CN207752550U - A kind of smart lock low-power consumption standby circuit - Google Patents
A kind of smart lock low-power consumption standby circuit Download PDFInfo
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- CN207752550U CN207752550U CN201820194299.2U CN201820194299U CN207752550U CN 207752550 U CN207752550 U CN 207752550U CN 201820194299 U CN201820194299 U CN 201820194299U CN 207752550 U CN207752550 U CN 207752550U
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Abstract
The utility model is related to a kind of smart lock low-power consumption standby circuits, including processor, fingerprint touch-control module, fingerprint module, motor drive module, mechanical lock, power module, keyboard touch-control module, Keysheet module, first power-supply controller of electric, second source controller, power module respectively with the first power-supply controller of electric, second source controller connects, first power-supply controller of electric respectively with fingerprint touch-control module, keyboard touch-control module, processor connects, processor one end respectively with fingerprint touch-control module, keyboard touch-control module connects, the other end is connect with second source controller, second source controller one end is connected with processor, the other end respectively with fingerprint module, Keysheet module, motor drive module connects, fingerprint module, Keysheet module is connect with motor drive module respectively.The utility model can be waken up by touch fingerprint touch-control module, touch keyboard touch-control module it is standby in smart lock, to improve its intelligent and feature of environmental protection.
Description
Technical field
The utility model is related to low-power consumption standby technical fields, and in particular to a kind of smart lock low-power consumption standby circuit.
Background technology
With the rapid development of microelectric technique, smart lock gradually substitutes biography as advantage using higher safety, convenience
The mechanical structure of system is locked.Existing smart lock is locked especially with battery powered fingerprint intelligent, and standby current is both greater than 30uA,
It is short that battery is allowed in this way, just needs to change battery within general 6-8 months.
Existing some low-power consumption fingerprint intelligents lock, by the way that low power consumption control device module is arranged, such as application No. is
A kind of fingerprint safety device of vehicle and control circuit, remote control control circuit of CN200920351961.1 includes power management mould
Block, finger induction module, the finger print acquisition module for acquiring initiator's fingerprint, image processing module and main control module, finger
Induction module includes the induction coat of metal, and induction sensitivity adjusts capacitance and capacitance touch induced key chip, incudes metal
Above the fingerprint collecting screen that coating is arranged on finger print acquisition module.When finger is located at the top of the induction coat of metal, induction gold
Belong to coating and sense the presence of finger, send the power supply of signal enabling finger print acquisition module and image processing module, induction less than
The presence of finger, finger print acquisition module and image processing module power supply are closed, and are in standby.
But other than existing fingerprint intelligent lock is unlocked except through fingerprint collecting and comparison, password can also be passed through
Button is unlocked, and when fingerprint can not be compared, can be unlocked by inputting password on keyboard, be improved unlocking
Reliability.Therefore, only near finger print acquisition module be arranged finger induction module, can only using fingerprint comparison mode into
Row waken up in the case of unlocking it is standby in finger print acquisition module and image processing module, but opened using password key mode
It can not then be waken up in the case of lock.
Utility model content
The utility model is in order to overcome at least one defect described in the above-mentioned prior art（It is insufficient）, a kind of smart lock is provided
Low-power consumption standby circuit, not only can be by touch fingerprint touch-control module, but also can be waken up by touch keyboard touch-control module standby
In motor drive module, fingerprint module, Keysheet module, to improve the intelligent and feature of environmental protection of smart lock.
To realize the purpose of this utility model, it is achieved using following technical scheme：
A kind of smart lock low-power consumption standby circuit, including the driving of processor U2, fingerprint touch-control module, fingerprint module, motor
Module, mechanical lock, power module, keyboard touch-control module, Keysheet module, the first power-supply controller of electric, second source controller, electricity
Source module is connect with the first power-supply controller of electric, second source controller respectively, the first power-supply controller of electric respectively with fingerprint touch-control mould
Block, keyboard touch-control module, processor U2 connections, the one end processor U2 are connect with fingerprint touch-control module, keyboard touch-control module respectively,
The other end is connect with second source controller, and second source controller one end is connected with processor U2, the other end respectively with fingerprint
Module, Keysheet module, motor drive module connection, fingerprint module, Keysheet module are connect with motor drive module respectively, and motor drives
Dynamic model block is connect with mechanical lock.
Whether fingerprint touch-control module can touch fingerprint module with finger sensing, and decides whether to send according to induced junction fruit and believe
Number to processor U2；Keyboard touch-control module can with finger sensing whether touch control keyboard module, and decided whether according to induced junction fruit
Send a signal to processor U2；Processor U2 can be with according to whether receive fingerprint touch-control module, keyboard touch-control module is sent
Signal controls whether power module is fingerprint module, Keysheet module, motor drive module power supply by second source controller.
When fingerprint touch-control module does not sense that finger touches fingerprint module, while keyboard touch-control module does not also incude
When touching Keysheet module to finger, fingerprint touch-control module or keyboard touch-control module will not send a signal to processor U2, processing
It is fingerprint module that device U2 controls power module not by second source controller, Keysheet module, motor drive module are powered, at this time
Fingerprint module, Keysheet module, the motor drive module of dead electricity are in standby.And fingerprint module, Keysheet module, motor drive
Module is the component that electricity consumption is larger in smart lock, therefore can save more electricity, to improve the environmental protection of smart lock
Property.
When fingerprint touch-control module senses that finger touches fingerprint module or keyboard touch-control module senses that finger touches
When Keysheet module, fingerprint touch-control module or keyboard touch-control module can transmit a signal to processor U2, and processor U2 passes through the second electricity
Controller control power module in source is fingerprint module, Keysheet module, motor drive module power supply, obtain at this time electricity fingerprint module,
Keysheet module, motor drive module are waken up from standby mode and are in working condition.Finger is either placed on fingerprint mould by user
Block, or on Keysheet module, fingerprint module, Keysheet module, the motor drive module just in standby can be waken up, to
Improve the intelligent of smart lock.
Fingerprint module, Keysheet module, motor drive module are waken up when being in working condition, and user can pass through fingerprint ratio
Pair or cryptographic check unlock.When being unlocked using fingerprint comparison, fingerprint module acquisition fingerprint simultaneously carries out fingerprint comparison
Afterwards, comparison result is sent to motor drive module；When being unlocked using cryptographic check, password is inputted simultaneously on Keysheet module
After carrying out password veritification, result will be veritified and be sent to motor drive module；Motor drive module is sent further according to fingerprint module
The veritification result driving mechanical lock that comparison result or Keysheet module are sent opens or closes.
After fingerprint module, Keysheet module, motor drive module are waken up, when finger is placed in fingerprint module by user,
Fingerprint module acquires the fingerprint of the finger, and is compared with the fingerprint of internal preset, when comparing consistent, motor drive module
Mechanical lock is driven to unlock, otherwise mechanical lock is still within locking state.Or when user inputs password in Keysheet module,
Keysheet module veritifies the password of password and internal preset that user is inputted, and when veritifying correct, motor drive module drives
Dynamic mechanical lock is unlocked, and otherwise mechanical lock is still within locking state.
Further, the fingerprint touch-control module includes the inductor U5 being connected with each other, fingerprint touch induction lines, inductor
U5 is connected with processor, the first energy supply control module respectively；The fingerprint module includes the fingerprint collecting screen being connected with each other, fingerprint
Processor, fingerprint processor are connect with motor drive module, second source controller respectively, the fingerprint touch induction lines setting
In the surrounding of fingerprint collecting screen.
Fingerprint collecting screen can acquire the finger print image being placed on it, and collected finger print image is sent out
It being sent in fingerprint processor, the image is compared fingerprint processor with the finger print image of internal preset, if basic one
It causes, motor drive module will drive mechanical lock to complete to unlock.
When the finger of user is placed on fingerprint collecting screen, when being ready to pass through fingerprint comparison and being unlocked, setting is adopted in fingerprint
The fingerprint touch induction lines of collection screen surrounding can sense the touching of finger, and inductor U5 internal circuits connected to it is made to change
Become, processor detects the change of inductor U5 internal circuits, will send a signal to second source controller, second source control
Device control power module processed is fingerprint module, Keysheet module, motor drive module power supply.
Further, the keyboard touch-control module includes the inductor U4 being connected with each other, keyboard touch induction lines, the sense
Device U4 is answered to be connected respectively with processor, the first energy supply control module；The Keysheet module includes the cipher processor being connected with each other
With multiple buttons, the cipher processor is connect with motor drive module, second source controller respectively, the keyboard touch-control sense
Answer line that the surrounding in button is set.
User can input password by multiple buttons, and the password inputted can be sent in cipher processor, at password
Reason device veritifies the password of the password inputted and internal preset, if veritifying correctly, motor drive module will driving machine
Tool lock body is completed to unlock.
When the finger of user is placed on button, when being ready to pass through password veritification and being unlocked, it is arranged in button surrounding
Keyboard touch induction lines can sense the touching of finger, and the internal circuit of inductor U4 connected to it is made to change, processing
Device detects the change of inductor U4 internal circuits, will send a signal to second source controller, second source controller control
Power module processed is fingerprint module, Keysheet module, motor drive module power supply.
Further, the circuit further includes voice module and/or display screen, the voice module, display screen respectively with
Second source controller connects.
Voice module can play the prompt tone for instructing user to unlock；Display screen can show the current shape of smart lock
State is to be in unlocking condition or locking state, can also hide display password input by user.
When finger is placed on fingerprint module or Keysheet module by user, fingerprint touch-control module or keyboard touch-control module can be sent
For signal to processor, processor U2, which then controls second source controller, allows power module to be that voice module and/or display screen supply
Electricity obtains the voice module of electricity at this time, display screen is waken up from standby mode and is in working condition.Finger is not placed on finger by user
When line module or Keysheet module, voice module, display screen can save more electricity all in standby mode, to
Further increase the feature of environmental protection of smart lock.
Further, the circuit further includes network communication module and/or face recognition module, the network communication mould
Block, face recognition module are connect with second source controller, motor drive module respectively.
Network communication module can make user's remote control smart lock.Testing for identity is carried out by user's SmartClient
Card, and verification result is sent remotely to network communication module, network communication module remotely receives the verification result and will verification
As a result it is sent to motor drive module, motor drive module drives mechanical lock to open or close according to verification result.
Face recognition module can make user pass through recognition of face to control smart lock.Face recognition module captures facial image
Image comparison is carried out, comparison result is sent to motor drive module, motor drive module drives mechanical lock according to comparison result
Body opens or closes.
Further, first power-supply controller of electric is low pressure difference linear voltage regulator U1.
Further, the second source controller is low pressure difference linear voltage regulator U3.
Low pressure difference linear voltage regulator is the very low miniature system on chip of a consumable, it can be used for the control of electric current main channel,
The mosfet with conducting resistance on extremely low line is integrated on chip, Schottky diode, sample resistance and divider resistance etc. are hard
Part circuit, and have the function of overcurrent protection, overheat protector, accurate a reference source, difference amplifier, delayer etc..Using low voltage difference
Whether linear voltage regulator can not only receive signal deciding according to input terminal, and whether output end exports required power supply, but also can reach
The feature of environmental protection requirement of low-power consumption.
Further, the processor U2 is STM32L family chips.
STM32L family chips are the super low-power consumption products based on CORTEX M0+, non-due to its extremely low power consumption characteristics
Often it is adapted for use with battery powered or is taken on the products applications such as electricity by environment.Processor U2 uses the STM32L systems of low-power consumption
Row chip can meet wanting for the feature of environmental protection when being in standby in fingerprint module, Keysheet module, motor drive module etc.
It asks.
Further, the inductor U4, inductor U5 are BS81xA-x family chips.
BS81xA-x family chips can incude the touch action of human hand, and internal circuit can automatically make environmental turbulence
Correction, strengthens the correctness of touch detection.Because BS81xA-x series inductor average consumption streams only have 5uA, power consumption
It is relatively low, the requirement of the feature of environmental protection can be met when being in standby in fingerprint module, Keysheet module, motor drive module etc..
Further, the low pressure difference linear voltage regulator U1, low pressure difference linear voltage regulator U3 be ADP160 chips or
ADP161 chips.
Output switch is equipped in ADP160 chips or ADP161 chips, it, can be by output loading electricity when being in standby
Discharge capacitor is to 0V, and ADP160 chips or ADP161 chips only draw 560nA electric currents when non-loaded（Representative value）, full load
When draw 42 μ A quiescent currents（Representative value）, therefore there is ultra low quiescent current and outstanding power supply rejection performance, it can extend
The service life of battery, especially in standby mode.
Compared with prior art, the advantageous effect of technical solutions of the utility model is：
（1）By the way that fingerprint touch-control module, keyboard touch-control module is arranged simultaneously, user can be allowed no matter to be opened using fingerprint
Lock, or use password unlocking, can easily wake up it is standby in smart lock, carry out unlocking operation, improve smart lock
It is intelligent；
（2）When that need not unlock, the main power-consuming component of smart lock, such as motor drive module, fingerprint module, keyboard mould
Block etc. can save more electricity all in the standby mode of dead electricity, improve the feature of environmental protection of smart lock.
Description of the drawings
Fig. 1 is the composition frame chart of the utility model embodiment.
Fig. 2 is the circuit diagram of the utility model embodiment.
Specific implementation mode
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；
In order to more preferably illustrate that the present embodiment, the certain components of attached drawing have omission, zoom in or out, actual product is not represented
Size；
To those skilled in the art, it is to be appreciated that certain known features and its explanation, which may be omitted, in attached drawing
's.
In the description of the present invention, it should be understood that in addition, term " first ", " second " are only used for description mesh
, it is not understood to indicate or imply relative importance or implies the quantity of indicated technical characteristic.It limits as a result,
One or more this feature can be expressed or be implicitly included to the feature of " first ", " second ".In retouching for the utility model
In stating, unless otherwise indicated, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also be to be indirectly connected with by intermediary, it can be with
Say the connection inside two elements.For the ordinary skill in the art, it can understand that above-mentioned term exists with concrete condition
The concrete meaning of the utility model.
The technical solution of the utility model is described further with reference to the accompanying drawings and examples.
Embodiment
As shown in Figure 1, a kind of smart lock low-power consumption standby circuit, including processor U2, fingerprint touch-control module 11, keyboard touch
Control module 12, fingerprint module 31, Keysheet module 32, motor drive module 33, mechanical lock 4, power module 5, the first power supply control
Device 21 processed, second source controller 22, power module 5 are connect with the first power-supply controller of electric 21, second source controller 22 respectively,
First power-supply controller of electric 21 is connect with fingerprint touch-control module 11, keyboard touch-control module 12, processor U2 respectively, processor U2 mono-
End is connect with fingerprint touch-control module 11, keyboard touch-control module 12 respectively, and the other end is connect with second source controller 22, the second electricity
Controller 22 one end in source is connected with processor U2, the other end respectively with fingerprint module 31, Keysheet module 32, motor drive module 33
Connection, fingerprint module 31, Keysheet module 32 are connect with motor drive module 33 respectively, motor drive module 33 and mechanical lock 4
Connection.
Whether fingerprint touch-control module 11 can touch fingerprint module 31 with finger sensing, and decide whether to send out according to induced junction fruit
The number of delivering letters is to processor U2；Keyboard touch-control module 12 can with finger sensing whether touch control keyboard module 32, and according to induction result
Decide whether to send a signal to processor U2；Processor U2 can be with according to whether receive fingerprint touch-control module 11, keyboard touch-control
Module 12 send signal by second source controller 22 control power module 5 whether be fingerprint module 31, Keysheet module 32,
Motor drive module 33 is powered.
When fingerprint touch-control module 11 does not sense that finger touches fingerprint module 31, while keyboard touch-control module 12 does not have yet
When having induction finger in one's hands to touch Keysheet module 33, fingerprint touch-control module 11 or keyboard touch-control module 12 will not send a signal to place
Device U2 is managed, it is fingerprint module 31, Keysheet module 32, electricity that processor U2 controls power module 5 not by second source controller 22
Machine drive module 33 is powered, and fingerprint module 31, Keysheet module 32, the motor drive module 33 of dead electricity are in standby at this time.
And fingerprint module 31, Keysheet module 32, motor drive module 33 are the components that electricity consumption is larger in smart lock, therefore can save
More electricity is saved, to improve the feature of environmental protection of smart lock.
When fingerprint touch-control module 11 senses that finger touches fingerprint module 31 or keyboard touch-control module 12 senses finger
When touching Keysheet module 32, fingerprint touch-control module 11 or keyboard touch-control module 12 can transmit a signal to processor U2, processor
It is fingerprint module 31, Keysheet module 32, the confession of motor drive module 33 that U2 controls power module 5 by second source controller 22
Electricity, the fingerprint module 31, Keysheet module 32, motor drive module 33 for obtaining electricity at this time are waken up from standby mode and are in working condition.
Finger is either placed on fingerprint module 31 by user, or on Keysheet module 32, can wake up the finger just in standby
Line module 31, Keysheet module 32, motor drive module 33, to improve the intelligent of smart lock.
Fingerprint module 31, Keysheet module 32, motor drive module 33 are waken up when being in working condition, and user can pass through
Fingerprint comparison or cryptographic check unlock.When being unlocked using fingerprint comparison, fingerprint module 31 acquires fingerprint and carries out
After fingerprint comparison, comparison result is sent to motor drive module 33；When being unlocked using cryptographic check, in Keysheet module 32
Upper input password simultaneously after cryptographic core tests, will veritify result and be sent to motor drive module 33；The root again of motor drive module 33
The veritification result driving mechanical lock 4 that the comparison result or Keysheet module 32 sent according to fingerprint module 31 is sent opens or closes.
After fingerprint module 31, Keysheet module 32, motor drive module 33 are waken up, when finger is placed on fingerprint mould by user
In block 31, fingerprint module 31 acquires the fingerprint of the finger, and is compared with the fingerprint of internal preset, when comparing consistent, electricity
Machine drive module 33 drives mechanical lock 4 to unlock, and otherwise mechanical lock 4 is still within locking state.Or when user is in keyboard
Password is inputted in module 32, Keysheet module 32 veritifies the password of password and internal preset that user is inputted, veritifies just
When true, motor drive module 33 drives mechanical lock 4 to unlock, and otherwise mechanical lock 4 is still within locking state.
As shown in Fig. 2, further, the fingerprint touch-control module 11 includes the inductor U5 being connected with each other, fingerprint touch-control
The line of induction 13, inductor U5 are connected with processor U2, the first energy supply control module 21 respectively；The fingerprint module 31 includes mutual
The fingerprint collecting screen of connection, fingerprint processor, fingerprint processor connect with motor drive module 33, second source controller 22 respectively
It connects, the surrounding in fingerprint collecting screen is arranged in the fingerprint touch induction lines 13.
Further, the keyboard touch-control module 12 includes the inductor U4 being connected with each other, keyboard touch induction lines 14, institute
Inductor U4 is stated respectively to be connected with processor U2, the first energy supply control module 21；The Keysheet module 32 includes being connected with each other
Cipher processor and multiple buttons, the cipher processor are connect with motor drive module 33, second source controller 22 respectively,
The surrounding in button is arranged in the keyboard touch induction lines 14.
In the present embodiment, the processor U2 is STM32L051C6T6 chips, and inductor U5, inductor U4 are
BS812A-1 chips.
Further, first power-supply controller of electric 21 is low pressure difference linear voltage regulator U1, the second source controller
22 be low pressure difference linear voltage regulator U3, and the power module 5 is battery U4.
In the present embodiment, low pressure difference linear voltage regulator U1 and low pressure difference linear voltage regulator U3 is ADP160 chips.
Fingerprint touch induction lines 13 are connect with the KEY1 pins of inductor U5, the KOUT1 pins and processor of inductor U5
The PA1 pins of U2 connect；Keyboard touch induction lines 14 are connect with the KEY1 pins of inductor U4, the KOUT1 pins of inductor U4
It is connect with the PA0 pins of processor U2.
The PB0 pins of processor U2 are connect with the CE pins of low pressure difference linear voltage regulator U3, low pressure difference linear voltage regulator U3
IN pins connect with battery U4, the OUT pins of low pressure difference linear voltage regulator U3 and fingerprint processor, cipher processor, motor
Drive module 33 connects.
The IN pins of low pressure difference linear voltage regulator U1 are connect with battery U4, the OUT pins point of low pressure difference linear voltage regulator U1
VLCD, VLCD_3, VLCD_2, VLCD_1, VDDA not with inductor U4, the VDD pins of inductor U5 and processor U2 draw
Foot connects.
In the standby state, battery U4 is respectively inductor U4, inductor by low pressure difference linear voltage regulator U1 to smart lock
U5 powers.When user's finger touches fingerprint collecting screen, the induction of fingerprint touch induction lines 13 in fingerprint collecting screen surrounding is set
To the touching of user's finger, touching signal is sent to inductor U4, inductor U4 transmits the signal to the PA1 of processor U2
Pin；When user's finger touches button, the keyboard touch induction lines 14 being arranged in button surrounding sense touching for user's finger
It touches, touching signal is sent to inductor U5, inductor U5 transmits the signal to the PA0 pins of processor U2.
Either the PA1 pins of processor U2 or PA0 pins receive touching signal, can trigger processor U2's
For PB0 pin transmission level signals to the CE pins of low pressure difference linear voltage regulator U3, low pressure difference linear voltage regulator U3 is enabled so that electricity
Pond U4 is fingerprint processor, cipher processor, the power supply of motor drive module 33 by low pressure difference linear voltage regulator U3.That is, nothing
Fingerprint collecting screen is touched by user's finger, still touches button, can make fingerprint processor, cipher processor, motor
Drive module 33 becomes normal from power failure state dress and obtains electricity condition, to make smart lock be waken up from standby mode as the shape that works
State.
After fingerprint processor, cipher processor, motor drive module 33 enter working condition, fingerprint processor adopts fingerprint
Collection screen is locked collected fingerprint and is compared with the finger print image of internal preset, and comparison result is sent to motor driving
Module 33, if comparison result is almost the same, motor drive module 33 will drive mechanical lock 4 to complete to unlock；Cipher Processing
Device veritifies the password of password and internal preset that user inputs on button, and will veritify result and be sent to motor driving
Module 33, if it is correct to veritify result, motor drive module 33 will drive mechanical lock 4 to complete to unlock.
As shown in Fig. 2, in the present embodiment, battery U4 is connected with the OUT pins of capacitance C1, low pressure difference linear voltage regulator U1
It is connected with capacitance C2, the OUT pins of low pressure difference linear voltage regulator U3 are connected with capacitance C3.Capacitance C1, C2, C3 can ensure respectively
The supply voltage smooth steady that power supply U4, low pressure difference linear voltage regulator U1, low pressure difference linear voltage regulator U3 are exported, can inhibit electricity
The fluctuation of pressure.
As shown in Figure 1, in the present embodiment, further, the circuit further includes voice module 34, display screen 35, net
Network communication module 36, face recognition module 37, the voice module 34, display screen 35 connect with second source controller 22 respectively
It connects, network communication module 36, face recognition module 37 are connect with second source controller 22, motor drive module 33 respectively.
Voice module 34 can play the prompt tone for instructing user to unlock, and display screen 35 can show that smart lock is current
State be to be in unlocking condition or locking state, display password input by user can also be hidden.
Network communication module 36 can make user's remote control smart lock.Testing for identity is carried out by user's SmartClient
Card, and verification result is sent remotely to network communication module 36, network communication module 36 remotely receives the verification result and will
Verification result is sent to motor drive module 33, and motor drive module 33 drives mechanical lock 4 to play on or off according to verification result
It closes.
Face recognition module 37 can make user pass through recognition of face to control smart lock.Face recognition module 37 captures face
Image carries out image comparison, comparison result is sent to motor drive module 33, motor drive module 33 drives according to comparison result
Dynamic mechanical lock 4 opens or closes.
When fingerprint touch-control module 11 does not sense that finger touches fingerprint module 31, while keyboard touch-control module 12 does not have yet
When having induction finger in one's hands to touch Keysheet module 33, fingerprint touch-control module 11 or keyboard touch-control module 12 will not send a signal to place
Device U2 is managed, it is voice module 34, display screen 35, network that processor U2 controls power module 5 not by second source controller 22
Communication module 36, face recognition module 37 are powered, at this time the voice module 34, display screen 35, network communication module 36 of dead electricity, people
Face identification module 37 is in standby.And voice module 34, display screen 35, network communication module 36, face recognition module 37,
It is the component that electricity consumption is larger in smart lock, therefore as fingerprint module 31, Keysheet module 32, motor drive module 33
More electricity can be saved, to improve the feature of environmental protection of smart lock.
When fingerprint touch-control module 11 senses that finger touches fingerprint module 31 or keyboard touch-control module 12 senses finger
When touching Keysheet module 32, fingerprint touch-control module 11 or keyboard touch-control module 12 can transmit a signal to processor U2, pass through
It is voice module 34, display screen 35, network communication module 36, face recognition module that two power-supply controller of electric 22, which control power module 5,
37 power supplies obtain the voice module 34 of electricity, display screen 35, network communication module 36, face recognition module 37 from standby mode at this time
It is waken up and is in working condition.Finger is either placed on fingerprint module 31 by user, or on Keysheet module 32, can be called out
It wakes up voice module 34 just in standby, display screen 35, network communication module 36, face recognition module 37, to improve intelligence
That locks is intelligent.
The same or similar label correspond to the same or similar components；
Position relationship described in attached drawing is used to only for illustration, should not be understood as the limitation to this patent；
Obviously, above-described embodiment of the utility model is only intended to clearly illustrate the utility model example, and
It is not the restriction to the embodiment of the utility model.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
It is exhaustive.All any modification, equivalent and improvement made within the spirit and principle of the present invention etc., should be included in
Within the protection domain of the utility model claims.
Claims (10)
1. a kind of smart lock low-power consumption standby circuit, including processor U2, fingerprint touch-control module（11）, fingerprint module（31）, electricity
Machine drive module（33）, mechanical lock（4）, power module（5）, which is characterized in that further include keyboard touch-control module（12）, keyboard
Module（32）, the first power-supply controller of electric（21）, second source controller（22）, power module（5）It is controlled respectively with the first power supply
Device（21）, second source controller（22）Connection, the first power-supply controller of electric（21）Respectively with fingerprint touch-control module（11）, keyboard touch
Control module（12）, processor U2 connections, the one end processor U2 respectively with fingerprint touch-control module（11）, keyboard touch-control module（12）Even
It connects, the other end and second source controller（22）Connection, second source controller（22）One end is connected with processor U2, the other end
Respectively with fingerprint module（31）, Keysheet module（32）, motor drive module（33）Connection, fingerprint module（31）, Keysheet module
（32）Respectively with motor drive module（33）Connection, motor drive module（33）With mechanical lock（4）Connection.
2. smart lock low-power consumption standby circuit according to claim 1, which is characterized in that the fingerprint touch-control module（11）
Inductor U5, fingerprint touch induction lines including interconnection（13）, inductor U5 respectively with processor U2, the first power supply control
Device（21）It is connected；
The fingerprint module（31）Fingerprint collecting screen including interconnection, fingerprint processor, fingerprint processor respectively with motor
Drive module（33）, second source controller（22）Connection, the fingerprint touch induction lines（13）It is arranged in fingerprint collecting screen
Surrounding.
3. smart lock low-power consumption standby circuit according to claim 2, which is characterized in that the keyboard touch-control module（12）
Inductor U4, keyboard touch induction lines including interconnection（14）, the inductor U4 respectively with processor U2, the first power supply
Controller（21）It is connected；
The Keysheet module（32）Cipher processor including interconnection and multiple buttons, the cipher processor respectively with electricity
Machine drive module（33）, second source controller（22）Connection, the keyboard touch induction lines（14）Surrounding in button is set.
4. smart lock low-power consumption standby circuit according to claim 1, which is characterized in that further include voice module（34）
And/or display screen（35）, the voice module（34）, display screen（35）Respectively with second source controller（22）Connection.
5. smart lock low-power consumption standby circuit according to claim 1 or 4, which is characterized in that further include network communication mould
Block（36）And/or face recognition module（37）, the network communication module（36）, face recognition module（37）It is electric with second respectively
Source controller（22）, motor drive module（33）Connection.
6. smart lock low-power consumption standby circuit according to claim 1, which is characterized in that first power-supply controller of electric
（21）For low pressure difference linear voltage regulator U1.
7. smart lock low-power consumption standby circuit according to claim 6, which is characterized in that the second source controller
（22）For low pressure difference linear voltage regulator U3.
8. smart lock low-power consumption standby circuit according to claim 1, which is characterized in that the processor U2 is STM32L
Family chip.
9. smart lock low-power consumption standby circuit according to claim 3, which is characterized in that the inductor U4, inductor
U5 is BS81xA-x family chips.
10. smart lock low-power consumption standby circuit according to claim 7, which is characterized in that the low pressure difference linearity voltage stabilizing
Device U1, low pressure difference linear voltage regulator U3 are ADP160 chips or ADP161 chips.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109448198A (en) * | 2018-12-18 | 2019-03-08 | 深圳市铁证科技有限公司 | A kind of face fingerprint recognition intelligent door lock control system |
| CN110415405A (en) * | 2019-07-22 | 2019-11-05 | 美智光电科技有限公司 | Intelligent door lock |
| CN110528965A (en) * | 2019-08-14 | 2019-12-03 | 广东沃帅科技有限公司 | Door lock, the setting method of door lock and intelligent cloud control method |
| CN111445606A (en) * | 2020-04-30 | 2020-07-24 | 青岛海信智慧家居系统股份有限公司 | Door lock system controlled by multiple power supplies in time-sharing mode |
| CN111525674A (en) * | 2020-04-30 | 2020-08-11 | 青岛海信智慧家居系统股份有限公司 | Power supply switching method and device for double-battery door lock |
| CN114495326A (en) * | 2020-11-12 | 2022-05-13 | 比亚迪半导体股份有限公司 | Control circuit and control method of fingerprint module and intelligent lock |
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2018
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109448198A (en) * | 2018-12-18 | 2019-03-08 | 深圳市铁证科技有限公司 | A kind of face fingerprint recognition intelligent door lock control system |
| CN110415405A (en) * | 2019-07-22 | 2019-11-05 | 美智光电科技有限公司 | Intelligent door lock |
| CN110528965A (en) * | 2019-08-14 | 2019-12-03 | 广东沃帅科技有限公司 | Door lock, the setting method of door lock and intelligent cloud control method |
| CN111445606A (en) * | 2020-04-30 | 2020-07-24 | 青岛海信智慧家居系统股份有限公司 | Door lock system controlled by multiple power supplies in time-sharing mode |
| CN111525674A (en) * | 2020-04-30 | 2020-08-11 | 青岛海信智慧家居系统股份有限公司 | Power supply switching method and device for double-battery door lock |
| CN111525674B (en) * | 2020-04-30 | 2022-01-28 | 青岛海信智慧家居系统股份有限公司 | Power supply switching method and device for double-battery door lock |
| CN114495326A (en) * | 2020-11-12 | 2022-05-13 | 比亚迪半导体股份有限公司 | Control circuit and control method of fingerprint module and intelligent lock |
| CN114495326B (en) * | 2020-11-12 | 2024-02-20 | 比亚迪半导体股份有限公司 | Control circuit and control method of fingerprint module and intelligent lock |
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