CN102518341B - Communication device, electronic door lock monitoring system and method for activating electronic door lock - Google Patents
Communication device, electronic door lock monitoring system and method for activating electronic door lock Download PDFInfo
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- CN102518341B CN102518341B CN201110444992.3A CN201110444992A CN102518341B CN 102518341 B CN102518341 B CN 102518341B CN 201110444992 A CN201110444992 A CN 201110444992A CN 102518341 B CN102518341 B CN 102518341B
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Abstract
The embodiment of the invention discloses a method for activating an electronic door lock, which comprises closing a switch, breaking through a bypass circuit, and enabling a storage battery in a cabinet to supply power to a monitoring unit through the bypass circuit; and the monitoring unit determines whether a door card has a limit of authority for opening a door, if the door card has the limit of authority for opening the door, the monitoring unit gives an unlocking order to the door lock. The embodiment of the invention further discloses a communication device and an electronic door lock monitoring system. By means of the technical scheme, power down happens to an outdoor communication device, on-site maintenance personnel can activate the electronic door lock in the cabinet without carrying auxiliary tools so that maintenability of the communication device is improved.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of method of communication equipment, electronic lock monitoring system and active electron door lock.
Background technology
In communication system, for example: Optical Access Network system, GSM etc., the use of the communication equipment under outdoor Physics Work environment is more and more extensive, as: be radio communication website or cable network site works station, existing communication equipment adopts outdoor communication cabinet to coordinate to realize unmanned with electronic lock conventionally, but, in prior art, when electric under communication equipment, be that the electric power system of communication equipment stops in communication equipment when each device normal power supply, monitoring unit in the electronic lock that communication cabinet arranges is due to power down, cannot communicate by letter with door lock, can not control door lock opens, when on-site maintenance, cannot open the cabinet door of communication cabinet, on-site maintenance personnel need to carry a group storage battery to on-the-spot, battery is received to communication cabinet external surface for the interface to monitoring unit power supply, realize the activation of electronic lock, to open cabinet door, because needs carry battery, make the maintainability of existing communication equipment poor, be unfavorable for increasing work efficiency.
Summary of the invention
The object of the present invention is to provide a kind of method of communication equipment, electronic lock monitoring system and active electron door lock, so that under communication equipment after electricity, do not need to carry aid, utilize the battery activation electronic lock in rack, improve the maintainability of communication equipment.
To achieve these goals, the invention provides following technical scheme:
A kind of communication equipment, comprising: rack, electric power system and be arranged at the electronic device in described rack;
Described rack is provided with electronic lock and cabinet door, described electronic lock is used for controlling described cabinet door and opens or closes, described electronic lock comprises: monitoring unit, card reader and door lock, described card reader is arranged at described rack external surface, described card reader is used for reading the information of badge, and described information is uploaded to described monitoring unit; The described information of described monitoring unit for uploading according to described card reader, judges that described badge has or not the authority of opening the door, and in the time that described badge opens the door authority, assigns unlock command to described door lock;
Described electric power system is provided with the main circuit to described electronic device and the power supply of described monitoring unit, described electric power system comprises power supply and battery, described power supply and/or described battery are given described electronic device and the power supply of described monitoring unit by described main circuit, described battery is positioned at described rack, and described battery is provided with the bypass circuit being electrically connected with described monitoring unit, on described bypass circuit, be provided with switch, and described switch is positioned at described rack external surface, described switch is when stopping when described electric power system powering to described monitoring unit and described electronic device from described main circuit, bypass circuit described in conducting, described battery is powered to described monitoring unit by described bypass circuit.
A kind of electronic lock monitoring system, comprising:
Remote control center, and at least one communication equipment, described communication equipment is connected with described remote control center by network, and described remote monitoring center is used for monitoring described communication equipment operation;
Described communication equipment comprises: rack, electric power system and be arranged at the electronic device in described rack;
Described rack is provided with electronic lock and cabinet door, described electronic lock is used for controlling described cabinet door and opens or closes, described electronic lock comprises: monitoring unit, card reader and door lock, described card reader is arranged at described rack external surface, described card reader is used for reading the information of badge, and described information is uploaded to described monitoring unit, the described information of described monitoring unit for uploading according to described card reader, judge that described badge has or not the authority of opening the door, with when described badge is in the time that authority is opened the door in the judgement of described monitoring unit, assign unlock command to described door lock, and when described badge is in the time that described monitoring unit judgement nothing is opened the door authority, described information reporting is given described remote monitoring center by described monitoring unit, and further judged by described remote monitoring center, in the time that authority is opened the door in the judgement of described Surveillance center, described in described remote monitoring center control, monitoring unit is assigned unlock command to described door lock,
Described electric power system is provided with the main circuit to described electronic device and the power supply of described monitoring unit, described electric power system comprises power supply and battery, described power supply or described battery are given described electronic device and the power supply of described monitoring unit by described main circuit, described battery is positioned at described rack, and described battery is provided with the bypass circuit being electrically connected with described monitoring unit, on described bypass circuit, be provided with switch, and described switch is positioned at described rack external surface, described switch is when stopping when described electric power system powering to described monitoring unit and described electronic device from described main circuit, bypass circuit described in conducting, described battery is powered to described monitoring unit by described bypass circuit.
A method for active electron door lock, comprising:
Closing Switch, conducting bypass circuit, makes the battery in rack power to described monitoring unit by described bypass circuit;
The badge information that described monitoring unit reports according to card reader, judges that described badge has or not the authority of opening the door, and while opening the door authority, described monitoring unit is assigned unlock command to door lock.
Adopt technical scheme of the present invention, while making under communication equipment electricity, on-site maintenance personnel can activate the electronic lock in rack without carrying aid, to open the cabinet door of rack, have improved the maintainability of communication equipment.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
A kind of communication equipment schematic diagram that Fig. 1 provides for the embodiment of the present invention one;
The another kind of communication equipment schematic diagram that Fig. 2 provides for the embodiment of the present invention one;
Battery and monitoring unit and bypass circuit connection diagram in the another kind of communication equipment that Fig. 3 provides for the embodiment of the present invention one;
A kind of electronic lock monitoring system schematic diagram that Fig. 4 provides for the embodiment of the present invention two;
The method flow diagram of a kind of active electron door lock that Fig. 5 provides for the embodiment of the present invention three;
The method flow diagram of a kind of another kind of active electron door lock that Fig. 6 provides for the embodiment of the present invention three.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment mono-
As shown in Figure 1, the embodiment of the present invention one provides a kind of communication equipment, comprising: rack 9, electric power system and be arranged at the electronic device 4 in described rack 9;
Described rack 9 is provided with electronic lock and cabinet door 8, described electronic lock is used for controlling described cabinet door 8 and opens or closes, described electronic lock comprises: monitoring unit 1, card reader 2 and door lock 3, described card reader 2 is arranged at described rack 9 external surfaces, described card reader 2 is for reading the information of badge, and described information is uploaded to described monitoring unit 1; The described information of described monitoring unit 1 for uploading according to described card reader 2, judge that described badge has or not the authority of opening the door, and in the time that described badge opens the door authority, assign out order to described door lock 3, to open described cabinet door 8, those skilled in the art are to be understood that, in electronic lock, described monitoring unit 1 can be specially CCU (Communication Control Unit, communication controler), PMU (Power Management Unit, PMU), processor, logic circuit etc.;
Described electric power system is provided with the main circuit C1 powering to described electronic device 4 and described monitoring unit 1, described electric power system comprises power supply 7 and battery 5, described power supply 7 and/or described battery 5 power to described electronic device 4 and described monitoring unit 1 by described main circuit C1, wherein, described battery 5 is arranged in described rack 9, and described battery 5 is provided with the bypass circuit C2 being electrically connected with described monitoring unit 1, on described bypass circuit C2, be provided with switch 6, and described switch 6 is positioned at described rack 9 external surfaces, described switch 6 is when stopping when described electric power system powering to described monitoring unit 1 and described electronic device 4 from described main circuit C1, bypass circuit C2 described in conducting, described battery 5 is powered to described monitoring unit 1 by described bypass circuit C2, so that described monitoring unit 1 maintains normal operating conditions, those skilled in the art are to be understood that, described electric power system stops powering to described monitoring unit 1 and described electronic device 4, may or open circuit for described main circuit C1 fault, or may be also mains failure, described power supply 7 can not be stopped power supply from civil power power taking, transferring described battery 5 to powers by described main circuit C1 as standby electric power, further when the voltage of described battery 5 is during lower than described monitoring unit 1 and the required total voltage of the normal work of described electronic device 4, described battery 5 is stopped power supply, but now the voltage of described battery 5 is enough to drive described monitoring unit 1 normally to work separately.
In existing communication equipment, when electric power system stops from main circuit during to the power supply of electronic device and monitoring unit, monitoring unit will quit work, uncontrollable door lock is opened, when on-site maintenance, attendant need to carry a group storage battery and power to monitoring unit to on-the-spot, it is active electron door lock, particularly, need to be by the group storage battery carrying, be connected to the interface for powering to monitoring unit arranging on rack external surface, so that monitoring unit can be controlled opening or closing of door lock, because needs carry battery, make the maintainability of existing communication equipment poor, be unfavorable for increasing work efficiency, in the present embodiment, utilize the battery 5 in rack 9 directly to power to monitoring unit 1 through bypass circuit C2, need not carry aid, improve the maintainability of communication equipment.
Further, in another embodiment of the present invention, as shown in Figures 2 and 3, the relay 10 that to be also provided with described switch 6 on described bypass circuit C2 be relation in parallel, the two ends of described relay 10 are electrically connected with the both sides of described switch 6 respectively, described relay 10 powers on described monitoring unit 1 for working as the described switch 6 of of short duration closure, and after closure, maintains described bypass circuit C2 conducting under described monitoring unit 1 is controlled.
Particularly, described switch 6 can be press button, particularly, while pressing the button, described switch 6 conductings, when release button, described switch 6 disconnects, and the model of described press button can be specially: AP2:CAP & FRAME/AP1:CAP ONLY.
It should be noted that, in the time of the described switch 6 of of short duration closure, described switch 6 can send a switching value signal S1 to described monitoring unit 1, control described relay 10 closures to notify described monitoring unit 1, described monitoring unit 1 receives after described switching value signal S1, controls described relay 10 closures.
Further, after described relay 10 closures, described monitoring unit 1 can also be used for pointing out disconnection described switch 6, for example: described monitoring unit 1 can be controlled a buzzer and sound a buzzer, or, can control a signal lamp that is arranged at described rack 9 external surfaces, disconnect described switch 6 with prompting, or, can also control a voice warning circuit and send the voice message that disconnects described switch 6, on-site maintenance personnel are according to prompting, disconnect described switch 6, now, described battery 5 powers to described monitoring unit 1 by the bypass circuit C2 at described relay 10 places.
Further, the power-on time of assigning unlock command or described battery 5 to described door lock 3 when described monitoring unit 1 exceedes after Preset Time, described monitoring unit 1 is controlled described relay 10 and is disconnected, so that described bypass circuit C2 opens circuit, thereby described battery 5 is stopped power supply, to avoid described battery 5 to exceed maximum depth of discharge and cause damage, it should be noted that, described Preset Time is the time that exceedes maximum depth of discharge according to described battery 5 to described monitoring unit 1 power supply, and, allow stand-by period etc. that on-site maintenance personnel open described cabinet door 8 because of synthetic setting usually, for example: the value of described Preset Time can be 5 minutes, in the time being less than or equal to 5 minutes, described monitoring unit 1 can be opened described cabinet door 8, be greater than after 5 minutes, 1 time electricity of described monitoring unit, quit work, certainly, described Preset Time can also be other values, it within 5 minutes, is only an object lesson, can not be in order to limit the Preset Time of the embodiment of the present invention.
It should be noted that, described relay 10 can be electromagnetic relay, described monitoring unit 1 can impose on by change the voltage of the coil of described electromagnetic relay, control the closed of described electromagnetic relay or disconnect, should know, described relay 10 can also be the relay of other types, as: optical relay, thermal relay etc.
In the present embodiment, described monitoring unit 1 can be by controlling described relay 10 closures or disconnecting, realize described bypass circuit C2 conducting or the automatic control of opening circuit, and then can avoid needing manually controlling described switch 6 and disconnect time, may not disconnect in time, cause described battery 5 to exceed maximum depth of discharge and caused damage.
Embodiment bis-
Based on the communication equipment described in embodiment mono-, as shown in Figure 4, the embodiment of the present invention two provides a kind of electronic lock monitoring system, comprising:
Remote control center 11, and at least one communication equipment, described communication equipment is connected with described remote control center 11 by network, described remote monitoring center 11 is for communication equipment operation described in remote monitoring, for example: described communication equipment can connect described remote monitoring center 11 by Ethernet, and based on ICP/IP protocol (Transmission Control Protocol/Intemet Protocol, transmission control protocol/Internet Interconnection agreement) communicate with described remote monitoring center 11, or described communication equipment can also be by the connection network of the described remote monitoring centers 11 that connect such as RS485 optical cable, realize with described remote monitoring center 11 and communicating, should know, described remote monitoring center 11 can be monitored the running status of described communication equipment, can also manage the unlocking authority of described communication equipment etc.,
Described communication equipment comprises: rack 9, electric power system and be arranged at the electronic device 4 in described rack 9;
Described rack 9 is provided with electronic lock and cabinet door 8, described electronic lock is used for controlling described cabinet door 8 and opens or closes, described electronic lock comprises: monitoring unit 1, card reader 2 and door lock 3, described card reader 2 is arranged at described rack 9 external surfaces, described card reader 2 is for reading the information of badge, and described information is uploaded to described monitoring unit 1, the described information of described monitoring unit 1 for uploading according to described card reader 2, judge that described badge has or not the authority of opening the door, with when described badge is in the time that authority is opened the door in 1 judgement of described monitoring unit, assign unlock command to described door lock 3, and when described badge is in the time that described monitoring unit 1 judgement nothing is opened the door authority, described information reporting is given described remote monitoring center 11 by described monitoring unit 1, and further judged by described remote monitoring center 11, if when described badge opens the door authority through 11 judgements of described Surveillance center, described remote monitoring center 11 is controlled described monitoring unit 1 and is assigned unlock command to described door lock 3, those skilled in the art should know, the authority of opening the door that described remote monitoring center 11 is managed, the authority of opening the door that conventionally can judge than described monitoring unit 1 is many, therefore, described monitoring unit 1 be judged as without the badge informational needs of authority of opening the door report described remote monitoring center 11 further judgement have or not the authority of opening the door,
Described electric power system is provided with the main circuit C1 powering to described electronic device 4 and described monitoring unit 1, described electric power system comprises power supply 7 and battery 5, described power supply 7 or described battery 5 power to described electronic device 4 and described monitoring unit 1 by described main circuit C1, wherein, described battery 5 is arranged in described rack 9, and described battery 5 is provided with the bypass circuit C2 being electrically connected with described monitoring unit 1, on described bypass circuit C2, be provided with switch 6, and described switch 6 is positioned at described rack 9 external surfaces, described switch 6 is when stopping when described electric power system powering to described monitoring unit 1 and described electronic device 4 from described main circuit C1, bypass circuit C2 described in conducting, described battery 5 is powered to described monitoring unit 1 by described bypass circuit C2, so that described monitoring unit 1 maintains normal operating conditions.
In the electronic lock monitoring system of the present embodiment, in the time that electric power system stops powering to electronic device 4 and monitoring unit 1 from main circuit C1, on-site maintenance personnel can make the monitoring unit 1 in rack 9 maintain normal operating conditions without carrying battery, realize the activation of electronic lock, compared to existing technology, improved communication equipment maintainability.
In the present embodiment, it should be noted that, described communication equipment can adopt the way of realization of embodiment mono-, the feature of the technical characterictic of described communication equipment in can reference example one.
Embodiment tri-
As shown in Figure 5, the embodiment of the present invention three also provides a kind of active electron door lock method, comprising:
S301, Closing Switch, conducting bypass circuit, makes the battery in rack power to described monitoring unit by described bypass circuit;
S302, the badge information that described monitoring unit reports according to card reader, judges that described badge has or not the authority of opening the door, while opening the door authority, described monitoring unit is assigned unlock command to door lock.
The method of the present embodiment can be after electricity under communication equipment, be electric power system stop from main circuit to the power supply of electronic device and monitoring unit, because monitoring unit quits work, uncontrollable door lock is opened, when on-site maintenance, switch described in can manual closing, bypass circuit described in conducting, to utilize the battery activation electronic lock in rack, compared to existing technology, do not need to carry the aids such as battery, improved the maintainability of communication equipment.
In the present embodiment, further, described method also comprises:
S303, the power-on time of assigning unlock command or described battery to described door lock when described monitoring unit exceedes after Preset Time, disconnects described switch so that described bypass circuit opens circuit.
What need to further illustrate is, if battery to monitoring unit power supply, may make battery exceed maximum depth of discharge and be damaged for a long time, adopt the method for the present embodiment, manually disconnect described switch so that described bypass circuit opens circuit, can avoid battery over-discharge and cause damage.
In another embodiment, as shown in Figure 6, in described step S301, specifically can comprise:
S301A, the described switch of of short duration closure, powers on monitoring unit;
S301B, described monitoring unit control relay closure, maintains bypass circuit conducting, and the battery in rack is powered to described monitoring unit by described bypass circuit;
S301C, described monitoring unit prompting disconnects described switch.
Further, after described step S302, can also comprise:
S303A, the power-on time of assigning unlock command or described battery to described door lock when described monitoring unit exceedes after Preset Time, described in described monitoring unit control, relay disconnects, so that described bypass circuit opens circuit, described battery is stopped to described monitoring unit power supply.
It should be noted that, in the time the relay that is relation in parallel with described switch being set on described bypass circuit, automatically controlling described relay by described monitoring unit disconnects, can avoid manually controlling described switch 6 and disconnect time, may, because not disconnecting in time, cause described battery 5 to exceed maximum depth of discharge and caused damage.
Be understandable that, the correlated characteristic reference mutually of embodiment mono-, embodiment bis-and embodiment tri-, in addition, above-described embodiment does not represent most preferred embodiment of the present invention.
Be to be understood that; specific embodiment described herein is only common embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all; any amendment of doing, be equal to replacement, improvement etc., within protection scope of the present invention all should be included in.
Claims (12)
1. a communication equipment, is characterized in that, comprising: rack, electric power system and be arranged at the electronic device in described rack;
Described rack is provided with electronic lock and cabinet door, described electronic lock is used for controlling described cabinet door and opens or closes, described electronic lock comprises: monitoring unit, card reader and door lock, described card reader is arranged at described rack external surface, described card reader is used for reading the information of badge, and described information is uploaded to described monitoring unit; The described information of described monitoring unit for uploading according to described card reader, judges that described badge has or not the authority of opening the door, and in the time that described badge opens the door authority, assigns unlock command to described door lock;
Described electric power system is provided with the main circuit to described electronic device and the power supply of described monitoring unit, described electric power system comprises power supply and battery, described power supply and/or described battery are given described electronic device and the power supply of described monitoring unit by described main circuit, described battery is positioned at described rack, and described battery is provided with the bypass circuit being electrically connected with described monitoring unit, on described bypass circuit, be provided with switch, and described switch is positioned at described rack external surface, described switch is when stopping when described electric power system powering to described monitoring unit and described electronic device from described main circuit, bypass circuit described in conducting, described battery is powered to described monitoring unit by described bypass circuit.
2. communication equipment as claimed in claim 1, it is characterized in that, the relay that to be also provided with described switch on described bypass circuit be relation in parallel, described relay is for powering on described monitoring unit when the described switch of of short duration closure, and after closure, maintain described bypass circuit conducting under the control of described monitoring unit.
3. communication equipment as claimed in claim 2, is characterized in that, described monitoring unit also, for when after described relay closes, is pointed out and disconnected described switch.
4. communication equipment as claimed in claim 3, it is characterized in that, described monitoring unit also exceedes after Preset Time for the power-on time of assigning unlock command or described battery to described door lock when described monitoring unit, controls described relay and disconnects, so that described bypass circuit opens circuit.
5. an electronic lock monitoring system, is characterized in that, comprising:
Remote control center, and at least one communication equipment, described communication equipment is connected with described remote control center by network, and described remote monitoring center is used for monitoring described communication equipment operation;
Described communication equipment comprises: rack, electric power system and be arranged at the electronic device in described rack;
Described rack is provided with electronic lock and cabinet door, described electronic lock is used for controlling described cabinet door and opens or closes, described electronic lock comprises: monitoring unit, card reader and door lock, described card reader is arranged at described rack external surface, described card reader is used for reading the information of badge, and described information is uploaded to described monitoring unit, the described information of described monitoring unit for uploading according to described card reader, judge that described badge has or not the authority of opening the door, with when described badge is in the time that authority is opened the door in the judgement of described monitoring unit, assign unlock command to described door lock, and when described badge is in the time that described monitoring unit judgement nothing is opened the door authority, described information reporting is given described remote monitoring center by described monitoring unit, and further judged by described remote monitoring center, in the time that authority is opened the door in the judgement of described Surveillance center, described in described remote monitoring center control, monitoring unit is assigned unlock command to described door lock,
Described electric power system is provided with the main circuit to described electronic device and the power supply of described monitoring unit, described electric power system comprises power supply and battery, described power supply or described battery are given described electronic device and the power supply of described monitoring unit by described main circuit, described battery is positioned at described rack, and described battery is provided with the bypass circuit being electrically connected with described monitoring unit, on described bypass circuit, be provided with switch, and described switch is positioned at described rack external surface, described switch is when stopping when described electric power system powering to described monitoring unit and described electronic device from described main circuit, bypass circuit described in conducting, described battery is powered to described monitoring unit by described bypass circuit.
6. electronic lock monitoring system as claimed in claim 5, it is characterized in that, the relay that to be also provided with described switch on described bypass circuit be relation in parallel, described relay is for powering on described monitoring unit when the described switch of of short duration closure, and after closure, maintain described bypass circuit conducting under the control of described monitoring unit.
7. electronic lock monitoring system as claimed in claim 6, is characterized in that, described monitoring unit also, for when after described relay closes, is pointed out and disconnected described switch.
8. electronic lock monitoring system as claimed in claim 7, it is characterized in that, described monitoring unit also exceedes after Preset Time for the power-on time of assigning unlock command or described battery to described door lock when described monitoring unit, control described relay and disconnect, so that described bypass circuit opens circuit.
9. a method that activates the electronic lock in the described electronic lock monitoring system of one of claim 5-8, is characterized in that, comprising:
Closing Switch, conducting bypass circuit, makes the battery in rack power to described monitoring unit by described bypass circuit;
The badge information that described monitoring unit reports according to card reader, judges that described badge has or not the authority of opening the door, and while opening the door authority, described monitoring unit is assigned unlock command to door lock.
10. method as claimed in claim 9, is characterized in that, described method also comprises:
The power-on time of assigning unlock command or described battery to described door lock when described monitoring unit exceedes after Preset Time, disconnects described switch so that described bypass circuit opens circuit.
11. methods as claimed in claim 9, is characterized in that, described Closing Switch, and conducting bypass circuit, makes the battery in rack specifically comprise to the step of described monitoring unit power supply by described bypass circuit:
The described switch of of short duration closure, powers on monitoring unit;
Described monitoring unit control relay closure, maintains bypass circuit conducting, and the battery in rack is powered to described monitoring unit by described bypass circuit;
Described monitoring unit prompting disconnects described switch.
12. methods as claimed in claim 11, it is characterized in that the badge information reporting according to card reader at described monitoring unit judges that described badge has or not the authority of opening the door, while opening the door authority, described monitoring unit also comprises after door lock is assigned the step of unlock command:
The power-on time of assigning unlock command or described battery to described door lock when described monitoring unit exceedes after Preset Time, described in described monitoring unit control, relay disconnects, so that described bypass circuit opens circuit, described battery is stopped to described monitoring unit power supply.
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| CN201110444992.3A CN102518341B (en) | 2011-12-27 | 2011-12-27 | Communication device, electronic door lock monitoring system and method for activating electronic door lock |
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| CN201110444992.3A CN102518341B (en) | 2011-12-27 | 2011-12-27 | Communication device, electronic door lock monitoring system and method for activating electronic door lock |
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| CN102518341B true CN102518341B (en) | 2014-06-25 |
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| CN104123767A (en) * | 2014-06-13 | 2014-10-29 | 江苏省电力公司江阴市供电公司 | Low-power-consumption access system for cabinet of power distribution station |
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| EP0601333A1 (en) * | 1992-12-05 | 1994-06-15 | Blaupunkt-Werke GmbH | Device for automatically switching off a car radio |
| CN1289883A (en) * | 2000-07-14 | 2001-04-04 | 科思达计算机系统（北京）有限公司 | Induction-type electronic door lock with key card made by user |
| CN2882080Y (en) * | 2006-03-08 | 2007-03-21 | 上海真灼电子技术有限公司 | Emergency power supply device for opening IC card door lock |
| CN201588459U (en) * | 2009-12-21 | 2010-09-22 | 中兴通讯股份有限公司 | Electronic door lock |
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