CN203573456U - Spot-type smoke fire detector convenient for accurate test - Google Patents
Spot-type smoke fire detector convenient for accurate test Download PDFInfo
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- CN203573456U CN203573456U CN201320631157.5U CN201320631157U CN203573456U CN 203573456 U CN203573456 U CN 203573456U CN 201320631157 U CN201320631157 U CN 201320631157U CN 203573456 U CN203573456 U CN 203573456U
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Abstract
The utility model discloses a spot-type smoke fire detector convenient for accurate tests. The detector is provided with a housing under a smoke chamber. An infrared ray receiver is disposed in the housing. A self-resetting electromagnetic drive mechanism is disposed in the housing the drives a pushing plate to move. A rectangular light weakening plate is hinged to the top surface of the housing. The pushing plate pushes the rectangular light weakening plate to be positioned between a light transmitter and a light receiver. A reset spring is disposed at the hinge position of the rectangular light weakening plate. A stroke switch and a contact switch are disposed at a front end and a rear end of the movement path of the pushing plate. A relay is provided with a first normally open contact and a second normally open contact. A signal processing module, a normally closed contact of the stroke switch and a relay coil are sequentially connected in series and then are connected with a DC (direct current) power supply. The first normally open contact is connected in parallel between two ends of the signal processing module. The second normally open contact and an electromagnetic coil of the self-resetting electromagnetic drive mechanism are connected in series and then are connected with the DC power supply. A normally closed contact of the contact switch and an indicating lamp are connected in series and then is connected with the DC power supply. According to the detector, convenience is brought to the test operation of the detector, the test efficiency is improved, and the alarm state of the detector can be accurately mastered.
Description
Technical field
The utility model relates to a kind of accurately spot-type smoke detector of test of being convenient to.
Background technology
Spot-type smoke detector is the most widely used sniffer in fire automatic alarm system, and it is take smog as main detected object, and being applicable to during Initial Stage of Fire has the place in the stage of glowing.Spot-type smoke detector changes by optical transmitting set and optical receiver search coverage smokescope, has influence on the variation of light between optical transmitting set and optical receiver, thereby the variation of light is converted into electric signal, realizes the object of reporting to the police.
Spot-type smoke detector need carry out daily and service test to it, conventionally adopts the testing tools such as opium pipe to carry out smoke adding test to determine its warning function to it.Because detector is multi-point and wide-ranging, tester's mobile operational process of need to shouldering a gunbear arms, add kindle incense and smog filling too much after rehabilitation etc., cause test jobs human and material resources to have high input, efficiency is low.Although have some alarm host machine to there is detector from test function at present, but it is only that the electric wiring of warning is simulated, can not realize physical testing truly, by < < building fire protection facility detection technique rules > >, do not approved, so or test as main take physics smoke adding.
In traditional smoke adding test process, the concentration of smog is difficult to control, the quantity that smog enters detector inside is unknown especially, so cause the interior just warning at once in several seconds of highly sensitive detector, and the detector of poor sensitivity is just reported to the police after just need to noting cigarette a few minutes, although all there is warning function, obviously both exist certain problem, the former easy generation false alarm affected by environment, and the latter can not accomplish the early warning of fire.The key factor of test is that cigarette amount cannot accurately be controlled thus, and the standard smoke-box in on-the-spot smoke adding and laboratory exists very large difference, and therefore traditional detector smoke adding is tested and cannot accurately be judged detector alarm state.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of accurately spot-type smoke detector of test of being convenient to, this detector is not affecting under the prerequisite of smoke detection, greatly facilitated the test jobs of detector, the human and material resources that reduced test jobs drop into, improve testing efficiency, and can accurately hold the alarm condition of detector.
For solving the problems of the technologies described above, the spot-type smoke detector that the utility model is convenient to accurately test comprises detector body, in described detector body smoke-box, correspondence is provided with optical transmitting set and optical receiver respectively, this detector also comprises housing, Self-resetting electromagnetic drive mechanism, top board, right angle weakener, back-moving spring, travel switch, contact switch, pilot lamp, infrared remote receiver, signal processing module and relay, described housing is located under described detector body smoke-box, described Self-resetting electromagnetic drive mechanism is located in described housing and is driven described top board to move, the right angle end of described right angle weakener is articulated with the end face of described housing, described in described top board pushing tow, weakener right-angle side in right angle makes another right-angle side between described optical transmitting set and optical receiver along pin joint upset, described back-moving spring is located at the pin joint of described right angle weakener, described travel switch and contact switch are respectively with normally closed contact and be located at described top board mobile route front-end and back-end, described pilot lamp is located on described housing, described infrared remote receiver, signal processing module and relay are located in described housing, described infrared remote receiver signal output part connects described signal processing module signal input part, described relay is with the first normally opened contact and the second normally opened contact, described signal processing module, travel switch normally closed contact and relay coil are connected in series rear connection direct supply successively, described the first normally opened contact is parallel to described signal processing module two ends, described the second normally opened contact is connected direct supply with after the series connection of Self-resetting electromagnetic drive mechanism solenoid, described contact switch normally closed contact is connected direct supply with after pilot lamp series connection.
Further, above-mentioned Self-resetting electromagnetic drive mechanism comprises electromagnetic actuator, calibration rotating cylinder, sliding pawl and Compress Spring, described calibration rotating cylinder is located at described electromagnetic actuator end, described sliding pawl is located in described calibration rotating cylinder and is connected described electromagnetic actuator bar, and described Compress Spring is located in described calibration rotating cylinder and described calibration rotating cylinder is resetted.
Further, this detector also comprises test mode switch, and described test mode switch switches on and off direct supply.
The spot-type smoke detector of being convenient to accurately test due to the utility model has adopted technique scheme, be that this detector arranges housing under smoke-box, Self-resetting electromagnetic drive mechanism is located in housing and is driven top board to move, right angle weakener is articulated with housing end face, top board pushing tow right angle right-angle side of weakener makes another right-angle side between optical transmitting set and optical receiver, back-moving spring is located at the pin joint of right angle weakener, travel switch and contact switch are located at top board mobile route front-end and back-end, pilot lamp is located on housing, infrared remote receiver, signal processing module and relay are located in housing, relay is with the first normally opened contact and the second normally opened contact, signal processing module, travel switch normally closed contact and relay coil are connected in series rear connection direct supply successively, the first normally opened contact is parallel to signal processing module two ends, the second normally opened contact is connected direct supply with after the series connection of Self-resetting electromagnetic drive mechanism solenoid, contact switch normally closed contact is connected direct supply with after pilot lamp series connection.This detector, not affecting under the prerequisite of smoke detection, has greatly facilitated the test jobs of detector, and the human and material resources that reduced test jobs drop into, and have improved testing efficiency, and can accurately hold the alarm condition of detector.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the utility model is described in further detail:
Fig. 1 is that the utility model is convenient to the accurately structural representation of the spot-type smoke detector of test;
Fig. 2 is the electrical schematic diagram of this detector test.
Embodiment
As depicted in figs. 1 and 2, the spot-type smoke detector that the utility model is convenient to accurately test comprises detector body 1, the interior correspondence respectively of described detector body 1 smoke-box 11 is provided with optical transmitting set 12 and optical receiver 13, this detector also comprises housing 14, Self-resetting electromagnetic drive mechanism 2, top board 3, right angle weakener 4, back-moving spring 5, travel switch 8, contact switch 9, pilot lamp 63, infrared remote receiver 61, signal processing module 62 and relay 7, described housing 14 is located at described detector body 1 smoke-box 11 times, described Self-resetting electromagnetic drive mechanism 2 is located in described housing 14 and is driven described top board 3 to move, the right angle end of described right angle weakener 4 is articulated with the end face of described housing 14, described in described top board 3 pushing tows, weakener 4 one right-angle sides in right angle make another right-angle side between described optical transmitting set 12 and optical receiver 13 along pin joint upset, described back-moving spring 5 is located at the pin joint of described right angle weakener 4, described travel switch 8 and contact switch 9 are respectively with normally closed contact 81, 91 and be located at described top board 3 mobile route front-end and back-end, described pilot lamp 63 is located on described housing 14, described infrared remote receiver 61, signal processing module 62 and relay 7 are located in described housing 1, described infrared remote receiver 61 signal output parts connect described signal processing module 62 signal input parts, described relay 7 is with the first normally opened contact 71 and the second normally opened contact 71, described signal processing module 62, travel switch 8 normally closed contacts 81 and relay 7 coils are connected in series rear connection direct supply V successively, described the first normally opened contact 71 is parallel to described signal processing module 62 two ends, described the second normally opened contact 72 is connected direct supply V with after 2 solenoid 25 series connection of Self-resetting electromagnetic drive mechanism, described contact switch 9 normally closed contacts 91 are connected direct supply V with after pilot lamp 63 series connection.
Further, above-mentioned Self-resetting electromagnetic drive mechanism 2 comprises electromagnetic actuator 21, calibration rotating cylinder 22, sliding pawl 23 and Compress Spring 24, described calibration rotating cylinder 22 is located at described electromagnetic actuator 21 drive ends, described sliding pawl 23 is located in described calibration rotating cylinder 22 and is connected described electromagnetic actuator 21 driving stems, and described Compress Spring 24 is located in described calibration rotating cylinder 22 and described calibration rotating cylinder 22 is resetted.
Further, this detector also comprises test mode switch K, and described test mode switch K switches on and off direct supply V.
This detector is surveyed smokescope by the optical transmitting set in detector body smoke-box and optical receiver and is changed, and realizes normal fire alarm function.In the time need implementing test to detector, can connect direct supply by test mode switch, in original state, top board, against contact switch, disconnects the normally closed contact of contact switch, and pilot lamp is point not, tester adopts hand-held remote controller to send test instruction, infrared remote receiver transfers to signal processing module by signal after receiving test instruction, signal processing module makes relay coil obtain electric its first normally opened contact and the second normally opened contact closure, the first normally opened contact closure makes relay self-insurance, the closed Self-resetting electromagnetic drive mechanism solenoid of connecting of the second normally opened contact, Self-resetting electromagnetic drive mechanism drives top board reach, when top board departs from contact switch back contact switch normally closed contact closure, pilot lamp is lighted, the weakener action of prompting tester right angle, top board reach promotes right angle weakener and overturns along pin joint, and a right-angle side of right angle weakener is blocked between optical transmitting set and optical receiver, the process of the test that enters smoke-box with the smoke adding of simulation opium pipe, Self-resetting electromagnetic drive mechanism pushing tow top board is until top board contacting travel switch disconnects travel switch normally closed contact, now relay coil dead electricity, its first normally opened contact and the second normally opened contact disconnect, Self-resetting electromagnetic drive mechanism solenoid dead electricity is no longer moved, the interference that Self-resetting electromagnetic drive mechanism solenoid dead electricity has avoided solenoid magnetic field to cause detector electric control circuit simultaneously, guarantees the reliability of testing, after Self-resetting electromagnetic drive mechanism solenoid dead electricity, right angle weakener is still in rise state, after time delay after a while, detector should send alerting signal to alarm controller, this delay time is the intrinsic detection time of detector, maybe can adjust by alarm controller.Self-resetting electromagnetic drive mechanism is resetting after corresponding delay time, top board homing, and contact switch normally closed contact disconnects, and pilot lamp extinguishes; In the process of top board homing, right angle weakener is subject to reverse flip homing under the effect of pin joint back-moving spring, thereby completes the test jobs of detector.
In this detector, Self-resetting electromagnetic drive mechanism can adopt electromagnetic actuator, calibration rotating cylinder, sliding pawl and Compress Spring to realize, after electromagnetic actuator energising, by sliding pawl, drive calibration rotating cylinder in rotary moving and compress Compress Spring, the movable top ejection plate displacement of calibration rotating cylinder, after electromagnetic actuator dead electricity, its driving force disappears, Compress Spring discharges, and calibration rotating cylinder is resetted.
The inner integrated physics dim light proving installation of this detector, played the effect of simulation smoke, and can trigger by infrared ray Remote, reduced tester and walk about and present arms the consumed activity duration, reduce the input of test jobs human and material resources, improve testing efficiency.What is more important can accurately judge warning function and the sensitivity of detector.The right angle weakener of different light extinction rates can be installed according to different sensitivity (alarm threshold value) in detector manufacturing process, with the concentration change of simulation smoke; Detector has used after a period of time at the scene, if can not report to the police after right angle weakener rises by test, can judge that this detector sensitivity (alarm threshold value) has not reached the requirement while dispatching from the factory, can clean or change, thoroughly solved and traditional passed through the cigarette amount that smoke adding (physics cigarette or electronic cigarette) carries out in detector method of testing and cannot accurately control, judged whether timely key issue of time of fire alarming.
Claims (3)
1. be convenient to the accurately spot-type smoke detector of test for one kind, comprise detector body, in described detector body smoke-box, correspondence is provided with optical transmitting set and optical receiver respectively, it is characterized in that: also comprise housing, Self-resetting electromagnetic drive mechanism, top board, right angle weakener, back-moving spring, travel switch, contact switch, pilot lamp, infrared remote receiver, signal processing module and relay, described housing is located under described detector body smoke-box, described Self-resetting electromagnetic drive mechanism is located in described housing and is driven described top board to move, the right angle end of described right angle weakener is articulated with the end face of described housing, described in described top board pushing tow, weakener right-angle side in right angle makes another right-angle side between described optical transmitting set and optical receiver along pin joint upset, described back-moving spring is located at the pin joint of described right angle weakener, described travel switch and contact switch are respectively with normally closed contact and be located at described top board mobile route front-end and back-end, described pilot lamp is located on described housing, described infrared remote receiver, signal processing module and relay are located in described housing, described infrared remote receiver signal output part connects described signal processing module signal input part, described relay is with the first normally opened contact and the second normally opened contact, described signal processing module, travel switch normally closed contact and relay coil are connected in series rear connection direct supply successively, described the first normally opened contact is parallel to described signal processing module two ends, described the second normally opened contact is connected direct supply with after the series connection of Self-resetting electromagnetic drive mechanism solenoid, described contact switch normally closed contact is connected direct supply with after pilot lamp series connection.
2. the accurately spot-type smoke detector of test of being convenient to according to claim 1, it is characterized in that: described Self-resetting electromagnetic drive mechanism comprises electromagnetic actuator, calibration rotating cylinder, sliding pawl and Compress Spring, described calibration rotating cylinder is located at described electromagnetic actuator end, described sliding pawl is located in described calibration rotating cylinder and is connected described electromagnetic actuator bar, and described Compress Spring is located in described calibration rotating cylinder and described calibration rotating cylinder is resetted.
3. the accurately spot-type smoke detector of test of being convenient to according to claim 1, is characterized in that: this detector also comprises test mode switch, and described test mode switch switches on and off direct supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320631157.5U CN203573456U (en) | 2013-10-14 | 2013-10-14 | Spot-type smoke fire detector convenient for accurate test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320631157.5U CN203573456U (en) | 2013-10-14 | 2013-10-14 | Spot-type smoke fire detector convenient for accurate test |
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| CN203573456U true CN203573456U (en) | 2014-04-30 |
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| CN201320631157.5U Expired - Fee Related CN203573456U (en) | 2013-10-14 | 2013-10-14 | Spot-type smoke fire detector convenient for accurate test |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105303795A (en) * | 2015-09-14 | 2016-02-03 | 宝钢发展有限公司 | Smoke detector with online automatic test function |
| CN114495464A (en) * | 2022-01-04 | 2022-05-13 | 赛特威尔电子股份有限公司 | Self-detection fire smoke detector sensor |
-
2013
- 2013-10-14 CN CN201320631157.5U patent/CN203573456U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105303795A (en) * | 2015-09-14 | 2016-02-03 | 宝钢发展有限公司 | Smoke detector with online automatic test function |
| CN114495464A (en) * | 2022-01-04 | 2022-05-13 | 赛特威尔电子股份有限公司 | Self-detection fire smoke detector sensor |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140430 Termination date: 20211014 |
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| CF01 | Termination of patent right due to non-payment of annual fee |