CN217404971U - Labyrinth structure of smoke alarm - Google Patents
Labyrinth structure of smoke alarm Download PDFInfo
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- CN217404971U CN217404971U CN202220332424.8U CN202220332424U CN217404971U CN 217404971 U CN217404971 U CN 217404971U CN 202220332424 U CN202220332424 U CN 202220332424U CN 217404971 U CN217404971 U CN 217404971U
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- emitting device
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Abstract
The utility model discloses a smoke alarm labyrinth structure, include: the chassis is arranged in a disc structure; the labyrinth clapboards are all arranged on the outer edge of the upper surface of the chassis, a first gap is formed between every two adjacent labyrinth clapboards, and a second gap is formed between every two adjacent labyrinth clapboards; the light source receiving part is arranged in the first gap; the light source emitting part is arranged in the second gap; a cover operably disposed over the chassis. Through right the utility model discloses an it is right to use, provides a smoke alarm labyrinth structure, and a plurality of labyrinth baffles are "V" style of calligraphy setting and set up along the chassis hoop, are favorable to guiding the entering of smog, and the lid can prevent the hourglass light and because of the wrong report condition that the entering of tiny granule produced, and light source emission portion is provided with two light source transmitting device, has improved smoke sensitivity, can in time discover the conflagration.
Description
Technical Field
The utility model relates to a smoke alarm technical field especially relates to a smoke alarm labyrinth structure.
Background
The smoke alarm can effectively detect slight smoke generated in the early stage of a fire, thereby reminding people to escape as soon as possible and making corresponding preventive emergency measures, reducing the occurrence probability of the fire and effectively reducing life safety and property loss. The inner structure of the existing smoke alarm is also commonly called as a labyrinth, the smoke inlet effect is poor, the light in the cavity is easy to reflect, the light leakage is large, the false alarm is easy to cause, in addition, the optical labyrinth only has a light source receiving part and a light source transmitting part, the alarm can be triggered only when the smoke reaches a certain concentration, and the sensitivity is poor.
SUMMERY OF THE UTILITY MODEL
In view of this, in order to solve the above problem, the present invention provides a labyrinth structure of smoke alarm, including:
the chassis is arranged in a disc structure;
the labyrinth clapboards are arranged in a V shape and are arranged on the outer edge of the upper surface of the chassis, the labyrinth clapboards are sequentially arranged along the circumferential direction of the chassis, a first notch is formed between every two adjacent labyrinth clapboards, and a second notch is formed between every two adjacent labyrinth clapboards;
the light source receiving part is arranged in the first gap;
the light source emitting part is arranged in the second gap;
the cover body is operably arranged on the chassis;
wherein, the light source emission portion includes: the first light source emitting device, the second light source emitting device and the supplementary partition plate are sequentially arranged along the outer edge of the chassis.
In another preferred embodiment, the light source receiving part includes: the receiving seat is installed in the first gap, the receiving seat is provided with a containing space inside, the photosensitive element is installed in the containing space, and a receiving hole is formed in one side, facing the center of the circle of the chassis, of the receiving seat.
In another preferred embodiment, the first light source emitting device and the second light source emitting device each include: mount pad and diode, mount pad are installed in the second breach, have an accommodation space in the mount pad, and a light trap has all been seted up to the diode in the accommodation space on one side of the centre of a circle on mount pad orientation chassis.
In another preferred embodiment, the first light source emitting device or the second light source emitting device further includes: one end of each of the two light screens is connected with one side, facing the circle center of the chassis, of the mounting seat, and the light holes are formed between the two light screens.
In another preferred embodiment, the supplemental barrier comprises: the two first limiting plates and the second limiting plate are perpendicular to the chassis, one of the first limiting plates, the second limiting plate and the other first limiting plate are sequentially arranged along the outer edge of the chassis, and a smoke inlet is formed between the first light source emitting device and one of the first limiting plates, between the first limiting plate and the second limiting plate, between the second limiting plate and the other first limiting plate and between the other first limiting plate and the second light source emitting device.
In another preferred embodiment, the peripheral surface of the outer ring of the chassis is provided with a plurality of fixing grooves and two projections, the plurality of fixing grooves and the two projections are both arranged at the lower end of the chassis, a clamping groove is jointly formed between the two projections and the peripheral surface of the outer ring of the chassis, and the cover body is operatively clamped with the plurality of fixing grooves and the clamping groove.
In another preferred embodiment, the cover body includes: apron and bounding wall, the lower surface of apron and the upper surface on chassis all are provided with a mat face, and the lower extreme of bounding wall is provided with a plurality of buckles and a locating piece, and a plurality of buckles and the equal protrusion of locating piece set up in the lower extreme of bounding wall, and each buckle all operationally with a fixed slot joint, the locating piece operationally card is located in the draw-in groove.
In another preferred embodiment, two light shielding blocks are arranged on the lower surface of the cover plate, the upper surface of each mounting seat is provided with an opening, and each light shielding block is matched with the opening of one mounting seat.
In another preferred embodiment, a plurality of smoke guide holes are uniformly formed on the peripheral surface of the outer ring of the enclosing plate, and the smoke outlet hole is formed in the cover plate.
The utility model discloses owing to adopted above-mentioned technical scheme, make it compare the positive effect that has with prior art to be: through right the utility model discloses an it is right to use, provides a smoke alarm labyrinth structure, and a plurality of labyrinth baffles are "V" style of calligraphy setting and set up along the chassis hoop, are favorable to guiding the entering of smog, and the lid can prevent the hourglass light and because of the wrong report condition that the entering of tiny granule produced, and light source emission portion is provided with two light source transmitting device, has improved smoke sensitivity, can in time discover the conflagration.
Drawings
Fig. 1 is a first schematic view of a cover body of a labyrinth structure of a smoke alarm of the present invention;
fig. 2 is a second schematic view of the cover body of the labyrinth structure of the smoke alarm of the present invention;
fig. 3 is a first schematic view of a part of a labyrinth structure of a smoke alarm of the present invention;
fig. 4 is a second schematic view of a part of the labyrinth structure of the smoke alarm of the present invention.
In the drawings: 1. a chassis; 2. a labyrinth plate; 3. a first notch; 4. a second notch; 5. a receiving seat; 6. a photosensitive element; 7. a receiving aperture; 8. a mounting seat; 9. a diode; 10. a light-transmitting hole; 11. a visor; 12. a first limit plate; 13. a second limiting plate; 14. fixing grooves; 15. a bump; 16. a card slot; 17. a cover plate; 18. enclosing plates; 19. a rough surface; 20. buckling; 21. positioning blocks; 22. a light shielding block; 23. a smoke guide hole; 24. a smoke outlet; 25. a smoke inlet.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments, which are not intended to limit the present invention.
As shown in fig. 1 to 4, there is shown a smoke alarm labyrinth structure of a preferred embodiment, comprising:
the chassis 1 is arranged in a disc structure;
the labyrinth partition plates 2 are arranged in a V shape, the labyrinth partition plates 2 are arranged on the outer edge of the upper surface of the chassis 1, the labyrinth partition plates 2 are sequentially arranged along the circumferential direction of the chassis 1, a first notch 3 is formed between every two adjacent labyrinth partition plates 2, and a second notch 4 is formed between every two adjacent labyrinth partition plates 2;
the light source receiving part is arranged in the first notch 3;
the light source emission part is arranged in the second notch 4;
the cover body is operatively arranged on the chassis 1;
wherein, the light source emission portion includes: the light source device comprises a first light source emitting device, a second light source emitting device and a supplementary clapboard, wherein the first light source emitting device, the supplementary clapboard and the second light source emitting device are sequentially arranged along the outer edge of the chassis 1.
In the in-service use process, when not having a fire, the light that light source emission portion launches can not received by light source receiving portion, and when having a fire, the smog of production passes through the lid earlier then gets into the region that 2 encloses of labyrinth baffle through labyrinth baffle 2, and when smog reached certain concentration, the light that light source emission portion launches is refracted by smog and is received by light source receiving portion, triggers the alarm.
Furthermore, as a preferred embodiment, each labyrinth partition plate 2 is arranged in a V shape along the horizontal section, the tip parts of the plurality of labyrinth partition plates 2 are sequentially arranged on the upper surface of the chassis 1 along the counterclockwise direction, a gap is formed between every two adjacent labyrinth partition plates 2, and the gap communicates with the space inside and outside the chassis 1, thereby playing a role of guiding flow and facilitating the entrance of smoke.
Further, as a preferred embodiment, the light source receiving part includes: receiving seat 5 and light sensitive element 6, receiving seat 5 install in first breach 3, and the inside of receiving seat 5 has a receiving space, and light sensitive element 6 installs in receiving space, has seted up a receiving hole 7 on the one side of receiving seat 5 towards the centre of a circle of chassis 1.
Further, as a preferred embodiment, the first light source emitting device and the second light source emitting device each include: mount pad 8 and diode 9, mount pad 8 are installed in second breach 4, have an accommodation space in the mount pad 8, and diode 9 is installed in the accommodation space, has all seted up a light trap 10 on the one side of the centre of a circle of mount pad 8 towards chassis 1.
Further, as a preferred embodiment, the light source receiving portion, the first light source emitting device and the second light source emitting device are sequentially disposed on the upper surface of the chassis 1 along the counterclockwise direction.
Further, as a preferred embodiment, the first light source emitting device and the second light source emitting device can be installed with the diode 9 according to actual conditions, when high sensitivity is required, the diode 9 can be arranged in both the first light source emitting device and the second light source emitting device, and when low sensitivity is required, any one of the diodes 9 can be arranged in both the first light source emitting device and the second light source emitting device.
Further, as a preferred embodiment, the first light source emitting device or the second light source emitting device further includes: one end of each of the two light shielding plates 11 is connected with one side of the mounting seat 8 facing the center of the chassis 1, and the light hole 10 is arranged between the two light shielding plates 11.
Further, as a preferred embodiment, an included angle between the light emitted from the light source receiving portion and the first light source emitting device is an acute angle, and an included angle between the light emitted from the light source receiving portion and the second light source emitting device is an obtuse angle.
Further, as a preferred embodiment, the two light shielding plates 11 are disposed on the first light source emitting device, the two light shielding plates 11 are both disposed on the upper surface of the chassis 1 vertically, an included angle between one light shielding plate 11 close to the light source receiving portion and the light emitted by the first light source emitting device is an acute angle, and an included angle between the other light shielding plate 11 close to the second light source emitting device and the light emitted by the second light source emitting device is an acute angle.
Further, as a preferred embodiment, the supplementary spacer includes: two first limiting plates 12 and second limiting plate 13, two first limiting plates 12 and second limiting plate 13 all set up perpendicular to chassis 1, and one of them first limiting plate 12, second limiting plate 13 and another first limiting plate 12 set gradually along the outer fringe of chassis 1, all are formed with a smoke inlet 25 between first light source emission device and one of them first limiting plate 12, between this one first limiting plate 12 and second limiting plate 13, between second limiting plate 13 and another first limiting plate 12, between another first limiting plate 12 and the second light source emission device.
Further, as a preferred embodiment, the cross section of the two first limiting plates 12 along the horizontal direction is in a "Y" shape, and the openings of the two first limiting plates 12 are arranged towards the center of the circle of the chassis 1, so as to facilitate the entrance of smoke.
Further, as a preferred embodiment, a plurality of fixing grooves 14 and two protrusions 15 are disposed on the peripheral surface of the outer ring of the chassis 1, the plurality of fixing grooves 14 and the two protrusions 15 are disposed at the lower end of the chassis 1, a clamping groove 16 is jointly formed between the two protrusions 15 and the peripheral surface of the outer ring of the chassis 1, and the cover body is operatively connected with the plurality of fixing grooves 14 and the clamping groove 16.
Further, as a preferred embodiment, the cover includes: the improved structure of the automobile chassis comprises a cover plate 17 and a surrounding plate 18, wherein a rough surface 19 is arranged on the lower surface of the cover plate 17 and the upper surface of the chassis 1, a plurality of buckles 20 and a positioning block 21 are arranged at the lower end of the surrounding plate 18, the buckles 20 and the positioning block 21 protrude out of the lower end of the surrounding plate 18, each buckle 20 is connected with a fixing groove 14 in an operable mode, and the positioning block 21 is connected with a clamping groove 16 in a clamped mode in an operable mode.
Further, as a preferred embodiment, the rough surface 19 is used to prevent false alarm caused by reflection of the light emitted from the first light source emitting device and the light emitted from the second light source emitting device.
Further, as a preferred embodiment, two light shielding blocks 22 are disposed on the lower surface of the cover plate 17, the upper surface of each mounting seat 8 is provided with an opening, and each light shielding block 22 is matched with an opening of one mounting seat 8.
Further, as a preferred embodiment, the outer contour of each light shielding block 22 matches the inner contour of the opening of the mounting seat 8, so as to prevent the occurrence of false alarm caused by the light emitted from the diode 9.
Further, as a preferred embodiment, a plurality of smoke guiding holes 23 are uniformly formed on the outer circumferential surface of the surrounding plate 18, and two smoke outlet holes 24 are formed on the cover plate 17.
The above description is only an example of the preferred embodiments of the present invention, and the embodiments and the protection scope of the present invention are not limited thereby.
The utility model discloses still have following embodiment on above-mentioned basis:
the utility model discloses a in the further embodiment, be provided with a plurality of erection columns on chassis 1's the lower surface, further, the smoke alarm main part has a circuit board, and chassis 1 is installed on the circuit board through a plurality of erection columns.
The utility model discloses a further embodiment has seted up a plurality of through-holes on the chassis 1, and the accommodation space of receiving seat 5, two mount pads communicates with a through-hole respectively, and photosensitive element 6 and two diodes 9 all are connected with the circuit board through the through-hole.
The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.
Claims (9)
1. A smoke alarm labyrinth construction, comprising:
the chassis is arranged in a disc structure;
the labyrinth clapboards are arranged in a V shape and are arranged on the outer edge of the upper surface of the chassis, the labyrinth clapboards are sequentially arranged along the circumferential direction of the chassis, a first notch is formed between every two adjacent labyrinth clapboards, and a second notch is formed between every two adjacent labyrinth clapboards;
a light source receiving portion mounted within the first notch;
a light source emitting portion mounted in the second notch;
a cover operably disposed over the chassis;
wherein the light source emitting part includes: the light source device comprises a first light source emitting device, a second light source emitting device and a supplementary clapboard, wherein the first light source emitting device, the supplementary clapboard and the second light source emitting device are sequentially arranged along the outer edge of the chassis.
2. The smoke alarm labyrinth structure according to claim 1, wherein the light source receiving portion comprises: the receiving seat is installed in the first notch, a receiving space is formed in the receiving seat, the photosensitive element is installed in the receiving space, and a receiving hole is formed in one side, facing the circle center of the chassis, of the receiving seat.
3. The smoke alarm labyrinth as claimed in claim 1, wherein the first light source emitting device and the second light source emitting device each comprise: the mounting seat is installed in the second gap, an accommodating space is formed in the mounting seat, the diode is installed in the accommodating space, and a light hole is formed in one side, facing the circle center of the chassis, of the mounting seat.
4. The smoke alarm labyrinth as defined in claim 3, wherein said first light source emitting device or said second light source emitting device further comprises: one end of each of the two light shading plates is connected with one side, facing the circle center of the chassis, of the mounting seat, and the light holes are formed between the two light shading plates.
5. The smoke alarm labyrinth construction as claimed in claim 1, wherein the supplementary barrier comprises: the first limiting plate, the second limiting plate and the other first limiting plate are sequentially arranged along the outer edge of the chassis, and a smoke inlet is formed between the first light source emitting device and one of the first limiting plates, between the first limiting plate and the second limiting plate, between the second limiting plate and the other first limiting plate and between the other first limiting plate and the second light source emitting device.
6. The labyrinth structure of smoke alarm as claimed in claim 3, wherein the circumferential surface of the outer ring of the chassis is provided with a plurality of fixing slots and two protrusions, the plurality of fixing slots and two protrusions are both arranged at the lower end of the chassis, a clamping slot is jointly formed between the two protrusions and the circumferential surface of the outer ring of the chassis, and the cover body is operatively connected with the plurality of fixing slots and the clamping slot.
7. The smoke alarm labyrinth structure as claimed in claim 6, wherein said cover comprises: the lower surface of the cover plate and the upper surface of the chassis are respectively provided with a rough surface, the lower end of the enclosing plate is provided with a plurality of buckles and a positioning block, the buckles and the positioning block protrude out of the lower end of the enclosing plate, each buckle is in clamping connection with one fixing groove in an operable mode, and the positioning block is in clamping connection with the clamping groove in the operable mode.
8. The labyrinth structure as claimed in claim 7, wherein two light-shielding blocks are provided on the lower surface of the cover plate, the upper surface of each of the mounting seats is provided with an opening, and each of the light-shielding blocks is matched with the opening of one of the mounting seats.
9. The labyrinth structure of smoke alarm as claimed in claim 7, wherein said enclosure has a plurality of smoke guiding holes uniformly formed on its outer circumferential surface, and said cover plate has a smoke outlet hole formed therein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220332424.8U CN217404971U (en) | 2022-02-14 | 2022-02-14 | Labyrinth structure of smoke alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220332424.8U CN217404971U (en) | 2022-02-14 | 2022-02-14 | Labyrinth structure of smoke alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217404971U true CN217404971U (en) | 2022-09-09 |
Family
ID=83137018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220332424.8U Active CN217404971U (en) | 2022-02-14 | 2022-02-14 | Labyrinth structure of smoke alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217404971U (en) |
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2022
- 2022-02-14 CN CN202220332424.8U patent/CN217404971U/en active Active
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