CN212933594U - Safe intelligent lock suitable for multimode is opened - Google Patents
Safe intelligent lock suitable for multimode is opened Download PDFInfo
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- CN212933594U CN212933594U CN202020831285.4U CN202020831285U CN212933594U CN 212933594 U CN212933594 U CN 212933594U CN 202020831285 U CN202020831285 U CN 202020831285U CN 212933594 U CN212933594 U CN 212933594U
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Abstract
The utility model belongs to the technical field of intelligent locks, in particular to a safe intelligent lock suitable for multi-mode opening, which comprises a lock catch, a lock core and a lock tongue driving module for driving the lock core to open and close; the system is characterized by further comprising a master control OpenMV3 machine vision module, wherein the OpenMV3 machine vision module receives data information sent by a user object through a camera module, an NFC recognition module and a coded lock module, and judges whether the user is a safety person through internal analysis, so that the OpenMV3 machine vision module controls a motor in a bolt driving module, and further controls the opening and closing states of a lock cylinder. The utility model discloses can adopt quantity and the order according to the difference of multiple modes such as password discernment, face identification, NFC discernment to make up and realize intelligence and unblank to satisfy different customers to the demand of different security levels, guarantee its security and stability when improving the convenience of unblanking.
Description
Technical Field
The utility model belongs to the technical field of the intelligence lock, concretely relates to safe intelligent lock suitable for multimode is opened.
Background
The existing drawer lock and door cabinet lock generally adopt simple mechanical devices, and are mainly unlocked by a key, and the key needs to be carried about, but the key has the characteristics of low convenience, easy loss, low unlocking efficiency and the like, and is inconvenient to use. People often hang keys on locks or do not secure locks at all because of the efficiency of key locks, which in turn potentially increases security issues.
In order to overcome the defects, the traditional mechanical lock unlocked by a key is gradually eliminated by the intelligent lock with the IC card identification, the IC card unlocking efficiency is high, but the defects are that the IC card is easy to lose for individuals, the re-matching is complex after the IC card is lost, and the safety is low.
Most of common intelligent locks in the market are mainly fingerprint locks, are mainly used in places such as household burglary prevention and the like, and are applied to drawers and cabinets, so that the cost is high. To put it back, the mainstream fingerprint identification elements include semiconductor and optical components, and different elements are installed for different people, which undoubtedly increases the expense. Because there are two advantages and disadvantages: semiconductors are more recognizable but are prone to wear and may need replacement for several years. Optical robustness, but low recognition and speed compared to semiconductors. The fingerprints of the old and the children are not clear, optical identification is possibly influenced, and semiconductor fingerprints are often used for identification.
In view of this, the inventor provides a safe intelligent lock suitable for multimode is opened, under the prerequisite of the security that guarantees the intelligent lock, promotes the convenience of unblanking greatly, simplifies the process of unblanking to can generally be applicable under all kinds of circumstances, open rapidly and put into operation.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned problem that exists among the prior art, the utility model provides a safe intelligent lock suitable for multimode is opened, this intelligent lock is guaranteeing under safe and stable prerequisite, adds multiple mode comprehensive application such as face identification, password discernment, NFC discernment, promotes the convenience of unblanking greatly, simplifies the process of unblanking.
The to-be-solved technical problem of the utility model is realized through following technical scheme: the coded lock comprises a coded lock panel, an electromagnetic lock body and a lock catch;
the electromagnetic lock comprises an electromagnetic lock body structure and an electromagnetic lock shell, wherein an electromagnetic coil and a wireless receiving and current control integration module are installed in the electromagnetic lock shell, the electromagnetic coil is connected with the lock tongue and used for controlling the lock tongue to be opened and closed, the wireless receiving and current control integration module is used for switching the current supply of the electromagnetic coil, and a power supply module is also installed in the electromagnetic lock shell and provides power for the electromagnetic coil and the wireless receiving and current control integration module;
the coded lock panel is provided with a master control OpenMV3 machine vision module and a wireless transmitting module, the master control OpenMV3 machine vision module takes an STM32 chip as a core and integrates a camera module, the camera module collects data images of a user through a camera and feeds the data images back to the OpenMV3 machine vision module, the OpenMV3 machine vision module identifies a human face from the obtained data images and judges whether the human face is matched with the human face in a database, if the human face is matched with the human face, the wireless transmitting module is controlled by the OpenMV3 machine vision module to send an unlocking signal to a wireless receiving and current control integration module in the electromagnetic lock body, and then the wireless receiving and current control integration module starts a current switch to enable an electromagnetic coil to attract a lock tongue so as to open the intelligent lock; if the wireless signals do not coincide with the preset wireless signals, the wireless signals are not sent;
the intelligent lock also comprises a coded lock module, wherein the coded lock module consists of a matrix keyboard with numbers, an internal algorithm of the coded lock module is directly burned in an OpenMV3 machine vision module chip, when a user inputs a correct password on the matrix keyboard, the OpenMV3 machine vision module controls a wireless transmitting module to send an unlocking signal to a wireless receiving and current control integration module in an electromagnetic lock body, and then the wireless receiving and current control integration module starts a current switch to enable an electromagnetic coil to attract a lock tongue so as to open the intelligent lock; if not, no wireless signal is sent;
the coded lock panel is provided with a battery, and the battery is electrically connected with the OpenMV3 machine vision module.
The NFC identification module is arranged on the coded lock panel and positioned on the right side of the coded lock module matrix keyboard, the NFC identification module uses an RC532 RFID radio frequency identification module, when a user mobile phone is close to the NFC identification module, the NFC identification module acquires NFC information of the user mobile phone and feeds the NFC information back to the OpenMV3 machine vision module, if the NFC information of the user mobile phone is matched with information stored in the OpenMV3 machine vision module database, the OpenMV3 machine vision module controls the wireless transmitting module to transmit an unlocking signal to the wireless receiving and current control integration module in the electromagnetic lock main body, and then the wireless receiving and current control integration module starts a current switch to enable the electromagnetic coil to attract the lock tongue so as to open the intelligent lock; if the wireless signals do not match, the wireless signals are not sent.
Further, the OpenMV3 machine vision module is further provided with an RGB indicator light, and the RGB indicator light is used for displaying the state of unlocking the smart lock;
if the OpenMV3 machine vision module identifies correctly, the RGB indicator light is turned on green for three seconds and is unlocked simultaneously, and if the OpenMV3 machine vision module identifies unsuccessfully, the RGB indicator light is quickly flashed red for three times to indicate that the unlocking is failed;
when the unlocking mode is switched, the RGB indicating lamp will flash blue twice quickly.
Further, the OpenMV3 machine vision module is also provided with an SD card slot for storing programs and SD cards needed for saving data images.
Further, the OpenMV3 machine vision module is further provided with a USB interface, and the USB interface is used for connecting an integrated development environment on a computer and assisting the OpenMV3 machine vision module in completing programming, debugging and firmware updating.
Further, still be provided with the OLED display screen on the trick lock panel, the OLED display screen is connected with OpenMV3 machine vision module, the OLED display screen is used for showing the state of unblanking.
Furthermore, the wireless transmitting module adopts a far-T1 transmitting module matched with a 5mm long TT02 antenna, and the transmitting power is 15 dBm.
Furthermore, the camera module adopts an OV7725 camera, and the image parameters are 640 × 480, 60fps and pixels 1.4 μm × 1.4 μm.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model relates to a safe intelligence lock suitable for multimode is opened, use the main control OpenMV3 machine vision module as the core, adopt trick lock, NFC discernment, face identification trinity's comprehensive intelligence lock system, can arrange the combination to multiple mode of unblanking, like password discernment, face identification, NFC discernment three kinds of modes are according to different quantity and order combination to deal with different scene situations, satisfy different customers to the demand of different security levels, guarantee its security and stability when improving the convenience of unblanking; furthermore, the utility model discloses based on OpenMV3 machine vision module, compare in fingerprint identification, save the cost.
2. The utility model relates to a safe intelligent lock suitable for multimode is opened adopts modular structure, and occupation space is little, is convenient for install in places such as drawer, door cabinet, and this intelligent lock opens conveniently, makes things convenient for old man, child to use.
Drawings
FIG. 1 is a schematic diagram of a security smart lock adapted for multi-mode unlocking according to the present invention;
FIG. 2 is an overall structure diagram of the intelligent safety lock suitable for multi-mode unlocking according to the present invention;
FIG. 3 is a schematic view of a face plate of a combination lock of a smart security lock adapted for multiple mode unlocking according to the present invention;
FIG. 4 is a diagram of a main body structure of an electromagnetic lock of a safety intelligent lock suitable for multi-mode unlocking according to the present invention;
FIG. 5 shows the display contents of the main verification mode of the intelligent locking OLED display screen of the present invention;
FIG. 6 shows the display content of the smart lock OLED display screen in the verification mode before modification.
In the figure: 1. a coded lock panel; 2. an electromagnetic lock body; 3. locking; 11. a combination lock module; 12. A camera module; 13. an NFC identification module; 14. an OpenMV3 machine vision module; 15. an OLED display screen; 16. a wireless transmitting module; 17. a battery; 21. a latch bolt; 22. an electromagnetic lock housing; 23. Insulating fixed rubber; 24. an electromagnetic coil; 25. an electric wire; 26. a wireless receiving and current control integration module; 27. a power supply module; 28. a nut groove is fixed; 141. an RGB indicator light; 142. an SD card slot; 143. and a USB interface.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined purpose, the following detailed description of the embodiments, structural features and effects of the present invention will be made with reference to the accompanying drawings and examples.
Example (b): the utility model discloses it is shown with reference to fig. 1 ~ 4, a safe intelligent lock suitable for multimode is opened, including trick lock panel 1, electromagnetic lock main part 2 and hasp 3.
Specifically, as shown in fig. 4, the electromagnetic lock main body 2 includes a latch bolt 21 and an electromagnetic lock housing 22, an electromagnetic coil 24 is installed in the electromagnetic lock housing 22, insulating fixing rubbers 23 are installed at two ends of the electromagnetic coil 24, the electromagnetic coil 24 is connected with the latch bolt 21 and used for controlling the opening and closing of the latch bolt 21, a wireless receiving and current control integration module 26 is further installed in the electromagnetic lock housing 22, the wireless receiving and current control integration module 26 is used for switching the supply of current of the electromagnetic coil 24, a power supply module 27 is further installed in the electromagnetic lock housing 22, the power supply module 27 provides power for the electromagnetic coil 24 and the wireless receiving and current control integration module 26, a rechargeable lithium battery can be selected by the preferred power supply module 27, fixing nut grooves 28 are further uniformly formed in the electromagnetic lock housing 22, and the electromagnetic lock main body is conveniently and.
The wireless receiving and current control integrated module 26 is an integrated module and has wireless receiving and current control functions, the wireless receiving adopts micro-R1 _315 and only has a receiving function (matched with a 5mm long TT02 antenna), the receiving sensitivity is-102 dBm, the frequency is 315Mhz, the current control part is opened, the electromagnetic coil 24 is electrified, the bolt 24 is retracted, and the intelligent lock is opened.
Specifically, as shown in fig. 1 and 3, a master control OpenMV3 machine vision module 14 and a wireless transmission module 16 are disposed on a coded lock panel 1, OpenMV3 is an open-source, low-cost, powerful machine vision module, an OpenMV3 machine vision algorithm includes color block searching, face detection, eyeball tracking, edge detection, mark tracking, and the like, the system takes an STM32F765 chip as a core and integrates a camera module 12, the camera module 12 collects data images of a user through a camera and feeds the data images back to an OpenMV3 machine vision module 14, the OpenMV3 machine vision module 14 identifies a human face from the obtained data images and judges whether the human face is matched with the human face in a database, if the human face is matched with the human face in the database, the wireless transmitting module 16 is controlled by the OpenMV3 machine vision module 14 to send an unlocking signal to the wireless receiving and current control integration module 26 in the electromagnetic lock body 2, then the wireless receiving and current control integration module 26 opens the current switch to make the electromagnetic coil 24 attract the bolt 21 to open the intelligent lock; if the wireless signals do not match, the wireless signals are not sent.
Wherein, install battery 17 on the trick lock panel 1, battery 17 and OpenMV3 machine vision module 14 electric connection.
The camera module 12 employs an OV7725 camera with image parameters of 640 × 480, 60fps, pixels 1.4 μm × 1.4 μm to obtain a clear data image, and uses OmniBSI technology to achieve higher performance (high sensitivity, low crosstalk, and low noise).
The wireless transmitting module 16 adopts a far-T1 transmitting module matched with a 5mm long TT02 antenna, the transmitting power is 15dBm, and the sight distance can reach 200 meters.
The novel intelligent lock further comprises a coded lock module 11, wherein the coded lock module 11 is composed of a matrix keyboard with numbers, an internal algorithm of the coded lock module is directly burned in a chip of an OpenMV3 machine vision module 14, when a user inputs a correct password on the matrix keyboard, the OpenMV3 machine vision module 14 controls a wireless transmitting module 16 to send an unlocking signal to a wireless receiving and current control integration module 26 in an electromagnetic lock body 2, and then the wireless receiving and current control integration module 26 opens a current switch to enable an electromagnetic coil 24 to attract a lock tongue 21 so as to open the intelligent lock; if not, no wireless signal is sent.
Specifically, as shown in fig. 2, 3, 5, and 6, the cipher format is a four-bit ABCD hybrid cipher, and the combination lock has three modes: the verification mode before modification can be operated in two directions (forward operation is automatically performed according to program sequence, and backward operation input). The main verification mode is a password verification mode, if the password is modified, the # # # is input to enter the verification mode before modification, the original password is input and enters the modification mode after verification, at the moment, the password to be modified (the # # # # and the # are prohibited to be input and conflict with the operation mode) can be input, and the password is automatically changed and returns to the main verification mode after the input is finished.
The novel intelligent lock further comprises an NFC identification module 13, the NFC identification module 13 is arranged on the coded lock panel 1 and located on the right side of a matrix keyboard of the coded lock module 11, the NFC identification module 13 uses an RC532 RFID radio frequency identification module, when a user mobile phone is close to the NFC identification module 13, the NFC identification module 13 acquires NFC information of the user mobile phone and feeds the NFC information back to the OpenMV3 machine vision module 14, if the NFC information of the user mobile phone is matched with information stored in an OpenMV3 machine vision module 14 database, the OpenMV3 machine vision module controls the wireless transmission module 16 to transmit an unlocking signal to the wireless receiving and current control integration module 26 in the electromagnetic lock body 2, and then the wireless receiving and current control integration module 26 starts a current switch to enable the electromagnetic coil 24 to attract the lock tongue 21 so as to open the intelligent lock; if the wireless signals do not match, the wireless signals are not sent.
This novel intelligence lock utilizes the principle of electromagnetism, when the electric current passes through, the electromagnetism spring bolt can produce powerful suction and withdraw, reach the effect of unblock, as long as little electric current electromagnetic lock will produce the magnetic force that needs promptly, the accurate back of OpenMV3 machine vision module discernment of control electromagnetic lock power is circular telegram promptly, the electromagnetic lock produces suction and can unblank, automatic outage is rebounded when the spring bolt is opened the back three seconds, prevent to adsorb for a long time and lead to the excessive consumption of electric quantity.
This novel intelligent lock verification mode order is exemplified, changes three kinds of modes into wantonly to sort and divides two kinds of modes, promptly:
the first method is as follows: firstly face identification and then password verification
The second method comprises the following steps: direct NFC identification verification
Wherein, if direct NFC card of punching the card also can directly unblank when mode one operation.
Preferably, the OpenMV3 machine vision module 14 is further provided with an RGB indicator lamp 141, where the RGB indicator lamp 141 is used to display the state of the smart lock, that is, if the OpenMV3 machine vision module 14 recognizes correctly, the RGB indicator lamp 141 will light green for three seconds and unlock at the same time, and if the OpenMV3 machine vision module 14 recognizes failed, the RGB indicator lamp 141 will flash red three times rapidly, indicating that the unlocking failed; when the unlocking mode is switched, the RGB indicating lamp (141) flashes blue twice after the operation is successful.
The OpenMV3 machine vision module 14 is also provided with an SD card slot 142, the SD card slot 142 being used to store programs and SD cards needed to save data images.
The OpenMV3 machine vision module 14 is further provided with a USB interface 143, and the USB interface 143 is used to connect to an integrated development environment on a computer, and assist the OpenMV3 machine vision module 14 in completing programming, debugging and firmware updating.
Still be provided with OLED display screen 15 on the trick lock panel 1, OLED display screen 15 is connected with OpenMV3 machine vision module 14, and OLED display screen 15 is used for showing the state of unblanking, and OLED display screen 15 content display order is:
the first mode in the verification mode: face recognition verification mode → password verification mode → verification success/verification failure
Mode two in the verification mode: NFC card authentication mode → authentication success/authentication failure
Wherein: the verification failure, verification success, modification failure and modification success are all displayed for one second.
The utility model provides a safe intelligent lock suitable for multimode is opened, based on the multi-functional intelligent lock system of OpenMV3 machine vision module, this technique is with OpenMV3 module as the core, synthesizes password identification, NFC module identification, face identification multinomial technique, can be according to different service environment, select a mode to unblank wantonly or carry out multiple verification through the mode that superposes to improve the security; in addition, the intelligent lock adopts a modular structure, occupies small space, is convenient to arrange in places such as drawers, door cabinets and the like, has relatively low overall cost and is convenient to popularize.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (8)
1. The utility model provides a safe intelligence lock suitable for multimode is opened which characterized in that: comprises a coded lock panel (1), an electromagnetic lock body (2) and a lock catch (3);
the electromagnetic lock comprises an electromagnetic lock body (2) and an electromagnetic lock shell (22), wherein an electromagnetic coil (24) and a wireless receiving and current control integration module (26) are installed in the electromagnetic lock shell (22), the electromagnetic coil (24) is connected with the bolt (21) and is used for controlling the bolt (21) to be opened and closed, the wireless receiving and current control integration module (26) is used for switching the current supply of the electromagnetic coil (24), a power module (27) is also installed in the electromagnetic lock shell (22), and the power module (27) provides power for the electromagnetic coil (24) and the wireless receiving and current control integration module (26);
the coded lock panel (1) is provided with a master control OpenMV3 machine vision module (14) and a wireless transmitting module (16), the master control OpenMV3 machine vision module (14) takes an STM32 chip as a core and integrates a camera module (12), the camera module (12) collects data images of a user through a camera and feeds the data images back to the OpenMV3 machine vision module (14), and the OpenMV3 machine vision module (14) is used for identifying a human face from the obtained data images and judging whether the human face is matched with the human face in a database;
the OpenMV3 machine vision module also comprises a coded lock module (11), wherein the coded lock module (11) consists of a matrix keyboard with numbers, an internal algorithm of the coded lock module is directly burned in a chip of the OpenMV3 machine vision module (14),
install battery (17) on trick lock panel (1), battery (17) and OpenMV3 machine vision module (14) electric connection.
2. A secure smart lock adapted for multiple-way unlocking according to claim 1, wherein: the mobile phone further comprises an NFC identification module (13), the NFC identification module (13) is arranged on the coded lock panel (1) and located on the right side of the matrix keyboard of the coded lock module (11), the NFC identification module (13) uses an RC532 RFID radio frequency identification module, and the NFC identification module (13) is used for acquiring NFC information of a mobile phone of a user and feeding the NFC information back to the OpenMV3 machine vision module (14).
3. A secure intelligent lock suitable for multi-way unlocking according to claim 1 or 2, wherein: the OpenMV3 machine vision module (14) is further provided with an RGB indicator light (141), and the RGB indicator light (141) is used for displaying the state of the intelligent lock.
4. A secure smart lock adapted for multiple-way unlocking according to claim 1, wherein: the OpenMV3 machine vision module (14) is also provided with an SD card slot (142), and the SD card slot (142) is used for storing SD cards required by programs and saving data images.
5. A secure smart lock adapted for multiple-way unlocking according to claim 1, wherein: the OpenMV3 machine vision module (14) is also provided with a USB interface (143), and the USB interface (143) is used for connecting an integrated development environment on a computer and assisting the OpenMV3 machine vision module (14) in completing programming, debugging and firmware updating.
6. A secure intelligent lock suitable for multi-way unlocking according to claim 1 or 2, wherein: still be provided with OLED display screen (15) on trick lock panel (1), OLED display screen (15) are connected with OpenMV3 machine vision module (14), OLED display screen (15) are used for showing the state of unblanking.
7. A secure smart lock adapted for multiple-way unlocking according to claim 1, wherein: the wireless transmitting module (16) adopts a far-T1 transmitting module matched with a 5mm long TT02 antenna, and the transmitting power is 15 dBm.
8. A secure smart lock adapted for multiple-way unlocking according to claim 1, wherein: the camera module (12) adopts an OV7725 camera, and the image parameters are 640 x 480, 60fps and pixels 1.4 μm x 1.4 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020831285.4U CN212933594U (en) | 2020-05-19 | 2020-05-19 | Safe intelligent lock suitable for multimode is opened |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020831285.4U CN212933594U (en) | 2020-05-19 | 2020-05-19 | Safe intelligent lock suitable for multimode is opened |
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| Publication Number | Publication Date |
|---|---|
| CN212933594U true CN212933594U (en) | 2021-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020831285.4U Active CN212933594U (en) | 2020-05-19 | 2020-05-19 | Safe intelligent lock suitable for multimode is opened |
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|---|---|
| CN (1) | CN212933594U (en) |
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2020
- 2020-05-19 CN CN202020831285.4U patent/CN212933594U/en active Active
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