CN203872389U - Smart grid frequency-converting-control energy-saving street lamp - Google Patents
Smart grid frequency-converting-control energy-saving street lamp Download PDFInfo
- Publication number
- CN203872389U CN203872389U CN201420162699.7U CN201420162699U CN203872389U CN 203872389 U CN203872389 U CN 203872389U CN 201420162699 U CN201420162699 U CN 201420162699U CN 203872389 U CN203872389 U CN 203872389U
- Authority
- CN
- China
- Prior art keywords
- circuit
- frequency converter
- chip microcomputer
- led lighting
- street lamp
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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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
Abstract
The utility model relates to a light fixture, and provides a smart grid frequency-converting-control energy-saving street lamp with good illumination effect, high energy saving efficiency, small power consumption and long service life. The street lamp comprises an EMI filtering module, a bridge rectifier, a DC/AC high-frequency converter, a current-limiting voltage stabilizing circuit, an LED illumination circuit, a sampling circuit, a one-chip microcomputer, a pulse generator and a drive circuit. An input terminal of the EMI filtering module is connected to a commercial power grid, and an output terminal of the EMI filtering module is connected to an input terminal of the DC/AC high-frequency converter through the bridge rectifier. An output terminal of the DC/AC high-frequency converter is connected to the LED illumination circuit through the current-limiting voltage stabilizing circuit. The sampling circuit samples voltage at the two ends of the LED illumination circuit and current passing through the LED illumination circuit and inputs sampling results to the one-chip microcomputer. An output terminal of the one-chip microcomputer is connected to an input terminal of the DC/AC high-frequency converter through the pulse generator and the drive circuit. The LED illumination circuit comprises multiple LED lamps connected in series and in parallel to form a matrix assignment.
Description
Technical field
The utility model relates to light fixture, particularly a kind of intelligent grid frequency conversion control energy-saving street lamp.
Background technology
Along with the development of urbanization, the electric energy of city illumination consumption is how much radixes and increases, and reduces discharging the call of policy in order to respond national energy-saving, and the concept of intelligent grid has obtained everybody accreditation.Intelligent grid is exactly the intellectuality of electrical network, it is to be based upon on the basis of integrated high-speed bidirectional communication network, by advanced sensing with measure radix, advanced equipment radix, advanced control method and the application of advanced DSS technology, realize the target of reliable, the safety, economy of electrical network, efficient, environmental friendliness and use safety.It is a significant element of composition intelligent grid as the energy-conserving road lamp of city illumination; the energy-conserving road lamp major part or the traditional inductance type ballast control that on present market, use; and inductance type ballast exists following defect: consumed power increases along with the increase of input voltage; shorten the useful life of energy-conserving road lamp simultaneously; there is no defencive function; the in the situation that of fluorescent tube open circuit or short circuit, easily damage ballast and annex thereof.Thereby making energy-conserving road lamp use the power consuming large, fragile, useful life is short.
Summary of the invention
Therefore,, for above-mentioned problem, the utility model proposes a kind of good illumination effect, energy-saving efficiency is high, power consumption is little, the intelligent grid frequency conversion control energy-saving street lamp of long service life.
For realizing above-mentioned technical problem, the solution that the utility model is taked is: a kind of intelligent grid frequency conversion control energy-saving street lamp, comprise EMI filtration module, bridge rectifier, DC/AC high-frequency converter, flow-limiting voltage-stabilizing circuit, LED lighting circuit, sample circuit, single-chip microcomputer and pulse generator and drive circuit, described EMI filtration module input connects utility grid, described EMI filtration module output is connected with the input of DC/AC high-frequency converter through bridge rectifier, described DC/AC high-frequency converter output is connected with LED lighting circuit through flow-limiting voltage-stabilizing circuit, the voltage of described sample circuit to LED lighting circuit two ends and the electric current of the LED lighting circuit of flowing through are sampled and sampled result are inputed to single-chip microcomputer, described single-chip microcomputer output is connected with the input of DC/AC high-frequency converter through pulse generator and drive circuit, described LED lighting circuit adopts multi-parallels to be serially connected in matrix by multiple LED lamps more and arranges and form.
Further improve, also comprise protective circuit, described protective circuit is located between LED lighting circuit and single-chip microcomputer.
By adopting aforementioned techniques scheme, the beneficial effects of the utility model are: by adopting Single-chip Controlling DC/AC high-frequency converter to carry out variable frequency control to LED lighting circuit, make the stability of a system of whole energy-conserving road lamp strong, consumed power is low, simultaneously can be according to the illuminating position of actual road conditions requirements set LED lighting circuit, saved a large amount of power consumptions, energy-saving effect is remarkable; And being arranged to adopt multi-parallel to be serially connected in matrix by multiple LED lamps more, LED lighting circuit arranges, make operating voltage and the operating current equilibrium of each LED lamp, improve the stability of LED lighting circuit, extended the useful life of LED lamp, can wide popularization and application.
Brief description of the drawings
Fig. 1 is the theory diagram of the utility model embodiment.
Fig. 2 is the circuit diagram of LED lighting circuit in the utility model embodiment.
Embodiment
Now with specific embodiment, the utility model is further illustrated by reference to the accompanying drawings.
With reference to figure 1 and Fig. 2, the disclosed intelligent grid frequency conversion control energy-saving of the present embodiment street lamp, comprise EMI filtration module 1, bridge rectifier 2, DC/AC high-frequency converter 3, flow-limiting voltage-stabilizing circuit 4, LED lighting circuit 5, sample circuit 6, single-chip microcomputer 7, pulse generator and drive circuit 8 and protective circuit 9, described EMI filtration module 1 enters product for the high order harmonic component that prevents electrical network, the high order harmonic component that prevents product itself is returned to electrical network, and pollution electrical network, make product meet national safety standard, described EMI filtration module 1 input connects utility grid, described EMI filtration module 1 is exported through bridge rectifier 2 and is connected with 3 inputs of DC/AC high-frequency converter, described DC/AC high-frequency converter 3 is exported through flow-limiting voltage-stabilizing circuit 4 and is connected with LED lighting circuit 5, the voltage of described sample circuit 6 to LED lighting circuit 5 two ends and the electric current of the LED lighting circuit 5 of flowing through are sampled and sampled result are inputed to single-chip microcomputer 7, described single-chip microcomputer 7 is exported through pulse generator and drive circuit 8 and is connected with 3 inputs of DC/AC high-frequency converter, described protective circuit 9 is located between LED lighting circuit 5 and single-chip microcomputer 7, single-chip microcomputer 7 judges whether energy-conserving road lamp normally works, determine whether taking safeguard measure according to judged result, if normally work, according to sampled data, adjust the operating frequency of DC/AC high-frequency converter 3 by pulse generator and drive circuit, and then control power output, realize the demonstration setting of adjustment energy-conserving road lamp, control LED lighting circuit entirely bright, half is bright or the state such as close, described LED lighting circuit 5 adopts multi-parallels to be serially connected in matrix by multiple LED lamps more and arranges and form.
The utility model is by adopting Single-chip Controlling DC/AC high-frequency converter to carry out variable frequency control to LED lighting circuit, make the stability of a system of whole energy-conserving road lamp strong, consumed power is low, simultaneously can be according to the illuminating position of actual road conditions requirements set LED lighting circuit, saved a large amount of power consumptions, energy-saving effect is remarkable; And being arranged to adopt multi-parallel to be serially connected in matrix by multiple LED lamps more, LED lighting circuit arranges, make operating voltage and the operating current equilibrium of each LED lamp, improve the stability of LED lighting circuit, extended the useful life of LED lamp, can wide popularization and application.
Above record, only, for utilizing the embodiment of this origination techniques content, modification, variation that any those skilled in the art use this creation to do, all belong to the scope of the claims that this creation is advocated, and be not limited to those disclosed embodiments.
Claims (2)
1. an intelligent grid frequency conversion control energy-saving street lamp, it is characterized in that: comprise EMI filtration module, bridge rectifier, DC/AC high-frequency converter, flow-limiting voltage-stabilizing circuit, LED lighting circuit, sample circuit, single-chip microcomputer and pulse generator and drive circuit, described EMI filtration module input connects utility grid, described EMI filtration module output is connected with the input of DC/AC high-frequency converter through bridge rectifier, described DC/AC high-frequency converter output is connected with LED lighting circuit through flow-limiting voltage-stabilizing circuit, the voltage of described sample circuit to LED lighting circuit two ends and the electric current of the LED lighting circuit of flowing through are sampled and sampled result are inputed to single-chip microcomputer, described single-chip microcomputer output is connected with the input of DC/AC high-frequency converter through pulse generator and drive circuit, described LED lighting circuit adopts multi-parallels to be serially connected in matrix by multiple LED lamps more and arranges and form.
2. intelligent grid frequency conversion control energy-saving street lamp according to claim 1, is characterized in that: also comprise protective circuit, described protective circuit is located between LED lighting circuit and single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420162699.7U CN203872389U (en) | 2014-04-03 | 2014-04-03 | Smart grid frequency-converting-control energy-saving street lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420162699.7U CN203872389U (en) | 2014-04-03 | 2014-04-03 | Smart grid frequency-converting-control energy-saving street lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203872389U true CN203872389U (en) | 2014-10-08 |
Family
ID=51653306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420162699.7U Expired - Fee Related CN203872389U (en) | 2014-04-03 | 2014-04-03 | Smart grid frequency-converting-control energy-saving street lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203872389U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104780672A (en) * | 2015-03-30 | 2015-07-15 | 成都颉隆科技有限公司 | Push-and-pull trigger type smart grid variable-frequency and energy-saving control system |
-
2014
- 2014-04-03 CN CN201420162699.7U patent/CN203872389U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104780672A (en) * | 2015-03-30 | 2015-07-15 | 成都颉隆科技有限公司 | Push-and-pull trigger type smart grid variable-frequency and energy-saving control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141008 Termination date: 20190403 |