CN112991591B - Cabinet body lock, prevent multi-functional bracelet of mistake and multi-functional system of preventing mistake - Google Patents
Cabinet body lock, prevent multi-functional bracelet of mistake and multi-functional system of preventing mistake Download PDFInfo
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- CN112991591B CN112991591B CN202110246418.0A CN202110246418A CN112991591B CN 112991591 B CN112991591 B CN 112991591B CN 202110246418 A CN202110246418 A CN 202110246418A CN 112991591 B CN112991591 B CN 112991591B
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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
- G07C9/00896—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys specially adapted for particular uses
- G07C9/00912—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys specially adapted for particular uses for safes, strong-rooms, vaults or the like
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Abstract
According to the cabinet lock, the error-prevention multifunctional bracelet and the multifunctional error-prevention system, the physical address and NFC identification information sent by unlocking equipment are identified through the first Bluetooth communication module and the first NFC module in the electronic lock, and the electronic lock is unlocked through the transmission module under the condition that the authentication result is successful; the NFC and Bluetooth double authentication mode can avoid the situation of mistaken entering of an interval to the maximum extent and can solve the problem that all protection screen cabinet body locks can be unlocked by one key at the present stage; moreover, the authentication results of the first Bluetooth communication module and the first NFC module are sent to the unlocking equipment, so that the effect of prompting a worker carrying the unlocking equipment is achieved; in addition, laser emitter and laser receiver can also detect whether the cabinet door is totally closed, if not totally closed, can also remind the staff to notice through GSM information sending module with this signal transmission to backstage.
Description
Technical Field
The invention relates to the technical field of electrical automation, in particular to a cabinet lock, a multifunctional anti-misoperation bracelet and a multifunctional anti-misoperation system.
Background
Safety has always been the first problem to be solved in the power production industry. Five malignant misoperation phenomena in power production include: the device comprises a disconnecting switch with load pull (connection), a circuit breaker (disconnecting switch) with an earthing knife switch (earthing wire), an earthing knife switch (earthing wire) with electricity connection (hanging), a circuit breaker with error separation (connection) and an interval with field operation error entering electricity.
Aiming at the condition that workers on an operation site mistakenly enter an electrified interval, common safety measures comprise a stop step and high-voltage danger suspension type signboard, a fence and the like at the electrified interval. In the secondary relay protection room, the sign of "in service" or "operation equipment" can all be hung to equipment in service, and the intention is in the equipment that the suggestion staff is shielded in this real-time electricity generation, transmission of electricity, transformer, distribution and power supply state. Each screen is also provided with a mechanical lock which needs to be opened by a key to operate the equipment in the screen.
Although the safety measures have a certain warning effect, the key of the secondary relay protection room does not have a five-prevention function, and a mechanical lock of all protection screens can be unlocked by one key. Therefore, workers can mistakenly operate the equipment in the screen due to wrong electrified intervals or wrong numbers, and equipment damage or personal safety threat can be caused; and, if the high voltage live cabinet door does not close completely, lead to personnel to miss the circumstances such as touching live equipment, little animal entering high voltage live cabinet body, also can cause equipment to burn out easily, then can cause personal safety accident or large tracts of land power failure accident seriously.
Disclosure of Invention
The invention aims to solve at least one of the technical defects, in particular to the technical defects that in the prior art, a lock and a key in an electrified interval are universal, a worker easily enters the electrified interval by mistake, and the cabinet door is not ensured to be completely closed after equipment is used, so that the equipment is easily damaged, and even personal safety accidents or large-area power failure can be caused.
The invention provides a cabinet lock, comprising: the lock comprises an electronic lock body, a traditional lock body, a transmission module, a first power supply module, a laser transmitter and a laser receiver;
the first power supply module is used for supplying power to the electronic lock body, the transmission module, the laser transmitter and the laser receiver;
the laser receiver is used for receiving the laser signal sent by the laser transmitter;
the electronic lock body comprises a first Bluetooth communication module, a first NFC module and a GSM information sending module; the first Bluetooth communication module is used for receiving a physical address sent by unlocking equipment, authenticating the authenticity of the physical address, and sending an authentication result to the unlocking equipment, and the transmission module or the GSM information sending module;
the first NFC module is used for receiving NFC identification information sent by the unlocking equipment, authenticating the authenticity and the validity of the NFC identification information and sending an authentication result to the unlocking equipment, and the transmission module or the GSM information sending module;
the GSM information sending module is used for receiving authentication failure signals sent by the first Bluetooth communication module and/or the first NFC module, receiving reception failure signals which are sent by the laser receiver and do not receive the laser signals, and sending the authentication failure signals and the reception failure signals to a background;
the transmission module is used for receiving authentication success signals sent by the first Bluetooth communication module and the first NFC module and unlocking according to the authentication success signals; and receiving a control signal of the traditional lock body sent by the electronic lock body, and controlling the traditional lock body according to the control signal.
Optionally, the unlocking device comprises an anti-misoperation multifunctional bracelet;
after receiving the physical address sent by the anti-misoperation multifunctional bracelet, the first Bluetooth communication module sends the physical address to a power system and receives an authentication result of the physical address sent by the power system;
the authentication result comprises an authentication failure signal and an authentication success signal, the authentication failure signal represents that the anti-error multifunctional bracelet is not matched with the electronic lock body, and the authentication success signal represents that the anti-error multifunctional bracelet is matched with the electronic lock body.
Optionally, after receiving the NFC identification information sent by the error-prevention multifunctional bracelet, the first NFC module reads and authenticates the authenticity and validity of the NFC identification information through a reader in the first NFC module, and sends an authentication failure signal and an authentication success signal to the GSM information sending module and the transmission module, respectively.
Optionally, the step of reading and authenticating the authenticity of the NFC identification information by the reader in the first NFC module, and sending an authentication failure signal and an authentication success signal to the GSM information sending module and the transmission module, respectively, includes:
reading and authenticating the authenticity of the NFC identification information through a reader-writer in the first NFC module, indicating that authentication is successful if the NFC identification information is consistent with authentication information stored in the reader-writer, and sending an authentication success signal to the anti-error multifunctional bracelet and the transmission module;
and if the NFC identification information is inconsistent with the authentication information stored in the reader-writer, indicating authentication failure, and sending an authentication failure signal to the anti-error multifunctional bracelet and the GSM information sending module.
Optionally, the step of reading and authenticating the validity of the NFC identification information by using the reader in the first NFC module, and sending the authentication failure signal and the authentication success signal to the GSM information sending module and the transmission module, respectively, includes:
reading and authenticating the effectiveness of the NFC identification information through a reader-writer in the first NFC module, indicating that authentication is successful if the NFC identification information is read by the reader-writer for the first time, and sending an authentication success signal to the anti-error multifunctional bracelet and the transmission module;
and if the NFC identification information is read by the reader-writer, indicating that authentication fails, and sending an authentication failure signal to the anti-error multifunctional bracelet and the GSM information sending module.
Optionally, the electronic lock body further comprises a monitoring module, and the monitoring module is used for monitoring the use state of the electronic lock body;
if the use state of the electronic lock body is a normal working state, the monitoring module sends a locking signal to the transmission module, and the transmission module controls the traditional lock body to be forbidden to use;
if the using state of the electronic lock body is a fault state, the monitoring module sends an enabling signal to the transmission module, and the transmission module controls the traditional lock body to be opened for use.
The invention also provides a multifunctional anti-misoperation bracelet, which comprises: the device comprises a second Bluetooth communication module, a second NFC module, an LED light-emitting module, a vibration module and a second power supply module;
the second Bluetooth communication module is used for sending a physical address to the electronic lock body;
the second NFC module is used for sending NFC identification information to the electronic lock body;
the LED light-emitting module is used for receiving an authentication result sent by the electronic lock body and emitting corresponding light according to the authentication result;
the vibration module is used for receiving an authentication result sent by the electronic lock body and driving the anti-error multifunctional bracelet to vibrate under the condition that the authentication result is an authentication failure signal;
the second power supply module is used for supplying power to the second Bluetooth communication module, the second NFC module, the LED light-emitting module and the vibration module.
Optionally, the LED light emitting module is configured to receive an authentication result sent by the electronic lock body;
if the authentication result is an authentication success signal, green light is emitted, and if the authentication result is an authentication failure signal, red light is emitted.
Optionally, the second NFC module consists of an antenna and an ASIC; the ASIC is comprised of a high speed RF interface, a control unit and an EEPROM.
The invention also provides a multifunctional error prevention system, which comprises: when multi-functional anti-error system carries out safety protection, adopt the cabinet body lock and prevent multi-functional bracelet of mistake as above in embodiment any of the preceding embodiment of the aforesaid.
According to the technical scheme, the embodiment of the invention has the following advantages:
according to the cabinet body lock, the error-prevention multifunctional bracelet and the multifunctional error-prevention system, the physical address and the NFC identification information sent by the unlocking equipment are identified through the first Bluetooth communication module and the first NFC module in the electronic lock, and the unlocking is carried out through the transmission module under the condition that the authentication result is successful; the NFC and Bluetooth dual authentication mode can not only avoid the situation of mistaken entering of an interval to the maximum extent, but also solve the problem that all protection screen cabinet body locks can be unlocked by one key at the present stage; moreover, the authentication results of the first Bluetooth communication module and the first NFC module are sent to the unlocking equipment, so that the effect of prompting a worker carrying the unlocking equipment is achieved; in addition, the laser transmitter and the laser receiver can also detect whether the cabinet door is completely closed, and if not, the signal can be sent to the background through the GSM information sending module to remind a worker to pay attention; the GSM information sending module can also receive an authentication failure signal of the first Bluetooth communication module and/or the first NFC module and send the authentication failure signal to a background so that operation and maintenance personnel can carry out field maintenance conveniently.
Furthermore, the electronic lock body is matched with the traditional lock body to unlock, and the electronic lock body can send a control signal to the transmission module so that the transmission module can correspondingly control and operate the traditional lock body according to the control signal, and therefore the safety and the reliability of the cabinet body lock can be improved to the greatest extent.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.
Fig. 1 is a schematic structural view of a cabinet lock according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a laser transceiver of a cabinet lock according to an embodiment of the present invention;
fig. 3 (a) is a schematic view of an unlocking structure of the cabinet lock according to the embodiment of the present invention;
fig. 3 (b) is a schematic view of a lock structure of a cabinet lock according to an embodiment of the present invention;
fig. 4 is a communication flow chart of the error-prevention multifunctional bracelet and the reader-writer according to the embodiment of the 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.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It will be understood by those within the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Safety has always been the first problem to be solved in the power production industry. Five malignant misoperation phenomena in power production include: the device comprises a disconnecting switch with load pull (connection), a circuit breaker (disconnecting switch) with an earthing knife switch (earthing wire), an earthing knife switch (earthing wire) with electricity connection (hanging), a circuit breaker with error separation (connection) and an interval with field operation error entering electricity.
Aiming at the condition that workers on an operation site mistakenly enter an electrified interval, common safety measures comprise a stop step and high-voltage danger suspension type signboard, a fence and the like at the electrified interval. In the secondary relay protection room, the sign of "in service" or "operation equipment" can all be hung to equipment in service, and the intention is in the equipment of suggestion staff in this screen and is in real time power generation, transmission of electricity, transformer, distribution and power supply state. Each screen is also provided with a mechanical lock which needs to be opened by a key to operate the equipment in the screen.
Although the safety measures have a certain warning effect, the key of the secondary relay protection room does not have a five-prevention function, and a mechanical lock of all protection screens can be unlocked by one key. Therefore, the working personnel can mistakenly operate the equipment in the screen due to the fact that the electrified interval is missed or the serial number is wrongly seen, and the equipment is damaged or personal safety is threatened; and, if the high voltage live cabinet door does not close completely, lead to personnel to miss the circumstances such as touching live equipment, little animal entering high voltage live cabinet body, also can cause equipment to burn out easily, then can cause personal safety accident or large tracts of land power failure accident seriously.
Therefore, the invention aims to solve the technical problems that in the prior art, a lockset and a key in an electrified interval are universal, workers easily enter the electrified interval by mistake, equipment is damaged easily because a cabinet door is not completely closed after the equipment is used, and even personal safety accidents or large-area power failure can be caused, and the invention provides the following technical scheme:
referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of a cabinet lock according to an embodiment of the present invention, and fig. 2 is a schematic structural diagram of a laser transceiver of a cabinet lock according to an embodiment of the present invention; the invention provides a cabinet lock, comprising: the lock comprises an electronic lock body 1, a traditional lock body 3, a transmission module 2, a first power supply module, a laser transmitter 5 and a laser receiver 4.
The first power supply module is used for supplying power to the electronic lock body 1, the transmission module 2, the laser transmitter 5 and the laser receiver 4; the laser receiver 4 is configured to receive a laser signal sent by the laser transmitter 5.
The electronic lock body 1 comprises a first Bluetooth communication module, a first NFC module and a GSM information sending module; the first Bluetooth communication module is used for receiving a physical address sent by unlocking equipment, authenticating the authenticity of the physical address, and sending an authentication result to the unlocking equipment, and the transmission module 2 or the GSM information sending module.
The first NFC module is used for receiving NFC identification information sent by the unlocking equipment, authenticating the authenticity and the validity of the NFC identification information, and sending an authentication result to the unlocking equipment, and the transmission module 2 or the GSM information sending module.
The GSM information sending module is used for receiving authentication failure signals sent by the first Bluetooth communication module and/or the first NFC module, receiving reception failure signals sent by the laser receiver 4 and not receiving the laser signals, and sending the authentication failure signals and the reception failure signals to a background.
The transmission module 2 is used for receiving authentication success signals sent by the first Bluetooth communication module and the first NFC module and unlocking according to the authentication success signals; and receiving a control signal sent by the electronic lock body 1 to the traditional lock body 3, and controlling the traditional lock body 3 according to the control signal.
In the embodiment of the invention, as shown in fig. 1, the cabinet lock includes an electronic lock body 1, a transmission module 2 and a traditional lock body 3, a first bluetooth communication module, a first NFC module and a GSM information transmission module are integrated in the electronic lock body 1, when the first bluetooth module receives a unique physical address sent by an unlocking device, authenticity of the physical address can be authenticated, when the first NFC module receives NFC identification information sent by the unlocking device, authenticity and validity of the NFC identification information can be authenticated, and when both are authenticated successfully, unlocking can be performed through the transmission module 2. Schematically, as shown in fig. 3 (a) and 3 (b), fig. 3 (a) is a schematic view of an unlocking structure of a cabinet lock provided in an embodiment of the present invention, and fig. 3 (b) is a schematic view of an locking structure of a cabinet lock provided in an embodiment of the present invention; in fig. 3 (a), after the cabinet lock is successfully double-authenticated, the lock can be unlocked through the transmission module 2, and after the unlocking operation is completed each time, the cabinet door can be closed to restore the locked state, as shown in fig. 3 (b).
Further, after the authentication of the first bluetooth communication module or the first NFC module fails, the transmission module 2 does not receive any unlocking signal, but the first bluetooth communication module or the first NFC module sends the authentication failure signal to the GSM information sending module, and sends the authentication failure signal to the background through the module.
For example, after a worker enters a wrong electrified interval by mistake, the GSM information sending module sends corresponding information of the wrong charged interval, time, the worker and the like to an operation and maintenance unit of the equipment in a short message sending mode, and gathers the information to a safety production supervision department in real time, and a background can check the information in real time, so that the condition of entering the wrong charged interval by mistake can be effectively prevented.
It should be noted that, the first bluetooth communication module authenticates the authenticity of the received physical address sent by the unlocking device, where the authenticity of the physical address refers to whether the unique physical address sent by the unlocking device is an address after the power system authentication, that is, whether the unlocking device is an unlocking device after the system authentication, and if not, the unlocking cannot be performed.
The first NFC module authenticates authenticity and validity of received NFC identification information sent by the unlocking device, wherein the authenticity of the NFC identification information refers to whether the unique identification information sent by the unlocking device is identification information written into the unlocking device by a reader-writer in the first NFC module, and if not, unlocking cannot be performed.
The validity of the NFC identification information refers to whether the unique identification information sent by the unlocking equipment is sent for the first time or not, and if not, the authentication fails, so that the safety problem possibly brought by multiple operations is prevented.
It can be understood that the unlocking device can be an intelligent bracelet, an intelligent watch, an intelligent mobile phone and the like with NFC and Bluetooth functions.
Further, as shown in fig. 2, the cabinet lock of the present invention further includes a laser transmitter 5 and a laser receiver 4, the laser receiver 4 can receive a laser signal sent by the laser transmitter 5, and if the laser receiver 4 does not receive the laser signal sent by the laser transmitter 5, it indicates that the cabinet door is not completely closed at this time, so that a reception failure signal can be sent to the GSM information sending module, and the reception failure signal is sent to the background through the GSM information sending module.
Specifically, the laser receiver 4 and the laser transmitter 5 may be respectively disposed at the upper and lower ends of the door frame, and a hole of an appropriate size is drilled at the latch tongue for transmission of laser. The aperture should not be too large, and if the aperture is too large, the result of detecting whether the door is closed will have a large deviation.
When the high-voltage electrified cabinet door is completely closed, laser can penetrate through a preset hole in the lock tongue to reach the laser receiver 4 to form a light path, and the laser receiver 4 receives a corresponding signal to judge that the cabinet door is completely closed; if the spring bolt is not completely clamped in the door frame, the laser light path can be blocked by the spring bolt, the laser receiver 4 cannot receive corresponding signals, at the moment, a signal that the cabinet door is not completely closed can be sent to the GSM information sending module, the GSM information sending module can send corresponding cabinet body information to high-voltage equipment management and operating personnel, and the operating personnel can find the corresponding high-voltage electrified cabinet body according to the information to perform corresponding processing on the high-voltage electrified cabinet body.
And furthermore, after the first Bluetooth communication module and the first NFC module authenticate and obtain an authentication result, the authentication results of the first Bluetooth communication module and the first NFC module can be sent to the unlocking equipment, so that the related modules in the unlocking equipment remind workers of paying attention.
In addition, the electronic lock body 1 is matched with the traditional lock body 3 to unlock, and the electronic lock body 1 can send a control signal to the transmission module 2, so that the transmission module 2 can correspondingly control and operate the traditional lock body 3 according to the control signal, and the safety and the reliability of the cabinet body lock can be improved as far as possible in the maximum range.
According to the cabinet lock provided by the embodiment, the physical address and the NFC identification information sent by the unlocking device are identified through the first Bluetooth communication module and the first NFC module in the electronic lock, and the electronic lock is unlocked through the transmission module 2 under the condition that the authentication result is successful; the NFC and Bluetooth dual authentication mode can not only avoid the situation of mistaken entering of an interval to the maximum extent, but also solve the problem that all protection screen cabinet body locks can be unlocked by one key at the present stage; moreover, the authentication results of the first Bluetooth communication module and the first NFC module are sent to the unlocking equipment, so that the effect of prompting a worker carrying the unlocking equipment is achieved; in addition, the laser transmitter 5 and the laser receiver 4 can also detect whether the cabinet door is completely closed, and if not, the signal can be sent to a background through the GSM information sending module to remind a worker to pay attention; the GSM information sending module can also receive authentication failure signals of the first Bluetooth communication module and/or the first NFC module and send the authentication failure signals to the background so that operation and maintenance personnel can carry out field maintenance conveniently.
In one embodiment, the unlocking device may include a multifunctional error prevention bracelet; after receiving the physical address sent by the anti-misoperation multifunctional bracelet, the first Bluetooth communication module sends the physical address to the power system, the power system is used for authenticating the authenticity of the physical address, and after the authentication is finished, the first Bluetooth communication module receives an authentication result of the physical address sent by the power system; the authentication result comprises an authentication failure signal and an authentication success signal, the authentication failure signal represents that the error-preventing multifunctional bracelet is not matched with the electronic lock body 1, and the authentication success signal represents that the error-preventing multifunctional bracelet is matched with the electronic lock body 1.
In one embodiment, after the first NFC module receives the NFC identification information sent by the anti-error multifunctional bracelet, the reader in the first NFC module reads and authenticates the authenticity and validity of the NFC identification information, and sends the authentication failure signal and the authentication success signal to the GSM information sending module and the transmission module 2, respectively, and the first NFC module further sends both the authentication failure signal and the authentication success signal to the anti-error multifunctional bracelet, so that some modules in the anti-error multifunctional bracelet can send related signals to remind a worker of paying attention.
Schematically, as shown in fig. 4, fig. 4 is a communication flow chart of the error-prevention multifunctional bracelet and the reader-writer according to the embodiment of the present invention; in fig. 4, the communication protocol and the communication baud rate of the error-prevention multifunctional bracelet are well defined, and when the error-prevention multifunctional bracelet enters the operation range of the reader-writer, the reader-writer communicates with the error-prevention multifunctional bracelet according to a specific protocol, so as to determine whether the error-prevention multifunctional bracelet is the error-prevention multifunctional bracelet.
When a plurality of anti-error multifunctional bracelets enter the operating range of the reader-writer, the anti-collision mechanism can select one bracelet to operate, and if the bracelet is not selected, the bracelet is in an idle mode to wait for next selection, and the process can return the serial number of the selected bracelet.
Selecting the card refers to selecting the serial number of the selected bracelet and returning the capacity code of the bracelet at the same time; the third mutual confirmation means that after the bracelet to be processed is selected, the reader-writer determines the sector number to be accessed, and performs password verification on the sector password, and after the third mutual authentication, communication can be performed through the encrypted stream (when another sector is selected, another sector password verification must be performed).
The operations on the data block include:
read (Read): reading a block;
write (Write): writing a block;
plus (Increment): adding values to the value blocks;
reduction (Decrement): subtracting the numerical value block;
store (Restore): storing the contents of the block into a data register;
transfer (Transfer): writing the content in the data register into the block;
pause (Halt): the card is placed in an idle mode.
The read-write working principle is as follows: the reader-writer sends a set of electromagnetic waves with fixed frequency to the anti-error multifunctional bracelet, an LC series resonance circuit is arranged in the bracelet, the frequency of the LC series resonance circuit is the same as the frequency transmitted by the reader-writer, under the excitation of the electromagnetic waves, the LC resonance circuit generates resonance, so that electric charges are arranged in a capacitor, an electronic pump which is in one-way conduction is connected to the other end of the capacitor, the electric charges in the capacitor are sent to another capacitor for storage, when the accumulated electric charges reach 2V, the capacitor can be used as a power supply to provide working voltage for other circuits, and data in the bracelet is transmitted out or the data of the reader-writer is received.
In one embodiment, the step of reading and authenticating the authenticity of the NFC identification information by the reader in the first NFC module, and sending an authentication failure signal and an authentication success signal to the GSM information sending module and the transmission module 2, respectively, may include:
reading and authenticating the authenticity of the NFC identification information through a reader-writer in the first NFC module, indicating that authentication is successful if the NFC identification information is consistent with the authentication information stored in the reader-writer, and sending an authentication success signal to the anti-error multifunctional bracelet and the transmission module 2; and if the NFC identification information is inconsistent with the authentication information stored in the reader-writer, indicating authentication failure, and sending an authentication failure signal to the anti-error multifunctional bracelet and the GSM information sending module.
In one embodiment, the step of reading and authenticating the validity of the NFC identification information by the reader in the first NFC module, and sending an authentication failure signal and an authentication success signal to the GSM information sending module and the transmission module 2, respectively, may include:
the effectiveness of the NFC identification information is read and authenticated through a reader-writer in the first NFC module, if the NFC identification information is read by the reader-writer for the first time, the authentication is successful, and an authentication success signal is sent to the anti-error multifunctional bracelet and transmission module 2; if the NFC identification information is read by the reader-writer, authentication failure is indicated, an authentication failure signal is sent to the anti-error multifunctional bracelet and the GSM information sending module, the anti-error multifunctional bracelet prompts the operator to notice, and the GSM information sending module sends the authentication failure signal to the background to remind the operation and maintenance personnel to notice.
In one embodiment, the electronic lock body 1 may further include a monitoring module, and the monitoring module is configured to monitor a use state of the electronic lock body 1.
If the use state of the electronic lock body 1 is a normal working state, the monitoring module sends a locking signal to the transmission module 2, and controls the traditional lock body 3 to be forbidden to use through the transmission module 2; if the using state of the electronic lock body 1 is a fault state, the monitoring module sends an enabling signal to the transmission module 2, and the transmission module 2 controls the traditional lock body 3 to be opened for use.
Specifically, if the electronic lock body 1 is in a normal working state, it will send a locking signal to the transmission module 2, so that the conventional lock body 3 cannot be opened by a special key; if the electronic lock body 1 loses power and fails so that normal unlocking cannot be achieved, an enabling signal is sent to the transmission module 2, and the door lock can be unlocked through a special key at the moment.
In one embodiment, the present invention further provides an anti-error multifunctional bracelet, including: the device comprises a second Bluetooth communication module, a second NFC module, an LED light-emitting module, a vibration module and a second power supply module.
The second Bluetooth communication module is used for sending a physical address to the electronic lock body 1; the second NFC module is configured to send NFC identification information to the electronic lock body 1; the LED light-emitting module is used for receiving the authentication result sent by the electronic lock body 1 and emitting corresponding light according to the authentication result; the vibration module is used for receiving an authentication result sent by the electronic lock body 1 and driving the error-prevention multifunctional bracelet to vibrate under the condition that the authentication result is an authentication failure signal; the second power supply module is used for supplying power to the second Bluetooth communication module, the second NFC module, the LED light-emitting module and the vibration module.
In this embodiment, prevent mistake multi-functional bracelet includes second bluetooth communication module, second NFC module, LED light emitting module, vibrations module and second power module, after second bluetooth communication module and second NFC module sent physical address and NFC identification information respectively for electronic lock body 1, then, can receive the authentication result that electronic lock body 1 returned, this authentication result includes authentication failure signal or authentication success signal, LED light emitting module and vibrations module can carry out corresponding operation according to this authentication result, notice the staff.
Further, the second bluetooth communication module can adopt the HC05 module, and master-slave is integrative, can communicate through the bluetooth serial ports for carry out information verification with the first bluetooth communication module in the cabinet body lock. Each second Bluetooth communication module has a unique physical address code and can be used for the identification and authentication process of unlocking.
In one embodiment, the LED lighting module is used for receiving an authentication result sent by the electronic lock body 1; if the authentication result is an authentication success signal, green light is emitted, and if the authentication result is an authentication failure signal, red light is emitted.
In this embodiment, when the second NFC module in the anti-misoperation multifunctional bracelet is successfully identified by the electronic lock end of the cabinet body, an electrical signal is sent to enable the green LED to enter a working state, so that the green LED emits green light to inform a worker of successful unlocking; if use bracelet and cabinet body lock that does not correspond to discern, the electronic lock can not be opened to can produce the warning signal of telecommunication that corresponds and make red LED luminous, with this suggestion staff walk wrong electrified interval.
In one embodiment, the second NFC module may be comprised of an antenna and an ASIC; the ASIC may consist of a high-speed RF interface, a control unit and an EEPROM.
Specifically, the electrical part of the second NFC module card is composed of an antenna and an ASIC (application specific integrated circuit), the antenna of the card being a coil with only several sets of windings; the ASIC consists of a high-speed (106 KB baud rate) RF interface, a control unit and an 8K-bit EEPROM; including the high-integration read-write card series chip MFRC522 applied to 13.56MHz contactless communication.
In one embodiment, the present invention further provides a multi-function error prevention system, including: when multi-functional anti-error system carries out safety protection, adopt the cabinet body lock and prevent multi-functional bracelet of mistake as above in embodiment any of the preceding embodiment of the aforesaid.
In the above embodiment, in order to solve the problem that a key can unlock all cabinet locks of the protection screen at the present stage, the locks are unlocked through the built-in near field communication chip in the multifunctional anti-misoperation bracelet, and correct information is written into the multifunctional anti-misoperation bracelet through the special reader-writer, so that the first NFC module built in the signboard on the cabinet can identify unique identification information of the second NFC module and the second bluetooth communication module of the multifunctional anti-misoperation bracelet, and the purpose of unlocking is achieved; and, the mode through NFC + bluetooth dual authentication comes the maximum to avoid the staff mistake to go into the interval, has also avoided the problem that whole protection screen cabinet body locks can be opened to a key at present stage simultaneously.
Further, carry when the staff and prevent mistake multi-functional bracelet to the cabinet body that the non-corresponds and discern the unsuccessful back of unblanking, prevent mistake multi-functional bracelet and can remind the staff to walk wrong interval through strong vibrations and luminous to reach warning staff's effect.
Next, the composite cabinet lock is configured with an electronic lock and a conventional mechanical lock. After the electronic lock fails to be unlocked, the electronic lock can send out an enabling signal through the loop to achieve the effect of unlocking the cabinet door through the mechanical key, and the safety and the reliability of the cabinet lock can be improved as far as possible within the maximum range.
Moreover, the traditional mechanical key is easy to lose, the anti-misoperation multifunctional bracelet can be worn on the hand of a worker, the size is small, the portability is good, and the normal work of the worker cannot be influenced.
Finally, the multifunctional anti-misoperation system also solves the technical problem that whether the high-voltage electrified cabinet door is closed or not is not detected temporarily at the present stage. If the high-voltage electrified cabinet door is not closed well, the conditions that people touch electrified equipment by mistake, small animals enter the high-voltage electrified cabinet body and the like easily exist, the equipment is burnt out if the conditions are light, and personal safety accidents or large-area power failure accidents are caused if the conditions are heavy. By using the multifunctional anti-misoperation system, whether the cabinet door is completely closed can be further detected, so that the condition is avoided.
The above-mentioned embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. A cabinet lock, comprising: the lock comprises an electronic lock body, a traditional lock body, a transmission module, a first power supply module, a laser transmitter and a laser receiver;
the first power supply module is used for supplying power to the electronic lock body, the transmission module, the laser transmitter and the laser receiver;
the laser receiver is used for receiving the laser signal sent by the laser transmitter;
the electronic lock body comprises a first Bluetooth communication module, a first NFC module and a GSM information sending module; the first Bluetooth communication module is used for receiving a physical address sent by unlocking equipment, authenticating the authenticity of the physical address, and sending an authentication result to the unlocking equipment, and the transmission module or the GSM information sending module;
the first NFC module is used for receiving NFC identification information sent by the unlocking device, reading and authenticating the validity of the NFC identification information through a reader-writer in the first NFC module, indicating that authentication is successful if the NFC identification information is read by the reader-writer for the first time, and sending an authentication success signal to the unlocking device and the transmission module; if the NFC identification information is read by the reader-writer, authentication failure is represented, and an authentication failure signal is sent to the unlocking equipment and the GSM information sending module;
the GSM information sending module is used for receiving authentication failure signals sent by the first Bluetooth communication module and/or the first NFC module, receiving reception failure signals sent by the laser receiver and not receiving the laser signals, and sending the authentication failure signals and the reception failure signals to a background;
the transmission module is used for receiving authentication success signals sent by the first Bluetooth communication module and the first NFC module and unlocking according to the authentication success signals; receiving a control signal of the traditional lock body sent by the electronic lock body, and controlling the traditional lock body according to the control signal;
the electronic lock body also comprises a monitoring module, and the monitoring module is used for monitoring the use state of the electronic lock body;
if the use state of the electronic lock body is a normal working state, the monitoring module sends a locking signal to the transmission module, and controls the traditional lock body to be forbidden to use through the transmission module;
if the using state of the electronic lock body is a fault state, the monitoring module sends an enabling signal to the transmission module, and the transmission module controls the traditional lock body to be opened for use.
2. The cabinet lock of claim 1, wherein the unlocking device comprises a multifunctional error prevention bracelet;
after receiving the physical address sent by the anti-misoperation multifunctional bracelet, the first Bluetooth communication module sends the physical address to a power system and receives an authentication result of the physical address sent by the power system;
the authentication result comprises an authentication failure signal and an authentication success signal, the authentication failure signal represents that the anti-error multifunctional bracelet is not matched with the electronic lock body, and the authentication success signal represents that the anti-error multifunctional bracelet is matched with the electronic lock body.
3. The cabinet body lock according to claim 2, wherein after the first NFC module receives the NFC identification information sent by the error-prevention multifunctional bracelet, the first NFC module reads and authenticates the authenticity and validity of the NFC identification information through a reader-writer in the first NFC module, and sends an authentication failure signal and an authentication success signal to the GSM information sending module and the transmission module, respectively.
4. The cabinet lock according to claim 3, wherein the step of reading and authenticating the authenticity of the NFC identification information by the reader/writer in the first NFC module, and sending an authentication failure signal and an authentication success signal to the GSM information sending module and the transmission module, respectively, comprises:
reading and authenticating the authenticity of the NFC identification information through a reader-writer in the first NFC module, indicating that authentication is successful if the NFC identification information is consistent with authentication information stored in the reader-writer, and sending an authentication success signal to the anti-error multifunctional bracelet and the transmission module;
and if the NFC identification information is inconsistent with the authentication information stored in the reader-writer, indicating authentication failure, and sending an authentication failure signal to the anti-error multifunctional bracelet and the GSM information sending module.
5. A prevent mistake multi-functional bracelet is applied to any one of claim 1-4 the cabinet body lock, its characterized in that includes: the device comprises a second Bluetooth communication module, a second NFC module, an LED light-emitting module, a vibration module and a second power supply module;
the second Bluetooth communication module is used for sending a physical address to the electronic lock body;
the second NFC module is used for sending NFC identification information to the electronic lock body;
the LED light-emitting module is used for receiving an authentication result sent by the electronic lock body and emitting corresponding light according to the authentication result;
the vibration module is used for receiving an authentication result sent by the electronic lock body and driving the anti-error multifunctional bracelet to vibrate under the condition that the authentication result is an authentication failure signal;
the second power supply module is used for supplying power to the second Bluetooth communication module, the second NFC module, the LED light-emitting module and the vibration module.
6. The anti-misoperation multifunctional bracelet according to claim 5, wherein the LED light emitting module is configured to receive an authentication result sent by the electronic lock body;
if the authentication result is an authentication success signal, green light is emitted, and if the authentication result is an authentication failure signal, red light is emitted.
7. The multifunctional anti-misoperation bracelet according to claim 5, wherein the second NFC module is composed of an antenna and an ASIC; the ASIC is comprised of a high speed RF interface, a control unit and an EEPROM.
8. A multi-functional anti-misoperation system, comprising: when the multifunctional anti-misoperation system is used for safety protection, the cabinet lock of any one of the claims 1-4 and the anti-misoperation multifunctional bracelet of any one of the claims 5-7 are adopted.
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| CN202110246418.0A CN112991591B (en) | 2021-03-05 | 2021-03-05 | Cabinet body lock, prevent multi-functional bracelet of mistake and multi-functional system of preventing mistake |
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| CN202110246418.0A CN112991591B (en) | 2021-03-05 | 2021-03-05 | Cabinet body lock, prevent multi-functional bracelet of mistake and multi-functional system of preventing mistake |
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| CN116076378A (en) * | 2023-03-09 | 2023-05-09 | 广东春盛生物科技发展有限公司 | Experimental animal cage system based on NFC switch and control method thereof |
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