CN108510633B - Intelligent lock adapter plate - Google Patents
Intelligent lock adapter plate Download PDFInfo
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- CN108510633B CN108510633B CN201810429104.2A CN201810429104A CN108510633B CN 108510633 B CN108510633 B CN 108510633B CN 201810429104 A CN201810429104 A CN 201810429104A CN 108510633 B CN108510633 B CN 108510633B
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- motor driving
- intelligent lock
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- 238000004891 communication Methods 0.000 claims abstract description 35
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 34
- 239000003381 stabilizer Substances 0.000 claims description 31
- 239000003990 capacitor Substances 0.000 claims description 24
- 239000013078 crystal Substances 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B47/0012—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention relates to an intelligent lock adapter plate, comprising: the circuit board, be equipped with on the circuit board: the system comprises a singlechip, a motor driving module, a voltage stabilizing module, a wireless communication module and a relay module; the singlechip is electrically connected with the wireless communication module, the motor driving module and the relay module respectively; the singlechip can receive unlocking and locking instructions issued by the external intelligent terminal through the wireless communication module, and the singlechip controls the motor driving module and the relay module to realize the rotation of the miniature motor according to the instructions, so that unlocking and locking are completed. The adapter plate of the intelligent lock not only does not influence the use of any function of the original intelligent lock, but also has small volume and convenient installation; the intelligent lock adapter plate solves the problem that in the prior art, the lock is suddenly disassembled due to the fact that an internal circuit of the lock fails or a user forgets to take a key, and in addition, the intelligent lock adapter plate is beneficial to improving the use convenience of the intelligent lock and improving the user experience.
Description
Technical Field
The invention relates to the technical field of intelligent lock control, in particular to an intelligent lock adapter plate.
Background
With the continuous development of technology, the intelligent lock is more and more commonly used, and has been widely applied to places such as hotels, business offices, communities and the like. The intelligent lock has the common characteristics that the lock body is internally provided with a power module, a micro motor and other parts; when unlocking and locking are needed to be identified firstly, the micro motor in the intelligent lock is finally driven to rotate forwards and backwards by comparing the modes of fingerprint, password, card, remote network instruction or close range coding instruction and the like, and the door handle clutch is driven by the micro motor to reach a free state or a closed state so as to realize unlocking or locking; or the unlocking or locking is realized by driving the electromagnetic lock and the electric mortise lock to be attracted or separated.
The existing intelligent lock has the characteristics of convenience in use, high safety and the like, and the intelligent lock is convenient for people to carry, and meanwhile, the intelligent lock also faces some problems: if the user forgets to carry the door card or forgets to unlock the password, or the original intelligent lock cannot respond to the unlocking instruction sent by the user due to the internal circuit fault, the intelligent lock cannot be normally unlocked at this time. In order to solve the above problems, most of the existing intelligent locks are provided with a key hole in structure so as to solve the problem that when the identification mode cannot be used for unlocking or locking normally, a mechanical key is used for unlocking or locking. However, the solution requires that the user carry the mechanical key with him to prevent the mechanical unlocking when the intelligent lock fails, and carrying the mechanical key is not beneficial to the convenience of use of the intelligent lock, thereby reducing the user experience.
In addition, in actual use, a user often forgets to carry a mechanical key, and at the moment, if the intelligent lock fails, the intelligent lock can be opened only in a rough destructive manner, so that loss is caused to the user; in addition, the intelligent lock in the prior art can not add new functions according to the actual demands of users after leaving the factory, for example: on the original functions of the intelligent lock, a user wants to add a remote control unlocking and locking function.
Disclosure of Invention
Therefore, the invention aims to overcome the defects of the prior art and provide the intelligent lock adapter plate which does not influence the use of any function of the original intelligent lock, and has small volume and convenient installation; the intelligent lock adapter plate solves the problem that in the prior art, the lock is suddenly disassembled due to the fact that an internal circuit of the lock fails or a user forgets to take a key, and in addition, the intelligent lock adapter plate is beneficial to improving the use convenience of the intelligent lock and improving the user experience.
In order to achieve the above purpose, the invention adopts the following technical scheme: an intelligent lock adapter plate comprising: the circuit board, be equipped with on the circuit board: the system comprises a singlechip, a motor driving module, a voltage stabilizing module, a wireless communication module and a relay module;
the input end of the voltage stabilizing module is electrically connected with the power module on the original intelligent lock, the output end of the voltage stabilizing module is respectively electrically connected with the singlechip, the motor driving module and the wireless communication module, and the voltage stabilizing module supplies power for the singlechip, the motor driving module and the wireless communication module;
The singlechip is also respectively and electrically connected with the wireless communication module, the motor driving module and the relay module; the input end of the relay module is electrically connected with the motor driving module, and the output end of the relay module is electrically connected with the anode and the cathode of the miniature motor on the original intelligent lock respectively; the singlechip can receive unlocking and locking instructions issued by the external intelligent terminal through the wireless communication module, and the singlechip controls the motor driving module and the relay module to realize the rotation of the miniature motor according to the instructions, so that unlocking and locking are completed.
Optionally, the voltage stabilizing module includes: the input end of the 7805 three-terminal voltage stabilizer is connected with the positive electrode of the power module on the original intelligent lock through a diode D1; the input end of the 7805 three-terminal voltage stabilizer is connected with the cathode of the diode D1, and the anode of the original intelligent-lock power module is connected with the anode of the diode D1;
A capacitor C1 and a capacitor C2 which are mutually connected in parallel are further arranged between the cathode of the diode D1 and the input end of the 7805 three-terminal voltage stabilizer, one end of the capacitor C1 and one end of the capacitor C2 are connected in parallel to the input end of the 7805 three-terminal voltage stabilizer, and the other end of the capacitor C1 and the other end of the capacitor C2 are grounded after the capacitor C1 and the capacitor C2 are connected in parallel;
The 7805 three-terminal voltage stabilizer can stabilize the 6v or 12v voltage output by the power supply module to 5v output.
Optionally, the singlechip is an AT89C2051 singlechip; the power supply voltage pin of the singlechip is connected with the output end of the 7805 three-terminal voltage stabilizer; the XTAL1 pin and the XTAL2 pin on the singlechip are respectively connected with the crystal oscillator; the two-way I/O port pins P3.0 and P3.1 on the singlechip are respectively and correspondingly connected with a data transmitting end and a data receiving end of the wireless communication module;
The motor driving module is an L9110 motor driving chip; the power supply voltage pin of the L9110 motor driving chip is connected with the output end of the 7805 three-terminal voltage stabilizer through a resistor R001; two paths of input pins IN1 and IN2 of the L9110 motor driving chip are correspondingly connected with pins P3.3 and P3.4 on the singlechip respectively, and two paths of output pins OUT1 and OUT2 of the L9110 motor driving chip are connected with the input end of the relay module respectively;
the singlechip outputs control signals to the L9110 motor driving chip by using pins P3.3 and P3.4, and the L9110 motor driving chip controls output signals of two paths of output pins OUT1 and OUT2 to the relay module according to signals received by two paths of input pins IN1 and IN 2.
Optionally, the relay module includes two paths of control circuits, wherein the first path of control circuit includes: a first relay and a first driving circuit; the second path control circuit includes: a second relay and a second driving circuit;
The first driving circuit includes: transistor Q2, resistor R3 and diode D4; the base electrode of the triode Q2 is connected with a pin P1.7 of the singlechip through a resistor R3; the emitter of the triode Q2 is connected with the output end of the 7805 three-terminal voltage stabilizer through a resistor R002; the collector of the triode Q2 is connected with one end of the coil of the first relay, and the collector of the triode Q2 is connected with the other end of the coil of the first relay in parallel through a diode D4 and then grounded; the normally closed contact of the first relay is connected with the OUT1 output pin of the L9110 motor driving chip; the normally open contact of the first relay is connected with the motor driving positive electrode of the original intelligent lock; the output contact of the first relay is connected with the positive electrode of the motor on the original intelligent lock;
The second driving circuit includes: transistor Q1, resistor R4 and diode D5; the base electrode of the triode Q1 is connected with a pin P3.5 of the singlechip through a resistor R4; the emitter of the triode Q1 is connected with the emitter of the triode Q2; the collector of the triode Q1 is connected with one end of the coil of the second relay, and the collector of the triode Q1 is connected with the other end of the coil of the second relay in parallel through a diode D5 and then grounded; the normally closed contact of the second relay is connected with the OUT2 output pin of the L9110 motor driving chip; the normally open contact of the second relay is connected with a motor driving negative electrode on the original intelligent lock; and an output contact of the second relay is connected with a motor cathode on the original intelligent lock.
Optionally, the wireless communication module is a WiFi module or a bluetooth module.
Optionally, the voltage stabilizing module further includes: the REG1117 voltage stabilizing chip, the input end of REG1117 voltage stabilizing chip is connected with the output end of 7805 three-terminal voltage stabilizer, the output end of REG1117 voltage stabilizing chip is connected with the power supply voltage pin of wireless communication module, REG1117 voltage stabilizing chip can be with the 5v voltage steady voltage of 7805 three-terminal voltage stabilizer output is to 3.3v output, REG1117 voltage stabilizing chip utilizes the 3.3v voltage of output to supply power for wiFi module, bluetooth module and other external equipment.
Optionally, a wired expansion interface is further provided on the circuit board. The function of the intelligent lock after leaving the factory can be expanded through the wired expansion interface, so that the actual requirements of users are met.
The invention adopts the technical scheme that the intelligent lock adapter plate comprises: the circuit board, be equipped with on the circuit board: the system comprises a singlechip, a motor driving module, a voltage stabilizing module, a wireless communication module and a relay module; the voltage stabilizing module supplies power for the singlechip, the motor driving module and the wireless communication module; the singlechip is respectively and electrically connected with the wireless communication module, the motor driving module and the relay module; the singlechip can receive unlocking and locking instructions issued by the external intelligent terminal through the wireless communication module, and the singlechip controls the motor driving module and the relay module to realize the rotation of the miniature motor according to the instructions, so that unlocking and locking are completed. The intelligent lock adapter plate does not affect the use of any function of the original intelligent lock, and has small volume and convenient installation; the intelligent lock adapter plate solves the problem that in the prior art, the lock is suddenly disassembled due to the fact that an internal circuit of the lock fails or a user forgets to take a key, and in addition, the intelligent lock adapter plate is beneficial to improving the use convenience of the intelligent lock and improving the user experience.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of an adapter plate of the intelligent lock of the present invention;
fig. 2 is a schematic circuit diagram of the adapter plate of the smart lock of the present invention.
In the figure: 1. a single chip microcomputer; 2. a motor driving module; 3. a voltage stabilizing module; 4. a wireless communication module; 5. a relay module; 6. a power module; 7. the original intelligent lock is provided with a motor; 8. motor drive on original intelligence lock.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, based on the examples herein, which are within the scope of the invention as defined by the claims, will be within the scope of the invention as defined by the claims.
As shown in fig. 1, the present invention provides an intelligent lock adapter plate, comprising: the circuit board, be equipped with on the circuit board: the system comprises a singlechip 1, a motor driving module 2, a voltage stabilizing module 3, a wireless communication module 4 and a relay module 5;
the input end of the voltage stabilizing module 3 is electrically connected with the power module 6 on the original intelligent lock, the output end of the voltage stabilizing module 3 is electrically connected with the singlechip 1, the motor driving module 2 and the wireless communication module 4 respectively, and the voltage stabilizing module 3 supplies power for the singlechip 1, the motor driving module 2 and the wireless communication module 4;
The singlechip 1 is also respectively and electrically connected with the wireless communication module 4, the motor driving module 2 and the relay module 5; the input end of the relay module 5 is electrically connected with the motor driving module 2, and the output end of the relay module 5 is electrically connected with the anode and the cathode of the motor 7 on the original intelligent lock respectively; the singlechip 1 can receive unlocking and locking instructions issued by an external intelligent terminal through the wireless communication module 4, and the singlechip 1 controls the motor driving module 2 and the relay module 5 to realize the rotation of the miniature motor according to the instructions, so that unlocking and locking are completed.
As shown in fig. 2, in this embodiment, the voltage stabilizing module 3 includes: the input end of the 7805 three-terminal voltage stabilizer is connected with the positive electrode of the power module 6 on the original intelligent lock through a diode D1 (model IN 4007); the input end of the 7805 three-terminal voltage stabilizer is connected with the cathode of the diode D1, and the anode of the power module 6 which is originally intelligently locked is connected with the anode of the diode D1;
A capacitor C1 and a capacitor C2 which are mutually connected in parallel are further arranged between the cathode of the diode D1 and the input end of the 7805 three-terminal voltage stabilizer, one end of the capacitor C1 and one end of the capacitor C2 are connected in parallel to the input end of the 7805 three-terminal voltage stabilizer, and the other end of the capacitor C1 and the other end of the capacitor C2 are grounded after the capacitor C1 and the capacitor C2 are connected in parallel;
The 7805 three-terminal voltage stabilizer can stabilize the voltage of 6v or 12v output by the power module 6 to 5v output, for example, the voltage value of a point marked by DVCC in FIG. 2 is 5v, and the 5v voltage output by the 7805 three-terminal voltage stabilizer supplies power for the singlechip 1 and the motor driving chip.
Further, the singlechip 1 is an AT89C2051 singlechip; the power supply voltage pin VCC of the singlechip 1 is connected with the output end of the 7805 three-terminal voltage stabilizer; the XTAL1 and XTAL2 pins on the singlechip 1 are respectively connected with a crystal oscillator Y1; the two-way I/O port pins P3.0 and P3.1 on the singlechip 1 are respectively and correspondingly connected with a data transmitting end and a data receiving end of the wireless communication module 4, and the wireless communication module 4 can be connected to the pins P3.0 and P3.1 on the singlechip 1 through a JP6 jumper interface in FIG. 2;
Specifically, the motor driving module 2 is an L9110 motor driving chip; the power supply voltage pin of the L9110 motor driving chip is connected with the output end of the 7805 three-terminal voltage stabilizer through a resistor R001; two paths of input pins IN1 and IN2 of the L9110 motor driving chip are correspondingly connected with pins P3.3 and P3.4 on the singlechip 1 respectively, and two paths of output pins OUT1 and OUT2 of the L9110 motor driving chip are connected with the input end of the relay module 5 respectively;
The singlechip 1 outputs control signals to the L9110 motor driving chip by using pins P3.3 and P3.4, and the L9110 motor driving chip controls output signals of two paths of output pins OUT1 and OUT2 to the relay module 5 according to signals received by two paths of input pins IN1 and IN 2.
It should be noted that, the relay module 5 includes two paths of control circuits, where the first path of control circuit includes: a first relay and a first driving circuit; the second path control circuit includes: a second relay and a second driving circuit; the first relay and the second relay are five-pin relays;
the first driving circuit includes: transistor Q2 (model 8550), resistor R3 and diode D4; the base electrode of the triode Q2 is connected with a pin P1.7 of the singlechip 1 through a resistor R3 (330 omega); the emitter of the triode Q2 is connected with the output end of the 7805 three-terminal voltage stabilizer through a resistor R002; the collector of the triode Q2 is connected with one end of the coil of the first relay, and the collector of the triode Q2 is connected with the other end of the coil of the first relay IN parallel through a diode D4 (model is IN 4148) and then grounded; the normally closed contact of the first relay is connected with the OUT1 output pin of the L9110 motor driving chip; the normally open contact of the first relay is connected with the positive electrode of the motor drive 8 on the original intelligent lock; the output contact of the first relay is connected with the positive electrode of the motor 7 on the original intelligent lock; in FIG. 2, the JP4 jumper interfaces MO+ and MO-are respectively connected with the anode and the cathode of the motor 7 on the original intelligent lock; in the figure 2, JP5 jumper wire interfaces LOCK+ and LOCK-are respectively connected with the positive electrode and the negative electrode of a motor drive 8 on the original intelligent LOCK;
The second driving circuit includes: transistor Q1 (model 8550), resistor R4 and diode D5; the base electrode of the triode Q1 is connected with a pin P3.5 of the singlechip 1 through a resistor R4; the emitter of the triode Q1 is connected with the emitter of the triode Q2; the collector of the triode Q1 is connected with one end of the coil of the second relay, and the collector of the triode Q1 is connected with the other end of the coil of the second relay in parallel through a diode D5 and then grounded; the normally closed contact of the second relay is connected with the OUT2 output pin of the L9110 motor driving chip; the normally open contact of the second relay is connected with the negative electrode of the motor drive 8 on the original intelligent lock; and an output contact of the second relay is connected with a negative electrode of the motor 7 on the original intelligent lock.
The types of the triodes Q1 and Q2 are the same, the types of the resistors R3 and R4 are the same, and the types of the diodes D4 and D5 are the same.
It is understood that the wireless communication module 4 is a WiFi module or a bluetooth module.
It should be noted that the voltage stabilizing module 3 further includes: the REG1117 voltage stabilizing chip, the input end of REG1117 voltage stabilizing chip is connected with the output end of 7805 three-terminal voltage stabilizer, the output end of REG1117 voltage stabilizing chip is connected with the power supply voltage pin of wireless communication module 4, REG1117 voltage stabilizing chip can be with the 5v voltage steady voltage of 7805 three-terminal voltage stabilizer output is to 3.3v output, REG1117 voltage stabilizing chip utilizes the 3.3v voltage of output to supply power for wiFi module, bluetooth module and other external equipment.
In actual use, the intelligent lock adapter plate is required to be installed inside the original intelligent lock panel, and only the motor 7 and the power supply on the original intelligent lock are shared by the intelligent lock adapter plate, so that the intelligent lock adapter plate is small in size and convenient to install. The intelligent lock provided with the intelligent lock adapter plate does not affect any function of the original lock. Under default, pin P1.7 and P3.5 of singlechip 1 outwards export low level, and at this moment, the collecting electrode of Q1 and Q2 in the relay module 5 is the high level, and the coil in first relay and the second relay is circular telegram, the output contact point of first relay is with the motor drive 8 positive pole on the original intelligence lock with the motor 7 positive pole on the original intelligence lock be connected, the output contact point of second relay is with the motor drive 8 negative pole on the original intelligence lock with the motor 7 negative pole on the original intelligence lock be connected, and at this moment, this intelligence lock still is according to the control of original mode and is unblanked and close the lock.
When the original circuit inside the intelligent lock fails, a user can communicate with the singlechip 1 by utilizing an intelligent terminal (such as a smart phone), and unlocking and locking are controlled by the intelligent terminal, and the specific process is as follows: the singlechip 1 receives unlocking or locking instructions issued by an external intelligent terminal through a wireless communication module 4 connected with pins P3.0 and P3.1, the singlechip 1 controls output signals OUT1 and OUT2 of a motor driving chip according to the instructions, the singlechip 1 also controls pins P1.7 and P3.5 to output high level outwards, at the moment, collectors of Q1 and Q2 in a relay module 5 are low level, coils in a first relay and a second relay are not electrified, an output contact point of the first relay connects an output signal OUT1 of the motor driving chip with an anode of a motor 7 of an original intelligent lock, and an output contact point of the second relay connects an output signal OUT2 of the motor driving chip with a cathode of the motor 7 of the original intelligent lock, and at the moment, the singlechip 1 controls the motor driving chip to realize unlocking and locking.
Therefore, the intelligent lock adapter plate not only does not influence the use of any function of the original intelligent lock, but also can realize unlocking and locking through wireless communication control with the user intelligent terminal when the original circuit fails, so that the problem that the lock is suddenly disassembled due to the failure of the internal circuit of the lock or the user forgets to take a key in the prior art is solved, the use convenience of the intelligent lock is greatly improved, and the user experience is improved.
In addition, the circuit board is also provided with a wired expansion interface. The function of the intelligent lock after leaving the factory can be expanded through the wired expansion interface, so that the actual requirements of users are met.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (2)
1. An intelligent lock keysets, its characterized in that includes: the circuit board, be equipped with on the circuit board: the system comprises a singlechip, a motor driving module, a voltage stabilizing module, a wireless communication module and a relay module;
the input end of the voltage stabilizing module is electrically connected with the power module on the original intelligent lock, the output end of the voltage stabilizing module is respectively electrically connected with the singlechip, the motor driving module and the wireless communication module, and the voltage stabilizing module supplies power for the singlechip, the motor driving module and the wireless communication module;
The singlechip is also respectively and electrically connected with the wireless communication module, the motor driving module and the relay module; the input end of the relay module is electrically connected with the motor driving module, and the output end of the relay module is electrically connected with the anode and the cathode of the miniature motor on the original intelligent lock respectively; the singlechip can receive unlocking and locking instructions issued by an external intelligent terminal through the wireless communication module, and controls the motor driving module and the relay module to realize the rotation of the miniature motor according to the instructions, so that unlocking and locking are completed;
Wherein, the steady voltage module includes: the input end of the 7805 three-terminal voltage stabilizer is connected with the positive electrode of the power module on the original intelligent lock through a diode D1; the input end of the 7805 three-terminal voltage stabilizer is connected with the cathode of the diode D1, and the anode of the original intelligent-lock power module is connected with the anode of the diode D1;
A capacitor C1 and a capacitor C2 which are mutually connected in parallel are further arranged between the cathode of the diode D1 and the input end of the 7805 three-terminal voltage stabilizer, one end of the capacitor C1 and one end of the capacitor C2 are connected in parallel to the input end of the 7805 three-terminal voltage stabilizer, and the other end of the capacitor C1 and the other end of the capacitor C2 are grounded after the capacitor C1 and the capacitor C2 are connected in parallel;
the 7805 three-terminal voltage stabilizer can stabilize the 6v or 12v voltage output by the power supply module to 5v output;
Wherein the singlechip is an AT89C2051 singlechip; the power supply voltage pin of the singlechip is connected with the output end of the 7805 three-terminal voltage stabilizer; the XTAL1 pin and the XTAL2 pin on the singlechip are respectively connected with the crystal oscillator; the two-way I/O port pins P3.0 and P3.1 on the singlechip are respectively and correspondingly connected with a data transmitting end and a data receiving end of the wireless communication module;
The motor driving module is an L9110 motor driving chip; the power supply voltage pin of the L9110 motor driving chip is connected with the output end of the 7805 three-terminal voltage stabilizer through a resistor R001; two paths of input pins IN1 and IN2 of the L9110 motor driving chip are correspondingly connected with pins P3.3 and P3.4 on the singlechip respectively, and two paths of output pins OUT1 and OUT2 of the L9110 motor driving chip are connected with the input end of the relay module respectively;
The singlechip outputs control signals to the L9110 motor driving chip by using pins P3.3 and P3.4, and the L9110 motor driving chip controls output signals of two paths of output pins OUT1 and OUT2 to the relay module according to signals received by two paths of input pins IN1 and IN 2;
the relay module comprises two paths of control circuits, wherein the first path of control circuit comprises: a first relay and a first driving circuit; the second path control circuit includes: a second relay and a second driving circuit;
The first driving circuit includes: transistor Q2, resistor R3 and diode D4; the base electrode of the triode Q2 is connected with a pin P1.7 of the singlechip through a resistor R3; the emitter of the triode Q2 is connected with the output end of the 7805 three-terminal voltage stabilizer through a resistor R002; the collector of the triode Q2 is connected with one end of the coil of the first relay, and the collector of the triode Q2 is connected with the other end of the coil of the first relay in parallel through a diode D4 and then grounded; the normally closed contact of the first relay is connected with the OUT1 output pin of the L9110 motor driving chip; the normally open contact of the first relay is connected with the motor driving positive electrode of the original intelligent lock; the output contact of the first relay is connected with the positive electrode of the motor on the original intelligent lock;
The second driving circuit includes: transistor Q1, resistor R4 and diode D5; the base electrode of the triode Q1 is connected with a pin P3.5 of the singlechip through a resistor R4; the emitter of the triode Q1 is connected with the emitter of the triode Q2; the collector of the triode Q1 is connected with one end of the coil of the second relay, and the collector of the triode Q1 is connected with the other end of the coil of the second relay in parallel through a diode D5 and then grounded; the normally closed contact of the second relay is connected with the OUT2 output pin of the L9110 motor driving chip; the normally open contact of the second relay is connected with a motor driving negative electrode on the original intelligent lock; the output contact of the second relay is connected with the negative electrode of the motor on the original intelligent lock;
the wireless communication module is a WiFi module or a Bluetooth module; and
And the circuit board is also provided with a wired expansion interface.
2. The smart lock patch panel of claim 1, wherein the voltage regulator module further comprises: the REG1117 voltage stabilizing chip, the input end of REG1117 voltage stabilizing chip is connected with the output end of 7805 three-terminal voltage stabilizer, the output end of REG1117 voltage stabilizing chip is connected with the power supply voltage pin of wireless communication module, REG1117 voltage stabilizing chip can be with the 5v voltage steady voltage of 7805 three-terminal voltage stabilizer output is to 3.3v output.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810429104.2A CN108510633B (en) | 2018-05-07 | 2018-05-07 | Intelligent lock adapter plate |
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|---|---|---|---|
| CN201810429104.2A CN108510633B (en) | 2018-05-07 | 2018-05-07 | Intelligent lock adapter plate |
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| CN108510633A CN108510633A (en) | 2018-09-07 |
| CN108510633B true CN108510633B (en) | 2024-05-31 |
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| CN109460802A (en) * | 2018-10-31 | 2019-03-12 | 成都航空职业技术学院 | Skate monitoring system and its monitoring method based on wireless transmission and RFID |
| CN110209082A (en) * | 2019-05-29 | 2019-09-06 | 安徽大学 | It is switched based on the home intelligent of wireless telecommunications and computer technology |
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| CN208126464U (en) * | 2018-05-07 | 2018-11-20 | 北京起元智能科技有限公司 | Smart lock pinboard |
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