JP2003274229A - Surveillance camera apparatus - Google Patents

Surveillance camera apparatus

Info

Publication number
JP2003274229A
JP2003274229A JP2002071622A JP2002071622A JP2003274229A JP 2003274229 A JP2003274229 A JP 2003274229A JP 2002071622 A JP2002071622 A JP 2002071622A JP 2002071622 A JP2002071622 A JP 2002071622A JP 2003274229 A JP2003274229 A JP 2003274229A
Authority
JP
Japan
Prior art keywords
lens
chassis
optical axis
motor
flange
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.)
Granted
Application number
JP2002071622A
Other languages
Japanese (ja)
Other versions
JP3861241B2 (en
Inventor
Sadayuki Nemoto
定征 根本
Original Assignee
Mitsubishi Electric Corp
三菱電機株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp, 三菱電機株式会社 filed Critical Mitsubishi Electric Corp
Priority to JP2002071622A priority Critical patent/JP3861241B2/en
Publication of JP2003274229A publication Critical patent/JP2003274229A/en
Application granted granted Critical
Publication of JP3861241B2 publication Critical patent/JP3861241B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

<P>PROBLEM TO BE SOLVED: To automatically adjust a flange back. <P>SOLUTION: An apparatus comprises: a lens mount 15 for mounting a lens, a chassis 1 housed movably fore and back in the axial direction of the lens in the lens mount; a carriage 2 vertically movably mounted in the chassis with either the carriage top or bottom located on the lens optical axis; a spatial filter 3 and an IR cut filter 4 disposed on the top and bottom of the carriage; an imaging device 10 disposed behind the lens away from the carriage on the lens optical axis in the chassis; a color/black-and-white mode switching mechanism 9 having a DC motor 5 driven by a voltage form a controller, for moving the carriage up and down according to the rotation drive of the DC motor; and a flange back adjusting mechanism 30 having a chassis moving motor 21 driven by a voltage from the controller, for moving the chassis fore and back in the lens optical axis according to the rotation drive of the chassis moving motor. <P>COPYRIGHT: (C)2003,JPO

Description

【発明の詳細な説明】Detailed Description of the Invention
【0001】[0001]
【発明の属する技術分野】本発明は、監視カメラ装置に
関し、特に可視光領域による撮影と近赤外光領域による
撮影を共用できる監視カメラ装置に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a surveillance camera device, and more particularly to a surveillance camera device capable of commonly performing photography in a visible light region and photography in a near infrared light region.
【0002】[0002]
【従来の技術】図5は従来の監視カメラ装置を示す分解
斜視図である。図6は同監視カメラ装置のカラー/白黒
切換機構を示す構成図である。図において、1はシャー
シ、2はシャーシ1内に上下動可能に組み込まれたキャ
リッチ、3はキャリッチ2の上部に取り付けられた白黒
用の空間フィルタ、4はキャリッチ2の下部に取り付け
られたカラー用の赤外線カットフィルタである。5はシ
ャーシ1の上部右側に取り付けられたDCモータ、5a
は一端がDCモータ5のモータ軸に連結され、他端側が
キャリッチ2のスクリュー受け部2aに螺合され、他端
がシャーシ1の軸受部1aに軸支されたリードスクリュ
ー、6はシャーシ1に設けられ、キャリッチ2の上下動
をガイドするガイドロッド、7はシャーシ1に固定ネジ
8で固定され、ガイドロッド6を圧接保持する板バネで
ある。9は空間フィルタ3と赤外線カットフィルタ4と
の切り換えを行うカラー/白黒切換機構6で、上下に空
間フィルタ3と赤外線カットフィルタ4とが取り付けら
れたキャリッチ2と、DCモータ5と、リードスクリュ
ー5aと、ガイドロッド6とで構成されている。
2. Description of the Related Art FIG. 5 is an exploded perspective view showing a conventional surveillance camera device. FIG. 6 is a configuration diagram showing a color / monochrome switching mechanism of the surveillance camera apparatus. In the figure, 1 is a chassis, 2 is a carriage installed in the chassis 1 so as to be movable up and down, 3 is a spatial filter for black and white attached to the upper portion of the carriage 2, and 4 is a color filter attached to the bottom of the carriage 2. Is an infrared cut filter. 5 is a DC motor mounted on the upper right side of the chassis 1, 5a
Is a lead screw whose one end is connected to the motor shaft of the DC motor 5, the other end is screwed into the screw receiving portion 2a of the carrich 2 and the other end is axially supported by the bearing portion 1a of the chassis 1, and 6 is attached to the chassis 1. A guide rod 7 is provided which guides the vertical movement of the carrich 2, and 7 is a leaf spring which is fixed to the chassis 1 by a fixing screw 8 and holds the guide rod 6 in pressure contact. Reference numeral 9 denotes a color / black-and-white switching mechanism 6 for switching between the spatial filter 3 and the infrared cut filter 4, a carrich 2 having the spatial filter 3 and the infrared cut filter 4 mounted thereon, a DC motor 5, and a lead screw 5a. And a guide rod 6.
【0003】10はシャーシ1の後面側で空間フィルタ
3の位置で、レンズ光軸上に設けられた撮像素子、11
は撮像素子10を固定するためのプレート、12はプレ
ート11が取り付けられ、シャーシ1の後面側を覆う基
板、13はシャーシ1の前面側を覆う保護板、14はシ
ャーシ1の後面側に取り付けられた防塵ゴムである。1
5はレンズ(図示省略)が取り付けられるレンズマウン
トで、その内部にシャーシ1を収容している。16はレ
ンズマウント15に設けられたフランジバックの調整を
行う調整つまみ、17は調整つまみ16に取り付けられ
た平歯車、18は平歯車17の回転によりシャーシ1を
前後させる調整リング、19は平歯車17の回転に節度
を与えるラッチである。20はフォーカスのズレを調整
するフランジバック調整機構で、調整つまみ16と、平
歯車17と、調整リング18とラッチ19とで構成され
ている。なお、レンズマウント15の背面には撮像素子
10の信号を処理するカメラ本体(図示省略)が取り付
けられている。
Reference numeral 10 designates a position of the spatial filter 3 on the rear surface side of the chassis 1, which is an image pickup device provided on the optical axis of the lens.
Is a plate for fixing the image pickup device 10, 12 is a substrate to which the plate 11 is attached and covers the rear side of the chassis 1, 13 is a protective plate that covers the front side of the chassis 1, and 14 is attached to the rear side of the chassis 1. It is a dustproof rubber. 1
Reference numeral 5 denotes a lens mount to which a lens (not shown) is attached, and the chassis 1 is housed therein. Reference numeral 16 is an adjusting knob for adjusting a flange back provided on the lens mount 15, 17 is a spur gear attached to the adjusting knob 16, 18 is an adjusting ring for moving the chassis 1 back and forth by rotation of the spur gear 17, and 19 is a spur gear. It is a latch that gives a moderation to the rotation of 17. Reference numeral 20 denotes a flange back adjustment mechanism for adjusting the focus shift, which is composed of an adjustment knob 16, a spur gear 17, an adjustment ring 18, and a latch 19. A camera body (not shown) that processes signals from the image sensor 10 is attached to the back surface of the lens mount 15.
【0004】従来の監視カメラ装置は上記のように構成
され、例えば、屋外環境下に監視カメラ装置を設置する
場合、フランジバック調整機構20を動作させてレンズ
マウント15内のシャーシ1を前後させてフランジバッ
ク調整を行う。即ち、設置者は調整つまみ16を操作し
て平歯車17を回転させ、平歯車17の回転により調整
リング18を回転させて撮像素子10を有するシャーシ
1をレンズ光軸方向で前後に移動させ、フォーカスのズ
レを調整するフランジバック調整を行う。また、監視カ
メラ装置は制御部(図示せず)が照度を検知して、昼間
のように照度が高い場合はカラー撮影、夜間のように照
度が低い場合は白黒撮影を行うものであるが、空間フィ
ルタ3がある位置に撮像素子10が配置されているた
め、カラー撮影の場合には、制御部はカラー/白黒切換
機構9を動作させて撮像素子10のある位置に赤外線カ
ットフィルタ4を移動させる。
The conventional surveillance camera device is configured as described above. For example, when the surveillance camera device is installed in an outdoor environment, the flange back adjustment mechanism 20 is operated to move the chassis 1 in the lens mount 15 back and forth. Adjust the flange back. That is, the installer operates the adjustment knob 16 to rotate the spur gear 17, and the rotation of the spur gear 17 rotates the adjustment ring 18 to move the chassis 1 having the image pickup device 10 back and forth in the lens optical axis direction. Adjust the flange back to adjust the focus shift. Further, in the surveillance camera device, a control unit (not shown) detects the illuminance, and performs color imaging when the illuminance is high during the daytime and monochrome imaging when the illuminance is low during the night. Since the image sensor 10 is arranged at the position where the spatial filter 3 is present, the control unit operates the color / monochrome switching mechanism 9 to move the infrared cut filter 4 to the position where the image sensor 10 is present in the case of color photographing. Let
【0005】即ち、制御部がパルス波形の電圧をDCモ
ータ5に供給し、DCモータ5を回転させ、リードスク
リュー5aの回転により赤外線カットフィルタ4が取り
付けられているキャリッチ2を上動させ、赤外線カット
フィルタ4を撮像素子10のある位置に移動させること
によって行う。また、その後に白黒撮影を行う場合に
は、制御部はカラー/白黒切換機構9を動作させて撮像
素子10のある位置に空間フィルタ3を移動させる。ま
た、空間フィルタ3と赤外線カットフィルタ4との互い
の光路長の伸びをこれらフィルタを構成するガラスや水
晶等の部材を製造時に加工して一致させ、設置時以外の
フランジバック調整を不要にしている。
That is, the control unit supplies a voltage having a pulse waveform to the DC motor 5, rotates the DC motor 5, and rotates the lead screw 5a to move up the carrich 2 to which the infrared cut filter 4 is attached. This is performed by moving the cut filter 4 to a certain position of the image sensor 10. Further, when performing black-and-white shooting thereafter, the control unit operates the color / black-and-white switching mechanism 9 to move the spatial filter 3 to a position where the image sensor 10 is present. Also, the mutual expansion of the optical path lengths of the spatial filter 3 and the infrared cut filter 4 is made to match by processing members such as glass and crystal constituting these filters at the time of manufacturing, thereby eliminating the need for flange back adjustment other than during installation. There is.
【0006】[0006]
【発明が解決しようとする課題】従来の監視カメラ装置
では上記のような構成であるため、以下のような問題が
発生していた。 (1)上述のように設置後にカラー用となる赤外線カッ
トフィルタ4と白黒用となる空間フィルタ3が切り換え
られた場合に、フォーカスのズレが起きないように、赤
外線カットフィルタ4と空間フィルタ3の光路長の伸び
を同一距離になるように、これらフィルタ3,4を構成
する部材を加工して製造上仕上げるため、製造歩留まり
の悪化が避けられない問題があった。 (2)また、設置時のフランジバック調整では、監視カ
メラ装置からの映像を出力するモニタを見ながら調整つ
まみ16を操作して調整するため、設置場所付近にモニ
タを配置する必要があり、調整が大変であるという問題
もあった。
Since the conventional surveillance camera device has the above-mentioned configuration, the following problems have occurred. (1) As described above, when the infrared cut filter 4 for color and the spatial filter 3 for black and white are switched after installation, the infrared cut filter 4 and the spatial filter 3 are prevented from being out of focus so as not to occur. Since the members forming these filters 3 and 4 are processed and finished in manufacturing so that the optical path lengths are extended to the same distance, there is a problem that the deterioration of the manufacturing yield cannot be avoided. (2) In addition, in the flange back adjustment at the time of installation, since the adjustment knob 16 is operated while observing the monitor that outputs the image from the surveillance camera device, it is necessary to arrange the monitor near the installation location. There was also the problem that was difficult.
【0007】この発明は、上記問題を解決するためにな
されたものであり、フランジバック調整を自動調整可能
とすることで製造時の空間フィルタと赤外線カットフィ
ルタとの光路長の調整を不要として製造歩留まりを向上
できる監視カメラ装置を提供するものである。
The present invention has been made in order to solve the above-mentioned problems, and the flange back adjustment can be automatically adjusted to eliminate the need for adjusting the optical path lengths of the spatial filter and the infrared cut filter at the time of manufacturing. A surveillance camera device capable of improving yield.
【0008】[0008]
【課題を解決するための手段】この発明の請求項1の監
視カメラ装置は、レンズが取り付けられたレンズマウン
トと、レンズマウント内にレンズ光軸方向の前後に可動
自在に収容された函状のシャーシと、シャーシ内に上下
動自在に取り付けられたキャリッチと、キャリッチの上
部と下部のいずれかがレンズ光軸上に位置し、該上部と
下部に設けられた空間フィルタ及び赤外線カットフィル
タと、シャーシ内におけるレンズ光軸上でキャリッチよ
りレンズ後方位置に配置された撮像素子と、制御部から
供給される電圧により駆動されるモータを有し、該モー
タの回転駆動に応じてキャリッチを上下動させるカラー
/白黒切換機構と、制御部から供給される電圧により駆
動されるシャーシ移動用モータを有し、該シャーシ移動
用モータの回転駆動に応じてシャーシをレンズ光軸方向
で前後に移動させるフランジバック調整機構とを備えて
構成されている。
According to a first aspect of the present invention, there is provided a surveillance camera device having a lens mount, to which a lens is attached, and a box-shaped member housed in the lens mount so as to be movable back and forth in the lens optical axis direction. A chassis, a carrich mounted in the chassis so as to be movable up and down, one of the upper part and the lower part of the carrich is located on the optical axis of the lens, and a spatial filter and an infrared cut filter provided on the upper part and the lower part, and a chassis. A color that has an image pickup element arranged on the lens optical axis in the rear of the lens relative to the carrier and a motor driven by a voltage supplied from a control unit, and moves the carrier up and down according to the rotational driving of the motor. / A black-and-white switching mechanism and a chassis moving motor driven by a voltage supplied from the control unit. It is constituted by a flange back adjusting mechanism for moving back and forth the chassis lens optical axis direction in accordance with.
【0009】この発明の請求項2の監視カメラ装置は、
レンズが取り付けられたレンズマウントと、レンズマウ
ント内にレンズ光軸方向の前後に可動自在に収容された
函状のシャーシと、シャーシ内に上下動自在に取り付け
られたキャリッチと、キャリッチに設けられ、レンズ光
軸上に位置する赤外線カットフィルタと、シャーシ内に
おけるレンズ光軸上でキャリッチよりレンズ後方位置に
配置された撮像素子と、制御部から供給される電圧によ
り駆動されるモータを有し、該モータの回転駆動に応じ
てキャリッチを上下動させるカラー/白黒切換機構と、
制御部から供給される電圧により駆動されるシャーシ移
動用モータを有し、該シャーシ移動用モータの回転駆動
に応じてシャーシをレンズ光軸方向で前後に移動させる
フランジバック調整機構とを備えて構成されている。
The surveillance camera apparatus according to claim 2 of the present invention is
A lens mount to which a lens is attached, a box-shaped chassis that is housed in the lens mount so as to be movable back and forth in the optical axis direction of the lens, a caricch mounted vertically movable in the chassis, and a caricch, An infrared cut filter located on the lens optical axis, an image pickup element arranged on the lens optical axis in the chassis at a position rearward of the lens from the carrier in the chassis, and a motor driven by a voltage supplied from a control unit, A color / black and white switching mechanism that moves the caricitch up and down according to the rotational drive of the motor,
A chassis moving motor driven by a voltage supplied from a control unit, and a flange back adjusting mechanism for moving the chassis back and forth in the lens optical axis direction in accordance with rotational driving of the chassis moving motor. Has been done.
【0010】この発明の請求項3の監視カメラ装置は、
レンズマウントに近赤外対応レンズを取り付け、レンズ
マウントの近傍位置に被写体に対して近赤外照明を行う
近赤外照明灯を設けるようにしたものである。
The surveillance camera apparatus according to claim 3 of the present invention is
A near-infrared compatible lens is attached to the lens mount, and a near-infrared illumination lamp that illuminates the subject with near-infrared light is provided near the lens mount.
【0011】[0011]
【発明の実施の形態】実施の形態1.図1は本発明の実
施の形態1に係る監視カメラ装置を示す分解斜視図、図
2は同監視カメラ装置のカラー/白黒切換機構を示す構
成図、図3は同監視カメラ装置のフランジバック調整機
構を示す構成図である。図において、従来例と同様の構
成は同一符号を付して重複した構成の説明を省略し、相
違する構成について説明する。この実施の形態1では、
カラー/白黒切換機構9は従来例と同じ構成で動作も同
じであるが、フランジバック調整機構が従来例と異なる
ものである。
BEST MODE FOR CARRYING OUT THE INVENTION Embodiment 1. 1 is an exploded perspective view showing a surveillance camera device according to a first embodiment of the present invention, FIG. 2 is a configuration diagram showing a color / monochrome switching mechanism of the surveillance camera device, and FIG. 3 is a flange back adjustment of the surveillance camera device. It is a block diagram which shows a mechanism. In the figure, the same configurations as those of the conventional example are denoted by the same reference numerals, the description of the duplicate configurations is omitted, and different configurations will be described. In the first embodiment,
The color / monochrome switching mechanism 9 has the same configuration and operation as the conventional example, but the flange back adjustment mechanism is different from the conventional example.
【0012】次に、本発明の実施の形態1のフランジバ
ック調整機構30の構成について説明する。21はレン
ズマウント15内のシャーシ1を可動させるためのシャ
ーシ可動用DCモータ、21aは一端がシャーシ可動用
DCモータ21のモータ軸に連結され、他端側がシャー
シ1の側部から張り出したスクリュー横受け部2aに螺
合され、他端がレンズマウント16の軸受部16aに軸
支されたリードスクリュー、22は一端が固定ネジ8で
固定され、他端にシャーシ可動用DCモータ21を取り
付けた板金で形成されたモータ用ホルダ、23はレンズ
マウント15に一端が固定され、他端側がシャーシ1の
側部から張り出したロッド横受け部2aに螺合された水
平ガイドロッド、25はレンズマウント15に取り付け
られたレンズである。このように、フランジバック調整
機構30は、シャーシ可動用DCモータ21と、リード
スクリュー21aと、モータ用ホルダ22と、水平ガイ
ドロッド23とで構成されている。
Next, the structure of the flange-back adjusting mechanism 30 according to the first embodiment of the present invention will be described. Reference numeral 21 denotes a chassis moving DC motor for moving the chassis 1 in the lens mount 15, 21a has one end connected to the motor shaft of the chassis moving DC motor 21, and the other end side of the screw lateral extending from the side of the chassis 1. A lead screw screwed into the receiving portion 2a and the other end pivotally supported by the bearing portion 16a of the lens mount 16, and a sheet metal member 22 having one end fixed with the fixing screw 8 and the chassis moving DC motor 21 attached to the other end. The motor holder 23 is fixed to the lens mount 15 at one end, and the other end is a horizontal guide rod screwed to the lateral rod receiving portion 2a protruding from the side of the chassis 1, and 25 is attached to the lens mount 15. It is an attached lens. As described above, the flange back adjustment mechanism 30 includes the chassis moving DC motor 21, the lead screw 21 a, the motor holder 22, and the horizontal guide rod 23.
【0013】次に、本発明の実施の形態1について、カ
ラー/白黒切換機構9の動作は従来例と同じであるの
で、その説明を省略し、フランジバック調整機構30の
動作について説明する。この実施の形態1のフランジバ
ック調整機構30では、ピント合わせは撮像素子10で
撮影した映像のピントの度合いを見ながら、制御部(図
示省略)がパルス波形の電圧をシャーシ可動用DCモー
タ21に供給し、シャーシ可動用DCモータ21を回転
させ、リードスクリュー21aの回転により、撮像素子
10が取り付けられてシャーシ1を水平ガイドロッド2
3にガイドさせて前後方向に移動させることにより、撮
像素子10の位置をレンズ光軸上で前後に移動させてフ
ランジバック調整が自動的に行われてピント合わせがで
きる。
Next, in the first embodiment of the present invention, the operation of the color / monochrome switching mechanism 9 is the same as that of the conventional example, and therefore the description thereof is omitted and the operation of the flange back adjusting mechanism 30 will be described. In the flange back adjustment mechanism 30 of the first embodiment, while focusing on the degree of focus of the image captured by the image sensor 10, the control unit (not shown) applies a pulse waveform voltage to the chassis moving DC motor 21. Then, the chassis moving DC motor 21 is rotated, and the lead screw 21a is rotated to attach the image pickup device 10 to the chassis 1 and the horizontal guide rod 2
By guiding the lens 3 to move it in the front-rear direction, the position of the image pickup device 10 is moved back and forth on the optical axis of the lens, and flange back adjustment is automatically performed to enable focusing.
【0014】このように、監視カメラ装置の設置後に、
制御部(図示省略)がパルス波形の電圧をシャーシ可動
用DCモータ21に供給することにより、撮像素子10
が取り付けられてシャーシ1をレンズ光軸方向で前後に
移動させて撮像素子10のフランジバック調整を自動的
に行うことができることにより、白黒撮影を行う場合又
はカラー撮影を行う場合に制御部がカラー/白黒切換機
構9を動作させて空間フィルタ3又は赤外線カットフィ
ルタ4を撮像素子10のある位置に移動させたときに、
これらフィルターの光路長の伸びの違いに応じて撮像素
子10のフランジバック調整を手間をかけずに自動的に
行うことができるため、製造時に赤外線カットフィルタ
ー4と空間フィルター3の光路長の伸びを同一距離にな
るように、これらフィルタ3,4を構成する部材を加工
して製造上仕上げる必要がなくなり、製造歩留まりが向
上した。
Thus, after installation of the surveillance camera device,
The control unit (not shown) supplies the voltage of the pulse waveform to the DC motor 21 for moving the chassis, so that the image sensor 10
Is attached and the chassis 1 can be moved back and forth in the optical axis direction of the lens to automatically adjust the flange back of the image sensor 10, so that the control unit can perform color printing when performing monochrome shooting or color shooting. / When the black and white switching mechanism 9 is operated to move the spatial filter 3 or the infrared cut filter 4 to a certain position of the image sensor 10,
Since the flange back adjustment of the image sensor 10 can be automatically performed according to the difference in the optical path length expansion of these filters without any trouble, the optical path length expansion of the infrared cut filter 4 and the spatial filter 3 can be achieved at the time of manufacturing. It is not necessary to process and finish the members forming the filters 3 and 4 so as to have the same distance, and the manufacturing yield is improved.
【0015】また、従来は、空間フィルタ3は赤外線カ
ットフィルタ4と光路長の伸びを同一距離になるよう
に、これを構成する部材としてガラスを用い、製造時に
そのガラスの厚さを加工していたが、空間フィルタ3と
赤外線カットフィルタ4の光路長の伸びの違いに応じて
を撮像素子10のフランジバック調整を手間をかけずに
自動的に行うことができるため、空間フィルタ3をガラ
スで構成する必要もなく、即ち、空間フィルタ3をガラ
スのない枠だけ、又は空気だけで構成することができ、
結局は空間フィルタ3が不要となる。従って、白黒撮影
とカラー撮影を行う場合に赤外線カットフィルター4の
移動だけで済み、カラー/白黒切換機構9を小型化でき
ると共にコストを低減できる。
Further, conventionally, the spatial filter 3 uses glass as a member constituting the infrared cut filter 4 so that the extension of the optical path is the same distance, and the thickness of the glass is processed at the time of manufacture. However, since the flange-back adjustment of the image sensor 10 can be automatically performed according to the difference in the optical path length between the spatial filter 3 and the infrared cut filter 4 without any trouble, the spatial filter 3 is made of glass. It is not necessary to configure, that is, the spatial filter 3 can be configured only by a frame without glass or only by air,
After all, the spatial filter 3 becomes unnecessary. Therefore, when performing monochrome photography and color photography, it is only necessary to move the infrared cut filter 4, and the color / monochrome switching mechanism 9 can be downsized and the cost can be reduced.
【0016】実施の形態2.図4は本発明の実施の形態
2に係る監視カメラ装置を示す構成図である。この実施
の形態2では、実施の形態1の監視カメラ装置のレンズ
マウント15に通常のレンズの代わりに近赤外線対応レ
ンズ31を取り付け、レンズマウント15の近傍位置に
被写体Aに対して近赤外照明を行う近赤外照明灯32を
設けたものである。33はレンズマウント15の背面に
取り付けられた撮像素子10の信号を処理するカメラ本
体である。
Embodiment 2. FIG. 4 is a configuration diagram showing a surveillance camera device according to Embodiment 2 of the present invention. In the second embodiment, a near-infrared compatible lens 31 is attached to the lens mount 15 of the surveillance camera device of the first embodiment instead of a normal lens, and near-infrared illumination is performed on the subject A at a position near the lens mount 15. A near-infrared illumination lamp 32 for performing the above is provided. Reference numeral 33 denotes a camera body that processes signals from the image sensor 10 attached to the back surface of the lens mount 15.
【0017】このように、レンズマウント15に近赤外
線対応レンズ31を取り付け、レンズマウント15の近
傍位置に近赤外照明灯32を設けることにより、昼間は
カラー撮影を行う場合に、制御部(図示省略)がカラー
/白黒切換機構6を動作させて赤外線カットフィルタ4
を撮像素子10のある位置に移動させ、フランジバック
調整機構30を動作させて撮像素子10のフランジバッ
ク調整を行えばカラー撮影を行うことができる。また、
夜間に近赤外線撮影を行う場合は、近赤外照明灯32を
点灯させて被写体に対して近赤外照明を行い、制御部
(図示省略)がカラー/白黒切換機構6を動作させて空
間フィルタ3を撮像素子10のある位置に、又は赤外線
カットフィルタ4をレンズ光軸位置から外れるように移
動させ、フランジバック調整機構30を動作させて撮像
素子10のフランジバック調整を行えば近赤外線撮影を
行うことができる。従って、監視カメラ装置は昼はカラ
ーカメラ、夜は近赤外線カメラとして対応することがで
きる。
As described above, the near infrared ray compatible lens 31 is attached to the lens mount 15 and the near infrared ray illuminating lamp 32 is provided in the vicinity of the lens mount 15, so that a control unit (shown in the figure) can be used when color photographing is performed during the daytime. (Omitted) operates the color / monochrome switching mechanism 6 to operate the infrared cut filter 4
Is moved to a certain position of the image pickup device 10 and the flange back adjustment mechanism 30 is operated to adjust the flange back of the image pickup device 10, whereby color photographing can be performed. Also,
When performing near-infrared photography at night, the near-infrared illumination lamp 32 is turned on to illuminate the subject with near-infrared illumination, and the control unit (not shown) operates the color / monochrome switching mechanism 6 to perform spatial filtering. 3 is moved to a certain position of the image sensor 10, or the infrared cut filter 4 is moved away from the lens optical axis position, and the flange back adjustment mechanism 30 is operated to adjust the flange back of the image sensor 10. It can be carried out. Therefore, the surveillance camera device can be used as a color camera at daytime and a near-infrared camera at nighttime.
【0018】[0018]
【発明の効果】以上述べてきたように、この発明の請求
項1の監視カメラによれば、制御部から供給される電圧
により駆動されるモータを有し、該モータの回転駆動に
応じてキャリッチを上下動させるカラー/白黒切換機構
と、制御部から供給される電圧により駆動されるシャー
シ移動用モータを有し、該シャーシ移動用モータの回転
駆動に応じてシャーシをレンズ光軸方向で前後に移動さ
せるフランジバック調整機構とを備えているので、白黒
撮影を行う場合又はカラー撮影を行う場合に制御部がカ
ラー/白黒切換機構を動作させて空間フィルタ又は赤外
線カットフィルタを撮像素子のある位置に移動させたと
きに、これらフィルターの光路長の伸びの違いに応じて
撮像素子のフランジバック調整を手間をかけずに自動的
に行うことができるため、製造時に赤外線カットフィル
ターと空間フィルターの光路長の伸びを同一距離になる
ように、これらフィルタを構成する部材を加工して製造
上仕上げる必要がなくなり、製造歩留まりが向上すると
いう効果がある。また、白黒撮影とカラー撮影をカラー
/白黒切換機構を動作させ行った場合に、フランジバッ
ク調整機構を動作させてフランジバック調整を手間をか
けずに自動的に行うことができるため、カラー/白黒切
換に影響なくフォーカスのずれが発生しないという効果
もある。
As described above, according to the surveillance camera of the first aspect of the present invention, the surveillance camera has the motor driven by the voltage supplied from the control unit, and the carriitch is driven according to the rotational driving of the motor. And a chassis moving motor driven by a voltage supplied from a control unit. The chassis is moved back and forth in the lens optical axis direction in response to rotational driving of the chassis moving motor. Since it is equipped with a flange back adjustment mechanism to move, when performing black-and-white shooting or color shooting, the control unit operates the color / black-and-white switching mechanism to place the spatial filter or infrared cut filter at the position where the image sensor is located. When moved, the flange back adjustment of the image sensor can be automatically performed according to the difference in the extension of the optical path length of these filters without any trouble. Therefore, to be identical to the distance an elongation of the optical path length of the infrared cut filter and spatial filter at the time of manufacture, it is not necessary to finish the manufacturing by processing a member which constitutes these filters, there is an effect that manufacturing yield is improved. Also, when the color / black and white switching mechanism is operated for black-and-white shooting and color shooting, the flange-back adjustment mechanism can be operated to automatically perform flange-back adjustment without any trouble, so that color / black-and-white There is also an effect that the shift of the focus does not occur without affecting the switching.
【0019】また、この発明の請求項2の監視カメラに
よれば、シャーシ内に上下動自在に取り付けられたキャ
リッチに設けられ、レンズ光軸上に位置する赤外線カッ
トフィルタと、シャーシ内におけるレンズ光軸上でキャ
リッチよりレンズ後方位置に配置された撮像素子と、制
御部から供給される電圧により駆動されるモータを有
し、該モータの回転駆動に応じてキャリッチを上下動さ
せるカラー/白黒切換機構と、制御部から供給される電
圧により駆動されるシャーシ移動用モータを有し、該シ
ャーシ移動用モータの回転駆動に応じてシャーシをレン
ズ光軸方向で前後に移動させるフランジバック調整機構
とを備えているので、白黒撮影を行う場合に制御部がカ
ラー/白黒切換機構を動作させて赤外線カットフィルタ
を撮像素子のある位置から外れた位置に移動させ、その
ときにフランジバック調整機構を動作させてフランジバ
ック調整を行えば白黒撮影ができるため、空間フィルタ
が不要となり、カラー/白黒切換機構を小型化できて装
置の薄型化が可能となると共にコストを低減できるとい
う効果がある。
According to a second aspect of the surveillance camera of the present invention, there is provided an infrared cut filter, which is provided on the carrich mounted vertically in the chassis and is located on the optical axis of the lens, and the lens light in the chassis. A color / black-and-white switching mechanism that has an image pickup device disposed on the axis behind the carrich from the lens and a motor driven by a voltage supplied from a control unit, and moves the carrich up and down according to rotational driving of the motor. And a flange back adjusting mechanism that has a chassis moving motor driven by a voltage supplied from the control unit, and that moves the chassis back and forth in the lens optical axis direction in accordance with rotational driving of the chassis moving motor. Therefore, when performing black-and-white shooting, the control unit operates the color / black-and-white switching mechanism to set the infrared cut filter to the position where the image sensor is located. If you move it to a position away from it, and then operate the flange back adjustment mechanism to perform flange back adjustment, you can shoot black and white, so you do not need a spatial filter, the color / black and white switching mechanism can be downsized, and the device is thin. There is an effect that it is possible to reduce the cost while reducing the cost.
【0020】さらに、この発明の請求項3の監視カメラ
装置によれば、請求項1又は2の監視カメラに対して、
そのレンズマウントに近赤外対応レンズを取り付け、さ
らにレンズマウントの近傍位置に被写体に対して近赤外
照明を行う近赤外照明灯を設けるようにしたことによ
り、昼間はカラー撮影を行う場合に、カラー/白黒切換
機構を動作させて赤外線カットフィルタを撮像素子のあ
る位置に移動させ、フランジバック調整機構を動作させ
てランジバック調整を行えばカラー撮影を行うことがで
き、夜間に近赤外線撮影を行う場合は、近赤外照明灯を
点灯させて被写体に対して近赤外照明を行い、カラー/
白黒切換機構を動作させて空間フィルタを撮像素子のあ
る位置に、又は赤外線カットフィルタをレンズ光軸位置
から外れるように移動させ、フランジバック調整機構を
動作させてフランジバック調整を行えば近赤外線撮影を
行うことができるため、昼はカラーカメラ、夜は近赤外
線カメラとして対応することができるという効果があ
る。
Further, according to the surveillance camera device of claim 3 of the present invention, in addition to the surveillance camera of claim 1 or 2,
A near-infrared lens is attached to the lens mount, and a near-infrared illumination lamp that illuminates the subject with near-infrared light is installed near the lens mount. , The color / monochrome switching mechanism is operated to move the infrared cut filter to a certain position of the image sensor, and the flange back adjustment mechanism is operated to perform lunge back adjustment, so that color photography can be performed, and near infrared photography at night. When performing, perform the near-infrared illumination for the subject by turning on the near-infrared illumination lamp
Near-infrared photography if the black-and-white switching mechanism is operated to move the spatial filter to the position where the image sensor is located or the infrared cut filter is moved away from the lens optical axis position and the flange back adjustment mechanism is operated to adjust the flange back. Therefore, there is an effect that it can be used as a color camera at daytime and as a near-infrared camera at nighttime.
【図面の簡単な説明】[Brief description of drawings]
【図1】 本発明の実施の形態1に係る監視カメラ装置
を示す分解斜視図である。
FIG. 1 is an exploded perspective view showing a surveillance camera device according to a first embodiment of the present invention.
【図2】 同監視カメラ装置のカラー/白黒切換機構を
示す構成図である。
FIG. 2 is a configuration diagram showing a color / monochrome switching mechanism of the surveillance camera apparatus.
【図3】 同監視カメラ装置のフランジバック調整機構
を示す構成図である。
FIG. 3 is a configuration diagram showing a flange back adjustment mechanism of the surveillance camera apparatus.
【図4】 本発明の実施の形態2に係る監視カメラ装置
を示す構成図である。
FIG. 4 is a configuration diagram showing a surveillance camera device according to a second embodiment of the present invention.
【図5】 従来の監視カメラ装置を示す分解斜視図であ
る。
FIG. 5 is an exploded perspective view showing a conventional surveillance camera device.
【図6】 同監視カメラ装置のカラー/白黒切換機構を
示す構成図である。
FIG. 6 is a configuration diagram showing a color / monochrome switching mechanism of the surveillance camera apparatus.
【符号の説明】[Explanation of symbols]
1 シャーシ、2 キャリッチ、3 空間フィルター、
4 赤外線カットフィルター、5 DCモータ、9 カ
ラー/白黒切換機構、30 フランジバック調整機構。
1 chassis, 2 carrich, 3 spatial filters,
4 infrared cut filter, 5 DC motor, 9 color / monochrome switching mechanism, 30 flange back adjustment mechanism.
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 FI テーマコート゛(参考) G03B 13/32 G03B 17/02 15/00 3/04 17/02 ─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. 7 Identification code FI theme code (reference) G03B 13/32 G03B 17/02 15/00 3/04 17/02

Claims (3)

    【特許請求の範囲】[Claims]
  1. 【請求項1】 レンズが取り付けられたレンズマウント
    と、 レンズマウント内にレンズ光軸方向の前後に可動自在に
    収容された函状のシャーシと、 シャーシ内に上下動自在に取り付けられたキャリッチ
    と、 キャリッチの上部と下部のいずれかがレンズ光軸上に位
    置し、該上部と下部に設けられた空間フィルタ及び赤外
    線カットフィルタと、 シャーシ内におけるレンズ光軸上でキャリッチよりレン
    ズ後方位置に配置された撮像素子と、 制御部から供給される電圧により駆動されるモータを有
    し、該モータの回転駆動に応じてキャリッチを上下動さ
    せるカラー/白黒切換機構と、 制御部から供給される電圧により駆動されるシャーシ移
    動用モータを有し、該シャーシ移動用モータの回転駆動
    に応じてシャーシをレンズ光軸方向で前後に移動させる
    フランジバック調整機構とを備えたことを特徴とする監
    視カメラ監視装置。
    1. A lens mount to which a lens is attached, a box-shaped chassis housed in the lens mount so as to be movable back and forth in the lens optical axis direction, and a caricch mounted in the chassis so as to be movable up and down. Either the upper part or the lower part of the carrich is located on the optical axis of the lens, and the spatial filter and the infrared cut filter provided on the upper part and the lower part of the carrich are arranged on the lens optical axis in the chassis at a position behind the carrich. It has an image sensor, a motor driven by a voltage supplied from the control unit, and a color / black-and-white switching mechanism that moves the caricitch up and down according to the rotational driving of the motor, and is driven by a voltage supplied from the control unit. Has a chassis moving motor, and moves the chassis back and forth in the lens optical axis direction in accordance with the rotational driving of the chassis moving motor. And a flange-back adjusting mechanism.
  2. 【請求項2】 レンズが取り付けられたレンズマウント
    と、 レンズマウント内にレンズ光軸方向の前後に可動自在に
    収容された函状のシャーシと、 シャーシ内に上下動自在に取り付けられたキャリッチ
    と、 キャリッチに設けられ、レンズ光軸上に位置する赤外線
    カットフィルタと、 シャーシ内におけるレンズ光軸上でキャリッチよりレン
    ズ後方位置に配置された撮像素子と、 制御部から供給される電圧により駆動されるモータを有
    し、該モータの回転駆動に応じてキャリッチを上下動さ
    せるカラー/白黒切換機構と、 制御部から供給される電圧により駆動されるシャーシ移
    動用モータを有し、該シャーシ移動用モータの回転駆動
    に応じてシャーシをレンズ光軸方向で前後に移動させる
    フランジバック調整機構とを備えたことを特徴とする監
    視カメラ監視装置。
    2. A lens mount to which a lens is mounted, a box-shaped chassis housed in the lens mount so as to be movable back and forth in the lens optical axis direction, and a caricch mounted to be movable up and down in the chassis. An infrared cut filter provided on the optical axis of the lens, located on the optical axis of the lens, an image sensor located behind the optical element on the optical axis of the lens inside the chassis, and a motor driven by the voltage supplied from the controller. And a chassis moving motor driven by a voltage supplied from a control unit, and a color / black-and-white switching mechanism for moving the caricitch up and down in response to rotational driving of the motor. And a flange back adjustment mechanism for moving the chassis back and forth in the lens optical axis direction in response to driving. Vision camera monitoring device.
  3. 【請求項3】 前記レンズマウントに近赤外対応レンズ
    を取り付け、前記レンズマウントの近傍位置に被写体に
    対して近赤外照明を行う近赤外照明灯を設けたことを特
    徴とする請求項1又は2記載の監視カメラ監視装置。
    3. A near-infrared compatible lens is attached to the lens mount, and a near-infrared illuminating lamp for illuminating a subject with near-infrared light is provided near the lens mount. Alternatively, the surveillance camera monitoring device according to item 2.
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