CN222169329U - Circuit applied to street lamp - Google Patents
Circuit applied to street lamp Download PDFInfo
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- CN222169329U CN222169329U CN202420106407.1U CN202420106407U CN222169329U CN 222169329 U CN222169329 U CN 222169329U CN 202420106407 U CN202420106407 U CN 202420106407U CN 222169329 U CN222169329 U CN 222169329U
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 71
- 239000003990 capacitor Substances 0.000 claims description 53
- 238000004804 winding Methods 0.000 claims description 15
- 230000005611 electricity Effects 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 230000002457 bidirectional effect Effects 0.000 description 4
- 238000007599 discharging Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Classifications
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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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Abstract
The utility model discloses a circuit applied to a street lamp, which belongs to the technical field of lighting equipment and comprises a power factor correction module, a first direct current-direct current conversion module, a second direct current conversion module and a power factor correction module, wherein the power factor correction module outputs bus voltage, the input end of the first direct current-direct current conversion module is connected with the bus voltage in parallel, the output end of the first direct current-direct current conversion module is connected with the street lamp in parallel, the bus voltage is generated through the power factor correction module when the street lamp is in valley electricity, the battery is charged through the first direct current-direct current conversion module, and the battery maintains the bus voltage through the discharge of the first direct current-direct current conversion module when the street lamp is in peak electricity, and the bus voltage supplies power to the street lamp through the second direct current-direct current conversion module. The circuit applied to the street lamp has the advantages that the structure is simplified, the reliability of the circuit structure is improved, the whole service life of the street lamp is prolonged, and the solar panel can be utilized.
Description
Technical Field
The utility model relates to the technical field of lighting equipment, in particular to a circuit applied to a street lamp.
Background
Usually, street lamps are installed on roads such as urban areas, so that people can safely pass through the street lamps at night. The solar panel charges the battery in daytime and the battery discharges to light the street lamp at night. However, solar street lamps with single functions are often affected by weather, so that the lighting rate is low. In addition, the used battery of the solar street lamp is formed by connecting multiple battery cells in series, and is generally provided with a battery protection plate, so that the battery is extremely easy to fire due to the failure of the protection plate.
Therefore, a novel circuit structure applied to the street lamp with the storage battery is urgently needed, and the battery is charged by the complementation of the commercial power and the solar energy, so that the lighting rate is ensured. In addition, the protection plate can be removed, the battery is prevented from being damaged by the fault of the protection plate, and the safety of the battery is fully ensured. Meanwhile, the battery energy storage principle is utilized, the commercial power charges the battery in the valley time, the battery discharges in the peak time, and the commercial power does not participate in power supply, so that the load of a power grid is balanced.
Disclosure of utility model
In order to achieve the above purpose, the circuit applied to the street lamp provided by the utility model adopts the following technical scheme:
A circuit applied to a street lamp comprises,
A power factor correction module that outputs a bus voltage;
the input end of the first direct current-direct current conversion module is connected with the output end of the power factor correction module in parallel, and the output end of the first direct current-direct current conversion module is connected with a battery in parallel;
and the input end of the second direct current-direct current conversion module is connected with the output end of the power factor correction module in parallel, and the output end of the second direct current-direct current conversion module is connected with the street lamp in parallel.
Implementations may include any or all of the following features.
Further, the bus voltage is generated through the power factor correction module during valley electricity, the bus voltage charges the battery through the first direct current-direct current conversion module, or the bus voltage charges the battery through the first direct current-direct current conversion module and simultaneously supplies power to the street lamp through the second direct current-direct current conversion module, or the bus voltage supplies power to the street lamp through the second direct current-direct current conversion module, and during peak electricity, the battery discharges through the first direct current-direct current conversion module to maintain the bus voltage, and the bus voltage supplies power to the street lamp through the second direct current-direct current conversion module.
Further, the power factor correction device further comprises a rectifying module, wherein the input end of the rectifying module is connected with alternating current, and the input end of the power factor correction module is connected with the output end of the rectifying module in parallel.
Further, the rectification module comprises a first diode, a second diode, a third diode and a fourth diode, wherein the cathode of the first diode is connected with the cathode of the second diode, the anode of the second diode is connected with the cathode of the fourth diode, the anode of the fourth diode is connected with the anode of the third diode, the cathode of the third diode is connected with the anode of the first diode, the first end of alternating current is connected with the anode of the first diode, the second end of alternating current is connected with the anode of the second diode, and the input end of the power factor correction module is connected with the cathode of the second diode and the anode of the third diode in parallel.
Further, the power factor correction module comprises a first capacitor, one end of which is connected with the cathode of the second diode, the other end is connected with the anode of the third diode,
A first transformer, a first end of a primary winding of which is connected with the cathode of the second diode, a second end of a secondary winding of which is connected with the secondary ground,
A first switching tube, a first end of which is connected with a second end of the primary winding of the first transformer,
A first resistor, one end of which is connected with the second end of the first switch tube, the other end is connected with the ground end of the primary side,
A second end of the second switch tube is connected with a first end of the secondary winding of the first transformer,
And the first end of the second capacitor is connected with the first end of the second switching tube, the second end of the second capacitor is connected with the second end of the secondary winding of the first transformer, and the two ends of the second capacitor are connected with the input end of the first direct current-direct current conversion module.
Further, the first DC-DC conversion module comprises a third capacitor connected in parallel with the second capacitor,
A third switch tube, the first end of which is connected with the first end of the third capacitor,
A fourth switching tube, the first end of which is connected with the second end of the third switching tube, the second end of which is connected with the second end of the third capacitor and the cathode of the battery,
A first inductor, a first end of which is connected with the first end of the fourth switch tube, a second end of which is connected with the positive electrode of the battery,
And the first end of the fourth capacitor is connected with the second end of the first inductor, and the second end of the fourth capacitor is connected with the second end of the fourth switching tube.
Further, the second DC-DC conversion module comprises a fifth capacitor, a first end of the fifth capacitor is connected with the first end of the second switch tube, a second end of the fifth capacitor is connected with the secondary side ground end,
A second inductor, a first end of which is connected with a first end of the fifth capacitor,
A fifth switch tube, the first end of which is connected with the second end of the second inductor, the second end of which is connected with the second end of the fifth capacitor,
A fifth diode, the anode of which is connected with the first end of the fifth switch tube, the cathode of which is connected with the first end of the street lamp,
A sixth capacitor, a first end of which is connected with the cathode of the fifth diode, a second end of which is connected with the second end of the fifth switching tube,
And one end of the second resistor is connected with the second end of the sixth capacitor, and the other end of the second resistor is connected with the second end of the street lamp.
Further, the switching device also comprises a digital controller, wherein the digital controller outputs control signals for controlling the first switching tube, the second switching tube, the third switching tube, the fourth switching tube and the fifth switching tube.
Further, the solar energy street lamp further comprises a solar cell panel, wherein the solar cell panel is connected to the input end of the first direct current-direct current conversion module and is used for charging the battery or supplying power for the street lamp.
Further, the solar cell module further comprises a control switch, and the input end of the control switch is connected with the output end of the solar cell panel or the power factor correction module.
Further, when the input end of the first direct current-direct current conversion module is connected with the solar panel, the solar panel charges the battery through the first direct current-direct current conversion module.
Further, the digital controller outputs a control signal to control the control switch.
Further, the digital controller monitors the voltage at both ends of the street lamp.
In the technical scheme, the second direct current-direct current conversion module is connected with a single battery, so that the whole battery pack is formed, the voltage with the value of the bus voltage is displayed outside, the voltage is equivalent to that of a plurality of batteries connected in series, the external current is reduced under the same power condition, and the problem of high current and low voltage when the single battery is applied to a street lamp is solved.
In conclusion, the circuit applied to the street lamp has the advantages of simplifying the structure, improving the reliability of the circuit structure, prolonging the whole service life of the street lamp and saving energy.
Drawings
Fig. 1 shows a block diagram of the structure of the present utility model.
Fig. 2 shows a first embodiment of the present utility model.
Fig. 3 shows a second embodiment of the present utility model.
Fig. 4 shows a third embodiment of the present utility model.
Fig. 5 shows a fourth embodiment of the present utility model.
The attached drawings are used for identifying and describing:
11. 21, 31, 41, 51-rectifying module, 12, 22, 32, 42, 52-power factor correction module, 13, 23, 33, 43, 53-first DC-DC conversion module, 14, 24, 34, 44, 54-second DC-DC conversion module, 45, 55-control switch, 56-digital controller.
Detailed Description
The technical scheme of the present utility model will be clearly and completely described in the following with reference to the accompanying drawings of the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without creative efforts, based on the described embodiments of the present utility model fall within the protection scope of the present utility model.
Fig. 1 is a block diagram of a circuit applied to a street lamp according to the present utility model, including a rectifying module 11, a power factor correcting module 12, a first dc-dc converting module 13 and a second dc-dc converting module 14, where an AC is rectified by the rectifying module 11 to obtain a dc, an input end of the power factor correcting module 12 is connected in parallel with an output end of the rectifying module 11, an output end of the power factor correcting module 12 outputs a bus voltage V bus, an input end of the first dc-dc converting module 13 is connected in parallel with an output end of the power factor correcting module 12, an output end of the first dc-dc converting module 13 is connected in parallel with a battery BT, an input end of the second dc-dc converting module 14 is connected in parallel with an output end of the power factor correcting module 12, and an output end of the second dc-dc converting module 14 is connected in parallel with a street lamp LED.
Further, the first DC-DC conversion module 13 is a bidirectional DC-DC (DC-DC) converter.
Further, during the valley power, the alternating current AC is converted into a direct current voltage by the rectifying module 11 and then passes through the power factor correction module 12 to generate the bus voltage V bus, the bus voltage V bus charges the battery BT only by the first direct current-direct current converting module 13, or the bus voltage V bus charges the battery BT by the first direct current-direct current converting module 13 and simultaneously supplies the power to the street lamp LED by the second direct current-direct current converting module 14, or the bus voltage V bus only supplies the power to the street lamp LED by the second direct current-direct current converting module 14, and during the peak power, the battery BT discharges to maintain the bus voltage V bus by the first direct current-direct current converting module 13 and the bus voltage V bus supplies the power to the street lamp LED by the second direct current-direct current converting module 14, thereby realizing the function of saving electric energy.
Alternatively, whether or not to turn on the street lamp LEDs may be selected as desired by the second dc-dc conversion module 14. For example, in the valley power, the alternating current AC is converted into a direct current voltage by the rectifying module 11, and then the direct current voltage V bus is generated by the power factor correction module 12, and the second direct current-direct current converting module 14 supplies power to the road lamp
Fig. 2 is a schematic diagram of a circuit for a street lamp according to an embodiment of the present utility model, including a rectifying module 21, a power factor correction module 22, a first dc-dc conversion module 23, and a second dc-dc conversion module 24, where an AC is rectified by the rectifying module 21 to obtain a dc, an input end of the power factor correction module 22 is connected in parallel with an output end of the rectifying module 21, an output end of the power factor correction module 22 outputs a bus voltage V bus, an input end of the first dc-dc conversion module 23 is connected in parallel with an output end of the power factor correction module 22, an output end of the first dc-dc conversion module 23 is connected in parallel with a battery BT, an input end of the second dc-dc conversion module 24 is connected in parallel with an output end of the power factor correction module 22, and an output end of the second dc-dc conversion module 24 is connected in parallel with a street lamp LED.
More specifically, the rectifying module 21 is a rectifying bridge, and includes a diode D 1, a diode D 2, a diode D 3, and a diode D 4, wherein a cathode of the diode D 1 is connected to a cathode of the diode D 2, an anode of the diode D 2 is connected to a cathode of the diode D 4, an anode of the diode D 4 is connected to an anode of the diode D 3, a cathode of the diode D 3 is connected to an anode of the diode D 1, a first end of the alternating current AC is connected to an anode of the diode D 1, a second end of the alternating current AC is connected to an anode of the diode D 2, and an input end of the power factor correction module 22 is connected in parallel to a cathode of the diode D 2 and an anode of the diode D 3.
The power factor correction module 22 is a flyback conversion topology structure, but the utility model is not limited thereto, and other topologies with dc-dc conversion function can be used, including a capacitor C 1, a capacitor C 2, a switching tube Q 1, a switching tube Q 2, The capacitor comprises a resistor R 1 and a transformer T 1, one end of a capacitor C 1 is connected with the cathode of a diode D 2, the other end of the capacitor C 1 is connected with the anode of a diode D 3, the first end of a primary winding of the transformer T 1 is connected with the cathode of the diode D 2, the second end of the primary winding of the transformer T 1 is connected with the drain of a switching tube Q 1, one end of the resistor R 1 is connected with the source of the switching tube Q 1, the other end of the resistor R 1 is connected with a ground end PGND, the first end of a secondary winding of the transformer T 1 is connected with the source of the switching tube Q 2, the first end of the capacitor C 2 is connected with the drain of the switching tube Q 2, the second end of a secondary winding of the transformer T 1 is connected with a ground end SGND, and the second end of the secondary winding of the transformer T 1 is connected with the first end of the DC-DC input module 23.
Further, the switching tube Q 1 is controlled with constant on-time (COT).
Optionally, the capacitor C 2 includes a plurality of capacitors connected in parallel.
Optionally, the switching tube Q 1 and the switching tube Q 2 are N-channel MOSFETs.
The first dc-dc conversion module 23 is a bidirectional BUCK-BOOST topology, but the utility model is not limited thereto, and other topologies with bidirectional dc-dc conversion function can be used, including a capacitor C 3, a capacitor C 4, a switching tube Q 3, a capacitor C, The capacitor comprises a switch tube Q 4 and an inductor L 1, wherein the capacitor C 3 is connected with the capacitor C 2 in parallel, the drain electrode of the switch tube Q 3 is connected with the first end of the capacitor C 3, the source electrode of the switch tube Q 3 is connected with the drain electrode of the switch tube Q 4, the source electrode of the switch tube Q 4 is connected with the second end of the capacitor C 3, the first end of the inductor L 1 is connected with the drain electrode of the switch tube Q 4, the first end of the capacitor C 4 is connected with the second end of the inductor L 1, the second end of the capacitor C 4 is connected with the source electrode of the switch tube Q 4, the positive electrode of the battery BT is connected with the second end of the inductor L 1, and the negative electrode of the battery BT is connected with the source electrode of the switch tube Q 4.
Optionally, the switching tube Q 3 and the switching tube Q 4 are N-channel MOSFETs.
The second dc-dc conversion module 24 is a BOOST topology, but the utility model is not limited thereto, and other topologies with dc-dc conversion function can be used, including a capacitor C 5, a capacitor C 6, an inductor L 2, A switching tube Q 5, Diode D 5 and resistance R 2, the first end of electric capacity C 5 is connected the drain electrode of switch tube Q 2, the second end of electric capacity C 5 is connected secondary ground end SGND, the first end of inductance L 2 is connected the first end of electric capacity C 5, the second end of inductance L 2 is connected the drain electrode of switch tube Q 5, the source electrode of switch tube Q 5 is connected the second end of electric capacity C 5, the positive pole of diode D 5 is connected the drain electrode of switch tube Q 5, the first end of electric capacity C 6 is connected the negative pole of diode D 5, the second end of electric capacity C 6 is connected the source electrode of switch tube Q 5, the one end of resistance R 2 is connected the second end of electric capacity C 6, the other end of resistance R 2 is connected the negative pole of street lamp LED, the positive pole of LED is connected the negative pole of diode D 5.
Further, the switching tube Q 5 adopts constant current control.
Optionally, the switching tube Q 5 is an N-channel MOSFET.
According to the utility model, the first direct current-direct current conversion module 23 is connected with a single lithium battery, namely the battery BT, so that the battery BT is integrally formed into a battery pack, the voltage with the value of the bus voltage V bus is externally displayed, which is equivalent to the series connection of a plurality of batteries, and the external current is reduced under the same power condition, thereby relieving the problem of high current and low voltage when the single battery is applied to the street lamp LED.
Optionally, the bus voltage V bus is 12V.
Fig. 3 is a schematic diagram of another embodiment of the present utility model, which is different from the embodiment shown in fig. 2, more specifically includes a digital controller 36, where the digital controller 36 outputs a switch control signal P Q1,PQ2,PQ3,PQ4,PQ5, and the switch control signals P Q1,PQ2,PQ3,PQ4,PQ5 control the switches Q 1/Q2/Q3/Q4/Q5 respectively.
Fig. 4 is a schematic circuit diagram of another embodiment of a circuit applied to a street lamp according to the present utility model. In this embodiment, the solar panel PV and the control switch 45 are further included, and the control switch 45 controls the first dc-dc conversion module 43 to be connected to the solar panel PV or the pfc module 42, wherein the second end of the solar panel PV is connected to the ground SGND. The structure and the working principle of each module in fig. 4 are the same as those in fig. 2, and are not repeated here.
When the illumination is sufficient, the control switch 45 controls the first direct current-direct current conversion module 43 to be connected with the solar panel PV, the switches in the power factor correction module 42 and the second direct current-direct current conversion module 44 stop working, the street lamp LEDs do not emit light, the switches in the first direct current-direct current conversion module 43 work, in the embodiment, the first direct current-direct current conversion module 43 is of a bidirectional BUCK-BOOST topological structure, the switch Q 3 and the switch Q 4 are conducted in a complementary mode, the duty ratio of the switch Q 3 and the switch Q 4 is adjusted, voltage or current can be adjusted, the solar panel PV is powered by the battery BT through the first direct current-direct current conversion module 43, and the battery BT stores electric energy emitted by the solar panel PV and is used for driving the street lamp LEDs at night so as to further save electric energy. When the illumination is insufficient, the control switch 45 controls the first direct current-direct current conversion module 43 to be connected with the power factor correction module 42, the battery BT supplies power to the street lamp LED through the first direct current-direct current conversion module 43 and the second direct current-direct current conversion module 44, the voltage at two ends of the switch work holding capacitor C 3 in the first direct current-direct current conversion module 43 is stable, the switch Q 5 in the second direct current-direct current conversion module 44 is conducted or turned off at high frequency to regulate the current in the street lamp LED, when the electric energy in the battery BT is insufficient, the alternating current AC firstly obtains the direct current voltage through the rectification module 41 and then obtains the bus voltage V bus through the power factor correction module 42, the bus voltage V bus supplies power to the street lamp LED in a supplementing mode through the second direct current-direct current conversion module 44, when the valley is generated, the alternating current AC firstly obtains the direct current voltage through the rectification module 41 and then obtains the bus voltage V bus through the power factor correction module 42, and the bus voltage V bus charges the battery through the second direct current-direct current conversion module 44.
Fig. 5 is a schematic diagram of another embodiment of the present utility model, which is different from the embodiment shown in fig. 4, more specifically includes a digital controller 56, where the digital controller 56 outputs a switch control signal P Q1,PQ2,PQ3,PQ4,PQ5,P55, and the switch control signal P Q1,PQ2,PQ3,PQ4,PQ5,P55 controls the switches Q 1/Q2/Q3/Q4/Q5/55 respectively. In addition, the digital controller 56 monitors the voltage across the street lamp LED, and when the voltage is unstable, the switch 55 is powered by the battery BT, avoiding affecting the life of the street lamp LED. In addition, the digital controller 56 can perform charging and discharging according to local peak-to-valley electricity time or time required by itself, and the time of switching the LED of the street lamp can be adjusted according to the requirement during charging and discharging.
It should be understood that the foregoing detailed description of the present utility model is provided for illustration only and not for limitation, and it should be understood by those skilled in the art that the present utility model may be modified or substituted for the same technical effects and is within the scope of the utility model as long as the usage requirement is satisfied.
Claims (14)
1. A circuit applied to a street lamp is characterized by comprising,
A power factor correction module that outputs a bus voltage;
the input end of the first direct current-direct current conversion module is connected with the output end of the power factor correction module in parallel, and the output end of the first direct current-direct current conversion module is connected with a battery in parallel;
and the input end of the second direct current-direct current conversion module is connected with the output end of the power factor correction module in parallel, and the output end of the second direct current-direct current conversion module is connected with the street lamp in parallel.
2. A circuit for a street lamp as set forth in claim 1, wherein the bus voltage is generated by the PFC module during a valley, and wherein the bus voltage charges the battery via the first DC-DC conversion module, or wherein the bus voltage charges the battery via the first DC-DC conversion module while simultaneously supplying power to the street lamp via the second DC-DC conversion module, or wherein the bus voltage supplies power to the street lamp via the second DC-DC conversion module, and wherein the battery maintains the bus voltage via the first DC-DC conversion module during a peak discharge and wherein the bus voltage supplies power to the street lamp via the second DC-DC conversion module.
3. The circuit for a street lamp as set forth in claim 2, further comprising a rectifying module, wherein an input terminal of the rectifying module is connected to the alternating current, and an input terminal of the power factor correction module is connected in parallel with an output terminal of the rectifying module.
4. A circuit for a street lamp as set forth in claim 3, wherein the rectifier module comprises a first diode, a second diode, a third diode and a fourth diode, wherein the cathode of the first diode is connected with the cathode of the second diode, the anode of the second diode is connected with the cathode of the fourth diode, the anode of the fourth diode is connected with the anode of the third diode, the cathode of the third diode is connected with the anode of the first diode, the first end of the alternating current is connected with the anode of the first diode, the second end of the alternating current is connected with the anode of the second diode, and the input end of the power factor correction module is connected in parallel with the cathode of the second diode and the anode of the third diode.
5. The circuit for a street lamp as set forth in claim 4, wherein the PFC module comprises a first capacitor having one end connected to the cathode of the second diode and the other end connected to the anode of the third diode,
A first transformer, a first end of a primary winding of which is connected with the cathode of the second diode, a second end of a secondary winding of which is connected with the secondary ground,
A first switching tube, a first end of which is connected with a second end of the primary winding of the first transformer,
A first resistor, one end of which is connected with the second end of the first switch tube, the other end is connected with the ground end of the primary side,
A second end of the second switch tube is connected with a first end of the secondary winding of the first transformer,
And the first end of the second capacitor is connected with the first end of the second switching tube, the second end of the second capacitor is connected with the second end of the secondary winding of the first transformer, and the two ends of the second capacitor are connected with the input end of the first direct current-direct current conversion module.
6. The circuit for a street lamp as set forth in claim 5, wherein the first DC-DC conversion module comprises a third capacitor connected in parallel with the second capacitor,
A third switch tube, the first end of which is connected with the first end of the third capacitor,
A fourth switching tube, the first end of which is connected with the second end of the third switching tube, the second end of which is connected with the second end of the third capacitor and the cathode of the battery,
A first inductor, a first end of which is connected with the first end of the fourth switch tube, a second end of which is connected with the positive electrode of the battery,
And the first end of the fourth capacitor is connected with the second end of the first inductor, and the second end of the fourth capacitor is connected with the second end of the fourth switching tube.
7. The circuit for a street lamp as set forth in claim 6, wherein the second DC-DC conversion module comprises a fifth capacitor having a first terminal connected to the first terminal of the second switching tube and a second terminal connected to the secondary ground terminal,
A second inductor, a first end of which is connected with a first end of the fifth capacitor,
A fifth switch tube, the first end of which is connected with the second end of the second inductor, the second end of which is connected with the second end of the fifth capacitor,
A fifth diode, the anode of which is connected with the first end of the fifth switch tube, the cathode of which is connected with the first end of the street lamp,
A sixth capacitor, a first end of which is connected with the cathode of the fifth diode, a second end of which is connected with the second end of the fifth switching tube,
And one end of the second resistor is connected with the second end of the sixth capacitor, and the other end of the second resistor is connected with the second end of the street lamp.
8. The circuit for a street lamp as set forth in claim 7, further comprising a digital controller outputting control signals for controlling the first switching tube, the second switching tube, the third switching tube, the fourth switching tube and the fifth switching tube.
9. The circuit of claim 8, wherein the digital controller monitors the voltage across the street lamp.
10. A circuit for a street lamp as set forth in any one of claims 1 to 7, further comprising a solar panel connected to the input of the first DC-DC conversion module for charging the battery or powering the street lamp.
11. The circuit of claim 10, further comprising a control switch controlling an input terminal of the first DC-DC conversion module to be connected to an output terminal of the solar panel or the PFC module.
12. The circuit for a street lamp as set forth in claim 11, wherein the solar panel charges the battery via the first DC-DC conversion module when the input of the first DC-DC conversion module is connected to the solar panel.
13. The circuit of claim 12, further comprising a digital controller outputting control signals for controlling the first switching tube, the second switching tube, the third switching tube, the fourth switching tube, the fifth switching tube and the control switch.
14. The circuit of claim 13, wherein the digital controller monitors the voltage across the street lamp.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420106407.1U CN222169329U (en) | 2024-01-16 | 2024-01-16 | Circuit applied to street lamp |
| PCT/CN2024/140031 WO2025152687A1 (en) | 2024-01-16 | 2024-12-17 | Circuit used for streetlamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420106407.1U CN222169329U (en) | 2024-01-16 | 2024-01-16 | Circuit applied to street lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222169329U true CN222169329U (en) | 2024-12-13 |
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ID=93772738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420106407.1U Active CN222169329U (en) | 2024-01-16 | 2024-01-16 | Circuit applied to street lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222169329U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025152687A1 (en) * | 2024-01-16 | 2025-07-24 | 杭州华普永明光电股份有限公司 | Circuit used for streetlamp |
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2024
- 2024-01-16 CN CN202420106407.1U patent/CN222169329U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025152687A1 (en) * | 2024-01-16 | 2025-07-24 | 杭州华普永明光电股份有限公司 | Circuit used for streetlamp |
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