CN207801749U - A kind of recognition of face monitoring management system - Google Patents
A kind of recognition of face monitoring management system Download PDFInfo
- Publication number
- CN207801749U CN207801749U CN201721812529.9U CN201721812529U CN207801749U CN 207801749 U CN207801749 U CN 207801749U CN 201721812529 U CN201721812529 U CN 201721812529U CN 207801749 U CN207801749 U CN 207801749U
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- triode
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- transport
- signal
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Abstract
The utility model discloses a kind of recognition of face monitoring management systems,Including comparing amplifying circuit,Switching circuit and filtering output circuit,Signal in signal transmission passage in the relatively amplifying circuit reception recognition of face monitoring management system,With transport and placing device AR1,AR2 compares in amplified signal input switching circuit,The switching circuit uses triode Q1,Q2 composition compound circuits filter out abnormal signal,Last filtered output circuit uses inductance L1,L2 and polar capacitor C4,C6 forms the filtering output of π type filter circuits,It that is to say in input recognition of face monitoring management system in signal transmission passage,Using triode Q1,Q2 composition compound circuits filter out abnormal signal,Triode Q1,For the more single triode of compound circuit of Q2 compositions,Expand the conducting voltage of triode,Play the effect of protection circuit,With prodigious Development volue and practical value.
Description
Technical field
The utility model is related to monitoring management system technical fields, more particularly to a kind of recognition of face monitoring management system
System.
Background technology
Currently, in the information age, monitoring management system via traditional artificial monitoring, develops into fingerprint recognition, very
To recognition of face monitoring management system, however the signal of recognition of face monitoring management system often has the presence of abnormal signal,
The identification of recognition of face monitoring management system can be caused error occur.
So the utility model provides a kind of new scheme to solve the problems, such as this.
Utility model content
For the above situation, to overcome the defect of the prior art, the utility model to be designed to provide a kind of face knowledge
Other monitoring management system, have be skillfully constructed, the characteristic of human oriented design, can effectively stablize recognition of face monitoring management system
Signal in system and eliminate abnormal signal.
Its technical solution solved is a kind of recognition of face monitoring management system, including compares amplifying circuit, switching circuit
With filtering output circuit, the relatively amplifying circuit receives in recognition of face monitoring management system signal in signal transmission passage,
Compare in amplified signal input switching circuit with transport and placing device AR1, AR2, the switching circuit is multiple with triode Q1, Q2 composition
It closes circuit and filters out abnormal signal, last filtered output circuit is with inductance L1, L2 and polar capacitor C4, C6 composition π types filtering
Circuit filtering exports；
The relatively amplifying circuit includes resistance R1, a termination signal input port of resistance R1, the other end of resistance R1
One end of connecting resistance R2 and capacitance C1, the in-phase input end of another termination transport and placing device AR1 of resistance R2, the reverse phase of transport and placing device AR1
One end of termination capacitor C2 is inputted, the inverting input of another termination transport and placing device AR2 of capacitance C2, transport and placing device AR2's is same mutually defeated
Enter the other end of termination capacitor C1, one end of the output termination capacitor C3 and resistance R3 of transport and placing device AR1, another termination of capacitance C3
The output end of transport and placing device AR2.
Preferably, the switching circuit includes triode Q1, and the base stage of triode Q1 connects the output end of transport and placing device AR2, and three
The other end of collector connecting resistance R3 of pole pipe Q1 and the collector and capacitance C5 of one end of resistance R3, R6 and triode Q2
One end, the output end of another termination transport and placing device AR1 of resistance R3, the emitter of triode Q1 connect the base stage of triode Q2, resistance
The other end of R6 and another termination power+10V of capacitance C5.
Compared with prior art, the beneficial effects of the utility model are as follows：
1. comparing amplifying circuit receives in recognition of face monitoring management system signal in signal transmission passage, with amplifier
Device AR1, AR2 compare in amplified signal input switching circuit, and the switching circuit is with triode Q1, Q2 composition compound circuit filter
Except abnormal signal, last filtered output circuit is with inductance L1, L2 and polar capacitor C4, C6 composition π type filter circuits filtering
Output that is to say in input recognition of face monitoring management system in signal transmission passage, effectively stabilize recognition of face monitoring
Signal in management system and eliminate abnormal signal.
2. filtering out abnormal signal, the compound circuit of triode Q1, Q2 composition using triode Q1, Q2 composition compound circuit
For more single triode, the conducting voltage of triode is expanded, the effect of protection circuit is played, in order to effectively filter out in signal
Clutter, use inductance L1, L2 and polar capacitor C4, C6 composition π type filter circuits filtering output, there is prodigious exploitation valence
Value and practical value.
Description of the drawings
Fig. 1 is a kind of circuit module figure of recognition of face monitoring management system of the utility model.
Fig. 2 is a kind of circuit diagram of recognition of face monitoring management system of the utility model.
Specific implementation mode
Aforementioned and other technology contents, feature and effect in relation to the utility model, in following cooperation with reference to figures 1 through attached
Fig. 2 is in the detailed description of embodiment, can clearly present.The structure content being previously mentioned in following embodiment is to say
Bright book attached drawing is reference.
Embodiment one, a kind of recognition of face monitoring management system, including compare amplifying circuit, switching circuit and filtering output
Circuit, the relatively amplifying circuit receives in recognition of face monitoring management system signal in signal transmission passage, with transport and placing device
AR1, AR2 compare in amplified signal input switching circuit, and the switching circuit is filtered out with triode Q1, Q2 composition compound circuit
Abnormal signal, last filtered output circuit are defeated with inductance L1, L2 and polar capacitor C4, C6 composition π type filter circuits filtering
Go out, that is to say in input recognition of face monitoring management system in signal transmission passage；
Signal in signal transmission passage in the relatively amplifying circuit reception recognition of face monitoring management system, with resistance
Divide two-way to flow into transport and placing device AR1, AR2 after R1 current limlitings, flows into transport and placing device AR1 in-phase input ends after resistance R2 shuntings all the way
Interior, another way flows into after capacitance C1 filtering in transport and placing device AR2 in-phase input ends, and transport and placing device AR1, AR2 form window circuit ratio
Compared with amplified signal, the transmission rate of signal had not only been improved, but also has stabilized signal, a termination signal input port of resistance R1, electricity
Hinder a termination signal input port of R1, one end of another the terminating resistor R2 and capacitance C1 of resistance R1, the other end of resistance R2
Connect the in-phase input end of transport and placing device AR1, one end of the anti-phase input termination capacitance C2 of transport and placing device AR1, another termination of capacitance C2
The inverting input of transport and placing device AR2, the other end of the homophase input termination capacitance C1 of transport and placing device AR2, the output end of transport and placing device AR1
Connect one end of capacitance C3 and resistance R3, the output end of another termination transport and placing device AR2 of capacitance C3.
Embodiment two, on the basis of embodiment one, the switching circuit is using triode Q1, Q2 composition compound circuit filter
Except abnormal signal, for the more single triode of compound circuit of triode Q1, Q2 composition, the conducting voltage of triode is expanded,
The effect of protection circuit is played, when the signal after comparing amplifying circuit contains abnormal signal, triode Q1 is not turned on, while three
Pole pipe Q2 is also not turned on, and when the signal after comparing amplifying circuit is normal, triode Q1, Q2 conducting reaches and filters out abnormal signal
Effect, the base stage of triode Q1 connects the output end of transport and placing device AR2, the other end and electricity of the collector connecting resistance R3 of triode Q1
One end of R3, R6 and one end of the collector and capacitance C5 of triode Q2 are hindered, another termination transport and placing device AR1's of resistance R3 is defeated
Outlet, the emitter of triode Q1 connect the base stage of triode Q2, and the other end of resistance R6 and another termination power of capacitance C5+
10V。
Embodiment three, on the basis of embodiment two, the filtering output circuit has selected inductance L1, L2 and polar capacitor
C4, C6 form the filtering output of π type filter circuits, that is to say in input recognition of face monitoring management system in signal transmission passage,
The emitter of a termination triode Q2 of inductance L1 and one end of inductance L2 and the anode of polar capacitor C4, polar capacitor C4's
Cathode is grounded, another termination power+10V of resistance R6 and capacitance C5, the anode of another termination polar capacitor C6 of inductance L1, L2
And signal output port, the cathode ground connection of polar capacitor C6.
When the utility model is specifically used, a kind of recognition of face monitoring management system, including compare amplifying circuit, switch electricity
Road and filtering output circuit, the relatively amplifying circuit receive the interior letter of signal transmission passage in recognition of face monitoring management system
Number, compare in amplified signal input switching circuit with transport and placing device AR1, AR2, the switching circuit uses triode Q1, Q2 group
Abnormal signal is filtered out at compound circuit, last filtered output circuit forms π types with inductance L1, L2 and polar capacitor C4, C6
Filter circuit filtering output that is to say in input recognition of face monitoring management system in signal transmission passage；It is described relatively to amplify
Signal in signal transmission passage, fortune is flowed into two-way is divided after resistance R1 current limlitings in circuit reception recognition of face monitoring management system
It puts in device AR1, AR2, is flowed into transport and placing device AR1 in-phase input ends after resistance R2 shuntings all the way, another way is filtered through capacitance C1
It flows into transport and placing device AR2 in-phase input ends afterwards, transport and placing device AR1, AR2 composition window circuit compares amplified signal, both improves letter
Number transmission rate, and stabilize signal, the switching circuit filters out abnormal letter using triode Q1, Q2 composition compound circuit
Number, for the more single triode of compound circuit of triode Q1, Q2 composition, the conducting voltage of triode is expanded, protection is played
The effect of circuit, when the signal after comparing amplifying circuit contains abnormal signal, triode Q1 is not turned on, while triode Q2
It is not turned on, when the signal after comparing amplifying circuit is normal, triode Q1, Q2 conducting achievees the effect that filter out abnormal signal, institute
It states filtering output circuit and has selected inductance L1, L2 and polar capacitor C4, C6 composition π type filter circuits filtering output, that is to say defeated
Enter in recognition of face monitoring management system in signal transmission passage.
The above is to combine specific implementation mode further detailed description of the utility model, and it cannot be said that originally
Utility model specific implementation is limited only to this；For belonging to the utility model and for those skilled in the technology concerned,
Under the premise of technical solutions of the utility model thinking, made by expand and operating method, data replacement, should all fall
Within scope of protection of the utility model.
Claims (3)
1. a kind of recognition of face monitoring management system, including compare amplifying circuit, switching circuit and filtering output circuit, feature
It is, signal in signal transmission passage in the relatively amplifying circuit reception recognition of face monitoring management system, with transport and placing device
AR1, AR2 compare in amplified signal input switching circuit, and the switching circuit is filtered out with triode Q1, Q2 composition compound circuit
Abnormal signal, last filtered output circuit are defeated with inductance L1, L2 and polar capacitor C4, C6 composition π type filter circuits filtering
Go out；
The relatively amplifying circuit includes resistance R1, a termination signal input port of resistance R1, another termination electricity of resistance R1
Hinder one end of R2 and capacitance C1, the in-phase input end of another termination transport and placing device AR1 of resistance R2, the anti-phase input of transport and placing device AR1
One end of termination capacitor C2, the inverting input of another termination transport and placing device AR2 of capacitance C2, the in-phase input end of transport and placing device AR2
Connect the other end of capacitance C1, one end of the output termination capacitor C3 and resistance R3 of transport and placing device AR1, another termination amplifier of capacitance C3
The output end of device AR2.
2. a kind of recognition of face monitoring management system as described in claim 1, which is characterized in that the switching circuit includes three poles
Pipe Q1, the base stage of triode Q1 connect the output end of transport and placing device AR2, the other end and resistance of the collector connecting resistance R3 of triode Q1
One end of R3, R6 and one end of the collector and capacitance C5 of triode Q2, the output of another termination transport and placing device AR1 of resistance R3
End, the emitter of triode Q1 meet the base stage of triode Q2, the other end of resistance R6 and another termination power+10V of capacitance C5.
3. a kind of recognition of face monitoring management system as described in claim 1, which is characterized in that the filtering output circuit includes
The emitter of a termination triode Q2 of inductance L1, inductance L1 and one end of inductance L2 and the anode of polar capacitor C4, polarity
The cathode of capacitance C4 is grounded, another termination power+10V of resistance R6 and capacitance C5, another termination polar capacitor of inductance L1, L2
The anode and signal output port of C6, the cathode ground connection of polar capacitor C6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721812529.9U CN207801749U (en) | 2017-12-22 | 2017-12-22 | A kind of recognition of face monitoring management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721812529.9U CN207801749U (en) | 2017-12-22 | 2017-12-22 | A kind of recognition of face monitoring management system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207801749U true CN207801749U (en) | 2018-08-31 |
Family
ID=63282390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721812529.9U Expired - Fee Related CN207801749U (en) | 2017-12-22 | 2017-12-22 | A kind of recognition of face monitoring management system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207801749U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107834831A (en) * | 2017-12-22 | 2018-03-23 | 福州易趣网络科技有限公司 | A kind of recognition of face monitoring management system |
-
2017
- 2017-12-22 CN CN201721812529.9U patent/CN207801749U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107834831A (en) * | 2017-12-22 | 2018-03-23 | 福州易趣网络科技有限公司 | A kind of recognition of face monitoring management system |
| CN107834831B (en) * | 2017-12-22 | 2023-12-29 | 福州易趣网络科技有限公司 | Face recognition monitoring management system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180831 Termination date: 20181222 |
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| CF01 | Termination of patent right due to non-payment of annual fee |