WO2013013452A1 - 充电电池和干电池合用型太阳能灯 - Google Patents

充电电池和干电池合用型太阳能灯 Download PDF

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Publication number
WO2013013452A1
WO2013013452A1 PCT/CN2011/081981 CN2011081981W WO2013013452A1 WO 2013013452 A1 WO2013013452 A1 WO 2013013452A1 CN 2011081981 W CN2011081981 W CN 2011081981W WO 2013013452 A1 WO2013013452 A1 WO 2013013452A1
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WO
WIPO (PCT)
Prior art keywords
battery
rechargeable battery
lamp
dry
dry battery
Prior art date
Application number
PCT/CN2011/081981
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English (en)
French (fr)
Inventor
陈志刚
Original Assignee
广州北方新能源技术有限公司
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Publication of WO2013013452A1 publication Critical patent/WO2013013452A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/08—Devices for easy attachment to any desired place, e.g. clip, clamp, magnet
    • F21V21/0824—Ground spikes
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • H05B45/38—Switched mode power supply [SMPS] using boost topology
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
    • F21S9/02—Lighting 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
    • F21S9/03—Lighting 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
    • F21S9/037—Lighting 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 the solar unit and the lighting unit being located within or on the same housing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10—Outdoor lighting
    • F21W2131/109—Outdoor lighting of gardens
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING 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
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
    • 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
    • Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
    • 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

Definitions

  • the utility model relates to an energy-saving lamp, in particular to a rechargeable battery and a dry battery combined solar lamp. Background technique
  • the utility model aims to solve the deficiencies of the prior art and provide a new rechargeable battery and a dry battery combined solar lamp, which has the characteristics of high reliability, strong practical performance, simple function realization mode and convenient operation.
  • a rechargeable battery and a dry battery combined solar lamp including a solar photovoltaic panel, a lamp cap, an inner lamp cover, a battery case, a circuit board, a rechargeable battery, a dry battery, an LED light source, a reflective cap, a reflective block, a glass lampshade, a lamp cap portion and a glass
  • the lamp cover is detachably connected, the inner lamp cover is disposed in a space formed by the lamp cap and the battery case, and the solar photovoltaic panel is disposed in a mounting slot on the outer surface of the lamp cap, and the rechargeable battery, the dry battery, and the circuit board are all disposed in the battery case.
  • the LED light source is disposed on the bottom surface of the battery case, the reflective cap is disposed on the bottom surface of the battery case, the reflective cap covers the LED light source, the reflective block is disposed at the bottom of the glass lamp cover, and the reflective block simultaneously abuts the bottom of the glass lamp cover.
  • the rechargeable battery is a 1. 2V nickel-metal hydride rechargeable battery or a 3. 2V lithium iron phosphate rechargeable battery.
  • the dry battery is a 1. 5V alkaline dry battery.
  • the installation position of the photovoltaic panel is provided with waterproof glue, and the circuit board is provided with a waterproof film.
  • the rechargeable battery and the dry battery combined solar lamp further comprise a rod joint, a sleeve rod, a ground plug joint, and a ground plug.
  • the top end of the sleeve rod is connected to the glass lamp cover through the rod joint, and the ground plug is connected to the bottom end of the sleeve rod through the ground plug joint.
  • the lamp cap is provided with a mounting hole.
  • the circuit board is provided with a charging protection circuit, a light control switch circuit, a discharge selection circuit and a driving circuit.
  • the charging protection circuit is connected between the solar photovoltaic panel and the rechargeable battery, and the rechargeable battery and the dry battery are respectively connected to the discharge selection circuit through the light control switch circuit.
  • the driving circuit is connected between the discharge selecting circuit and the LED light source.
  • the rechargeable battery and the dry battery combined solar lamp of the present invention utilize the photovoltaic characteristics of the solar photovoltaic panel to realize automatic charging and discharging of the internal rechargeable battery through photoelectric conversion, and the battery is not good for a long time and the rechargeable battery cannot be charged.
  • it When it is too low, it automatically switches to the spare dry battery discharge, so that it does not need external power supply, and good waterproof and sealing performance, realizes an integrated independent structure design, and is suitable for outdoor all-weather environment use.
  • FIG. 1 is a perspective view showing an embodiment of a rechargeable battery and a dry battery combined solar lamp of the present invention.
  • Figure 2 is an exploded view of Figure 1.
  • FIG. 3 is a circuit block diagram of a rechargeable battery and a dry battery combined solar lamp of the present invention.
  • Fig. 4 is a circuit diagram showing an embodiment of a 1.2 V nickel-metal hydride rechargeable battery using the rechargeable battery and the dry battery combined solar lamp of the present invention.
  • Fig. 5 is a circuit diagram showing an embodiment of a rechargeable battery and a dry battery-type solar lamp of the present invention using a 3. 2V lithium iron phosphate rechargeable battery. detailed description
  • the rechargeable battery and dry battery combined solar lamp of the present invention comprises a solar photovoltaic panel 1, a lamp cover 2, an inner lamp cover 3, a battery case 4, a circuit board 5, a rechargeable battery 6, and a dry battery 7.
  • the LED light source 8, the battery cover 9, the reflective cap 10, the reflective block 11, the glass cover 12, the base cover 2 and the glass cover 12 are detachably connected (specifically, screwed, snapped, etc.), and the inner cover 3 is disposed at In the space formed by the cap cover 2 and the battery case 4, the solar photovoltaic panel 1 is disposed in the mounting groove of the outer surface of the cap cover 2 for facilitating fixation, which is advantageous for sunlight to be irradiated onto the photovoltaic panel 1.
  • the rechargeable battery 6, the dry battery 7, and the circuit board 5 are all disposed in the battery case 4, the LED light source 8 is disposed on the bottom surface of the battery case 4, and the battery case cover 9 is fastened to the battery case 4.
  • the reflective cap 10 is disposed on the bottom surface of the battery case 4 and covers the LED light source 8.
  • the reflecting block 11 is disposed at the bottom of the glass cover 12, and the reflecting block 11 simultaneously abuts against the bottom of the glass cover 12. In use, the light emitted by the LED light source 8 is diffused uniformly by the reflective cap 10 and the reflective block 11, and then illuminates the surrounding space through the glass cover 12.
  • the squirrel of the battery is 1. 5V
  • the dry battery 7 is 1. 5V
  • the lithium-ion battery Li-P. Alkaline dry battery.
  • the lamp cover 2, the inner lamp cover 3 and the battery case 4 are provided with mounting holes, which are fixedly mounted by mounting screws, and are provided with waterproof grooves.
  • the installation position of the solar photovoltaic panel 1 is provided with waterproof glue, and the circuit board 5 is provided with Waterproof film, which prevents water from entering after installation.
  • the rechargeable battery and dry battery combined solar lamp of the present invention further includes a rod joint 13, a rod 14, a ground joint 15, and a ground insert 16, and the top end of the rod 14 passes through the rod joint 13 and the glass lamp cover 12
  • the ground plug 16 is connected to the bottom end of the sleeve 14 via the ground connector 15.
  • the circuit board 5 of the present invention is provided with a charging protection circuit, a light control switch circuit, a discharge selection circuit, and a driving circuit.
  • the charging protection circuit is connected between the solar photovoltaic panel 1 and the rechargeable battery 6, and the rechargeable battery 6
  • the dry battery 7 is connected to the discharge selection circuit through a light control switch circuit, and the drive circuit is connected between the discharge selection circuit and the LED light source 8.
  • the photovoltaic panel 1 charges the rechargeable battery 6; when there is no sunlight and the rechargeable battery 6 is sufficient, the light control switch circuit is turned on, and the discharge selection circuit selects the rechargeable battery 6 to discharge the LED light source 8 through the driving circuit; When the sunlight and the rechargeable battery 6 are insufficient, the light control switch circuit is turned on.
  • the electric selection circuit selects the dry battery 7 to discharge the LED light source 8 through the driving circuit; when the rechargeable battery 6 and the dry battery 7 are insufficient in power, the new dry battery 7 can be replaced by the new dry battery 7, so that the LED light source 8 can obtain the power supply requirement and emit light. Produces reliable, continuous lighting.
  • FIG. 4 is a specific circuit diagram of a battery using a L 2V nickel-hydrogen battery.
  • the photovoltaic panel 1 is connected to a 1.2 V nickel-hydrogen rechargeable battery (ie, the rechargeable battery 6 in the figure) through a diode D1 (ie, a charging protection circuit). It prevents the power supply from being poured.
  • D1 a charging protection circuit
  • the triodes Ql, Q2, and Q5 form a first switching circuit.
  • the photovoltaic panel 1 When the solar photovoltaic panel 1 is irradiated by sunlight, the photovoltaic panel 1 outputs a voltage. At this time, Q1 is turned on, Q2 is turned off, and Q5 is turned off, then in sunlight.
  • the photovoltaic panel 1 is charged with a 1.2 V nickel-metal hydride rechargeable battery and the 1.2 V nickel-hydrogen rechargeable battery is not discharged to the LED light source 8.
  • the triodes Q3, Q4, and Q6 form a second switching circuit.
  • the photovoltaic panel 1 When the solar photovoltaic panel 1 is exposed to sunlight, the photovoltaic panel 1 outputs a voltage, Q3 is turned on, and the regulating resistors R7, R8, and R9 turn off the Q4, and the dry battery 7 is turned on. The LED light source 8 is not discharged.
  • Q3 and Q5 When the battery capacity of the 1.2V nickel-metal hydride rechargeable battery is too low and the voltage drops to the set value and the photovoltaic panel 1 has no output voltage, Q3 and Q5 are turned off, Q4 is turned on, and the emitter of Q4 is connected to the driving circuit U1 through R11.
  • the 5 pin CDS is low level, Q6 is turned on, and the collector of Q6 is connected to the pin B+ of the driving circuit U1 to be high level, then the switch pin LX of the driving circuit U1 is high level, the diodes D2, D3
  • the dry battery 7 discharges the LED light source 8 through a booster circuit composed of the peripheral inductance L1 of the drive circuit U1, so that the LED light source 8 operates to emit light. Thereby achieving 1. 2V Ni-MH charging When the battery is low, switch to the standby dry battery 7 to discharge the LED light source 8.
  • FIG. 5 is a specific circuit diagram of a 3. 2V lithium iron phosphate rechargeable battery (ie, rechargeable battery 6).
  • a TL431 three-terminal Zener diode U2 is used to form a charging protection circuit, and solar energy is controlled by adjusting resistors Rl l, R14, and R13.
  • the output voltage of the photovoltaic panel 1 is such that a 3. 2V lithium iron phosphate rechargeable battery obtains a matching charging voltage.
  • the unidirectional conduction feature of diode D1 effectively prevents power supply from being poured.
  • Transistors Ql, Q2, Q5 form the first switching circuit, by adjusting the resistance, when the sun is shining
  • the photovoltaic panel 1 output voltage, at this time Q1 is turned on, Q2 is cut off, Q5 is cut off, then in the sunlight is a photovoltaic panel 1 pair of 3. 2V lithium iron phosphate rechargeable battery and 3. 2V iron phosphate
  • the lithium rechargeable battery does not discharge the LED light source 8.
  • the diode D4 acts as a protection against the 3. 2V power supply, and the diode D2 and the decoupling capacitor C1 act as a voltage regulator for Q2 and Q5.
  • the triodes Q3 and Q4 form a second switching circuit.
  • the photovoltaic panel 1 When the solar photovoltaic panel 1 is exposed to sunlight, the photovoltaic panel 1 outputs voltage, Q3 is turned on, and the regulating resistors R7, R8, and R9 turn off Q4, and the dry battery 7 is not the LED.
  • Discharge when the battery capacity of the 3. 2V lithium iron phosphate rechargeable battery is normal, the voltage of the 3. 2V lithium iron phosphate rechargeable battery is higher than the voltage of the dry battery 7, the 5-pin CDS of the driving circuit U1 is high, 1 foot When S+ is low, the switch pin LX of the driving circuit m is at a low level, and the dry battery 7 is not discharged to the outside.
  • 2V lithium iron phosphate rechargeable battery is too low and the voltage drops to the set value, when the solar photovoltaic panel 1 is not irradiated by sunlight, Q3 is turned off, Q4 is turned on, and the 5-pin CDS of the driving circuit U1 is caused by the resistor R8.
  • the booster circuit composed of the peripheral inductor L1 discharges the LED light source 8. Therefore, when the lithium battery of the lithium battery is insufficient, the battery is switched to the standby dry battery 7 to discharge the LED light source 8.
  • the rechargeable battery and the dry battery combined solar lamp of the present invention utilize the photovoltaic characteristics of the solar photovoltaic panel 1 to realize automatic charging and discharging of the internal rechargeable battery 6 by photoelectric conversion, and the solar battery is not good for a long time and the rechargeable battery 6 cannot When charging is caused, the battery is automatically switched to the standby dry battery 7 to discharge, so that it does not need external power supply, and the waterproof and sealing performance is realized, and the integrated independent structure design is realized, which is suitable for outdoor all-weather environment use.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Photovoltaic Devices (AREA)

Abstract

一种充电电池和干电池混合用型太阳能灯，其中，灯头部分和玻璃灯罩（12）可拆卸连接，内灯盖（3）设置在灯头盖（2）和电池盒（4）形成的空间内，太阳能光伏板（1）设置在灯头盖（2）的外表面的安装槽位中。充电电池（6）、干电池（7）、电路板（5）均设置在电池盒（4）内。LED光源（8）设置在电池盒（4）的底面上。反光帽（10）罩住LED光源（8）。反光块（11）设置在玻璃灯罩（12）的底部并抵住玻璃灯罩（12）的底部。充电电池和干电池混合用型太阳能灯利用太阳能光伏板（1）的光伏特性通过光电转换实现充电电池的自动充放电，而在长时间阳光不好以及充电电池无法充电导致电量过低的情况下自动切换至备用的干电池，使之无需外部供电，其良好的防水密封性能以及一体化的独立结构使其适用于户外全天候环境使用。

Description

充电电池和干电池合用型太阳能灯
技术领域
本实用新型涉及一种节能灯具，具体是一种充电电池和干电池合用型太阳能 灯。 背景技术
目前的普通花园类照明产品， 还是处于外部线缆供电， 或者更换内置电池供 电等传统型设计。 一般的太阳能供电产品， 也是光伏电池板与蓄电池分开放置， 造成安装结构复杂、繁琐、不美观。普通的一体化电池和太阳能光伏板供电产品， 也只采用了单纯的内置充电电池设计， 可靠性不高， 实用性不强。 而同类型的太 阳能产品， 内置控制电路也存在控制电路复杂， 外围电路较多等缺陷。 实用新型内容
本实用新型的目的在于解决现有技术的不足之处而提供一种新的充电电池 和干电池合用型太阳能灯， 具备可靠性高， 实用性能强， 功能实现方式简单， 操 作便捷的特点。
一种充电电池和干电池合用型太阳能灯， 包括太阳能光伏板、灯头盖、 内灯 盖、 电池盒、 电路板、 充电电池、 干电池、 LED光源、 反光帽、 反光块、 玻璃灯 罩， 灯头部分与玻璃灯罩可拆卸连接， 内灯盖设置在灯头盖和电池盒形成的空间 内， 太阳能光伏板设置在灯头盖的外表面的安装槽位中， 充电电池、 干电池、 电 路板均设置在电池盒内， LED光源设置在电池盒的底面上， 反光帽设置在电池盒 的底面上， 反光帽罩住 LED光源， 反光块设置在玻璃灯罩的底部， 反光块同时抵 住玻璃灯罩的底部。
充电电池是 1. 2V的镍氢充电电池或者 3. 2V的磷酸铁锂充电电池，干电池是 1. 5V的碱性干电池。
太阳能光伏板的安装位置设置有防水胶， 电路板上设置有防水薄膜。 充电电池和干电池合用型太阳能灯还包括杆接头、 套杆、 地插接头、 地插， 套杆的顶端通过杆接头与玻璃灯罩连接， 地插通过地插接头与套杆的底端连接。
灯头盖上设置有安装孔位。
电路板上设置有充电保护电路、 光控开关电路、 放电选择电路、 驱动电路， 充电保护电路连接在太阳能光伏板和充电电池之间，充电电池与干电池分别通过 光控开关电路与放电选择电路连接，驱动电路连接在放电选择电路与 LED光源之 间。
与现有技术相比，本实用新型充电电池和干电池合用型太阳能灯利用太阳能 光伏板的光伏特性通过光电转换实现内部充电电池自动充放电，而在长时间阳光 不好及充电电池无法充电导致电量过低的情况下自动切换至备用的干电池放电， 使之无需外部供电， 而良好的防水及密封性能， 实现了一体化独立结构设计， 适 用于户外全天候环境使用。 附图说明
图 1 是本实用新型充电电池和干电池合用型太阳能灯的一个实施例的外观 示意图。
图 2是图 1的分解图。
图 3是本实用新型充电电池和干电池合用型太阳能灯的电路模块图。
图 4是本实用新型充电电池和干电池合用型太阳能灯采用 1. 2V镍氢充电电 池的一个实施例的电路图。
图 5是本实用新型充电电池和干电池合用型太阳能灯采用 3. 2V磷酸铁锂充 电电池的一个实施例的电路图。 具体实施方式
请参阅图 1和图 2， 本实用新型充电电池和干电池合用型太阳能灯包括太阳 能光伏板 1、 灯头盖 2、 内灯盖 3、 电池盒 4、 电路板 5、 充电电池 6、 干电池 7、 LED光源 8、 电池盒盖 9、 反光帽 10、 反光块 11、 玻璃灯罩 12， 灯头盖 2与玻璃 灯罩 12可拆卸连接（具体可以是螺接、 卡接等等）， 内灯盖 3设置在灯头盖 2和 电池盒 4形成的空间内，太阳能光伏板 1设置在灯头盖 2的外表面的安装槽位中， 便于固定， 有利于阳光照射到太阳能光伏板 1上。 充电电池 6、 干电池 7、 电路 板 5均设置在电池盒 4内， LED光源 8设置在电池盒 4的底面上， 电池盒盖 9扣 在电池盒 4上。 反光帽 10设置在电池盒 4的底面上， 并罩住 LED光源 8。 反光 块 11设置在玻璃灯罩 12的底部， 反光块 11同时抵住玻璃灯罩 12的底部。使用 时， LED光源 8发出的光通过反光帽 10和反光块 11的扩散，均匀的向四周照射， 然后透过玻璃灯罩 12照亮周围的空间。
充电电池 6可以为 1. 2V的镍氢 （Ni-MH Nickel metal-hydrogen) 充电电池 或者 3. 2V磷酸铁锂 (LiFeP04/C lithium iron phosphate) 充电电池， 采用的 干电池 7为普通的 1. 5V碱性干电池。
灯头盖 2、 内灯盖 3和电池盒 4都设有安装孔位， 由安装螺丝固定安装， 并 且设有防水凹槽， 太阳能光伏板 1的安装位置设置有防水胶， 电路板 5上设置有 防水薄膜， 安装后能有效防止进水。
为了方便在花园中使用，本实用新型充电电池和干电池合用型太阳能灯进一 步包括杆接头 13、 套杆 14、 地插接头 15、 地插 16， 套杆 14的顶端通过杆接头 13与玻璃灯罩 12连接， 地插 16通过地插接头 15与套杆 14的底端连接。 使用 时， 将太阳能灯插在泥土里即可。
请参阅图 3，本实用新型的电路板 5上设置有充电保护电路、光控开关电路、 放电选择电路、驱动电路， 充电保护电路连接在太阳能光伏板 1和充电电池 6之 间， 充电电池 6与干电池 7分别通过光控开关电路与放电选择电路连接， 驱动电 路连接在放电选择电路与 LED光源 8之间。
在阳光充足时太阳能光伏板 1给充电电池 6充电； 在没有阳光且充电电池 6 电量充裕时， 光控开关电路导通， 放电选择电路选择充电电池 6通过驱动电路对 LED光源 8放电； 在没有阳光且充电电池 6电量不足时， 光控开关电路导通， 放 电选择电路选择干电池 7通过驱动电路对 LED光源 8放电；当充电电池 6和干电 池 7电量都不足的时候， 可以采用更换新的干电池 7的方式， 使 LED光源 8得到 供电需求， 使其发光， 产生可靠的、 持续的照明效果。
图 4是采用 L 2V镍氢充电电池的具体电路图， 图 4中， 太阳能光伏板 1通 过二极管 D1 (即充电保护电路） 与 1. 2V镍氢充电电池 （即图中的充电电池 6 ) 连接， 起到防止电源倒灌作用。
三极管 Ql、 Q2、 Q5组成第一开关电路， 通过调节电阻， 当有阳光照射太阳 能光伏板 1时， 太阳能光伏板 1输出电压， 此时 Q1导通、 Q2截止， Q5截止， 则 在阳光下是太阳能光伏板 1对 1. 2V镍氢充电电池充电且 1. 2V镍氢充电电池对 LED光源 8不放电。 当无阳光照射太阳能光伏板 1时， 无电压输出， Q1截止， Q2 导通， Q5导通， 则 1. 2V镍氢充电电池无充电且通过驱动电路 U1的外围电感 L1 组成的升压电路对 LED光源 8放电， 使 LED光源 8工作发光。
同理， 三极管 Q3、 Q4、 Q6组成第二开关电路， 当有阳光照射太阳能光伏板 1时， 太阳能光伏板 1输出电压， Q3导通， 调节电阻 R7、 R8、 R9使 Q4截止， 则 干电池 7不对 LED光源 8放电。 当 1. 2V镍氢充电电池的电池容量过低且电压降 低到设定值且太阳能光伏板 1无输出电压时， Q3、 Q5截止， Q4导通， Q4的发射 极通过 R11连接到驱动电路 U1的 5脚 CDS上呈低电平， Q6导通， Q6的集电极与 驱动电路 U1的 1脚 B+相连呈高电平， 则驱动电路 U1的开关引脚 LX呈高电平， 二极管 D2、 D3单向导通， 此时干电池 7通过驱动电路 U1的外围电感 L1组成的 升压电路对 LED光源 8放电， 使 LED光源 8工作发光。 从而实现 1. 2V镍氢充电 电池电量不足时， 切换至备用的干电池 7对 LED光源 8放电的功能。
图 5是采用 3. 2V磷酸铁锂充电电池 （即充电电池 6 ) 的具体电路图， 图 5 中，采用 TL431三端稳压二极管 U2组成充电保护电路，通过调节电阻 Rl l、 R14、 R13控制太阳能光伏板 1的输出电压， 使 3. 2V磷酸铁锂充电电池得到匹配的充 电电压。 二极管 D1的单向导通特性有效防止电源倒灌。
三极管 Ql、 Q2、 Q5组成第一开关电路， 通过调节电阻， 当有阳光照射太阳 能光伏板 1时， 太阳能光伏板 1输出电压， 此时 Q1导通、 Q2截止， Q5截止， 则 在阳光下是太阳能光伏板 1对 3. 2V磷酸铁锂充电电池充电且 3. 2V磷酸铁锂充电 电池对 LED光源 8不放电。 当无阳光照射太阳能光伏板 1时候， 无电压输出， Q1 截止， Q2导通， Q5导通，则 3. 2V磷酸铁锂充电电池无充电且对 LED光源 8放电， 使 LED光源 8工作发光。 其中二极管 D4起到防 3. 2V电源倒灌作用， 二极管 D2 及退耦电容 C1对 Q2、 Q5起到稳压滤波作用。
同理， 三极管 Q3、 Q4组成第二开关电路， 当有阳光照射太阳能光伏板 1时， 太阳能光伏板 1输出电压， Q3导通， 调节电阻 R7、 R8、 R9使 Q4截止， 则干电 池 7不对 LED放电， 当 3. 2V磷酸铁锂充电电池的电池容量正常时， 此时 3. 2V磷 酸铁锂充电电池的电压高于干电池 7的电压，驱动电路 U1的 5脚 CDS为高电平， 1脚 S+呈低电平， 则驱动电路 m的开关引脚 LX呈低电平， 此时干电池 7也不对 外放电。 当 3. 2V磷酸铁锂充电电池的电池容量过低且电压降低到设定值， 无阳 光照射太阳能光伏板 1时， Q3截止， Q4导通， 由于电阻 R8使驱动电路 U1的 5 脚 CDS呈低电平， 1脚 S+呈高电平， 二极管 D3的单向导通性起防止 1. 5V电源倒 灌作用， 则驱动电路 U1 的开关引脚 LX呈高电平， 此时干电池 7通过驱动电路 U1的外围电感 L1组成的升压电路对 LED光源 8放电。 从而实现 3. 2V磷酸铁锂 充电电池电量不足时， 切换至备用的干电池 7对 LED光源 8放电的功能。
与现有技术相比，本实用新型充电电池和干电池合用型太阳能灯利用太阳能 光伏板 1的光伏特性通过光电转换实现内部充电电池 6自动充放电，而在长时间 阳光不好及充电电池 6 无法充电导致电量过低的情况下自动切换至备用的干电 池 7放电， 使之无需外部供电， 而良好的防水及密封性能， 实现了一体化独立结 构设计， 适用于户外全天候环境使用。
以上所述实施例仅表达了本实用新型的几种实施方式，其描述较为具体和详 细， 但并不能因此而理解为对本实用新型专利范围的限制。应当指出的是， 对于 本领域的普通技术人员来说， 在不脱离本实用新型构思的前提下， 还可以做出若 干变形和改进， 这些都属于本实用新型的保护范围。 因此， 本实用新型专利的保 护范围应以所附权利要求为准。

Claims

权利 要 求
1、 一种充电电池和干电池合用型太阳能灯， 其特征在于： 包括太阳能光伏 板、 灯头盖、 内灯盖、 电池盒、 电路板、 充电电池、 干电池、 LED光源、 反光帽、 反光块、 玻璃灯罩， 灯头部分与玻璃灯罩可拆卸连接， 内灯盖设置在灯头盖和电 池盒形成的空间内， 太阳能光伏板设置在灯头盖的外表面的安装槽位中， 充电电 池、 干电池、 电路板均设置在电池盒内， LED光源设置在电池盒的底面上， 反光 帽设置在电池盒的底面上，反光帽罩住 LED光源，反光块设置在玻璃灯罩的底部， 反光块同时抵住玻璃灯罩的底部。
2、根据权利要求 1所述的充电电池和干电池合用型太阳能灯，其特征在于： 充电电池是 1. 2V的镍氢充电电池或者 3. 2V的磷酸铁锂充电电池，干电池是 1. 5V 的碱性干电池。
3、根据权利要求 1所述的充电电池和干电池合用型太阳能灯，其特征在于： 太阳能光伏板的安装位置设置有防水胶， 电路板上设置有防水薄膜。
4、根据权利要求 1所述的充电电池和干电池合用型太阳能灯，其特征在于： 还包括杆接头、套杆、地插接头、地插，套杆的顶端通过杆接头与玻璃灯罩连接， 地插通过地插接头与套杆的底端连接。
5、根据权利要求 1所述的充电电池和干电池合用型太阳能灯， 其特征在于： 灯头盖上设置有安装孔位。
6、根据权利要求 1所述的充电电池和干电池合用型太阳能灯， 其特征在于： 电路板上设置有充电保护电路、 光控开关电路、 放电选择电路、 驱动电路， 充电 保护电路连接在太阳能光伏板和充电电池之间，充电电池与干电池分别通过光控 开关电路与放电选择电路连接， 驱动电路连接在放电选择电路与 LED光源之间。
PCT/CN2011/081981 2011-07-27 2011-11-09 充电电池和干电池合用型太阳能灯 WO2013013452A1 (zh)

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