CN204204009U - A kind of radio frequency card door lock control circuit - Google Patents
A kind of radio frequency card door lock control circuit Download PDFInfo
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- CN204204009U CN204204009U CN201420654691.2U CN201420654691U CN204204009U CN 204204009 U CN204204009 U CN 204204009U CN 201420654691 U CN201420654691 U CN 201420654691U CN 204204009 U CN204204009 U CN 204204009U
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Abstract
The utility model discloses a kind of radio frequency card door lock control circuit, include central processing unit integrated circuit, the driving circuit of the radio communication integrated circuit be connected with central processing unit integrated circuit, power switch integrated circuit, direct current generator, internal storage integrated circuit, AD sample and filtering and amplifying circuit.The utility model has low-voltage, low-power consumption, low cost, advantage that volume is little, and wiring rationally, uses the battery powered control circuit of saltiness, meet the demand of client.
Description
Technical field
The utility model relates to control circuit field, specifically a kind of radio frequency card door lock control circuit.
Background technology
Modern times are high-tech industrialization of information epoch, be also the high-tech electronic information products epoch, and these electronic products be unable to do without the control of electronic circuit.Radio frequency card door lock instead of mechanical key, eliminate the loaded down with trivial details numbering of mechanical key and easy to breakly easily fall the weak point of just looking for and not returning, more flexible and convenient, even if blocked bad or lost, as long as supervisory routine is also in PC, only need in supervisory routine, this card information to be removed, be not just afraid of and taken advantage of by without good people is organic, further increase the management intensity of door lock virtually.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of radio frequency card door lock control circuit, and it has low-voltage, low-power consumption, low cost, advantage that volume is little, and wiring rationally, uses the battery powered control circuit of saltiness, meet the demand of client.
The technical solution of the utility model is:
A kind of radio frequency card door lock control circuit, include central processing unit integrated circuit, the driving circuit of the radio communication integrated circuit be connected with central processing unit integrated circuit, power switch integrated circuit, direct current generator, internal storage integrated circuit, AD sample and filtering and amplifying circuit;
Described central processing unit integrated circuit includes microprocessor, the pin 1 of microprocessor connects earth terminal by resistance R17, the pin 2 of microprocessor connects one end of VCC33 and electric capacity C5 respectively, the other end of electric capacity C5 and pin 43 parallel connection access earth terminal, the pin 5 of microprocessor and pin 6 are connected respectively to the two ends of crystal oscillator Y1, pin 7 one end of microprocessor is connected to VCC33 by resistance R16, and the other end connects earth terminal by electric capacity C6;
Described radio communication integrated circuit includes radio frequency chip, the pin 2 of radio frequency chip is by electric capacity C7 ground connection, pin 7 and the pin 9 of radio frequency chip access earth terminal respectively, the pin 8 directly ground connection of radio frequency chip, the pin 11 of radio frequency chip and pin 12 respectively respectively by after electric capacity C8 and C9 with pin 10 earth, one end of the pin 13 of radio frequency chip and one end parallel connection access electric capacity C10 of diode D1, the other end ground connection of electric capacity C10, resistance R18 is parallel on electric capacity C10, the pin 19 of radio frequency chip and pin 20 are connected respectively to the two ends of crystal oscillator Y2, and the pin 19 of radio frequency chip is connected with one end of electric capacity C11, the pin 20 of radio frequency chip is connected with one end of electric capacity C12, the other end of electric capacity C11 and the other end earth of electric capacity C12, the pin 4 of radio frequency chip, pin 5, pin 6, pin 38 respectively with the pin 15 of microprocessor, pin 16, pin 11, pin 17 correspondence connects, the pin 1 of radio frequency chip, pin 3 and pin 39 are all connected with the pin 25 of microprocessor,
Described power switch integrated circuit includes interface chip J1, the pin 1 of interface chip J1 connects output terminal VCC6 respectively, by electric capacity C1 ground connection, pin 2 and the pin 6 of interface chip J1 access earth terminal respectively, the pin 3 of four in parallel resistance combination P1 wherein one end connecting interface chip respectively of three resistance, pin 4 and pin 5, one end of four resistance combination P1 wherein other end contact resistance combination P2 of three resistance, the other end of P2 connects VCC33, one end of electric capacity C2, be connected with motor Wiring port LOCK POWER1 after pin 7 parallel connection of interface chip J1, the other end of electric capacity C2, be connected with motor Wiring port LOCK POWER2 after pin 8 parallel connection of interface chip J1,
The base stage of the NPN triode T2 Y1 of the driving circuit of described direct current generator is connected to the pin 8 of microprocessor by resistance R6, the emitter access earth terminal of triode T2 Y1, one end of the collector contact resistance R7 of triode T2 Y1, the emitter of PNP triode T5 Y2 connects one end of VCC6 and resistance R8, the base stage other end that access R8 in parallel with the other end of resistance R7 of PNP triode T5 Y2, one end of resistance R14 is connected with the collector of PNP triode T5 Y2 respectively with one end of resistance R9, the other end of resistance R14 is connected to earth terminal by resistance R15, the pin 19 of microprocessor is linked between resistance R14 and R15, the other end of resistance R9 and the emitter of PNP triode T6 Y2, the emitter of PNP triode T7 Y2 connects respectively, one end of the base stage contact resistance R10 of PNP triode T6 Y2, one end of the collector contact resistance R11 of PNP triode T6 Y2, the other end of the base stage contact resistance R11 of PNP triode T7 Y2, the other end of the collector contact resistance R10 of PNP triode T7 Y2 and the collector of NPN triode T4 Y1, the base stage of NPN triode T4 Y1 connects the pin 9 of microprocessor by resistance R13, the emitter of NPN triode T4 Y1 connects earth terminal, the collector of NPN triode T3 Y1 is connected to the collector of PNP triode T6 Y2, the base stage of NPN triode T3 Y1 connects the pin 10 of microprocessor by resistance R12, the emitter of NPN triode T3 Y1 connects earth terminal, the collector of NPN triode T3 Y1, the collector of PNP triode T6 Y2 and the base stage of PNP triode T7 Y2 are all connected with motor Wiring port LOCK POWER1, the collector of PNP triode T7 Y2, the collector of NPN triode T4 Y1 and the other end of resistance R10 all with motor Wiring port LOCK POWER2,
Described internal storage integrated circuit comprises storer, the pin 1 of storer, pin 2, pin 3 and pin 4 parallel connection access earth terminal, the pin 5 of storer connects the pin 12 of microprocessor and one end of resistance R2, the pin 6 of storer connects the pin 13 of microprocessor and one end of resistance R1, the pin 7 of storer connects earth terminal, and the pin 8 of storer connects the pin 14 of microprocessor, the other end of resistance R1 and the other end of resistance R2;
The base stage of described AD sampling and the NPN triode Y1 T8 of filtering and amplifying circuit is connected to the pin 44RF TXD interface of radio frequency chip by resistance R5, the emitter of NPN triode Y1 T8 connects one end and the earth terminal of electric capacity C14 respectively, the collector of NPN triode Y1 T8 is connected to the source electrode of power transistor FDV301, the gate pole of power transistor FDV301 is connected with the pin 43RF CLK interface of radio frequency chip, power transistor FDV301 drain electrode be connected with one end of inductance L 1, resistance R22 is connected in parallel on NPN triode Y1 T8, the other end of inductance L 1 connects VCC33 and respectively by electric capacity C13 ground connection, one end of electric capacity L12 connects electric capacity C15, the other end of electric capacity L12 connects the positive pole of diode IN4148, one end of resistance R19 and antenna ANTA, the other end ground connection of resistance R19, the negative pole of diode IN4148 connects one end of electric capacity C17 and one end of resistance R20 respectively, the other end ground connection of electric capacity C17, one end and electric capacity C16 one end of resistance R21 are connected in parallel earth terminal, the other end of resistance R20, the other end of resistance R21 and the other end of electric capacity C16 are connected to the pin 20 KARD DETECT interface of microprocessor.
Described a kind of radio frequency card door lock control circuit also comprises the buzzer drive circuit be connected with central processing unit integrated circuit, it includes hummer and resistance R3, NPN triode T1 Y1, the BEEP end of described hummer connects VCC33, the BELL end of hummer connects the collector of NPN triode T1 Y1, the emitter of NPN triode T1 Y1 connects earth terminal, and the base stage of NPN triode T1 Y1 is connected to the pin 23 of microprocessor by resistance R3.
Described a kind of radio frequency card door lock control circuit also comprises the LED drive circuit be connected with central processing unit integrated circuit, it includes the LED and resistance R4 that are connected in series, the outer end of resistance R4 is connected with the pin 21 of microprocessor, and the outer end of LED is connected with the pin 2221 of microprocessor.
Described a kind of radio frequency card door lock control circuit also comprises 3.3V power circuit, it includes 3.3V voltage stabilizing chip and electric capacity C3, the pin 1 of 3.3V voltage stabilizing chip connects earth terminal and has one end of electrode capacitance C3, the pin 2 of 3.3V voltage stabilizing chip connects VCC-6, and the pin 3 of 3.3V voltage stabilizing chip connects power access end VCC33 and has a grade other end of electric capacity C3.
Described a kind of radio frequency card door lock control circuit also comprises the four-wire system download program and emulation interface integrated circuit that are connected with central processing unit integrated circuit, it includes interface chip J4, the pin 1 of interface chip J4 connects the pin 1 of microprocessor, the pin 2 of interface chip J4 connects VCC33, the pin 3 of interface chip J4 connects the pin 7 of microprocessor, pin 4 ground connection of interface chip J4.
VCC33 of the present utility model refers to 3.3V supply voltage, and VCC6 refers to 6V supply voltage.
Advantage of the present utility model:
In the process that the utility model runs in program, when opening microprocessor, software timer in system is started working, and in the time after initialization, now time value is recorded so that one way per second is cumulative, by SCL(clock line) and SDA(data line) and microprocessor carry out communication, and with frequency once per second, this time to be stored in internal storage.When have radio frequency card near time, magnetic field around antenna changes, then at two Port detectings of antenna to voltage drop, now by AD sample circuit, have radio frequency card near time AD sampled value and initialization context in AD sampled value compare, in time being greater than certain threshold values, trigger AD Sampling interrupt, and the time of now unblanking by SCL(clock line) and SDA(data line) and microprocessor carry out communication, time is now stored in internal storage, data verification after convenient.Hummer and LED buzzing and flicker are once, read the card number of card and the password of checking card, after being verified, pin 9 P2.1 interface and the pin 10 P2.2 interface of microprocessor produce a high level and a low level, controlled the current switching of direct current generator again by the P2.0 interface of microprocessor, then control the rotating forward of direct current generator.After electric machine rotation to certain position, trigger limit switch, at the pin 26 P1.5 Port detecting of microprocessor to low level, motor stalling after waiting for a period of time, motor reversal gets back to original position, P1.5 port gets back to high level state.Following hummer and LED rerun once.The pin 27 P1.6 port of microprocessor and the pin 28 P1.7 port of microprocessor are for monitoring being left unlocked or unlatched of door.In sum, the utility model circuit design reasonable simplicity, production cost is low and be easy to a large amount of production, meets the demand of client greatly.
Accompanying drawing explanation
Fig. 1 is the utility model central processing unit integrated circuit diagram.
Fig. 2 is the utility model radio communication integrated circuit diagram.
Fig. 3 is the utility model power switch integrated circuit figure.
Fig. 4 is the driving circuit figure of the utility model direct current generator.
Fig. 5 is the utility model internal storage integrated circuit diagram.
Fig. 6 is that the utility model AD samples and filtering and amplifying circuit figure.
Fig. 7 is the utility model buzzer drive circuit figure.
Fig. 8 is the utility model LED drive circuit figure.
Fig. 9 is the utility model 3.3V power circuit figure.
Figure 10 is the utility model four-wire system download program and emulation interface integrated circuit diagram.
Embodiment
A kind of radio frequency card door lock control circuit, include 3.3V power circuit, central processing unit integrated circuit, driving circuit, the internal storage integrated circuit of the radio communication integrated circuit be connected with central processing unit integrated circuit, power switch integrated circuit, direct current generator, AD samples and filtering and amplifying circuit, buzzer drive circuit, LED drive circuit and four-wire system download program and emulation interface integrated circuit;
See Fig. 9,3.3V power circuit is 3.3V with 7533 voltage stabilizing chips 6 negative photovoltaic conversion, stable voltage source is provided to system, it includes 3.3V voltage stabilizing chip and electric capacity C3, the pin 1 of 3.3V voltage stabilizing chip connects earth terminal and has one end of electrode capacitance C3, the pin 2 of 3.3V voltage stabilizing chip connects VCC-6, and the pin 3 of 3.3V voltage stabilizing chip connects power access end VCC33 and has a grade other end of electric capacity C3;
See Fig. 1, central processing unit integrated circuit includes microprocessor, the pin 1 of microprocessor connects earth terminal by resistance R17, the pin 2 of microprocessor connects one end of VCC33 and electric capacity C5 respectively, the other end of electric capacity C5 and pin 43 parallel connection access earth terminal, the pin 5 of microprocessor and pin 6 are connected respectively to the two ends of crystal oscillator Y1, and pin 7 one end of microprocessor is connected to VCC33 by resistance R16, and the other end connects earth terminal by electric capacity C6;
See Fig. 2, radio communication integrated circuit includes radio frequency chip, the pin 2 of radio frequency chip is by electric capacity C7 ground connection, pin 7 and the pin 9 of radio frequency chip access earth terminal respectively, the pin 8 directly ground connection of radio frequency chip, the pin 11 of radio frequency chip and pin 12 respectively respectively by after electric capacity C8 and C9 with pin 10 earth, one end of the pin 13 of radio frequency chip and one end parallel connection access electric capacity C10 of diode D1, the other end ground connection of electric capacity C10, resistance R18 is parallel on electric capacity C10, the pin 19 of radio frequency chip and pin 20 are connected respectively to the two ends of crystal oscillator Y2, and the pin 19 of radio frequency chip is connected with one end of electric capacity C11, the pin 20 of radio frequency chip is connected with one end of electric capacity C12, the other end of electric capacity C11 and the other end earth of electric capacity C12, the pin 4 of radio frequency chip, pin 5, pin 6, pin 38 respectively with the pin 15 of microprocessor, pin 16, pin 11, the connection of pin 17 correspondence realizes SPI communication and connects, the pin 1 of radio frequency chip, pin 3 and pin 39 are all connected with the pin 25 of microprocessor,
See Fig. 3, power switch integrated circuit includes interface chip J1, the pin 1 of interface chip J1 connects output terminal VCC6 respectively, by electric capacity C1 ground connection, pin 2 and the pin 6 of interface chip J1 access earth terminal respectively, the pin 3 of four in parallel resistance combination P1 wherein one end connecting interface chip respectively of three resistance, pin 4 and pin 5, one end of four resistance combination P1 wherein other end contact resistance combination P2 of three resistance, the other end of P2 connects VCC33, one end of electric capacity C2, be connected with motor Wiring port LOCK POWER1 after pin 7 parallel connection of interface chip J1, the other end of electric capacity C2, be connected with motor Wiring port LOCK POWER2 after pin 8 parallel connection of interface chip J1,
See Fig. 4, the base stage of the NPN triode T2 Y1 of the driving circuit of direct current generator is connected to the pin 8 of microprocessor by resistance R6, the emitter access earth terminal of triode T2 Y1, one end of the collector contact resistance R7 of triode T2 Y1, the emitter of PNP triode T5 Y2 connects one end of VCC6 and resistance R8, the base stage other end that access R8 in parallel with the other end of resistance R7 of PNP triode T5 Y2, one end of resistance R14 is connected with the collector of PNP triode T5 Y2 respectively with one end of resistance R9, the other end of resistance R14 is connected to earth terminal by resistance R15, the pin 19 of microprocessor is linked between resistance R14 and R15, the other end of resistance R9 and the emitter of PNP triode T6 Y2, the emitter of PNP triode T7 Y2 connects respectively, one end of the base stage contact resistance R10 of PNP triode T6 Y2, one end of the collector contact resistance R11 of PNP triode T6 Y2, the other end of the base stage contact resistance R11 of PNP triode T7 Y2, the other end of the collector contact resistance R10 of PNP triode T7 Y2 and the collector of NPN triode T4 Y1, the base stage of NPN triode T4 Y1 connects the pin 9 of microprocessor by resistance R13, the emitter of NPN triode T4 Y1 connects earth terminal, the collector of NPN triode T3 Y1 is connected to the collector of PNP triode T6 Y2, the base stage of NPN triode T3 Y1 connects the pin 10 of microprocessor by resistance R12, the emitter of NPN triode T3 Y1 connects earth terminal, the collector of NPN triode T3 Y1, the collector of PNP triode T6 Y2 and the base stage of PNP triode T7 Y2 are all connected with motor Wiring port LOCK POWER1, the collector of PNP triode T7 Y2, the collector of NPN triode T4 Y1 and the other end of resistance R10 all with motor Wiring port LOCK POWER2,
See Fig. 5, internal storage integrated circuit comprises storer, the pin 1 of storer, pin 2, pin 3 and pin 4 parallel connection access earth terminal, the pin 5 of storer connects the pin 12 of microprocessor and one end of resistance R2, the pin 6 of storer connects the pin 13 of microprocessor and one end of resistance R1, the pin 7 of storer connects earth terminal, and the pin 8 of storer connects the pin 14 of microprocessor, the other end of resistance R1 and the other end of resistance R2; AT24C02 chip selected by storer, be the Data Transport Protocol of I2C bus, when power down, information can be preserved, when work, the working time of microprocessor software timer record microprocessor, every a second, the time is stored in memory simultaneously, and record the information of swiping the card, conveniently consult historical information;
See Fig. 6, the base stage of the NPN triode Y1 T8 of AD sampling and filtering and amplifying circuit is connected to the pin 44RF TXD interface of radio frequency chip by resistance R5, the emitter of NPN triode Y1 T8 connects one end and the earth terminal of electric capacity C14 respectively, the collector of NPN triode Y1 T8 is connected to the source electrode of power transistor FDV301, the gate pole of power transistor FDV301 is connected with the pin 43RF CLK interface of radio frequency chip, power transistor FDV301 drain electrode be connected with one end of inductance L 1, resistance R22 is connected in parallel on NPN triode Y1 T8, the other end of inductance L 1 connects VCC33 and respectively by electric capacity C13 ground connection, one end of electric capacity L12 connects electric capacity C15, the other end of electric capacity L12 connects the positive pole of diode IN4148, one end of resistance R19 and antenna ANTA, the other end ground connection of resistance R19, the negative pole of diode IN4148 connects one end of electric capacity C17 and one end of resistance R20 respectively, the other end ground connection of electric capacity C17, one end and electric capacity C16 one end of resistance R21 are connected in parallel earth terminal, the other end of resistance R20, the other end of resistance R21 and the other end of electric capacity C16 are connected to the pin 20 KARD DETECT interface of microprocessor.
See Fig. 7, buzzer drive circuit includes hummer and resistance R3, NPN triode T1 Y1, the BEEP end of described hummer connects VCC33, the BELL end of hummer connects the collector of NPN triode T1 Y1, the emitter of NPN triode T1 Y1 connects earth terminal, and the base stage of NPN triode T1 Y1 is connected to the pin 23 of microprocessor by resistance R3.
See Fig. 8, LED drive circuit includes the LED and resistance R4 that are connected in series, and the outer end of resistance R4 is connected with the pin 21 of microprocessor, and the outer end of LED is connected with the pin 2221 of microprocessor;
See Figure 10, four-wire system download program and emulation interface integrated circuit include interface chip J4, and the pin 1 of interface chip J4 connects the pin 1 of microprocessor, and the pin 2 of interface chip J4 connects VCC33, the pin 3 of interface chip J4 connects the pin 7 of microprocessor, pin 4 ground connection of interface chip J4; Four-wire system download program and emulation interface integrated circuit are compared with traditional JATG14 interface, and microprocessor port takies few, has saved the limited resources of microprocessor
Workflow of the present utility model:
After energising microprocessor reset, whole system is in stable duty.Initialization micro processor leg and built-in system, make microprocessor work under low-power consumption mode, and the power consumption control port pin 25 of microprocessor is initialized as high level simultaneously, under making radio frequency chip also be in low-power consumption mode, and system power dissipation when reducing static.
After microprocessor is electrified, when high level being detected, hummer under the driving of triode ring once, simultaneously LED glimmers.Namely when microprocessor detects radio-frequency card, BELL is that height allocates, triode T1 Y1 conducting, and drive hummer to ring a sound, LEDPOWER1 and LEDPOWER2 is respectively high level and low level output, carrys out driving LED luminescence once.Then microprocessor is by SPI communication, open the radio-frequency enabled of video chip thm3060, in port RF_CLK, now create the waveform of 13.56MHZ, by the voltage of power transistor EDV301 and the 3.3V from system, power amplification is carried out to this waveform, again by the high-pass filtering circuit of C15 and R19 composition, allow the waveform lower than 13.56MHZ frequency filter out, only allow the waveform of 13.56MHZ pass through.The waveform of this this frequency is loaded into above antenna ANTA, just an oval magnetic field (relevant with the profile of antenna) is formed to outside, when have radio frequency card near time, the magnetic field conversion in environment now detected, then at two Port detectings of antenna to voltage drop,, now the pin 20 P2.4 port of microprocessor is by AD sample circuit, records the AD value in current environment.After completing once sampling, close thm3060 radio-frequency enabled.Under timer effect, certain interval of time, then repeat function above.AD sampled value under the present circumstances and initialized AD value compare, in time being greater than certain threshold values, trigger AD Sampling interrupt, then sampling and the cryptographic check of radio frequency card is carried out, after being verified, P2.1 and P2.2 of the DC motor Driver port of microprocessor produces a high level and a low level, then is controlled the current switching of direct current generator by control P2.0 port, then controls the rotating forward of direct current generator.After electric machine rotation to certain position, trigger limit switch, low level detected at the port P1.5 of microprocessor, motor stalling after waiting for a period of time, motor reversal gets back to original position, and port P1.5 gets back to high level state, and following hummer and LED rerun once.Port P1.6 and P1.7 is for monitoring being left unlocked or unlatched of door.
In the process that program is run, when opening microprocessor, software timer in system is started working, and in the time after initialization, now time value is recorded so that one way per second is cumulative, by SCL(clock line) and SDA(data line) and microprocessor carry out communication, and with frequency once per second, this time to be stored in storer AT24C02.
Claims (5)
1. a radio frequency card door lock control circuit, it is characterized in that: include central processing unit integrated circuit, the driving circuit of the radio communication integrated circuit be connected with central processing unit integrated circuit, power switch integrated circuit, direct current generator, internal storage integrated circuit, AD sample and filtering and amplifying circuit;
Described central processing unit integrated circuit includes microprocessor, the pin 1 of microprocessor connects earth terminal by resistance R17, the pin 2 of microprocessor connects one end of VCC33 and electric capacity C5 respectively, the other end of electric capacity C5 and pin 43 parallel connection access earth terminal, the pin 5 of microprocessor and pin 6 are connected respectively to the two ends of crystal oscillator Y1, pin 7 one end of microprocessor is connected to VCC33 by resistance R16, and the other end connects earth terminal by electric capacity C6;
Described radio communication integrated circuit includes radio frequency chip, the pin 2 of radio frequency chip is by electric capacity C7 ground connection, pin 7 and the pin 9 of radio frequency chip access earth terminal respectively, the pin 8 directly ground connection of radio frequency chip, the pin 11 of radio frequency chip and pin 12 respectively respectively by after electric capacity C8 and C9 with pin 10 earth, one end of the pin 13 of radio frequency chip and one end parallel connection access electric capacity C10 of diode D1, the other end ground connection of electric capacity C10, resistance R18 is parallel on electric capacity C10, the pin 19 of radio frequency chip and pin 20 are connected respectively to the two ends of crystal oscillator Y2, and the pin 19 of radio frequency chip is connected with one end of electric capacity C11, the pin 20 of radio frequency chip is connected with one end of electric capacity C12, the other end of electric capacity C11 and the other end earth of electric capacity C12, the pin 4 of radio frequency chip, pin 5, pin 6, pin 38 respectively with the pin 15 of microprocessor, pin 16, pin 11, pin 17 correspondence connects, the pin 1 of radio frequency chip, pin 3 and pin 39 are all connected with the pin 25 of microprocessor,
Described power switch integrated circuit includes interface chip J1, the pin 1 of interface chip J1 connects output terminal VCC6 respectively, by electric capacity C1 ground connection, pin 2 and the pin 6 of interface chip J1 access earth terminal respectively, the pin 3 of four in parallel resistance combination P1 wherein one end connecting interface chip respectively of three resistance, pin 4 and pin 5, one end of four resistance combination P1 wherein other end contact resistance combination P2 of three resistance, the other end of P2 connects VCC33, one end of electric capacity C2, be connected with motor Wiring port LOCK POWER1 after pin 7 parallel connection of interface chip J1, the other end of electric capacity C2, be connected with motor Wiring port LOCK POWER2 after pin 8 parallel connection of interface chip J1,
The base stage of the NPN triode T2 Y1 of the driving circuit of described direct current generator is connected to the pin 8 of microprocessor by resistance R6, the emitter access earth terminal of triode T2 Y1, one end of the collector contact resistance R7 of triode T2 Y1, the emitter of PNP triode T5 Y2 connects one end of VCC6 and resistance R8, the base stage other end that access R8 in parallel with the other end of resistance R7 of PNP triode T5 Y2, one end of resistance R14 is connected with the collector of PNP triode T5 Y2 respectively with one end of resistance R9, the other end of resistance R14 is connected to earth terminal by resistance R15, the pin 19 of microprocessor is linked between resistance R14 and R15, the other end of resistance R9 and the emitter of PNP triode T6 Y2, the emitter of PNP triode T7 Y2 connects respectively, one end of the base stage contact resistance R10 of PNP triode T6 Y2, one end of the collector contact resistance R11 of PNP triode T6 Y2, the other end of the base stage contact resistance R11 of PNP triode T7 Y2, the other end of the collector contact resistance R10 of PNP triode T7 Y2 and the collector of NPN triode T4 Y1, the base stage of NPN triode T4 Y1 connects the pin 9 of microprocessor by resistance R13, the emitter of NPN triode T4 Y1 connects earth terminal, the collector of NPN triode T3 Y1 is connected to the collector of PNP triode T6 Y2, the base stage of NPN triode T3 Y1 connects the pin 10 of microprocessor by resistance R12, the emitter of NPN triode T3 Y1 connects earth terminal, the collector of NPN triode T3 Y1, the collector of PNP triode T6 Y2 and the base stage of PNP triode T7 Y2 are all connected with motor Wiring port LOCK POWER1, the collector of PNP triode T7 Y2, the collector of NPN triode T4 Y1 and the other end of resistance R10 all with motor Wiring port LOCK POWER2,
Described internal storage integrated circuit comprises storer, the pin 1 of storer, pin 2, pin 3 and pin 4 parallel connection access earth terminal, the pin 5 of storer connects the pin 12 of microprocessor and one end of resistance R2, the pin 6 of storer connects the pin 13 of microprocessor and one end of resistance R1, the pin 7 of storer connects earth terminal, and the pin 8 of storer connects the pin 14 of microprocessor, the other end of resistance R1 and the other end of resistance R2;
The base stage of described AD sampling and the NPN triode Y1 T8 of filtering and amplifying circuit is connected to the pin 44RF TXD interface of radio frequency chip by resistance R5, the emitter of NPN triode Y1 T8 connects one end and the earth terminal of electric capacity C14 respectively, the collector of NPN triode Y1 T8 is connected to the source electrode of power transistor FDV301, the gate pole of power transistor FDV301 is connected with the pin 43RF CLK interface of radio frequency chip, power transistor FDV301 drain electrode be connected with one end of inductance L 1, resistance R22 is connected in parallel on NPN triode Y1 T8, the other end of inductance L 1 connects VCC33 and respectively by electric capacity C13 ground connection, one end of electric capacity L12 connects electric capacity C15, the other end of electric capacity L12 connects the positive pole of diode IN4148, one end of resistance R19 and antenna ANTA, the other end ground connection of resistance R19, the negative pole of diode IN4148 connects one end of electric capacity C17 and one end of resistance R20 respectively, the other end ground connection of electric capacity C17, one end and electric capacity C16 one end of resistance R21 are connected in parallel earth terminal, the other end of resistance R20, the other end of resistance R21 and the other end of electric capacity C16 are connected to the pin 20 KARD DETECT interface of microprocessor.
2. a kind of radio frequency card door lock control circuit according to claim 1, it is characterized in that: described a kind of radio frequency card door lock control circuit also comprises the buzzer drive circuit be connected with central processing unit integrated circuit, it includes hummer and resistance R3, NPN triode T1 Y1, the BEEP end of described hummer connects VCC33, the BELL end of hummer connects the collector of NPN triode T1 Y1, the emitter of NPN triode T1 Y1 connects earth terminal, and the base stage of NPN triode T1 Y1 is connected to the pin 23 of microprocessor by resistance R3.
3. a kind of radio frequency card door lock control circuit according to claim 1, it is characterized in that: described a kind of radio frequency card door lock control circuit also comprises the LED drive circuit be connected with central processing unit integrated circuit, it includes the LED and resistance R4 that are connected in series, the outer end of resistance R4 is connected with the pin 21 of microprocessor, and the outer end of LED is connected with the pin 2221 of microprocessor.
4. a kind of radio frequency card door lock control circuit according to claim 1, it is characterized in that: described a kind of radio frequency card door lock control circuit also comprises 3.3V power circuit, it includes 3.3V voltage stabilizing chip and electric capacity C3, the pin 1 of 3.3V voltage stabilizing chip connects earth terminal and has one end of electrode capacitance C3, the pin 2 of 3.3V voltage stabilizing chip connects VCC-6, and the pin 3 of 3.3V voltage stabilizing chip connects power access end VCC33 and has a grade other end of electric capacity C3.
5. a kind of radio frequency card door lock control circuit according to claim 1, it is characterized in that: described a kind of radio frequency card door lock control circuit also comprises the four-wire system download program and emulation interface integrated circuit that are connected with central processing unit integrated circuit, it includes interface chip J4, the pin 1 of interface chip J4 connects the pin 1 of microprocessor, the pin 2 of interface chip J4 connects VCC33, the pin 3 of interface chip J4 connects the pin 7 of microprocessor, pin 4 ground connection of interface chip J4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420654691.2U CN204204009U (en) | 2014-11-05 | 2014-11-05 | A kind of radio frequency card door lock control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420654691.2U CN204204009U (en) | 2014-11-05 | 2014-11-05 | A kind of radio frequency card door lock control circuit |
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| Publication Number | Publication Date |
|---|---|
| CN204204009U true CN204204009U (en) | 2015-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420654691.2U Withdrawn - After Issue CN204204009U (en) | 2014-11-05 | 2014-11-05 | A kind of radio frequency card door lock control circuit |
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| CN (1) | CN204204009U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104361384A (en) * | 2014-11-05 | 2015-02-18 | 安徽天智信息科技集团股份有限公司 | Control circuit of radio frequency card based door lock |
| CN105334783A (en) * | 2015-09-17 | 2016-02-17 | 安徽天智信息科技集团股份有限公司 | Control circuit based on Zigbee wireless intelligent door lock |
-
2014
- 2014-11-05 CN CN201420654691.2U patent/CN204204009U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104361384A (en) * | 2014-11-05 | 2015-02-18 | 安徽天智信息科技集团股份有限公司 | Control circuit of radio frequency card based door lock |
| CN104361384B (en) * | 2014-11-05 | 2017-06-13 | 安徽天智信息科技集团股份有限公司 | A kind of radio frequency card door lock controls circuit |
| CN105334783A (en) * | 2015-09-17 | 2016-02-17 | 安徽天智信息科技集团股份有限公司 | Control circuit based on Zigbee wireless intelligent door lock |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150311 Effective date of abandoning: 20170613 |
|
| AV01 | Patent right actively abandoned |