CN107046757B - Self-adaptive street lamp communication system and method - Google Patents
Self-adaptive street lamp communication system and method Download PDFInfo
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- CN107046757B CN107046757B CN201710099709.5A CN201710099709A CN107046757B CN 107046757 B CN107046757 B CN 107046757B CN 201710099709 A CN201710099709 A CN 201710099709A CN 107046757 B CN107046757 B CN 107046757B
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- 238000004891 communication Methods 0.000 title claims abstract description 81
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000012544 monitoring process Methods 0.000 claims abstract description 67
- 230000003044 adaptive effect Effects 0.000 claims description 9
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 230000003111 delayed effect Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 230000003993 interaction Effects 0.000 claims description 2
- 230000002452 interceptive effect Effects 0.000 claims description 2
- 238000012545 processing Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 5
- 238000005286 illumination Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000006698 induction Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007781 pre-processing Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000003247 decreasing effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/175—Controlling the light source by remote control
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Circuit Arrangement For Electric Light Sources In General (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention relates to the technical field of street lamp monitoring, and discloses a self-adaptive street lamp communication system and a self-adaptive street lamp communication method, which are used for intelligently and stably adjusting the state of a street lamp. The invention discloses a self-adaptive street lamp communication method, which comprises the following steps: establishing communication connection of each node of the system to exchange data, wherein any concentrator acquires the mobile information determined by each monitored terminal in a common-frequency time division mode, and then transmits the mobile information determined by each monitored terminal to an adjacent concentrator and/or a remote server in a time division multiplexing mode; and the communication frequency between each concentrator and the monitored monitoring terminal is distributed by the remote server system so that the downlink communication frequency of the adjacent concentrators is not interfered with each other; and when any monitoring terminal detects a moving target and determines the moving information, adjusting the state of the corresponding street lamp according to the locally determined moving information or the instruction forwarded by the corresponding concentrator.
Description
Technical Field
The invention relates to the technical field of street lamp monitoring, in particular to a self-adaptive street lamp communication system and a self-adaptive street lamp communication method.
Background
At present, most street lamps adopt a traditional time control system, a light control system and a moving target induction control system. The time control system switches on and off the street lamp at set time, the control node has simple structure, but the street lamp is always operated at constant power within a period of time; the light control node detects the ambient light intensity by the photosensitive element and turns on the street lamp below a set light intensity value. Generally, a moving target sensing control system adopts hysteresis lighting, and some lighting systems adopt a camera to detect a moving target.
However, the time control system and the light control system cannot adjust the brightness of the street lamp according to the actual conditions of people flow and traffic flow, which causes energy waste. The moving target induction control system usually adopts lagging illumination, namely, an illuminated target can be lightened only when arriving below a street lamp, and the illuminating system adopting the camera to detect the moving target solves the problem of lagging illumination, but does not have the linkage adjusting function.
In order to overcome the defect that the existing street lamp control system cannot intelligently adjust the brightness of the street lamps in a linkage manner, the self-adaptive street lamp control system is required to automatically adjust the brightness of each street lamp in one area according to the working environment, ensure that the street lamps can automatically sense the traffic flow and people flow change of the illuminated street lamps, automatically enter an illumination state before vehicles or people arrive at the street lamps, and automatically and intelligently delay and recover the street lamps to a micro-illumination state after the people leave.
Disclosure of Invention
The invention aims to provide a self-adaptive street lamp communication system and a self-adaptive street lamp communication method, which are used for intelligently and stably adjusting the state of a street lamp.
In order to achieve the above object, the present invention discloses a self-adaptive street lamp communication system, comprising: the system comprises a remote server and at least two concentrators which are in communication connection with the remote server, wherein any concentrator is in communication connection with at least two monitoring terminals;
each monitoring terminal is used for detecting a moving target, determining moving information, sending the determined moving information to the corresponding concentrator as required, and adjusting the state of the corresponding street lamp according to the locally determined moving information or the instruction forwarded by the corresponding concentrator;
each concentrator is used for supervising a group of monitoring terminals, acquiring the mobile information determined by each supervised monitoring terminal in a common-frequency time division mode, and then sending the mobile information determined by each supervised monitoring terminal to an adjacent concentrator and/or the remote server in a time division multiplexing mode;
the remote server is used for exchanging data with the concentrators, distributing communication frequency between the concentrators and the monitored monitoring terminal, and enabling downlink communication frequencies of adjacent concentrators not to interfere with each other.
In order to achieve the above object, the present invention further discloses a self-adaptive street lamp communication method, including:
establishing communication connection of each node of the system for data exchange, wherein the communication connection comprises communication connection between a remote server and each concentrator and communication connection between each concentrator and a corresponding monitoring terminal; any concentrator acquires the mobile information determined by each monitored terminal in a common-frequency time division mode, and then transmits the mobile information determined by each monitored terminal to an adjacent concentrator and/or the remote server in a time division multiplexing mode; communication frequencies between each concentrator and the monitored monitoring terminal are uniformly distributed by the remote server, so that downlink communication frequencies of adjacent concentrators are not interfered with each other;
and when any one monitoring terminal detects a moving target and determines moving information, sending the determined moving information to the corresponding concentrator as required, and adjusting the state of the corresponding street lamp according to the locally determined moving information or the instruction forwarded by the corresponding concentrator.
The invention has the following beneficial effects:
any concentrator can form a local area network with the supervised monitoring terminals, and data exchange with the adjacent local area network is realized through the concentrator, so that the mobile information determined by any monitoring terminal can be timely transmitted to other related monitoring terminals along the line, related data processing is carried out in advance, and the state of each corresponding street lamp is intelligently controlled according to a predicted processing result; and the concentrator adopts the mode of same frequency time division to obtain the movement information determined by each monitored terminal, and carries out frequency distribution through the remote server, so that the downlink communication frequencies of adjacent concentrators are not interfered with each other, the mutual interference among the monitoring terminals of the system is avoided, and the stability of communication is ensured.
The present invention will be described in further detail below with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a flowchart of a communication method of an adaptive street lamp according to an embodiment of the present invention.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
Example one
The embodiment discloses a self-adaptation street lamp communication system, includes: the system comprises a remote server and at least two concentrators which are in communication connection with the remote server, wherein any concentrator is in communication connection with at least two monitoring terminals.
Each monitoring terminal is used for detecting a moving target, determining moving information, sending the determined moving information to the corresponding concentrator as required, and adjusting the state of the corresponding street lamp according to the locally determined moving information or the instruction forwarded by the corresponding concentrator;
each concentrator is used for supervising a group of monitoring terminals, acquiring the movement information determined by each supervised monitoring terminal in a common-frequency time division mode, and then sending the movement information determined by each supervised monitoring terminal to an adjacent concentrator and/or a remote server in a time division multiplexing mode;
and the remote server is used for exchanging data with each concentrator, distributing communication frequency between each concentrator and the monitored monitoring terminal, and enabling downlink communication frequencies of adjacent concentrators not to interfere with each other.
In this embodiment, a local area network may be considered between any concentrator and the monitored monitoring terminal, and specific examples of the common-frequency time division manner are as follows:
setting the longest time of one-way communication between the concentrator and the monitoring terminal as t1If the number of the terminal devices is N, the local area network subsystem is divided into T intervals during the communication time period when the communication is performed in the same frequency time division modeN*t1The communication time interval corresponding to the terminal device numbered n is t ═ n × t1，(n+1)*t1]。
In this embodiment, optionally, the communication between the concentrator may be forwarded by a remote server; or the two can directly carry out point-to-point radio frequency communication. When point-to-point radio frequency communication is adopted, preferably, each concentrator is further configured to obtain positioning information of an adjacent concentrator, calculate a communication distance between the concentrator and the adjacent concentrator, and adjust a radio frequency transmission power value according to the calculated communication distance when data exchange with the adjacent concentrator is required, so that limitation of the communication distance between the concentrators is achieved, generation and transmission of unnecessary data and data processing complexity caused by unnecessary data generation and transmission are avoided, network bandwidth is reduced, and network congestion is avoided. The specific communication form corresponding to the communication mode includes but is not limited to broadcast or multicast, etc. For example, each concentrator may set a neighbor pool to store address information and location information of neighboring concentrators, and carry address information of its own and/or destination concentrator in the transmitted signal, so that the concentrator at the receiving end performs filtering identification. Therefore, the present embodiment can ensure the accuracy of the information transmission exchanged between the concentrators, and preferably, the parallel communication frequency between the concentrators can be also distinguished from the downlink communication frequency in the local area network corresponding to each concentrator, so as to further avoid network congestion and ensure the communication and data exchange capability of the system.
On one hand, the monitoring terminal in the embodiment can actively adjust the state of the street lamp according to the mobile information detected by the monitoring terminal, so as to effectively avoid adjustment delay caused by waiting for the response of the concentrator after reporting the relevant detection information; on the other hand, the street lamp state may also be adjusted according to the movement information or the instruction forwarded by the concentrator, where the movement information forwarded by each concentrator to the governed monitoring terminal includes movement information forwarded by other monitoring terminals or neighboring concentrators in the local area network. The preprocessing of each monitoring terminal according to the acquired movement information mainly comprises the steps of predicting the reaching time of the moving target which arrives fastest and the like so as to make the decision of the consideration factors such as most energy-saving and/or most prolonging the service life of equipment on the adjustment of the state of the street lamp.
Preferably, each monitoring terminal is further configured to obtain state information of the current street lamp when an interaction time slot with the corresponding concentrator arrives, further determine whether the current street lamp is a head-end node of the corresponding concentrator if the current street lamp is at a maximum brightness and a moving target is detected, and if the current street lamp is not the head-end node, send time slot data to the corresponding concentrator to be null; and if the mobile terminal is the head node and the tail node, filling corresponding mobile information in the time slot data sent to the corresponding concentrator. Therefore, the intermediate nodes and the first and last nodes in the local area network corresponding to the same concentrator are distinguished, the first and last nodes can provide more timely and more accurate detection data for the left and right adjacent concentrators, and the situation that when the brightness corresponding to all monitoring terminals governed by any concentrator is in the brightest state (for example, in the case of traffic jam and other scenes), no data can be transmitted to cause the adjacent concentrators to generate misjudgment can be effectively avoided. Meanwhile, when the maximum brightness of each intermediate node is reached and a moving target is detected, the full lighting state of the street lamp can be automatically delayed, and time slot data screening is omitted (for example, when the moving information of at least two moving targets is detected in any period, single or multiple pieces of moving information which are most effective in preprocessing other monitoring terminals are sent together by calculating and screening), so that the network transmission bandwidth is reduced, and the resource utilization rate is improved.
Further, each concentrator in this embodiment is provided with a GPRS module for synchronizing a system clock, and each monitoring terminal is further configured to carry delay information determined according to the synchronized system clock in mobile information sent to the concentrator, so that other nodes in the system disclosed in this embodiment can accurately determine the actual arrival time of the mobile target, thereby compensating for data distortion caused by the detection data in the same-frequency time division manner before the corresponding time slot does not arrive.
In summary, in the adaptive street lamp communication system disclosed in this embodiment, any concentrator may form a local area network with the managed monitoring terminals, and data exchange with an adjacent local area network is implemented through the concentrator, so that the mobile information determined by any monitoring terminal can be timely transmitted to other monitoring terminals related along the line, so as to perform related data processing in advance and intelligently control the state of each corresponding street lamp according to a predicted processing result; and the concentrator adopts the mode of same frequency time division to obtain the movement information determined by each monitored terminal, and carries out frequency distribution through the remote server, so that the downlink communication frequencies of adjacent concentrators are not interfered with each other, the mutual interference among the monitoring terminals of the system is avoided, and the stability of communication is ensured.
Example two
Corresponding to the above system, the present embodiment discloses a self-adaptive street lamp communication method, as shown in fig. 1, including:
step S1, establishing communication connection of each node of the system for data exchange, including communication connection between the remote server and each concentrator and communication connection between each concentrator and the corresponding monitoring terminal; any concentrator acquires the mobile information determined by each monitored terminal in a common-frequency time division mode, and then transmits the mobile information determined by each monitored terminal to an adjacent concentrator and/or a remote server in a time division multiplexing mode; and the communication frequency between each concentrator and the monitored monitoring terminal is uniformly distributed by the remote server, so that the downlink communication frequencies of adjacent concentrators are not interfered with each other.
Step S2, after any monitoring terminal detects the moving object and determines the moving information, the determined moving information is sent to the corresponding concentrator as required, and the state of the corresponding street lamp is adjusted according to the locally determined moving information, or the moving information or the instruction forwarded by the corresponding concentrator. The mobile information forwarded by each concentrator to the managed monitoring terminal comprises the mobile information forwarded by other monitoring terminals or adjacent concentrators in the local area network.
Preferably, the method may further include:
each concentrator acquires the positioning information of the adjacent concentrator, calculates the communication distance between the concentrator and the adjacent concentrator, and adjusts the radio frequency transmitting power value according to the calculated communication distance when data exchange is required to be carried out between the concentrator and the adjacent concentrator.
Preferably, the method may further include:
each monitoring terminal acquires the state information of the current street lamp when the interactive time slot with the corresponding concentrator arrives, if the current street lamp has the maximum brightness and a moving target is detected, whether the street lamp is the first node or the last node of the corresponding concentrator is further judged, and if the street lamp is not the first node or the last node, the time slot data sent to the corresponding concentrator is empty; and if the mobile terminal is the head node and the tail node, filling corresponding mobile information in the time slot data sent to the corresponding concentrator. Further, a GPRS module for synchronizing the system clock is provided in each concentrator, and correspondingly, each monitoring terminal carries delay information determined according to the synchronized system clock in the mobile information sent to the concentrator.
Furthermore, when each monitoring terminal does not detect that a new moving target arrives within a set interval time after detecting that the moving target leaves and does not calculate that the moving target is coming from the moving information forwarded by the concentrator, the brightness of the street lamp is adjusted to be decreased until the street lamp is extinguished or adjusted to the lowest brightness.
Similarly, in the adaptive street lamp communication method disclosed in this embodiment, any concentrator may form a local area network with the supervised monitoring terminals, and data exchange with the adjacent local area network is realized through the concentrator, so that the mobile information determined by any monitoring terminal can be timely transmitted to other monitoring terminals related along the line, so as to perform related data processing in advance and intelligently control the state of each corresponding street lamp according to the predicted processing result; and the concentrator adopts the mode of same frequency time division to obtain the movement information determined by each monitored terminal, and carries out frequency distribution through the remote server, so that the downlink communication frequencies of adjacent concentrators are not interfered with each other, the mutual interference among the monitoring terminals of the system is avoided, and the stability of communication is ensured.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. An adaptive street lamp communication system, comprising: the system comprises a remote server and at least two concentrators which are in communication connection with the remote server, wherein any concentrator is in communication connection with at least two monitoring terminals;
each monitoring terminal is used for detecting a moving target, determining moving information, sending the determined moving information to the corresponding concentrator as required, and adjusting the state of the corresponding street lamp according to the locally determined moving information or the instruction forwarded by the corresponding concentrator; each monitoring terminal is further used for acquiring the state information of the current street lamp when the interaction time slot with the corresponding concentrator arrives, further judging whether the street lamp is the first node or the last node of the corresponding concentrator if the current street lamp has the maximum brightness and a moving target is detected, and if the street lamp is not the first node or the last node, the time slot data sent to the corresponding concentrator is empty; if the mobile terminal is the head node and the tail node, filling corresponding mobile information in the time slot data sent to the corresponding concentrator; when the maximum brightness of each intermediate node is detected and a moving target is detected, the full lighting state of the street lamp is automatically delayed;
each concentrator is used for supervising a group of monitoring terminals, acquiring the mobile information determined by each supervised monitoring terminal in a common-frequency time division mode, and then sending the mobile information determined by each supervised monitoring terminal to an adjacent concentrator and/or the remote server in a time division multiplexing mode;
the remote server is used for exchanging data with the concentrators, distributing communication frequency between each concentrator and the monitored monitoring terminal, and enabling downlink communication frequencies of adjacent concentrators not to interfere with each other;
when the concentrator communicates with the concentrator: each concentrator is also used for obtaining the positioning information of the adjacent concentrator, calculating the communication distance between the concentrator and the adjacent concentrator, when data exchange is needed to be carried out with the adjacent concentrator, adjusting the radio frequency transmitting power value according to the calculated communication distance, and/or each concentrator is provided with a neighbor pool to store the address information and the position information of the adjacent concentrator, and the sent signal carries the address information of the concentrator per se and/or the destination concentrator for the concentrator of the receiving end to carry out filtering identification.
2. The adaptive street lamp communication system according to claim 1, wherein the movement information forwarded by each concentrator to the managed monitoring terminal comprises movement information forwarded by other monitoring terminals or neighboring concentrators in a local area network.
3. The adaptive street lamp communication system according to claim 2, wherein each concentrator is provided with a GPRS module for synchronizing a system clock, and each monitoring terminal is further configured to carry delay information determined according to the synchronized system clock in the mobile information sent to the concentrator.
4. An adaptive street lamp communication method applied to the system of any one of claims 1 to 3, characterized by comprising:
establishing communication connection of each node of the system for data exchange, wherein the communication connection comprises communication connection between a remote server and each concentrator and communication connection between each concentrator and a corresponding monitoring terminal; any concentrator acquires the mobile information determined by each monitored terminal in a common-frequency time division mode, and then transmits the mobile information determined by each monitored terminal to an adjacent concentrator and/or the remote server in a time division multiplexing mode; communication frequencies between each concentrator and the monitored monitoring terminal are uniformly distributed by the remote server, so that downlink communication frequencies of adjacent concentrators are not interfered with each other;
when any monitoring terminal detects a moving target and determines moving information, the determined moving information is sent to the corresponding concentrator as required, and the state of the corresponding street lamp is adjusted according to the locally determined moving information or the instruction forwarded by the corresponding concentrator; each monitoring terminal acquires the state information of the current street lamp when the interactive time slot with the corresponding concentrator arrives, if the current street lamp has the maximum brightness and a moving target is detected, whether the current street lamp is the first node or the last node of the corresponding concentrator is further judged, and if the current street lamp is not the first node or the last node, the time slot data sent to the corresponding concentrator is empty; if the mobile terminal is the head node and the tail node, filling corresponding mobile information in the time slot data sent to the corresponding concentrator; when the maximum brightness of each intermediate node is detected and a moving target is detected, the full lighting state of the street lamp is automatically delayed;
when the concentrator communicates with the concentrator: each concentrator obtains the positioning information of the adjacent concentrator, calculates the communication distance between the concentrator and the adjacent concentrator, adjusts the radio frequency emission power value according to the calculated communication distance when data exchange is needed to be carried out with the adjacent concentrator, and/or each concentrator is provided with a neighbor pool to store the address information and the position information of the adjacent concentrator, and the sent signal carries the address information of the concentrator per se and/or the destination concentrator for the concentrator of the receiving end to carry out filtering identification.
5. The adaptive street lamp communication method according to claim 4, wherein the mobile information forwarded by each concentrator to the managed monitoring terminal comprises mobile information forwarded by other monitoring terminals or neighboring concentrators in a local area network.
6. The adaptive street lamp communication method according to claim 5, further comprising:
and correspondingly, each monitoring terminal carries delay information determined according to the synchronized system clock in the mobile information sent to the concentrator.
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| CN201710099709.5A CN107046757B (en) | 2017-02-23 | 2017-02-23 | Self-adaptive street lamp communication system and method |
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| CN201710099709.5A CN107046757B (en) | 2017-02-23 | 2017-02-23 | Self-adaptive street lamp communication system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2002083301A (en) * | 2000-09-06 | 2002-03-22 | Mitsubishi Electric Corp | Traffic monitoring device |
| CN101336028A (en) * | 2008-08-01 | 2008-12-31 | 深圳磊明科技有限公司 | Bidirectional daisy-chain cascades light network control method and system |
| JP5267117B2 (en) * | 2008-12-26 | 2013-08-21 | セイコーエプソン株式会社 | Discharge lamp lighting device, projector, and control method of discharge lamp lighting device |
| CN101499823B (en) * | 2009-01-21 | 2012-12-12 | 北京纳思电器有限公司 | Power line carrier communication apparatus and method |
| CN101848027A (en) * | 2010-06-19 | 2010-09-29 | 哈尔滨工程大学 | Radio-hydroacoustic remote control system and remote control method |
| CN202979400U (en) * | 2012-11-30 | 2013-06-05 | 山东泰华电讯有限责任公司 | Remote street lamp monitoring system based on power line carrier transmission mode |
| CN103561511B (en) * | 2013-10-25 | 2015-10-28 | 华南理工大学 | The road lighting control method that a kind of brightness is controlled and system |
| CN105722293B (en) * | 2016-03-24 | 2019-01-04 | 厦门市朗星节能照明股份有限公司 | A kind of intelligent road-lamp lever system |
| CN106455251A (en) * | 2016-09-12 | 2017-02-22 | 湖南农业大学 | Adaptive streetlamp control method and system, and nodes for executing adaptive streetlamp control method |
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