WO2005071307A1 - Lampe de table portable - Google Patents

Lampe de table portable Download PDF

Info

Publication number
WO2005071307A1
WO2005071307A1 PCT/CN2004/001100 CN2004001100W WO2005071307A1 WO 2005071307 A1 WO2005071307 A1 WO 2005071307A1 CN 2004001100 W CN2004001100 W CN 2004001100W WO 2005071307 A1 WO2005071307 A1 WO 2005071307A1
Authority
WO
WIPO (PCT)
Prior art keywords
base
head
lamp according
support rod
portable
Prior art date
Application number
PCT/CN2004/001100
Other languages
English (en)
French (fr)
Inventor
Jianping Cai
Original Assignee
Jianping Cai
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 Jianping Cai filed Critical Jianping Cai
Publication of WO2005071307A1 publication Critical patent/WO2005071307A1/zh

Links

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
    • F21S6/00—Lighting devices intended to be free-standing
    • F21S6/002—Table lamps, e.g. for ambient lighting
    • F21S6/003—Table lamps, e.g. for ambient lighting for task lighting, e.g. for reading or desk work, e.g. angle poise lamps
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S362/00—Illumination
    • Y10S362/80—Light emitting diode

Definitions

  • the utility model relates to a lighting lamp, in particular to a portable table lamp. Background technique
  • table lamps which are mainly composed of a base, a head, and a support rod connecting the base and the head.
  • the light source provided on the base includes an incandescent lamp body, a light lamp body, and the like.
  • table lamps use AC voltage, which is inconvenient to carry, and will cause stroboscopic flashes during use. Strobes can cause eye damage, and incandescent light bulbs and fluorescent tubes have a short service life, are fragile, and the brightness is not high.
  • the existing pole used in the table lamp is a flexible hose structure, but regardless of the lamp holder and the pole How to change the angle and bend, the lamp head, the pole and the base cannot always be tightly combined (for example, folded), occupying a large space in the process of transportation or carrying, which is very inconvenient.
  • the utility model provides a portable desk lamp, the main purpose of which is to solve the problems of the short life of the light source of the desk lamp in the prior art, and the use of alternating current as a power source to generate flicker.
  • a portable table lamp comprising a base, a head, and a support rod connecting the base and the head, wherein the head is provided with a base plate, a luminous body and an outer lamp cover,
  • the light-emitting body is a semiconductor light-emitting diode
  • the base, the head or the pole are provided with a battery box for providing a DC power source.
  • the bottom plate is provided with a plurality of holes arranged in a certain manner, and the semiconductor light emitting diode has a plurality of and is electrically connected to a circuit board, and is respectively embedded in each hole.
  • the hole is a tapered hole.
  • One end of the base is provided with a device for adjusting the turning on and off of different numbers of semiconductor light emitting diodes.
  • a charging jack is provided at one end of the base.
  • One end of the base is provided with a charging indicator and a discharge indicator.
  • the head and the support rod are connected by a first steering structure.
  • the base and the strut are connected by a second steering structure.
  • the first steering structure includes a threaded shaft connected to the head with two through holes, two bolts connected to the support rod, and the threaded shaft is threaded on it.
  • a friction plate, a disc spring, an anti-rotation washer, and a nut are connected to the head, and one of the bolts is threaded on the friction plate, a disc spring, an anti-rotation washer, and a nut It is connected with the threaded rotating shaft, and another bolt is connected with the threaded rotating shaft through a clamping spring sleeved on it.
  • the second steering structure includes a threaded shaft connected to the base and a shaft of the base, the threaded shaft is connected by a support rod that is sleeved on the threaded shaft, and the base shaft It is connected with the supporting rod through a limiting piece, a disc spring, and a nut which are put on it.
  • the supporting rod is a telescopic rod.
  • the telescopic rod is sleeved by at least two sleeves with different sizes.
  • a support rod groove for storing support rods is provided on the top surface of the base.
  • the utility model uses a semiconductor light emitting diode as a light emitting body, so it has high efficiency and energy saving (1/10 of the traditional power consumption), color light saturation, infinite color mixing, rapid switching, environmental protection, shock resistance, moisture resistance, and long service life ( 100,000 hours), green environmental protection (no mercury and other wastes), no radiation, less maintenance, and other obvious features;
  • a battery box is provided in the base for the battery to provide DC power, which is convenient for outdoor users It is used under the circumstances;
  • the steering structure is used to connect between the head and the pole, and between the base and the pole, so that the head of the desk lamp can change the angle with respect to the pole, and the pole can change the angle and distance with respect to the base;
  • a telescopic pole is sleeved by a sleeve, and a pole groove for storing a pole is provided on the top surface of the base, so that the lamp holder, the pole and the base can be tightly combined together, which is convenient for transportation or carrying around, and even Can be
  • FIG. 1 is a perspective view of an open state of the present invention
  • FIG. 2 is a perspective view of a folded state of the present invention
  • FIG. 3 is an exploded view of a base and a first steering structure of the present invention
  • Fig. 4 is an exploded view of a support rod of the present invention.
  • FIG. 5 is an exploded view of a base and a first steering structure of the present invention
  • FIG. 6 is an exploded view of a battery case in a base of the present invention.
  • FIG. 7 is a working principle diagram of the present invention. detailed description
  • the portable table lamp of this embodiment is composed of a base D, a head A, and a support rod B connecting the base D and the head A.
  • the head A and the support rod B are connected through a first steering structure C, and the base D and The strut B is connected by a second steering structure E.
  • the head A is composed of a cover 1, a circuit board 42 (including 28 semiconductor light emitting diodes connected to the circuit board, and 28 semiconductor light emitting diodes arranged in seven rows and four in each row) and a bottom plate.
  • the base plate 8 corresponds to 28 semiconductor light emitting diodes and is provided with 28 ⁇ -shaped holes.
  • the semiconductor light emitting diodes are correspondingly embedded in the tapered holes.
  • the first steering structure C is composed of a threaded shaft 35, It consists of two bolts (36, 37).
  • the tail of the threaded shaft 35 is a fixing piece 39.
  • the fixing piece 39 is provided with through holes on both sides.
  • the bolt 37 passes through the through hole of the fixing piece 39 from the outside to the inside.
  • the plate 30a, the disc spring 33a, and the bolt 34 are sequentially placed on the tail of the bolt 37 and tightened.
  • the bolt 36 passes through the through hole on the other side of the fixing plate 39 from the outside to the inside, and the spring 41 is placed on the tail of the bolt 37 and clamped. Tighten the friction piece 30b, the fixing piece 38 on the head end, the positioning meson 40, the disc spring 33b, the limiting piece 32a, and the nut 34 in order on the head of the threaded shaft 35 and tighten them.
  • the fixing piece 3 ⁇ is screwed 46 fastened to the head portion A, and C is the steering structure, the cover sheet 7 wrapped steering structure C such that the shape is more smooth appearance.
  • the support rod B is composed of an upper rod stopper (left and right) 6, an upper rod 3, a middle rod 4, a lower rod 5, two fixing pieces 31 and a lower rod plug 17, and the upper rod 3 and the middle rod 4 .
  • the upper rod plug 6 is clamped in the upper rod 3 and turned.
  • the two bolts 36, 37 to the structure C are respectively embedded in the upper rod plugs (left and right), thereby connecting the head A and the support rod B through the steering structure C, and the head A can use the threaded shaft 35 as an axis It can be rotated 360 degrees and can be fixed at a certain angle by the action of the cymbal spring 33b.
  • the head A and the steering structure C can also rotate at a large angle with the two bolts 36 and 37 as the axis. With the function of the disc spring 33a, the head A and the steering structure C can be fixed at a certain angle.
  • the second steering structure E is composed of a base rotating shaft 28 and a threaded rotating shaft 29.
  • a nut 34, a disc spring 33c, a limiting piece 32b, and a fixing piece 31 are sequentially threaded on the base rotating shaft 28 and tightened.
  • the bit piece 32c and another fixing piece 31 are sequentially threaded on the threaded shaft 29, and the base shaft 28 and the threaded shaft 29 are respectively embedded in the front end of the base D, thereby the steering structure E connects the support rod B and the base D,
  • the support rod B can be rotated at a large angle by using the base rotating shaft 28 and the thread-passing rotating shaft 29 as the axes.
  • the support rod B can be fixed at a certain angle; the front and rear ends of the bottom surface of the base D are respectively There are fixed feet 15 and fixed foot pads 16 at the lower part of the fixed feet 15.
  • the top surface of the base D is provided with a pole groove 2 for storing the pole B.
  • the rear end of the base D is sleeved with an end cover 11 and an end cover. 11
  • the switch board I 2 is set inside the base D.
  • a switch fixing block 14, a half shaft 13, and a switch rotating shaft 21 are arranged between the end cover 11 and the switch plate 12 in this order.
  • a switch copper is provided on the fixing block 14.
  • the switch 22 is provided with a switch spring 23 on the half shaft 13, a steel ball 27 is provided on the switch spring 23, and an outer cover 11 is provided with The rotary plug 20 connected to the switch rotating shaft 21 and the switch knob 19 wrapped outside the knob plug 20.
  • a battery box 9 having a shape matching the base D is provided inside the base D, and a battery positive and negative electrode sheet 24, a battery positive electrode sheet 25 and a battery are provided at a slot end of the battery box 9.
  • the negative plate 26 is also provided with a control board 43 connected to the switch board 12 in the box.
  • the control board 43 has two charging indicators.
  • the end cover 10 of the battery box 9 is provided for cooperation with the pull button 18 (upper and lower).
  • the buckle groove and the pull spring 48 are provided, and the panel of the end cover 10 is also provided with a light hole for exposing the charging indicator and the discharge indicator, and a charging jack for charging and charging the rechargeable battery.
  • the head A and the support rod B of the present utility model can be stored in the support rod groove 2, which greatly reduces the space occupied by the table lamp. , Easy to carry.
  • the working principle of the utility model is as follows: using external power sources (10.0V, 1.OA direct current) to charge 4 3V rechargeable batteries in the battery box, the voltage rises to 10V when fully charged, at this time, Turn the switch knob 19 to adjust the gear position through the cooperation of the switch shaft 21, the half shaft 13, the switch fixing block 14 and the control board 43.
  • 4 LEDs are on (12v, 20mA)
  • 12v, 100mA When adjusted to the 3 position, 28 LEDs are on (12v, 140raA).

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Description

便携式台灯 技术领域
本实用新型涉及照明灯具， 尤其涉及一种便携式台灯。 背景技术
现有的台灯种类繁多， 主 由底座、 头部以及连接底座和头部的 支杆组成,其设置在灯头上的发光源有白炽灯体、 曰光灯体等。但是, 此类台灯都采用交流电压， 携带不方便， 而且在使用曰寸会产生频闪， 频闪能对眼睛产生伤害， 并且白炽灯泡、 日光管具有使用寿命短、 易 碎、 发光亮度不高、 不柔和、 耗电等缺点； 此外， 为了使灯头能够相 对于支杆、底座变换角度和位置， 现有的台灯采用的支杆为一种可弯 曲的软管结构， 但是无论灯头和支杆如何变换角度和弯折， 灯头、 支 杆和底座始终无法紧密地结合在一起 (比如说折叠）， 在运输或随身 携带的过程中占据了较大的空间， 非常不方便。 发明内容
针对现有技术的缺点， 本实用新型提供了一种便携式台灯， 主要 的目的是解决现有技术中台灯的发光源使用寿命短、采用交流电作为 电源而产生频闪的问题。
本实用新型的技术方案为： 一种便携式台灯， 包括底座、 头部以 及连接底座和头部的支杆， 所述的头部设有底版、 发光体和外灯罩，
1
确 认 本 其特征在于： 所述的发光体为半导体发光二极管， 所述的底座、 头部 或者支杆设有用于提供直流电源的电池盒。 所述底板设有按一定方式排列的多个孔，所述的半导体发光二极 管有多个并电连接在一块电路板上， 而且分别嵌装在各个孔中。
所述的孔为锥形孔。
所述底座的一端设有调节不同数目的半导体发光二极管接通和 断开的装置。
所述底座的一端设有充电插孔。
所述底座的一端设有充电指示灯和放电指示灯。
所述的头部与所述的支杆之间采用第一转向结构连接。
所述的底座与所述的支杆之间采用第二转向结构连接。
所述的第一转向结构包括一个设有两个通孔的与所述的头部连 接的螺纹转轴、 两个与所述的支杆连接的螺栓， 所述的螺紋转轴通过 套穿在其上的摩擦片、碟形弹簧、防转垫片、螺帽与所述的头部连接， 所述的其中一个螺栓通过套穿在其上的摩擦片、碟形弹簧、防转垫片、 螺帽与所述的螺紋转轴连接，另一个螺栓通过套穿在其上的卡簧与所 述的螺纹转轴连接。
所述的第二转向结构包括与所述的底座连接的过线转轴与底座 转轴， 所述的过线转轴通过套穿在其上的限位片所述的支杆连接， 所 述的底座转轴通过套穿在其上的限位片、碟形弹簧、 螺帽与所述的支 杆连接。 所述的支杆为伸缩杆。
所述的伸缩杆由至少两根尺寸不同的套管套接而成。
在所述底座的顶面上设有用于收藏支杆的支杆槽。
相对于现有技术：本实用新型采用了半导体发光二极管作为发光 体， 因此具有高效节能 （传统电力消耗的 1 /10 )、 色光饱和、 无限混 色、 迅速切换、 环保、 耐震耐潮、 使用寿命长（1 0万小时）、 绿色环 保（无水银等废弃物）、 无辐射、 少维护等显箸特点； 在底座内设有 用于放置电池而提供直流电源的电池盒，便于在野外等没有外接电源 的情况下使用； 在头部与支杆之间、底座与支杆之间釆用转向结构连 接， 使得台灯的头部可以相对支杆变换角度， 支杆可以相对于底座变 换角度和距离； 支杆采用套管套接而成伸缩杆， 在所述底座的顶面上 设有用于收藏支杆的支杆槽， 使得灯头、 支杆和底座可以紧密地结合 在一起， 便于运输或随身携带， 甚至可作手电筒使用。 附图说明
图 1是本实用新型打开状态的立体图；
图 2是本实用新型折叠状态的立体图；
图 3是本实用新型的灯头及第一转向结构的分解图；
图 4是本实用新型的支杆的分解图；
图 5是本实用新型的底座及第一转向结构的分解图；
图 6是本实用新型底座内的电池盒的分解图；
图 7是本实用新型的工作原理图。 具体实施方式
下面结合附图对本实用新型作进一步的详细说明。
请参阅图 1 , 本实施方式的便携式台灯由底座 D、 头部 A以及连 接底座 D和头部 A的支杆 B组成，头部 A和支杆 B通过第一转向结构 C连接， 底座 D和支杆 B通过第二转向结构 E连接。
请参阅图 3 , 头部 A由外罩 1、 电路板 42 (包括连接在电路板上 的二十八个半导体发光二极管，二十八个半导体发光二极管排列成七 行、 每行四个）和底板 8组成， 底板 8对应于二十八个半导体发光二 极管设置有二十八个雉形孔， 组装时， 半导体发光二极管对应嵌装于 锥形孔中； 第一转向结构 C由一个螺纹转轴 35、 两个螺栓（ 36 , 37 ) 组成， 螺紋转轴 35的尾部为固定片 · 39 , 该固定片 39两侧分别开有 通孔， 螺栓 37由外向内穿过固定片 39—侧的通孔， 摩擦片 30a、 碟 形弹簧 33a、 螺栓 34依次套在螺栓 37的尾部并拧紧， 同样， 螺栓 36 由外向内穿过固定片 39另一侧的通孔， 卡簧 41套在螺栓 37的尾部 并卡紧， 摩擦片 30b、 头部端部的固定片 38、 定位介子 40、 碟形弹 簧 33b、限位片 32a和螺帽 34依次套在螺紋转轴 35的头部上并拧紧， 固定片 3δ通过螺丝 46固紧在头部 A上， 而转向结构 C的上、下盖片 7包住转向结构 C使得外形更流畅美观。
请参阅图 4 , 支杆 B由上杆塞子 （左， 右） 6、 上杆 3、 中杆 4、 下杆 5、 两块固定片 31和下杆塞子 17组成， 上杆 3、 中杆 4.和下杆 5依次套接形成可伸缩的支杆， 上杆塞子 6卡紧在上杆 3内， 并且转 向结构 C的两个螺栓 36、 37分别卡嵌在上杆塞子 （左， 右） 中， 由 此通过转向结构 C将头部 A与支杆 B连接， 头部 A能以螺紋转轴 35 为轴作 360度的旋转，并依靠磔形弹簧 33b的作用可以固定在某个角 度， 此外， 头部 A与转向结构 C还能以两个螺栓 36、 37为轴作大角 度的转动， 同理依靠碟形弹簧 33a的作用， 头部 A与转向结构 C可以 固定在某个角度。
请参阅图 5 ,第二转向结构 E由底座转轴 28和过线转轴 29组成， 螺帽 34、 碟形弹簧 33c、 限位片 32b和固定片 31依次套穿在底座转 轴 28上并拧紧，限位片 32c和另一块固定片 31依次套穿在过线转轴 29上， 底座转轴 28和过线转轴 29分别嵌入底座 D的前端中， 由此， 转向结构 E将支杆 B与底座 D连接， 支杆 B能以底座转轴 28和过线 转轴 29为轴作大角度的转动， 依靠碟形弹簧 33c的作用， 支杆 B可 以固定在某个角度； 底座 D的底面的前、 后两端分别设有固定脚 15， 固定脚 15的下部设有固定脚垫 16 , 底座 D的顶面设有用于收藏支杆 B的支杆槽 2, 底座 D的后端套接有端盖 11 , 端盖 11前、 底座 D的 内部设置有开关板 I2 , 在端盖 11与开关板 12之间依次设有开关固 定块 14、 半轴 13、 开关转轴 21 , 在固定块 14的上设有开关铜片 22 , 在半轴 13上设有开关弹片 23, 在开关弹片 23上设有钢珠 27 , 在端 盖 11外设有与开关转轴 21连接的旋教塞 20和包在旋钮塞 20外面的 开关旋钮 19。
请参阅图 6 , 底座 D内部设有一个形状与底座 D相配合的电池盒 9 , 电池盒 9的槽端部设有电池正负极片 24、 电池正极片 25与电池 负极片 26, 盒内还设有与开关板 12连接的控制板 43， 控制板 43有 两个充电指示灯， 电池盒 9的端盖 10的设有用于与拉扣 18 (上、下） 配合的扣槽和拉扣弹簧 48 , 并且端盖 10的面板上还设有用于显露充 电指示灯和放电指示灯的灯孔和供充电电池充电 ·的充电插孔。
请参阅图 2, 由于转向结构 C、 转向结构 E、 可伸缩的支杆 B的 存在， 本实用新型的头部 A和支杆 B可以收藏在支杆槽 2中， 大大减 少了台灯占用的空间， 便于携带。
请参阅图 7 ,本实用新型的工作原理如下：利用外接电源（10. 0V 、 1. OA的直流电）对电池盒内的 4个 3V充电电池充电， 充满电后电压 升到 10V, 此时， 旋动开关旋钮 19, 通过开关转轴 21、 半轴 13、 开 关固定块 14和控制板 43的配合调节档位， 调节到 1档时， 4个 LED 亮（12v 、 20mA) , 调节到 2档时， 20个 LED亮（12v、 100mA) , 调节 到 3档时， 28个 LED亮（12v、 140raA)。
虽然本实用新型以一较佳实施例揭露如上，但并非用以限定本实 用新型实施的范围。 任何本领域的普通技术人员， 在不脱离本实用新 型的发明范围内， 当可作些许的改进， 即凡是依照本实用新型所做的 同等改进， 应为本实用新型的发明范围所涵盖。 .

Claims

权利要求书
1、 一种便携式台灯， 包括底座、 头部以及连接底座和头部的支 杆， 所述的头部设有底板、 发光体和外罩， 其特征在于： 所述的发光 体为半导体发光二极管， 所述的底座、 头部或者支杆设有用于提供直 流电源的电池盒。
2、 如权利要求 1所述的便携式台灯， 其特征在于： 所述的头部 还设有底版和外罩， 底板设有按一定方式排列的多个孔， 所述的半导 体发光二极管有多个并电连接在一块电路板上，而且分别嵌装在各个 孔中。
3、 如权利要求 2所述的便携式台灯， 其特征在于： 所述底座的 一端设有调节不同数目的半导体发光二极管接通和断开的装置。
4、 如权利要求 1所述的便携式台灯， 其特征在于： 所述底座的 一端设有充电插孔
5、 如权利要求 4所述的便携式台灯， 其特征在于： 所述底座的 一端设有充电指示灯和放电指示灯。
6、 如权利要求 1所述的便携式台灯， 其特征在于： 所述的头部 与所述的支杆之间采用第一转向结构连接。
7、 如权利要求 1所述的便携式台灯， 其特征在于： 所述的底座 与所述的支杆之间采用第二转向结构连接。
8、 如权利要求 6所述的便携式台灯， 其特征在于： 所述的第一 转向结构包括一个设有两个通孔的与所述的头部连接的螺纹转轴、两 个与所述的支杆连接的螺栓，所述的螺紋转轴通过套穿在其上的摩擦 片、 碟形弹簧、 防转垫片、 螺帽与所述的头部连接， 所述的其中一个 螺栓通过套穿在其上的摩擦片、碟形弹簧、 防转垫片、 螺帽与所述的 螺紋转轴连接，另一个螺栓通过套穿在其上的卡簧与所述的螺紋转轴 连接。
9、 如权利要求 7所述的便携式台灯， 其特征在于： 所述的第二 转向结构包括与所述的底座连接的过线转轴与底座转轴，所述的过线 转轴通过套穿在其上的限位片所述的支杆连接，所述的底座转轴通过 套穿在其上的限位片、 碟形弹簧、 螺帽与所述的支杆连接。
10、 如权利要求 1所述的便携式台灯， 其特征在于： 所述的支杆 为伸缩杆。
11、 如权利要求 10所述的便携式台灯， 其特征在于： 所述的伸 缩杆由至少两根尺寸不同的套管套接而成。
12、如权利要求 10或 11所述的便携式台灯， 其特征在于： 在所 述底座的顶面上设有用于收藏支杆的支杆槽。
13、 如权利要求 2所述的便携式台灯， 其特征在于： 所述的^为 锥形孔。
PCT/CN2004/001100 2004-01-13 2004-09-27 Lampe de table portable WO2005071307A1 (fr)

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