JPH1184612A - Processing device of photosensitive material - Google Patents
Processing device of photosensitive materialInfo
- Publication number
- JPH1184612A JPH1184612A JP23704097A JP23704097A JPH1184612A JP H1184612 A JPH1184612 A JP H1184612A JP 23704097 A JP23704097 A JP 23704097A JP 23704097 A JP23704097 A JP 23704097A JP H1184612 A JPH1184612 A JP H1184612A
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- processing liquid
- heater
- processing
- water level
- 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.)
- Pending
Links
Landscapes
- Photographic Processing Devices Using Wet Methods (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は感光材料処理装置に
係わり、更に詳しくは感光材料を処理槽で処理液により
処理する感光材料処理装置に関し、特に処理液の加熱ヒ
ータの安全装置の改良に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a photosensitive material processing apparatus, and more particularly to a photosensitive material processing apparatus for processing a photosensitive material with a processing solution in a processing tank, and more particularly, to an improvement in a safety device for a heater for a processing solution.
【0002】[0002]
【従来の技術】従来より、感光材料を処理槽で処理液に
より処理する装置において、処理液は加熱ヒータで加温
される。この加熱ヒータが1つの検知部で検知して前記
加熱ヒータが過剰加熱を起こすと判定される場合に、加
熱ヒータの供給電源を切るようにした感光材料処理装置
が知られている。2. Description of the Related Art Conventionally, in an apparatus for processing a photosensitive material with a processing liquid in a processing tank, the processing liquid is heated by a heater. There has been known a photosensitive material processing apparatus in which when a heater detects one heater and it is determined that the heater causes excessive heating, the power supply to the heater is turned off.
【0003】[0003]
【発明が解決しようとする課題】しかしながら、加熱ヒ
ータが過剰加熱を起こしても、検知ミス、検知部の故障
等により、加熱ヒータの供給電源が切れないと、加熱ヒ
ータの周囲が過剰加熱して、処理槽容器の熱変形、加熱
ヒータの周囲機構の破損等の重大な影響をおよぼすこと
になる。However, even if the heating heater is overheated, if the power supply to the heating heater is not cut off due to a detection error or a failure in the detection unit, the surroundings of the heating heater may be overheated. This has a serious effect such as thermal deformation of the processing vessel container and breakage of the surrounding mechanism of the heater.
【0004】本発明は上記の課題に鑑みなされたもの
で、本発明の目的は、感光材料の処理液を加温する加熱
ヒータに対する安全性をより高めた感光材料処理装置を
提供することにある。SUMMARY OF THE INVENTION The present invention has been made in consideration of the above problems, and it is an object of the present invention to provide a photosensitive material processing apparatus in which the safety of a heater for heating a processing solution for a photosensitive material is further improved. .
【0005】[0005]
【課題を解決するための手段】上記の目的は下記のよう
な手段により達成される。即ち、感光材料を処理槽で処
理液により処理する感光材料処理装置において、前記処
理槽の内部に設置して前記処理液を加温する加熱手段
と、前記処理液が所定水位範囲より下がってから補充水
の供給により所定水位範囲内に達するまでの時間の検知
部、前記処理液の温度の検知部及び前記加熱手段の近傍
温度の少なくとも2つの前記加熱手段が過剰加熱を起こ
す要因の特性値を検知する検知部を有する検知手段と、
前記検知手段で検知した前記特性値に基づき前記加熱手
段が過剰加熱を起すかどうか判定する判定手段と、前記
判定手段により過剰加熱を起すと判定された場合に前記
加熱手段の供給電源を遮断する加熱遮断手段と、を備え
たことを特徴とする感光材料処理装置である。The above object is achieved by the following means. That is, in a photosensitive material processing apparatus for processing a photosensitive material with a processing liquid in a processing tank, a heating unit installed inside the processing tank and heating the processing liquid, and after the processing liquid falls below a predetermined water level range. The characteristic value of a factor that causes overheating of at least two of the heating units at a temperature in the vicinity of the heating unit and a detecting unit for detecting the time required to reach the predetermined water level range by the supply of the replenishing water and the detecting unit for the temperature of the processing liquid. Detecting means having a detecting unit for detecting,
Determining means for determining whether or not the heating means causes overheating based on the characteristic value detected by the detection means; and shutting off a power supply of the heating means when the determination means determines that the overheating occurs. A photosensitive material processing apparatus, comprising: a heating cutoff unit.
【0006】ここで、加熱手段が過剰加熱を起こす要因
とは、加熱手段が過剰加熱を起こす原因で、例えば、処
理液の水位が時間の経過とともに減少し続け、ある時間
経過後に加熱手段が処理液の液面より上の外気に接触し
て過剰に加熱したり、加熱ヒータのON/OFF故障で
加熱ヒータがONのままとなり処理液が高温度になって
加熱手段が過剰に加熱したり、また、誤操作で処理液が
ない状態で、加熱ヒータの近傍の温度が上がって過剰に
加熱する等の原因をいう。Here, the cause of the overheating of the heating means is the cause of the overheating of the heating means. For example, the water level of the processing liquid keeps decreasing with the passage of time, and the heating means causes Excessive heating by contacting the outside air above the liquid surface of the liquid, excessive heating of the heating liquid due to ON / OFF failure of the heating heater, the processing liquid becomes high temperature, and the heating means is excessively heated. In addition, it also refers to a cause such as an excessive operation due to an increase in the temperature in the vicinity of the heater in the absence of the processing liquid due to an erroneous operation.
【0007】また、ここでいう感光材料とは、感光性を
有するシート状または長尺状の材料をいい、例えば、印
刷製版のカラーペーパ、カラーフィルム、モノクロフィ
ルム、医療のシート状Xレイフィルム等をいう。[0007] The photosensitive material as used herein refers to a photosensitive or sheet-like material having a long length, such as a color plate for printing plate making, a color film, a monochrome film, a sheet-shaped X-ray film for medical use, and the like. Say.
【0008】[0008]
【発明の実施の形態】本発明の感光材料処理装置とし
て、印刷製版の露光及び現像処理装置について図を参照
して説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS As a photosensitive material processing apparatus of the present invention, an exposure and development processing apparatus for printing plate making will be described with reference to the drawings.
【0009】図1は実施形態の印刷製版の露光及び現像
処理装置の構成断面図で、図2は図1の現像処理槽の構
成断面図で、図3は図2の現像処理槽の恒温槽の上面構
成図で、図4は図2の検知手段の第1検知部の構成断面
図で、図5は図2の検知手段の第2検知部の構成断面図
で、図6は図2の検知手段の第3検知部の構成断面図
で、図7は感光材料処理装置の現像処理槽の電気回路ブ
ロック図で、さらに図8は現像処理槽での加熱ヒータの
安全装置のフローチャート図である。FIG. 1 is a sectional view showing the construction of an exposure and developing apparatus for printing plate making according to an embodiment, FIG. 2 is a sectional view showing the construction of a developing tank of FIG. 1, and FIG. 4 is a cross-sectional view of a configuration of a first detection unit of the detection means of FIG. 2, FIG. 5 is a cross-sectional view of a configuration of a second detection unit of the detection means of FIG. 2, and FIG. FIG. 7 is a block diagram of an electric circuit of a developing tank of the photosensitive material processing apparatus, and FIG. 8 is a flowchart of a safety device for a heater in the developing tank. .
【0010】図1で、印刷製版の露光及び現像処理装置
の構成は露光部と現像部で構成され、カートリッジ室1
1よりロール状の専用カラーペーパが取り出され、カッ
タ部12でロール状の専用カラーペーパは指定サイズに
カットされる。次に、撮影台13で原稿とカラーペーパ
Pが重ねて露光され、渡り部14を経て次工程に送られ
る。次に、第2露光部15ではネガ像よりポジ像に反転
され、現像処理工程16では発色現像処理され、定着処
理工程17では漂白、定着処理される。さらに、カラー
ペーパは安定処理工程18で安定処理が行われ、カラー
ペーパは乾燥工程19で乾燥される。そしてバスケット
に収納されるようになっている。なお、処理するカラー
ペーパの大きさはA1版サイズまたはA2版サイズ等で
比較的大きいサイズである。In FIG. 1, the configuration of an exposure and development processing apparatus for printing plate making is composed of an exposure section and a development section.
The roll-shaped dedicated color paper is taken out from the unit 1 and the roll-shaped dedicated color paper is cut into a designated size by the cutter unit 12. Next, the document and the color paper P are overlapped and exposed on the photographing table 13, and are sent to the next process via the transfer unit 14. Next, in the second exposure unit 15, the image is inverted from a negative image to a positive image, a color development process is performed in a development process 16, and a bleaching and fixing process is performed in a fixing process 17. Further, the color paper is subjected to a stabilization process in a stabilization process 18, and the color paper is dried in a drying process 19. And it is designed to be stored in a basket. The size of the color paper to be processed is a relatively large size such as A1 size or A2 size.
【0011】次に、図2、3で前記現像処理工程の現像
処理槽と定着処理工程の定着処理槽は機構的、機能的に
同様につき、代表して現像処理槽についてのみ説明す
る。処理槽20は感光材料であるカラーペーパPが搬送
され処理する主処理槽21と、恒温槽22とにそれぞれ
別れて構成され、主処理槽21と恒温槽22とは配管2
4で接続され循環ポンプ25により処理液が循環するよ
うになっている。なお、実施形態では処理槽として主処
理槽と恒温槽とが分離した形式について説明するが、こ
れに限定されるものではなく分離しない一体型であって
もよい。2 and 3, the developing tank in the developing step and the fixing tank in the fixing step are mechanically and functionally similar, and only the developing tank will be described as a representative. The processing tank 20 is composed of a main processing tank 21 for transporting and processing the color paper P, which is a photosensitive material, and a constant temperature tank 22, and the main processing tank 21 and the constant temperature tank 22 are connected to a pipe 2
4, the processing liquid is circulated by a circulation pump 25. In the embodiment, a description will be given of a type in which a main processing tank and a constant temperature bath are separated as processing tanks, but the present invention is not limited to this, and an integrated type that is not separated may be used.
【0012】主処理槽21はカラーペーパPが処理液Q
により現像処理される体積が約20リットルの槽で、カ
ラーペーパPは処理ラック26が駆動して所定搬送路を
通り搬送される。In the main processing tank 21, the color paper P contains the processing liquid Q.
The color paper P is transported through a predetermined transport path by the processing rack 26 being driven by a tank having a volume of about 20 liters to be developed.
【0013】恒温槽22は図3に示すように、加熱ヒー
タ60で処理液Qの加熱、水位計31で処理液水位の管
理、処理剤ホッパー81で処理剤の投入、補充水口83
より補充水の供給、温度計41で処理液温度の管理をそ
れぞれ行っている。また、後述の加熱ヒータの過剰加熱
を起こす要因の特性値の検知等を集中して行っている。
恒温槽22は体積が約2リットルで、主処理槽21の体
積が約20リットルに比べ小型化されている。恒温槽容
器23は耐薬品性、錆防止等よりプラスチックのノリル
材(PP0)である。加熱ヒータ60と恒温槽容器23
の壁との間隙は約2.5mmで、加熱ヒータ60は処理
液Qがない状態で加熱されると、約2.5分で変形が始
まる。As shown in FIG. 3, the constant temperature bath 22 heats the processing liquid Q by the heater 60, controls the level of the processing liquid by the water level gauge 31, supplies the processing agent by the processing agent hopper 81, and supplies the replenishing water port 83.
The supply of replenishment water and the management of the temperature of the processing solution are performed by the thermometer 41. In addition, detection of characteristic values of factors that cause excessive heating of a heater described later is concentrated.
The constant temperature bath 22 has a volume of about 2 liters, and the main processing bath 21 has a smaller size than about 20 liters. The thermostatic chamber container 23 is a plastic noril material (PP0) for chemical resistance and rust prevention. Heater 60 and thermostatic chamber container 23
The gap with the wall is about 2.5 mm. When the heater 60 is heated in the absence of the processing liquid Q, the deformation starts in about 2.5 minutes.
【0014】処理剤ホッパー81は処理剤Jを恒温槽2
2に投入する。また、補充水はベローズポンプ82が作
動すると補充水口83より恒温槽22に補充されるよう
になっている。The treatment agent hopper 81 supplies the treatment agent J to the thermostatic bath 2
Put into 2. When the bellows pump 82 operates, the replenishing water is replenished to the thermostatic bath 22 through the replenishing water port 83.
【0015】また、検知手段は加熱ヒータ60が過剰加
熱を起こす要因の特性値をそれぞれ検知し、また判定手
段は各検知部で検知した前記要因の特性値に基づき加熱
ヒータ60が過剰加熱を起すかどうか判定する。なお、
詳しくは後述する。また、図2の70は電気回路ブロッ
クで、詳しくは図7で説明する。The detecting means detects the characteristic value of the factor causing the overheating of the heater 60, and the judging means detects the overheating of the heater 60 based on the characteristic value of the factor detected by each detecting section. Is determined. In addition,
Details will be described later. 2 is an electric circuit block, which will be described in detail with reference to FIG.
【0016】次に、図4で水位計31を説明すると、浮
き301が処理液Qの液面で浮くようになっており、浮
き301と一体的で孔304のあいた棒302がある。
この孔304に対向して発光部と受光部を有する光セン
サ303があり、液面の水位が変動すると浮き301と
一体の棒302が上下して、この動きを光センサ303
で検知して処理液Qの水位を計測するようになってい
る。Next, the water level gauge 31 will be described with reference to FIG. 4. The float 301 floats on the surface of the processing liquid Q, and there is a rod 302 integrated with the float 301 and having a hole 304.
Opposed to the hole 304 is an optical sensor 303 having a light emitting part and a light receiving part. When the water level of the liquid surface fluctuates, the rod 302 integrated with the float 301 moves up and down, and this movement is detected by the optical sensor 303.
And the water level of the treatment liquid Q is measured.
【0017】次に、図5で温度計41を説明すると、処
理液Qの温度を温度センサ部411で計測するようにな
っている。なお、処理液Qの設定温度は37℃±0.5
となっている。Next, the thermometer 41 will be described with reference to FIG. 5. The temperature of the processing liquid Q is measured by the temperature sensor section 411. The set temperature of the processing liquid Q is 37 ° C. ± 0.5.
It has become.
【0018】さらに、図6で加熱手段を説明すると、加
熱手段である加熱ヒータ60は円筒状パイプ602の中
に発熱体601が内蔵されており、電気容量は約140
0Wである。また、円筒状パイプ602の中にはさらに
サーモスタット51が内蔵されていて、処理液Qの中に
入れて加温するようになっている。Further, the heating means will be described with reference to FIG. 6. The heating means 60 as the heating means has a heating element 601 built in a cylindrical pipe 602 and an electric capacity of about 140.
0W. Further, a thermostat 51 is further built in the cylindrical pipe 602 so that the thermostat 51 is put in the processing liquid Q and heated.
【0019】次に、図7で感光材料処理装置の現像処理
槽の電気回路ブロック図について説明する。制御部70
1は現像処理槽の各電気回路を制御している。Next, an electric circuit block diagram of a developing tank of the photosensitive material processing apparatus will be described with reference to FIG. Control unit 70
Reference numeral 1 controls each electric circuit of the developing tank.
【0020】水位計回路702は水位計の計測回路で、
第1検知判定回路703は処理液Qが所定水位範囲より
下がってから、補充水の供給により所定水位範囲内に達
するまでの時間を計測し、限界許容時間と比較して計測
時間がながい場合に、加熱ヒータ60が過剰加熱になる
可能性が高いと判定して加熱ヒータ60の電源を切る信
号をだしている。さらに詳しくは、検知手段は、水位計
31により処理液Qが所定水位範囲より下がってから補
充水の供給により所定水位範囲内に達するまでの時間を
計測し、判定手段は、限界許容時間と比較して計測時間
が長い場合に、加熱ヒータ60が過剰加熱になる可能性
が高いと判定する。また、加熱遮断手段は加熱ヒータの
供給電源を切る。A water level gauge circuit 702 is a measuring circuit of the water level gauge.
The first detection determination circuit 703 measures the time from when the treatment liquid Q falls below the predetermined water level range to when it reaches the predetermined water level range by supplying replenishment water. , It is determined that there is a high possibility that the heater 60 will be overheated, and a signal to turn off the power of the heater 60 is issued. More specifically, the detecting means measures the time from when the treatment liquid Q falls below the predetermined water level range to when it reaches the predetermined water level range by supplying replenishment water, using the water level gauge 31, and the determining means compares the time with the limit allowable time. If the measurement time is long, it is determined that there is a high possibility that the heater 60 will be overheated. Further, the heating cutoff means cuts off the power supply to the heater.
【0021】また、温度計回路704は処理液温度を計
測する温度計測回路で、第2検知判定回路705は処理
液温度が所定温度範囲と比較して所定温度範囲を越えて
上昇したとき、加熱ヒータ60が過剰加熱になる可能性
が高いと判定して、加熱ヒータ60の電源を切る信号を
出している。加熱ヒータ開閉回路706は加熱ヒータの
供給電源をON/OFFし、加熱ヒータ駆動回路707
は加熱ヒータに電源を供給する回路である。さらに詳し
くは、検知手段は、前記温度計41により処理液温度を
計測し、判定手段は計測値と限界許容温度(例えば42
℃)と比較して、計測温度が限界許容温度以上の場合
に、加熱ヒータ60が過剰加熱になる可能性が高いと判
定する。そして、加熱遮断手段は加熱ヒータ60の供給
電源を切る。計測温度が限界許容温度以上になる原因と
して、例えば、加熱ヒータ60のON/OFF動作が異
常となりON状態を続ける場合などがある。A thermometer circuit 704 is a temperature measuring circuit for measuring the temperature of the processing solution, and a second detection / judgment circuit 705 is provided for heating when the temperature of the processing solution rises beyond a predetermined temperature range as compared with the predetermined temperature range. It is determined that the possibility of excessive heating of the heater 60 is high, and a signal to turn off the power of the heater 60 is issued. A heater opening / closing circuit 706 turns on / off a power supply of the heater, and a heater driving circuit 707.
Is a circuit for supplying power to the heater. More specifically, the detecting means measures the temperature of the treatment liquid by the thermometer 41, and the judging means measures the measured value and the limit allowable temperature (for example, 42
If the measured temperature is equal to or higher than the permissible limit temperature as compared with (° C.), it is determined that there is a high possibility that the heater 60 will be overheated. Then, the heating cutoff unit cuts off the power supply to the heater 60. As a cause of the measured temperature exceeding the limit allowable temperature, for example, there is a case where the ON / OFF operation of the heater 60 becomes abnormal and the ON state is continued.
【0022】第3検知判定回路708は加熱ヒータの近
傍の温度を計測し、限界許容温度と比較して、計測温度
が限界許容温度以上の場合に、加熱ヒータ60が過剰加
熱になる可能性が高いと判定して、加熱ヒータ60の電
源を切る信号を出している。なお、加熱ヒータの近傍の
温度が限界許容温度以上の場合に、加熱ヒータ60の電
源を切る信号を出すか、または直接、電源を切るように
してもよい。さらに、タイマー回路709は主に各検知
のタイミングをつくっている。さらに詳しくは、検知手
段はサーモスタット51で発熱体601の近傍の温度で
ある円筒状パイプ602の中の温度を検知し、判定手段
は同じくサーモスタット51で、この検知温度が所定温
度以上の場合に、加熱ヒータ60が過剰加熱していると
判定している。また、加熱遮断手段は同じくサーモスタ
ット51に設けられた電源遮断機構により加熱ヒータ6
0の供給電源を切るようになっている。所定温度以上に
なる要因として、例えば、誤操作で処理槽に処理液Qを
入れない状態で加熱ヒータ60に通電して、円筒状パイ
プ602内の温度が急上昇してサーモスタット51によ
り70℃以上になる。なお、加熱ヒータ60はこのよう
な場合には約2分で供給電源は遮断される。したがっ
て、恒温槽容器が熱により変形することがない。The third detection / judgment circuit 708 measures the temperature in the vicinity of the heater, and if the measured temperature is equal to or higher than the limit allowable temperature, the heater 60 may be overheated. It is determined that the temperature is high, and a signal to turn off the power of the heater 60 is issued. When the temperature near the heater is equal to or higher than the limit allowable temperature, a signal to turn off the power of the heater 60 may be issued, or the power may be turned off directly. Further, the timer circuit 709 mainly sets the timing of each detection. More specifically, the detecting means detects the temperature in the cylindrical pipe 602 which is the temperature in the vicinity of the heating element 601 with the thermostat 51, and the determining means is also the thermostat 51, and when the detected temperature is equal to or higher than a predetermined temperature, It is determined that the heater 60 is overheating. The heating shut-off means is also provided by a power shut-off mechanism provided in
0 is turned off. As a factor that causes the temperature to become equal to or higher than the predetermined temperature, for example, the heater 60 is energized in a state where the processing liquid Q is not put into the processing tank due to erroneous operation, and the temperature in the cylindrical pipe 602 rises rapidly and becomes 70 ° C. or higher by the thermostat 51 . In this case, the power supply to the heater 60 is shut off in about two minutes. Therefore, the thermostat container is not deformed by heat.
【0023】搬送回路710は感光材料を搬送する処理
ラックの駆動回路で、補充水ベローズポンプ駆動回路7
11は補充水を送るベローズポンプ82の駆動タイマー
を制御する回路で、また、循環ポンプ駆動回路712は
処理液Qを主処理槽21と恒温槽22との間を循環させ
るポンプの駆動回路で、ホッパ駆動回路713は処理剤
をホッパより恒温槽に投入する図示しないモータの駆動
回路である。A transport circuit 710 is a drive circuit for a processing rack for transporting the photosensitive material.
Reference numeral 11 denotes a circuit for controlling a drive timer of a bellows pump 82 for feeding replenishing water, and a circulating pump drive circuit 712 is a pump drive circuit for circulating the processing liquid Q between the main processing bath 21 and the constant temperature bath 22. The hopper drive circuit 713 is a drive circuit for a motor (not shown) that feeds the processing agent from the hopper into the thermostat.
【0024】次に、感光材料処理装置の現像部の作動を
図1を参照して説明する。第2露光部15でネガ像をポ
ジ像に反転させた後に、現像処理工程16で発色現像処
理を行い、定着処理工程17で漂白、定着処理を行う。
さらに安定処理工程18で安定処理を行い、乾燥工程1
9で現像処理されたカラーペーパを乾燥させ、バスケッ
トに処理済ぺーパーを排出するようになっている。Next, the operation of the developing section of the photosensitive material processing apparatus will be described with reference to FIG. After inverting the negative image to a positive image in the second exposure unit 15, a color developing process is performed in a developing process 16, and bleaching and fixing processes are performed in a fixing process 17.
Further, a stabilization process is performed in a stabilization process step 18, and a drying
The developed color paper is dried in step 9 and the processed paper is discharged to a basket.
【0025】ここで、現像処理工程16の作動につい
て、図2でさらに詳しく説明すると、最初に、現像処理
槽は処理剤と給水により処理液Qがつくられ、処理液Q
は所定水位になるまでたまり、以降は水位計31で水位
を管理する。また、循環ポンプ25により処理液Qが主
処理槽21と恒温槽22の間を循環し、加熱ヒータ60
で処理液Qが加温され、所定温度に管理される。以上の
準備が終わると、カラーペーパPが処理ラック26の駆
動により搬送されながら現像処理される。Here, the operation of the developing step 16 will be described in more detail with reference to FIG. 2. First, a processing solution Q is formed in a developing tank by a processing agent and water supply.
Accumulates until a predetermined water level is reached, and thereafter the water level is managed by the water level meter 31. The processing liquid Q is circulated between the main processing bath 21 and the constant temperature bath 22 by the circulation pump 25,
, The processing liquid Q is heated and controlled at a predetermined temperature. When the above preparations are completed, the color paper P is developed while being transported by the drive of the processing rack 26.
【0026】次に、前記現像処理槽での加熱ヒータの安
全装置のフローチャートについて図8を参照して説明す
ると、加熱ヒータの安全装置の検出は現像処理工程の作
動中に3つの検知部が組み込まれている。第1検知部は
処理液Qが所定水位範囲より下がってから、補充水の供
給により所定水位範囲内に達するまでの時間を計測し
(F01)、限界許容時間と比較して、計測時間が長い
場合に、加熱ヒータ60が過剰加熱になる可能性が高い
と判定して(F02)、加熱ヒータ60の電源を切る
(F07)。Next, the flow chart of the safety device for the heater in the developing tank will be described with reference to FIG. 8. The detection of the safety device for the heater is performed by incorporating three detection units during the operation of the developing process. Have been. The first detection unit measures the time from when the treatment liquid Q falls below the predetermined water level range to when it reaches the predetermined water level range by supplying replenishment water (F01), and the measurement time is longer than the limit allowable time. In this case, it is determined that there is a high possibility that the heater 60 will be overheated (F02), and the power of the heater 60 is turned off (F07).
【0027】また、第2検知部は処理液温度を計測し
(F03)、限界許容温度と比較して、計測温度が限界
許容温度以上の場合に、加熱ヒータ60が過剰加熱にな
る可能性が高いと判定して(F04)、加熱ヒータ60
の電源を切る(F07)。The second detector measures the temperature of the processing liquid (F03), and if the measured temperature is higher than the limit allowable temperature, the heater 60 may be overheated. It is determined that the temperature is high (F04), and the heater 60
Is turned off (F07).
【0028】さらに、第3検知部は加熱ヒータの近傍の
温度を計測し(F05)、限界許容温度と比較して、計
測温度が限界許容温度以上の場合に、加熱ヒータ60が
過剰加熱になる可能性が高いと判定して(F06)、加
熱ヒータ60の電源を切る(F07)。なお、上記第1
から第3検知部自身のいずれかが故障しても、残る他の
検知部が作動して、加熱ヒータの熱に対する安全が確保
される。以上のようにして、加熱ヒータの安全性をより
高めることができる。Further, the third detecting section measures the temperature in the vicinity of the heater (F05). If the measured temperature is higher than the limit allowable temperature as compared with the limit allowable temperature, the heater 60 becomes overheated. It is determined that the possibility is high (F06), and the power of the heater 60 is turned off (F07). In addition, the first
Therefore, even if one of the third detection units fails, the remaining detection units operate to ensure safety against the heat of the heater. As described above, the safety of the heater can be further improved.
【0029】次に、実施形態の変形例について説明す
る。実施形態は前記と同様に印刷製版の露光及び現像処
理装置で、加熱ヒータの過剰加熱の検知として4つの検
知部を有した例である。検知部の内、3つまでは前記実
施形態と同様であり、他の1つは、前記第2検知部の温
度計41を併用して処理液Qの水位を検知するようにな
っている。ここで、水位の検知の方法を図5を参照して
説明すると、温度計41の温度検知部分411が処理液
Qの水位L1より下側にあるときは、処理槽の温度をは
かり、一方、温度検知部411が処理液Qの水位L2よ
り上側にあるときは、液面より上の処理槽より低い外気
温度を計測する。温度計41はこの温度差に基づいて水
位を検知する。Next, a modification of the embodiment will be described. The embodiment is an example of an exposure and development processing apparatus for printing plate making similar to the above, which has four detection units for detecting overheating of the heater. Of the detection units, up to three are the same as in the above-described embodiment, and the other one is configured to detect the water level of the processing liquid Q by using the thermometer 41 of the second detection unit. Here, a method of detecting the water level will be described with reference to FIG. 5. When the temperature detection portion 411 of the thermometer 41 is below the water level L1 of the processing liquid Q, the temperature of the processing tank is measured. When the temperature detecting section 411 is above the water level L2 of the processing liquid Q, the outside air temperature lower than the processing tank above the liquid level is measured. The thermometer 41 detects the water level based on the temperature difference.
【0030】この検知に基づく判定手段の判定は、この
温度変化がプラスかマイナスか見ており、マイナスの場
合、つまり、温度検知部分411より水位が下がった場
合に加熱手段が過剰加熱を起こすと判定として、加熱ヒ
ータの電源を切るようになっている。The judgment by the judging means based on this detection judges whether this temperature change is positive or negative. If the temperature change is negative, that is, if the heating means overheats when the water level falls below the temperature detecting portion 411, As a determination, the power of the heater is turned off.
【0031】なお、実施形態では検知部が3つと4つに
ついて説明したが、これに限定されるものではなく、例
えば、実施形態で第1検知部と第3検知部の2つ、また
は第2検知部と第3検知部の2つであってもよい。In the embodiment, three and four detectors have been described. However, the present invention is not limited to this. For example, in the embodiment, two detectors, the first detector and the third detector, or the second detector may be used. It may be two of a detection part and a third detection part.
【0032】[0032]
【発明の効果】以上のように構成したので下記の効果を
奏する。According to the structure described above, the following effects can be obtained.
【0033】請求項1に記載の発明によれば、処理槽の
内部に設置して処理液を加温する加熱手段と、前記加熱
手段が過剰加熱を起こす要因の少なくとも2つの特性値
を検知する検知部を有する検知手段と、前記検知手段で
検知した前記特性値に基づき前記加熱手段が過剰加熱を
起すかどうか判定する判定手段と、前記判定手段により
過剰加熱を起すと判定された場合に前記加熱手段の供給
電源を遮断する加熱遮断手段と、を備えたので、加熱ヒ
ータの熱に対する安全性を高められ、また、特性値の検
知が確実である。According to the first aspect of the present invention, a heating means installed inside the processing tank for heating the processing liquid and at least two characteristic values of the heating means for causing excessive heating are detected. A detection unit having a detection unit, a determination unit that determines whether the heating unit causes overheating based on the characteristic value detected by the detection unit, and a determination unit that determines that overheating is to be performed by the determination unit. The provision of the heating cutoff means for cutting off the power supply to the heating means makes it possible to increase the safety of the heater against heat and to reliably detect the characteristic value.
【0034】請求項2に記載の発明によれば、前記特性
値が、処理液が所定水位範囲より下がってから、補充水
の供給により所定水位範囲内に達するまでの時間、処理
液温度、または加熱手段の近傍温度であるので、前記特
性値の検知が確実で、加熱ヒータの熱に対する安全性が
より高められる。According to the second aspect of the present invention, the characteristic value is a time from when the treatment liquid falls below the predetermined water level range to when it reaches the predetermined water level range by supplying replenishment water, the treatment liquid temperature, or Since the temperature is close to the heating means, the detection of the characteristic value is reliable, and the safety of the heater against heat is further improved.
【0035】請求項3に記載の発明によれば、判定手段
が、処理液が所定水位範囲より下がってから、補充水の
供給により所定水位範囲内に達するまでの時間が所定時
間を越えるとき、加熱手段が過剰加熱を起すと判定する
ので、過剰加熱を引き起こす要因を早い時期に検知で
き、熱に対する安全性がより高められる。According to the third aspect of the present invention, when the time from when the treatment liquid falls below the predetermined water level range to when it reaches the predetermined water level range by supplying replenishment water exceeds the predetermined time, Since it is determined that the heating means causes overheating, a factor that causes overheating can be detected at an early stage, and safety against heat is further improved.
【0036】請求項4に記載の発明によれば、判定手段
が、処理液の温度が所定温度範囲を越えて上昇したと
き、加熱手段が過剰加熱を起すと判定するので、過剰加
熱を引き起こす要因を早い時期に検知でき、加熱ヒータ
の熱に対する安全性がより高められる。According to the fourth aspect of the present invention, the determining means determines that the heating means causes overheating when the temperature of the processing solution rises beyond the predetermined temperature range. Can be detected earlier, and the safety of the heater against heat can be further improved.
【0037】請求項5に記載の発明によれば、検知手段
の検知部が、処理液の水位が前記検知部の温度センサ部
より上側にあるときの処理液温度と、下側にあるときの
処理液面より上の外気温度との温度差に基づき水位を検
知すると共に、処理液水位が前記検知部の温度センサ部
より上側にあるとき処理液温度を検知するので、水位
計、温度計が小型化され、特に、恒温槽側に加熱ヒー
タ、各検知部を設ける場合、加熱ヒータから各検知部を
より離すことができ、加熱ヒータの熱に対する安全性が
より高められる。According to the fifth aspect of the present invention, the detecting section of the detecting means detects the processing liquid temperature when the water level of the processing liquid is above the temperature sensor section of the detecting section and the processing liquid temperature when the water level is below. The water level is detected based on the temperature difference from the outside air temperature above the processing liquid level, and the processing liquid temperature is detected when the processing liquid water level is above the temperature sensor unit of the detection unit. When the heater is reduced in size, and particularly when the heater and the respective detectors are provided on the thermostat side, the respective detectors can be further separated from the heater, and the safety of the heater against heat is further improved.
【0038】請求項6に記載の発明によれば、処理槽
が、感光材料が搬送され処理される主処理槽と、前記加
熱手段と前記検知手段を有する恒温槽とにそれぞれ別れ
て構成されているので、処理槽が主処理槽と恒温槽とに
それぞれ別れていても、加熱ヒータの熱に対する安全性
がより高められる。According to the sixth aspect of the present invention, the processing tank is configured to be separated into a main processing tank in which the photosensitive material is transported and processed, and a constant temperature tank having the heating means and the detection means. Therefore, even if the processing bath is separated into a main processing bath and a constant temperature bath, the safety against the heat of the heater is further improved.
【図1】実施形態の印刷製版の露光及び現像処理装置の
構成断面図である。FIG. 1 is a configuration sectional view of an exposure and development processing apparatus for printing plate making according to an embodiment.
【図2】図1の現像処理工程の現像処理槽の構成断面図
である。FIG. 2 is a sectional view of the configuration of a developing tank in the developing step of FIG.
【図3】図2の現像処理槽の恒温槽の上面構成図であ
る。FIG. 3 is a top view of a thermostat of the developing tank of FIG. 2;
【図4】図2の検知手段の第1検知部の構成断面図であ
る。FIG. 4 is a cross-sectional view illustrating a configuration of a first detection unit of the detection unit of FIG. 2;
【図5】図2の検知手段の第2検知部の構成断面図であ
る。FIG. 5 is a sectional view of a configuration of a second detection unit of the detection unit of FIG. 2;
【図6】図2の検知手段の第3検知部の構成断面図であ
る。FIG. 6 is a cross-sectional view illustrating a configuration of a third detection unit of the detection unit of FIG. 2;
【図7】感光材料処理装置の現像処理槽の電気回路ブロ
ック図である。FIG. 7 is an electric circuit block diagram of a developing tank of the photosensitive material processing apparatus.
【図8】現像処理槽での加熱ヒータの安全装置のフロー
チャート図である。FIG. 8 is a flowchart of a safety device for a heater in a developing tank.
16 現像処理工程 17 定着処理工程 20 処理槽 21 主処理槽 22 恒温槽 23 恒温槽容器 31 水位計 41 温度計 411 温度センサ部 51 サーモスタット 60 加熱ヒータ 601 発熱体 602 円筒状パイプ P カラーペーパ Q 処理液 16 Development Processing Step 17 Fixing Processing Step 20 Processing Tank 21 Main Processing Tank 22 Constant Temperature Tank 23 Constant Temperature Tank Container 31 Water Level Meter 41 Thermometer 411 Temperature Sensor 51 Thermostat 60 Heating Heater 601 Heating Element 602 Cylindrical Pipe P Color Paper Q Processing Liquid
Claims (6)
る感光材料処理装置において、前記処理槽の内部に設置
して前記処理液を加温する加熱手段と、前記処理液が所
定水位範囲より下がってから補充水の供給により所定水
位範囲内に達するまでの時間の検知部、前記処理液の温
度の検知部及び前記加熱手段の近傍温度の少なくとも2
つの前記加熱手段が過剰加熱を起こす要因の特性値を検
知する検知部を有する検知手段と、前記検知手段で検知
した前記特性値に基づき前記加熱手段が過剰加熱を起す
かどうか判定する判定手段と、前記判定手段により過剰
加熱を起すと判定された場合に前記加熱手段の供給電源
を遮断する加熱遮断手段と、を備えたことを特徴とする
感光材料処理装置。1. A photosensitive material processing apparatus for processing a photosensitive material with a processing liquid in a processing tank, wherein the heating means is disposed inside the processing tank and heats the processing liquid, and wherein the processing liquid is disposed outside a predetermined water level range. At least two of a temperature detecting part for detecting a time from when the replenishing water is supplied to reaching a predetermined water level within a predetermined water level range, a detecting part for detecting a temperature of the processing liquid, and a temperature near the heating means;
Detecting means having a detecting unit for detecting a characteristic value of a factor that causes the heating means to overheat; determining means for determining whether the heating means causes overheating based on the characteristic value detected by the detecting means; A photosensitive material processing apparatus, comprising: a heating cutoff unit that cuts off a power supply to the heating unit when the determination unit determines that excessive heating occurs.
り下がってから補充水の供給により所定水位範囲内に達
するまでの時間、処理液の温度及び加熱手段の近傍温度
であることを特徴とする請求項1に記載の感光材料処理
装置。2. The method according to claim 1, wherein the characteristic value is a time from when the processing liquid falls below a predetermined water level range to when the processing liquid reaches a predetermined water level range by supplying replenishment water, a temperature of the processing liquid, and a temperature near a heating unit. The photosensitive material processing apparatus according to claim 1, wherein
より下がってから、補充水の供給により所定水位範囲内
に達するまでの時間が所定時間を越えるとき、加熱手段
が過剰加熱を起すと判定することを特徴とする請求項1
又は2のいずれか1項に記載の感光材料処理装置。3. The method according to claim 1, wherein when the time from when the treatment liquid falls below the predetermined water level range to when the treatment liquid reaches the predetermined water level range by supplying replenishing water exceeds a predetermined time, the heating means causes excessive heating. The method according to claim 1, wherein the determination is made.
Or the photosensitive material processing apparatus according to any one of 2.
定温度範囲を越えて上昇したとき、加熱手段が過剰加熱
を起すと判定することを特徴とする請求項1又は2のい
ずれか1項に記載の感光材料処理装置。4. The method according to claim 1, wherein the determining unit determines that the heating unit causes excessive heating when the temperature of the processing liquid rises beyond a predetermined temperature range. Item 2. A photosensitive material processing apparatus according to item 1.
が前記検知部の温度センサ部より上側にあるときの処理
液温度と、前記温度センサ部より下側にあるときの処理
液面より上の外気温度との温度差に基づき水位を検知す
ると共に、処理液水位が前記検知部の温度センサ部より
上側にあるとき処理液温度を検知することを特徴とする
請求項1から4のいずれか1項に記載の感光材料処理装
置。5. A processing liquid temperature when a water level of a processing liquid is above a temperature sensor unit of the detection unit, and a processing liquid surface when the water level of the processing liquid is below the temperature sensor unit. 5. The method according to claim 1, wherein a water level is detected based on a temperature difference from a higher outside air temperature, and a processing liquid temperature is detected when a processing liquid water level is above a temperature sensor unit of the detection unit. The photosensitive material processing apparatus according to claim 1.
理される主処理槽と、前記加熱手段と前記検知手段を有
する恒温槽とにそれぞれ別れて構成されていることを特
徴とする請求項1から5のいずれか1項に記載の感光材
料処理装置。6. The processing tank according to claim 1, wherein the processing tank is configured to be separated into a main processing tank in which the photosensitive material is transported and processed, and a constant temperature tank having the heating unit and the detection unit. Item 6. The photosensitive material processing apparatus according to any one of Items 1 to 5.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23704097A JPH1184612A (en) | 1997-09-02 | 1997-09-02 | Processing device of photosensitive material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23704097A JPH1184612A (en) | 1997-09-02 | 1997-09-02 | Processing device of photosensitive material |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH1184612A true JPH1184612A (en) | 1999-03-26 |
Family
ID=17009520
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP23704097A Pending JPH1184612A (en) | 1997-09-02 | 1997-09-02 | Processing device of photosensitive material |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH1184612A (en) |
-
1997
- 1997-09-02 JP JP23704097A patent/JPH1184612A/en active Pending
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