CN203661373U - Solar and mains supply-compatible warning lamp - Google Patents
Solar and mains supply-compatible warning lamp Download PDFInfo
- Publication number
- CN203661373U CN203661373U CN201320877968.3U CN201320877968U CN203661373U CN 203661373 U CN203661373 U CN 203661373U CN 201320877968 U CN201320877968 U CN 201320877968U CN 203661373 U CN203661373 U CN 203661373U
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- switching
- cpu control
- voltage detection
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- 238000001514 detection method Methods 0.000 claims abstract description 27
- 230000000087 stabilizing effect Effects 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 9
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 6
- 229910052744 lithium Inorganic materials 0.000 claims description 6
- 238000001914 filtration Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000005286 illumination Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization 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
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
A solar and mains supply-compatible warning lamp comprises a solar panel, a rectification circuit, a filtering circuit, a constant current driving circuit and a light emitting circuit which are connected with one another sequentially. The solar and mains supply-compatible warning lamp further comprises a voltage detection circuit, a CPU control circuit, a mains supply interface, a switching circuit and a switching power source circuit; the voltage detection circuit is connected with the solar panel and is used for detecting the voltage of the solar panel and correspondingly generating a voltage detection signal and transmitting the voltage detection signal to the CPU control circuit; the CPU control circuit is used for transmitting a switching signal to the switching circuit according to the voltage detection signal, and performing PWM dimming control on the constant current driving circuit according to the voltage detection signal; the switching circuit is used for connecting the switching power source circuit to the mains supply interface and disconnecting the switching power source circuit from the mains supply interface according to the switching signal provided by the CPU control circuit; and the output end of the switching power source circuit is connected with the output end of the rectification circuit. The solar and mains supply-compatible warning lamp of the utility model, solar and mains supply-compatible power supply is adopted, and therefore, resource utilization rate can be greatly improved, and the stable operation of the warning lamp can be ensured.
Description
Technical Field
The utility model relates to a warning light, concretely relates to solar energy and commercial power compatible warning light.
Background
With the development of economy and the progress of society, people put forward higher and higher requirements on energy, and solar power generation is more and more favored by people as a novel electric energy acquisition mode, wherein solar lighting is an important application mode. However, solar radiation has discontinuities and intermittencies, for example, in the daytime under normal illumination intensity, the solar panel can effectively provide power, and in the night or rainy day, due to low illumination intensity, the warning lamp cannot be lighted because of insufficient power supply of the solar panel.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a solar energy and compatible warning light of commercial power adopts solar energy and the compatible power supply of commercial power, has both improved the utilization ratio of resource greatly, can guarantee the steady operation of warning light again.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the warning lamp compatible with solar energy and commercial power comprises a solar panel, a rectifying circuit, a filter circuit, a constant current driving circuit and a light-emitting circuit which are sequentially connected; the device also comprises a voltage detection circuit, a CPU control circuit, a mains supply interface, a switching circuit and a switching power supply circuit; the voltage detection circuit is connected to the solar panel and used for detecting the voltage of the solar panel and correspondingly generating a voltage detection signal to be sent to the CPU control circuit; the output end of the CPU control circuit is connected to the switching circuit and the constant current driving circuit, and is used for sending a switching signal to the switching circuit according to a voltage detection signal provided by the voltage detection circuit and carrying out PWM dimming control on the constant current driving circuit according to the voltage detection signal provided by the voltage detection circuit; the switching circuit is used for connecting the switching power supply circuit to the mains supply interface or disconnecting the switching power supply circuit from the mains supply interface according to a switching signal provided by the CPU control circuit, and the output end of the switching power supply circuit is connected to the output end of the rectifying circuit.
Preferably, the warning light further comprises a voltage stabilizing circuit connected between the filter circuit and the CPU control circuit, and the voltage stabilizing circuit is configured to stabilize the dc power provided by the filter circuit and then provide a working voltage for the CPU control circuit.
Preferably, the output end of the filter circuit is electrically connected with a lithium battery.
Preferably, the CPU control circuit includes a first dial switch and a second dial switch, the first dial switch is used to control the on/off state of the warning light, and the second dial switch is used to control the on/off state of the PWM dimming.
Preferably, the constant current driving circuit is provided with an analog dimming circuit.
Preferably, the warning light further comprises a clock module, and the clock module is electrically connected with the CPU control circuit.
Preferably, the warning light further comprises a communication module for establishing communication connection with an external debugger, and the communication module is electrically connected with the CPU control circuit.
Compared with the prior art, the utility model discloses a CPU control circuit can control switching circuit according to the voltage on the solar panel, when voltage on solar panel is less than the default, switching circuit is connected to switching power supply circuit to mains interface, with the commercial power automatic access and through switching power supply circuit, filter circuit and constant current drive circuit supply power for lighting circuit after handling, when voltage on solar panel is greater than or equal to the default, switching circuit disconnects switching power supply circuit from mains interface, thereby realize solar energy and the compatible power supply of commercial power, the utilization ratio of resource has both been improved greatly, can guarantee the steady operation of warning light again. The utility model also carries out PWM dimming control on the constant current driving circuit through the CPU control circuit, when the warning lamp is in the solar power supply mode, the second dial switch is switched off, the CPU control circuit carries out PWM dimming control on the constant current driving circuit through adjusting the duty ratio of PWM waves, and the lower the voltage on the solar panel, the larger the PWM dimming proportion; when the warning light is in the commercial power supply mode, the second dial switch is closed, and CPU control circuit stops to carry out PWM dimming control to constant current drive circuit this moment, makes the utility model discloses simple structure, peripheral component reduce and keep higher work efficiency.
Drawings
FIG. 1 is a block diagram of a preferred embodiment of the solar and utility-compatible warning light of the present invention;
FIG. 2 is a partial circuit diagram of FIG. 1;
fig. 3 is a circuit diagram of the constant current driving circuit in fig. 1.
Detailed Description
The invention will be further described with reference to the drawings and the detailed description so as to clearly understand the technical idea of the invention.
Please refer to fig. 1 to 3, the present invention relates to a solar energy and commercial power compatible warning light, the preferred embodiment of which comprises a solar panel 1, a rectifying circuit 2, a filter circuit 3, a constant current driving circuit 4, a light emitting circuit 5, a voltage detecting circuit 6, a CPU control circuit 7, a commercial power interface 8, a switching circuit 9, a switching power circuit 10, a voltage stabilizing circuit 11, a lithium battery 12, a clock module 13 and a communication module 14.
The solar panel 1, the rectifying circuit 2, the filter circuit 3, the constant current driving circuit 4 and the light-emitting circuit 5 are electrically connected in sequence; the lithium battery 12 is electrically connected to the output end of the filter circuit 3; the voltage stabilizing circuit 11 is connected between the filter circuit 3 and the CPU control circuit 7, and the voltage stabilizing circuit 11 is configured to perform voltage stabilization processing on the direct current provided by the filter circuit 3 and then provide a working voltage for the CPU control circuit 7. When the warning lamp is in a solar power supply mode, the output voltage of the solar panel 1 is rectified by the rectifying circuit 2, filtered by the filtering circuit 3 and subjected to constant current driving by the constant current driving circuit 4, and then direct current suitable for the light-emitting circuit 5 is output; meanwhile, the output voltage of the solar panel 1 is rectified by the rectifying circuit 2 and filtered by the filter circuit 3 to charge the lithium battery 12 or is stabilized by the voltage stabilizing circuit 11 to provide working voltage for the CPU control circuit 7.
The voltage detection circuit 6 is electrically connected to the solar panel 1, and is configured to detect a voltage of the solar panel 1 and correspondingly generate a voltage detection signal to be sent to the CPU control circuit 7.
The input end of the CPU control circuit 7 is electrically connected to the voltage detection circuit 6, and the output end thereof is electrically connected to the switching circuit 9 and the constant current driving circuit 4, and is configured to send a switching signal to the switching circuit 9 according to the voltage detection signal provided by the voltage detection circuit 6, and is configured to perform PWM dimming control on the constant current driving circuit 4 according to the voltage detection signal provided by the voltage detection circuit 6. Moreover, the CPU control circuit also comprises a first dial switch S1 and a second dial switch S2, wherein the first dial switch S1 is used for controlling the on-off state of the warning lamp, and the second dial switch S2 is used for controlling the on-off state of the PWM dimming. When the warning lamp is in the solar power supply mode, the second dial switch S2 is turned off, and at this time, the CPU control circuit 7 performs PWM dimming control on the constant current driving circuit 4 by adjusting the duty ratio of the PWM wave, and the lower the voltage on the solar panel 1, the larger the PWM dimming ratio; when the second dial switch is closed, the CPU control circuit 7 stops performing PWM dimming control on the constant current driving circuit 4.
The switching circuit 9 is used for connecting the switching power supply circuit 10 to the mains interface 8 or disconnecting the switching power supply circuit 10 from the mains interface 8 according to a switching signal provided by the CPU control circuit 7, and an output end of the switching power supply circuit 10 is connected to an output end of the rectifying circuit 2. When the voltage on the solar panel 1 is greater than or equal to the preset value, the switching circuit 9 disconnects the switching power supply circuit from the mains supply interface, when the voltage on the solar panel 1 is lower than the preset value, the switching circuit 9 connects the switching power supply circuit 10 to the mains supply interface, and at the moment, the warning lamp enters a mains supply mode. In the mains supply mode, the mains supply outputs a direct current voltage to the input end of the filter circuit 3 after being processed by the switch power supply circuit 10, and specifically, the direct current voltage output by the switch power supply circuit 10 outputs a direct current suitable for the light-emitting circuit 5 after being filtered by the filter circuit 3 and being subjected to constant current driving by the constant current driving circuit 4; meanwhile, the dc voltage output from the switching power supply circuit 10 is filtered by the filter circuit 3 and then charges the lithium battery 12, or is stabilized by the voltage stabilizing circuit 11 and then provides the operating voltage for the CPU control circuit 7. In the commercial power supply mode, the second dial switch is turned on, the CPU control circuit 7 stops performing PWM dimming control on the constant current driving circuit 4, and at this time, the light emitting circuit 5 directly operates in the maximum current mode.
Preferably, the constant current driving circuit 4 is further provided with an analog dimming circuit, so that the constant current driving circuit 4 can realize a PWM dimming function and an analog dimming function. As shown in fig. 3, it is a circuit diagram of the constant current driving circuit of the present embodiment.
The clock module 13 is connected with the CPU control circuit 7; the communication module 14 is electrically connected to the CPU control circuit 7, and is configured to establish a communication connection with an external debugger.
Various other changes and modifications may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such changes and modifications should fall within the scope of the present invention.
Claims (7)
1. Solar energy and commercial power compatible warning light, its characterized in that: the solar energy LED lamp comprises a solar panel, a rectifying circuit, a filter circuit, a constant current driving circuit and a light-emitting circuit which are sequentially connected; the device also comprises a voltage detection circuit, a CPU control circuit, a mains supply interface, a switching circuit and a switching power supply circuit; wherein,
the voltage detection circuit is connected to the solar panel and used for detecting the voltage of the solar panel and correspondingly generating a voltage detection signal to be sent to the CPU control circuit;
the output end of the CPU control circuit is connected to the switching circuit and the constant current driving circuit, and is used for sending a switching signal to the switching circuit according to a voltage detection signal provided by the voltage detection circuit and carrying out PWM dimming control on the constant current driving circuit according to the voltage detection signal provided by the voltage detection circuit;
the switching circuit is used for connecting the switching power supply circuit to the mains supply interface or disconnecting the switching power supply circuit from the mains supply interface according to a switching signal provided by the CPU control circuit, and the output end of the switching power supply circuit is connected to the output end of the rectifying circuit.
2. The solar and utility compatible warning light of claim 1, wherein: the warning lamp also comprises a voltage stabilizing circuit connected between the filter circuit and the CPU control circuit, and the voltage stabilizing circuit is used for stabilizing the direct current provided by the filter circuit and then providing working voltage for the CPU control circuit.
3. The solar and utility compatible warning light of claim 1, wherein: the output end of the filter circuit is also electrically connected with a lithium battery.
4. The solar and utility compatible warning light of claim 1, wherein: the CPU control circuit comprises a first dial switch and a second dial switch, the first dial switch is used for controlling the on-off state of the warning lamp, and the second dial switch is used for controlling the on-off state of PWM dimming.
5. The solar and utility compatible warning light of claim 1, wherein: the constant current driving circuit is provided with an analog dimming circuit.
6. The solar and utility compatible warning light of claim 1, wherein: the warning light also comprises a clock module which is electrically connected with the CPU control circuit.
7. The solar and utility compatible warning light of claim 1, wherein: the warning light also comprises a communication module used for establishing communication connection with an external debugger, and the communication module is electrically connected with the CPU control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320877968.3U CN203661373U (en) | 2013-12-28 | 2013-12-28 | Solar and mains supply-compatible warning lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320877968.3U CN203661373U (en) | 2013-12-28 | 2013-12-28 | Solar and mains supply-compatible warning lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203661373U true CN203661373U (en) | 2014-06-18 |
Family
ID=50927717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320877968.3U Expired - Lifetime CN203661373U (en) | 2013-12-28 | 2013-12-28 | Solar and mains supply-compatible warning lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203661373U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018091002A1 (en) * | 2016-11-16 | 2018-05-24 | 洪学远 | Novel smart led traffic signal control circuit and control apparatus |
| CN112628662A (en) * | 2019-09-24 | 2021-04-09 | 叶磊 | A multi-energy complementary smart street light |
-
2013
- 2013-12-28 CN CN201320877968.3U patent/CN203661373U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018091002A1 (en) * | 2016-11-16 | 2018-05-24 | 洪学远 | Novel smart led traffic signal control circuit and control apparatus |
| US10720052B2 (en) | 2016-11-16 | 2020-07-21 | Hokyuen HUNG | Intelligent control circuit and controller for traffic LED signal lamp |
| CN112628662A (en) * | 2019-09-24 | 2021-04-09 | 叶磊 | A multi-energy complementary smart street light |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140618 |