CN107632536A - The Internet of Things perception terminal that a kind of wrist wearing type is identified based on living body finger print - Google Patents
The Internet of Things perception terminal that a kind of wrist wearing type is identified based on living body finger print Download PDFInfo
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- CN107632536A CN107632536A CN201710668314.2A CN201710668314A CN107632536A CN 107632536 A CN107632536 A CN 107632536A CN 201710668314 A CN201710668314 A CN 201710668314A CN 107632536 A CN107632536 A CN 107632536A
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Abstract
The invention discloses the Internet of Things perception terminal that a kind of wrist wearing type is identified based on living body finger print, including Internet of Things perception terminal main body, the top side of the Internet of Things perception terminal main body is provided with display module, display module is LCDs, and the side of display module is provided with matrix form digital input unit and the fingerprint sensor positioned at matrix form digital input unit side, fingerprint sensor and matrix form digital input unit are installed in the top opposite side of Internet of Things perception terminal main body, the arc backplate that position matches with fingerprint sensor is also equipped with the top of Internet of Things perception terminal main body.The present invention replaces touch-screen using LCDs; it also add fingerprint sensor; fingerprint image that main control module is gathered according to fingerprint sensor starts to display module; user is no longer needed in the enterprising line slip unblock of display module; the damage of display module is greatly reduced, fingerprint sensor also has over-voltage protection function in addition.
Description
Technical field
The present invention relates to Internet of Things perception terminal technical field, more particularly to a kind of wrist wearing type to be known based on living body finger print
Other Internet of Things perception terminal.
Background technology
Internet of Things is new round information technology revolution and the Industrial Revolution after computer, internet and mobile communication；
1998, Massachusetts Institute Technology creatively proposes to conceive at that time " Internet of Things " referred to as EPC system, Internet of Things
Earliest concept is that RFID technique and sensor technology are applied to form Internet of Things in every-day object, and what is focused on is the mark of article
Note, the definition generally acknowledged in the world for Internet of Things still neither one at present, relatively extensive explain are, inductor insertion and dress
Simultaneously construct is fitted in the various objects such as power network, railway, bridge, tunnel, highway, building, water system, dam, oil-gas pipeline
Networking, then Internet of Things and existing internet are integrated, realize the integration of human society and physical system, Internet of Things exists
Perception terminal has a wide range of applications, such as wrist wearing type Internet of Things perception terminal.
Existing wrist wearing type Internet of Things perception terminal does not have fingerprint identification function, must be in hand when being unlocked
The enterprising line slip unblock of touch-screen of wrist Worn type Internet of Things perception terminal so that touch-screen is easily damaged.
The content of the invention
Based on technical problem existing for background technology, the present invention is proposed a kind of wrist wearing type and identified based on living body finger print
Internet of Things perception terminal.
The Internet of Things perception terminal that a kind of wrist wearing type proposed by the present invention is identified based on living body finger print, including Internet of Things
Perception terminal main body, the top side of the Internet of Things perception terminal main body are provided with display module, and display module is liquid crystal
Display screen, and the side of display module is provided with matrix form digital input unit and the fingerprint positioned at matrix form digital input unit side
The top that sensor, the fingerprint sensor and matrix form digital input unit are installed in Internet of Things perception terminal main body is another
Side, the arc backplate that position matches with fingerprint sensor is also equipped with the top of the Internet of Things perception terminal main body, it is described
The inside of Internet of Things perception terminal main body is provided with circuit board, and main control module is welded with circuit board, and the of the main control module
One input is electrically connected with the output end of high level trigger module, and the input of the high level trigger module is electrically connected with
The output end of infrared detection module, fingerprint identification module, the first output end of the main control module are electrically connected with the control terminal of the second relay, and
The input of second relay is electrically connected with the output end of the first relay, and the input of first relay is electrically connected with
There are the voltage output end of power module and the input of overvoltage detection circuit, the output end of the overvoltage detection circuit and master
The second input for controlling module is electrically connected with, and the control terminal of first relay and the second output end of main control module electrically connect
Connect, the output end of second relay and the voltage input end of fingerprint sensor are electrically connected with, and the control of fingerprint sensor
3rd output end of end and main control module is electrically connected with, and the output end of the fingerprint sensor is electrically connected with fingerprint image analysis
The input of module, and the output end of fingerprint image analysis module is electrically connected with the input of fingerprint image matching module, institute
State the output end of fingerprint image matching module and the 3rd input of main control module is electrically connected with, and the 4th output of main control module
The control terminal of end and display module is electrically connected with.
Preferably, the side of the Internet of Things perception terminal main body is movably installed with the first watchband, and the top of the first watchband
Portion offers multiple linear distributing lock holes, and the opposite side of the Internet of Things perception terminal main body is movably installed with the second table
Band, and side of second watchband away from Internet of Things perception terminal main body is movably installed with locking piece, one in multiple lock holes
Lock hole is mutually installed with locking piece.
Preferably, the fingerprint image analysis module is used to receive the collection image transmitted by fingerprint sensor, then refers to
Print image analysis module is analyzed the collection image transmitted by fingerprint sensor, and last fingerprint image analysis module will be analyzed
As a result it is sent to fingerprint image matching module.
Preferably, the storage inside of the fingerprint image matching module has the fingerprint image of the Internet of Things perception terminal owner
Picture, the fingerprint image matching module are used to receive the analysis result transmitted by fingerprint image analysis module, then fingerprint image
The Internet of Things perception terminal owner that matching module is stored the analysis result transmitted by fingerprint image analysis module and inside
Fingerprint image matched, matching result is sent to main control module by last fingerprint image matching module.
Preferably, the infrared detection module, fingerprint identification module includes being arranged on the infrared sensor on the inside of arc backplate, and infrared sensing
Device is located at the top of fingerprint sensor, the signal output part of the infrared sensor electrically have amplifier U1 negative input,
Resistance R1 one end and electric capacity C1 one end, and amplifier U1 electrode input end is electrically connected with resistance R2 one end, it is described
Resistance R2 other end ground connection, the output end of the amplifier U1 be electrically connected with the electric capacity C1 other end, resistance R1 it is another
End and resistance R3 first end, and to be electrically connected with resistance R3 sliding end, amplifier U2 negative pole defeated at resistance R3 the second end
Enter end, electric capacity C2 one end and resistance R4 one end, the electrode input end of the amplifier U2 is electrically connected with the one of resistance R5
End, and resistance R5 other end ground connection, the negative pole of the amplifier U2 are electrically connected with the resistance R4 other end, the one of electric capacity C2
End and coupler T1 pin 1, and coupler T1 pin 2 and pin 4 are grounded, the pin 3 of the coupler T1 and infrared
The output end of detection module is electrically connected with.
Preferably, the inside of the high level trigger module includes the chip U3 of IC555 models, and chip U3 pin 8
It is electrically connected with 5 volts of power supplys, chip U3 pin 8, resistance R6 first end and resistance R6 sliding end, the of the resistance R6
Two ends are electrically connected with chip U3 pin 7 and electric capacity C3 one end, and the other end of the electric capacity C3 is electrically connected with electric capacity C4
One end and chip U3 pin 1, and electric capacity C3 other end ground connection, the other end of the electric capacity C4 and chip U3 pin 5
It is electrically connected with, the pin 2 of the chip U3 is electrically connected with chip U3 pin 6 and the input of high level trigger module, and
Chip U3 pin 3 and the output end of high level trigger module are electrically connected with.
Preferably, the Zenith tracking module includes voltage detector, and the voltage detecting port of voltage detector and
The input of first relay is electrically connected with, and the output end of the voltage detector is electrically connected with relay Q1 pin 1, and
The 2 of relay Q1 are electrically connected with resistance R7 one end, and the other end of the resistance R7 is electrically connected with 5 volts of power supplys, it is described after
Electrical equipment Q1 pin 3 is electrically connected with coupler T2 pin 1, and coupler T2 pin 2 and pin 4 are grounded, the coupling
Clutch T2 pin 3 is electrically connected with amplifier U4 negative input and resistance R8 first end, and amplifier U4 positive pole
Input is electrically connected with resistance R9 one end, and the other end of the resistance R9 is grounded, and the output end of the amplifier U4 is electrical
It is connected with the output end at resistance R8 the second end, resistance R8 sliding end and Zenith tracking module.
Preferably, the voltage detector is used to detect the voltage of the first relay input, then voltage detecting
Threshold value set by the result of detection and inside is compared by device, and last voltage detector enters according to the comparative result of itself
Voltage analog signal corresponding to row output.
Preferably, the resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8 and
Resistance R9 resistance is followed successively by 1.5K Ω, 2.4K Ω, 1K Ω, 1.5K Ω, 1K Ω, 2.4K Ω, 1.5K Ω, 1.5K Ω, 1K Ω, and
Resistance R3, resistance R6 and resistance R8 are swept resistance, the electric capacity C1, electric capacity C2, electric capacity C3 and electric capacity C4 be 220 μ F,
33pF、33pF、220μF。
Preferably, the amplifier U1, amplifier U2 and amplifier U4 are the operational amplifier of CA3130 models, and coupling
Clutch T1 and coupler T2 is the photoelectrical coupler of TLP621-3 models.
Beneficial effects of the present invention：
1st, by infrared detection module, fingerprint identification module, high level trigger module, the second relay, the first relay, power module and refer to
Line sensor is engaged, and infrared detection module, fingerprint identification module is by the infrared sensor on the inside of arc backplate, amplifier U1, resistance
R1, electric capacity C1, resistance R2, resistance R3, amplifier U2, resistance R4, electric capacity C2, resistance R5 and coupler T1 are collectively formed, hot
Outer sensor has detected that finger gos deep between arc backplate and fingerprint sensor, the analog signal that infrared sensor is exported
Pass through amplifier U1, amplifier U2 and coupler T1 successively, the high level digital signal that last coupler T1 is exported is to high electricity
Flat trigger module is triggered, and now the relay of master control module controls second is turned on, and then power module is to fingerprint sensing
Device is powered so that fingerprint sensor is started, the fingerprint image that last main control module is collected according to fingerprint sensor
As being controlled to display module；
2nd, main control module, Zenith tracking module, the first relay, the second relay, fingerprint sensor and power supply are passed through
Module is engaged, and Zenith tracking module by be electrically connected with the first relay output end voltage detector, relay Q1,
Resistance R7, coupler T2, amplifier U8, resistance R8 and resistance R8 are collectively formed, when voltage detector detects the first relay
Threshold value of the magnitude of voltage of input set by higher than voltage detector inside, voltage detector control relay Q1 are led
Logical, now 5 volts of power supplys provide required simulation high level, the high level digital signal that coupler T2 is exported for coupler T2
Digital amplification is carried out by amplifier U4, the high level digital signal that final amplifier U4 is exported touches to main control module
Hair, now main control module effectively prevent by the first relay come the contact between deenergization module and fingerprint sensor
Fingerprint sensor is damaged because voltage is excessive；
The present invention replaces touch-screen using LCDs, also add fingerprint sensor, main control module passes according to fingerprint
The fingerprint image that sensor is gathered starts to display module, and user no longer needed in the enterprising line slip of display module, pole
The big damage for reducing display module, in addition fingerprint sensor also there is over-voltage protection function.
Brief description of the drawings
Fig. 1 is the vertical view for the Internet of Things perception terminal that a kind of wrist wearing type proposed by the present invention is identified based on living body finger print
Figure；
Fig. 2 is the side view for the Internet of Things perception terminal that a kind of wrist wearing type proposed by the present invention is identified based on living body finger print
Figure；
Fig. 3 is the work for the Internet of Things perception terminal that a kind of wrist wearing type proposed by the present invention is identified based on living body finger print
Schematic diagram；
Fig. 4 is the infrared of the Internet of Things perception terminal that a kind of wrist wearing type proposed by the present invention is identified based on living body finger print
The internal circuit diagram of detection module；
Fig. 5 is the height electricity for the Internet of Things perception terminal that a kind of wrist wearing type proposed by the present invention is identified based on living body finger print
The internal circuit diagram of flat trigger module；
Fig. 6 is the excessively electric of the Internet of Things perception terminal that a kind of wrist wearing type proposed by the present invention is identified based on living body finger print
Press the internal circuit diagram of detection module.
In figure：1 Internet of Things perception terminal main body, 2 display modules, 3 matrix form digital input units, 4 fingerprint sensors, 5
Arc backplate, 6 first watchbands, 7 second watchbands, 8 infrared sensors.
Embodiment
The present invention is made with reference to specific embodiment further to explain.
Embodiment
With reference to figure 1-6, a kind of wrist wearing type is proposed in the present embodiment and is perceived based on the Internet of Things that living body finger print identifies
Terminal, including Internet of Things perception terminal main body 1, the top side of Internet of Things perception terminal main body 1 are provided with display module 2, show
It is LCDs to show module 2, and the side of display module 2 is provided with matrix form digital input unit 3 and positioned at matrix form numeral
The fingerprint sensor 4 of the side of input unit 3, fingerprint sensor 4 and matrix form digital input unit 3 are installed in Internet of Things perception
The top opposite side of terminal body 1, the top of Internet of Things perception terminal main body 1 are also equipped with position and the phase of fingerprint sensor 4
The arc backplate 5 matched somebody with somebody, the inside of Internet of Things perception terminal main body 1 is provided with circuit board, and main control module is welded with circuit board, main
The first input end of control module is electrically connected with the output end of high level trigger module, and the input of high level trigger module is electrical
The output end of infrared detection module, fingerprint identification module is connected with, infrared detection module, fingerprint identification module includes being arranged on the infrared sensor 8 of the inner side of arc backplate 5,
And infrared sensor 8 is located at the top of fingerprint sensor 4, the signal output part of infrared sensor 8 electrically has bearing for amplifier U1
One end of pole input, resistance R1 one end and electric capacity C1, and amplifier U1 electrode input end is electrically connected with resistance R2's
One end, resistance R2 other end ground connection, amplifier U1 output end be electrically connected with the electric capacity C1 other end, resistance R1 it is another
End and resistance R3 first end, and to be electrically connected with resistance R3 sliding end, amplifier U2 negative pole defeated at resistance R3 the second end
Entering end, electric capacity C2 one end and resistance R4 one end, amplifier U2 electrode input end is electrically connected with resistance R5 one end, and
Resistance R5 other end ground connection, amplifier U2 negative pole are electrically connected with the resistance R4 other end, electric capacity C2 one end and coupling
Device T1 pin 1, and coupler T1 pin 2 and pin 4 are grounded, coupler T1 pin 3 and infrared detection module, fingerprint identification module it is defeated
Going out end to be electrically connected with, the first output end of main control module is electrically connected with the control terminal of the second relay, and the second relay
Input is electrically connected with the output end of the first relay, and the input of the first relay is electrically connected with the voltage of power module
The input of output end and overvoltage detection circuit, the output end of overvoltage detection circuit and the second input electricity of main control module
Property connection, Zenith tracking module includes voltage detector, and the voltage detecting port of voltage detector and the first relay
Input is electrically connected with, and the output end of voltage detector is electrically connected with relay Q1 pin 1, and the 2 of relay Q1 are electrical
Resistance R7 one end is connected with, the resistance R7 other end is electrically connected with 5 volts of power supplys, and relay Q1 pin 3 is electrically connected with
Coupler T2 pin 1, and coupler T2 pin 2 and pin 4 are grounded, coupler T2 pin 3 is electrically connected with amplification
Device U4 negative input and resistance R8 first end, and amplifier U4 electrode input end is electrically connected with the one of resistance R9
End, resistance R9 other end ground connection, amplifier U4 output end are electrically connected with resistance R8 the second end, resistance R8 sliding end
With the output end of Zenith tracking module, the control terminal of the first relay and the second output end of main control module are electrically connected with, the
The output end of two relays and the voltage input end of fingerprint sensor 4 are electrically connected with, and the control terminal of fingerprint sensor 4 and master control
3rd output end of module is electrically connected with, and the output end of fingerprint sensor 4 is electrically connected with the input of fingerprint image analysis module
End, and the output end of fingerprint image analysis module is electrically connected with the input of fingerprint image matching module, fingerprint image matching
The output end of module and the 3rd input of main control module are electrically connected with, and the 4th output end and display module 2 of main control module
Control terminal be electrically connected with, pass through infrared detection module, fingerprint identification module, high level trigger module, the second relay, the first relay, power supply mould
Block and fingerprint sensor 4 are engaged, and infrared detection module, fingerprint identification module is by the infrared sensor 8 installed in the inner side of arc backplate 5, amplifier
U1, resistance R1, electric capacity C1, resistance R2, resistance R3, amplifier U2, resistance R4, electric capacity C2, resistance R5 and the common structures of coupler T1
Into being goed deep into when infrared sensor 8 detects between arc backplate 5 and fingerprint sensor 4 by finger, the institute of infrared sensor 8 is defeated
The analog signal gone out passes through amplifier U1, amplifier U2 and coupler T1, the high level number that last coupler T1 is exported successively
Word signal is triggered to high level trigger module, and now the relay of master control module controls second is turned on, and then power supply mould
Block is powered to fingerprint sensor 4 so that fingerprint sensor 4 is started, and last main control module is according to the institute of fingerprint sensor 4
The fingerprint image collected is controlled to display module 2, by main control module, Zenith tracking module, first relay,
Second relay, fingerprint sensor 4 and power module are engaged, and Zenith tracking module is by electric with the first relay output end
Property connection voltage detector, relay Q1, resistance R7, coupler T2, amplifier U8, resistance R8 and resistance R8 collectively form,
When voltage detector detects that the magnitude of voltage of the first relay input is higher than the threshold value set by voltage detector inside, electricity
Pressure detector control relay Q1 is turned on, and now 5 volts of power supplys provide required simulation high level, coupling for coupler T2
The high level digital signal that device T2 is exported carries out digital amplification, the high level that final amplifier U4 is exported by amplifier U4
Data signal triggers to main control module, now main control module by the first relay come deenergization module and fingerprint sensing
Contact between device 4, it effectively prevent fingerprint sensor 4 and be damaged because voltage is excessive, the present invention utilizes LCDs
Instead of touch-screen, fingerprint sensor 4 is also add, the fingerprint image that main control module is gathered according to fingerprint sensor 4 is come to aobvious
Show that module 2 is started, user no longer needs in 2 enterprising line slip of display module, to be greatly reduced the damage of display module 2
Bad, fingerprint sensor 4 also has over-voltage protection function in addition.
In the present embodiment, the side of Internet of Things perception terminal main body 1 is movably installed with the first watchband 6, and the first watchband 6
Top offers multiple linear distributing lock holes, and the opposite side of Internet of Things perception terminal main body 1 is movably installed with the second table
Band 7, and side of second watchband 7 away from Internet of Things perception terminal main body 1 is movably installed with locking piece, one in multiple lock holes
Individual lock hole is mutually installed with locking piece, and fingerprint image analysis module is used to receive the collection image transmitted by fingerprint sensor 4, so
Fingerprint image analysis module is analyzed the collection image transmitted by fingerprint sensor 4 afterwards, last fingerprint image analysis module
Analysis result is sent to fingerprint image matching module, the storage inside of fingerprint image matching module has Internet of Things perception terminal institute
The fingerprint image for the person of having, fingerprint image matching module are used to receive the analysis result transmitted by fingerprint image analysis module, then
Fingerprint image matching module perceives the analysis result transmitted by fingerprint image analysis module and the internal Internet of Things stored eventually
The fingerprint image of the end owner is matched, and matching result is sent to main control module, high electricity by last fingerprint image matching module
The inside of flat trigger module includes the chip U3 of IC555 models, and chip U3 pin 8 is electrically connected with 5 volts of power supplys, chip U3
Pin 8, resistance R6 first end and resistance R6 sliding end, resistance R6 the second end is electrically connected with chip U3 pin 7
With electric capacity C3 one end, the electric capacity C3 other end is electrically connected with electric capacity C4 one end and chip U3 pin 1, and electric capacity C3
The other end is grounded, and the electric capacity C4 other end and chip U3 pin 5 are electrically connected with, and chip U3 pin 2 is electrically connected with chip
U3 pin 6 and the input of high level trigger module, and chip U3 pin 3 and the output end of high level trigger module are electrical
Connection, voltage detector are used to detect the voltage of the first relay input, and then voltage detector is by the result of detection
It is compared with the threshold value set by inside, last voltage detector carries out exporting corresponding electricity according to the comparative result of itself
Press analog signal, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8 and resistance R9
Resistance is followed successively by 1.5K Ω, 2.4K Ω, 1K Ω, 1.5K Ω, 1K Ω, 2.4K Ω, 1.5K Ω, 1.5K Ω, 1K Ω, and resistance R3,
Resistance R6 and resistance R8 is swept resistance, electric capacity C1, electric capacity C2, electric capacity C3 and electric capacity C4 be 220 μ F, 33pF, 33pF,
220 μ F, amplifier U1, amplifier U2 and amplifier U4 are the operational amplifier of CA3130 models, and coupler T1 and coupling
Device T2 is the photoelectrical coupler of TLP621-3 models, by infrared detection module, fingerprint identification module, high level trigger module, the second relay,
First relay, power module and fingerprint sensor 4 are engaged, and infrared detection module, fingerprint identification module is by installed in the inner side of arc backplate 5
Infrared sensor 8, amplifier U1, resistance R1, electric capacity C1, resistance R2, resistance R3, amplifier U2, resistance R4, electric capacity C2, resistance
R5 and coupler T1 are collectively formed, when infrared sensor 8 is detected between arc backplate 5 and fingerprint sensor 4 by finger depth
Enter, the analog signal that infrared sensor 8 is exported passes through amplifier U1, amplifier U2 and coupler T1, last coupler successively
The high level digital signal that T1 is exported triggers to high level trigger module, and now the relay of master control module controls second enters
Row conducting, and then power module is powered to fingerprint sensor 4 so that fingerprint sensor 4 is started, last main control module
The fingerprint image collected according to fingerprint sensor 4 is controlled to display module 2, passes through main control module, overvoltage is examined
Survey module, the first relay, the second relay, fingerprint sensor 4 and power module are engaged, and Zenith tracking module by with
Voltage detector, relay Q1, resistance R7, coupler T2, amplifier U8, the resistance R8 of first relay output end electric connection
Collectively formed with resistance R8, when voltage detector detects the magnitude of voltage of the first relay input higher than inside voltage detector
Set threshold value, voltage detector control relay Q1 are turned on, required for now 5 volts of power supplys provide for coupler T2
Simulation high level, the high level digital signal that coupler T2 is exported carries out digital amplification, final amplification by amplifier U4
The high level digital signal that device U4 is exported is triggered to main control module, and now main control module is disconnected by the first relay
Contact between power module and fingerprint sensor 4, it effectively prevent fingerprint sensor 4 and be damaged because voltage is excessive, this
Invention replaces touch-screen using LCDs, also add fingerprint sensor 4, main control module is adopted according to fingerprint sensor 4
The fingerprint image of collection starts to display module 2, and user no longer needs, in 2 enterprising line slip of display module, greatly to subtract
The small damage of display module 2, in addition fingerprint sensor 4 also there is over-voltage protection function.
In the present embodiment, when user needs to carry out in use, first in infrared detection mould Internet of Things perception terminal main body 1
Block, high level trigger module, the second relay, the first relay, power module and fingerprint sensor 4 cooperation under, first choice is used
Finger is placed on fingerprint sensor 4 by family, and now infrared sensor 8 detects between arc backplate 5 and fingerprint sensor 4
The finger of user, the high level analogue signal that infrared sensor 8 is exported carry out two by amplifier U1 and amplifier U2 successively
Level amplification, now resistance R1 and electric capacity C1 parallel connections can prevent amplifier U1 from shaking, and resistance R4 and electric capacity C2 parallel connections can
To prevent amplifier U2 from shaking, the high level analogue signal that then amplifier U2 is exported is converted to height by coupler T1
Multilevel digital signal, the high level digital signal that last coupler T1 is exported are carried out to the chip U3 in high level trigger module
Triggering, because chip U3 pin 3 and main control module are electrically connected with, now the relay of master control module controls second is turned on,
And then power module is powered to fingerprint sensor 4 so that fingerprint sensor 4 is started, and fingerprint sensor 4 is in master control mould
Under the control of block, the fingerprint image of collection is sent in fingerprint image analysis module by fingerprint sensor 4, fingerprint image analysis mould
Block is analyzed the collection image transmitted by fingerprint sensor 4, and then analysis result is sent to by fingerprint image analysis module
On fingerprint image matching module, fingerprint image matching module is by the analysis result transmitted by fingerprint image analysis module and internal institute
The fingerprint image of the Internet of Things perception terminal owner of storage is matched, and then fingerprint image matching module sends out matching result
Main control module is sent to, master control module controls display module 2 is started, when Internet of Things perception terminal main body 1 is in the process of operation
In, when voltage detector detects that the magnitude of voltage of the first relay input is higher than the thresholding set by voltage detector inside
Value, voltage detector control relay Q1 are turned on, and 5 volts of power supplys and coupler T2 are turned on so that 5 volts of power supplys are coupling
Device T2 provides required high level analogue signal, and high level analogue signal is converted to high level digital signal by coupler T2,
The high level digital signal that coupler T2 is exported carries out digital amplification, the height that final amplifier U4 is exported by amplifier U4
Multilevel digital signal triggers to main control module, now main control module by the first relay come deenergization module and fingerprint
Contact between sensor 4 so that power module stops being powered for fingerprint sensor 4, effectively prevent fingerprint sensor 4
It is damaged because voltage is excessive.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (10)
1. the Internet of Things perception terminal that a kind of wrist wearing type is identified based on living body finger print, including Internet of Things perception terminal main body
(1), the top side of the Internet of Things perception terminal main body (1) is provided with display module (2), and the side of display module (2)
Fingerprint sensor (4) provided with matrix form digital input unit (3) and positioned at matrix form digital input unit (3) side, it is described
The top that fingerprint sensor (4) and matrix form digital input unit (3) are installed in Internet of Things perception terminal main body (1) is another
Side, the arc backplate that position matches with fingerprint sensor (4) is also equipped with the top of the Internet of Things perception terminal main body (1)
(5), it is characterised in that the inside of the Internet of Things perception terminal main body (1) is provided with circuit board, and master control is welded with circuit board
Module, the first input end of the main control module are electrically connected with the output end of high level trigger module, the high level triggering
The input of module is electrically connected with the output end of infrared detection module, fingerprint identification module, and the first output end of the main control module is electrically connected with
The control terminal of second relay, and the input of the second relay is electrically connected with the output end of the first relay, described first
The input of relay is electrically connected with the voltage output end of power module and the input with overvoltage detection circuit, the mistake
The output end of voltage detecting circuit and the second input of main control module are electrically connected with, the control terminal of first relay and master
The second output end for controlling module is electrically connected with, the output end of second relay and the voltage input end of fingerprint sensor (4)
It is electrically connected with, and the control terminal of fingerprint sensor (4) and the 3rd output end of main control module are electrically connected with, the fingerprint sensor
(4) output end is electrically connected with the input of fingerprint image analysis module, and the output end of fingerprint image analysis module is electrical
It is connected with the input of fingerprint image matching module, the output end of the fingerprint image matching module and the 3rd of main control module the defeated
Enter end to be electrically connected with, and the 4th output end of main control module and the control terminal of display module (2) are electrically connected with.
2. the Internet of Things perception terminal that a kind of wrist wearing type according to claim 1 is identified based on living body finger print, it is special
Sign is that the side of the Internet of Things perception terminal main body (1) is movably installed with the first watchband (6), and the top of the first watchband (6)
Portion offers multiple linear distributing lock holes, and the opposite side of the Internet of Things perception terminal main body (1) is movably installed with
Two watchbands (7), and side of the second watchband (7) away from Internet of Things perception terminal main body (1) is movably installed with locking piece, Duo Gesuo
Determine in hole lock hole mutually to install with locking piece.
3. the Internet of Things perception terminal that a kind of wrist wearing type according to claim 1 is identified based on living body finger print, it is special
Sign is that the fingerprint image analysis module is used to receive the collection image transmitted by fingerprint sensor (4), then fingerprint image
Analysis module is analyzed the collection image transmitted by fingerprint sensor fingerprint sensor (4), and last fingerprint image analyzes mould
Analysis result is sent to fingerprint image matching module by block.
4. the Internet of Things perception terminal that a kind of wrist wearing type according to claim 1 is identified based on living body finger print, it is special
Sign is that the storage inside of the fingerprint image matching module has the fingerprint image of the Internet of Things perception terminal owner, the finger
Print image matching module is used to receive the analysis result transmitted by fingerprint image analysis module, and then fingerprint image matching module will
The fingerprint image of analysis result and the internal Internet of Things perception terminal owner stored transmitted by fingerprint image analysis module
Matched, matching result is sent to main control module by last fingerprint image matching module.
5. the Internet of Things perception terminal that a kind of wrist wearing type according to claim 1 is identified based on living body finger print, it is special
Sign is that the infrared detection module, fingerprint identification module includes being arranged on the infrared sensor (8) on the inside of arc backplate (5), and infrared sensor
(8) it is located at the top of fingerprint sensor (4), the signal output part of the infrared sensor (8) electrically has amplifier U1 negative pole
One end of input, resistance R1 one end and electric capacity C1, and amplifier U1 electrode input end is electrically connected with the one of resistance R2
End, the other end ground connection of the resistance R2, the output end of the amplifier U1 are electrically connected with the electric capacity C1 other end, resistance R1
The other end and resistance R3 first end, and resistance R3 the second end is electrically connected with resistance R3 sliding end, amplifier U2
One end of negative input, electric capacity C2 one end and resistance R4, the electrode input end of the amplifier U2 are electrically connected with resistance
R5 one end, and resistance R5 other end ground connection, the negative pole of the amplifier U2 are electrically connected with the resistance R4 other end, electric capacity
C2 one end and coupler T1 pin 1, and coupler T1 pin 2 and pin 4 are grounded, the pin 3 of the coupler T1
It is electrically connected with the output end of infrared detection module, fingerprint identification module.
6. the Internet of Things perception terminal that a kind of wrist wearing type according to claim 1 is identified based on living body finger print, it is special
Sign is that the inside of the high level trigger module includes the chip U3 of IC555 models, and chip U3 pin 8 is electrically connected with
There are 5 volts of power supplys, chip U3 pin 8, resistance R6 first end and resistance R6 a sliding end, the second end of the resistance R6 is electrical
Be connected with chip U3 pin 7 and electric capacity C3 one end, the other end of the electric capacity C3 be electrically connected with electric capacity C4 one end and
Chip U3 pin 1, and electric capacity C3 other end ground connection, the other end of the electric capacity C4 and chip U3 pin 5 are electrically connected with,
The pin 2 of the chip U3 is electrically connected with chip U3 pin 6 and the input of high level trigger module, and chip U3 draws
The output end of pin 3 and high level trigger module is electrically connected with.
7. the Internet of Things perception terminal that a kind of wrist wearing type according to claim 1 is identified based on living body finger print, it is special
Sign is that the Zenith tracking module includes voltage detector, and the voltage detecting port of voltage detector and the first relay
The input of device is electrically connected with, and the output end of the voltage detector is electrically connected with relay Q1 pin 1, and relay Q1
2 one end for being electrically connected with resistance R7, the other end of the resistance R7 is electrically connected with 5 volts of power supplys, the relay Q1's
Pin 3 is electrically connected with coupler T2 pin 1, and coupler T2 pin 2 and pin 4 are grounded, the coupler T2's
Pin 3 is electrically connected with amplifier U4 negative input and resistance R8 first end, and amplifier U4 electrode input end electricity
Property be connected with resistance R9 one end, the other end ground connection of the resistance R9, the output end of the amplifier U4 is electrically connected with electricity
Hinder R8 the second end, resistance R8 sliding end and the output end of Zenith tracking module.
8. the Internet of Things perception terminal that a kind of wrist wearing type according to claim 7 is identified based on living body finger print, it is special
Sign is that the voltage detector is used to detect the voltage of the first relay input, and then voltage detector will detect
Result and inside set by threshold value be compared, last voltage detector according to the comparative result of itself carry out output pair
The voltage analog signal answered.
9. the Internet of Things perception terminal that a kind of wrist wearing type according to claim 5 is identified based on living body finger print, it is special
Sign is, the resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8 and resistance R9
Resistance is followed successively by 1.5K Ω, 2.4K Ω, 1K Ω, 1.5K Ω, 1K Ω, 2.4K Ω, 1.5K Ω, 1.5K Ω, 1K Ω, and resistance R3,
Resistance R6 and resistance R8 is swept resistance, the electric capacity C1, electric capacity C2, electric capacity C3 and electric capacity C4 be 220 μ F, 33pF,
33pF、220μF。
10. the Internet of Things perception terminal that a kind of wrist wearing type according to claim 5 is identified based on living body finger print, it is special
Sign is, the amplifier U1, amplifier U2 and amplifier U4 are the operational amplifier of CA3130 models, and coupler T1 and
Coupler T2 is the photoelectrical coupler of TLP621-3 models.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710668314.2A CN107632536A (en) | 2017-08-08 | 2017-08-08 | The Internet of Things perception terminal that a kind of wrist wearing type is identified based on living body finger print |
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| CN201710668314.2A CN107632536A (en) | 2017-08-08 | 2017-08-08 | The Internet of Things perception terminal that a kind of wrist wearing type is identified based on living body finger print |
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