CN205847707U - A kind of intellectual single light controller being applicable to high-pressure mercury lamp based on OFDM technology - Google Patents
A kind of intellectual single light controller being applicable to high-pressure mercury lamp based on OFDM technology Download PDFInfo
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- CN205847707U CN205847707U CN201620826627.7U CN201620826627U CN205847707U CN 205847707 U CN205847707 U CN 205847707U CN 201620826627 U CN201620826627 U CN 201620826627U CN 205847707 U CN205847707 U CN 205847707U
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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
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Abstract
This utility model describes a kind of intellectual single light controller being applicable to high-pressure mercury lamp based on OFDM technology, it includes the AC DC module being connected between live wire and zero line, live wire is connected with coupling transformer the most respectively with zero line, coupling transformer is connected with analog front-end chip, analog front-end chip is connected with dsp chip by SPI interface, dsp chip is connected with single-chip microcomputer by serial ports, and the model of single-chip microcomputer is MSP430；Single-chip microcomputer is connected with metering module also by serial ports, the I2C interface of single-chip microcomputer connects and has storage chip, an I/O interface and the first relay drive circuit on single-chip microcomputer are connected, another I/O interface and the second relay drive circuit on single-chip microcomputer are connected, and the first and second relay drive circuits are all connected with Variable power ballast.This utility model have employed the power of PLC technology and optimization and adjusts, and can be suitably used for the network structure of complexity, has ensured the safety and reliability of equipment.
Description
Technical field
This utility model relates to roam lamp control device, a kind of intelligence being applicable to high-pressure mercury lamp based on OFDM technology
Single-lamp controller, belongs to technology of Internet of things field.
Background technology
The information system in current street lamp field is mainly the Three-tele system to line management, and this system can not realize joint
Can, the management become more meticulous can not be realized.In order to realize road lamp energy-saving, realized every one by the independent loop of increase the most at present
Bright one, although this mode achieves energy-conservation, but the requirement of the roadway illumination uniformity can not be met, also can additionally increase circuit
Construction cost and maintenance cost.Although adjusting realization joint by using Variable power ballast scheme also single lamp can be carried out power
Can, but this scheme can only simple timing adjustment, use dumb convenience, it is impossible to be attached with platform, it is impossible to change and manage
Reason present situation, does not the most obtain the accreditation of most of client.In order to solve the problems referred to above, single lamp monitoring is as the 3rd of street lamp field the
Occur for product.Current single lamp product is broadly divided into two big classes, i.e. based on ZigBee technology and the product of PLC technology.
In street lamp application field, ZigBee exists with frequency and dense traffic interference etc., the problem that communication reliability is the highest, therefore can not be by
Most of users are accepted.And power carrier is to utilize existing public lighting circuit to carry out data transmission, it is a kind of preferably communication
Mode.But the commonly used modulation system based on FSK of current power carrier, it exists anti-interference weak, the extremely slow (300bps of speed
~ 600bps), and there is no the defect of the drawbacks such as complete protocol stack, simplex can only be realized, therefore Consumer's Experience is poor, difficult
To obtain large-scale popularization.Additionally, the controller of the existing overwhelming majority at present is primarily directed to the application of LED, LED can be adjusted
Light realizes energy-conservation, but when this controller is applied on high-pressure mercury lamp, just can only carry out turning off energy-conservation, it is impossible to carry out power
Adjust.
Utility model content
For above-mentioned deficiency of the prior art, main purpose of the present utility model is to solve controlling high pressure the most at present
Power can not be modulated during sodium vapor lamp, thus be difficult to meet the problem of energy saving requirement, and provide one to be capable of power and adjust
The whole intellectual single light controller being applicable to high-pressure mercury lamp based on OFDM technology.
The technical solution of the utility model: a kind of intellectual single light controller being applicable to high-pressure mercury lamp based on OFDM technology,
It is characterized in that, including the AC-DC module being connected between live wire and zero line, described live wire and zero line the most respectively with couple transformation
Device is connected, and described coupling transformer is connected with analog front-end chip, and described analog front-end chip passes through SPI interface and dsp chip
Being connected, described dsp chip is connected with single-chip microcomputer by serial ports, and the model of described single-chip microcomputer is MSP430；Described single-chip microcomputer is the most logical
Cross serial ports to be connected with metering module, on the I2C interface of single-chip microcomputer connect have storage chip, an I/O interface on single-chip microcomputer with
First relay drive circuit is connected, and another I/O interface on single-chip microcomputer and the second relay drive circuit are connected, and described the
One relay drive circuit and the second relay drive circuit are all connected with Variable power ballast.
Optimally, described Variable power ballast includes trigger, described trigger and inductance L1, the A of relay switch K2
After contact series formed loop, the B contact of described relay switch K2 is connected with the metal plectrum of relay switch K1, described in continue
The D contact of electric switch K2 is connected to one end of inductance L3, and the C contact of relay switch K2 is connected to the other end of inductance L3,
The other end of described inductance L3 also one end with inductance L2 is connected, and the other end of inductance L2 is connected to inductance L1 and relay switch
Between the A contact of K2, also it is parallel with voltage protection at described trigger two ends.
A kind of control method of the intellectual single light controller being applicable to high-pressure mercury lamp based on OFDM technology as above, its
Being characterised by, single-chip microcomputer realizes task scheduling according to its SYS/BIOS operating system being internally embedded, and carries out as follows simultaneously
Step:
1) single-chip microcomputer sends task scheduling data to dsp chip, and task data is assisted by dsp chip by G3 protocol stack
After view encapsulation process, sending the digital signal of modulation to analog front-end chip, analog front-end chip is sent out after being amplified by digital signal
Giving coupling transformer, the digital signal received is sent on live wire by coupling transformer, and coupling transformer is from live wire simultaneously
Upper reception power carrier data, coupling transformer by the power carrier data feedback that receives to analog front-end chip after, by mould
Intend front-end chip to be filtered being processed and converted to digital signal to the data received, be then sent to dsp chip, described
Dsp chip will convert into the power carrier data of digital signal again and is sent to single-chip microcomputer；
2) single-chip microcomputer is connected with metering module by serial ports, and gathers voltage, electric current and power parameter by metering module；
3) single-chip microcomputer is connected with storage chip by I2C interface, and by storage chip storage system configuration parameter and electricity
Gas parameter；
4) single-chip microcomputer is connected with the first relay drive circuit and the second relay drive circuit respectively by I/O interface, and
By controlling redirecting of the first relay drive circuit and the second relay drive circuit, the power controlling Variable power ballast is adjusted
System.
Optimally, the power line carrier, PLC of described power carrier data acquisition OFDM modulation, described power carrier data acquisition
With G3 protocol stack as power carrier protocol stack.TCP/IP is used to build Internet and transport layer on G3 protocol stack basis,
And on TCP/IP basis, define application layer again, it is achieved complete protocol stack.Described complete protocol stack include physical layer,
MAC layer, Internet, transport layer and application layer.A width of 10KHz ~ the 90KHz of power line carrier, PLC band of described OFDM modulation, speed
For 46kbps.
This utility model, for the application of high-pressure mercury lamp, mainly solves two problems, and i.e. uses new PLC technology
Adjust with the power optimized.Power line carrier, PLC uses OFDM modulation technique, carries a width of 10KHz ~ 90KHz, and speed is up to
46kbps；Power carrier protocol stack uses G3 protocol stack, it is achieved real duplex communication；Use the MESH technology in 802.11 real
Existing quickly networking, and can be suitably used for the network structure of complexity；Power carrier data acquisition AES technology is encrypted.To sodium vapor lamp
Carry out two stage power adjustment, i.e. when voltage is higher than nominal value (220V), carry out first order power adjustment, make power stability at volume
Determining in power bracket, at car, few people is dilute after midnight, carries out second level power adjustment, reduces the Power operation of half.Additionally, become
The Novel connecting method of power also can reduce the material consumption of Variable power.
Relative to prior art, this utility model has the advantages that
1, this utility model adjusts for the application of high-pressure mercury lamp, the power that have employed PLC technology and optimization.Its
Power line carrier, PLC uses OFDM modulation technique, carries a width of 10KHz ~ 90KHz, and speed is up to 46kbps；Power carrier protocol stack
Use G3 protocol stack, it is achieved real duplex communication；Use the MESH technology in 802.11 to realize quickly networking simultaneously, and can fit
For complicated network structure, also power carrier data acquisition AES technology is encrypted, ensured equipment safety and can
By property.
2, this utility model has carried out two stage power adjustment to sodium vapor lamp, i.e. when voltage is higher than nominal value (220V), entered
Row first order power adjusts, and makes power stability in rated operating range, and at car, few people is dilute after midnight, carries out second level power
Adjust, reduce the Power operation of half, there is good power adjustments effect, the material consumption of Variable power can also be reduced simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation that this utility model is applicable to the intellectual single light controller of high-pressure mercury lamp based on OFDM technology
Figure.
Fig. 2 is the wiring diagram of Variable power ballast in this utility model.
Detailed description of the invention
The utility model is described in further detail with detailed description of the invention below in conjunction with the accompanying drawings.
As it is shown in figure 1, a kind of intellectual single light controller being applicable to high-pressure mercury lamp based on OFDM technology, it includes being connected to
AC-DC module between live wire and zero line, described live wire is connected with coupling transformer the most respectively with zero line, described coupling transformer
Being connected with analog front-end chip duplex communication, described analog front-end chip is connected with dsp chip by SPI interface, described DSP core
Sheet is connected with single-chip microcomputer by serial ports, and the model of described single-chip microcomputer is MSP430；Described single-chip microcomputer is also by serial ports and metering mould
Block is connected, and connecting on the I2C interface of single-chip microcomputer has storage chip, and an I/O interface and the first relay on single-chip microcomputer drive
Circuit is connected, and another I/O interface and the second relay drive circuit on single-chip microcomputer are connected, and described first relay drives electricity
Road is all connected with Variable power ballast with the second relay drive circuit.
In this utility model, live wire and zero line are connected with AC-DC module, and exchange is become direct current by AC-DC module, and is each
Power supply needed for the offer of individual chip, the connection between AC-DC module and modules here belongs to prior art, therefore at this not
Describe in detail.During wiring, live wire and zero line are also connected with power carrier analog front-end chip, and i.e. analog front-end chip is from DSP core
Sheet receives the modulated digital signal made and is amplified, it would be desirable to the data of transmission are sent to live wire by coupling transformer
On；Meanwhile, analog front-end chip receives the power carrier data on live wire by coupling transformer, to the power carrier received
The relevant treatment such as data are filtered also are converted into digital signal and feed back to dsp chip, and dsp chip is then forwarded to single-chip microcomputer.
In this utility model, dsp chip (its model can be TMS320F28069, TMS320F28PLC84 etc.) passes through
SPI interface is attached with analog front-end chip.(its model can be TMS320F28069, TMS320F28PLC84 to dsp chip
Deng) realize the protocol stack of OFDM modulation technique and power carrier.The communication bandwidth of OFDM modulation is 10KHz ~ 90KHz, and speed can
With up to 46kbps.The protocol stack of power carrier uses complete G3 protocol stack, and it is capable of real duplex communication.Here
MSP430 single-chip microcomputer control for the core of whole product, single-chip microcomputer is connected with dsp chip by serial ports, it is achieved data
Send and receive.MSP430 single-chip microcomputer is connected with metering module by serial ports, it is achieved the isoparametric collection of voltage, electric current, power.
MSP430 single-chip microcomputer is connected with storage chip by I2C interface, it is achieved system configuration parameter and the storage of electric parameter.MSP430
Single-chip microcomputer is connected with the first relay drive circuit and the second relay drive circuit respectively by I/O interface, is used for controlling relay
Redirecting of device, thus control the modulation of power.
Seeing Fig. 2, described Variable power ballast includes trigger, described trigger and inductance L1, the A of relay switch K2
After contact series formed loop, the B contact of described relay switch K2 is connected with the metal plectrum of relay switch K1, described in continue
The D contact of electric switch K2 is connected to one end of inductance L3, and the C contact of relay switch K2 is connected to the other end of inductance L3,
The other end of described inductance L3 also one end with inductance L2 is connected, and the other end of inductance L2 is connected to inductance L1 and relay switch
Between the A contact of K2, also it is parallel with voltage protection at described trigger two ends.
When carrying out the algorithm for power modulation of Variable power ballast, two relay drive circuits control different relays respectively
Device, thus realize first order power and adjust and the adjustment of second level power.Its operation principle is as follows: single-chip microcomputer detects that voltage is higher than
During nominal value, single-chip microcomputer to first relay drive circuit send ON signal, the contact that relay switch connects to out, so
Realize the modulation of first order power.When voltage returns to normal value, single-chip microcomputer sends to the first relay drive circuit and closes letter
Number, relay switch connects to the contact closed, and thus recovers nominal power and runs.Storage chip has the time of fall power
Table, single-chip microcomputer reads the timetable of downrating, if current time comes into the downrating time, then single-chip microcomputer to
Second relay drive circuit sends ON signal, the contact that relay connects to out, and is achieved in that the adjustment of second level power.
If current time is introduced into the downrating time, then single-chip microcomputer sends OFF signal, relay to the second relay drive circuit
Device connects to the contact closed, and exits second level power and adjusts.Single-chip microcomputer periodically (being spaced 30 minutes or 60 minutes) upper
Pass the electric parameter collected.Single-chip microcomputer carries out accident analysis by the electric parameter collected, if faulty, then will alarm
Information uploads to platform.Illustrate below in conjunction with Fig. 2: in Fig. 2, L1 is the inductance of nominal power, i.e. 250W or 400W is corresponding
Nominal inductance.L2 is the inductance that first order power adjusts.L2+L3 is the inductance that second level power adjusts, and second level power is adjusted
The whole inductance having shared the adjustment of first order power, this design has the material consumption of minimum, is also the simplest in technique
Mode.When K2 relay is connected to A contact, then run according to nominal power.When overtension, then K2 relay connects
To B contact, K1 relay is connected to C contact, carries out first order power adjustment.When voltage is normal, then connect when K2 relay
During to A contact, recover nominal power and run.At car, few people is dilute after midnight, and K2 relay is connected to B contact, and K1 relay is even
Receive D contact, carry out second level power adjustment.
Controller of the present utility model operationally, uses following control method, and single-chip microcomputer is internally embedded according to it
SYS/BIOS operating system realizes task scheduling, and queue based on SYS/BIOS, mailbox, event, interruption and signal are carried out
Scheduling between exchange and the multitask of data.On SYS/BIOS task scheduling basis, different tasks is used to realize not
Same application function, such as energy-saving run, electric parameter collection, breakdown judge, the transmission of power carrier and reception etc., each
Pragmatic existing concrete Business Processing, realizes task scheduling by SYS/BIOS, by interruption, event, postal between each task
Casees etc. carry out synchronizing and data exchange.After the data sent carry out protocol encapsulation process by complete protocol stack, it is sent to cable
On.After the data received from cable carry out protocol analysis process by complete protocol stack, carry out follow-up business process.SYS/
BIOS operation system operationally, carries out following steps simultaneously:
1) single-chip microcomputer sends task scheduling data to dsp chip, and task data is assisted by dsp chip by G3 protocol stack
After view encapsulation process, sending the digital signal of modulation to analog front-end chip, analog front-end chip is sent out after being amplified by digital signal
Giving coupling transformer, the digital signal received is sent on live wire by coupling transformer, and coupling transformer is from live wire simultaneously
Upper reception power carrier data, coupling transformer by the power carrier data feedback that receives to analog front-end chip after, by mould
Intend front-end chip to be filtered being processed and converted to digital signal to the data received, be then sent to dsp chip, described
Dsp chip will convert into the power carrier data of digital signal again and is sent to single-chip microcomputer；
2) single-chip microcomputer is connected with metering module by serial ports, and gathers voltage, electric current and power parameter by metering module；
3) single-chip microcomputer is connected with storage chip by I2C interface, and by storage chip storage system configuration parameter and electricity
Gas parameter；
4) single-chip microcomputer is connected with the first relay drive circuit and the second relay drive circuit respectively by I/O interface, and
By controlling redirecting of the first relay drive circuit and the second relay drive circuit, the power controlling Variable power ballast is adjusted
System.
In this utility model, the power line carrier, PLC of described power carrier data acquisition OFDM modulation, described power carrier
Data acquisition with G3 protocol stack as power carrier protocol stack.TCP/IP is used to build Internet and biography on G3 protocol stack basis
Defeated layer, and on TCP/IP basis, define application layer again, it is achieved complete protocol stack.Described complete protocol stack includes physics
Layer, MAC layer, Internet, transport layer and application layer.A width of 10KHz ~ the 90KHz of power line carrier, PLC band of described OFDM modulation, speed
Rate is 46kbps.In G3 protocol stack, physical layer, low MAC layer and 6LoWPAN layer constitute G3 protocol stack, the lowest MAC layer and
6LoWPAN layer constitutes MAC layer.Use IPv6 to realize converging, it is achieved concrete Network layer function, use UDP and ICMP to realize
Concrete transport layer functionality, the superiors are application layer protocol.Physical layer realizes OFDM modulation technique and coding etc., and subband can be adopted
With DBPSK, DQPSK, D8PSK etc., coding uses forward error correction coding technology.MAC layer mainly realizes the merit such as bus contention, networking
Can, bus contention uses CSMA-CA technology, and networking uses MESH networking technology.Internet and transport layer use the TCP/ of standard
IP technology, uses the lwIP that increases income to transplant, for street lamp application situation and simplify protocol stack, only realize IPv6, UDP,
ICMP, TCP etc. no longer realize.Application layer mainly realizes the agreement for street lamp application, and application protocol requires to use flexibly, it is simple to
Extension.
Being provided with message header and message body in application protocol, message body mainly includes address field, data segment and CRC.Ground
Location section includes address overall length and address TLV, just can include multiple address by address overall length and address TLV.TLV is concrete
Address date, i.e. T are Tag, represent the label of address, are used for distinguishing different equipment and different address styles, such as " NT01 "
Representing single sodium vapor lamp, " ET01 " represents single led lamp, and " NT99 " represents all sodium vapor lamps；L represents the length of address；V represents concrete
Address date.Data segment includes data overall length and data TLV, just can include many numbers by data overall length and data TLV
According to, such as can transmit the electric parameters such as voltage, electric current, power, it is also possible to only pass part simultaneously, the most flexible, and
And it is very easy to extension.When extending different parameters, it is only necessary to increase different TLV the most permissible, data TLV and address TLV
Similar, it is not further described herein.
This utility model uses OFDM modulation technology power line carrier, PLC, in the range of 10KHz ~ 90KHz, and communication speed
Rate is up to 46Kbps, it is achieved complete communication protocol stack, it is achieved real duplex communication.Sodium vapor lamp is carried out by this utility model product
Optimum two stage power adjusts, and energy-saving effect is up to more than 40%.
It should be noted that above example is only in order to illustrate technical solutions of the utility model rather than restriction technologies scheme,
Although this utility model is explained in detail by applicant with reference to preferred embodiment, those of ordinary skill in the art should manage
Solve, those amendments that technical solutions of the utility model are carried out or equivalent, it is impossible to depart from the technical program objective and
Scope, all should contain in the middle of this utility model right.
Claims (2)
1. the intellectual single light controller being applicable to high-pressure mercury lamp based on OFDM technology, it is characterised in that include being connected to fire
AC-DC module between line and zero line, described live wire is connected with coupling transformer the most respectively with zero line, described coupling transformer with
Analog front-end chip connects, and described analog front-end chip is connected with dsp chip by SPI interface, and described dsp chip passes through serial ports
Being connected with single-chip microcomputer, the model of described single-chip microcomputer is MSP430；Described single-chip microcomputer is connected with metering module also by serial ports, at list
Connecting on the I2C interface of sheet machine and have storage chip, an I/O interface and the first relay drive circuit on single-chip microcomputer are connected, single
Another I/O interface and the second relay drive circuit on sheet machine are connected, described first relay drive circuit and the second relay
Device drive circuit is all connected with Variable power ballast.
A kind of intellectual single light controller being applicable to high-pressure mercury lamp based on OFDM technology the most according to claim 1, it is special
Levying and be, described Variable power ballast includes trigger, described trigger and inductance L1, the A contact series of relay switch K2
Rear formation loop, the B contact of described relay switch K2 is connected with the metal plectrum of relay switch K1, described relay switch
The D contact of K2 is connected to one end of inductance L3, and the C contact of relay switch K2 is connected to the other end of inductance L3, described inductance
The other end of L3 also one end with inductance L2 is connected, and the other end of inductance L2 is connected to the A of inductance L1 and relay switch K2 and touches
Between point, also it is parallel with voltage protection at described trigger two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620826627.7U CN205847707U (en) | 2016-08-02 | 2016-08-02 | A kind of intellectual single light controller being applicable to high-pressure mercury lamp based on OFDM technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620826627.7U CN205847707U (en) | 2016-08-02 | 2016-08-02 | A kind of intellectual single light controller being applicable to high-pressure mercury lamp based on OFDM technology |
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| Publication Number | Publication Date |
|---|---|
| CN205847707U true CN205847707U (en) | 2016-12-28 |
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| CN201620826627.7U Expired - Fee Related CN205847707U (en) | 2016-08-02 | 2016-08-02 | A kind of intellectual single light controller being applicable to high-pressure mercury lamp based on OFDM technology |
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| CN (1) | CN205847707U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106028610A (en) * | 2016-08-02 | 2016-10-12 | 秦龙 | OFDM technique-based intelligent single lamp controller for high pressure sodium lamp |
-
2016
- 2016-08-02 CN CN201620826627.7U patent/CN205847707U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106028610A (en) * | 2016-08-02 | 2016-10-12 | 秦龙 | OFDM technique-based intelligent single lamp controller for high pressure sodium lamp |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 400037 moonlight village 7-12, new street, Dadukou District, Chongqing Patentee after: Qin Long Address before: 400037 No. 139 Fengtian Avenue, Shapingba District, Chongqing, 2, 17-4 Patentee before: Qin Long |
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| CP02 | Change in the address of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161228 Termination date: 20210802 |
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| CF01 | Termination of patent right due to non-payment of annual fee |