CN107401720A - One kind carries stand-by power supply solar LED street lamp - Google Patents

One kind carries stand-by power supply solar LED street lamp Download PDF

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Publication number
CN107401720A
CN107401720A CN201710478320.1A CN201710478320A CN107401720A CN 107401720 A CN107401720 A CN 107401720A CN 201710478320 A CN201710478320 A CN 201710478320A CN 107401720 A CN107401720 A CN 107401720A
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CN
China
Prior art keywords
poles
pin
resistance
power supply
triode
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710478320.1A
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Chinese (zh)
Inventor
梅霖
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhu Chunyuan Optoelectronic Equipment Technology Co Ltd
Original Assignee
Wuhu Chunyuan Optoelectronic Equipment Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhu Chunyuan Optoelectronic Equipment Technology Co Ltd filed Critical Wuhu Chunyuan Optoelectronic Equipment Technology Co Ltd
Priority to CN201710478320.1A priority Critical patent/CN107401720A/en
Publication of CN107401720A publication Critical patent/CN107401720A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00Lighting devices intended for fixed installation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S9/00Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
    • F21S9/02Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
    • F21S9/03Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator rechargeable by exposure to light
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00Arrangement of electric circuit elements in or on lighting devices
    • F21V23/003Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00Arrangement of electric circuit elements in or on lighting devices
    • F21V23/02Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30Driver circuits
    • H05B45/37Converter circuits
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21WINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10Outdoor lighting
    • F21W2131/103Outdoor lighting of streets or roads
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/10Light-emitting diodes [LED]
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/72Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

The invention discloses one kind to carry stand-by power supply solar LED street lamp, is related to street lighting technical field.The street lamp has a ultracapacitor group being connected with solar panel, with the step-down/up type DC/DC change-over circuits being connected, the charging circuit being connected with step-down/up type DC/DC change-over circuits, the lead-acid accumulator being connected with charging circuit, lead-acid accumulator is powered by LED drive circuit to LED street lamp, on this basis, present invention additionally comprises stand-by power supply, described stand-by power supply is connected with charging circuit electric signal, described stand-by power supply is connected to obtain with charging circuit also add voltage-stablizer on circuit, described voltage-stablizer is digital control voltage stabilizer, and transmit signals to distal end, above-mentioned design both ensure that overall practicality, voltage stabilizing during overall use is ensure that simultaneously, ensure the physical life of LED.

Description

One kind carries stand-by power supply solar LED street lamp
Technical field
The present invention relates to street lighting technical field, is specifically that one kind carries stand-by power supply solar LED street lamp.
Background technology
Traditional solar street light typically uses pregnant solution type lead acid accumulator separately as energy-storage travelling wave tube, and using simple Two-stage charge control mode;Using low-pressure sodium lamp or electricity-saving lamp etc. as illumination lamp source.It fact proved, traditional sun Energy streetlight illumination there is it is more the shortcomings that:(1) lamp source service life is shorter.Be present more shortcoming in traditional lighting lamp source, such as save Can lamp, general power is smaller, and service life about 2000 hours;And even if low-pressure sodium lamp light efficiency is higher, but because its work electricity Pressure it is still higher, if applied in solar power system, generally require inverter, this by improve system cost.(2) it is rich Liquid formula lead-acid accumulator premature failure.Because pregnant solution type lead acid accumulator design service life is shorter, charge and discharge cycles number is very Hardly possible adds the maintenance cost of system more than 2000 times.(3) dim light charging ability deficiency.The operating voltage one of lead-acid accumulator As be higher than a certain threshold value, such as the lead-acid accumulator that rated voltage is 12V, during its normal work, voltage is typically in 10.8- 14.7V ranges, and under low light condition, solar cell terminal voltage likely to be less than lead-acid accumulator voltage, at this moment too Energy after positive energy cell photoelectric conversion can not be exported to battery, but is directly internally absorbed as heat energy, and this is anti- Come over to make solar panels premature aging to fail, reduce solar cell service life;Conversely, when illumination is strong, solar energy Battery terminal voltage significantly rises to about 20V, the maximum charging voltage allowed higher than lead-acid accumulator, if directly stored to plumbic acid Battery is charged, it will damage lead-acid accumulator.
Ultracapacitor is a kind of energy storage device of novel high-power density, has many lead-acid accumulators incomparable Advantage, but higher in view of current super capacitor price, is used alone that ultracapacitor is larger as energy storage device cost and nothing Method meets system stored energy requirement, and battery, which is used alone, can not meet the requirement of larger pulsating power output, and battery makes It is shorter with the life-span.Therefore in reality in use, being used as the accumulator of system by the use of lead-acid accumulator and ultracapacitor mixing The respective advantage of part, combining super capacitor device high power density and the big energy density of lead-acid accumulator, it is technical according to both Complementarity, the novel energy-storing element based on ultracapacitor and lead-acid accumulator hybrid energy-storing is formed, utilizes ultracapacitor Good characteristic optimizes the charge and discharge process of lead-acid accumulator, it is possible to reduce charge and discharge cycles number, increasing storage battery service life, Improve energy storage efficiency.In addition, it is unstable due to solar energy, cause existing LED street lamp often to light unstable, because And it have impact on use.
The content of the invention
The shortcomings that in order to overcome above-mentioned prior art, the present invention provide one kind and carry stand-by power supply solar LED street lamp, have There are solar cell maximal power tracing (MPPT) and dim light charge function, energy storage efficiency is improved, for the temperature of lead-acid accumulator Characteristic is spent, using technique for temperature compensation, realizes the accurate control of charging voltage, and is ensured using stable.
The present invention is realized with following technical scheme:One kind carries stand-by power supply solar LED street lamp, including with the sun The ultracapacitor group of energy cell panel connection, with the step-down/up type DC/DC change-over circuits being connected, is changed with step-down/up type DC/DC The charging circuit of circuit connection, the lead-acid accumulator being connected with charging circuit, lead-acid accumulator is by LED drive circuit to LED Street lamp power supply, road lamp power supply, solar voltage is connected with turn with step-down/up type DC/DC change-over circuits in solar panel and lead-acid accumulator Sample circuit and DC/DC transducer drive circuits., in addition to stand-by power supply, described stand-by power supply and charging circuit electric signal Connection, described stand-by power supply is connected to obtain with charging circuit also add voltage-stablizer on circuit, described voltage-stablizer is numerical control Voltage-stablizer, and transmit signals to distal end.
The beneficial effects of the invention are as follows:Using ultracapacitor group and the structure of lead-acid accumulator hybrid energy-storing, solar energy The solar energy of array output is excellent using ultracapacitor group and step-down/up type DC/DC converters first through ultracapacitor group Change lead-acid accumulator charge and discharge process, realize the charging of battery under low light condition.On this basis, in addition to stand-by power supply, Described stand-by power supply is connected with charging circuit electric signal, and described stand-by power supply is connected to obtain on circuit with charging circuit also to be increased Voltage-stablizer is added, described voltage-stablizer is digital control voltage stabilizer, and transmits signals to distal end, and above-mentioned design both ensure that overall Practicality, while ensure that voltage stabilizing when entirety uses, it is ensured that the physical life of LED.
Brief description of the drawings
Below in conjunction with the accompanying drawings and embodiment the present invention will be further described.
Fig. 1 is principle of the invention block diagram.
Embodiment
A kind of as shown in figure 1, super electricity for thering is one to be connected with solar panel with stand-by power supply solar LED street lamp Container group, with the step-down/up type DC/DC change-over circuits being connected, the charging circuit being connected with step-down/up type DC/DC change-over circuits, with The lead-acid accumulator of charging circuit connection, lead-acid accumulator is powered by LED drive circuit to LED street lamp, in solar panel Solar voltage sample circuit and DC/DC converters are connected with turn with lead-acid accumulator and step-down/up type DC/DC change-over circuits Drive circuit.
In order to effectively utilize solar energy, system effectiveness and protection lead-acid accumulator are improved, using ultracapacitor group with rising Reduction voltage circuit is combined, and the larger input voltage of fluctuation range is converted into the acceptable burning voltage of battery.Its principle is too Positive energy battery exports energy again to be turned the voltage of fluctuating change through lifting voltage conversion circuit to ultracapacitor, ultracapacitor The stable voltage of output is changed to charge a battery.When intensity of illumination is relatively low, the output voltage of solar cell stores less than plumbic acid The voltage of battery, ultracapacitor again charge a battery voltage after step-down/up type DC/DC change-over circuits are boosted;When When illumination is strong, solar cell terminal voltage significantly rises to about 20V, the maximum charge electricity allowed higher than lead-acid accumulator Pressure, ultracapacitor again charge a battery voltage after step-down/up type DC/DC change-over circuits are depressured.So both can be with Ensure the steady charging of lead-acid accumulator, increase the service life, system availability can also be improved.Using more energy-conserving and environment-protective and Life-span longer LED lamp source replaces traditional lamp sources such as sodium vapor lamp, electricity-saving lamp, improves system effectiveness.
The beneficial effects of the invention are as follows:Using ultracapacitor group and the structure of lead-acid accumulator hybrid energy-storing, solar energy The solar energy of array output is excellent using ultracapacitor group and step-down/up type DC/DC converters first through ultracapacitor group Change lead-acid accumulator charge and discharge process, realize the charging of battery under low light condition.On this basis, in addition to stand-by power supply, Described stand-by power supply is connected with charging circuit electric signal, and described stand-by power supply is connected to obtain on circuit with charging circuit also to be increased Voltage-stablizer is added, described voltage-stablizer is digital control voltage stabilizer, and transmits signals to distal end, and above-mentioned design both ensure that overall Practicality, while ensure that voltage stabilizing when entirety uses, it is ensured that the physical life of LED.

Claims (2)

1. one kind carries stand-by power supply solar LED street lamp, it is characterised in that:Including the super electricity being connected with solar panel Container group, with the step-down/up type DC/DC change-over circuits being connected, the charging circuit being connected with step-down/up type DC/DC change-over circuits, with The lead-acid accumulator of charging circuit connection, lead-acid accumulator is powered by LED drive circuit to LED street lamp, in solar panel Solar voltage sample circuit and DC/DC converters are connected with turn with lead-acid accumulator and step-down/up type DC/DC change-over circuits Drive circuit;
Characterized in that, also including stand-by power supply, described stand-by power supply is connected with charging circuit electric signal, described standby electricity Source is connected to obtain with charging circuit also add voltage-stablizer on circuit, described voltage-stablizer is digital control voltage stabilizer, and signal is passed It is handed to distal end.
2. one kind according to claim 1 carries stand-by power supply solar LED street lamp, it is characterised in that:Described lifting Pressure type DC/DC change-over circuits are by electric capacity C1, C2, inductance L1, diode D2, D6, switching tube Q1, Q2 composition;Wherein electric capacity C1 connects Between switching tube Q1 c poles and ground, diode D2 negative poles connect switching tube Q1 e poles, plus earth, and inductance L1 is connected on switching tube Between Q1 e poles and diode D6 positive poles, switching tube Q2 c poles connect diode D6 positive poles, e poles ground connection, and electric capacity C2 is connected on two poles Between pipe D6 negative poles and ground;
Solar voltage sample circuit by single-chip microcomputer Mega16, photoelectrical coupler TLP521-1, triode Q3, Q4, electric capacity C4, C5, inductance L2, diode D7 and resistance R5, R6, R7, R8, R9, R10, R11 are formed;Wherein resistance R5 is connected on single-chip microcomputer Between Mega16 PA0 mouths and triode Q4 c poles, resistance R6 is connected between+5V and triode Q4 c poles, and resistance R7 is connected on+ Between 5V and triode Q4 b poles, triode Q3 c poles connect triode Q4 b poles, and triode Q3 e poles meet triode Q4 e Pole, resistance R8 is in parallel with electric capacity C4 to be followed by between triode Q3 b poles and e poles, and resistance R9 is connected on triode Q3 b poles and light Between electric coupler TLP521-1 3 pin, resistance R10 is connected between+5V and photoelectrical coupler TLP521-1 4 pin, diode D7 and electric capacity C5 are connected in parallel between photoelectrical coupler TLP521-1 1 pin and 2 pin, and inductance L3 and resistance R11 series connection are followed by light Between electric coupler TLP521-1 1 pin and solar panel positive pole, solar panel negative pole connects photoelectrical coupler TLP521-1 2 pin;
DC/DC transducer drive circuits are by power switch tube drives chip 2101, electric capacity C3, diode D3, D4, D5 and resistance
R1, R2, R3, R4 are formed;Wherein electric capacity C3 is connected between power switch tube drives chip I R2101 8 pin and 6 pin, resistance R1 is connected between power switch tube drives chip I R2101 2 pin and single-chip microcomputer Mega16 39 pin, and resistance R2 is connected on power and opened Close between pipe driving chip IR2101 3 pin and single-chip microcomputer Mega16 38 pin, diode D3 is in parallel with resistance R3 to be followed by work( Between rate switch pipe driving chip IR2101 7 pin and switching tube Q1 g poles, diode D4 is in parallel with resistance R4 to be followed by power Switch between pipe driving chip IR2101 5 pin and switching tube Q2 g poles, diode D5 is connected on power switch tube drives chip Between IR2101 1 pin and 8 pin.
CN201710478320.1A 2017-06-22 2017-06-22 One kind carries stand-by power supply solar LED street lamp Pending CN107401720A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710478320.1A CN107401720A (en) 2017-06-22 2017-06-22 One kind carries stand-by power supply solar LED street lamp

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Application Number Priority Date Filing Date Title
CN201710478320.1A CN107401720A (en) 2017-06-22 2017-06-22 One kind carries stand-by power supply solar LED street lamp

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108964081A (en) * 2018-05-31 2018-12-07 湖北工业大学 It is a kind of applied to stablize microgrid energy-storage system output circuit structure
CN109541355A (en) * 2018-12-12 2019-03-29 许昌学院 A kind of power quality monitoring system for intelligent power grid

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203363958U (en) * 2013-07-22 2013-12-25 徐州工业职业技术学院 Hybrid energy storage type solar LED street lamp
CN203850858U (en) * 2014-02-27 2014-09-24 山西新思备科技股份有限公司 Stand-by power source cell rapid and safe charging circuit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203363958U (en) * 2013-07-22 2013-12-25 徐州工业职业技术学院 Hybrid energy storage type solar LED street lamp
CN203850858U (en) * 2014-02-27 2014-09-24 山西新思备科技股份有限公司 Stand-by power source cell rapid and safe charging circuit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108964081A (en) * 2018-05-31 2018-12-07 湖北工业大学 It is a kind of applied to stablize microgrid energy-storage system output circuit structure
CN108964081B (en) * 2018-05-31 2022-01-04 湖北工业大学 Circuit structure applied to stabilizing output of micro-grid energy storage system
CN109541355A (en) * 2018-12-12 2019-03-29 许昌学院 A kind of power quality monitoring system for intelligent power grid

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Application publication date: 20171128