CN105931416A - Independent photoelectric smoke sensing fire detection alarm - Google Patents
Independent photoelectric smoke sensing fire detection alarm Download PDFInfo
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- CN105931416A CN105931416A CN201610477660.8A CN201610477660A CN105931416A CN 105931416 A CN105931416 A CN 105931416A CN 201610477660 A CN201610477660 A CN 201610477660A CN 105931416 A CN105931416 A CN 105931416A
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- darkroom
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- fire detection
- receiving device
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- 238000001514 detection method Methods 0.000 title claims abstract description 60
- 239000000779 smoke Substances 0.000 title claims abstract description 34
- 238000012360 testing method Methods 0.000 claims abstract description 26
- 238000004891 communication Methods 0.000 claims abstract description 17
- 230000005622 photoelectricity Effects 0.000 claims description 37
- 238000009434 installation Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 10
- 230000006870 function Effects 0.000 claims description 7
- 239000000443 aerosol Substances 0.000 claims description 6
- 230000007850 degeneration Effects 0.000 claims description 6
- 238000005034 decoration Methods 0.000 claims description 4
- 241000255925 Diptera Species 0.000 claims description 3
- 238000000149 argon plasma sintering Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 230000001795 light effect Effects 0.000 claims description 3
- 230000006386 memory function Effects 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 claims description 3
- 238000005304 joining Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 abstract 1
- 238000009826 distribution Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000003442 weekly effect Effects 0.000 description 1
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
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/08—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fire-Detection Mechanisms (AREA)
- Fire Alarms (AREA)
Abstract
The invention discloses an independent photoelectric smoke sensing fire detection alarm. The fire detection alarm comprises an alarm casing. A photoelectric dark room used for photoelectric smoke sensing fire detection is arranged in the alarm casing. An infrared emitting device and an infrared receiving device are arranged in the photoelectric dark room. The intensity of an infrared photoelectric signal received by the infrared receiving device and the smoke density are proportional. A main circuit board, a power supply device and a buzzer piece are arranged in the alarm casing. A main control module which carries out internal program operation processing on the infrared photoelectric signal fed back by the infrared receiving device and a wireless communication module which carries out wireless alarm communication with an external GSM fire alarm system are arranged on the main circuit board. A display module and a test button are arranged on the alarm casing. A mounting board is detachably arranged on the alarm casing. The independent photoelectric smoke sensing fire detection alarm provided by the invention has the advantages of simple structure, low cost, convenient maintenance, strong anti-interference ability and perfect function, and is particularly suitable for fire prevention applications in industrial or civil places.
Description
Technical field
The present invention relates to the design field of a kind of detector, the optical detector of fire smoke reported to the police especially for incipient fire, specifically a kind of based on stand alone type photoelectric smoke detecting alarm.
Background technology
A kind of fire-alarm that the smog produced when smoke sensitive fire hazard detection alarm is to utilize on fire can change this fundamental property of propagation characteristic of light and be developed into, this kind of alarm can quickly respond the burning being suspended near about in air and the produced smoke particle of pyrolysis.It is known that the early stage that fire occurs can produce substantial amounts of smog, smoke sensitive fire hazard detection alarm then can earlier detect the generation of fire by smog.But in prior art, traditional alarm, due to structure and the design reasons of circuit, the most often can be affected by surrounding air dirt degree and temperature; the most not only sensitivity is low; power consumption is high, but also easily produces wrong report, brings great inconvenience to user.
Summary of the invention
The technical problem to be solved is for above-mentioned prior art present situation, and provides and have low-power consumption, digital stable performance, and highly sensitive one is based on stand alone type photoelectric smoke detecting alarm.
The present invention solves the technical scheme that above-mentioned technical problem used: a kind of based on stand alone type photoelectric smoke detecting alarm, fire detection alarm includes body case of annunciator, body case of annunciator is provided with the photoelectricity darkroom of photo-electric smoke detection fire, being provided with in photoelectricity darkroom and can launch the infrared launcher of infrared light and utilize the smog entered in photoelectricity darkroom that scattering of light effect realizes the infrared receiving device that infrared light receives, the concentration of degree of strength and the smog entered in photoelectricity darkroom that this infrared receiving device receives infrared electro signal is directly proportional；Body case of annunciator is additionally provided with infrared launcher and the main circuit board of infrared receiving device connection and in fire detection alarm can be stood alone as all electric units the electric supply installation needed for electric power and the piezo reported to the police for buzzing are provided；Main circuit board is provided with the infrared electro signal to infrared receiving device feedback to carry out the main control module of internal processes calculation process and is carried out the wireless communication module of radio alarming communication by the control of master control module instruction and extraneous GSM fire alarm system；Body case of annunciator is provided with provides the display module of visual alarm signal and for setting up the testing button of radio alarming communication contact with flashing mode；And what body case of annunciator can be dismantled in the way of turn buckle extension is equipped with the convenient installing plate fixing with body of wall.
For optimizing technique scheme, the measure taked also includes:
Above-mentioned body case of annunciator is made up of the circular base being equipped with mutually and circular upper cover；Upper cover top surface has the display module for installing display module and installs window and install window for installing the testing button of testing button, display module installs window and testing button is installed window and is symmetrically disposed in the central axis both sides of upper cover, and upper cover snap-fit is provided with the decoration panel that can improve fire detection alarm overall aesthetic；Piezo, main circuit board, photoelectricity darkroom and electric supply installation are from top to bottom sequentially arranged in body case of annunciator, and the periphery fixed cover in photoelectricity darkroom is provided with for preventing mosquito from entering the fly net in photoelectricity darkroom.
Above-mentioned photoelectricity darkroom is made up of the darkroom base plate being equipped with mutually and base plate lower cover；Darkroom base plate covers mutually with base plate lower cover to join to be formed and is positioned at the darkroom cavity at center and smog and little light can only be allowed to enter into the tortuous tunnel in the cavity of darkroom around the multiple of darkroom cavity distribution；Multiple tortuous tunnels and infrared launcher, infrared receiving device form an annulus around darkroom cavity just, infrared launcher and infrared receiving device are directed to the center of darkroom cavity, and at a distance of 135 degree to 139 degree between infrared launcher and infrared receiving device, being provided with black mask shield in the cavity of darkroom, black mask shield non smoke in the cavity of darkroom is avoided that in the case of making light scattering that the infrared light that infrared launcher straight line is launched is received by infrared receiving device.
It is machined with on above-mentioned darkroom base plate for the first locator card chamber of locator card dress infrared launcher and arranges for locator card dress the second locator card chamber of infrared receiving device and multiple interval and extrados has additional the arc block plate that arc is prominent, tortuous tunnel is formed by the tortuous spaces between two adjacent arc block plates, black mask shield is molded on the base plate of darkroom, and the space that darkroom cavity is surrounded by arc block plate and the first locator card chamber, the second locator card chamber is constituted.
Above-mentioned electric supply installation includes distributing the power supply electroplax of electric power for all electric units in fire detection alarm and connecting with power supply electroplax circuit for the large-capacity battery providing electric power to export and the power supply bayonet lock of pressing control storage battery power supply break-make；The bottom surface of base has the pilot hole of power supply bayonet lock assembling, and the both sides of power supply bayonet lock are provided with stopper slot, and correspondingly the both sides of pilot hole stretch out to be shaped with and have appropriate elasticity and can snap in the spacing spacing card article coordinated with stopper slot.
Above-mentioned installing plate is the cirque structure with round and smooth tapering extrados, it is respectively symmetrically on the internal ring side face of this installing plate to be machined with the screw recess hole utilizing screw to be fixed in installation site by installing plate and be used for turn buckle and hangs the fixing buckle of fixing body case of annunciator and be used for limiting the limited post of the body case of annunciator anglec of rotation, the fixed card slot that fixing buckle snaps in is had on the base of body case of annunciator, installing plate and body case of annunciator button mount after joining, and screw recess hole, fixing buckle and limited post are the most hidden in fire detection alarm.
It is furnished with on above-mentioned main circuit board and can make the fire detection alarm more reliable and more stable analog circuit of work and digital circuit；The infrared electro signal of input is amplified after anti-interference process being changed into digital signal by analogue signal by main control module, and display module is made up of red LED and green LED, and this display module is controlled by main control module；Under the holding state detected without fire hazard aerosol fog, fire detection alarm detects once for every 10 seconds, and the flicker in every 344 seconds of the reddest LED is once shown to be normal mode of operation；When fire detection alarm detects the fire hazard aerosol fog setting concentration or when fire detection alarm is carried out employing testing button key testing, the piezo then buzzing warning continuously that red LED is described while flicker continuously.
There is on above-mentioned main circuit board the low-voltage alarm circuit realizing low pressure alarming function, main control module contains low pressure alarming program, when the electricity of accumulator is less than the low-pressure settings of main control module, the main control module signal of telecommunication controls piezo and within every 43 seconds, sends the alarm sound of very brief " beep ".
Above-mentioned main control module has the history warning memory function of 24 hours, and in fire detection alarm once occurred 24 hours of warning, 3 promptings of the master control module controls green LED interval flashing of every 43 seconds once occurred warning.
Above-mentioned main control module has photoelectricity storehouse degeneration warning function, and after fire detection alarm arrives the degeneration of service life photoelectricity darkroom, master control module controls piezo sent continuous 3 very brief alarm sound every 43 seconds.
Compared with prior art, the fire detection alarm main circuit board of the present invention is furnished with analog circuit and the digital circuit of precision, it is thus possible to make detector work more stable, reliable.Fire detection alarm have employed photo-electric smoke detection, has highly sensitive, low-power consumption, a feature that volume is little.The present invention is built-in with the long-life accumulator of Large Copacity, can work alone in the case of without external power supply, and its service life was up to 10 years.The present invention can be by the generation of a large amount of smoke detections of producing time on fire to fire fire occurs early stage, utilize smog can change the feature of propagation characteristic of light, by being arranged on the infrared launcher in photoelectricity darkroom and infrared receiving device, it is achieved the early alert of fire.The present invention can pass through wireless communication module when detecting fire and occurring, and the information that the fire detected occurs passes to the GSM fire alarm system in the external world, then utilizes GSM fire alarm system that by mobile phone, the information that fire occurs is sent to client.Capacity of resisting disturbance of the present invention is strong, perfect in shape and function and simple in construction, with low cost, easy to maintenance, be suitable to the flame retardant application in industrial or civilian place.
Accompanying drawing explanation
Fig. 1 is the stereo decomposing structural representation of the embodiment of the present invention；
Fig. 2 is the main TV structure figure of the present invention；
Fig. 3 is that the B-B of Fig. 2 is to sectional structure chart；
Fig. 4 is that the present invention bows structural representation when seeing；
Fig. 5 is the structural representation of display module in Fig. 1；
Fig. 6 is the perspective view of installing plate in Fig. 1；
Fig. 7 is the perspective view of power supply bayonet lock in Fig. 1；
Fig. 8 is the sectional view of power supply bayonet lock in Fig. 1；
Fig. 9 is the structural representation of fly net in Fig. 1；
Figure 10 is the top view of base of the present invention；
Figure 11 is that the D-D of Figure 10 is to sectional structure chart；
Figure 12 is the face upwarding assumption diagram of base of the present invention；
Figure 13 is the structural representation of darkroom of the present invention base plate.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in further detail.
Fig. 1 to Figure 13 show the structural representation of the present invention.
nullReference therein is: fly net F、T-shaped bayonet socket F1、T-shaped dop F2、Spacing card article T、First locator card chamber K1、Second locator card chamber K2、Upper bonnet bolt L、Body case of annunciator 1、Upper cover 11、Display module installs window 11a、Testing button installs window 11b、Base 12、Pilot hole 12a、Fixed card slot 12b、Upper cover bolt hole 12c、Battery compartment 12d、Decoration panel 13、Photoelectricity darkroom 2、Tortuous tunnel 2a、Darkroom cavity 2b、Darkroom base plate 21、Arc block plate 21a、Arc highlights 21b、Black mask shield 211、Base plate lower cover 22、Main circuit board 3、Main control module 31、Wireless communication module 32、Electric supply installation 4、Power supply electroplax 41、Accumulator 42、Power supply bayonet lock 43、Stopper slot 43a、Piezo 5、Display module 6、Red LED 61、Green LED 62、Testing button 7、Installing plate 8、Screw recess hole 8a、Fixing buckle 8b、Limited post 8c、Round and smooth tapering extrados 81、Infrared launcher 91、Infrared receiving device 92.
As shown in figure 1 to figure 13, the one of the present invention is based on stand alone type photoelectric smoke detecting alarm, and this fire detection alarm includes body case of annunciator 1, and body case of annunciator 1 is made up of circular base 12 and circular upper cover 11；Base 12 and upper cover 11 are matched by upper bonnet bolt L and are assembled integrally, base 12 is machined with upper cover bolt hole 12c, the female threaded post of band it is machined with in upper cover 11, upper bonnet bolt L matches through upper cover bolt hole 12c with threaded post spiral, base 12 and upper cover 11 phase lid join the inner chamber defining fire detection alarm, this inner chamber is namely provided with in body case of annunciator 1 the photoelectricity darkroom 2 of photo-electric smoke detection fire, photoelectricity darkroom 2 is provided with and can launch the infrared launcher 91 of infrared light and utilize the smog entered in photoelectricity darkroom 2 that scattering of light effect realizes the infrared receiving device 92 that infrared light receives, infrared launcher 91 and infrared receiving device 92 constitute infrared transceiver device.Infrared receiving device 92 is under normal circumstances, in the case of i.e. smogless in photoelectricity darkroom 2, the infrared light that infrared launcher 91 is launched can be received owing to the reason of self structure has, only after having smog to enter into photoelectricity darkroom 2, the infrared light that fine particle in smog scatters just can be received by infrared receiving device 92, degree of strength that infrared receiving device 92 receives infrared electro signal and the concentration of smog entered in photoelectricity darkroom 2 are directly proportional, and i.e. to determine the signal that infrared receiving device 92 receives strong and weak for the concentration level of smog.Body case of annunciator 1 is additionally provided with infrared launcher 91 and the main circuit board 3 of infrared receiving device 92 connection and in fire detection alarm can be stood alone as all electric units the electric supply installation 4 needed for electric power and the piezo 5 reported to the police for buzzing are provided；The center of upper cover 11 is machined with the sender that buzzing is reported to the police.Main circuit board 3 is provided with the infrared electro signal to infrared receiving device 92 feedback to carry out the main control module 31 of internal processes calculation process and is carried out the wireless communication module 32 of radio alarming communication by main control module 31 instruction control and extraneous GSM fire alarm system；Body case of annunciator 1 is provided with provides the display module 6 of visual alarm signal and for setting up the testing button 7 of radio alarming communication contact with extraneous GSM fire alarm system with flashing mode；And what body case of annunciator 1 can be dismantled in the way of turn buckle extension is equipped with the convenient installing plate 8 fixing with body of wall.The display module 6 of the present invention is made up of the LED of red LED 61 and 62 two kinds of colors of green LED.Main control module 31 is the Main Processor Unit of the present invention, contains fire alarm processing routine inside it.When fire occurs, smog enters in photoelectricity darkroom 2, after the infrared electro signal intensity received at infrared receiving device 92 is more than the response lag of main control module 31 program setting, main control module 31 can be sent mandatory signal and the information that the fire detected occurs is passed to by wireless communication module 32 the GSM fire alarm system in the external world, then utilizing GSM fire alarm system that by mobile phone, the information that fire occurs is sent to client, meanwhile main control module 31 controls piezo 5 the most simultaneously and display module 6 makes corresponding alarm.The present invention can be by the generation of a large amount of smoke detections of producing time on fire to fire fire occurs early stage, utilize smog can change the feature of propagation characteristic of light, by being arranged on the infrared launcher in photoelectricity darkroom and infrared receiving device, it is achieved the early alert of fire.
As shown in Figure 1, upper cover 11 end face has the display module for installing display module 6 and installs window 11a and install window 11b for installing the testing button of testing button 7, display module installs window 11a and testing button is installed window 11b and is symmetrically disposed in the central axis both sides of upper cover 11, and upper cover 11 snap-fit is provided with the decoration panel 13 that can improve fire detection alarm overall aesthetic；Piezo 5, main circuit board 3, photoelectricity darkroom 2 and electric supply installation 4 are from top to bottom sequentially arranged in body case of annunciator 1, and the periphery fixed cover in photoelectricity darkroom 2 is provided with for preventing mosquito from entering the fly net F in photoelectricity darkroom 2.As can see from Figure 9, one end of the fly net F of the present invention is machined with T-shaped bayonet socket F1, the other end of fly net F is machined with T-shaped dop F2, fly net F for being arranged on photoelectricity darkroom 2 outer peripheral face with dismantling changeable type, as long as during installation, T-shaped dop F2 is linked on T-shaped bayonet socket F1, easy installation and removal.
As shown in Fig. 1 and Figure 13, photoelectricity darkroom 2 is made up of the darkroom base plate 21 being equipped with mutually and base plate lower cover 22；Darkroom base plate 21 and base plate lower cover 22 phase lid are joined to be formed and are positioned at the darkroom cavity 2b at center and multiple smog and little light can only be allowed to enter into the tortuous tunnel 2a in the cavity 2b of darkroom around darkroom cavity 2b distribution；Multiple tortuous tunnel 2a and infrared launcher 91, infrared receiving device 92 form an annulus around darkroom cavity 2b just, infrared launcher 91 and infrared receiving device 92 are directed to the center of darkroom cavity 2b, and at a distance of 135 degree to 139 degree between infrared launcher 91 and infrared receiving device 92, being provided with black mask shield 211 in the cavity 2b of darkroom, black mask shield 211 non smoke in the cavity 2b of darkroom is avoided that in the case of making light scattering that the infrared light that infrared launcher 91 straight line is launched is received by infrared receiving device 92.nullInfrared light in order to prevent infrared launcher 91 from launching directly is received by infrared receiving device 92，The setting of infrared launcher 91 and infrared receiving device 92 is the most on the same line，The infrared light that infrared launcher 91 sends points to the center of darkroom cavity 2b，And infrared receiving device 92 is also towards the center of darkroom cavity 2b，Between infrared launcher 91 and infrared receiving device 92, optimal circumference is apart set to 137.6 degree，And in the cavity 2b of darkroom, it is provided with black mask shield 211，So in the case of the most smogless，The infrared light that infrared launcher 91 sends can not be received by infrared receiving device 92，Only after having smog to enter darkroom cavity 2b，Fine particle in smog，The infrared ray scattered could be received by infrared receiving device 92，Thus the early detection that the smog produced time on fire by fire realizes fire is reported to the police.
In embodiment, continuing with seeing Figure 13, it is machined with the first locator card chamber K1 for locator card dress infrared launcher 91 and the second locator card chamber K2 for locator card dress infrared receiving device 92 on darkroom base plate 21 and multiple interval is arranged and extrados has additional arc and highlights the arc block plate 21a of 21b, infrared launcher 91 is releasably installed in the first locator card chamber K1, infrared receiving device 92 is installed in the second locator card chamber K2 the most removedly, tortuous tunnel 2a described in the present invention be then by two adjacent arc block plate 21a between arc tortuous spaces formed, arc highlights 21b and is then positioned in arc tortuous spaces, thus add the arc curvature of tortuous tunnel 2a tunnel internal, the light making the external world can not substantial amounts of enter in the cavity 2b of darkroom.The black mask shield 211 of the present invention is molded on darkroom base plate 21, and the space that darkroom cavity 2b is surrounded by arc block plate 21a and the first locator card chamber K1, the second locator card chamber K2 is constituted.
The electric supply installation 4 of the present invention includes for the power supply electroplax 41 of all electric units distribution electric power in fire detection alarm and connects with power supply electroplax 41 circuit for the large-capacity battery 42 providing electric power export and press control accumulator 42 and power the power supply bayonet lock 43 of break-make；The bottom surface of base 12 has the pilot hole 12a of power supply bayonet lock 43 assembling, and the both sides of power supply bayonet lock 43 are provided with stopper slot 43a, and correspondingly the both sides of pilot hole 12a stretch out to be shaped with and have appropriate elasticity and can snap in the spacing spacing card article T coordinated with stopper slot 43a.From Fig. 1, Fig. 3, Figure 10, Figure 11 and Figure 12 of the present invention it will be seen that the bottom surface of base 12 is also machined with prominent battery compartment 12d, accumulator 42 is arranged in the battery compartment 12d of base 12, and power supply electroplax 41 location is arranged on the top of accumulator 42.The built-in accumulator 42 of the present invention is long life accumulator, when fire detection alarm dispatches from the factory, accumulator 42 is set to off-state, now power supply bayonet lock 43 is ejection state, therefore its height projecting height higher than battery compartment 12d, base 12 cannot be fixed on installing plate 8 by user in this case.Power supply bayonet lock 43 must be pressed downwards before first use, make spacing card article T be positioned at the stopper slot 43a of power supply bayonet lock 43 i.e.: power supply is on-state.
As shown in Figure 6, installing plate 8 is the cirque structure with round and smooth tapering extrados 81, it is respectively symmetrically on the internal ring side face of this installing plate 8 to be machined with the screw recess hole 8a utilizing screw to be fixed in installation site by installing plate 8 and be used for turn buckle and hangs the fixing buckle 8b of fixing body case of annunciator 1 and be used for limiting the limited post 8c of body case of annunciator 1 anglec of rotation, the base 12 of body case of annunciator 1 has the fixed card slot 12b that fixing buckle 8b snaps in.First being fixed on by installing plate 8 when installing fire detection alarm needs on position to be mounted, then being pressed by the power supply bayonet lock 43 on base 12 bottom surface makes spacing card article T snap onto in the stopper slot 43a of power supply bayonet lock 43, the fixed card slot 12b of base 12 is directed at fixing buckle 8b again, fixing buckle 8b is made to enter in fixed card slot 12b, last rotation body case of annunciator 1 gently, makes fixing buckle 8b coordinate clamping with fixed card slot 12b.The fire detection alarm overall appearance of the present invention is novel, outward appearance is the most generous, owing to screw recess hole 8a, fixing buckle 8b and limited post 8c are arranged on the internal ring side face of installing plate 8, therefore installing plate 8 is after mounting join with body case of annunciator 1 button, screw recess hole 8a, fixing buckle 8b and limited post 8c are the most hidden inside fire detection alarm, can't see how fit in outside.
Analog circuit and the digital circuit of precision it is furnished with on the fire detection alarm main circuit board 3 of the present invention, it is thus possible to make detector work more stable, reliable, the infrared electro signal that infrared receiving device 92 is inputted by main control module 31 is amplified after anti-interference process being changed into digital signal by analogue signal, and display module 6 is controlled by main control module 31；Under the holding state detected without fire hazard aerosol fog, the detection of every 10 seconds of fire detection alarm once, and now display module 6 red LED 61 flicker in every 344 seconds once, be shown to be normal mode of operation；When fire detection alarm detects the fire hazard aerosol fog setting concentration or when using testing button 7 that fire detection alarm is carried out key testing, the piezo 5 then continuous buzzing while flicker continuously of the red LED 61 of display module 6 is reported to the police.When pressing testing button 7 fire detection alarm and then entering test alarm mode, fire detection alarm will send the buzzer more than 86dB, testing button 7 is also used for setting up communication contact with GSM fire alarm system, when entering test alarm mode, main control module 31 can send alarm signal by wireless communication module 32, make extraneous GSM fire alarm system achieve after receiving and record the alarm signal of this fire detection alarm, thus realize the foundation of fire detection alarm and GSM fire alarm system communication contact.
There is on main circuit board 3 low-voltage alarm circuit realizing low pressure alarming function, main control module 31 contains low pressure alarming program, when the electricity of accumulator 42 is less than the low-pressure settings of main control module 31, main control module 31 signal of telecommunication controls piezo 5 and within every 43 seconds, sends the alarm sound of very brief " beep ".
Main control module 31 has the history warning memory function of 24 hours, and in fire detection alarm once occurred 24 hours of warning, main control module 31 controls 3 promptings of green LED 62 interval flashing of every 43 seconds and warning once occurred.Stopping is pointed out after 24 hours.
Main control module 31 has photoelectricity storehouse degeneration warning function, and after fire detection alarm arrives the degeneration of service life photoelectricity darkroom 2, main control module 31 controls piezo 5 and sent continuous 3 very brief alarm sound every 43 seconds.
The invention have the characteristics that employing photo-electric smoke detection；Highly sensitive；Low in energy consumption；Volume is little；Internal being made up of accurate analog circuit and digital circuit, reliable and stable, product service life is 10 years.
The technical parameter of the present invention is: the built-in CP952434 of voltage: DC3V(), alarm current≤120mA, quiescent current≤2uA, sound pressure level >=85dB/3m (A weighted), operating temperature is-10 DEG C ~+40 DEG C, and ambient humidity≤95%RH(is without condensation),
The present invention in use, should carry out one-touch test to fire detection alarm weekly, it is to avoid be arranged on dirt moist, many, bathroom, kitchen, etc. place.The region outside 0 DEG C of-40 DEG C of scope is avoided to install.
Claims (10)
1. one kind based on stand alone type photoelectric smoke detecting alarm, described fire detection alarm includes body case of annunciator (1), it is characterized in that: body case of annunciator (1) is provided with the photoelectricity darkroom (2) of photo-electric smoke detection fire, described photoelectricity darkroom (2) is provided with and can launch the infrared launcher (91) of infrared light and utilize the smog entered in photoelectricity darkroom (2) that scattering of light effect realizes the infrared receiving device (92) that infrared light receives, the concentration of degree of strength and the smog entered in photoelectricity darkroom (2) that this infrared receiving device (92) receives infrared electro signal is directly proportional；Described body case of annunciator (1) is additionally provided with infrared launcher (91) and the main circuit board (3) of infrared receiving device (92) connection and in fire detection alarm can be stood alone as all electric units the electric supply installation (4) needed for electric power and the piezo (5) for buzzing warning are provided；Described main circuit board (3) is provided with the infrared electro signal feeding back infrared receiving device (92) to carry out the main control module (31) of internal processes calculation process and is carried out the wireless communication module (32) of radio alarming communication by main control module (31) instruction control and extraneous GSM fire alarm system；Described body case of annunciator (1) is provided with provides the display module (6) of visual alarm signal and for setting up the testing button (7) of radio alarming communication contact with flashing mode；And what body case of annunciator (1) can be dismantled in the way of turn buckle extension is equipped with the convenient installing plate (8) fixing with body of wall.
One the most according to claim 1, based on stand alone type photoelectric smoke detecting alarm, is characterized in that: described body case of annunciator (1) is made up of the circular base (12) being equipped with mutually and circular upper cover (11)；Described upper cover (11) end face has the display module for installing display module (6) and installs window (11a) and be used for installing testing button installation window (11b) of testing button (7), described display module installs window (11a) and testing button is installed window (11b) and is symmetrically disposed in the central axis both sides of upper cover (11), and described upper cover (11) snap-fit is provided with the decoration panel (13) that can improve fire detection alarm overall aesthetic；Described piezo (5), main circuit board (3), photoelectricity darkroom (2) and electric supply installation (4) are from top to bottom sequentially arranged in body case of annunciator (1), and the periphery fixed cover in described photoelectricity darkroom (2) is provided with for preventing mosquito from entering the fly net (F) in photoelectricity darkroom (2).
One the most according to claim 2, based on stand alone type photoelectric smoke detecting alarm, is characterized in that: described photoelectricity darkroom (2) is made up of the darkroom base plate (21) being equipped with mutually and base plate lower cover (22)；Described darkroom base plate (21) covers mutually with base plate lower cover (22) to join to be formed and is positioned at the darkroom cavity (2b) at center and multiple smog and little light can only be allowed to enter into the tortuous tunnel (2a) in darkroom cavity (2b) around what darkroom cavity (2b) was distributed；Multiple described tortuous tunnels (2a) and infrared launcher (91), infrared receiving device (92) composition one just is around the annulus of darkroom cavity (2b), described infrared launcher (91) and infrared receiving device (92) are directed to the center of darkroom cavity (2b), and at a distance of 135 degree to 139 degree between infrared launcher (91) and infrared receiving device (92), described darkroom cavity (2b) is provided with black mask shield (211), described black mask shield (211) non smoke in darkroom cavity (2b) is avoided that in the case of making light scattering that the infrared light that infrared launcher (91) straight line is launched is received by infrared receiving device (92).
One the most according to claim 3 is based on stand alone type photoelectric smoke detecting alarm, it is characterized in that: be machined with on described darkroom base plate (21) for the first locator card chamber (K1) of locator card dress infrared launcher (91) and arrange for the second locator card chamber (K2) of locator card dress infrared receiving device (92) and multiple interval and extrados has additional the arc block plate (21a) of arc prominent (21b), described tortuous tunnel (2a) is formed by the tortuous spaces between two adjacent arc block plates (21a), described black mask shield (211) is molded on darkroom base plate (21), described darkroom cavity (2b) is by arc block plate (21a) and the first locator card chamber (K1), the space that second locator card chamber (K2) surrounds is constituted.
One the most according to claim 4, based on stand alone type photoelectric smoke detecting alarm, is characterized in that: described electric supply installation (4) includes distributing the power supply electroplax (41) of electric power for all electric units in fire detection alarm and connecting with power supply electroplax (41) circuit for the large-capacity battery (42) providing electric power to export and the power supply bayonet lock (43) of pressing control accumulator (42) power supply break-make；The bottom surface of described base (12) has the pilot hole (12a) that power supply bayonet lock (43) assembles, and the both sides of described power supply bayonet lock (43) are provided with stopper slot (43a), the both sides of correspondingly described pilot hole (12a) stretch out to be shaped with and have appropriate elasticity and can snap in the spacing spacing card article (T) coordinated with stopper slot (43a).
nullOne the most according to claim 5 is based on stand alone type photoelectric smoke detecting alarm，It is characterized in that: described installing plate (8) is the cirque structure with round and smooth tapering extrados (81)，It is respectively symmetrically on the internal ring side face of this installing plate (8) and is machined with the screw recess hole (8a) utilizing screw to be fixed in installation site by installing plate (8) and hangs the fixing buckle (8b) of fixing body case of annunciator (1) for turn buckle and be used for limiting the limited post (8c) of body case of annunciator (1) anglec of rotation，The fixed card slot (12b) that fixing buckle (8b) snaps in is had on the base (12) of described body case of annunciator (1)，Described installing plate (8) and body case of annunciator (1) button mount after joining，Described screw recess hole (8a)、Fixing buckle (8b) and limited post (8c) are the most hidden in fire detection alarm.
One the most according to claim 6, based on stand alone type photoelectric smoke detecting alarm, is characterized in that: is furnished with on described main circuit board (3) and can make the fire detection alarm more reliable and more stable analog circuit of work and digital circuit；The infrared electro signal of input is amplified after anti-interference process being changed into digital signal by analogue signal by described main control module (31), described display module (6) is made up of red LED (61) and green LED (62), and this display module (6) is controlled by main control module (31)；Under the holding state detected without fire hazard aerosol fog, fire detection alarm detects once for every 10 seconds, and the flicker in every 344 seconds of now described red LED (61) is once, is shown to be normal mode of operation；When fire detection alarm detects the fire hazard aerosol fog setting concentration or when fire detection alarm is carried out key testing in employing testing button (7), piezo (5) the then buzzing warning continuously that described red LED (61) is described while flicker continuously.
One the most according to claim 7 is based on stand alone type photoelectric smoke detecting alarm, it is characterized in that: on described main circuit board (3), there is the low-voltage alarm circuit realizing low pressure alarming function, described main control module (31) contains low pressure alarming program, when the electricity of described accumulator (42) is less than the low-pressure settings of main control module (31), described main control module (31) signal of telecommunication controls piezo (5) and within every 43 seconds, sends the alarm sound of very brief " beep ".
One the most according to claim 8 is based on stand alone type photoelectric smoke detecting alarm, it is characterized in that: described main control module (31) has the history warning memory function of 24 hours, in fire detection alarm once occurred 24 hours of warning, described main control module (31) controls 3 promptings of green LED (62) interval flashing of every 43 seconds and warning once occurred.
One the most according to claim 9 is based on stand alone type photoelectric smoke detecting alarm, it is characterized in that: described main control module (31) has photoelectricity storehouse degeneration warning function, after fire detection alarm arrives service life photoelectricity darkroom (2) degeneration, described main control module (31) controls piezo (5) and sent continuous 3 very brief alarm sound every 43 seconds.
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| CN201610477660.8A CN105931416B (en) | 2016-06-27 | 2016-06-27 | One kind is based on free-standing photoelectric smoke detecting alarm |
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| CN201610477660.8A CN105931416B (en) | 2016-06-27 | 2016-06-27 | One kind is based on free-standing photoelectric smoke detecting alarm |
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Cited By (7)
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| CN106981166A (en) * | 2017-05-25 | 2017-07-25 | 欧阳培光 | A kind of network intelligence photoelectric smoke detecting alarm control system and its control method |
| CN109001088A (en) * | 2018-05-30 | 2018-12-14 | 绵阳涪泽恩达科技有限公司 | Vertical layout osmosis type kitchen special photoelectric smoke detector |
| WO2018227897A1 (en) * | 2017-06-14 | 2018-12-20 | 苏州珀斯方得电子有限公司 | Miniature smoke alarm |
| CN111161503A (en) * | 2018-11-08 | 2020-05-15 | 江门市奇斌模具制品有限公司 | Connection structure of alarm |
| TWI714033B (en) * | 2018-03-29 | 2020-12-21 | 日商松下知識產權經營股份有限公司 | Alarm device, control method and program |
| US11138853B2 (en) | 2019-05-17 | 2021-10-05 | Carrier Corporation | Intrusion entry protection |
| US11614396B2 (en) | 2018-06-25 | 2023-03-28 | Hochiki Corporation | Fire detection device |
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| US11614396B2 (en) | 2018-06-25 | 2023-03-28 | Hochiki Corporation | Fire detection device |
| CN111161503A (en) * | 2018-11-08 | 2020-05-15 | 江门市奇斌模具制品有限公司 | Connection structure of alarm |
| US11138853B2 (en) | 2019-05-17 | 2021-10-05 | Carrier Corporation | Intrusion entry protection |
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