CN105678949A - Photoelectric smoke fire detector - Google Patents
Photoelectric smoke fire detector Download PDFInfo
- Publication number
- CN105678949A CN105678949A CN201610175926.3A CN201610175926A CN105678949A CN 105678949 A CN105678949 A CN 105678949A CN 201610175926 A CN201610175926 A CN 201610175926A CN 105678949 A CN105678949 A CN 105678949A
- Authority
- CN
- China
- Prior art keywords
- guide rail
- fire detector
- cover
- smoke fire
- photoelectric smoke
- 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
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Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
- G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
- G08B17/107—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device for detecting light-scattering due to smoke
Abstract
The photoelectric smoke fire detector of the invention comprises a housing and a circuit board in the housing, and is characterized in that the housing comprises a base, a top cover and a screen successively connected from bottom to top; the circuit board is provided with a labyrinth smog cover and a buzzer; the top cover is provided with a transparent circular transparent belt, a hole corresponding to the labyrinth smog cover, and holes corresponding to the buzzer; the screen covers the labyrinth smog cover. The photoelectric smoke fire detector possesses the beneficial effects of simple structure, convenient use, high sensitivity and beautiful profile, can obviously improve the luminescence display effect of a point pattern smoke fire detector, simplify an installation process, improve production efficiency, reduce manufacture costs, and obtain remarkable benefits, and is convenient for popularization.
Description
Technical field
The invention belongs to fire detecting and alarm apparatus field, it relates to a kind of photoelectric smoke fire detector.
Background technology
Along with the intelligent development of modern architecture, the combustiblematerialss such as interior of building electric installation or finishing material increase, there is potential safety hazard, fire warning device becomes the indispensable safety features of heavy construction and public place day by day, just can report to the police in advance once presence of fire, fire was eliminated in the starting stage. In current fire protection sector, the normal fire warning device adopted is point-type smoke detector device. In existing point-type smoke detector device, being used for the light beam of leading of luminescence display adopts the mode of straight post perpendicular circuit board or adopts 90 degree of refraction angle forms to be arranged on top or the side of whole point-type smoke detector device, degree attractive in appearance is not enough, display effect is poor, and light conduction efficiency, Assembling Production efficiency and maintenance efficiency are all lower; And the packaging assembly of point-type smoke detector device makes to be screwed in a large number, as generally adopted circuit card screw to connect, it may also be useful to heavy head screw or combination screw etc., add cost, reduce manufacture production efficiency.
Summary of the invention
The present invention is in order to make up the deficiencies in the prior art, it provides the photoelectric smoke fire detector that a kind of structure is simple, easy to use, highly sensitive.
The present invention is achieved through the following technical solutions:
The photoelectric smoke fire detector of the present invention, comprise the circuit card of shell and enclosure, it is characterized in that: shell comprises the base, upper cover and the guard that connect successively from the bottom up, circuit card is provided with lamp, labyrinth fume hood and alarm, on cover and be provided with transparent annular euphotic zone, on cover the hole also having corresponding labyrinth fume hood and the hole of corresponding alarm, net cover is at fume hood place, labyrinth.
It is frosting below base plate, frosting scribbles non-setting adhesive, for being bonded in metope or top ceiling.
Base plate is also provided with open holes, it is possible to be arranged on wall by screw.
The photoelectric smoke fire detector of the present invention, its profile is in square.
Being provided with mounting plate in shell, mounting plate is provided with claw, and circuit card is connected on mounting plate by claw, and mounting plate is connected on base plate, is provided with battery seat below mounting plate, and battery is arranged in battery seat and close base plate.
Base plate is provided with the guide rail hole of annular guide groove and some rotatable clampings, being provided with guide rail and claw below mounting plate, guide rail is corresponding with guide groove, and claw is corresponding with guide rail hole, guide rail hole along sense of rotation one head breadth, one narrow, the claw card just card that rotates to an angle after entering guide rail hole is tight.
It is provided with some the guide rail holes along circular distribution above upper cover, some claws it are provided with below guard, the claw of guard and the guide rail hole one_to_one corresponding of upper cover, guide rail hole along sense of rotation one head breadth, one narrow, the claw card just card that rotates to an angle after entering guide rail hole is tight. Guide rail hole herein is identical with the counter structure of the guide rail hole of base plate with the counter structure of claw and the claw of mounting plate.
On mounting plate, battery seat internal fixtion has the Elastic Steel chapelet of tilting, and after putting into battery, Elastic Steel chapelet pushed down by battery, do not discharge pond time Elastic Steel chapelet block base, base cannot cover.
The mounting plate back side is fixed with elastic steel sheet, and elastic steel sheet connects the circuit of alarm, and after covering cover plate, elastic steel sheet pushed down by cover plate, and the circuit of alarm disconnects, and circuit turn-on, the alarm ring of taking away cover plate alarm are named.
The invention has the beneficial effects as follows, structure is simple, easy to use, highly sensitive, and profile is attractive in appearance. Can obviously improving the luminescence display effect of point-type smoke detector device, simplify mounting process, it is to increase production efficiency, reduce total manufacturing cost, remarkable benefit, is convenient to promote the use of.
Accompanying drawing explanation
Accompanying drawing is the structural representation of the present invention. Fig. 1 is the overall diagram of the present invention. Fig. 2 is upper cover, and Fig. 3 is base, and Fig. 4 is the lower surface of mounting plate, and Fig. 5 is the upper surface of mounting plate.
1 circuit card, 2 bases, 3 upper covers, 4 guards, 5 labyrinth fume hood, 6 alarms, 7 euphotic zones, the hole of 8 corresponding labyrinth fume hood, 9 mounting plates, 10 battery seats, 11 guide grooves, 12 guide rail holes, 13 guide rails, 14 claws, 15 guide rail holes, 16 claws, 17 Elastic Steel chapelets, 18 elastic steel sheets, the hole of 19 corresponding alarms, 20 open holess.
Embodiment
Accompanying drawing is a kind of specific embodiment of the present invention.
The photoelectric smoke fire detector of the present invention, comprise the circuit card 1 of shell and enclosure, shell comprises the base 2, upper cover 3 and the guard 4 that connect successively from the bottom up, circuit card is provided with lamp, labyrinth fume hood 5 and alarm 6, on cover and be provided with transparent annular euphotic zone 7, on cover the hole 8 also having corresponding labyrinth fume hood and the hole 19 of corresponding alarm, net cover is at fume hood place, labyrinth.
It is frosting below base plate, frosting scribbles non-setting adhesive, for being bonded in metope or top ceiling.
Base plate is also provided with open holes 20, it is possible to be arranged on wall by screw.
The photoelectric smoke fire detector of the present invention, its profile is in square.
Being provided with mounting plate 9 in shell, mounting plate is provided with claw 16, and circuit card is connected on mounting plate by claw, and mounting plate is connected on base plate, is provided with battery seat 10 below mounting plate, and battery is arranged in battery seat and close base plate.
Base plate is provided with the guide rail hole 12 of annular guide groove 11 and some rotatable clampings, being provided with guide rail 13 and claw 14 below mounting plate, guide rail is corresponding with guide groove, and claw is corresponding with guide rail hole, guide rail hole along sense of rotation one head breadth, one narrow, the claw card just card that rotates to an angle after entering guide rail hole is tight.
It is provided with some the guide rail holes 15 along circular distribution above upper cover, some claws it are provided with below guard, the claw of guard and the guide rail hole one_to_one corresponding of upper cover, guide rail hole along sense of rotation one head breadth, one narrow, the claw card just card that rotates to an angle after entering guide rail hole is tight. Guide rail hole herein is identical with the counter structure of the guide rail hole of base plate with the counter structure of claw and the claw of mounting plate.
On mounting plate, battery seat internal fixtion has the Elastic Steel chapelet 17 of tilting, and after putting into battery, Elastic Steel chapelet pushed down by battery, do not discharge pond time Elastic Steel chapelet block base, base cannot cover.
The mounting plate back side is fixed with elastic steel sheet 18, and elastic steel sheet connects the circuit of alarm, and after covering cover plate, elastic steel sheet pushed down by cover plate, and the circuit of alarm disconnects, and circuit turn-on, the alarm ring of taking away cover plate alarm are named.
During use, photoelectric smoke fire detector is installed, utilizes the non-setting adhesive on the frosting at the base plate back side to be bonded on metope or top ceiling, like this for metope or the top ceiling of inconvenience nail, frosting contact area is big, is conducive to the bonding of non-setting adhesive. Metope or top ceiling can also be arranged on by nail with the open holes on base plate. The glittering prompting of euphotic zone is in running order. Annular euphotic zone both can throw light on, attractive in appearance again, it is possible to decoration room. Guard can be dismantled by the guide rail hole of upper cover easily and install, and convenience hairbrush is to labyrinth fume hood dedusting. Guard profile is attractive in appearance, it is also possible to prevent labyrinth fume hood from coming off. Elastic Steel chapelet on mounting plate prevents from forgetting packed battery. Elastic steel sheet on mounting plate prevents from forgetting to be installed on the base of metope detector body. By the guide groove on base and guide rail hole, detector body can be installed on the base on wall easily or disassemble, so as to change battery or give labyrinth fume hood wiping dedusting.
When wireless optical electric-type smoke alarm carries out fire detection, utilize light scattering principle to be detected by the smog that Initial Stage of Fire produces, utilize 433MHz communication frequency band to carry out Signal transmissions, specifically comprise the steps:
(1) learning process: in order to distinguish the smoke alarm of each fire-fighting main frame association, utilizing telepilot to each detector study coding before normal operation, encoded content comprises the information such as fire-fighting main frame address, detector building, unit, room number, detector sequence number. Test button presses for more than 1s, and wireless radio frequency modules enters study state; If detector learning success, telepilot can receive the acknowledge signal that wireless radio frequency modules sends, and the hummer of detector can send prompt tone simultaneously, prompting address learning success, each detector is by study, obtain the address information of self, it is provided with the function of identification, if learning unsuccessful, telepilot is received less than acknowledge signal, the hummer of detector does not send prompt tone simultaneously, repeats above-mentioned length by test button operation, continues to enter study state; If contrary test button is pressed is no more than 1s, detector just enters test job pattern, and detector sends out test signal by wireless radio frequency modules.
(2) smoke signal and battery voltage signal gatherer process: in order to reduce system power dissipation, adopts time-division processing method; Detector is in normal operation state, when in environment during non smoke, infrared light receiving diode does not receive the infrared light that infrared light emitting diode sends, the sample circuit of subsequent smoke AD acquisition module is without change in electric, then the sampling period of smoke signal is 8S, carries out a smoke signal AD every 8S and samples; When environment has smog, smoke particle enters the infrared light generation scattering making infrared light emitting diode send in labyrinth, the intensity of the infrared light of scattering and smokescope are certain linear relationship, subsequent sampling circuit changes, judge that these variable quantities are confirmed whether fire alarm by micro-chip, if the AD value of continuous twice collection is higher than the threshold value of setting, then enter alert status, sampling period changes 2S into, improves the accuracy of smoke detection by shortening the sampling period;Micro-chip is analyzed by the data gathered, judge whether have the condition of a fire to occur, once confirmation fire alarm, warning pilot lamp is lighted, and starts hummer and report to the police, and utilizes cableless communication technology simultaneously, fire signal is uploaded to fire-fighting main frame, fire-fighting main frame, by making a phone call or send short messages to notify user, starts the auxiliary facilitys such as wireless switching simultaneously and starts water pump or hydrant, reach the effect of fire-fighting link;
(3) active reporting process: in order to verify that detector is in normal operation state, and its work state information is uploaded to fire-fighting main frame, smoke alarm is in working process, detector is by wireless radio frequency modules (random occurrence) active reporting data at regular intervals, whether data packets is drawn together has the condition of a fire to occur or whether working battery is under-voltage and whether detector is in the information of normal operation state, wireless radio frequency modules is while reported data, the pilot lamp of detector is glittering, reminds user's detector to be in normal operation state.
Above-mentioned state carry out step smoke signal gatherer process while, cell voltage is also sampled by AD acquisition module, its sampling period is five minutes, if the voltage signal collected is lower than normal operation voltage, hummer just sends under-voltage prompting, remind user to change battery in time, avoid bringing unnecessary trouble because battery undervoltage affects detector normal operation;
When detector is by artificial or other reasons excision, owing to mounting plate contacts electrode mode with base plate employing, when detector is taken away from installation position, contact electrode points and shell fragment disconnect, microprocessor detect is less than contact electrode signal, by to detection signal analysis, think that detector is in abnormal operating state, alarm and/or pilot lamp send warning reminding signal, detector is in abnormal operating state by wireless radio frequency modules and is uploaded to fire-fighting main frame by detector in time, and main frame can know which detector is taken off very soon.
Claims (9)
1. a photoelectric smoke fire detector, comprise the circuit card of shell and enclosure, it is characterized in that: shell comprises the base, upper cover and the guard that connect successively from the bottom up, circuit card is provided with lamp, labyrinth fume hood and alarm, on cover and be provided with transparent annular euphotic zone, on cover the hole also having corresponding labyrinth fume hood and the hole of corresponding alarm, net cover is at fume hood place, labyrinth.
2. photoelectric smoke fire detector according to claim 1, it is characterised in that: it is frosting below base plate, frosting scribbles non-setting adhesive.
3. photoelectric smoke fire detector according to claim 1 and 2, it is characterised in that: base plate is also provided with open holes, it is possible to be arranged on wall by screw.
4. photoelectric smoke fire detector according to claim 1 and 2, it is characterised in that: its profile is in square.
5. photoelectric smoke fire detector according to claim 1 and 2, it is characterized in that: in shell, be provided with mounting plate, mounting plate is provided with claw, circuit card is connected on mounting plate by claw, mounting plate is connected on base plate, being provided with battery seat below mounting plate, battery is arranged in battery seat and close base plate.
6. photoelectric smoke fire detector according to claim 5, it is characterized in that: base plate is provided with the guide rail hole of annular guide groove and some rotatable clampings, guide rail and claw it is provided with below mounting plate, guide rail is corresponding with guide groove, claw is corresponding with guide rail hole, guide rail hole along sense of rotation one head breadth, one narrow, the claw card just card that rotates to an angle after entering guide rail hole is tight.
7. photoelectric smoke fire detector according to claim 1 and 2, it is characterized in that: above upper cover, be provided with some the guide rail holes along circular distribution, some claws it are provided with below guard, the claw of guard and the guide rail hole one_to_one corresponding of upper cover, guide rail hole along sense of rotation one head breadth, one narrow, the claw card just card that rotates to an angle after entering guide rail hole is tight.
8. photoelectric smoke fire detector according to claim 5, it is characterized in that: on mounting plate, battery seat internal fixtion has the Elastic Steel chapelet of tilting, and after putting into battery, Elastic Steel chapelet pushed down by battery, do not discharge pond time Elastic Steel chapelet block base, base cannot cover.
9. photoelectric smoke fire detector according to claim 5, it is characterized in that: the mounting plate back side is fixed with elastic steel sheet, elastic steel sheet connects the circuit of alarm, after covering cover plate, elastic steel sheet pushed down by cover plate, the circuit of alarm disconnects, and circuit turn-on, the alarm ring of taking away cover plate alarm are named.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610175926.3A CN105678949A (en) | 2016-03-25 | 2016-03-25 | Photoelectric smoke fire detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610175926.3A CN105678949A (en) | 2016-03-25 | 2016-03-25 | Photoelectric smoke fire detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105678949A true CN105678949A (en) | 2016-06-15 |
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ID=56224168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610175926.3A Pending CN105678949A (en) | 2016-03-25 | 2016-03-25 | Photoelectric smoke fire detector |
Country Status (1)
| Country | Link |
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| CN (1) | CN105678949A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106056831A (en) * | 2016-06-24 | 2016-10-26 | 重庆广播电视大学 | Smoke alarm control method based on computer processing and system thereof |
| CN106875620A (en) * | 2017-02-20 | 2017-06-20 | 佛山尘凡环保科技有限公司 | A kind of fire-fighting smoke induction device |
| CN107331105A (en) * | 2017-02-20 | 2017-11-07 | 佛山尘凡环保科技有限公司 | A kind of smoke fire detector |
| CN107331106A (en) * | 2017-02-20 | 2017-11-07 | 佛山尘凡环保科技有限公司 | A kind of fire-fighting smoke alarm |
| CN107331104A (en) * | 2017-02-20 | 2017-11-07 | 佛山尘凡环保科技有限公司 | A kind of fire-fighting smoke induction device being convenient to mount and dismount |
| CN107331103A (en) * | 2017-02-20 | 2017-11-07 | 佛山尘凡环保科技有限公司 | A kind of fire-fighting smoke detector |
| CN109478360A (en) * | 2016-07-12 | 2019-03-15 | 德国美力有限两合公司 | For check fire protection component method and the unpiloted vehicles |
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| CN202584346U (en) * | 2012-04-23 | 2012-12-05 | 成都安吉斯智能设备有限公司 | Point type photoelectric smoke detector |
| CN202771575U (en) * | 2012-09-12 | 2013-03-06 | 北京福赛尔安全消防设备有限公司 | Photoelectrical smoke-sensing fire hazard detector |
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| CN205508054U (en) * | 2016-03-25 | 2016-08-24 | 山东北仁汇智能源发展有限公司 | Photoelectric smoke detector |
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2016
- 2016-03-25 CN CN201610175926.3A patent/CN105678949A/en active Pending
Patent Citations (7)
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| CN202584346U (en) * | 2012-04-23 | 2012-12-05 | 成都安吉斯智能设备有限公司 | Point type photoelectric smoke detector |
| CN202771575U (en) * | 2012-09-12 | 2013-03-06 | 北京福赛尔安全消防设备有限公司 | Photoelectrical smoke-sensing fire hazard detector |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106056831A (en) * | 2016-06-24 | 2016-10-26 | 重庆广播电视大学 | Smoke alarm control method based on computer processing and system thereof |
| CN106056831B (en) * | 2016-06-24 | 2018-02-23 | 重庆广播电视大学 | Smog alarm control method and its system based on computer disposal |
| CN109478360A (en) * | 2016-07-12 | 2019-03-15 | 德国美力有限两合公司 | For check fire protection component method and the unpiloted vehicles |
| CN106875620A (en) * | 2017-02-20 | 2017-06-20 | 佛山尘凡环保科技有限公司 | A kind of fire-fighting smoke induction device |
| CN107331105A (en) * | 2017-02-20 | 2017-11-07 | 佛山尘凡环保科技有限公司 | A kind of smoke fire detector |
| CN107331106A (en) * | 2017-02-20 | 2017-11-07 | 佛山尘凡环保科技有限公司 | A kind of fire-fighting smoke alarm |
| CN107331104A (en) * | 2017-02-20 | 2017-11-07 | 佛山尘凡环保科技有限公司 | A kind of fire-fighting smoke induction device being convenient to mount and dismount |
| CN107331103A (en) * | 2017-02-20 | 2017-11-07 | 佛山尘凡环保科技有限公司 | A kind of fire-fighting smoke detector |
| CN107331104B (en) * | 2017-02-20 | 2018-12-11 | 扬州春风船舶机械制造有限公司 | A kind of fire-fighting smoke induction device being convenient to mount and dismount |
| CN107331105B (en) * | 2017-02-20 | 2018-12-11 | 扬州春风船舶机械制造有限公司 | A kind of smoke fire detector |
| CN107331103B (en) * | 2017-02-20 | 2018-12-14 | 江苏心灵鸡汤信息技术有限公司 | A kind of fire-fighting smoke detector |
| CN107331106B (en) * | 2017-02-20 | 2018-12-14 | 徐州卧牛山新型防水材料有限公司 | A kind of fire-fighting smoke alarm |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20160615 |