the mobile phone sends the information module of the lock of opening and closing of the car; 12-an in-vehicle ECU sends a lock opening and closing request response module; 13-the mobile phone sends the unlocking and locking confirmation information module; 14-the in-vehicle ECU executes the confirmation module.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.
Fig. 1 shows a structure of an automobile door lock opening and closing method according to an embodiment of the present invention. For convenience of explanation, only portions relevant to the present invention are shown.
The opening and closing method of the automobile door lock comprises the following steps:
the mobile phone sending automobile lock opening and closing information module 11 is used for initiating lock opening and closing key request information, wherein the information comprises random data, a key, a lock opening and closing command and other information, and the key comprises a member and a corresponding member password;
and the ECU in the vehicle sends an unlocking and locking request response module 12 which is used for decrypting and responding to the information sent by the module 11, if the password and the member information both accord with the setting, the dynamic random data required by the module 13 corresponding to the new key is given, otherwise, an error request counter is accumulated, and the password request information error indication is given and sent.
And the mobile phone unlocking and locking confirmation information sending module 13 is connected with the in-vehicle ECU unlocking and locking request response module 12, generates unlocking and locking confirmation information according to the combination of the random data provided by the module 12, the in-mobile phone member information and the password information, and sends the unlocking and locking confirmation information to the in-vehicle ECU.
And the in-vehicle ECU execution confirmation module 14 is connected with the mobile phone unlocking and locking confirmation information sending module 13 and is used for analyzing the key information of the module 13, judging whether the member key information in the mobile phone is consistent with the member and key information set by the in-vehicle ECU, responding to the request and sending confirmation information if the member key information is consistent with the member and key information, sending information corresponding to the in-vehicle ECU locking and unlocking request response module 12 if the member key information is inconsistent with the member and key information, and locking the member if the error exceeds the set number of times.
In the embodiment of the invention, the mobile phone information sending module 11 for sending the automobile lock opening and closing request data sends the lock opening and closing request data, random data cannot be repeated when the information is sent for multiple times, the random data is used for being combined and encrypted with member information and password information in the mobile phone to form key information, and the lock opening and closing information containing the random data, the key, a lock opening and closing command and the like is sent in a wireless mode.
In the embodiment of the present invention, after the in-vehicle ECU sends the unlocking and locking request response module 12 to obtain the unlocking and locking information sent by the module 11, if the random data received this time is the same as the random data requested last time, no response is made.
In the embodiment of the invention, after the in-vehicle ECU sending unlocking and locking request response module 12 obtains the unlocking and locking information sent by the mobile phone sending automobile unlocking and locking information module 11, if the random data received this time is different from the random data requested last time, the received information is decrypted to obtain the member and password information in the information, whether the same member and password information exists in the ECU is compared, if the member agrees with the password, the in-vehicle ECU unlocking and locking request response information containing the password error indication is sent, and if the member does not agree with the password, the response is not responded.
In the embodiment of the invention, after the in-vehicle ECU sending unlocking and locking request response module 12 acquires the unlocking and locking information sent by the mobile phone sending automobile unlocking and locking information module 11, if the random data received this time is not the same as the random data requested last time, the received information is decrypted to acquire the member and password information in the information, whether the same member and password information exist in the ECU is compared, if yes, the in-vehicle ECU sending unlocking and locking request response information containing the random data is sent, and the password request error count is updated.
In the embodiment of the present invention, after the mobile phone unlocking and locking confirmation information sending module 13 obtains the response information sent by the in-vehicle ECU unlocking and locking request response module 12, the response information is combined with the member information and the password information in the mobile phone according to the random data in the response information, and a new unlocking and locking confirmation information key is formed again and sent.
In the embodiment of the present invention, after the in-vehicle ECU execution confirmation module 14 obtains the confirmation information sent by the mobile phone lock unlocking confirmation information sending module 13, according to the random data sent by the ECU lock unlocking request response module 12, the key in the mobile phone lock unlocking confirmation information sending module 13 is decrypted to obtain the member information and the password information, if the information does not match the in-vehicle member and the password information determined by the in-vehicle ECU lock unlocking request response module 12, the information corresponding to the lock unlocking request response module 12 is sent, the password confirmation error count is updated, and if the number of times exceeds the set number of times, the response is not performed.
In the embodiment of the present invention, after the in-vehicle ECU execution confirmation module 14 obtains the confirmation information sent by the mobile phone unlocking and locking confirmation information module 13, according to the random data sent by the ECU unlocking and locking request response module 12, the key in the mobile phone unlocking and locking confirmation information module 13 is decrypted to obtain the member information and the password information, if the information is consistent with the in-vehicle member and password information determined by the in-vehicle ECU unlocking and locking request response module 12, the password confirmation error count is cleared, the unlocking or locking control of the automobile door lock is completed according to the confirmation information sent by the mobile phone unlocking and locking confirmation information module 13, and simultaneously, the execution confirmation information that the unlocking and locking are successful is sent.
The application of the principles of the present invention will be further described with reference to the accompanying drawings and specific embodiments.
The invention relates to an automobile door lock control method based on a wireless communication technology, which can realize the key function of an automobile door lock through wireless communication modes such as a mobile phone and the like to complete the opening and closing control of the automobile door lock, and adopts a mode of twice dynamic password confirmation to improve the reliability of a key and realize the opening and closing control of the keyless automobile door lock.
Fig. 1 illustrates a workflow of an automobile door lock opening and closing method according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating a process of sending an automobile unlocking and locking information module by a mobile phone according to an embodiment of the present invention;
FIG. 3 is a flowchart of an operation of an in-vehicle ECU sending a lock opening/closing request response module according to an embodiment of the present invention;
fig. 4 is a flowchart illustrating a working process of the module for sending an unlocking/locking confirmation message by a mobile phone according to an embodiment of the present invention;
FIG. 5 is a flowchart illustrating the operation of an in-vehicle ECU execution confirmation module according to an embodiment of the present invention;
the automobile door lock opening and closing method based on the wireless communication technology comprises an automobile unlocking and locking information sending module 11 of a mobile phone, an automobile interior ECU (electronic control unit) sending unlocking and locking request response module 12, an unlocking and locking confirmation information sending module 13 of the mobile phone and an automobile interior ECU execution confirmation module 14;
the mobile phone information sending module 11 for sending the automobile lock opening and closing information sends related information including random data, a key, a lock opening and closing command and the like which need to be changed every time, wherein the key is automatically generated according to the combination of the random data, member information and password information and is not transmitted through an open code;
an in-vehicle ECU (electronic control unit) sending unlocking and locking request response module 12 decrypts the received information of the mobile phone sending automobile unlocking and locking information module 11, compares the decrypted member information with all member information stored in the ECU, compares password information after finding the same member information, sends password error indication information when the passwords are different, updates password request error count, and does not respond after the error count exceeds the set number;
an in-vehicle ECU (electronic control unit) sending unlocking and locking request response module 12 decrypts the received information of the mobile phone sending automobile unlocking and locking information module 11, compares the decrypted member information with all member information stored in the ECU, compares password information after finding the same member information, sends unlocking and locking request response information with random data if the passwords are the same, and clears password request error counts;
the mobile phone locking and unlocking confirmation information sending module 13 analyzes the information sent by the locking and unlocking request response module 12 sent by the in-vehicle ECU, obtains random data, and generates new locking and unlocking confirmation information according to the random data, the in-mobile phone member information and the password information;
after the in-vehicle ECU execution confirmation module 14 receives the key sent by the unlocking and locking confirmation information sending module 13 of the mobile phone, the key in the unlocking and locking confirmation information sending module 13 of the mobile phone is decrypted according to the random data sent by the unlocking and locking request response module 12 sent by the ECU, member information and password information are obtained, if the member in the vehicle determined by the unlocking and locking request response module 12 sent by the in-vehicle ECU does not conform to the password information, the information corresponding to the unlocking and locking request response module 12 is sent, the password confirmation error count is updated, and all operations of the member are locked when the number of times exceeds the set number.
After the in-vehicle ECU execution confirmation module 14 receives the key sent by the unlocking and locking confirmation information sending module 13 of the mobile phone, the key in the unlocking and locking confirmation information sending module 13 of the mobile phone is decrypted according to the random data sent by the unlocking and locking request response module 12 sent by the ECU, member information and password information are obtained, if the member in the vehicle determined by the unlocking and locking request response module 12 sent by the in-vehicle ECU is consistent with the password information, the password confirmation error count is cleared, unlocking or locking control of the automobile door lock is completed according to the confirmation information sent by the unlocking and locking confirmation information sending module 13 of the mobile phone, and meanwhile execution confirmation information of successful unlocking and locking is sent.
According to the automobile door lock opening and closing method provided by the embodiment of the invention, the mobile phone sending automobile opening and closing lock information module 11 dynamically encrypts member information and password information through random data and sends an opening and closing lock request; the in-vehicle ECU sends an unlocking and locking request response module 12 to decrypt the received key according to the received random data to obtain member information and password information, and the member information stored in the ECU are compared and confirmed to complete the preliminary key determination and provide random data for further password confirmation; the mobile phone lock sending and unlocking confirmation information module 13 extracts random data through the received information of the in-vehicle ECU lock sending and unlocking request response module 12, and the random data is combined with the in-mobile phone member and the password again to generate a new key for sending; the in-vehicle ECU execution confirmation module 14 decrypts the key sent by the received mobile phone unlocking and locking confirmation information sending module 13 by using the random data reserved by the in-vehicle ECU sending unlocking and locking request response module 12 to confirm the consistency of the member key, thereby completing the keyless unlocking and locking functions of the automobile door lock.
The invention relates to an automobile door lock opening and closing method, which adopts a twice dynamic password confirmation method, firstly utilizes random data of a mobile phone and a key to establish a request, then utilizes the random data in an ECU, and utilizes the random data to generate the key by the mobile phone again to realize the keyless opening and closing function of the automobile door lock.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (1)
1. An automobile door lock opening and closing method is characterized in that: the method comprises the following steps:
the mobile phone sends a lock opening and closing request module which is connected with an in-vehicle ECU (electronic control unit) lock opening and closing request response module and used for sending an automobile door lock opening or closing request key;
the in-vehicle ECU sends a lock opening and closing request response module which is connected with the mobile phone lock opening and closing request module and used for processing a lock opening and closing request key sent by the mobile phone and sending random data to the mobile phone as a response;
the mobile phone locking and unlocking confirmation information sending module is connected with the in-vehicle ECU locking and unlocking request response sending module, and is used for generating dynamic key confirmation information according to the received in-vehicle ECU random data and sending the dynamic key confirmation information to the in-vehicle ECU;
the in-vehicle ECU execution confirmation module is connected with the mobile phone unlocking and locking confirmation information sending module and used for identifying unlocking and locking confirmation information sent by the mobile phone, executing related operations and sending related information to the mobile phone;
after the mobile phone sends the lock opening and closing request module and establishes wireless connection with the ECU in the automobile, the mobile phone sends automobile lock opening and closing request information in a Bluetooth or WIFI wireless communication mode;
after the in-vehicle ECU sends the lock opening and closing request response module receives the information of the lock opening and closing of the vehicle sent by the mobile phone, the information is decrypted and checked according to the member password setting condition of the key in the vehicle, if the member information is matched with the key information and the dynamic response password information is sent, otherwise, the information is not responded;
the mobile phone locking and unlocking confirmation information sending module generates new key confirmation information by combining member information and key information by utilizing the received automobile ECU response information and sends the new key confirmation information to the automobile ECU, otherwise, whether the automobile unlocking or locking request information needs to be sent again is determined according to the receiving condition;
the ECU execution confirmation module in the vehicle checks the lock opening and closing confirmation information sent by the receiving mobile phone, determines whether the received key confirmation information is matched with the corresponding member in the lock and the member key information, matches and executes the corresponding command, sends the unlocking and locking confirmation information after execution, and does not match and updates the access failure times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911304676.9A CN111137245B (en) | 2019-12-17 | 2019-12-17 | Opening and closing method for automobile door lock |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911304676.9A CN111137245B (en) | 2019-12-17 | 2019-12-17 | Opening and closing method for automobile door lock |
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| Publication Number | Publication Date |
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| CN111137245A CN111137245A (en) | 2020-05-12 |
| CN111137245B true CN111137245B (en) | 2022-08-02 |
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| CN201911304676.9A Active CN111137245B (en) | 2019-12-17 | 2019-12-17 | Opening and closing method for automobile door lock |
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| CN105976466B (en) * | 2016-05-03 | 2020-01-10 | 科世达（上海）管理有限公司 | Automobile entrance guard door opening method |
| CN109586915A (en) * | 2017-09-29 | 2019-04-05 | 国民技术股份有限公司 | Automobile no-key controls authentication method, user terminal, car-mounted device and server |
| CN109712278B (en) * | 2018-11-27 | 2021-07-13 | 深圳市小石安防科技有限公司 | Intelligent door lock identity authentication method and system, readable storage medium and mobile terminal |
| CN110381199B (en) * | 2019-07-03 | 2022-02-01 | 吉利汽车研究院（宁波）有限公司 | Unlocking method and unlocking system with mobile phone as automobile key |
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