CN107316365A - A kind of intelligent door lock based on STM32 family chips - Google Patents

A kind of intelligent door lock based on STM32 family chips Download PDF

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Publication number
CN107316365A
CN107316365A CN201710678905.8A CN201710678905A CN107316365A CN 107316365 A CN107316365 A CN 107316365A CN 201710678905 A CN201710678905 A CN 201710678905A CN 107316365 A CN107316365 A CN 107316365A
Authority
CN
China
Prior art keywords
circuit
resistance
electric capacity
connects
door lock
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710678905.8A
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Chinese (zh)
Inventor
檀雪
汪露
姚家珍
章雯
张伟伟
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Anhui Normal University
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Anhui Normal University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anhui Normal University filed Critical Anhui Normal University
Priority to CN201710678905.8A priority Critical patent/CN107316365A/en
Publication of CN107316365A publication Critical patent/CN107316365A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00Individual registration on entry or exit
    • G07C9/00174Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00182Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00Individual registration on entry or exit
    • G07C9/00174Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00817Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys where the code of the lock can be programmed

Abstract

The present invention relates to a kind of intelligent door lock, more particularly to a kind of intelligent door lock based on STM32 family chips.The present invention includes control circuit, infrared receiving circuit, infrared transmitting circuit, door sensor circuit, reset circuit, on-off circuit, S50 card card reading circuits, USB camera circuit, terminal control circuitry, storage circuit, motor-drive circuit, alarm indication circuit, gsm communication circuit and power supply circuit, the signal input part of control circuit connects infrared receiving circuit respectively, door sensor circuit, reset circuit, on-off circuit, the signal output part of S50 card card reading circuits, the signal input part of the infrared receiving circuit connects the signal output part of infrared transmitting circuit, the signal output part of control circuit connects USB camera circuit respectively, motor-drive circuit, alarm indication circuit, the signal input part of gsm communication circuit.The present invention substantially increases the security of door lock and intelligent, and circuit structure of the invention is simple, with low cost, is adapted to batch production.

Description

A kind of intelligent door lock based on STM32 family chips
Technical field
The present invention relates to a kind of intelligent door lock, more particularly to a kind of intelligent door lock based on STM32 family chips.
Background technology
Society is in progress, and many illegal molecule crime means are also in progress, and therefore, home security also turns into of concern Problem.And most important as house security life is exactly door lock.Door lock is first of safety curtain of family, is almost every in family Its equipment that can all use.It is known that either big city or small city, what most of families installed is all traditional The security of Mechanical theft-proof door lock tradition machinery door lock is all had gained some understanding, and general door lock thief's a few minutes just can be settled. This brings great inhabitation hidden danger to resident family, and the personal safety and property safety to them all bring threat.
Existing door lock only has simple anti-theft feature, it is impossible to realize warning function, intelligence degree is not high, safety Property it is not high and with high costs, be difficult realize.
The content of the invention
There is provided a kind of intelligent door based on STM32 family chips in order to overcome the above-mentioned deficiencies of the prior art by the present invention Lock, the present invention is simple in construction, it is easy to accomplish.
Techniques discussed above is solved the problems, such as, the technical scheme that the present invention takes is:
A kind of intelligent door lock based on STM32 family chips includes control circuit, infrared receiving circuit, infrared emission electricity Road, door sensor circuit, reset circuit, on-off circuit, S50 cards card reading circuit, USB camera circuit, terminal control circuitry, storage electricity Road, motor-drive circuit, alarm indication circuit, gsm communication circuit and power supply circuit, the signal input part of the control circuit Connection infrared receiving circuit, door sensor circuit, reset circuit, on-off circuit, S50 cards card reading circuits, USB camera circuit respectively Signal output part, the signal input part of the infrared receiving circuit connects the signal output part of infrared transmitting circuit, controls circuit Signal output part connect motor-drive circuit, alarm indication circuit, the signal input part of gsm communication circuit, the control respectively The circuit processed two-way communication link between terminal control circuitry, storage circuit respectively, it is two-way between terminal control circuitry and PC Communication connection, the power supply circuit is used to power for each circuit.
It is preferred that, the control circuit includes control chip, the model STM32 family chips of the control chip.
It is preferred that, the infrared receiving circuit includes model HS0038 infrared receiving tube, the infrared receiving tube Pin 1 connects the 3rd electric capacity C3 one end, the 4th electric capacity C4 one end and ground connection respectively, the connection of pin 2 of infrared receiving tube the Five resistance R5 one end, the pin 3 of infrared receiving tube connects the 6th resistance R6 one end, the 8th resistance R8 one end, institute respectively State the 3rd electric capacity C3 other end, the 4th electric capacity C4 other end, the 5th resistance R5 other end, the 6th resistance R6 other end The 7th resistance R7 one end and power supply are all connected with, the other end of the 7th resistance R7 is connecting the 4th light emitting diode D4 just Pole, the negative pole of the 4th light emitting diode D4 connects the second triode A2 colelctor electrode, the base stage of the second triode A2 Connect the 8th resistance R8 other end, the second triode A2 grounded emitter.
It is preferred that, the infrared transmitting circuit includes NE555 chips, and the pin 4 of the NE555 chips connects second respectively Resistance R2 one end, 3rd resistor R3 one end, the 4th resistance R4 one end and power supply, the other end of the second resistance R2 The pin 7 of first resistor R1 one end, the second diode D2 positive pole and NE555 chips, the first resistor are connected respectively The R1 other end connects the first diode D1 negative pole, and the positive pole of the first diode D1, the second diode D2 negative pole are equal The first electric capacity C1 one end and the pin 2 of NE555 chips, pin 6 are connected, the other end of the first electric capacity C1 is connected respectively Second electric capacity C2 one end, the pin 1 of NE555 chips, the first triode A1 emitter stage and ground connection, the second electric capacity C2's The other end connects the pin 5 of NE555 chips, and the base stage of the first triode A1 connects the 4th resistance R4 other end, first Triode A1 colelctor electrode connects the 3rd light emitting diode D3 negative pole, the positive pole connection the 3rd of the 3rd light emitting diode D3 The resistance R3 other end.
It is preferred that, the S50 cards card reading circuit includes Card Reader chip, the model MFRC522 of the Card Reader chip.
It is preferred that, the terminal control circuitry includes terminal control chip, the model CC2530 of the terminal control chip.
Further, the storage circuit is eeprom memory.
Further, the alarm indication circuit includes buzzer and LCD display, and the signal of the buzzer is inputted End and LCD display signal input part are all connected with controlling the signal output part of circuit.
Further, the power supply circuit includes cable power and battery, one end connection the 5th of the cable power Diode D5 positive pole, the negative pole of the 5th diode D5 connects the 6th diode D6 negative pole, the one of the 5th electric capacity C5 respectively End and the signal input part of voltage stabilizing chip, the positive pole of the 6th diode D6 connect the positive pole of battery, the negative pole of the battery The other end and the ground connection of cable power are connected, the signal output part of the voltage stabilizing chip connects the 6th electric capacity C6 one end, the 7th respectively Electric capacity C7 one end, the 9th resistance R9 one end and power supply VCC, the other end of the 9th resistance R9 connect the 7th light emitting diode D7 positive pole, negative pole, the 6th electric capacity C6 other end, the 7th electric capacity C7 other end of the 7th light emitting diode D7 are grounded.
Beneficial effects of the present invention are:
(1), the present invention includes control circuit, infrared receiving circuit, infrared transmitting circuit, door sensor circuit, reset circuit, opened Powered-down road, S50 cards card reading circuit, USB camera circuit, terminal control circuitry, storage circuit, motor-drive circuit, alarm are aobvious Show circuit, gsm communication circuit and power supply circuit, the present invention is using swiping the card and by the way of terminal control is combined, greatly improve The security of the present invention and intelligent, circuit structure of the invention is simple, therefore the present invention's is with low cost, is adapted to batch raw Production.
(2), the power supply circuit employs the mode that cable power and supplying cell are powered jointly, it is ensured that this intelligent door Whenever be locked in can normal work.
(3), the infrared transmitting circuit is used to change unlock code, and substantially increases the reliability of the present invention, the door Magnetic circuit is used to check whether electromagnetic lock locks, and substantially increases the security of user.
Brief description of the drawings
The mark in the content and figure of every width accompanying drawing expression in description of the invention is briefly described below:
Fig. 1 is structure principle chart of the invention;
Fig. 2 is the circuit theory diagrams of the infrared transmitting circuit of the present invention;
Fig. 3 is the circuit theory diagrams of the infrared receiving circuit of the present invention;
Fig. 4 is the circuit theory diagrams of the power supply circuit of the present invention.
Reference implication in figure is as follows:
1-control circuit 2-infrared receiving circuit, 3-infrared transmitting circuit
4-door sensor circuit 5-reset circuit, 6-on-off circuit
7-S50 card card reading circuit 8-USB camera, 9-terminal control circuitries of circuit
10-storage circuit, 11-motor-drive circuit, 12-alarm indication circuit
13-gsm communication, 14-power supply circuit of circuit
Embodiment
Below against accompanying drawing, to the shape of the embodiment of the present invention such as involved each component, construction, each several part Between mutual alignment and annexation, the effect of each several part and operation principle etc. be described in further detail:
As shown in figure 1, a kind of intelligent door lock based on STM32 family chips include control circuit 1, infrared receiving circuit 2, Infrared transmitting circuit 3, door sensor circuit 4, reset circuit 5, on-off circuit 6, S50 cards card reading circuit 7, USB camera circuit 8, end End control circuit 9, storage circuit 10, motor-drive circuit 11, alarm indication circuit 12, gsm communication circuit 13 and power supply electricity Road 14, the signal input part of the control circuit 1 connects infrared receiving circuit 2, door sensor circuit 4, reset circuit 5, switch respectively Circuit 6, S50 cards card reading circuit 7, the signal output part of USB camera circuit 8, the signal input part of the infrared receiving circuit 2 The signal output part of infrared transmitting circuit 3 is connected, the signal output part of control circuit 1 connects motor-drive circuit 11, report respectively Alert display circuit 12, the signal input part of gsm communication circuit 13, the control circuit 1 respectively with terminal control circuitry 9, storage Two-way communication link between circuit 10, two-way communication link between terminal control circuitry 9 and PC, the power supply circuit 14 is used for Powered for each circuit.
The infrared transmitting circuit 3 is used to changing programming password and unlocking cipher, the infrared receiving circuit 2 with it is infrared Wireless communication connection and supported the use between radiating circuit 3;
Door sensor circuit 4 substantially increases the security of user for detecting whether lock;
Reset circuit 5, the low-power consumption requirement for realizing system;
On-off circuit 6, when this intelligent door lock occurs crashing or is unexpected, by this switch can again recovery system it is normal;
It is magnetic card that S50 cards card reading circuit 7, which is used to sense S50 cards,;
USB camera circuit 8 is set to further ensure that the security of user;
The control circuit 1 includes control chip, and the model STM32 family chips of the control chip, its cost is low, Process signal speed is fast, and peripheral circuit is simple;The S50 cards card reading circuit 7 includes Card Reader chip, the model of the Card Reader chip For MFRC522.
The terminal control circuitry 9 includes terminal control chip, and the model CC2530 of the terminal control chip is described Interacted between terminal control circuitry 9 and PC, realize human-computer interaction function, someone confirm on PC it is errorless after, ability Enough opening door locks, further ensure the safety of user.
The storage circuit 10 is eeprom memory;The alarm indication circuit 12 includes buzzer and LCD is shown Device, the signal input part and LCD display signal input part of the buzzer are all connected with controlling the signal output part of circuit 1.
As shown in figure 3, the infrared receiving circuit 2 includes model HS0038 infrared receiving tube, the infrared receiver The pin 1 of pipe connects the 3rd electric capacity C3 one end, the 4th electric capacity C4 one end and ground connection respectively, and the pin 2 of infrared receiving tube connects The 5th resistance R5 one end is connect, the pin 3 of infrared receiving tube connects the 6th resistance R6 one end, the one of the 8th resistance R8 respectively End, the other end of the 3rd electric capacity C3, the 4th electric capacity C4 other end, the 5th resistance R5 other end, the 6th resistance R6 The other end is all connected with the 7th resistance R7 one end and power supply, and the other end of the 7th resistance R7 connects the 4th light emitting diode D4 positive pole, the negative pole of the 4th light emitting diode D4 connects the second triode A2 colelctor electrode, the second triode A2 Base stage connect the 8th resistance R8 the other end, the second triode A2 grounded emitter.
As shown in Fig. 2 the infrared transmitting circuit 3 includes NE555 chips, the pin 4 of the NE555 chips is connected respectively Second resistance R2 one end, 3rd resistor R3 one end, the 4th resistance R4 one end and power supply, the second resistance R2's is another One end connects the pin 7 of first resistor R1 one end, the second diode D2 positive pole and NE555 chips, described first respectively The resistance R1 other end connects the first diode D1 negative pole, the positive pole of the first diode D1, the second diode D2 it is negative Pole is all connected with the first electric capacity C1 one end and the pin 2 of NE555 chips, pin 6, the other end difference of the first electric capacity C1 Connect the second electric capacity C2 one end, the pin 1 of NE555 chips, the first triode A1 emitter stage and ground connection, second electric capacity The C2 other end connects the pin 5 of NE555 chips, and the base stage of the first triode A1 connects the 4th resistance R4 other end, First triode A1 colelctor electrode connects the 3rd light emitting diode D3 negative pole, the positive pole connection of the 3rd light emitting diode D3 The 3rd resistor R3 other end.
As shown in figure 4, the power supply circuit 14 includes cable power and battery, one end connection the of the cable power Five diode D5 positive pole, the negative pole of the 5th diode D5 connects the 6th diode D6 negative pole, the 5th electric capacity C5 respectively One end and voltage stabilizing chip signal input part, the positive pole of the 6th diode D6 connects the positive pole of battery, the battery Negative pole connection cable power the other end and ground connection, the signal output part of the voltage stabilizing chip connects the 6th electric capacity C6's respectively One end, the 7th electric capacity C7 one end, the 9th resistance R9 one end and power supply VCC, the other end connection of the 9th resistance R9 7th light emitting diode D7 positive pole, negative pole, the 6th electric capacity C6 other end, the 7th electric capacity of the 7th light emitting diode D7 The C7 other end is grounded.
The model AMS1117, the AMS1117 of voltage stabilizing chip have current limliting, excessively thermal cut-out, automatic fine tuning reference voltage The features such as error, the voltage of the cable power is 5.5V, and the voltage of reserve battery is 5V, the first diode D1 selections pressure The small diode of drop.When power supply in building is normal, powered using cable power, during abnormal electrical power supply in building, using reserve battery Power supply.
In the use of the present invention, can coordinate to be used with software of the prior art.With reference to prior art In software to the present invention operation principle be described.
When user touches this intelligent door lock using S50 cards, S50 cards card reading circuit 7 reads card information, and will read Information send to STM32 family chips, signal is passed through end by the information of STM32 family chips acquisition camera simultaneously End control circuit 9 is sent to PC, is opened while STM32 family chips send someone by gsm communication circuit 13 to user mobile phone The short message of door, reminds user to check the people of unlocking by PC, if can open the door, user is sent out by terminal control circuitry 9 Door opening command is sent to STM32 family chips, so that motor drive circuit 11 opens door lock, if can not open the door, user Door opening command is sent to STM32 family chips by terminal control circuitry 9, alarm indication circuit 12 starts alarm.
Above content is to combine the further description that specific preferred embodiment is made to the present invention, it is impossible to assert this The embodiment of invention is confined to these explanations.For general technical staff of the technical field of the invention, The other embodiment drawn in the case where not departing from technical scheme, should be included within the scope of the present invention.

Claims (9)

1. a kind of intelligent door lock based on STM32 family chips, it is characterised in that:Including control circuit (1), infrared receiving circuit (2), infrared transmitting circuit (3), door sensor circuit (4), reset circuit (5), on-off circuit (6), S50 cards card reading circuit (7), USB Camera circuit (8), terminal control circuitry (9), storage circuit (10), motor-drive circuit (11), alarm indication circuit (12), Gsm communication circuit (13) and power supply circuit (14), the signal input part of the control circuit (1) connect infrared receiver electricity respectively Road (2), door sensor circuit (4), reset circuit (5), on-off circuit (6), S50 cards card reading circuit (7), USB camera circuit (8) Signal output part, the signal output part of the signal input part connection infrared transmitting circuit (3) of the infrared receiving circuit (2), control The signal output part of circuit (1) processed connects motor-drive circuit (11), alarm indication circuit (12), gsm communication circuit respectively (13) signal input part, the control circuit (1) two-way between terminal control circuitry (9), storage circuit (10) respectively Letter connection, terminal control circuitry (9) two-way communication link between PC, the power supply circuit (14) is used to supply for each circuit Electricity.
2. a kind of intelligent door lock based on STM32 family chips as claimed in claim 1, it is characterised in that:The control electricity Road (1) includes control chip, the model STM32 family chips of the control chip.
3. a kind of intelligent door lock based on STM32 family chips as claimed in claim 2, it is characterised in that:It is described infrared to connect Receiving circuit (2) includes model HS0038 infrared receiving tube, and the pin 1 of the infrared receiving tube connects the 3rd electric capacity C3 respectively One end, the 4th electric capacity C4 one end and ground connection, the pin 2 of infrared receiving tube connects the 5th resistance R5 one end, infrared receiver The pin 3 of pipe connects the 6th resistance R6 one end, the 8th resistance R8 one end, the other end of the 3rd electric capacity C3, respectively Four electric capacity the C4 other end, the 5th resistance R5 other end, the 6th resistance R6 other end are all connected with the 7th resistance R7 one end And power supply, the 4th light emitting diode D4 of other end connection of the 7th resistance R7 positive pole, the 4th light emitting diode D4 negative pole connects the second triode A2 colelctor electrode, and the base stage of the second triode A2 connects the another of the 8th resistance R8 End, the second triode A2 grounded emitter.
4. a kind of intelligent door lock based on STM32 family chips as claimed in claim 3, it is characterised in that:The infrared hair Transmit-receive radio road (3) includes NE555 chips, and the pin 4 of the NE555 chips connects second resistance R2 one end, 3rd resistor respectively R3 one end, the 4th resistance R4 one end and power supply, the other end of the second resistance R2 connect first resistor R1's respectively The pin 7 of one end, the second diode D2 positive pole and NE555 chips, the other end connection the one or two of the first resistor R1 Pole pipe D1 negative pole, positive pole, the second diode D2 negative pole of the first diode D1 are all connected with the first electric capacity C1 one end And pin 2, the pin 6 of NE555 chips, the other end of the first electric capacity C1 connect respectively the second electric capacity C2 one end, The pin 1 of NE555 chips, the first triode A1 emitter stage and ground connection, the other end connection NE555 cores of the second electric capacity C2 The pin 5 of piece, the base stage of the first triode A1 connects the 4th resistance R4 other end, and the first triode A1 colelctor electrode connects Connect the 3rd light emitting diode D3 negative pole, the positive pole connection 3rd resistor R3 of the 3rd light emitting diode D3 other end.
5. a kind of intelligent door lock based on STM32 family chips as claimed in claim 4, it is characterised in that:The S50 cards are read Card circuit (7) includes Card Reader chip, the model MFRC522 of the Card Reader chip.
6. a kind of intelligent door lock based on STM32 family chips as claimed in claim 5, it is characterised in that:The terminal control Circuit (9) processed includes terminal control chip, the model CC2530 of the terminal control chip.
7. a kind of intelligent door lock based on STM32 family chips as claimed in claim 6, it is characterised in that:The storage electricity Road (10) is eeprom memory.
8. a kind of intelligent door lock based on STM32 family chips as claimed in claim 7, it is characterised in that:The alarm is aobvious Show that circuit (12) includes buzzer and LCD display, the signal input part and LCD display signal input part of the buzzer It is all connected with controlling the signal output part of circuit (1).
9. a kind of intelligent door lock based on STM32 family chips as described in claim 1~8 any one, it is characterised in that: The power supply circuit (14) includes cable power and battery, and one end of the cable power is connecting the 5th diode D5 just Pole, the negative pole of the 5th diode D5 connects the 6th diode D6 negative pole, the 5th electric capacity C5 one end and voltage stabilizing respectively The signal input part of chip, the positive pole of the 6th diode D6 connects the positive pole of battery, and the negative pole connection of the battery is wired The other end of power supply and ground connection, the signal output part of the voltage stabilizing chip connect the 6th electric capacity C6 one end, the 7th electric capacity respectively C7 one end, the 9th resistance R9 one end and power supply VCC, the other end of the 9th resistance R9 connect the 7th light emitting diode D7 positive pole, negative pole, the 6th electric capacity C6 other end, the 7th electric capacity C7 other end of the 7th light emitting diode D7 connect Ground.
CN201710678905.8A 2017-08-10 2017-08-10 A kind of intelligent door lock based on STM32 family chips Pending CN107316365A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710678905.8A CN107316365A (en) 2017-08-10 2017-08-10 A kind of intelligent door lock based on STM32 family chips

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710678905.8A CN107316365A (en) 2017-08-10 2017-08-10 A kind of intelligent door lock based on STM32 family chips

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Publication Number Publication Date
CN107316365A true CN107316365A (en) 2017-11-03

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109032032A (en) * 2018-08-22 2018-12-18 重庆华医康道科技有限公司 Laboratory network equipment access system

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Publication number Priority date Publication date Assignee Title
CN200993797Y (en) * 2006-12-23 2007-12-19 聊城大学 Infrared remote control password lock
CN203224919U (en) * 2013-03-28 2013-10-02 广东奥迪安监控技术有限公司 Intelligent access controller
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Application publication date: 20171103

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