CN213483062U

CN213483062U - Smoke alarm

Info

Publication number: CN213483062U
Application number: CN202023038409.2U
Authority: CN
Inventors: 唐广秋
Original assignee: Suzhou Yike Situo Electromechanical Technology Co ltd
Current assignee: Suzhou Yike Situo Electromechanical Technology Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-06-18
Anticipated expiration: 2030-12-16

Abstract

The application relates to the technical field of smoke detection and alarm, in particular to a smoke alarm, aiming at solving the defect that when the smoke alarm is used in an old community, the smoke alarm is easy to miss-touch and disturb residents in the community because the smoke alarm has serious smoke problems in the old community in the prior art, the technical scheme is that the smoke alarm comprises an upper shell and a lower shell, a smoke collecting box is arranged on the bottom surface of the upper shell, a laser emitter and a photosensitive element for sensing light ray change are arranged in the smoke collecting box, a light barrier for preventing the light emitted by the laser emitter from directly irradiating the photosensitive element is arranged between the laser emitter and the photosensitive element, an air inlet is arranged on the lower shell, a smoke inlet is arranged on the side wall of the smoke collecting box, a plurality of smoke filtering plates are detachably connected between the lower shell and the smoke collecting box, the middle of the smoke filtering plates is bent, and the plurality of smoke filtering plates are uniformly arranged, the smoke alarm has the advantages that the possibility of false alarm of the smoke alarm is reduced, and the occurrence of the situation of disturbing residents is reduced.

Description

Smoke alarm

Technical Field

The application relates to the technical field of smoke detection and alarm, in particular to a smoke alarm.

Background

The fire refers to a disaster caused by combustion that is out of control in time and space, and among various disasters, the fire is one of the main disasters that threaten public safety and social development most often and most generally. The human being can utilize and control the fire, which is an important mark of the civilization progress. Therefore, the history of using fire by human beings and the history of fighting against fire are concomitant, and people need to constantly summarize the fire occurrence rule while using fire, so as to reduce the possibility of fire occurrence and the harm to human beings as much as possible.

Smoke alarms are one of the important means of preventing fires and function to generate an alarm when a significant amount of smoke is detected and may lead to the initiation of a fire. Smog at the beginning of a fire can be accumulated under an indoor ceiling, and the smog detector can monitor and detect the existence of smog in real time, so that the alarm sound is given, people can know the fire early, and the fire is extinguished in a bud state.

The smoke alarm commonly used at present generally comprises a shell, wherein a smoke collection box used for collecting and containing air is arranged in the shell, a laser emitter is arranged on one side in the smoke collection box, a photosensitive element used for sensing laser signals is arranged on the other side of the smoke collection box, a baffle is arranged between the laser emitter and the photosensitive element, and an alarm device is arranged outside the shell. After the smoke enters the smoke collection box, the laser generates diffuse reflection and refraction in the smoke, and the photosensitive element gives an alarm after detecting light, so that the early warning of fire is realized.

In view of the above-mentioned related technologies, the inventor believes that there is a defect that when the smoke alarm is used in an old cell, the smoke alarm is easily touched by mistake and disturbs residents of the cell due to serious smoke problems such as water vapor and oil smoke in the old cell.

SUMMERY OF THE UTILITY MODEL

In order to make smoke alarm be applicable to different use scenarios, reduce the possibility of smoke alarm misstatement, reduce the condition of disturbing the resident and take place, the application provides a smoke alarm.

The application provides a smoke alarm adopts following technical scheme:

the utility model provides a smoke alarm, includes casing and lower casing, be equipped with an album cigarette case on going up the casing bottom surface, be equipped with laser emitter in the collection cigarette case and be used for responding to the light sensing element that light changes, be equipped with the barn door that is used for preventing the light direct irradiation that laser emitter sent to light sensing element between laser emitter and the light sensing element, the air inlet has been seted up on the casing down, the mouth of advancing has been seted up on the lateral wall of collection cigarette case, be equipped with the cigarette filter plate between casing and collection cigarette case down, buckle in the middle of the cigarette filter plate, a plurality of the cigarette filter plate evenly sets up around an album cigarette case.

Through adopting above-mentioned technical scheme, pass through the passageway of buckling that is formed by a plurality of filter cigarette board centre grippings between the air inlet of the cigarette inlet of collection cigarette box and lower casing, the passageway stroke that the external gas got into collection cigarette case has been increased, make gas obtain abundant cooling and buffering before getting into collection cigarette case, be convenient for carry out abundant settlement filtering to vapor and oil smoke gas in the air, the possibility that smoke alarm is influenced by life smog has been reduced, detachable filter cigarette board makes the staff can be according to service environment, filter cigarette effect to smoke alarm adjusts, the flexibility in smoke alarm uses has been improved.

Optionally, an annular mounting groove is formed between the lower shell and the cigarette collecting box, and an oil smoke box for containing oil smoke is arranged in the mounting groove.

By adopting the technical scheme, the settled oil smoke and water vapor are collected, the possibility of pollution caused by the fact that the water vapor of the oil cigarette case is infected by the smoke alarm is reduced, the cleanliness of the working environment of the smoke alarm is protected, and the accuracy of the smoke alarm is further improved.

Optionally, a plurality of spout, a plurality of have been seted up on the inside wall of mounting groove the spout sets up along circumferencial direction evenly distributed and along vertical direction in the mounting groove, be equipped with on the lateral wall of cigarette case a plurality of be used for with spout complex slider.

Through adopting above-mentioned technical scheme, make in the slider embedding spout realize quick fixed in the oil smoke box embedding mounting groove, the staff of being convenient for takes out the oil smoke box and clears up, and the cooperation of slider and spout makes the staff can install the oil smoke box fast simultaneously, has improved smoke alarm's maintenance efficiency.

Optionally, an insertion groove for inserting and fixing the smoke filter plate is formed in the inner side wall of the cigarette case.

Through adopting above-mentioned technical scheme, the connection can be dismantled in the oil smoke box through the slot to the smoke filter for the staff can be according to the in-service use scene, adjusts the distribution density of smoke filter, has improved the flexibility in smoke alarm's the use, and convenient simple and easy mounting means has improved staff's adjustment smoke alarm's work efficiency simultaneously.

Optionally, the inner side wall of the lower shell is provided with a plurality of ribs arranged at intervals, and the bottom surface of the upper shell is provided with a boss which is in an L shape and is used for being connected with the boss in a clamping mode.

By adopting the technical scheme, the lower shell and the upper shell can be clamped and fixed in a quick rotating manner, the installation steps of the smoke alarm are simplified, and the installation work efficiency of the smoke alarm is improved.

Optionally, a plurality of grooves are formed in the outer periphery of the upper shell, elastic buckles are arranged at the notches of the grooves, protruding blocks are arranged on the outer wall of one end, away from the grooves, of each buckle, and clamping grooves matched with the buckles are formed in the outer periphery of the top surface of the lower shell.

Through adopting above-mentioned technical scheme, the buckle joint makes the buckle obtain fixedly in the draw-in groove through the lug on the buckle, and then makes the rotatory block structure between last casing and the lower casing fixed, has reduced the possibility that relative rotation takes place to lead to being connected between lower casing and the last casing not hard up in the use of upper and lower casing.

Optionally, a guide block is arranged on one side of the clamping groove, and a guide inclined plane used for being matched with the guide block is arranged on the outer side wall of one side, close to the connecting rod, of the protruding block.

Through adopting above-mentioned technical scheme, the direction inclined plane that sets up on guide block and the lug by the draw-in groove plays the guide effect to the buckle for the buckle can be smoothly gone into the draw-in groove by the card, has improved the installation effectiveness of last casing and lower casing.

Optionally, a positive electrode communicated with a power supply is arranged on the outer side wall of the bump, and a negative electrode communicated with the smoke alarm element is arranged on one side surface of the clamping groove close to the positive electrode.

Through adopting above-mentioned technical scheme, only when last casing and the rotatory block of casing accomplish down, smoke alarm just can switch on the power, has improved staff's installation smoke alarm's security, has reduced the possibility that smoke alarm touched by mistake simultaneously.

Optionally, a low-frequency horn for sending out an early warning signal is arranged at the bottom of the lower shell.

Through adopting above-mentioned technical scheme, low frequency loudspeaker have replaced bee calling organ commonly used, have reduced the possibility to the resident's disturbance when playing the warning effect.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the bent channel formed by clamping a plurality of smoke filtering plates is arranged between the smoke inlet of the smoke collecting box and the air inlet of the lower shell, so that the channel stroke of external air entering the smoke collecting box is increased, the air is fully cooled and buffered before entering the smoke collecting box, the water vapor and the oil smoke in the air are conveniently and fully precipitated and filtered, the possibility that the smoke alarm is influenced by life smoke is reduced, the detachable smoke filtering plates enable workers to adjust the smoke filtering effect of the smoke alarm according to the use environment, and the use flexibility of the smoke alarm is improved;

2. the oil cigarette case collects the settled oil smoke and water vapor, so that the possibility that the water vapor of the oil cigarette case is polluted by the smoke alarm is reduced, the cleanliness of the working environment of the smoke alarm is protected, and the accuracy of the smoke alarm is improved;

3. only when the upper shell and the lower shell are clamped in a rotating mode, the smoke alarm can be powered on, the safety of workers for installing the smoke alarm is improved, and meanwhile the possibility of mistakenly touching the smoke alarm is reduced.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a smoke alarm according to an embodiment of the present application;

FIG. 2 is a schematic structural view of an upper housing of a smoke alarm according to an embodiment of the present application;

figure 3 is a schematic structural view of a lower housing of a smoke alarm according to an embodiment of the present application;

figure 4 is a schematic diagram of an exploded view of a smoke alarm according to an embodiment of the present application;

FIG. 5 is a schematic view of a portion of a smoke filter of a smoke alarm mounted on a cigarette pack according to an embodiment of the present application;

figure 6 is a partial cross-sectional view of the connection of the upper housing to the lower housing of a smoke alarm of the type shown in the embodiments of the present application;

fig. 7 is a partial schematic structural view of a buckle of a smoke alarm according to an embodiment of the present application;

fig. 8 is a partial schematic structural view of a buckle of a smoke alarm according to an embodiment of the present application.

Description of reference numerals: 1. an upper housing; 2. a lower housing; 3. a cigarette collecting box; 4. a laser transmitter; 5. a photosensitive element; 6. a light barrier; 7. an air inlet; 8. a smoke inlet; 9. a smoke filter plate; 10. mounting grooves; 11. a cigarette case; 12. a chute; 13. a slider; 14. a slot; 15. a rib; 16. a boss; 17. a groove; 18. buckling; 19. a bump; 20. a card slot; 21. a guide block; 22. a guide slope; 23. a positive electrode; 24. a negative electrode; 25. a low frequency horn.

Detailed Description

The present application is described in further detail below with reference to figures 1-8.

Example (b):

the embodiment of the application discloses a smoke alarm.

Referring to fig. 1 and 2, a smoke alarm includes casing 1 and casing 2 down, is equipped with on the bottom surface of casing 1 and is used for collecting the external smoke-containing collection box 3, has seted up on the lateral wall of collection box 3 into mouth 8, has seted up air inlet 7 on the lateral wall of casing 2 down, enters passageway intercommunication and the one-to-one that forms through a plurality of smoke filters 9 between mouth 8 and the air inlet 7, and the bottom of casing 2 is equipped with the low frequency loudspeaker 25 that is used for sending low frequency alarm signal down.

Referring to fig. 2, a laser emitter 4 and a photosensitive element 5 for sensing light signals are disposed in the smoke collection box 3, and a plurality of light barriers 6 for preventing the laser emitter 4 from directly irradiating the photosensitive element 5 are further disposed in the smoke collection box 3.

Referring to fig. 3 and 4, an annular mounting groove 10 is formed in the inner peripheral wall of the lower housing 2, three sliding grooves 12 are formed in the inner side wall of the lower housing 2 along the vertical direction, an oil smoke box 11 for collecting oil smoke is arranged in the mounting groove 10, three sliding blocks 13 used for being matched with the sliding grooves 12 are arranged on the outer peripheral wall of the oil smoke box 11, the oil smoke box 11 is embedded into the sliding grooves 12 through the sliding blocks 13, and the oil smoke box 11 is detachably mounted in the mounting groove 10.

Referring to fig. 4 and 5, slot 14 of symmetry complex has been seted up on two inside walls of cigarette case 11, smoke filter plate 9 passes through slot 14 to be fixed in cigarette case 11, smoke filter plate 9's cross-section is the V-arrangement and is corresponding evenly distributed between complex inlet opening 8 and air inlet 7, make the air when getting into collection cigarette case 3 through smoke filter plate 9, increase the stroke of air between air inlet 7 and inlet opening 8, and then reach filtration and refrigerated effect, be convenient for filter and collect the vapor in the air, the adjustment that the staff carries out quantity and distribution is convenient for to the smoke filter plate 9 of pegging graft in cigarette case 11 simultaneously, be convenient for deal with different in service behavior, the possibility that smoke alarm touched by mistake has been reduced.

Referring to fig. 6, be equipped with the boss 16 that a plurality of is the L type on the outer peripheral edges of the bottom surface of last casing 1, the directional outside of the protruding department of a plurality of L type boss 16 is equipped with four along circumferencial direction evenly distributed's bead 15 on the outer peripheral edges at casing 2 top down, bead 15 and the rotatory joint of boss 16 cooperation for it is fixed to go up to obtain being connected between casing 1 and casing 2 down, has improved smoke alarm's dismouting efficiency.

Referring to fig. 7 and 8, a groove 17 penetrating through the upper housing 1 is formed in the outer peripheral edge of the upper housing 1, an elastic buckle 18 is arranged on the inner wall of a notch of the groove 17, a protruding block 19 is arranged at one end, far away from the groove 17, of the buckle 18, the protruding block 19 protrudes towards one side, far away from the groove 17, a guide inclined plane 22 used for guiding the protruding block 19 is arranged at one side, close to the buckle 18, of the protruding block 19, a clamping groove 20 used for being clamped with the buckle 18 is formed in the outer peripheral edge of the top surface of the lower housing 2, a guide block 21 used for being matched with the guide inclined plane 22 is arranged at an entrance end of the clamping groove 20, relative rotation between the upper housing 1 and the lower housing 2 is prevented. The positive electrode 23 communicated with a power supply is arranged on the guide inclined plane 22 of the bump 19, and the negative electrode 24 communicated with the smoke alarm is arranged on the side face, abutted against the guide inclined plane 22, of the clamping groove 20, so that the smoke alarm can be powered on and operated only when the upper shell 1 and the lower shell 2 are rotatably clamped, and the safety of the smoke alarm is improved.

The implementation principle of the smoke alarm provided by the embodiment of the application is as follows: when using smoke alarm to detect the early warning to the air, the staff adjusts the density of smoke filter 9 according to service environment's actual conditions, and then adjusts smoke alarm to the sensitivity of smog, sets up the completion back, aligns bead 15 and carries out rotatory block to boss 16, and buckle 18 blocks into draw-in groove 20 along guide block 21 this moment.

After the installation is finished, the positive electrode 23 and the negative electrode 24 are abutted, so that components of the smoke alarm are connected with a power supply to form a passage, and the smoke alarm operates.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a smoke alarm, includes casing (1) and lower casing (2), be equipped with on last casing (1) bottom surface and collect cigarette case (3), be equipped with laser emitter (4) in collection cigarette case (3) and be used for sensing photosensitive element (5) that light changes, be equipped with between laser emitter (4) and photosensitive element (5) and be used for preventing light direct irradiation that laser emitter (4) sent and photosensitive element (5) barn door (6), its characterized in that: air inlet (7) have been seted up on lower casing (2), set up on the lateral wall of collection cigarette case (3) and advance mouth (8), can dismantle between casing (2) and collection cigarette case (3) down and be connected with a plurality of and strain cigarette board (9), a plurality of it evenly sets up to strain cigarette board (9) between corresponding complex air inlet (7) and the mouth of advancing.

2. A smoke alarm according to claim 1 wherein: the inner side wall of the lower shell (2) is provided with an annular mounting groove (10), and an oil smoke box (11) used for containing oil smoke is arranged in the mounting groove (10).

3. A smoke alarm according to claim 2 wherein: a plurality of sliding grooves (12) are formed in the inner side wall of the lower shell (2) and are a plurality of, the sliding grooves (12) are evenly distributed in the mounting groove (10) along the circumferential direction and are arranged along the vertical direction, and a plurality of sliding blocks (13) matched with the sliding grooves (12) are arranged on the outer side wall of the cigarette case (11).

4. A smoke alarm according to claim 2 wherein: the inner side wall of the cigarette case (11) is provided with a slot (14) for inserting and fixing the cigarette filtering plate (9).

5. A smoke alarm according to claim 1 wherein: be equipped with bead (15) that a plurality of interval set up on the inside wall of lower casing (2), be equipped with on the bottom surface of going up casing (1) and be used for being the boss (16) of L type with boss (16) joint complex.

6. A smoke alarm according to claim 5 wherein: go up and seted up a plurality of recess (17) on the outer peripheral edges of casing (1), the notch department of recess (17) is equipped with elastic buckle (18), buckle (18) are kept away from and are equipped with lug (19) on the outer wall of the one end of recess (17), be equipped with on the outer peripheral edges of casing (2) top surface down and be used for with buckle (18) complex draw-in groove (20).

7. A smoke alarm according to claim 6 wherein: a guide block (21) is arranged on one side edge, close to the clamping groove (20), of the lower shell (2), and a guide inclined plane (22) used for being matched with the guide block (21) is arranged on the outer side wall, close to one side of the connecting rod, of the convex block (19).

8. A smoke alarm according to claim 6 wherein: the lateral wall of the lug (19) is provided with a positive electrode (23) communicated with a power supply, and the side surface of the clamping groove (20) close to the positive electrode (23) is provided with a negative electrode (24) communicated with the smoke alarm element.

9. A smoke alarm according to claim 1 wherein: and a low-frequency loudspeaker (25) for sending out an early warning signal is arranged at the bottom of the lower shell (2).