JP4913247B1 - Base structure of light emitting device and light emitting device having the same - Google Patents

Base structure of light emitting device and light emitting device having the same Download PDF

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JP4913247B1
JP4913247B1 JP2011045342A JP2011045342A JP4913247B1 JP 4913247 B1 JP4913247 B1 JP 4913247B1 JP 2011045342 A JP2011045342 A JP 2011045342A JP 2011045342 A JP2011045342 A JP 2011045342A JP 4913247 B1 JP4913247 B1 JP 4913247B1
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base
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attaching
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lead wire
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智彦 井上
健一 山下
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Phoenix Electric Co Ltd
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Abstract

【課題】半田付け時における熱に起因して変形するおそれがなく、かつ、リード線挿通孔への給電用リード線の挿通が容易な発光装置の口金構造を提供する。
【解決手段】発光装置の口金構造を、発光体１４が取り付けられ、筒状の口金取付用芯部３０が突設された樹脂製の本体部材１２と、外表面に雄ネジ４２が形成され、口金取付用芯部３０に被せられた筒状の口金シェル３８と、その一方側に尖頭部５２が形成され、他方側が口金取付用芯部３０の先端部に配設されており、リード線挿通孔５４が形成された絶縁耐熱性材料製の口金アダプタ４０と、一対の給電用リード線３４、３５とで構成し、一方の給電用リード線３４の先端を、口金取付用芯部３０の内部、および口金アダプタ４０のリード線挿通孔５４を通し、尖頭部５２の先端部表面に半田固定することにより、上記課題を解決できる。
【選択図】図１There is provided a base structure of a light emitting device that is not likely to be deformed due to heat during soldering and that allows a lead wire for power supply to be easily inserted into a lead wire insertion hole.
A base structure of a light emitting device includes a resin main body member (12) on which a light emitting body (14) is mounted and a cylindrical base mounting core (30) is protruded, and a male screw (42) is formed on an outer surface. A cylindrical cap shell 38 that covers the cap mounting core 30, a pointed head 52 is formed on one side thereof, and the other side is disposed at the tip of the cap mounting core 30. A base adapter 40 made of an insulating heat resistant material in which an insertion hole 54 is formed, and a pair of power supply lead wires 34 and 35, and the tip of one power supply lead wire 34 is connected to the core mounting core 30. The above problem can be solved by passing the lead wire insertion hole 54 of the base adapter 40 inside and through the lead wire insertion hole 54 and soldering to the tip end surface of the pointed head 52.
[Selection] Figure 1

Description

本発明は、発光ダイオード（ＬＥＤ）に代表される、比較的発熱量の低い発光体が使用された発光装置の口金構造およびそれを備えた発光装置に関する。   The present invention relates to a base structure of a light emitting device using a light emitting body represented by a light emitting diode (LED) having a relatively low calorific value, and a light emitting device including the same.

従来のハロゲン電球に比べて消費電力が低く、かつ、長寿命といった長所を有する発光ダイオード（以下、「ＬＥＤ」という。）は、需要者のエコロジー意識の高まりとともに、省エネ対策のひとつとしてその使用範囲が急速に広まっており、当該ＬＥＤを使用した発光装置の生産量は、近年、急激に増加している。   Light-emitting diodes (hereinafter referred to as “LEDs”), which have lower power consumption and longer life than conventional halogen bulbs, are used as one of the energy-saving measures along with the growing awareness of consumers' ecology. In recent years, the production amount of light emitting devices using the LED has increased rapidly.

ところで、ハロゲン電球が使用された発光装置では、そのハロゲン電球が取り付けられる本体部材に、耐熱性の高いセラミック等が一般的に使用されていた。しかし、ＬＥＤに代表される、同程度の発光量のハロゲン電球に比べて発熱量が小さい発光体（以下、「低発熱量発光体」という。）が使用された発光装置の場合、本体部材に使用される材料にはハロゲン電球のときほどの耐熱性は必要とされない。このため、低発熱量発光体が使用された発光装置には、当該本体部材の材料として、セラミック等に比べて耐熱性で劣るものの、軽量かつ成形が容易な「樹脂」を選択することにより、本体部材の成形を容易にするとともに、発光装置全体を軽量化したいという要求が高まっている。   By the way, in a light emitting device using a halogen light bulb, a ceramic having high heat resistance or the like is generally used for a main body member to which the halogen light bulb is attached. However, in the case of a light emitting device using a light emitter that emits less heat than a halogen light bulb with a similar light emission amount typified by an LED (hereinafter referred to as a “low heat emitter”), The materials used are not required to be as heat resistant as in halogen bulbs. For this reason, in a light emitting device using a low calorific value light emitter, by selecting a “resin” that is light and easy to mold, although it is inferior in heat resistance to ceramics or the like as a material of the main body member, There is an increasing demand for facilitating the molding of the main body member and reducing the weight of the entire light emitting device.

登録実用新案第３０４５５６３号公報Registered Utility Model No. 30455563

しかしながら、ハロゲン電球が使用された従来の発光装置における本体部材を単に樹脂で成形するだけでは口金の製造過程において別の問題が生じるおそれがあった。   However, simply molding the main body member of a conventional light emitting device using a halogen bulb with resin may cause another problem in the manufacturing process of the base.

例えば、特許文献１に開示されているように、その下端面から筒状の口金取付用芯部が突設された本体部材をセラミックスに代えて樹脂で形成した場合、ソケットに螺入させるための雄ネジが表面に形成された金属製の筒状の口金シェルを当該口金取付用芯部に被せた後、本体部材の内部に収容された給電回路からのリード線を口金取付用芯部の先端に形成されたリード線挿通孔から突き出させた状態で、当該先端に半田を盛ってリード線挿通孔を埋めることになる。このように、口金取付用芯部の先端に半田を盛る際、発光時のＬＥＤの温度よりも高温になっている半田ゴテからの熱によって当該先端が変形して不良品となるおそれがあり、歩留まりを低下させる原因となっていた。   For example, as disclosed in Patent Document 1, when a main body member in which a cylindrical base attaching core portion protrudes from its lower end surface is formed of resin instead of ceramics, it is screwed into a socket. After a metal cylindrical cap shell having a male screw formed on the surface is put on the core mounting core, the lead wire from the feeder circuit housed inside the body member is connected to the tip of the base mounting core. In a state of protruding from the lead wire insertion hole formed in the solder, the lead wire insertion hole is filled by soldering the tip. Thus, when solder is deposited on the tip of the core mounting core, the tip may be deformed due to heat from the soldering iron that is higher than the temperature of the LED during light emission, resulting in a defective product. This was a cause of lowering the yield.

このような半田付け時における熱の問題を回避するため、例えば特許文献１には、図５に示すように、口金シェル１と、リード線挿通孔２が形成されたアイレット部４とを一体的に形成し、本体部材５の口金取付用芯部３に被せるような構造も開発されている。しかし、この構造では、口金シェル１を口金取付用芯部３に被せていくと同時に、給電用リード線６の先端をアイレット４のリード線挿通孔２に挿通させていかなくてはならず、可撓性に富む給電用リード線６の位置決めおよび当該位置固定が困難であることから、組み立て作業の効率を高めることが困難であった。   In order to avoid such a heat problem at the time of soldering, for example, in Patent Document 1, as shown in FIG. 5, a cap shell 1 and an eyelet portion 4 in which a lead wire insertion hole 2 is formed are integrated. The structure which is formed in the above and covers the core part 3 for attaching the base of the main body member 5 has also been developed. However, in this structure, the tip of the power supply lead wire 6 must be inserted into the lead wire insertion hole 2 of the eyelet 4 at the same time as the base shell 1 is covered with the base 3 for attaching the base. Since it is difficult to position and fix the flexible power supply lead 6, it is difficult to increase the efficiency of the assembly work.

本発明は、このような従来技術の問題点に鑑みて開発されたものである。それゆえに本発明の主たる課題は、半田付け時における熱に起因して変形するおそれがないことから歩留まりを向上させてコストを低下させることができ、かつ、リード線挿通孔への給電用リード線の挿通が容易で組み立て作業の効率を高めることができる、発光装置の口金構造を提供することにある。   The present invention has been developed in view of such problems of the prior art. Therefore, the main problem of the present invention is that there is no possibility of deformation due to heat at the time of soldering, so that the yield can be improved and the cost can be reduced, and the lead wire for feeding power to the lead wire insertion hole It is an object of the present invention to provide a base structure of a light emitting device that can be easily inserted and can improve the efficiency of assembly work.

請求項１に記載の発明は、
「発光体１４が取り付けられているとともに、筒状の口金取付用芯部３０が突設された樹脂製の本体部材１２と、
外表面に雄ネジ４２が形成されており、前記口金取付用芯部３０に被せられた筒状体であり、内径を縮小させる縮径部４８が前記口金取付用芯部３０に被せる方とは反対側の端部に形成された口金シェル３８と、
その一方側に尖頭部５２が形成されているとともに、他方側が前記口金取付用芯部３０の先端部に配設されており、前記尖頭部５２の先端から反対側に貫通するリード線挿通孔５４および周側面から突設された鍔部５０を有する、絶縁耐熱性材料で形成された口金アダプタ４０と、
前記発光体１４に給電するための一対の給電用リード線３４、３５とで構成されており、
前記口金アダプタ４０は、前記口金取付用芯部３０の先端部に前記口金アダプタ４０を配設した後、前記口金取付用芯部３０に前記口金シェル３８を被せて、前記口金取付用芯部３０の先端と前記口金シェル３８の前記縮径部４８との間で前記口金アダプタ４０の前記鍔部５０を挟むことによって固定されており、
一方の前記給電用リード線３４の先端は、前記口金取付用芯部３０の内部、および前記口金アダプタ４０の前記リード線挿通孔５４を通り、前記尖頭部５２の先端部表面に半田固定されていることを特徴とする発光装置の口金構造」である。
The invention described in claim 1
“A main body 12 made of resin with a light emitting body 14 attached and a cylindrical base attachment core 30 protruding therefrom,
The external thread 42 is formed on the outer surface, and is a cylindrical body that covers the base attaching core 30. The reduced diameter portion 48 that reduces the inner diameter covers the base attaching core 30. A base shell 38 formed at the opposite end ;
A pointed head 52 is formed on one side, and the other side is disposed at the tip of the base for attaching the base 30, and a lead wire is inserted from the tip of the pointed head 52 to the opposite side. A cap adapter 40 made of an insulating heat resistant material, having a hole 54 and a flange 50 protruding from the peripheral side surface;
It is composed of a pair of power supply lead wires 34 and 35 for supplying power to the light emitter 14.
In the base adapter 40, after the base adapter 40 is disposed at the tip of the base for attaching the base 30, the base shell 30 is covered with the base shell 30 for attaching the base to the base 30 for attaching the base. The flange portion 50 of the base adapter 40 is fixed between the tip of the base shell 40 and the reduced diameter portion 48 of the base shell 38.
One end of the power supply lead wire 34 passes through the lead attachment hole 54 of the base adapter 40 and the lead wire insertion hole 54 of the base adapter 40, and is soldered to the tip end surface of the pointed head 52. It is a base structure of a light emitting device ”.

本発明の口金構造によれば、樹脂製の本体部材１２から突設された口金取付用芯部３０の先端部に、電気伝導率が極めて低く、かつ熱に強い絶縁耐熱性材料で形成された口金アダプタ４０が配設されており、さらに、口金アダプタ４０に形成されたリード線挿通孔５４を通ってきた一方の給電用リード線３４の先端が、当該口金アダプタ４０における尖頭部５２の先端部表面に半田固定されている。   According to the base structure of the present invention, the tip end portion of the base part 30 for attaching the base projecting from the resin main body member 12 is formed of an insulating heat resistant material having extremely low electrical conductivity and heat resistance. The base adapter 40 is disposed, and the tip of one power supply lead wire 34 that has passed through the lead wire insertion hole 54 formed in the base adapter 40 is the tip of the pointed head 52 of the base adapter 40. Soldered to the surface of the part.

このように給電用リード線３４の先端が半田固定される部材、すなわち口金アダプタ４０は、絶縁耐熱性材料で形成されていることから、当該半田固定の際に半田ゴテからの熱によって口金アダプタ４０の尖頭部５２が変形するおそれを回避することができる。   Since the member to which the tip of the power supply lead wire 34 is fixed by soldering, that is, the base adapter 40 is formed of an insulating heat resistant material, the base adapter 40 is heated by the heat from the soldering iron when the solder is fixed. It is possible to avoid the risk of the cusp 52 being deformed.

加えて、口金アダプタ４０と、筒状の口金シェル３８とは、互いに別々の部材として構成されているので、口金シェル３８の取り付けを気にすることなく、給電用リード線３４の先端をリード線挿通孔５４に挿通させつつ、口金アダプタ４０を口金取付用芯部３０の先端部に配設することができるので、効率良く組み立てることができる。   In addition, since the base adapter 40 and the cylindrical base shell 38 are configured as separate members, the leading end of the power supply lead wire 34 can be connected to the lead wire without worrying about attachment of the base shell 38. Since the base adapter 40 can be disposed at the distal end portion of the base portion 30 for attaching the base while being inserted through the insertion hole 54, it is possible to assemble efficiently.

さらに言えば、口金１８の形状は、Ｅ１１やＥ１７等、口金シェル３８の外径に応じて決められているが、本発明の口金構造によれば、口金１８の形式が変わったとしても、少なくとも口金取付用芯部３０の外径および口金シェル３８の径を変えるだけで対応することができ、口金アダプタ４０は同じ形状のものを使用することができる（図４には、図１に比べて口金１８の径が大きい場合を示している。）。   Furthermore, the shape of the base 18 is determined according to the outer diameter of the base shell 38, such as E11 or E17. However, according to the base structure of the present invention, even if the form of the base 18 changes, at least This can be dealt with only by changing the outer diameter of the base for attaching the base 30 and the diameter of the base shell 38, and the base adapter 40 having the same shape can be used (FIG. 4 is compared with FIG. 1). The case where the diameter of the nozzle | cap | die 18 is large is shown.).

なお、口金アダプタ４０を形成する絶縁耐熱性材料の「耐熱性」とは、半田固定の際の熱によって変形しない性質を意味するものである。このため、当該「耐熱性」の意味する具体的な耐熱温度は、使用する半田の融点や使用する半田ゴテの温度に応じて変動する。   The “heat resistance” of the insulating heat resistant material forming the base adapter 40 means a property that does not deform due to heat at the time of soldering. For this reason, the specific heat-resistant temperature meaning the “heat resistance” varies depending on the melting point of the solder used and the temperature of the soldering iron used.

また、「発光体」とは、ＬＥＤに限られるものではなく、その発熱量が、本体部材１２を構成する「樹脂」材料が有する耐熱性および熱伝導性との関係で、発光時に当該本体部材１２を溶かしてしまうことがなく、かつ、自身が発する熱によって壊れてしまうこともない程度のものであれば、その発光方式や定格電圧および定格電流等を問わない。   The “light emitter” is not limited to the LED, and the amount of heat generated is related to the heat resistance and thermal conductivity of the “resin” material constituting the main body member 12, and the main body member at the time of light emission. The light emitting method, the rated voltage, the rated current, and the like are not particularly limited as long as they do not melt 12 and are not broken by the heat generated by themselves.

加えて、口金アダプタ４０を口金取付用芯部３０の先端部に配置し、然る後、当該口金取付用芯部３０に口金シェル３８を被せるだけで、口金取付用芯部３０の先端と、口金シェル３８の縮径部４８との間で口金アダプタ４０の鍔部５０を挟み込み、当該口金アダプタ４０を固定できるので、接着剤や溶接、あるいはロウ付け等の手段によって口金アダプタ４０を口金取付用芯部３０に取り付ける必要がないことから、組み立て作業の効率をさらに高めることができる。
 In addition , the base adapter 40 is disposed at the tip end portion of the base portion 30 for attaching the base, and then the tip portion of the core portion 30 for attaching the base portion is simply covered with the base portion 30 for attaching the base. Since the flange portion 50 of the base adapter 40 can be sandwiched between the reduced diameter portion 48 of the base shell 38 and the base adapter 40 can be fixed, the base adapter 40 can be attached to the base by means of adhesive, welding, brazing or the like. Since it is not necessary to attach to the core part 30, the efficiency of an assembly operation can further be improved.

請求項２に記載した発明は、請求項１に記載の口金構造の改良に関し、
「前記口金取付用芯部３０の外表面には雄ネジ４４が形成されているとともに、
前記口金シェル３８の内表面には、前記雄ネジ４４に対応する雌ネジ４６が形成されており、
さらに、前記口金取付用芯部３０の先端部内面はその断面が多角形状に形成されているとともに、
前記口金アダプタ４０の他方側端部４０ａは、その断面が多角形状に形成され、前記口金取付用芯部３０の先端部内側に嵌め込まれている」ことを特徴とする。
The invention described in claim 2 relates to the improvement of the base structure according to claim 1 ,
“A male screw 44 is formed on the outer surface of the base 30 for attaching the base,
A female screw 46 corresponding to the male screw 44 is formed on the inner surface of the base shell 38.
Further, the inner surface of the tip end portion of the core mounting core 30 has a polygonal cross section,
The other end 40a of the base adapter 40 is formed in a polygonal cross section and is fitted inside the tip end of the base attaching core 30 ".

本発明の口金構造によれば、本体部材１２の口金取付用芯部３０に対して口金シェル３８を螺着させることができるので、口金シェル３８の取り付けに際しても、接着剤や溶接、あるいはロウ付け等の手段が不要となり、組み立て作業の効率をさらに高めることができる。   According to the cap structure of the present invention, the cap shell 38 can be screwed to the cap mounting core portion 30 of the main body member 12, so that an adhesive, welding, or brazing is also performed when mounting the cap shell 38. Thus, the efficiency of the assembly work can be further increased.

加えて、多角形状に形成された口金アダプタ４０の他方側端部４０ａが、同じく多角形状に形成された口金取付用芯部３０の先端部内側に嵌め込まれているので、上述のように、本体部材１２の口金取付用芯部３０に対して口金シェル３８を螺着させる際に、口金アダプタ４０が口金シェル３８と供回りすることがなくなり、口金アダプタ４０を誤って回転させてしまうことにより、口金アダプタ４０に半田固定された給電用リード線３４が口金取付用芯部３０内で捻れたり、甚だしくは捻れ切れたりするのを回避できる。   In addition, since the other side end 40a of the base adapter 40 formed in a polygonal shape is fitted inside the tip end portion of the core mounting core 30 also formed in a polygonal shape, as described above, When the base shell 38 is screwed to the base attachment core 30 of the member 12, the base adapter 40 does not rotate with the base shell 38, and the base adapter 40 is erroneously rotated. It is possible to avoid that the power supply lead wire 34 soldered to the base adapter 40 is twisted or severely twisted in the core mounting core 30.

請求項３に記載した発明は、
「請求項１または２のいずれかに記載した口金構造を備えた発光装置１０」である。 The invention described in claim 3
A "light-emitting device 10 having a mouthpiece structure as claimed in any one of claims 1 or 2".

本発明によれば、樹脂製の口金取付用芯部の先端に、耐熱性を有する口金アダプタを配設することによって半田付け時の熱による変形を回避し、かつ、当該口金アダプタを口金とは別の部材として構成することにより、組み立て時の作業効率を高めることができる。   According to the present invention, by disposing a heat-resistant cap adapter at the tip of the resin-made cap mounting core, deformation due to heat during soldering is avoided, and the cap adapter is a cap. By constituting as another member, the work efficiency at the time of assembly can be improved.

本発明が適用された発光装置を示す断面図である。It is sectional drawing which shows the light-emitting device to which this invention was applied. 本発明が適用された発光装置における口金およびその周辺の構造を示す拡大断面図である。It is an expanded sectional view which shows the nozzle | cap | die and the periphery structure in the light-emitting device to which this invention was applied. 本発明にかかる口金構造を示す分解斜視図である。It is a disassembled perspective view which shows the nozzle | cap | die structure concerning this invention. 他型式の口金が形成された発光装置を示す断面図である。It is sectional drawing which shows the light-emitting device in which the other type nozzle | cap | die was formed. 従来技術を示す図である。It is a figure which shows a prior art.

以下、本発明が適用された実施例について、図面を用いて説明する。図１は、本実施例にかかる発光装置１０を示す断面図であり、図２は、図１における口金１８およびその周辺の構造を示す拡大断面図である。また、図３は、本実施例に係る発光装置１０の口金構造を示す分解斜視図である。   Embodiments to which the present invention is applied will be described below with reference to the drawings. FIG. 1 is a cross-sectional view showing a light emitting device 10 according to the present embodiment, and FIG. 2 is an enlarged cross-sectional view showing a base 18 and its peripheral structure in FIG. FIG. 3 is an exploded perspective view showing the base structure of the light emitting device 10 according to the present embodiment.

図１に示すように、本発明が適用された発光装置１０は、大略、本体部材１２と、発光体１４と、給電回路１６と、口金１８と、必要に応じて設けられるリフレクタ２０、および前面カバー２２とで構成されている。   As shown in FIG. 1, a light emitting device 10 to which the present invention is applied generally includes a main body member 12, a light emitter 14, a power feeding circuit 16, a base 18, a reflector 20 provided as necessary, and a front surface. And a cover 22.

本体部材１２は、例えば、ポリプロピレン（ＰＰ）や、ポリエチレン（ＰＥ）等の樹脂で形成された、発光装置１０の筐体であり、大略、少なくともその内側が椀状に形成された発光体収容部２４と、当該発光体収容部２４に隣接して形成され、その内部に給電回路１６が収容されるソケット部２６と、発光体取付部材２８とで構成されており、ソケット部２６の底面中央部からは、同じく樹脂製の口金取付用芯部３０がソケット部２６と一体的に突設されている。   The main body member 12 is a housing of the light emitting device 10 formed of, for example, a resin such as polypropylene (PP) or polyethylene (PE), and is generally a light emitter housing portion formed at least on the inside in a bowl shape. 24, a socket portion 26 formed adjacent to the light emitter housing portion 24, in which the feeder circuit 16 is housed, and a light emitter mounting member 28. From the same, a base 30 for attaching a base made of resin is also provided integrally with the socket 26.

発光体収容部２４の内部空間２４ａ、およびソケット部２６の内部空間２６ａは互いに連通しており、両内部空間２４ａ、２６ａの境界に発光体取付部材２８が配設されている。さらに、口金取付用芯部３０には、図中下方の外部空間と、ソケット部２６の内部空間２６ａとを互いに連通させる口金取付用芯部内連通孔３２が形成されており（つまり、口金取付用芯部３０は筒状になっている。）、当該連通孔３２に、口金１８からの電力を給電回路１６に送給する給電用リード線３４が挿通されている。なお、本実施例では、一対の給電用リード線３４、３５の内、一方の給電用リード線３４のみが口金取付用芯部内連通孔３２に挿通されており、他方の給電用リード線３５は、後述のように、ソケット部２６の底面に形成され、内部空間２６ａと口金取付用芯部３０の付け根近傍の外部空間とを連通する底部連通孔３３を通って内部空間２６ａから直接外部に取り出された後、口金シェル３８の上部側周面に接続されているが、両方の給電用リード線３４、３５を口金取付用芯部内連通孔３２に挿通させることもできる。   The internal space 24a of the light emitter housing portion 24 and the internal space 26a of the socket portion 26 communicate with each other, and a light emitter mounting member 28 is disposed at the boundary between the internal spaces 24a and 26a. Further, the base attaching core part 30 is formed with a base attaching core part communicating hole 32 for communicating the lower external space in the drawing with the internal space 26a of the socket part 26 (that is, the base attaching core part). The core portion 30 has a cylindrical shape.) A power supply lead wire 34 for supplying power from the base 18 to the power supply circuit 16 is inserted into the communication hole 32. In this embodiment, of the pair of power supply lead wires 34 and 35, only one power supply lead wire 34 is inserted into the base mounting core communication hole 32, and the other power supply lead wire 35 is As will be described later, it is directly taken out from the internal space 26a through the bottom communication hole 33 which is formed on the bottom surface of the socket portion 26 and communicates with the internal space 26a and the external space in the vicinity of the base of the base 30 for attaching the base. After that, although connected to the upper peripheral surface of the base shell 38, both of the power supply lead wires 34, 35 can be inserted into the base mounting core communication hole 32.

なお、本実施例では、上述した発光体収容部２４、ソケット部２６、および口金取付用芯部３０が一体的に形成されているが、もちろん、各部２４、２６、３０をそれぞれ別体で形成し、接着あるいは螺着等の公知手段で組み合わせることによって本体部材１２を構成してもよい。また、別体で形成した発光体収容部２４やソケット部２６については、樹脂に代えて、例えば、アルミニウム合金等の、熱伝導率が高い材料で形成してもよく、少なくとも口金取付用芯部３０が樹脂製であればよい。   In the present embodiment, the above-described light emitter housing portion 24, socket portion 26, and base attaching core portion 30 are integrally formed. Of course, each portion 24, 26, 30 is formed separately. However, the main body member 12 may be configured by a combination of known means such as adhesion or screwing. In addition, the luminous body accommodating portion 24 and the socket portion 26 formed separately may be formed of a material having high thermal conductivity, such as an aluminum alloy, for example, instead of the resin. 30 should just be resin.

発光体取付部材２８は、発光体１４を本体部材１２に対して固定するためのものであり、本実施例では、ソケット部２６における内部空間２６ａの発光体収容部２４側端部にぴったりと嵌め込み固定されている。発光体取付部材２８の材質は特に限定されるものではないが、発光体１４を発光させた時に生じる熱を素早く本体部材１２に伝導させて放熱効率を高めることができる点で、発光体取付部材２８を熱伝導性の高い材料で形成するのが好適である。   The light emitter mounting member 28 is for fixing the light emitter 14 to the main body member 12. In this embodiment, the light emitter mounting member 28 is fitted into the end of the inner space 26a of the socket portion 26 on the light emitter housing portion 24 side. It is fixed. The material of the light emitter mounting member 28 is not particularly limited, but the light emitter mounting member is capable of improving heat dissipation efficiency by quickly conducting heat generated when the light emitter 14 emits light to the main body member 12. It is preferable to form 28 with a material having high thermal conductivity.

発光体１４は、所定の電圧が印加されることによって発光する部材であり、本実施例では、面状に発光する面発光型ＬＥＤが使用されている。発光面の形状は、もちろん、点状であってもよいし、線状であってもよい。また、発光体１４は、ＬＥＤに限られるものではなく、その発熱量が、本体部材１２を構成する樹脂材料が有する耐熱性および熱伝導性との関係で、発光時に当該本体部材１２を溶かしてしまうことがなく、かつ、自身が発する熱によって壊れてしまうこともない程度のものであれば、その発光方式や定格電圧および定格電流等を問わない。   The light emitter 14 is a member that emits light when a predetermined voltage is applied. In this embodiment, a surface emitting LED that emits light in a planar shape is used. Of course, the shape of the light emitting surface may be point-like or linear. Further, the light emitter 14 is not limited to the LED, and the amount of heat generated is related to the heat resistance and thermal conductivity of the resin material constituting the main body member 12, and the main body member 12 is melted during light emission. The light emission method, the rated voltage, the rated current, etc. are not particularly limited as long as they are not broken by the heat generated by themselves.

給電回路１６は、口金１８および給電用リード線３４、３５を介して外部から供給された電力（通常は、商用交流電力）を発光体１４の仕様に合わせた電力（発光体１４がＬＥＤであれば、通常は、数ボルトの直流電力）に変換し、然る後、一対の発光用電力供給リード線３６を介して発光体１４に給電するため、例えば、コンデンサやダイオード等を組み合わせて構成された回路であり、上述のように、本体部材１２におけるソケット部２６の内部空間２６ａに収容されている。   The power feeding circuit 16 has power (generally, commercial AC power) supplied from the outside via the base 18 and the power supply lead wires 34 and 35 in accordance with the specifications of the light emitter 14 (the light emitter 14 may be an LED). For example, in order to supply power to the light-emitting body 14 via a pair of light-emitting power supply leads 36, for example, a combination of a capacitor and a diode is used. As described above, the circuit is accommodated in the internal space 26a of the socket portion 26 in the main body member 12.

口金１８は、本体部材１２の図中下方に形成された口金取付用芯部３０の端部表面に形成された、外部からの電力を受け入れるための部材であり、口金シェル３８と、口金アダプタ４０とで構成されている。   The base 18 is a member that is formed on the end surface of the base attachment core 30 formed below the main body member 12 in the drawing and receives power from the outside. The base shell 38 and the base adapter 40 are provided. It consists of and.

口金シェル３８は、その外表面に給電用ソケット（図示せず）に螺着される雄ネジ４２が形成された筒状の部材であり、本体部材１２における口金取付用芯部３０に被せられている。   The base shell 38 is a cylindrical member in which a male screw 42 to be screwed to a power supply socket (not shown) is formed on the outer surface thereof. The base shell 38 is placed on the base attachment core 30 of the main body member 12. Yes.

本実施例では、口金取付用芯部３０の外表面に雄ネジ４４が形成されているとともに、口金シェル３８の内表面には、当該雄ネジ４４に対応する雌ネジ４６が形成されている。これにより、本体部材１２の口金取付用芯部３０に対して口金シェル３８を螺着させることができ、接着剤や溶接、あるいはロウ付け等の手段が不要となることから、組み立て作業の効率を高めることができるので好適である。なお、上述した雄ネジ４４および雌ネジ４６は本発明の必須構成要素ではなく、口金シェル３８を口金取付用芯部３０に被せた後、接着剤等で固定してもよいし、口金取付用芯部３０の外形状を断面視多角形に形成するとともに、口金シェル３８の内面形状をこれに対応する断面視多角形に形成することにより、口金取付用芯部３０に被せた口金シェル３８が不所望に回らないようにしてもよい。   In the present embodiment, a male screw 44 is formed on the outer surface of the cap mounting core 30, and a female screw 46 corresponding to the male screw 44 is formed on the inner surface of the cap shell 38. As a result, the base shell 38 can be screwed onto the base mounting core portion 30 of the main body member 12, and means such as adhesive, welding, or brazing are not required. Since it can raise, it is suitable. The male screw 44 and the female screw 46 described above are not essential components of the present invention, and may be fixed with an adhesive or the like after the base shell 38 is put on the base part 30 for attaching the base, or for attaching the base. The outer shape of the core portion 30 is formed in a polygonal shape in cross section, and the inner surface shape of the base shell 38 is formed in a polygonal shape in cross section corresponding thereto, so that the base shell 38 that covers the core portion 30 for attaching the base is It may not be turned undesirably.

また、口金シェル３８における、口金取付用芯部３０に被せる方とは反対側の端部には、当該口金シェル３８の内径を縮小させる縮径部４８として、内向きのフランジ部が形成されている。この縮径部４８は、後述するように、口金取付用芯部３０の先端面（図中下端面）との間で、口金アダプタ４０の側周面に形成された鍔部５０を挟み込むことによって当該口金アダプタ４０を固定する役割を有している。もちろん、この縮径部４８も本発明の必須構成要素ではなく、接着剤等を用いて口金アダプタ４０を口金取付用芯部３０の先端面に固定するのであれば、当該縮径部４８は不要となる。   In addition, an inward flange portion is formed as a reduced diameter portion 48 for reducing the inner diameter of the base shell 38 at the end of the base shell 38 opposite to the side that covers the core mounting core 30. Yes. As will be described later, the reduced diameter portion 48 sandwiches a flange portion 50 formed on the side peripheral surface of the base adapter 40 between the distal end surface (the lower end surface in the drawing) of the base attaching core portion 30. It has a role of fixing the base adapter 40. Of course, the reduced diameter portion 48 is not an essential component of the present invention, and the reduced diameter portion 48 is not necessary if the base adapter 40 is fixed to the distal end surface of the base for attaching the base 30 using an adhesive or the like. It becomes.

口金アダプタ４０は、その一方側に尖頭部５２が形成されているとともに、他方側が口金取付用芯部３０の先端に配設されており、尖頭部５２の先端から反対側に貫通するリード線挿通孔５４を有する、耐熱性材料で形成された部材である。   The base adapter 40 has a pointed head 52 formed on one side thereof, and the other side is disposed at the tip of the core mounting core 30, and leads from the tip of the pointed head 52 to the opposite side. It is a member formed of a heat-resistant material having the line insertion hole 54.

また、本実施例では、上述のように、口金アダプタ４０の側周面には、鍔部５０が突設されている（鍔部５０は、側周面の全周から突設されていてもよいし、部分的に突設されている態様でもよい。）。さらに、口金アダプタ４０の他方側端部４０ａの断面を多角形状に形成してもよく、この場合、口金取付用芯部３０の先端部内側も、その断面を多角形状に形成しておくことにより、口金取付用芯部３０に対して口金シェル３８を螺着させる際に、口金アダプタ４０が口金シェル３８と供回りすることがなくなり、給電用リード線３４が半田固定された口金アダプタ４０を誤って回転させてしまうことにより、給電用リード線３４が口金取付用芯部３０内で捻れたり、甚だしい場合には捻り切れたりするのを回避できるので好適である。   Further, in the present embodiment, as described above, the flange portion 50 protrudes from the side peripheral surface of the base adapter 40 (even if the flange portion 50 protrudes from the entire circumference of the side peripheral surface. It is also possible to use a partially projecting manner.) Further, the cross section of the other end 40a of the base adapter 40 may be formed in a polygonal shape. In this case, the inner end of the base part 30 for attaching the base is also formed in a polygonal cross section. When the base shell 38 is screwed to the base portion 30 for attaching the base, the base adapter 40 is not rotated around the base shell 38, and the base adapter 40 to which the lead wire 34 for power feeding is fixed by soldering is mistaken. By rotating the power supply lead wire 34, it is possible to avoid the power supply lead wire 34 from being twisted within the base attaching core portion 30 or from being twisted out in a severe case.

なお、口金アダプタ４０を形成する耐熱性材料の「耐熱性」とは、後述するように、当該口金アダプタ４０の尖頭部５２に給電用リード線３４の先端を半田固定する際の熱によって変形しない性質を意味するものである。このため、当該「耐熱性」の意味する具体的な耐熱温度は、使用する半田の融点や使用する半田ゴテの温度に応じて変動する。   The “heat resistance” of the heat-resistant material forming the base adapter 40 is, as will be described later, deformed by heat when the tip of the power supply lead wire 34 is fixed to the pointed head 52 of the base adapter 40 by soldering. It means the nature that does not. For this reason, the specific heat-resistant temperature meaning the “heat resistance” varies depending on the melting point of the solder used and the temperature of the soldering iron used.

必要に応じて設けられるリフレクタ２０は、発光体１４からの光を反射させる反射面５６がその内側面に形成された椀状の部材であり、本体部材１２における発光体収容部２４の内部空間２４ａに嵌め込まれている。本実施例の反射面５６は、滑らかな曲面で構成されているが（当該曲面は、回転楕円面、回転放物面、あるいは自由曲面等どのようなものでもよい。）、微小なセグメントに区分して反射面５６を構成してもよい。   The reflector 20 provided as necessary is a bowl-shaped member having a reflection surface 56 that reflects light from the light emitter 14 formed on the inner surface thereof, and the internal space 24 a of the light emitter housing portion 24 in the main body member 12. It is inserted in. The reflecting surface 56 of the present embodiment is configured with a smooth curved surface (the curved surface may be any one of a spheroidal surface, a rotating paraboloid, a free curved surface, etc.), but is divided into minute segments. Thus, the reflective surface 56 may be configured.

必要に応じて設けられる前面カバー２２は、本体部材１２における発光体収容部２４の開口部２４ｂ（および、リフレクタ２０の開口部２０ｂ）を覆うポリカーボネート製（もちろん、ポリカーボネートに限られず、ガラスやポリプロピレン、ポリエチレンテレフタレート（ＰＥＴ）等でもよい。）の透明部材であり、ユーザーが誤って発光体１４等に触れてしまうのを防止する役割を有している。   The front cover 22 provided as necessary is made of polycarbonate that covers the opening 24b of the light emitter housing part 24 (and the opening 20b of the reflector 20) in the main body member 12 (of course, not limited to polycarbonate, glass, polypropylene, A transparent member of polyethylene terephthalate (PET) or the like), and has a role of preventing the user from accidentally touching the light emitter 14 or the like.

本実施例の発光装置１０を組み立てる手順について説明する。最初に、給電回路１６を本体部材１２における発光体収容部２４の開口部２４ｂからソケット部２６の内部空間２６ａに収容し、予め給電回路１６に接続されていた一対の給電用リード線３４、３５の先端部をそれぞれ口金取付用芯部３０に設けられた口金取付用芯部内連通孔３２、およびソケット部２６の底面に設けられた底部連通孔３３を通して外部に取り出しておく。   A procedure for assembling the light emitting device 10 of this embodiment will be described. First, the power feeding circuit 16 is accommodated in the internal space 26 a of the socket portion 26 from the opening 24 b of the light emitter accommodating portion 24 in the main body member 12, and a pair of power feeding leads 34 and 35 previously connected to the power feeding circuit 16. These tip portions are taken out to the outside through a base attachment core communication hole 32 provided in the base attachment core part 30 and a bottom communication hole 33 provided on the bottom surface of the socket part 26, respectively.

然る後、口金アダプタ４０のリード線挿通孔５４に一方の給電用リード線３４を挿通しつつ、その他方側端部４０ａを口金取付用芯部３０の先端側から口金取付用芯部内連通孔３２に嵌め込む。口金アダプタ４０を嵌め込んだ後、口金シェル３８を口金取付用芯部３０に螺着していき、口金シェル３８の縮径部４８と口金取付用芯部３０の先端面との間に挟まれた口金アダプタ４０の鍔部５０が固定させるまで口金シェル３８を締め込んだ後、上端部をかしめて口金シェル３８が回転するのを防止する。   After that, while inserting one power supply lead wire 34 into the lead wire insertion hole 54 of the base adapter 40, the other side end 40 a is connected to the base attachment core communication hole from the tip end side of the base attachment core 30. 32. After fitting the base adapter 40, the base shell 38 is screwed onto the base attachment core 30 and sandwiched between the reduced diameter portion 48 of the base shell 38 and the tip end surface of the base attachment core 30. After the cap shell 38 is tightened until the flange portion 50 of the cap adapter 40 is fixed, the upper end portion is crimped to prevent the cap shell 38 from rotating.

最後に予め外部に取り出しておいた一対の給電用リード線３４、３５の先端をそれぞれ、口金アダプタ４０の尖頭部５２、および口金シェル３８の上端部側周面に半田固定することにより、口金１８が完成する。   Finally, the tips of the pair of power supply lead wires 34 and 35 taken out to the outside in advance are soldered to the pointed head 52 of the base adapter 40 and the peripheral surface of the upper end portion of the base shell 38, respectively. 18 is completed.

口金１８の完成後（もちろん、口金１８よりも先であってもよい。）、開口部２４ｂから発光体取付部材２８を挿入してソケット部２６における内部空間２６ａの発光体収容部２４側端部に嵌め込み固定する（その際、給電回路１６からの一対の発光用電力供給リード線３６を発光体取付部材２８の上面および下面を連通する発光用電力供給リード線挿通孔（図示せず）に挿通させてその先端を発光体収容部２４の内部空間２４ａに出しておく。）。   After the base 18 is completed (of course, it may be ahead of the base 18), the light emitter mounting member 28 is inserted from the opening 24b, and the end of the inner space 26a in the socket 26 on the side of the light emitter housing 24 (In this case, the pair of light emission power supply leads 36 from the power supply circuit 16 are inserted into light emission power supply lead insertion holes (not shown) that connect the upper surface and the lower surface of the light emitter mounting member 28. Then, the tip is taken out into the internal space 24a of the light emitter housing part 24).

然る後、発光体１４を発光体取付部材２８の上面に取り付け、当該発光体１４に一対の発光用電力供給リード線３６を半田等で固定した後、リフレクタ２０を発光体収容部２４の内部空間２４ａに嵌め込み、最後に、前面カバー２２を発光体収容部２４の開口部２４ｂに嵌め込んで固定する。   Thereafter, the light emitter 14 is attached to the upper surface of the light emitter attachment member 28, and a pair of light emission power supply leads 36 are fixed to the light emitter 14 with solder or the like, and then the reflector 20 is installed inside the light emitter housing portion 24. The front cover 22 is fitted into the opening 24b of the light emitter housing part 24 and finally fixed.

本実施例の口金構造によれば、樹脂製の本体部材１２から突設された口金取付用芯部３０の先端に、耐熱性材料で形成された口金アダプタ４０が配設されており、さらに、口金アダプタ４０に形成されたリード線挿通孔５４を通ってきた給電用リード線３４の先端が、当該口金アダプタ４０の尖頭部５２に半田固定されている。   According to the base structure of the present embodiment, the base adapter 40 formed of a heat-resistant material is disposed at the tip of the base part 30 for attaching the base projecting from the resin main body member 12. The tip of the power supply lead wire 34 that has passed through the lead wire insertion hole 54 formed in the base adapter 40 is soldered to the pointed head 52 of the base adapter 40.

このように給電用リード線３４の先端が半田固定される部材、すなわち口金アダプタ４０は、耐熱性材料で形成されていることから、当該半田固定の際に半田ゴテからの熱によって口金アダプタ４の尖頭部５２が変形するおそれを回避することができる。   Since the member to which the tip of the power supply lead wire 34 is fixed by soldering, that is, the base adapter 40, is formed of a heat-resistant material, the base adapter 4 is heated by heat from the soldering iron when the solder is fixed. The possibility that the pointed head 52 is deformed can be avoided.

加えて、口金アダプタ４０と、筒状の口金シェル３８とは、互いに別々の部材として構成されているので、口金シェル３８の取り付けとは別に、給電用リード線３４の先端をリード線挿通孔５４に挿通させつつ、口金アダプタ４０を本体部材１２における口金取付用芯部３０の先端に配設することができるので、効率良く組み立てることができる。   In addition, since the base adapter 40 and the cylindrical base shell 38 are configured as separate members, the tip of the power supply lead wire 34 is connected to the lead wire insertion hole 54 separately from the attachment of the base shell 38. Since the base adapter 40 can be disposed at the tip of the base attaching core portion 30 in the main body member 12 while being inserted into the main body member 12, it can be assembled efficiently.

さらに言えば、口金１８の形状は、Ｅ１１やＥ１７等、口金シェル３８の外径に応じて決められているが、本発明の口金構造によれば、口金１８の形式が変わったとしても、少なくとも口金取付用芯部３０の外径および口金シェル３８の径を変えるだけで対応することができ、口金アダプタ４０は同じ形状のものを使用することができる（図４には、図１に比べて口金１８の径が大きい場合を示している。）。   Furthermore, the shape of the base 18 is determined according to the outer diameter of the base shell 38, such as E11 or E17. However, according to the base structure of the present invention, even if the form of the base 18 changes, at least This can be dealt with only by changing the outer diameter of the base for attaching the base 30 and the diameter of the base shell 38, and the base adapter 40 having the same shape can be used (FIG. 4 is compared with FIG. 1). The case where the diameter of the nozzle | cap | die 18 is large is shown.).

１０…発光装置
１２…本体部材
１４…発光体
１６…給電回路
１８…口金
２０…リフレクタ
２２…前面カバー
２４…発光体収容部
２６…ソケット部
２８…発光体取付部材
３０…口金取付用芯部
３２…口金取付用芯部内連通孔
３３…底部連通孔
３４、３５…給電用リード線
３６…発光用電力供給リード線
３８…口金シェル
４０…口金アダプタ
４２…（口金シェルの）雄ネジ
４４…（口金取付用芯部の）雄ネジ
４６…（口金シェルの）雌ネジ
４８…縮径部
５０…鍔部
５２…尖頭部
５４…リード線挿通孔
５６…反射面
DESCRIPTION OF SYMBOLS 10 ... Light-emitting device 12 ... Main body member 14 ... Light-emitting body 16 ... Feeding circuit 18 ... Base 20 ... Reflector 22 ... Front cover 24 ... Light-emitting body accommodating part 26 ... Socket part 28 ... Light-emitting body attachment member 30 ... Core part for base attachment 32 ································································································································· 33 Male screw (of mounting core) 46 ... Female screw (of cap shell) 48 ... Reduced diameter part 50 ... Gutter 52 ... Pointed head 54 ... Lead wire insertion hole 56 ... Reflecting surface

Claims (3)

発光体が取り付けられているとともに、筒状の口金取付用芯部が突設された樹脂製の本体部材と、
外表面に雄ネジが形成されており、前記口金取付用芯部に被せられた筒状体であり、内径を縮小させる縮径部が前記口金取付用芯部に被せる方とは反対側の端部に形成された口金シェルと、
その一方側に尖頭部が形成されているとともに、他方側が前記口金取付用芯部の先端部に配設されており、前記尖頭部の先端から反対側に貫通するリード線挿通孔および周側面から突設された鍔部を有する、絶縁耐熱性材料で形成された口金アダプタと、
前記発光体に給電するための一対の給電用リード線とで構成されており、
前記口金アダプタは、前記口金取付用芯部の先端部に前記口金アダプタを配設した後、前記口金取付用芯部に前記口金シェルを被せて、前記口金取付用芯部の先端と前記口金シェルの前記縮径部との間で前記口金アダプタの前記鍔部を挟むことによって固定されており、
一方の前記給電用リード線の先端は、前記口金取付用芯部の内部、および前記口金アダプタの前記リード線挿通孔を通り、前記尖頭部の先端部表面に半田固定されていることを特徴とする発光装置の口金構造。 A light-emitting body is attached, and a resin-made main body member in which a cylindrical base attaching core is projected, and
An external thread is formed on the outer surface, and is a cylindrical body that covers the core attaching core , and a reduced diameter portion that reduces the inner diameter is opposite to the end that covers the base attaching core. A base shell formed in the part ,
A pointed head is formed on one side thereof, and the other side is disposed at the tip of the base for attaching the base, and a lead wire insertion hole and a perimeter penetrating from the tip of the pointed head to the opposite side A base adapter formed of an insulating heat resistant material, having a flange projecting from the side surface;
It is composed of a pair of power supply lead wires for supplying power to the light emitter,
The base adapter is formed by disposing the base adapter at a tip of the base for attaching the base, and then covering the base for attaching the base with the base shell, so that the tip of the base for attaching the base and the shell of the base It is fixed by sandwiching the collar part of the base adapter between the reduced diameter part of
One end of the lead wire for power supply is soldered to the tip end surface of the pointed portion through the lead wire insertion hole of the base adapter and the lead adapter through the lead wire insertion hole. The base structure of the light emitting device. 前記口金取付用芯部の外表面には雄ネジが形成されているとともに、
前記口金シェルの内表面には、前記雄ネジに対応する雌ネジが形成されており、
さらに、前記口金取付用芯部の先端部内面はその断面が多角形状に形成されているとともに、
前記口金アダプタの他方側端部は、その断面が多角形状に形成され、前記口金取付用芯部の先端部内側に嵌め込まれていることを特徴とする請求項１に記載の口金構造。 A male screw is formed on the outer surface of the core mounting core,
On the inner surface of the base shell, a female screw corresponding to the male screw is formed,
Furthermore, the inner surface of the tip end portion of the core attaching core has a polygonal cross section, and
2. The base structure according to claim 1, wherein the other end portion of the base adapter has a polygonal cross section and is fitted inside a tip end portion of the base for attaching the base. 3. 請求項１または２に記載した口金構造を備えた発光装置。
 A light emitting device comprising the base structure according to claim 1 .
JP2011045342A 2011-03-02 2011-03-02 Base structure of light emitting device and light emitting device having the same Expired - Fee Related JP4913247B1 (en)

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