CN203645390U - Charging and discharging circuit used for intelligent photovoltaic LED street lamp - Google Patents
Charging and discharging circuit used for intelligent photovoltaic LED street lamp Download PDFInfo
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- CN203645390U CN203645390U CN201420010205.3U CN201420010205U CN203645390U CN 203645390 U CN203645390 U CN 203645390U CN 201420010205 U CN201420010205 U CN 201420010205U CN 203645390 U CN203645390 U CN 203645390U
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Abstract
The utility model relates to a charging and discharging circuit used for an intelligent photovoltaic LED street lamp. The circuit comprises a Boost circuit and a Buck-Boost current dual quadrant circuit. The Boost circuit is formed by an inductor L1, a MOS pipe V1, a diode D1 and a capacitor C1. The Buck-Boost current dual quadrant circuit is formed by a MOS pipe V2, a MOS pipe V3, a diode D2, a diode D3, an inductor L2, a capacitor C2, a storage battery E, a MOS pipe V4 and a capacitor C3. According to the circuit, by using the Boost circuit, a solar energy maximum power point tracking function is realized; a solar energy utilization rate is increased and cost used for solar cell panel is reduced; by using the Buck-Boost current dual quadrant circuit, a three-stage charging function of the storage battery and a constant current driving function of the LED street lamp are realized; high-efficiency, rapid, safe and accurate charging can be performed and the service life of the storage battery is prolonged. Simultaneously, constant current and stable working of the LED street lamp can be achieved, which is safe and environmental-protection, and the service life is prolonged. Increased of a solar energy utilization rate and rapid charging of the storage battery can further prolong working time of the LED street lamp and people needs can be satisfied.
Description
Technical field
the utility model relates to LED street lamp technical field, especially a kind of Intelligent photovoltaic LED street lamp charge-discharge circuit.
Background technology
worldwide energy crisis and environmental pollution have become the puzzlement mankind's large problem, and green, the regenerative resource of seeking alternative traditional energy are regarded as the target that modern humans makes joint efforts.Solar energy power generating is clean with it, free of contamination advantage is by increasingly extensive use.LED be called as the 4th generation lighting source, rely on the features such as its energy-saving and environmental protection, life-span are long, and volume is little, and the response time is short, be widely used in the fields such as various instructions, demonstration, illumination.By solar energy and LED, in conjunction with the solar LED street lamp system obtaining, environmental protection, has wide market and good development prospect.
but, the photovoltaic LED road lamp system that some are traditional, photovoltaic cell, LED are directly connected with storage battery, exist following not enough: first aspect, can not realize MPPT maximum power point tracking function, make the utilance of solar panel lower, need to increase cell panel quantity and meet LED street lighting duration, thereby increase cost; Second aspect, lacks the charging control circuit of storage battery, can not realize three stage of storage battery charge function, makes the charge in batteries time longer, and affects capacity and the life-span of battery; The third aspect, because storage battery is giving when LED street lamp power supply, road lamp power supply, cell voltage reduces gradually, causes also changing by the operating current of LED street lamp, and LED can not steady operation, has shortened street lamp useful life.
Utility model content
in order to solve the deficiencies in the prior art, the utility model provides a kind of Intelligent photovoltaic LED street lamp charge-discharge circuit, and this circuit solar energy utilization ratio is high, charge fast and safely, and LED street lamp constant current working stability.
the utility model solves the technical scheme that its technical problem adopts: a kind of Intelligent photovoltaic LED street lamp charge-discharge circuit, this circuit comprises that Boost(boosts) circuit and Buck-Boost(buck) electric current dual quadrant circuit.
described Boost circuit is made up of inductance L 1, metal-oxide-semiconductor V1, diode D1, capacitor C 1, inductance L 1 one end and solar panel anodic bonding, the drain electrode of inductance L 1 other end, metal-oxide-semiconductor V1 connects the anode with diode D1 simultaneously, the negative electrode of diode D1 connects the anode of capacitor C 1, and the source electrode of metal-oxide-semiconductor V1, the negative electrode of capacitor C 1 are connected in the negative electrode by solar panel simultaneously; Described Boost circuit is used for realizing solar maximum power point following function.
metal-oxide-semiconductor V1 in described Boost circuit selects the PM800HSA060 IPM module of Mitsubishi, and rated voltage is 600V, and rated current is 800A; Diode D1 selects the fast recovery diode of model MEO500-06DA, and rated voltage is 600V, and rated current is 500A; Inductance L 1 is selected 2uH straight cutting inductance; Capacitor C 1 is selected 50V/12000uF NCC electrochemical capacitor.
described Buck-Boost electric current dual quadrant circuit is by metal-oxide-semiconductor V2, metal-oxide-semiconductor V3, diode D2, diode D3, inductance L 2, capacitor C 2, storage battery E, metal-oxide-semiconductor V4, capacitor C 3 forms, the drain D of metal-oxide-semiconductor V2, the drain D of metal-oxide-semiconductor V4, the negative electrode of diode D2 is connected in the anode output of Boost circuit jointly, the source S of metal-oxide-semiconductor V2, the drain D of metal-oxide-semiconductor V3, diode D2 anode, diode D3 negative electrode is connected in one end of inductance L 2 jointly, the other end of inductance L 2, the anode of filter capacitor C2 is connected in the anode of storage battery E simultaneously, the source S of metal-oxide-semiconductor V4, the anode of filter capacitor C3 is connected in the anode of LED street lamp jointly, the source S of metal-oxide-semiconductor V3, the anode of diode D3, the negative electrode of filter capacitor C2, the negative electrode of storage battery E, the negative electrode of filter capacitor C3, the negative electrode of LED street lamp is connected in the negative electrode output of Boost circuit jointly, described Buck-Boost electric current dual quadrant circuit is used for realizing three stage charge functions of storage battery and the constant current of LED street lamp drives function.
metal-oxide-semiconductor V2, metal-oxide-semiconductor V3 in described Buck-Boost electric current dual quadrant circuit, the PM800HSA060 IPM module that metal-oxide-semiconductor V4 chooses Mitsubishi equally, rated voltage is 600V, rated current is 800A; Inductance L 2 is chosen the inductance of 10uH; Capacitor C 2 is chosen 4700uF/25V electrochemical capacitor; Storage battery E selects model FM12V17 valve controlled lead-acid storage battery without maintenance, rated voltage 17V, rated capacity 17AH; Capacitor C 3 is chosen 4700uF/50V electrochemical capacitor.
in the time that illumination is sufficient, control metal-oxide-semiconductor V4 and turn-off, forbid that storage battery E discharges to LED street lamp; Form Boost booster circuit 1 by inductance L 1, metal-oxide-semiconductor V1, diode D1, filter capacitor C1, solar panel output voltage is raise, solar panel is implemented to MPPT maximum power point tracking MPPT simultaneously and control; Controlling metal-oxide-semiconductor V3 turn-offs, form Buck reduction voltage circuit 21 by metal-oxide-semiconductor V2, diode D3, inductance L 2, filter capacitor C2, Boost circuit 1 output voltage step-down accumulators E charging above, carries out the driving of PWM mode to metal-oxide-semiconductor V2, and storage battery E is implemented to three phase charge controls.
in the time that illumination is not enough, control metal-oxide-semiconductor V4 conducting, allow storage battery E to discharge to LED street lamp, controlling metal-oxide-semiconductor V1, metal-oxide-semiconductor V2 turn-offs, now the output voltage of solar panel is lower, lower than storage battery E voltage, due to the existence of diode D1, make electric current can not pour in down a chimney back solar panel, now, form Boost circuit 22 by inductance L 2, metal-oxide-semiconductor V3, diode D2, filter capacitor C3, metal-oxide-semiconductor V3 is carried out to the driving of PWM mode, and storage battery E is implemented to constant-current discharge control, give LED street lamp power supply, road lamp power supply, LED street lamp constant current steady operation.
the beneficial effects of the utility model are, utilize Boost circuit to realize solar maximum power point following function, have improved solar energy utilization ratio, have reduced the expense being used on solar panel; Utilize Buck-Boost electric current dual quadrant circuit to realize three stage charge functions of storage battery and the constant current of LED street lamp driving function, can be efficiently, fast, safety, charging accurately, increasing storage battery service life, the steady operation of LED street lamp constant current simultaneously, both safety and environmental protection, has extended again useful life; The raising of solar energy utilization ratio and the quick charge of storage battery all make the work duration of LED street lamp further lengthen, and meet people's needs.
Brief description of the drawings
below in conjunction with drawings and Examples, the utility model is described in further detail.
fig. 1 is the structure chart of a kind of Intelligent photovoltaic LED of the utility model street lamp charge-discharge circuit;
fig. 2 is the operation mode figure of three stages when charge function that a kind of Intelligent photovoltaic LED of the utility model street lamp Buck-Boost electric current dual quadrant circuit in charge-discharge circuit is realized storage battery E, and metal-oxide-semiconductor V2, inductance L 2, diode D3, filter capacitor C2 form Buck reduction voltage circuit 21;
fig. 3 is that a kind of Intelligent photovoltaic LED of the utility model street lamp Buck-Boost electric current dual quadrant circuit in charge-discharge circuit is realized the constant current of LED street lamp and driven operation mode figure when function, forms Boost circuit 22 by metal-oxide-semiconductor V3, inductance L 2, diode D2, filter capacitor C3.
Embodiment
in Fig. 1, a kind of Intelligent photovoltaic LED street lamp charge-discharge circuit, this circuit comprises that Boost(boosts) circuit and Buck-Boost(buck) electric current dual quadrant circuit.
described Boost circuit is made up of inductance L 1, metal-oxide-semiconductor V1, diode D1, capacitor C 1, inductance L 1 one end and solar panel anodic bonding, the drain electrode of inductance L 1 other end, metal-oxide-semiconductor V1 connects the anode with diode D1 simultaneously, the negative electrode of diode D1 connects the anode of capacitor C 1, and the source electrode of metal-oxide-semiconductor V1, the negative electrode of capacitor C 1 are connected in the negative electrode by solar panel simultaneously; Described Boost circuit is used for realizing solar maximum power point following function.
metal-oxide-semiconductor V1 in described Boost circuit selects the PM800HSA060 IPM module of Mitsubishi, and rated voltage is 600V, and rated current is 800A; Diode D1 selects the fast recovery diode of model MEO500-06DA, and rated voltage is 600V, and rated current is 500A; Inductance L 1 is selected 2uH straight cutting inductance; Capacitor C 1 is selected 50V/12000uF NCC electrochemical capacitor.
described Buck-Boost electric current dual quadrant circuit is by metal-oxide-semiconductor V2, metal-oxide-semiconductor V3, diode D2, diode D3, inductance L 2, capacitor C 2, storage battery E, metal-oxide-semiconductor V4, capacitor C 3 forms, the drain D of metal-oxide-semiconductor V2, the drain D of metal-oxide-semiconductor V4, the negative electrode of diode D2 is connected in the anode output of Boost circuit jointly, the source S of metal-oxide-semiconductor V2, the drain D of metal-oxide-semiconductor V3, diode D2 anode, diode D3 negative electrode is connected in one end of inductance L 2 jointly, the other end of inductance L 2, the anode of filter capacitor C2 is connected in the anode of storage battery E simultaneously, the source S of metal-oxide-semiconductor V4, the anode of filter capacitor C3 is connected in the anode of LED street lamp jointly, the source S of metal-oxide-semiconductor V3, the anode of diode D3, the negative electrode of filter capacitor C2, the negative electrode of storage battery E, the negative electrode of filter capacitor C3, the negative electrode of LED street lamp is connected in the negative electrode output of Boost circuit jointly, described Buck-Boost electric current dual quadrant circuit is used for realizing three stage charge functions of storage battery and the constant current of LED street lamp drives function.
metal-oxide-semiconductor V2, metal-oxide-semiconductor V3 in described Buck-Boost electric current dual quadrant circuit, the PM800HSA060 IPM module that metal-oxide-semiconductor V4 chooses Mitsubishi equally, rated voltage is 600V, rated current is 800A; Inductance L 2 is chosen the inductance of 10uH; Capacitor C 2 is chosen 4700uF/25V electrochemical capacitor; Storage battery E selects model FM12V17 valve controlled lead-acid storage battery without maintenance, rated voltage 17V, rated capacity 17AH; Capacitor C 3 is chosen 4700uF/50V electrochemical capacitor.
in Fig. 2, in the time that illumination is sufficient, controls metal-oxide-semiconductor V4 and turn-off, forbid that storage battery E discharges to LED street lamp; Form Boost booster circuit 1 by inductance L 1, metal-oxide-semiconductor V1, diode D1, filter capacitor C1, solar panel output voltage is raise, solar panel is implemented to MPPT maximum power point tracking MPPT simultaneously and control; Controlling metal-oxide-semiconductor V3 turn-offs, form Buck reduction voltage circuit 21 by metal-oxide-semiconductor V2, diode D3, inductance L 2, filter capacitor C2, Boost circuit 1 output voltage step-down accumulators E charging above, carries out the driving of PWM mode to metal-oxide-semiconductor V2, and storage battery E is implemented to three phase charge controls.
in Fig. 3, in the time that illumination is not enough, control metal-oxide-semiconductor V4 conducting, allow storage battery E to discharge to LED street lamp, controlling metal-oxide-semiconductor V1, metal-oxide-semiconductor V2 turn-offs, now the output voltage of solar panel is lower, lower than storage battery E voltage, due to the existence of diode D1, make electric current can not pour in down a chimney back solar panel, now, form Boost circuit 22 by inductance L 2, metal-oxide-semiconductor V3, diode D2, filter capacitor C3, metal-oxide-semiconductor V3 is carried out to the driving of PWM mode, and storage battery E is implemented to constant-current discharge control, give LED street lamp power supply, road lamp power supply, LED street lamp constant current steady operation.
Claims (2)
1.
a kind of Intelligent photovoltaic LED street lamp charge-discharge circuit, this circuit comprises that Boost(boosts) circuit and Buck-Boost(buck) electric current dual quadrant circuit, it is characterized in that, described Boost circuit is made up of inductance L 1, metal-oxide-semiconductor V1, diode D1, capacitor C 1, inductance L 1 one end and solar panel anodic bonding, the drain electrode of inductance L 1 other end, metal-oxide-semiconductor V1 connects the anode with diode D1 simultaneously, the negative electrode of diode D1 connects the anode of capacitor C 1, and the source electrode of metal-oxide-semiconductor V1, the negative electrode of capacitor C 1 are connected in the negative electrode by solar panel simultaneously, described Buck-Boost electric current dual quadrant circuit is by metal-oxide-semiconductor V2, metal-oxide-semiconductor V3, diode D2, diode D3, inductance L 2, capacitor C 2, storage battery E, metal-oxide-semiconductor V4, capacitor C 3 forms, the drain D of metal-oxide-semiconductor V2, the drain D of metal-oxide-semiconductor V4, the negative electrode of diode D2 is connected in the anode output of Boost circuit jointly, the source S of metal-oxide-semiconductor V2, the drain D of metal-oxide-semiconductor V3, diode D2 anode, diode D3 negative electrode is connected in one end of inductance L 2 jointly, the other end of inductance L 2, the anode of filter capacitor C2 is connected in the anode of storage battery E simultaneously, the source S of metal-oxide-semiconductor V4, the anode of filter capacitor C3 is connected in the anode of LED street lamp jointly, the source S of metal-oxide-semiconductor V3, the anode of diode D3, the negative electrode of filter capacitor C2, the negative electrode of storage battery E, the negative electrode of filter capacitor C3, the negative electrode of LED street lamp is connected in the negative electrode output of Boost circuit jointly.
2.
a kind of Intelligent photovoltaic LED street lamp charge-discharge circuit according to claim 1, is characterized in that, the metal-oxide-semiconductor V1 in described Boost circuit selects the PM800HSA060 IPM module of Mitsubishi, and rated voltage is 600V, and rated current is 800A; Diode D1 selects the fast recovery diode of model MEO500-06DA, and rated voltage is 600V, and rated current is 500A; Inductance L 1 is selected 2uH straight cutting inductance; Capacitor C 1 is selected 50V/12000uF NCC electrochemical capacitor; Metal-oxide-semiconductor V2, metal-oxide-semiconductor V3 in described Buck-Boost electric current dual quadrant circuit, the PM800HSA060 IPM module that metal-oxide-semiconductor V4 chooses Mitsubishi equally, rated voltage is 600V, rated current is 800A; Inductance L 2 is chosen the inductance of 10uH; Capacitor C 2 is chosen 4700uF/25V electrochemical capacitor; Storage battery E selects model FM12V17 valve controlled lead-acid storage battery without maintenance, rated voltage 17V, rated capacity 17AH; Capacitor C 3 is chosen 4700uF/50V electrochemical capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420010205.3U CN203645390U (en) | 2014-01-08 | 2014-01-08 | Charging and discharging circuit used for intelligent photovoltaic LED street lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420010205.3U CN203645390U (en) | 2014-01-08 | 2014-01-08 | Charging and discharging circuit used for intelligent photovoltaic LED street lamp |
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| CN203645390U true CN203645390U (en) | 2014-06-11 |
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| CN201420010205.3U Expired - Fee Related CN203645390U (en) | 2014-01-08 | 2014-01-08 | Charging and discharging circuit used for intelligent photovoltaic LED street lamp |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104349556A (en) * | 2014-11-04 | 2015-02-11 | 无锡曼克斯电子科技有限公司 | Control circuit for LED (Light-Emitting Diode) road lamp and management method |
| US9505307B2 (en) | 2014-06-12 | 2016-11-29 | Hollywood Trucks, LLC | Solar-thermal powered recreational vehicle |
| CN110379361A (en) * | 2019-07-25 | 2019-10-25 | 苏州市职业大学 | The color LED dot matrix screen of photovoltaic power supply |
-
2014
- 2014-01-08 CN CN201420010205.3U patent/CN203645390U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9505307B2 (en) | 2014-06-12 | 2016-11-29 | Hollywood Trucks, LLC | Solar-thermal powered recreational vehicle |
| US10081289B2 (en) | 2014-06-12 | 2018-09-25 | Hollywood Trucks, LLC | Solar-thermal powered recreational vehicle |
| CN104349556A (en) * | 2014-11-04 | 2015-02-11 | 无锡曼克斯电子科技有限公司 | Control circuit for LED (Light-Emitting Diode) road lamp and management method |
| CN110379361A (en) * | 2019-07-25 | 2019-10-25 | 苏州市职业大学 | The color LED dot matrix screen of photovoltaic power supply |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20150108 |
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| EXPY | Termination of patent right or utility model |