A smoke detector with broadcast function

Abstract

This utility model discloses a smoke detector with a broadcast function, including a pre-embedded box. A wall is provided on the outer side of the pre-embedded box, and a partition is provided in the middle of the pre-embedded box. A first wiring conduit is connected through one side of the pre-embedded box, and a second wiring conduit is connected through the other side. The smoke detector with a broadcast function has a partition, which can separate different voltage levels. The fire alarm bus is connected to the smoke detector through the second wiring conduit, and the broadcast line is connected to the broadcast module through the first wiring conduit. After the equipment base is installed, the detector module and the broadcast module are installed separately, combining the detector module and the broadcast module for installation. This reduces the amount of construction and design work for pipelines, optimizes costs, and avoids the separate installation of the smoke detector and fire broadcast system, which would increase the number of openings for electrical points on the decorative ceiling and result in a poor aesthetic effect.

Description

Technical Field

[0001] This utility model relates to the field of smoke detector technology, and in particular to a smoke detector with broadcast function. Background Technology

[0002] Fire is an extremely dangerous disaster in all kinds of places. Early detection of fire is crucial for evacuation and reducing property damage. Smoke is one of the most common phenomena in the early stages of a fire. Therefore, the development of equipment that can quickly and accurately detect smoke has become an important need in the field of fire safety. Smoke detectors have emerged in this context, aiming to provide timely and reliable information for fire early warning. At the same time, the use of smoke detectors also requires fire broadcasts to provide reminders.

[0003] Smoke detectors and fire alarm systems are installed separately, which increases the number of openings for electrical points on the ceiling and results in a poor aesthetic appearance. Therefore, a smoke detector with a built-in alarm function is needed. Utility Model Content

[0004] The purpose of this utility model is to provide a smoke detector with a broadcast function, which solves the problem in the prior art that the smoke detector and the fire broadcast are installed separately, which leads to an increase in the number of openings for electrical points on the decorative ceiling and a poor aesthetic effect.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a smoke detector with a broadcast function, comprising a pre-embedded box, a wall provided on the outer side of the pre-embedded box, a partition provided in the middle of the pre-embedded box, a first wiring conduit connected through one side of the pre-embedded box, a second wiring conduit connected through the other side of the pre-embedded box, a device base provided on the lower side of the pre-embedded box, a detector module provided on the lower side of the device base, a broadcast module provided on one side of the detector module, a smoke intake port provided on the lower wall of the detector module, and an indicator light provided on the upper side of the smoke intake port.

[0006] Preferably, the broadcast module includes a magnetic clamp plate, a permanent magnet is clamped in the middle of the magnetic clamp plate, a field core column is provided on one side of the magnetic clamp plate, a voice coil is fitted on the outside of the field core column, a lead wire is connected to one side of the voice coil, a metal frame is provided on the side wall of the broadcast module, a centering support is provided on one side of the metal frame, a dust cover is provided on one side of the centering support, a paper cone is provided on the outside of the dust cover, and a pressing edge is provided on one side of the paper cone.

[0007] Preferably, the first wiring conduit and the second wiring conduit are located on the same straight line, and the first wiring conduit and the second wiring conduit are symmetrically distributed about the center line of the partition.

[0008] Preferably, the device base forms a detachable structure with the wall through a pre-embedded box, and the broadcast module forms a fixed structure with the detector module through the device base.

[0009] Preferably, copper wire is wound around the outside of the voice coil, and one end of the lead wire is connected to the voice coil, while the other end is connected to the broadcast signal line.

[0010] Compared with the prior art, the beneficial effects of this utility model are:

[0011] 1. This smoke detector with broadcast function is equipped with a partition, which can separate different voltage levels. The fire alarm bus is connected to the smoke detector through the second wiring conduit, and the broadcast line is connected to the broadcast module through the first wiring conduit. After the equipment base is installed, the detector module and the broadcast module are installed separately. The detector module and the broadcast module are installed together to reduce the amount of construction and design pipeline engineering, optimize costs, and avoid the separate installation of smoke detector and fire broadcast, which would increase the number of openings for electrical points on the decorative ceiling and result in poor aesthetics.

[0012] 2. This smoke detector with broadcast function is equipped with a paper cone and a dust cover. The paper cone can be made of fiber paper, polypropylene, or composite materials, taking into account both lightweight and rigidity. The voice coil can drive the paper cone to vibrate, pushing air to generate sound waves. The dust cover can cover the top of the voice coil to prevent dust from entering the magnetic gap and partially participating in high-frequency vibration, thus increasing service life. The edge pressing treatment allows the edge of the paper cone to be flexibly connected to the frame through rubber or foam edges, allowing large amplitude vibration and sealing. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the detector installation cross-section structure of a smoke detector with broadcast function proposed in this utility model.

[0014] Figure 2 This is a three-dimensional structural diagram of a smoke detector with broadcast function proposed in this utility model;

[0015] Figure 3 This is a bottom-view structural diagram of a smoke detector with broadcasting function proposed in this utility model.

[0016] In the diagram: 1. Embedded box; 2. Partition; 3. First wiring conduit; 4. Second wiring conduit; 5. Wall; 6. Detector module; 7. Equipment base; 8. Magnetic guide plate; 9. Permanent magnet; 10. Field core column; 11. Voice coil; 12. Lead wire; 13. Metal frame; 14. Centering support; 15. Dust cover; 16. Paper cone; 17. Edge pressing; 18. Indicator light; 19. Smoke intake; 20. Broadcast module. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Example 1

[0019] like Figure 1 , Figure 2 and Figure 3 As shown in the figure, a smoke detector with a broadcast function includes a pre-embedded box 1. A wall 5 is provided on the outside of the pre-embedded box 1. A partition 2 is provided in the middle of the pre-embedded box 1. A first wiring conduit 3 is connected through one side of the pre-embedded box 1, and a second wiring conduit 4 is connected through the other side of the pre-embedded box 1. An equipment base 7 is provided on the lower side of the pre-embedded box 1. A detector module 6 is provided on the lower side of the equipment base 7. A broadcast module 20 is provided on one side of the detector module 6. A smoke inlet 19 is provided on the lower wall of the detector module 6. An indicator light 18 is provided on the upper side of the smoke inlet 19. The detector module 6 is a mature existing technology and will not be described in detail in this article.

[0020] The first wiring conduit 3 and the second wiring conduit 4 are located on the same straight line, and the first wiring conduit 3 and the second wiring conduit 4 are symmetrically distributed about the center line of the partition 2. First, the first wiring conduit 3, the second wiring conduit 4, and the pre-embedded box 1 are pre-embedded and installed, and then the equipment base 7 is installed.

[0021] The equipment base 7 forms a detachable structure with the wall 5 through the pre-embedded box 1, and the broadcast module 20 forms a fixed structure with the detector module 6 through the equipment base 7. Different voltage levels can be separated by the partition 2 in the middle. The fire alarm bus is connected to the smoke detector through the second wiring conduit 4, and the broadcast line is connected to the broadcast module 20 through the first wiring conduit 3. After the equipment base 7 is installed, the detector module 6 and the broadcast module 20 are installed separately, and the detector module 6 and the broadcast module 20 are installed together.

[0022] Example 2

[0023] like Figure 1 , Figure 2 and Figure 3As shown, this embodiment further illustrates Example 1. The broadcast module 20 includes a magnetic clamping plate 8 inside, with a permanent magnet 9 clamped in the middle of the magnetic clamping plate 8. A field core column 10 is provided on one side of the magnetic clamping plate 8, and a voice coil 11 is fitted around the field core column 10. A lead wire 12 is connected to one side of the voice coil 11. A metal frame 13 is provided on the side wall of the broadcast module 20. A centering support plate 14 is provided on one side of the metal frame 13. A dust cover 15 is provided on one side of the centering support plate 14. A paper cone 16 is provided on the outside of the dust cover 15. A pressing edge 17 is provided on one side of the paper cone 16.

[0024] Copper wire is wound around the outside of the voice coil 11, and one end of the lead wire 12 is connected to the voice coil 11, and the other end is connected to the broadcast signal line. The magnetic clamp 8 forms part of the magnetic circuit, guiding the magnetic field lines to concentrate through the gap of the voice coil 11, thereby enhancing the magnetic field efficiency. The magnetic clamp 8 can be made of high-permeability soft iron or silicon steel sheet. The field core column 10 is located at the center of the permanent magnet 9, forming a uniform annular magnetic gap with the magnetic clamp 8, concentrating the magnetic field on the voice coil 11. The metal frame 13 supports all components, including the magnetic circuit, the paper cone 16, and the centering support 14. It needs to be high-strength and anti-resonance. The paper cone 16 can be made of fiber paper, polypropylene, or composite materials, taking into account both lightweight and rigidity. The voice coil 11 can drive the paper cone 16 to vibrate, pushing the air to generate sound waves. The dust cover 15 can cover the top of the voice coil 11 to prevent dust from entering the magnetic gap and partially participating in high-frequency vibration, increasing service life. The edge pressing 17 treatment allows the edge of the paper cone 16 to be flexibly connected to the frame through rubber or foam edges, allowing large-amplitude vibration and sealing.

[0025] Working principle: First, the staff needs to separate different voltage levels through the partition 2 in the middle. The fire alarm bus is connected to the smoke detector through the second wiring conduit 4, and the broadcast line is connected to the broadcast module 20 through the first wiring conduit 3. After the equipment base 7 is installed, the detector module 6 and the broadcast module 20 are installed separately and then combined. The principle of the broadcast module 20 is that when the broadcast signal (audio current) passes through the voice coil 11, it generates a Lorentz force in the magnetic field of the permanent magnet 9. The change in the direction of the current causes the voice coil 11 to reciprocate, which drives the paper cone 16 to vibrate. The vibration of the paper cone 16 compresses the air and generates sound waves with varying density. The frequency is consistent with the audio signal. The centering support 14 and the pressing edge 17 ensure the linear movement of the voice coil 11 and reduce distortion. The symmetry of the magnetic circuit ensures the uniformity of the magnetic field.

[0026] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[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 smoke detector with broadcast function, comprising a pre-embedded box (1), characterized in that: The pre-embedded box (1) is provided with a wall (5) on its outer side, and a partition (2) is provided in the middle of the pre-embedded box (1). A first wiring pipe (3) is connected through one side of the pre-embedded box (1), and a second wiring pipe (4) is connected through the other side of the pre-embedded box (1). An equipment base (7) is provided on the lower side of the pre-embedded box (1), and a detector module (6) is provided on the lower side of the equipment base (7). A broadcast module (20) is provided on one side of the detector module (6). A smoke inlet (19) is provided on the lower wall of the detector module (6), and an indicator light (18) is provided on the upper side of the smoke inlet (19).

2. A smoke detector with broadcast function according to claim 1, characterized in that: The broadcast module (20) includes a magnetic clamp plate (8) inside, with a permanent magnet (9) clamped in the middle of the magnetic clamp plate (8). A field core column (10) is provided on one side of the magnetic clamp plate (8), and a voice coil (11) is fitted on the outside of the field core column (10). A lead wire (12) is connected to one side of the voice coil (11). A metal frame (13) is provided on the side wall of the broadcast module (20). A centering support plate (14) is provided on one side of the metal frame (13). A dust cover (15) is provided on one side of the centering support plate (14). A paper cone (16) is provided on the outside of the dust cover (15). A pressing edge (17) is provided on one side of the paper cone (16).

3. A smoke detector with broadcast function according to claim 1, characterized in that: The first wiring conduit (3) and the second wiring conduit (4) are located on the same straight line, and the first wiring conduit (3) and the second wiring conduit (4) are symmetrically distributed about the center line of the partition (2).

4. A smoke detector with broadcast function according to claim 1, characterized in that: The equipment base (7) forms a detachable structure with the wall (5) through the pre-embedded box (1), and the broadcast module (20) forms a fixed structure with the detector module (6) through the equipment base (7).

5. A smoke detector with broadcast function according to claim 2, characterized in that: The outer side of the voice coil (11) is wound with copper wire, and one end of the lead wire (12) is connected to the voice coil (11), and the other end is connected to the broadcast signal line.

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