CN216817464U - Intelligent door lock control system with active anti-electromagnetic interference capability - Google Patents
Intelligent door lock control system with active anti-electromagnetic interference capability Download PDFInfo
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- CN216817464U CN216817464U CN202123132947.2U CN202123132947U CN216817464U CN 216817464 U CN216817464 U CN 216817464U CN 202123132947 U CN202123132947 U CN 202123132947U CN 216817464 U CN216817464 U CN 216817464U
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- 239000003990 capacitor Substances 0.000 claims description 11
- 230000000903 blocking effect Effects 0.000 claims description 7
- 238000013523 data management Methods 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 3
- 230000036039 immunity Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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Abstract
The utility model discloses an intelligent door lock control system with active electromagnetic interference resistance, and relates to the technical field of intelligent door locks. The control system comprises an MCU operation control module, a radio frequency identification module, a face identification module, a voice module, a motor driving module, a power supply and standby power supply module, a pick-proof early warning module and a communication module, wherein the MCU operation control module is used for controlling other modules, and the radio frequency identification module is used for controlling the on-off state of the intelligent door lock by swiping a card. According to the utility model, through the cooperation of the MCU operation control module, the radio frequency identification module, the face identification module, the voice module, the anti-interference circuit, the motor driving module, the power supply and standby power supply module, the anti-prying early warning module and the communication module, the control system can have active anti-electromagnetic interference capability when in use, and can intercept error instructions sent by the MCU operation control module through the anti-interference circuit, so that the misoperation of a door lock is avoided.
Description
Technical Field
The utility model belongs to the technical field of intelligent door locks, and particularly relates to an intelligent door lock control system with active electromagnetic interference resistance.
Background
The intellectualization of the door lock and the popularization of the intelligent door lock become necessary ways and necessary terminal equipment for intelligent security and intelligent home and community management in the current society, compared with the mechanical lock which is popularized in the prior art, the intelligent lock is more convenient to operate and has more scientific and technological sense in management, firstly, the intelligent lock can enable people to be out of doors without keys, and the door opening and locking operations can be realized by swiping cards, fingerprint identification, face identification and even remote network control;
the utility model provides an intelligent door lock control system with active anti-electromagnetic interference capability, which is a signal and a carrier thereof capable of carrying out wireless communication anytime and anywhere, wherein the electromagnetic waves can generate electromagnetic interference on electronic equipment in the space while realizing the communication function of the electromagnetic waves, and in addition, in some emergency situations, stronger electromagnetic interference signals can exist in the space, so that stronger electromagnetic interference can be generated on the electronic equipment nearby to a certain extent, the electronic equipment can send out wrong instructions and carry out misoperation, and in severe situations, hardware circuits in part of the electronic equipment can be damaged.
SUMMERY OF THE UTILITY MODEL
The present invention provides an intelligent door lock control system with active anti-electromagnetic interference capability to solve the above problems in the prior art.
In order to solve the technical problems, the utility model is realized by the following technical scheme: an intelligent door lock control system with active anti-electromagnetic interference capability comprises an MCU operation control module, a radio frequency identification module, a face identification module, a voice module and a motor driving module;
the MCU operation control module is used for controlling other modules;
the radio frequency identification module is used for controlling the card swiping of the intelligent door lock on-off state;
the face recognition module can capture and recognize face information in front of the door and store or upload the face information under the instruction control of the MCU;
the voice module is used for prompting an unlocking state and a greeting function;
the motor driving module is used for driving the state of a motor inside the intelligent lock when the intelligent door lock is opened or closed.
Furthermore, the control system also comprises a power supply and standby power supply module, a prying-resistant early warning module and a communication module;
the power supply and standby power supply module consists of a power supply module and a standby power supply module, the power supply module is used for continuously supplying power to the intelligent door lock under the condition of sufficient battery power, and the standby power supply module ensures that the door lock can be opened or closed under the condition of correct operation flow under the condition of insufficient battery power;
the anti-prying early warning module can send out alarm sound under the condition that the intelligent door lock is pried or damaged, and sends early warning information to an administrator of the intelligent door lock for decision making;
the communication module can enable the intelligent lock to communicate with some specified data management platforms, and information uploading and instruction issuing of the intelligent door lock are achieved, so that the intelligent door lock can be remotely controlled.
Furthermore, an anti-interference circuit is further arranged between the MCU operation control module and the motor driving module and used for avoiding interference or damage to intelligent lock hardware possibly caused by sudden external space strong radiation.
Further, the anti-interference circuit comprises a blocking capacitor C1, a current-limiting resistor R1, a diode D1, a rectifying circuit, a current-limiting resistor R3, a voltage-reducing resistor R4 and a voltage-boosting resistor R5.
Further, the rectification circuit is composed of a diode D2 and a capacitor C2.
Further, the anti-jamming circuit further comprises a transistor Q1 and a fixed voltage.
Further, the fixed voltage is 3.3V.
The utility model has the following beneficial effects:
according to the utility model, through the cooperation of the MCU operation control module, the radio frequency identification module, the face identification module, the voice module, the anti-interference circuit, the motor driving module, the power supply and standby power supply module, the anti-prying early warning module and the communication module, the control system can have active anti-electromagnetic interference capability when in use, and can intercept error instructions sent by the MCU operation control module through the anti-interference circuit, so that the misoperation of the door lock is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a prior art control chain of the present application;
FIG. 2 is a schematic diagram of a control module according to the present invention;
FIG. 3 is a schematic diagram of a control chain of the active EMI suppression circuit according to the present invention;
FIG. 4 is a schematic diagram of an anti-EMI circuit according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Please refer to fig. 1, which is a schematic diagram of a motor control chain of a conventional intelligent door lock, wherein a motor driving module controls the motor driving module, the motor driving module is directly connected to an MCU operation control module, when there is no external electromagnetic field interference, a correct door lock operation instruction sent by the MCU directly reaches the motor driving module, when there is external electromagnetic interference, the MCU sends an error instruction, the door lock is opened incorrectly when the door lock should be closed, or the door lock is closed incorrectly when the door lock should be opened, or the MCU is damaged under the external magnetic field interference, so that a single high level or low level appears at a connection point between the MCU and the motor driving module, at this time, the motor driving module is also likely to be operated incorrectly, thereby causing the door lock motor to be driven incorrectly.
Referring to fig. 2-4, the present invention is an intelligent door lock control system with active electromagnetic interference resistance.
The control system comprises but is not limited to all or part of an MCU operation control module, a radio frequency identification module, a face identification module, a voice module, a motor driving module, a power supply and standby power supply module, a prying prevention early warning module and a communication module;
the MCU operation control module is used for controlling other modules;
the radio frequency identification module is used for controlling the card swiping of the intelligent door lock on-off state;
the face recognition module can capture and recognize face information in front of the door and store or upload the face information under the instruction control of the MCU;
the voice module is used for prompting the unlocking state and the greeting function;
the motor driving module is used for driving the state of a motor in the intelligent lock when the intelligent door lock is opened or closed;
the power supply and standby power supply module consists of a power supply module and a standby power supply module, the power supply module is used for continuously supplying power to the intelligent door lock under the condition of sufficient battery power, and the standby power supply module ensures that the door lock can be opened or closed under the condition of correct operation flow under the condition of insufficient battery power;
the anti-prying early warning module can send out an alarm sound when the intelligent door lock is pried or damaged, and sends early warning information to an administrator of the intelligent door lock for decision making;
the communication module can enable the intelligent lock to communicate with some specified data management platforms, so that information uploading and instruction issuing of the intelligent door lock are realized, and the intelligent door lock is used for remote control of the intelligent door lock.
As can be seen from fig. 3, an anti-interference circuit is further disposed between the MCU operation control module and the motor driving module, and is used to avoid the interference or damage to the hardware of the intelligent lock caused by the strong radiation of the sudden external space, so as to avoid the misoperation of the intelligent lock caused by the erroneous command sent by the single chip microcomputer in the MCU operation control module under the interference condition;
further, the anti-interference circuit includes, but is not limited to, a blocking capacitor C1, or other devices with capacitive function, a current limiting resistor R1, a diode D1 with clamping function, a rectifying circuit formed by a diode D2 and a capacitor C2, a current limiting resistor R3, a voltage dropping resistor R4 and a voltage boosting resistor R5, and in addition, the circuit further includes a transistor Q1 and a fixed voltage of 3.3V;
when the control system is used, when no external electromagnetic interference exists or the external electromagnetic interference is small, the MCU inputs a continuous square wave to the signal input end, the square wave belongs to an alternating current signal, so that the alternating current signal level can be raised to be more than 0V through the clamping of the blocking capacitor C1 through the diode D1, the square wave is further converted into a direct current signal through the rectifying circuit formed by the diode D2 and the capacitor C2, the triode Q1 is driven to act, and finally, correct command voltage is output at the signal output end;
when external electromagnetic interference inputs high level or low level at the input end of the circuit, other parts of the circuit including the triode Q1 cannot act due to the blocking effect of the capacitor C1, so that the anti-interference effect is achieved;
when external strong electromagnetic interference makes MCU damage, the high level or the low level of MCU misoutput can be blockked by blocking capacitor C1 equally, thereby play anti-jamming effect, and when MCU normally worked (to intelligent lock, it is unblanked or close the lock operation to go on), MCU inputs a continuous square wave to signal input end, the square wave belongs to alternating current signal, consequently can pass through blocking capacitor C1, through diode D1 clamper, raise the alternating current signal level to more than 0V, pass through the rectifier circuit that diode D2 and electric capacity C2 constitute, further convert the square wave into direct current signal, thereby drive triode Q1 action, finally, export correct command voltage at signal output end.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The utility model provides an intelligence lock control system with initiative anti electromagnetic interference ability which characterized in that: the control system comprises an MCU operation control module, a radio frequency identification module, a face identification module, a voice module and a motor driving module;
the MCU operation control module is used for controlling other modules;
the radio frequency identification module is used for controlling the card swiping of the intelligent door lock on-off state;
the face recognition module is used for capturing and recognizing face information in front of the door and storing or uploading the face information under the instruction control of the MCU;
the voice module is used for prompting an unlocking state and a greeting function;
the motor driving module is used for driving the state of a motor inside the intelligent lock when the intelligent door lock is opened or closed.
2. The intelligent door lock control system with active electromagnetic interference resistance capability of claim 1, wherein: the control system also comprises a power supply and standby power supply module, a prying-resistant early warning module and a communication module;
the power supply and standby power supply module consists of a power supply module and a standby power supply module, the power supply module is used for continuously supplying power to the intelligent door lock under the condition that the electric quantity of the battery is sufficient, and the standby power supply module ensures that the door lock can be opened or closed under the condition of a correct operation flow under the condition that the electric quantity of the battery is insufficient;
the anti-prying early warning module is used for sending out an alarm sound when the intelligent door lock is pried or damaged, and sending early warning information to an administrator of the intelligent door lock for decision making;
the communication module is used for enabling the intelligent lock to communicate with the data management platform, and information uploading and instruction issuing of the intelligent door lock are achieved, so that the intelligent door lock can be remotely controlled.
3. The intelligent door lock control system with active electromagnetic interference resistance capability of claim 1, wherein: and an anti-interference circuit is also arranged between the MCU operation control module and the motor driving module and is used for avoiding the interference or damage to the intelligent lock hardware caused by the strong radiation of the sudden external space.
4. The intelligent door lock control system with active electromagnetic interference resistance capability of claim 3, wherein: the anti-interference circuit comprises a blocking capacitor C1, a current-limiting resistor R1, a diode D1, a rectifying circuit, a current-limiting resistor R3, a voltage-reducing resistor R4 and a voltage-boosting resistor R5.
5. The intelligent door lock control system with active anti-electromagnetic interference capability of claim 4, wherein: the rectifying circuit is composed of a diode D2 and a capacitor C2.
6. The intelligent door lock control system with active anti-electromagnetic interference capability of claim 4, wherein: the immunity circuit also includes a transistor Q1 and a fixed voltage.
7. The intelligent door lock control system with active electromagnetic interference resistance capability of claim 6, wherein: the fixed voltage is 3.3V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123132947.2U CN216817464U (en) | 2021-12-14 | 2021-12-14 | Intelligent door lock control system with active anti-electromagnetic interference capability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123132947.2U CN216817464U (en) | 2021-12-14 | 2021-12-14 | Intelligent door lock control system with active anti-electromagnetic interference capability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216817464U true CN216817464U (en) | 2022-06-24 |
Family
ID=82055160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123132947.2U Expired - Fee Related CN216817464U (en) | 2021-12-14 | 2021-12-14 | Intelligent door lock control system with active anti-electromagnetic interference capability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216817464U (en) |
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2021
- 2021-12-14 CN CN202123132947.2U patent/CN216817464U/en not_active Expired - Fee Related
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Granted publication date: 20220624 |
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| CF01 | Termination of patent right due to non-payment of annual fee |