CN2893406Y - Solar road lamp system without accumulator - Google Patents
Solar road lamp system without accumulator Download PDFInfo
- Publication number
- CN2893406Y CN2893406Y CN 200620103288 CN200620103288U CN2893406Y CN 2893406 Y CN2893406 Y CN 2893406Y CN 200620103288 CN200620103288 CN 200620103288 CN 200620103288 U CN200620103288 U CN 200620103288U CN 2893406 Y CN2893406 Y CN 2893406Y
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- China
- Prior art keywords
- solar
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- utility
- battery array
- inverter
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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
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
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- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a solar street lamp system which uses no accumulator. The solar street lamp system is composed of a solar battery array and a lighting light fitting and a control circuit both connected with the solar battery array; wherein, the solar battery array is connected with a parallel-in inverter which is further communicated with a power network; the control circuit is a switching controller which is connected with the parallel-in inverter and is communicated with the power network and the lighting light fitting; the switching controller is works in the principle as follows: a resistance voltage division circuit detects the output voltage of a photocell first, and then input the detected results to a micro processor after a analog-to-digital conversion, and finally the micro processor controls a relay contact to make the switching controller work. The utility model has the advantages that the initial investment is small, the operation and maintenance expenses are low, the energy consumption is low, and the systematic operation is table. The utility model is particularly applicable to any street lamp, courtyard lamp, bill light near commercial power, to small-sized solar generating stations adopted by families, and to the 'Million Solar Roofs' plan of governments.
Description
Technical field
The utility model relates to a kind of illuminator, especially relates to a kind of electric energy input electrical network that adopts inversion transformation technique that the sun is provided, with the Solar Street Lighting System of electrical network electricity for night illumination.
Background technology
Adopt solar battery array, utilize solar electrical energy generation daytime, by charge controller, charge to battery, be a kind of power supply technique of comparative maturity by battery for the illuminating lamp electricity consumption evening, sees shown in Figure 2.Solar street light as Chinese patent CN2581804 band advertising lamp box, be suspended in the Solar panel backside on the lamp stand top or be arranged on the lamp stand by advertising lamp box is arranged on, and make the lamp of advertising lamp box and the shared solar panel of illuminating lamp, battery, controller.And for example the CN2505692 solar street light comprises illuminating lamp, lamp stand, base, controller and line related, and its lamp stand top is provided with solar panel, utilize solar energy generation technology, charged a battery by solar cell power generation daytime, and give street lamp power supply, road lamp power supply evening, is used for throwing light on.The CN2751222 solar street light comprises lamp stand and base for another example, and for solar panel is arranged on the pallet, pallet is hinged on the top of lamp stand, is provided with protection box in the base, and battery is installed in the protection box.Above patented technology helps using energy source, and is pollution-free, noiseless.But also there are the following problems:
System loss is big: whole system all adopts battery to store the electric power of solar battery array, uses during to night.Because of battery meeting loss energy more than 20% in charge and discharge process, make the whole system energy loss big like this.
Investment is high: investment for the first time in whole solar power system, and the battery cost accounts for more than 35% of whole system cost, and this has just increased initial investment.
Operating cost increases: because in whole system the service life of battery the shortest, be about 1 year if adopt lead-acid battery service life; If adopt sun special glue accumulator body, be about 3 years service life.Therefore, operating cost is increased greatly, the reliability of system reduces.
Summary of the invention
The utility model mainly is to solve existing in prior technology the problems referred to above, thereby develops a kind of applied solar energy array, adopts the parallel network reverse technology, and be the power supply of city's electrical network daytime, and evening, civil power was the Solar Street Lighting System of street lamp power supply, road lamp power supply.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: a kind of Solar Street Lighting System without battery, contain solar battery array or claim photovoltaic array, and lighting that is attached thereto and controller, it is characterized in that: described solar battery array is connected with combining inverter; Described combining inverter is connected with electrical network.
Technique scheme of the present utility model can also be further perfect, and as preferably, described control circuit is a switch controller; Described switch controller links to each other with combining inverter, and communicates with electrical network and lighting.
As preferably, described switch controller is to detect photronic output voltage by resistor voltage divider circuit, through the analog-to-digital conversion input microprocessor, is moved by microprocessor control relay contact again.
The utility model is that the solar battery array generating is connected with public electric wire net, and critical component is an inverter in grid-connected system.The direct current energy that inverter sends solar battery array converts AC energy to and exports to electrical network.When public electric wire net was stopped power supply, inverter can detect immediately and stop automatically transmitting electric power to electrical network.When public electric wire net was powered once more, inverter can detect and begin automatically to the electrical network transmission of electric energy immediately.Then provide electric power for street lamp at night by public electric wire net.
Therefore, therefore the utility model had both reduced initial investment owing to do not adopt battery stores electricity energy in system, had saved operation and maintenance cost, made the whole system operation more stable, had saved whole solar recharging system loss again; Simultaneously because solar energy system just in time is to generate electricity during peak of power consumption by day, thereby can bring bigger economic benefit to society.
Description of drawings
Accompanying drawing 1 is a kind of system block diagram of the present utility model;
Accompanying drawing 2 is a kind of system block diagrams of prior art;
Accompanying drawing 3 is switch controller block diagrams of the present utility model.
The specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is further described in detail.
As shown in Figure 1, solar battery array can adopt the battery of any model of any factory production, and between 300W, voltage 12V or 24V are general greatly for power.Combining inverter adopts the product of Denier Ao Jiepate company (Daniel Oranje Pty Ltd), model OK4; Or the product of master fertile (Mastervolt), model Soladin 120, Soladin 120/a-Si, and S0ladin 120/54, Soladin 120/It; Voltage 12V or 24V, power 300W or select for use as required.
Switch controller as shown in Figure 3, its operation principle:
1. circuit detects photronic output voltage through analog-to-digital conversion by resistor voltage divider circuit, and microprocessor can be judged darkness or daybreak.
2. if daybreak, microprocessor will not done any action, and relay is to be in normally off, and inverter self changes direct current energy into AC energy according to the power output of solar panel, and the normally closed contact through relay feeds back to electrical network.
3. if darkness, microprocessor will be exported one and drive signal, make the control coil action of relay, and the output of relay was connected on normal battle, and electrical network is a street lamp power supply, road lamp power supply, and power-on time can be controlled by microprocessor, and the user can be with switch or formula.
Physical circuit figure is according to operation principle, and those skilled in the art all can conveniently finish.
The design is connected the photocell assembly generating with public electric wire net, critical component is an inverter in grid-connected photovoltaic power generation system.The direct current energy that inverter sends solar battery converts AC energy to and exports to electrical network.When public electric wire net was stopped power supply, inverter can detect immediately and stop automatically transmitting electric power to electrical network.When public electric wire net was powered once more, inverter can detect and begin automatically to the electrical network transmission of electric energy immediately.The generating of photovoltaic module directly delivers into electrical network.Then provide electric power at night by public electric wire net.
The design has increased island effect, makes system more safe and reliable.Because special testing circuit is arranged in grid-connected photovoltaic system.When public electric wire net need be safeguarded and overhaul, system safety devices will stop the operation conditions in the automatic detection of grid to transmit electric power to electrical network automatically.
The utility model is not subjected to the restriction of floor space, therefore is more convenient for promoting.Can be installed in any system, be used for solar street light, garden lamp, solar advertisement light box, family type small-sized solar power station near city's net. and 1,000,000 solar energy roof plans of government.
Claims (3)
1. the Solar Street Lighting System without battery contains solar battery array and lighting that is attached thereto and control circuit, and it is characterized in that: described solar battery array is connected with combining inverter; Described combining inverter is connected with electrical network.
2. the Solar Street Lighting System without battery according to claim 1 is characterized in that: described control circuit is a switch controller; Described switch controller links to each other with combining inverter, and communicates with electrical network and lighting.
3. the Solar Street Lighting System without battery according to claim 1, it is characterized in that: described switch controller is to detect photronic output voltage by resistor voltage divider circuit, through the analog-to-digital conversion input microprocessor, move by microprocessor control relay contact again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620103288 CN2893406Y (en) | 2006-05-08 | 2006-05-08 | Solar road lamp system without accumulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620103288 CN2893406Y (en) | 2006-05-08 | 2006-05-08 | Solar road lamp system without accumulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2893406Y true CN2893406Y (en) | 2007-04-25 |
Family
ID=38061567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620103288 Expired - Fee Related CN2893406Y (en) | 2006-05-08 | 2006-05-08 | Solar road lamp system without accumulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2893406Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103533731A (en) * | 2013-10-28 | 2014-01-22 | 阳光电源股份有限公司 | Micro grid-connected inverter and street lamp control system employing same |
| CN105226800A (en) * | 2015-10-27 | 2016-01-06 | 夏百战 | A kind of solar energy power generating urban lighting system |
| CN110173647A (en) * | 2019-05-08 | 2019-08-27 | 平潭煜想时代科技有限公司 | Based on without battery pass through the grid-connected solar street light of alternating current and its control method |
-
2006
- 2006-05-08 CN CN 200620103288 patent/CN2893406Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103533731A (en) * | 2013-10-28 | 2014-01-22 | 阳光电源股份有限公司 | Micro grid-connected inverter and street lamp control system employing same |
| CN105226800A (en) * | 2015-10-27 | 2016-01-06 | 夏百战 | A kind of solar energy power generating urban lighting system |
| CN110173647A (en) * | 2019-05-08 | 2019-08-27 | 平潭煜想时代科技有限公司 | Based on without battery pass through the grid-connected solar street light of alternating current and its control method |
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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: 20070425 Termination date: 20100508 |