Control system of unlocking function of intelligent lock
Technical Field
The invention discloses a control system for an unlocking function of an intelligent lock, and belongs to the technical field of electronic control.
Background
The appearance of full-automatic lock makes the intelligent degree of lock have very big promotion, especially need not change the lock body when full-automatic intelligence lock is installed, and the application is wide, and easy operation therefore receives consumer's welcome, so becomes the new favorite of intelligence lock trade.
But from the use condition of the full-automatic intelligent lock purchased by the current consumer, the prospect is not optimistic, and as the number of minor defects is large, the failure rate is high, and the complaints of the consumer are large, a plurality of large-scale intelligent lock companies are forbidden to the high-grade product.
At present, the unlocking mode of opening the door is mostly traditional mechanical key or fingerprint, the password, the card, all adopt single system single clutch structure, namely the fingerprint, the password, the card is all concentrated in one set of system, in case of system failure, that all system of unblanking will not be used, can only unblank through spare system, only can get into the family door with spare key unlocking, but the user that uses the intelligence lock basically can not take a key out of the door again every day in order to need from time to time, and according to statistics, the people who has installed the intelligence lock just can not find original equipment spare key again after three months more than 85%, in order to need from time spare key can not find or not hand-carry, in case that the system of unblanking breaks down, that can't get into the family door, can only find the company of unblanking and break and tear open and can get into the family door through violence.
The use of the spare key enables the intelligent lock to be provided with the mechanical lock hole, and the existence of the mechanical lock hole can provide a chance for a thief, so that the safety of the intelligent lock is greatly influenced.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a control system of an unlocking function of an intelligent lock, wherein three sets of unlocking systems of fingerprints, passwords and cards are independently operated, other unlocking systems can still be normally used even if system faults occur, a lockhole-free design is adopted, the whole machine body does not have any mechanical lockhole, the technical unlocking can be thoroughly avoided, the situation that a user cannot go home due to forgetting to take a spare key can be avoided, the stability and the service life of the product are improved, and the use safety of the product is ensured.
In order to solve the technical problems, the invention adopts the following technical scheme:
a control system for an unlocking function of an intelligent lock comprises a display module, a voice broadcast module, a password module, a fingerprint module, a card swiping module and a touch control module, wherein the display module, the voice broadcast module and the touch control module are connected with the password module;
the voice broadcast module comprises a chip U6, the model of the chip U6 is NV180C, pin 1 of the chip U6 is connected with pin 1 of a connector P3, pin 2 of the chip U6 is connected with pin 19 of one end of a capacitor C30 and a chip U6, and is connected with a 3.3V power supply, pin 3 of the chip U6 is connected with one end of a capacitor C32, the other end of the capacitor C32 and the other end of the capacitor C30 are grounded, pin 7 of the chip U6 is connected with pin 6 of a chip U9, pin 15 of the chip U6 and pin 16 of the chip U6 are grounded, pin 19 of the chip U6 is connected with one end of a capacitor C31, the other end of the capacitor C31 is grounded, and pin 20 of the chip U6 is connected with pin 2.
Further, the display module comprises a field effect transistor Q7 and a field effect transistor Q8, a gate of the field effect transistor Q7 is connected with a pin 5 of the chip U9 and one end of the resistor R9, a source of the field effect transistor Q9 and the other end of the resistor R9 are grounded, a drain of the field effect transistor Q9 is connected with one end of the diode D9, one end of the diode D9 and one end of the diode D9, a gate of the field effect transistor Q9 is connected with a pin 4 of the chip U9 and one end of the resistor R9, a source of the field effect transistor Q9 and the other end of the resistor R9 are grounded, a drain of the field effect transistor Q9 is connected with one end of the diode D9, one end of the diode D9 and one end of the diode D9, the other end of the diode, The other end of the diode D16, the other end of the diode D17, the other end of the diode D18, the other end of the diode D19, the other end of the diode D20 and the other end of the diode D21 are connected with one end of a resistor R32, and the other end of the resistor R32 is connected with a 3.3V power supply.
Further, the cryptographic module includes a chip U9, a type of the chip U9 is PIC16LF1936, a pin 1 of the chip U9 is connected to one end of a stop valve J2, the other end of the stop valve J2 is connected to one end of a resistor R2 and one end of a capacitor C2, the other end of the resistor R2 is connected to a 3.3V power supply, a pin 3 of the chip U2 is connected to one end of the capacitor C2, a pin 5 of the chip U2 is connected to one end of the chip U2, a pin 7 of the chip U2 is connected to one end of the resistor R2, the other end of the resistor R2 is connected to a pin 28 of the chip U2, a pin 8 of the chip U2 is connected to the other end of the capacitor C2, a pin 9 of the chip U2 is connected to one end of the resistor R2, the other end of the connector P2 is connected to a pin 5 of the connector P2, a pin 10 of the chip U2 is connected to a pin 6 of the connector P2, a pin 11 of the chip U2 is connected to the connector of the chip U2, a pin 13 of the chip U36, a 16 pin of a chip U9 is connected with a 16 pin of a chip U2, a 17 pin of a chip U9 is connected with a 4 pin of a connector P11, a 18 pin of a chip U9 is connected with a 3 pin of a connector P11, a 19 pin of the chip U9 is grounded, a 20 pin of a chip U9 is connected with one end of a capacitor C61, a 21 pin of the chip U9 is connected with one end of a resistor R9, a 22 pin of the chip U9 is connected with one end of the resistor R9, a 24 pin of the chip U9 is connected with a 1 pin of an interface S9, a 2 pin of the interface S9 is grounded, a 25 pin of the chip U9 is connected with a 5 pin of the connector P9, a 26 pin of the chip U9 is connected with one end of the resistor R9, the other end of the resistor R9 is connected with a 3 pin of the connector P9, a 27 pin of the chip U9 is connected with one end of a stop valve J9, the other end of the stop valve J9 is connected with;
the cryptographic module further comprises a connector P5, wherein a pin 1 of the connector P5 is connected with a pin 1 of the chip U9, a pin 2 of the connector P5 is connected with a 3.3V power supply, a pin 3 of the connector P5 is grounded, a pin 4 of the connector P5 is connected with a pin 28 of the chip U9, a pin 4 of the connector P5 is connected with a pin 28 of the chip U9, and a pin 5 of the connector P5 is connected with a pin 27 of the chip U9.
Further, the fingerprint module comprises a chip U8, the model of the chip U8 is PIC16LF1936, a pin 1 of the chip U8 is connected with one end of a stop valve J1 and a pin 1 of a connector P1, the other end of the stop valve J1 is connected with one end of a resistor R1 and one end of a capacitor C1, a pin 8 of the chip U1 is connected with the other end of the capacitor C1, a pin 11 of the chip U1 is connected with one end of the capacitor C1 and one end of a crystal oscillator X1, a pin 12 of the chip U1 is connected with one end of the capacitor C1 and the other end of the crystal oscillator X1, a pin 13 of the chip U1 is connected with one end of the resistor R1, the other end of the connector P1 is connected with a pin 4 of the connector P1, a pin 17 of the chip U1 is connected with a pin 2 of the connector P1, a pin 18 of the chip U1 is connected with a pin 3 of the connector P1, a pin 19 of the chip U1 and the other end of the capacitor C1 are connected with the other end of the power supply, the power, the 21 pin of the chip U8 is connected with the 21 pin of the chip U8, the 22 pin of the chip U8 is connected with the 22 pin of the chip U8, the 23 pin of the chip U8 is connected with the 5 pin of the P8, the 27 pin of the chip U8 is connected with one end of a stop valve J8 and the 5 pin of the connector P8, the other end of the stop valve J8 is connected with the 4 pin of the connector P8, the 28 pin of the chip U8 is connected with one end of the stop valve J8 and the 4 pin of the connector P8, the other end of the stop valve J8 is connected with the 7 pin of the chip U8, the 9 pin of the chip U8 is connected with one end of a resistor R8, the other end of the resistor R8 is connected with one end of a diode D8, the other end of the resistor R8 is connected with one end of a resistor R8, the other end of the diode D8 is connected with one end of the source of the field effect transistor Q8, and one end of the drain of the field effect transistor Q8 are connected with the drain of the, the other end of the resistor R44 is connected with one end of a capacitor C65 and one end of a resistor R43, and is connected with a 3.3V power supply, the other end of the capacitor C65 is grounded, the other end of the resistor R43 is connected with the 3.3V power supply, a 14 pin of the chip U8 is connected with one end of a resistor R17 and a grid electrode of the field effect transistor Q2, a source electrode of the field effect transistor Q2 and the other end of the resistor R17 are connected with the 3.3V power supply, a drain electrode of the field effect transistor Q2 is connected with one end of a capacitor C34 and one end of a capacitor C33, and is connected with.
Further, the fingerprint module further comprises a connector P4, wherein a pin 1 of the connector P4 is connected with one end of a diode D24, one end of a diode D25, one end of a diode D26, one end of a diode D27 and one end of a diode D28, the connector P4 is connected with the other end of a diode D24 and a pin 17 of a chip U8, a pin 3 of the connector P4 is connected with the other end of the diode D25 and a pin 18 of the chip U8, a pin 4 of the connector P4 is connected with the other end of a diode D26 and is connected with a 3V power supply, a pin 5 of the connector P4 is connected with the other end of a diode D27 and a pin 23 of the chip U8, and a pin 6 of the connector P4 is connected with the other end of a.
Further, the touch control module comprises a chip U2, the model of the chip U2 is WTC6212 2, the pin 1 of the chip U2 is connected with one end of a resistor R2, the other end of the resistor R2 is connected with the pin 5 of a connector P2, the pin 2 of the chip U2 is connected with one end of the resistor R2, the other end of the resistor R2 is connected with the pin 6 of the connector P2, the pin 3 of the chip U2 is connected with one end of the resistor R2, the other end of the resistor R2 is connected with the pin 7 of the connector P2, the pin 4 of the chip U2 is connected with one end of the resistor R2, the other end of the resistor R2 is connected with the pin 10 of the connector P2, the pin 7 of the chip U2 is connected with one end of the resistor R2, the other end of the resistor R2 is connected with one end of the connector P2, and the pin P2 is connected with one end of the connector P2, the other end of the resistor R2 is connected with one end of the connector P2, the other end of the resistor R14 is connected with the 12 pin of the connector P1, the 21 pin of the chip U2 is connected with one end of a resistor R8, the other end of the resistor R8 is connected with the 1 pin of the connector P1, the 22 pin of the chip U2 is connected with one end of a resistor R5, the other end of the resistor R5 is connected with the 2 pin of the connector P1, the 23 pin of the chip U2 is connected with one end of a resistor R3, the other end of the resistor R3 is connected with the 3 pin of the connector P1, the 24 pin of the chip U2 is connected with one end of a resistor R1, and the other end of.
Furthermore, a pin 9 of the chip U2 is connected with one end of a capacitor C17, the other end of the capacitor C17 is grounded with a pin 10 of the chip U2, a pin 11 of the chip U2 is connected with a pin 2 of the chip U5 and one end of the capacitor C28, and is connected with a pin 23 of the chip U9, a pin 12 of the chip U2 is connected with one end of a capacitor C29 and one end of a resistor R15, the capacitor C29 is connected with a pin 4 of the chip U5, a pin 5 of the chip U5 is connected with a 3.3V power supply, a pin 1 of the chip U5 is connected with one end of a capacitor C69, a pin 3 of the chip U5 is connected with one end of a capacitor C68 and is grounded, the other end of the capacitor C68 is connected with a 3.3V power supply, the other end of the resistor R15 is connected with one end of a capacitor C.
Further, a pin 13 of the chip U2 is connected to one end of a capacitor C21, a pin 14 of the chip U2 is connected to one end of a capacitor C20, a pin 15 of the chip U2 is connected to one end of a capacitor C19, a pin 16 of the chip U2 is connected to one end of a capacitor C18, a pin 17 of the chip U2 is connected to one end of a resistor R10 and one end of a capacitor C16, a pin 18 of the chip U2 is connected to one end of a resistor R12 and the other end of a resistor R10, and is connected to a 3.3V power supply, a pin 19 of the chip U2 is connected to one end of a capacitor C23 and a pin 27 of the chip U9, a pin 20 of the chip U2 is connected to one end of a resistor R12, the other end of the capacitor C12, the other end.
Further, the card swiping module comprises a chip U7, the model of the chip U7 is THM3010, the 1 pin of the chip U7 is grounded, the 2 pin of the chip U7 is connected with the 4 pin of the chip U8, the 3 pin of the chip U7 is connected with a 3.3V power supply, the 4 pin of the chip U7 is grounded, the 5 pin of the chip U7 is connected with the 3.3V power supply, the 7 pin of the chip U7 is connected with one end of a capacitor C37, the 8 pin of the chip U37 is connected with one end of the capacitor C37 and one end of a resistor R37, the 6 pin of the chip U37, the other end of the capacitor C37 and the other end of the capacitor C37 are grounded, the other end of the resistor R37 is connected with the 11 pin of the chip U37, the 12 pin of the chip U37 is connected with one end of the capacitor C37 and one end of a crystal oscillator X37, the 13 pin of the chip U37 is connected with one end of the capacitor C37 and the ground, the power supply pin of the chip U37 is connected with the ground, the chip U3616 pin of the chip U37 and the;
the pin 21 of the chip U7 is connected with the pin 3 of the chip U8, the pin 22 of the chip U7 is connected with the pin 8 of the chip U8, the pin 24 of the chip U7 is connected with the pin 5 of the chip U8, the pin 25 of the chip U7 is grounded, the pin 28 of the chip U7 is connected with the pin 2 of the chip U8, the pin 30 of the chip U7 is connected with a 3.3V power supply, the pin 31 of the chip U7 is grounded, the pin 32 of the chip U7 is connected with the pin 24 of the chip U8, the pin 18 of the chip U7 is connected with one end of a capacitor C3, one end of a capacitor C4, one end of a capacitor C5 and one end of an inductor L1, the other end of the capacitor C3, the other end of the capacitor C4 and the other end of the.
Furthermore, the card swiping module also comprises a connector P, wherein 1 pin of the connector P is connected with one end of a capacitor C, one end of the capacitor C, one end of a diode D and one end of an inductor L, the other end of the diode D is connected with one end of the capacitor C, one end of a resistor R and one end of the capacitor C, the other end of the resistor R and the other end of the inductor C are grounded, the other end of the inductor C is connected with 11 pins of a chip U, the other end of the inductor L is connected with 19 pins of the chip U, 2 pins of the connector P are connected with the other end of the capacitor C, one end of the inductor C and are grounded, 3 pins of the connector P are connected with the other end of the capacitor C, one end of the inductor L and one end of the diode, the other end of the resistor R34 is connected with one end of a resistor R39, and the other end of the resistor R39, the other end of the resistor R38 and the other end of the capacitor C59 are grounded.
By adopting the technical scheme, compared with the prior art, the invention has the following technical effects:
with three sets of system's independent operation of unblanking of fingerprint, password, card, even meet system's trouble, other system of unblanking still can normal use, adopt no lockhole design, whole fuselage does not have any mechanical lockhole, can thoroughly avoid unblanking by technical, can avoid simultaneously again because of forgetting the condition of going home that leads to of spare key, increased the stability and the life of product, ensure the security that the product used.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic circuit diagram of a display module according to the present invention;
fig. 2 is a circuit schematic diagram of a voice broadcast module according to the present invention;
FIGS. 3 to 7 are schematic circuit diagrams of a cryptographic module according to the present invention;
FIGS. 8-10 are schematic circuit diagrams of a fingerprint module according to the present invention;
FIG. 11 is a schematic circuit diagram of a touch control module according to the present invention;
fig. 12 and 13 are schematic circuit diagrams of the card swiping module in the invention.
Detailed Description
The utility model provides a control system of function of unblanking of intelligence lock, includes display module, voice broadcast module, cryptographic module, fingerprint module, the module of punching the card and touch control module, and display module, voice broadcast module and touch control module connect cryptographic module, and cryptographic module and the module of punching the card are connected to fingerprint module.
As shown in FIG. 1, the display module comprises a field effect transistor Q7 and a field effect transistor Q8, wherein the grid of the field effect transistor Q7 is connected with a pin 5 of a chip U9 and one end of a resistor R9, the source of the field effect transistor Q9 and the other end of the resistor R9 are grounded, the drain of the field effect transistor Q9 is connected with one end of a diode D9, one end of a diode D9 and one end of a diode D9, the grid of the field effect transistor Q9 is connected with a pin 4 of the chip U9 and one end of the resistor R9, the source of the field effect transistor Q9 and the other end of the resistor R9 are grounded, the drain of the field effect transistor Q9 is connected with one end of a diode D9, one end of the diode D9 and one end of the diode D9, the other end of the diode D9, the, The other end of the diode D16, the other end of the diode D17, the other end of the diode D18, the other end of the diode D19, the other end of the diode D20 and the other end of the diode D21 are connected with one end of a resistor R32, and the other end of the resistor R32 is connected with a 3.3V power supply.
As shown in fig. 2, the voice broadcast module includes a chip U6, the model of the chip U6 is NV180C, pin 1 of the chip U6 is connected with pin 1 of a connector P3, pin 2 of the chip U6 is connected with one end of a capacitor C30 and pin 19 of the chip U6, and is connected with a 3.3V power supply, pin 3 of the chip U6 is connected with one end of a capacitor C32, the other end of the capacitor C32 and the other end of the capacitor C30 are grounded, pin 7 of the chip U6 is connected with pin 6 of the chip U9, pin 15 of the chip U6 and pin 16 of the chip U6 are grounded, pin 19 of the chip U6 is connected with one end of a capacitor C31, the other end of the capacitor C31 is grounded, and pin 20 of the chip U6 is connected with pin.
As shown in fig. 3 to 7, the cryptographic module includes a chip U9, a type of the chip U9 is PIC16LF1936, a pin 1 of the chip U9 is connected to one end of a stop valve J2, the other end of the stop valve J2 is connected to one end of a resistor R2 and one end of a capacitor C2, the other end of the resistor R2 is connected to a 3.3V power supply, a pin 3 of the chip U2 is connected to one end of the capacitor C2, a pin 5 of the chip U2 is connected to one end of the chip U2, a pin 7 of the chip U2 is connected to one end of the resistor R2, the other end of the resistor R2 is connected to a pin 28 of the chip U2, a pin 8 of the chip U2 is connected to the other end of the capacitor C2, a pin 9 of the chip U2 is connected to one end of the resistor R2, the other end of the resistor R2 is connected to a pin 5 of a connector P2, a pin 10 of the chip U2 is connected to a pin 6 of the P2, a pin 11 of the chip U2, a connector of the chip U2 is connected to a pin of the chip U, the 16 pin of the chip U9 is connected with the 16 pin of the chip U2, the 17 pin of the chip U9 is connected with the 4 pin of the connector P11, the 18 pin of the chip U9 is connected with the 3 pin of the connector P11, the 19 pin of the chip U9 is grounded, the 20 pin of the chip U9 is connected with one end of a capacitor C61, the 21 pin of the chip U9 is connected with one end of a resistor R9, the 22 pin of the chip U9 is connected with one end of the resistor R9, the 24 pin of the chip U9 is connected with the 1 pin of an interface S9, the 2 pin of the interface S9 is grounded, the 25 pin of the chip U9 is connected with the 5 pin of the connector P9, the 26 pin of the chip U9 is connected with one end of the resistor R9, the other end of the resistor R9 is connected with the 3 pin of the connector P9, the 27 pin of the chip U9 is connected with one end of a stop valve J9, the other end of the stop valve J9 is connected with.
The cryptographic module further comprises a connector P5, wherein a pin 1 of the connector P5 is connected with a pin 1 of the chip U9, a pin 2 of the connector P5 is connected with a 3.3V power supply, a pin 3 of the connector P5 is grounded, a pin 4 of the connector P5 is connected with a pin 28 of the chip U9, a pin 4 of the connector P5 is connected with a pin 28 of the chip U9, and a pin 5 of the connector P5 is connected with a pin 27 of the chip U9.
As shown in fig. 8 to 10, the fingerprint module includes a chip U8, a model of the chip U8 is PIC16LF1936, a pin 1 of the chip U8 is connected with one end of a stop valve J1 and a pin 1 of a connector P1, the other end of the stop valve J1 is connected with one end of a resistor R1 and one end of a capacitor C1, a pin 8 of the chip U1 is connected with the other end of the capacitor C1, a pin 11 of the chip U1 is connected with one end of the capacitor C1 and one end of a crystal oscillator X1, a pin 12 of the chip U1 is connected with one end of the capacitor C1 and the other end of the crystal oscillator X1, a pin 13 of the chip U1 is connected with one end of the resistor R1, the other end of the capacitor R1 is connected with a pin 4 of the connector P1, a pin 17 of the chip U1 is connected with a pin 2 of the connector P1, a pin 18 of the chip U1 is connected with a pin 3 of the connector P1, a pin 19 of the chip U1 is connected with the other end of the capacitor C1, and the other end of the other end, the 21 pin of the chip U8 is connected with the 21 pin of the chip U8, the 22 pin of the chip U8 is connected with the 22 pin of the chip U8, the 23 pin of the chip U8 is connected with the 5 pin of the P8, the 27 pin of the chip U8 is connected with one end of a stop valve J8 and the 5 pin of the connector P8, the other end of the stop valve J8 is connected with the 4 pin of the connector P8, the 28 pin of the chip U8 is connected with one end of the stop valve J8 and the 4 pin of the connector P8, the other end of the stop valve J8 is connected with the 7 pin of the chip U8, the 9 pin of the chip U8 is connected with one end of a resistor R8, the other end of the resistor R8 is connected with one end of a diode D8, the other end of the resistor R8 is connected with one end of a resistor R8, the other end of the diode D8 is connected with one end of the source of the field effect transistor Q8, and one end of the drain of the field effect transistor Q8 are connected with the drain of the, the other end of the resistor R44 is connected with one end of a capacitor C65 and one end of a resistor R43, and is connected with a 3.3V power supply, the other end of the capacitor C65 is grounded, the other end of the resistor R43 is connected with the 3.3V power supply, a 14 pin of the chip U8 is connected with one end of a resistor R17 and a grid electrode of the field effect transistor Q2, a source electrode of the field effect transistor Q2 and the other end of the resistor R17 are connected with the 3.3V power supply, a drain electrode of the field effect transistor Q2 is connected with one end of a capacitor C34 and one end of a capacitor C33, and is connected with.
The fingerprint module further comprises a connector P4, wherein a pin 1 of the connector P4 is connected with one end of a diode D24, one end of a diode D25, one end of a diode D26, one end of a diode D27 and one end of a diode D28, the connector P4 is connected with the other end of a diode D24 and a pin 17 of a chip U8, a pin 3 of the connector P4 is connected with the other end of a diode D25 and a pin 18 of the chip U8, a pin 4 of the connector P4 is connected with the other end of a diode D26 and is connected with a 3V power supply, a pin 5 of the connector P4 is connected with the other end of a diode D27 and a pin 23 of the chip U8, and a pin 6 of the connector P4 is connected with the other end.
As shown in fig. 11, the touch control module includes a chip U2, the model of the chip U2 is WTC6212 2, pin 1 of the chip U2 is connected to one end of a resistor R2, the other end of the resistor R2 is connected to pin 5 of a connector P2, pin 2 of the chip U2 is connected to one end of the resistor R2, the other end of the resistor R2 is connected to pin 6 of the connector P2, pin 3 of the chip U2 is connected to one end of the resistor R2, the other end of the resistor R2 is connected to pin 7 of the connector P2, pin 4 of the chip U2 is connected to one end of the resistor R2, the other end of the resistor R2 is connected to pin 10 of the connector P2, pin 7 of the chip U2 is connected to one end of the resistor R2, the other end of the resistor R2 is connected to one end of the connector P2, and the other end of the connector P2 is connected to pin 7 of the connector P2, the other end of the resistor R14 is connected with the 12 pin of the connector P1, the 21 pin of the chip U2 is connected with one end of a resistor R8, the other end of the resistor R8 is connected with the 1 pin of the connector P1, the 22 pin of the chip U2 is connected with one end of a resistor R5, the other end of the resistor R5 is connected with the 2 pin of the connector P1, the 23 pin of the chip U2 is connected with one end of a resistor R3, the other end of the resistor R3 is connected with the 3 pin of the connector P1, the 24 pin of the chip U2 is connected with one end of a resistor R1, and the other end of.
The 9 pin of the chip U2 is connected with one end of a capacitor C17, the other end of the capacitor C17 and the 10 pin of the chip U2 are grounded, the 11 pin of the chip U2 is connected with the 2 pin of the chip U5 and one end of the capacitor C28 and is connected with the 23 pin of the chip U9, the 12 pin of the chip U2 is connected with one end of a capacitor C29 and one end of a resistor R15, the capacitor C29 is connected with the 4 pin of the chip U5, the 5 pin of the chip U5 is connected with a 3.3V power supply, the 1 pin of the chip U5 is connected with one end of a capacitor C69, the 3 pin of the chip U5 is connected with one end of a capacitor C68 and is grounded, the other end of the capacitor C68 is connected with a 3.3V power supply, the other end of the resistor R15 is connected with one end of a capacitor.
The pin 13 of the chip U2 is connected with one end of a capacitor C21, the pin 14 of the chip U2 is connected with one end of a capacitor C20, the pin 15 of the chip U2 is connected with one end of a capacitor C19, the pin 16 of the chip U2 is connected with one end of a capacitor C18, the pin 17 of the chip U2 is connected with one end of a resistor R10 and one end of a capacitor C16, the pin 18 of the chip U2 is connected with one end of a resistor R12 and the other end of a resistor R10 and is connected with a 3.3V power supply, the pin 19 of the chip U2 is connected with one end of a capacitor C23 and the pin 27 of the chip U9, the pin 20 of the chip U2 is connected with one end of a resistor R12, the other end of the capacitor C12, the other.
As shown in fig. 12 and 13, the card swiping module includes a chip U7, the model of the chip U7 is THM3010, pin 1 of the chip U7 is grounded, pin 2 of the chip U7 is connected to pin 4 of the chip U8, pin 3 of the chip U7 is connected to a 3.3V power supply, pin 4 of the chip U7 is grounded, pin 5 of the chip U7 is connected to a 3.3V power supply, pin 7 of the chip U7 is connected to one end of a capacitor C37, pin 8 of the chip U7 is connected to one end of a capacitor C38 and one end of a resistor R19, pin 6 of the chip U7, the other end of the capacitor C37 and the other end of the capacitor C38 are grounded, the other end of the resistor R19 is connected with the 11 pin of the chip U7, the 12 pin of the chip U7 is connected with one end of a capacitor C42 and one end of a crystal oscillator X1, the 13 pin of the chip U7 is connected with one end of a capacitor C41 and the other end of a crystal oscillator X1, the other end of a capacitor C41 and the other end of a capacitor C42 are grounded, the 14 pin of the chip U7 is connected with a 3.3V power supply, the 15 pin of the chip U7 and the 16 pin of the chip U7 are grounded, and the.
The pin 21 of the chip U7 is connected with the pin 3 of the chip U8, the pin 22 of the chip U7 is connected with the pin 8 of the chip U8, the pin 24 of the chip U7 is connected with the pin 5 of the chip U8, the pin 25 of the chip U7 is grounded, the pin 28 of the chip U7 is connected with the pin 2 of the chip U8, the pin 30 of the chip U7 is connected with a 3.3V power supply, the pin 31 of the chip U7 is grounded, the pin 32 of the chip U7 is connected with the pin 24 of the chip U8, the pin 18 of the chip U7 is connected with one end of a capacitor C3, one end of a capacitor C4, one end of a capacitor C5 and one end of an inductor L1, the other end of the capacitor C3, the other end of the capacitor C4 and the other end of the.
The card swiping module further comprises a connector P, wherein pin 1 of the connector P is connected with a capacitor C end, a diode D end and an inductor L end, the other end of the diode D is connected with the capacitor C end, a resistor R end and the capacitor C end, the other end of the resistor R and the other end of the inductor C are grounded, the other end of the inductor C is connected with the resistor R end, the other end of the resistor R is connected with pin 11 of the chip U, the other end of the inductor L is connected with pin 19 of the chip U, pin 2 of the connector P is connected with the other end of the capacitor C, the one end of the inductor C and is grounded, pin 3 of the connector P is connected with the other end of the capacitor C, the one end of the inductor L, the other end of the resistor R34 is connected with one end of a resistor R39, and the other end of the resistor R39, the other end of the resistor R38 and the other end of the capacitor C59 are grounded.
Card swiping module, password module, fingerprint module are controlled through chip U7, chip U9, chip U8 respectively, with three sets of systems of unblanking of fingerprint, password, card independent operation, even run into system's trouble, other systems of unblanking still can normal use.
The description of the present invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.