CN105931417A - Independent photoelectric smoke detection alarm - Google Patents
Independent photoelectric smoke detection alarm Download PDFInfo
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- CN105931417A CN105931417A CN201610477687.7A CN201610477687A CN105931417A CN 105931417 A CN105931417 A CN 105931417A CN 201610477687 A CN201610477687 A CN 201610477687A CN 105931417 A CN105931417 A CN 105931417A
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- 239000000779 smoke Substances 0.000 title claims abstract description 31
- 238000001514 detection method Methods 0.000 title claims abstract description 18
- 238000012545 processing Methods 0.000 claims abstract description 50
- 238000012360 testing method Methods 0.000 claims abstract description 36
- 238000004891 communication Methods 0.000 claims abstract description 31
- KLARSDUHONHPRF-UHFFFAOYSA-N [Li].[Mn] Chemical compound [Li].[Mn] KLARSDUHONHPRF-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000013461 design Methods 0.000 claims abstract description 5
- 230000005622 photoelectricity Effects 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 9
- 239000003517 fume Substances 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 6
- 230000006855 networking Effects 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 239000000443 aerosol Substances 0.000 claims description 4
- 230000006386 memory function Effects 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 230000004087 circulation Effects 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000011896 sensitive detection Methods 0.000 abstract 1
- 230000006870 function Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002547 anomalous effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
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- 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
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
Abstract
The invention discloses an independent photoelectric smoke detection alarm which comprises an alarm base, an alarm upper cover and a circuit board. The alarm upper cover covers the alarm base to form a photoelectric darkroom, and only smoke and less light are allowed to enter the photoelectric darkroom. A space is surrounded by a lower recessed cavity in the alarm base and an upper recessed cavity in the alarm upper cover to form the photoelectric darkroom. The circuit board is arranged in the lower recessed cavity. A signal processing module, an infrared transceiver module and a wireless communication module are integrated on the circuit board. The infrared transceiver module comprises an infrared light emitting diode and an infrared receiving diode. A voice alarm module and a display module are built in the alarm upper cover. A test button is arranged on the alarm upper cover. A power supply module is arranged in the alarm base. The independent photoelectric smoke detection alarm provided by the invention has the advantages of strong anti-interference ability, sensitive detection, simple structure, reasonable design, accurate detection and long service life. A 3-volt lithium manganese battery with the service life of 10 years is built in the independent photoelectric smoke detection alarm.
Description
Technical field
The present invention relates to a kind of fire hazard aerosol fog automatic detection alarm device, specifically stand alone type photoelectric smoke detecting alarm.
Background technology
Along with the fire such as Modern hotels, dining room, public place of entertainment and family, the increase of power consumption, the frequency that various fire occur is more and more higher.People, in order to finding to avoid the occurrence of great Loss of Life and property early, are now generally fitted with alarm device.In prior art, the kind style of alarm is a lot, mainly has the types such as ion, photoelectricity and temperature-sensitive in terms of principle function, and alarm utilizes its internally installed highly sensitive detecting element to catch the ANOMALOUS VARIATIONS signal an alert such as temperature and gas content in air.But the alarm sold on market generally only has auto-alarm function, can not manual operation, and alarm is owing to using in different environments for a long time, the situation that sensitivity declines or lost efficacy it is likely to occur under the influence of by factors such as dust are moist, or the fire owing to occurring is in early days, or other the most detectable situation of reason alarm, alarm will use.Particularly alarm is once installing, think to test whether alarm reports to the police with regard to relative difficulty at any time, thus if a kind of alarm can be had i.e. to have the function of traditional alert device, have again and be convenient for people to detection and the function of manual operation warning, by more extensive for the adaptability that makes alarm, also can provide diversified selection for people, the most also enrich the supply market of alarm.
Summary of the invention
The technical problem to be solved is for above-mentioned prior art present situation, and provide a large amount of smoke detections that can produce when the early utilization that fire occurs is on fire to a kind of free-standing photoelectric smoke detecting alarm of fire, this fire detection alarm simple in construction, be quick on the draw, capacity of resisting disturbance is strong, perfect in shape and function, can not only be used alone, moreover it is possible to realize wireless networking combination with extraneous fire alarm system.
The present invention solves the technical scheme that above-mentioned technical problem used: stand alone type photoelectric smoke detecting alarm, including alarm base and alarm upper cover and circuit board, alarm base covers mutually with alarm upper cover to join and is formed with the photoelectricity darkroom that smog and little light can only be allowed to enter, and lower cavity that photoelectricity darkroom is shaped with by alarm base and the space that the upper cavity that alarm upper cover is shaped with surrounds are constituted；Circuit board level is arranged in the lower cavity of photoelectricity dark indoor alarm equipment base, this circuit board is integrated with inside and contains the signal processing module of photoelectric smoke controlling alarm program and for detecting the infrared transceiver module of fire and outwardly GSM fire alarm system transmission radio alarming communication can realize wireless communication module associated with wireless networking；Infrared transceiver module includes according to signal processing module instruction at interval of within 10 seconds, launching the infrarede emitting diode of an infrared light rectilinear light beam and with infrarede emitting diode circumference in 130 degree to the 160 degree of infrared receiving diodes utilizing the smoke particle in smog that the scattering process of infrared light just can receive infrared electro signal when only entering to have smog in photoelectricity darkroom arranged；Being embedded with in alarm upper cover is all connected with circuit board line is controlled the voice alarm module for going out audio alert signal and the display module for real-time display alarm current state by signal processing module signal, and covers the testing button being also equipped with for testing alarm on this alarm；Alarm base is installed promising alarm internal all electric units the power module needed for electric power is provided.
For optimizing technique scheme, present invention additionally comprises the technical scheme of following improvement.
The end face center of above-mentioned alarm upper cover is shaped with the recessed area of circle, and the center of this recessed area is shaped with testing button assembling through hole；Testing button includes that can double as decorative panel suitable with recessed area shape is to improve the button panel face of alarm global design aesthetic feeling and to be integrally attached to button panel face slid underneath through testing button assembling through hole for triggering the drive rod for switch testing switch on circuit board, being set with testing button return spring on drive rod for switch, recessed area medium radian processing at least two guides slide opening；The bottom in button panel face is machined with the anticreep location slide fastener matched with this guiding slide opening accordingly.
Be symmetrily processed with multiple tracks for connecting the fume inlet passage that smog and little light can only be allowed to pass through of external environment and photoelectricity darkroom with recessed area for axis of symmetry on the end face of above-mentioned alarm upper cover, this fume inlet passage in the longitudinal sectional view of alarm upper cover for S-shaped or the tortuous strip hole of arcuate structure that ambient direct projection enters can be prevented；The bottom surface of alarm upper cover downwardly extends the voice alarm module assembly cavity being machined with for sealing setting-in voice alarm module and for sealing the display module assembly cavity of setting-in display module；The end face correspondence voice alarm module assembly cavity of alarm upper cover has the broadcast mouth being made up of a plurality of strip mouth, and the end face correspondence display module assembly cavity of this alarm upper cover has display lamp observation window.
Above-mentioned display module includes a red LED display lamp and a green LED display lamp, display module assembly cavity include with voice alarm module assembly cavity for axis of symmetry arrange for installing the left display module assembly cavity of red LED display lamp and for installing the right display module assembly cavity of green LED display lamp, correspondingly display lamp observation window includes left display lamp observation window and the right indicating lamp observation window arranged with the mouth that broadcasts for axis of symmetry.
Above-mentioned alarm is under the normal operation that can not detect infrared electro signal without fire hazard aerosol fog generation infrared receiving diode, red LED display lamp under the instruction of signal processing module controls every 344 seconds glittering once, and the signal processing module signal of telecommunication controls wireless communication module and kept a wireless communication connection at interval of 60 seconds with extraneous GSM fire alarm system in normal operating conditions；nullWhen fire has certain density smog to make infrared receiving diode receive infrared electro signal under the smoke particle scattering process to infrared light in entering photoelectricity darkroom，The infrared electro signal received is fed back to signal processing module by this infrared receiving diode，Infrared receiving diode receives the degree of strength of infrared electro signal and is directly proportional to the smokescope entered in photoelectricity darkroom，The infrared electro signal that infrared receiving diode is fed back by signal processing module is through internal arithmetic、Comparison process is after photosignal intensity reaches to report to the police minimum setting value，While the signal of telecommunication controls wireless communication module outwardly GSM fire alarm system transmission radio alarming communication signal，The signal of telecommunication controls red LED display lamp continuous flash for prompting visible light and reports to the police，The voice alarm module of signal of telecommunication control simultaneously sends alarm of fire with the method for buzzing and two kinds of sound circulations of voice.
Above-mentioned power module is 3 volts of lithium-manganese cells with 10 year service life, and circuit board is provided with low-voltage detection circuit, and the inside of signal processing module is provided with low-voltage controlling alarm program and alarm alert program in service life；When low-voltage detection circuit detects the electricity of power module less than or equal to 2.2 volts, the signal processing module signal of telecommunication control red LED display lamp at interval of 43 seconds glittering once while, control voice alarm module and send once the warning of " dripping "；When, after energising work for 10 years, signal processing module (31) signal of telecommunication controls voice alarm module at interval of the audio alert prompting reporting three times " alarm expires service life, please change alarm " for 300 seconds continuously.
Above-mentioned signal processing module has the history warning memory function of 24 hours, in alarm once occurred 24 hours of warning, signal processing module controls green LED display lamp at interval of 60 seconds glittering three times, and signal processing module starts to control voice alarm module and sends the prompt tone of three times " fire alarm once occurred before note that the some time " per half an hour behind a hour reported to the police.
In the lower cavity of above-mentioned alarm base, processing is for snapping in the battery compartment of fixed power source module, and the bottom surface of alarm base has the on and off switch slot being connected with battery compartment, power module is fixedly mounted in this battery compartment, is provided with push-and-pull and controls the battery pin of power module power supply circuits break-make on and off switch slot；The tail end of this battery pin has the hanging handle of 90 degree of bendings, a side of on and off switch slot has the hanging handle with battery pin and hangs mutually to coordinate and prevent battery pin from resetting the bayonet socket cut off the electricity supply.
Above-mentioned alarm base blocks removedly is furnished with installing plate, installing plate is machined with the circular shallow cavity just making the bottom surface of alarm base be absorbed in, in circular shallow cavity, circumference is machined with two at a distance of 180 degree and screw can be made to pass facilitate the screw hole being fixed on body of wall by installing plate, and being all machined with by each screw hole and raise up and the grab of horizontal expansion, the bottom surface of alarm base is machined with the grab with installing plate and blocks the draw-in groove of location assembling mutually.
Above-mentioned infrarede emitting diode and infrared receiving diode circumference on circuit boards is at a distance of 145 degree of settings, and is provided with between infrarede emitting diode and infrared receiving diode on this circuit board and has the shield that the infrared light that appropriate length is avoided that infrarede emitting diode is launched does not has directly to be received by infrared receiving diode when smog in the dark storehouse of photoelectricity.
Compared with prior art, the free-standing photoelectric smoke detecting alarm of the present invention, directly utilize alarm base and cover the photoelectricity darkroom that composition is traditional with alarm upper cover mutually, and it is integrated with infrarede emitting diode and infrared receiving diode on circuit boards, be there is the smog produced in early days by fire, utilize the smog entered in photoelectricity darkroom that scattering of light effect realizes the Detection And Warning of fire.Owing to the present invention is provided with voice alarm module, display module and wireless communication module, therefore this alarm is made independently to use, the knockdown warning of acousto-optic is realized by voice alarm module and display module, and wireless communication module can also be passed through, the information that the fire detected occurs is passed to the GSM fire alarm system in the external world, then utilize GSM fire alarm system that by mobile phone, the information that fire occurs is sent to client, it is achieved radio networking alarming.Capacity of resisting disturbance of the present invention is strong, detect sensitive and be built-in with 10 years long-life 3 volts of lithium-manganese cells, have simple in construction, reasonable in design, detection accurately, the advantage of length in service life.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of the embodiment of the present invention；
Fig. 2 is the assembling decomposing schematic representation of the embodiment of the present invention；
Fig. 3 is the broken section structure chart of voice alarm module assembly cavity of the present invention；
Fig. 4 is the broken section structure chart of arcuate structure fume inlet passage of the present invention；
Fig. 5 is the high-level schematic functional block diagram of the embodiment of the present invention；
Fig. 6 is the electrical block diagram of the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in further detail.
Fig. 1 to Fig. 6 show the structural representation of the present invention.
nullReference therein is: infrared transceiver module A、Photoelectricity darkroom K、Lower cavity K1、Upper cavity K2、Alarm base 1、Draw-in groove 1b、Battery compartment 11、On and off switch slot 12、Board support post 13、Projection 14 is installed、Alarm upper cover 2、Fume inlet passage 2a、Recessed area 21、Testing button assembling through hole 22、Guide slide opening 23、Voice alarm module assembly cavity 24、Broadcast mouth 25、Left display module assembly cavity 26、Right display module assembly cavity 27、Left display lamp observation window 28、Right indicating lamp observation window 29、Circuit board 3、Signal processing module 31、Infrarede emitting diode 32、Infrared receiving diode 33、Wireless communication module 34、Test switch 35、Shield 36、Voice alarm module 4、Display module 5、Red LED display lamp 51、Green LED display lamp 52、Testing button 6、Button panel face 61、Drive rod for switch 62、Anticreep location slide fastener 63、Testing button return spring 64、Power module 7、Battery pin 8、Hanging handle 81、Installing plate 9、Circular shallow cavity 91、Screw hole 9a、Grab 9b.
As shown in Figures 1 to 6, the free-standing photoelectric smoke detecting alarm of the present invention, including alarm base 1 and alarm upper cover 2 and circuit board 3, wherein: alarm base 1 and alarm upper cover 2 phase lid are joined and be formed with the space that lower cavity K1 that the photoelectricity darkroom K, this photoelectricity darkroom K that smog and little light can only be allowed to enter be shaped with by alarm the base 1 substantially exactly and upper cavity K2 that alarm upper cover 2 is shaped with surrounds and constitute；Circuit board 3 is horizontally arranged in the K of photoelectricity darkroom in the lower cavity K1 of alarm base 1, descending to be machined with in cavity K1 three as can see from Figure 2 uses electroplax screw in compression to be fixed on board support post 13 for the center board support post 13 with screwed hole supporting locating circuit board 3, circuit board 3.And also it is machined with the installation projection 14 of through lower cavity K1 bottom surface from Fig. 2 it can further be seen that in lower cavity K1, this installation projection 14 is coated with the assembling bolt being strained and fixed by alarm upper cover 2.It is integrated with inside on the circuit board 3 of the present invention and contains the signal processing module 31 of photoelectric smoke controlling alarm program and for detecting the infrared transceiver module A of fire and outwardly GSM fire alarm system transmission radio alarming communication can realize wireless communication module 34 associated with wireless networking；The working frequency range of wireless communication module 34 is 850MHz, 900MHz, 1800MHz or 1900MHz, wireless distances at field is >=40m, while wireless communication module 34 makes the alarm of the present invention independent to use in fire alarm, can also be with extraneous GSM fire alarm system networking combination, when there being fire to occur, fire alarm signal is wirelessly sent to GSM fire alarm system by wireless communication module 34, and the information that fire occurs can be sent to client by mobile phone by the way of 2G network is with note by GSM fire alarm system.
The infrared transceiver module A of the present invention includes instructing at interval of within 10 seconds, launching the infrarede emitting diode 32 of an infrared light rectilinear light beam and being 130 degree to the 160 degree infrared receiving diodes 33 utilizing the smoke particle in smog that the scattering process of infrared light just can receive infrared electro signal when only entering to have smog in the K of photoelectricity darkroom arranged with infrarede emitting diode 32 circumference according to signal processing module 31；Being embedded with in alarm upper cover 2 is all connected with circuit board 3 circuit is controlled the voice alarm module 4 for going out audio alert signal and the display module 5 for real-time display alarm current state by signal processing module 31 signal, and is also equipped with the testing button 6 for testing alarm on this alarm upper cover 2；Alarm base 1 is installed promising alarm internal all electric units the power module 7 needed for electric power is provided.The voice alarm module 4 of the present invention and display module 5 can detect when fire occurs at alarm and self send sound and light alarm, making neighbouring client perceive fire by acousto-optic to occur, wireless communication module 34 then sends radio alarming communication signal to GSM fire alarm system while alarm sends sound and light alarm.
In embodiment, as shown in Figure 2, the end face center of alarm upper cover 2 is shaped with the recessed area 21 of circle, and the center of this recessed area 21 is shaped with testing button assembling through hole 22, in order to prevent testing button 6 from deviating from after installing, recessed area 21 also wait radian processing at least two guide slide opening 23；The present invention is preferably machined with three and guides slide opening 23.As can be seen from the figure, testing button 6 includes that can double as decorative panel suitable with recessed area 21 shape is to improve the button panel face 61 of alarm global design aesthetic feeling and to be integrally attached to button panel face 61 slid underneath through testing button assembling through hole 22 for triggering the drive rod for switch 62 of test switch 35 on circuit board 3, being set with testing button return spring 64 on drive rod for switch 62, the bottom in button panel face 61 is machined with three anticreep location slide fasteners 63 matched with this guiding slide opening 23 accordingly.The performance of alarm can be detected by testing button 6 by the test switch 35 that pressing triggers on circuit board 3, when initial, it is also used for actively sending test signal make GSM fire alarm system receive and remember this alarm simultaneously, thus sets up the communication contact between this alarm and GSM fire alarm system.Testing button is pressed more than 3 seconds when long, when i.e. test switch 35 is connected more than 3 seconds, signal processing module 31 then controls voice alarm module 4, display module 5 and wireless communication module 34 according to the test control program signal of telecommunication of inner setting and each sends self corresponding alarm signal with detection alarm the most also in normal work, will be detected alarm once by testing button 6 in alarm the most each week of the present invention.
In embodiment, be symmetrily processed with multiple tracks for connecting the fume inlet passage 2a that smog and little light can only be allowed to pass through of external environment and photoelectricity darkroom K with recessed area 21 for axis of symmetry on the end face of the alarm upper cover 2 of the present invention, this fume inlet passage 2a in the longitudinal sectional view of alarm upper cover 2 for S-shaped or the tortuous strip hole of arcuate structure that ambient direct projection enters can be prevented；The bottom surface of alarm upper cover 2 downwardly extends the voice alarm module assembly cavity 24 being machined with for sealing setting-in voice alarm module 4 and for sealing the display module assembly cavity of setting-in display module 5；The end face correspondence voice alarm module assembly cavity 24 of alarm upper cover 2 has the broadcast mouth 25 being made up of a plurality of strip mouth, and the end face correspondence display module assembly cavity of this alarm upper cover has display lamp observation window.Voice alarm module assembly cavity 24 all can prevent the light in the external world from entering the darkroom effect of destruction photoelectricity darkroom K in fit on voice alarm module 4 and display module assembly cavity after fit on display module.
The display module 5 of the present invention includes a red LED display lamp 51 and a green LED display lamp 52, display module assembly cavity include with voice alarm module assembly cavity 24 for axis of symmetry arrange for installing the left display module assembly cavity 26 of red LED display lamp 51 and for installing the right display module assembly cavity 27 of green LED display lamp 52, correspondingly display lamp observation window includes left display lamp observation window 28 and the right indicating lamp observation window 29 arranged with the mouth 25 that broadcasts for axis of symmetry.
The alarm of the present invention is under the normal operation that can not detect infrared electro signal without fire hazard aerosol fog generation infrared receiving diode 33, red LED display lamp 51 signal processing module 31 instruction control under every 344 seconds glittering once, and signal processing module 31 signal of telecommunication control wireless communication module 34 kept a wireless communication connection, so that GSM fire alarm system confirms that this alarm works under normal communication at interval of 60 seconds with extraneous GSM fire alarm system in normal operating conditions；nullWhen fire has certain density smog to enter in the K of photoelectricity darkroom，The infrared light that infrarede emitting diode 32 sends will scatter under the scattering process of infrared light by the smoke particle in smog，So that infrared receiving diode 33 receives scattered incoming infrared electro signal，Infrared receiving diode 33 receives the degree of strength of infrared electro signal and is directly proportional to the smokescope entered in the K of photoelectricity darkroom，In the K of photoelectricity darkroom, the concentration of smog is the highest，It is the strongest that infrared receiving diode 33 receives infrared electro signal，The infrared electro signal received is fed back to signal processing module 31 by infrared receiving diode 33，The infrared electro signal that infrared receiving diode 33 is fed back by signal processing module 31 is through internal arithmetic、Comparison process is after photosignal intensity reaches to report to the police minimum setting value，The signal of telecommunication controls wireless communication module 34 while GSM fire alarm system sends radio alarming communication signal，The signal of telecommunication controls the continuous flash for prompting visible light of red LED display lamp 51 and reports to the police，The voice alarm module 4 of signal of telecommunication control simultaneously sends alarm of fire with the method for buzzing and two kinds of sound circulations of voice.
The power module 7 of the present invention is 3 volts of lithium-manganese cells with 10 year service life, and circuit board 3 is provided with low-voltage detection circuit, and the inside of signal processing module 31 is provided with low-voltage controlling alarm program and alarm alert program in service life；When low-voltage detection circuit detects the electricity of power module 7 less than or equal to 2.2 volts, signal processing module 31 signal of telecommunication control red LED display lamp at interval of 43 seconds glittering once while, control voice alarm module 4 and send once the warning of " dripping "；When, after energising work for 10 years, signal processing module 31 signal of telecommunication controls voice alarm module 4 at interval of the audio alert prompting reporting three times " alarm expires service life, please change alarm " for 300 seconds continuously.
The signal processing module 31 of the present invention has the history warning memory function of 24 hours, in alarm once occurred 24 hours of warning, signal processing module 31 controls green LED display lamp 52 at interval of 60 seconds glittering three times, and signal processing module 31 starts to control voice alarm module 4 and sends the prompt tone of three times " please noting; fire alarm once occurred before the some time " per half an hour, to remind client to check surrounding behind a hour reported to the police.Such as when alarm once occurred 2 hours or 2 hours half reported to the police, voice alarm module 4 all sends the prompt tone of three times " fire alarm once occurred before note that 2 hours ".History warning memory function is automatically stopped after 24 hours, it is also possible to force to stop by short depression testing button 6.
As shown in Fig. 2 and Fig. 1, in the lower cavity K1 of alarm base 1, processing is for snapping in the battery compartment 11 of fixed power source module 7, and the bottom surface of alarm base 1 has the on and off switch slot 12 being connected with battery compartment 11, power module 7 is fixedly mounted in this battery compartment 11, is provided with push-and-pull and controls the battery pin 8 of power module 7 power supply circuits break-make on and off switch slot 12；The tail end of this battery pin 8 has the hanging handle 81 of 90 degree of bendings, a side of on and off switch slot 12 has the extension of hanging handle 81 phase with battery pin 8 and coordinates the bayonet socket preventing battery pin 8 reset from cutting off the electricity supply.The alarm of present invention battery pin 8 when dispatching from the factory is in closing shape, when alarm is installed, then needs battery pin 8 to pick out, makes power module 7 power, and after battery pin 8 pull-out, 90-degree rotation utilizes hanging handle 81 to tangle bayonet socket, thus prevents battery pin 8 return.
In embodiment, alarm base 1 blocks removedly is furnished with installing plate 9, installing plate 9 is machined with the circular shallow cavity 91 just making the bottom surface of alarm base 1 be absorbed in, in circular shallow cavity 91, circumference is machined with two at a distance of 180 degree and screw can be made to pass facilitate the screw hole 9a being fixed on body of wall by installing plate 9, and being all machined with by each screw hole 9a and raise up and the grab 9b of horizontal expansion, the bottom surface of alarm base 1 is machined with the grab 9b phase with installing plate 9 and blocks the draw-in groove 1b of location assembling.
Infrarede emitting diode 32 and infrared receiving diode 33 be circumference 145 degree of settings apart on circuit board 3, and on this circuit board 2 between infrarede emitting diode 32 and infrared receiving diode 33, it is provided with and there is the shield 36 that the infrared light that appropriate length is avoided that infrarede emitting diode 32 is launched does not has directly to be received by infrared receiving diode 33 when smog in the K of photoelectricity darkroom.
Fig. 6 is the electrical block diagram of the present invention, as it can be seen, signal processing module 31 has the I/O port of network service, wireless communication module 34 is connected with signal processing module 31 by I/O port.
The technical parameter of the present invention is as follows:
Alarm current≤120mA, quiescent current≤2uA, chimes of doom arbitrarily downgrade >=and 85dB/3m, operating temperature-10 DEG C ~+40 DEG C, ambient humidity≤95%RH(is without condensation).
Highly preferred embodiment of the present invention illustrates, those of ordinary skill in the art the various changes made or remodeling are all without departing from the scope of the present invention.
Claims (10)
1. stand alone type photoelectric smoke detecting alarm, including alarm base (1) and alarm upper cover (2) and circuit board (3), it is characterized in that: described alarm base (1) covers mutually with alarm upper cover (2) to join and is formed with the photoelectricity darkroom (K) that smog and little light can only be allowed to enter, lower cavity (K1) that described photoelectricity darkroom (K) is shaped with by alarm base (1) and the space that the upper cavity (K2) that alarm upper cover (2) is shaped with surrounds are constituted；Described circuit board (3) is horizontally arranged in the lower cavity (K1) of photoelectricity darkroom (K) interior alarm base (1), this circuit board (3) is integrated with inside and contains the signal processing module (31) of photoelectric smoke controlling alarm program and for detecting the infrared transceiver module of fire and outwardly GSM fire alarm system transmission radio alarming communication can realize wireless communication module associated with wireless networking (34)；Described infrared transceiver module includes according to signal processing module (31) instruction at interval of within 10 seconds, launching the infrarede emitting diode (32) of an infrared light rectilinear light beam and with infrarede emitting diode (32) circumference in 130 degree to the 160 degree of infrared receiving diodes (33) utilizing the smoke particle in smog that the scattering process of infrared light just can receive infrared electro signal when only entering to have smog in photoelectricity darkroom (K) arranged；Being embedded with in described alarm upper cover (2) is all connected with circuit board (3) circuit is controlled the voice alarm module (4) for going out audio alert signal and the display module (5) for real-time display alarm current state by signal processing module (31) signal, and is also equipped with the testing button (6) for testing alarm on this alarm upper cover (2)；Described alarm base (1) is installed promising alarm internal all electric units the power module (7) needed for electric power is provided.
Stand alone type photoelectric smoke detecting alarm the most according to claim 1, it is characterized in that: the end face center of described alarm upper cover (2) is shaped with the recessed area (21) of circle, and the center of this recessed area (21) is shaped with testing button assembling through hole (22)；Described testing button (6) includes that can double as decorative panel suitable with recessed area (21) shape is to improve the button panel face (61) of alarm global design aesthetic feeling and to be integrally attached to button panel face (61) slid underneath and assemble through hole (22) through testing button and be used for triggering and test the drive rod for switch (62) of switch (35) on circuit board (3), being set with testing button return spring (64) on described drive rod for switch (62), described recessed area (21) medium radian processing at least two guides slide opening (23)；The bottom in described button panel face (61) is machined with anticreep location slide fastener (63) matched with this guiding slide opening (23) accordingly.
Stand alone type photoelectric smoke detecting alarm the most according to claim 2, it is characterized in that: be that axis of symmetry is symmetrily processed with multiple tracks for connecting the fume inlet passage (2a) that smog and little light can only be allowed to pass through of external environment and photoelectricity darkroom (K) with recessed area (21) on the end face of described alarm upper cover (2), this fume inlet passage (2a) in the longitudinal sectional view of alarm upper cover (2) for S-shaped or the tortuous strip hole of arcuate structure that ambient direct projection enters can be prevented；The bottom surface of described alarm upper cover (2) downwardly extends the voice alarm module assembly cavity (24) being machined with for sealing setting-in voice alarm module (4) and is used for sealing the display module assembly cavity of setting-in display module (5)；End face correspondence voice alarm module assembly cavity (24) of described alarm upper cover (2) has the broadcast mouth (25) being made up of a plurality of strip mouth, and the end face correspondence display module assembly cavity of this alarm upper cover has display lamp observation window.
Stand alone type photoelectric smoke detecting alarm the most according to claim 3, it is characterized in that: described display module (5) includes a red LED display lamp (51) and a green LED display lamp (52), described display module assembly cavity include with voice alarm module assembly cavity (24) be axis of symmetry arrange for installing the left display module assembly cavity (26) of red LED display lamp (51) and being used for installing the right display module assembly cavity (27) of green LED display lamp (52), the correspondingly described display lamp observation window mouth (25) that includes broadcasting is the left display lamp observation window (28) that arranges of axis of symmetry and right indicating lamp observation window (29).
Stand alone type photoelectric smoke detecting alarm the most according to claim 4, it is characterized in that: described alarm is under the normal operation that can not detect infrared electro signal without fire hazard aerosol fog generation infrared receiving diode (33), described red LED display lamp (51) signal processing module (31) instruction control under every 344 seconds glittering once, and signal processing module (31) signal of telecommunication described in normal operating conditions controls wireless communication module (34) and kept a wireless communication connection at interval of 60 seconds with extraneous GSM fire alarm system；nullWhen fire has certain density smog to make infrared receiving diode (33) receive infrared electro signal under the smoke particle scattering process to infrared light in entering photoelectricity darkroom (K)，The infrared electro signal received is fed back to signal processing module (31) by this infrared receiving diode (33)，Described infrared receiving diode (33) receives the degree of strength of infrared electro signal and is directly proportional to the smokescope entered in photoelectricity darkroom (K)，The infrared electro signal that infrared receiving diode (33) is fed back by described signal processing module (31) is through internal arithmetic、Comparison process is after photosignal intensity reaches to report to the police minimum setting value，While the signal of telecommunication controls wireless communication module (34) outwardly GSM fire alarm system transmission radio alarming communication signal，The signal of telecommunication controls red LED display lamp (51) flash for prompting visible light continuously and reports to the police，Signal of telecommunication control voice alarm module (4) sends alarm of fire with the method for buzzing and two kinds of sound circulations of voice simultaneously.
Stand alone type photoelectric smoke detecting alarm the most according to claim 5, it is characterized in that: described power module (7) is 3 volts of lithium-manganese cells with 10 year service life, described circuit board (3) is provided with low-voltage detection circuit, and the inside of described signal processing module (31) is provided with low-voltage controlling alarm program and alarm alert program in service life；When described low-voltage detection circuit detects the electricity of power module (7) less than or equal to 2.2 volts, described signal processing module (31) signal of telecommunication control red LED display lamp at interval of 43 seconds glittering once while, control voice alarm module (4) and send once the warning of " dripping "；When, after energising work for 10 years, described signal processing module (31) signal of telecommunication controls voice alarm module (4) at interval of the audio alert prompting reporting three times " alarm expires service life, please change alarm " for 300 seconds continuously.
Stand alone type photoelectric smoke detecting alarm the most according to claim 6, it is characterized in that: described signal processing module (31) has the history warning memory function of 24 hours, in alarm once occurred 24 hours of warning, described signal processing module (31) controls green LED display lamp (52) at interval of 60 seconds glittering three times, and signal processing module (31) starts to control the per prompt tone sending three times " fire alarm once occurred before note that the some time " half an hour of voice alarm module (4) behind a hour reported to the police.
Stand alone type photoelectric smoke detecting alarm the most according to claim 7, it is characterized in that: in the lower cavity (K1) of described alarm base (1), processing is used for snapping in the battery compartment (11) of fixed power source module (7), and the bottom surface of alarm base (1) has the on and off switch slot (12) being connected with battery compartment (11), described power module (7) is fixedly mounted in this battery compartment (11), it is provided with push-and-pull in described on and off switch slot (12) and controls the battery pin (8) of power module (7) power supply circuits break-make；The tail end of this battery pin (8) has the hanging handle (81) of 90 degree of bendings, a side of described on and off switch slot (12) has the hanging handle (81) with battery pin (8) and hangs mutually to coordinate and prevent battery pin (8) from resetting the bayonet socket cut off the electricity supply.
Stand alone type photoelectric smoke detecting alarm the most according to claim 8, it is characterized in that: described alarm base (1) blocks removedly is furnished with installing plate (9), described installing plate (9) is machined with the circular shallow cavity (91) just making the bottom surface of alarm base (1) be absorbed in, in described circular shallow cavity (91), circumference is machined with two at a distance of 180 degree and screw can be made to pass facilitate the screw hole (9a) that is fixed on body of wall by installing plate (9), and other being all machined with of each screw hole (9a) raises up and the grab (9b) of horizontal expansion, the bottom surface of described alarm base (1) is machined with the grab (9b) with installing plate (9) and blocks the draw-in groove (1b) of location assembling mutually.
Stand alone type photoelectric smoke detecting alarm the most according to claim 9, it is characterized in that: described infrarede emitting diode (32) and infrared receiving diode (33) are in circuit board (3) upper circumference 145 degree of settings apart, and it is positioned on this circuit board (2) between infrarede emitting diode (32) and infrared receiving diode (33), it is provided with and there is the shield (36) that the infrared light that appropriate length is avoided that infrarede emitting diode (32) is launched does not has directly to be received by infrared receiving diode (33) when smog in photoelectricity darkroom (K).
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| CN106600880A (en) * | 2016-11-25 | 2017-04-26 | 江苏锡宜消防科技有限公司 | Wireless transmission independent type smoke-sensing and temperature-sensing compound fire detection and alarm system |
| CN106710125A (en) * | 2017-03-02 | 2017-05-24 | 官鸿运 | AC smoke detector device |
| CN106781203A (en) * | 2017-03-03 | 2017-05-31 | 翁碧莹 | A kind of indoor exchange smoke detector device |
| CN107093307A (en) * | 2017-06-14 | 2017-08-25 | 苏州珀斯方得电子有限公司 | Miniature smoke alarm |
| CN107195160A (en) * | 2017-06-21 | 2017-09-22 | 深圳市泰和安科技有限公司 | Smoke detector and its installation detection method |
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| 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 |
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| 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 |
| CN109801469A (en) * | 2019-03-25 | 2019-05-24 | 温州联安物联网科技有限公司 | A kind of smoke alarm and fire detection method |
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| TWI702573B (en) * | 2018-03-29 | 2020-08-21 | 日商松下知識產權經營股份有限公司 | Acoustic device, control method of acoustic device, and control program of acoustic device |
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| CN106600880A (en) * | 2016-11-25 | 2017-04-26 | 江苏锡宜消防科技有限公司 | Wireless transmission independent type smoke-sensing and temperature-sensing compound fire detection and alarm system |
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| 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 |
| 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 |
| 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 |
| 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 |
| CN106710125B (en) * | 2017-03-02 | 2017-12-01 | 南京波瑞自动化科技有限公司 | One kind exchange smoke detector device |
| CN106710125A (en) * | 2017-03-02 | 2017-05-24 | 官鸿运 | AC smoke detector device |
| CN106781203B (en) * | 2017-03-03 | 2017-11-24 | 连云港市赣榆区生产力促进中心 | A kind of indoor exchange smoke detector device |
| CN106781203A (en) * | 2017-03-03 | 2017-05-31 | 翁碧莹 | A kind of indoor exchange smoke detector device |
| CN110709902A (en) * | 2017-06-14 | 2020-01-17 | 报知希株式会社 | Alarm device |
| CN110709902B (en) * | 2017-06-14 | 2021-09-14 | 报知希株式会社 | Alarm device |
| CN107093307A (en) * | 2017-06-14 | 2017-08-25 | 苏州珀斯方得电子有限公司 | Miniature smoke alarm |
| CN107093307B (en) * | 2017-06-14 | 2020-10-09 | 苏州珀斯方得电子有限公司 | Miniature smoke alarm |
| CN107195160A (en) * | 2017-06-21 | 2017-09-22 | 深圳市泰和安科技有限公司 | Smoke detector and its installation detection method |
| CN107578598A (en) * | 2017-09-22 | 2018-01-12 | 深圳市中天明智慧消防科技有限公司 | Free-standing photoelectric smoke detecting alarm |
| TWI702573B (en) * | 2018-03-29 | 2020-08-21 | 日商松下知識產權經營股份有限公司 | Acoustic device, control method of acoustic device, and control program of acoustic device |
| CN109001088B (en) * | 2018-05-30 | 2019-07-02 | 绵阳涪泽恩达科技有限公司 | Vertical layout osmosis type kitchen special photoelectric smoke detector |
| 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 |
| CN109801469A (en) * | 2019-03-25 | 2019-05-24 | 温州联安物联网科技有限公司 | A kind of smoke alarm and fire detection method |
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Address after: No. 315 Nanyuan Economic Development Zone, Yufeng City, Zhejiang Province Patentee after: Ningbo Kaidun Electronic Industry Co.,Ltd. Country or region after: China Address before: No. 315 Nanyuan Economic Development Zone, Yufeng City, Zhejiang Province Patentee before: Ningbo Kingdun Electronic Industry Co.,Ltd. Country or region before: China |