CN219872539U

CN219872539U - Smoke alarm with buzzer

Info

Publication number: CN219872539U
Application number: CN202321226513.5U
Authority: CN
Inventors: 吴夫祥
Original assignee: Ningbo Yiruite Electronic Technology Co ltd
Current assignee: Ningbo Yiruite Electronic Technology Co ltd
Priority date: 2023-05-18
Filing date: 2023-05-18
Publication date: 2023-10-20
Anticipated expiration: 2033-05-18

Abstract

The utility model discloses a smoke alarm with a buzzer, which relates to the technical field of alarms and comprises an upper shell and a lower shell, wherein a circuit board is arranged in the lower shell, a plurality of induction smoke inlets are uniformly formed in the surface of the lower shell, a first connecting block is fixedly connected to the side surface of the upper shell, and a second connecting block is fixedly connected to the side surface of the lower shell; the inside of connecting block two is provided with the fixed part that is used for going up casing and lower casing looks fixed mounting, fixed part includes fixed connection at the inserted bar of connecting block lower surface, the slot that supplies inserted bar to insert and adaptation is seted up on the surface of connecting block two, rectangular notch has been seted up to the inner wall of slot, this smoke alarm with bee calling organ, accomplish the fixed and the unblock between casing and the lower casing through the mode of buckle, easy operation is convenient, convenient to use cleans the dust in the smoke alarm, avoided the problem of taking place the false alarm because of piling up for the dust in the smoke alarm.

Description

Smoke alarm with buzzer

Technical Field

The utility model relates to the technical field of alarms, in particular to a smoke alarm with a buzzer.

Background

The smoke alarm is a name for smoke sense, the smoke sense alarm realizes fire prevention by monitoring the concentration of smoke, the ion type smoke sensor is adopted in the smoke sense alarm, the technology is advanced, the operation is stable and reliable, the smoke sense alarm is widely applied to various types, and the performance is far superior to that of gas-sensitive resistors.

The utility model discloses a long-range wireless smoke alarm as disclosed in chinese patent CN202021351095.9, including the last casing of smoke alarm, gauze mask collection cigarette mechanism and the casing under the smoke alarm, the last casing of smoke alarm passes through gauze mask collection cigarette mechanism and is connected with the casing under the smoke alarm, gauze mask collection cigarette mechanism axis and the last casing of smoke alarm and the casing under the smoke alarm are perpendicular to distribute, gauze mask collection cigarette mechanism contains filter screen, detection module and drainage fan, the casing contains casing, controller, buzzer, signal indication lamp and alarm circuit under the smoke alarm. On the one hand, when a fire disaster or a tendency of the fire disaster occurs, the fire disaster information can be timely transmitted to a household owner or a community fire control room through the work of the detection module and the controller, so that the fire can be conveniently extinguished and alarmed in time; on the other hand, the shell plays a role in protecting the smoke alarm, and the gauze mask can prevent some tiny insects from entering the shell in daily life to damage equipment, so that normal use of the equipment is affected.

Based on the retrieval of the prior art, the prior smoke alarm is known to have more smoke induction ports on the surface, after the smoke alarm is used in time, dust and other impurities in the air easily enter the smoke alarm through the smoke induction ports, and the prior smoke alarm is connected or designed as a whole between an upper shell and a lower shell through fixing bolts, so that the smoke alarm is not detachable and is inconvenient to detach and install, the dust in the smoke alarm is cleaned, and the smoke alarm easily gives out false alarm for a long time.

Disclosure of Invention

The utility model aims to provide a smoke alarm with a buzzer, which solves the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the smoke alarm with the buzzer comprises an upper shell and a lower shell, wherein a circuit board is arranged in the lower shell, a plurality of induction smoke inlets are uniformly formed in the surface of the lower shell, a first connecting block is fixedly connected to the side face of the upper shell, and a second connecting block is fixedly connected to the side face of the lower shell;

and a fixing component for fixedly mounting the upper shell and the lower shell is arranged in the second connecting block.

Preferably, the fixed part is in including fixed connection the inserted bar of connecting block lower surface, supply the surface of connecting block two the slot that the inserted bar inserted and adapted has been seted up, rectangular notch has been seted up to the inner wall of slot, the inner wall fixedly connected with telescopic link of rectangular notch, the telescopic link still includes the telescopic part, the tip fixedly connected with semicylindrical piece of telescopic part, the semicylindrical piece with be provided with the spring jointly between the inner wall of rectangular notch, the spout that supplies the semicylindrical piece slide in has been seted up on the surface of inserted bar.

Preferably, the surface of the chute is arc-shaped, and the end part of the inserted link, which is far away from the first connecting block, is convex.

Preferably, the telescopic rod extends out of the end part of the second connecting block and is fixedly connected with a rotating column, and anti-skid patterns are arranged on the surface of the rotating column.

Preferably, the rectangular notch is provided with two groups of rectangular notches which are symmetrically distributed in the slots, and the fixing component is provided with four groups of fixing components which are uniformly arranged on the side surfaces of the upper shell and the lower shell.

Preferably, a buzzer is arranged on the inner wall of the upper shell;

the surface of circuit board is provided with the connector, be provided with two leads on the connector, two the tip of lead with buzzer looks electric connection runs through two lead and rather than sliding connection has two symmetrical mounting fixtures that set up.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the rotating column is reversely rotated for 90 degrees, and then the upper shell is pulled upwards to drive the inserted link to move upwards, at the moment, the surface of the sliding groove is contacted with the arc surface of the semi-cylindrical block by the upward movement of the inserted link, and the inserted link can be pulled out of the slot, so that the fixation between the lower shell and the upper shell can be released, dust in the smoke alarm can be cleaned, the problems that the smoke alarm is inconvenient to detach and install, dust in the smoke alarm is inconvenient to clean, and false alarm is easy to occur due to dust accumulation are solved.

2. When the smoke inlet taste is sensed and the smoke concentration is too high, the circuit board transmits the signal to the outside and also transmits the signal to the buzzer through the lead, and the buzzer starts to alarm in a buzzing way, so that people nearby can be reminded at the first time after the smoke alarm senses the occurrence of the fire, and precious time is striven for people to escape.

Drawings

FIG. 1 is a schematic view of the internal structure of the present utility model;

FIG. 2 is a cross-sectional view of a socket structure according to the present utility model;

fig. 3 is a cross-sectional view of the present utility model.

In the figure: 1. a lower housing; 2. an upper housing; 3. a circuit board; 4. a connector; 5. sensing a smoke inlet; 6. a lead wire; 7. rotating the column; 8. a first connecting block; 9. a rod; 10. a second connecting block; 11. a slot; 12. semi-cylindrical blocks; 13. a rectangular notch; 14. a spring; 15. a telescopic rod; 16. a chute; 17. a fixing clamp; 18. a buzzer; 19. and a telescopic part.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one:

referring to fig. 1 to 3, the present utility model provides a smoke alarm with a buzzer, which comprises an upper housing 2 and a lower housing 1, wherein a circuit board 3 is arranged in the lower housing 1, a plurality of induction smoke inlets 5 are uniformly formed on the surface of the lower housing 1, a first connecting block 8 is fixedly connected to the side surface of the upper housing 2, and a second connecting block 10 is fixedly connected to the side surface of the lower housing 1;

the second connection block 10 is provided with a fixing member for fixedly mounting the upper case 2 and the lower case 1 to each other.

More specifically, when the smoke inlet 5 senses that the smoke concentration is too high, the signal is transmitted to the circuit board 3, and the circuit board 3 transmits the signal to the outside to remind people of fire in time, thereby providing precious time for people to escape when the fire occurs.

When need clear up the dust in last casing 2 and the lower casing 1, under the effect of fixed part, can accomplish the fixed or the unblock between last casing 2 and the lower casing 1 through the mode of buckle, easy operation is convenient more, and the user of being convenient for clears up the dust in the smoke alarm, has avoided the problem of false alarm because of piling up for the dust in the smoke alarm.

Furthermore, the fixing component specifically comprises an inserting rod 9 fixedly connected to the lower surface of the first connecting block 8, a slot 11 for inserting and adapting the inserting rod 9 is formed in the surface of the second connecting block 10, a rectangular notch 13 is formed in the inner wall of the slot 11, a telescopic rod 15 is fixedly connected to the inner wall of the rectangular notch 13, the telescopic rod 15 further comprises a telescopic part 19, a semi-cylindrical block 12 is fixedly connected to the end part of the telescopic part 19, a spring 14 is jointly arranged between the semi-cylindrical block 12 and the inner wall of the rectangular notch 13, and a sliding groove 16 for sliding the semi-cylindrical block 12 is formed in the surface of the inserting rod 9.

Two groups of rectangular notches 13 are formed, the two groups of rectangular notches 13 are symmetrically distributed through the slots 11, and four groups of fixing parts are uniformly arranged on the side surfaces of the upper shell 2 and the lower shell 1.

The telescopic link 15 stretches out the tip fixedly connected with rotation post 7 of connecting block two 10, and the surface of rotation post 7 is provided with anti-skidding line.

As shown in fig. 1 and 2, when the lower housing 1 and the upper housing 2 need to be fixedly mounted, the upper housing 2 is moved downwards to drive the insert rod 9 on the lower surface of the first connecting block 8 to be inserted into the slot 11 formed on the surface of the second connecting block 10, and as the insert rod 9 is inserted, when the surface of the insert rod 9 contacts with the arc surface of the semi-cylindrical block 12, the insert rod 9 presses the semi-cylindrical block 12 in a direction close to the inside of the rectangular slot 13, and meanwhile, the spring 14 is compressed, and the telescopic part 19 of the telescopic rod 15 starts to shrink.

As the plunger 9 moves down, when the arc surface of the semi-cylindrical block 12 contacts the surface of the chute 16, the semi-cylindrical block 12 is pressed toward the direction close to the chute 16 under the action of the elastic potential energy of the spring 14 until the semi-cylindrical block 12 completely enters the chute 16, and the telescopic part 19 and the spring 14 are reset.

Then rotate the rotation post 7 and rotate 90 degrees, drive telescopic link 15 and telescopic part 19 and begin to rotate, the rotation of telescopic part 19 then can drive semi-cylindrical piece 12 and rotate 90 degrees in spout 16, the friction between user's hand and the rotation post 7 can be strengthened in the setting of rotation post 7 surface antiskid line to the slip when having avoided rotating the rotation post 7.

At this time, if the lower shell 1 is pulled downwards or the upper shell 2 is pulled upwards by external force, the arc surface of the semi-cylindrical block 12 is not contacted with the inner wall of the chute 16, namely, the semi-cylindrical block 12 cannot be easily separated from the chute 16, the fixing effect is good, the stability of the lower shell 1 and the upper shell 2 after being installed is ensured, and the stability of the smoke alarm in use is also ensured.

Similarly, when the fixation between the lower shell 1 and the upper shell 2 needs to be released, and the dust in the smoke alarm is cleaned, the rotary column 7 is reversely rotated by 90 degrees, so that the semi-cylindrical block 12 is reset, the upper shell 2 is pulled upwards at the moment, the inserting rod 9 is driven to move upwards, the surface of the sliding groove 16 is contacted with the arc surface of the semi-cylindrical block 12 due to the upward movement of the inserting rod 9, the inserting rod 9 can be pulled out from the slot 11 at the moment, the fixation between the lower shell 1 and the upper shell 2 can be released, and the dust in the smoke alarm can be cleaned.

In order to enable the movement of the semi-cylindrical block 12 to be smoother, the surface of the sliding groove 16 is in an arc shape, the end part of the inserted link 9, far away from the first connecting block 8, is in a convex shape, and because the end part of the inserted link 9 is in a convex shape, when the inserted link 9 is inserted into the slot 11, the arc surface of the convex end of the inserted link 9 is firstly contacted with the semi-cylindrical block 12, so that the friction force when the semi-cylindrical block 12 is contacted with the inserted link 9 can be reduced, and the semi-cylindrical block 12 can be better extruded into the rectangular notch 13.

And because the surface of the chute 16 is arc-shaped, the friction force of the semi-cylindrical block 12 in sliding into the chute 16 can be reduced, so that the movement of the semi-cylindrical block 12 can be smoother.

In the second embodiment, on the basis of the above embodiment, only the aspect of detaching and cleaning the smoke alarm is considered, but further improvement is needed in terms of how people nearby can be reminded of the first time after the smoke alarm senses that a fire occurs, so the inner wall of the upper housing 2 in the embodiment is provided with the buzzer 18;

the surface of circuit board 3 is provided with connector 4, is provided with two lead wires 6 on the connector 4, and the tip and the buzzer 18 of two lead wires 6 are mutually electric connection, run through two lead wires 6 and rather than sliding connection have two symmetrical mounting fixture 17 that set up.

When the smoke inlet 5 senses that the smoke concentration is too high and a fire disaster occurs, the circuit board 3 transmits signals to the outside and simultaneously transmits signals to the buzzer 18 through the lead 6, and the buzzer 18 starts to alarm in a buzzing way, so that people nearby can be reminded of the first time after the smoke alarm senses that the fire disaster occurs, and precious time is striven for people to escape.

And under the effect of two mounting fixtures 17, can avoid two lead wires 6 to the disorder line to guaranteed the stability of lead wire 6, and then improved the stability of being connected between buzzer 18 and the circuit board 3.

The working principle is that when the dust inside the smoke alarm needs to be cleaned, the rotating column 7 rotates reversely by 90 degrees, so that the semi-cylindrical block 12 is reset, the upper shell 2 is pulled upwards, the inserting rod 9 is driven to move upwards, the surface of the sliding groove 16 is enabled to be contacted with the arc surface of the semi-cylindrical block 12 by the upward movement of the inserting rod 9, the inserting rod 9 can be pulled out of the slot 11 at the moment, the fixation between the lower shell 1 and the upper shell 2 can be released, and therefore the dust inside the smoke alarm can be cleaned.

When the smoke inlet 5 senses that the concentration of smoke is too high and a fire disaster occurs, the circuit board 3 transmits signals to the outside and simultaneously transmits signals to the buzzer 18 through the lead 6, and the buzzer 18 starts to alarm in a buzzing manner, so that people nearby can be reminded in the first time after the smoke alarm senses that the fire disaster occurs, and precious time is striven for people to escape.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a smoke alarm with bee calling organ, includes casing (2) and lower casing (1), its characterized in that: the inside of the lower shell (1) is provided with a circuit board (3), the surface of the lower shell (1) is uniformly provided with a plurality of induction smoke inlets (5), the side surface of the upper shell (2) is fixedly connected with a first connecting block (8), and the side surface of the lower shell (1) is fixedly connected with a second connecting block (10);

the inside of the second connecting block (10) is provided with a fixing component for fixedly installing the upper shell (2) and the lower shell (1).

2. A smoke alarm with buzzer as claimed in claim 1, wherein: the utility model provides a fixed part, including fixed connection be in inserted bar (9) of connecting block one (8) lower surface, supply have been seted up on the surface of connecting block two (10) inserted bar (9) male and slot (11) of adaptation, rectangular notch (13) have been seted up to the inner wall of slot (11), the inner wall fixedly connected with telescopic link (15) of rectangular notch (13), telescopic link (15) still include telescopic link (19), the tip fixedly connected with semicylindrical piece (12) of telescopic link (19), semicylindrical piece (12) with jointly be provided with spring (14) between the inner wall of rectangular notch (13), spout (16) that supply semicylindrical piece (12) slide in have been seted up on the surface of inserted bar (9).

3. A smoke alarm with buzzer as claimed in claim 2, wherein: the surface of the sliding groove (16) is arc-shaped, and the end part of the inserted link (9) far away from the first connecting block (8) is convex.

4. A smoke alarm with buzzer as claimed in claim 2, wherein: the telescopic rod (15) stretches out the end part of the connecting block II (10) is fixedly connected with a rotating column (7), and anti-slip lines are arranged on the surface of the rotating column (7).

5. A smoke alarm with buzzer as claimed in claim 2, wherein: two groups of rectangular notches (13) are formed, the rectangular notches (13) are symmetrically distributed by the slots (11), and four groups of fixing parts are uniformly arranged on the side surfaces of the upper shell (2) and the lower shell (1).

6. A smoke alarm with buzzer as claimed in claim 1, wherein:

a buzzer (18) is arranged on the inner wall of the upper shell (2);

the surface of circuit board (3) is provided with connector (4), be provided with two lead wires (6) on connector (4), two the tip of lead wire (6) with buzzer (18) are electric connection mutually, run through two lead wire (6) and rather than sliding connection have two symmetrical mounting fixture (17) that set up.