CN112198828A - Street lamp online state judgment method based on narrow-band Internet of things - Google Patents
Street lamp online state judgment method based on narrow-band Internet of things Download PDFInfo
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- CN112198828A CN112198828A CN202011144417.7A CN202011144417A CN112198828A CN 112198828 A CN112198828 A CN 112198828A CN 202011144417 A CN202011144417 A CN 202011144417A CN 112198828 A CN112198828 A CN 112198828A
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- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24024—Safety, surveillance
Abstract
The application discloses street lamp online state judgment method based on narrowband thing networking relates to street lamp lighting technology field, includes: setting an information reporting period of each street lamp device in a street lamp network, enabling each street lamp device to actively report street lamp operation information to a narrow-band Internet of things platform according to the corresponding information reporting period, and enabling the narrow-band Internet of things platform to push the street lamp operation information to an intelligent illumination monitoring management system; the intelligent lighting monitoring management system receives the street lamp operation information in real time, judges whether the street lamp operation information is standard street lamp operation information or not, if so, acquires the reporting time of the street lamp operation information, and stores the reporting time into the last patrol record; if not, ignoring the received street lamp operation information; the intelligent illumination monitoring management system checks the last patrol record in real time, obtains the reporting time corresponding to each street lamp device from the last patrol record, and judges the on-line state of the street lamps. Therefore, the timeliness of judging the online state of the street lamp is improved.
Description
Technical Field
The application relates to the technical field of street lamp lighting, in particular to a street lamp online state judgment method based on a narrowband Internet of things.
Background
The narrow-band internet of things technology has the advantages of low power consumption, wide coverage and low cost, and promotes comprehensive and deep deployment of the internet of things in various fields. In a diversified Internet of things world, multiple network technologies are required to coexist, advantages are complemented, and large-scale outbreak of application of the Internet of things is promoted. The lighting industry needs a demand for an independent controllable internet of things with lower cost and lower power consumption, which is more beneficial to flexible coverage. NB-IoT (Narrow Band Internet of Things) is a long-distance wireless communication technology specially designed for the Internet of Things, is specially oriented to the application field of low-rate transmission of the Internet of Things, and has the advantages of high capacity, wide coverage, low power consumption, low cost and the like. The transmitting power is 20dB (7 times coverage)/10 years battery life/50 k terminal/200 kHz district/ultra-low price terminal chip, and the method is suitable for large-scale deployment and application, supports activation and sleep modes, and has the anti-disassembly alarm function and the like. The method is suitable for the field of urban illumination.
In an intelligent city lighting control system based on NB communication, the number of lighting street lamps in a city is tens of thousands at present, and the lighting street lamps cover all corners of the city, so that the on-line condition of the street lamps is an important measurement index for reflecting the signal intensity of an NB-IoT network, the controlled condition of the street lamps and the operation working condition of facilities in each place of the city. It is necessary to accurately calculate the on-line condition of the street lamp and improve the control rate of the device. The online judgment of the equipment in the existing intelligent lighting system still has the following problems:
at present, the power line carrier communication technology (PLC) is widely adopted in the field of intelligent lighting, and due to strong attenuation and strong noise of a lighting power supply network, the stability and reliability of communication cannot be guaranteed by the current related technology. The PLC circuit is easily disturbed, for example, meet the holiday, hang lamp area, lantern etc. that festival day atmosphere is relevant on the lamp pole, all can lead to PLC network addressing complicacy, then find single lamp equipment very slowly in concentrator one end, can't find single lamp equipment even to lead to that online feedback is slow, online rate is low.
Disclosure of Invention
In view of this, the technical problem to be solved by the application is to provide a street lamp online state judgment method based on a narrowband internet of things, which can detect the online state of a street lamp device in time, and has stable and reliable detection process and high statistical data accuracy.
In order to solve the technical problem, the following technical scheme is adopted:
a street lamp online state judgment method based on a narrow-band Internet of things is applied to a street lamp network, wherein the street lamp network comprises street lamp equipment, a narrow-band Internet of things platform and an intelligent illumination monitoring system, and the street lamp equipment is coupled with the intelligent illumination monitoring management system through the narrow-band Internet of things platform;
the street lamp online state judgment method comprises the following steps:
setting an information reporting period of each street lamp device in the street lamp network, so that each street lamp device actively reports street lamp operation information to the narrowband internet of things platform according to the corresponding information reporting period, the narrowband internet of things platform pushes the street lamp operation information to the intelligent lighting monitoring and management system, and the street lamp operation information comprises voltage, current, power and network information corresponding to the street lamp operation;
the intelligent lighting monitoring management system receives the street lamp operation information in real time, judges whether the street lamp operation information is standard street lamp operation information or not, judges that the received street lamp operation information is real-time street lamp operation information of corresponding street lamp equipment if the street lamp operation information is the standard street lamp operation information, acquires the reporting time of the street lamp operation information, stores the reporting time into a last patrol record, and associates the reporting time with the corresponding street lamp equipment in the last patrol record; if not, ignoring the received street lamp operation information;
the intelligent illumination monitoring management system checks the last patrol record in real time, acquires the reporting time corresponding to each street lamp device from the last patrol record, and judges the on-line state of the street lamps:
if some branch road lamp equipment in the last patrol record does not have corresponding reporting time, judging that the corresponding road lamp equipment is in an off-line state;
if the corresponding reporting time exists in the street lamp equipment in the last patrol record, subtracting the reporting time from the current time of the system to obtain T1; acquiring an information reporting period T2 of the corresponding street lamp equipment;
if T1 is greater than n T2, the corresponding street lamp equipment is judged to be in an off-line state; and if the T1 is not more than n × T2, judging that the corresponding street lamp is in an online state, wherein n is more than 1.
Optionally, wherein: n is 2.
Optionally, wherein:
further comprising: setting the first information reporting time of each street lamp device in the street lamp network, so that the first information reporting times of at least part of the street lamp devices are not coincident;
and when the street lamp equipment is accessed into the street lamp network for the first time, the street lamp equipment actively reports the street lamp operation information according to the set first information reporting time and the set information reporting period.
Optionally, wherein:
and calculating the first information reporting time of each street lamp device according to the production number of the street lamp device.
Optionally, wherein:
and the information reporting periods of all the street lamp devices in the street lamp network are the same.
Optionally, wherein:
the street lamp network also comprises a remote monitoring terminal, and the remote monitoring terminal is used for performing patrol test on the street lamp equipment and sending patrol test data to the intelligent lighting monitoring system;
the wisdom illumination monitoring management system real-time inspection the record is patrolled and examined to the last time, follows acquire in the record is patrolled and examined to the last time of reporting corresponding with each street lamp equipment before carrying out street lamp on-line state's judgement, still include:
the intelligent illumination monitoring management system acquires patrol data sent by the remote monitoring terminal, and judges the state of each branch in the street lamp network according to the patrol data: if the branch is in the off-lamp state, updating all street lamp equipment of the corresponding branch to be in the off-line state; if the road lamp is in a light-on state, voltage, current and power data on the corresponding branch are obtained, if the voltage, the current and the power are all 0, all street lamp equipment on the corresponding branch are updated to be in an off-line state, and if at least one of the voltage, the current and the power is greater than 0, the intelligent lighting monitoring management system is executed to check the step corresponding to the last patrol record in real time.
Optionally, wherein:
when the street lamp equipment sends street lamp operation information to the narrowband Internet of things platform, the street lamp equipment is connected to a connection network and is coupled with the narrowband Internet of things platform through the connection network; and when the information reporting time is not reached, the street lamp equipment does not access the connection network.
Optionally, wherein:
and the intelligent lighting monitoring management system checks the last patrol record in real time, acquires the reporting time corresponding to each street lamp device from the last patrol record, and judges the on-line state of the street lamps once at intervals of preset time T0, wherein T0 is more than or equal to 5 min.
Compared with the prior art, the street lamp online state judgment method based on the narrow-band Internet of things achieves the following effects:
in the street lamp online state judging method based on the narrowband internet of things, after the street lamp equipment is connected into a street lamp network, the street lamp equipment can actively report street lamp operation information to the intelligent illumination monitoring management system through the narrowband internet of things platform, and compared with a mode that a monitoring center regularly patrols the street lamp equipment, the online judging timeliness of the street lamp equipment is greatly improved, even at least 15 minutes can be improved, so that personnel in the monitoring center can timely master the operation conditions of all street lamps at the first time of box transmission/power failure. And because the narrowband thing networking possesses the characteristics that the consumption is low, when street lamp equipment reported street lamp operation information to command illumination control management system through narrowband thing networking platform, both had been favorable to reducing the consumption, still was favorable to promoting the accurate nature and the reliability of street lamp operation information transmission, consequently was favorable to promoting the accurate nature and the reliability of street lamp online judgement process.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a flowchart illustrating a street lamp online state determination method based on a narrowband internet of things according to the present invention;
fig. 2 is another flow chart of a street lamp online state determination method based on a narrowband internet of things provided by the present invention;
fig. 3 is another flow chart of a street lamp online state determination method based on a narrowband internet of things provided by the present invention;
fig. 4 is a schematic structural diagram of a street lamp network in the street lamp online status determination method provided by the present invention and a corresponding work flow diagram.
Detailed Description
As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect. Furthermore, the term "coupled" is intended to encompass any direct or indirect electrical coupling. Thus, if a first device couples to a second device, that connection may be through a direct electrical coupling or through an indirect electrical coupling via other devices and couplings. The description which follows is a preferred embodiment of the present application, but is made for the purpose of illustrating the general principles of the application and not for the purpose of limiting the scope of the application. The protection scope of the present application shall be subject to the definitions of the appended claims.
At present, the power line carrier communication technology (PLC) is widely adopted in the field of intelligent lighting, and due to strong attenuation and strong noise of a lighting power supply network, the stability and reliability of communication cannot be guaranteed by the current related technology. The PLC circuit is easily disturbed, for example, meet the holiday, hang lamp area, lantern etc. that festival day atmosphere is relevant on the lamp pole, all can lead to PLC network addressing complicacy, then find single lamp equipment very slowly in concentrator one end, can't find single lamp equipment even to lead to that online feedback is slow, online rate is low.
In view of this, the technical problem to be solved by the application is to provide a street lamp online state judgment method based on a narrowband internet of things, which can detect the online state of a street lamp device in time, and has stable and reliable detection process and high statistical data accuracy.
The following detailed description is to be read in connection with the drawings and the detailed description.
Fig. 1 is a flowchart of a street lamp online state determination method based on a narrowband internet of things provided by the present invention, please refer to fig. 1, the street lamp online state determination method based on a narrowband internet of things provided by the present invention is applied to a street lamp network, the street lamp network includes a street lamp device, a narrowband internet of things platform, and an intelligent lighting monitoring system, wherein the street lamp device is coupled with the intelligent lighting monitoring management system through the narrowband internet of things platform.
The street lamp online state judgment method comprises the following steps:
102, receiving street lamp operation information in real time by the intelligent lighting monitoring management system, judging whether the street lamp operation information is standard street lamp operation information, if so, judging that the received street lamp operation information is the real-time street lamp operation information of corresponding street lamp equipment, acquiring the reporting time of the street lamp operation information, storing the reporting time into a last patrol record, and associating the reporting time with the corresponding street lamp equipment in the last patrol record; and if not, ignoring the received street lamp operation information.
103, the intelligent illumination monitoring management system checks the last patrol record in real time, obtains the reporting time corresponding to each street lamp device from the last patrol record, and judges the on-line state of the street lamps:
and if some branch road lamp equipment in the last patrol record does not have corresponding reporting time, judging that the corresponding road lamp equipment is in an off-line state.
If the corresponding reporting time exists in the street lamp equipment in the last patrol record, subtracting the reporting time from the current time of the system to obtain T1; and acquiring an information reporting period T2 of the corresponding street lamp equipment.
If T1 is greater than n T2, the corresponding street lamp equipment is judged to be in an off-line state; and if the T1 is not more than n × T2, judging that the corresponding street lamp is in an online state, wherein n is more than 1.
Specifically, in the online street lamp state determination method based on the narrowband internet of things provided by the invention, the information reporting period of each street lamp device in the street lamp network is set through the step 101, so that each street lamp device actively reports the street lamp operation information to the narrowband internet of things platform according to the corresponding information reporting period. In the prior art, the street lamp operation information of the street lamp device is usually reported passively, that is, the street lamp device reports the relevant street lamp operation information after receiving the corresponding instruction, and if the corresponding instruction is not received, the street lamp operation information is not reported. Compared with the prior art that the monitoring center regularly inspects the street lamp equipment to acquire the running information of the street lamp, the active reporting mode of the invention greatly improves the timeliness of the on-line judgment of the street lamp equipment, even can improve the timeliness for at least 15 minutes, so that personnel in the monitoring center can timely master the running conditions of all street lamps at the first time of box transmission/power failure, thereby greatly improving the timeliness of the on-line judgment of the street lamp.
In the step 102, the intelligent lighting monitoring and management system receives the street lamp operation information in real time, judges the street lamp operation information, and determines whether the received street lamp operation information is the standard street lamp operation information, it should be noted that in the actual application process, parameters such as format, length and the like of the standard street lamp operation information can be set according to specific situations, and by determining whether the format and length of the received street lamp operation information are matched with the format and length of the standard street lamp operation information, if so, the received street lamp operation information can be considered as the real-time street lamp operation information of the corresponding street lamp device, and if not, the received street lamp operation information is ignored. And when the received information is the real-time operation information of the street lamp equipment, acquiring the reporting time of the street lamp operation information, and storing the reporting time into the last patrol record. It should be noted that the last patrol record mentioned in the present invention is updated continuously according to the received street lamp operation information, and the last patrol record stores the identification information of each street lamp device and the latest reporting time of the street lamp operation information corresponding to each street lamp device, for example, if a certain street lamp device reports the street lamp operation information for many times, the reporting time of the street lamp device recorded in the last patrol record is the time when the street lamp device reports the street lamp operation information for the last time. Because the street lamp equipment reports the information according to the preset reporting period, the last patrol record is continuously updated according to the reporting condition of the street lamp operation information.
In the step 103, the intelligent lighting monitoring and management system actually determines the on-line status of the street lamps, and in the determination process, the intelligent lighting monitoring and management system checks the last patrol record in real time, obtains the reporting time (i.e., the latest reporting time) corresponding to each street lamp device from the last patrol record, and determines that the corresponding street lamp device is in the off-line status if some street lamp devices in the last patrol record have no corresponding reporting time. If the corresponding reporting time exists in the street lamp equipment in the last patrol record, subtracting the reporting time from the current time of the system to obtain T1; acquiring an information reporting period T2 of the corresponding street lamp equipment; and then, judging T1 and n T2, if T1 is greater than n T2, indicating that the street lamp equipment does not send the street lamp operation information in the time period exceeding n T2, and if n is greater than 1, indicating that the street lamp equipment does not send the street lamp operation information in the time period exceeding the information reporting period of the street lamp equipment, so that the corresponding street lamp equipment is judged to be in an off-line state. And if the T1 is not more than n × T2, the street lamp operation information is sent by the street lamp equipment at the corresponding time of the street lamp reporting period, so that the corresponding street lamp equipment is judged to be in an online state.
Therefore, in the street lamp online state judging method based on the narrowband internet of things, when the street lamp equipment is connected into a street lamp network, the street lamp equipment can actively report street lamp operation information to the intelligent illumination monitoring management system through the narrowband internet of things platform, compared with a mode that a monitoring center regularly patrols the street lamp equipment, the online judging timeliness of the street lamp equipment is greatly improved, and even can be improved for at least 15 minutes, so that personnel in the monitoring center can timely master the operation conditions of all street lamps at the first time of box transmission/power failure. And because the narrowband thing networking possesses the characteristics that the consumption is low, when street lamp equipment reported street lamp operation information to command illumination control management system through narrowband thing networking platform, both had been favorable to reducing the consumption, still was favorable to promoting the accurate nature and the reliability of street lamp operation information transmission, consequently was favorable to promoting the accurate nature and the reliability of street lamp online judgement process.
It should be noted that the street lamp network provided by the invention further comprises an operator base station, the narrowband internet of things platform mentioned in the invention can be embodied as an operator internet of things platform, and the street lamp equipment can be connected with the operator internet of things platform through the operator base station to send data.
Optionally, the information reporting period T2 of the street lamp device may be set according to actual conditions, for example, T2 may be set to 2 minutes. The information reporting period T2 of the street lamp device can be considered as a heartbeat period of the street lamp device, and if the heartbeat period is set to be relatively small, the street lamp device will frequently upload data, which results in a base station being blocked due to a large amount of data, and the data is not timely delivered, thereby affecting on-line determination. If the heartbeat period is set to be larger, the accuracy of online judgment is affected. Therefore, when the information reporting period, namely the heartbeat period, of the street lamp equipment is set to be 2 minutes, the method and the device are favorable for avoiding the base station blocking phenomenon possibly caused by frequent data uploading of the street lamp equipment and improving the accuracy of online state judgment.
In an alternative embodiment of the present invention, n-2. At this time, in the process of judging the street lamp state, if T1 is greater than 2 × T2, the corresponding street lamp equipment is judged to be in an off-line state; and if T1 is less than or equal to 2 × T2, judging that the corresponding street lamp is in an online state. That is to say, when the difference T1 between the current time and the reporting time of the system is greater than 2 times of the information reporting period, that is, the street lamp devices do not report the street lamp operation information within 2 times of the information reporting period, it represents that the corresponding street lamp devices are in an offline state; when the difference T2 between the current time and the report of the system is less than or equal to 2 times of the information reporting period, that is, the street lamp device reports the street lamp operation information once in 2 times of the information reporting period, the street lamp device is considered to be on-line. The setting mode of n 2 considers the time deviation possibly existing in the information transmission process, and the accuracy of judging the online state of the street lamp equipment is improved.
In an optional embodiment of the present invention, fig. 2 is another flowchart of a street lamp online status determination method based on a narrowband internet of things, provided by the present invention, and please refer to fig. 2, the street lamp online status determination method provided by the present invention further includes step 100: setting the first information reporting time of each street lamp device in the street lamp network, so that the first information reporting time of at least part of the street lamp devices is not coincident; and when the street lamp equipment is accessed to the street lamp network for the first time, the street lamp equipment actively reports the street lamp operation information according to the set first information reporting time and the set first information reporting period. It should be noted that, step 100 and step 101 in fig. 2 are not in sequence, and may be executed sequentially or simultaneously, which is not limited in the present invention.
Specifically, the invention sets the first information reporting time of each street lamp device in the street lamp network, and makes the first information reporting time of at least part of street lamp devices not coincide. For example, when there are 1000 street lamp devices in the street lamp network, 1000 street lamp devices may be divided into multiple groups, for example, 4 groups, where each group includes 250 street lamp devices, the first information reporting time of the first group of street lamp devices is a1, the first information reporting time of the second group of street lamp devices is a2, the first information reporting time of the third group of street lamp devices is A3, and the first information reporting time of the fourth group of street lamp devices is a4, where a1 and a2, a2 and A3, A3 and a4 are respectively separated by a certain time, such as 10 minutes, that is, the street lamp devices in the street lamp network report data in a wrong peak, that is, report data in batches, thereby avoiding congestion in the same time period from affecting normal transmission of data, and simultaneously being beneficial to ensuring information processing capability of devices receiving data.
In an optional embodiment of the present invention, the first information reporting time of each street lamp device is calculated according to a production number of the street lamp device. For example, after the street lamp device is started at the sending point, the number of the last 3 bits × 2 of the production number of the street lamp device is converted into millisecond to serve as the first information reporting time of the street lamp device, and the arrangement mode can also avoid the phenomenon that a large number of street lamp devices report data at the same time, so that the reliability of data transmission is also improved.
In an optional embodiment of the present invention, the information reporting periods of the street lamp devices in the street lamp network are the same. That is to say, each street lamp device reports the running information of the street lamps at the same reporting period, so that different information reporting periods do not need to be set for different street lamp devices independently, and the complexity of parameter setting is facilitated to be simplified. In addition, because the first information reporting time part of one batch of street lamp equipment in the street lamp network is the same as that of another batch of street lamp equipment, even if the information reporting periods of the street lamp equipment are set to be the same, the street lamp equipment can be ensured to report data in a wrong peak.
In an optional embodiment of the invention, the street lamp network further comprises a remote monitoring terminal, wherein the remote monitoring terminal is used for performing patrol testing on the street lamp equipment and sending patrol testing data to the intelligent lighting monitoring system;
fig. 3 is another flowchart of the street lamp online state determination method based on the narrowband internet of things provided by the present invention, and before the intelligent lighting monitoring management system checks the last patrol record in real time, obtains the reporting time corresponding to each street lamp device from the last patrol record, and determines the street lamp online state, the method further includes step 104:
wisdom illumination control management system acquires the data of patrolling that remote monitoring terminal sent, judges the state of each branch road in the street lamp network according to patrolling data: if the branch is in the off-lamp state, updating all street lamp equipment of the corresponding branch to be in the off-line state; if the road lamp is in a light-on state, voltage, current and power data on the corresponding branch are obtained, if the voltage, the current and the power are all 0, all the road lamp equipment on the corresponding branch are updated to be in an off-line state, and if at least one of the voltage, the current and the power is more than 0, the step of the intelligent illumination monitoring management system for checking the corresponding last patrol record in real time is executed.
Specifically, the intelligent illumination monitoring management system receives patrol data of an RTU (Remote Terminal Unit), updates the state of a single lamp according to the patrol data of the RTU, particularly needs to perform power-off control on the box transformer before and after sunrise, needs to re-determine the state of a street lamp once the box transformer is monitored to be powered off, and if the state is not determined, the offline time of the single lamp is not timely. Judging whether the RTU control branch is on, if the branch is on, determining whether all street lamps under the branch are on-line according to the judgment result of the fifth step; and if the branch is in a light-off state, all street lamps under the branch are immediately updated to be off-line. Judging whether the RTU control branch is in a light-on state, continuously judging information such as voltage, current, power factor and the like on the branch, and if any one is more than 0, determining whether all street lamps under the branch are on line according to the judgment result of the fifth step; if all are 0, all street lamps under the branch are immediately updated to be offline.
In an optional embodiment of the invention, when the street lamp equipment sends street lamp operation information to the narrowband internet of things platform, the street lamp equipment is accessed to the connection network and is coupled with the narrowband internet of things platform through the connection network; and when the information reporting time is not reached, the street lamp equipment does not access the connection network.
Specifically, when the reporting time is up, the street lamp equipment is connected to the connection network and coupled with the narrowband internet of things platform through the connection network, so that the street lamp operation data are transmitted to the narrowband internet of things platform. And when the information reporting time is not reached, the street lamp equipment does not access the connection network. That is to say, the street lamp device is connected to the connection network only when the reporting of the street lamp operation data is required, and the street lamp device is not connected to the connection network when the reporting of the street lamp operation data is not required. The reliability of the street lamp operation data is improved, and the phenomenon of data uploading when the data do not need to be uploaded is avoided.
In an optional embodiment of the invention, the intelligent lighting monitoring management system checks the last patrol record in real time, obtains the reporting time corresponding to each street lamp device from the last patrol record, and performs judgment once at intervals of preset time T0 when judging the online state of the street lamp, wherein T0 is greater than or equal to 5 min.
Specifically, the intelligent illumination monitoring management system judges the online state of the street lamp once every preset time T0, for example, judges every 5min, and does not need to judge every moment, so that the intelligent illumination monitoring management system is not only favorable for judging the online state of the street lamp, but also favorable for reducing the judgment pressure of the intelligent illumination monitoring management system, and the service life of the intelligent illumination monitoring management system is prolonged.
The street lamp online judging method based on the narrowband internet of things provided by the invention is further explained by combining an application example. Fig. 4 is a schematic structural diagram of a street lamp network in the street lamp online status determination method provided by the present invention and a corresponding work flow diagram.
The invention realizes the rapid access of the street lamp facilities, the timely detection of the online condition and the accurate calculation of the online statistical data by utilizing the street lamp hardware facilities, the remote monitoring terminal, the operator base station, the operator Internet of things platform and the intelligent illumination monitoring management system.
Peak offset times referred to in the present invention: the street lamps are enabled to report data in batches, so that the street lamps are not crowded in a time period, and the peak period is avoided.
The heartbeat cycle mentioned in the invention is as follows: the method is the starting point of the street lamp equipment from one time of data reporting to the next time of data reporting.
Referring to the flowchart of fig. 4, the specific work flow is as follows:
the first step is as follows: after the power transmission starting program, the street lamp equipment is converted into millisecond according to the number of the last 3 bits x 2 of the production number of the street lamp equipment to be used as the peak staggering time of the street lamp equipment, and the street lamp equipment is accessed to the NB network after the peak staggering time is reached, so that the equipment reported data received by the base station within one second is within the bearable range.
The second step is that: after the street lamp equipment is connected to a network for the first time, the street lamp sends heartbeat data (including street lamp operation information voltage, current and power, NB (narrow band) network information) to an NB base station, the NB base station transmits the information to an Internet of things platform, and the Internet of things platform pushes the heartbeat data to a corresponding intelligent lighting monitoring management system after receiving the data.
The third step: the intelligent illumination monitoring management system receives the record reported by the street lamp single lamp controller, judges whether the record is heartbeat data, if so, considers that the single lamp data is received, the data is the heartbeat data reported in real time, the time of receiving the data by the system is taken, the time is stored in the last patrol record, and the equipment is judged to be an online street lamp.
The fourth step: when the street lamp reaches a heartbeat period (the heartbeat period is generally set to be 1 hour by an NB network, because the channel keep-alive period between the equipment of an operator, a base station and a physical network platform is 1 hour, the period is stored and consistent in the equipment and the intelligent illumination monitoring system), continuously reporting heartbeat data, and returning to the second step.
The fifth step: the intelligent illumination monitoring system checks the last patrol record in real time, judges every 5 minutes by default, acquires all data from the last patrol record table and judges the off-line state of the street lamp.
And 5.1, if the street lamp does not have the last patrol record, the street lamp equipment is considered to be offline equipment.
And 5.2, if the street lamp has the last patrol record, subtracting the last patrol record from the current time of the system, and setting the time as T1.
And 5.3, acquiring a heartbeat period T2 of the street lamp, wherein if the heartbeat period is set to be relatively small, the equipment frequently uploads data, and the data is more, so that a base station is blocked, the data is not timely delivered, and online judgment is influenced. In addition, the default device on-line channel keeping time is 2 minutes between the operator network and the internet of things platform, so if T2 × 2< (240 seconds), T2 is set to 120 seconds. That is, if the device heartbeat cycle is less than 2 minutes, it is considered online as if a piece of data is received within 4 minutes.
And 5.4, comparing the data with T2 by using T1, and if T1> T2 x 2, judging that the equipment is off-line because the heartbeat data reported by the equipment is not received in 2 times of heartbeat cycles. And if T1< ═ T2 x 2, the device is judged to be online.
And sixthly, the intelligent illumination monitoring management system receives the inspection data of the RTU, updates the state of the single lamp according to the inspection data of the box transformer substation of the RTU, particularly needs to perform power-off control on the box transformer substation before and after sunrise, needs to perform re-judgment on the state of the street lamp once the box transformer substation is monitored to be powered off, and if the power-off control is not monitored, makes the time of offline of the single lamp be out of time.
6.1, judging whether the RTU control branch is on, if the branch is in an on state, determining whether all street lamps under the branch are on line according to the judgment result of the fifth step; and if the branch is in a light-off state, all street lamps under the branch are immediately updated to be off-line.
6.2, judging that the RTU control branch is on, continuously judging information such as voltage, current, power factor and the like on the branch, and if any one is more than 0, determining whether all street lamps under the branch are on line according to the judgment result of the fifth step; if all are 0, all street lamps under the branch are immediately updated to be offline.
The method considers the conditions of mass connection, peak shifting access, box transformer substation power transmission/disconnection, box transformer substation loop disconnection, box transformer substation power failure and the like; the method is also suitable for the street lamp on-line judgment method that the control box can be monitored by a remote monitoring terminal or has no remote monitoring terminal under the same street lamp control box. The algorithm utilizes a street lamp hardware facility, an intelligent lighting monitoring and management system, an operator base station and an operator Internet of things platform to realize the rapid access of the street lamp facility, the timely detection of the online condition and the accurate calculation of the online statistical data. According to the invention, by using the peak-shifting time access of the equipment, the problem that the access base station is blocked in a large-scale and large-range NB-IoT Internet of things communication mode of urban illumination is effectively solved; the method that the equipment actively reports the operation information and the equipment information is regularly patrolled relative to the monitoring center by utilizing the characteristics of the NB-IoT low-power-consumption equipment at the first time of power transmission of the equipment improves the on-line judgment timeliness of the street lamps by more than 15 minutes and enables personnel at the monitoring center to timely master the operation conditions of all the street lamps at the first time of box transmission/power failure.
According to the embodiments, the application has the following beneficial effects:
in the street lamp online state judging method based on the narrowband internet of things, after the street lamp equipment is connected into a street lamp network, the street lamp equipment can actively report street lamp operation information to the intelligent illumination monitoring management system through the narrowband internet of things platform, and compared with a mode that a monitoring center regularly patrols the street lamp equipment, the online judging timeliness of the street lamp equipment is greatly improved, even at least 15 minutes can be improved, so that personnel in the monitoring center can timely master the operation conditions of all street lamps at the first time of box transmission/power failure. And because the narrowband thing networking possesses the characteristics that the consumption is low, when street lamp equipment reported street lamp operation information to command illumination control management system through narrowband thing networking platform, both had been favorable to reducing the consumption, still was favorable to promoting the accurate nature and the reliability of street lamp operation information transmission, consequently was favorable to promoting the accurate nature and the reliability of street lamp online judgement process.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, apparatus, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The foregoing description shows and describes several preferred embodiments of the present application, but as aforementioned, it is to be understood that the application is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the application, which is to be protected by the claims appended hereto.
Claims (8)
1. A street lamp online state judgment method based on a narrow-band Internet of things is characterized in that the street lamp online state judgment method is applied to a street lamp network, the street lamp network comprises street lamp equipment, a narrow-band Internet of things platform and an intelligent illumination monitoring and managing system, wherein the street lamp equipment is coupled with the intelligent illumination monitoring and managing system through the narrow-band Internet of things platform;
the street lamp online state judgment method comprises the following steps:
setting an information reporting period of each street lamp device in the street lamp network, so that each street lamp device actively reports street lamp operation information to the narrowband internet of things platform according to the corresponding information reporting period, the narrowband internet of things platform pushes the street lamp operation information to the intelligent lighting monitoring and management system, and the street lamp operation information comprises voltage, current, power and network information corresponding to the street lamp operation;
the intelligent lighting monitoring management system receives the street lamp operation information in real time, judges whether the street lamp operation information is standard street lamp operation information or not, judges that the received street lamp operation information is real-time street lamp operation information of corresponding street lamp equipment if the street lamp operation information is the standard street lamp operation information, acquires the reporting time of the street lamp operation information, stores the reporting time into a last patrol record, and associates the reporting time with the corresponding street lamp equipment in the last patrol record; if not, ignoring the received street lamp operation information;
the intelligent illumination monitoring management system checks the last patrol record in real time, acquires the reporting time corresponding to each street lamp device from the last patrol record, and judges the on-line state of the street lamps:
if some branch road lamp equipment in the last patrol record does not have corresponding reporting time, judging that the corresponding road lamp equipment is in an off-line state;
if the corresponding reporting time exists in the street lamp equipment in the last patrol record, subtracting the reporting time from the current time of the system to obtain T1; acquiring an information reporting period T2 of the corresponding street lamp equipment;
if T1 is greater than n T2, the corresponding street lamp equipment is judged to be in an off-line state; and if the T1 is not more than n × T2, judging that the corresponding street lamp is in an online state, wherein n is more than 1.
2. The street lamp online state judging method based on the narrowband internet of things as claimed in claim 1, wherein n is 2.
3. The street lamp online state judging method based on the narrowband internet of things as claimed in claim 1, further comprising: setting the first information reporting time of each street lamp device in the street lamp network, so that the first information reporting times of at least part of the street lamp devices are not coincident;
and when the street lamp equipment is accessed into the street lamp network for the first time, the street lamp equipment actively reports the street lamp operation information according to the set first information reporting time and the set information reporting period.
4. The street lamp online state judgment method based on the narrowband internet of things as claimed in claim 3, wherein the first information reporting time of each street lamp device is calculated according to a production number of the street lamp device.
5. The street lamp online state judging method based on the narrowband internet of things as claimed in claim 3, wherein the information reporting periods of the street lamp devices in the street lamp network are the same.
6. The street lamp online state judging method based on the narrowband internet of things according to claim 1, wherein the street lamp network further comprises a remote monitoring terminal, and the remote monitoring terminal is used for performing patrol testing on the street lamp equipment and sending patrol testing data to the intelligent lighting monitoring system;
the wisdom illumination monitoring management system real-time inspection the record is patrolled and examined to the last time, follows acquire in the record is patrolled and examined to the last time of reporting corresponding with each street lamp equipment before carrying out street lamp on-line state's judgement, still include:
the intelligent illumination monitoring management system acquires patrol data sent by the remote monitoring terminal, and judges the state of each branch in the street lamp network according to the patrol data: if the branch is in the off-lamp state, updating all street lamp equipment of the corresponding branch to be in the off-line state; if the street lamp equipment is in the off-line state, acquiring voltage, current and power data of the corresponding branch, and if the voltage, the current and the power are all 0, updating the street lamp equipment on the corresponding branch to be in the off-line state; and if at least one of the voltage, the current and the power is more than 0, executing the step of checking the corresponding last patrol record in real time by the intelligent lighting monitoring management system.
7. The street lamp online state judgment method based on the narrowband Internet of things as claimed in claim 1,
when the street lamp equipment sends street lamp operation information to the narrowband Internet of things platform, the street lamp equipment is connected to a connection network and is coupled with the narrowband Internet of things platform through the connection network; and when the information reporting time is not reached, the street lamp equipment does not access the connection network.
8. The street lamp online state judging method based on the narrowband internet of things according to claim 1, wherein the intelligent lighting monitoring management system checks the last patrol record in real time, obtains the reporting time corresponding to each street lamp device from the last patrol record, and judges the street lamp online state once every preset time T0, wherein T0 is more than or equal to 5 min.
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Denomination of invention: A Method for Determining the Online Status of Street Lights Based on Narrowband IoT Effective date of registration: 20230426 Granted publication date: 20220107 Pledgee: Ji'nan rural commercial bank Limited by Share Ltd. high tech branch Pledgor: TELCHINA WISDOM INDUSTRY GROUP Co.,Ltd. Registration number: Y2023980039319 |