CN202773157U - Street lamp control circuit based on solid-state relays - Google Patents
Street lamp control circuit based on solid-state relays Download PDFInfo
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- CN202773157U CN202773157U CN2012204977799U CN201220497779U CN202773157U CN 202773157 U CN202773157 U CN 202773157U CN 2012204977799 U CN2012204977799 U CN 2012204977799U CN 201220497779 U CN201220497779 U CN 201220497779U CN 202773157 U CN202773157 U CN 202773157U
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- chip microcomputer
- state
- state relays
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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 utility model discloses a street lamp control circuit based on solid-state relays. The street lamp control circuit comprises a single chip microcomputer, a DC power supply, three LED branches and three solid-state relays. The single chip microcomputer is used for controlling the power-on state of the LED branches through the solid-state relays. Each LED branch is formed by the serial connection of a current limiting resistor, a pair of output terminals of a solid-state relay and an LED lamp string, which means that three pairs of output terminals of the three solid-state relays are respectively in serial connection with the three LED branches. The three LED branches are in parallel connection, each negative terminal of LED strings as one end of each of the LED branches is grounded, and the other end of each of the LED branches is connected with a positive voltage terminal of the DC power supply. Three output ports of the single chip microcomputer are respectively connected with input ends of the three solid-state relays through three same switch driving circuits. The street lamp control circuit based on the solid-state relays has an automatic branch switching function and has the advantages of convenience, practicality, easy implementation, and good energy-saving performance.
Description
Technical field
The utility model relates to a kind of streetlight control circuit based on solid-state relay.
Background technology
Existing street lamp (such as the illuminating lamp of staircase) generally adopts incandescent lamp, and energy-saving effect is poor, in addition, in some cases, requires a kind of energising of lamp, and like this, lamp easily wears out because working long hours, and affects the useful life of lamp.
In view of this, be necessary to design a kind of novel streetlight control circuit.
The utility model content
Technical problem to be solved in the utility model provides a kind of streetlight control circuit based on solid-state relay, should have automatic branch road handoff functionality based on the streetlight control circuit of solid-state relay, and is convenient and practical, easy to implement, and energy-efficient performance is good.
The technical solution of utility model is as follows:
A kind of streetlight control circuit based on solid-state relay comprises single-chip microcomputer, DC power supply, 3 LED branch roads and 3 solid-state relays; Single-chip microcomputer is used for the "on" position by solid state relay control LED branch road;
Pair of output and a LED lamp string serial connection that every LED props up current-limiting resistance of route, solid-state relay form, and namely 3 of 3 solid-state relays pairs of lead-out terminals seal in respectively in 3 LED branch roads; Article 3, LED branch circuit parallel connection is as the equal ground connection of negative pole end of the LED lamp string of LED branch road one end, the positive voltage terminal (Vcc) of another termination DC power supply of LED branch road;
3 output ports of single-chip microcomputer connect respectively the input of 3 solid-state relays by 3 identical switch driving circuits.
Being configured to of each described switch driving circuit: comprise a triode and a pull-up resistor; Triode is NPN type triode, and the c utmost point of triode joins by the anode Vcc of pull-up resistor and DC power supply; The b utmost point of triode connects an output port of single-chip microcomputer, and the e utmost point of triode connects the positive input terminal of solid-state relay, the negative input end ground connection of relay.
Beneficial effect:
Streetlight control circuit based on solid-state relay of the present utility model by 3 LED branch roads circulations of 3 solid-state relays control energising, such as the every task of each bar LED branch road 2 hours, like this, is conducive to prolong LED useful life by single-chip microcomputer.After the LED lamp replaced incandescent lamp, energy-saving effect was obvious.
Streetlight control circuit based on solid-state relay of the present utility model, the device of the maturation that employing is cheap, such as relay, single-chip microcomputer and triode, cost is low, and easy to implement.
In sum, the streetlight control circuit based on solid-state relay of the present utility model has automatic branch road handoff functionality, and is convenient and practical, easy to implement, and energy-efficient performance is good, the characteristics such as long service life.
Description of drawings
Fig. 1 is the circuit theory diagrams based on the control section of the streetlight control circuit of solid-state relay;
Fig. 2 is the circuit theory diagrams based on the main circuit part of the streetlight control circuit of solid-state relay.
Embodiment
Below with reference to the drawings and specific embodiments the utility model is described in further details:
Embodiment 1:
Shown in Fig. 1-2, a kind of streetlight control circuit based on solid-state relay comprises single-chip microcomputer, DC power supply, 3 LED branch roads and 3 solid-state relays; Described relay is electromagnetic type relay; Single-chip microcomputer is used for the "on" position by solid state relay control LED branch road;
Every LED props up route current-limiting resistance (R4, R5 or a R6, value is 1000 ohm), (first group is S1A and S1B to the pair of output of solid-state relay, the 2nd group is S2A and S2B, the 3rd group is S3A and S3B) and a LED lamp string (being a LED lamp string, the 2nd LED lamp string or the 3rd LED lamp string) serial connection form, namely 3 of 3 solid-state relays pairs of lead-out terminals seal in respectively in 3 LED branch roads; Article 3, LED branch circuit parallel connection is as the equal ground connection of negative pole end of the LED lamp string of LED branch road one end, the positive voltage terminal (Vcc) of another termination DC power supply of LED branch road;
3 output ports of single-chip microcomputer connect respectively the input of 3 solid-state relays by 3 identical switch driving circuits.
Being configured to of each described switch driving circuit: comprise a triode (T1, T2 or T3) and a pull-up resistor (R1, R2 or R3); Triode is NPN type triode, and the c utmost point of triode joins by the anode Vcc of pull-up resistor and DC power supply; The b utmost point of triode connects an output port of single-chip microcomputer, and the e utmost point of triode connects the positive input terminal (+) of solid-state relay, negative input end (-) ground connection of relay.
DC power supply is prior art for being come by mains supply rectification after transformation, the positive voltage termination of DC power supply, in the utility model, Vcc gets arbitrary voltage of 12-24v, and DC power supply is known technology commonly used, therefore, in the utility model this point is not explained in detail.
The pressure drop of LED lamp pearl generally is 3.0-3.6V, and choosing pressure drop is the LED lamp of 3v, and every LED lamp string has 4 lamp pearls.This moment, Vcc was chosen as 15V.
The value of R1, R2 and R3 is 100 ohm.
Claims (2)
1. the streetlight control circuit based on solid-state relay is characterized in that, comprises single-chip microcomputer, DC power supply, 3 LED branch roads and 3 solid-state relays; Single-chip microcomputer is used for the "on" position by solid state relay control LED branch road;
Pair of output and a LED lamp string serial connection that every LED props up current-limiting resistance of route, solid-state relay form, and namely 3 of 3 solid-state relays pairs of lead-out terminals seal in respectively in 3 LED branch roads; Article 3, LED branch circuit parallel connection is as the equal ground connection of negative pole end of the LED lamp string of LED branch road one end, the positive voltage terminal (Vcc) of another termination DC power supply of LED branch road;
3 output ports of single-chip microcomputer connect respectively the input of 3 solid-state relays by 3 identical switch driving circuits.
2. the streetlight control circuit based on solid-state relay according to claim 1 is characterized in that, being configured to of each described switch driving circuit: comprise a triode and a pull-up resistor; Triode is NPN type triode, and the c utmost point of triode joins by the anode (Vcc) of pull-up resistor and DC power supply; The b utmost point of triode connects an output port of single-chip microcomputer, and the e utmost point of triode connects the positive input terminal of solid-state relay, the negative input end ground connection of relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204977799U CN202773157U (en) | 2012-09-19 | 2012-09-19 | Street lamp control circuit based on solid-state relays |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204977799U CN202773157U (en) | 2012-09-19 | 2012-09-19 | Street lamp control circuit based on solid-state relays |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202773157U true CN202773157U (en) | 2013-03-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204977799U Expired - Fee Related CN202773157U (en) | 2012-09-19 | 2012-09-19 | Street lamp control circuit based on solid-state relays |
Country Status (1)
| Country | Link |
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| CN (1) | CN202773157U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105306032A (en) * | 2015-12-02 | 2016-02-03 | 上海航空电器有限公司 | Large current large voltage ship equipment switch control structure based on solid state relay |
| CN105517242A (en) * | 2015-12-29 | 2016-04-20 | 生迪智慧科技有限公司 | Light-emitting module control device |
-
2012
- 2012-09-19 CN CN2012204977799U patent/CN202773157U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105306032A (en) * | 2015-12-02 | 2016-02-03 | 上海航空电器有限公司 | Large current large voltage ship equipment switch control structure based on solid state relay |
| CN105517242A (en) * | 2015-12-29 | 2016-04-20 | 生迪智慧科技有限公司 | Light-emitting module control device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130306 Termination date: 20130919 |