CN104735886B - Streetlamp phase detecting method - Google Patents
Streetlamp phase detecting method Download PDFInfo
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- CN104735886B CN104735886B CN201510177968.6A CN201510177968A CN104735886B CN 104735886 B CN104735886 B CN 104735886B CN 201510177968 A CN201510177968 A CN 201510177968A CN 104735886 B CN104735886 B CN 104735886B
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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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Abstract
The invention relates to the field of intelligent streetlamps, in particular to a streetlamp phase detecting method. The method includes: an integrated controller detects the zero crossing point of the A phase of a three-phase power supply circuit; the integrated controller transmits a phase detecting data frame to the single-lamp controller of each first-level streetlamp node so as to detect and collect the phase where the single-lamp controller of each first-level streetlamp node is located; the integrated controller transmits a phase detecting data frame to the single-lamp controller of each second-level streetlamp node so as to detect and collect the phase where the single-lamp controller of each second-level streetlamp node is located; ...; the integrated controller transmits a phase detecting data frame to the single-lamp controller of each N-level streetlamp node so as to detect and collect the phase where the single-lamp controller of each N-level streetlamp node is located. By the streetlamp phase detecting method widely applicable to streetlamp intelligent management, the phase where each streetlamp in a streetlamp network is located can be automatically detected.
Description
Technical field
The present invention relates to intelligent road-lamp field, more particularly to a kind of street lamp method for detecting phases.
Background technology
In street lamp installation process, installation personnel needs to ensure that street lamp can be distributed evenly in three-phase power line as far as possible
Each phase, can otherwise cause the adverse consequences such as power consumption efficiency is reduced, street lamp uneven illumination is even.
The content of the invention
In order to solve the technical problem that streetlamp management system automatic detection goes out each street lamp place phase place, the present invention proposes one
Street lamp method for detecting phases is planted, is comprised the steps：
S1, the zero crossing of the A phases in Centralized Controller detection three-phase power line；Single-lamp controller detects power supply that it is located
The zero crossing of phase；
S2, A phases occur by just to negative zero passage when, Centralized Controller to the single-lamp controller of all one-level street-lamp nodes is sent out
Go out phase-detection Frame；
S3, the single-lamp controller of certain one-level street-lamp node is received after the phase-detection Frame that Centralized Controller sends,
By the time point of the phase-detection data frame in for receiving and the single-lamp controller of the one-level street-lamp node detect by just to
Zero-crossing timing point during negative zero passage is compared, and obtains the accumulative zero crossing time difference, and according to the accumulative zero crossing step-out time analysis this is gone out
The single-lamp controller place phase place of one-level street-lamp node：If the accumulative zero crossing time difference is in [16.7,20] and [0,3.3] millisecond
Interval, shows the single-lamp controller and Centralized Controller homophase of the one-level street-lamp node；If the accumulative zero crossing time difference exists
(3.3,10] millisecond interval, it is 120 degree that the single-lamp controller and Centralized Controller for showing the one-level street-lamp node is differed；If should
The accumulative zero crossing time difference is (10,16.7) millisecond is interval, shows the single-lamp controller and Centralized Controller of the one-level street-lamp node
Differ as 240 degree；
S4, Centralized Controller by single lamp control from the single-lamp controller of each one-level street-lamp node to all second grade highway Lantern Festival points
Device processed sends phase-detection Frame；
S5, the single-lamp controller of certain one-level street-lamp node is received after the phase-detection Frame that Centralized Controller sends,
Calculate being controlled with concentrating by the zero-crossing timing point just when zero passage is born detected by the single-lamp controller of the one-level street-lamp node
Detected by device processed by just to the accumulative zero crossing time difference zero-crossing timing point during negative zero passage；When the one-level street-lamp node
During zero passage, the single-lamp controller of the one-level street-lamp node sends phase to the single-lamp controller of its all second grade highway Lantern Festival point administered
Position detection data frame, the single-lamp controller of the single-lamp controller of the one-level street-lamp node to its all second grade highway Lantern Festival point administered
The accumulative zero crossing time difference of the phase-detection data frame in for sending is detected by the single-lamp controller of the one-level street-lamp node
Zero-crossing timing point by when just to negative zero passage detected by with Centralized Controller by the zero-crossing timing point just when zero passage is born it
Between the accumulative zero crossing time difference；The single lamp control of certain second grade highway Lantern Festival point that the single-lamp controller of the one-level street-lamp node is administered
Device is received after the phase-detection Frame that the single-lamp controller of the one-level street-lamp node sends, according to the second grade highway Lantern Festival point
Single-lamp controller detect by just being examined with the single-lamp controller of the one-level street-lamp node to zero-crossing timing point during negative zero passage
What is measured is managed from the single-lamp controller for crossing zero time difference and the one-level street-lamp node just to zero-crossing timing point during negative zero passage to it
The accumulative zero crossing time difference of the phase-detection data frame in that the single-lamp controller of all second grade highway Lantern Festival points of linchpin sends calculates
Detected by the single-lamp controller of the second grade highway Lantern Festival point by just to zero-crossing timing point during negative zero passage and Centralized Controller institute
Detect by just to the accumulative zero crossing time difference zero-crossing timing point during negative zero passage, according to difference during the accumulative zero crossing
Separate out the single-lamp controller place phase place of the second grade highway Lantern Festival point：If the accumulative zero crossing time difference [16.7,20] and [0,
3.3] millisecond is interval, shows the single-lamp controller and Centralized Controller homophase of the second grade highway Lantern Festival point；If the accumulative zero crossing
The time difference (3.3,10] millisecond is interval, it is 120 degree to show that the single-lamp controller of the second grade highway Lantern Festival point is differed with Centralized Controller；
If the accumulative zero crossing time difference is (10,16.7) millisecond is interval, shows the single-lamp controller of the second grade highway Lantern Festival point and concentrates
Controller difference is 240 degree；
S6, by that analogy, Centralized Controller is by the single-lamp controller of each one-level street-lamp node, each second grade highway Lantern Festival point
Single-lamp controller ..., the single-lamp controller of each N-1 levels street-lamp node sends to the single-lamp controller of all N levels street-lamp nodes
Phase-detection Frame；
S7, the single-lamp controller of certain N-1 level street-lamp node receives the single-lamp controller of the N-2 level street-lamp nodes belonging to it
After the phase-detection Frame for sending, calculate detected by the single-lamp controller of the N-1 level street-lamp nodes by just to bearing
Detected by zero-crossing timing point and Centralized Controller when zero by just to adding up zero-crossing timing point during negative zero passage
The zero point time difference；When the N-1 level street-lamp node zero passages, all N levels that the single-lamp controller of the N-1 level street-lamp nodes is administered to it
The single-lamp controller of street-lamp node sends phase-detection Frame, what the single-lamp controller of the N-1 level street-lamp nodes was administered to it
The accumulative zero crossing time difference of the phase-detection data frame in that the single-lamp controller of all N levels street-lamp nodes sends is the N-1 levels road
The zero-crossing timing point by when just to negative zero passage detected by the single-lamp controller of Lantern Festival point is detected by with Centralized Controller
By just to the accumulative zero crossing time difference zero-crossing timing point during negative zero passage；The single-lamp controller institute of the N-1 level street-lamp nodes
The single-lamp controller of certain N level street-lamp node of administration receives the phase place inspection that the single-lamp controller of the N-1 level street-lamp nodes sends
After surveying Frame, according to the single-lamp controller of the N level street-lamp nodes detect by just to zero-crossing timing point during negative zero passage and
Crossing zero time difference and being somebody's turn to do by the zero-crossing timing point just when zero passage is born detected by the single-lamp controller of the N-1 level street-lamp nodes
The phase-detection that the single-lamp controller of N-1 level street-lamp nodes sends to the single-lamp controller of its all N levels street-lamp node administered
The accumulative zero crossing time difference of data frame in calculate detected by the single-lamp controller of the N level street-lamp nodes by just to negative zero passage
When zero-crossing timing point and Centralized Controller detected by by just to the accumulative zero passage zero-crossing timing point during negative zero passage
The point time difference, according to the accumulative zero crossing step-out time analysis single-lamp controller place phase place of the N level street-lamp nodes is gone out：If this adds up
The zero crossing time difference is interval in [16.7,20] and [0,3.3] millisecond, shows the single-lamp controller of the N level street-lamp nodes and concentrates control
Device homophase processed；If the accumulative zero crossing time difference (3.3,10] millisecond is interval, shows the single-lamp controller of the N level street-lamp nodes
Differ with Centralized Controller as 120 degree；If the accumulative zero crossing time difference is (10,16.7) millisecond is interval, shows the N level street lamps
The single-lamp controller of node is differed as 240 degree with Centralized Controller.
The street lamp method for detecting phases of the present invention, can go out the phase place that each street lamp is located in road lamp network with automatic detection；Such as
Fruit streetlamp management system finds that the street lamp in road lamp network is excessively uneven in the distribution of each phase, can report to the police；The road of the present invention
Lamp method for detecting phases is widely used in the intelligent management of street lamp.
Description of the drawings
Fig. 1 is road lamp network schematic diagram.
Fig. 2 is the flow chart of the street lamp method for detecting phases of the embodiment of the present invention 1.
Specific embodiment
Describe the street lamp method for detecting phases of the present invention in detail below in conjunction with the accompanying drawings.
Road lamp network is as shown in Figure 1.
Embodiment 1
As shown in Fig. 2 the street lamp method for detecting phases of the present invention, comprises the steps：
S1, the zero crossing of the A phases in Centralized Controller detection three-phase power line；Single-lamp controller detects power supply that it is located
The zero crossing of phase；
S2, A phases occur by just to negative zero passage when, Centralized Controller to the single-lamp controller of all one-level street-lamp nodes is sent out
Go out phase-detection Frame to detect, collect the single-lamp controller institute of all one-level street-lamp nodes that the Centralized Controller is administered
Phase place；In the present invention, the node being located with the single-lamp controller of Centralized Controller direction communication is referred to as into first nodes, will
Cannot be with Centralized Controller direction communication, the list that only just can need to be communicated with Centralized Controller by the single-lamp controller of first nodes
The node that lamp controller is located is referred to as two-level node ... ..., by that analogy, will be unable to Centralized Controller direction communication and only
Need to pass through N-1 level nodes, N-2 level nodes, N-3 level nodes ..., the single-lamp controller of two-level node, first nodes just can be with
The node that the single-lamp controller of Centralized Controller communication is located is referred to as N level nodes；
S3, the single-lamp controller of certain one-level street-lamp node is received after the phase-detection Frame that Centralized Controller sends,
By the time point of the phase-detection data frame in for receiving and the single-lamp controller of the one-level street-lamp node detect by just to
Zero-crossing timing point during negative zero passage is compared, and obtains the accumulative zero crossing time difference, and the resolution ratio of the accumulative zero crossing time difference is
0.1 millisecond；Electric power system for 50Hz, the accumulative zero crossing time difference often just deducts 20 milliseconds with back to zero more than 20 milliseconds, for example
The accumulative zero crossing time difference be 23 milliseconds when then by its back to zero be 3 milliseconds；Electric power system for 60Hz, adds up the zero crossing time difference every
16.7 milliseconds are just deducted more than 16.7 milliseconds with back to zero, it is then 1 by its back to zero when being 17.7 milliseconds for example to add up the zero crossing time difference
Millisecond；This is somewhat like clock and watch, for clock and watch, using 12 hours it is processed when, reading often just deducted more than 12 hours 12 with
We are referred to as at 1 point when back to zero, such as reading are 13；Go out the one-level street-lamp node according to the accumulative zero crossing step-out time analysis
Single-lamp controller place phase place：If the accumulative zero crossing time difference is interval in [16.7,20] and [0,3.3] millisecond, show this
The single-lamp controller of one-level street-lamp node and Centralized Controller homophase；If the accumulative zero crossing time difference (3.3,10] millisecond area
Between, the single-lamp controller and Centralized Controller for showing the one-level street-lamp node is differed as 120 degree；If the accumulative zero crossing time difference
(10,16.7) millisecond interval, it is 240 degree that the single-lamp controller and Centralized Controller for showing the one-level street-lamp node is differed；
S4, Centralized Controller by single lamp control from the single-lamp controller of each one-level street-lamp node to all second grade highway Lantern Festival points
Device processed sends phase-detection Frame to detect, collect single lamp control of all second grade highway Lantern Festival points that the Centralized Controller is administered
The phase place that device processed is located；
S5, the single-lamp controller of certain one-level street-lamp node is received after the phase-detection Frame that Centralized Controller sends,
Calculate being controlled with concentrating by the zero-crossing timing point just when zero passage is born detected by the single-lamp controller of the one-level street-lamp node
Detected by device processed by just to the accumulative zero crossing time difference zero-crossing timing point during negative zero passage；When the one-level street-lamp node
During zero passage, the single-lamp controller of the one-level street-lamp node sends phase to the single-lamp controller of its all second grade highway Lantern Festival point administered
Position detection data frame, the single-lamp controller of the single-lamp controller of the one-level street-lamp node to its all second grade highway Lantern Festival point administered
The accumulative zero crossing time difference of the phase-detection data frame in for sending is detected by the single-lamp controller of the one-level street-lamp node
Zero-crossing timing point by when just to negative zero passage detected by with Centralized Controller by the zero-crossing timing point just when zero passage is born it
Between the accumulative zero crossing time difference；The single lamp control of certain second grade highway Lantern Festival point that the single-lamp controller of the one-level street-lamp node is administered
Device is received after the phase-detection Frame that the single-lamp controller of the one-level street-lamp node sends, according to the second grade highway Lantern Festival point
Single-lamp controller detect by just being examined with the single-lamp controller of the one-level street-lamp node to zero-crossing timing point during negative zero passage
What is measured is managed from the single-lamp controller for crossing zero time difference and the one-level street-lamp node just to zero-crossing timing point during negative zero passage to it
The accumulative zero crossing time difference of the phase-detection data frame in that the single-lamp controller of all second grade highway Lantern Festival points of linchpin sends calculates
Detected by the single-lamp controller of the second grade highway Lantern Festival point by just to zero-crossing timing point during negative zero passage and Centralized Controller institute
Detect by just to the accumulative zero crossing time difference zero-crossing timing point during negative zero passage, according to difference during the accumulative zero crossing
Separate out the single-lamp controller place phase place of the second grade highway Lantern Festival point：If the accumulative zero crossing time difference [16.7,20] and [0,
3.3] millisecond is interval, shows the single-lamp controller and Centralized Controller homophase of the second grade highway Lantern Festival point；If the accumulative zero crossing
The time difference (3.3,10] millisecond is interval, it is 120 degree to show that the single-lamp controller of the second grade highway Lantern Festival point is differed with Centralized Controller；
If the accumulative zero crossing time difference is (10,16.7) millisecond is interval, shows the single-lamp controller of the second grade highway Lantern Festival point and concentrates
Controller difference is 240 degree；
S6, by that analogy, Centralized Controller is by the single-lamp controller of each one-level street-lamp node, each second grade highway Lantern Festival point
Single-lamp controller ..., the single-lamp controller of each N-1 levels street-lamp node sends to the single-lamp controller of all N levels street-lamp nodes
Phase-detection Frame is located with the single-lamp controller for detecting, collecting all N levels street-lamp nodes that the Centralized Controller is administered
Phase place；
S7, the single-lamp controller of certain N-1 level street-lamp node receives the single-lamp controller of the N-2 level street-lamp nodes belonging to it
After the phase-detection Frame for sending, calculate detected by the single-lamp controller of the N-1 level street-lamp nodes by just to bearing
Detected by zero-crossing timing point and Centralized Controller when zero by just to adding up zero-crossing timing point during negative zero passage
The zero point time difference；When the N-1 level street-lamp node zero passages, all N levels that the single-lamp controller of the N-1 level street-lamp nodes is administered to it
The single-lamp controller of street-lamp node sends phase-detection Frame, what the single-lamp controller of the N-1 level street-lamp nodes was administered to it
The accumulative zero crossing time difference of the phase-detection data frame in that the single-lamp controller of all N levels street-lamp nodes sends is the N-1 levels road
The zero-crossing timing point by when just to negative zero passage detected by the single-lamp controller of Lantern Festival point is detected by with Centralized Controller
By just to the accumulative zero crossing time difference zero-crossing timing point during negative zero passage；The single-lamp controller institute of the N-1 level street-lamp nodes
The single-lamp controller of certain N level street-lamp node of administration receives the phase place inspection that the single-lamp controller of the N-1 level street-lamp nodes sends
After surveying Frame, according to the single-lamp controller of the N level street-lamp nodes detect by just to zero-crossing timing point during negative zero passage and
Crossing zero time difference and being somebody's turn to do by the zero-crossing timing point just when zero passage is born detected by the single-lamp controller of the N-1 level street-lamp nodes
The phase-detection that the single-lamp controller of N-1 level street-lamp nodes sends to the single-lamp controller of its all N levels street-lamp node administered
The accumulative zero crossing time difference of data frame in calculate detected by the single-lamp controller of the N level street-lamp nodes by just to negative zero passage
When zero-crossing timing point and Centralized Controller detected by by just to the accumulative zero passage zero-crossing timing point during negative zero passage
The point time difference, according to the accumulative zero crossing step-out time analysis single-lamp controller place phase place of the N level street-lamp nodes is gone out：If this adds up
The zero crossing time difference is interval in [16.7,20] and [0,3.3] millisecond, shows the single-lamp controller of the N level street-lamp nodes and concentrates control
Device homophase processed；If the accumulative zero crossing time difference (3.3,10] millisecond is interval, shows the single-lamp controller of the N level street-lamp nodes
Differ with Centralized Controller as 120 degree；If the accumulative zero crossing time difference is (10,16.7) millisecond is interval, shows the N level street lamps
The single-lamp controller of node is differed as 240 degree with Centralized Controller.
When described phase-detection Frame includes communication frame head point, phase-detection order character segment, accumulative zero crossing
Difference part and communication trailer sections.Communication frame head portion includes start-of-frame part, destination address part and source address portion.Institute
It is CRC check value to state communication trailer sections.
The street lamp method for detecting phases can also comprise the steps：When Centralized Controller has collected its institute administered
After the phase place that the single-lamp controller of the street-lamp nodes at different levels having is located, the street lamp quantity in each phase is calculated；If it find that road
Street lamp in lamp network is excessively uneven in the distribution of each phase, then can report to the police.
Claims (8)
1. a kind of street lamp method for detecting phases, it is characterised in that comprise the steps：
S1, the zero crossing of the A phases in Centralized Controller detection three-phase power line；Single-lamp controller detects power supply phase that it is located
Zero crossing；
S2, A phases occur by just to negative zero passage when, Centralized Controller to the single-lamp controller of all one-level street-lamp nodes sends phase
Position detection data frame；
S3, the single-lamp controller of certain one-level street-lamp node is received after the phase-detection Frame that Centralized Controller sends, and will be connect
The Centralized Controller of the phase-detection data frame in for receiving detect by just to the zero-crossing timing point and one-level during negative zero passage
The single-lamp controller of street-lamp node detect by being just compared to zero-crossing timing point during negative zero passage, obtain accumulative zero crossing
The time difference, according to the accumulative zero crossing step-out time analysis single-lamp controller place phase place of the one-level street-lamp node is gone out：If this adds up
The zero crossing time difference is interval in [16.7,20] or [0,3.3] millisecond, shows the single-lamp controller of the one-level street-lamp node and concentrates control
Device homophase processed；If the accumulative zero crossing time difference (3.3,10] millisecond is interval, shows the single lamp control of the one-level street-lamp node
Device is differed as 120 degree with Centralized Controller；If the accumulative zero crossing time difference is (10,16.7) millisecond is interval, shows the one-level
The single-lamp controller of street-lamp node is differed as 240 degree with Centralized Controller；
S4, Centralized Controller by single-lamp controller from the single-lamp controller of each one-level street-lamp node to all second grade highway Lantern Festival points
Send phase-detection Frame；
S5, the single-lamp controller of certain one-level street-lamp node is received after the phase-detection Frame that Centralized Controller sends, and is calculated
Go out detected by the single-lamp controller of the one-level street-lamp node by just to the zero-crossing timing point and Centralized Controller during negative zero passage
It is detected by just to the accumulative zero crossing time difference zero-crossing timing point during negative zero passage；When the one-level street-lamp node zero passage
When, the single-lamp controller of the one-level street-lamp node sends phase place inspection to the single-lamp controller of its all second grade highway Lantern Festival point administered
Frame is surveyed, the single-lamp controller of the one-level street-lamp node sends to the single-lamp controller of its all second grade highway Lantern Festival point administered
Accumulative zero crossing time difference of phase-detection data frame in be by just detected by the single-lamp controller of the one-level street-lamp node
To detected by the zero-crossing timing point and Centralized Controller during negative zero passage by just to zero-crossing timing point during negative zero passage
The accumulative zero crossing time difference；The single-lamp controller of certain second grade highway Lantern Festival point that the single-lamp controller of the one-level street-lamp node is administered connects
After receiving the phase-detection Frame that the single-lamp controller of the one-level street-lamp node sends, according to single lamp of the second grade highway Lantern Festival point
Detected by the single-lamp controller of the zero-crossing timing point by when just to negative zero passage that controller is detected and the one-level street-lamp node
Administered to it from the single-lamp controller of crossing zero time difference and the one-level street-lamp node just to zero-crossing timing point during negative zero passage
The accumulative zero crossing time difference of the phase-detection data frame in that the single-lamp controller of all second grade highway Lantern Festival points sends calculate this two
Level street-lamp node single-lamp controller detected by by just to bear zero passage when zero-crossing timing point detected with Centralized Controller
That what is arrived, to the accumulative zero crossing time difference zero-crossing timing point during negative zero passage, is gone out by just according to the accumulative zero crossing step-out time analysis
The single-lamp controller place phase place of the second grade highway Lantern Festival point：If the accumulative zero crossing time difference is in [16.7,20] or [0,3.3] milli
Second is interval, shows the single-lamp controller and Centralized Controller homophase of the second grade highway Lantern Festival point；If the accumulative zero crossing time difference exists
(3.3,10] millisecond interval, it is 120 degree to show that the single-lamp controller of the second grade highway Lantern Festival point is differed with Centralized Controller；If should
The accumulative zero crossing time difference is (10,16.7) millisecond is interval, shows the single-lamp controller and Centralized Controller of the second grade highway Lantern Festival point
Differ as 240 degree；
S6, by that analogy, Centralized Controller is by the single-lamp controller of each one-level street-lamp node, single lamp of each second grade highway Lantern Festival point
Controller ..., the single-lamp controller of each N-1 levels street-lamp node send phase place to the single-lamp controller of all N levels street-lamp nodes
Detection data frame；
S7, the single-lamp controller of certain N-1 level street-lamp node receives the single-lamp controller of the N-2 level street-lamp nodes belonging to it and sends
Phase-detection Frame after, calculate detected by the single-lamp controller of the N-1 level street-lamp nodes by just to negative zero passage when
Zero-crossing timing point and Centralized Controller detected by by just to the accumulative zero crossing zero-crossing timing point during negative zero passage
The time difference；When the N-1 level street-lamp node zero passages, all N levels street lamps that the single-lamp controller of the N-1 level street-lamp nodes is administered to it
The single-lamp controller of node sends phase-detection Frame, all N that the single-lamp controller of the N-1 level street-lamp nodes is administered to it
The accumulative zero crossing time difference of the phase-detection data frame in that the single-lamp controller of level street-lamp node sends is the N-1 level street-lamp nodes
Single-lamp controller detected by the zero-crossing timing point by when just to negative zero passage detected by with Centralized Controller by just to
The accumulative zero crossing time difference between zero-crossing timing point during negative zero passage；What the single-lamp controller of the N-1 level street-lamp nodes was administered
The single-lamp controller of certain N level street-lamp node receives the phase-detection data that the single-lamp controller of the N-1 level street-lamp nodes sends
After frame, according to the single-lamp controller of the N level street-lamp nodes detect by just to the zero-crossing timing point and N-1 levels during negative zero passage
Zero time difference and the N-1 levels road are crossed by the zero-crossing timing point just when zero passage is born detected by the single-lamp controller of street-lamp node
The phase-detection data frame in that the single-lamp controller of Lantern Festival point sends to the single-lamp controller of its all N levels street-lamp node administered
The accumulative zero crossing time difference calculate detected by the single-lamp controller of the N level street-lamp nodes by just to zero passage during negative zero passage
Detected by time point and Centralized Controller by just to the accumulative zero crossing time difference zero-crossing timing point during negative zero passage, root
Go out the single-lamp controller place phase place of the N level street-lamp nodes according to the accumulative zero crossing step-out time analysis：If during the accumulative zero crossing
Difference is interval in [16.7,20] or [0,3.3] millisecond, shows the single-lamp controller and Centralized Controller homophase of the N level street-lamp nodes；
If the accumulative zero crossing time difference (3.3,10] millisecond is interval, show the single-lamp controller of the N level street-lamp nodes and concentrate control
Device difference processed is 120 degree；If the accumulative zero crossing time difference is (10,16.7) millisecond is interval, shows the list of the N level street-lamp nodes
Lamp controller is differed as 240 degree with Centralized Controller.
2. street lamp method for detecting phases as claimed in claim 1, it is characterised in that the resolution ratio of the accumulative zero crossing time difference
For 0.1 millisecond.
3. street lamp method for detecting phases as claimed in claim 1, it is characterised in that the side of the accumulative zero crossing time difference back to zero
Method is：Electric power system for 50Hz, the accumulative zero crossing time difference often just deducts 20 milliseconds with back to zero more than 20 milliseconds.
4. street lamp method for detecting phases as claimed in claim 1, it is characterised in that the side of the accumulative zero crossing time difference back to zero
Method is：Electric power system for 60Hz, the accumulative zero crossing time difference often just deducts 16.7 milliseconds with back to zero more than 16.7 milliseconds.
5. the street lamp method for detecting phases as described in Claims 1-4 any one, it is characterised in that described phase-detection
Frame includes communication frame head point, phase-detection order character segment, accumulative zero crossing time difference part and communication trailer sections.
6. street lamp method for detecting phases as claimed in claim 5, it is characterised in that the communication frame head portion includes frame starting
Symbol part, destination address part and source address portion.
7. street lamp method for detecting phases as claimed in claim 5, it is characterised in that the communication trailer sections can be CRC
Test value.
8. street lamp method for detecting phases as claimed in claim 5, it is characterised in that the street lamp method for detecting phases can be with
Comprise the steps：When Centralized Controller has collected the single-lamp controller place of its street-lamp node all of at different levels administered
After phase place, the street lamp quantity in each phase is calculated；If it find that the street lamp in road lamp network is excessively uneven in the distribution of each phase
It is even, then can report to the police.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN1450842A (en) * | 2003-05-07 | 2003-10-22 | 杭州瑞琦信息技术有限公司 | Single lamp monitor-control system for road lamp |
| WO2005064778A1 (en) * | 2003-12-22 | 2005-07-14 | Koninklijke Philips Electronics N.V. | Switched mode power supply |
| CN1694595A (en) * | 2005-04-19 | 2005-11-09 | 广州大学 | Distributed streetlight energy-saving control system |
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| CN102256414A (en) * | 2011-04-12 | 2011-11-23 | 上海大学 | Terminal node of intelligent street lamp control system based on wireless sensor network |
| CN102833919B (en) * | 2012-09-05 | 2016-08-03 | 重庆邮电大学 | A kind of Street lamps control concentrator based on voltage power-line carrier communication technology |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1450842A (en) * | 2003-05-07 | 2003-10-22 | 杭州瑞琦信息技术有限公司 | Single lamp monitor-control system for road lamp |
| WO2005064778A1 (en) * | 2003-12-22 | 2005-07-14 | Koninklijke Philips Electronics N.V. | Switched mode power supply |
| CN1694595A (en) * | 2005-04-19 | 2005-11-09 | 广州大学 | Distributed streetlight energy-saving control system |
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