CN103200395B - A kind of intelligent newspapers barrier optical transmitter and receiver and network management client end system thereof - Google Patents
A kind of intelligent newspapers barrier optical transmitter and receiver and network management client end system thereof Download PDFInfo
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- CN103200395B CN103200395B CN201310118309.6A CN201310118309A CN103200395B CN 103200395 B CN103200395 B CN 103200395B CN 201310118309 A CN201310118309 A CN 201310118309A CN 103200395 B CN103200395 B CN 103200395B
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Abstract
The present invention relates to a kind of intelligent newspapers barrier optical transmitter and receiver and network management client end system thereof, specifically for monitoring and the troubleshooting in real time in 24 hours of optical transmitter and receiver operating state in traditional video system provides perfect solution.It discloses in optical transmitter and receiver and be provided with temperature sensing circuit, voltage detecting circuit, remote on-off reset circuit and STC12LE5A08S2 as main control MCU; Its system is realization and the data acquisition projects three part composition of the allocation model of Internet of Things address, clipping the ball control signal (PTZ) and webmaster signal multiplexing.It can by the state of optical transmitter and receiver self and under connect clipping the ball, video camera running status be transmitted back to administrative center in real time, and can to all optical transmitter and receivers and under connect equipment and carry out remote on-off and remote reset and the power down of optical transmitter and receiver and disconnected optical fiber state are judged accurately.
Description
Technical field:
The present invention relates to optical transmitter and receiver and management system thereof, specifically for monitoring and the troubleshooting in real time in 24 hours of optical transmitter and receiver operating state in traditional video system provides perfect solution.
Background technology:
Enter 21st century, global anti-terrorism, security situation are increasingly serious, and the effect of video monitoring system highlights, and thousands upon thousands cameras have spread all over each corner in city.
As everyone knows, due to factors such as thunderbolt, power supply trouble, artificial destructions, once occur abnormal as the optical transmitter and receiver of transmission, the monitoring of relevant range is just performed practically no function.Even small-sized supervisory control system, the exception of this equipment all likely causes very serious consequence, but, this exception to be often not easy again find by duty personnel.Therefore, for the Large Scale Video Monitoring System of " safe city ", " Safe Campus " this kind of hundreds of easily platform thousands of video points, how to monitor the operating state of each headend equipment in real time, realize the design function of system to greatest extent, with regard to having become system operators, attendant has been concerned about most, wish the problem of solution most.
Mainly there are following several respects not enough in the management of the webmaster type optical transmitter and receiver of existing market:
1, the running status of equipment can only be monitored, can not control equipment;
2, the running status of equipment of itself can only be monitored, can not under the clipping the ball that connects, the equipment such as video camera carry out managing or can only provide data channel under connect equipment and carry out management and do transfer of data;
3, the judgement of optical transmitter and receiver device looses power and disconnected optical fiber is not had or accuracy rate very low;
4, there is imperfection, mainly through manual configuration in the configuration of internet of things equipment address.
Summary of the invention:
For solving above-mentioned not enough problem, the invention provides following technical solution:
The specific embodiment provided is provided according to native system, the invention discloses following technical solution:
A kind of intelligent newspapers barrier optical transmitter and receiver, it includes optical transmitter and receiver body, and its feature is comprising:
DS18B20 temperature acquisition chip is provided with in optical transmitter and receiver body, described temperature acquisition chip by Real-time Collection to temperature data be kept in inner register, and controller is when needing data, just from register, read binary data, then convert binary data to metric temperature data;
Be provided with voltage detecting circuit in optical transmitter and receiver body, described voltage detecting circuit delivers to single-chip processor i/o mouth by electric resistance partial pressure sampling, then goes out virtual voltage by the A/D circuit counting of single-chip microcomputer inside, then uploads to platform software;
Be provided with remote on-off control circuit in optical transmitter and receiver body, native system equipment has remote on-off, remote reset function, adopts single-chip microcomputer to receive PC control command, controls triode and MOS be used for the power supply of main control system working portion by I/O; The metal-oxide-semiconductor conducting when P2CON is high level, host power supply is opened, and when P2CON is low level, host power supply disconnects;
Also be provided with power-off in optical transmitter and receiver body to break optical fiber decision circuitry, described power-off optical fiber decision circuitry of breaking sends a string data and decodes to receiver CPLD after transmitter CPLD detects power-off signal, if have received this power down information CPLD can give single-chip microcomputer external interrupt by I/O mouth, after single-chip microcomputer receives and interrupts, interval 200MS inquires about optical fiber state, if now optical fiber state is normal, it is then erroneous judgement signal, then interrupt clearly, if now optical fiber is lost, then be shown to be the light path caused by transmitter power-off to lose, be now just shown to be power-off; The MCU poll optical fiber state when the free time, if be polled to optical fiber loss do not receive power-fail interrupt again, is then shown to be disconnected optical fiber.Thus judged the judgement of device powers down and disconnected optical fiber accurately;
In addition, be provided with STC12LE5A08S2 as main control MCU in optical transmitter and receiver body, this single-chip microcomputer has 2 independent serial ports, and 8 A/D conversions that inside carries facilitate the collection of voltage, or simulate a serial ports by I/O mouth, thus realize the demand of three serial ports.
The network management client end system of optical transmitter and receiver of the present invention, is characterized in that:
The data acquisition of 1 remote detection optical transmitter and receiver, described data are input voltage and other circuit voltages, optical transmitter and receiver temperature, vision signal are lost, power down and disconnected optical fiber is distinguished, remote switch optical transmitter and receiver;
2 can manage down the equipment of connecing running status and can under connect equipment Internet of Things address automatically distribute;
The allocation model of Internet of Things address, adopts IP address, single-level address, two-level address three layer address allocation model and to the automatic distribution of two-level address and secondary equipment management:
First, IP address: form primarily of embedded networking module, realizes the conversion of webmaster 485 signal and ethernet signal, the module before this fractional reuse;
First-level address is webmaster optical transmitter and receiver address, arranges, arrange from 0-255 mainly through optical transmitter and receiver receiving terminal toggle switch, connects at most 256 pairs of optical transmitter and receivers below an IP address;
Address, second-level connects the address of clipping the ball or video camera under being, address at the corresponding levels adopts the manual write of data communication circuit or optical transmitter and receiver automatically to distribute, and is configured from 1-32;
Communication modes and the automatic two-level address principle of distributing of webmaster are:
Adopt the MCU of band serial ports at the receiving terminal of optical transmitter and receiver, serial ports one carries out communication by 485 modes and embedded networking module, converts 485 signals to network signal and host computer carries out communication, serial ports two carries out communication by 485 modes and secondary equipment, serial ports two is inquired about in the running status of idle to secondary equipment, the state information of inquiry is kept in MCU internal memory, PC is by the running status of the mode query facility of poll, after the serial ports one of optical transmitter and receiver receives the querying command of PC, the running status of in-house facility is packed together with inquired down the information of the equipment of connecing by serial ports two and send to PC for PC analytical equipment running status, after the serial ports one of optical transmitter and receiver receives the countercharge order that PC sends over, analyze the order to equipment of itself or the order to secondary equipment, if then perform corresponding action to the order of oneself, if be then transmitted to secondary equipment by serial ports two to the order of secondary equipment,
Automatic distribution two-level address adopts the access of secondary equipment hard address, software address, vision signal to coordinate to realize, secondary equipment each equipment when dispatching from the factory can be equipped with the hard address of 1-255, and the hard address of equipment is attached in equipment bar code, require that the equipment hard address when load facility under same optical transmitter and receiver does not repeat, 485 lines of secondary equipment are linked into webmaster 485 bus of optical transmitter and receiver, i.e. serial ports two, vision signal is linked into the transmitter video inputs of optical transmitter and receiver by coaxial cable, power-on, treat that the errorless optical transmitter and receiver address that later starts of video state access is distributed automatically, now optical transmitter and receiver can send shutdown command from hard address 1-255 poll, send a shutdown command and inquire about video state later, if inquired corresponding video-losing, then according to the way of video the software address of correspondence is written in corresponding equipment and goes and reopen this equipment, if there is no video-losing, then show there is no this hardware address, then the inquiry of next address is continued, by that analogy, from 1-255, if whole process all have found equipment corresponding to initial state video, then prompt facility has configured automatically, if do not found completely, then point out mistake, prompting is redistributed after fixing a breakdown,
3 multiple connections realizing clipping the ball control signal (PTZ) and webmaster signal;
Native system have employed a kind of novel cloud platform control system and the multiplexing mode of network management system data channel; Because The Cloud Terrace data just just have transfer of data when there being control signal, and more than the 40MS that is everlasting during every frame ordering data break; In the receiving terminal MCU of optical transmitter and receiver, increase a serial ports, i.e. serial ports three, this serial ports is responsible for receiving cradle head control order, is then kept in MCU internal memory, sends in the polling interval of serial ports two; Both serial ports two was to connect the running status of equipment under the inquiry price queries of 20MS, inquire about and once judged whether serial ports three receives cradle head control order, just cradle head control order is forwarded if had, then carry out next poll, if do not receive cradle head control order, directly carry out next poll.
The above also comprises: the running status connecing equipment under can managing at least two platforms, and can be uploaded to client software, to be presented on interface.
The above also comprises: the multiple connection that can realize PTZ signal and webmaster signal, makes PTZ signal and webmaster signal can share 485 buses.
Administrative client system solution of the present invention also can be described as comprising the following steps:
(1) allocation model of Internet of Things address, adopts the implementation method that IP address, single-level address, two-level address three layer address allocation model and automatic distribution and secondary equipment to two-level address manage;
(2) to the realization of clipping the ball control signal (PTZ) and webmaster signal multiplexing;
(3) data acquisition projects and scheme, specifically comprises: video, temperature, voltage, power-off break optical fiber judgement etc.;
Step (1) system adopts three grades of Internet of Things address patterns as shown in Figure 1, by the equipment in the unique certainty annuity of three layer address.
IP address: form primarily of embedded networking module, realizes the conversion of webmaster 485 signal and ethernet signal, the module before this fractional reuse;
First-level address is webmaster optical transmitter and receiver address, arranges, arrange from 0-255 mainly through optical transmitter and receiver receiving terminal toggle switch, connects at most 256 pairs of optical transmitter and receivers below an IP address;
Address, second-level connects the address of clipping the ball or video camera under being, address at the corresponding levels adopts the manual write of data communication circuit or optical transmitter and receiver automatically to distribute, and is configured (because the maximum video way of the optical transmitter and receiver designed at present is 32 tunnels) from 1-32.
Below mainly introduce the communication modes of webmaster and automatically distribute two-level address principle:
Adopt the MCU of band serial ports at the receiving terminal of optical transmitter and receiver, serial ports one carries out communication by 485 modes and embedded networking module, converts 485 signals to network signal and host computer carries out communication, serial ports two carries out communication by 485 modes and secondary equipment (clipping the ball and video camera), serial ports two is inquired about in the running status of idle to secondary equipment, the state information of inquiry is kept in MCU internal memory, PC is by the running status of the mode query facility of poll, after the serial ports one of optical transmitter and receiver receives the querying command of PC, the running status of in-house facility is packed together with inquired down the information of the equipment of connecing by serial ports two and send to PC for PC analytical equipment running status, (such as start shooting when the serial ports one of optical transmitter and receiver receives the countercharge order that PC sends over, shutdown, reset, menucommand etc.) after, analyze the order to equipment of itself or the order to secondary equipment, if then perform corresponding action to the order of oneself, if be then transmitted to secondary equipment by serial ports two to the order of secondary equipment.
Automatic distribution two-level address adopts the access of secondary equipment hard address, software address, vision signal to coordinate to realize.Secondary equipment each equipment when dispatching from the factory can be equipped with the hard address of 1-255, and the hard address of equipment is attached in equipment bar code, require that the equipment hard address when load facility under same optical transmitter and receiver does not repeat, 485 lines of secondary equipment are linked into webmaster 485 bus (serial ports two) of optical transmitter and receiver, vision signal is linked into the transmitter video inputs of optical transmitter and receiver by coaxial cable, power-on, treat that the errorless optical transmitter and receiver address that later starts of video state access is distributed automatically, now optical transmitter and receiver can send shutdown command from hard address 1-255 poll, send a shutdown command and inquire about video state later, if inquired corresponding video-losing, then according to the way of video the software address of correspondence is written in corresponding equipment and goes and reopen this equipment, if there is no video-losing, then show there is no this hardware address, then the inquiry of next address is continued, by that analogy, from 1-255, if whole process all have found equipment corresponding to initial state video, then prompt facility has configured automatically, if do not found completely, then point out mistake, prompting is redistributed after fixing a breakdown.
Step (2) is to the realization of clipping the ball control signal (PTZ) and webmaster signal multiplexing.
Because clipping the ball itself has 422 control signals of carrying out cradle head control, but network management system and cloud platform control system belong to again different systems, so simply can not share network management data passage and cradle head control passage, if if but network management data passage and can safeguard and bring very large inconvenience, so native system have employed a kind of novel cloud platform control system and the multiplexing mode of network management system data channel to construction again opening up a data channel.Because The Cloud Terrace data just just have transfer of data when there being control signal, and more than the 40MS that is everlasting during every frame ordering data break.So we increase a serial ports (serial ports three) in the receiving terminal MCU of optical transmitter and receiver, this serial ports is responsible for receiving cradle head control order, is then kept in MCU internal memory, sends in the polling interval of serial ports two.Both serial ports two was to connect the running status of equipment under the inquiry price queries of 20MS, inquire about and once judged whether serial ports three receives cradle head control order, just cradle head control order is forwarded if had, then carry out next poll, if do not receive cradle head control order, directly carry out next poll.Take the multiple connection of this time-multiplexed method realization and network management data and cradle head control data.
The determination of step (3) data acquisition projects and scheme, specifically comprises: video, temperature, voltage, power-off break optical fiber judgement etc.
Temperature sensing scheme
Device temperature collection employs the scheme of DS18B20, and hardware structure diagram as shown in Figure 2.
In this scheme, DS18B20 chip by Real-time Collection to temperature data be kept in inner register, and when controller needs data, just from register, read binary data.Then contrasting data handbook converts metric temperature data to.
Voltage detection scheme, adds voltage detecting circuit at device interior, as shown in Figure 3.
Testing circuit delivers to single-chip processor i/o mouth by electric resistance partial pressure sampling, then goes out virtual voltage by the A/D circuit counting of single-chip microcomputer inside, then uploads to platform software.
Remote on-off control circuit, native system equipment has remote on-off, remote reset function, adopts single-chip microcomputer to receive PC control command, controls triode and MOS be used for the power supply of main control system working portion by I/O.The metal-oxide-semiconductor conducting when P2CON is high level, host power supply is opened, and when P2CON is low level, host power supply disconnects, and physical circuit is as accompanying drawing 4.
Power-off breaks optical fiber decision circuitry as shown in Figure 5, after transmitter CPLD detects power-off signal, send a string data decode to receiver CPLD, if have received this power down information CPLD can give single-chip microcomputer external interrupt by I/O mouth, after single-chip microcomputer receives and interrupts, interval 200MS inquires about optical fiber state, if now optical fiber state is normal, it is then erroneous judgement signal, then interrupt clearly, if now optical fiber is lost, then be shown to be the light path caused by transmitter power-off to lose, be now just shown to be power-off.The MCU poll optical fiber state when the free time, if be polled to optical fiber loss do not receive power-fail interrupt again, is then shown to be disconnected optical fiber.Thus judged the judgement of device powers down and disconnected optical fiber accurately.
Step (4) is according to the above type selecting of 3 step determination hardware plans and the formulation of software communication agreement and software development.Determine that this single-chip microcomputer has 2 independent serial ports with STC12LE5A08S2 as main control MCU by first three step, 8 A/D conversions that inside carries facilitate the collection of voltage.A serial ports can also be simulated by I/O mouth, thus realize the demand of three serial ports.Particular hardware circuit is as shown in accompanying drawing 6-9.
The invention has the advantages that and achieve:
1, present invention achieves the optical transmitter and receiver with network management function, can by the state of optical transmitter and receiver self and under connect clipping the ball, video camera running status be transmitted back to administrative center in real time, and can to all optical transmitter and receivers and under connect equipment and carry out remote on-off and remote reset and the power down of optical transmitter and receiver and disconnected optical fiber state are judged accurately.
2, the multiple connection to clipping the ball control signal (PTZ) and webmaster signal is achieved.
3, achieve under connect automatic distribution or the manual configuration of the equipment such as clipping the ball, video camera Internet of Things address.
4, adopt the Internet of Things address allocation pattern of IP address, single-level address, two-level address three layer address, effectively alleviate server burden.
Accompanying drawing explanation
Fig. 1 is the block diagram of system of the present invention.
Fig. 2 is temperature sensing circuit schematic diagram of the present invention.
Fig. 3 is voltage detecting circuit schematic diagram of the present invention.
Fig. 4 is remote switch control circuit schematic diagram of the present invention.
Fig. 5 is that power-off of the present invention is broken fiber optic circuit schematic diagram.
Fig. 6 is the STC12LE5A08S2 circuit diagram of main control MCU of the present invention.
Fig. 7 is the hardware circuit schematic diagram of main control MCU of the present invention.
Fig. 8 is the local hardware circuit schematic diagram of main control MCU of the present invention.
Fig. 9 is D17 ~ D24 circuit connection diagram of main control MCU of the present invention.
Embodiment
Shown in figure as arbitrary in accompanying drawing 1 to 9, a kind of intelligent newspapers barrier optical transmitter and receiver, it includes optical transmitter and receiver body, and its feature is comprising:
DS18B20 temperature acquisition chip is provided with in optical transmitter and receiver body, described temperature acquisition chip by Real-time Collection to temperature data be kept in inner register, and controller is when needing data, just from register, read binary data, then convert binary data to metric temperature data;
Be provided with voltage detecting circuit in optical transmitter and receiver body, described voltage detecting circuit delivers to single-chip processor i/o mouth by electric resistance partial pressure sampling, then goes out virtual voltage by the A/D circuit counting of single-chip microcomputer inside, then uploads to platform software;
Be provided with remote on-off control circuit in optical transmitter and receiver body, native system equipment has remote on-off, remote reset function, adopts single-chip microcomputer to receive PC control command, controls triode and MOS be used for the power supply of main control system working portion by I/O; The metal-oxide-semiconductor conducting when P2CON is high level, host power supply is opened, and when P2CON is low level, host power supply disconnects;
Also be provided with power-off in optical transmitter and receiver body to break optical fiber decision circuitry, described power-off optical fiber decision circuitry of breaking sends a string data and decodes to receiver CPLD after transmitter CPLD detects power-off signal, if have received this power down information CPLD can give single-chip microcomputer external interrupt by I/O mouth, after single-chip microcomputer receives and interrupts, interval 200MS inquires about optical fiber state, if now optical fiber state is normal, it is then erroneous judgement signal, then interrupt clearly, if now optical fiber is lost, then be shown to be the light path caused by transmitter power-off to lose, be now just shown to be power-off; The MCU poll optical fiber state when the free time, if be polled to optical fiber loss do not receive power-fail interrupt again, is then shown to be disconnected optical fiber.Thus judged the judgement of device powers down and disconnected optical fiber accurately;
In addition, be provided with STC12LE5A08S2 as main control MCU in optical transmitter and receiver body, this single-chip microcomputer has 2 independent serial ports, and 8 A/D conversions that inside carries facilitate the collection of voltage, or simulate a serial ports by I/O mouth, thus realize the demand of three serial ports.
Claims (4)
1. an intelligent newspapers barrier optical transmitter and receiver, it includes optical transmitter and receiver body, and its feature is comprising:
DS18B20 temperature acquisition chip is provided with in optical transmitter and receiver body, described temperature acquisition chip by Real-time Collection to temperature data be kept in inner register, and controller is when needing data, just from register, read binary data, then convert binary data to metric temperature data;
Be provided with voltage detecting circuit in optical transmitter and receiver body, described voltage detecting circuit delivers to single-chip processor i/o mouth by electric resistance partial pressure sampling, then goes out virtual voltage by the A/D circuit counting of single-chip microcomputer inside, then uploads to platform software;
Be provided with remote on-off control circuit in optical transmitter and receiver body, native system equipment has remote on-off, remote reset function, adopts single-chip microcomputer to receive PC control command, controls triode and MOS be used for the power supply of main control system working portion by I/O; The metal-oxide-semiconductor conducting when P2CON is high level, host power supply is opened, and when P2CON is low level, host power supply disconnects;
Also be provided with power-off in optical transmitter and receiver body to break optical fiber decision circuitry, described power-off optical fiber decision circuitry of breaking sends a string data and decodes to receiver CPLD after transmitter CPLD detects power-off signal, if have received this power down information CPLD can give single-chip microcomputer external interrupt by I/O mouth, after single-chip microcomputer receives and interrupts, interval 200MS inquires about optical fiber state, if now optical fiber state is normal, it is then erroneous judgement signal, then interrupt clearly, if now optical fiber is lost, then be shown to be the light path caused by transmitter power-off to lose, be now just shown to be power-off; The MCU poll optical fiber state when the free time, if be polled to optical fiber loss do not receive power-fail interrupt again, be then shown to be disconnected optical fiber, thus judged the judgement of device powers down and disconnected optical fiber accurately;
In addition, be provided with STC12LE5A08S2 as main control MCU in optical transmitter and receiver body, this single-chip microcomputer has 2 independent serial ports, and 8 A/D conversions that inside carries facilitate the collection of voltage, or simulate a serial ports by I/O mouth, thus realize the demand of three serial ports.
2. utilize a network management client end system for the optical transmitter and receiver described in claim 1, it is characterized in that:
The data acquisition of remote detection optical transmitter and receiver, described data are input voltage and other circuit voltages, optical transmitter and receiver temperature;
Can manage down the equipment of connecing running status and can under connect equipment Internet of Things address automatically distribute;
The allocation model of Internet of Things address, adopts IP address, single-level address, two-level address three layer address allocation model and to the automatic distribution of two-level address and secondary equipment management:
First, IP address: form primarily of embedded networking module, realizes the conversion of webmaster 485 signal and ethernet signal;
First-level address is webmaster optical transmitter and receiver address, arranges, arrange from 0-255 mainly through optical transmitter and receiver receiving terminal toggle switch, connects at most 256 pairs of optical transmitter and receivers below an IP address;
Address, second-level connects the address of clipping the ball or video camera under being, address at the corresponding levels adopts the manual write of data communication circuit or optical transmitter and receiver automatically to distribute, and is configured from 1-32;
Communication modes and the automatic two-level address principle of distributing of webmaster are:
Adopt the MCU of band serial ports at the receiving terminal of optical transmitter and receiver, serial ports one carries out communication by 485 modes and embedded networking module, converts 485 signals to network signal and host computer carries out communication, serial ports two carries out communication by 485 modes and secondary equipment, serial ports two is inquired about in the running status of idle to secondary equipment, the state information of inquiry is kept in MCU internal memory, PC is by the running status of the mode query facility of poll, after the serial ports one of optical transmitter and receiver receives the querying command of PC, the running status of in-house facility is packed together with inquired down the information of the equipment of connecing by serial ports two and send to PC for PC analytical equipment running status, after the serial ports one of optical transmitter and receiver receives the countercharge order that PC sends over, analyze the order to equipment of itself or the order to secondary equipment, if then perform corresponding action to the order of oneself, if be then transmitted to secondary equipment by serial ports two to the order of secondary equipment,
Automatic distribution two-level address adopts the access of secondary equipment hard address, software address, vision signal to coordinate to realize, secondary equipment each equipment when dispatching from the factory can be equipped with the hard address of 1-255, and the hard address of equipment is attached in equipment bar code, require that the equipment hard address when load facility under same optical transmitter and receiver does not repeat, 485 lines of secondary equipment are linked into webmaster 485 bus of optical transmitter and receiver, i.e. serial ports two, vision signal is linked into the transmitter video inputs of optical transmitter and receiver by coaxial cable, power-on, treat that the errorless optical transmitter and receiver address that later starts of video state access is distributed automatically, now optical transmitter and receiver can send shutdown command from hard address 1-255 poll, send a shutdown command and inquire about video state later, if inquired corresponding video-losing, then according to the way of video the software address of correspondence is written in corresponding equipment and goes and reopen this equipment, if there is no video-losing, then show there is no this hardware address, then the inquiry of next address is continued, by that analogy, from 1-255, if whole process all have found equipment corresponding to initial state video, then prompt facility has configured automatically, if do not found completely, then point out mistake, prompting is redistributed after fixing a breakdown,
Realize the multiple connection of clipping the ball control signal PTZ and webmaster signal;
Native system have employed a kind of novel cloud platform control system and the multiplexing mode of network management system data channel; Because The Cloud Terrace data just just have transfer of data when there being control signal, and more than the 40MS that is everlasting during every frame ordering data break; In the receiving terminal MCU of optical transmitter and receiver, increase a serial ports, i.e. serial ports three, this serial ports is responsible for receiving cradle head control order, is then kept in MCU internal memory, sends in the polling interval of serial ports two; Both serial ports two was to connect the running status of equipment under the inquiry of the polling interval of 20MS, inquire about and once judged whether serial ports three receives cradle head control order, just cradle head control order is forwarded if had, then carry out next poll, if do not receive cradle head control order, directly carry out next poll.
3. system as claimed in claim 2, is characterized in that, also comprise: the running status connecing equipment under can managing at least two platforms, and can be uploaded to client software, to be presented on interface.
4. system as claimed in claim 3, is characterized in that, also comprise: the multiple connection that can realize PTZ signal and webmaster signal, make PTZ signal and webmaster signal can share 485 buses.
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| CN201310118309.6A CN103200395B (en) | 2013-04-08 | 2013-04-08 | A kind of intelligent newspapers barrier optical transmitter and receiver and network management client end system thereof |
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| CN201310118309.6A CN103200395B (en) | 2013-04-08 | 2013-04-08 | A kind of intelligent newspapers barrier optical transmitter and receiver and network management client end system thereof |
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| CN103647602B (en) * | 2013-11-15 | 2016-03-16 | 天津天地伟业数码科技有限公司 | Fiber signal transmission fault automatic identification method |
| CN105515653A (en) * | 2015-11-27 | 2016-04-20 | 山东超越数控电子有限公司 | Optical terminal state monitoring implementing method |
| CN105760248A (en) * | 2016-02-15 | 2016-07-13 | 上海卫星工程研究所 | Efficient FPGA configuration backward-reading device and method |
| CN107346990B (en) * | 2016-08-12 | 2020-06-12 | 中国移动通信集团海南有限公司 | Optical transmitter and receiver fault monitoring method and device |
| CN106973270A (en) * | 2017-04-19 | 2017-07-21 | 成都市宏山科技有限公司 | Optical signal transmission receiving terminal based on field programmable gate array |
| CN106973269A (en) * | 2017-04-19 | 2017-07-21 | 成都市宏山科技有限公司 | Optical signal transmission launch terminal based on FPGA |
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| CN108391089B (en) * | 2018-03-15 | 2024-04-05 | 湖南爱愽思科技有限责任公司 | Monitoring flow pushing method and device of multi-path camera and monitoring system |
| CN109309819A (en) * | 2018-05-25 | 2019-02-05 | 郑州天点科技有限公司 | A kind of open air Digital Optical Terminal |
| CN108717779A (en) * | 2018-07-05 | 2018-10-30 | 江苏地北网络工程有限公司 | A kind of intelligent terminal control system based on GPRS remote transmissions |
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