CN203608417U - Solar street lamp device - Google Patents
Solar street lamp device Download PDFInfo
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- CN203608417U CN203608417U CN201320689093.4U CN201320689093U CN203608417U CN 203608417 U CN203608417 U CN 203608417U CN 201320689093 U CN201320689093 U CN 201320689093U CN 203608417 U CN203608417 U CN 203608417U
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- street light
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- 238000012360 testing method Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 description 14
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
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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 solar street lamp device, comprising a solar cell panel, a micro-inverter, and a street lamp device. In the micro-inverter, controls ends of a first DC/DC converter and an inverter circuit are respectively connected with output ends of a controller. The street lamp device comprises a second DC/DC converter, a driving circuit, and a lamp. The electric power output end of the solar cell panel is connected with a first side of the first DC/DC converter, and a second side of the first DC/DC converter is connected with a first side of the inverter. A second side of the inverter is connected with a power grid. A first side of the second DC/DC converter is connected with the second side of the first DC/DC converter. An electric power input end of the driving circuit is connected with the second side of the second DC/DC converter. The lamp is connected with an electric power output end of the driving circuit, and meanwhile the control end of the second DC/DC converter is connected with the output end of the controller. The solar street lamp device reduces system cost and operating cost, improves utilization rate of electrical energy of the system, and the street lamp device does not need additional control device.
Description
Technical field
The utility model belongs to lighting technical field, relates in particular to solar street light device.
Background technology
Street lamp illumination system in city can consume a large amount of electric energy, in order to reduce the consumption to the energy, and the solar street light devices that adopt at present more.Present solar street light device mainly comprises solar panel, storage battery and street lamp, when sunny, solar panel utilizes solar power generation, and delivery of electrical energy to storage battery is stored, in the time of night or insufficient light, be street lamp power supply, road lamp power supply by storage battery.
But existing solar street light device exists following defect: the cost of storage battery is higher, cause the system cost of solar street light device higher; Storage battery can lose more energy in charge and discharge process, causes the utilization rate of electrical of solar street light device lower; In the life-span short (conventionally only having 1 to 2 year) of storage battery, this causes carrying out periodic maintenance to solar street light device, has increased operation cost.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of solar street light device, can reduce system cost and operation cost, and improves the utilization rate of electrical of system.
For achieving the above object, the utility model provides following technical scheme:
The utility model discloses a kind of solar street light device, comprise solar panel, micro-inverter and road lamp device;
Described micro-inverter comprises a DC/DC converter, inverter circuit and controller, and the control end of a described DC/DC converter and inverter circuit is connected with the output of described controller respectively;
Described road lamp device comprises the 2nd DC/DC converter, drive circuit and light fixture;
The electric energy output end of described solar panel is connected to the first side of a described DC/DC converter, the second side of a described DC/DC converter is connected to the first side of described inverter, the second side of described inverter is connected to electrical network, the first side of described the 2nd DC/DC converter is connected to the second side of a described DC/DC converter, the electric energy input of described drive circuit is connected to the second side of described the 2nd DC/DC converter, described light fixture is connected with the electric energy output end of described drive circuit, described the 2nd control end of DC/DC converter and the output of described controller are connected simultaneously.
Preferably, in above-mentioned solar street light device, the control end of described drive circuit is connected with the output of described controller.
Preferably, in above-mentioned solar street light device, described controller is connected with host computer is long-range.
Preferably, above-mentioned solar street light device also comprises the voltage check device for detection of the output voltage of described solar panel, and the test side of described voltage check device is connected with the electric energy output end of described solar panel, signal output part is connected with the first input end of described controller.
Preferably, above-mentioned solar street light device also comprises light detection means, and the signal output part of described light detection means is connected with the second input of described controller.
Preferably, in above-mentioned solar street light device, described light detection means is arranged at the upside of described road lamp device, or is arranged at the upside of described micro-inverter.
Preferably, in above-mentioned solar street light device, a described DC/DC converter is step-up DC/DC converter, and described the 2nd DC/DC converter is voltage-dropping type DC/DC converter.
As can be seen here, the beneficial effects of the utility model are: the disclosed solar street light device of the utility model comprises solar panel, micro-inverter and road lamp device, when sunny, the electric energy that micro-inverter produces solar panel is treated to feed-in electrical network after alternating current, in the time that needs throw light on, a DC/DC converter in micro-inverter is out of service, thereby disconnect being electrically connected between solar panel and micro-inverter, by inverter circuit, the alternating current in electrical network is carried out to rectification processing, by the 2nd DC/DC converter in road lamp device, the direct current of inverter circuit output is carried out to step-down processing, thereby be light fixture power supply.Because the disclosed solar street light device of the utility model is without storage battery is set, therefore can reduce system cost and operation cost, and improve the utilization rate of electrical of system, by the controller in micro-inverter, road lamp device is controlled in addition, without control device is set in addition.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the disclosed a kind of solar street light device of the utility model;
Fig. 2 is the structural representation of the disclosed another kind of solar street light device of the utility model;
Fig. 3 is the structural representation of the disclosed another kind of solar street light device of the utility model.
Embodiment
For making object, technical scheme and the advantage of the utility model embodiment clearer, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
The utility model discloses a kind of solar street light device, can reduce system cost and operation cost, and improve the utilization rate of electrical of system.
Referring to Fig. 1, Fig. 1 is the structural representation of the disclosed solar street light device of the utility model.This solar street light device comprises solar panel 1, micro-inverter 2 and road lamp device 3.
Wherein:
Micro-inverter 2 comprises a DC/DC converter 21, inverter circuit 22 and controller 23.The control end of the one DC/DC converter 21 and inverter circuit 22 is connected with the output of controller 23 respectively.
The electric energy output end of solar panel 1 is connected to the first side of a DC/DC converter 21, and the second side of a DC/DC converter 21 is connected to the first side of inverter circuit 22, and the second side of inverter circuit 22 is connected to electrical network 01.
Below the course of work of the device of solar street light shown in Fig. 1 is described:
By day, controller 23 is controlled a DC/DC converter 21 in booste operation state, controls inverter circuit 22 in inversion operating state.Meanwhile, controller 23 is exported the first the 2nd DC/DC converter 31 controlling signal in road lamp device 3, out of service to control the 2nd DC/DC converter 31, closes thereby control road lamp device 3.The electric energy that solar panel 1 produces, through a DC/DC converter 21 processing of boosting, is transformed to alternating current feed-in electrical network 01 by inverter circuit 22 afterwards.
At night, it is out of service that controller 23 is controlled a DC/DC converter 21, and controller 23 is controlled inverter circuit 22 and run on reverse operation state.Meanwhile, controller 23 is exported the second the 2nd DC/DC converter 31 controlling signal in road lamp device 3, to control the 2nd DC/DC converter 31 in brownout operation state, opens thereby control road lamp device 3.Now, the one DC/DC converter 21 cuts off being electrically connected between micro-inverter 2 and solar panel 1, inverter circuit 22 is equivalent to rectification circuit, the alternating current in electrical network 01 is transformed to direct current by inverter circuit 22, the direct current of by the 2nd DC/DC converter 31, inverter circuit 22 being exported afterwards carries out step-down processing, lights light fixture 33 by drive circuit 32.
The disclosed solar street light device of the utility model comprises solar panel 1, micro-inverter 2 and road lamp device 3, when sunny, the electric energy that micro-inverter 2 produces solar panel 1 is treated to feed-in electrical network 01 after alternating current, in the time that needs throw light on, a DC/DC converter 21 in micro-inverter 2 is out of service, thereby disconnect being electrically connected between solar panel 1 and micro-inverter 2, by inverter circuit 22, the alternating current in electrical network 01 is carried out to rectification processing, the direct current of inverter circuit 22 being exported by the 2nd DC/DC converter 31 in road lamp device 3 carries out step-down processing, thereby power for light fixture 33.Because the disclosed solar street light device of the utility model is without storage battery is set, therefore can reduce system cost and operation cost, and improve the utilization rate of electrical of system, by the controller 23 in micro-inverter 2, road lamp device 3 is controlled in addition, without control device is set in addition.
In enforcement, a DC/DC converter 21 can adopt two-way DC/DC converter or step-up DC/DC converter.The 2nd DC/DC converter 31 can adopt two-way DC/DC converter or voltage-dropping type DC/DC converter.
As preferred version, the control end of the drive circuit 32 in road lamp device 3 is connected with an output of controller 23.Controller 23 is exported dimming control signal to drive circuit 32, thereby the brightness of light fixture 33 is controlled.
In enforcement, controller 23 can be connected with host computer is long-range, and the control command that controller 23 sends according to host computer is controlled a DC/DC converter 21, inverter circuit 22 and the 2nd DC/DC converter 31.In addition, in the time that the control end of drive circuit 32 and an output of controller 23 are connected, controller 23 also can utilize the clocking capability of self to control at times the brightness of light fixture 33.For example: after controller 23 judgements enter night, start road lamp device 3, controlled light fixture 33 at first 5 hours and maintain brighter state, control light fixture 33 in the ensuing time and maintain darker state.
Referring to Fig. 2, Fig. 2 is the structural representation of the disclosed another kind of solar street light device of the utility model.This solar street light device comprises solar panel 1, micro-inverter 2, road lamp device 3 and voltage check device 4.
Wherein:
Micro-inverter 2 comprises a DC/DC converter 21, inverter circuit 22 and controller 23.The control end of the one DC/DC converter 21 and inverter circuit 22 is connected with the output of controller 23 respectively.
The test side of voltage check device 4 is connected with the electric energy output end of solar panel 1, signal output part is connected with the first input end of controller 23.Voltage check device 4 is for detection of the output voltage of solar panel 1, and the magnitude of voltage that detection is obtained transfers to controller 23.
The electric energy output end of solar panel 1 is connected to the first side of a DC/DC converter 21, and the second side of a DC/DC converter 21 is connected to the first side of inverter circuit 22, and the second side of inverter circuit 22 is connected to electrical network 01.
Controller 24, according to the output voltage of the solar panel 1 getting, is determined the time of the running status of switching a DC/DC converter 21, inverter circuit 22 and the 2nd DC/DC converter 31.
Below the course of work of the device of solar street light shown in Fig. 2 is described:
In the time that the output voltage of the solar panel 1 getting reaches the first voltage threshold, show the sunny of current environment, controller 23 is controlled a DC/DC converter 21 in booste operation state, control inverter circuit 22 in inversion operating state, control the 2nd DC/DC converter 31 out of service.The electric energy that solar panel 1 produces, through a DC/DC converter 21 processing of boosting, is transformed to alternating current feed-in electrical network 01 by inverter circuit 22 afterwards.
In the time that the output voltage of the solar panel 1 getting is less than second voltage threshold value, show the sunlight deficiency of current environment, it is out of service that controller 23 is controlled a DC/DC converter 21, control inverter circuit 22 in reverse operation state, control the 2nd DC/DC converter 31 in brownout operation state.Now, the one DC/DC converter 21 cuts off being electrically connected of micro-inverter 2 and solar panel 1, inverter circuit 22 is equivalent to rectification circuit, the alternating current in electrical network 01 is transformed to direct current by inverter circuit 22, the direct current of by the 2nd DC/DC converter 31, inverter circuit 22 being exported afterwards carries out step-down processing, thereby powers for light fixture 33.
Solar street light device shown in the utility model Fig. 2, using the output voltage of solar panel 1 as controlling foundation, to guarantee when sunny, the electric energy that solar panel 1 is produced is treated to feed-in electrical network 01 after alternating current, in the time that needs throw light on, by inverter circuit 22, the alternating current in electrical network 01 is carried out to rectification processing, the direct current of inverter circuit 22 being exported by the 2nd DC/DC converter 31 in road lamp device 3 carries out step-down processing, thereby powers for light fixture 33.
Can further carry out architecture advances to the solar energy circuit device shown in Fig. 2, concrete, an output that the control end of drive circuit 32 is connected to controller 23, the dimming control signal that drive circuit 32 transmits according to controller 23, regulates the brightness of light fixture 33.In enforcement, controller 23 can generate corresponding dimming control signal according to the output voltage of the solar panel 1 getting, and also can utilize the clocking capability of self to generate the dimming control signal corresponding with current time.
Referring to Fig. 3, Fig. 3 is the structural representation of the disclosed another kind of solar street light device of the utility model.This solar street light device comprises solar panel 1, micro-inverter 2, road lamp device 3 and light detection means 5.
Wherein:
Micro-inverter 2 comprises a DC/DC converter 21, inverter circuit 22 and controller 23.The control end of the one DC/DC converter 21 and inverter circuit 22 is connected with the output of controller 23 respectively.
The signal output part of light detection means 5 is connected with the second input of controller 23.Light detection means 5 is for detection of the light intensity of surrounding environment, and the light intensity value that detection is obtained transfers to controller 23.
The electric energy output end of solar panel 1 is connected to the first side of a DC/DC converter 21, and the second side of a DC/DC converter 21 is connected to the first side of inverter circuit 22, and the second side of inverter circuit 22 is connected to electrical network 01.
Below the course of work of the device of solar street light shown in Fig. 3 is described:
In the time that the light intensity value getting reaches the first Intensity threshold, controller 23 is controlled a DC/DC converter 21 in booste operation state, controls inverter circuit 22 in inversion operating state, controls the 2nd DC/DC converter 31 out of service.The electric energy that solar panel 1 produces, through a DC/DC converter 21 processing of boosting, is transformed to alternating current feed-in electrical network 01 by inverter circuit 22 afterwards.
In the time that the light intensity value getting is less than the second Intensity threshold, it is out of service that controller 23 is controlled a DC/DC converter 21, controls inverter circuit 22 in reverse operation state, controls the 2nd DC/DC converter 31 in brownout operation state.Now, the one DC/DC converter 21 cuts off being electrically connected of micro-inverter 2 and solar panel 1, inverter circuit 22 is equivalent to rectification circuit, the alternating current in electrical network 01 is transformed to direct current by inverter circuit 22, the direct current of by the 2nd DC/DC converter 31, inverter circuit 22 being exported afterwards carries out step-down processing, thereby powers for light fixture 33.
Solar street light device shown in the utility model Fig. 3, using the light intensity value in environment as controlling foundation, to guarantee when sunny, the electric energy that solar panel 1 is produced is treated to feed-in electrical network 01 after alternating current, in the time that needs throw light on, by inverter circuit 22, the alternating current in electrical network 01 is carried out to rectification processing, the direct current of inverter circuit 22 being exported by the 2nd DC/DC converter 31 in road lamp device 3 carries out step-down processing, thereby powers for light fixture 33.
Can further carry out architecture advances to the solar energy circuit device shown in Fig. 3, concrete, an output that the control end of drive circuit 32 is connected to controller 23, the dimming control signal that drive circuit 32 transmits according to controller 23, regulates the brightness of light fixture 33.In enforcement, controller 23 can be determined corresponding dimming control signal according to the light intensity value getting, and also can utilize the clocking capability of self to generate the dimming control signal corresponding with current time.
In enforcement, light detection means 5 can be arranged at the upside of road lamp device 3, or is arranged at the upside of micro-inverter 2.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.To be apparent for those skilled in the art to the multiple modification of these embodiment, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. a solar street light device, is characterized in that, comprises solar panel, micro-inverter and road lamp device;
Described micro-inverter comprises a DC/DC converter, inverter circuit and controller, and the control end of a described DC/DC converter and inverter circuit is connected with the output of described controller respectively;
Described road lamp device comprises the 2nd DC/DC converter, drive circuit and light fixture;
The electric energy output end of described solar panel is connected to the first side of a described DC/DC converter, the second side of a described DC/DC converter is connected to the first side of described inverter, the second side of described inverter is connected to electrical network, the first side of described the 2nd DC/DC converter is connected to the second side of a described DC/DC converter, the electric energy input of described drive circuit is connected to the second side of described the 2nd DC/DC converter, described light fixture is connected with the electric energy output end of described drive circuit, described the 2nd control end of DC/DC converter and the output of described controller are connected simultaneously.
2. solar street light device according to claim 1, is characterized in that, the control end of described drive circuit is connected with the output of described controller.
3. solar street light device according to claim 1 and 2, is characterized in that, described controller is connected with host computer is long-range.
4. solar street light device according to claim 1 and 2, it is characterized in that, also comprise the voltage check device for detection of the output voltage of described solar panel, the test side of described voltage check device is connected with the electric energy output end of described solar panel, signal output part is connected with the first input end of described controller.
5. solar street light device according to claim 1 and 2, is characterized in that, also comprises light detection means, and the signal output part of described light detection means is connected with the second input of described controller.
6. solar street light device according to claim 5, is characterized in that, described light detection means is arranged at the upside of described road lamp device, or is arranged at the upside of described micro-inverter.
7. solar street light device according to claim 1, is characterized in that, a described DC/DC converter is step-up DC/DC converter, and described the 2nd DC/DC converter is voltage-dropping type DC/DC converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320689093.4U CN203608417U (en) | 2013-10-31 | 2013-10-31 | Solar street lamp device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320689093.4U CN203608417U (en) | 2013-10-31 | 2013-10-31 | Solar street lamp device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203608417U true CN203608417U (en) | 2014-05-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320689093.4U Expired - Lifetime CN203608417U (en) | 2013-10-31 | 2013-10-31 | Solar street lamp device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203608417U (en) |
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2013
- 2013-10-31 CN CN201320689093.4U patent/CN203608417U/en not_active Expired - Lifetime
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Granted publication date: 20140521 |
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| CX01 | Expiry of patent term |