Smoke alarm

Abstract

The utility model relates to the field of smoke alarms, in particular to a smoke alarm which comprises an alarm top shell, an alarm bottom shell is arranged below the alarm top shell, a first butt joint groove is formed in the outer surface of the alarm top shell, and a second butt joint groove is formed in the upper surface of the alarm bottom shell. According to the utility model, the dry battery is arranged to supply power to the integrated circuit board, so that the integrated circuit board can cooperate with the smoke sensor to control the loudspeaker to work, thereby giving an alarm. Smoke flowing in all directions can directly enter the alarm top shell through the ventilation openings, so that all the directions are detected, the smoke can be guided through the air guide plate after the smoke enters the alarm top shell, the smoke can flow to the smoke sensor, and the smoke can be detected in all the directions. Therefore, the induction of the smoke sensor is more accurate and rapid, and the sensitivity of the smoke alarm is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of smoke alarms, in particular to a smoke alarm. Background Technique

[0002] A smoke alarm is a device for fire prevention. It monitors the concentration of smoke to prevent fires. Ion-type smoke sensors are usually used inside this device. This is a sensor with advanced technology, stable and reliable operation, and is widely used in various fire alarm systems. Its performance is far superior to that of gas-sensitive resistor-based fire alarms.

[0003] At present, with people's increasing attention to fire safety, smoke alarms are used more and more widely. Although the current smoke alarms can give fire alarms within a certain range during use, there are still some deficiencies during use. For example, it is difficult to detect in all directions during the use process, and in the process of some smoke alarms working, after the smoke enters the inside of the housing, it is difficult to directly flow to the smoke sensor, so that the sensitivity of the smoke alarm is relatively low, resulting in difficulty in timely prompting the user.

[0004] Therefore, a new solution needs to be proposed to solve this problem. Content of the Utility Model

[0005] In view of the deficiencies and defects in the prior art that the sensitivity of the smoke sensor is relatively low and it is difficult to detect in all directions in the above-mentioned background technique.

[0006] The smoke alarm disclosed by the utility model includes an alarm top shell. A bottom shell of the alarm is provided below the alarm top shell. A first docking groove is formed on the outer surface of the alarm top shell. A second docking groove is formed on the upper surface of the bottom shell of the alarm. A set of ventilation openings are formed on the outer surface of the alarm top shell. A set of air guiding plates are fixedly connected to the inner top wall of the alarm top shell. A connecting seat is fixedly connected to the inner top wall of the alarm top shell. A smoke sensor is clamped in the inner wall of the connecting seat. An integrated circuit board is clamped in the inner wall of the bottom shell of the alarm. A loudspeaker is fixedly connected to the bottom surface of the bottom shell of the alarm. A set of first clamping members are fixedly connected to the upper surface of the alarm top shell. A second clamping member is clamped in the inner wall of each first clamping member. The bottom surface of each second clamping member is fixedly connected to the inner bottom wall of the bottom shell of the alarm. A battery compartment is fixedly connected to the inner bottom wall of the bottom shell of the alarm. A dry battery is clamped in the inner wall of the battery compartment.

[0007] Further, a cover plate is provided below the bottom shell of the alarm, and the cover plate is clamped with the bottom shell of the alarm.

[0008] Further, an installation seat is provided above the top shell of the alarm, and a group of anti-slip pads are fixedly connected to the upper surface of the installation seat. A group of installation holes are provided on the upper surface of the installation seat.

[0009] Further, a group of clamping grooves are provided on the upper surface of the installation seat, and a clamping plate is clamped on the inner wall of each clamping groove. The bottom surface of each clamping plate is fixedly connected to the upper surface of the top shell of the alarm.

[0010] Further, an indicator light is fixedly connected to the bottom surface of the bottom shell of the alarm, and a group of through holes are provided on the bottom surface of the bottom shell of the alarm.

[0011] Further, a positioning ring is sleeved on the outer surface of the speaker, and the bottom surface of the positioning ring is fixedly connected to the inner bottom wall of the bottom shell of the alarm.

[0012] Further, a test button is installed on the inner wall of the bottom shell of the alarm, and the control end of the test button extends to the inside of the bottom shell of the alarm.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] 1. The present utility model can supply power to the integrated circuit board through the provided dry battery, enabling the integrated circuit board to cooperate with the smoke sensor to control the speaker to work, thereby being able to issue a warning. The ventilation openings can allow the smoke flowing in all directions to directly enter the interior of the top shell of the alarm, so as to detect in all directions. And by providing a wind guide plate, after the smoke enters the interior of the top shell of the alarm, the smoke can be guided so that the smoke can flow towards the smoke sensor, thereby making the smoke sensor more accurate and rapid in sensing and increasing the sensitivity of the smoke alarm.

[0015] 2. The present utility model can cooperate with the integrated circuit board to control the speaker to work through the provided detection button, thereby testing whether the smoke alarm works normally. The installation holes can be used to install the installation seat on the wall, and the cooperation of the clamping blocks and the clamping grooves can facilitate the disassembly of the top shell of the alarm, and then the top shell and the bottom shell of the alarm can be removed for internal maintenance, and it is convenient to install the top shell and the bottom shell of the alarm. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present application and form a part of the present application. The illustrative embodiments and descriptions thereof of the present application are used to explain the present application and do not constitute an improper limitation of the present application. In the drawings:

[0017] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0018] Figure 2This is a three-dimensional structural schematic diagram of the bottom view of the utility model;

[0019] Figure 3 This is a three-dimensional structural schematic diagram of the bottom shell of the alarm of the utility model;

[0020] Figure 4 This is a three-dimensional structural schematic diagram of the top shell of the alarm of the utility model.

[0021] In the figure: 1. Top shell of the alarm; 2. Clamping plate; 3. Card slot; 4. Mounting seat; 5. Anti-slip pad; 6. Ventilation opening; 7. Bottom shell of the alarm; 8. Cover plate; 9. Mounting hole; 10. Through hole; 11. Indicator light; 12. Test button; 13. Second clamping part; 14. Second docking groove; 15. Positioning ring; 16. Speaker; 17. Dry battery; 18. Battery compartment; 19. Smoke sensor; 20. Connection seat; 21. Integrated circuit board; 22. First clamping part; 23. Air guide plate; 24. First docking groove. Specific embodiments

[0022] The following will disclose multiple embodiments of the present utility model in the form of diagrams. For the sake of clear illustration, many physical details will be described together in the following narrative. However, it should be understood that these physical details are not used to limit the present utility model. That is to say, in some embodiments of the present utility model, these physical details are not necessary. In addition, for the sake of simplifying the diagrams, some conventional structures and components will be shown in a simple schematic manner in the diagrams.

[0023] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 , the smoke alarm of the present utility model includes a top shell 1 of the alarm. Above the top shell 1 of the alarm, there is a mounting seat 4. On the upper surface of the mounting seat 4, a group of anti-slip pads 5 are fixedly connected. On the upper surface of the mounting seat 4, a group of mounting holes 9 are opened. Through the mounting holes 9, the mounting seat 4 can be fixed on the wall surface. On the upper surface of the mounting seat 4, a group of card slots 3 are opened. The inner wall of each card slot 3 is clamped with a clamping plate 2.

[0024] The bottom surface of each clamping plate 2 is fixedly connected to the upper surface of the top shell 1 of the alarm. Through the clamping plate 2 and the card slot 3, the top shell 1 of the alarm can be quickly connected to the mounting seat 4. Below the top shell 1 of the alarm, there is a bottom shell 7 of the alarm. On the outer surface of the top shell 1 of the alarm, a first docking groove 24 is opened. On the upper surface of the bottom shell 7 of the alarm, a second docking groove 14 is opened. Through the first docking groove 24 and the second docking groove 14, the docking part between the top shell 1 of the alarm and the bottom shell 7 of the alarm can be made more stable, preventing the top shell 1 of the alarm and the bottom shell 7 of the alarm from being misaligned.

[0025] A set of ventilation openings 6 are provided on the outer surface of the top shell 1 of the alarm. A set of air guide plates 23 are fixedly connected to the inner top wall of the top shell 1 of the alarm. Through the ventilation openings 6, smoke in all directions can enter the interior of the top shell 1 of the alarm. In cooperation with the air guide plates 23, the smoke can flow towards the smoke sensor 19. A connecting seat 20 is fixedly connected to the inner top wall of the top shell 1 of the alarm. The smoke sensor 19 is clamped inside the inner wall of the connecting seat 20. Through the smoke sensor 19, the smoke entering the interior of the top shell 1 of the alarm can be sensed.

[0026] An integrated circuit board 21 is clamped inside the inner wall of the bottom shell 7 of the alarm. The integrated circuit board 21 is used to receive the signals sent by the smoke sensor 19. A loudspeaker 16 is fixedly connected to the bottom surface of the bottom shell 7 of the alarm. The integrated circuit board 21 controls the loudspeaker 16 to be able to emit an alarm. A set of first clamping parts 22 are fixedly connected to the upper surface of the top shell 1 of the alarm. The inner wall of each first clamping part 22 is clamped with a second clamping part 13. The bottom surface of each second clamping part 13 is fixedly connected to the inner bottom wall of the bottom shell 7 of the alarm.

[0027] A battery compartment 18 is fixedly connected to the inner bottom wall of the bottom shell 7 of the alarm. A dry battery 17 is clamped inside the inner wall of the battery compartment 18. Through the battery compartment 18, the dry battery 17 can be stored, enabling the dry battery 17 to supply power to the device. A cover plate 8 is provided below the bottom shell 7 of the alarm. The cover plate 8 is clamped with the bottom shell 7 of the alarm. Through the cover plate 8, the battery compartment 18 can be sealed to prevent the dry battery 17 from falling off.

[0028] In this embodiment, a test button 12 is installed on the inner wall of the bottom shell 7 of the alarm. The control end of the test button 12 extends into the interior of the bottom shell 7 of the alarm. Through the test button 12, the integrated circuit board 21 can be used to test whether the device is working properly, ensuring that the device can emit an alarm during use.

[0029] In order to prevent the loudspeaker 16 from sliding during long-term use, a positioning ring 15 is sleeved on the outer surface of the loudspeaker 16. The bottom surface of the positioning ring 15 is fixedly connected to the inner bottom wall of the bottom shell 7 of the alarm. Through the positioning ring 15, the loudspeaker 16 can be positioned to prevent the loudspeaker 16 from shaking.

[0030] In this embodiment, an indicator light 11 is fixedly connected to the bottom surface of the bottom shell 7 of the alarm. A set of through holes 10 are provided on the bottom surface of the bottom shell 7 of the alarm. Through the indicator light 11, whether the power is on can be displayed, so as to facilitate the user to understand the device status.

[0031] The above are only the embodiments of the present invention and are not used to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the scope of the claims of the present invention.

Claims

1. A smoke alarm, comprising an alarm top shell (1), characterized in that: An alarm bottom shell (7) is provided below the alarm top shell (1); a first docking groove (24) is provided on the outer surface of the alarm top shell (1); a second docking groove (14) is provided on the upper surface of the alarm bottom shell (7); a group of vents (6) are provided on the outer surface of the alarm top shell (1); a group of air guide plates (23) are fixedly connected to the inner top wall of the alarm top shell (1); a connecting seat (20) is fixedly connected to the inner top wall of the alarm top shell (1); a smoke sensor (19) is clamped on the inner wall of the connecting seat (20); and the alarm An integrated circuit board (21) is clamped on the inner wall of the alarm bottom shell (7); a speaker (16) is fixedly connected to the bottom surface of the alarm bottom shell (7); a group of first clamps (22) are fixedly connected to the upper surface of the alarm top shell (1); the inner wall of each of the first clamps (22) is clamped on a second clamp (13); the bottom surface of each of the second clamps (13) is fixedly connected to the inner bottom wall of the alarm bottom shell (7); the inner bottom wall of the alarm bottom shell (7) is fixedly connected to a battery compartment (18); and the inner wall of the battery compartment (18) is clamped on a dry cell (17).

2. The smoke alarm according to claim 1, characterized in that: A cover plate (8) is provided below the alarm bottom shell (7), and the cover plate (8) is snap-connected with the alarm bottom shell (7).

3. The smoke alarm according to claim 1, characterized in that: A mounting seat (4) is provided above the alarm top shell (1), a group of anti-slip pads (5) are fixedly connected to the upper surface of the mounting seat (4), and a group of mounting holes (9) are opened on the upper surface of the mounting seat (4).

4. The smoke alarm according to claim 3, characterized in that: A group of card slots (3) are provided on the upper surface of the mounting seat (4), the inner wall of each card slot (3) is card-engaged with a card plate (2), and the bottom surface of each card plate (2) is fixedly connected to the upper surface of the alarm top shell (1).

5. The smoke alarm according to claim 1, characterized in that: An indicator light (11) is fixedly connected to the bottom surface of the alarm bottom shell (7), and a group of through holes (10) are opened on the bottom surface of the alarm bottom shell (7).

6. The smoke alarm according to claim 1, characterized in that: The outer surface of the loudspeaker (16) is sleeved with a positioning ring (15), and the bottom surface of the positioning ring (15) is fixedly connected to the inner bottom wall of the alarm bottom shell (7).

7. The smoke alarm according to claim 1, characterized in that: A test button (12) is installed on the inner wall of the alarm bottom shell (7), and a control end of the test button (12) extends to the interior of the alarm bottom shell (7).

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