CN109903534A - A kind of detection device and method of photoelectricity smoke detector - Google Patents
A kind of detection device and method of photoelectricity smoke detector Download PDFInfo
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- CN109903534A CN109903534A CN201910161698.8A CN201910161698A CN109903534A CN 109903534 A CN109903534 A CN 109903534A CN 201910161698 A CN201910161698 A CN 201910161698A CN 109903534 A CN109903534 A CN 109903534A
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Abstract
The present invention relates to the detection device and method of a kind of photoelectricity smoke detector, detection device includes: the detection infrared transmitting tube that the detection infrared receiving tube being oppositely arranged with work infrared transmitting tube and work infrared receiving tube are oppositely arranged；The transmitting tube switching circuit being connect respectively with work infrared transmitting tube, detection infrared transmitting tube；The reception pipe switching circuit being connect respectively with work infrared receiving tube, detection infrared receiving tube；The transmitting tube detection circuit being connect with detection infrared receiving tube；The reception pipe detection circuit being connect with work infrared receiving tube.The position setting detection infrared receiving tube opposite by the work infrared transmitting tube in photoelectricity smoke detector of the embodiment of the present invention, in the opposite position setting detection infrared transmitting tube of work infrared receiving tube, realize the detection respectively to work infrared transmitting tube and the infrared receiving tube that works, the detection efficiency to photoelectricity smoke detector is improved, the security of the lives and property of user is improved.
Description
Technical field
The present invention relates to fire alarm technical field more particularly to a kind of detection devices and method of photoelectricity smoke detector.
Background technique
Fire is indispensable in human lives, but fire also brings huge disaster to the mankind, in particular with
Electronic product in human lives using more and more extensive, thus caused by fire it is also more and more, four to live at us
Week lies dormant fire hazard everywhere, on the other hand in the case of fire and alarm, and to adopt an effective measure and control fire behavior
Development eliminates fire in budding state, it is ensured that personal safety reduces the loss of the wealth of society to greatest extent；Photoelectricity cigarette sense
Device is the detecting devices that fire-fighting domain generally uses.
As shown in Figure 1, independent photoelectric smoke sense is by sensing chamber, work infrared transmitting tube and transmit circuit, work infrared connect
Closed tube and reception circuit composition, the position of work infrared receiving tube setting is not in the light beam that work infrared transmitting tube is emitted.
When not having smog, work infrared transmitting tube issues parallel light beam, since the position of work infrared receiving tube is not in directional light
In range, so the infrared light received is minimum.When there is smog, directional light, which encounters smoke particle, can generate refraction diverging, smog
Denseer, the infrared energy that work infrared receiving tube receives is stronger.Work infrared receiving tube is converted into faint through signal detection circuit
Voltage, then amplify through two-stage, access the pin of processor.One and the proportional current value of smokescope are finally obtained, when
Smokescope is more than that threshold values just starts warning circuit, generates sound-light alarm, alerts personnel on the scene and do corresponding processing.
But conventional smoke sense need per year, the moon, season, even do manual inspection the moon, be manually sprayed onto cigarette sense head with opium pipe
On, whether confirmation smog alarm is normal, and whether alarm sound is up to standard.Workload is huge, difficult to regulate.When in photoelectricity smoke detector
When detection device is damaged, if occur fire, photoelectricity smoke detector can not be sounded an alarm timely at this time, user can not first when
Between know the generation of fire, the security of the lives and property is impacted.
Summary of the invention
Of the existing technology in order to solve the problems, such as, at least one embodiment of the present invention provides a kind of photoelectricity smoke detector
Detection device and method.
In a first aspect, the embodiment of the invention provides a kind of detection device of photoelectricity smoke detector, the photoelectricity smoke detector packet
It includes: work infrared transmitting tube and work infrared receiving tube；
The detection device include: the detection infrared receiving tube being oppositely arranged with the work infrared transmitting tube, with it is described
The detection infrared transmitting tube that work infrared receiving tube is oppositely arranged；
It is connect respectively with the work infrared transmitting tube, the detection infrared transmitting tube, controls the work infrared emission
The transmitting tube switching circuit of any one work in pipe, the detection infrared transmitting tube；
It is connect respectively with the work infrared receiving tube, the detection infrared receiving tube, it is infrared to control the work
The reception pipe switching circuit of any one work in reception pipe, the detection infrared receiving tube；
It is connect with the detection infrared receiving tube, detects the whether normal transmitting tube detection electricity of the work infrared transmitting tube
Road；
It is connect with the work infrared receiving tube, detects the whether normal reception pipe detection electricity of the work infrared receiving tube
Road.
Based on the above-mentioned technical proposal, the embodiment of the present invention can also make following improvement.
With reference to first aspect, in the first embodiment of first aspect, the photoelectricity smoke detector further include: audible alarm
Device；
The detection device further include: be arranged around the audible alarm unit, detect the audible alarm unit
The sound detection circuit of alarm sound decibel value.
The first embodiment with reference to first aspect, in second of embodiment of first aspect, the sound detection electricity
Road includes:
Sequentially connected microphone, amplifying circuit, series connection bleeder circuit, current output terminal, comparison circuit and warning circuit.
With reference to first aspect, in the third embodiment of first aspect, the transmitting tube switching circuit includes: power supply；
It is connect respectively with the power supply, the work infrared transmitting tube, the detection infrared transmitting tube, keeps the work red
Outer transmitting tube or the switching switch of the detection infrared transmitting tube conducting.
The third embodiment with reference to first aspect, in the 4th kind of embodiment of first aspect, the switching switch packet
It includes:
Sequentially connected power supply, the coil of relay, first switch；
It is connect with the first switch, controls the first control terminal of the first switch conducting；
It is connect respectively with the work infrared transmitting tube and the detection infrared transmitting tube, makes the work infrared transmitting tube
Or the contact sets of the relay of the detection infrared transmitting tube conducting.
With reference to first aspect, in the 5th kind of embodiment of first aspect, the reception pipe switching circuit includes: power supply；
It is connect respectively with the power supply, the work infrared receiving tube, the detection infrared receiving tube, keeps the work red
Outer reception pipe or the switching switch of the detection infrared receiving tube conducting.
The 5th kind of embodiment with reference to first aspect, in the 6th kind of embodiment of first aspect, the switching switch packet
It includes:
Sequentially connected power supply, the coil of relay, second switch；
It is connect with the second switch, controls the second control terminal of the second switch conducting；
It is connect respectively with the work infrared receiving tube and the detection infrared receiving tube, makes the work infrared receiving tube
Or the contact sets of the relay of the detection infrared receiving tube conducting.
With reference to first aspect first, second, third, fourth, the 5th, the 6th kind of embodiment, the 7th of first aspect the
In kind embodiment, the transmitting tube detection circuit and the reception pipe detection circuit are current detection circuit.
The current detection circuit includes:
The current input terminal being connect with the work infrared receiving tube or detection infrared receiving tube；
The amplifying circuit being connect with the current input terminal；
The comparison circuit being connect with the amplifying circuit；
The failure alarm circuit being connect with the comparison circuit.
The 7th kind of embodiment with reference to first aspect, in the 8th kind of embodiment of first aspect, the detection device is also
It include: remote control terminal；
The first control device being connect with the transmitting tube switching circuit；
The second control device being connect with the reception pipe switching circuit；
It is connect respectively with the first control device, second control device, transmitting tube detection circuit, reception pipe detection circuit
Communication device；
The communication device and remote control terminal wireless connection or wired connection.
Second aspect, the embodiment of the invention provides a kind of detection method of photoelectricity smoke detector, the photoelectricity smoke detector packet
It includes: work infrared transmitting tube and work infrared receiving tube；
The detection method includes:
Start work infrared transmitting tube, and closes the detection infrared transmitting tube that the work infrared receiving tube is oppositely arranged；
The work infrared emission is confirmed by the detection infrared receiving tube being oppositely arranged with the work infrared transmitting tube
Whether pipe emits infrared ray；
According to whether the work infrared transmitting tube emits the infrared transmitting tube that works described in infrared line justification normal；
The detection infrared transmitting tube that starting is oppositely arranged with the work infrared receiving tube, and close work infrared emission
Pipe；
Confirm whether the work infrared receiving tube receives the infrared ray of detection infrared transmitting tube transmitting；
According to whether the work infrared receiving tube receives the infrared receiving tube that works described in infrared line justification normal.
Above-mentioned technical proposal of the invention has the advantages that the embodiment of the present invention passes through in photoelectricity compared with prior art
The opposite position setting detection infrared receiving tube of the work infrared transmitting tube of smoke detector, in the opposite position of work infrared receiving tube
Setting detection infrared transmitting tube, realizes the detection respectively to work infrared transmitting tube and the infrared receiving tube that works, improves pair
The detection efficiency of photoelectricity smoke detector improves the security of the lives and property of user.
Detailed description of the invention
Fig. 1 is background technique schematic diagram provided in an embodiment of the present invention；
Fig. 2 be another embodiment of the present invention provides a kind of photoelectricity smoke detector structure of the detecting device schematic diagram；
Fig. 3 is a kind of structure of the detecting device schematic diagram one for photoelectricity smoke detector that further embodiment of this invention provides；
Fig. 4 be further embodiment of this invention provide a kind of photoelectricity smoke detector structure of the detecting device schematic diagram secondly；
Fig. 5 be further embodiment of this invention provide a kind of photoelectricity smoke detector structure of the detecting device schematic diagram thirdly；
Fig. 6 be further embodiment of this invention provide a kind of photoelectricity smoke detector structure of the detecting device schematic diagram its four.
In figure: 1: work infrared transmitting tube；2: work infrared receiving tube；3: detection infrared transmitting tube；4: detection is infrared to be connect
Closed tube；5: relay；6: first switch；7: the first control terminals.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
As shown in Fig. 2, a kind of detection device of photoelectricity smoke detector provided in an embodiment of the present invention, the photoelectricity smoke detector packet
It includes: work infrared transmitting tube 1 and work infrared receiving tube 2；Photoelectricity smoke detector is divided into Sun-shading type and two kinds of astigmatism type again, and labyrinth
It is the important component of astigmatism type photoelectricity smoke detector, it is usually to be made of labyrinth pedestal and labyrinth upper cover, in labyrinth pedestal
On a light-emitting tube is installed, an optical receiver apparatus has smog when fire occurs and enters labyrinth, since smog is to light
The scattering process of line makes infrared receiving tube receive a weaker signal, is amplified by amplifying circuit to the signal, triggering
Circuit carries out threshold value differentiation to amplified signal, issues alarm signal；But labyrinth structure in the prior art is complicated, sensitive
Spend that low, anti-interference ability is weak.Photoelectricity smoke detector is exactly the ability that can be scattered when encountering smoke particle using light beam, passes through light
The light beam whether reception device receives light-emitting tube transmitting confirms whether there is smoke particle in photoelectricity smoke detector, and according to connecing
The luminous intensity received estimates the concentration of smog, is achieved in smoke detection and alarm, so, light hair in photoelectricity smoke detector
Penetrating pipe and optical receiver apparatus will not be oppositely arranged.
In the present embodiment, the detection device includes: that the detection that is oppositely arranged with the work infrared transmitting tube 1 is infrared
Reception pipe 4, the detection infrared transmitting tube 3 being oppositely arranged with the work infrared receiving tube 2；It is opposite in work infrared transmitting tube 1
Position setting detection infrared receiving tube 4, work infrared receiving tube 2 it is opposite position setting detection infrared transmitting tube 3, for protect
Smog can be detected with proper engagement by demonstrate,proving work infrared transmitting tube 1 and work infrared receiving tube 2, detect infrared receiving tube 4 and work
Make infrared transmitting tube 1 at a distance of certain spacing, detects infrared transmitting tube 3 and work infrared receiving tube 2 certain spacing apart,
Away from specific value can by being configured according to demand, alternatively, will test infrared receiving tube 4 and detection infrared transmitting tube 3 set
It sets at the inner wall of sensing chamber, photoelectricity smoke detector is not in smog, when needing to check photoelectricity smoke detector, with work
Whether the detection infrared receiving tube 4 that infrared transmitting tube 1 is oppositely arranged can confirm work infrared transmitting tube 1 normal, and pass through
The detection infrared transmitting tube 3 being oppositely arranged with work infrared receiving tube 2 emits work infrared receiving tube 2 can be confirmed whether in light beam
Normally.
As shown in figure 3, in the present embodiment, the detection device include: respectively with the work infrared transmitting tube 1, institute
It states detection infrared transmitting tube 3 to connect, controls the work infrared transmitting tube 1, any one work in the detection infrared transmitting tube 3
The transmitting tube switching circuit of work；Pass through the work of transmitting tube switching circuit switch operating infrared transmitting tube 1 and detection infrared transmitting tube 3
Make state, i.e., when detection infrared transmitting tube 3 works, work infrared transmitting tube 1 is closed, conversely, work infrared transmitting tube 1 works
When, it will test the closing of infrared transmitting tube 3.
For example, in the present embodiment, transmitting tube switching circuit includes but is not limited to: power supply；Respectively with the power supply, described
Work infrared transmitting tube 1, the detection infrared transmitting tube 3 connection, makes the work infrared transmitting tube 1 or the infrared hair of detection
Penetrate the switching switch of the conducting of pipe 3；The switching switch can be single-pole double-throw switch (SPDT), and power supply can be conducting to the infrared hair of work
Pipe 1 or detection infrared transmitting tube 3 are penetrated, work infrared transmitting tube 1 or detection infrared transmitting tube 3 is made to work.
For example, the switching switch can also include: sequentially connected power supply, the coil of relay 5, first switch 6；This
The power supply at place can be the power supply in above-described embodiment, be also possible to another power supply, line when avoiding electric quantity of power supply deficiency to improve
Circle can not be powered；Further include: it is connect with the first switch 6, controls the first control terminal 7 that the first switch 6 is connected；Pass through
First control terminal 7 controls first switch 6 and is connected, after first switch 6 is connected, power supply by the coiler part of electricity input relay 5,
The first control terminal 7 herein can be single knife switch, be also possible to electronic switch；Further include: respectively with the infrared hair of the work
Pipe 1 and the detection infrared transmitting tube 3 connection are penetrated, the work infrared transmitting tube 1 or the detection infrared transmitting tube 3 is connected
The relay 5 contact sets, by coil conducting connecting terminal group in different contacts connection so that work it is infrared
Transmitting tube 1 or detection infrared transmitting tube 3 are connected, so, relay 5 in the present embodiment is conversion hysteria relay 5, contact sets
Comprising a movable contact and two stationary contacts, movable contact is connected to power supply, and one of stationary contact and work infrared transmitting tube 1 connect
It connects, another stationary contact is connect with detection infrared transmitting tube 3, and when the coil is not energized, movable contact and one of stationary contact connect
It is logical, work appearance transmitting tube or a conducting detecting in infrared transmitting tube 3 work, when the coil is energized, movable contact and
The connection of another stationary contact, the conducting of another transmitting tube work.
Specifically, in the present embodiment, first switch 6 can be triode, the first control terminal 7 and the base stage of triode connect
It connects, the collector and emitter of triode is separately connected the coil of power supply and relay 5, when the first control terminal 7 is exported to base stage
When the electric signal of one constant current, the control being powered to the coil of relay 5 is realized in collector and transmitter conducting.
In the present embodiment, the detection device includes: infrared with the work infrared receiving tube 2, the detection respectively
Reception pipe 4 connects, any one work connects in the control work infrared receiving tube 2, the detection infrared receiving tube 4
Closed tube switching circuit；Pass through the work shape of reception pipe switching circuit switch operating infrared receiving tube 2 and detection infrared receiving tube 4
State closes work infrared receiving tube 2 when that is, detection infrared receiving tube 4 works, conversely, when work infrared receiving tube 2 works,
It will test the closing of infrared receiving tube 4, in the present embodiment, in conjunction with the work of work infrared transmitting tube 1 and detection infrared transmitting tube 3
Mode, when being detected to work infrared transmitting tube 1 and work infrared receiving tube 2, if work infrared receiving tube 2 starts work
Make, corresponding control detection infrared transmitting tube 3 works, and work infrared transmitting tube 1 and detection infrared receiving tube 4 are turned off, if work
Make the work of infrared transmitting tube 1, corresponding control detection infrared receiving tube 4 works, work infrared receiving tube 2 and detection infrared emission
Pipe 3 is turned off, to realize the detection to work infrared transmitting tube 1 and the infrared receiving tube 2 that works.
For example, in the present embodiment, reception pipe switching circuit includes but is not limited to: power supply；Respectively with power supply, the work
Infrared receiving tube 2, the detection infrared receiving tube 4 connection, make the work infrared receiving tube 2 or the detection infrared receiving tube
The switching switch of 4 conductings；The switching switch can be single-pole double-throw switch (SPDT), and power supply can be conducting to work infrared receiving tube
2 or detection infrared receiving tube 4, make work infrared receiving tube 2 or detection infrared receiving tube 4 work.
It is similar with Fig. 5, for example, the switching switch can also include: sequentially connected power supply, the coil of relay 5, the
Two switches；Power supply herein can be the power supply in above-described embodiment, be also possible to the power supply individually set up, and avoid electricity to improve
Coil can not be powered when the not enough power supply of source；Further include: it is connect with the second switch, controls the second of the second switch conducting
Control terminal；Second switch conducting is controlled by the second control terminal, after second switch conducting, power supply is by electricity input relay 5
Coiler part, the second control terminal herein can be single knife switch, be also possible to electronic switch；Further include: respectively with the work
Make infrared receiving tube 2 and the detection infrared receiving tube 4 connection, connects the work infrared receiving tube 2 or the detection infrared
The contact sets for the relay 5 that closed tube 4 is connected, by the connection of the different contacts in coil power control contact sets, so that
Work infrared receiving tube 2 and the detection conducting of infrared receiving tube 4, so, relay 5 in the present embodiment is conversion hysteria relay
5, contact sets include that a movable contact and two stationary contacts, movable contact connect to power supply, and one of stationary contact and work are infrared
Transmitting tube 1 connect, another stationary contact with detect infrared transmitting tube 3 connect, when the coil is not energized, movable contact and one of them
Stationary contact connection, work infrared receiving tube 2 and the conducting detected in infrared receiving tube 4 work, when the coil is energized,
Movable contact is connected to another stationary contact, and the conducting of another reception pipe works.
Specifically, in the present embodiment, second switch can be triode, the base stage company of the second control terminal and triode
It connects, the collector and emitter of triode is separately connected the coil of power supply and relay 5, when the first control terminal 7 is exported to base stage
When the electric signal of one constant current, the control being powered to the coil of relay 5 is realized in collector and transmitter conducting.
In the present embodiment, the detection device includes: to connect with the detection infrared receiving tube 4, detects the work
The whether normal transmitting tube detection circuit of infrared transmitting tube 1；When detection infrared receiver tube receives infrared light beam, it can generate
Corresponding electric current, luminous intensity is bigger, and electric current is bigger, confirms whether detection infrared receiving tube 4 generates by transmitting tube detection circuit
Electric current can confirm whether work infrared transmitting tube 1 is normal.
In the present embodiment, the detection device includes: to connect with the work infrared receiving tube 2, detects the work
The whether normal reception pipe detection circuit of infrared receiving tube 2；When work infrared receiver tube receives infrared light beam, it can generate
Corresponding electric current, luminous intensity is bigger, and electric current is bigger, confirms whether work infrared receiving tube 2 generates by reception pipe detection circuit
Electric current can confirm whether work infrared transmitting tube 1 is normal.
In the present embodiment, the transmitting tube detection circuit and the reception pipe detection circuit are current detection circuit,
Since work infrared receiving tube 2 and the working principle for detecting infrared receiving tube 4 are converted optical signals to by photoelectric effect
Electric signal, so it is red to can be detected work by the electric signal that detection work infrared receiving tube 2 and detection infrared receiving tube 4 generate
Whether outer transmitting tube 1 and work infrared receiving tube 2 are normal.
In the present embodiment, the current detection circuit includes: and the work infrared receiving tube 2 or detection infrared receiver
The current input terminal that pipe 4 connects；When current detection circuit detects work infrared transmitting tube 1, current input terminal is just needed and is examined
It surveys infrared receiving tube 4 to connect, when current detection circuit detects work infrared receiving tube 2, current input terminal is just needed and worked
Infrared receiving tube 2 connects.
In the present embodiment, the current detection circuit includes: the amplifying circuit connecting with the current input terminal；Pass through
Amplifying circuit amplifies corresponding electric signal, to improve detection accuracy.
In the present embodiment, the current detection circuit includes: the comparison circuit connecting with the amplifying circuit, and described
The failure alarm circuit of comparison circuit connection；Electric signal is compared with pre-set current value by comparing circuit, and output pair
The height level electrical signal of comparison result is answered, the height level electrical signal that failure alarm circuit is exported according to comparison circuit is alarmed,
For example, being sounded an alarm when receiving high level signal, when receiving low level signal, do not sound an alarm.
The embodiment of the invention also provides a kind of detection device of photoelectricity smoke detector, compared with the detection device shown in Fig. 1, area
Be not, the photoelectricity smoke detector includes: audible alarm unit, in photoelectricity smoke detector, audible alarm unit generally with control
Circuit board connection, and control circuit board is connect with work infrared receiving tube 2, in normal work, when in work infrared receiving tube 2
Generate electric current when, control circuit board according to the size of current of generation confirm photoelectricity smoke detector in sensing chamber whether smog, and
When having smog, control audible alarm unit occurs sound and alarms, and specific connection and control logic can be continued to use existing
Technological means, details are not described herein for the present embodiment.
In the present embodiment, the detection device further include: be arranged around the audible alarm unit, detect the sound
The sound detection circuit of the alarm sound decibel value of sound warning device detects audible alarm value device by sound detection circuit
Alarm sound decibel value, whether confirmation audible alarm unit is normal, to guarantee that audible alarm unit can normally make a sound police
Report.
In the present embodiment, for example, the sound detection circuit includes: sequentially connected microphone, amplifying circuit, series connection point
Volt circuit, current output terminal, comparison circuit and warning circuit, microphone are the energy conversions that voice signal is converted to electric signal
Device is a device exactly the opposite with loudspeaker, voice signal is converted to electric signal by microphone, and amplify, and is led to
Comparison circuit is crossed to be compared with pre-set current value, when electric signal is less than pre-set current value, comparison circuit exports high level,
When electric signal is greater than or equal to pre-set current value, comparison circuit exports low level, is reported when warning circuit receives high level
It is alert, it does not work when receiving low level, realizes the detection to audible alarm unit, comparison circuit can also use in the present embodiment
Electric signal exports high level when being less than pre-set current value, and low level is exported when more than or equal to pre-set current value, and warning circuit is received
It is the mode alarmed to low level, specific connection and control logic can continue to use prior art means, the present embodiment
Details are not described herein, wherein comparison circuit can be comparator.
The embodiment of the invention also provides a kind of detection device of photoelectricity smoke detector, compared with the detection device shown in Fig. 1, area
It is not, the detection device further include: remote control terminal, in the present embodiment, remote control terminal can be server or shifting
Dynamic terminal, mobile terminal includes but is not limited to: mobile phone, laptop or tablet computer.
In the present embodiment, the detection device further include: the first control dress being connect with the transmitting tube switching circuit
It sets；First control device can be the electronic switch connected to power supply, by the opening and closing of electronic switch, realize transmitting tube switching electricity
Road is powered and power-off, and then realizes through transmitting tube switching circuit switch operating infrared receiving tube 2 and detect infrared receiving tube 4
Working condition.
Embodiment as shown in connection with fig. 1, in the present embodiment, first control device can lead power supply and the first control terminal 7
It is logical, the electric signal of a constant current is inputted to the first control terminal 7, realizes the control to first switch 6.
In the present embodiment, the detection device further include: the second control dress being connect with the reception pipe switching circuit
It sets；Second control device can be the electronic switch connected to power supply, by the opening and closing of electronic switch, realize transmitting tube switching electricity
Road is powered and power-off, and then realizes through transmitting tube switching circuit switch operating infrared receiving tube 2 and detect infrared receiving tube 4
Working condition.
Embodiment as shown in connection with fig. 1, in the present embodiment, second control device can lead power supply and the second control terminal
It is logical, the electric signal of a constant current is inputted to the second control terminal, realizes the control to second switch.
The detection device further include: electric with the first control device, second control device, transmitting tube detection respectively
The communication device that road, reception pipe detection circuit connect；First control device, the second control dress are separately connected by communication device
It sets, transmitting tube detection circuit, reception pipe detection circuit, wherein to realize the control to first control device and second control device
System, communication device are connected with control circuit board, and control circuit board is connect with first control device and second control device respectively, tool
The connection and control logic of body can continue to use prior art means, and details are not described herein for the present embodiment.
The communication device and the remote control terminal are wirelessly connected or wired connection, and remote control terminal is come round T unit hair
Control instruction is sent, control instruction is separately sent to first control device and second control device by communication device, passes through the first control
Device and second control device processed control the work of transmitting tube switching circuit and reception pipe switching circuit respectively, then communication device
Remote control terminal is sent by electrical signal intensity detected by transmitting tube detection circuit and reception pipe detection circuit, it is long-range to control
End carries out alarm according to specific data, and the long-range inspection by remote control terminal to each photoelectricity smoke detector improves inspection
Efficiency.
The embodiment of the present invention is realized from inspection is changed, by work infrared transmitting tube, work infrared receiving tube failure, alarm sound
Photoelectricity smoke detector not up to standard passes remote terminal back by NB-IOT network, and generates work order and be assigned to maintenance staff, whole
Automation, it is unattended.A large amount of manpower is saved, accuracy rate is high, and supervision is big.
The embodiment of the invention provides a kind of detection method of photoelectricity smoke detector, the photoelectricity smoke detector includes: that work is red
Outer transmitting tube 1 and work infrared receiving tube 2；Photoelectricity smoke detector is divided into Sun-shading type and two kinds of astigmatism type again, and labyrinth is astigmatism type
The important component of photoelectricity smoke detector, it is usually to be made of labyrinth pedestal and labyrinth upper cover, is equipped on the pedestal of labyrinth
One light-emitting tube, an optical receiver apparatus have smog when fire occurs and enter labyrinth, the scattering due to smog to light
Effect, makes infrared receiving tube receive a weaker signal, is amplified by amplifying circuit to the signal, and trigger circuit is to putting
Signal after big carries out threshold value differentiation, issues alarm signal；But labyrinth structure in the prior art is complicated, sensitivity is low, anti-
Interference performance is weak.Photoelectricity smoke detector is exactly the ability that can be scattered when encountering smoke particle using light beam, is filled by light-receiving
It sets and whether receives the light beam of light-emitting tube transmitting and confirm whether there is smoke particle in photoelectricity smoke detector, and according to receiving
Luminous intensity estimates the concentration of smog, is achieved in smoke detection and alarm, so, light-emitting tube in photoelectricity smoke detector and
Optical receiver apparatus will not be oppositely arranged.
The detection method includes:
S1, starting work infrared transmitting tube 1, and close the infrared hair of detection that the work infrared receiving tube 2 is oppositely arranged
Penetrate pipe 3.
S2, confirm that the work is infrared by the detection infrared receiving tube 4 being oppositely arranged with the work infrared transmitting tube 1
Whether transmitting tube 1 emits infrared ray.
S3, whether emit infrared transmitting tube 1 is worked described in infrared line justification whether just according to the work infrared transmitting tube 1
Often.
In the present embodiment, by starting work infrared transmitting tube 1, detection infrared transmitting tube 3 is closed, and red according to detecting
Outer reception pipe 4 detects whether normally whether work infrared transmitting tube 1 emit infrared line justification work infrared transmitting tube 1, realizes
Whether work infrared transmitting tube 1 is normally checked.
The detection infrared transmitting tube 3 that S4, starting are oppositely arranged with the work infrared receiving tube 2, and it is infrared to close work
Transmitting tube 1.
Whether S5, the confirmation work infrared receiving tube 2 receive the infrared ray that detection infrared transmitting tube 3 emits.
S6, whether received according to the work infrared receiving tube 2 work described in infrared line justification infrared receiving tube 2 whether
Normally.
In the present embodiment, infrared transmitting tube 3 is detected by starting, closes work infrared transmitting tube 1, and red according to working
Whether outer reception pipe 2 receives whether normally the infrared line justification that detection infrared transmitting tube 3 emits works infrared receiving tube 2, real
Show to whether work infrared receiving tube 2 normally checks.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of detection device of photoelectricity smoke detector, which is characterized in that the photoelectricity smoke detector include: work infrared transmitting tube and
Work infrared receiving tube；
The detection device includes: the detection infrared receiving tube being oppositely arranged with the work infrared transmitting tube and the work
The detection infrared transmitting tube that infrared receiving tube is oppositely arranged；
It is connect respectively with the work infrared transmitting tube, the detection infrared transmitting tube, controls the work infrared transmitting tube, institute
State the transmitting tube switching circuit of any one work in detection infrared transmitting tube；
It is connect respectively with the work infrared receiving tube, the detection infrared receiving tube, controls the work infrared receiver
The reception pipe switching circuit of any one work in pipe, the detection infrared receiving tube；
It is connect with the detection infrared receiving tube, detects the whether normal transmitting tube detection circuit of the work infrared transmitting tube；
It is connect with the work infrared receiving tube, detects the whether normal reception pipe detection circuit of the work infrared receiving tube.
2. the detection device of photoelectricity smoke detector according to claim 1, it is characterised in that: the photoelectricity smoke detector also wraps
It includes: audible alarm unit；
The detection device further include: be arranged around the audible alarm unit, detect the alarm of the audible alarm unit
The sound detection circuit of sound decibel value.
3. the detection device of photoelectricity smoke detector according to claim 2, which is characterized in that the sound detection circuit packet
It includes:
Sequentially connected microphone, amplifying circuit, series connection bleeder circuit, current output terminal, comparison circuit and warning circuit.
4. the detection device of photoelectricity smoke detector according to claim 1, which is characterized in that the transmitting tube switching circuit packet
It includes: power supply；
It is connect respectively with the power supply, the work infrared transmitting tube, the detection infrared transmitting tube, makes the infrared hair of the work
Penetrate the switching switch of pipe or the detection infrared transmitting tube conducting.
5. the detection device of photoelectricity smoke detector according to claim 4, which is characterized in that the switching, which switchs, includes:
Sequentially connected power supply, the coil of relay, first switch；
It is connect with the first switch, controls the first control terminal of the first switch conducting；
It is connect respectively with the work infrared transmitting tube and the detection infrared transmitting tube, makes the work infrared transmitting tube or institute
State the contact sets of the relay of detection infrared transmitting tube conducting.
6. the detection device of photoelectricity smoke detector according to claim 1, which is characterized in that the reception pipe switching circuit packet
It includes: power supply；
It is connect respectively with the power supply, the work infrared receiving tube, the detection infrared receiving tube, makes the work is infrared to connect
Closed tube or the switching switch of the detection infrared receiving tube conducting.
7. the detection device of photoelectricity smoke detector according to claim 6, which is characterized in that the switching, which switchs, includes:
Sequentially connected power supply, the coil of relay, second switch；
It is connect with the second switch, controls the second control terminal of the second switch conducting；
It is connect respectively with the work infrared receiving tube and the detection infrared receiving tube, makes the work infrared receiving tube or institute
State the contact sets of the relay of detection infrared receiving tube conducting.
8. the detection device of any photoelectricity smoke detector according to claim 1~7, which is characterized in that the transmitting tube
Detection circuit and the reception pipe detection circuit are current detection circuit；
The current detection circuit includes:
The current input terminal being connect with the work infrared receiving tube or detection infrared receiving tube；
The amplifying circuit being connect with the current input terminal；
The comparison circuit being connect with the amplifying circuit；
The failure alarm circuit being connect with the comparison circuit.
9. the detection device of photoelectricity smoke detector according to claim 8, which is characterized in that the detection device further include:
Remote control terminal；
The first control device being connect with the transmitting tube switching circuit；
The second control device being connect with the reception pipe switching circuit；
What is connect respectively with the first control device, second control device, transmitting tube detection circuit, reception pipe detection circuit is logical
T unit；
The communication device and remote control terminal wireless connection or wired connection.
10. a kind of detection method of photoelectricity smoke detector, which is characterized in that the photoelectricity smoke detector includes: work infrared transmitting tube
With work infrared receiving tube；
The detection method includes:
Start work infrared transmitting tube, and closes the detection infrared transmitting tube that the work infrared receiving tube is oppositely arranged；
Confirm that the work infrared transmitting tube is by the detection infrared receiving tube being oppositely arranged with the work infrared transmitting tube
No transmitting infrared ray；
According to whether the work infrared transmitting tube emits the infrared transmitting tube that works described in infrared line justification normal；
The detection infrared transmitting tube that starting is oppositely arranged with the work infrared receiving tube, and close work infrared transmitting tube；
Confirm whether the work infrared receiving tube receives the infrared ray of the detection infrared transmitting tube transmitting；
According to whether the work infrared receiving tube receives the infrared receiving tube that works described in infrared line justification normal.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111127818A (en) * | 2019-12-06 | 2020-05-08 | 浙江大邦科技有限公司 | NB-IoT smoke sensing control system |
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