WO2014094673A1 - 路灯 - Google Patents

路灯 Download PDF

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Publication number
WO2014094673A1
WO2014094673A1 PCT/CN2014/070941 CN2014070941W WO2014094673A1 WO 2014094673 A1 WO2014094673 A1 WO 2014094673A1 CN 2014070941 W CN2014070941 W CN 2014070941W WO 2014094673 A1 WO2014094673 A1 WO 2014094673A1
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WO
WIPO (PCT)
Prior art keywords
street lamp
post
street
flywheel battery
control circuit
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.)
Ceased
Application number
PCT/CN2014/070941
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English (en)
French (fr)
Inventor
何丽丽
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.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201480001497.7A priority Critical patent/CN104603526A/zh
Publication of WO2014094673A1 publication Critical patent/WO2014094673A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • F21S9/04—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a generator
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/007—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations the wind motor being combined with means for converting solar radiation into useful energy
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/10—Combinations of wind motors with apparatus storing energy
    • F03D9/12—Combinations of wind motors with apparatus storing energy storing kinetic energy, e.g. using flywheels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20—Wind motors characterised by the driven apparatus
    • F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G3/00—Other motors, e.g. gravity or inertia motors
    • F03G3/08—Other motors, e.g. gravity or inertia motors using flywheels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G6/00—Devices for producing mechanical power from solar energy
    • F03G6/02—Devices for producing mechanical power from solar energy using a single state working fluid
    • F03G6/04—Devices for producing mechanical power from solar energy using a single state working fluid gaseous
    • F03G6/045—Devices for producing mechanical power from solar energy using a single state working fluid gaseous by producing an updraft of heated gas or a downdraft of cooled gas, e.g. air driving an engine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/08—Lighting devices intended for fixed installation with a standard
    • F21S8/085—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light
    • 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
    • F21S9/04—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a generator
    • F21S9/043—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a generator driven by wind power, e.g. by wind turbines
    • 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
    • F21V21/10—Pendants, arms, or standards; Fixing lighting devices to pendants, arms, or standards
    • F21V21/108—Arms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S70/00—Details of absorbing elements
    • F24S70/10—Details of absorbing elements characterised by the absorbing material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/10—Stators
    • F05B2240/13—Stators to collect or cause flow towards or away from turbines
    • F05B2240/131—Stators to collect or cause flow towards or away from turbines by means of vertical structures, i.e. chimneys
    • 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
    • F21W2131/103—Outdoor lighting of streets or roads
    • 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
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E70/00—Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin

Definitions

  • the invention belongs to a lighting device, in particular to a street lamp that uses natural energy to generate electricity.
  • the object of the present invention is to provide a street lamp for natural energy power generation with low maintenance probability for the street lamp of the above-mentioned natural energy power generation: the power generation device is disposed inside the street lamp column capable of wind and rain, and uses the ascending airflow in the street lamp column to generate electricity. , providing a stable power supply for street lamps; and not using a chemical battery to store electricity.
  • the specific technical device of the present invention is realized by: comprising a street lamp column and a street lamp illuminating member, wherein: a curved hood is arranged on the upper part of the street lamp column, and a plurality of wind power generators and a flywheel battery and a control circuit are arranged in the street lamp column. a plurality of air inlets are arranged at a lower portion of the street lamp column; the control circuit is respectively connected with a plurality of wind power generators, flywheel batteries and street light illuminating members;
  • the lamp post is a transparent material, and the north facing portion of the lamp post is provided with a semi-cylinder made of a transparent material, the semi-cylinder is equal in length to the street lamp post, and a salt layer is provided between the two; the surface of the salt in the salt layer is set to black;
  • the control circuit comprises a single chip microcomputer and a button battery power supply, a rectifier circuit, a voltage stabilization circuit, a power electronic converter, a relay and a photosensitive detection unit; the plurality of wind power generators, a rectifier circuit, a voltage stabilization circuit, a single chip microcomputer, and a relay
  • the street lamp illuminating members are sequentially connected, the button battery power source and the photosensitive detecting unit are respectively connected with the single chip microcomputer, and the single chip microcomputer is also sequentially connected with the power electronic converter and the flywheel battery;
  • the airflow flows through the curved hood, the flow rate is increased, the pressure is reduced, and the airflow with high pressure at the lower part of the street lamp column flows upward to form a strong ascending airflow to the outside; on the other hand, the black salt in the lamppost column
  • the layer absorbs the heat of the sunlight and stores the heat in the salt layer.
  • the heat of the absorbed sunlight heats the air in the column of the street lamp, and the heated air rises to form another strong ascending airflow to the outside; thus, the above Two strong updrafts drive multiple wind turbines in the streetlight column to generate electricity;
  • the electricity generated by a plurality of wind turbines is converted into mechanical kinetic energy by the control circuit and stored in the flywheel battery; the flywheel battery gradually accumulates mechanical kinetic energy;
  • the control circuit detects that the ambient brightness is insufficient, the electrical connection between the flywheel battery and the street light illuminating member is turned on, and the flywheel battery converts the mechanical kinetic energy into electrical energy, and supplies power to the street light illuminating device; when the control circuit detects that the ambient brightness is sufficient, Disconnecting the electrical connection between the flywheel battery and the street light illuminating part, the flywheel battery stops supplying power to the street light illuminating part, the street light illuminating part is extinguished, and the flywheel battery continues to store mechanical kinetic energy;
  • the street light illuminator relies on natural energy to illuminate at night and extinguish during the day.
  • the invention has the following beneficial effects:
  • the present invention utilizes a black salt layer as a facility for solar power generation, and has the advantages of low cost and long life compared with solar panels.
  • flywheel batteries instead of chemical batteries to store electricity, avoiding the environmental pollution of chemical batteries, but also avoids the shortcomings of short life of chemical batteries, which must be maintained frequently.
  • Figure 1 is a general schematic view of the present invention.
  • Figure 2 is a cross-sectional view of Figure 1.
  • Figure 3 is a schematic cross-sectional view of the street lamp post 1 of Figure 2 .
  • Figure 4 is a schematic view of the flywheel battery
  • Figure 5 is a block diagram of the circuit of the present invention.
  • the present invention provides a plurality of wind turbines 2 (see Fig. 2) in the street lamp post 1.
  • a curved hood 12 is disposed on the upper portion of the street lamp post.
  • a flywheel battery 3 and a control circuit 5 are disposed in the street lamp post. See the circuit block diagram in Figure 5 for the connection relationship. In this way, the devices for generating electricity are all inside the street lamp column 1 to prevent rapid loss in the wind and rain.
  • the wheel battery 3 is shown in Fig. 4, which is composed of four main components of a flywheel 311 of a flywheel battery, a bearing 312, a motor/generator 313 of a flywheel battery, and a vacuum chamber 314.
  • the input/output net power electronic converter 55 of such a flywheel battery inputs electric energy from the outside, drives the motor of the flywheel battery to rotate, the motor of the flywheel battery drives the flywheel of the flywheel battery to rotate, and the flywheel of the flywheel battery stores mechanical kinetic energy.
  • the flywheel of the flywheel battery drives the generator of the flywheel battery to rotate, converts the mechanical kinetic energy into electrical energy, and then becomes the various frequency and voltage levels of electric energy required by the load through the power electronic converter 55 to meet different Demand.
  • the power electronic converter 55 is typically a bidirectional inverter composed of a MOSFETT and an IGBT.
  • the control circuit 5 is shown in FIG. 5, which comprises a single chip microcomputer 51 and a button battery power source 52, a rectifier circuit 53, a voltage stabilizing circuit 54, a power electronic converter 55, a relay 56 and a photosensitive detecting unit 57;
  • the rectifier circuit 53, the voltage regulator circuit 54, the single chip microcomputer 51, the relay 56, the street lamp illuminating member 4 are sequentially connected, the button battery power source 52, and the photosensitive detecting unit 57 are respectively connected with the single chip microcomputer 51, and the single chip microcomputer 51 also passes the power electronic converter 55 and the flywheel. Battery 3 is connected.
  • the electric power generated by the plurality of wind power generators 2 is rectified by the rectifying circuit 53, and then regulated by the voltage stabilizing circuit 54, and the motor 313 of the flywheel battery is driven to rotate by the power electronic converter 55 by the control of the single chip microcomputer 51, and the flywheel battery is driven.
  • the motor 313 drives the flywheel 311 of the flywheel battery to rotate, and the flywheel 311 of the flywheel battery stores the mechanical kinetic energy; when the single chip microcomputer 51 obtains the light-on signal from the photosensitive sensor in the photosensitive detecting unit 57, the single chip microcomputer 51 controls the conduction of the power electronic converter 55 and the flywheel.
  • the battery 3 and the single-chip microcomputer also control the conduction relay 56.
  • the electric power generated by the flywheel battery 3 is supplied to the street lamp illuminating member 4 through the power sub-converter 55, the single-chip microcomputer 51 and the relay 56.
  • the single chip microcomputer 51 obtains the light-off signal from the light-sensitive sensor in the photosensitive detecting unit 57
  • the single-chip microcomputer 51 controls the flywheel battery 3 to stop power generation, and also closes the relay 56, and the street light-emitting member 4 is turned off. If the light detecting unit is replaced by a time setting unit, automatic opening and closing of the street light can also be achieved.
  • Control circuits such as a photosensitive detecting unit or a time setting unit are well known circuits.
  • the flywheel battery 3 and the control circuit 5 described above are well known to those skilled in the art and will not be described in detail.
  • a plurality of air inlets 11 are provided in the lower portion of the street lamp post 1.
  • the flow rate is increased.
  • the pressure at the upper portion of the lamp post 1 is lowered, and the pressure at the lower portion of the lamp post 1 is high.
  • the airflow flows upwards, forming a strong ascending airflow, going out from the hood and flowing to the outside. The faster the airflow
  • the street lamp post 1 of the present invention is a transparent material that transmits sunlight.
  • the sunlight heats the air in the column 1 of the street lamp, and according to the principle of rising hot air, the wind power generator 2 is driven to generate electricity.
  • a semi-cylinder 8 made of a transparent material (see Fig. 3), a semi-cylinder 8 and a street lamp column 1 are provided. Equal length.
  • a salt layer 9 is provided between the semi-cylinder 8 and the street lamp column 1 (the salt has good heat storage property, and can release heat in the evening to heat the air in the lamp post 1); the surface of the salt layer 9 is set to absorb the sun.
  • the light is hot black, which can be achieved by applying black pigment. This black is good for absorbing the heat of the sun and heating the air inside the column 1 of the street lamp. If the heat storage in the salt layer 9 is insufficient, the hot gas flow will weaken or disappear. However, the aforementioned strong updraft formed by the pressure difference still exists, that is, the first power source still exists, and still drives a plurality of wind turbines 2 to generate electricity.
  • the flow rate will be accelerated.
  • the pressure at the upper part of the street lamp column 1 is lowered, and the airflow of the lower portion of the lamp column 1 is high, and a strong ascending airflow flows to the outside;
  • the black salt layer 9 in the lamp post 1 absorbs the heat of the sunlight, and stores the heat in the salt layer 9.
  • the heat of the absorbed sunlight heats the air in the lamp post 1 and the heated air is upwardly formed.
  • Another strong updraft flows to the outside world; thus, the above two strong updrafts drive the wind turbines 2 in the street lamp column 1 to generate electricity.
  • the electricity generated by the plurality of wind turbines 2 is converted into mechanical kinetic energy by the control circuit 5 and stored in the flywheel battery 3; the flywheel battery 3 gradually accumulates mechanical kinetic energy;
  • the control circuit 5 When the photosensitive sensor in the control circuit 5 detects that the ambient brightness is insufficient, the control circuit 5 turns on the electrical connection between the flywheel battery 3 and the street light illuminating member 4, and the flywheel battery 3 converts the mechanical kinetic energy into electrical energy through the control circuit 5, and supplies power thereto.
  • the street light illuminating member 4 illuminates; when the photosensitive sensor in the control circuit 5 detects that the ambient brightness is sufficient, the control circuit 5 disconnects the electrical connection between the flywheel battery 3 and the street light illuminating member 4, and the flywheel battery 3 stops supplying power to the street light illuminating member 4. , the street light illuminating member 4 is extinguished, and the flywheel battery 3 continues to store mechanical kinetic energy;
  • the street light illuminator 4 relies on the electricity generated by natural energy, is illuminated at night, and is extinguished during the day.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Sustainable Energy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Wind Motors (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

一种利用上升气流和飞轮电池发电的路灯，包括立柱（1），在立柱（1）内设置多只风力发电机（2）。立柱（1）上部设置弧面风帽（12）。立柱（1）中设置飞轮电池（3）和控制电路（5）。立柱（1）为透明材料，且设有盐层（9）。一方面，气流流过弧形风帽（12），流速加快，压强降低，压强高的气流从下而上，形成一股强上升气流；另一方面，立柱（1）内设置有黑色的盐层（9），其吸收太阳光的热量，被加热的空气向上，形成另一股强上升气流。两股强上升气流推动立柱（1）中风力发电机（2）转动发电，供路灯照明。由于发电设施均在路灯立柱（1）内部，维修的几率低。利用盐层（9）作为太阳能发电的设施，具有成本低，寿命长的优点。利用飞轮电池（3）代替化学蓄电池，避免了化学电池的环境污染。

Description

路灯 技术领域
本发明属于照明设备， 尤其是涉及一种利用自然能源发电的路灯。
背景技术
为了节约能源， 保护环境， 目前已经出现了几种利用太阳能和风能提供电力 的路灯。 太阳能发电主要是利用太阳能电池板， 风能发电主要是利用路灯顶部 安装的风力发电机。 上述发电装置均暴露在外， 日晒雨淋， 使用寿命较低， 维 修几率高， 导致使用成本上升。
现有的太阳能和风能路灯的另一个缺点是需配置化学电池， 而化学电池要 定期维护， 且使用寿命有限， 废弃电池也会对环境造成污染， 这种状态也有待 改进。
发明内容
本发明的目的是针对上述自然能源发电的路灯， 提出一种维修几率较低的自 然能源发电的路灯： 将发电装置设置在能挡风遮雨的路灯立柱内部， 利用路灯 立柱内的上升气流发电， 为路灯提供稳定的电源； 并且不使用化学电池蓄电。
本发明的具体技术装置是这样实现的： 包括路灯立柱、 路灯发光件， 其特 征是， 在路灯立柱上部设置一弧面风帽， 路灯立柱内设置多只风力发电机和一 飞轮电池及控制电路， 路灯立柱下部设有多个进风口； 控制电路分别与多只风 力发电机、 飞轮电池及路灯发光件连接；
路灯立柱为透明材料， 路灯立柱的朝北的部分， 设有透明材料制作的半圓 筒， 半圓筒与路灯立柱等长， 两者之间设有盐层； 盐层中盐的表面设为黑色； 所述的控制电路包括单片机及钮扣电池电源、 整流电路、 稳压电路、 电力 电子变换器、 继电器和光敏检测单元； 所述的多只风力发电机、 整流电路、 稳 压电路、 单片机、 继电器、 路灯发光件顺序连接， 钮扣电池电源、 光敏检测单 元分别与单片机连接， 单片机还与电力电子变换器、 飞轮电池顺序连接；
上述装置的使用方法：
气流流过弧形风帽， 流速加快， 压强降低， 路灯立柱下部压强高的气流流 向上部， 形成一股强上升气流， 流向外界； 另一方面， 路灯立柱内的黑色的盐 层吸收太阳光的热量， 并将热量储存在盐层中， 吸收的太阳光的热量加热了路 灯立柱内的空气， 被加热的空气向上， 形成另一股强上升气流， 流向外界； 这 样， 上述两股强上升气流， 推动路灯立柱中多只风力发电机转动发电；
多只风力发电机发出的电， 通过控制电路， 由电能变换成机械动能储存在 飞轮电池中； 飞轮电池逐渐积累机械动能；
当控制电路检测到环境亮度不足时， 接通飞轮电池与路灯发光件之间的电 连接， 飞轮电池将机械动能变换成电能， 供电于路灯发光件照明； 当控制电路 检测到环境亮度充足时， 断开飞轮电池与路灯发光件之间的电连接， 飞轮电池 停止向路灯发光件供电， 路灯发光件熄灭， 飞轮电池继续储存机械动能；
如此周而复始， 路灯发光件依靠自然能源发的电， 在夜间照明， 白天熄灭。 本发明与现有的路灯相比有如下有益效果：
一、 由于利用自然能源的发电设施均在路灯立柱内部， 维修的几率较低， 从而使用成本较低。
二、 本发明利用黑色盐层作为太阳能发电的设施， 与太阳能电池板相比 较， 具有成本低， 寿命长的优点。
三、 利用飞轮电池代替化学电池储存电力， 避免了化学电池的环境污染， 也避免了化学电池寿命短， 须经常维护的缺点。
附图说明
下面结合图和实施例对本发明进一步说明。
图 1是本发明的总体示意图。
图 2是图 1的剖视图。
图 3是图 2中的路灯立柱 1的横截面示意图。
图 4是飞轮电池的示意图
图 5是本发明的电路框图。
具体实施方式
本发明是在路灯立柱 1 内设置了多只风力发电机 2 (见图 2 )。 在路灯立柱 上部设置一弧面风帽 12。 路灯立柱中设置飞轮电池 3和控制电路 5 (实物未画 出）。 其中的连接关系参见图 5的电路框图。 这样， 发电的装置均在路灯立柱 1 内部， 以防止在风吹雨淋状态下迅速的损耗。 轮电池 3参见图 4, 其由飞轮电池的飞轮 311、轴承 312、 飞轮电池的电动 /发电 机 313和真空室 314四个主要组件构成。 飞轮电池的电机和飞轮电池的飞轮都 使用磁轴承， 使其悬浮， 以减少机械摩擦， 同时将飞轮电池的飞轮和飞轮电池 的电机放置在真空容器中， 以减少空气摩擦。 这样的飞轮电池的输入输出净效 电力电子变换器 55从外部输入电能， 驱动飞轮电池的电动机旋转， 飞轮电池的 电动机带动飞轮电池的飞轮旋转， 飞轮电池的飞轮储存机械动能。 当外部负载 需要能量时， 飞轮电池的飞轮带动飞轮电池的发电机旋转， 将机械动能转化为 电能， 再通过电力电子变换器 55变成负载所需要的各种频率、 电压等级的电能 以满足不同的需求。 电力电子变换器 55通常是应用 MOSFETT和 IGBT组成 的双向逆变器。
控制电路 5参见图 5, 其包括单片机 51及钮扣电池电源 52、 整流电路 53、 稳压电路 54、 电力电子变换器 55、 继电器 56和光敏检测单元 57; 所述的多只 风力发电机 2、 整流电路 53、 稳压电路 54、 单片机 51、 继电器 56、 路灯发光 件 4顺序连接， 钮扣电池电源 52、 光敏检测单元 57分别与单片机 51连接， 单 片机 51还通过电力电子变换器 55与飞轮电池 3连接。
多只风力发电机 2发出的电， 经整流电路 53的整流， 再经稳压电路 54的 稳压， 通过单片机 51 的控制， 通过电力电子变换器 55驱动飞轮电池的电动机 313转动， 飞轮电池的电动机 313带动飞轮电池的飞轮 311旋转， 飞轮电池的 飞轮 311储存机械动能； 当单片机 51从光敏检测单元 57中的光敏传感器的获 得开灯讯号， 则单片机 51控制导通电力电子变换器 55和飞轮电池 3, 单片机 同时也控制导通继电器 56, 飞轮电池 3发出的电经电力子变换器 55、 单片机 51和继电器 56供电于路灯发光件 4照明。 当单片机 51从光敏检测单元 57中 的光敏传感器的获得闭灯讯号， 则单片机 51控制飞轮电池 3停止发电， 同时也 闭合继电器 56, 路灯发光件 4熄灭。 如果由时间设定单元代替光敏检测单元， 也可以实现路灯的自动启闭。 光敏检测单元或时间设定单元这类控制电路， 均 是公知的电路。 上述飞轮电池 3和控制电路 5均是所属技术领域的技术人员所 熟识的， 不再详细累述。
路灯立柱 1下部设有多个进风口 11。 当自然气流流过弧形风帽 12, 流速会 加快， 根据伯努利原理， 路灯立柱 1 上部的压强降低， 路灯立柱 1 下部压强高 的气流流向上部， 形成一股强上升气流， 从风帽下出去， 流向外界。 气流越快
(或者说风越大）， 上升气流强度越大。 该强上升气流是推动风力发电机 2转动 的第一股动力源。 根据烟筒效应， 路灯立柱 1越高， 该上升气流强度也越大。
推动风力发电机 2转动的还有另一股上升的气流： 本发明的路灯立柱 1 为 透明材料， 可以透过太阳光线。 太阳光加热路灯立柱 1 中的空气， 根据热空气 上升的原理， 推动风力发电机 2转动发电。 为了在晚上没有太阳时， 路灯立柱 1 内仍有上升的热气流， 在路灯立柱 1 的朝北的部分， 设有透明材料制作的半圓 筒 8 (见图 3 ), 半圓筒 8与路灯立柱 1等长。 在半圓筒 8与路灯立柱 1之间设 有盐层 9 (盐具有良好的储热性能， 在晚间能够放出热量， 加热路灯立柱 1 内的 空气）； 盐层 9中盐的表面设为吸收太阳光热良好的黑色， 该黑色可以用涂黑色 颜料的方法加以实现。 该黑色有利于吸收太阳光的热量， 加热路灯立柱 1 内的 空气。 如果在盐层 9 中的储热不足， 热气流会减弱或消失。 但前面提到的由压 强差形成的强上升气流依然存在， 即第一股动力源依然存在， 仍旧会推动多只 风力发电机 2转动发电。
综上所述， 本发明使用的方法是这样实现的：
当气流流过弧形风帽 12, 流速会加快， 根据伯努利原理， 路灯立柱 1上部 的压强降低， 路灯立柱 1 下部压强高的气流流向上部， 形成一股强上升气流， 流向外界； 另一方面， 路灯立柱 1 内的黑色的盐层 9吸收太阳光的热量， 并将 热量储存在盐层 9中， 吸收的太阳光的热量加热了路灯立柱 1 内的空气， 被加 热的空气向上， 形成另一股强上升气流， 流向外界； 这样， 上述两股强上升气 流， 推动路灯立柱 1 中多只风力发电机 2转动发电。
多只风力发电机 2发出的电，通过控制电路 5, 由电能变换成机械动能储存 在飞轮电池 3中； 飞轮电池 3逐渐积累机械动能；
当控制电路 5中的光敏传感器检测到环境亮度不足时， 控制电路 5接通飞 轮电池 3与路灯发光件 4之间的电连接， 飞轮电池 3通过控制电路 5将机械动 能变换成电能， 供电于路灯发光件 4照明； 当控制电路 5中的光敏传感器检测 到环境亮度充足时，控制电路 5断开飞轮电池 3与路灯发光件 4之间的电连接， 飞轮电池 3停止向路灯发光件 4供电， 路灯发光件 4熄灭， 飞轮电池 3继续储 存机械动能；
如此周而复始， 路灯发光件 4依靠自然能源发的电， 在夜间照明， 白天熄

Claims

权 利 要 求 书
1、 一种路灯， 所述路灯包括：
路灯立柱； 以及
路灯发光件；
其特征在于， 所述路灯立柱上部设置有一弧面风帽， 所述路灯立柱内设置 有多只风力发电机、 一飞轮电池及控制电路；
所述路灯立柱下部设有多个进风口；
所述控制电路分别与多只所述风力发电机、 所述飞轮电池及所述路灯发光 件连接。
2、 如权利要求 1所述的路灯， 其特征在于， 所述飞轮电池用于将机械动能 变换成电能， 以向所述路灯发光件供电。
3、 如权利要求 2所述的路灯， 其特征在于， 所述控制电路用于在检测到环 境亮度不足时， 接通所述飞轮电池与所述路灯发光件之间的电连接。
4、 如权利要求 3所述的路灯， 其特征在于， 所述控制电路还用于在检测到
5、 如权利要求 4所述的路灯， 其特征在于， 所述控制电路包括单片机、 钮 扣电池电源、 整流电路、 稳压电路、 电力电子变换器、 继电器和光敏检测单元。
6、 如权利要求 5所述的路灯， 其特征在于， 所述风力发电机、 所述整流电 路、 所述稳压电路、 所述单片机、 所述继电器、 所述路灯发光件顺序连接。
7、 如权利要求 6所述的路灯， 其特征在于， 所述钮扣电池电源、 所述光敏 检测单元分别与所述单片机连接。
8、 如权利要求 7所述的路灯， 其特征在于， 所述单片机还与所述电力电子 变换器、 所述飞轮电池顺序连接。
9、 如权利要求 8所述的路灯， 其特征在于， 路灯立柱设有由透明材料制作 的半圓筒， 所述半圓筒与所述路灯立柱等长， 所述半圓筒与所述路灯立柱之间 设有盐层。
10、 如权利要求 9所述的路灯， 其特征在于， 所述盐层中盐的表面设为黑 色。
PCT/CN2014/070941 2012-12-18 2014-01-21 路灯 Ceased WO2014094673A1 (zh)

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