CN202023428U - Wireless encryption remote control system for automobile door lock - Google Patents
Wireless encryption remote control system for automobile door lock Download PDFInfo
- Publication number
- CN202023428U CN202023428U CN 201120088299 CN201120088299U CN202023428U CN 202023428 U CN202023428 U CN 202023428U CN 201120088299 CN201120088299 CN 201120088299 CN 201120088299 U CN201120088299 U CN 201120088299U CN 202023428 U CN202023428 U CN 202023428U
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- remote control
- decoder
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Abstract
The utility model relates to a wireless encryption remote control system for an automobile door lock, which comprises a transmitter. Wireless communication is carried out between the transmitter and a code learner; wireless bidirectional communication is carried out between the transmitter and a receiver; the wireless communication is carried out between the code learner and the receiver; an encoder is arranged in the transmitter; and a decoder paired with the encoder is arranged in the receiver. By adopting the wireless encryption remote control system for the automobile door lock, firstly, the legal identity information, the code hopping encoding law, the synchronous guidance, the current synchronous count value and the like of the transmitter have to be learnt and mastered through the code learner. Through the learning of the code learner, the to-be-paired passwords of the encoder are transmitted into the decoder, and then the security code can be learnt and stored by the decoder, and thereby, a pair of passwords of the encoder and the decoder is synchronously changed according to the same set of hopping code algorithms, and the passwords of the encoder can be accurately decoded every time thereafter. Simultaneously, the stored security code is used as an invalid code reference, thus, the stolen code can be effectively prevented from infringed. The wireless encryption remote control system for the automobile door lock has a simple structure, convenience in use and high confidentiality.
Description
Technical field
The utility model relates to a kind of automobile door lock wireless encryption remote control system.
Background technology
Along with the progress of science and technology, the range of application of wireless encryption telecontrol engineering is also enlarging, and generally wireless remote control technology is applied to the door lock encryption control system of automobile at present.Present automobile remote-control device encryption technology is mainly the fixed code encryption technology, it is to adopt special coding/decoding chip that fixed code is encrypted the wireless remote control recognition technology, obtain different key amounts by the different conditions that changes coding chip and the decoding chip address bit that matches with it, the multidigit address date password that transmits and receives is a key of confirming user validation.
In order to improve the security performance of system, the method for generally all taking to increase the figure place of address bit or improve the permutation and combination variable is maintained secrecy.Coding that manufactures and designs for remote control system specially and decoder ic just should be appointed and given birth to for this reason.Representative product such as LM1871/1872, MC145026/145027, PT2262/2272, ED5026/5027 etc. in this class circuit, characteristics such as possessed mostly that quiescent dissipation low (μ A～mA level), peripheral circuit are simplified, available function or control are mouthful many.But the position, coded address of this class fixed code chip generally has 6～18, and the coding variable is few, and only 6～18 of Password Lengths make confidentiality very poor.Promptly code data can be intercepted and captured and successfully decipher by means such as the repeating transmission of copying apparatus copy, the tracking of password scanner scans, computer prediction password combination at present, property safety to the car owner has huge hidden danger, and the use of existing controlled in wireless door lock allows the people become weighed down with anxieties.
The utility model content
The purpose of this utility model is to provide that a kind of circuit structure is simple, easy to use, the automobile door lock wireless encryption remote control system of strong security.
For achieving the above object, the utility model has adopted following technical scheme: a kind of automobile door lock wireless encryption remote control system, comprise transmitter, a transmitter and the wireless telecommunications of sign indicating number device, transmitter and receiver wireless bidirectional communication, learn sign indicating number device and receiver wire communication, encoder is set in the transmitter, the decoder with the encoder pairing is set in the receiver.
As shown from the above technical solution, the legal identity information of transmitter, frame hopping encoding law, guiding synchronously and current synchronometer numerical value etc. are learnt and grasped to the utility model must be at first by learning the sign indicating number device.By learning the study of sign indicating number device, the password of the encoder that will match is passed into decoder, security code this time will be learnt and store to decoder, from then on, the password of this a pair of volume, decoder just changes synchronously according to same set of saltus step code calculation, and decoder just can accurately translate the password of encoder later at every turn.Simultaneously, this security code that deposits in is used as the invalid code reference, receives that more same password will turn a blind eye to, thereby can prevent to steal sign indicating number effectively and falsely use, and the utility model is simple in structure, easy to use, strong security.
Description of drawings
Fig. 1 is a circuit block diagram of the present utility model;
Fig. 2,3 is respectively the circuit block diagram of transmitter in the utility model, receiver.
The specific embodiment
A kind of automobile door lock wireless encryption remote control system, comprise transmitter 1, a transmitter 1 and 2 wireless telecommunications of sign indicating number device, transmitter 1 and receiver 3 wireless bidirectional communications, learn sign indicating number device 2 and receiver 3 wire communications, in the transmitter 1 encoder is set, the decoder with the encoder pairing is set in the receiver 3, as shown in Figure 1, described sign indicating number device 2 and receiver 3 wired connections.Transmitter 1 is carried by the car owner, and receiver 3 is installed onboard.Learn a sign indicating number device 2 and link to each other with receiver 3 in use, learn 2 acceptance of sign indicating number device and send the essential information of transmitter 1 to receiver 3.
Under original state, transmitter 1 produces and the enciphered message of emission, promptly enables directly to be received device 3 and receives, and the intension that receiver 3 also can't identifying information more can't be deciphered information, computing and processing.The legal identity information of transmitter 1, frame hopping encoding law, guiding synchronously and current synchronometer numerical value etc. are learnt and grasped to receiver 3 must be at first by learning sign indicating number device 2.The every pair of encoder and decoder, before use all will be unidirectional at least " study " once.Password is the mess code that produces at random when pairing use for the first time, by learning the study of sign indicating number device 2, the password of the encoder that will match is passed into decoder, security code this time will be learnt and store to decoder, from then on the password of this a pair of encoder, decoder just changes synchronously according to same set of saltus step code calculation, and decoder just can accurately translate the password of encoder later at every turn.Simultaneously, this security code that deposits in is used as the invalid code reference, receives that more same password will turn a blind eye to, thereby can prevent to steal sign indicating number effectively and falsely use.Receiver 3 after the study receives and compiling emission information with can having obstruction, or direct and transmitter 1 realization both-way communication, and the mission of sign indicating number device 2 just comes to an end to this.If transmitter 1 is lost, in the time of need relearning transmitter 1, learn sign indicating number device 2 and also can use.
As shown in Figure 2, described transmitter 1 is made up of radio-frequency information radiating circuit 4, encoder, coincidence counter, memory and order control button 5, order control button 5 links to each other with memory by coincidence counter, memory links to each other with radio-frequency information radiating circuit 4 by encoder, and described memory is an eeprom memory.Described order control button 5 is made up of unblank operating key and locking operating key, no matter press which order control button 5, following control operation takes place in the capital: deposit eeprom memory after coincidence counter adds one in, encoder is according to synchronometer numerical value, identification code, function key and overflow indicating bit, utilize the 64bits encrypting and decrypting password in the eeprom memory, generate one group of 32 new frame hopping Crypted password, it and 34 fixed code are formed 66 wireless encryption remote information sign indicating number together, send eeprom memory to store, and launch to receiver 3 by radio-frequency information radiating circuit 4.
As shown in Figure 3, described receiver 3 is made up of microcontroller MCU 6, radio-frequency information receiving circuit 7, decoder, coincidence counter, memory and driving executive circuit 8, coincidence counter is used for remembering the synchronizing information of decoder, described memory is an eeprom memory, memory is used for the average information and the final information of storage decoder, drives the control operation that executive circuit 8 is used for finishing wireless encryption remote control signaling regulation.Radio-frequency information receiving circuit 7 links to each other with microcontroller MCU 6 by decoder, and microcontroller MCU 6 links to each other with coincidence counter, memory and driving executive circuit 8 respectively.Radio-frequency information receiving circuit 7 can be special-purpose radiofrequency receiving chip, it also can be the radio frequency receiver that designs voluntarily, radio-frequency information receiving circuit 7 is guide with the lead data that receives information, with synchronous guiding is that receiving velocity is proofreaied and correct, to signal currency sampling and testing, test successfully and then continue, otherwise terminating operation.When receiving the wireless encryption remote information, the synchronized counter value of receiver 3 also adds 1.Microcontroller MCU 6 is after receiving 66 complete wireless encryption remote information sign indicating numbers, received wireless encryption remote information sign indicating number is carried out identity validation, the decoding deciphering, four kinds of data such as systematic function key assignments, overflow, identification code and synchronometer numerical value, and the corresponding data of storing in itself and the eeprom memory database compared, data conform to or mate continuation, otherwise terminating operation.Receiver 3 has wireless remote control enciphered message code function, and the owning amount of the effective Yao Kong of the study Keying spoon that it allows can be set by microcontroller MCU 6, if the quantity of study Yao Kong Keying spoon is greater than the value of setting, then receiver 3 will be automatically wiped the information of the unnecessary Yao Kong Keying spoon learnt previously successively from eeprom memory.
Sign indicating number device 2 is accepted the next information of transmitter 1 emission and it is deciphered, but it is different from receiver 3.Learn 2 legal identity information of sign indicating number device, as series number, frame hopping encoding law, guiding and current fixed code information such as synchronometer numerical value synchronously to transmitter 1.After learning 2 pairs of information decodings of sign indicating number device, information is stored by the eeprom memory that wired mode sends receiver 3 to.Afterwards, transmitter 1 and just directly communication of receiver 3 unless need the new Yao Kong Keying spoon of study, again need not be learned the participation of yard device 2.
Claims (6)
1. automobile door lock wireless encryption remote control system, it is characterized in that: comprise transmitter (1), a transmitter (1) and the wireless telecommunications of sign indicating number device (2), transmitter (1) and receiver (3) wireless bidirectional communication, learn sign indicating number device (2) and receiver (3) wire communication, transmitter is provided with encoder in (1), and the decoder with the encoder pairing is set in the receiver (3).
2. automobile door lock wireless encryption remote control system according to claim 1, it is characterized in that: described transmitter (1) is made up of radio-frequency information radiating circuit (4), encoder, coincidence counter, memory and order control button (5), order control button (5) links to each other with memory by coincidence counter, memory links to each other with radio-frequency information radiating circuit (4) by encoder, and described encoder is a frame hopping type encoder.
3. automobile door lock wireless encryption remote control system according to claim 1, it is characterized in that: described receiver (3) is by microcontroller MCU(6), radio-frequency information receiving circuit (7), decoder, coincidence counter, memory and driving executive circuit (8) form, radio-frequency information receiving circuit (7) is by decoder and microcontroller MCU(6) link to each other, microcontroller MCU(6) link to each other with coincidence counter, memory and driving executive circuit (8) respectively, described decoder is a frame hopping type decoder.
4. automobile door lock wireless encryption remote control system according to claim 1 is characterized in that: described sign indicating number device (2) and receiver (3) wired connection.
5. automobile door lock wireless encryption remote control system according to claim 2 is characterized in that: described order control button (5) is made up of unblank operating key and locking operating key.
6. according to claim 2 or 3 described automobile door lock wireless encryption remote control systems, it is characterized in that: described memory is an eeprom memory.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120088299 CN202023428U (en) | 2011-03-30 | 2011-03-30 | Wireless encryption remote control system for automobile door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120088299 CN202023428U (en) | 2011-03-30 | 2011-03-30 | Wireless encryption remote control system for automobile door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202023428U true CN202023428U (en) | 2011-11-02 |
Family
ID=44848381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120088299 Expired - Fee Related CN202023428U (en) | 2011-03-30 | 2011-03-30 | Wireless encryption remote control system for automobile door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202023428U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103854343A (en) * | 2012-11-29 | 2014-06-11 | 株式会社东海理化电机制作所 | Registration device and electronic key system |
| CN105654594A (en) * | 2015-12-21 | 2016-06-08 | 林海航 | Intelligent remote control key |
-
2011
- 2011-03-30 CN CN 201120088299 patent/CN202023428U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103854343A (en) * | 2012-11-29 | 2014-06-11 | 株式会社东海理化电机制作所 | Registration device and electronic key system |
| US9663066B2 (en) | 2012-11-29 | 2017-05-30 | Kabushiki Kaisha Tokai Rika Denki Seisakusho | Registration device |
| CN105654594A (en) * | 2015-12-21 | 2016-06-08 | 林海航 | Intelligent remote control key |
| CN105654594B (en) * | 2015-12-21 | 2017-12-12 | 林海航 | A kind of intelligent remote control key |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ANHUI TONGYU ELECTRONIC CO., LTD. Free format text: FORMER NAME: HEFEI TONGYU ELECTRONIC CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: Electrical Industrial Park No. 767 high tech Zone Hefei city Anhui province 230088 Magnolia Avenue Patentee after: ANHUI TONGYU ELECTRONIC CO., LTD. Address before: High tech Zone Hefei city Anhui province 230088 Wangjiang Road No. 539 Kunpeng Industrial Park 1 No. 204 Patentee before: Hefei Tongyu Electronic Co., Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Wireless encryption remote control system for automobile door lock Effective date of registration: 20170116 Granted publication date: 20111102 Pledgee: Hefei Rural Commercial Bank branch Limited by Share Ltd Luogang Pledgor: ANHUI TONGYU ELECTRONIC CO., LTD. Registration number: 2017340000006 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190308 Granted publication date: 20111102 Pledgee: Hefei Rural Commercial Bank branch Limited by Share Ltd Luogang Pledgor: ANHUI TONGYU ELECTRONIC CO., LTD. Registration number: 2017340000006 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111102 Termination date: 20200330 |