JP6118074B2

JP6118074B2 - Blackboard equipment

Info

Publication number: JP6118074B2
Application number: JP2012249542A
Authority: JP
Inventors: 青井　成樹; 成樹青井; 岡田　実; 実岡田; 隆一倉橋
Original assignee: 株式会社青井黒板製作所
Priority date: 2012-11-13
Filing date: 2012-11-13
Publication date: 2017-04-19
Anticipated expiration: 2032-11-13
Also published as: JP2014099285A

Description

本発明は、黒板の上端部に照明装置を設置して黒板装置に関するものである。 The present invention relates to a blackboard device in which a lighting device is installed at the upper end of the blackboard.

従来におけるこの種の黒板装置としては、例えば本願と同一出願人によって出願された下記特許文献１に記載されたものがある。これは、黒板照明装置が、黒板の上端部にその長手方向全域にわたって嵌合する本体笠枠を有し、この本体笠枠内に下面側が開口したライト取付部を形成し、ライト取付部に多数のＬＥＤを直線状に配設することによって形成されるＬＥＤライトを取り付けたものである。この黒板照明装置によれば、黒板と一体に設置されるから、昇降式黒板でも、黒板の昇降による照度が変わらず、またＬＥＤを使用しているから、蛍光灯よりも長寿命で、消費電力を少なく、節電になる。 As a conventional blackboard device of this type, for example, there is one described in Patent Document 1 filed by the same applicant as the present application. This is because the blackboard lighting device has a main body shade frame that fits over the entire length of the blackboard at the upper end of the blackboard, and a light attachment portion having an open bottom surface is formed in the main body shade frame. The LED light formed by arranging the LEDs in a straight line is attached. According to this blackboard lighting device, since it is installed integrally with the blackboard, the illuminance due to the raising and lowering of the blackboard does not change even with the lifting type blackboard, and it uses LEDs, so it has a longer life than the fluorescent lamp and consumes power To save power.

実用新案登録第３１６１４５４号公報Utility Model Registration No. 31161454

しかしながら、上記特許文献１に記載された黒板装置の照明装置は、黒板の上端部にその長手方向全域にわたるように配置される本体笠枠内のライト取付部に多数のＬＥＤを、本体笠枠の全長にわたって直線状に配設することによりＬＥＤライトを形成したもので、ＬＥＤライトが黒板全長にわたって一体のものとして形成されているから、本体笠枠内に配設されるＬＥＤの一部を交換するような時には、本体笠枠全体を黒板から取り外さなければならず、交換作業にかなり手間がかかり、また長さが３６００ｍｍや４５００ｍｍといった大型の黒板では、本体笠枠が長尺なものとなるため、本体笠枠の現場への搬入及びその設置作業に困難を来す。また本体笠枠が黒板の上端部にその長手方向全域にわたって嵌合する構造であるため、平面黒板にしか取付けできず、曲面黒板や半曲面黒板には適用することができない。 However, the lighting device of the blackboard device described in the above-mentioned Patent Document 1 has a large number of LEDs on the light mounting portion in the main body shade frame arranged at the upper end portion of the blackboard so as to extend over the entire longitudinal direction of the blackboard device. The LED light is formed by arranging it linearly over the entire length, and since the LED light is formed as an integral one over the entire length of the blackboard, a part of the LED arranged in the main body shade frame is replaced. In such a case, the entire body shade frame must be removed from the blackboard, and it takes a lot of work to replace it. Also, on large blackboards with a length of 3600 mm or 4500 mm, the body shade frame is long. Difficult to bring the main body frame into the field and install it. Further, since the main body shade frame is structured to be fitted to the upper end portion of the blackboard over the entire longitudinal direction, it can only be attached to a flat blackboard and cannot be applied to a curved blackboard or a semi-curved blackboard.

本発明は、上記の事情に鑑み、黒板への照明装置の設置が容易であると共に、照明装置の一部が破損して交換を要するような場合にその作業が容易に行なえる照明装置を備えた黒板装置を提供することを目的としている。 In view of the above circumstances, the present invention includes an illuminating device that can be easily installed when the illuminating device is easily installed on a blackboard and part of the illuminating device is damaged and needs to be replaced. The purpose is to provide a blackboard device.

上記課題を解決するための手段を、後述する実施形態の参照符号を付して説明すると、請求項１に係る発明は、黒板１の上端部に照明装置２を設置してなる黒板装置であって、照明装置２は、単位長さに形成した金属製灯具本体３内にＬＥＤモジュール４を灯具本体長さ方向に沿って配設することにより形成される複数の灯具ユニット５と、各灯具ユニット５の灯具本体３に先端部が取り付けられる取付アーム６とからなるもので、各灯具ユニット５の灯具本体３をその長さ方向端部どうし連結し、各灯具ユニット５の灯具本体３に取付アーム６の先端部を取り付け、その取付アーム６の基端部を黒板１の上端部に取り付けるようにしてなる黒板装置において、
各灯具ユニット５の灯具本体３には後部側壁部Ｂの上部壁部Ｂａ背面側に、一条の断面上向き略倒Ｔ字状のナット嵌合溝９を灯具本体３の全長にわたって形成し、取付アーム６の先端部を灯具ユニット５の灯具本体３に直交して取り付けるにあたって、ナット嵌合溝９の上面側に、該ナット嵌合溝９に直交して取付アーム６の先端部を載置し、この取付アーム６先端部を把持する取付用把持片１６からボルト１７を、一条のナット嵌合溝９内に回転不能状態に挿入配置したナット部材１８に螺合緊締することにより、取付アーム６の先端部を灯具本体３に直交して取り付けるようにし、
且つ、各灯具ユニット５の灯具本体３の全長にわたって形成した一条の断面上向き略倒Ｔ字状の前記ナット嵌合溝９を用い、各灯具ユニット５の灯具本体３をその長さ方向端部どうし連結するにあたり、両灯具本体３，３の前記両ナット嵌合溝９，９内にわたってナット部材３６を回転不能状態に挿入配置すると共に、両ナット嵌合溝９，９の上面側に連結板３７を配置して、連結板３７からビス３８を、ナット部材３６のネジ孔３６ａに螺合緊締することにより、灯具本体３をその長さ方向端部どうし連結するようにしたことを特徴とする。 The means for solving the above problems, will be described are denoted by the reference numerals of the embodiments described below, the invention according to claim 1, met blackboard apparatus formed by installing a lighting apparatus 2 to the upper end of the board 1 The lighting device 2 includes a plurality of lamp units 5 formed by disposing the LED modules 4 along the length direction of the lamp body in a metal lamp body 3 formed in a unit length, and each lamp unit. 5 is attached to the lamp body 3 of each lamp unit 5 by connecting the lamp body 3 of each lamp unit 5 to each other in the longitudinal direction. In the blackboard device in which the front end of 6 is attached and the base end of the attachment arm 6 is attached to the upper end of the blackboard 1 ,
A lamp fitting body 9 of each lamp unit 5 is formed on the rear side of the upper wall portion Ba of the rear side wall portion B with a single section of a substantially inverted T-shaped nut fitting groove 9 extending over the entire length of the lamp body 3, When attaching the tip of 6 perpendicular to the lamp body 3 of the lamp unit 5, the tip of the attachment arm 6 is placed on the upper surface of the nut fitting groove 9 and perpendicular to the nut fitting groove 9. The bolt 17 from the mounting grip piece 16 that grips the tip of the mounting arm 6 is screwed and tightened to the nut member 18 that is inserted and arranged in a single nut fitting groove 9 in a non-rotatable state. The tip is attached perpendicular to the lamp body 3,
In addition, the lamp fitting body 3 of each lamp unit 5 is formed between the end portions in the longitudinal direction using the nut fitting groove 9 having a substantially inverted T-shaped section extending upward along the entire length of the lamp body 3 of each lamp unit 5. In connection, the nut member 36 is inserted and arranged in the non-rotatable state over the nut fitting grooves 9 and 9 of the lamp main bodies 3 and 3, and the connecting plate 37 is provided on the upper surface side of the nut fitting grooves 9 and 9. And the lamp body 3 is connected to each other in its lengthwise direction by screwing and tightening the screw 38 from the connecting plate 37 to the screw hole 36a of the nut member 36.

請求項２は、請求項１に記載の黒板装置において、各灯具ユニット５の灯具本体３は、断面略Ｃ字状の前部側壁部Ａと後部側壁部Ｂとによって中空枠状に形成され、後部側壁部Ｂは、上部壁部Ｂａと中間壁部Ｂｃと下部壁部Ｂｂとからなるもので、中間壁部ＢｃにＬＥＤモジュール４が取り付けられ、上部壁部Ｂａと下部側壁部Ｂｂとの間に横断面末広がり状の開口部８が灯具本体全長にわたって形成されており、この開口部８内に半透明カバー１０を取り付けるようにしたことを特徴とする。 Claim 2 is the blackboard device according to claim 1, wherein the lamp body 3 of each lamp unit 5 is formed in a hollow frame shape by a front side wall part A and a rear side wall part B having a substantially C-shaped cross section, rear side wall portion B is made of a an upper wall portion Ba and the intermediate wall portion Bc and the lower wall portion Bb, LED module 4 is attached to the intermediate wall portion Bc, the upper Bukabe portion Ba and a lower side wall portion Bb An opening 8 having a laterally widening end is formed between the entire length of the lamp body, and a translucent cover 10 is attached in the opening 8.

請求項３は、請求項１又は２に記載の黒板装置において、取付アーム６はパイプ材からなるもので、取付アーム６の基端部を黒板１の上端部に取り付けるにあたり、ベース板１９上に突設した取付軸部２０に、下向きに延びる取付アーム６の基端部を嵌合して固定し、このベース板１９を黒板１の上端部に固定するようにしたことを特徴とする。 According to a third aspect of the present invention, in the blackboard device according to the first or second aspect , the mounting arm 6 is made of a pipe material, and the base end of the mounting arm 6 is attached to the upper end of the blackboard 1 on the base plate 19. The base end portion of the mounting arm 6 extending downward is fitted and fixed to the projecting mounting shaft portion 20, and the base plate 19 is fixed to the upper end portion of the blackboard 1.

請求項４は、請求項１〜３の何れかに記載の黒板装置において、各灯具ユニット５の灯具本体３内に配設したＬＥＤモジュール４の配線コード１２を取付アーム６に通すようにしたことを特徴とする。 According to a fourth aspect of the present invention, in the blackboard device according to any one of the first to third aspects, the wiring cord 12 of the LED module 4 disposed in the lamp body 3 of each lamp unit 5 is passed through the mounting arm 6. It is characterized by.

上記解決手段による発明の効果を、後述する実施形態の参照符号を付して説明すると、請求項１に係る発明の黒板装置によれば、照明装置２は、単位長さに形成した金属製灯具本体３内にＬＥＤモジュール４を灯具本体長さ方向に沿って配設することにより形成される複数の灯具ユニット５と、各灯具ユニット５の灯具本体３に先端部が取り付けられる取付アーム６とからなるもので、灯具本体３の単位長さを例えば１８００ｍｍに設定すれば、この長さ１８００ｍｍの灯具本体３で形成される灯具ユニット５を２つ連結することにより、左右長さ３６００ｍｍの黒板１に設置できるし、同じ灯具ユニット５を３つ連結すれば、左右長さが５４００ｍｍの黒板１に設置できる。従って、同じ単位長さの灯具ユニット５を複数接続し、あるいは複数の異なる単位長さの灯具ユニット５（例えば長さ１８００ｍｍと９００ｍｍの灯具ユニット５）を複数接続することによって、任意の必要とする長さの照明装置２を形成することができる。また、照明装置２を黒板１に設置するには、各灯具ユニット５の灯具本体３を端部どうし連結し、各灯具ユニット５の灯具本体３に取付アーム６の先端部を取り付け、その取付アーム６の基端部を黒板１の上端部に取り付けるようにすればよいから、その設置作業を簡単且つ容易に行なえると共に、平面黒板に限らず、曲面黒板や半曲面黒板にも設置することができる。 The effect of the invention by the above means will be described with reference numerals in the embodiments described later. According to the blackboard device of the invention of claim 1, the lighting device 2 is a metal lamp formed in a unit length. A plurality of lamp units 5 formed by disposing the LED module 4 in the main body 3 along the length direction of the lamp main body, and an attachment arm 6 whose tip is attached to the lamp main body 3 of each lamp unit 5. Thus, if the unit length of the lamp body 3 is set to 1800 mm, for example, two lamp units 5 formed by the lamp body 3 having a length of 1800 mm are connected to the blackboard 1 having a left and right length of 3600 mm. If the same lamp unit 5 is connected, it can be installed on the blackboard 1 having a left and right length of 5400 mm. Therefore, a plurality of lamp units 5 having the same unit length are connected, or a plurality of lamp units 5 having different unit lengths (for example, a lamp unit 5 having a length of 1800 mm and 900 mm) are connected. The lighting device 2 having a length can be formed. In order to install the lighting device 2 on the blackboard 1, the lamp main bodies 3 of the respective lamp units 5 are connected to each other, and the tip of the mounting arm 6 is attached to the lamp main body 3 of each lamp unit 5. It is only necessary to attach the base end portion of 6 to the upper end portion of the blackboard 1, so that the installation work can be easily and easily performed, and it can be installed not only on a flat blackboard but also on a curved blackboard or a semi-curved blackboard. it can.

そして、この照明装置２によれば、照明装置２が複数の灯具ユニット５からなるため、灯具ユニット５などの現場への搬入及びその取付作業が容易となり、そして照明装置２の一部が破損するなどして、取り替えを必要とする時には、灯具ユニット５ごとに取り替えすればよいから、取り替え作業が簡単容易で、取り替えに要するコストも安くて済み、非常に経済的である。
又、本発明の照明装置２によれば、取付アーム６の先端部を灯具ユニット５の灯具本体３に直交して取り付けるにあたり、灯具本体３の後部側壁部Ｂの背面側に、灯具本体３の全長にわたって形成した一条の断面上向き略倒Ｔ字状のナット嵌合溝９の上面側に、該ナット嵌合溝９に直交して取付アーム６の先端部を載置し、この取付アーム６先端部を把持する取付用把持片１６からボルト１７を、一条のナット嵌合溝９内に回転不能状態に挿入配置したナット部材１８に螺合緊締することにより、取付アーム６の先端部を灯具本体３に取り付けるようにしたから、灯具本体３に直交して取り付ける取付アーム６先端部の取付位置を灯具本体３の長さ方向に沿って任意に設定できると共に、灯具本体３の長さ方向に任意の間隔で何本の取付アーム６でも簡単容易に取り付けることができる。
更に又、本発明の照明装置２によれば、各灯具ユニット５の灯具本体３をその長さ方向端部どうし連結するあたり、隣り合う両灯具本体３，３の前記両ナット嵌合溝９，９内にわたってナット部材３６を回転不能状態に挿入配置すると共に、両ナット嵌合溝９，９の上面側に連結板３７を配置して、連結板３７からビス３８を、ナット部材３６のネジ孔３６ａに螺合緊締することにより、隣り合う両灯具本体３，３を簡単容易にして的確に一体的に連結することができる。 And according to this illuminating device 2, since the illuminating device 2 consists of a some lamp unit 5, carrying in to the field of the lamp unit 5 etc. and its attachment work becomes easy, and a part of illuminating device 2 is damaged. Thus, when it is necessary to replace the lamp unit 5, it is sufficient to replace each lamp unit 5. Therefore, the replacement operation is simple and easy, the cost required for the replacement is low, and it is very economical.
In addition, according to the lighting device 2 of the present invention, when the tip of the mounting arm 6 is mounted perpendicularly to the lamp body 3 of the lamp unit 5, the lamp body 3 is mounted on the back side of the rear side wall B of the lamp body 3. A tip end of the mounting arm 6 is placed on the upper surface of a substantially inverted T-shaped nut fitting groove 9 formed over the entire length and perpendicular to the nut fitting groove 9. The bolt 17 from the mounting gripping piece 16 that grips the portion is screwed and tightened to the nut member 18 that is inserted and arranged in a non-rotatable state in the single nut fitting groove 9, so that the tip of the mounting arm 6 is attached to the lamp body. 3, the attachment position of the distal end of the attachment arm 6 attached orthogonally to the lamp body 3 can be arbitrarily set along the length direction of the lamp body 3, and can be arbitrarily set in the length direction of the lamp body 3. How many mounting arcs at intervals of Can easily easily attached even 6.
Furthermore, according to the illuminating device 2 of the present invention, when the lamp body 3 of each lamp unit 5 is connected to each other in the longitudinal direction, the nut fitting grooves 9, 9, the nut member 36 is inserted and arranged in a non-rotatable state, and a connecting plate 37 is arranged on the upper surface side of both nut fitting grooves 9, 9, and screws 38 are connected to the screw holes of the nut member 36 from the connecting plate 37. By screwing and tightening to 36a, it is possible to easily and easily connect the adjacent two lamp main bodies 3 and 3 together.

請求項２に係る発明の照明装置２によれば、各灯具ユニット５の灯具本体３は、断面略Ｃ字状の前部側壁部Ａと後部側壁部Ｂとによって中空枠状に形成され、後部側壁部Ｂは、上部壁部Ｂａと中間壁部Ｂｃと下部壁部Ｂｂとからなるもので、中間壁部ＢｃにＬＥＤモジュール４が取り付けられ、上部壁部Ｂａと下部側壁部Ｂｂとの間に横断面末広がり状の開口部８が灯具本体全長にわたって形成されているから、ＬＥＤモジュール４から発した光は、横断面末広がり状に開口する開口部８より黒板１の表面を有効に照らすことができる。また、灯具本体３は金属製のもので、中空枠状に形成されているから、放熱機能を十分に発揮して、ＬＥＤモジュール４の過熱を有効に防止できると共に、この灯具本体３内の中空部３ａ，３ｂを、配線コードを通し入れる配線コード用通路として有効に利用できる。また、黒板１の正面側にある灯具本体３の前部側壁部Ａが断面略Ｃ字状に形成されているから、外観上の体裁、見栄えが良い上に、後部側壁部Ｂとの間に断面積が十分大きい中空部３ａ，３ｂを形成でき、それによって放熱効果が一層良くなる。また開口部８内に半透明カバー１０を取り付けているから、ＬＥＤモジュール４からの光は、眩しさやチラつきが少なく、柔らかい光となり、黒板表面の文字等が見易くなる。 According to the lighting device 2 of the invention according to claim 2, the lamp body 3 of each lamp unit 5 is formed in a hollow frame shape by the front side wall part A and the rear side wall part B having a substantially C-shaped cross section, and the rear part side wall section B is made of a an upper wall portion Ba and the intermediate wall portion Bc and the lower wall portion Bb, LED module 4 is attached to the intermediate wall portion Bc, between the upper Bukabe portion Ba and a lower side wall portion Bb Since the opening 8 having a wide end at the end of the cross section is formed over the entire length of the lamp body, the light emitted from the LED module 4 can effectively illuminate the surface of the blackboard 1 from the opening 8 opening at the end of the cross section. it can. Further, since the lamp body 3 is made of a metal and is formed in a hollow frame shape, the lamp module 4 can sufficiently exhibit a heat radiation function to effectively prevent the LED module 4 from being overheated. The portions 3a and 3b can be effectively used as a wiring cord passage through which the wiring cord is inserted. Moreover, since the front side wall part A of the lamp body 3 on the front side of the blackboard 1 is formed in a substantially C-shaped cross section, the appearance and appearance are good, and between the rear side wall part B The hollow portions 3a and 3b having a sufficiently large cross-sectional area can be formed, thereby further improving the heat dissipation effect. Moreover, since the translucent cover 10 is attached in the opening part 8, the light from the LED module 4 has less glare and flickering, becomes soft light, and the letters on the blackboard surface are easy to see.

請求項３に係る発明の照明装置２によれば、取付アーム６の基端部を黒板１の上端部に取り付けるにあたり、ベース板１９上に突設した取付軸部２０に、下向きに延びる取付アーム６の基端部を嵌合して固定し、このベース板１９を黒板１の上端部に固定するようにしたから、取付アーム６の基端部を黒板１の上端部に対し簡単且つ容易で強固に取付け固定することができる。 According to the lighting device 2 of the invention according to claim 3 , when attaching the base end portion of the attachment arm 6 to the upper end portion of the blackboard 1, the attachment arm extending downward is attached to the attachment shaft portion 20 protruding from the base plate 19. Since the base plate 19 is fitted and fixed, and the base plate 19 is fixed to the upper end of the blackboard 1, the base end of the mounting arm 6 is simple and easy with respect to the upper end of the blackboard 1. It can be firmly attached and fixed.

請求項４に係る発明の照明装置２によれば、灯具ユニット５の灯具本体３内に配設したＬＥＤモジュール４の配線コード１２を取付アーム６に通し入れるようにしているため、配線コード１２が黒板１の上部側に無造作に飛び出すようなことがなくなり、外観を損ない見栄えを悪くするようなことがない。
According to the lighting device 2 of the invention according to claim 4 , since the wiring cord 12 of the LED module 4 disposed in the lamp body 3 of the lamp unit 5 is inserted into the mounting arm 6, the wiring cord 12 is There is no such thing as jumping out of the top side of the blackboard 1, and the appearance is not impaired and the appearance is not deteriorated.

(a) は本発明に係る黒板装置の正面図、(b) は同黒板装置の平面図、(c) は同黒板装置の側面図である。(a) is a front view of the blackboard apparatus according to the present invention, (b) is a plan view of the blackboard apparatus, and (c) is a side view of the blackboard apparatus. (a) は照明装置の一部拡大平面図、(b) は(a) のＸ−Ｘ線断面図である。(a) is a partially enlarged plan view of the lighting device, and (b) is a sectional view taken along line XX of (a). 取付アームの基端部を黒板の上端部に取り付けた状態の断面図である。It is sectional drawing of the state which attached the base end part of the attachment arm to the upper end part of a blackboard. 取付アームの基端部をベース板上の取付軸部に嵌挿している状態を示す斜視図である。It is a perspective view which shows the state which has fitted the base end part of the attachment arm in the attachment shaft part on a base board. 図２の(a) のＹ−Ｙ線断面図である。It is the YY sectional view taken on the line of (a) of FIG. (a) は各灯具ユニットの灯具本体どうしを連結板で連結した状態の平面図、(b) は(a) のＺ−Ｚ線断面図である。(a) is a top view of the state which connected the lamp main body of each lamp unit with the connection board, (b) is the ZZ sectional view taken on the line of (a).

以下に本発明の好適な一実施形態を図面に基づいて説明すると、本発明に係る黒板装置を示す図１の(a) 〜(c) において、１は黒板、２は黒板１の上端部に設置された照明装置を示す。黒板１の上下端縁には上下縁枠２１，２２が、また左右端縁には左右縁枠２３，２３が取り付けてある。また黒板１は、図１の(c) に概略示すように、昇降枠２４に一体的に取り付けられており、この昇降枠２４は、周知の昇降駆動手段（図示省略）を介して固定枠体２５に昇降可能に保持され、従って昇降枠２４と一体の黒板１は、昇降駆動手段の昇降駆動によって所定ストローク昇降することができる。図１の(a) には、黒板１が下動限位置まで下降した状態を仮想線で示している。尚、黒板１は、図３に示すように、基板１ｏに表面板１ａを貼着してなるもので、基板１ｏの裏面側上端部に昇降枠２４の上枠材３４が固着されている。 A preferred embodiment of the present invention will be described below with reference to the drawings. In (a) to (c) of FIG. 1 showing a blackboard device according to the present invention, 1 is a blackboard, 2 is the upper end of the blackboard 1 The installed lighting device is shown. Upper and lower edge frames 21 and 22 are attached to the upper and lower edges of the blackboard 1, and left and right edge frames 23 and 23 are attached to the left and right edges. Further, as schematically shown in FIG. 1 (c), the blackboard 1 is integrally attached to an elevating frame 24. The elevating frame 24 is fixed to a fixed frame body via known elevating drive means (not shown). The blackboard 1 integrated with the lifting frame 24 can be moved up and down by a predetermined stroke by the lifting drive of the lifting drive means. In FIG. 1 (a), the state in which the blackboard 1 is lowered to the lower movement limit position is indicated by a virtual line. As shown in FIG. 3, the blackboard 1 is formed by adhering a surface plate 1a to a substrate 1o, and an upper frame member 34 of the elevating frame 24 is fixed to the upper end of the back surface of the substrate 1o.

照明装置２は、図１及び図２に示すように、単位長さに形成したアルミ押出形材製の灯具本体３内にＬＥＤモジュール４を灯具本体長さ方向に沿って配設することにより形成される複数の（ここでは２つの）灯具ユニット５，５と、各灯具ユニット５の灯具本体３に先端部が取り付けられる取付アーム６とからなり、各灯具ユニット５の灯具本体３を端部どうし連結し、各灯具ユニット５の灯具本体３に取付アーム６の先端部を取り付けると共に、その取付アーム６の基端部を黒板１の上端部に取り付けるようにしたものである。 As shown in FIGS. 1 and 2, the lighting device 2 is formed by disposing the LED module 4 along the length direction of the lamp body in the lamp body 3 made of an extruded aluminum member having a unit length. A plurality of (two here) lamp units 5, 5 and a mounting arm 6 whose tip is attached to the lamp body 3 of each lamp unit 5, and the lamp body 3 of each lamp unit 5 is connected between the ends. The front end of the mounting arm 6 is attached to the lamp body 3 of each lamp unit 5 and the base end of the mounting arm 6 is attached to the upper end of the blackboard 1.

上記照明装置２の構造について更に詳しく説明すれば、先ず、各灯具ユニット５を構成する灯具本体３は、アルミ押出形材からなるもので、図２の(a) 及び(b) に示すように、断面略Ｃ字状の前部側壁部Ａと、後部側壁部Ｂとによって中空枠状に形成され、後部側壁部Ｂは、上部壁部Ｂａと下部壁部Ｂｂと中間壁部Ｂｃとからなり、中間壁部Ｂｃは、上部壁部Ｂａの下端部と下部壁部Ｂｂの上端部とをつなぐと共に前部側壁部Ａの裏面側中段部につながるように延びており、上部壁部Ｂａの背面側段部Ｂｏには断面略倒Ｔ字状のナット嵌合溝９が形成されており。そして、中間壁部Ｂｃの下面側にＬＥＤモジュール４が取り付けられていて、このモジュール４の取付部を扇の要としてこれより断面略扇形に開口する開口部８が、上部壁部Ｂａの背面側段部Ｂｏと下部壁部Ｂｂとの間に形成され、この開口部８内にはプラスチック製の半透明カバー１０が取り付けられている。また、灯具本体３の両端面側には夫々アルミニウム製の端板３ｏが取り付けられている（図２の(b) 参照）。 If the structure of the said illuminating device 2 is demonstrated in more detail, first, the lamp main body 3 which comprises each lamp unit 5 will consist of an aluminum extruded shape, and as shown to (a) and (b) of FIG. The front side wall part A having a substantially C-shaped cross section and the rear side wall part B are formed in a hollow frame shape, and the rear side wall part B is composed of an upper wall part Ba, a lower wall part Bb, and an intermediate wall part Bc. The intermediate wall portion Bc connects the lower end portion of the upper wall portion Ba and the upper end portion of the lower wall portion Bb, and extends so as to be connected to the back side middle step portion of the front side wall portion A. The rear surface of the upper wall portion Ba A nut fitting groove 9 having a substantially inverted T-shaped cross section is formed in the side step portion Bo. The LED module 4 is attached to the lower surface side of the intermediate wall portion Bc, and the opening portion 8 that opens in a substantially fan-shaped cross section from the mounting portion of the module 4 as a main part of the fan is on the back side of the upper wall portion Ba. A plastic translucent cover 10 is attached to the opening 8 formed between the step Bo and the lower wall Bb. Further, end plates 3o made of aluminum are respectively attached to both end surfaces of the lamp body 3 (see FIG. 2B).

各灯具ユニット５の灯具本体３は、単位長さが１８００ｍｍに形成されたもので、この実施形態の照明装置２では、図１の(a) ，(b) に示すように２つの灯具ユニット５，５の灯具本体３，３が端部どうし連結されることにより、両灯具本体３，３の全長は３６００ｍｍとなる。即ち、図１に示される黒板１の長さが３６００ｍｍである場合、この黒板１の長さに合うように照明装置２の左右方向長さを設定するには、灯具本体３の長さが１８００ｍｍである灯具ユニット５を２つ使用すればよいことになる。 The lamp body 3 of each lamp unit 5 has a unit length of 1800 mm. In the lighting device 2 of this embodiment, as shown in FIGS. 1 (a) and 1 (b), two lamp units 5 are provided. , 5 are connected to each other by their ends, so that the total length of both lamp bodies 3, 3 is 3600 mm. That is, when the length of the blackboard 1 shown in FIG. 1 is 3600 mm, in order to set the length of the lighting device 2 in the left-right direction so as to match the length of the blackboard 1, the length of the lamp body 3 is 1800 mm. It is sufficient to use two lamp units 5 that are.

各灯具ユニット５は、前記したように、単位長さに形成したアルミ押出形材製灯具本体３と、この灯具本体３内に灯具本体長さ方向に沿って配設されたＬＥＤモジュール４と、からなるもので、ＬＥＤモジュール４は、図２の(a) ，(b) に示すように、灯具本体３の中間側壁部Ｂｃ下面側に、灯具本体３長さ方向に沿って取り付けられている。尚、ＬＥＤモジュールとは、ＬＥＤパッケージ（ＬＥＤチップを封入し基板に接続し易くしたもの）を基板に取り付けて使用可能にした最小構成のの製品のことで、比較的長さの短い短片状のものから長さの長い帯状体のものまで種々あるが、この実施形態では、灯具本体３とほぼ同じ長さに形成した比較的長さの長い帯状体のものを使用している。 Each lamp unit 5 includes, as described above, an aluminum extruded body lamp body 3 formed to a unit length, and an LED module 4 disposed in the lamp body 3 along the lamp body length direction. As shown in FIGS. 2A and 2B, the LED module 4 is attached to the lower surface side of the intermediate side wall Bc of the lamp body 3 along the length direction of the lamp body 3. . An LED module is a product with a minimum configuration in which an LED package (a LED chip encapsulated and easily connected to a substrate) is attached to the substrate and can be used. There are various types of strips having a long length, but in this embodiment, a strip having a relatively long length formed to be approximately the same length as the lamp body 3 is used.

取付アーム６は、図５に示すようなアルミニウム製の扁平状パイプ材からなるもので、黒板１の上端部に取り付けられる基端部側が、図３に示すように黒板１の上端部から垂直に立ち上がり、この立上部６ａから水平に延びる水平部６ｂの先端部が、図２の(b) に示すように灯具ユニット５の灯具本体３に取り付けられるようになっている。尚、図１に示す照明装置２では、各灯具ユニット５の灯具本体３に対し２本の取付アーム６，６が取り付けられる。 The mounting arm 6 is made of an aluminum flat pipe material as shown in FIG. 5, and the base end side attached to the upper end portion of the blackboard 1 is perpendicular to the upper end portion of the blackboard 1 as shown in FIG. As shown in FIG. 2B, the front end of the horizontal portion 6b that rises and extends horizontally from the upright portion 6a is attached to the lamp body 3 of the lamp unit 5. In the lighting device 2 shown in FIG. 1, two attachment arms 6 and 6 are attached to the lamp body 3 of each lamp unit 5.

この取付アーム６の先端部を灯具ユニット５の灯具本体３に取り付けるにあたっては、図２の(a) ，(b) 及び図５から分かるように、ナット嵌合溝９が形成されている後部側壁部Ｂの背面側段部Ｂｏの上面（ナット嵌合溝９の上面側）に、取付アーム６の水平部６ｂの先端部を載置し、この取付アーム６の先端部を把持する略Ω形状の取付用把持片１６のボルト挿通孔１６ｏから、ボルト１７を、ナット嵌合溝９内に回転不能状態に挿入配置したナット部材１８のネジ孔１８ａに螺合し緊締することにより、取付アーム６の先端部を灯具本体３に対し簡単にして的確に取付け固定することができる。取付用把持片１６は、図５に示すように取付アーム６の先端部をナット嵌合溝９の上面に載置した状態で、取付アーム６に上から嵌合する嵌合凸部１６ａと、この嵌合凸部１６ａの両端側に水平に延びる取付部片１６ｂ，１６ｂとからなる。 In attaching the front end of the mounting arm 6 to the lamp body 3 of the lamp unit 5, as can be seen from FIGS. 2 (a), (b) and FIG. 5, the rear side wall in which the nut fitting groove 9 is formed. The front end portion of the horizontal portion 6b of the mounting arm 6 is placed on the upper surface of the rear side stepped portion Bo of the portion B (the upper surface side of the nut fitting groove 9), and the front end portion of the mounting arm 6 is gripped. From the bolt insertion hole 16o of the mounting gripping piece 16, a bolt 17 is screwed into a screw hole 18a of a nut member 18 inserted and arranged in a non-rotatable state in the nut fitting groove 9 to be tightened. It is possible to easily attach and fix the front end of the lamp to the lamp body 3 in a simple manner. As shown in FIG. 5, the mounting gripping piece 16 has a fitting convex portion 16 a that fits the mounting arm 6 from above in a state where the tip of the mounting arm 6 is placed on the upper surface of the nut fitting groove 9. The fitting projection 16a includes attachment pieces 16b and 16b extending horizontally at both ends.

上記のように取付アーム６の先端部を灯具本体３に取り付けるのに、ナット嵌合溝９の上面側に取付アーム６の先端部を載置して、この取付アーム６の先端部を把持する取付用把持片１６のボルト挿通孔１６ｏからボルト１７を、ナット嵌合溝９内に挿入配置したナット部材１８のネジ孔１８ａに螺合緊締するようにすれば、灯具本体３に対する取付アーム６先端部の取付位置を灯具本体３の長さ方向に沿って任意に設定できると共に、何本の取付アーム６でも簡単容易に取り付けることができる。 In order to attach the tip of the mounting arm 6 to the lamp body 3 as described above, the tip of the mounting arm 6 is placed on the upper surface side of the nut fitting groove 9 and the tip of the mounting arm 6 is gripped. If the bolt 17 is screwed and tightened into the screw hole 18a of the nut member 18 inserted and arranged in the nut fitting groove 9 from the bolt insertion hole 16o of the mounting gripping piece 16, the tip of the mounting arm 6 with respect to the lamp body 3 is secured. The attachment position of the part can be arbitrarily set along the length direction of the lamp body 3 and any number of attachment arms 6 can be easily and easily attached.

また、取付アーム６の基端部を黒板１の上端部に取り付けるにあたっては、図３及び図４に示すように、矩形状のベース板１９の上面中央部に垂直に突設した取付軸部２０に、下向きに延びる取付アーム６の基端部を外嵌合して、ボルト２６によって固定し、そして図３に示すようにベース板１９を黒板１の上端部にある上枠材３４にボルト２７によって固定すればよい。 Further, when the base end portion of the mounting arm 6 is attached to the upper end portion of the blackboard 1, as shown in FIGS. 3 and 4, the mounting shaft portion 20 that protrudes perpendicularly to the center portion of the upper surface of the rectangular base plate 19. The base end portion of the downwardly extending mounting arm 6 is externally fitted and fixed by a bolt 26, and the base plate 19 is bolted to the upper frame member 34 at the upper end portion of the blackboard 1 as shown in FIG. It may be fixed by.

この場合、図３及び図４に示すように、取付アーム６の基端部には、ボルト２６を挿通させるボルト挿通孔２８を上下に複数設け、同時にボルト挿通孔２８の上側にケーブル取出孔２９を設けておく。ベース板１９の取付軸部２０にはボルト２６が螺合するネジ孔３０を設けておく。ベース板１９は、ベース板本体１９ａとこれの一側端部を下向き直角に折曲した端部折曲片１９ｂとからなるもので、ベース板本体１９ａ及び端部折曲片１９ｂにはボルト２７が挿通するボルト挿通孔３１及びビス３２が挿通するビス挿通孔３３を設けておく。従って、取付アーム６の基端部をベース板１９上の取付軸部２０に嵌合した状態で、ボルト２６を取付アーム６のボルト挿通孔２８から取付軸部２０のネジ孔３０に螺入して緊締する。また、ベース板１９を黒板１の上端部に固定するには、図３に示すように、ボルト２７を、ボルト挿通孔３１から、黒板１の裏面側上端部に固着された昇降枠２４の上枠材３４に予め設けてある下孔３５に螺合締結し、またビス挿通孔３３からビス３２を黒板１の基板１ｏにねじ込めばよい。尚、昇降枠２４の上枠材３４は、図１の(b) に概略示すような平面視Ｌ字形の連結金具３９を介して黒板１の基板１ｏの上端面にボルトで連結固定されている。 In this case, as shown in FIGS. 3 and 4, the base end portion of the mounting arm 6 is provided with a plurality of bolt insertion holes 28 through which the bolts 26 are inserted, and at the same time, a cable extraction hole 29 on the upper side of the bolt insertion hole 28. Is provided. A screw hole 30 into which a bolt 26 is screwed is provided in the mounting shaft portion 20 of the base plate 19. The base plate 19 includes a base plate main body 19a and an end bent piece 19b obtained by bending one end of the base plate downward at a right angle. The base plate main body 19a and the end bent piece 19b include bolts 27. A bolt insertion hole 31 through which a screw is inserted and a screw insertion hole 33 through which a screw 32 is inserted are provided. Accordingly, the bolt 26 is screwed into the screw hole 30 of the mounting shaft portion 20 from the bolt insertion hole 28 of the mounting arm 6 with the base end portion of the mounting arm 6 fitted to the mounting shaft portion 20 on the base plate 19. Tighten. In order to fix the base plate 19 to the upper end portion of the blackboard 1, as shown in FIG. 3, the bolts 27 are placed on the lifting frame 24 fixed to the upper end portion on the back side of the blackboard 1 from the bolt insertion holes 31. It is only necessary to screw and fasten to a lower hole 35 provided in advance in the frame member 34 and screw the screw 32 into the board 1o of the blackboard 1 from the screw insertion hole 33. Note that the upper frame member 34 of the elevating frame 24 is connected and fixed to the upper end surface of the board 1o of the blackboard 1 with a bolt via a connection metal fitting 39 having an L shape in plan view as schematically shown in FIG. .

上記のように取付アーム６の基端部を黒板１の上端部に取り付けるにあたり、ベース板１９上に突設した取付軸部２０に、取付アーム６の基端部を嵌合してボルト２６によって固定し、このベース板１９を黒板１の上端部にボルト２７及びビス３２で固定するようにすることで、取付アーム６の基端部を黒板１の上端部に対し簡単且つ容易で強固に取付け固定することができる。また、ベース板１９は、ベース板本体１９ａと折曲片１９ｂとからなるもので、ベース板本体１９ａを黒板上端部の上面側にボルト２７で固定し、折曲片１９ｂを黒板上端部の背面側にボルト２７で固定するようにしたから、ベース板１９を黒板１の上端部に対し安定良く強固に取り付けできて、取付アーム６の基端部をより強固に安定良く固定できる。 When the base end of the mounting arm 6 is attached to the upper end of the blackboard 1 as described above, the base end of the mounting arm 6 is fitted to the mounting shaft 20 projecting on the base plate 19 and the bolt 26 is used. By fixing the base plate 19 to the upper end of the blackboard 1 with bolts 27 and screws 32, the base end of the mounting arm 6 can be easily, easily and firmly attached to the upper end of the blackboard 1. Can be fixed. The base plate 19 is composed of a base plate main body 19a and a bent piece 19b. The base plate main body 19a is fixed to the upper surface of the upper end of the blackboard with a bolt 27, and the bent piece 19b is fixed to the back of the upper end of the blackboard. Since the base plate 19 is fixed to the upper end portion of the blackboard 1 stably and firmly, the base end portion of the mounting arm 6 can be fixed more firmly and stably.

図６は隣り合う２つの灯具ユニット５，５の灯具本体３，３どうしを一体的に連結する連結構造を示している。即ち、隣り合う双方の灯具ユニット５，５の対向する両灯具本体３，３どうしを連結するには、図６の(a) ，(b) に示すように、対向する両灯具本体３，３の両ナット嵌合溝９，９内にわたってナット部材３６を回転不能状態に挿入配置すると共に、両ナット嵌合溝９，９の上面側に帯板状の連結板３７を配置して、ビス３８を連結板３７のビス挿通孔３７ａからナット部材３６のネジ孔３６ａに螺合し、緊締することにより、双方の灯具ユニット５，５の灯具本体３，３どうしを一体的に連結する。この場合、連結板３７には、その両端部側にビス挿通孔３７ａが２つずつ設けられている。また、ナット部材３６は、連結板３７と同様な帯板状のもので、その両端部側にビス孔３６ａが２つずつ設けてある。 FIG. 6 shows a connection structure for integrally connecting the lamp bodies 3 and 3 of two adjacent lamp units 5 and 5. That is, in order to connect the opposing lamp bodies 3, 3 of both adjacent lamp units 5, 5, as shown in FIGS. 6 (a) and 6 (b), the opposing lamp bodies 3, 3 are opposed to each other. The nut member 36 is inserted and arranged in a non-rotatable state in both the nut fitting grooves 9 and 9, and a strip-like connecting plate 37 is arranged on the upper surface side of the both nut fitting grooves 9 and 9, and a screw 38. Is screwed into the screw hole 36a of the nut member 36 from the screw insertion hole 37a of the connecting plate 37 and tightened to integrally connect the lamp main bodies 3 and 3 of both the lamp units 5 and 5. In this case, the connecting plate 37 is provided with two screw insertion holes 37a on both ends thereof. Further, the nut member 36 is in the form of a band plate similar to the connecting plate 37, and two screw holes 36a are provided at both ends thereof.

上記のように両灯具ユニット５，５の灯具本体３，３をその端部どうし連結するのに、両灯具本体３，３の両ナット嵌合溝９，９内にわたってナット部材３６を挿入配置すると共に、両ナット嵌合溝９，９の上面側に連結板３７を配置して、連結板３７からビス３８を、ナット部材３６のネジ孔３６ａに螺合し緊締することにより、隣り合う両灯具本体３，３を簡単容易にして的確に一体的に連結することができる。 In order to connect the lamp main bodies 3 and 3 of the both lamp units 5 and 5 as described above, the nut members 36 are inserted and arranged in the nut fitting grooves 9 and 9 of the both lamp main bodies 3 and 3 as described above. At the same time, the connecting plate 37 is disposed on the upper surface side of the nut fitting grooves 9, 9, and the screws 38 from the connecting plate 37 are screwed into the screw holes 36 a of the nut member 36 and tightened, whereby both adjacent lamps are mounted. The main bodies 3 and 3 can be simply and easily connected together accurately.

以上説明した黒板装置の照明装置２は、単位長さに形成した金属製の灯具本体３内にＬＥＤモジュール４を灯具本体３の長さ方向に沿って配設することにより形成される複数の灯具ユニット５と、各灯具ユニット５の灯具本体３に先端部が取り付けられる取付アーム６とからなり、各灯具ユニット５の灯具本体３を端部どうし連結し、各灯具ユニット５の灯具本体３に取付アーム６の先端部を取り付け、その取付アーム６の基端部を黒板１の上端部に取り付けるようにしたものであるから、灯具本体３の単位長さを例えば１８００ｍｍに設定すれば、この長さ１８００ｍｍの灯具本体３で形成される灯具ユニット５を２つ連結することによって、左右長さが３６００ｍｍの黒板１に設置できるし、灯具ユニット５を３つ連結すれば、左右長さが５４００ｍｍの黒板１に設置できる。 The lighting device 2 of the blackboard device described above includes a plurality of lamps formed by disposing the LED module 4 along the length direction of the lamp body 3 in a metal lamp body 3 formed to a unit length. It comprises a unit 5 and an attachment arm 6 whose tip is attached to the lamp body 3 of each lamp unit 5. The lamp body 3 of each lamp unit 5 is connected to each other and attached to the lamp body 3 of each lamp unit 5. Since the distal end portion of the arm 6 is attached and the base end portion of the attachment arm 6 is attached to the upper end portion of the blackboard 1, if the unit length of the lamp body 3 is set to 1800 mm, for example, this length By connecting two lamp units 5 formed of a 1800 mm lamp body 3, the left and right length can be installed on the blackboard 1 3600 mm, and if three lamp units 5 are connected, the left and right length It can be installed on the blackboard 1 of 5400mm.

また、照明装置２を黒板１に設置するには、各灯具ユニット５の灯具本体３を端部どうし連結し、各灯具ユニット５の灯具本体３に取付アーム６の先端部を取り付け、その取付アーム６の基端部を黒板１の上端部に取り付けるようにすればよいから、その設置作業を簡単容易に行なうことができる。特に、この照明装置２によれば、上記のように同じ単位長さの灯具ユニット５を複数接続し、あるいは複数の異なった単位長さの灯具ユニット５（例えば長さ１８００ｍｍと９００ｍｍの灯具ユニット５）を複数接続することにより、任意の必要とする長さの照明装置２を形成することができる。黒板の長さは、学校用黒板の場合、１８００ｍｍ、２７００ｍｍ、３６００ｍｍ及び４５００ｍｍが一般的であるため、灯具本体３の単位長さとしては、１８００ｍｍと９００ｍｍの２種類が好ましい。 In order to install the lighting device 2 on the blackboard 1, the lamp main bodies 3 of the respective lamp units 5 are connected to each other, and the tip of the mounting arm 6 is attached to the lamp main body 3 of each lamp unit 5. Since the base end portion 6 may be attached to the upper end portion of the blackboard 1, the installation work can be easily and easily performed. In particular, according to the lighting device 2, a plurality of lamp units 5 having the same unit length are connected as described above, or a plurality of lamp units 5 having different unit lengths (for example, lamp units 5 having a length of 1800 mm and 900 mm). ) Can be connected to form a lighting device 2 having any desired length. In the case of a school blackboard, the length of the blackboard is generally 1800 mm, 2700 mm, 3600 mm, and 4500 mm. Therefore, the unit length of the lamp body 3 is preferably two types of 1800 mm and 900 mm.

そして、この照明装置２では、各灯具ユニット５のアルミ押出形材製の灯具本体３が、断面略Ｃ字状の前部側壁部Ａと後部側壁部Ｂとによって中空枠状に形成され、後部側壁部Ｂが上部壁部Ｂａと中間壁部Ｂｃと下部壁部Ｂｂとからなるもので、中間壁部ＢｃにＬＥＤモジュール４が取り付けられ、このモジュール取付部より上部壁部Ｂａと下部側壁部Ｂｂとの間に横断面末広がり状（横断面扇形状）の開口部８が灯具本体全長にわたり形成されているから、ＬＥＤモジュール４から発した光は、横断面末広がり状に開口する開口部８より黒板１の表面を有効に照らすことができる。また、灯具本体３はアルミ押出形材製のもので、中空枠状に形成されているから、放熱機能が十分に発揮されて、ＬＥＤモジュール４の過熱を有効に防止することができる。また灯具本体３内の中空部３ａ，３ｂは、配線コードを通し入れる配線コード用通路として有効に利用できる。また、黒板１の正面側に位置する灯具本体３の前部側壁部Ａが断面略Ｃ字状に形成されているから、外観上の体裁、見栄えが良い上に、後部側壁部Ｂとの間に断面積が十分大きい中空部３ａ，３ｂを形成でき、それによって放熱効果が一層良くなる。 And in this illuminating device 2, the lamp | ramp main body 3 made from the aluminum extrusion-shaped material of each lamp unit 5 is formed in hollow frame shape by the front side wall part A and the rear side wall part B which are cross-sectional substantially C-shaped, The side wall portion B includes an upper wall portion Ba, an intermediate wall portion Bc, and a lower wall portion Bb. The LED module 4 is attached to the intermediate wall portion Bc, and the upper wall portion Ba and the lower side wall portion Bb are attached to the module attachment portion. Since the opening 8 having a lateral cross-sectionally widening shape (cross-sectional fan shape) is formed over the entire length of the lamp body, light emitted from the LED module 4 is blackboard from the opening 8 that opens in the crosswise widening end shape. One surface can be effectively illuminated. Moreover, since the lamp main body 3 is made of an aluminum extruded profile and is formed in a hollow frame shape, the heat dissipation function is sufficiently exerted, and overheating of the LED module 4 can be effectively prevented. Further, the hollow portions 3a and 3b in the lamp body 3 can be effectively used as a wiring cord passage through which the wiring cord is inserted. Moreover, since the front side wall part A of the lamp body 3 located on the front side of the blackboard 1 is formed in a substantially C-shaped cross section, the appearance and appearance of the lamp body 3 are good, and between the rear side wall part B The hollow portions 3a and 3b having a sufficiently large cross-sectional area can be formed in this, thereby further improving the heat dissipation effect.

また、ＬＥＤモジュール４から発した光は、横断面末広がり状（横断面扇形状）に開口する開口部８内に設けてある半透明のカバー１０を通過するから、眩しさやチラツキの無い、柔らかで目に優しい光となって黒板１の表面を照らし、黒板１の表面に書かれた文字等が見易くなる。 Moreover, since the light emitted from the LED module 4 passes through the semi-transparent cover 10 provided in the opening 8 that opens in the shape of the end of the cross section (fan shape of the cross section), it is soft and free from glare and flicker. Light that is kind to the eyes illuminates the surface of the blackboard 1 and makes it easier to see characters and the like written on the surface of the blackboard 1.

また、この照明装置２によれば、取付アーム６の先端部を灯具ユニット５の灯具本体３に取り付けるにあたり、ナット嵌合溝９の上面側に、水平に延びる取付アーム６の先端部を載置し、この取付アーム６先端部を把持する取付用把持片１６からボルト１７を、ナット嵌合溝９内に回転不能状態に挿入配置したナット部材１８に螺合緊締することにより、取付アーム６の先端部を灯具本体３に取り付けるから、灯具本体３に対する取付アーム６先端部の取付位置を灯具本体３の長さ方向に沿って任意に設定できると共に、何本の取付アーム６でも簡単容易に取り付けることができる。 Further, according to this lighting device 2, when attaching the distal end portion of the mounting arm 6 to the lamp body 3 of the lamp unit 5, the distal end portion of the mounting arm 6 extending horizontally is placed on the upper surface side of the nut fitting groove 9. Then, the bolt 17 from the mounting gripping piece 16 that grips the tip of the mounting arm 6 is screwed and tightened to the nut member 18 inserted and arranged in the nut fitting groove 9 in a non-rotatable state. Since the tip is attached to the lamp body 3, the attachment position of the tip of the attachment arm 6 relative to the lamp body 3 can be arbitrarily set along the length direction of the lamp body 3, and any number of attachment arms 6 can be easily and easily attached. be able to.

また、この照明装置２によれば、取付アーム６がパイプ材からなるもので、取付アーム６の基端部を黒板１の上端部に取り付けるにあたり、ベース板１９上に突設した取付軸部２０に、下向きに延びる取付アーム６の基端部を嵌合して固定し、このベース板１９を黒板１の上端部に固定するようにしたから、取付アーム６の基端部を黒板１の上端部に対し簡単且つ容易で強固に取付け固定することができる。この場合、ベース板１９を、ベース板本体１９ａと折曲片１９ｂとで形成して、ベース板本体１９ａを黒板上面側に載設固定し、折曲片１９ｂを黒板上端部の背面側に当接して固定するようにすれば、ベース板１９を黒板１の上端部に対し安定良く強固に取り付けできて、取付アーム６の基端部をより強固に安定良く固定することができる。 Further, according to the lighting device 2, the mounting arm 6 is made of a pipe material, and the mounting shaft portion 20 that protrudes from the base plate 19 when the base end portion of the mounting arm 6 is attached to the upper end portion of the blackboard 1. Since the base end portion of the mounting arm 6 extending downward is fitted and fixed, and the base plate 19 is fixed to the upper end portion of the blackboard 1, the base end portion of the mounting arm 6 is fixed to the upper end of the blackboard 1. It can be easily and firmly attached and fixed to the part. In this case, the base plate 19 is formed by the base plate main body 19a and the bent piece 19b, the base plate main body 19a is placed and fixed on the upper surface side of the blackboard, and the bent piece 19b is applied to the rear surface side of the upper end portion of the blackboard. If fixed in contact, the base plate 19 can be stably and firmly attached to the upper end portion of the blackboard 1, and the base end portion of the attachment arm 6 can be more firmly and stably fixed.

また、この照明装置２では、各灯具ユニット５の灯具本体３をその端部どうし連結するのに、両灯具本体３，３の両ナット嵌合溝９，９内にわたってナット部材３６を回転不能状態に挿入配置すると共に、両ナット嵌合溝９，９の上面側に連結板３７を配置し、この連結板３７からビス３８を、ナット部材３６のネジ孔３６ａに螺合緊締することにより、隣り合う両灯具本体３，３を簡単容易にして的確に一体的に連結することができる。 Moreover, in this illuminating device 2, in order to connect the lamp main body 3 of each lamp unit 5 between the end parts, the nut member 36 cannot be rotated over both nut fitting grooves 9 and 9 of both the lamp main bodies 3 and 3. The connecting plate 37 is disposed on the upper surface side of the nut fitting grooves 9 and 9, and the screw 38 is screwed and fastened to the screw hole 36 a of the nut member 36 from the connecting plate 37. The matching lamp main bodies 3 and 3 can be easily and easily integrally connected.

また、この照明装置２にあっては、各灯具ユニット５の灯具本体３内に配設したＬＥＤモジュール４の配線コード１２を取付アーム６に通し入れるようにしているため、配線コード１２が黒板１の上部側に無造作に飛び出すようなことがなく、外観を損ない見栄えを悪くするようなことがない。 Moreover, in this illuminating device 2, since the wiring cord 12 of the LED module 4 arrange | positioned in the lamp main body 3 of each lamp unit 5 is penetrated to the attachment arm 6, the wiring cord 12 is the blackboard 1. There is no such thing as jumping out of the upper part of the door, and there is no such thing as deteriorating the appearance and appearance.

また、この照明装置２の大きな特徴は、照明装置２が複数の灯具ユニット５からなるため、灯具ユニット５などの現場への搬入及びその取付作業が容易であり、そしてまた照明装置２の一部が破損するなどして、取り替えを必要とする時には、灯具ユニット５ごとに取り替えすればよいから、取り替え作業が簡単容易で、取り替えに要するコストも安くて済み、非常に経済的である。 In addition, the great feature of the lighting device 2 is that the lighting device 2 is composed of a plurality of lamp units 5, so that it is easy to carry the lamp unit 5 and the like into the field and attach them, and a part of the lighting device 2. When the lamp unit 5 needs to be replaced when it is damaged or the like, the replacement is easy and easy, the cost required for the replacement is low, and it is very economical.

上述した黒板装置では、平面黒板について説明したが、この発明に係る照明装置２は、曲面黒板にも適用可能である。また、この照明装置２は、装置の新設時に限らず、既設の黒板にも取り付けるできるものである。 In the blackboard device described above, the flat blackboard has been described, but the lighting device 2 according to the present invention can also be applied to a curved blackboard. Moreover, this illuminating device 2 can be attached not only at the time of the new installation of an apparatus but also to the existing blackboard.

１黒板
２照明装置
３灯具本体
４ＬＥＤモジュール
５灯具ユニット
６取付アーム
６ａ取付アームの立上部
６ｂ取付アームの水平部
８開口部
９ナット嵌合溝
１０カバー
１６取付用把持片
１８ナット部材
１９ベース板
２０取付軸部 DESCRIPTION OF SYMBOLS 1 Blackboard 2 Illuminating device 3 Lamp body 4 LED module 5 Lamp unit 6 Mounting arm 6a Mounting arm upright part 6b Mounting arm horizontal portion 8 Opening portion 9 Nut fitting groove 10 Cover 16 Mounting grip piece 18 Nut member 19 Base plate 20 Mounting shaft

Claims

A blackboard device in which a lighting device is installed at the upper end of the blackboard ,
The lighting device includes a plurality of lamp units formed by disposing LED modules along a length direction of the lamp body in a metal lamp body formed in a unit length, and a distal end portion of the lamp body of each lamp unit. The lamp body of each lamp unit is connected to its end in the longitudinal direction, the tip of the mounting arm is attached to the lamp body of each lamp unit, and the base end of the mounting arm in blackboard apparatus comprising to attach the upper end portion of the blackboard,
In the lamp body of each lamp unit, a nut fitting groove having a substantially inverted T-shaped cross section is formed over the entire length of the lamp body on the rear side of the upper wall portion of the rear side wall portion, and the tip of the mounting arm is formed at the tip of the lamp unit. When mounting at right angles to the lamp body, the tip of the mounting arm is placed on the top surface of the nut fitting groove so as to be orthogonal to the nut fitting groove, and from the mounting gripping piece for gripping the tip of the mounting arm. By screwing and tightening the bolt to a nut member inserted and arranged in a non-rotatable state in a single nut fitting groove, the tip of the mounting arm is attached perpendicular to the lamp body,
In addition, when using the nut fitting groove having a substantially inverted T-shaped cross section formed over the entire length of the lamp body of each lamp unit and connecting the lamp bodies of the lamp units with each other in the lengthwise direction, both lamps A nut member is inserted and arranged in a non-rotatable state over both nut fitting grooves of the main body, a connecting plate is arranged on the upper surface side of both nut fitting grooves, and screws from the connecting plate are screwed into screw holes of the nut member. A blackboard device in which the lamp body is connected to each other at its longitudinal ends by tightening and tightening .

The lamp main body of each lamp unit is formed in a hollow frame shape by a front side wall portion and a rear side wall portion having a substantially C-shaped cross section, and the rear side wall portion includes an upper wall portion, an intermediate wall portion, and a lower wall portion. but, LED module is attached to the intermediate wall portion, the opening cross-section flared between the upper wall portion and the lower wall portion are formed over the lamp body entire length, a semi-transparent cover in the opening The blackboard device according to claim 1, wherein the blackboard device is attached.

The mounting arm is made of pipe material, and when attaching the base end of the mounting arm to the upper end of the blackboard, the base end of the mounting arm that extends downward is fitted to the mounting shaft protruding from the base plate. The blackboard device according to claim 1 or 2, wherein the base plate is fixed to an upper end portion of the blackboard.

The blackboard device according to any one of claims 1 to 3, wherein a wiring cord of an LED module disposed in a lamp body of each lamp unit is passed through an attachment arm.