CN105989644A - Electronic lock, electronic key and electronic lock system - Google Patents
Electronic lock, electronic key and electronic lock system Download PDFInfo
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- CN105989644A CN105989644A CN201510055935.4A CN201510055935A CN105989644A CN 105989644 A CN105989644 A CN 105989644A CN 201510055935 A CN201510055935 A CN 201510055935A CN 105989644 A CN105989644 A CN 105989644A
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Abstract
The invention discloses an electronic lock, an electronic key, an electronic lock system, and a method for unlocking or locking the electronic lock. The electronic lock comprises a power supply interface, a first communication interface, a control module and an electronic lock cylinder, wherein, when the power supply interface is used for communication between the electronic lock and the electronic key, the power supply interface is communicated with external power supply for supplying powder to the control module and the electronic lock cylinder; the control module is communicated with the electronic key through the first communication interface, the characteristic information transmitted by the electronic key is received; and the electronic lock cylinder is used for unlocking or locking according to a control signal of the control module. Through a scheme of the invention, a built-in battery pack or connection with commercial power for obtaining the continuous power supply is not required, so that the application scope is enlarged, and when communication is required, the electronic lock is energized and starts a working state, electric quantity consumption is saved, usage time of the power supply is prolonged, and the maintenance cost is reduced.
Description
Technical field
The present invention relates to electric lockset field, be specifically related to unblanking or locking method of a kind of electronic lock, electron key, electronic lock system and electronic lock.
Background technology
Existing electronic lock or gate control system all must have lasting power supply to supply, and such as, internal battery group is powered, or use the devices such as configuration adapter to utilize civil power to be powered.
For this kind of electronic lock, because there being lasting power supply to supply, being whenever held at duty, detecting the insert action of electron key in real time.When the insertion of electron key being detected, with electron key communication.Such as, during unblanking or locking, electronic lock is verified the authority information of electron key transmission and judges, if the electron key inserted has authority of unblanking or lock, electronic lock drives actuator to unblank or lock.Can be communicated by wired or wireless mode between electronic lock and electron key.
A kind of common electronic lock system is gate control system, and gate control system typically uses mains-supplied, detects the close action of badge in real time.Once detect that badge is close, i.e. with badge communication, and verify the authority of the other side.If badge has enabling authority, drive and generally use wireless communication mode, such as modes such as RFID, NFC between actuator enabling gate control system and badge.Above-mentioned traditional electronic lock, owing to needing lasting power supply supply, proposes strict demand to installation environment, and must there be civil power installation site, or installs set of cells, which has limited the electronic lock scope of application.Such as, for the scene of some open airs, because there is no civil power, in addition it is also necessary to carry set of cells, relatively costly, and need to detect battery electric quantity, need to change in time battery or charging during low electricity, substantially increase operation and maintenance cost.
Summary of the invention
In view of the above problems, it is proposed that the present invention is to provide unblanking or locking method of a kind of electronic lock overcoming the problems referred to above or solving the problems referred to above at least in part, electron key, electronic lock system and electronic lock.
According to an aspect of the invention, it is provided a kind of electronic lock, including: power interface, the first communication interface, control module and electronic lock cylinder, wherein,
Power interface, for when electronic lock communicates with electron key, connects with external power source to power control module and electronic lock cylinder；
Control module is communicated with electron key by the first communication interface, receives and process the characteristic information that electron key sends；
Electronic lock cylinder is for performing to unblank or lock action according to the control signal of control module.
According to another aspect of the present invention, it is provided that a kind of electron key, including:
Power supply, power supply interface, the second communication interface and communication module；
Wherein, power supply is that communication module is powered, and is powered to electronic lock by power supply interface when electron key communicates with electronic lock；
Communication module, by the second communication interface and electronic lock communication, sends characteristic information to electronic lock, carries out processing characteristic information for electronic lock.
According to another aspect of the present invention, it is provided that a kind of electronic lock system, including:
Above-mentioned electronic lock and electron key.
According to another aspect of the present invention, it is provided that unblanking or locking method of a kind of electronic lock, including:
After electronic lock contacts with electron key, external power source is powered to electronic lock；
Electronic lock and electron key communication also receive the characteristic information that electron key sends；
Authority recognition code characteristic information is verified by electronic lock；
If characteristic information is proved to be successful, electronic lock performs to unblank or lock action, if characteristic information authentication failed, electronic lock refusal execution is unblanked or lock action.
Unblanking or locking method according to electronic lock of the present invention, electron key, electronic lock system and electronic lock, uses the mode of temporary power, when needs communicate with electronic lock, by external power source to electronic lock interim, the reverse power supply of offer.Electronic lock need not internal battery group or connects civil power to obtain stable power supply supply.Therefore, the scope of application of electronic lock is expanded.Further, only when unblanking, lock or being configured electronic lock, electronic lock just switches on power, and enters duty, saves electric quantity consumption, extend the use time of external power source, thus reduce maintenance cost.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention, and can be practiced according to the content of description, and in order to above and other objects of the present invention, feature and advantage can be become apparent, below especially exemplified by the detailed description of the invention of the present invention.
Accompanying drawing explanation
By reading the detailed description of hereafter preferred implementation, various other advantage and benefit those of ordinary skill in the art be will be clear from understanding.Accompanying drawing is only used for illustrating the purpose of preferred implementation, and is not considered as limitation of the present invention.And in whole accompanying drawing, it is denoted by the same reference numerals identical parts.In the accompanying drawings:
Fig. 1 shows the structural representation of electronic lock according to an embodiment of the invention；
Fig. 2 a shows the power interface and the structural representation of the first communication interface that the embodiment of the present invention provides；
Fig. 2 b shows the another kind of power interface and the structural representation of the first communication interface that the embodiment of the present invention provides；
Fig. 3 shows the structural representation of electron key according to an embodiment of the invention；
Fig. 4 a and Fig. 4 b shows the structural representation of two kinds of power supply interfaces in the embodiment of the present invention；
Fig. 5 shows the structural representation of electronic lock system according to an embodiment of the invention；
Fig. 6 shows unblanking or the flow chart of locking method of electronic lock according to an embodiment of the invention.
Detailed description of the invention
It is more fully described the exemplary embodiment of the disclosure below with reference to accompanying drawings.Although accompanying drawing showing the exemplary embodiment of the disclosure, it being understood, however, that may be realized in various forms the disclosure and should not limited by embodiments set forth here.On the contrary, it is provided that these embodiments are able to be best understood from the disclosure, and complete for the scope of the present disclosure can be conveyed to those skilled in the art.
Fig. 1 shows the structural representation of electronic lock according to an embodiment of the invention, as it is shown in figure 1, electronic lock 10 includes: power interface 110, and the first communication interface 120, control module 130 and electronic lock cylinder 140.
Wherein, power interface 110, for when electronic lock communicates with electron key, connects with external power source to power the control module 130 in electronic lock and electronic lock cylinder 140.
In the embodiment of the present invention, use a kind of power supply strategy being different from prior art, it is provided that a kind of passive electronic lock, need not be with set of cells or for connecting the device of civil power to provide lasting power supply to supply in electronic lock.This passive electronic lock supports the use with external power source, specifically, obtains power supply by power interface 110 from external power source and supplies.
Wherein, external power source can be the electric supply installation of single electric supply installation, such as plug and play, or is the electric supply installation etc. of electronic lock special designs.The present invention is without limitation.The present invention is also not intended to form and the power supply mode of above-mentioned power interface 110, and such as, this power interface can be USB interface, existing many PIN interface, or self-defining interface, it is also possible to be wireless receiving coil etc., wirelessly receive power supply.
In the power supply mode used in the present invention, only when electronic lock communicates with electron key, power interface 110 just temporarily connects with external power source, it is achieved the power supply to electronic lock.This can be accomplished in several ways, and such as, is provided with switch on power interface, when not contacting with electron key, switches off, and power interface does not connect with external power source.When using electronic key unlocking, contacting between electron key with electronic lock makes above-mentioned switch close, and connects external power source.
In one embodiment of the invention, this external power source is built in electron key, for example, it may be the lithium battery in electron key, Ni-MH battery etc..Reverse, interim power supply is provided to electronic lock by electron key.When electronic lock contacts with electron key, such as, when unblanking, the power interface 110 in electronic lock connects with the power supply in electron key.Specifically, one end of power interface 110 contacts with the power supply interface provided on electron key, the other end is connected to the power pins in control module 130 and electronic lock cylinder 140 by the layout of the power line within electronic lock, powers for control module 130 and electronic lock cylinder 140.
Control module 130 control after powering on electronic lock action and and electron key between communication, receive and process electron key send characteristic information.Characteristic information can be authority recognition code preset in electron key, the authority information that the bright electron key of authority recognition code table is had, such as, the authority recognition code of domestic consumer can be used for unblanking, locking, and the identification code of higher authority can be also used for the setting of electronic lock.Electron key when unblanking or lock with electronic lock communication, authority recognition code is sent to electronic lock, carries out, after supplied for electronic lock checking, action of unblanking or lock.In this process, control module 130 verifies the authority recognition code that electron key sends, to judge whether electron key possesses corresponding unlocking authority.Control module 130 can be the single-chip microcomputer with memory module such as ROM or RAM, MCU etc..Such as, the authority recognition code that the authority recognition code being saved in above-mentioned memory module sends with the electron key of reception is mated by control module 130 by the program preset, after the match is successful, control module 130 sends control signal in the control pin specified, and notice electronic lock cylinder 140 performs the action unblanked or lock.
In the present embodiment, control module 130, by the first communication interface 120 and electron key communication, receives the characteristic information sent by electron key, such as, authority recognition code, and this authority recognition code is verified, afterwards, control electronic lock cylinder according to the result to perform to unblank or lock action.
Certainly, the communication between electron key and electronic lock is not limited to during unblanking or locking transmit authority recognition code.Such as, when being configured electronic lock, electronic lock may need receive the identity information of electronic lock and preserved by control module；Or, when unblanking, between electronic lock and electron key, transmitting authority recognition code with ciphertext form, then characteristic information also includes encryption key, the decruption key etc. pre-set.When unblanking, control module utilizes decruption key to carry out the checking of authority recognition code after deciphering ciphertext again.Control module such as, after failure of unblanking, can also return failure information to electron key by the first communication interface to electron key feedback information, cut off the electricity supply supply etc. according to this failure information for electron key.Additionally, characteristic information can also include the identity information of electron key, authorization code, timestamp information etc., will not enumerate herein.
Electronic lock cylinder 140 is the locking member in electronic lock 10, action of unblanking for execution or lock.Usually, relay, driver part and mechanical locking part etc. can be included.Type difference according to electronic lock has different compositions.Such as traditional electronic lock, lock core can include spring, gear etc., and for the electronic lock of magnetic control class, electronic lock cylinder can include solenoid, Magnet, dead bolt etc..The control signal that driver part sends according to control module 130 drives mechanical part, performs the action unblanked or lock.The enforcement of the present invention is not rely on the particular type of electronic lock cylinder and control module, is applicable to various electronic lock.
The present invention additionally provides several optional power interface and communication interface, as follows:
Fig. 2 a shows the structural representation of a kind of power interface that the embodiment of the present invention provides.As shown in Figure 2 a, power interface 110 includes: the first power pins 1101 and first pin 1102 altogether.Wherein, when electronic lock contacts with electron key, the first power pins 1101 for being connected with the anelectrode of external power source, first altogether pin 1102 for being connected with the negative electrode of external power source.Meanwhile, first altogether pin 1102 also act as the common ground of electronic lock and external power source, this can improve power supply supply capacity and capacity of resisting disturbance.It should be noted that Fig. 2 a only schematically illustrates first power pins and one pin altogether, in reality, the quantity of the first power pins and/or first pin altogether can be increased according to the power supply demand and supply of electronic lock.
Fig. 2 a also show the structural representation of the first communication interface.Wherein, first communication interface 120 includes the first input pin 1201 and the first output pin 1202, specifically, one end of first input pin 1201 and the first output pin 1202 is respectively connecting in the designated pin of the control module within electronic lock, when electronic lock contacts communication with electron key, the other end of the first input pin 1201 is connected with the output pin of offer in electron key, the characteristic information that electron key sends arrives control module by the first input pin 1201, carries out the process of characteristic information for control module.In first communication interface 120 of the present embodiment, electronic lock carries out full-duplex communication by the first input pin 1201 and the first output pin 1202 with electron key.Specifically, electronic lock utilizes control module to pass through the first input pin 1201 and receives the characteristic information that electron key sends, and sends feedback information by the first output pin 1202 to electron key.Such as, characteristic information is authority recognition code, by the first output pin 1202, as feedback information, the result of checking is returned to electron key after control module is authenticated, cuts off the electricity supply according to the result for electron key or provides prompting.Corresponding to the other kinds of characteristic information such as encryption key, timestamp information, feedback information can be the confirmation signal etc. returned after control module has processed, and does not enumerates.
Fig. 2 b shows another kind of power interface and the structural representation of the first communication interface of the embodiment of the present invention, and wherein, power interface is identical with a upper example, and here is omitted.Unlike a upper example, in Fig. 2 b, the first communication interface 120 only includes the first communications pins 1203, and one end of this first communications pins 1203 is connected with the appointment input/output pin of the control module in electronic lock, and the other end contacts with electron key.Electronic lock carries out half-duplex operation by the first communications pins 1203 with electron key, it is to say, this first communications pins 1203 is alternately used for the characteristic informations such as the authority recognition code of reception electron key transmission and returns the feedback informations such as the result to authority recognition code to electron key.
Fig. 3 shows the structural representation of electron key according to an embodiment of the invention, as it is shown on figure 3, electron key 30 includes: power supply 310, and power supply interface 320, the second communication interface 330 and communication module 340.
Wherein, power supply 310 is powered for electron key 30, specifically, powers for communication module 340, and is powered to electronic lock by power supply interface 320 when electron key 30 communicates with electronic lock.This power supply 310 can be rechargeable lithium battary or Ni-MH battery etc., and this is not limited by the present invention.Further, electric power management circuit etc. can also be set between power supply 310 and power supply interface 320, when needed, such as when Authority Verification code is not verified, cuts off and supply to the power supply of electronic lock, can select as required.
Communication module 340 can be common single-chip microcomputer, MCU etc., and with memory modules such as RAM, for characteristic informations such as storage authority recognition codes.
When electron key 30 contacts with electronic lock, communication module 340 is by the second communication interface 330 and electronic lock communication.Such as, communication module 340 reads authority recognition code according to default program from RAM, is sent to electronic lock by authority recognition code by the second communication interface 350, performs to unblank or lock action for electronic lock verifying authorization identification code and according to the result.
Specifically, characteristic information is not limited to authority recognition code, it is also possible to include in electronic key based identity information, electronic lock identity information, encryption and decryption key, authorization code, timestamp information is one or more, refers to an embodiment and describes, and here is omitted.
Fig. 4 a shows the power supply interface and the structural representation of the second communication interface that the embodiment of the present invention provides.For ease of understanding, power interface and first communication interface of electronic lock are illustrated by Fig. 4 a the most in the lump.As shown in fig. 4 a, power supply interface 320 includes second source pin 3201 and second pin 3202 altogether；Wherein, second source pin 3201 is connected to the anelectrode of power supply, second altogether pin 3202 be connected to the negative electrode of power supply.Certainly, with the first power pins 3201 and first pin 3202 altogether in electronic lock accordingly, the quantity of second source pin 3201 and second pin 3202 altogether can also be multiple.When electronic lock contacts with electron key, as shown in fig. 4 a as, the first power pins 1101 of electronic lock engages with the second source pin 3201 of electron key, the first of electronic lock pin 1102 altogether with in electron key second altogether pin 3202 engage.Meanwhile, first altogether pin 1102 also act as the common ground of electronic lock and electron key, it is possible to increase power supply supply capacity and capacity of resisting disturbance.
In Fig. 4 a, electron key carries out full-duplex communication by the second input pin 3302 and the second output pin 3301 with electronic lock；Wherein, characteristic information is sent by the second output pin 3301 to electronic lock, such as authority recognition code；The feedback information that electronic lock sends is received by the second input pin 3302；The result such as authority recognition code.
Fig. 4 b shows another kind of power supply interface and the structural representation of the second communication interface of the present embodiment, wherein, second communication interface 330 includes the second communications pins 3303, electron key carries out half-duplex operation by the second communications pins 3303 with electronic lock, specifically, alternately send characteristic information to electronic lock by the second communications pins 3303, and receive the feedback information that electronic lock sends.
Fig. 5 shows the structural representation of electronic lock system according to an embodiment of the invention, as it is shown in figure 5, this electronic lock system includes:
Electronic lock 100 in above-described embodiment and electron key 300.
Electronic lock according to the above embodiment of the present invention, electron key and electronic system, use the electron key mode to electronic lock reverse power supply, and electronic lock need not internal battery group or connects civil power to obtain lasting power supply supply.Therefore, the scope of application of electronic lock is expanded, and is applicable to the outdoor environment without commercial power supply.Further, only communicating constantly with electron key, electronic lock can switch on power, and enters duty, which saves electric quantity consumption, extend the use time of power supply, thus reduce maintenance cost.
Fig. 6 shows unblanking or the flow chart of locking method of electronic lock according to an embodiment of the invention, it is adaptable to above-mentioned electronic lock system, as shown in Figure 6, the method comprises the steps:
Step S610, after electronic lock contacts with electron key, external power source is powered to electronic lock.
Wherein, external power source can be single electric supply installation.Further, it is also possible to the power supply being disposed in electron key, the description in embodiment as detailed above, here is omitted.After electronic lock accepts power supply, enter the state that works on power.
Step S620, electronic lock and electron key communication also receive the characteristic information that electron key sends.
Characteristic information includes for showing electronic key unlocking, the information such as authority of locking, such as, and the authority recognition code transmitted with ciphertext form.
Step S630, characteristic information is verified by electronic lock, if characteristic information is by checking, performs step S640, otherwise, performs step S650.
Step S640, electronics performs to unblank or lock action.
If characteristic information is proved to be successful, showing that electron key has a unlocking authority, electronic lock performs to unblank or lock action.
Step S650, electronic lock refusal execution is unblanked or locks action.
If characteristic information authentication failed, showing that electron key does not possess the authority unblanked or lock, refusal execution is unblanked or locks action.
Alternatively, after step S640 or step S650, the method also includes
Step S660, electronic lock returns authentication failed message to electron key.
Step S670, electron key cuts off according to authentication failed message and supplies to the power supply of electronic lock.
This step is applicable to the situation that electron key built-in power is powered to electronic lock.
Above-mentioned electronic lock is unblanked or in locking method, uses the external power source mode to electronic lock reverse power supply, and electronic lock need not internal battery group or connects civil power to obtain stable power supply supply.Therefore, the scope of application of electronic lock is expanded, and is applicable to the outdoor environment without commercial power supply.Further, only when unblanking or lock, electronic lock can switch on power, and enters duty, which saves electric quantity consumption, extend the use time of power supply, thus reduce maintenance cost.
In description mentioned herein, illustrate a large amount of detail.It is to be appreciated, however, that embodiments of the invention can be put into practice in the case of not having these details.In some instances, it is not shown specifically known method, structure and technology, in order to do not obscure the understanding of this description.
The present invention will be described rather than limits the invention to it should be noted above-described embodiment, and those skilled in the art can design alternative embodiment without departing from the scope of the appended claims.In the claims, any reference marks that should not will be located between bracket is configured to limitations on claims.Word " comprises " and does not excludes the presence of the element or step not arranged in the claims.Word "a" or "an" before being positioned at element does not excludes the presence of multiple such element.The present invention by means of including the hardware of some different elements and can realize by means of properly programmed computer.If in the unit claim listing equipment for drying, several in these devices can be specifically to be embodied by same hardware branch.Word first, second and third use do not indicate that any order.Can be title by these word explanations.
Claims (14)
1. an electronic lock, it is characterised in that including: power interface, the first communication interface, control mould
Block and electronic lock cylinder；
Described power interface, for when described electronic lock communicates with electron key, connects with external power source with right
Described control module and electronic lock cylinder are powered；
Described control module is communicated with electron key by described first communication interface, receives and processes electricity
The characteristic information that sub-key sends；
Described electronic lock cylinder is for performing to unblank or lock action according to the control signal of described control module.
Electronic lock the most according to claim 1, it is characterised in that described external power source is electronics key
Power supply in Shi；
Described power interface is further used for: when described electronic lock contacts with described electron key, with described
Power supply in electron key connects to power described control module and electronic lock cylinder.
Electronic lock the most according to claim 1 and 2, it is characterised in that described power interface includes
At least one first power pins and at least one the first pin altogether；Wherein, at least one first electricity described
Source pin for being connected with the anelectrode of described external power source, described at least one first altogether pin be used for
It is connected with the negative electrode of described external power source.
4. according to the electronic lock described in claim 1 or 2 or 3, it is characterised in that described first communication
Interface includes the first input pin and the first output pin, described electronic lock by described first input pin and
Described first output pin and electron key carry out full-duplex communication；Wherein,
Described electronic lock receives, by described first input pin, the characteristic information that described electron key sends, logical
Cross described first output pin and send feedback information to described electron key.
5. according to the electronic lock described in claim 1 or 2 or 3, it is characterised in that described first communication
Interface includes the first communications pins, and described electronic lock is entered with described electron key by described first communications pins
Row half-duplex operation, receives, by described first communications pins, the characteristic information that described electron key sends, with
And send feedback information to described electron key.
Electronic lock the most according to claim 1, it is characterised in that described characteristic information includes following
One or more in every:
Electronic key based identity information, electronic lock identity information, encryption key, decruption key, authority recognition code,
Authorization code, timestamp information.
7. an electron key, it is characterised in that including: power supply, power supply interface, the second communication interface
And communication module；
Described power supply is that described communication module is powered, and passes through institute with electronic lock when described electron key communicates
State power supply interface to power to described electronic lock；
Described communication module, by described second communication interface and described electronic lock communication, is sent out to described electronic lock
Send characteristic information, carry out characteristic information is processed for described electronic lock.
Electron key the most according to claim 7, it is characterised in that described power supply interface include to
A few second source pin and at least one the second pin altogether；Wherein, at least one second source described
Pin is connected to the anelectrode of described power supply, described at least one second altogether pin be connected to described power supply
Negative electrode.
9. according to the electron key described in claim 7 or 8, it is characterised in that described second communication connects
Mouthful include the second input pin and the second output pin, described electron key by described second input pin and
Described second output pin and described electron key carry out full-duplex communication；Wherein,
Described electron key sends characteristic information by described second output pin to described electronic lock, by institute
State the second output result and receive the feedback information that described electronic lock sends.
10. according to the electron key described in claim 7 or 8, it is characterised in that described second communication connects
Mouth includes the second communications pins, and described electron key is carried out with described electronic lock by described second communications pins
Half-duplex operation, sends characteristic information by described second communications pins to described electronic lock, and receives described
The feedback information that electronic lock sends.
11. according to the electron key described in any one of claim 7-10, it is characterised in that described feature
It is one or more that information includes in the following:
Electronic key based identity information, electronic lock identity information, encryption key, decruption key authority recognition code,
Authorization code, timestamp information.
12. 1 kinds of electronic lock systems, it is characterised in that including:
Electronic lock described in any one of claim 1-6 and the electronics key described in any one of claim 7-11
Spoon.
Unblanking or locking method of 13. 1 kinds of electronic locks, it is adaptable to the electronic lock system described in claim 12
System, it is characterised in that including:
After electronic lock contacts with electron key, external power source is powered to described electronic lock；
Electronic lock and electron key communication also receive the characteristic information that electron key sends；
Described characteristic information is verified by electronic lock；
If described characteristic information is proved to be successful, electronic lock performs to unblank or lock action, if described Authority Verification
Code characteristic information authentication failed, refusal execution is unblanked or locks action.
14. methods according to claim 13, it is characterised in that if the checking of described characteristic information is lost
Losing, described method also includes:
Described electronic lock returns authentication failed message to described electron key；
Described electron key cuts off according to described authentication failed message and supplies to the power supply of described electronic lock.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510055935.4A CN105989644A (en) | 2015-02-03 | 2015-02-03 | Electronic lock, electronic key and electronic lock system |
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| CN201510055935.4A CN105989644A (en) | 2015-02-03 | 2015-02-03 | Electronic lock, electronic key and electronic lock system |
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| CN109785534A (en) * | 2019-01-28 | 2019-05-21 | 李舒云 | Locker use right management, acquisition methods, terminal, system and storage medium |
| WO2021116780A1 (en) * | 2019-12-13 | 2021-06-17 | Brilliant Guard Limited | Intelligent locks and keys |
| WO2021117017A1 (en) | 2019-12-13 | 2021-06-17 | Brilliant Guard Limited | Intelligent locks and keys |
| CN114730509A (en) * | 2019-12-13 | 2022-07-08 | 智卫物联有限公司 | Intelligent lock and key |
| EP4073768A4 (en) * | 2019-12-13 | 2023-06-14 | Brilliant Guard Limited | Intelligent locks and keys |
| CN114423920A (en) * | 2020-08-13 | 2022-04-29 | 南京东屋电气有限公司 | Passive electronic lock and use method thereof |
| CN114423920B (en) * | 2020-08-13 | 2022-11-18 | 东屋世安物联科技(江苏)股份有限公司 | Passive electronic lock and use method thereof |
| CN113205620A (en) * | 2021-03-26 | 2021-08-03 | 珠海汇金科技股份有限公司 | Unlocking method and related equipment |
| CN114187686A (en) * | 2021-12-27 | 2022-03-15 | 徐州克瑞艾特电子科技有限公司 | Monopole passive lock |
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