CN220586024U - Park illumination power supply cooperative system - Google Patents
Park illumination power supply cooperative system Download PDFInfo
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- CN220586024U CN220586024U CN202322021869.1U CN202322021869U CN220586024U CN 220586024 U CN220586024 U CN 220586024U CN 202322021869 U CN202322021869 U CN 202322021869U CN 220586024 U CN220586024 U CN 220586024U
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- storage battery
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- 238000005286 illumination Methods 0.000 title claims abstract description 20
- 238000003860 storage Methods 0.000 claims abstract description 34
- 238000007600 charging Methods 0.000 claims abstract description 33
- 239000003990 capacitor Substances 0.000 claims description 11
- 230000000087 stabilizing effect Effects 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000013078 crystal Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010280 constant potential charging Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a park illumination power supply cooperative system which comprises a solar cell panel, a storage battery, a rectifying circuit, a control system, a constant current driving circuit, an illuminating lamp and a charging control circuit. The utility model can supply power to the lighting lamp by using the solar panel-storage battery and the factory power supply circuit, thereby improving the power supply reliability; on the other hand, through the control to the charging process to and avoided the battery to discharge continually under the condition of low voltage, reduced the damage to the battery in the use.
Description
Technical Field
The utility model relates to the field of power supply and illumination, in particular to a park illumination and power supply cooperative system.
Background
The illumination system of the factory building park of the power plant plays an important role in the safe production of the power plant, and the illumination power supply system of the factory building park of the power plant is generally powered by a 400V power distribution cabinet in the factory, so that the power supply reliability is improved, and the 400V power distribution cabinet is powered by two sections of 10KV buses. However, if the upper two sections of 10KV buses are powered off simultaneously, the power station park can lose the illumination light source, and the production is affected.
In order to reduce the power failure risk, a technical scheme of charging by using a solar panel and supplying power to a storage battery is used in a plurality of parks, but constant voltage charging is kept all the time in the process of charging the storage battery, the optimal charging curve of the storage battery is not followed, and the storage battery is easy to damage; in addition, if the situation is more in rainy days, the electric quantity of the storage battery does not meet the lighting requirement.
Disclosure of Invention
The utility model overcomes the defects of the prior art and provides a park illumination power supply cooperative system, so that the problem of power supply of the existing park illumination system can be expected to be solved.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a park illumination power supply cooperative system comprises a solar cell panel, a storage battery, a rectifying circuit, a control system, a constant current driving circuit, an illuminating lamp and a charging control circuit;
the solar panel is connected with a charging control circuit, the charging control circuit is connected with a storage battery, and the storage battery is connected with a constant current driving circuit;
the control system is connected with the charging control circuit;
the factory power supply circuit is connected with the constant current driving circuit after passing through the rectifying circuit;
the constant current driving circuit is connected with the lighting lamp.
When the power supply circuit for factories is powered off, the power supply circuit can be switched to the storage battery to supply power to the constant current drive circuit, and as the voltage rectified by the storage battery and the power supply circuit for factories cannot be directly applied to two ends of the LED, the lighting equipment is driven only by the constant current drive circuit.
Meanwhile, the charging control circuit is controlled by the control system, so that the charging current of the storage battery is in a gradually decreasing state, and the damage to the storage battery in the charging process is reduced.
The charging control circuit comprises a triode Q1, a triode Q2, an inductor L1, a filter circuit and a protection circuit;
the triode Q1 is an NPN triode, the base electrode is connected with the port of the control system, the on-off of the triode can be controlled, the collector electrode is connected with a pull-up resistor, and the emitter electrode is grounded.
The triode Q2 is a MOSFET type triode, the grid electrode of the MOSFET type triode is connected with the collector electrode of the triode Q2, the drain electrode of the MOSFET type triode is connected to the VE end, the source electrode of the MOSFET type triode is an output, and the source electrode of the MOSFET type triode is connected with a diode D1 in parallel.
Since the output is a square wave, a filter voltage stabilizing circuit is added. An inductor and two capacitors are adopted to form a filtering voltage stabilizing circuit, the head end of the inductor is connected in series with the source electrode of the triode Q2, the tail end of the inductor is connected with the two capacitors in parallel, the tail end of the inductor is connected with the diode D2, reverse charging can be prevented, and the cathode of the diode D2 is connected with the anode of the storage battery.
The PWM1 wave level of the control system controls the on-off of the triode Q1, when the PWM1 is at a high level, the triode Q1 is in conduction under the vcc effect, the triode Q2 is also in conduction at the moment, and the solar panel is added to the two ends of the storage battery to start charging.
The charging current is in a smooth state through the on and off states of Q2 and the following inductor; by controlling the ratio of on and off times, the magnitude of the charging current can be controlled. In addition, because the triode is frequently switched on and off, a filter circuit and a protection circuit are added at the back for reducing interference.
The park illumination power supply cooperative system further comprises a voltage acquisition circuit;
the voltage acquisition circuit is arranged in the solar panel and the storage battery;
the voltage acquisition circuit is connected with the control system.
The charging control circuit can be controlled by the control system by collecting the voltage of the solar panel and feeding back the voltage information of the solar panel to the control system, so that the charging process is controlled.
Through gathering the voltage of battery, can stop battery power supply under the condition that battery voltage is too low, avoid the battery damage.
The voltage acquisition circuit adopts a discrete circuit, and the sampled voltage signal is divided by a resistor first and then is sent to a voltage follower.
Because the AD reference voltage of the single-chip microcomputer is 5V and the peak voltage of the solar battery is about 20V, the voltage divided by the voltage dividing resistor sent to the voltage follower is 5V, and the voltage divided by the other voltage dividing resistor is 15V, the ratio of the two voltage dividing resistors is 1:3, R1 takes 1K, R2 takes 3K, and the voltage is sent to the single-chip microcomputer AD after passing through the voltage follower; for the voltage of the storage battery, the peak value is 12V, and the obtained voltage after voltage division is 3V, so that the requirement is met.
The park illumination power supply cooperative system further comprises a clock reference circuit;
the clock reference circuit is connected with a control system, and the control system is connected with the constant current driving circuit.
The control system can control the lighting lamp according to specific time, so that waste is avoided.
The further technical scheme is that the control circuit is a singlechip;
the singlechip comprises a chip filter circuit, a power supply voltage stabilizing circuit, a power supply indicating circuit, a singlechip reset circuit, a crystal oscillator circuit and a program downloading circuit;
the chip filter circuit realizes filtering through parallel connection of 0.01uF and 220nF capacitors;
the power supply voltage stabilizing circuit is characterized in that two ceramic chip capacitors and a 10uF electrolytic capacitor are connected in parallel, and then a 100uH inductor is connected in series.
The structure can ensure that the voltage is stabilized at 5V.
Compared with the prior art, the utility model has at least the following beneficial effects: the utility model can supply power to the lighting lamp by using the solar panel-storage battery and the factory power supply circuit, thereby improving the power supply reliability; on the other hand, through the control to the charging process to and avoided the battery to discharge continually under the condition of low voltage, reduced the damage to the battery in the use.
Drawings
FIG. 1 is a schematic diagram of the overall composition of the present utility model.
Fig. 2 is a schematic diagram of a charge control circuit according to the present utility model.
Fig. 3 is a schematic diagram of a voltage acquisition circuit according to the present utility model.
Fig. 4 is a schematic diagram of an LED driving circuit according to the present utility model.
Fig. 5 is a flowchart of the present utility model.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The park illumination power supply cooperative system comprises a solar panel, a storage battery, a rectifying circuit, a control system, a constant current driving circuit, an illuminating lamp, a charging control circuit, a voltage acquisition circuit and a clock reference circuit, wherein the storage battery is connected with the solar panel;
the solar panel is connected with a charging control circuit, the charging control circuit is connected with a storage battery, and the storage battery is connected with a constant current driving circuit;
referring to fig. 2, the charging control circuit includes a transistor Q1, a transistor Q2, an inductor L1, a filter circuit, and a protection circuit;
the triode Q1 is an NPN triode, the base electrode is connected with the port of the control system, the on-off of the triode can be controlled, the collector electrode is connected with a pull-up resistor, and the emitter electrode is grounded;
the triode Q2 is a MOSFET type triode, the grid electrode of the MOSFET type triode is connected with the collector electrode of the triode Q2, the drain electrode of the MOSFET type triode is connected to the VE end, the source electrode of the MOSFET type triode is an output, and the source electrode of the MOSFET type triode is connected with a diode D1 in parallel.
The control system is connected with the charging control circuit;
the factory power supply circuit is connected with the constant current driving circuit after passing through the rectifying circuit;
the constant current driving circuit is connected with the lighting lamp.
Referring to fig. 3, the voltage acquisition circuit is installed in the solar panel and the storage battery; the voltage acquisition circuit adopts a discrete circuit, see fig. 3, and the sampled voltage signal is divided by a resistor first and then sent to a voltage follower.
The voltage acquisition circuit is connected with the control system.
The rectified voltage of the storage battery and the factory power cannot be directly applied to two ends of the LED, and the LED is driven only through the driving circuit. As shown in FIG. 4, the LEDs are driven by PAM2842, PWM dimming is supported, wherein a comp pin is connected into PWM0 and PWM2 of the XS128 singlechip.
The clock reference circuit is connected with a control system, and the control system is connected with the constant current driving circuit.
The control circuit is a singlechip;
the singlechip comprises a chip filter circuit, a power supply voltage stabilizing circuit, a power supply indicating circuit, a singlechip reset circuit, a crystal oscillator circuit and a program downloading circuit;
the chip filter circuit realizes filtering through parallel connection of 0.01uF and 220nF capacitors;
the power supply voltage stabilizing circuit is characterized in that two ceramic chip capacitors and a 10uF electrolytic capacitor are connected in parallel, and then a 100uH inductor is connected in series.
In the use process, referring to fig. 5, the control step of the charging process is to collect the voltage of the solar panel, the control circuit judges whether the charging can be performed according to whether the voltage of the solar panel is more than 12V, if so, the control circuit further collects the voltage of the storage battery and controls the charging process according to the voltage of the storage battery;
the lighting control steps are as follows: the control circuit judges whether illumination is needed according to the time provided by the clock reference circuit, and if the illumination is needed, the control circuit judges the current illumination time and illumination power;
the control circuit judges whether the power supply circuit for the factory is powered, if so, the power supply circuit for the factory is used for supplying power to the lighting lamp according to the set power;
if the control circuit judges that the power supply circuit for the factory is not powered, collecting whether the voltage of the storage battery is greater than 10V, and if the voltage of the storage battery is greater than 10V, powering the lighting lamp by the storage battery according to the set power; if not more than 10V, the switch is directly turned off.
Although the utility model has been described herein with reference to illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the scope and spirit of the principles of this disclosure. More specifically, various variations and modifications may be made to the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure. In addition to variations and modifications in the component parts and/or arrangements, other uses will be apparent to those skilled in the art.
Claims (6)
1. The park illumination power supply cooperative system is characterized by comprising a solar cell panel, a storage battery, a rectifying circuit, a control system, a constant current driving circuit, an illumination lamp and a charging control circuit;
the solar panel is connected with a charging control circuit, the charging control circuit is connected with a storage battery, and the storage battery is connected with a constant current driving circuit;
the control system is connected with the charging control circuit;
the factory power supply circuit is connected with the constant current driving circuit after passing through the rectifying circuit;
the constant current driving circuit is connected with the lighting lamp.
2. The park lighting power supply cooperative system of claim 1, wherein the charging control circuit comprises a triode Q1, a triode Q2, an inductor L1, a filter circuit and a protection circuit;
the triode Q1 is an NPN triode, the base electrode is connected with the port of the control system, the on-off of the triode can be controlled, the collector electrode is connected with a pull-up resistor, and the emitter electrode is grounded;
the triode Q2 is a MOSFET type triode, the grid electrode of the MOSFET type triode is connected with the collector electrode of the triode Q2, the drain electrode of the MOSFET type triode is connected to the VE end, the source electrode of the MOSFET type triode is an output, and the source electrode of the MOSFET type triode is connected with a diode D1 in parallel.
3. The campus lighting power coordination system of claim 1 further comprising, voltage acquisition circuitry;
the voltage acquisition circuit is arranged in the solar panel and the storage battery;
the voltage acquisition circuit is connected with the control system.
4. A campus lighting power coordination system as claimed in claim 3 wherein the voltage acquisition circuit employs discrete circuits, the sampled voltage signal being first divided by resistors and then fed to a voltage follower.
5. The campus lighting power coordination system of claim 1 further comprising, a clock reference circuit;
the clock reference circuit is connected with a control system, and the control system is connected with the constant current driving circuit.
6. The campus lighting power supply cooperative system of claim 1, wherein the control circuit comprises a single chip microcomputer and an auxiliary power supply;
the singlechip comprises a chip filter circuit, a power supply voltage stabilizing circuit, a power supply indicating circuit, a singlechip reset circuit, a crystal oscillator circuit and a program downloading circuit;
the chip filter circuit realizes filtering through parallel connection of 0.01uF and 220nF capacitors;
the power supply voltage stabilizing circuit is characterized in that two ceramic chip capacitors and a 10uF electrolytic capacitor are connected in parallel, and then a 100uH inductor is connected in series;
the auxiliary power supply supplies power for the singlechip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322021869.1U CN220586024U (en) | 2023-07-28 | 2023-07-28 | Park illumination power supply cooperative system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322021869.1U CN220586024U (en) | 2023-07-28 | 2023-07-28 | Park illumination power supply cooperative system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220586024U true CN220586024U (en) | 2024-03-12 |
Family
ID=90115954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322021869.1U Active CN220586024U (en) | 2023-07-28 | 2023-07-28 | Park illumination power supply cooperative system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220586024U (en) |
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2023
- 2023-07-28 CN CN202322021869.1U patent/CN220586024U/en active Active
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