CN110827455A - Intelligent passive lock adopting wireless coil to supply power in induction mode - Google Patents
Intelligent passive lock adopting wireless coil to supply power in induction mode Download PDFInfo
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- CN110827455A CN110827455A CN201911190576.8A CN201911190576A CN110827455A CN 110827455 A CN110827455 A CN 110827455A CN 201911190576 A CN201911190576 A CN 201911190576A CN 110827455 A CN110827455 A CN 110827455A
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- module
- lock body
- motor
- coil
- passive lock
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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
- G07C9/00944—Details of construction or manufacture
-
- 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
- G07C2009/00579—Power supply for the keyless data carrier
- G07C2009/00603—Power supply for the keyless data carrier by power transmission from lock
- G07C2009/00611—Power supply for the keyless data carrier by power transmission from lock by using inductive transmission
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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
- G07C2009/00753—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys
-
- 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
- G07C2009/00753—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys
- G07C2009/00769—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means
- G07C2009/00793—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means by Hertzian waves
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Manufacturing & Machinery (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention discloses an intelligent passive lock adopting a wireless coil to supply power in an induction mode, which comprises a passive lock body and an electronic key, wherein the passive lock body comprises a mechanical lock body, a lock catch, a motor, a switching mechanism and a control system, the lock catch is connected with the mechanical lock body in a buckling mode, the motor, the switching mechanism and the control system are fixedly connected inside the mechanical lock body, the switching mechanism is respectively connected with the lock catch and the output end of the motor, the control system comprises a MCU (microprogrammed control unit) singlechip I, a motor driving module, a Bluetooth module I, a wireless charging receiving module and an induction coil I, the electronic key comprises a shell and an unlocking system, and the unlocking system comprises a MCU singlechip II, a Bluetooth module II, an NB-IOT (remote control-input/output) module. The passive lock and the electronic key are wirelessly communicated with each other regardless of power supply, so that the power supply and the communication are more reliable, and poor contact and short circuit hidden troubles caused by the severe environment of long-term exposure of the physical metal contact are avoided.
Description
Technical Field
The invention relates to the technical field of locks, in particular to an intelligent passive lock adopting a wireless coil to supply power in an induction mode.
Background
With the popularization of urban intellectualization and informatization, the number of various outdoor public devices is also exponentially and explosively increased, for example: the number of urban light traffic boxes, small power distribution rooms, small communication base stations, intelligent multifunctional lamp posts and the like in large and medium cities is huge. These outdoor equipment require manual periodic inspection for good maintenance. The traditional operation and maintenance mode is that mechanical padlocks or case locks are matched on the outdoor equipment, and a large number of keys are required to be carried by inspection personnel to unlock different locks when the inspection personnel inspect. With the increase of outdoor equipment, the operation and maintenance mode has many defects, the requirement of urban development cannot be completely met, keys corresponding to different equipment need to be found when routing inspection tasks, corresponding keys also need to be found when equipment is started, and the use efficiency is low; the key is easy to lose or copy, which brings hidden danger to the outdoor equipment safety and has low safety factor; the inspection log cannot be automatically recorded, the inspection record is manually recorded by an inspector, the subjective factor of human is obvious, and the equipment cannot be maintained in time.
Therefore, a passive electronic lock product is appeared on the market and is divided into an electronic key and a passive lock. For ease of maintenance, the passive lock is without power, but with an MCU control circuit. When the electronic key is inserted, the passive lock is powered through the metal conductive interface, and the ID information of the passive lock is acquired and the unlocking key is transmitted to the passive lock through the communication serial port. After the passive lock is powered on and started by the electronic key, the ID information of the passive lock is sent to the electronic key through the serial port on one hand, the unlocking key of the electronic key is received on the other hand, and once the unlocking key is judged to be correct, the motor is immediately driven to unlock the lockset. The electronic key generally takes the bluetooth certainly, can connect cell-phone APP, and the permission of unblanking of key can be issued to the electronic key through platform and cell-phone APP, through the bluetooth communication. The record of unblanking also can be through the bluetooth, by cell-phone APP and then upload the platform save of electronic key upload.
Through this kind of mode, an electronic key can issue the tool to lock ID and open the key through the management platform, opens countless locks, has promoted the efficiency of patrolling and examining greatly, in addition, the record of unblanking passes through bluetooth and uploads cell-phone and platform, has realized patrolling and examining the automatic storage of record. Because the unlocking password is acquired online, once the key is found to be lost, the platform can forbid sending the key to the key, thereby effectively preventing the risk of key loss.
However, in the existing passive lock product, the electronic key and the passive lock are connected through a power supply and communicated with a serial port through a metal contact, outdoor equipment is exposed to sunlight and rain, a lot of bad hidden dangers are generated after long-term use, and due to the existence of an electrical interface, the passive lock is difficult to achieve water resistance and dust resistance, or the IP67 standard can be achieved only with high cost; the interface is easily oxidized or polluted by long-term exposure to air, and poor contact and even short circuit are caused. For this reason, a new technical solution needs to be designed for solution.
Disclosure of Invention
The invention aims to provide an intelligent passive lock adopting a wireless coil to supply power in an induction mode, wherein both power supply and communication are carried out between the passive lock and an electronic key in a wireless mode, so that the power supply and communication are more reliable, and poor contact and short circuit hidden danger caused by a severe environment in which a physical metal contact is exposed for a long time are avoided.
In order to achieve the purpose, the invention provides the following technical scheme: the intelligent passive lock comprises a passive lock body and an electronic key, wherein the passive lock body comprises a mechanical lock body, a lock catch, a motor, an opening and closing mechanism and a control system, the lock catch is connected with the mechanical lock body in a buckling manner, the inside of the mechanical lock body is fixedly connected with the motor, the opening and closing mechanism and the control system, the opening and closing mechanism is respectively connected with the output ends of the lock catch and the motor, the control system comprises a first MCU (microprogrammed control unit) singlechip, a motor driving module, a first Bluetooth module, a first wireless charging receiving module and a first induction coil, the motor driving module, the first Bluetooth module and the first wireless charging receiving module are respectively connected with the first MCU singlechip, the first induction coil is connected with a charging IC (integrated circuit), the electronic key comprises a shell and an unlocking system, and the unlocking system comprises a second MCU singlechip, a second Bluetooth, The wireless charging system comprises a wireless charging transmitting module, a second induction coil, a lithium battery and a power supply management module, wherein the second Bluetooth module, the NB-IOT module and the wireless charging transmitting module are respectively connected with a second MCU (microprogrammed control Unit) and a second induction coil, and the wireless charging transmitting module is connected with the second induction coil.
As an improvement of the technical scheme, a rectangular clamping groove is formed in the side wall of the mechanical lock body, and the first induction coil is tightly attached to the inner face of the rectangular clamping groove.
As an improvement of the technical scheme, the side wall of the shell is provided with a raised clamping block, the second induction coil is tightly attached to the inner surface of the clamping block, and the clamping block is buckled and connected with the rectangular clamping groove.
As an improvement of the technical scheme, the motor driving module is respectively connected with the motor and the MCU singlechip I.
As an improvement of the technical scheme, a charging interface is arranged at the edge of the shell and is positioned on the opposite side of the clamping block and connected with the power management module.
As an improvement of the technical scheme, the first Bluetooth module and the second Bluetooth module are in mutual matching connection, and the NB-IOT module is in wireless connection with the Internet of things.
Compared with the prior art, the invention has the following beneficial effects:
1. the passive lock and the electronic key are wirelessly communicated with each other regardless of power supply, so that the power supply and the communication are more reliable, and poor contact and short circuit hidden troubles caused by the severe environment of long-term exposure of the physical metal contact are avoided.
2. The passive lock body has no exposed circuit interface, so that the low-cost waterproof dustproof sealing design can be realized, various complex external environments can be met, the production cost is reduced, and the production efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of an intelligent passive lock using a wireless coil for inductive power supply according to the present invention;
fig. 2 is a frame structure schematic diagram of the control system and the unlocking system of the invention.
In the figure: the intelligent lock comprises a passive lock body-1, an electronic key-2, a mechanical lock body-3, a lock catch-4, a motor-5, an opening and closing mechanism-6, a control system-7, an MCU (microprogrammed control Unit) singlechip I-8, a motor driving module-9, a Bluetooth module I-10, a wireless charging receiving module-11, an induction coil I-12, a shell-13, an unlocking system-14, an MCU singlechip II-15, a Bluetooth module II-16, an NB-IOT module-17, a wireless charging transmitting module-18, an induction coil II-19, a lithium battery-20, a power management module-21, a rectangular card slot-22, a card block-23 and a charging interface-24.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: an intelligent passive lock adopting wireless coil induction power supply comprises a passive lock body 1 and an electronic key 2, wherein the passive lock body 1 comprises a mechanical lock body 3, a lock catch 4, a motor 5, a switching mechanism 6 and a control system 7, the lock catch 4 is connected with the mechanical lock body 3 in a buckling manner, the motor 5, the switching mechanism 6 and the control system 7 are fixedly connected inside the mechanical lock body 3, the switching mechanism 6 is respectively connected with the output ends of the lock catch 4 and the motor 5, the control system 7 comprises a MCU (microprogrammed control unit) singlechip 8, a motor driving module 9, a Bluetooth module 10, a wireless charging receiving module 11 and an induction coil 12, the motor driving module 9, the Bluetooth module 10 and the wireless charging receiving module 11 are respectively connected with the MCU singlechip 8, the induction coil 12 is connected with the wireless charging receiving module 11, the electronic key 2 comprises a shell 13 and an unlocking system 14, the unlocking system 14 comprises a second MCU (microprogrammed control Unit) singlechip 15, a second Bluetooth module 16, an NB-IOT (NB-internet of things) module 17, a wireless charging transmitting module 18, a second induction coil 19, a lithium battery 20 and a power management module 21, wherein the second Bluetooth module 16, the NB-IOT module 17 and the wireless charging transmitting module 18 are respectively connected with the second MCU singlechip 15, and the wireless charging transmitting module 18 is connected with the second induction coil 19.
In a further improvement, the side wall of the mechanical lock body 3 is provided with a rectangular clamping groove 22, the first induction coil 12 is tightly attached to the inner surface of the rectangular clamping groove 22, and the influence of the mechanical lock body 3 on the first induction coil 12 is reduced and the current mutual inductance efficiency is improved by tightly attaching the first induction coil 12 to the inner surface of the rectangular clamping groove 22.
In a further improvement, the side wall of the housing 13 is provided with a protruding fixture block 23, the second induction coil 19 is tightly attached to the inner surface of the fixture block 23, the fixture block 23 is connected with the rectangular clamping groove 22 in a buckling manner, and the second induction coil 19 is tightly attached to the inner surface of the fixture block 23, so that the gap between the first induction coil 12 and the second induction coil 19 is reduced, and the efficiency of current mutual inductance is improved.
In a further improved mode, the motor driving module 9 is respectively connected with the motor 5 and the MCU singlechip I8, and the motor driving module 9 is respectively connected with the motor 5 and the MCU singlechip I8, so that the MCU singlechip I8 can conveniently control the motor 5 through the motor driving module 9.
Further improved, the edge of shell 13 is equipped with the interface 24 that charges, the interface 24 that charges is located the opposite side of fixture block 23 and is connected with power management module 21, through be equipped with the interface 24 that charges in the edge at shell 13, conveniently charges to lithium cell 20 in the electron key 2.
The charging interface 24 is only present in the electronic key 2 and is used for charging the lithium battery 20, so that the external charging interface 24 is required, but the passive lock body 1 is powered by coil induction, so that no external interface is provided.
Specifically, the first Bluetooth module 10 and the second Bluetooth module 16 are connected in a matched pair mode, the NB-IOT module 17 is connected with the internet of things in a wireless mode, the first Bluetooth module 10 and the second Bluetooth module 16 are connected in a matched pair mode, data exchange is conveniently and rapidly carried out between the electronic key 2 and the passive lock body 1, therefore unlocking is achieved, and the connection speed and the stability of the electronic key 2 and the cloud server are improved by using the NB-IOT module 17 and the internet of things in a wireless mode.
The invention relates to a passive lock body-1, an electronic key-2, a mechanical lock body-3, a lock catch-4, a motor-5, an opening and closing mechanism-6, a control system-7, an MCU singlechip I-8, a motor driving module-9, a Bluetooth module I-10, a wireless charging receiving module-11, an induction coil I-12, a shell-13, an unlocking system-14, an MCU singlechip II-15, a Bluetooth module II-16, an NB-IOT module-17, a wireless charging transmitting module-18, an induction coil II-19, a lithium battery-20, a power management module-21, a rectangular card slot-22, a card block-23 and a charging interface-24, wherein the parts are all universal standard parts or parts known by technical staff in the field, and the structure and the principle of the parts can be known by the technical manual or by the conventional experimental method The Bluetooth module is specifically a CMBLE-1103 Bluetooth module, the MCU singlechip is specifically an STM32F103 microprocessor, the wireless charging receiving module is specifically a TI BQ51013B receiving control IC and a peripheral circuit, and the wireless charging transmitting module is specifically a BQ500211EVM transmitting control IC and a peripheral circuit.
When the electronic lock is used, the electronic key 2 is close to the passive lock body 1, then the fixture block 23 on the surface of the shell 13 is aligned with the rectangular clamping groove 22 on the surface of the mechanical lock body 3, the design of the fixture block 23 and the rectangular clamping groove 22 is closer to the actual unlocking use habit, the induction coil II 19 is in electromagnetic induction coupling with the induction coil I12, the oscillating electromagnetic wave generated by the wireless charging and receiving module 18 and the wireless charging and receiving module 11 is coupled to the induction coil I12 through the induction coil II 19, the induction electromagnetic wave of the induction coil I12 is converted into a direct current power supply to supply power to the passive lock body 1 after rectification, the MCU singlechip I8 utilizes the Bluetooth module I10 to be in matched connection with the Bluetooth module II 16 in the unlocking system 14, the MCU II 15 obtains the singlechip ID number of the passive lock body 1, and the MCU singlechip II 15 obtains the unlocking key from a server through the NB-IOT module 17, and then unlocking the passive lock body 1, returning error information if the key comparison is unsuccessful, and sending passive lock state information to the electronic key 2 if the key comparison is successful, and simultaneously immediately driving the motor 5 to unlock the lock catch 4 through the motor driving module 9.
The data communication wireless transmission protocol adopted by the invention is not only Bluetooth, but also comprises short-distance wireless transmission protocols such as Zigbee, 433MHZ and the like.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary 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 (6)
1. The utility model provides an adopt passive lock of intelligence of wireless coil induction power supply, includes passive lock body (1) and electron key (2), its characterized in that: the passive lock body (1) comprises a mechanical lock body (3), a lock catch (4), a motor (5), an opening and closing mechanism (6) and a control system (7), the lock catch (4) is connected with the mechanical lock body (3) in a buckling mode, the motor (5), the opening and closing mechanism (6) and the control system (7) are fixedly connected inside the mechanical lock body (3), the opening and closing mechanism (6) is respectively connected with the output ends of the lock catch (4) and the motor (5), the control system (7) comprises a MCU (microprogrammed control unit) singlechip (8), a motor driving module (9), a Bluetooth module (10), a wireless charging receiving module (11) and an induction coil (12), the motor driving module (9), the Bluetooth module (10) and the wireless charging receiving module (11) are respectively connected with the MCU singlechip (8), and the induction coil (12) is connected with the wireless charging receiving module (11), the electronic key (2) comprises a shell (13) and an unlocking system (14), the unlocking system (14) comprises a second MCU (15) single chip microcomputer, a second Bluetooth module (16), an NB-IOT (17), a wireless charging transmitting module (18), a second induction coil (19), a lithium battery (20) and a power management module (21), the second Bluetooth module (16), the NB-IOT (17) and the wireless charging transmitting module (18) are respectively connected with the second MCU single chip microcomputer (15), and the wireless charging transmitting module (18) is connected with the second induction coil (19).
2. The intelligent passive lock adopting wireless coil induction power supply of claim 1, characterized in that: the side wall of the mechanical lock body (3) is provided with a rectangular clamping groove (22), and the first induction coil (12) is tightly attached to the inner face of the rectangular clamping groove (22).
3. The intelligent passive lock adopting wireless coil induction power supply as claimed in claim 2, wherein: the lateral wall of shell (13) is equipped with bellied fixture block (23), induction coil two (19) hug closely in the inner face of fixture block (23), fixture block (23) and rectangle draw-in groove (22) lock are connected.
4. The intelligent passive lock adopting wireless coil induction power supply of claim 1, characterized in that: and the motor driving module (9) is respectively connected with the motor (5) and the MCU singlechip I (8).
5. The intelligent passive lock adopting wireless coil induction power supply of claim 1, characterized in that: the edge of shell (13) is equipped with interface (24) that charges, interface (24) that charges are located the opposite side of fixture block (23) and are connected with power management module (21).
6. The intelligent passive lock adopting wireless coil induction power supply of claim 1, characterized in that: the Bluetooth module I (10) and the Bluetooth module II (16) are connected in a matched pair mode, and the NB-IOT module (17) is in wireless connection with the Internet of things.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911190576.8A CN110827455A (en) | 2019-11-28 | 2019-11-28 | Intelligent passive lock adopting wireless coil to supply power in induction mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911190576.8A CN110827455A (en) | 2019-11-28 | 2019-11-28 | Intelligent passive lock adopting wireless coil to supply power in induction mode |
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| Publication Number | Publication Date |
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| CN110827455A true CN110827455A (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911190576.8A Pending CN110827455A (en) | 2019-11-28 | 2019-11-28 | Intelligent passive lock adopting wireless coil to supply power in induction mode |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113393598A (en) * | 2021-06-07 | 2021-09-14 | 深圳市伊格鲁科技有限公司 | Electronic lock system of external power supply and design method |
| CN113436368A (en) * | 2021-06-07 | 2021-09-24 | 广东名门锁业有限公司 | Passive lock and unlocking/locking method |
-
2019
- 2019-11-28 CN CN201911190576.8A patent/CN110827455A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113393598A (en) * | 2021-06-07 | 2021-09-14 | 深圳市伊格鲁科技有限公司 | Electronic lock system of external power supply and design method |
| CN113436368A (en) * | 2021-06-07 | 2021-09-24 | 广东名门锁业有限公司 | Passive lock and unlocking/locking method |
| CN113393598B (en) * | 2021-06-07 | 2023-02-21 | 深圳市伊格鲁科技有限公司 | Electronic lock system of external power supply |
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