Classifications

• • G—PHYSICS
  • G08—SIGNALLING
  • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
  • G08B13/00—Burglar, theft or intruder alarms
  • G08B13/22—Electrical actuation

Definitions

• the present invention relates to the field of communications technologies, and in particular, to a method and system for anti-theft of a base station device. Background technique
• Mobile base stations are generally placed in the operator's computer room. Each base station is generally equipped with a battery, a ground row, a power supply rejection device, and the like.
• the computer room is unattended for most of the time, which will cause the base station equipment to be stolen frequently. For example, if the ground row is stolen, the equipment may be damaged by lightning strikes, and if the battery is stolen, the station may be dropped. , further causing significant economic losses and seriously affecting the user experience.
• the object of the present invention is to provide a method and system for anti-theft of a base station device, which can better solve the problem that the anti-theft system used in the prior art independently of the base station basic device is complicated to implement, is not conducive to real-time monitoring, and the base station device is The problem of high cost of anti-theft maintenance.
• a method for anti-theft of a base station device the device to be monitored is connected to a switch quantity conversion unit, the method further comprising:
• the switch quantity conversion unit converts the status signal of the monitored device into a switch quantity signal. number
• the switch quantity signal is sent to a dry node in the dry node access module of the indoor baseband processing unit BBU, and the switch quantity signal is used as a dry node status signal of the dry node;
• the method for converting the state signal of the monitored device into the switch signal is: the switch amount conversion unit generates a corresponding switch signal according to the change of the input state signal.
• the method for generating a corresponding switch quantity signal by the relay is: generating an open state signal or a closed state signal according to the change of the state signal;
• the switch quantity converting unit is an optocoupler circuit
• the method for generating the corresponding switch quantity signal by the optocoupler circuit is: generating a switch quantity signal that is positively correlated with the change of the state signal according to the change of the state signal.
• step C after collecting the dry node status signal, the method further includes: transmitting, by the independent channel, the dry node status signals obtained by the collection.
• step C after the alarm information is generated, the alarm time and the alarm location are further recorded.
• a base station device anti-theft system includes a monitored device, a base station controller, and a network management center, and the system further includes:
• a switching amount conversion unit configured to convert a status signal of the monitored device into a switching signal, and output the signal to the BBU;
• the BBU is configured to receive the switch quantity signal and use it as a dry node status signal of a dry node; and collect the dry node status signal and send it to the network management center through the base station controller, triggering the network management center to An alarm message is generated when the dry node status signal is abnormal.
• the switch quantity conversion unit converts the state signal of the monitored device into a switch quantity signal, and is used for: generating a corresponding switch quantity signal according to the change of the input state signal.
• the switch quantity conversion unit When the switch quantity conversion unit is a relay, the relay generates a corresponding switch quantity signal And configured to: generate an on state signal or a off state signal according to the change of the state signal;
• the optocoupler circuit When the switch quantity conversion unit is an optocoupler circuit, the optocoupler circuit generates a corresponding switch quantity signal, and is configured to: generate a switch quantity signal that is positively correlated with the change of the state signal according to the change of the state signal.
• the BBU includes a monitoring subunit, and the monitoring subunit includes:
• a dry node access module configured to receive the digital signal to the dry node, and use the digital signal as a dry node status signal of the dry node
• a dry node status collection module is used to collect the dry node status signals.
• the BBU is further configured to: after collecting the dry node status signal, send the dry node status signals obtained by the collection by separate channels;
• the present invention realizes the conversion of the state signal of the base station device into the dry node access of the indoor baseband processing unit (BBU) monitoring subunit through the switch quantity conversion unit.
• the switch signal that can be recognized by the module directly realizes the real-time monitoring and anti-theft function of the base station device by using the monitoring function of the monitoring sub-unit, and does not need to design a monitoring system separately from the base station device, and the operation and maintenance are simple and the cost is saved.
• FIG. 1 is a flowchart of a method for preventing theft of a base station device according to an embodiment of the present invention
• FIG. 2 is a schematic diagram of a module of a base station device anti-theft system according to an embodiment of the present invention
• FIG. 3a and FIG. A schematic diagram of a specific implementation of a switch quantity conversion unit when the monitored device is an outdoor ground;
• FIGS. 4a and 4b are schematic diagrams showing a specific implementation of a switching amount conversion unit when the monitored device is a battery according to an embodiment of the present invention. detailed description
• FIG. 1 is a flowchart of a method for preventing theft of a base station device according to an embodiment of the present invention. As shown in FIG. 1, the method includes the following steps:
• Step S101 The device to be monitored is connected to the switch quantity conversion unit, and the switch quantity conversion unit converts the input state signal of the monitored device into a switch quantity signal, and outputs the signal.
• the switch quantity conversion unit generates a corresponding switch quantity signal according to the change of the input state signal, and outputs, specifically, when the switch quantity conversion unit is a relay, the relay changes according to the state signal. And generating an on-state signal or an off-state signal; when the switch-quantity conversion unit is an optocoupler circuit, the optocoupler circuit generates a switch-signal signal that is positively correlated with the state signal change according to the change of the state signal, where The status signal is a voltage value or a current value.
• the device to be monitored may be one or more of an outdoor floor, a battery, a door, and a power source.
• Step S102 Send the switch quantity signal to a dry node in a dry node access module of the BBU, and use the switch quantity signal as a dry node status signal of the dry node.
• Step S103 Collect the dry node status signals of the dry nodes and send the collected plurality of dry node status signals through the independent channels when the dry node status signals are multiple.
• Step S104 The network management center receives the dry node status signal sent in step S103, and determines whether the received dry node status signal is normal. If yes, step S103 is performed; otherwise, step S105 is performed. Step S105: When the dry node status signal is abnormal, an alarm information is generated.
• the network management center when the status signal of the dry node is abnormal, the network management center generates alarm information, and can further record the alarm time and the alarm location.
• FIG. 2 is a schematic block diagram of a base station device anti-theft system according to an embodiment of the present invention.
• the system includes a monitored device 10, a monitored device 11, a digital conversion unit 20, an indoor baseband processing unit BBU 30, a base station controller 40, and a network management center 50.
• the monitored device may be one or more
• the BBU 30 includes a monitoring subunit 31, and the monitoring subunit 31 further includes a dry node access module 311 and a dry node state set module 312.
• the monitored device 10 and the monitored device 11 are connected to the switch amount conversion unit 20, and the switch amount conversion unit 20 converts the input state signal of the monitored device into a switch signal, and sends the switch signal to the monitor subunit 31.
• the node access module 311 is used as a dry node status signal of each of the dry nodes in the dry node access module 311, wherein the switch quantity converting unit 20 generates a corresponding switch quantity signal according to the change of the input state signal, and outputs the Specifically, when the switch quantity converting unit 20 is a relay, the relay generates an open state signal or a closed state signal according to the change of the state signal; when the switch quantity converting unit 20 is an optocoupler circuit, The optocoupler circuit generates a binary signal that is positively correlated with the change of the state signal according to the change of the state signal, wherein the state signal is a voltage value or a current value.
• the dry node status collection module 312 collects the dry node status signals of the dry nodes in the dry node access module 311 in real time, and stores them in a register, and the BUU reads the dry node status signal in the register and sends the status signal to the dry node through the transmission line.
• the base station controller 40 is finally sent to the network management center 50.
• the network management center 50 can set an alarm status signal when the dry node is abnormal, and the received dry node is based on the preset alarm status signal when the dry node is abnormal. The status signal is judged. When the status signal of the dry node is abnormal, an alarm message is generated, and the alarm event and the alarm location are further recorded.
• FIG. 3a and FIG. 3b show a specific implementation of the switch quantity conversion unit of the outdoor device in the monitored device according to the embodiment of the present invention, wherein the switch quantity conversion unit in FIG. 3a is realized by a relay, and the switch quantity conversion unit in FIG. 3b passes the light. Coupling circuit implementation.
• the power source 103, the resistor 102 and the outdoor ground row 101 are sequentially connected in series, and are divided by a resistor 102 to the relay 211 to provide an input of the operating power of the relay 211 and the status signal of the outdoor ground row 101, and the relay 211 and the dry node are connected.
• Modules 311 (not shown) are connected.
• the outdoor row 101 is grounded normally (ie, its ground resistance is within an acceptable range)
• the voltage value on the resistor 102 is also within the operating range of the relay 211.
• the working state of the relay 211 does not change, and the corresponding input signal to the dry node access module 311 does not change, that is, the corresponding dry node state signal does not change, so the network management center 50 determines the received dry node.
• the status signal is normal and no alarm information is generated.
• the switch signal of the node access module 311 is changed, that is, the corresponding dry node state signal is changed,
• the dry state of the node 50 transmits a signal, received by the network management center 50 determines whether or dry contact status signal changes to the network management center, if the alarm information is generated, and further recording the time alarm and alarm locations.
• the voltage on the resistor 102 is input to the relay 211 as a state signal of the outdoor ground row, so that when the ground resistance of the outdoor ground row is excessively large, the relay 211 is realized.
• the working status also changes, and corresponding alarm information is generated.
• the switching amount conversion unit can also be implemented by an optocoupler circuit (shown in FIG. 3b).
• the switching amount conversion unit is the optocoupler circuit 212
• the state signal input to the optocoupler circuit 212 changes
• the optocoupler circuit 212 generates a digital signal that is positively correlated with the change, and Output to the dry node access module 311, so the corresponding dry node status signal changes, the dry node status signal is transmitted to the network management center 50, and the network management center 50 determines whether the received dry node status signal changes, and if so Generate alarm information and further record the alarm time and alarm location.
• FIG. 4a and FIG. 4b show a specific implementation of the switch quantity conversion unit of the battery to be monitored according to the embodiment of the present invention, wherein the switch quantity conversion unit of FIG. 4a is realized by a relay, and the switch quantity conversion unit of FIG. 4b passes the optocoupler circuit. achieve.
• all the batteries of the base station are connected in parallel to obtain a battery 111 and a resistor 112 in series, and the internal resistance of the battery 111 is divided by the resistor 112 to provide an input of the working power of the relay 221 and the state signal of the battery 111, and the relay 221 Connected to the dry node access module 311 (not shown), when the battery 111 is operating normally, the voltage value on the resistor 112 is also within the operating range of the relay 202, and the operating state of the relay 221 does not change.
• the corresponding input signal to the dry node access module 311 does not change, that is, the corresponding dry node status signal does not change, so the network management center 50 determines that the received dry node status signal is normal, and does not generate alarm information;
• the corresponding input signal to the dry node access module 311 will also change Change, that is, the corresponding dry node status signal changes, the dry node status signal is transmitted to the network management center 50, and the network management center 50 determines whether the received dry node status signal changes, and if so, generates alarm information, and further Record the alarm time and alarm location.
• the battery is directly connected to the relay and connected to the relay, and the switch output of the relay is connected to the dry contact access module of the BBU, and the battery is monitored by the function of the dry node of the BBU.
• the switching amount conversion unit can also be realized by an optocoupler circuit (shown in FIG. 4b).
• the digital conversion circuit is the optocoupler circuit 222
• the optocoupler circuit 222 when the state signal input to the optocoupler circuit 222 changes, the optocoupler circuit 222 generates a switch signal that is positively correlated with the change, and outputs the switch signal to the dry node for access.
• Module 311 the corresponding dry node status signal is changed, the dry node status signal is transmitted to the network management center 50, and the network management center 50 determines whether the received dry node status signal changes, and if so, generates alarm information, and further Record the alarm time and alarm location.
• the present invention realizes that the dry node access module capable of converting the state signal of the base station device into the BBU monitoring subunit can be realized by designing a simple switching amount conversion unit (through a relay, an optocoupler circuit or the like).
• the switch signal directly realizes the real-time monitoring and anti-theft function of the base station device by using the monitoring function of the monitoring sub-unit, and the monitoring system is not separately designed separately from the base station device, and the operation and maintenance are simple and the cost is saved.

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• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Alarm Systems (AREA)
• Burglar Alarm Systems (AREA)
• Mobile Radio Communication Systems (AREA)

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Citations (7)

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• 2010
  • 2010-05-20 CN CN201010179828A patent/CN101840612A/zh active Pending
• 2011
  • 2011-05-16 BR BR112012029245A patent/BR112012029245A2/pt not_active Application Discontinuation
  • 2011-05-16 WO PCT/CN2011/074104 patent/WO2011144009A1/zh active Application Filing

Patent Citations (7)

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