Self-cleaning fire-fighting weak-current smoke alarm device

Abstract

The utility model discloses a self-cleaning type fire-fighting weak-current smoke alarm device, which relates to the field of smoke sensing alarms, and comprises a base, a plurality of cavities are distributed on the top surface of the base in a latticed manner, and the cavities ensure the strength of the base and save the consumption of consumables for manufacturing the base at the same time; when the self-cleaning type fire-fighting weak-current smoke alarm device is maintained, the dustproof filter screen is directly pulled out from the rubber connecting ring, so that the bulge is separated from the annular groove, the sleeve part is inserted into the rubber connecting ring during installation, and a connecting structure between the dustproof filter screen and the base is greatly simplified compared with a traditional technology; the production process is simplified, meanwhile, disassembly and assembly in the follow-up maintenance process are facilitated, and the efficiency is greatly improved.

Description

Technical Field

[0001] This utility model relates to the field of smoke detectors, and in particular to a self-cleaning fire-fighting low-voltage smoke alarm device. Background Technology

[0002] Traditional smoke detectors, with their open design, are prone to letting in dust and insects. Improved models use a spring-loaded mesh cover with a vibrating motor inside, providing both insect and dust protection and a self-cleaning function. However, this design suffers from a complex connection between the mesh cover and the base, making disassembly and maintenance difficult. The complex mechanical connections not only increase manufacturing complexity but also necessitate repeated disassembly with specialized tools during maintenance, impacting equipment upkeep efficiency. Utility Model Content

[0003] To overcome the shortcomings of existing technologies, the purpose of this utility model is to provide a self-cleaning fire-fighting low-voltage smoke alarm device that ensures the dust filter can achieve a high-frequency vibration self-cleaning effect while solving the problem of overly complicated connection between the dust filter and the base in traditional technologies, making disassembly and assembly inconvenient.

[0004] To address the problems in the existing technology, the technical solution of this utility model is as follows:

[0005] A self-cleaning fire-fighting low-voltage smoke alarm device includes a base, a smoke detection alarm module installed at the center of the bottom surface of the base, a rubber connecting ring detachably fixed to the bottom surface of the base, a dust filter screen detachably inserted into the inner wall of the lower end of the rubber connecting ring, the smoke detection alarm module being covered in the space enclosed by the base, the rubber connecting ring and the dust filter screen, and a vibration module fixed to the inner wall of the dust filter screen.

[0006] Optionally, the top surface of the base has multiple cavities distributed in a grid pattern. The cavities ensure the strength of the base while saving the amount of materials used in manufacturing the base. Multiple mounting ears are formed at equal angles on the circumferential sidewalls of the base. When the base is installed on the ceiling, screws are passed through the mounting ears to complete the fixation.

[0007] Optionally, the top of the rubber connecting ring has a horizontally outwardly extending abutting ring, and a fixing ring is provided on the bottom surface opposite the abutting ring. The fixing ring is sleeved on the outside of the rubber connecting ring and is fixed to the base by bolts, clamping the abutting ring between the fixing ring and the base.

[0008] Optionally, the fixing ring is provided with a plurality of first through holes at equal angular intervals, the abutting ring is provided with a second through hole at the position opposite to the first through hole, and the base is provided with a threaded hole at the position opposite to the second through hole. The bolt passes through the first through hole, the second through hole and the threaded hole in sequence to connect with the threaded hole, thereby fixing the rubber abutting ring on the base and making the top surface of the abutting ring tightly fit the surface of the base.

[0009] Optionally, the upper part of the dust filter is a sleeve part, and the lower part is a hemispherical shell part. The sleeve part is detachably inserted into the rubber connecting ring. An annular groove is formed in the middle of the inner wall of the rubber connecting ring, and an annular protrusion is formed on the outer wall of the sleeve part. The protrusion abuts against the inner wall of the annular groove. The cross-section of the protrusion and the cross-section of the annular groove are both semi-circular, which allows the dust filter to be quickly separated from the rubber connecting ring. This facilitates the maintenance of the vibration module and the smoke detection alarm module, saves disassembly and assembly steps, and improves disassembly and assembly speed and maintenance efficiency.

[0010] Optionally, an installation sleeve is fixed in the middle of the inner wall of the hemispherical shell. The vibration module is a vibration motor that is interference-fitted into the installation sleeve. By controlling the operation of the vibration motor, the dust filter is vibrated. Since the dust filter and the base are softly connected by a rubber connecting ring, the dust filter can vibrate at high frequency, causing the mosquitoes or dust attached to its outer surface to peel off, thus achieving a self-cleaning effect.

[0011] Compared with the prior art, the advantages of this utility model are as follows:

[0012] This invention utilizes a rubber connecting ring to achieve a flexible connection between the dust filter and the base. This ensures that when the vibration motor is working, the protective filter can vibrate to a certain amplitude, thereby removing dust and insects attached to its outer wall and achieving a self-cleaning effect. Simultaneously, the connection between the dust filter and the base is facilitated by the rubber connecting ring. When maintenance is required, the dust filter can be directly pulled out of the rubber connecting ring, allowing the protrusion to disengage from the annular groove. For installation, the sleeve is simply inserted into the rubber connecting ring. Compared to traditional technologies, the connection structure between the dust filter and the base is significantly simplified, the production process is streamlined, and subsequent maintenance and disassembly are facilitated, greatly improving efficiency. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0014] Figure 2 This is a schematic diagram of the base bottom structure of this utility model.

[0015] Figure 3 This is an exploded view of the present invention.

[0016] Figure 4 This is a schematic diagram showing the position of the mounting sleeve of this utility model.

[0017] Reference numerals: 1. Base; 101. Cavity; 102. Mounting ear; 2. Smoke detection alarm module; 3. Rubber connecting ring; 4. Anchoring ring; 5. Fixing ring; 6. First through hole; 7. Second through hole; 8. Threaded hole; 9. Bolt; 10. Dust filter; 1001. Sleeve part; 1002. Hemispherical shell part; 11. Annular groove; 12. Protrusion; 13. Mounting sleeve; 14. Vibration motor. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0019] Please see Figures 1 to 4 This embodiment provides a self-cleaning fire-fighting low-voltage smoke alarm device, including a base 1. The top surface of the base 1 has multiple cavities 101 distributed in a grid pattern. The cavities 101 ensure the strength of the base 1 while saving the amount of materials used in manufacturing the base 1. Multiple mounting ears 102 are formed at equal angles on the circumferential side wall of the base 1. When the base 1 is installed on the ceiling, screws are passed through the mounting ears 102 to complete the fixation.

[0020] A smoke detection alarm module 2 is installed at the center of the bottom surface of the base 1. The smoke detection alarm module 2 is a mature existing technology, so it will not be described in detail again, but only briefly. It mainly includes a control circuit board, on which a battery box and a smoke sensor are installed to realize the detection of smoke. After detecting smoke, the signal is sent to the fire protection network.

[0021] A rubber connecting ring 3 is detachably fixed to the bottom surface of the base 1. A horizontally extending abutting ring 4 is formed on the top of the rubber connecting ring 3. A fixing ring 5 is provided on the bottom surface opposite the abutting ring 4. The fixing ring 5 is sleeved on the outside of the rubber connecting ring 3. The fixing ring 5 is fixed to the base 1 by bolts 9, and the abutting ring 4 is clamped between the fixing ring 5 and the base 1. When assembling the rubber connecting ring 3, the fixing ring 5 is sleeved into the rubber connecting ring 3, and then the abutting ring 4 is brought into contact with the bottom surface of the base 1.

[0022] The fixing ring 5 has multiple first through holes 6 at equal angles. The clamping ring 4 has a second through hole 7 at the position opposite to the first through hole 6. The base 1 has a threaded hole 8 at the position opposite to the second through hole 7. After the clamping ring 4 contacts the bottom surface of the base 1, the bolt 9 is then threaded through the first through hole 6, the second through hole 7 and the threaded hole 8 in sequence to fix the rubber clamping ring 4 on the base 1.

[0023] The inner wall of the lower end of the rubber connecting ring 3 is provided with a dust filter 10. The upper part of the dust filter 10 is a sleeve part 1001 and the lower part is a hemispherical shell part 1002. The sleeve part 1001 is inserted into the rubber connecting ring 3. An annular groove 11 is formed in the middle of the inner wall of the rubber connecting ring 3. An annular protrusion 12 is formed on the outer wall of the sleeve part 1001. The protrusion 12 abuts against the inner wall of the annular groove 11. The cross-section of the protrusion 12 and the cross-section of the annular groove 11 are both semi-circular. When assembling the entire alarm, first insert the sleeve part 1001 of the dust filter 10 into the rubber connecting ring 3 so that the protrusion 12 abuts against the inner wall of the annular groove 11. Then fix the rubber connecting ring 3 on the base 1 to complete the assembly.

[0024] In subsequent maintenance, the dust filter 10 can be removed by simply pulling it down. During installation, the sleeve part 1001 is inserted into the rubber connecting ring 3 to complete the installation work. This allows the dust filter 10 to be quickly separated from the rubber connecting ring 3, which facilitates the maintenance of the vibration module and the smoke detection alarm module 2, reduces disassembly and assembly steps, and improves disassembly and assembly speed and maintenance efficiency.

[0025] An installation sleeve 13 is fixed in the middle of the inner wall of the hemispherical shell 1002. A vibration motor 14 is inserted into the installation sleeve 13. By controlling the operation of the vibration motor 14, the dust filter 10 is vibrated. Since the dust filter 10 and the base 1 are softly connected by the rubber connecting ring 3, the dust filter 10 can vibrate at high frequency, causing the mosquitoes or dust attached to its outer surface to be peeled off, thus achieving a self-cleaning effect.

[0026] In summary, this utility model achieves a soft connection between the dust filter 10 and the base 1 through the rubber connecting ring 3, so that the protective filter can vibrate at a high frequency and a small amplitude when the vibration motor 14 is working, thus achieving a self-cleaning effect. While retaining the self-cleaning effect, the structure of the entire alarm is simplified, and the assembly process is also simplified, which greatly reduces the disassembly and assembly steps in the subsequent maintenance process and improves the disassembly and assembly efficiency.

[0027] Although embodiments of the present invention 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 to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A self-cleaning fire-fighting low-voltage smoke alarm device, comprising a base (1), wherein a smoke detection alarm module (2) is installed at the center of the bottom surface of the base (1), characterized in that, The bottom surface of the base (1) is detachably fixed with a rubber connecting ring (3), and a dust filter (10) is detachably inserted into the inner wall of the lower end of the rubber connecting ring (3). The smoke detection alarm module (2) is covered in the space enclosed by the base (1), the rubber connecting ring (3) and the dust filter (10). A vibration module is fixed to the inner wall of the dust filter (10).

2. The self-cleaning fire-fighting low-voltage smoke alarm device according to claim 1, characterized in that, The top surface of the base (1) has multiple cavities (101) distributed in a grid pattern.

3. The self-cleaning fire-fighting low-voltage smoke alarm device according to claim 2, characterized in that, The base (1) has multiple mounting ears (102) spaced at equal angles on its circumferential sidewall.

4. The self-cleaning fire-fighting low-voltage smoke alarm device according to claim 1, characterized in that, The top of the rubber connecting ring (3) has a horizontally extending outward abutting ring (4), and a fixing ring (5) is provided on the bottom surface opposite the abutting ring (4). The fixing ring (5) is sleeved on the outside of the rubber connecting ring (3), and the fixing ring (5) is fixed to the base (1) by bolts (9), clamping the abutting ring (4) between the fixing ring (5) and the base (1).

5. The self-cleaning fire-fighting low-voltage smoke alarm device according to claim 4, characterized in that, The fixing ring (5) has multiple first through holes (6) spaced at equal angles. The clamping ring (4) has a second through hole (7) located opposite the first through hole (6). The base (1) has a threaded hole (8) located opposite the second through hole (7). The bolt (9) passes through the first through hole (6), the second through hole (7) and the threaded hole (8) in sequence for threaded connection.

6. The self-cleaning fire-fighting low-voltage smoke alarm device according to claim 4, characterized in that, The upper part of the dust filter (10) is a sleeve part (1001), and the lower part is a hemispherical shell part (1002). The sleeve part (1001) is detachably inserted into the rubber connecting ring (3).

7. The self-cleaning fire-fighting low-voltage smoke alarm device according to claim 6, characterized in that, An annular groove (11) is formed in the middle of the inner wall of the rubber connecting ring (3), and an annular protrusion (12) is formed on the outer wall of the sleeve part (1001), with the protrusion (12) abutting against the inner wall of the annular groove (11).

8. The self-cleaning fire-fighting low-voltage smoke alarm device according to claim 7, characterized in that, The cross-sections of the protrusion (12) and the annular groove (11) are both semi-circular.

9. The self-cleaning fire-fighting low-voltage smoke alarm device according to claim 6, characterized in that, A mounting sleeve (13) is fixed in the middle of the inner wall of the hemispherical shell (1002), and the vibration module is a vibration motor (14) that is interference-fitted into the mounting sleeve (13).

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