CN111986356B - Voice big data recognition system - Google Patents
Voice big data recognition system Download PDFInfo
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- CN111986356B CN111986356B CN202010901091.1A CN202010901091A CN111986356B CN 111986356 B CN111986356 B CN 111986356B CN 202010901091 A CN202010901091 A CN 202010901091A CN 111986356 B CN111986356 B CN 111986356B
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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
- G07C9/00563—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
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L17/00—Speaker identification or verification
- G10L17/22—Interactive procedures; Man-machine interfaces
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Abstract
A voice big data recognition system comprises an intelligent door lock body based on a voice recognition AI technology; the circuit also comprises a first trigger circuit, a second trigger circuit and a reset circuit; the first trigger circuit, the second trigger circuit and the reset circuit are arranged in the door lock body; and the intelligent door lock body is electrically connected with the power output end of the storage battery positive and the voice recognition module relay. In the application of the intelligent door lock, when a user vocalizes for the first time, the voice recognition module can control the first trigger circuit to be powered on after correct recognition, and when the user vocalizes for the second time, the voice recognition module can control the second trigger circuit to be powered on after correct recognition, so that the electromagnetic lock core of the intelligent door lock body is opened. The invention only controls the electromagnetic lock core of the door lock to open after the input voiceprint information is judged accurately by the voice recognition module for more than two times within a certain time, thereby preventing the disadvantage that the voice recognition module can not achieve good safety effect by only recognizing and comparing the voiceprint information once to open the door lock.
Description
Technical Field
The invention relates to the technical field of voice recognition, in particular to a voice big data recognition system.
Background
With the development of science and technology, AI-based voice recognition control technology is increasingly applied to the field of intelligent control equipment, for example, voice recognition is used for controlling the on/off of production equipment, controlling the opening of a door lock, and the like. During its application of lock based on big data recognition control of pronunciation, discern user's vocal print information through speech unit, after the module judges that vocal print information and the vocal print information of saving in advance in the system coincide in the system, system control relay exports the electromagnetic lock core that a period of time power (general 3, 4 seconds) got into intelligent lock, and then the lock core is electrified work and is pulled open spring bolt, door and open. Although the existing voice recognition door lock brings the experience of unlocking the door without the lock for people, the existing voice recognition door lock is limited by the prior art, and the accurate control of unlocking the door lock cannot be effectively guaranteed. Specifically, when a data error occurs in a voiceprint recognition unit (voice recognition module) of the system, it is very likely that the user unlocks the lock or other people can unlock the door lock through voiceprint information, so that great potential safety hazards exist. Moreover, when the number of samples of the training model based on deep learning in the system is insufficient, the voiceprint recognition effect is unstable, and other people who do not input voiceprint information open the door lock, so that the safety of the door lock is greatly reduced. Based on the above, a voice big data recognition system based on the voice recognition AI technology is provided, which can reduce recognition error probability as much as possible and ensure the safety of the door lock.
Disclosure of Invention
In order to overcome the defect that the existing voice intelligent control door lock has no safety in the process of opening the lock cylinder of the door lock due to technical limitation, the invention provides a voice big data recognition system which is based on a voice recognition AI technology, can automatically recognize the voiceprint information of a user or other people in application, and only in a certain time, when the voiceprint information input by the user is accurately judged by a voice recognition module for more than two times, a control circuit can control the electromagnetic lock cylinder of an intelligent door lock body to open, so that the door lock is prevented from being opened by the voice recognition module only by recognizing and comparing the voiceprint information once, and a good safety effect cannot be achieved.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a voice big data recognition system comprises an intelligent door lock body based on a voice recognition AI technology; the circuit is characterized by also comprising a first trigger circuit, a second trigger circuit and a reset circuit; the first trigger circuit, the second trigger circuit and the reset circuit are arranged in the door lock body; the control power supply input end of the reset circuit is electrically connected with the positive electrode of the storage battery in the intelligent door lock body, the power supply output end of the reset circuit is electrically connected with the positive electrode power supply input ends of the first trigger circuit and the reset circuit, and the positive electrode power supply output end of the first trigger circuit is electrically connected with the positive electrode power supply input end of the second trigger circuit; the power supply output end of the voice recognition module relay of the intelligent door lock body is electrically connected with the signal input ends of the first trigger circuit and the second trigger circuit, and the positive power supply output end of the second trigger circuit is electrically connected with the positive power supply input end of the electromagnetic lock core of the intelligent door lock body; the negative electrode of the storage battery is electrically connected with the negative electrode power input ends of the first trigger circuit, the second trigger circuit, the reset circuit and the electromagnetic lock cylinder.
Furthermore, the power output end of the voice recognition module relay of the intelligent door lock body is connected with a resistor in series.
Furthermore, the first trigger circuit comprises a silicon controlled rectifier and a relay, wherein the silicon controlled rectifier and the relay are connected through a circuit board in a wiring mode, and a cathode of the silicon controlled rectifier is connected with a control power supply input end and a positive power supply input end of the relay.
Further, the second trigger circuit comprises a silicon controlled rectifier, a relay, a resistor, an electrolytic capacitor and an NPN triode, wherein the silicon controlled rectifier, the relay, the resistor, the electrolytic capacitor and the NPN triode are connected through a circuit board in a wiring mode, the anode of the silicon controlled rectifier is connected with the control power supply input end of the second relay and the normally open contact end of the first relay, the cathode of the silicon controlled rectifier is connected with the anode power supply input end of the second relay, the anode power supply input end of the first relay and the control power supply input end of the second relay are connected with one end of the first resistor, the other end of the first resistor is connected with one end of the second resistor and the anode of the electrolytic capacitor, the other end of the second resistor is connected with the base of the NPN triode, the collector of the NPN triode is connected with the cathode power supply input end of the first relay, and the cathode of the electrolytic capacitor is connected with the emitter of the NPN triode and the cathode power supply input end of the second relay.
Further, the reset circuit comprises a relay, a resistor, an electrolytic capacitor and an NPN triode which are connected through a circuit board in a wiring mode, one end of the first resistor is connected with one end of the second resistor and the anode of the electrolytic capacitor, the other end of the second resistor is connected with the base of the NPN triode, the collector of the NPN triode is connected with the negative power input end of the relay, the negative electrode of the electrolytic capacitor is connected with the emitting electrode of the NPN triode, and the control power input end of the relay is connected with the positive power input end of the relay.
The invention has the beneficial effects that: based on the voice recognition AI technology, in application, the voice recognition module can automatically recognize voiceprint information of a user or other people, when the user vocalizes for the first time, the voice recognition module can control the first trigger circuit to be powered on to work after correctly recognizing, a foundation is laid for the work of the second trigger circuit, when the user vocalizes for the second time, the voice recognition module can control the second trigger circuit to be powered on to work after correctly recognizing, and then the second trigger circuit controls the electromagnetic lock core of the intelligent door lock body to be opened, so that the user can open the door. The intelligent door lock can be expanded to use, and a plurality of sets of second trigger circuits are used, so that a user inputs voices more times, and the electromagnetic lock core of the intelligent door lock body is controlled to open and unlock the door only after the voice recognition module correctly recognizes. According to the invention, only in a certain time, when the voiceprint information input by the user is judged accurately by the voice recognition module for more than two times, the control circuit can control the electromagnetic lock core of the intelligent door lock body to be opened, so that the defect that the voice recognition module can not achieve a good safety effect because the door lock is opened only by recognizing and comparing the voiceprint information once is prevented. Based on the above, the invention has good application prospect.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a block diagram of the architecture of the present invention.
Fig. 2 is a circuit diagram of the present invention.
Detailed Description
As shown in fig. 1, a voice big data recognition system includes an intelligent door lock body based on a voice recognition AI technology, wherein a voice recognition module 1 of the intelligent door lock body disconnects a lead connecting a relay power supply output end and an electromagnetic lock core 2; the circuit also comprises a first trigger circuit 3, a second trigger circuit 4 and a reset circuit 5; the first trigger circuit 3, the second trigger circuit 4 and the reset circuit 5 are installed on a circuit board in the door lock body.
As shown in fig. 2, the first trigger circuit includes a thyristor VS1 and a relay K1 connected via circuit board wiring, and the thyristor VS1 has its cathode connected to the control power input and the positive power input of the relay K1. A voice recognition module A1 relay power supply output end 3 feet of the intelligent door lock body are connected in series with a resistor R5. The second trigger circuit comprises a silicon controlled rectifier VS2, relays K and K2, resistors R1 and R2, an electrolytic capacitor C1 and an NPN triode Q1, wherein the silicon controlled rectifier VS2 is connected with a control power supply input end of the second relay K2 and a normally open contact end of the first relay K, a cathode of the silicon controlled rectifier VS2 is connected with a positive power supply input end of the second relay K2, the positive power supply input end and the control power supply input end of the first relay K are connected with one end of a first resistor R1, the other end of the first resistor R1 is connected with one end of the second resistor R2 and a positive electrode of the electrolytic capacitor C1, the other end of the second resistor R2 is connected with a base electrode of the NPN triode Q1, a collector electrode of the NPN triode Q1 is connected with a negative power supply input end of the first relay K, a negative electrode of the electrolytic capacitor C1 is connected with an emitter electrode of the NPN triode Q1, and a negative power supply input end of the second relay 539K 1. The reset circuit comprises a relay K3, resistors R3 and R4, an electrolytic capacitor C2 and an NPN triode Q2, wherein the resistors R3 and R4 are connected through circuit board wiring, one end of a first resistor R3 is connected with one end of a second resistor R4 and the anode of the electrolytic capacitor C2, the other end of the second resistor R4 is connected with the base of the NPN triode Q2, the collector of the NPN triode Q2 is connected with the negative power input end of the relay K3, the negative electrode of the electrolytic capacitor C2 is connected with the emitter of the NPN triode Q2, and the control power input end of the relay K3 is connected with the positive power input end.
As shown in fig. 1 and 2, the relay K3 of the reset circuit controls the power supply input end to be connected with the positive electrode of the storage battery G in the intelligent door lock body through a lead. The power output end relay K3 normally closed contact end of the reset circuit is connected with the anode of the silicon controlled rectifier VS1 of the positive power input end of the first trigger circuit through a lead. The normally open contact end of a positive power supply output end relay K1 of the first trigger circuit is connected with the positive power supply input end of a positive power supply input end relay K of the second trigger circuit and the other end of a positive power supply input end resistor R3 of the reset circuit through leads; the power output end of a voice recognition module A1 relay of the intelligent door lock body is connected with the control electrode of the silicon controlled rectifier VS1 at the signal input end of the first trigger circuit and the control electrode of the silicon controlled rectifier VS2 at the signal input end of the second trigger circuit through a resistor R5. And the positive power output end relay K2 normally open contact end of the second trigger circuit is connected with the positive power input end of the electromagnetic lock core DC through a lead. The negative electrode of the storage battery G is connected with the negative electrode power input end of the first trigger circuit negative electrode power input end relay K1, the negative electrode power input end of the second trigger circuit negative electrode power input end NPN triode Q1 emitting electrode, the negative electrode power input end NPN triode Q2 emitting electrode of the reset circuit, and the negative electrode power input end of the electromagnetic lock core DC through leads.
In the invention, as shown in fig. 1 and 2, the positive pole of a power supply (6V) output by a storage battery G in the intelligent door lock body enters the positive pole of a silicon controlled rectifier VS1 of a first trigger circuit through a relay K3 control power supply input end and a normally closed contact end, so that the first trigger circuit is in a power-on working state. In practical situation, when the user needs to open the door and make a sound, the voice recognition module A1 in the intelligent door lock body can automatically recognize the voiceprint information of the user or others, when a user utters for the first time, the voice recognition module a1 recognizes correctly, that is, after voiceprint information uttered by the user or family is correct (voiceprint information of the user and family is pre-stored in the voice recognition module a1 in the intelligent door lock body), the relay power output end of the voice recognition module a1 drops voltage and current through the resistor R5, outputs high level (generally 3 and 4 seconds) to the control electrodes of the thyristors VS1 and VS2 (the control electrode of the thyristor VS1 cannot be powered due to incorrect voiceprint information), and then, the controlled silicon VS1 is triggered to be conducted, and then the relay K1 is electrified to pull in the control power supply input end and the normally open contact end to be closed. Because the normally open contact end of the relay K1 (the control power supply input end is communicated with the cathode of the controllable silicon VS1 at the moment and obtains high level) is connected with the positive power supply input end of the second trigger circuit and the reset circuit, the second trigger circuit and the reset circuit can be electrified to work at the moment. After the second trigger circuit is electrified to work, the anode of a power supply input from the normally open contact end of the relay K1 is subjected to voltage reduction and current limitation through the resistor R1 to charge the electrolytic capacitor C1, within the first 4 seconds, when the electrolytic capacitor C1 is not fully charged, the anode of the power supply is subjected to voltage reduction and current limitation through the resistors R1 and R2, the base voltage of the power supply entering the NPN triode Q1 is lower than 0.7V, the NPN triode Q1 is in a cut-off state, the relay K cannot be electrified to attract, and the anode of the subsequent silicon controlled rectifier VS2 and the electromagnetic lock cylinder DC cannot be electrified to work; at the moment, even if the user makes a sound again, the power output by the power output end of the relay of the voice recognition module A1 is stepped down by the resistor R5 to limit the current and trigger the control electrode of the silicon controlled rectifier VS2, and because the anode of the silicon controlled rectifier VS2 is not electrified, the silicon controlled rectifier VS2 cannot be triggered and conducted at the moment, the relay K2 is not electrified, and the electromagnetic lock core DC cannot be opened. After the second trigger circuit works by electrifying, the anode of a power supply input by the normally open contact end of the relay K1 is subjected to voltage reduction and current limitation by the resistor R1 to charge the electrolytic capacitor C1, after 4 seconds, when the electrolytic capacitor C1 is fully charged, the anode of the power supply is subjected to voltage reduction and current limitation by the resistors R1 and R2 and then enters the base voltage of the NPN triode Q1 to be higher than 0.7V, the collector of the NPN triode Q1 is in a conducting state to output low level to enter the power input end of the cathode of the relay K, and the relay K is electrified to attract the control power input end and the normally open contact end of the relay K to be closed; because the anode of the thyristor VS2 is connected with the normally open contact end of the relay K, the anode of the thyristor VS2 is electrified at the moment.
As shown in fig. 1 and 2, when the anode of the thyristor VS2 is powered on, the user makes a sound again, after the voice recognition module a1 recognizes correctly, the relay power output terminal of the voice recognition module a1 outputs a high level through the resistor R5, and enters the control electrodes of the thyristors VS1 and VS2 again, so that the thyristor VS2 (the thyristor VS1 keeps a conducting state) is triggered to conduct, and the relay K2 is powered on to attract the control power input terminal and the normally open contact terminal of the control power input terminal to be closed. Because the normally open contact end (the control power supply input end is communicated with the anode of the controllable silicon VS2 at the moment) of the relay K2 is connected with the positive power supply input end of the electromagnetic lock cylinder DC, the electromagnetic lock cylinder DC can be electrically operated at the moment. After the electromagnetic lock cylinder DC is electrified to work, the lock tongue can be pulled open, and then the door is opened.
As shown in fig. 1 and 2, when the first trigger circuit relay K1 is powered on to pull in and close the control power input end and the normally open contact end, and the reset circuit is powered on to work, the positive electrode of the power input by the normally open contact end of the relay K1 is subjected to voltage reduction and current limitation by the resistor R3 to charge the electrolytic capacitor C2, and within 9 seconds from the beginning, when the electrolytic capacitor C2 is not fully charged, the positive electrode of the power is subjected to voltage reduction and current limitation by the resistors R3 and R4 to enter the base voltage of the NPN triode Q2 to be lower than 0.7V, the NPN triode Q2 is in a cut-off state, so that the relay K3 is not powered on to pull in and control the power input end and the normally closed contact end to be continuously connected, and the electromagnetic lock core DC is continuously kept in a powered state. After about 9 seconds, when the electrolytic capacitor C2 is fully charged, the voltage of the base electrode of the power supply anode is reduced and limited by the resistors R3 and R4, the voltage of the base electrode of the NPN triode Q2 is higher than 0.7V, the NPN triode Q2 is in a conducting state, the collector electrode outputs low level and enters the negative power supply input end of the relay K3, and then the relay K3 is electrified to pull in the control power supply input end and the normally closed contact end to be open; because the positive electrode of the power supply output by the storage battery G in the intelligent door lock body enters the positive electrode of the silicon controlled rectifier VS1 of the first trigger circuit through the relay K3 control power supply input end and the normally closed contact end, the first trigger circuit loses power at the moment, and then the subsequent second trigger circuit, the electromagnetic lock core and the reset circuit lose power due to the fact that the positive electrode of the silicon controlled rectifier VS1 of the first trigger circuit loses power. The relay K3 can be attracted for a period of time due to the fact that the power supply charged on the electrolytic capacitor C2 is kept to be attracted for a period of time (the NPN triode Q2 is kept to be conducted for a period of time), when the voltage charged on the electrolytic capacitor C2 is released (about 1 second), the relay K3 loses power and controls the power supply input end and the normally closed contact end to be closed, further, the first trigger circuit is electrified to work, and a foundation is laid for the electrification work of the second trigger circuit, the reset circuit and the electromagnetic lock cylinder DC. Through the circuit effect, the user can be in sound for the first time, after sound is sent once more about 4 seconds at interval, electromagnetic lock core DC gets electric and then the spring bolt is opened, the user can get into indoorly, 10 seconds later, whole circuits return to initial condition, the user normally closes the door and do preparation for next sound control opens the door (because whole circuits return to initial condition, so must input behind the correct voiceprint information twice, the electromagnetic lock core just can be opened, also can prevent that other illegal personnel from exporting the first time that voiceprint silicon controlled rectifier VS1 switches on the back, illegal personnel continue to export sound information unlimited time and open electromagnetic lock core DC). In practical application, when a voiceprint recognition unit (a voice recognition module) of the intelligent door lock system has data errors for a certain time, or the number of samples of a training model based on deep learning in the system is insufficient, the voiceprint recognition effect is unstable, if other people pass voiceprint information for the first time to enable the second trigger circuit to be powered on, but because a person who needs to make a sound makes a second sound and the second sound is recognized correctly by the voice recognition module, the electromagnetic lock cylinder DC can be opened, so that the method has two safety measures (the probability of data errors occurring continuously for two times and the probability of voiceprint recognition instability are relatively small), and the probability of illegal opening of the intelligent voice door lock is reduced.
As shown in fig. 1 and 2, in the present invention, a plurality of second trigger circuits may be further adopted, wherein in the plurality of second trigger circuits, a power input end of a first path of the second trigger circuit is connected to an anode power output end (relay K1 normally open contact end) of the first trigger circuit, between each two paths of the second trigger circuits, a relay K2 normally open contact end of the previous path of the second trigger circuit is connected to an anode power input end of a next path of the second trigger circuit, and a power output end relay K2 normally open contact end of the last path of the second trigger circuit is connected to an anode power supply of the electromagnetic lock core DC, so that each path of the second trigger circuits is equivalent to one path of the safety function. If the five second trigger circuits are adopted, a user has to output sound for six times within a certain time and can open the electromagnetic lock cylinder DC after correct identification by the voiceprint identification unit, so that the safety of the door lock is greatly improved (if the second trigger circuits are additionally arranged, the capacity of the electrolytic capacitor C2 of the reset circuit is correspondingly required to be increased, and after the relay K1 of the first trigger circuit is ensured to be electrified, the charging and attracting time of the reset circuit and the relay K3 are more than the time of opening the electromagnetic lock cylinder DC under the continuous action of the multiple second trigger circuits). It should be noted that, the second trigger circuit is added, although the door opening time is delayed by several seconds, the door opening time is delayed by a very small number of seconds due to the good safety effect, so that the normal use of the intelligent door lock is not affected, the inconvenience is not brought to the user, and the intelligent door lock has a good application prospect. The intelligent door lock is produced specifically, the number of the second trigger circuits can be adjusted according to the customer acceptance of an actual product (the more the number of the second trigger circuits is, the longer the time for the electromagnetic lock cylinder to drive the lock tongue to open is), and the intelligent door lock with the second trigger circuits with relatively more paths can be selected by a terminal user who needs to have better confidentiality and does not give much attention to the door opening time; on the contrary, the terminal user who needs to open the door in a relatively short time can select the intelligent door lock with relatively less second trigger circuit paths, and the individual requirements of different crowds are fully met. Relays K1, K2, K3 are mini relays of model DC 6V; the resistances of the resistors R2 and R4 (voltage reduction and current limiting) are 470K; the resistances of the resistors R1, R3 and R5 are respectively 1.8M (which can be replaced by adjustable resistors), 1.7M which can be replaced by adjustable resistors and 1K; the model of the controllable silicon VS1 and VS2 is MCR 100-1; the electrolytic capacitors C1 and C2 are respectively 2 muF/25V and 4.7 muF/25V.
While there have been shown and described what are at present considered to be the essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (1)
1. A voice big data recognition system comprises an intelligent door lock body based on a voice recognition AI technology; the circuit is characterized by also comprising a first trigger circuit, a second trigger circuit and a reset circuit; the first trigger circuit, the second trigger circuit and the reset circuit are arranged in the door lock body; the control power supply input end of the reset circuit is electrically connected with the positive electrode of the storage battery in the intelligent door lock body, the power supply output end of the reset circuit is electrically connected with the positive electrode power supply input ends of the first trigger circuit and the reset circuit, and the positive electrode power supply output end of the first trigger circuit is electrically connected with the positive electrode power supply input end of the second trigger circuit; the power supply output end of the voice recognition module relay of the intelligent door lock body is electrically connected with the signal input ends of the first trigger circuit and the second trigger circuit, and the positive power supply output end of the second trigger circuit is electrically connected with the positive power supply input end of the electromagnetic lock core of the intelligent door lock body; the negative electrode of the storage battery is electrically connected with the negative electrode power supply input ends of the first trigger circuit, the second trigger circuit, the reset circuit and the electromagnetic lock cylinder; the power output end of a relay of a voice recognition module of the intelligent door lock body is connected with a resistor in series; the first trigger circuit comprises a silicon controlled rectifier and a relay, the silicon controlled rectifier and the relay are connected through a circuit board in a wiring mode, and the cathode of the silicon controlled rectifier is connected with the input end of a relay control power supply and the input end of a positive power supply; the second trigger circuit comprises a silicon controlled rectifier, a relay, a resistor, an electrolytic capacitor and an NPN triode which are connected through a circuit board in a wiring way, the anode of the silicon controlled rectifier is connected with the control power supply input end of the second relay and the normally open contact end of the first relay, the cathode of the silicon controlled rectifier is connected with the positive power supply input end of the second relay, the positive power supply input end and the control power supply input end of the first relay are connected with one end of the first resistor, the other end of the first resistor is connected with one end of the second resistor and the anode of the electrolytic capacitor, the other end of the second resistor is connected with the base of the NPN triode, the collector of the NPN triode is connected with the negative power supply input end of the first relay, and the negative electrode of the electrolytic capacitor is connected with the emitter of the NPN triode and the negative power supply input end of the second relay; the reset circuit comprises a relay, a resistor, an electrolytic capacitor and an NPN triode which are connected through a circuit board in a wiring mode, one end of the first resistor is connected with one end of the second resistor and the anode of the electrolytic capacitor, the other end of the second resistor is connected with the base of the NPN triode, the collector of the NPN triode is connected with the negative power supply input end of the relay, the negative electrode of the electrolytic capacitor is connected with the emitting electrode of the NPN triode, and the control power supply input end of the relay is connected with the positive power supply input end.
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| CN108091016A (en) * | 2017-12-21 | 2018-05-29 | 广东汇泰龙科技有限公司 | The smart lock that a kind of vocal print method for unlocking and application this method are opened |
| CN211319296U (en) * | 2019-01-23 | 2020-08-21 | 李正杰 | Novel intelligent door lock |
| CN111275858A (en) * | 2020-01-22 | 2020-06-12 | 广东快车科技股份有限公司 | Credit granting method and system for voiceprint recognition |
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