JPH08159976A - Warning method for damage position and detecting system therefor - Google Patents
Warning method for damage position and detecting system thereforInfo
- Publication number
- JPH08159976A JPH08159976A JP6331995A JP33199594A JPH08159976A JP H08159976 A JPH08159976 A JP H08159976A JP 6331995 A JP6331995 A JP 6331995A JP 33199594 A JP33199594 A JP 33199594A JP H08159976 A JPH08159976 A JP H08159976A
- Authority
- JP
- Japan
- Prior art keywords
- light
- base material
- layer
- surface layer
- emitting layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Working Measures On Existing Buildindgs (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、基材表面層や基材に及
ぶように発生したクラックなどの損傷箇所を、発光によ
り自己警報することができる損傷箇所の警報方法に関す
ると共に、発光により自己警報を行っている損傷箇所を
確実で容易かつ低コストに検出することが可能な検知シ
ステムに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for alarming a damaged portion, which enables self-warning of a damaged portion such as a crack generated in a base material surface layer or a base material by emitting light, and a self-warning method by emitting light. The present invention relates to a detection system capable of reliably, easily and inexpensively detecting a damaged portion that is issuing an alarm.
【０００２】[0002]
【従来の技術】機械類の構成部品や、橋，堤防，ビルデ
ィング，工業用タンクなどの外壁を構成する部材（以
下、基材と総称）に、衝撃が加ったり疲労・劣化により
クラックなどのような損傷が発生した場合には、放置し
ておくと大事故につながることもあるため、速やかにこ
れを検出して補修する必要がある。2. Description of the Related Art Mechanical components and members (hereinafter collectively referred to as base materials) that form outer walls of bridges, levees, buildings, industrial tanks, etc. are subject to cracks due to impact or fatigue / deterioration. If such damage occurs, it may lead to a serious accident if it is left unattended, so it is necessary to promptly detect and repair it.
【０００３】ところで、基材表面層や基材に発生したク
ラックなどのような損傷箇所を検出するには、一般的に
は、作業員による目視検査による場合と、レーザ光や超
音波を用いて検出したり電気特性の変化に基づいて検出
するなどの機械検査による場合とがある。By the way, in order to detect a damaged portion such as a crack generated in the surface layer of the base material or the base material, generally, a visual inspection by an operator or a laser beam or an ultrasonic wave is used. In some cases, mechanical inspection such as detection or detection based on changes in electrical characteristics is performed.
【０００４】例えば、ビルディングのコンクリート外壁
のような基材表面層を目視検査する場合には、作業員が
ゴンドラやリフトに乗って移動しながら一定エリアを順
次検査していかなければならない。また、機械検査によ
る場合には、レーザ光の照射や超音波の発振を行うと共
に、その反射波に基づいてクラックなど基材表面層や基
材に発生している異常を解析する複雑な検査装置が必要
となる。For example, when visually inspecting a base material surface layer such as a concrete outer wall of a building, a worker must sequentially inspect a certain area while moving on a gondola or a lift. Also, in the case of mechanical inspection, a complicated inspection device that irradiates laser light and oscillates ultrasonic waves and analyzes anomalies occurring in the substrate surface layer or substrate such as cracks based on the reflected waves Is required.
【０００５】[0005]
【発明が解決しようとする課題】しかしながら、上記し
たような従来の目視検査では、人手も時間もかかる上に
危険であり、しかも微細なクラックなどの検出は困難で
あるなどの問題がある。また、夜間暗闇における目視検
査はほとんど実行不可能である。However, the conventional visual inspection as described above has a problem that it is labor-consuming, time-consuming, and dangerous, and that it is difficult to detect fine cracks. Also, visual inspection in the dark at night is almost impractical.
【０００６】さらに、上記したような機械検査による場
合にも、微細なクラックなどの検出は困難であると共
に、検査装置も高価であり操作も熟練を有するため、さ
らにコスト高になるなどの問題がある。Further, even in the case of the mechanical inspection as described above, it is difficult to detect minute cracks and the like, and the inspection device is expensive and the operation is highly skilled. Therefore, there is a problem that the cost is further increased. is there.
【０００７】しかも、これらの検査は事故防止のため一
定期間毎に、また、衝撃や地震などが発生した毎に行う
必要があり、簡便でコストの低減化が可能な検査方法が
要請されている。In addition, these inspections must be performed at regular intervals to prevent accidents and each time a shock or earthquake occurs, and a simple and cost-effective inspection method is demanded. .
【０００８】本発明者は、基材表面層などに発生したク
ラックのような損傷箇所の検査方法について鋭意研究し
た結果、被検査対象物に対し、その損傷箇所が発光して
自己警報を行う機能を付与することにより、目視検査に
おいてもあるいは機械検査においても、確実な検査を容
易かつ低コストに行えることを知見した。As a result of earnest research on a method of inspecting a damaged portion such as a crack generated in a surface layer of a base material, the present inventor has a function of emitting light at the damaged portion and issuing a self-alarm for an object to be inspected. It has been found that by adding the mark, a reliable inspection can be performed easily and at low cost in both visual inspection and mechanical inspection.
【０００９】本発明は、上記したような事情に基づいて
なされたものであり、その目的とするところは、基材表
面層や基材に及ぶように発生したクラックなどのような
損傷箇所を、発光部分として自己警報し容易に目視検査
させることが可能な損傷箇所の警報方法、及び、その自
己警報を確実で容易かつ低コストに検出することが可能
な損傷箇所の検知システムを提供することにある。The present invention has been made based on the above-mentioned circumstances, and an object of the present invention is to provide a damaged portion such as a crack generated so as to extend to a surface layer of a base material or a base material. To provide a method of alarming a damaged portion that can be self-alarmed as a light emitting part and can be visually inspected easily, and a system for detecting a damaged portion that can reliably and easily detect the self-alarm. is there.
【００１０】[0010]
【課題を解決するための手段】本発明は、上記のような
目的を達成するために、損傷箇所の警報方法としては、
基材に塗布される上塗り層など基材表面層の下層側、又
は、基材の表面部分あるいは内部部分に光照射による発
光層を形成し、基材表面層や基材に及ぶようにクラック
などの損傷が発生した場合には、損傷箇所からの入射光
によりその箇所の発光層が照射されて発光し、この発光
により外部へ向けて自己警報を行うことを特徴とする。In order to achieve the above object, the present invention provides, as a method of warning a damaged portion,
A light emitting layer is formed by light irradiation on the lower side of the base material surface layer such as an overcoat layer applied to the base material, or on the surface part or the inner part of the base material, and cracks extend to the base material surface layer and the base material. When the damage occurs, the light emitting layer in the damaged area is irradiated with the incident light from the damaged area to emit light, and the emitted light gives a self-alarm to the outside.
【００１１】発光層は、光照射により励起されて残光す
る蓄光材の含有層や、この蓄光材と蛍光物質や光反射物
質などとの含有層よりなることを特徴とし、さらに蓄光
材は、ストロンチウム・アルミネートに希土類元素で付
活した希土類付活系で長時間・高輝度な残光性を有する
蓄光材よりなることを特徴とする。The luminescent layer is characterized by comprising a layer containing a phosphorescent material which is excited by light irradiation and afterglow, and a layer containing this phosphorescent material and a fluorescent substance or a light reflecting substance. It is a rare earth activation system in which strontium aluminate is activated with a rare earth element, and it is made of a phosphorescent material having a long-term, high-luminance afterglow property.
【００１２】また、損傷箇所の検知システムとしては、
基材表面層側からの放射光を受光する受光手段と、受光
手段からの入射光を基材表面層における反射光か発光層
からの放射光か光強度の差異により弁別する入射光弁別
手段と、入射光弁別手段からの弁別信号の有無により発
光層からの放射光の部分を基材表面層あるいは基材にお
ける損傷部位として告知する損傷警告手段とを具備する
ことを特徴とする。Further, as a system for detecting a damaged portion,
A light receiving means for receiving the emitted light from the base material surface layer side, and an incident light discriminating means for discriminating the incident light from the light receiving means by reflected light in the base material surface layer or emitted light from the light emitting layer based on the difference in light intensity. A damage warning means for notifying the portion of the radiated light from the light emitting layer as a damaged portion on the surface layer of the base material or the base material according to the presence or absence of the discrimination signal from the incident light discrimination means.
【００１３】[0013]
【作用】基材表面層などにクラックのような損傷が発生
した場合には、下層側に形成されている発光層に損傷箇
所から入射光が照射され、その部分の発光層が発光し、
この発光により外部へ向けて自己警報を行う。[Function] When damage such as cracks occurs in the base material surface layer, the light emitting layer formed on the lower layer side is irradiated with incident light from the damaged portion, and the light emitting layer in that portion emits light.
This light emission gives a self-alarm to the outside.
【００１４】また、損傷箇所から外部へ向けて自己警報
を行う発光と、基材表面層における反射光との光強度の
差異により、クラックなど基材表面層や基材に発生した
損傷箇所の検出を行う。Further, due to the difference in light intensity between the light emitted from the damaged portion to the outside for self-alarming and the reflected light on the surface layer of the base material, detection of a damaged portion such as a crack generated on the surface layer of the base material or the base material. I do.
【００１５】[0015]
【実施例】以下、本発明の実施例を図面に基づき詳細に
説明する。図１は本発明に係る警報時の一実施例を示す
説明用断面図であり、図２は図１における警報時以前の
状態を示す説明用断面図である。尚、本実施例に係る基
材は建築物のコンクリートとして説明する。Embodiments of the present invention will now be described in detail with reference to the drawings. FIG. 1 is an explanatory sectional view showing an embodiment according to the present invention during an alarm, and FIG. 2 is an explanatory sectional view showing a state before an alarm in FIG. The base material according to the present embodiment will be described as concrete for a building.
【００１６】まず、図１に示すように、コンクリートな
どの基材１上には、塗料などで下塗り層２ａ，中塗り層
２ｂ，上塗り層２ｃよりなる表面仕上げ層２が塗布形成
される。First, as shown in FIG. 1, a surface finishing layer 2 consisting of an undercoat layer 2a, an intermediate coating layer 2b, and an overcoat layer 2c is formed by coating on a base material 1 such as concrete.
【００１７】そして、基材表面層となる上塗り層２ｃの
下層側の中塗り層２ｂは、自然光などの照射により発光
する発光層として形成される。この場合における発光層
２ｂは、光照射により励起状態とされて発光する蓄光材
を用いるのが好適であるが、とりわけ最適な発光層２ｂ
としては、光照射により励起状態とされ長時間・高輝度
で発光する蓄光材を顔料として含有する塗料によって形
成されるものである。The intermediate coating layer 2b on the lower layer side of the upper coating layer 2c, which is the surface layer of the base material, is formed as a light emitting layer which emits light when irradiated with natural light or the like. In this case, the light emitting layer 2b is preferably made of a phosphorescent material which is excited by light irradiation to emit light, and the most suitable light emitting layer 2b.
The above is formed by a coating material containing as a pigment a phosphorescent material that is excited by light irradiation and emits light with high brightness for a long time.
【００１８】そのような蓄光材としては、本発明者の開
発に係る希土類付活系の蓄光材、すなわちストロンチウ
ム・アルミネート（ＳｒＡｌ２Ｏ４）に希土類元素（Ｄ
ｙ，Ｅｕ，Ｙ）で付活した蓄光材（以下、本蓄光材とい
う）が用いられる。As such a phosphorescent material, a rare earth activated phosphorescent material developed by the present inventor, that is, strontium aluminate (SrAl 2 O 4 ) is used as a rare earth element (D).
y, Eu, Y) is used as the phosphorescent material (hereinafter referred to as the present phosphorescent material).
【００１９】その理由は、従来のＺｎＳ：Ｃｕ系の蓄光
材を用いる場合いに比べ、格段にその残光性と輝度性に
優れるためである。本蓄光材を顔料として用いる場合
と、上記した従来の蓄光材を顔料として用いる場合との
特性の比較を表１に示す。The reason is that the afterglow property and the brightness are remarkably excellent as compared with the case of using the conventional ZnS: Cu-based phosphorescent material. Table 1 shows a comparison of characteristics between the case where the present phosphorescent material is used as a pigment and the case where the above conventional phosphorescent material is used as a pigment.
【００２０】しかして、図１に示すように、衝撃や疲労
・劣化などにより基材表面層２ｃにクラック３などの損
傷が発生した場合には、その損傷箇所からの入射光によ
りその部分の発光層２ｂが照射されて発光し、基材表面
層２ｃからはこの発光による自己警報が行なわれる。However, as shown in FIG. 1, when damage such as cracks 3 occurs in the base material surface layer 2c due to impact, fatigue, deterioration, etc., the incident light from the damaged portion causes light emission in that portion. The layer 2b is irradiated and emits light, and the substrate surface layer 2c gives a self-alarm by this emission.
【００２１】すなわち、基材表面層２ｃには、基材表面
層２ｃにおける反射光（図中点線で示した矢印）の他
に、発光層２ｂからの特有な輝度の発光（図中実線で示
した矢印）が現出することとなるので、互いの光強度の
差異によって損傷箇所の目視検査を行うことができるの
である。特に、発光層２ｂを長時間・高輝度で発光する
本蓄光材を用いて形成した場合には、夜間暗闇の中でも
きわめて容易に損傷箇所の目視検査を行うことができ
る。That is, on the base material surface layer 2c, in addition to the light reflected by the base material surface layer 2c (the arrow shown by the dotted line in the figure), light emission with a specific brightness from the light emitting layer 2b (shown by the solid line in the figure). Therefore, the visual inspection of the damaged portion can be performed by the difference in the light intensities. In particular, when the light emitting layer 2b is formed using the present phosphorescent material that emits light with high brightness for a long time, it is possible to perform a visual inspection of a damaged portion very easily even in the darkness at night.
【００２２】一方、発光層２ｂは本蓄光材と一般的な蛍
光物質や光反射物質を顔料として含有する塗料によって
形成してもよい。これらの場合には、本蓄光材が光照射
により励起状態にある昼間時でも損傷箇所の発光による
自己警報を目視可能に行うことができる。On the other hand, the light emitting layer 2b may be formed by a coating material containing the present phosphorescent material and a general fluorescent substance or light reflecting substance as a pigment. In these cases, even during the daytime when the present phosphorescent material is in an excited state by light irradiation, a self-alarm by light emission of a damaged portion can be visually confirmed.
【００２３】尚、発光層２ｂは一般的な蛍光物質や光反
射物質を顔料として含有する塗料だけで形成してもよ
い。また、発光層２ｂは塗装層として説明したが、これ
に限定されず強化プラスチック板などとして形成し、基
材１の補強材を兼ねるようにしても有効である。The light emitting layer 2b may be formed only by a paint containing a general fluorescent substance or light reflecting substance as a pigment. Further, although the light emitting layer 2b has been described as a coating layer, the present invention is not limited to this, and it is also effective to form it as a reinforced plastic plate or the like and double as a reinforcing material for the substrate 1.
【００２４】次に、図３に示すものは、図１るおける下
塗り層２ａで直接基材表面層を形成したものであり、ま
た、基材１の表面部分あるいは内部部分に光照射による
発光層２ｂを形成し、基材表面層２ａから基材１に及ぶ
ようにクラック３などの損傷が発生した場合を示してい
る。Next, as shown in FIG. 3, the surface layer of the base material is directly formed by the undercoat layer 2a in FIG. 1, and the surface portion or the inner portion of the base material 1 is irradiated with light to form a light emitting layer. 2b shows the case where damage such as cracks 3 occurs so as to extend from the base material surface layer 2a to the base material 1.
【００２５】この場合にも、上記した実施例と同様に、
損傷箇所からの入射光によりその箇所の発光層２ｂが照
射されて発光し、この発光により外部へ向けて自己警報
を行う。Also in this case, as in the above-mentioned embodiment,
The light-emitting layer 2b at the damaged portion is illuminated by the incident light from the damaged portion to emit light, and the emitted light gives a self-alarm to the outside.
【００２６】図４は、損傷箇所の自己警報を機械的に確
実にキャッチするための検査システムの概略構成を示す
ものである。すなわち、基材表面層２ｃ（２ａ）側から
の放射光を受光する受光手段１０、受光手段１０からの
入射光を基材表面層２ｃ（２ａ）における反射光か発光
層２ｂからの放射光か光強度の差異により弁別する入射
光弁別手段１１、入射光弁別手段１１からの弁別信号の
有無により発光層２ｂからの発光部分を基材表面層２ｃ
（２ａ）あるいは基材１における損傷部位として告知す
る損傷警告手段１２を備える。FIG. 4 shows a schematic structure of an inspection system for mechanically and reliably catching a self-alarm of a damaged portion. That is, the light receiving means 10 for receiving the emitted light from the base material surface layer 2c (2a) side, the incident light from the light receiving means 10 is reflected light in the base material surface layer 2c (2a) or the emitted light from the light emitting layer 2b. Incident light discriminating means 11 for discriminating on the basis of the difference in light intensity, and a light emitting portion from the light emitting layer 2b for judging the presence or absence of a discrimination signal from the incident light discriminating means 11 for the base material surface layer 2c.
(2a) or damage warning means 12 for notifying as a damaged portion on the substrate 1 is provided.
【００２７】尚、損傷警告手段１２における損傷部位の
告知方法としては、機械音による場合や画像表示による
場合、双方を組合わせる場合などがある。また、この検
査システム遂行のための装置には、図示しないが装置全
体の移動手段，受光手段１０の駆動手段，検査データ記
憶手段などを具備してもよい。As a method of notifying a damaged portion in the damage warning means 12, there are a case of using a mechanical sound, a case of displaying an image, and a case of combining both. Although not shown, the apparatus for performing the inspection system may include a moving means for the entire apparatus, a driving means for the light receiving means 10, an inspection data storage means, and the like.
【００２８】従って、発光層２ｂが蓄光材のみの含有層
よりなる場合には、昼間部は損傷箇所からの入射光は蓄
光材に吸収されるため、入射光弁別手段１１では、損傷
箇所からの放射光は基材表面層２ｃ（２ａ）における反
射光に対して負の入射光として検出されるが、夜間部な
どにおいては反対に正の入射光として検出される。Therefore, when the light-emitting layer 2b is made of a layer containing only the light-storing material, the incident light from the damaged portion is absorbed by the light-storing material in the daytime portion, and therefore the incident light discriminating means 11 detects the light from the damaged portion. The emitted light is detected as a negative incident light with respect to the reflected light on the base material surface layer 2c (2a), but is detected as a positive incident light in the nighttime and the like.
【００２９】また、発光層２ｂが蓄光材と蛍光物質や光
反射物質との含有層よりなる場合には、昼間部及び夜間
部のいずれにおいても入射光弁別手段１１では、損傷箇
所からの放射光は基材表面層２ｃ（２ａ）における反射
光に対して正の入射光として検出される。When the light-emitting layer 2b is made of a layer containing a phosphorescent material and a fluorescent substance or a light-reflecting substance, the incident light discriminating means 11 emits light emitted from the damaged portion in both the daytime portion and the night portion. Is detected as a positive incident light with respect to the reflected light on the base material surface layer 2c (2a).
【００３０】よって、上記した損傷箇所の警報方法に係
る実施例によれば、基材表面層２ｃや基材に及ぶような
クラックなどの損傷が発生した場合、下層側に形成され
ている発光層に損傷箇所から入射光が照射し、その部分
の発光層が発光しこの発光により、外部へ向けて自己警
報を行い、夜間でも容易に目視検査を行うことができ
る。Therefore, according to the embodiment relating to the above-mentioned damage location warning method, when a damage such as a crack reaching the base material surface layer 2c or the base material occurs, the light emitting layer formed on the lower layer side. The incident light is radiated from the damaged portion, the light emitting layer in that portion emits light, and the emitted light gives a self-alarm to the outside, and a visual inspection can be easily performed even at night.
【００３１】また、上記した検知システムに係る実施例
によれば、損傷箇所から外部へ向けて自己警報を行う発
光と、基材表面層における反射光との光強度の差異によ
り、クラックなど基材表面層や基材に及ぶように発生し
た損傷箇所の検出を行うので、その自己警報を確実で容
易かつ低コストに検出することができる。Further, according to the embodiment of the above-mentioned detection system, the base material such as a crack is caused by the difference in light intensity between the light emission for self-alarming from the damaged portion to the outside and the reflected light in the surface layer of the base material. Since the damaged portion that has reached the surface layer or the base material is detected, the self-alarm can be detected reliably, easily and at low cost.
【００３２】尚、以上の実施例では、基材１は建築物の
コンクリートとして説明したが、これと同様に橋や堤防
あるいは工業用タンクなど不動のものや外壁類の他、航
空機の外壁や機械類の構成部品など可動性を有する基
材、小型の基材などにも実施可能であることは勿論であ
り、その場合には人為的に設けられた暗室において検査
することが可能である。In the above embodiments, the base material 1 is explained as concrete for buildings, but in the same manner as this, immobile objects such as bridges, levees, and industrial tanks and outer walls, as well as aircraft outer walls and machines. It is needless to say that the present invention can be applied to a movable base material such as component parts of a kind, a small base material, and the like, and in that case, the inspection can be performed in a dark room artificially provided.
【００３３】[0033]
【発明の効果】以上説明したように、請求項１乃至５に
係る発明によれば、基材表面層の下層側や基材に発光層
が形成されているので、基材表面層や基材に及ぶように
クラックなどの損傷が発生した場合には、損傷箇所から
の入射光によりその損傷箇所から外部へ向けて放射され
る発光によって自己警報を行うことができ、夜間暗闇で
も容易に目視検査を行うことができる。As described above, according to the inventions according to claims 1 to 5, since the light emitting layer is formed on the lower side of the base material surface layer or on the base material, the base material surface layer or the base material If damage such as a crack occurs over the entire length, self-warning can be performed by light emitted from the damaged portion to the outside by incident light from the damaged portion, and visual inspection is easy even in the dark at night. It can be performed.
【００３４】また、請求項６に係る発明によれば、損傷
箇所から外部へ向けて自己警報を行う発光と基材表面層
における反射光との光強度の差異により、クラックなど
基材表面層や基材に及ぶように発生した損傷箇所の検出
を行うので、損傷箇所からの発光としての自己警報を、
確実で容易かつ低コストに検出することができる。Further, according to the invention of claim 6, due to a difference in light intensity between the light emission for self-alarming from the damaged portion to the outside and the reflected light on the base material surface layer, a base material surface layer such as a crack is generated. Since it detects the damaged part that has occurred to reach the base material, self-alarm as light emission from the damaged part,
It can be detected reliably, easily and at low cost.
【図１】本発明に係る警報時の一実施例を示す説明用断
面図である。FIG. 1 is an explanatory cross-sectional view showing an embodiment during an alarm according to the present invention.
【図２】図１における警報時以前の状態を示す説明用断
面図である。FIG. 2 is an explanatory sectional view showing a state before an alarm in FIG.
【図３】図１に対する他の実施例を示す説明用断面図で
ある。FIG. 3 is an explanatory sectional view showing another embodiment with respect to FIG.
【図４】損傷箇所の自己警報を検知する検査システムの
概略構成図である。FIG. 4 is a schematic configuration diagram of an inspection system that detects a self-alarm of a damaged portion.
１ 基材 ２ 表面仕上げ層 ２ｂ 発光層 ２ｃ，２ａ 基材表面層 ３ クラック １０ 受光手段 １１ 入射光弁別手段 １２ 損傷警告手段 1 Base Material 2 Surface Finishing Layer 2b Light Emitting Layers 2c, 2a Base Material Surface Layer 3 Crack 10 Light Receiving Means 11 Incident Light Discriminating Means 12 Damage Warning Means
【表１】 [Table 1]
Claims (6)
層の下層側に光照射による発光層を形成し、基材表面層
にクラックなどの損傷が発生した場合には、損傷箇所か
らの入射光によりその箇所の発光層が照射されて発光
し、この発光により外部へ向けて自己警報を行うことを
特徴とする損傷箇所の警報方法。1. When a light emitting layer is formed by light irradiation on the lower side of a base material surface layer such as an overcoat layer applied to the base material, and when damage such as cracks occurs in the base material surface layer, the damaged portion is removed from the damaged portion. The illuminating layer at that location is illuminated by the incident light and emits light, and the self-alarm is given to the outside by the emitted light.
表面部分あるいは内部部分に光照射による発光層を形成
し、基材表面層から基材に及ぶようにクラックなどの損
傷が発生した場合には、損傷箇所からの入射光によりそ
の箇所の発光層が照射されて発光し、この発光により外
部へ向けて自己警報を行うことを特徴とする損傷箇所の
警報方法。2. A light emitting layer is formed by light irradiation on a surface portion or an inner portion of a base material having a base material surface layer such as an overcoat layer, and damage such as cracks occurs so as to extend from the base material surface layer to the base material. In this case, a method of alarming a damaged part is characterized in that the light emitting layer at that part is illuminated by the incident light from the damaged part to emit light, and the self-alarm is given to the outside by this light emission.
する蓄光材の含有層よりなることを特徴とする請求項１
又は２記載の損傷箇所の警報方法。3. The light emitting layer is formed of a layer containing a phosphorescent material which is excited by light irradiation and afterglows.
Or the method of warning the damaged part described in 2.
する蓄光材と、蛍光物質又は／及び光反射物質との含有
層よりなることを特徴とする請求項１又は２記載の損傷
箇所の警報方法。4. The damaged part according to claim 1 or 2, wherein the light emitting layer comprises a layer containing a phosphorescent material which is excited by light irradiation and afterglow and a fluorescent substance and / or a light reflecting substance. Alarm method.
トに希土類元素で付活した希土類付活系の長時間・高輝
度の残光性を有する蓄光材よりなることを特徴とする請
求項３又は４記載の損傷箇所の警報方法。5. The phosphorescent material comprises a phosphorescent material having a long-term, high-luminance afterglow property of a rare earth-activated system obtained by activating strontium aluminate with a rare earth element. Warning method for the damaged part described.
光手段と、受光手段からの入射光を基材表面層における
反射光か発光層からの放射光か光強度の差異により弁別
する入射光弁別手段と、入射光弁別手段からの弁別信号
の有無により発光層からの放射光の部分を、基材表面層
あるいは基材における損傷部位として告知する損傷警告
手段とを具備することを特徴とする損傷箇所の検知シス
テム。6. A light receiving means for receiving the emitted light from the base material surface layer side and an incident light from the light receiving means are discriminated based on a difference in light intensity between reflected light on the base material surface layer or emitted light from the light emitting layer. It is provided with an incident light discriminating means and a damage warning means for notifying a portion of the emitted light from the light emitting layer as a damaged portion of the base material surface layer or the base material according to the presence or absence of a discrimination signal from the incident light discriminating means. A damaged point detection system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6331995A JPH08159976A (en) | 1994-11-30 | 1994-11-30 | Warning method for damage position and detecting system therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6331995A JPH08159976A (en) | 1994-11-30 | 1994-11-30 | Warning method for damage position and detecting system therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08159976A true JPH08159976A (en) | 1996-06-21 |
Family
ID=18249970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6331995A Pending JPH08159976A (en) | 1994-11-30 | 1994-11-30 | Warning method for damage position and detecting system therefor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08159976A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013083493A (en) * | 2011-10-07 | 2013-05-09 | Koichi Takahashi | Method for inspecting deterioration of structure, structure, and coating |
| JP2013088405A (en) * | 2011-10-21 | 2013-05-13 | Toagosei Co Ltd | Concrete structure and method of manufacturing the same |
| WO2014178161A1 (en) * | 2013-04-30 | 2014-11-06 | バンドー化学株式会社 | Power transmitting belt |
| KR102068056B1 (en) * | 2019-06-12 | 2020-02-11 | 최병호 | Waterproof sheet with self-crack filing system by oxidation-reduction and flocculation reaction |
-
1994
- 1994-11-30 JP JP6331995A patent/JPH08159976A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013083493A (en) * | 2011-10-07 | 2013-05-09 | Koichi Takahashi | Method for inspecting deterioration of structure, structure, and coating |
| JP2013088405A (en) * | 2011-10-21 | 2013-05-13 | Toagosei Co Ltd | Concrete structure and method of manufacturing the same |
| WO2014178161A1 (en) * | 2013-04-30 | 2014-11-06 | バンドー化学株式会社 | Power transmitting belt |
| KR102068056B1 (en) * | 2019-06-12 | 2020-02-11 | 최병호 | Waterproof sheet with self-crack filing system by oxidation-reduction and flocculation reaction |
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