WO2015149585A1 - 具有浪涌防护功能的光控器 - Google Patents

具有浪涌防护功能的光控器 Download PDF

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Publication number
WO2015149585A1
WO2015149585A1 PCT/CN2015/072238 CN2015072238W WO2015149585A1 WO 2015149585 A1 WO2015149585 A1 WO 2015149585A1 CN 2015072238 W CN2015072238 W CN 2015072238W WO 2015149585 A1 WO2015149585 A1 WO 2015149585A1
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WO
WIPO (PCT)
Prior art keywords
light controller
surge protection
unit
surge
grounding
Prior art date
Application number
PCT/CN2015/072238
Other languages
English (en)
French (fr)
Inventor
徐忠厚
章汉平
张祥贵
徐承先
Original Assignee
厦门赛尔特电子有限公司
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 厦门赛尔特电子有限公司 filed Critical 厦门赛尔特电子有限公司
Priority to JP2016548046A priority Critical patent/JP6134452B1/ja
Priority to EP15774470.7A priority patent/EP3128816B1/en
Priority to US15/117,456 priority patent/US9872360B2/en
Publication of WO2015149585A1 publication Critical patent/WO2015149585A1/zh

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Classifications

    • 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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/20—Responsive to malfunctions or to light source life; for protection
    • H05B47/24—Circuit arrangements for protecting against overvoltage
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/003—Arrangement 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
    • F21V23/007—Arrangement 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 enclosed in a casing
    • F21V23/009—Arrangement 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 enclosed in a casing the casing being inside the housing of the lighting device
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
    • 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]
    • H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
    • 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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/105—Controlling the light source in response to determined parameters
    • H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
    • 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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/20—Responsive to malfunctions or to light source life; for protection
    • H05B47/25—Circuit arrangements for protecting against overcurrent
    • 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
    • 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]
    • 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
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection

Definitions

  • LED Light-Emitting Diode
  • LED lighting are dual engines for energy saving and consumption reduction of street lighting systems.
  • the light controller is located at the top of the lamp and has a front end of the driving power supply. Easy to install and replace; because LED street lights and light controllers are extremely sensitive to overvoltage and surge current, without reliable protection measures, the whole piece or the entire street lighting system may be caused by thunderstorms or lightning overvoltages. , bringing significant economic losses and safety hazards, surge protectors have become an essential device for light controllers, LED drivers, and LED light sources to withstand surges.
  • the surge protector fulfills the safety responsibility of protecting the light controller, LED driver and LED light source, it is easy to be damaged under the long-term surge attack and needs to be replaced frequently.
  • LED street light surge protector is installed inside the lamp.
  • LED street light fixtures are usually installed at the upper end of the poles with a height of 5-10m, so that the installation and replacement of the surge protector requires the use of a lift truck for high-altitude operation, and the surge protector must be replaced in the power-off state for a long time. For an hour, installation and maintenance costs are high, and the staff responsible for installation and maintenance are less secure.
  • One of the purposes of the present application is to solve the problems faced in the prior art, and to provide a device combining the functions of a light controller and a surge protector, which can realize the energy consumption management of the lighting, and can provide lightning and surge.
  • the protection function at the same time changing the problem of high installation and maintenance cost of the surge protector, thereby contributing to the energy saving and consumption reduction of the light control lighting, and improving the service life and safety of the lighting system; in particular, greatly reducing the safety maintenance High altitude complexity and danger, improved maintenance staff life safety.
  • the application proposes a light controller with a surge protection function.
  • the light controller is composed of a light controller unit, a surge protection unit and a light controller base.
  • the light controller unit comprises a casing, a light control circuit, a bottom cover and a plug, and the outer casing is disposed above the bottom cover.
  • the control circuit is disposed in the receiving space between the outer casing and the bottom cover, and the first plug is mounted under the bottom cover, and the output end of the light control circuit is electrically connected to the first plug.
  • the surge protection unit includes a sealed cavity, and a surge protection circuit is disposed in the sealed cavity.
  • the surge protection circuit includes at least one protection component, and the surge protection unit is designed as a differential mode and a common mode according to different numbers of protection components. Or full mode solution.
  • Each protection component can be made in four ways, namely, using a varistor alone, using a current fuse in series with the varistor, using a thermal protection device in series with the varistor, using a current fuse, and a thermal protection device in series with the varistor.
  • the safety of the four methods is lower, general, excellent, and superior.
  • the third method is preferred to make the surge protection component; if necessary, the gas discharge tube is connected in series on the surge protection component of the common mode protection. , to isolate the leakage current to the ground.
  • the light controller base is provided with a socket corresponding to the plug.
  • the surge protection unit is connected in parallel with the power phase (Lin) end and the neutral line (N) end of the light controller unit, and the grounding wire (PE) end of the surge protection unit is disposed corresponding to the light through at least one ground connection member
  • a conductive member is connected to the base of the controller, and the conductive member is connected to the ground.
  • the grounding connector comprises a grounding member locking cover, a resilient member and a grounding member ram in sequence; and a grounding conductive member disposed on the base of the light controller is a mounting screw on the base of the light controller, wherein The grounding member ram of the grounding connector is in contact with the head of the mounting screw.
  • the purpose of the grounding connector is to make the grounding member of the grounding connector mate with the elastic force of the elastic component and the mounting screw to form a good electric power when the plug of the optical controller unit is plugged into the optical controller socket. Contact, so that the grounding wire of the fixed light controller socket housing is crimped to the ground to form a surge current discharge path.
  • the present application proposes a built-in structure in which the surge protection unit is integrally integrated into the interior of the light controller unit to form an integral body, and only the plug of the light controller unit and the socket of the light controller base are installed during installation. Plug in.
  • This built-in structure adds a surge protection unit to the existing light controller unit. Therefore, the light controller unit of the present application can be divided into two regions, one for setting a surge protection unit designed with a surge protection component as a differential mode, a common mode or a full mode solution; and another region for setting The light controller circuit has the function of a light controller in the traditional sense.
  • the surge protection unit is disposed on a PCB (Printed Circuit Board) board with a light control circuit in the light controller unit, and shares a PCB board with the light controller unit.
  • an elastic grounding connector is disposed on the bottom cover of the light controller unit, and the position and the number of the grounding connector correspond to the mounting screws of the fixed base of the light controller base.
  • the present application proposes a transfer type structure, and the surge protection unit is made into an independent whole without being modified on the internal structure of the light controller unit and the light controller socket, and is placed in the light control. Unit and light controller base between.
  • the independent integrated surge protection unit is integrally connected with the light controller unit through a connecting member disposed thereon, and the connecting member includes a female socket end and a formula plug end.
  • the plug of the light controller unit is plugged into the female socket end of the connector in the independent integral surge protection unit, and the formula plug end of the connector in the independent integral surge protection unit and the light controller base
  • the socket is plugged in.
  • connection of the connector enables the independent integrated surge protection unit to be equipped with a transfer function, so that the light controller unit and the independent integrated surge protection unit can be successfully separated from each other, but functionally combined. Two for one.
  • a grounding connection member in order to make the independent integrated surge protection unit work normally, a grounding connection member must be provided for connecting the (PE) end of the independent integral surge protection unit to form a surge current pair. The passage for the earth to vent.
  • this method also enables the separate and integral surge protection unit and light controller unit to be separated and quickly replaced, thus greatly reducing the cost of later maintenance and better devices.
  • the independent integrated surge protection unit has a cake-like structure, and includes an upper cover, a lower cover, and a closed cavity between the upper cover and the lower cover, the upper cover and the lower cover.
  • the cover is fixedly connected as a whole, and the upper cover is provided with a through hole for inserting the plug in the light controller unit.
  • the upper and lower covers can be connected by any means known to those skilled in the art, such as: arranging a card protrusion, a card slot or an internal or external thread on the upper and lower covers to connect, Alternatively, it is connected by a non-detachable manner such as bonding, riveting, welding, etc., and is not limited thereto.
  • the upper and lower covers can be fixedly connected by screws and nuts.
  • the upper cover is provided with a central hole of the upper cover
  • the lower cover is provided with a central hole of the lower cover, and the screws sequentially penetrate the central hole of the upper cover.
  • the bottom hole of the lower cover, the bottom of the lower cover is also provided with a waterproof pad and is fastened with a nut.
  • the surge protection unit of the present application is provided with at least one shielding component, and each shielding component comprises a varistor and at least one thermal protection device connected in series with each other.
  • each shielding component comprises a varistor and at least one thermal protection device connected in series with each other.
  • a gas discharge tube can be connected in series to the common mode guarded varistor to isolate leakage current to ground.
  • the input line of the discharge tube is electrically connected to the other end of the thermal fuse on the electrode, the other end of the thermal fuse on the electrode 4, and one end of the discharge tube;
  • the output line of the electric tube is electrically connected to the other end of the discharge tube and the top rod of the grounding member.
  • the beneficial effects of the present application are: by providing an integrated or relay type surge protection unit, the light controller is provided with a protection function of surge voltage and surge current while controlling the light control lighting.
  • the elastic ground connection member is in contact with the mounting screw on the socket on the base of the light controller to form a path for surge current to vent the earth; the connection of the plug-in connector realizes the surge protection unit Simple installation and replacement, as well as separate replacement of the surge protection unit and the light control unit; at the same time changing the problem of high installation and maintenance cost of the surge protector, contributing to energy saving and consumption reduction of the light control lighting, and improving lighting
  • the service life and safety of the system in particular, the high-altitude complexity and danger of safety maintenance are greatly reduced, and the life safety of maintenance personnel is improved; the different modes of the circuits in the surge protection unit are connected, and the LED lighting power system is realized. Modification requirements for mode, differential mode, and full mode.
  • the surge protection unit can be made into a mode built into a small electronic device or a switch mode that can be quickly replaced, and is not limited to application in LED street lamps and light controller products. Can also be applied to other small electrical and electronic equipment, such as voice controllers, monitors and so on.
  • FIG. 1a is a schematic block diagram of a built-in type of a light controller with a surge protection function according to Embodiment 1 of the present application;
  • FIG. 1b is a schematic block diagram of a pie-shaped transfer type of a light controller with a surge protection function according to Embodiment 2 of the present application;
  • FIG. 1b is a schematic block diagram of a pie-shaped transfer type of a light controller with a surge protection function according to Embodiment 2 of the present application;
  • FIG. 2 is a schematic view of the appearance of the first embodiment of the present application.
  • Embodiment 1 of the present application is a schematic structural view of Embodiment 1 of the present application.
  • 2b-1, 2b-2 are full-mode protection circuit diagrams of the surge protection unit of the embodiment of the present application.
  • FIG. 2c is a schematic structural view of a surge protection unit according to Embodiment 1 of the present application.
  • FIG. 3 is a schematic structural view of a grounding connector in the present application.
  • FIG. 4a is a top view of the second embodiment of the present application.
  • FIG. 6 is a schematic diagram of the physical connection of the components of the surge protection unit in the second embodiment of the present application.
  • the light controller of the present application comprises a light controller unit 1, a surge protection unit 2A, 2B and a light controller base 3.
  • the surge protection unit 2A, 2B is connected in parallel with the power phase (Lin) end and the neutral line (N) end of the light controller unit 1, and the grounding line (PE) end of the surge protection unit 2A, 2B passes through the ground connection member.
  • 4 is connected with a conductive member on the base 3 of the light controller, and the conductive member is connected to the ground through a wire to form a light controller with a surge protection function.
  • FIG. 2b-1 and 2b-2 are circuit diagrams of the surge protection units 2A, 2B in the embodiment of the present application.
  • the operating current of the LED street lamp and the light controller 1 is not subjected to the temperature protection of the surge protection component in the differential protection between the LN, that is, the temperature fuse, but when the temperature fuse is disconnected, the LED street lamp
  • the operating current of the LED street light and the light controller 1 passes through the temperature protection of the differential protection device protected by the differential mode between the LN, that is, the temperature fuse. When the temperature fuse is disconnected, the LED The street light is disconnected from the power supply and stops working.
  • FIGS. 2 and 2a are schematic diagrams showing the appearance and structure of a light controller with a surge protection function according to the first embodiment of the present application.
  • the visible light controller unit 1 As shown in the figure, from top to bottom, the visible light controller unit 1, the surge protection unit 2A built in the light controller unit 1, and the bottom of the light controller The seat 3, wherein the surge protection unit 2A is integrated in the light controller unit 1 and used together with the light controller base 3 to form a light controller with a surge protection function.
  • the existing standard light controller unit 1 and the existing standard light controller base 3 are used, and the two are plugged and connected by the plug to realize versatility.
  • the light controller unit 1 includes a housing 101, a PCB board 102 with a light control circuit, three sets of electrical connectors 103, a bottom cover 104, and a plug 105.
  • the housing 101 is disposed above the base 104, between the housing 101 and the base 104.
  • the bottom cover 104 is further provided with three sets of electrical connectors 103, and a standardized plug 105, that is, a first plug, is mounted under the bottom cover 104, and the first plug 105 is preferably three metal pieces.
  • the output end of the PCB board 102 with the light control circuit is electrically connected to the three metal pieces of the plug 105 through three sets of electrical connectors 103, respectively.
  • a surge protection unit 2A is further disposed in the accommodation space between the outer casing 101 and the base 104 of the light controller unit 1, specifically, on the PCB board 102 with the light control circuit.
  • the power phase (Lin, Lout) and neutral (N) terminals of the surge protection unit 2A are connected in parallel to the input of the light controller unit 1 using a printed circuit board (PCB).
  • the surge protection unit 2A includes a cylindrical casing 201A, a PCB board 102 shared with the light control circuit, and a closed cavity formed by the cylindrical casing and the PCB board 102.
  • FIGS. 4 and 4a are schematic diagrams and top views of a light controller with a surge protection function according to a second embodiment of the present application.
  • the light controller unit 1, the surge protection unit 2B, and the light controller base 3 are visible from top to bottom.
  • the internal structure and function of the light controller unit 1 and the structure and function of the light controller base 3 are the same as those in the first embodiment.
  • the surge protection unit 2B is not integrated in the light controller.
  • the unit 1 is connected to the light controller unit 1 and the light controller base 3 through the connecting members disposed thereon, and the three are combined by the plug and the socket to form a three-layer superimposed structure, and the light control is performed.
  • the unit 1 and the base 3 can employ standard light controller assemblies that are common in the art.
  • FIG. 5 is a schematic diagram showing the internal structure of the surge protection unit 2B in the second embodiment.
  • the surge protection unit 2B includes an upper cover 201B and a lower cover 202, and a surge protection member is provided in a sealed space between the upper cover 201B and the lower cover 202.
  • the upper cover 201B and the lower cover 202 can be made of engineering plastic materials with the flame retardant grade conforming to UL94V0 grade, and the UL94V0 flame retardant grade and high temperature resistant insulating potting material can be filled between the two to achieve Insulation effect.
  • the upper cover 201B and the lower cover 202 are matched and fixedly connected as a whole.
  • the whole is in the form of a cake, but is not limited thereto, and may be formed into any shape as needed.
  • the upper cover 201B and the lower cover 202 may be fixedly connected by any means known to those skilled in the art, such as: arranging a card protrusion, a card slot or an inner and outer thread on the upper and lower covers, and the like.
  • the connection is made by way of non-detachable means such as bonding, riveting, welding, etc., and is not limited thereto.
  • the upper cover 201B and the lower cover 202 are connected by screws and nuts. Specifically, central holes 221 and 222 are respectively disposed in the central areas of the upper cover 201B and the lower cover 202, and the screws 217 pass through the upper cover. The central hole 221 and the lower cover central hole 222 are fastened with a nut 218 at the bottom of the lower cover 202. Further, a waterproof pad 216 may be further provided for sealing. There are three through holes 220 in the upper cover 201B. The fan-shaped area shown in FIG. 5 is the through hole 220, and the three through holes respectively correspond to the three metal pieces of the plug 105 of the light controller unit 1, so that the plug 105 is provided.
  • one end of the incoming end "Lin" electrical connector 208 is a female socket end 208A which is formed by bending an elastic metal piece.
  • the socket end 208A corresponds to the receiving through hole
  • the inserted plug 105 is 220, thereby enabling the insertion of the light controller unit 1 and the surge protection unit 2B.
  • the opposite end of the electrical connector 208 is a formula plug end 208B extending downward from the lower cover 202.
  • the plug end 208B is identical to the plug 105 for insertion into the socket 301 of the light controller base 3, The plugging of the surge protection unit 2B and the light controller base 3 is realized.
  • the female socket end 208A and the formula plug end 208B are connected by electric resistance welding or riveting, or may be integrally formed according to actual needs.
  • grounding wire (PE) end of the surge protection unit 2B two symmetrical elastic grounding connectors 4 are also provided for connecting the grounding wire (PE) end of the surge protection unit 2B.
  • the structure and the number of the grounding connector 4 are the same as those of the first embodiment, and refer to FIG. 3.
  • the three components of the grounding connector 4 are grounding rods 403,
  • the elastic member 402 and the grounding member lock cover 401 are sequentially loaded into the corresponding mounting through holes 219 on the lower cover 202, as shown in FIG.
  • the surge protection circuit also includes three surge protection components, each of which includes a varistor and a thermal protection device connected in series, and has a differential mode only, Common mode or simultaneous differential mode and common mode full mode protection; in addition, a gas discharge tube can be connected in series with the common mode protection varistor to isolate the leakage during normal operation of the protection ground.
  • the thermal protection device is a temperature protection detachment device, that is, a temperature fuse 210B.
  • the thermal protection device can also be implemented in any manner known to those skilled in the art including, but not limited to, mechanical tripping, thermal fuses, low melting alloys or bimetallic thermal disconnects.
  • the thermal protection device may be a mechanical thermal release device, a thermal fuse, a low melting point alloy disconnect device, a bimetal thermal circuit breaker or a current fuse, or a combination of any one or more of the above.
  • the three varistor 204B are respectively soldered between the electrode one 203B and the electrode two 205B, between the electrode two 205B and the electrode three 206B, between the electrode four 207B and the electrode three 206B; three temperature protection off devices are temperature fuses 210B is respectively connected to the electrode 203B, the electrode three 206B, and the electrode 207B, and each temperature protection detaching device, that is, one end of the temperature fuse 210B is electrically connected to the electrode; the electrode 205B is electrically connected to the neutral terminal "N" connector 215.
  • the temperature protection off device of the electrode three 206B that is, the other end of the temperature fuse 210B is electrically connected to the inlet end "Lin" connector 208; the discharge tube input connection line 212B respectively removes the temperature protection of the electrode 203B from the temperature fuse.
  • the other end of 210B, the other end of the temperature protection fuse 210 on the electrode 207B, and the other end of the discharge tube 214B are electrically connected; the other end of the discharge tube output connection line 213B and the discharge tube 214B, the grounding rod ejector 403 Electrical connections.
  • the plug 105 of the light controller unit 1 is aligned with the three through holes 220 of the upper cover 201B of the surge protection unit 2B, and Pressing down causes the plug 105 to pass through the through hole 220 and is inserted into the female socket end of the three electrical connectors 208, 211, 215, such as 208A, and in good contact therewith.
  • the formula plug end of the electrical connector 208, 211, 215 extending from the lower cover 202 of the surge protection unit 2B, such as 208B is aligned with the socket of the light controller socket 3.

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

Abstract

一种具有浪涌防护功能的光控器，包括光控器单元（1）、浪涌防护单元（2A，2B）和光控器底座（3），其中，在现有光控器单元和光控器底座的基础上，在光控器单元（1）内部集成一浪涌防护单元（2A）或者提供可插接的浪涌防护单元（2B），该浪涌防护单元（2A，2B）与光控器单元的电源相线（Lin）端和零线（N）端并联，该浪涌防护单元（2A，2B）的接地线（PE）端通过接地连接件（4）与对应设置在光控器底座（3）上的导电件连接，该导电件与大地连接。将光控器与浪涌防护功能合二为一，能够有效泄放浪涌电流，抑制浪涌电压，并且易于安装和更换，降低后期维护费用。

Description

具有浪涌防护功能的光控器 技术领域
本申请涉及一种光控器，尤其涉及一种具有浪涌防护功能的光控器。
背景技术
近年来，随着全球经济的快速发展，能源需求大幅增加，能源供需矛盾日益突出，节能减耗愈加重要。国内的路灯照明目前运行控制方式有专用控制线、带负荷控制线、时控等控制方式，而传统路灯照明控的制方式多为集中控制或定时控制，这样就造成电能的损耗。在这大背景下，出现一种更加有效节能的控制方式——光控。光控原理是基于光敏元器件对光源的强弱变化而达到控制照明电源通断的，达到对照明电源最节能的控制。而光控器安装在灯具之外，采用快速插接安装，可在带电情况下操作，安装或更换时只需一人作业，只需数分钟即可完成，极大的降低了维护费用。
随着LED(Light-Emitting Diode，发光二极管)路灯的广泛应用，光控器和LED照明是路灯照明系统节能降耗的双引擎，光控器位于灯具的顶端，并且在驱动电源的前端，具有安装更换简单快捷的特点；由于LED路灯及光控器对过电压和浪涌电流极其敏感，在没有可靠的防护措施下，往往由于雷暴或雷电过电压会造成整片或整个路灯照明系统的瘫痪，带来重大的经济损失和安全隐患，浪涌防护器已成为光控器、LED驱动器、LED光源抗浪涌的必备装置。
浪涌防护器在履行了保护光控器、LED驱动器、LED光源的安全职责时，在较长时间的浪涌袭击下容易损坏，须经常更换，目前LED路灯浪涌保护器多数安装在灯具内部，而LED路灯灯具通常安装在高度5-10m的灯杆上端，使得浪涌保护器的安装和更换需要使用升降车进行高空作业，且须在停电状态下才能更换浪涌保护器，时间长达1小时之久，安装维护费用很高，负责安装维护的工作人员的工作安全性较低。
发明内容
本申请的目的之一在于解决现有技术中面临的问题，提供一种将光控器和浪涌防护器功能相结合的器件，既可实现对照明能耗管理，又能提供雷电和浪涌防护功能，同时改变浪涌保护器安装、维护费用高的难题，从而在光控照明的节能降耗上做出贡献，并提高照明系统的使用寿命和安全性；特别是大为降低安全维护的高空复杂性和危险性，提高了维护人员的 生命安全。
本申请提出了一种具有浪涌防护功能的光控器。该光控器由光控器单元、浪涌防护单元、光控器底座三部分组成，其中，光控器单元包括外壳、光控电路、底盖及插头，该外壳设于底盖上方，光控电路设于外壳与底盖之间的容纳空间内，底盖下方安装有第一插头，光控电路的输出端与第一插头电连接。浪涌防护单元包括一密闭腔体，在该密闭腔体内设有浪涌防护电路，该浪涌防护电路包括至少一个保护部件，浪涌防护单元根据不同数量的保护部件设计为差模、共模或全模方案。每个保护部件的制成方法有四种，即单独采用压敏电阻、采用电流保险丝与压敏电阻串联、采用热保护器件与压敏电阻串联、采用电流保险丝、热保护器件与压敏电阻串联，四种方法的安全性由较低、一般、优秀、特优递增，本申请优先采用第三种方法制成浪涌防护部件；必要时在共模防护的浪涌防护部件上串联气体放电管，隔离对地的漏电流。光控器底座设有对应于插头的插座。浪涌防护单元与光控器单元的的电源相线(Lin)端和零线(N)端并联，该浪涌防护单元的接地线(PE)端通过至少一个接地连接件与对应设置在光控器底座上的导电件连接，该导电件与大地连接。
作为优选方案，该接地连接件包括依次接触连接的接地件锁盖、弹性元件和接地件顶杆；以及设置在光控器底座上的接地导电件为光控器底座上的安装螺钉，其中，接地连接件的接地件顶杆与安装螺钉的头部接触连接。在本申请中，设置接地连接件的目的是，使得光控器单元的插头与光控器插座插接时，接地连接件的接地件顶杆可以利用弹性元件的弹力与安装螺钉形成良好的电接触，从而利用固定光控器插座壳体的安装螺钉压接接地线与大地连接，形成浪涌电流泄放通路。
一方面，本申请提出了一种内置式结构，其中，浪涌防护单元整体集成在光控器单元内部，形成一整体，安装时只需将光控器单元的插头与光控器底座的插座插接。这种内置式结构，在现有光控器单元内增设了浪涌防护单元。因此，本申请的光控器单元内可分为两个区域，一个区域用于设置采用浪涌防护部件设计为差模、共模或全模方案的浪涌防护单元；另一个区域用于设置光控器电路，使其具备传统意义上光控器的功能。具体地，该浪涌防护单元设置在光控器单元内的带光控电路的PCB(Printed circuit board，电路板)板上，与光控器单元共用PCB板。此外，在光控器单元的底盖上还设有弹性的接地连接件，该接地连接件的位置及数量均与光控器底座固定壳体的安装螺钉对应。当光控器单元的插头插入至光控器底座安装完成时，利用弹力与该安装螺钉形成良好的电接触，该接地连接件在光控器内部与浪涌防护单元的(PE)端连接，形成浪涌电流对大地泄放的通路。
另一方面，本申请提出了一种转接式结构，在不对光控器单元及光控器插座内部结构作任何修改的前提上，将浪涌防护单元制作成独立整体，并放置于光控器单元和光控器底座之 间。该独立整体式的浪涌防护单元上通过其上设置的一连接件与光控器单元连接构成一整体，该连接件包括母式插座端以及公式插头端。安装时，光控器单元的插头与独立整体式的浪涌防护单元中连接件的母式插座端插接，并且独立整体式的浪涌防护单元中连接件的公式插头端与光控器底座的插座插接。连接件的设置，使得独立整体式的浪涌防护单元具备转接功能，从而能够成功将光控器单元与独立整体式的浪涌防护单元两者结构上是分开的、而功能上却是合二为一。在这种转接式结构中，为了使独立整体式的浪涌防护单元正常工作，必须设置接地连接件，用来连接独立整体式的浪涌防护单元的(PE)端，形成浪涌电流对大地泄放的通路。这种方式除了具有集成时方案的优点外，还能够分开并快速更换独立整体式的浪涌防护单元和光控器单元，从而大大降低了后期维护和更好器件的费用。
此外，本申请的转接式结构中，独立整体式的浪涌防护单元呈饼状结构，其包括上盖、下盖、及位于上盖和下盖之间的密闭腔体，上盖与下盖固定连接成一整体，上盖上设有供光控器单元中插头插入的通孔。其中，上、下盖之间可以采用本领域内技术人员所熟知的任何方式进行连接，如：在上、下盖上设置卡凸、卡槽或内、外螺纹等可拆卸的方式来连接，或者利用粘接，铆接，焊接等不可拆卸的方式来连接，不局限于此。
作为一种优选的方案，上、下盖之间可采用螺钉和螺母来固定连接，具体为：上盖设有上盖中心孔，下盖设有下盖中心孔，螺钉依次贯穿上盖中心孔及下盖中心孔，下盖底部还设置防水垫并配以螺母紧固。
作为一种优选的方案，本申请中浪涌防护单元内设有至少一个防护部件，每个防护部件包括相互串联的一个压敏电阻及至少一个热保护器件。作为优选地，必要时可以在共模防护的压敏电阻上串联气体放电管，隔离对地的漏电流。
上述至少一个热保护器件可以是机械式的热脱离装置；可以是温度保险丝的脱离方式；可以是低熔点合金形成的断开装置；可以是双金属热断路器；可以是电流保险丝；也可以是上述任意一种或两种以上热保护器件的串联组合。本申请中采用温度保险丝的过温保护方式进行热保护，具体实施方式采用“设有合金型温度保险丝的压敏电阻”的技术实施。
在浪涌防护单元内的浪涌防护电路采用热保护功能的压敏电阻组成，在本申请中，该浪涌防护电路具体包括三个防护部件，每个防护部件包括相互串联的压敏电阻和温度保险丝，还包括四个电极及放电管，其中，三个压敏电阻分别设置在电极一与电极二之间，电极二与电极三之间，电极三与电极四之间；三个温度保险丝分别在电极一、电极三、电极四之上，温度保险丝一端与其所在电极电气连接；以及电极二与零线(N)端连接件电气连接；电极三上温度保险丝的另一端与进线(Lin)端连接件电气连接。放电管输入极连接线分别将电极一上温度保险丝的另一端、电极四上温度保险丝的另一端、放电管的一端进行电气连接；放 电管输出极连接线与放电管的另一端、接地件顶杆电气连接。
本申请的有益效果是：通过设置集成式或转接式的浪涌防护单元，使光控器在光控照明控制的同时，还具备浪涌电压和浪涌电流的防护功能。在本申请中，弹性接地连接件与光控器底座上的插座上安装螺钉的接触连接，形成了浪涌电流对大地泄放的通路；插接式连接件的设置，实现了浪涌防护单元的简单安装和更换，以及浪涌防护单元与光控单元的分开更换；同时改变浪涌保护器安装、维护费用高的难题，从而在光控照明的节能降耗上做出贡献，并提高照明系统的使用寿命和安全性；特别是大为降低安全维护的高空复杂性和危险性，提高了维护人员的生命安全；浪涌防护单元内电路的不同模式连接，实现了LED照明电源系统的共模、差模、全模的保护要求。
鉴于技术模式应用的价值，本申请的核心点为浪涌防护单元可制成被内置到小型电子设备中的模式或可快速更换的转接模式，不仅限于应用在LED路灯和光控器产品，也可被应用到其他小型电子电气设备，如声控器、监控器等。
附图说明
参考下面附图，对本申请作进一步说明，其中：
图1a是本申请实施例一所述一种具有浪涌防护功能的光控器的内置式原理框图；
图1b是本申请实施例二所述一种具有浪涌防护功能的光控器的饼状转接式原理框图；
图2是本申请实施例一的外观示意图；
图2a是本申请实施例一的结构示意图；
图2b-1、2b-2是本申请实施例的浪涌防护单元的全模保护电路图；
图2c是本申请实施例一的浪涌防护单元结构示意图；
图3是本申请中接地连接件的结构示意图；
图4是本申请实施例二的外观示意图；
图4a是本申请实施例二的俯视图；
图5是本申请实施例二中浪涌防护单元的内部构成图；
图6是本申请实施例二中浪涌防护单元的部件实物连接示意图。
在本文中，相同的附图标记表示相同的部件，在描述具体附图时，并非所显示的所有部件或元件都需要随相应的附图一起讨论。其中，附图标记如下：
1---光控器单元；101---外壳；102---带光控电路的PCB板；103---电气连接件；104---底盖；105---插头；106---接地连接件4的安装通孔；
2A、2B---浪涌防护单元；201A、201B---上盖；202---下盖；203A、203B---电极一；204A、204B---三片压敏电阻；205A、205B---电极二；206A、206B---电极三；207A、207B---电极四；208---进线端L连接件；208A---进线端L连接件的母式插座端；208B---进线端L连接件的公式插头端；403---接地件顶杆；210A、210B---三个温度保护脱离装置，即温度保险丝；211---负载端L连接件；211A---负载端L连接件的母式插座端；211B---负载端L连接件的公式插头端；212B---放电管输入极连接线；213B---放电管输出极连接线；214A、214B---放电管；215---零线端N连接件；215A---零线端N连接件的母式插座端；215B---零线端N连接件的公式插头端；216---防水垫；217---螺钉；218---螺母；219---安装通孔；220---光控器插孔；221---上盖中心孔，222---下盖中心孔
3---光控器底座；301---插座；302---安装螺钉；303---安装螺母；304---孔
4---接地连接件；401---接地件锁盖；402---弹簧；403---接地件顶杆。
具体实施方式
在下文中，将参照附图以实施例的方式对本申请进行更加全面的描述，其中仅示出了一些实施例。但本申请在实际应用中可以体现为多种不同的形式，不应该局限于本文中所提出的实施例，提供这些实施例的目的是为了更好地理解本申请。
图1a、图1b是分别为本申请实施例一、实施例二中所述的具有浪涌防护功能的光控器的原理框图，其可应用于LED路灯电源上。如图1a、图1b所示，本申请的这种光控器包括光控器单元1、浪涌防护单元2A、2B和光控器底座3。其中，浪涌防护单元2A、2B与光控器单元1的电源相线(Lin)端、零线(N)端并联，浪涌防护单元2A、2B的接地线(PE)端通过接地连接件4与光控器底座3上的导电件连接，该导电件通过导线与大地连接，从而形成具有浪涌防护功能的光控器。
图2b-1、图2b-2是本申请实施例中的浪涌防护单元2A、2B的电路图。图2b-1所示，LED路灯及光控器1的工作电流不经过L-N之间差模保护的浪涌防护部件中的温度保护脱离装置即温度保险丝，但此温度保险丝断开时，LED路灯照常工作；图2b-2所示，LED路灯及光控器1的工作电流经过L-N之间差模保护的浪涌防护部件中的温度保护脱离装置即温度保险丝，此温度保险丝断开时，LED路灯即断开电源停止工作。
实施例一
图2和图2a是本申请实施例一的具有浪涌防护功能的光控器的外观与结构示意图。如图所示，由上到下依次可见光控器单元1、内置于光控器单元1的浪涌防护单元2A及光控器底 座3，其中，浪涌防护单元2A整体集成在光控器单元1之内，再配合光控器底座3来使用，构成具有浪涌防护功能的光控器。在本实施例中，采用现有的标准光控器单元1以及现有的标准光控器底座3，两者通过插头与插座插接结合，实现通用性。
光控器单元1包括外壳101、带光控电路的PCB板102、三组电气连接件103、底盖104、插头105，具体为：外壳101设置于底座104上方，外壳101和底座104之间构成一容纳空间，在该容纳空间内设有带光控电路的PCB板102，该PCB板102除包含实现光控功能的电路之外，还留有空地用于设置浪涌防护单元2A；在底盖104上还设有三组电气连接件103，在底盖104下方安装有标准化的插头105即第一插头，该第一插头105优选为三块金属片。带光控电路的PCB板102的输出端通过三组电气连接件103分别电连接至插头105的三块金属片。
如图2a所示，在该光控器单元1的外壳101和底座104之间的容纳空间内还设有浪涌防护单元2A，具体为设置在带光控电路的PCB板102上。该浪涌防护单元2A的电源相线(Lin，Lout)端和零线(N)端利用印制电路板(PCB)并联在光控器单元1的输入端。在本实施例一中，如图2c所示，浪涌防护单元2A包括筒状壳体201A、与光控电路共用的PCB板102以及由筒状壳体和PCB板102组成一密闭腔体，该筒状壳体采用阻燃等级符合UL94V0级的工程塑料材料制成，并使浪涌防护单元2A内部的浪涌防护部件与光控器单元1上的电子零件从电气上绝缘隔离，减小整个产品的体积，在该密闭腔体内封装有浪涌防护电路，同时，在该密闭腔体内填充具有UL94V0阻燃等级、耐高温的绝缘灌封材料。因此，该浪涌防护单元2A可以整体接入至光控器单元1内长时间使用。
在本实施例一中，浪涌防护单元的浪涌防护电路，根据需要可以形成具有仅差模、仅共模或同时差模和共模的全模保护方式；作为本实施例的典型设计可采用全模保护，包括三个防护部件，每个防护部件均包括相互串联的一压敏电阻及一热保护器件，该热保护器件可为温度保险丝。此外，还可根据需要在共模防护的压敏电阻上串接一个气体放电管，用来隔离对保护地的正常工作时的漏电流。在本实施例中，热保护器件在压敏电阻劣化失效和承受暂时过电压时及时切断电路，防止压敏电阻起火，除了本申请中采用温度保险丝来实施外，还可以采用本领域技术人员熟知的任意一种方式来实施，包括但不局限于机械脱扣方式、温度保险丝、低熔点合金或双金属热断路等方式。
在本实施例一的浪涌防护单元，所设置的热保护器件作为压敏电阻的失效保护，采用“设有合金型温度保险丝的压敏电阻”的技术实施。具体为：三个压敏电阻204A表面焊接有电极205A、206A、207A，三个温度保险丝210A则以最短热导路径效果通过电极205A、206A、207A分别与三个压敏电阻204A形成电气各自串联后即为浪涌防护部件。三个浪涌防护部件的引线焊接在PCB板102上，共模防护的浪涌防护部件上串接一个气体放电管214A。
光控器底座3包括一圆柱形主体，在主体中间设有三个卡槽/插孔，这三个卡槽/插孔构成该光控器底座上的插座301，用来与光控器单元1的插头105匹配和插接。在主体边缘沿其圆周方向设置至少一个孔304，供安装螺钉302装入并配以安装螺母303来旋紧，该安装螺钉302用于固定光控器底座，同时还通过导线与大地连接；安装螺钉302的头部可制成电气触点形状成为接地导电件，并与接地连接件4形成良好的电气连接，且头部的边缘设有可形成旋紧扭力的菱角。在本实施例中，安装螺钉302的数量可根据实际需要设置为一个或多个，优选地设有两个对称设置的安装螺钉，但并不局限于此。
在本实施例中，当浪涌防护单元2A整体集成于光控器单元1内时，由于浪涌防护单元2A除了电源相线(Lin，Lout)端、零线(N)端外，还必须设有接地线(PE)端。因此，在申请中还在光控单元1的底盖104上增设了至少一个弹性的接地连接件4，用于连接浪涌防护单元2A的接地线(PE)端。该接地连接件4所设置的位置及数量应与光控器底座3上的安装螺钉302的位置及数量相对应。接地连接件的数量可根据实际需要设置，如一个或多个，在本实施例中，优选地设有两个对称设置的接地连接件4，但并不局限于此。
接地连接件4的具体结构请参照附图3，其包括依次接触连接的接地件锁盖401、弹性元件402、接地件顶杆403，在本申请中弹性元件402可以是本技术领域内可使用的任意弹簧，如拉伸弹簧、压缩弹簧、扭转弹簧、弯曲弹簧等等，还可以是其他由弹性材料构成的元件。将该接地连接件4的三个部件接地件顶杆403、弹性元件402、接地件锁盖401依次装入底盖104上相应的安装通孔106中。
使用时，将带有浪涌防护单元2A的光控器单元1的插头105对准光控器底座3的插座301，并向下按压，使得插头105与插座301正常插接，从而使光控器单元1内的光控电路102导通，具备传统意义上的光控器功能。在插头105安装完成的同时，接地连接件4的接地件顶杆403末端利用弹性元件的弹力与光控器底座3的安装螺钉302的头部接触形成良好的电连接，从而使浪涌防护单元2A的接地线(PE)端通过接地连接件4、安装螺钉302与大地导通，在浪涌产生时将其通过安装螺钉302所连接的导线引入大地，从而形成浪涌防护，具备浪涌防护器的功能。
本实施例一在不改变传统光控器功能的前提下，在标准光控器单元内部增设浪涌防护单元，并增设接地连接件来实现浪涌防护单元的接地线(PE)端与大地的连接，形成浪涌电流对地泄放通路，从而构成本申请所述的具有全模浪涌防护功能的光控器。由于浪涌防护单元整体集成在光控器单元之内，两者功能合二为一，但并未改变光控器的安装方式，因此，本申请所述的具有浪涌防护功能的光控器可以像普通光控器一样，采用快速插接的安装方式，直接安装在灯具之外。这样，更换时可不切断电源，只需一人作业，省时省力，尤其在欧美 等人工费较高的国家，极大地降低了后期维护费用，并提高了工作人员的操作安全性。
实施例二
由于本申请实施例一的浪涌防护单元2A整体集成在光控器单元1之内，导致光控器或浪涌防护单元中任一部分损坏时必须更换整个组件，如果仅是浪涌防护单元因浪涌连续袭击的劣化或暂时过电压的破坏需要更换，此时就没有一起更换光控器的必要，以减少浪费，为解决这些问题，本申请还提出了第二种实施例。
图4、图4a示出了本申请实施例二的具有浪涌防护功能的光控器的外观示意图及俯视图。在图中，从上到下依次可见，光控器单元1，浪涌防护单元2B，光控器底座3。其中，光控器单元1的内部结构及功能、光控器底座3的结构及功能均与实施例一相同，但在本实施例二中，浪涌防护单元2B并未整体集成在光控器单元1内，而是通过设置于其上的连接件分别与光控器单元1和光控器底座3插接，这三者通过插头与插座插接结合的方式形成三层叠加结构，光控器单元1与底座3可采用本领域内通用的标准光控器组件。
图5为本实施例二中浪涌防护单元2B的内部结构示意图。如图5所示，该浪涌防护单元2B包括上盖201B和下盖202，在上盖201B和下盖202之间的密闭空间内设有浪涌防护部件。为保证绝缘要求，可采用阻燃等级符合UL94V0级的工程塑料材料制做上盖201B和下盖202，还可以在两者之间填充UL94V0阻燃等级、耐高温的绝缘灌封材料，以达到绝缘效果。使用时，将上盖201B和下盖202匹配并固定连接成一整体，如图所示，该整体呈饼状，但不局限于此，可根据需要制成任意形状。此外，上盖201B和下盖202之间可以采用本领域内技术人员所熟知的任何方式进行固定连接，如：在上、下盖上设置卡凸、卡槽或内、外螺纹等可拆卸的方式来连接，或者利用粘接，铆接，焊接等不可拆卸的方式来连接，不局限于此。
在本实施例二中，上盖201B和下盖202通过螺钉和螺母的方式连接，具体为：在上盖201B、下盖202的中心区域分别设置中心孔221、222，螺钉217穿过上盖中心孔221及下盖中心孔222，并在下盖202底部配以螺母218紧固，此外，还可以设置防水垫216进一步密封。上盖201B内还设有三个通孔220，如图5所示的扇形区域即为通孔220，三个通孔分别对应于光控器单元1插头105的三块金属片，从而使插头105可以插入插孔220与浪涌防护单元2B的连接件插接。下盖202内设有三个电气连接件208，211，215，分别为：进线端(Lin)连接件208，负载端(Lout)连接件211，零线端(N)连接件215。三个电气连接件208，211，215的结构相近，形状基本一致，但为了防止L，N端误接，可将其中一个连接件(例如N端)的插头尺寸设置的略大些。以进线端“Lin”电气连接件208为例，如图5所示，进线端“Lin”电气连接件208的一端是由弹性金属片折弯成型的母式插座端208A，该母式插座端208A对应接收从通孔 220插入的插头105，从而实现光控器单元1与浪涌防护单元2B的插接。而电气连接件208相对的另一端则是从下盖202向下延伸出的公式插头端208B，该公式插头端208B与插头105完全相同，用于插入至光控器底座3的插座301内，实现浪涌防护单元2B与光控器底座3的插接。此外，母式插座端208A与公式插头端208B之间通过电阻焊或铆接方式连接，或者根据实际需要也可以一体成型。
本实施例二同样也设置了两个对称的弹性接地连接件4，用于连接浪涌防护单元2B的接地线(PE)端。该接地连接件4的结构、数量与实施例一相同，参照附图3；与实施例一不同的是，在本实施例二中，该接地连接件4的三个部件接地件顶杆403、弹性元件402、接地件锁盖401依次装入位于下盖202上相应的安装通孔219中，如图5所示。
在本实施例二中，浪涌防护电路同样也包括三个浪涌防护部件，每个浪涌防护部件均包括串联一起的一压敏电阻及一热保护器件，根据需要形成具有仅差模、仅共模或同时差模和共模的全模保护方式；此外，还可根据需要在共模防护的压敏电阻上串接一个气体放电管，用来隔离对保护地的正常工作时的漏电流。在本实施例中，热保护器件为温度保护脱离装置即温度保险丝210B。该热保护器件还可以采用本领域技术人员熟知的任意一种方式来实施，包括但不局限于机械脱扣方式、温度保险丝、低熔点合金或双金属热断路等方式。所述热保护器件可以是机械式热脱离装置、温度保险丝、低熔点合金断开装置、双金属热断路器或电流保险丝，或上述任意一种或两种以上的串联组合。
图6详细示出了图5中浪涌防护单元2B电路部分的实物连接示意图。如图6所示，三个浪涌防护部件与放电管以平铺的方式置于上盖201B和下盖202之间的密闭空间内，浪涌防护电路包括：电极一203B、三片压敏电阻204B、电极二205B、电极三206B、电极四207B、三个温度保护脱离装置即温度保险丝210B、放电管输入极连接线212B、放电管输出极连接线213B、放电管214B。其中，三片压敏电阻204B分别焊接在电极一203B与电极二205B之间，电极二205B与电极三206B之间，电极四207B与电极三206B之间；三个温度保护脱离装置即温度保险丝210B分别在电极一203B、电极三206B、电极四207B之上，每个温度保护脱离装置即温度保险丝210B一端与所在电极有电气连接；电极二205B与零线端“N”连接件215电气连接；电极三206B上的温度保护脱离装置即温度保险丝210B的另一端与进线端“Lin”连接件208电气连接；放电管输入极连接线212B分别将电极一203B上温度保护脱离装置即温度保险丝210B的另一端、电极四207B上温度保护脱离装置即温度保险丝210的另一端、放电管214B的一端进行电气连接；放电管输出极连接线213B与放电管214B的另一端、接地件顶杆403电气连接。
使用时，将光控器单元1的插头105对准浪涌防护单元2B上盖201B的三个通孔220，并向 下按压，使得插头105穿过通孔220，分别插入至三个电气连接件208，211，215的母式插座端如208A，并与之良性接触。在光控器单元1的插头105安装完成后，将从浪涌防护单元2B的下盖202延伸出的电气连接件208，211，215的公式插头端如208B对准光控器插座3的插座301，并向下按压，使得公式插头端与插座301正常插接，从而使光控器单元1内的光控电路102导通，具备传统意义上的光控器功能；同时，接地连接件4的接地件顶杆403末端利用弹性元件402的弹力，与光控器底座3上安装螺钉302的头部接触，形成良好的电连接，从而使浪涌防护单元2B的接地线(PE)端通过接地连接件4、安装螺钉302与大地导通，在浪涌产生时能够将其通过安装螺钉302所连接的导线引入大地，使其具备全模浪涌防护器的功能。
本实施例二不仅没改变传统光控器的功能，也没对光控器的结构作任何改动，仅需将光控器上的锁紧螺钉改造成具有良好接触导电性能，并连接至大地，在现有的光控器单元和光控器底座之间增设浪涌防护单元，并通过设于浪涌防护单元上的插接式电气连接件以及接地连接件，实现了浪涌防护功能，并有助于光控器和浪涌防护单元的简易安装和灵活更换。这种结构使得实施例二不仅具备实施例一的快速插接、直接安装等优势，还解决了实施例一中光控器单元和浪涌防护单元不能分开更换的问题，而通过浪涌防护单元内作不同的电气连接，实现了对LED照明电源系统的共模、差模、全模的保护要求。
对于本领域技术人员而言，很容易想到本申请的多种修改和其他实施方式，本申请在前述说明书和相关的附图中所示出的内容具有有益的技术启示。因此，本申请不局限于所公开的特定实施例，还意图包括所附权利要求范围内所请求保护的多种修改和其他实施方式。尽管本文中使用了一些特定术语，但它们是仅用于通用和描述性的意义，并且不构成限制。

Claims (9)

  1. 一种具有浪涌防护功能的光控器，包括光控器单元(1)、浪涌防护单元(2A，2B)及光控器底座(3)，其中，
    所述光控器单元(1)包括插头(105)，所述光控器底座(3)包括对应于插头(105)的插座(301)；
    其中：所述光控器单元(1)与所述浪涌防护单元(2A，2B)连接构成一整体，构成的所述整体与所述光控器底座(3)连接；
    所述浪涌防护单元(2A，2B)与光控器单元(1)的电源相线(L in)端和零线(N)端并联，所述浪涌防护单元(2A，2B)的接地线(PE)端通过至少一个接地连接件(4)与对应设置在所述光控器底座(3)上的导电件连接，所述导电件与大地连接。
  2. 根据权利要求1所述的一种具有浪涌防护功能的光控器，其中，所述接地连接件(4)包括依次接触连接的接地件锁盖(401)、弹性元件(402)和接地件顶杆(403)；
    所述导电件是光控器底座(3)上的安装螺钉(302)；以及
    所述接地连接件(4)的接地件顶杆(403)与所述安装螺钉(302)的头部接触连接。
  3. 根据权利要求1或2所述的一种具有浪涌防护功能的光控器，其中，所述浪涌防护单元(2A)集成在所述光控器单元(1)内部构成一整体，所述光控器单元(1)的插头(105)与所述光控器底座(3)的插座(301)插接。
  4. 根据权利要求3所述的一种具有浪涌防护功能的光控器，其中，所述浪涌防护单元(2A)设置在所述光控器单元(1)内带光控电路的PCB板(102)上。
  5. 根据权利要求1或2所述的一种具有浪涌防护功能的光控器，其中，所述浪涌防护单元(2B)放置在所述光控器单元(1)和所述光控器底座(3)之间，通过其上设置的一连接件(208，211，215)与所述光控器单元(1)连接构成一整体。
  6. 根据权利要求5所述的一种具有浪涌防护功能的光控器，其中，所述连接件(208，211，215)包括母式插座端(208A，211A，215A)及公式插头端(208B，211B，215B)，安装时，所述光控器单元(1)的插头(105)与浪涌防护单元(2B)中连接件(208，211，215)的母式插座端(208A，211A，215A)插接，并且所述浪涌防护单元(2B)中连接件(208，211，215)的公式插头端(208B，211B，215B)与所述光控器底座(3)的插座(301)插接。
  7. 根据权利要求2所述的一种具有浪涌防护功能的光控器，其中，所述浪涌防护单元(2A，2B)内设有至少一个防护部件，每个防护部件包括相互串联的一个压敏电阻及至少一个热保护器件。
  8. 根据权利要求7所述的一种具有浪涌防护功能的光控器，其中，所述热保护器件可以是机械式热脱离装置、温度保险丝、低熔点合金断开装置、双金属热断路器或电流保险丝，或上述任意一种或两种以上的串联组合。
  9. 根据权利要求7所述的一种具有浪涌防护功能的光控器，其中，所述压敏电阻上还串接一个气体放电管。
PCT/CN2015/072238 2014-03-31 2015-02-04 具有浪涌防护功能的光控器 WO2015149585A1 (zh)

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