JPS5850285Y2 - Flame detector operation test equipment - Google Patents
Flame detector operation test equipmentInfo
- Publication number
- JPS5850285Y2 JPS5850285Y2 JP6535276U JP6535276U JPS5850285Y2 JP S5850285 Y2 JPS5850285 Y2 JP S5850285Y2 JP 6535276 U JP6535276 U JP 6535276U JP 6535276 U JP6535276 U JP 6535276U JP S5850285 Y2 JPS5850285 Y2 JP S5850285Y2
- Authority
- JP
- Japan
- Prior art keywords
- flame detector
- signal
- test
- light source
- flame
- 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.)
- Expired
Links
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Fire-Detection Mechanisms (AREA)
Description
【考案の詳細な説明】 本考案は炎感知器の動作試験装置に関するものである。[Detailed explanation of the idea] The present invention relates to an operation testing device for a flame detector.
一般に炎感知器の動作試験装置として、炎感知器に電気
的に発報状態を作り出す擬似的な試験方式と、炎感知器
に実際に光を照射して動作試験を行う方式とが知られて
いる。In general, two types of flame detector operation test equipment are known: one is a simulated test method that electrically creates an alarm state on the flame detector, and the other is a method that tests the operation by actually irradiating the flame detector with light. There is.
本考案は上記炎感知器に実際に光を照射して動作試験を
行う動作試験装置に関するものである。The present invention relates to an operation test device that tests the operation of the flame detector by actually irradiating it with light.
従来、この種の試験装置として、受信装置から引き出さ
れて炎感知器に接続される信号兼給電線とは別個に動作
試験専用のケーブルを設け、該ケーブルを用いて上記受
信装置からの制御により動作試験用の光源を駆動するよ
うにしたものが知られている。Conventionally, in this type of test equipment, a cable dedicated to operation tests is provided separately from the signal/feed line that is drawn out from the receiving device and connected to the flame detector, and the cable is used to conduct tests under the control of the receiving device. A device that drives a light source for operation testing is known.
又、このようなケーブルを増すことなく、信号兼給電線
により動作試験用の光源に電流を供給することも考えら
れる。It is also conceivable to supply current to the light source for operation testing through a signal/power supply line without increasing the number of such cables.
ところで、一般に自動車のヘッドライト等のノイズ光に
よる誤動作を防止するために炎から出る赤外光を感知す
るようにした炎感知器もある。Incidentally, there are flame detectors that detect infrared light emitted from flames in order to prevent malfunctions caused by noise light from automobile headlights or the like.
このような炎感知器に実際に赤外光を照射して動作試験
を行うには赤外光を発する光源が必要である。In order to actually test the operation of such a flame detector by irradiating it with infrared light, a light source that emits infrared light is required.
一般に赤外光を発する光源は消費電力が大きく、このた
め前記したように受信装置からの信号兼給電線を用いて
上記の赤外光を発する光源へ電力を送ると、受信装置が
誤動作するという欠点を生ずる。Generally, a light source that emits infrared light consumes a large amount of power, so if the signal and power supply line from the receiving device is used to send power to the light source that emits infrared light, the receiving device will malfunction. produce defects.
又、このような大きな電力を送るには線路抵抗による損
失を少くするために大容量の線路を用いなければならず
、線路の長い場合には工事費が高くなるという欠点もあ
る。Furthermore, in order to transmit such a large amount of power, a large-capacity line must be used to reduce loss due to line resistance, and a long line has the disadvantage of increasing construction costs.
本考案は上記の欠点を除去するものであり、受信装置か
ら炎感知器への信号兼給電線の容量を大きくする必要が
なく、しかも動作試験用の専用のケーブルも必要としな
い動作試験装置を提供するものである。The present invention eliminates the above-mentioned drawbacks, and provides an operation test device that does not require a large capacity of the signal/feed line from the receiving device to the flame detector, and also does not require a dedicated cable for operation tests. This is what we provide.
以下に、本考案の一実施例を第1図について詳細に説明
する。An embodiment of the present invention will be described in detail below with reference to FIG.
第1図において、1は受信装置であり、該受信装置から
引き出された一対の信号兼給電線2a。In FIG. 1, reference numeral 1 denotes a receiving device, and a pair of signal/feed lines 2a drawn out from the receiving device.
2bには炎感知器3が接続されている。A flame detector 3 is connected to 2b.
この炎感知器は赤外光を電気信号に変換する光電変換素
子4と、該光電変換素子からの信号に所定値以上の直流
と、炎のちらつきに特有の周波数(5Hz〜30Hz)
の交流とが含まれているときにこれを検出して警報信号
発生回路5を制御する制御回路6と、充電可能なN1−
cd電池又は大容量のコンデンサ等よりなる電池7と、
上記受信装置1での後述する操作により制御される継電
装置8と、該継電装置の動作により上記電池7からの電
源電流が供給され、前記した炎のちらつき特有の周波数
で発振する発振回路9と、該発振回路の出力によって駆
動され、炎の光と類似の赤外光を放射する試験用赤外光
源10とを有する。This flame detector includes a photoelectric conversion element 4 that converts infrared light into an electrical signal, a direct current of a predetermined value or more, and a frequency (5Hz to 30Hz) specific to flame flickering in the signal from the photoelectric conversion element.
a control circuit 6 that detects when an alternating current is included and controls the alarm signal generation circuit 5;
A battery 7 consisting of a CD battery or a large capacity capacitor,
A relay device 8 that is controlled by the operation of the receiving device 1 described later, and an oscillation circuit that is supplied with power current from the battery 7 through the operation of the relay device and that oscillates at a frequency specific to the flickering of the flame described above. 9, and a test infrared light source 10 that is driven by the output of the oscillation circuit and emits infrared light similar to flame light.
上記警報信号発生回路5及び制御回路6は信号兼給電線
2a。The alarm signal generation circuit 5 and the control circuit 6 are connected to the signal/power supply line 2a.
2bの極性がいづれの場合でも同一の動作ができるよう
に無極性に構成されている。It is configured to be non-polar so that the same operation can be performed regardless of the polarity of 2b.
継電装置8はダイオードD1及びリレーLよりなり、信
号兼給電線2 a t 2 bの極性が正極性のときに
はリレーLへの電流はダイオードD1によって遮断され
るが逆極性のときにはリレーLが付勢されるように構成
されている。The relay device 8 consists of a diode D1 and a relay L, and when the polarity of the signal/feed line 2 a t 2 b is positive, the current to the relay L is blocked by the diode D1, but when the polarity is reversed, the relay L is blocked. It is configured to be energized.
上記リレーLは接点lを有し、付勢されていないときに
は抵抗Rを介して電池7が充電され、付勢されると前記
の如く発振回路9に電流が供給される。The relay L has a contact l, and when it is not energized, the battery 7 is charged through the resistor R, and when it is energized, current is supplied to the oscillation circuit 9 as described above.
上記受信装置1は直流電源11と、警報信号受信用のリ
レー12と、転極用のスイッチ13とを有し、該スイッ
チにより上記信号兼給電線2a 、2bの極性を選択す
ることができる。The receiving device 1 has a DC power supply 11, a relay 12 for receiving an alarm signal, and a switch 13 for reversing polarity, and the polarity of the signal/feed lines 2a and 2b can be selected by the switch.
上記のように構成された炎感知器の動作試験装置では、
通常の監視状態のときにはスイッチ13により信号兼給
電線2a、2bを正極性にしておく。In the flame detector operation test device configured as above,
In the normal monitoring state, the signal/power feed lines 2a and 2b are set to positive polarity by the switch 13.
この状態で火災の発生があると、その炎からの赤外光に
より光電変換素子4を介して制御回路6が前記のように
作動され、警報信号発生回路5により信号兼給電線2
a 、2 bが短絡される。If a fire occurs in this state, the control circuit 6 is activated as described above by the infrared light from the flame via the photoelectric conversion element 4, and the alarm signal generation circuit 5 activates the signal/feeder line 2.
a, 2b are shorted.
この短絡により前記リレー12が直流電源11からの電
流によって付勢され、発報表示灯等が点灯されて火災の
発生が報知される。Due to this short circuit, the relay 12 is energized by the current from the DC power source 11, and an alarm indicator light is turned on to notify that a fire has occurred.
動作試験のときにはスイッチ13により信号兼給電線2
a t 2 bを逆極性にすることにより上記継電装
置8が動作され、該動作により上記電池7からの電流が
前記した発振回路9を経て試験用赤外光源10に供給さ
れ、該試験用赤外光源からの光が光電変換素子4に照射
される。During an operation test, the switch 13 switches the signal/feed line 2
By setting a t 2 b to the opposite polarity, the relay device 8 is operated, and this operation causes the current from the battery 7 to be supplied to the test infrared light source 10 via the oscillation circuit 9, and the test infrared light source 10 is The photoelectric conversion element 4 is irradiated with light from an infrared light source.
この照射により制御回路6等は炎からの光が照射された
ときと同様に動作し、前記の如(リレー12が付勢され
て炎感知器の正常に作動することが確認され得る。This irradiation causes the control circuit 6 and the like to operate in the same manner as when the light from the flame is irradiated, and it can be confirmed that the relay 12 is energized and the flame detector operates normally as described above.
上記第1図の実施例においては転極スイッチを動作試験
操作部として設けたが、これは以下に述べるように種々
の変形が可能である。In the embodiment shown in FIG. 1, a polarity reversing switch is provided as the operation test operating section, but this can be modified in various ways as described below.
すなわち、第2図は他の実施例を示すものであり、第1
図と同一符号のものは同効のものを示す。That is, FIG. 2 shows another embodiment, and FIG.
Items with the same reference numerals as in the figure indicate items with the same effect.
第2図に示す動作試験装置では、受信装置1から信号兼
給電線2a、2bに供給される電圧は直流電源として動
作試験操作部兼用の可変電圧源14を用いたので可変で
きる。In the operation test apparatus shown in FIG. 2, the voltage supplied from the receiver 1 to the signal/feed lines 2a and 2b can be varied because the variable voltage source 14, which also serves as the operation test operating section, is used as a DC power source.
一方継電装置8は信号兼給電線2 a 、2 bの電圧
が所定値以上になったことを判別する電圧判別回路を含
むリレー15を有する。On the other hand, the relay device 8 has a relay 15 including a voltage discrimination circuit that discriminates when the voltage of the signal/feed lines 2 a and 2 b has exceeded a predetermined value.
又、前記制御回路6には定電圧回路16を介して電流が
供給されている。Furthermore, current is supplied to the control circuit 6 via a constant voltage circuit 16.
このような試験装置では、可変電圧源14によって信号
兼給電線2 a 、2 bの電圧を所定値以上に高くす
ることにより継電装置8が動作して、第1図のものと同
様に炎感知器の動作試験を行うことができる。In such a test device, the relay device 8 is operated by increasing the voltage of the signal/feed lines 2 a and 2 b to a predetermined value or higher using the variable voltage source 14, and a flame is generated as in the one in FIG. Sensor operation tests can be performed.
第3図は更に他の実施例を示すものであり、第2図と同
一符号のものは同効のものを示す。FIG. 3 shows still another embodiment, and the same reference numerals as in FIG. 2 indicate the same effects.
第2図に示す動作試験装置では、受信装置1から信号兼
給電線2a、2bに供給される直流電源11からの直流
にはスイッチ17の切換により選択的に交流電源18か
らの交流が重畳されるように構成されている。In the operation test device shown in FIG. 2, alternating current from an alternating current power source 18 is selectively superimposed on the direct current from a direct current power source 11 that is supplied from the receiving device 1 to signal/feed lines 2a and 2b by switching a switch 17. It is configured to
すなわち上記スイッチ17と交流電源18によって動作
試験操作部が構成されている。That is, the switch 17 and the AC power supply 18 constitute an operation test operation section.
一方、継電装置8は上記信号兼給電線2 a 、2 b
の交流分のみを通過せしめるコンデンサ19、該コンデ
ンサを通過した交流を整流するダイオードD2及び該ダ
イオードからの電流によって付勢されるリレーLを有す
る。On the other hand, the relay device 8 connects the signal and power supply lines 2 a and 2 b
It has a capacitor 19 that allows only the alternating current to pass through, a diode D2 that rectifies the alternating current that has passed through the capacitor, and a relay L that is energized by the current from the diode.
このような動作試験装置では、スイッチ17の操作によ
り信号兼給電線に交流を流すことにより上記の継電装置
8が動作して、第1図のものと同様に炎感知器の動作試
験を行うことができる。In such an operation test device, the relay device 8 described above is operated by flowing alternating current to the signal/feed line by operating the switch 17, and the operation test of the flame detector is performed in the same manner as the one in FIG. be able to.
本考案は斜上のようであり、動作試験専用のケーブルを
必要とせず、しかも信号兼給電線の容量を増すことなし
に、受信装置からのリモートコントロールによって炎感
知器の動作試験を行うことができるものである。The present invention is like a diagonal, and it is possible to perform operation tests of flame detectors by remote control from the receiving device without requiring a dedicated cable for operation tests and without increasing the capacity of the signal/feed line. It is possible.
【図面の簡単な説明】
第1図は本考案の一実施例を示すブロック図、第2図及
び第3図はそれぞれ他の実施例を示すブロック図である
。
1:受信装置、2 a 、2 b :信号兼給電線、3
:炎感知器、4:光電変換素子、7:電池、8:継型装
置、
10:試験用赤外光源。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing one embodiment of the present invention, and FIGS. 2 and 3 are block diagrams showing other embodiments, respectively. 1: Receiving device, 2 a, 2 b: Signal and power feed line, 3
: Flame detector, 4: Photoelectric conversion element, 7: Battery, 8: Joint type device, 10: Infrared light source for testing.
Claims (1)
れ、炎からの赤外線を感知する炎感知器側に、通常の監
視状態とは異なる上記信号兼給電線への給電状態となっ
たときに駆動される継電装置と、該継電装置によって作
動され上記炎感知器の光電変換素子に光を照射する試験
用赤外光源と、上記継電装置により上記試験用赤外光源
へ給電を行う電池とを設け、上記受信装置には動作試験
操作部を設け、この操作により上記信号兼給電線を介し
て上記継電装置を駆動すると共に上記試験用赤外光源へ
上記電池から電源電流を供給して点灯させ、この点灯に
より動作試験を行うようにしたことを特徴とする炎感知
器の動作試験装置。When the flame detector side, which is connected to a pair of signal and power feed lines drawn out from the receiving device and detects infrared rays from the flame, is in a state where power is being supplied to the signal and power feed lines, which is different from the normal monitoring state. a relay device that is driven; an infrared test light source that is activated by the relay device to irradiate a photoelectric conversion element of the flame detector; and a test infrared light source that is powered by the relay device. A battery is provided, and the receiving device is provided with an operation test operation unit, and this operation drives the relay device via the signal and power supply line, and supplies power current from the battery to the test infrared light source. 1. An operation test device for a flame detector, characterized in that an operation test is performed by lighting the flame detector.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6535276U JPS5850285Y2 (en) | 1976-05-24 | 1976-05-24 | Flame detector operation test equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6535276U JPS5850285Y2 (en) | 1976-05-24 | 1976-05-24 | Flame detector operation test equipment |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS52156587U JPS52156587U (en) | 1977-11-28 |
JPS5850285Y2 true JPS5850285Y2 (en) | 1983-11-16 |
Family
ID=28530289
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6535276U Expired JPS5850285Y2 (en) | 1976-05-24 | 1976-05-24 | Flame detector operation test equipment |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5850285Y2 (en) |
-
1976
- 1976-05-24 JP JP6535276U patent/JPS5850285Y2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS52156587U (en) | 1977-11-28 |
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