CN107657694A - The fingerprint recognition circuit of remote anti-theft door - Google Patents
The fingerprint recognition circuit of remote anti-theft door Download PDFInfo
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- CN107657694A CN107657694A CN201710824432.8A CN201710824432A CN107657694A CN 107657694 A CN107657694 A CN 107657694A CN 201710824432 A CN201710824432 A CN 201710824432A CN 107657694 A CN107657694 A CN 107657694A
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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
- G07C9/00563—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys using personal physical data of the operator, e.g. finger prints, retinal images, voicepatterns
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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
- G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
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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
- G07C9/00571—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by interacting with a central unit
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Theoretical Computer Science (AREA)
- Image Input (AREA)
Abstract
The present invention proposes a kind of fingerprint recognition circuit of remote anti-theft door, including：Remote control center, station acquisition transmission circuit, intelligent terminal, fingerprint recognition circuit, controller, position sensor, collision block and electric pushrod；Intelligent terminal signal interaction end connects controller signals interaction end, controller fingerprint recognition signal end connects fingerprint recognition circuit signal output part, location of controls signal receiving end link position sensor signal transmitting terminal, position sensor signal receives contact portion collision block, controller working signal end connection electric pushrod signal receiving end；User identity is authenticated by fingerprint recognition circuit, by the positional information of controller receiving position sensor collision block, electric pushrod stretching motion is controlled by controller；In order that gate inhibition is more safe and reliable, user fingerprints are identified using three fingerprint recognition circuits.
Description
Technical field
The present invention relates to electronic circuit control field, more particularly to a kind of fingerprint recognition circuit of remote anti-theft door.
Background technology
With science and technology continuous progress, applied by biological identification technology it is more and more common in community security system, wherein
Identification is carried out to gate inhibition or family's household-entry system especially by fingerprint identification technology, effect is improved so as to save the time
Rate, but technical problem present in prior art includes：
1st, can not be accurate because the identification of prior art Fingerprint Lock sets fingerprint recognition sensing chip using matrix shape
Collection fingerprint；
2nd, it is slow to finger print data conversion speed, it is necessary to repeatedly in the data after the completion of collection carry out analog-digital conversion process
Fingerprint is verified, causes efficiency low；
3rd, the dead bolt control for intelligent door lock is insensitive；
4th, remote real-time monitoring and management can not be realized.
The content of the invention
It is contemplated that at least solving technical problem present in prior art, especially innovatively propose a kind of long-range anti-
Steal the fingerprint recognition circuit of door.
In order to realize the above-mentioned purpose of the present invention, the invention provides a kind of fingerprint recognition circuit of remote anti-theft door, bag
Include：Remote control center, station acquisition transmission circuit, intelligent terminal, fingerprint recognition circuit, controller, position sensor, collision block
And electric pushrod；
Intelligent terminal signal interaction end connects controller signals interaction end, and controller fingerprint recognition signal end connection fingerprint is known
Other circuit signal output end, location of controls signal receiving end link position sensor signal transmitting terminal, position sensor signal
Receive contact portion collision block, controller working signal end connection electric pushrod signal receiving end；
The fingerprint recognition circuit includes：Touch-screen is arranged on the upper end of sensor collection array, a/d converter signal hair
Sending end connection sensor collection array signal receiving terminal, sensor collection array signal output end connection DSP Processor signal connect
Receiving end, backlight assembly working signal end connection DSP Processor backlight signal end, sensor collection array pass through logical output circuit
Collection information is stored in fingerprint image buffer, piezoelectric film sensor signal output part connection DSP Processor piezoelectric signal
Receiving terminal；Sensor is gathered array and arranged using concentric circles；
The a/d converter includes：Voltage input end connects the 9th resistance one end, and the 9th resistance other end connects the 10th respectively
Resistance one end and the 2nd operational amplifier negative input, the 10th resistance one end are also connected with the 6th electric capacity one end, the 6th electric capacity other end
Connect the 10th resistance other end and the 2nd operational amplifier output terminal respectively, the 2nd operational amplifier electrode input end connects the respectively
5 electric capacity one end and the 3rd resistance one end, the 5th electric capacity other end connect the 1st electric capacity one end and the 3rd resistance other end, the 3rd electricity respectively
The resistance other end is also connected with the 1st resistance one end, and the 1st resistance other end connects the 1st electric capacity other end and the 2nd resistance one end respectively, and the 1st
The electric capacity other end is also connected with the 1st operational amplifier electrode input end, and the 2nd resistance other end connects the 4th resistance one end and the 2nd respectively
Electric capacity one end, the 2nd electric capacity other end ground connection, the 4th resistance other end connect the 1st operational amplifier electrode input end, and the 1st computing is put
Big device output end connects the 5th resistance one end and the 7th resistance one end respectively, the 5th resistance other end connect respectively the 3rd electric capacity one end and
Second AD conversion chip cathode power supply input, the 7th resistance other end connect the 1st operational amplifier negative input and respectively
8 resistance one end, the 8th resistance other end connect the 2nd operational amplifier output terminal and the 6th resistance one end, the 6th resistance other end respectively
The second AD conversion chip negative power supply input and the 4th electric capacity one end are connected respectively, and the 4th electric capacity other end connects the 3rd electricity respectively
Hold the other end and ground connection, the first AD conversion chip output end connects the second AD conversion chip reference signal end, the second AD conversion core
Piece voltage output end connects the 13rd resistance one end, the 13rd resistance other end connection dc-dc loop input, and the 2nd AD turns
Change the output end of chip first connect the 12nd resistance one end, the 12nd resistance other end connection dc-dc bus input end, second
The output end of AD conversion chip second connects the 11st resistance one end, and the 11st resistance other end connection dc-dc reference signal is defeated
Enter end, converter power supply input connects the 7th electric capacity one end and the 14th resistance one end respectively, the 7th electric capacity other end and the
The 14 resistance other ends connect dc-dc power end, and 12V power inputs connect the 15th resistance one end and the 18th resistance respectively
One end, the 18th resistance one end are also connected with the 16th resistance one end, the 16th resistance other end connection dc-dc first switch signal
End, the 15th resistance other end connection dc-dc set end, the 18th resistance other end connect respectively the 1st transistor source and
17th resistance one end, the 17th resistance other end connection dc-dc second switch signal end, the 1st transistor drain connect respectively
Dc-dc frequency input and the 19th resistance one end are connect, the 19th resistance other end connects the 8th electric capacity one end, and the 8th electric capacity is another
One end is grounded, and 12V power inputs are also connected with the 2nd inductance one end, and the 2nd inductance other end connects dc-dc frequency respectively
Output end and the 20th resistance one end, the 20th resistance other end connect the 21st resistance one end, and the 21st resistance other end connection DC-DC turns
Parallel operation frequency working end.1st transistor gate connects the 1st inductance one end, and the connection of the 1st inductance other end connects the 9th electric capacity respectively
One end and the 2nd transistor gate, the 9th electric capacity other end connection MCU voltage ends, the 2nd transistor drain connection MCU high level signals
End, the 2nd transistor source connect the 22nd resistance one end and the 3rd transistor gate, the low electricity of the 3rd transistor drain connection MCU respectively
Flat signal end, the 3rd transistor source connect the 23rd resistance one end and ground connection respectively, and the 22nd resistance other end connects the 23rd electricity respectively
The other end and the 10th electric capacity one end are hindered, the 23rd resistance one end connects the 10th electric capacity other end, and the 2nd transistor source is also connected with the 1st
Diode cathode, the 1st diode cathode connect the 10th electric capacity one end, and the 1st diode cathode is also connected with the 3rd inductance one end, the 3rd electricity
The sense other end connects the 4th transistor source and the 25th resistance one end respectively, and the 4th transistor drain connects the 24th resistance one end respectively
With dc-dc power end, the 24th resistance other end connection 5V power ends, the 4th transistor gate connects the 26th resistance respectively
One end and the 28th resistance one end, the 25th resistance other end connection dc-dc working signal positive terminal, the 26th resistance other end
Dc-dc working signal negative pole end is connected, the 28th resistance connects dc-dc loading signal end and the 27th resistance respectively
One end, the 27th resistance other end ground connection；
The controller controls electric pushrod step motion by push rod drive circuit, and the push rod drive circuit includes：
MCU signals control terminal connects the 30th resistance one end and the 31st resistance one end respectively, and MCU power ends connect the 29th resistance one end, the
The 29 resistance other ends connect the 30th resistance other end and the 2nd light emitting diode negative pole respectively, the 2nd light emitting diode positive pole connection the
3 light emitting diode negative poles, the 3rd light emitting diode positive pole connect the 32nd resistance one end and the 4th diode cathode, the 31st resistance respectively
The other end connects the 3rd operational amplifier electrode input end, and the 4th diode cathode connects the 3rd operational amplifier negative input, the
3 operational amplifier output terminals connect the 35th resistance one end and the 34th resistance one end respectively, and the 32nd resistance other end connects respectively
36 resistance one end and the 6th transistor collector, the 36th resistance other end connects the 6th transistor base respectively and the 35th resistance is another
End, the 6th transistor emitter connect the 6th diode cathode and the 37th resistance one end respectively, and the 6th diode cathode connects the respectively
6 transistor collectors and the 8th transistor gate, the 8th transistor drain connect the 6th diode cathode, the 37th resistance other end point
Not Lian Jie the 5th transistor collector and the 5th diode cathode, the 5th transistor emitter connects the 5th diode cathode and respectively
33 resistance one end, the 33rd resistance other end connect the 34th resistance other end and the 5th transistor base, the 5th diode cathode respectively
The 7th transistor drain is also connected with, the 7th transistor source connects the 5th diode cathode and ground connection respectively, and the 7th transistor gate connects
The 8th transistor source is connect, the 8th transistor source is also connected with step actuator signal input part, step actuator signal output part
Connect stepper motor, stepper motor driving electric push rod；
Position sensor collection collision block position, single-chip microcomputer, single-chip microcomputer are will send information to by station acquisition transmission circuit
Network port circuit is transferred data to, intelligent terminal is transferred to by network port circuit, is transferred to remotely by interchanger and router
Administrative center；
63rd resistance one end connects the 5th operational amplifier negative input and the 15th light emitting diode positive pole respectively, and the 63rd
The resistance other end is grounded, and the 15th light emitting diode negative pole connects the 5th operational amplifier output terminal and the 18th electric capacity one end respectively, the
5 operational amplifier electrode input ends connect the 61st resistance one end and the 64th resistance one end respectively, and the 61st resistance other end connects respectively
The 62nd resistance one end and the 17th electric capacity one end, the 17th electric capacity other end ground connection are connect, the 62nd resistance other end connects the 65th electricity respectively
One end and the 6th operational amplifier electrode input end are hindered, the 65th resistance other end connects the 64th resistance other end, and the 18th electric capacity is another
The 7th operational amplifier electrode input end of end connection, the 7th operational amplifier negative input connect the 66th resistance one end and the respectively
67 resistance one end, the 66th resistance other end connect the 6th operational amplifier output terminal, the 7th operational amplifier output terminal difference respectively
The 67th resistance other end and the 16th diode cathode are connected, the 16th diode connects the 71st resistance one end and the 19th transistor respectively
Base stage, the 19th transistor collector ground connection, the 19th emitter connect the 1st optocoupler electrode input end, and the 1st optocoupler negative pole is defeated
Enter end the 73rd resistance one end of connection, the 73rd resistance other end connects the 71st resistance other end and position detection power input respectively
End, the 71st resistance other end are also respectively connected with the 74th resistance one end and the 72nd resistance one end, and the 74th resistance other end connects the 2nd light
Coupling electrode input end, the 72nd resistance other end connect the 17th diode cathode and the 20th transistor base, the 20th transistor respectively
Colelctor electrode connects the 2nd optocoupler negative input, the 20th emitter ground connection, and the 17th diode cathode connects the 8th fortune respectively
Calculate amplifier out and the 70th resistance one end, the 70th resistance other end connect the 69th resistance one end and the 8th operation amplifier respectively
Device negative input, the 69th resistance other end ground connection, the 68th resistance one end of the 8th operational amplifier electrode input end connection, the 68th
The resistance other end connects the 67th resistance other end, and the 1st optocoupler output connects the signal receiving end of single-chip microcomputer first, and the 2nd optocoupler is defeated
Go out end connection single-chip microcomputer secondary signal receiving terminal, single-chip microcomputer high level cathode output end connects the 75th resistance one end, the 75th resistance
The other end connects the 21st electric capacity one end and the 76th resistance one end respectively, and the 76th resistance other end connection single-chip microcomputer high level negative pole is defeated
Go out end, the 21st electric capacity other end ground connection, single-chip microcomputer low level cathode output end connects the 77th resistance one end, the 77th resistance other end
The 22nd electric capacity one end and the 78th resistance one end are connected respectively, the 78th resistance other end connects single-chip microcomputer low level cathode output end,
The 22nd electric capacity other end is grounded, and the 75th resistance one end and the 76th resistance other end are also connected with the 1st transformer inputs, the 1st transformation
Device output end connects anti-static circuit first input end, and the 77th resistance one end and the 78th resistance other end are also connected with the 2nd transformer
Input, the 1st transformer output end connection input of anti-static circuit second, anti-static circuit output end connection RJ45 network interfaces are defeated
Enter end.
The fingerprint recognition circuit of described remote anti-theft door, it is preferred that first AD conversion chip is ADR439.
The fingerprint recognition circuit of described remote anti-theft door, it is preferred that the step actuator is ULN2003.
In summary, by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
The circuit design is authenticated by fingerprint recognition circuit to user identity, is touched by controller receiving position sensor
The positional information of block, electric pushrod stretching motion is controlled by controller, foregoing circuit belongs to an organic whole, cooperates
Identity identifying and authenticating is completed, and controls internal mechanical structure motion, completes the process opened the door, so as to ensure safety of registering one's residence, together
When data are passed through by network cable transmission to remote control center or remote intelligent terminal, Yong Huneng by station acquisition transmission circuit
Enough remote real-time monitoring gate inhibitions, convenience and high-efficiency.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment
Substantially and it is readily appreciated that, wherein：
Fig. 1 is the schematic diagram of the present invention.
Fig. 2 is Fig. 1 A-A to sectional view.
Fig. 3 is Fig. 1 B-B direction sectional view.
Fig. 4 is the schematic diagram of foam block in the present invention.
Fig. 5 is the schematic diagram of locking shaft in Fig. 2.
Fig. 6 is circuit diagram of the present invention；
Fig. 7 is fingerprint recognition circuit schematic diagram of the present invention；
Fig. 8 is AD conversion piezoelectric film sensor circuit diagram of the present invention；
Fig. 9 is sensing chip schematic layout pattern of the present invention；
Figure 10 is push rod drive circuit schematic diagram of the present invention；
Figure 11 is another circuit diagram of the present invention；
Figure 12 is speaker circuit schematic diagram of the present invention；
Figure 13 is station acquisition transmission circuit schematic diagram of the present invention；
Figure 14 is remote control center circuit diagram of the present invention.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " longitudinal direction ", " transverse direction ", " on ", " under ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " is based on accompanying drawing institutes
The orientation or position relationship shown, it is for only for ease of the description present invention and simplifies description, rather than instruction or the dress for implying meaning
Put or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the invention
System.
In the description of the invention, unless otherwise prescribed with limit, it is necessary to explanation, term " installation ", " connected ",
" connection " should be interpreted broadly, for example, it may be mechanical connection or electrical connection or the connection of two element internals, can
To be to be joined directly together, can also be indirectly connected by intermediary, for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term.
As Figure 1-5, a kind of fingerprint recognition circuit of antitheft door, including Fingerprint Identification Unit 1, the and of fingerprint recognition circuit 2
Sheet glass 3 is identified, wherein identification sheet glass 3 contacts for finger, identification sheet glass 3 is engaged with Fingerprint Identification Unit 1, and by fingerprint
The parsing identification fingerprint of identification circuit 2.In the present case, how mutual Fingerprint Identification Unit 1, fingerprint recognition circuit 2 and identification sheet glass 3 be
Coordinate, so as to how correctly judge, identify that the technology of fingerprint as existing conventional techniques, is well known to those skilled in the art,
It is not the inventive point of this case, will not be described here.Preferably, identification sheet glass 3 is adjusted to the side that length and width is 2mm
Shape block, its thickness are 1-2mm, can so prevent that identify sheet glass 3 is damaged because of long-term rotate.
This case also includes outer handle hand 4 and fixed handle 5, and outer handle hand 4 and fixed handle 5 are all steel-casting, thus
Artificial destruction can be prevented.Wherein, outer handle hand 4 is hollow structure, and is directly connected to form by connecting portion 4a and handle portion 4b.
Connecting portion 4a thickness is less than handle portion 4b thickness, a cascaded surface is thus formed, so as to play the external return mistake of handle hand 4
Spacing effect in journey.Fixed handle 5 is hollow structure, is welded when the medial surface of the fixation handle 5 is installed with antitheft door M lateral surfaces
Connect fixation.The opening of the fixed outer end of handle 5 is sealed by location-plate 6, and the U-shaped that one or so end insertion is provided with location-plate 6 lacks
Mouthful 6a, thus can externally the rotation of handle hand 4 when step down.
In the connecting portion 4a insertion U-shaped breach 6a of outer handle hand 4, the upper and lower table of connecting portion 4a insertion portions left part
Face is provided with a square opening, and square vias is correspondingly provided with the upper and lower sides of U-shaped breach 6a, and locking shaft 7 is square also cross this
Hole and square vias.Locking shaft 7 is two-part multi-diameter shaft, and coaxially connected by the square shaft section 7a on top and the circular shaft section 7b of bottom
Form, the circumference where circular shaft section 7b is square shaft section 7a inscribed circle, and square shaft section 7a size and square opening and square vias
It is adapted.Square shaft section 7a upper ends and the push rod lower end of electric pushrod 8 are coaxially connected, and the electric pushrod 8 is vertically installed at fixed
On the top surface of hand 5, and after the signal cable of the controller 9 of electric pushrod 8 is by the cable-through hole 7a in locking shaft 7, outer pull is stretched into
In handle 4, and it is connected with the signal output part of fingerprint recognition circuit 2.Connecting portion 4a medial surfaces are installed with a collision block 50, and this is touched
Block is engaged with position sensor 51, and the detection signal of position sensor 51 feeds back to controller 9, and is controlled by controller 9
The push rod elongation of electric pushrod 8.After fingerprint recognition circuit 2 correctly identifies fingerprint, identification signal is transferred to controller 9,
So as to control the push rod of electric pushrod 8 to bounce back, circular shaft section 7b is set to coordinate with square opening and square vias, in this state, people
Outer handle hand 4 can outwards be pulled.When collision block 50 contacts with position sensor 51, the detection signal feedback of position sensor 51
To controller 9, the push rod for controlling electric pushrod 8 by controller 9 stretches out so that square shaft section 7a matches somebody with somebody with square opening and square vias
Close, in this state, people can not outwards pull outer handle hand 4.
As Figure 1-4, connecting portion 4a medial surface and drag-line 10a one end of traction cable 10 are fixed, and drag-line 10a's is another
Dead bolt M1 when one end is installed with antitheft door M is fixed, and overcoat 10b one end of traction cable 10 and the inner surface of location-plate 6 are consolidated
Fixed, the overcoat 10b other end and antitheft door M are fixed.Dead bolt M1 is slidably matched with antitheft door M, dead bolt M1 linkage section set
Equipped with a return spring M2, and return spring M2 mounting structure is existing structure.When people outwards pulls outer handle hand 4,
Drag-line 10a is pulled out, so that dead bolt M1 overcomes return spring M2 elastic force to bounce back, makes dead bolt M1 from the lockhole of antitheft door
Exit, realize and unlock.The right of traction cable 10 is provided with an extension spring 11, and one end of the extension spring 11 and connecting portion 4a medial surface are consolidated
Fixed, the other end of extension spring 11 is fixed with the connection side of U-shaped keeper 12.U-shaped keeper 12 connection side installation when with antitheft door M
Lateral surface is fixed, and U-shaped keeper 12, positioned at the outer inner side of handle hand 4, the opening of the U-shaped keeper 12 is outwardly.When people outwards pulls
When moving outer handle hand 4, pull out drag-line 10a so that dead bolt M1 overcomes return spring M2 elastic force to bounce back, make dead bolt M1 from
Exited in the lockhole of antitheft door, realize and unlock.When outer handle hand 4 inwardly resets, drag-line 10a returns are pulled, dead bolt M1 is in bullet
Spring M2 elastic force stretches out.
As Figure 1-4, handle portion 4b medial surfaces connected by the inwardly projecting arcwall face in top with the vertical plane of bottom and
Into, be embedded with the installation hole on vertical plane identification sheet glass 3, the identification sheet glass 3 be in vertical state, and identification glass
The medial surface of piece 3 is concordant with the interior hole for installing hole.Fingerprint Identification Unit 1 and fingerprint recognition circuit 2 are fixedly mounted on handle portion
In 4b cavity, and Fingerprint Identification Unit 1 is located at the outside of identification sheet glass 3, and with identifying the position face of sheet glass 3.It is in addition, antitheft
Door M medial surface is provided with power supply, and the power supply can use civil power or/and storage battery power supply, and power supply is to Fingerprint Identification Unit 1, fingerprint
Identification circuit 2, electric pushrod 8, controller 9 and position sensor 51 are powered, and its power supply mode is existing structure, is not done herein superfluous
State.
One piece of foam block 13 is removably installed, specific mounting means can be in the opening of U-shaped keeper 12
Plug-in type, so facilitate and remove the used foam block 13 of cleaning, and clean foam block 13 is conveniently inserted after cleaning.
The lateral surface of foam block 13 is inclined plane, and the right-hand member of the lateral surface of foam block 13 is close to antitheft door M lateral surfaces, the lateral surface of foam block 13
Left end away from antitheft door M lateral surfaces, and the shape of the lateral surface of foam block 13 is adapted with handle portion 4b medial surface.In this case
In, the lateral surface of foam block 13 in a free state with antitheft door M formed an angle α, the numerical value of the angle α at 15 ° -30 °, and
It can be more preferably 20 °, 25 ° or 28 °.When outer handle hand 4 inwardly rotates under the effect of extension spring 11 to be resetted, handle portion 4b's
Medial surface can oppress the lateral surface of foam block 13；When outer handle hand 4 is turned to fixed handle 5 in vertical state, handle portion
4b medial surface is in close contact with the lateral surface of foam block 13.
The operation principle of this case is as follows：
When antitheft door M is in lockup state, dead bolt M1 is stretched into the lockhole of antitheft door under this state, now outer handle
Hand 4 and fixed handle 5 are vertical, and in square shaft section 7a insertion square openings and square vias, outer handle hand 4 can not be pulled in this case
It is dynamic.When outdoor people need open antitheft door get in when, the finger of people is stretched into handle portion 4b, the finger pulp of finger with
Handle portion 4b arcwall face contact, this design not only conform with ergonomics, and the finger pulp comfort of finger is preferable, and handle
Portion 4b arcwall face can prevent dust or water droplet from remaining from top to bottom on identification sheet glass 3, ensure identification sheet glass 3
Totally；The finger tip of finger contacts with handle portion 4b vertical plane, wherein the finger tip of a finger and identification sheet glass 3, are known
The operation of other fingerprint.If identification signal is transferred to controller 9 by fingerprint recognition success, fingerprint recognition circuit 2, and by controller
The pusher retracted of 9 control electric pushrods 8, so that circular shaft section 7b coordinates with square opening and square vias, it is in this case outer to pull
Handle 4 can be pulled.Now, people, which directs out, pulls outer handle hand 4, and the outer handle hand 4 is turned out around locking shaft 7, outside
Handle hand 4 needs to overcome the pulling force of extension spring 11 during outwards pulling, and pulls out drag-line 10a simultaneously, drag-line 10a bands
Dynamic dead bolt M1 overcomes return spring M2 elastic force to bounce back, and dead bolt M1 is exited from the lockhole of antitheft door, realizes and unlocks, thus
Antitheft door can be opened.
After opening antitheft door, the finger of people is drawn upwardly out, and outer handle hand 4 inwardly rotates under the effect of extension spring 11 to be resetted,
During outer handle hand 4 inwardly rotates reset, handle portion 4b medial surface can oppress the lateral surface of foam block 13；When outer handle hand
4 when being turned to fixed handle 5 in vertical state, and handle portion 4b medial surface and the lateral surface of foam block 13 are in close contact, and outside
During handle hand 4 resets, drag-line 10a is pulled to automatically reset, so that dead bolt M1 is under return spring M2 elastic force effect
Stretch out.When outer handle hand 4 is turned to fixed handle 5 in vertical state, collision block 50 is in contact with position sensor 51, position
The detection signal of sensor 51 feeds back to controller 9, and controls the push rod of electric pushrod 8 to extend by controller 9, so that square shaft
Section 7a coordinates with square opening and square vias, and outer handle hand 4 can not be pulled under this state, in case people without opens next time
Antitheft door.After people is by antitheft door M, antitheft door M, dead bolt M1 can be inwardly pulled to stretch into the lockhole of antitheft door,
So as to close antitheft door M.Antitheft door M medial surface is rotatably assorted and has Internal handle, and a rotate gear is installed with Internal handle,
The rotate gear engages with the rack on dead bolt M1, and its structure is identical with existing structure., can when the people of interior rotates Internal handle
Dead bolt M1 is driven to overcome return spring M2 elastic force to retract by rack-and-pinion, so that from indoor unlatching burglar-proof door M；In people decontrols
After handle, dead bolt M1 stretches out under the effect of return spring M2 elastic force.
Identification sheet glass is set in this case and is adjusted to movable by fixed, and by tilting exposed be adjusted in vertically
Concealed is set, the defects of thus fundamentally avoiding traditional structure from easily depositing dust；Also, the handle portion medial surface of this case
Cooperated with foam block lateral surface, damping, buffering can be effectively realized, prevent from damaging Fingerprint Identification Unit, fingerprint recognition circuit
With identification sheet glass, and can automatically cleaning handle portion medial surface and identification sheet glass, cleaning process manually need not be participated in and interfered,
Omnibearing protection can also be formed to clean handle portion medial surface and identification sheet glass, avoid pollution identification sheet glass, these groups
Close design and organically cooperate the clean of guarantee identification sheet glass, so as to improve the success rate of fingerprint recognition；Meanwhile electronic push away
Bar and locking shaft and the organic cooperation of square opening, square vias, can smooth, easily switching locking and released state, and concealed
Traction cable can prevent bad person from destroying, and can effectively drives dead bolt to return lock, so as to unlatching burglar-proof door；In addition, this case is only
Need finger to catch handle portion just to complete to identify the two operations of fingerprint and unlatching burglar-proof door, accomplish without any letup, simple to operate, side
Just with it is laborsaving, effectively overcome prior art because identification fingerprint and unlatching burglar-proof door need individually operated and cause operation not side
Just the defects of, and this case forms an interaction, contact and indivisible organic whole.
As shown in fig. 6-7, the present invention discloses a kind of fingerprint recognition circuit of remote anti-theft door, including：Remote control center,
Station acquisition transmission circuit, intelligent terminal, fingerprint recognition circuit, controller, position sensor, collision block and electric pushrod；
Intelligent terminal signal interaction end connects controller signals interaction end, and controller fingerprint recognition signal end connection fingerprint is known
Other circuit signal output end, location of controls signal receiving end link position sensor signal transmitting terminal, position sensor signal
Receive contact portion collision block, controller working signal end connection electric pushrod signal receiving end；By fingerprint recognition circuit to
Family identity is authenticated, and by the positional information of controller receiving position sensor collision block, controls electric pushrod to stretch by controller
Contracting motion；
In order that gate inhibition is more safe and reliable, user fingerprints are identified using three fingerprint recognition circuits, first refers to
Line identification circuit signal output part connects controller the first fingerprint recognition signal end, and the second fingerprint recognition circuit signal output part connects
Connect controller the second fingerprint recognition signal end, the 3rd fingerprint recognition circuit signal output part connection controller the 3rd fingerprint recognition letter
Number end,
The fingerprint recognition circuit includes：Touch-screen is arranged on the upper end of sensor collection array, a/d converter signal hair
Sending end connection sensor collection array signal receiving terminal, sensor collection array signal output end connection DSP Processor signal connect
Receiving end, backlight assembly working signal end connection DSP Processor backlight signal end, sensor collection array pass through logical output circuit
Collection information is stored in fingerprint image buffer, piezoelectric film sensor signal output part connection DSP Processor piezoelectric signal
Receiving terminal；Sensor is gathered array and arranged using concentric circles, as shown in Figure 9；Fingerprint recognition circuit passes through backlight assembly pair
User fingerprints are irradiated, and obtain finger print information by sensor collection array, it is to preferably adopt to be arranged to concentric circles arrangement
Collect finger print information, finger print information is obtained by ccd sensor, perceive whether fingerprint is attached to touch by piezoelectric film sensor
On screen, acquired analog quantity information carries out output by a/d converter and is converted to digital data transmission to DSP Processor, is obtained
The finger print information taken is stored in fingerprint image buffer, and the a/d converter of the application is passed through after conversion chip transmission amplification,
Data acquisition accurate stable, carried out by dc-dc after stablizing output, be transferred to processor and carry out data processing.
As shown in figure 8, the a/d converter includes：Voltage input end connects the 9th resistance one end, the 9th resistance other end point
Not Lian Jie the 10th resistance one end and the 2nd operational amplifier negative input, the 10th resistance one end is also connected with the 6th electric capacity one end, the 6th
The electric capacity other end connects the 10th resistance other end and the 2nd operational amplifier output terminal, the 2nd operational amplifier electrode input end respectively
The 5th electric capacity one end and the 3rd resistance one end are connected respectively, and the 5th electric capacity other end connects the 1st electric capacity one end respectively and the 3rd resistance is another
One end, the 3rd resistance other end are also connected with the 1st resistance one end, and the 1st resistance other end connects the 1st electric capacity other end and the 2nd electricity respectively
One end is hindered, the 1st electric capacity other end is also connected with the 1st operational amplifier electrode input end, and the 2nd resistance other end connects the 4th electricity respectively
One end and the 2nd electric capacity one end, the 2nd electric capacity other end ground connection are hindered, the 4th resistance other end connects the input of the 1st operational amplifier positive pole
End, the 1st operational amplifier output terminal connect the 5th resistance one end and the 7th resistance one end respectively, and the 5th resistance other end connects respectively
3rd electric capacity one end and the second AD conversion chip cathode power supply input, the 7th resistance other end connect the 1st operational amplifier respectively
Negative input and the 8th resistance one end, the 8th resistance other end connect the 2nd operational amplifier output terminal and the 6th resistance one respectively
End, the 6th resistance other end connect the second AD conversion chip negative power supply input and the 4th electric capacity one end respectively, and the 4th electric capacity is another
End connects the 3rd electric capacity other end and ground connection respectively, and the first AD conversion chip output end connects the second AD conversion chip reference signal
End, the second AD conversion chip voltage output end connect the 13rd resistance one end, the 13rd resistance other end connection dc-dc loop
Input, second the first output end of AD conversion chip connect the 12nd resistance one end, the 12nd resistance other end connection dc-dc
Bus input end, second the second output end of AD conversion chip connect the 11st resistance one end, and the 11st resistance other end connection DC-DC turns
Parallel operation reference signal input, converter power supply input connect the 7th electric capacity one end and the 14th resistance one end respectively, and the 7th
The electric capacity other end and the 14th resistance other end connection dc-dc power end, 12V power inputs connect the 15th resistance respectively
One end and the 18th resistance one end, the 18th resistance one end are also connected with the 16th resistance one end, the connection DC-DC conversions of the 16th resistance other end
Device first switch signal end, the 15th resistance other end connection dc-dc set end, and the 18th resistance other end connects the respectively
1 transistor source and the 17th resistance one end, the 17th resistance other end connection dc-dc second switch signal end, the 1st crystal
Pipe drain electrode connects dc-dc frequency input and the 19th resistance one end respectively, and the 19th resistance other end connects the 8th electric capacity one
End, the 8th electric capacity other end ground connection, 12V power inputs are also connected with the 2nd inductance one end, and the 2nd inductance other end connects DC- respectively
DC converter frequencies output end and the 20th resistance one end, the 20th resistance other end connect the 21st resistance one end, and the 21st resistance is another
End connection dc-dc frequency working end.1st transistor gate connects the 1st inductance one end, the connection point of the 1st inductance other end
Not Lian Jie the 9th electric capacity one end and the 2nd transistor gate, the 9th electric capacity other end connection MCU voltage ends, the 2nd transistor drain connection
MCU high level signals end, the 2nd transistor source connect the 22nd resistance one end and the 3rd transistor gate, the leakage of the 3rd transistor respectively
Pole connection MCU low level signals end, the 3rd transistor source connect the 23rd resistance one end and ground connection, the 22nd resistance other end respectively
The 23rd resistance other end and the 10th electric capacity one end are connected respectively, and the 23rd resistance one end connects the 10th electric capacity other end, the 2nd transistor
Source electrode is also connected with the 1st diode cathode, and the 1st diode cathode connects the 10th electric capacity one end, and the 1st diode cathode is also connected with the 3rd
Inductance one end, the 3rd inductance other end connect the 4th transistor source and the 25th resistance one end respectively, and the 4th transistor drain connects respectively
Connect the 24th resistance one end and dc-dc power end, the 24th resistance other end connection 5V power ends, the 4th transistor gate point
Not Lian Jie the 26th resistance one end and the 28th resistance one end, the 25th resistance other end connection dc-dc working signal positive terminal,
The 26th resistance other end connects dc-dc working signal negative pole end, and the 28th resistance connects dc-dc loading letter respectively
Number end and the 27th resistance one end, the 27th resistance other end ground connection；
As shown in Figure 10, the controller controls electric pushrod step motion by push rod drive circuit, and the push rod drives
Dynamic circuit includes：MCU the first signal control terminals connect the 30th resistance one end and the 31st resistance one end, the connection of MCU power ends respectively
29th resistance one end, the 29th resistance other end connect the 30th resistance other end and the 2nd light emitting diode negative pole respectively, and the 2nd is luminous
Diode cathode connects the 3rd light emitting diode negative pole, and the 3rd light emitting diode positive pole connects the 32nd resistance one end and the 4th two respectively
Pole pipe negative pole, the 31st resistance other end connect the 3rd operational amplifier electrode input end, and the 4th diode cathode connects the 3rd computing and put
Big device negative input, the 3rd operational amplifier output terminal connect the 35th resistance one end and the 34th resistance one end, the 32nd resistance respectively
The other end connects the 36th resistance one end and the 6th transistor collector respectively, and the 36th resistance other end connects the 6th triode base respectively
Pole and the 35th resistance other end, the 6th transistor emitter connect the 6th diode cathode and the 37th resistance one end, the 6th two pole respectively
Pipe negative pole connects the 6th transistor collector and the 8th transistor gate respectively, and the 8th transistor drain connects the 6th diode cathode,
The 37th resistance other end connects the 5th transistor collector and the 5th diode cathode respectively, and the 5th transistor emitter connects respectively
5th diode cathode and the 33rd resistance one end, the 33rd resistance other end connect the 34th resistance other end and the 5th triode base respectively
Pole, the 5th diode cathode are also connected with the 7th transistor drain, and the 7th transistor source connects the 5th diode cathode and ground connection respectively,
7th transistor gate connects the 8th transistor source, and the 8th transistor source is also connected with step actuator signal first input end, walks
Enter the output end of driver signal first and connect the first stepper motor, the first stepper motor drives the first electric pushrod；The push rod drives
Dynamic circuit obtains signal amplification is carried out by amplifier after MCU processor datas after, the driving that is formed by transistor and diode
Circuit is sent to stepper drive circuit U LN2003, and stepper motor is controlled by stepper drive circuit, electronic so as to control
Push rod precise displacement.
The 38th resistance one end of MCU secondary signals control terminal connection, the 39th resistance one end of the 38th resistance other end connection, the 39th
The resistance other end connects the 4th operational amplifier electrode input end, and the 4th operational amplifier negative input connects the 7th two pole respectively
Pipe positive pole and the 11st electric capacity one end, the 11st electric capacity other end connect the 3rd operational amplifier negative input, the 4th operational amplifier
Output end connects the 42nd resistance one end and the 43rd resistance one end respectively, and the 7th diode cathode connects the 40th resistance one end, the 40th electricity
The resistance other end connects the 44th resistance one end and the 10th transistor collector respectively, and the 42nd resistance other end connects the 41st resistance respectively
One end and the 9th transistor base, the 10th transistor base connect the 43rd resistance other end and the 44th resistance one end respectively, and the 10th 3
Pole pipe colelctor electrode connects the 9th diode cathode and the 12nd transistor gate respectively, and the 12nd transistor drain connects the 9th two pole respectively
Pipe positive pole and the 10th transistor emitter, the 10th transistor emitter are also connected with the 45th resistance one end, the 45th resistance other end point
Not Lian Jie the 9th transistor collector and the 8th diode cathode, the 8th diode cathode connects the 9th transistor emitter and respectively
11 transistor sources, the 9th transistor emitter are also connected with the 41st resistance other end, and the 11st transistor drain connects the 8th diode
Negative pole, the 11st transistor gate connect the 12nd transistor source and the input of step actuator signal second, stepper drive respectively
The output end of device signal second connects the second stepper motor, and the second stepper motor drives the second electric pushrod；
Controller image pickup signal end is also connected with camera signals output end, and controller is raised one's voice signal end connection loudspeaker signal
Input, controller show signal end connection display lamp signal input part；
As shown in figure 12, the loudspeaker includes：
Mains supply positive terminal connects the 17th electric capacity one end, the 17th electric capacity other end connection cathode rectifier input, city
Electric power cathode end connects rectifier bridge negative input, the output end of rectifier bridge first connect respectively the 10th diode cathode with
11st diode cathode, the 10th diode cathode connect the 46th resistance one end, and the 46th resistance other end connects the 11st 2 pole respectively
Pipe negative pole and the 12nd electric capacity one end, the 12nd electric capacity other end connect the 11st diode cathode and ground connection respectively, and the 46th resistance is another
End is also respectively connected with the output end of rectifier bridge second and the 13rd diode cathode, and the 13rd diode cathode is also connected with the 47th resistance one end
With the 12nd diode cathode, the 47th resistance other end connects the 14th diode cathode, the 14th diode cathode ground connection, the 13rd 2 pole
Pipe negative pole connects the 18th electric capacity one end and the 48th resistance one end, the 18th electric capacity other end ground connection respectively, and the 48th resistance other end connects
The 13rd transistor collector is connect, the 13rd transistor emitter connects the 49th resistance one end and ground connection, the 49th resistance other end respectively
The 16th transistor base, the 16th transistor emitter ground connection are connected, the 16th transistor collector connects the 50th resistance one end respectively
With buzzer one end, the 50th resistance other end connects the 51st resistance one end and the buzzer other end, the 51st resistance other end respectively
5V power supplys and the 58th resistance one end are connected respectively, and the 58th resistance other end connects the 59th resistance one end, and the 59th resistance other end connects
The 18th transistor emitter, the 18th transistor collector ground connection are connect, the 18th transistor base connects the 61st resistance one end, the 61st electricity
Other end connection buzzer the first pulse signal of processor end is hindered, 5V power supplys are also respectively connected with the 13rd electric capacity one end and the 60th resistance
One end, the 60th resistance other end connect buzzer processor reset end and the 14th electric capacity one end respectively, the 13rd electric capacity other end and
The 14th electric capacity other end is grounded, the 1st controlling switch connection buzzer the first analog signal of processor end, the connection of the 2nd controlling switch
The second analog signal of buzzer processor end, one end connects the first controlling switch one respectively after the 15th electric capacity and the 16th electric capacity parallel connection
End and second controlling switch one end, the other end connects crystal oscillator and buzzer processor respectively after the 15th electric capacity and the 16th electric capacity parallel connection
Crystal oscillator end, the 12nd diode cathode connect the 14th transistor collector, the 14th transistor emitter connect the 52nd resistance one end,
The 52nd resistance other end connects the 15th transistor base, and the 15th transistor collector connects the 53rd resistance one end and the second honeybee respectively
Ring device one end, and the second buzzer other end connects the second buzzer other end and the 54th resistance one end respectively, and the 54th resistance is another
End connects 5V power supplys and the 55th resistance one end respectively, and the 55th resistance other end connects the 56th resistance one end, the 56th resistance other end
The 17th transistor emitter is connected, the 17th transistor collector connects the 15th transistor emitter, the connection of the 17th transistor base
57th resistance one end, the 57th resistance other end connection buzzer the second pulse signal of processor end.By in the different position in room
Install buzzer ensure user using when can know in time fingerprint recognition circuit verify result, some start stop switches are set
S1, S2 are controlled cut-out to alarm duration, so as to bring more preferable Consumer's Experience.
As shown in Figs. 13 and 14, position sensor uses laser tube, will send information to by station acquisition transmission circuit
Single-chip microcomputer, single-chip microcomputer transfer data to network port circuit, are transferred to intelligent terminal by network port circuit, pass through interchanger and route
Device is transferred to remote management center, and D15 is as position sensor；Wherein remote management center data transmit-receive end connection route device number
According to sending and receiving end, router connects some intelligent entrance guard switches, as fingerprint recognition circuit system by interchanger respectively, so as to control
The gate inhibition of building or user terminal processed.
63rd resistance one end connects the 5th operational amplifier negative input and the 15th light emitting diode positive pole respectively, and the 63rd
The resistance other end is grounded, and the 15th light emitting diode negative pole connects the 5th operational amplifier output terminal and the 18th electric capacity one end respectively, the
5 operational amplifier electrode input ends connect the 61st resistance one end and the 64th resistance one end respectively, and the 61st resistance other end connects respectively
The 62nd resistance one end and the 17th electric capacity one end, the 17th electric capacity other end ground connection are connect, the 62nd resistance other end connects the 65th electricity respectively
One end and the 6th operational amplifier electrode input end are hindered, the 65th resistance other end connects the 64th resistance other end, and the 18th electric capacity is another
The 7th operational amplifier electrode input end of end connection, the 7th operational amplifier negative input connect the 66th resistance one end and the respectively
67 resistance one end, the 66th resistance other end connect the 6th operational amplifier output terminal, the 7th operational amplifier output terminal difference respectively
The 67th resistance other end and the 16th diode cathode are connected, the 16th diode connects the 71st resistance one end and the 19th transistor respectively
Base stage, the 19th transistor collector ground connection, the 19th emitter connect the 1st optocoupler electrode input end, and the 1st optocoupler negative pole is defeated
Enter end the 73rd resistance one end of connection, the 73rd resistance other end connects the 71st resistance other end and position detection power input respectively
End, the 71st resistance other end are also respectively connected with the 74th resistance one end and the 72nd resistance one end, and the 74th resistance other end connects the 2nd light
Coupling electrode input end, the 72nd resistance other end connect the 17th diode cathode and the 20th transistor base, the 20th transistor respectively
Colelctor electrode connects the 2nd optocoupler negative input, the 20th emitter ground connection, and the 17th diode cathode connects the 8th fortune respectively
Calculate amplifier out and the 70th resistance one end, the 70th resistance other end connect the 69th resistance one end and the 8th operation amplifier respectively
Device negative input, the 69th resistance other end ground connection, the 68th resistance one end of the 8th operational amplifier electrode input end connection, the 68th
The resistance other end connects the 67th resistance other end, and the 1st optocoupler output connects the signal receiving end of single-chip microcomputer first, and the 2nd optocoupler is defeated
Go out end connection single-chip microcomputer secondary signal receiving terminal, single-chip microcomputer high level cathode output end connects the 75th resistance one end, the 75th resistance
The other end connects the 21st electric capacity one end and the 76th resistance one end respectively, and the 76th resistance other end connection single-chip microcomputer high level negative pole is defeated
Go out end, the 21st electric capacity other end ground connection, single-chip microcomputer low level cathode output end connects the 77th resistance one end, the 77th resistance other end
The 22nd electric capacity one end and the 78th resistance one end are connected respectively, the 78th resistance other end connects single-chip microcomputer low level cathode output end,
The 22nd electric capacity other end is grounded, and the 75th resistance one end and the 76th resistance other end are also connected with the 1st transformer inputs, the 1st transformation
Device output end connects anti-static circuit first input end, and the 77th resistance one end and the 78th resistance other end are also connected with the 2nd transformer
Input, the 1st transformer output end connection input of anti-static circuit second, anti-static circuit output end connection RJ45 network interfaces are defeated
Enter end.Optical information is sent to collision block position by D15 laser diodes, collision block displacement measured, after being worked by amplifier
AT89S52 processors are transferred signals to by signal circuit, network interface are transmitted data to by the processor, so as to access
To internet, each gate control system is monitored by remote control center and remote control, so as to ensure the use of user
Safety.
Piezoelectric film sensor circuit MAX5973 (dc-dc), application characteristic：
Its chips MAX extends the sensitivity of touch, without considering extra high-voltage safety requirement.With other driving IC
Difference, the device is during operation without high speed waveform.Which simplifies system or the Code Design of application processor, reduce
Software load, accelerate the haptic response time.The shorter stand-by period, between detecting that finger touches the time touched to response
Every most important for effectively obtaining the sense of reality pressed.
First AD conversion chip is ADR439, and the second AD conversion chip is AD7982, and wherein MCU is serial for STM64, stepping
Driver is ULN2003.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of departing from the principle and objective of the present invention a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The scope of invention is limited by claim and its equivalent.
Claims (3)
- A kind of 1. fingerprint recognition circuit of remote anti-theft door, it is characterised in that including：Remote control center, station acquisition transmission Circuit, intelligent terminal, fingerprint recognition circuit, controller, position sensor, collision block and electric pushrod；Intelligent terminal signal interaction end connects controller signals interaction end, controller fingerprint recognition signal end connection fingerprint recognition electricity Road signal output part, location of controls signal receiving end link position sensor signal transmitting terminal, position sensor signal receive Contact portion collision block, controller working signal end connection electric pushrod signal receiving end；The fingerprint recognition circuit includes：Touch-screen is arranged on the upper end of sensor collection array, a/d converter signal sending end Sensor collection array signal receiving terminal is connected, sensor collection array signal output end connects DSP Processor signal receiving end, Backlight assembly working signal end connection DSP Processor backlight signal end, sensor collection array will be adopted by logical output circuit Collection information is stored in fingerprint image buffer, and piezoelectric film sensor signal output part connection DSP Processor piezoelectric signal receives End；Sensor is gathered array and arranged using concentric circles；The a/d converter includes：Voltage input end connects the 9th resistance one end, and the 9th resistance other end connects the 10th resistance respectively One end and the 2nd operational amplifier negative input, the 10th resistance one end are also connected with the 6th electric capacity one end, the 6th electric capacity other end difference The 10th resistance other end and the 2nd operational amplifier output terminal are connected, the 2nd operational amplifier electrode input end connects the 5th electricity respectively Hold one end and the 3rd resistance one end, the 5th electric capacity other end connect the 1st electric capacity one end and the 3rd resistance other end respectively, the 3rd resistance is another One end is also connected with the 1st resistance one end, and the 1st resistance other end connects the 1st electric capacity other end and the 2nd resistance one end, the 1st electric capacity respectively The other end is also connected with the 1st operational amplifier electrode input end, and the 2nd resistance other end connects the 4th resistance one end and the 2nd electric capacity respectively One end, the 2nd electric capacity other end ground connection, the 4th resistance other end connect the 1st operational amplifier electrode input end, the 1st operational amplifier Output end connects the 5th resistance one end and the 7th resistance one end respectively, and the 5th resistance other end connects the 3rd electric capacity one end and second respectively AD conversion chip cathode power supply input, the 7th resistance other end connect the 1st operational amplifier negative input and the 8th electricity respectively One end is hindered, the 8th resistance other end connects the 2nd operational amplifier output terminal and the 6th resistance one end, the 6th resistance other end point respectively The second AD conversion chip negative power supply input and the 4th electric capacity one end are not connected, and the 4th electric capacity other end connects the 3rd electric capacity respectively The other end and ground connection, the first AD conversion chip output end connect the second AD conversion chip reference signal end, the second AD conversion chip Voltage output end connects the 13rd resistance one end, the 13rd resistance other end connection dc-dc loop input, the second AD conversion The output end of chip first connects the 12nd resistance one end, the 12nd resistance other end connection dc-dc bus input end, the 2nd AD The output end of conversion chip second connects the 11st resistance one end, the connection dc-dc reference signal input of the 11st resistance other end End, converter power supply input connect the 7th electric capacity one end and the 14th resistance one end, the 7th electric capacity other end and the 14th respectively The resistance other end connects dc-dc power end, and 12V power inputs connect the 15th resistance one end and the 18th resistance one respectively End, the 18th resistance one end are also connected with the 16th resistance one end, the 16th resistance other end connection dc-dc first switch signal End, the 15th resistance other end connection dc-dc set end, the 18th resistance other end connect respectively the 1st transistor source and 17th resistance one end, the 17th resistance other end connection dc-dc second switch signal end, the 1st transistor drain connect respectively Dc-dc frequency input and the 19th resistance one end are connect, the 19th resistance other end connects the 8th electric capacity one end, and the 8th electric capacity is another One end is grounded, and 12V power inputs are also connected with the 2nd inductance one end, and the 2nd inductance other end connects dc-dc frequency respectively Output end and the 20th resistance one end, the 20th resistance other end connect the 21st resistance one end, and the 21st resistance other end connection DC-DC turns Parallel operation frequency working end.1st transistor gate connects the 1st inductance one end, and the connection of the 1st inductance other end connects the 9th electric capacity respectively One end and the 2nd transistor gate, the 9th electric capacity other end connection MCU voltage ends, the 2nd transistor drain connection MCU high level signals End, the 2nd transistor source connect the 22nd resistance one end and the 3rd transistor gate, the low electricity of the 3rd transistor drain connection MCU respectively Flat signal end, the 3rd transistor source connect the 23rd resistance one end and ground connection respectively, and the 22nd resistance other end connects the 23rd electricity respectively The other end and the 10th electric capacity one end are hindered, the 23rd resistance one end connects the 10th electric capacity other end, and the 2nd transistor source is also connected with the 1st Diode cathode, the 1st diode cathode connect the 10th electric capacity one end, and the 1st diode cathode is also connected with the 3rd inductance one end, the 3rd electricity The sense other end connects the 4th transistor source and the 25th resistance one end respectively, and the 4th transistor drain connects the 24th resistance one end respectively With dc-dc power end, the 24th resistance other end connection 5V power ends, the 4th transistor gate connects the 26th resistance respectively One end and the 28th resistance one end, the 25th resistance other end connection dc-dc working signal positive terminal, the 26th resistance other end Dc-dc working signal negative pole end is connected, the 28th resistance connects dc-dc loading signal end and the 27th resistance respectively One end, the 27th resistance other end ground connection；The controller controls electric pushrod step motion by push rod drive circuit, and the push rod drive circuit includes：MCU believes Number control terminal connects the 30th resistance one end and the 31st resistance one end respectively, and MCU power ends connect the 29th resistance one end, the 29th resistance The other end connects the 30th resistance other end and the 2nd light emitting diode negative pole respectively, and the 2nd light emitting diode positive pole connection the 3rd is luminous Diode cathode, the 3rd light emitting diode positive pole connect the 32nd resistance one end and the 4th diode cathode respectively, and the 31st resistance is another The 3rd operational amplifier electrode input end of end connection, the 4th diode cathode connect the 3rd operational amplifier negative input, the 3rd fortune Calculate amplifier out and connect the 35th resistance one end and the 34th resistance one end respectively, the 32nd resistance other end connects the 36th electricity respectively Resistance one end and the 6th transistor collector, the 36th resistance other end connect the 6th transistor base and the 35th resistance other end respectively, 6th transistor emitter connects the 6th diode cathode and the 37th resistance one end respectively, and the 6th diode cathode connects the 6th three respectively Pole pipe colelctor electrode and the 8th transistor gate, the 8th transistor drain connect the 6th diode cathode, and the 37th resistance other end connects respectively The 5th transistor collector and the 5th diode cathode are connect, the 5th transistor emitter connects the 5th diode cathode and the 33rd electricity respectively One end is hindered, the 33rd resistance other end connects the 34th resistance other end and the 5th transistor base respectively, and the 5th diode cathode also connects The 7th transistor drain is connect, the 7th transistor source connects the 5th diode cathode and ground connection, the 7th transistor gate connection the 8th respectively Transistor source, the 8th transistor source are also connected with step actuator signal input part, step actuator signal output part connection step Stepper motor, stepper motor driving electric push rod；Position sensor collection collision block position, single-chip microcomputer will send information to by station acquisition transmission circuit, single-chip microcomputer is by number According to network port circuit is transferred to, intelligent terminal is transferred to by network port circuit, remote management is transferred to by interchanger and router Center；63rd resistance one end connects the 5th operational amplifier negative input and the 15th light emitting diode positive pole, the 63rd resistance respectively The other end is grounded, and the 15th light emitting diode negative pole connects the 5th operational amplifier output terminal and the 18th electric capacity one end, the 5th fortune respectively Calculate amplifier anode input and connect the 61st resistance one end and the 64th resistance one end respectively, the 61st resistance other end connects the respectively 62 resistance one end and the 17th electric capacity one end, the 17th electric capacity other end ground connection, the 62nd resistance other end connect the 65th resistance one respectively End and the 6th operational amplifier electrode input end, the 65th resistance other end connect the 64th resistance other end, and the 18th electric capacity other end connects The 7th operational amplifier electrode input end is connect, the 7th operational amplifier negative input connects the 66th resistance one end and the 67th electricity respectively One end is hindered, the 66th resistance other end connects the 6th operational amplifier output terminal respectively, and the 7th operational amplifier output terminal connects respectively The 67th resistance other end and the 16th diode cathode, the 16th diode connect the 71st resistance one end and the 19th transistor base respectively Pole, the 19th transistor collector ground connection, the 19th emitter connect the 1st optocoupler electrode input end, the input of the 1st optocoupler negative pole End the 73rd resistance one end of connection, the 73rd resistance other end connect the 71st resistance other end and position detection power input respectively, The 71st resistance other end is also respectively connected with the 74th resistance one end and the 72nd resistance one end, and the 74th resistance other end connects the 2nd optocoupler Electrode input end, the 72nd resistance other end connect the 17th diode cathode and the 20th transistor base, the 20th transistor collection respectively Electrode connects the 2nd optocoupler negative input, the 20th emitter ground connection, and the 17th diode cathode connects the 8th computing respectively Amplifier out and the 70th resistance one end, the 70th resistance other end connect the 69th resistance one end and the 8th operational amplifier respectively Negative input, the 69th resistance other end ground connection, the 8th operational amplifier electrode input end connect the 68th resistance one end, the 68th electricity Hinder the other end and connect the 67th resistance other end, the 1st optocoupler output connection signal receiving end of single-chip microcomputer first, the output of the 2nd optocoupler End connection single-chip microcomputer secondary signal receiving terminal, single-chip microcomputer high level cathode output end connect the 75th resistance one end, and the 75th resistance is another One end connects the 21st electric capacity one end and the 76th resistance one end, the connection single-chip microcomputer high level negative pole output of the 76th resistance other end respectively End, the 21st electric capacity other end ground connection, single-chip microcomputer low level cathode output end connect the 77th resistance one end, the 77th resistance other end point Not Lian Jie the 22nd electric capacity one end and the 78th resistance one end, the 78th resistance other end connection single-chip microcomputer low level cathode output end, the The 22 electric capacity other ends are grounded, and the 75th resistance one end and the 76th resistance other end are also connected with the 1st transformer inputs, the 1st transformer Output end connects anti-static circuit first input end, and it is defeated that the 77th resistance one end and the 78th resistance other end are also connected with the 2nd transformer Enter end, the 1st transformer output end connection input of anti-static circuit second, the connection RJ45 network interface inputs of anti-static circuit output end End.
- 2. the fingerprint recognition circuit of remote anti-theft door according to claim 1, it is characterised in that the first AD conversion core Piece is ADR439.
- 3. the fingerprint recognition circuit of remote anti-theft door according to claim 1, it is characterised in that the step actuator is ULN2003。
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|---|---|---|---|
| CN201710824432.8A CN107657694B (en) | 2017-09-13 | 2017-09-13 | Fingerprint identification circuit of remote anti-theft door |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710824432.8A CN107657694B (en) | 2017-09-13 | 2017-09-13 | Fingerprint identification circuit of remote anti-theft door |
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| CN107657694A true CN107657694A (en) | 2018-02-02 |
| CN107657694B CN107657694B (en) | 2020-01-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109559417A (en) * | 2019-01-24 | 2019-04-02 | 广东科徕尼智能科技有限公司 | A kind of smart lock and its operation method preventing fingerprint recognition mould group electrostatic interference MCU controller chip |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109559417A (en) * | 2019-01-24 | 2019-04-02 | 广东科徕尼智能科技有限公司 | A kind of smart lock and its operation method preventing fingerprint recognition mould group electrostatic interference MCU controller chip |
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| CN107657694B (en) | 2020-01-14 |
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