CN102654003B - Low power consumption remote awakening intelligent lock system - Google Patents
Low power consumption remote awakening intelligent lock system Download PDFInfo
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- CN102654003B CN102654003B CN201210178431.8A CN201210178431A CN102654003B CN 102654003 B CN102654003 B CN 102654003B CN 201210178431 A CN201210178431 A CN 201210178431A CN 102654003 B CN102654003 B CN 102654003B
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Abstract
The invention relates to a remote awakening low power consumption intelligent lock. The intelligent lock system designs a remote wireless awakening trigger module and a remote wireless signal receiving module on the basis of a traditional keyless entry intelligent door lock, and a master control module is in a low power consumption state in a non-working state. A relay module is always in a working mode for monitoring a high-frequency channel, after a high-frequency awakening command sent by a key is received, the intelligent lock system is firstly awakened through a wireless awakening signal, and then the intelligent lock starts to receive an encrypted ID (identification) signal. The working way can enable the intelligent lock with a remote unlocking function to effectively prolong the service time of a battery.
Description
Technical field
The present invention relates to a kind of low power-consumption intelligent lock of Remote Wake Up function, by the trunk module in listening state, receiving after the wake-up signal from Intelligent key, the control device that is initiatively waken up intelligent lock system and communicated by low frequency wake-up signal, belongs to smart lock and Intelligent key and manufactures field.
Background technology
Door lock is the security perimeter of household, is that people pass in and out the system that door all must be used every day.From the angle of application, intelligentized door-locking system is the starting point of the design of Smart Home.The main design goal of intelligent door lock is to improve the safety of key and the convenience of use.The intelligent door lock of existing market mainly comprises intelligent card door lock, fingerprint gate lock and enters door lock without key.Intelligent card door lock is identified the various forms of cards in user's hand by lock, to reach other object of identity.The lock of this form needs user to carry identification card and swipes the card and enter when opening the door.Fingerprint gate lock reaches the object of identification by gathering the information identification of user fingerprints.This lock advantage is without carrying key, but its shortcoming is also comparatively obvious, when opening the door, all needs to gather fingerprint at every turn, and discrimination is the difficult point of design.In cold winter, use and seem particularly not too convenient especially.The 3rd class smart lock, with without using key, is automatically responded to and is realized identification by lock body.Such lock uses the earliest on high-grade automobile door lock system, is called as " keyless entry ".This system still needs carrying keys, but key can automatically respond to and identify in effective coverage, without user, draws out key unlocking.The door-opening mode of the mechanical lock that such door lock is compatible traditional, can effectively improve user's experience again simultaneously, applies comparatively widely obtaining in the future.Being designed at present the patent entering without spoon has following:
CN 201915717U, title " keyless entry system for intelligent security door ", comprise the host machine part of being located in security door and be located at the key part in remote controller, host machine part comprises that trigger, LF transmitter, PKE receive device and execution unit, trigger and LF transmitter are connected, execution unit and PKE receiver are connected: PKE receiver comprises RF receiver, decoder and driver, decoder is provided with input and connects with RF receiver, decoder is provided with output and connects with driver, and driver connects with execution unit.Key partly comprises RF transmitter, encoder, button and three axle AFE(analog front end) AFE, and three axle AFE(analog front end) AFE are provided with antenna and resonance circuit, and encoder is provided with input and three axle AFE(analog front end) AFE, by key connecting; Encoder is provided with output and connects with RF transmitter; Be located at the RF receiver and the RF transmitter wireless connections of being located at key part of host machine part, solved in smart lock tradition opening ways and used inconvenience and the high technical problem of safety factor.
CN 201214398Y, title " a kind of car engine intelligent ignition lock core radio frequency identification signal receiving system ", it take a base station ic as core, several parts such as coupling coil, filter circuit, feedback circuit and power circuits, consists of.Signal of communication between this module and igniting Intelligent key is carrier (boc) modulated signals, is to produce by induction coupling between key coil and the coil of igniting lock core.Igniting lock core receives after this carrier (boc) modulated signals, first after filtering circuit takes out carrier signal, then by base station ic by carrier signal demodulation, revert to baseband digital signal, then pass through Manchester's code, by the serial port of LIN bus, export to the responder key control module that is positioned at automobile BCM.
CN101974991A, title " starting method of a kind of automobile intelligent lock, Intelligent key and employing ", automobile intelligent lock comprises vehicle-mounted part and Intelligent key, wherein, described vehicle-mounted part also comprises the coil by Power supply; Described Intelligent key also comprises: low frequency induction module, in the induction range when being in coil time, produces induced-current, for controller and the power supply of radio frequency module are with emitting radio frequency signal.The present invention is owing to adopting the vehicle-mounted part at automobile intelligent lock to add the coil by Power supply, when the Intelligent key of automobile intelligent lock has partly added in the induction range that is in coil, produce induced-current, low frequency induction module for controller and the power supply of radio frequency module, make Intelligent key part not need the power supply of body power supply, also can carry out faradic power supply to radio frequency module, complete the transmitting of radiofrequency signal and the checking of vehicle-mounted part.
These smart locks are in design mainly centered by lock system, after under normal operation, smart lock is triggered, initiatively wake Intelligent key up, Intelligent key sends encrypts ID, now smart lock is owing to receiving the ID stage in waiting for, once ID just can be decrypted and judge whether to need opening door lock after receiving.Therefore at ordinary times in the situation that, in order to save power consumption, intelligence is always in low-power consumption, and Intelligent key cannot wake smart lock up, cannot be applied in the application of some Long-distance Control door locks of following Smart Home.Also occurred in the market some support key Remote Wake Up intelligent lock systems, their principle is by the smart lock mode that in running order or fixed time interval is sampled always, monitors the request signal that Intelligent key sends over.But in fact, under normal service condition, the possibility of Intelligent key transmitted signal is smaller, and the mode that open at a direct-open or interval is the power consumptions of waste smart locks in a large number, the application life of reducing battery.Method of the present invention is a trunk module of design, and trunk module is the working method of in running order or interval sampling always, by trunk module, initiatively wakes intelligent lock system up, thereby realizes communicating by letter of Intelligent key and smart lock.Because trunk module is not subject to the restriction on the space of smart lock, it can be connected near the of smart lock and adopt civil power or jumbo powered battery, uses more convenient.Such system can effectively extend the working time of intelligent lock system itself, improves the competitiveness of smart lock product.
Summary of the invention
Purpose of design: receiving after the wake-up signal from Intelligent key by the trunk module in listening state, initiatively waking intelligent lock system the control device communicating and control method up by low frequency wake-up signal.
Design scheme: in order to realize above-mentioned purpose of design.The present invention is on modular design and Software for Design:
The invention discloses a kind of system architecture of Intelligent key Remote Wake Up smart lock, under non-operating mode, smart lock and Intelligent key, all under low-power consumption mode, only keep low frequency wake-up function, and trunk module is in running order all the time.At Intelligent key, initiate after remote unlocking order, send wake command and encrypt ID signal, in running order trunk module receives after signal, sends low frequency wake-up signal and wakes intelligent lock system up.After intelligent lock system is waken up, trunk module or Intelligent key send the ID of encryption, realize the communication of id information.Intelligent lock system by deciphering ID and with system in the ID that prestores compare, judge that its legitimacy determines whether to open the door again.
Technical scheme 1: described smart lock basic system at least comprises that main control module, high frequency receiver module, low frequency wake-up sending module, induction trigger module, motor driving and feedback module, remote wireless signals receiver module and long distance wireless wake receiver module up, wherein the main control module of smart lock connects motor driving and feedback module, and drive motors receives the signal of motor feedback on the other hand on the one hand; The low frequency signal output of lock main control module connects the input of low frequency wake-up sending module, sends wireless low frequency wake-up signal and wakes Intelligent key up; High frequency receiver module, by the high frequency sending module of wireless connections Intelligent key, receives high-frequency I D signal, and will after high-frequency signal demodulation, send to lock main control module; Induction trigger module connects lock main control module, and the close signal of induction human body, wakes smart lock up and authenticate; Long distance wireless wakes receiver module up and receives the wireless awakening order that trunk module sends, and wakes smart lock main control module up; Remote wireless signals receiver module sends to main control module by the high-frequency signal of the Remote Wake Up receiving, and by main control module, completes authentication.Described Intelligent key at least comprises: main control module, high frequency sending module, low frequency wake-up receiver module, and wherein low frequency wake-up receiver module receives the wireless low frequency signal that smart lock sends, and wakes Intelligent key main control module up after judgement wake-up signal is legal; Intelligent key main control module will send to high frequency sending module after ID data encryption; High frequency sending module sends wireless high-frequency signal, connects the high frequency receiver module of smart lock, realizes the communication of encrypting ID.Described trunk module comprises main control module, reception of wireless signals module, wireless awakening sending module and wireless signal sending module, wherein reception of wireless signals module receives the reception of wireless signals end that is sent to main control module after high-frequency signal by output, the input that wakes control signal transmitting terminal connection low frequency wake-up sending module up of main control module, the wireless signal transmitting terminal of main control module connects the input of wireless signal transmitting terminal; Described smart lock is in low power consumpting state in the situation that not being triggered, and trunk module is all the time in listening state; Trunk module receives the Intelligent key wake command likely occurring at any time in high frequency channel, and wake smart lock up by wireless remote, after this by Intelligent key or trunk module, the encryption ID signal for authenticating is sent to smart lock again, finally complete the verification process of unblanking of smart lock.Intelligent key is initiatively initiated after high-frequency signal by high frequency sending module, trunk module reception of wireless signals module is converted to data-signal by wireless signal and sends to main control module, and master control module controls wireless awakening sending module sends to smart lock wireless awakening signal.Smart lock wireless awakening receiver module is received after wake-up signal, wakes smart lock main control module up, and smart lock exits low-power consumption mode, prepares to receive high-frequency signal.Intelligent key can first be sent and be waken up control command by high frequency sending module, send again the ID encrypting, the main control module of trunk module receives after the wake command of legal form, receiving key high frequency send ID the interim buffer memory of the encryption of module transmission to encrypt ID, then by wireless awakening sending module, wake up after smart lock, finally the encryption ID of interim buffer memory is sent to smart lock remote wireless signals receiver module or high frequency receiver module by wireless signal sending module, after smart lock deciphering, according to its whether legal decision, whether notifies executing agency's opening door lock.Intelligent key also can first first send one by high frequency sending module and wake control command up, the main control module of trunk module receives after legal order, by wireless sending module, wake smart lock up, smart lock receives wake-up signal backed off after random low-power consumption mode and receives high-frequency signal; Intelligent key sends after wake command time delay a period of time and waits for after smart lock is waken up and again starting, by high frequency sending module, send the ID signal of encrypting, smart lock remote wireless signals receiver module or high frequency receiver module are deciphered after receiving and encrypting ID, and determine whether to notify execution architecture opening door lock according to the legitimacy of key.Intelligent key is first directly sent and is encrypted ID by high frequency sending module, the main control module of trunk module (only judges data packet format after receiving the packet of legal form, non-decrypting with authentication ID), first by the ID data buffer storage of encrypting, by wireless sending module, wake smart lock up, smart lock receives wake-up signal backed off after random low-power consumption mode and receives high-frequency signal; Trunk module is sent to smart lock remote wireless signals receiver module or high frequency receiver module by the encryption ID of interim buffer memory by wireless signal sending module, after smart lock deciphering, according to its whether legal decision, whether notifies executing agency's opening door lock.The high frequency receiver module of smart lock and remote wireless signals receiver module can adopt respectively independently wireless receiving module.The high frequency receiver module of smart lock and remote wireless signals receiver module can both unifications be also a wireless receiving module.The reception of wireless signals module of trunk module and wireless signal sending module, can adopt independently high-frequency model.The reception of wireless signals module of trunk module and wireless signal sending module, also can both share a high-frequency model, high-frequency model is operated under receiving mode always at ordinary times, only has after receiving the Remote Wake Up order of key transmission, just be converted to sending mode, and send encryption ID.The in the situation that of key and smart lock direct communication, the wireless signal sending module of trunk module does not need to realize.
Technical scheme 2: a kind of household Special smart lock, Intelligent key method of work, comprise that smart lock and Intelligent key are under original state, smart lock and Intelligent key are all in low power consumpting state, and trunk module is in running order; When human body contact triggers after induction module, lock main control module exits low-power consumption mode and sends the data of arranging by low frequency wake-up sending module and wakes Intelligent key up, after this smart lock enters the state of waiting for high-frequency data, Intelligent key in low frequency signal coverage wakes key main control module working procedure encryption ID up have legal data on the channel that listens to 125KHz after, then by high frequency sending module, sends; When Intelligent key returns after the ID of encryption by high frequency channel, the high frequency receiver module of smart lock will be received corresponding data, lock main control module utilizes identical key to be decrypted with regard to starting, ID after deciphering is stored in inner key and mates with joining by increasing, is driven with feedback module and is unblanked, otherwise just resend low frequency signal if match by motor, require Intelligent key again to retransmit ID, if the number of times of retransmitting reaches maximum value, stop sending, do not unblank.Under Remote Wake Up pattern, after Intelligent key is triggered, can adopt 3 kinds of method work.The first is that Intelligent key passes through high frequency sending module and can first send wake command and encrypt ID signal, the high-frequency signal receiver module of in running order trunk module receives after wake-up signal, receive ID signal interim buffer memory encryption ID that key sends, the wireless awakening receiver module that after this trunk module wakes smart lock up by wireless awakening sending module transmission low frequency wake-up signal wakes intelligent lock system up again.After intelligent lock system is waken up, trunk module sends to the ID of interim buffer memory the remote wireless signals receiver module of intelligent lock system by wireless signal sending module, and intelligent lock system finally judges the legitimacy of ID by the ID signal receiving by deciphering.Second method is that Intelligent key first sends a wake command by high frequency sending module, the high-frequency signal receiver module of in running order trunk module receives after wake-up signal, and the wireless awakening receiver module that wakes smart lock by wireless awakening sending module transmission wake command up wakes intelligent lock system up.After intelligent lock system is waken up, waits for and receive high-frequency data ID.Intelligent key is sent and is encrypted ID by high frequency sending module after time delay is waited for, smart lock finally judges the legitimacy of ID after receiving and encrypting ID signal by deciphering.The third method is that Intelligent key directly sends an effective ID, trunk module detects after the packet of legal form, think and likely have legal key to send Remote Wake Up request, so ID of first interim this encryption of buffer memory, first by wireless remote wake-up signal wakes smart lock, wake up after smart lock, then the encryption ID of interim buffer memory is sent to smart lock, complete the function of remote opening.
The present invention compares with background technology, can effectively reduce the operation power consumption of the smart lock that possesses remote unlocking function, thereby extends the battery of smart lock, improves the competitiveness of product.
Accompanying drawing explanation
The module frame chart of Fig. 1 smart lock, Intelligent key and trunk module.
Smart lock under Fig. 2 normal mode of operation, Intelligent key workflow.
The order of Fig. 3 trunk module buffer memory and encryption ID, wake rear trunk module up and forward the workflow of encrypting ID.
Fig. 4 trunk module receives wake command, wakes the workflow of rear Intelligent key and smart lock direct communication up.
Fig. 5 trunk module only buffer memory is encrypted ID, wakes rear trunk module up and forwards the workflow of encrypting ID.
Fig. 6 high frequency receiver module circuit theory diagrams.
Fig. 7 high frequency sending module circuit theory diagrams.
Fig. 8 high frequency transceiver module circuit theory diagrams.
Fig. 9 low frequency signal transtation mission circuit schematic diagram.
Figure 10 low frequency wake-up circuit theory diagrams.
The Remote Wake Up smart lock schematic diagram of Figure 11 based on independent high frequency receiver module.
Figure 12 is based on the multiplexing Remote Wake Up smart lock schematic diagram of high frequency receiver module.
Figure 13 is based on high frequency send and receive module trunk module schematic diagram independently.
The trunk module schematic diagram of Figure 14 based on the unified module of high frequency transmitting-receiving.
Specific embodiments
Embodiment 1: with reference to accompanying drawing 1-10.A kind of household Special smart lock system, comprise smart lock, Intelligent key and three parts of trunk module, described smart lock basic system at least comprises main control module 11, high frequency receiver module 12, low frequency wake-up sending module 13, induction trigger module 14, motor drives wakes receiver module 15 up with feedback module 16, remote wireless signals receiver module 18 and long distance wireless, wherein the main control module 11 of smart lock connects motor driving and feedback module 16, and drive motors receives the signal of motor feedback on the other hand on the one hand; The low frequency signal output of lock main control module 11 connects the input of low frequency wake-up sending module 13, sends wireless low frequency wake-up signal and wakes Intelligent key up; High frequency receiver module 12, by the high frequency sending module 24 of wireless connections Intelligent key, receives high-frequency I D signal, and will after high-frequency signal demodulation, send to lock main control module 11; Induction trigger module 14 connects lock main control module 11, and the close signal of induction human body, wakes smart lock up and authenticate; Long distance wireless wakes receiver module 15 up and receives the wireless awakening order that trunk module sends, and wakes smart lock main control module 11 up; Remote wireless signals receiver module 18 sends to main control module 11 by the high-frequency signal of the Remote Wake Up receiving, and by main control module, completes authentication.
Described Intelligent key at least comprises: main control module 21, high frequency sending module 24, low frequency wake-up receiver module 23, wherein low frequency wake-up receiver module 23 receives the wireless low frequency signal that smart lock sends, and wakes Intelligent key main control module 24 up after judgement wake-up signal is legal; Intelligent key main control module 24 will send to high frequency sending module 24 after ID data encryption; High frequency sending module 24 sends wireless high-frequency signal, connects the high frequency receiver module 12 of smart lock, realizes the communication of encrypting ID.
Described trunk module comprises main control module 31, reception of wireless signals module 32, wireless awakening sending module 33 and wireless signal sending module 34, wherein reception of wireless signals module 32 receives the reception of wireless signals end that is sent to main control module 31 after high-frequency signal by output, the input that wakes control signal transmitting terminal connection low frequency wake-up sending module 33 up of main control module 31, the wireless signal transmitting terminal of main control module 31 connects the input of wireless signal transmitting terminal 34;
Described smart lock is in low power consumpting state in the situation that not being triggered, and trunk module is all the time in listening state; Trunk module receives the Intelligent key wake command likely occurring at any time in high frequency channel, and wake smart lock up by wireless remote, after this by Intelligent key or trunk module, the encryption ID signal for authenticating is sent to smart lock again, finally complete the verification process of unblanking of smart lock.
Intelligent key is initiatively initiated after high-frequency signal by high frequency sending module 24, trunk module reception of wireless signals module 32 is converted to data-signal by wireless signal and sends to main control module 31, and main control module 31 is controlled wireless awakening sending module 33 and sent to smart lock wireless awakening signal.Smart lock wireless awakening receiver module 15 is received after wake-up signal, wakes smart lock main control module 15 up, and smart lock exits low-power consumption mode, prepares to receive high-frequency signal.
Intelligent key can first be sent and wake control command up by high frequency sending module 24, send again the ID encrypting, the main control module 31 of trunk module receives after the wake command of legal form, receiving key high frequency send ID the interim buffer memory of the encryption of module 24 transmissions to encrypt ID, then by wireless awakening sending module 33, wake up after smart lock, finally the encryption ID of interim buffer memory is sent to smart lock remote wireless signals receiver module 18 or high frequency receiver module 12 by wireless signal sending module 34, after smart lock deciphering, according to its whether legal decision, whether notify executing agency's opening door lock.
Intelligent key also can first first send one by high frequency sending module 24 and wake control command up, the main control module 31 of trunk module receives after legal order, by wireless sending module 33, wake smart lock up, smart lock receives wake-up signal backed off after random low-power consumption mode and receives high-frequency signal; Intelligent key sends after wake command time delay a period of time and waits for after smart lock is waken up and again starting, by high frequency sending module 24, send the ID signal of encrypting, smart lock remote wireless signals receiver module 18 or high frequency receiver module 12 are deciphered after receiving and encrypting ID, and determine whether to notify execution architecture opening door lock according to the legitimacy of key.
Intelligent key is first directly sent and is encrypted ID by high frequency sending module 24, the main control module of trunk module (only judges data packet format after receiving the packet of legal form, non-decrypting with authentication ID), first by the ID data buffer storage of encrypting, by wireless sending module 33, wake smart lock up, smart lock receives wake-up signal backed off after random low-power consumption mode and receives high-frequency signal; Trunk module is sent to smart lock remote wireless signals receiver module 18 or high frequency receiver module 12 by the encryption ID of interim buffer memory by wireless signal sending module 34, after smart lock deciphering, according to its whether legal decision, whether notifies executing agency's opening door lock.
High frequency receiver module 12 and the remote wireless signals receiver module 18 of smart lock can adopt respectively independently wireless receiving module.
High frequency receiver module 12 and the remote wireless signals receiver module 18 of smart lock can both unifications be also a wireless receiving module.
Reception of wireless signals module 32 and the wireless signal sending module 34 of trunk module, can adopt independently high-frequency model.
Reception of wireless signals module 32 and the wireless signal sending module 34 of trunk module, also can both share a high-frequency model, high-frequency model is operated under receiving mode always at ordinary times, only has after receiving the Remote Wake Up order of key transmission, just be converted to sending mode, and send encryption ID.
The in the situation that of key and smart lock direct communication, the wireless signal sending module 34 of trunk module does not need to realize.
Embodiment 2: on the basis of embodiment 1, and the method for work of a kind of household Special smart lock, Intelligent key, trunk module, the workflow under smart lock and Intelligent key normal mode of operation is as shown in Figure 2.Under original state, smart lock and Intelligent key are all in low power consumpting state, when human body contact triggers after induction module 14, trigger induction module 14 and send a signal to lock main control module 11, lock main control module 11 exit low-power consumption mode and by low frequency wake-up sending module 13(schematic diagram as Fig. 9) data of send arranging wake Intelligent key up, after this smart lock enters the state of waiting for high-frequency data, lock main control module 11 is opened high frequency receiver module 12 and is monitored and comes from the data on high frequency channel, in this simultaneously, Intelligent key in low frequency signal coverage is under low-power consumption mode, only have low frequency wake-up receiver module 23(schematic diagram as shown in figure 10) in listening state, after having data to send on the channel that listens to 125KHz, enter the data on data receiving state receive channel, key main control module 21 can need for the configuration of low frequency wake-up receiver module the data message of coupling, if the data message receiving is identical with the data of previously having set, need to notify key main control module 21 to have action need to carry out, otherwise just do not notify key main control module 21 to keep low power consumpting state, key main control module 21 is after receiving the signal of low frequency wake-up receiver module, and working procedure is encrypted ID, then by high frequency sending module 24, sends, when Intelligent key returns after the ID of encryption by high frequency channel, the high frequency receiver module 12 of smart lock will be received corresponding data, lock main control module 11 utilizes identical key to be decrypted with regard to starting, ID after deciphering is stored in inner key and mates with joining by increasing, if match, by motor, drive with feedback module 16 and unblank, otherwise just resend low frequency signal, requiring Intelligent key again to retransmit ID(reason is that high frequency channel may have interference, send unsuccessful), if the number of times of retransmitting reaches maximum value, stop sending, do not unblank.The AES of described key main control module 21 is rolling code, or AES, des encryption algorithm, and each key of the key of encryption is unique.
Smart lock, Intelligent key and the trunk module workflow under remote unlocking mode of operation has 3 kinds of embodiment.
Example 1: workflow as shown in Figure 3.Under original state, smart lock and Intelligent key are all in low power consumpting state, and trunk module is in running order; When user starts after remote unlocking function by button, Intelligent key sends high frequency wake command by high frequency sending module 24, after this wireless receiving module 32 of trunk module receives the wake command (command format is self-defined by producer) of legal form, after this waits for that Intelligent key sends encryption ID.When trunk module receives after the encryption ID of key transmission, interim buffer memory is encrypted ID.Trunk module sends wireless low frequency Remote Wake Up signal to the long distance wireless wake module 15 of smart lock by wireless low-frequency wakening module 33, and after this intelligent lock system is waken up, and prepares to receive encryption ID.After this trunk module sends to intelligent lock system by the encryption ID of interim buffer memory.The core essence of this method is that Intelligent key can directly send wake command and encrypt ID, by trunk module, receives rear interim buffer memory, wakes smart lock up and forward by trunk module to forward the encryption ID being sent by Intelligent key.
Example 2: workflow as shown in Figure 4.Under original state, smart lock and Intelligent key are all in low power consumpting state, and trunk module is in running order; When user starts after remote unlocking function by button, Intelligent key sends high frequency wake command by high frequency sending module 24, the wireless receiving module 32 of trunk module receives the wake command (command format is self-defined by producer) of legal form, and after this Intelligent key enters time delay wait state.When trunk module receives after key Remote Wake Up order.Trunk module sends wireless low frequency Remote Wake Up signal to the long distance wireless wake module 15 of smart lock by wireless low-frequency wakening module 33, and after this intelligent lock system is waken up, and prepares to receive encryption ID.Intelligent key that time delay wait timeout exits sends the ID signal of encrypting, and after this smart lock has just been received the encryption ID that key sends, and can open or opening door lock not by validity checking.The core essence of this method is that trunk module only receives the startup command being sent by Intelligent key, and then trunk module wakes smart lock up, and by realizing the method for communicating by letter between Intelligent key and smart lock.Under this mode of operation, because not forwarding high frequency, trunk module do not encrypt ID, so just do not need to realize wireless signal sending module.
Example 3: workflow as shown in Figure 5.Under original state, smart lock and Intelligent key are all in low power consumpting state, and trunk module is in running order; When user starts by button after remote unlocking function, Intelligent key is directly sent and is encrypted ID by high frequency sending module 24, and after this wireless receiving module 32 of trunk module receives the encrypted ID data of legal form.This encrypts ID the interim buffer memory of trunk module.After this trunk module sends wireless low frequency Remote Wake Up signal to the long distance wireless wake module 15 of smart lock by wireless low-frequency wakening module 33, and intelligent lock system is waken up, and prepares to receive encryption ID.Trunk module sends to intelligent lock system by the encryption ID of interim buffer memory.The core essence of this method is that Intelligent key is not initiated Remote Wake Up order and directly sent and encrypt ID, first wakes smart lock up, and the encryption ID of interim buffer memory is sent to smart lock by trunk module after being received.
Furtherly, in the system of the disclosed smart lock of the application, Intelligent key and trunk module, comprise smart lock, Intelligent key and three main subsystems of trunk module, three is realized and communicating by letter with high frequency channel by low frequency, reaches low-power consumption and wakes the target mutual with key ID up.As shown in Figure 1, the module of smart lock part mainly comprises that lock main control module 11, high frequency accept that module 12, low frequency wake-up sending module 13, induction trigger module 14, long distance wireless are waken receiver module 15 up, motor drives and feedback module 16, powered battery module 17, remote wireless signals receiver module 18 and LED light 19 to intelligent lock system.Wherein lock main control module 11 and can adopt low-power scm (as PIC16F1937), by programming is realized encrypting the deciphering of ID and the scheduling of system and control, it is the control centre of smart lock.The id information of the key that the legal increasing of target program and smart lock is joined is all kept in the non-volatile memory (as EEPROM, FLASH etc.) of lock main control module 11, can only be written into and can not be read out to guarantee safety.High frequency receiver module 12 adopts superhet or superregenerative HF receiver to realize, and frequency can be selected the free legitimate channels such as 315MHz or 433MHZ, and the modulation system of signal can be selected FSK.Low frequency sending module 13 can send by LC oscillating circuit the low frequency signal of 125KHz, and modulation system is FSK.Induction trigger module 14 can be designed to the trigger device of the low-power consumption such as button form, infrared induction and capacitance touch induction, sends low level notice lock main control module 11 and start working after the triggering that senses human body.Long distance wireless wakes receiver module 15 up and adopts low-frequency antenna induction antennas (as triaxial antennas, 1 dimension antenna) and low frequency induction chip (AS3932 as micro-in Austria), the low frequency signal of the 125K that reception is sended over by the wireless awakening sending module 33 of trunk module.It is motor special driving chip (as L9110) that motor drives with feedback module 16, the control signal of lock main control module 11 outputs is converted to large driven current density gate lock actuator and opens or closes, the state of its feedback signal notice lock main control module 11 door locks.Powered battery module 17 provides Power supply for system.Remote wireless signals receiver module 18 is the high-frequency model of general in the market superhet or superregenerative various frequency range (315/433/868/915MHz or 2.4G).LED lamp is used to indicate the information such as current state of legal state and the door-locking system of key, can comprise one or more LED lamps.Intelligent key mainly comprises key main control module 21, powered battery module 22, low frequency wake-up receiver module 23, high frequency sending module 24, key-press module 25 and LED light 26.Main control module is programmable single-chip microcomputer (as PIC16F639), and it is responsible for the control to the encryption of ID and key system.The ID of its program and key is also stored in the non-volatile memory inside of chip internal, can only write and can not read.Battery module 22 is responsible for the power supply of Intelligent key.Low frequency wake-up receiver module 23 is responsible for receiving the low frequency signal that comes from the 125KHz that smart lock sends, and the low frequency signal of 125KHz is realized to demodulation, so that key main control module 21 is realized corresponding operation according to receiving data.High frequency receiver module 12 complementations of high frequency transmission 24 and smart lock, adopt the disclosed channels such as 315/433/868/915MHz or 2.4G equally, and modulating mode is FSK, for sending the id information of encryption.Key-press module 25 is touch switch, and in order to receive user's key information, it sends to case signal in key main control module 21, to realize relevant operation.LED light 26 use and indicating intelligent key duty, as send effectively, button enables etc.Trunk module comprises main control module 31, reception of wireless signals module 32, wireless awakening sending module 33, wireless signal sending module 34.Main control module 31 adopts the single-chip microcomputer with program capability as (PIC1937), and program can be stored in single-chip microcomputer inside, also can adopt special-purpose memory chip.Reception of wireless signals module 32 and wireless signal sending module 34 all can adopt superregenerative or the superhet wireless module of industrywide standard, and both can independent design also can share hardware resource, by main control module, are switched and are received and send two kinds of modules.Wireless awakening sending module 33 is identical with the low frequency wake-up sending module of smart lock, adopts LC oscillating circuit to send the low frequency signal of 125KHz, and modulation system is FSK.
The high frequency receiver module 12 of smart lock disclosed by the invention can adopt 2 kinds of embodiments.The first embodiment is that smart lock designs two independently wireless high-frequency signal receiving modules, as shown in figure 11.Two high-frequency models all adopt superhet or the superregenerative wireless module of the industrywide standard of same frequency.Main control module 11, under normal use pattern, when smart lock is triggered after module triggers, is opened high frequency receiver module 12 and is received and encrypt ID, and now the remote wireless signals receiver module 18 of smart lock is always in accepting state but do not receive data.After smart lock is by Remote Wake Up, main control module 11 selects remote wireless signals receiver module 18 to receive the high-frequency I D signal of encryption, closes high frequency receiver module 18.The second embodiment is that the high frequency receiver module 12 of smart lock receives 18 shared high frequency receiver modules with remote wireless signals, as shown in figure 12.Be in intelligent lock system, only to realize 1 high frequency receiver module.Under triggered as normal pattern, smart lock master control 11 modules receive enciphered data by this high-frequency model, and under Remote Wake Up pattern, master control 11 modules of smart lock still receive enciphered data by this high-frequency model.Remote wireless signals receiver module 18 is that intelligent lock is necessary for Remote Wake Up function.
Reception of wireless signals module 32 and the wireless signal sending module 34 of trunk module disclosed by the invention have two kinds of embodiments.In the first embodiment (as shown in figure 13), on trunk module, design 2 high-frequency models, a high-frequency model is used for receiving high-frequency signal, and reception of wireless signals module 32, another high-frequency model is used for sending high-frequency signal, and wireless signal sending module 34.Main control module 31 is the data on monitoring wireless receiver module 32 all the time, if legal data format detected, start in wireless signal sending module 34(inoperative situation in low-power consumption mode), and send the wireless ID signal of high frequency of encrypting.In the second embodiment (as shown in figure 14), two block mergings are a physical hardware module, main control module 31 is operated in receiving mode controlling this high-frequency model at ordinary times, after receiving Remote Wake Up signal, control this high-frequency model and enter sending mode, by this module, send the ID encrypting.
Fig. 6 has provided the high frequency receiver module schematic diagram that current industry is general, and Fig. 7 has provided the high frequency sending module schematic diagram that current industry is general, and Fig. 8 has provided 868/915MHz high frequency reception/sending module that current industry is general.
It is to be understood that: although above-described embodiment is to the mentality of designing of the present invention detailed text description of contrasting; but these text descriptions; just the simple text of mentality of designing of the present invention is described; rather than the restriction to mentality of designing of the present invention; any combination, increase or modification that does not exceed mentality of designing of the present invention, all falls within the scope of protection of the present invention.
Claims (10)
1. the low power-consumption intelligent of Remote Wake Up lock, comprises smart lock, Intelligent key and trunk module, it is characterized in that:
Described smart lock at least comprises main control module (11), high frequency receiver module (12), low frequency wake-up sending module (13), induction trigger module (14), motor drives wakes receiver module (15) up with feedback module (16), remote wireless signals receiver module (18) and long distance wireless, wherein the main control module of smart lock (11) signal end drives and is connected and bidirectional data exchange with the signal end of feedback module (16) with motor, and main control module (11) one side drive motors receives the signal of motor feedback on the other hand; The low frequency signal output of lock main control module (11) connects the input of low frequency wake-up sending module (13), sends wireless low frequency wake-up signal and wakes Intelligent key up; High frequency receiver module (12), by the high frequency sending module (24) of wireless connections Intelligent key, receives high-frequency I D signal, and will after high-frequency signal demodulation, send to lock main control module (11); Induction trigger module (14) connects lock main control module (11), and the close signal of induction human body, wakes smart lock up and authenticate; Long distance wireless wakes receiver module (15) up and receives the wireless awakening order that trunk module sends, and wakes smart lock main control module (11) up; Remote wireless signals receiver module (18) sends to main control module (11) by the high-frequency signal of the Remote Wake Up receiving, and by main control module, completes authentication;
Described Intelligent key at least comprises: main control module (21), high frequency sending module (24), low frequency wake-up receiver module (23), wherein low frequency wake-up receiver module (23) receives the wireless low frequency signal that smart lock sends, and wakes Intelligent key main control module (21) up after judgement wake-up signal is legal; Intelligent key main control module (24) will send to high frequency sending module (24) after ID data encryption; High frequency sending module (24) sends wireless high-frequency signal, connects the high frequency receiver module (12) of smart lock, realizes the communication of encrypting ID;
Described trunk module comprises main control module (31), reception of wireless signals module (32), wireless awakening sending module (33) and wireless signal sending module (34), wherein reception of wireless signals module (32) receives the reception of wireless signals end that is sent to main control module (31) after high-frequency signal by output, the input that wakes control signal transmitting terminal connection low frequency wake-up sending module (33) up of main control module (31), the wireless signal transmitting terminal of main control module (31) connects the input of wireless signal transmitting terminal (34);
Described smart lock is in low power consumpting state in the situation that not being triggered, and trunk module is all the time in listening state; Trunk module receives the Intelligent key wake command likely occurring at any time in high frequency channel, and wake smart lock up by wireless remote, after this by Intelligent key or trunk module, the encryption ID signal for authenticating is sent to smart lock again, finally complete the verification process of unblanking of smart lock.
2. household Special smart lock, Intelligent key and trunk module according to claim 1, it is characterized in that: Intelligent key is initiatively initiated after high-frequency signal by high frequency sending module (24), trunk module reception of wireless signals module (32) is converted to data-signal by wireless signal and sends to main control module (31), and main control module (31) is controlled wireless awakening sending module (33) and sent to smart lock wireless awakening signal;
Smart lock wireless awakening receiver module (15) is received after wake-up signal, wakes smart lock main control module (15) up, and smart lock exits low-power consumption mode, prepares to receive high-frequency signal.
3. according to claim 1, household Special smart lock system described in 2, it is characterized in that: Intelligent key can first be sent and wake control command up by high frequency sending module (24), send again the ID encrypting, the main control module of trunk module (31) receives after the wake command of legal form, receiving key high frequency send ID the interim buffer memory of the encryption of module (24) transmission to encrypt ID, then by wireless awakening sending module (33), wake up after smart lock, finally the encryption ID of interim buffer memory is sent to smart lock remote wireless signals receiver module (18) or high frequency receiver module (12) by wireless signal sending module (34), after smart lock deciphering, according to its whether legal decision, whether notify executing agency's opening door lock.
4. according to the household Special smart lock system described in claim 1,2, it is characterized in that: Intelligent key also can first first send one by high frequency sending module (24) and wake control command up, the main control module of trunk module (31) receives after legal order, by wireless sending module (33), wake smart lock up, smart lock receives wake-up signal backed off after random low-power consumption mode and receives high-frequency signal; Intelligent key sends after wake command time delay a period of time and waits for after smart lock is waken up and again starting, by high frequency sending module (24), send the ID signal of encrypting, smart lock remote wireless signals receiver module (18) or high frequency receiver module (12) are deciphered after receiving and encrypting ID, and determine whether to notify execution architecture opening door lock according to the legitimacy of key.
5. according to the household Special smart lock system described in claim 1,2, it is characterized in that: Intelligent key is first directly sent and encrypted ID by high frequency sending module (24), the main control module of trunk module (only judges data packet format after receiving the packet of legal form, non-decrypting with authentication ID), first by the ID data buffer storage of encrypting, by wireless sending module (33), wake smart lock up, smart lock receives wake-up signal backed off after random low-power consumption mode and receives high-frequency signal; Trunk module is sent to smart lock remote wireless signals receiver module (18) or high frequency receiver module (12) by the encryption ID of interim buffer memory by wireless signal sending module (34), after smart lock deciphering, according to its whether legal decision, whether notifies executing agency's opening door lock.
6. household Special smart lock system according to claim 1, is characterized in that: the high frequency receiver module (12) of smart lock can adopt respectively independently wireless receiving module with remote wireless signals receiver module (18).
7. household Special smart lock system according to claim 1, is characterized in that: the high frequency receiver module (12) of smart lock can both unifications be a wireless receiving module with remote wireless signals receiver module (18).
8. household Special smart lock system according to claim 1, is characterized in that: the reception of wireless signals module (32) of trunk module and wireless signal sending module (34), can adopt independently high-frequency model.
9. according to the household Special smart lock system described in claim 1,4, it is characterized in that: the reception of wireless signals module (32) of trunk module and wireless signal sending module (34), can both share a high-frequency model, high-frequency model is operated under receiving mode always at ordinary times, only have after receiving the Remote Wake Up order of key transmission, just be converted to sending mode, and send encryption ID.
10. according to the household Special smart lock lock system shown in claim 4, it is characterized in that: the in the situation that of key and smart lock direct communication, the wireless signal sending module (34) of trunk module does not need to realize.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210178431.8A CN102654003B (en) | 2012-06-01 | 2012-06-01 | Low power consumption remote awakening intelligent lock system |
| PCT/CN2013/075289 WO2013178007A1 (en) | 2012-06-01 | 2013-05-08 | Intelligent lock, intelligent key and control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210178431.8A CN102654003B (en) | 2012-06-01 | 2012-06-01 | Low power consumption remote awakening intelligent lock system |
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| CN102654003A CN102654003A (en) | 2012-09-05 |
| CN102654003B true CN102654003B (en) | 2014-09-10 |
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| CN201210178431.8A Expired - Fee Related CN102654003B (en) | 2012-06-01 | 2012-06-01 | Low power consumption remote awakening intelligent lock system |
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| WO2013178007A1 (en) * | 2012-06-01 | 2013-12-05 | 杭州双华智能家居有限公司 | Intelligent lock, intelligent key and control method |
| CN103971438A (en) * | 2014-05-26 | 2014-08-06 | 阮宏鸣 | Intelligent lock system based on high-frequency antenna feature judgment |
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| CN105141414A (en) * | 2015-09-06 | 2015-12-09 | 丹阳伦图电子技术有限公司 | Electronic paper based dynamic password device and realizing method thereof |
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| CN107097753B (en) * | 2017-05-02 | 2020-01-31 | 大陆汽车电子(长春)有限公司 | Vehicle smart key system and method for verifying vehicle smart key |
| EP3432276A1 (en) * | 2017-07-19 | 2019-01-23 | KONE Corporation | Wake-up procedure for a bluetooth smart lock |
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