CN202135141U - Communication circuit between active device and passive device, and lockset - Google Patents

Communication circuit between active device and passive device, and lockset Download PDF

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Publication number
CN202135141U
CN202135141U CN201120184252U CN201120184252U CN202135141U CN 202135141 U CN202135141 U CN 202135141U CN 201120184252 U CN201120184252 U CN 201120184252U CN 201120184252 U CN201120184252 U CN 201120184252U CN 202135141 U CN202135141 U CN 202135141U
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port
communicating circuit
singlechip
data
chip microcomputer
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CN201120184252U
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Chinese (zh)
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刘勇
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SYRON CO Ltd
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SYRON CO Ltd
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Abstract

The utility model discloses a communication circuit between an active device and a passive device and a lockset. The communication circuit includes a first communication circuit disposed on the active device and a second communication circuit disposed on the passive device. The first communication circuit includes a power switching element, a first single-chip microprocessor, a port L0 and a port L1. The second communication circuit includes a second single-chip microprocessor, an energy storage capacitor, a protecting resistor, an isolation diode, a port S0 and a port S1. The communication circuit realizes the power supply and data transmission to the passive device through controlling the power switching element of the active device and maintains electricity energy required in communication through the energy storage capacitor. The circuit has a simple structure and a reliable performance. The lockset includes an electronic key and a lock body. The electronic key and the lock body are design to be separated with each other. The two-way data transmission between the electronic key and the lock body and the power supply from the electronic key to the lock body are realized through two wires. The communication circuit in the utility model has characteristics of simple structure, high reliability and low power consumption.

Description

Communicating circuit between active equipment and inactive component and lockset
Technical field
The utility model relates to electronics and lock technology field, relates in particular to the communicating circuit between a kind of active equipment and inactive component, and the lockset with said communicating circuit.
Background technology
In general, the electronic equipment that possesses power supply is an active equipment, and the electronic equipment that does not possess power supply is exactly an inactive component.At present, power supply between active equipment and the inactive component and communication are adopted three-way mostly or the four-wire system mode is accomplished, and supply power and the communicating circuit complex structure.
Existing lockset comprises two kinds of mechanical lock and active electronic locksets, and mechanical lock (door lock that for example needs key to open) does not need power supply, but fail safe is not high enough, need carry mechanical key, uses inconvenient; And active electronic lockset (for example Fingerprint Lock, digital cipher lock) is safe, but needs power supply power supply (power electricity or battery), and power consumption is high; In case power supply trouble can't be opened lockset, general way is to increase by a cover opening ways for lockset; As with mechanical key as subsequent use opening ways, in some occasions, like drawer-lock; Volume requirement is little, and cost control is low, and this structure all is unallowed.
The utility model content
The utility model embodiment provides the communicating circuit between a kind of active equipment and inactive component, realizes the data double-way transmission between active equipment and the inactive component through two-wire system, and realizes that active equipment supplies power to inactive component, and circuit structure is simple, reliable.
Active equipment that the utility model embodiment provides and the communicating circuit between inactive component comprise first communicating circuit that is arranged on the active equipment, and are arranged on second communicating circuit on the inactive component;
Said first communicating circuit comprises device for power switching, first single-chip microcomputer, port L0 and port L1;
Said device for power switching comprises first port, second port and the 3rd port; Wherein, said first port is connected with power supply, and second port is connected with said port L1, and the 3rd port is a signal input end;
Said first single-chip microcomputer comprises over-current detection port, Data Receiving port and data sending terminal mouth; Wherein, said over-current detection port is connected with said port L0, and said Data Receiving port is connected with said port L1, and said data sending terminal mouth is connected with the 3rd port of said device for power switching; Said first single-chip microcomputer sends data through the data sending terminal mouth to said device for power switching, controls second port output high level or the low level of said device for power switching;
Said second communicating circuit comprises second singlechip, energy storage capacitor, protective resistance, isolating diode, port S0 and port S1; Said second singlechip comprises power port, data transmit-receive port and earth terminal; Wherein, said energy storage capacitor is connected in parallel between the power port and earth terminal of said second singlechip; The positive pole of said isolating diode is connected with said port S1, and negative pole is connected with the power port of said second singlechip; One end of said protective resistance is connected with said port S1, and the other end is connected with the data transmit-receive port of said second singlechip; Said port S0 is connected with the earth terminal of said second singlechip;
The port L0 of said first communicating circuit is connected with the port S0 of said second communicating circuit; The port L1 of said first communicating circuit is connected with the port S1 of said second communicating circuit, transmits data and electric energy through two line caps between active equipment and the inactive component.
Further, said first communicating circuit also comprises resistance R 0; One end ground connection of said resistance R 0, the other end is connected with the over-current detection port of said first single-chip microcomputer; And said first single-chip microcomputer is built-in with comparator; Electric current when said first single-chip microcomputer detect to connect inactive component through the over-current detection port, when said electric current during greater than fiducial value, said first single-chip microcomputer is controlled said device for power switching and is turn-offed through data sending terminal mouth output cut-off signals.
The utility model embodiment also provides a kind of lockset, comprises lock body and electron key; Said lock body is an inactive component, and said electron key is an active equipment; Said electron key is provided with first communicating circuit; Said lock body is provided with second communicating circuit;
Said first communicating circuit comprises device for power switching, first single-chip microcomputer, port L0 and port L1;
Said device for power switching comprises first port, second port and the 3rd port; Wherein, said first port is connected with power supply, and second port is connected with said port L1, and the 3rd port is a signal input end;
Said first single-chip microcomputer comprises over-current detection port, Data Receiving port and data sending terminal mouth; Wherein, said over-current detection port is connected with said port L0, and said Data Receiving port is connected with said port L1, and said data sending terminal mouth is connected with the 3rd port of said device for power switching; Said first single-chip microcomputer sends data through the data sending terminal mouth to said device for power switching, controls second port output high level or the low level of said device for power switching;
Said second communicating circuit comprises second singlechip, energy storage capacitor, protective resistance, isolating diode, port S0 and port S1; Said second singlechip comprises power port, data transmit-receive port and earth terminal; Wherein, said energy storage capacitor is connected in parallel between the power port and earth terminal of said second singlechip; The positive pole of said isolating diode is connected with said port S1, and negative pole is connected with the power port of said second singlechip; One end of said protective resistance is connected with said port S1, and the other end is connected with the data transmit-receive port of said second singlechip; Said port S0 is connected with the earth terminal of said second singlechip;
Also be provided with plug on the said electron key, said port L0 and port L1 also are electrically connected with said plug; Said lock body is provided with the key hole that is complementary with said plug, and said port S0 and port S1 also are electrically connected with said key hole; When said plug is plugged on the said key hole; The port L0 of said first communicating circuit is connected with the port S0 of said second communicating circuit; The port L1 of said first communicating circuit is connected with the port S1 of said second communicating circuit, transmits data and electric energy through two line caps between electron key and the lock body.
Further, said first communicating circuit also comprises resistance R 0; One end ground connection of said resistance R 0, the other end is connected with the over-current detection port of said first single-chip microcomputer; And said first single-chip microcomputer is built-in with comparator; Electric current when said first single-chip microcomputer detect to connect inactive component through the over-current detection port, when said electric current during greater than fiducial value, said first single-chip microcomputer is controlled said device for power switching and is turn-offed through data sending terminal mouth output cut-off signals.
Further, said electron key also comprises cipher input, is used to import user cipher, through plug said user cipher is transferred to said lock body.
Said lock body also comprises memory, is used to preserve pre-configured encrypted message; Said memory is connected with said second singlechip; Said second singlechip receives the user cipher that said electron key sends, and said user cipher and pre-configured encrypted message are compared, if identical, then sends the control signal of unblanking.
The utility model embodiment has following beneficial effect:
Active equipment that the utility model embodiment provides and the communicating circuit between inactive component realize the power supply to inactive component through the switch power device of control active equipment, and active equipment transmit data to inactive component; When inactive component during, keep the required electric energy of communication through energy storage capacitor to active equipment transmission data; This circuit design is simple, dependable performance, and data transmission procedure is a semiduplex mode, only need two communication lines can realize the data double-way transmission between active equipment and the inactive component, and active equipment is supplied power to inactive component;
The lockset that the utility model embodiment provides comprises the electron key and the lock body of separate design, and lock body is an inactive component, and electron key is an active equipment; Realize the data double-way transmission between electron key and the lock body through two-wire system, and realize that electron key supplies power to lock body, communicating circuit is simple in structure, reliable; And lock body itself does not possess power supply, is supplied power by electron key when unblanking, and is low in energy consumption.
Description of drawings
Fig. 1 is the structural representation of the active equipment interlock circuit that provides of the utility model embodiment;
Fig. 2 is the structural representation of the inactive component interlock circuit that provides of the utility model embodiment;
Fig. 3 is the structural representation of the lockset that provides of the utility model embodiment.
Embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model embodiment provides the communicating circuit between a kind of active equipment and inactive component, realizes the data double-way transmission between active equipment and the inactive component through two-wire system, and realizes that active equipment supplies power to inactive component, and circuit structure is simple, reliable.
Said communicating circuit comprises first communicating circuit that is arranged on the active equipment, and is arranged on second communicating circuit on the inactive component; Be elaborated below in conjunction with Fig. 1 and Fig. 2.
Referring to Fig. 1, be the structural representation of the active equipment interlock circuit that provides of the utility model embodiment;
First communicating circuit comprises device for power switching U0, the first single-chip microcomputer U1, port L0 and port L1;
Device for power switching U0 comprises first port 01, second port 02 and the 3rd port 03; Wherein, first port 01 is connected with power vd D, and second port 02 is connected with port L1, and the 3rd port 03 is a signal input end; During practical implementation, power vd D is the power supply of active equipment, for example battery supply.
The first single-chip microcomputer U1 comprises over-current detection port one 1, Data Receiving port 12 and data sending terminal mouth 13; Wherein, over-current detection port one 1 is connected with port L0, and Data Receiving port 12 is connected with port L1, and data sending terminal mouth 13 is connected with the 3rd port 03 of device for power switching U0; The first single-chip microcomputer U1 sends data through data sending terminal mouth 13 to device for power switching U0, second port, 02 output high level or the low level of power controlling switching device U0.
In a more excellent execution mode, when data sending terminal mouth 13 output high level, device for power switching U0 turn-offs, second port, 02 output low level; When data sending terminal mouth 13 output low levels, device for power switching U0 is open-minded, second port, 02 output high level.
As shown in Figure 1, first communicating circuit also comprises resistance R 0; One end ground connection of resistance R 0, the other end is connected with the over-current detection port one 1 of the first single-chip microcomputer U1; And the first single-chip microcomputer U1 is built-in with comparator.The first single-chip microcomputer U1 detects the electric current when connecting inactive component through over-current detection port one 1, and when electric current during greater than fiducial value, the first single-chip microcomputer U1 is through data sending terminal mouth 13 output cut-off signals, and power controlling switching device U0 turn-offs.
The major function of the first single-chip microcomputer U1 is that device for power switching U0 is controlled, and reception and the transmission of accomplishing data.And when the first single-chip microcomputer U1 detected when connecting inactive component between the excessive even L0 of electric current, the L1 short circuit, the first single-chip microcomputer U1 through 13 pin rupturing duty switching device U0, shielded to circuit immediately.
Referring to Fig. 2, be the structural representation of the inactive component interlock circuit that provides of the utility model embodiment;
Second communicating circuit comprises second singlechip U2, energy storage capacitor C1, protective resistance R1, isolating diode D1, port S0 and port S1.Specific as follows:
Second singlechip U2 comprises power port 21, data transmit-receive port 22 and earth terminal; Second singlechip U2 is mainly used in the reception and the transmission of deal with data, and data transmit-receive port 22 is the mongline bidirectional PORT COM, has data and sends and receiving function.
Energy storage capacitor C1 is connected in parallel between the power port 21 and earth terminal of second singlechip U2.The effect of energy storage capacitor C1 is, when inactive component when active equipment sends data, the power supply of inactive component is realized by the energy storage before the energy storage capacitor C1, is second singlechip U2 power supply.
The positive pole of isolating diode D1 is connected with port S1, and negative pole is connected with the power port 21 of second singlechip U2.The effect of isolating diode D1 is that when second singlechip U2 put data transmit-receive port 22 for low level, the electric charge on the energy storage capacitor C1 can not constitute discharge, thereby realized the data transmission.
The end of protective resistance R1 is connected with port S1, and the other end is connected with the data transmit-receive port 22 of second singlechip U2.The effect of protective resistance R1 is that when circuit working was unusual, for example port L1 was changed to high level by the first single-chip microcomputer U1 of active equipment, was changed to low level by the second singlechip U2 of inactive component again simultaneously, when being short-circuited circuit was protected.
Port S0 is connected with the earth terminal of second singlechip U2; The port L0 of first communicating circuit is connected with the port S0 of second communicating circuit, and the port L1 of first communicating circuit is connected with the port S1 of second communicating circuit; Transmit data and electric energy through two line caps between active equipment and the inactive component.
The utility model embodiment realizes the data double-way transmission between active equipment and the inactive component through two-wire system, and realizes that active equipment supplies power to inactive component, and is specific as follows:
(1) data forward transmitted
When active equipment when inactive component sends data (data forward transmitted); The data-signal that the first single-chip microcomputer U1 changes through data sending terminal mouth 13 output high-low levels; Second port 02 of power controlling switching device U0 is exported high level or low level, transfers to the data transmit-receive port 22 of second singlechip U2.
Present embodiment realizes that through the data-signal of the data sending terminal mouth 13 output high-low levels variations of the control first single-chip microcomputer U1 active equipment sends data to inactive component.In the forward data transmission course, second singlechip U2 is in data receiving state, and data transmit-receive port 22 is the Data Receiving port, is set to the high resistant input state.When the data-signal of data sending terminal mouth 13 outputs makes second port, 02 output high level, also be second singlechip U2 power supply simultaneously; When the data-signal of data sending terminal mouth 13 outputs made second port, 02 output low level, the operating voltage of second singlechip U2 was kept by capacitor C 1.
(2) data inverse is to transmission
When inactive component (data inverse is to transmission) when active equipment sends data, the first single-chip microcomputer U1 is through data sending terminal mouth 13 output cut-off signals, and power controlling switching device U0 turn-offs; Second singlechip U2 transfers to the Data Receiving port 12 of the first single-chip microcomputer U1 through data transmit-receive port 22 outputting data signals.
, before active equipment sends data, must turn-off through the data sending terminal mouth 13 control switch power device U0 of the first single-chip microcomputer U1 at inactive component, the operating voltage of second singlechip U2 is kept by energy storage capacitor C1.The Data Receiving port 12 of the first single-chip microcomputer U1 is changed to the high resistant input state; The data transmit-receive port 22 of second singlechip U2 is a data-out port, realizes the data transmission through control data transmitting-receiving port 22 output high-low levels, and data transfer to active equipment through port S1, S0.
(3) power supply
When active equipment when inactive component is supplied power; The first single-chip microcomputer U1 opens signal through 13 outputs of data sending terminal mouth; Second port 02 of power controlling switching device U0 is exported high level, transfers to the power port 21 of second singlechip U2, is second singlechip U2 power supply.In addition, the power supply of active equipment output can also be transferred in other circuit of inactive component, for other circuit provide power supply.
Active equipment that the utility model embodiment provides and the communicating circuit between inactive component realize the power supply to inactive component through the switch power device of control active equipment, and active equipment transmit data to inactive component; When inactive component during, keep the required electric energy of communication through energy storage capacitor to active equipment transmission data; This circuit design is simple, dependable performance, and data transmission procedure is a semiduplex mode, only need two communication lines can realize the data double-way transmission between active equipment and the inactive component, and active equipment is supplied power to inactive component.
Active equipment that the foregoing description provides and the communicating circuit between inactive component may be used on describing below in conjunction with Fig. 3 in the lockset.
Referring to Fig. 3, be the structural representation of the lockset that provides of the utility model embodiment, said lockset comprises lock body 2 and electron key 1; Lock body 2 is inactive components, and electron key 1 is an active equipment; Electron key 1 is provided with first communicating circuit, and lock body 2 is provided with second communicating circuit.The circuit structure of first communicating circuit, second communicating circuit and operation principle, same as the previously described embodiments, repeat no more at this.
As shown in Figure 3, the port L0 and the port L1 that also are provided with on the electron key 1 on plug 101, the first communicating circuits are electrically connected with plug 101.Port S0 and port S1 that lock body 2 is provided with on key hole 201, the second communicating circuits that are complementary with said plug 101 also are electrically connected with key hole 201.When plug 101 is plugged on 201 last times of key hole; The port L0 of first communicating circuit is connected with the port S0 of second communicating circuit; The port L1 of first communicating circuit is connected with the port S1 of second communicating circuit, transmits data and electric energy through two line caps between electron key and the lock body.
The utility model embodiment realizes the data double-way transmission between electron key 1 and the lock body 2 through two-wire system, and realizes electron key 1 to lock body 2 power supplies, and is specific as follows:
When electron key 1 when lock body 2 sends data; The data-signal that the first single-chip microcomputer U1 changes through data sending terminal mouth 13 output high-low levels; Second port 02 of power controlling switching device U0 is exported high level or low level, transfers to the data transmit-receive port 22 of second singlechip U2;
When lock body 2 when electron key 1 sends data, the first single-chip microcomputer U1 is through data sending terminal mouth 13 output cut-off signals, power controlling switching device U0 turn-offs; Second singlechip U2 transfers to the Data Receiving port of the first single-chip microcomputer U1 through data transmit-receive port 22 outputting data signals;
When electron key 1 during to lock body 2 power supply, the first single-chip microcomputer U1 opens signal through 13 outputs of data sending terminal mouth, and second port, the 02 output high level of power controlling switching device U0 transfers to the power port of second singlechip U2.In addition, the power supply of electron key output can also be transferred in other circuit of lock body, for other circuit provide power supply.
Further, electron key 1 also comprises cipher input, is used to import user cipher, through plug 101 said user cipher is transferred to lock body 2.During practical implementation, said cipher input comprises at least a in numeric keypad, fingerprint capturer, electromagnetism collector and the pupil collector.
Lock body 2 also comprises memory, is used to preserve pre-configured encrypted message; Said memory is connected with second singlechip U2; Second singlechip U2 receives the user cipher that electron key 1 sends, and said user cipher and pre-configured encrypted message are compared, if identical, then sends the control signal of unblanking.Wherein, said encrypted message is at least a in numerical ciphers, fingerprint, electromagnetic information, the pupil information.The human body biological characteristics that certainly, also can adopt other is as encrypted message.And each lockset can corresponding one or more unlocking ciphers; For example, need input a plurality of correct passwords through electron key, lock body just can be unblanked; Perhaps, lockset has disposed a plurality of passwords, just can unblank as long as import one of them.
In addition, electron key 1 also disposes battery, is used for power supply.
The lockset that the utility model embodiment provides comprises the electron key and the lock body of separate design, and lock body is an inactive component, and electron key is an active equipment; Realize the data double-way transmission between electron key and the lock body through two-wire system, and realize that electron key supplies power to lock body, communicating circuit is simple in structure, reliable; And lock body itself does not possess power supply, is supplied power by electron key when unblanking, and is low in energy consumption.
The above is the preferred implementation of the utility model; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; Can also make some improvement and retouching, these improvement and retouching also are regarded as the protection range of the utility model.

Claims (8)

1. the communicating circuit between active equipment and inactive component is characterized in that, comprises first communicating circuit that is arranged on the active equipment, and is arranged on second communicating circuit on the inactive component;
Said first communicating circuit comprises device for power switching, first single-chip microcomputer, port L0 and port L1;
Said device for power switching comprises first port, second port and the 3rd port; Wherein, said first port is connected with power supply, and second port is connected with said port L1, and the 3rd port is a signal input end;
Said first single-chip microcomputer comprises over-current detection port, Data Receiving port and data sending terminal mouth; Wherein, said over-current detection port is connected with said port L0, and said Data Receiving port is connected with said port L1, and said data sending terminal mouth is connected with the 3rd port of said device for power switching; Said first single-chip microcomputer sends data through the data sending terminal mouth to said device for power switching, controls second port output high level or the low level of said device for power switching;
Said second communicating circuit comprises second singlechip, energy storage capacitor, protective resistance, isolating diode, port S0 and port S1; Said second singlechip comprises power port, data transmit-receive port and earth terminal; Wherein, said energy storage capacitor is connected in parallel between the power port and earth terminal of said second singlechip; The positive pole of said isolating diode is connected with said port S1, and negative pole is connected with the power port of said second singlechip; One end of said protective resistance is connected with said port S1, and the other end is connected with the data transmit-receive port of said second singlechip; Said port S0 is connected with the earth terminal of said second singlechip; The port L0 of said first communicating circuit is connected with the port S0 of said second communicating circuit; The port L1 of said first communicating circuit is connected with the port S1 of said second communicating circuit, transmits data and electric energy through two line caps between active equipment and the inactive component.
2. the communicating circuit between active equipment as claimed in claim 1 and inactive component is characterized in that, said first communicating circuit also comprises resistance R 0; One end ground connection of said resistance R 0, the other end is connected with the over-current detection port of said first single-chip microcomputer; And said first single-chip microcomputer is built-in with comparator;
Electric current when said first single-chip microcomputer detect to connect inactive component through the over-current detection port, when said electric current during greater than fiducial value, said first single-chip microcomputer is controlled said device for power switching and is turn-offed through data sending terminal mouth output cut-off signals.
3. a lockset is characterized in that, comprises lock body and electron key; Said lock body is an inactive component, and said electron key is an active equipment; Said electron key is provided with first communicating circuit; Said lock body is provided with second communicating circuit;
Said first communicating circuit comprises device for power switching, first single-chip microcomputer, port L0 and port L1;
Said device for power switching comprises first port, second port and the 3rd port; Wherein, said first port is connected with power supply, and second port is connected with said port L1, and the 3rd port is a signal input end;
Said first single-chip microcomputer comprises over-current detection port, Data Receiving port and data sending terminal mouth; Wherein, said over-current detection port is connected with said port L0, and said Data Receiving port is connected with said port L1, and said data sending terminal mouth is connected with the 3rd port of said device for power switching; Said first single-chip microcomputer sends data through the data sending terminal mouth to said device for power switching, controls second port output high level or the low level of said device for power switching;
Said second communicating circuit comprises second singlechip, energy storage capacitor, protective resistance, isolating diode, port S0 and port S1; Said second singlechip comprises power port, data transmit-receive port and earth terminal; Wherein, said energy storage capacitor is connected in parallel between the power port and earth terminal of said second singlechip; The positive pole of said isolating diode is connected with said port S1, and negative pole is connected with the power port of said second singlechip; One end of said protective resistance is connected with said port S1, and the other end is connected with the data transmit-receive port of said second singlechip; Said port S0 is connected with the earth terminal of said second singlechip;
Also be provided with plug on the said electron key, said port L0 and port L1 also are electrically connected with said plug; Said lock body is provided with the key hole that is complementary with said plug, and said port S0 and port S1 also are electrically connected with said key hole; When said plug is plugged on the said key hole; The port L0 of said first communicating circuit is connected with the port S0 of said second communicating circuit; The port L1 of said first communicating circuit is connected with the port S1 of said second communicating circuit, transmits data and electric energy through two line caps between electron key and the lock body.
4. lockset as claimed in claim 3 is characterized in that, said first communicating circuit also comprises resistance R 0; One end ground connection of said resistance R 0, the other end is connected with the over-current detection port of said first single-chip microcomputer; And said first single-chip microcomputer is built-in with comparator;
Electric current when said first single-chip microcomputer detect to connect inactive component through the over-current detection port, when said electric current during greater than fiducial value, said first single-chip microcomputer is controlled said device for power switching and is turn-offed through data sending terminal mouth output cut-off signals.
5. like claim 3 or 4 described locksets, it is characterized in that said electron key also comprises cipher input, be used to import user cipher, said user cipher is transferred to said lock body through plug.
6. lockset as claimed in claim 5 is characterized in that said lock body also comprises memory, is used to preserve pre-configured encrypted message; Said memory is connected with said second singlechip;
Said second singlechip receives the user cipher that said electron key sends, and said user cipher and pre-configured encrypted message are compared, if identical, then sends the control signal of unblanking.
7. lockset as claimed in claim 6 is characterized in that, said cipher input comprises at least a in numeric keypad, fingerprint capturer, electromagnetism collector and the pupil collector.
8. lockset as claimed in claim 7 is characterized in that said electron key also disposes battery, is used for power supply.
CN201120184252U 2011-06-02 2011-06-02 Communication circuit between active device and passive device, and lockset Expired - Fee Related CN202135141U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102325022A (en) * 2011-06-02 2012-01-18 广州西容有限公司 Communicating circuit between active equipment and inactive component and lockset
CN104670679A (en) * 2014-12-19 2015-06-03 中国印钞造币总公司 Control method and control device for mechanical lock of cash carrying bag
CN110107158A (en) * 2019-05-31 2019-08-09 扬州安芯智科技有限公司 A kind of anti-short circuit current of electron key and method
WO2022027343A1 (en) * 2020-08-05 2022-02-10 Nanjing Easthouse Electrical Co., Ltd. Electronic keys for electronic locks and methods of using the same

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102325022A (en) * 2011-06-02 2012-01-18 广州西容有限公司 Communicating circuit between active equipment and inactive component and lockset
CN102325022B (en) * 2011-06-02 2014-08-06 广州西容有限公司 Communication circuit between active equipment and inactive equipment as well as lock
CN104670679A (en) * 2014-12-19 2015-06-03 中国印钞造币总公司 Control method and control device for mechanical lock of cash carrying bag
CN104670679B (en) * 2014-12-19 2017-07-14 中国印钞造币总公司 A kind of control method and device for transporting paper money bag mechanical lock
CN110107158A (en) * 2019-05-31 2019-08-09 扬州安芯智科技有限公司 A kind of anti-short circuit current of electron key and method
CN110107158B (en) * 2019-05-31 2024-03-05 瞬烯万变(苏州)科技有限公司 Electronic key short circuit prevention circuit and method
WO2022027343A1 (en) * 2020-08-05 2022-02-10 Nanjing Easthouse Electrical Co., Ltd. Electronic keys for electronic locks and methods of using the same

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