CN108106978A - Smog darkroom and the smoke detector using the smog darkroom - Google Patents
Smog darkroom and the smoke detector using the smog darkroom Download PDFInfo
- Publication number
- CN108106978A CN108106978A CN201611061837.2A CN201611061837A CN108106978A CN 108106978 A CN108106978 A CN 108106978A CN 201611061837 A CN201611061837 A CN 201611061837A CN 108106978 A CN108106978 A CN 108106978A
- Authority
- CN
- China
- Prior art keywords
- smog
- smoke
- darkroom
- light
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000779 smoke Substances 0.000 title claims abstract description 39
- 230000003287 optical effect Effects 0.000 claims abstract description 88
- 238000009434 installation Methods 0.000 claims description 14
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 12
- 238000012360 testing method Methods 0.000 claims description 9
- 230000035945 sensitivity Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 10
- 235000019504 cigarettes Nutrition 0.000 description 3
- 239000003595 mist Substances 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 2
- UTMWFJSRHLYRPY-UHFFFAOYSA-N 3,3',5,5'-tetrachlorobiphenyl Chemical compound ClC1=CC(Cl)=CC(C=2C=C(Cl)C=C(Cl)C=2)=C1 UTMWFJSRHLYRPY-UHFFFAOYSA-N 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000003071 polychlorinated biphenyls Chemical class 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
-
- 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
-
- G01N15/075—
Abstract
A kind of smog darkroom and the smoke detector using the smog darkroom, smog darkroom includes smog detecting room and smog detecting room upper cover, smog detecting chamber interior detects smoke-box equipped with a receiving smog, the one side for detecing smoke-box is equipped with and the matched opening of smog detecting room upper cover, the opposite side for detecing smoke-box is equipped with the optical transmitting set mounting portion being oppositely arranged and optical receiver mounting portion, and smog detecting chamber outer wall forms the first ladder reflection wall shunk to open side；The chamber of one end open is formed on smog detecting room on lid, annular is fixed in chamber and is in the light wall；The wall that is in the light is oppositely arranged with opening and forms smoke path with open space.The extraneous light of smog detecting room can be significantly reflected by the first ladder reflection wall, reduces influence of the extraneous light to smog detecting sensitivity.
Description
Technical field
The present invention relates to a kind of fire arrangement for detecting, and in particular to a kind of smog darkroom and the smog using the smog darkroom
Detector.
Background technology
Smoke detector as it is a kind of detect, warning fire safety device, for ensure family, office and other
The crowd of public place is of great significance safely.
The smoke detector of photo-electric is to reach smog detecting purpose with scattering process to the masking of light using smog,
Main feature includes an infrared emitting source, an infrared receiver and smog darkroom.Infrared emitting source is every one
The section time emits a signal, and when no smog enters smog darkroom, infrared receiver does not receive infra-red signal.When
When having the smog to enter smog darkroom, infra-red signal can be reflected and scattered to different position and direction by smog, once it is infrared
When line receiver receives infra-red signal, smog will be treated as and generated and send out alarm of fire at once.
In use, extraneous light and signal are easily accessible smog darkroom, cause spurious alarm, reduce smoke detector
Sensitivity.
The content of the invention
In view of this, it is necessary to a kind of smog darkroom be provided, reduce influence of the extraneous light to smog detecting sensitivity.
A kind of smog darkroom, for smoke detector, including smog detecting room and smog detecting room upper cover, the smog is detectd
It surveys chamber interior and is equipped with a smoke-box of detecing for accommodating smog, the one side for detecing smoke-box is equipped with matched with smog detecting room upper cover
Opening, the opposite side for detecing smoke-box are equipped with the optical transmitting set mounting portion being oppositely arranged and optical receiver mounting portion, the smog
Detecting chamber outer wall forms the first ladder reflection wall shunk to the open side；One end is formed on the smog detecting room on lid to open
The chamber put is fixed with annular in the chamber and is in the light wall；It is described be in the light wall with it is described opening be oppositely arranged and with the opening
Interval forms smoke path.
Preferably, the end face of the wall free end of being in the light is concordant with the end face of the opening, and the wall that is in the light is in institute
It states the projection detectd on smoke-box and falls within described detect within smoke-box.
Preferably, it is equipped with what is be oppositely arranged with the first ladder reflection wall in the chamber of smog detecting room upper cover
Second ladder reflection wall.
Preferably, smog detecting room upper cover includes a cover board and the wing of the edge tilt extension along the cover board
Plate, the wing plate are arranged in parallel with the first ladder reflection wall, and the overhanging end of the wing plate is concordant with the end face of the opening.
Preferably, it is equipped with what is be oppositely arranged with the optical transmitting set mounting portion in the chamber of smog detecting room upper cover
Sawtooth reflective structure；When the smog detecting room is introduced into smog, by the optical transmitting set mounting portion outgoing light by
The sawtooth reflective structure is reflected along original route.
Preferably, the smog darkroom further include one for install a circuit board pedestal and one be used for connect the bottom
Seat and the part fixed seat of the smog detecting room, the part fixed seat are equipped with the first optical transmitting set being oppositely arranged and bear against
Face and the first optical receiver bear against face, and second optical transmitting set for being correspondingly provided with and being oppositely arranged in smoke-box of detecing bears against face and second
Optical receiver bears against face, and first optical transmitting set bears against face and second optical transmitting set bears against face and sent out against the light is formed
Emitter mounting portion, first optical receiver bears against face and the second optical receiver bears against face and installed against the optical receiver is formed
Portion.
A kind of smoke detector, including a pedestal, the shell being fixed on the pedestal, the cigarette being fixed in the shell
Mist darkroom, optical transmitting set, optical receiver and circuit board corresponding with the optical transmitting set and optical receiver, the smog darkroom are
Any smog darkroom in aforementioned definition.
Preferably, the shell includes a top plate and the stair-stepping annular sidewall being connected on the top plate, it is described
The smoke inlet connected with the smoke path on the smog darkroom is offered on side wall.
Preferably, the smoke detector further includes test cell, alarm unit and a behaviour in the shell
Make unit.
Preferably, test cell include a flexible PCB and the testing element that is installed on the flexible PCB and
Button, the alarm unit include multiple warning lamps；The shell be equipped with equipped with key hole corresponding with the button and with
The corresponding light-conductive hole of the warning lamp.
It, can be significantly by the first ladder reflection wall in the smoke detector in above-mentioned smog darkroom and use the smog darkroom
The extraneous light of smog detecting room is reflected, while the wall that is in the light also has the function of to stop that extraneous light enters smog detecting room, from
And reduce influence of the extraneous light to smog detecting sensitivity.
Description of the drawings
Fig. 1 is structure diagram of the smoke detector in a preferred embodiment.
Fig. 2 is the sectional view along A-A of the smoke detector of Fig. 1.
Fig. 3 is the decomposition view of smoke detector in Fig. 1.
Fig. 4 is the structure diagram of the pedestal in Fig. 3.
Fig. 5 is the part fixed seat structure schematic diagram in Fig. 3.
Fig. 6 is the smog detecting cell structure schematic diagram in Fig. 3.
Fig. 7 is the structure diagram at another visual angle of the smog detecting room in Fig. 6.
Fig. 8 is the structure diagram of the smog detecting room upper cover in Fig. 3.
Fig. 9 is the structure diagram at another visual angle of the smog detecting room upper cover in Fig. 8.
Figure 10 is the structure diagram of the shell in Fig. 3.
Figure 11 is the operation principle schematic diagram of the smoke detector in Fig. 2.
Main element symbol description
1 smoke detector
11 smog darkrooms
10 pedestals
20 bottom covers
30 circuit boards
40 part fixed seats
50 smog detecting rooms
60 smog detecting room upper covers
70 light bar
80 flexible PCBs
90 shells
100 buttons
110 cable holes
120 shell fixed card buckles
130 mounting holes
301 circuit board fixed screws
302 infrared transmitters
303 infrared light receivers
401 first planes
402 second planes
403 inclined-planes
410 first transmitters bear against face
420 first receivers bear against face
430 positioning columns
440 first fix hook
510 flanges
520 boss
530 bayonets
540 signal perforation holes
541 second transmitters bear against face
550 signal reception holes
551 second receivers bear against face
560 detect smoke-box
570 first ladder reflection walls
580 upper cover support plates
590 hoods
591 mounting portions
592 screw holes
610 second ladder reflection walls
620 sawtooth reflective structures
630 second fix hook
640 are in the light wall
650 flexible PCB supporting surfaces
660 flexible PCB positioning regions
710 warning lamps
901 first installation rooms
902 second installation rooms
910 key holes
920 guide-lighting post holes
930 bottom cover fixing threaded holes
940 circuit board fixing threaded holes
950 smoke inlets
960 fix trip
Following specific embodiment will be further illustrated the present invention with reference to above-mentioned attached drawing.
Specific embodiment
It is the structure diagram of smoke detector 1 in a preferred embodiment please refer to shown in Fig. 1 to Fig. 3.
Smoke detector 1 includes the shell 90 that is securable on the pedestal 10 of a pedestal 10, one and is installed in shell 90
The smog darkroom 11 in portion, circuit board 30, the optical transmitting set 302 being connected on circuit board 30, optical receiver 303.It is set on shell 90
There is smoke inlet 950, so that smog can enter smog darkroom 11.Optical transmitting set 302 and optical receiver 303 are connected to circuit board
On 30, the optical axis of optical transmitting set 302 and the angle of the optical axis of optical receiver 303 are predeterminable into an obtuse angle.It should be noted that light
The optical axis of transmitter 302 and the angle of the optical axis of optical receiver 303 may be set to be acute angle, it is only necessary to meet optical transmitting set
302 optical axis is not conllinear with the optical axis of optical receiver 303, and the light that optical transmitting set 302 emits will not be directly entered optical receiver
303.
Smog darkroom 11 includes smog detecting room 50, a bottom cover 20 and a smog detecting room upper cover 60, bottom cover 20 and smog
Detecting room upper cover 60 closes off the both ends of the smog detecting room 50.Circuit board 30 passes through a part fixed seat 40 and a circuit board
Fixed screw 301 is mounted on smog detecting room 50.
Also referring to Fig. 4, pedestal 10 be equipped with 30 matched cable hole 110 of circuit board and mounting hole 130 and with it is outer
90 matched shell fixed card buckle 120 of shell.The external lead wire of circuit board 30 can be drawn by cable hole 110 outside smoke detector 1.
Please refer to fig. 5, part fixed seat 40 is included with first surface 401, the second table opposite and be arranged in parallel
It face 402, two parallel sides (not marked in figure) being vertically connected between first surface 401 and second surface 402 and is connected to
Two between first surface 401, second surface 402 inclined-planes 403 being oppositely arranged.It is respectively formed on two inclined-planes 403 and is sent out with light
302 corresponding first optical transmitting set of emitter bears against face 410, bears against face 420 with 303 corresponding first optical receiver of optical receiver.
Correspondingly, the angle one that the angle between two inclined-planes 403 is formed with the optical axis of optical transmitting set 302 with the optical axis of optical receiver 303
It causes.First surface 401 is docked with smog detecting room 50, and second surface 402 is docked with circuit board 30.Two sides are equipped with to second
First fixation hook 440 of the one side extension where surface 402, for nailed circuit plate 30.Where second surface 402
One side is equipped at least two positioning columns 430, and positioning column 430 matches to determine circuit board 30 with default location hole on circuit board 30
Installation site, so as to ensure the installation site of optical transmitting set 302 and optical receiver 303.
Also referring to Fig. 6 and Fig. 7, smog detecting room 50 be internally provided with a receiving smog detect smoke-box 560, detect smoke-box
560 one side be equipped with smog detecting room upper cover 60 it is matched opening (not marked in figure), the opposite side for detecing smoke-box 560 is connected with
One hood 590.The second optical transmitting set is relatively set in hood 590 and bears against 541 and second optical receiver of face breasting face
551, the second optical transmitting set bears against 541 and first optical transmitting set of face breasting face 410 and cooperatively forms optical transmitting set mounting portion, the second light
Receiver bears against 551 and first optical receiver of face breasting face 420 and cooperatively forms optical receiver mounting portion.For example, it is being embodied
In, the second optical transmitting set bears against 541 and first optical transmitting set of face and bears against face 410, the second optical receiver breasting 551 and first light of face
Receiver bears against face 420 and may be configured as the semi-circular hole being mutually matched, and a circular through hole is formed after coordinating two-by-two, and the circle is logical
Hole can be as optical transmitting set 302, the mounting portion of optical receiver 303, and has to optical transmitting set 302, optical receiver 303 and be oriented to
Effect.In specific implementation, detect smoke-box 560 and hood 590 is divided into two independent chambers, detect smoke-box 560 and hood
590 joint be equipped with 302 matched signal perforation hole 540 of optical transmitting set and with 303 matched signal reception of optical receiver
Hole 550, so that the light of the transmitting of optical transmitting set 302 is emitted to by signal perforation hole 540 detects smoke-box 560, meanwhile, detect smoke-box
The light of smog scattering in 560 can enter optical receiver 303 by signal reception hole 550.
The outer wall of smog detecting room 50 forms the first ladder reflection wall 570 shunk to open side.Due to being opened on shell 90
If smoke inlet by smog introducing detect smoke-box 560 while, also provide entrance for extraneous light, therefore, detectd in smog
Surveying on the outer wall of room 50 sets the first ladder reflection wall 570 that can significantly reflect extraneous light, so as to reducing into detecing smoke-box 560
The extraneous light received by optical receiver 303 can improve sensitivity and the accuracy of smoke detector 1.
The outside of smog detecting room 50 forms the flange 510 of a circular ring shape, offers several bayonets on flange 510, is used for
It is clamped smog detecting room upper cover 60.Smog detecting room 50 can also be installed on by flange 510 on shell 90.First ladder is reflective
Multiple upper cover support plates 580 are distributed on wall 570, smog detecting room upper cover 60 is connected on smog detecting room 50 and passes through upper cover
The support positioning of support plate 580.A boss 520 is also formed on flange 510, for installing fly net.
The side of hood 590 is equipped at least two mounting portions 591, and screw hole 592 can be set on mounting portion 591, so as to
Make circuit board 30 that can be installed on by screw on smog detecting room 50.
Also referring to Fig. 8 and Fig. 9, the chamber (not marked in figure) of one end open is formed in smog detecting room upper cover 60,
Annular is fixed in chamber to be in the light wall 640.The wall 640 that is in the light is oppositely arranged and with detecing the opening of smoke-box 560 with detecing opening for smoke-box 560
Mouth interval forms smoke path.For example, in specific implementation, the end face of the free end for the wall 640 that is in the light and the opening for detecing smoke-box 560
End face it is concordant, and projection of the wall 640 on smoke-box 560 is detectd of being in the light falls within and detects within smoke-box 560.
In a preferred embodiment, it is equipped with and 570 phase of the first ladder reflection wall in the chamber of smog detecting room upper cover 60
To the second ladder reflection wall 610 of setting, the second ladder reflection wall 610 can be arranged in parallel with the first ladder reflection wall 570.Example
Such as, in specific implementation, smog detecting room upper cover 60 may include a cover board and the wing plate extended along the edge tilt of cover board, wing plate
It is arranged in parallel with the first ladder reflection wall 570, the end face of the opening of the overhanging end of institute's wing plate with detecing smoke-box 560 is concordant, second-order
Terraced reflection wall 610 is distributed on the wing plate.
In another preferred embodiment, the installation with optical transmitting set 302 is equipped in the chamber of smog detecting room upper cover 60
The sawtooth reflective structure 620 that portion is oppositely arranged when being introduced into smog in smog detecting room 50, is emitted by optical transmitting set 302
Light reflected by sawtooth reflective structure 620 along original route, so as to avoid because optical transmitting set 302 malfunction caused by spurious alarm.
Also referring to Figure 10, room 902, cigarette are installed in the first installation room 901 and second that shell 90 includes stepped setting
Mist entrance 950 is opened between the first installation room 901 and the second installation room 902.Bottom cover, which is equipped with, in second installation room 902 fixes spiral shell
Hole 930 and circuit board fixing threaded hole 940 are respectively used to installation bottom cover 20 and circuit board 30.The one side of second installation room 902 is to open
End is put, the outside of the open end is equipped with and the matched fixed trip 960 of shell fixed card buckle 120 on pedestal 10.
Referring again to Fig. 3 and Figure 10, in another preferred embodiment, smoke detector 1 is further included in shell 90
Test cell, alarm unit and an operating unit, for example, test cell includes a flexible PCB 80 and being installed on flexible electrical
Testing element (not shown) and button 100 on the plate of road, alarm unit are a light bar 70, and light bar 70 is equipped with multiple warnings
Lamp 710.As correspondence, shell 90 first installation room 901 be equipped be equipped with 100 corresponding key hole 910 of button and with police
Show the corresponding light-conductive hole 920 of lamp, for example, intuitively to show the criticality of the smokescope in current environment, fire and cigarette
Working condition of mist detector 1 etc. can set the LED light of multiple and different colors to show its preset state.
Also referring to shown in Figure 11, the smog (not shown) in external environment can be by the smoke inlet on shell 90
950 enter in shells 90, then smoke-box is detectd in the passage entrance between the first ladder reflection wall 570, the second ladder reflection wall 610
In 560, the emergent ray of optical transmitting set 302 enters optical receiver 303, optical receiver after detecing the scattering of the smog in smoke-box 560
Triggering alarm when the 303 scattering light received reach predetermined value.
First ladder reflection wall 570, the second ladder reflection wall 610 inclined-plane can be by multiple orthogonal step institute structures
Into the light horizontally entered into external environment runs into the step Will meetings of the first ladder reflection wall 570, the second ladder reflection wall 610
Reflected along original route, though some light from the passage between the first ladder reflection wall 570, the second ladder reflection wall 610 into
Enter, can also be radiated on the frequency modulated light wall 640 of smog detecting room upper cover 60, then with wide-angle to external reflectance.Some light meeting
It penetrates on the sawtooth reflective structure 620 of smog detecting room upper cover, several small broached-tooth designs also can be by incident light with wide-angle
To external reflectance.By above-mentioned transmitting, most extraneous lights are blocked in and detect outside smoke-box 560, so as to significantly reduce
Interference of the extraneous light to smoke detector 1.Solid line with the arrow in Figure 11 shows portions incident light, void with the arrow
Line shows part reflection light.
When being introduced into smog in foregoing smoke detector 1 or smokescope is less than default alarm threshold value, optical transmitting set
302 emergent ray direct irradiation is on the sawtooth reflective structure 620 of smog detecting room upper cover, the saw of sawtooth reflective structure 620
Tooth sets and reflects emergent ray along the direction of original route by a predetermined angle, and emergent ray is not scattered or few part at this time
It is scattered, predetermined value is not achieved in the scattering light that optical receiver 303 will not receive scattering light or receive, and will not trigger alarm.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of smog darkroom, for smoke detector, including smog detecting room and smog detecting room upper cover, the smog detecting
Chamber interior detects smoke-box equipped with a receiving smog, it is characterised in that：The one side for detecing smoke-box is equipped with and the smog detecting room
The matched opening of upper cover, the opposite side for detecing smoke-box are equipped with the optical transmitting set mounting portion being oppositely arranged and optical receiver installation
Portion, the smog detecting chamber outer wall form the first ladder reflection wall shunk to the open side；Smog detecting room upper cover
The upper chamber for forming one end open, is fixed with the wall that is in the light in the chamber；It is described be in the light wall with it is described opening be oppositely arranged and with
The open space forms smoke path.
2. smog darkroom as described in claim 1, it is characterised in that：The end face of the wall free end of being in the light and the opening
End face is concordant, and the wall that is in the light falls within described detect within smoke-box in the projection detectd on smoke-box.
3. smog darkroom as described in claim 1, it is characterised in that：It is equipped with and institute in the chamber of smog detecting room upper cover
State the second ladder reflection wall that the first ladder reflection wall is oppositely arranged.
4. smog darkroom as claimed in claim 3, it is characterised in that：Smog detecting room upper cover includes a cover board and along institute
The wing plate of the edge tilt extension of cover board is stated, the wing plate is arranged in parallel with the first ladder reflection wall, outside the wing plate
It is concordant with the end face of the opening to stretch end.
5. smog darkroom as described in claim 1, it is characterised in that：It is equipped with and institute in the chamber of smog detecting room upper cover
State the sawtooth reflective structure that optical transmitting set mounting portion is oppositely arranged；When the smog detecting room is introduced into smog, by the light
The light being emitted at transmitter mounting portion is reflected by the sawtooth reflective structure along original route.
6. smog darkroom as described in claim 1, it is characterised in that：The smog darkroom further include one for install a circuit
For connecting the part fixed seat of the pedestal and the smog detecting room, the part fixed seat is equipped with the pedestal of plate and one
The first optical transmitting set for being oppositely arranged bears against face and the first optical receiver bears against face, it is described detect to be correspondingly provided in smoke-box be oppositely arranged
The second optical transmitting set bear against face and the second optical receiver and bear against face, first optical transmitting set bears against face and second light hair
Emitter bears against face against the optical transmitting set mounting portion is formed, and first optical receiver bears against face and the second optical receiver is born against
Face is against forming the optical receiver mounting portion.
7. a kind of smoke detector, including a pedestal, the shell being fixed on the pedestal, the smog being fixed in the shell
Darkroom, optical transmitting set, optical receiver and circuit board corresponding with the optical transmitting set and optical receiver, it is characterised in that：It is described
Smog darkroom is smog darkroom according to any one of claims 1 to 6.
8. smoke detector as claimed in claim 7, it is characterised in that：The shell includes a top plate and is connected to the top
Stair-stepping annular sidewall on plate offers the smog connected with the smoke path on the smog darkroom on the side wall and enters
Mouthful.
9. smoke detector as claimed in claim 7, it is characterised in that：The smoke detector is further included arranged on the shell
Interior test cell, alarm unit and an operating unit.
10. smoke detector as claimed in claim 9, it is characterised in that：Test cell includes a flexible PCB and installation
In testing element and button on the flexible PCB, the alarm unit includes multiple warning lamps；The shell is equipped with
Key hole corresponding with the button and light-conductive hole corresponding with the warning lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611061837.2A CN108106978B (en) | 2016-11-25 | 2016-11-25 | Smoke darkroom and smoke detector adopting same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611061837.2A CN108106978B (en) | 2016-11-25 | 2016-11-25 | Smoke darkroom and smoke detector adopting same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108106978A true CN108106978A (en) | 2018-06-01 |
| CN108106978B CN108106978B (en) | 2020-07-07 |
Family
ID=62204506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611061837.2A Expired - Fee Related CN108106978B (en) | 2016-11-25 | 2016-11-25 | Smoke darkroom and smoke detector adopting same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108106978B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111795913A (en) * | 2019-04-01 | 2020-10-20 | 开利公司 | Photoelectric smoke detector |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2674438Y (en) * | 2004-01-22 | 2005-01-26 | 金巨宝 | Improved end air inlet type detector |
| CN2727733Y (en) * | 2004-08-06 | 2005-09-21 | 金巨宝 | Multi-scatter detecting chamber |
| CN101089611A (en) * | 2007-03-01 | 2007-12-19 | 深圳市赋安安全系统有限公司 | Implementing method for back photoelectric smoke induction investigator and its device |
| JP2011076285A (en) * | 2009-09-30 | 2011-04-14 | Nohmi Bosai Ltd | Photoelectric smoke sensor |
| CN103999135A (en) * | 2012-08-31 | 2014-08-20 | 日本芬翁股份有限公司 | Light emission portion, photoelectric smoke sensor, and suction-type smoke sensing system |
| CN106056830A (en) * | 2016-06-20 | 2016-10-26 | 四川赛科安全技术有限公司 | Maze cover for photoelectric smoke sensing detector |
-
2016
- 2016-11-25 CN CN201611061837.2A patent/CN108106978B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2674438Y (en) * | 2004-01-22 | 2005-01-26 | 金巨宝 | Improved end air inlet type detector |
| CN2727733Y (en) * | 2004-08-06 | 2005-09-21 | 金巨宝 | Multi-scatter detecting chamber |
| CN101089611A (en) * | 2007-03-01 | 2007-12-19 | 深圳市赋安安全系统有限公司 | Implementing method for back photoelectric smoke induction investigator and its device |
| JP2011076285A (en) * | 2009-09-30 | 2011-04-14 | Nohmi Bosai Ltd | Photoelectric smoke sensor |
| CN103999135A (en) * | 2012-08-31 | 2014-08-20 | 日本芬翁股份有限公司 | Light emission portion, photoelectric smoke sensor, and suction-type smoke sensing system |
| CN106056830A (en) * | 2016-06-20 | 2016-10-26 | 四川赛科安全技术有限公司 | Maze cover for photoelectric smoke sensing detector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111795913A (en) * | 2019-04-01 | 2020-10-20 | 开利公司 | Photoelectric smoke detector |
| CN111795913B (en) * | 2019-04-01 | 2023-10-31 | 开利公司 | Photoelectric smoke detector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108106978B (en) | 2020-07-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI621846B (en) | Smoke chamber and smoke detector using the same | |
| HU226178B1 (en) | Fire detector | |
| WO2017073582A1 (en) | Equipment-mounting structure, mounting plate for same, alarm unit, fire alarm unit, alarm device, and method for manufacturing same | |
| JP6532615B2 (en) | Smoke detector with light shield and alarm system including smoke detector | |
| US20160049059A1 (en) | Recreational smoking monitor system for use in occupied spaces | |
| EP1851744B1 (en) | Smoke detector | |
| JP2013506922A (en) | Fire alarm | |
| JP2787001B2 (en) | Photoelectric smoke detector | |
| JP2008242627A (en) | Photoelectric smoke detector | |
| US3460124A (en) | Smoke detector | |
| CA2820237A1 (en) | Recreational smoking monitor system for use in occupied spaces | |
| JP2021144746A (en) | Alarm device | |
| CN108106978A (en) | Smog darkroom and the smoke detector using the smog darkroom | |
| US5257013A (en) | Protecting UV flame detecting apparatus | |
| US3968379A (en) | Photocell smoke detector | |
| JPH0816948A (en) | Visual recognition structure for indicating lamp | |
| JP2010039937A (en) | Smoke sensor | |
| TW201941170A (en) | Smoke detector | |
| JPWO2019142797A1 (en) | smoke detector | |
| CN210427834U (en) | Smoke detector | |
| CN217955230U (en) | Smoke detection device and smoke alarm | |
| RU2267813C2 (en) | Optical smoke-sensitive alarm | |
| JPS625756Y2 (en) | ||
| RU48422U1 (en) | FIRST OPTICAL ELECTRONIC FIRE DETECTOR | |
| KR20220163793A (en) | Dual optical smoke detector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200707 Termination date: 20211125 |