CN101839955A - Network video coder for realizing power failure alarm and method for monitoring power failure - Google Patents
Network video coder for realizing power failure alarm and method for monitoring power failure Download PDFInfo
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Abstract
The invention discloses a network video coder for realizing power failure alarm and a method for monitoring power failure. The coder comprises a 220V power supply interface (6), a booster circuit and an energy-storage capacitor (1), a monitoring circuit (2), a power supply conversion circuit (7), a video interface circuit (8), various data signal interface circuits (9), an embedded processor circuit (10) and a network interface circuit (11), wherein the video interface circuit (8), the various data signal interface circuits (9) and the network interface circuit are connected with the embedded processor circuit (10) respectively; the 220V power supply interface (6) is connected with the embedded processor circuit (10) through the monitoring circuit (2); the 220V power supply interface (6) is connected with the input end of the power supply conversion circuit (7) through the booster circuit and the energy-storage capacitor; and the output end of the power supply conversion circuit is connected with the power supply end of the embedded processor circuit (10). The method can accurately report the power failure alarm information of a front-end monitoring point to a management and maintenance platform in real time and improve the work efficiency.
Description
Technical field
The present invention is a kind of video encoder, especially a kind of network video coder of realizing alarm for power-off.
Background technology
Network video coder based on the IP technology generally is deployed in the control point, be used to realize front end digitizing and networking, insert central management platform by IP network, be used to realize the control of collection, coding, transmission and the peripherals (as video camera, The Cloud Terrace, matrix etc.) of control point audiovisual information and warning message.They are distributed in each public security complex area and critical junction, need arrive each control point when safeguarding and carry out, and maintenance is very big.Along with the construction of large-scale safety defense monitoring systems such as " safe cities ", the position, control point of network video coder is more and more, and the zone of distribution more and more widely, and is also increasing to their maintenance.Existing network video coder does not have the alarm for power-off function, because control point outage can't operate as normal the time, the maintainer can't confirm whether fault is owing to due to the control point outage, safeguard very inconvenient when them.
Summary of the invention
Technical matters: technical matters to be solved by this invention is: overcome the deficiency that existing network video coder does not have the alarm for power-off function, a kind of network video coder of alarm for power-off and method of monitoring outage of realizing is provided, reduce the work of maintenance personnel amount.
Technical scheme: for solving the problems of the technologies described above, the basic design philosophy of the present invention is: the power module of network video coder can be kept the power supply certain hour behind the 220V power cut-off, guarantee that during this period of time it can operate as normal, primary processor reports the outage message that pre-defines to give management and maintenance platform by existing communication link after detecting alarm for power-off information.
Based on above-mentioned design philosophy, the present invention provides a kind of network video coder of realizing alarm for power-off by the following technical solutions.This scrambler comprises 220V power interface, booster circuit and storage capacitor, observation circuit, power-switching circuit, video interface circuit, various data signal interfaces circuit, flush bonding processor circuit network interface circuit; Wherein: video interface circuit, various data signal interfaces circuit, network interface circuit flush bonding processor circuit, the 220V power interface connects the input end of power-switching circuit, the power end of its circuit of output termination embedded processing of power-switching circuit by booster circuit and storage capacitor.Booster circuit is used for the 220V power supply is boosted to high voltage; The power supply that provides the alarm for power-off function required is provided storage capacitor, storage capacitor be one or more storage capacitors combination.The capacity of storage capacitor C in booster circuit and the storage capacitor is determined according to the time that network video coder outage back realization alarm for power-off function needs, particularly, is determined the capacity C of storage capacitor by following formula:
Wherein, P is the power consumption of network video coder and the power consumption sum of power module self, and T is for realizing alarm for power-off required time of function, V
HBe the high pressure of booster circuit output, V
LFor power transfer module can operate as normal minimum.
The method of the monitoring outage of the network video coder of realization alarm for power-off comprises the following steps:
Steps A. beginning, i.e. flow process starting point;
Step B. network video coder is finished the initialization procedure of software and hardware, and the operation real-time multi-task operating system starts the timed task of regularly inquiring about the alarm for power-off signal according to functional requirement then;
Step C. flush bonding processor circuit (10) is discerned the alarm for power-off signal, if confirm the 220V power cut-off through sampling repeatedly, and execution in step D then, otherwise execution in step E;
Step D, when the timed task of regularly inquiring about the alarm for power-off signal monitored the 220V power cut-off, the flush bonding processor circuit reported the alarm for power-off message that pre-defines to give management and maintenance platform by network interface circuit; For improving reliability, the flush bonding processor circuit can repeatedly send by network interface circuit in the time that power supply is kept;
Step e does not monitor the 220V power cut-off, carries out normal data processing, the compressed encoding that comprises vision signal, and, do information interaction by inserting crosspoint and management and maintenance platform together with sound signal, RS485 signal, RS232 signal and switching value signal, finish.
Network video coder inserts crosspoint, and management and maintenance platform has wherein partly increased booster circuit at the network video coder power module, storage capacitor and observation circuit.Network video coder links to each other with the access crosspoint by optical fiber or twisted-pair feeder, inserts crosspoint and links to each other with management and maintenance platform by twisted-pair feeder.
The major function of network video coder is: vision signal is done digital-to-analog conversion and compressed encoding, and (include but not limited to sound signal together with various data-signals, the RS485 signal, RS232 signal and switching value signal) do information interaction by inserting crosspoint and management and maintenance platform.
The major function that inserts crosspoint is: vision signal and various data-signal (including but not limited to sound signal, RS485 signal, RS232 signal, the switching value signal) information interaction passage with management and maintenance platform is provided.
The major function of management and maintenance platform is: be responsible for the resource management allotment of video monitoring system, management maintenance work such as rights management and fault management, and the duty of real-time display system each several part.
Booster circuit, the major function of storage capacitor and observation circuit is: booster circuit boosts to high voltage with the 220V power supply that inserts, storage capacitor provides the alarm for power-off function required power supply, observation circuit is used for monitoring the state of 220V power supply, behind the 220V power cut-off, produce the alarm for power-off signal and give network video coder, send into management and maintenance platform and shown in real time by inserting crosspoint then, the maintainer just can find that disconnection fault also in time handles like this.The capacity of storage capacitor is determined according to the time that network video coder outage back realization alarm for power-off function needs, particularly, is determined the capacity C of storage capacitor by following formula:
Wherein, P is the power consumption of network video coder and the power consumption sum of power module self, and T is for realizing alarm for power-off required time of function, V
HBe the high pressure of booster circuit output, V
LFor power transfer module can operate as normal minimum.
Beneficial effect: adopt alarm for power-off network video coder of the present invention, compare with existing network video coder, can promptly and accurately front end control point alarm for power-off information be reported management and maintenance platform, reduce the work of maintenance personnel amount, improve their work efficiency.
Description of drawings
Fig. 1 is the system chart of the embodiment of the invention.
Fig. 2 is the theory diagram of the embodiment of the invention.
Fig. 3 is the process flow diagram that the alarm for power-off of the embodiment of the invention is handled.
Embodiment
The present invention is described in further detail below in conjunction with drawings and Examples:
Fig. 1 is the system chart of the embodiment of the invention, there is shown network video coder 3, insert crosspoint 4, management and maintenance platform 5, wherein partly increased booster circuit and big electric capacity 1 of energy storage and observation circuit 2 at network video coder, storage capacitor be one or more storage capacitors combination.
Fig. 2 is the theory diagram of the embodiment of the invention, and this scrambler comprises 220V power interface, booster circuit and storage capacitor, observation circuit, power-switching circuit, video interface circuit, various data signal interfaces circuit, flush bonding processor circuit, network interface circuit; Wherein: video interface circuit, various data signal interfaces circuit, network interface circuit are connected with its circuit of embedded processing respectively; The 220V power interface connects the flush bonding processor circuit by observation circuit, and the 220V power interface connects the input end of power-switching circuit, the power end of its circuit of output termination embedded processing of power-switching circuit by booster circuit and storage capacitor.The 220V power supply inserts booster circuit 1 by 220V power interface 6 and boosts to high voltage, and utilize storage capacitor to provide the alarm for power-off function required power supply, send into power-switching circuit then and produce the needed voltage of network video coder, simultaneously, observation circuit 2 monitoring 220V power supplys, if 220V power cut-off then produce the alarm for power-off signal, flush bonding processor circuit 10 reports the alarm for power-off message that pre-defines to give management and maintenance platform by network interface circuit 11 after detecting alarm for power-off information.Video interface circuit 7 is used for incoming video signal, and gives flush bonding processor circuit 10 and do compressed encoding.Various data signal interfaces circuit 8 are used for realizing the input and output of various data-signals (comprise but do not limit the fourth sound signal, RS485 signal, RS232 signal and switching value signal) etc.
Fig. 3 is the process flow diagram that the alarm for power-off of the embodiment of the invention is handled, comprising following steps:
Steps A, beginning, i.e. flow process starting point.
Step B, network video coder finish the initialization procedure of software and hardware, and the operation real-time multi-task operating system starts a plurality of tasks according to functional requirement then, comprising the timed task of regularly inquiring about the alarm for power-off signal.
Step C, the flush bonding processor circuit is discerned the alarm for power-off signal, if confirm the 220V power cut-off through repeatedly sampling, then execution in step 4, otherwise execution in step 5.
Step D, when the timed task of regularly inquiring about the alarm for power-off signal monitored the 220V power cut-off, the flush bonding processor circuit reported the alarm for power-off message that pre-defines to give management and maintenance platform by network interface circuit.In order to improve reliability, the flush bonding processor circuit can repeatedly send by network interface circuit in the time that power supply is kept.
Step e, do not monitor the 220V power cut-off, carry out normal data processing, comprise the video compressed encoding of signal frequently, and (include but not limited to sound signal together with various data-signals, the RS485 signal, RS232 signal and switching value signal) do information interaction by inserting crosspoint and management and maintenance platform.
Step F finishes.
Claims (3)
1. a network video coder of realizing alarm for power-off is characterized in that this scrambler comprises 220V power interface (6), booster circuit and storage capacitor (1), observation circuit (2), power-switching circuit (7), video interface circuit (8), various data signal interfaces circuit (9), flush bonding processor circuit (10), network interface circuit (11); Wherein: video interface circuit (8), various data signal interfaces circuit (9), network interface circuit (11) are connected with its circuit of embedded processing (10) respectively; 220V power interface (6) connects flush bonding processor circuit (10) by observation circuit (2), 220V power interface (6) connects the input end of power-switching circuit (7), the power end of its circuit of output termination embedded processing (10) of power-switching circuit (7) by booster circuit and storage capacitor (1).
2. a kind of network video coder of realizing alarm for power-off according to claim 1, it is characterized in that, the capacity of storage capacitor C in booster circuit and the storage capacitor (1) was determined according to the time that network video coder outage back realization alarm for power-off function needs, particularly, determine the capacity C of storage capacitor by following formula:
Wherein, P is the power consumption of network video coder and the power consumption sum of power module self, and T is for realizing alarm for power-off required time of function, V
HBe the high pressure of booster circuit output, V
LFor power transfer module can operate as normal minimum.
3. the method for the monitoring outage of a kind of network video coder of realizing alarm for power-off according to claim 1 is characterized in that this method comprises the following steps:
Steps A. beginning, i.e. flow process starting point;
Step B. network video coder is finished the initialization procedure of software and hardware, and the operation real-time multi-task operating system starts the timed task of regularly inquiring about the alarm for power-off signal according to functional requirement then;
Step C. flush bonding processor circuit (10) is discerned the alarm for power-off signal, if confirm the 220V power cut-off through sampling repeatedly, and execution in step D then, otherwise execution in step E;
Step D, when the timed task of regularly inquiring about the alarm for power-off signal monitored the 220V power cut-off, the flush bonding processor circuit reported the alarm for power-off message that pre-defines to give management and maintenance platform by network interface circuit; In order to improve reliability, the flush bonding processor circuit can repeatedly send by network interface circuit in the time that power supply is kept;
Step e, do not monitor the 220V power cut-off, carry out normal data processing, comprise the compressed encoding of vision signal, and, do information interaction by inserting crosspoint and management and maintenance platform together with sound signal, RS485 signal, RS232 signal and switching value signal;
Step F finishes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010145455 CN101839955B (en) | 2010-04-09 | 2010-04-09 | Network video coder for realizing power failure alarm and method for monitoring power failure |
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| CN 201010145455 CN101839955B (en) | 2010-04-09 | 2010-04-09 | Network video coder for realizing power failure alarm and method for monitoring power failure |
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| CN101839955A true CN101839955A (en) | 2010-09-22 |
| CN101839955B CN101839955B (en) | 2012-08-08 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102307367A (en) * | 2011-08-18 | 2012-01-04 | 大唐移动通信设备有限公司 | Communication equipment and power failure alarming method |
| CN106327836A (en) * | 2016-09-13 | 2017-01-11 | 成都慧农信息技术有限公司 | Camera based on online monitoring and uploading of power supply state and network state |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101247283A (en) * | 2008-02-18 | 2008-08-20 | 北京润光泰力科技发展有限公司 | Network appliance power-down detecting method and system |
| CN201230199Y (en) * | 2008-07-15 | 2009-04-29 | 北京市研祥兴业国际智能科技有限公司 | Power-down protection circuit |
-
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101247283A (en) * | 2008-02-18 | 2008-08-20 | 北京润光泰力科技发展有限公司 | Network appliance power-down detecting method and system |
| CN201230199Y (en) * | 2008-07-15 | 2009-04-29 | 北京市研祥兴业国际智能科技有限公司 | Power-down protection circuit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102307367A (en) * | 2011-08-18 | 2012-01-04 | 大唐移动通信设备有限公司 | Communication equipment and power failure alarming method |
| CN106327836A (en) * | 2016-09-13 | 2017-01-11 | 成都慧农信息技术有限公司 | Camera based on online monitoring and uploading of power supply state and network state |
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| CN101839955B (en) | 2012-08-08 |
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Owner name: JIANGSU DONGDA JINZHI INFORMATION SYSTEM CO., LTD. Free format text: FORMER NAME: JIANGSU WISCOM SYSTEM CO., LTD. |
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Address after: 211100, No. 100, general road, Jiangning Economic Development Zone, Jiangsu, Nanjing Patentee after: WISCOM SYSTEM CO., LTD. Address before: 212213, No. 100, general road, Jiangning economic and Technological Development Zone, Nanjing, Jiangsu Patentee before: Jiangsu Wiscom System Co., Ltd. |