CN220208374U - Top suction type fire-fighting smoke monitor - Google Patents

Abstract

The utility model discloses a top suction type fire-fighting smoke monitor, which comprises a detector main body and a smoke filtering mechanism, wherein the detector main body comprises a smoke inlet with an opening at the top, the smoke filtering mechanism is arranged at the top of the detector main body and comprises a bottom plate, a mounting ring, an annular filter screen, a filling ring and a connecting member, the bottom plate is positioned at the top of the detector main body, the mounting ring is positioned below the bottom plate, the annular filter screen is arranged between the mounting ring and the bottom plate, the mounting ring and the bottom plate form a hollow cylinder structure with an opening at the lower surface, and the connecting member is arranged between the mounting ring and the detector main body; according to the smoke monitoring device, the detector main body and the smoke filtering mechanism are combined, so that impurities doped in smoke air can be filtered on the premise that the smoke air is not influenced to enter the detector main body for monitoring, the situation that the impurities enter the detector main body and are attached to the surface of a sensor to influence monitoring sensitivity is avoided, and the smoke monitoring effect is improved.

Description

Top suction type fire-fighting smoke monitor

Technical Field

The utility model belongs to the technical field of smoke monitors, and particularly relates to a top suction type fire smoke monitor.

Background

The smoke detector, also called smoke-sensing fire detector, is mainly applied to fire-fighting systems and also applied to security system construction. It is a typical facility for converting space fire-fighting measures into civilian use. Fire prevention is realized mainly by monitoring the concentration of smoke. Whereas smoke detectors typically employ a top-suction mounting method in which the detector is mounted snugly to the ceiling surface with its detection function facing downwardly.

The flocculent impurities in the existing air possibly float and enter the smoke detector through the smoke inlet, the flocculent impurities are adhered to the surface of the sensor in the smoke detector, the impurities in the smoke detector are troublesome to clean, and meanwhile, the contact area and sensitivity of the sensor and the smoke can be affected by more impurities, so that the top suction type fire smoke monitor is provided.

Disclosure of Invention

The utility model aims to provide a top suction type fire smoke monitor, which is used for solving the problem that the sensor in the smoke detector proposed in the background art can be attached by impurities in the air to influence the sensing sensitivity.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a fire control smog monitor is inhaled on top, includes detector main part and smog filtering mechanism, the detector main part includes the smog entry of seting up at the top, smog filtering mechanism installs at detector main part top, smog filtering mechanism includes bottom plate, collar, annular filter screen, packing circle and connecting element, the bottom plate is located detector main part top, the collar is located the bottom plate below and is provided with annular filter screen between the two, and the three forms lower surface open-ended hollow cylinder structure, be provided with connecting element between collar and the detector main part.

Preferably, the connecting member comprises a fixing convex plate, a connecting bolt and a clamping groove, wherein the fixing convex plate is fixed on the outer surface of the mounting ring, a reinforcing rib is arranged between the fixing convex plate and the mounting ring, and the clamping groove is formed in the surface of the main body of the detector.

Preferably, the connecting bolts penetrate through the fixing convex plates to be exposed to the outside, and the inner surface of the mounting ring is fixedly provided with a filling ring.

Preferably, the filling ring is a rubber ring which is contacted with the surface of the detector main body.

Preferably, the outer surface of the detector main body is symmetrically provided with two reinforcing members, each reinforcing member comprises a fixing plate, a mounting screw and a limiting ring, the fixing plates are fixed on the surface of the detector main body, T-shaped holes are formed in the surface of the fixing plates, and the mounting screws are fixed on the mounting surface and the end parts of the mounting screws are located in the T-shaped holes.

Preferably, the limiting ring is installed at the end part of the mounting screw in a screwing mode, and the limiting ring is located in the T-shaped hole.

Preferably, the upper surface of the detector main body is provided with a test key, the smoke sensor is arranged in the detector main body, and the surface of the detector main body is provided with a warning lamp.

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

(1) According to the smoke monitoring device, the detector main body and the smoke filtering mechanism are combined, so that impurities doped in smoke air can be filtered on the premise that the smoke air is not influenced to enter the detector main body for monitoring, the situation that the impurities enter the detector main body and are attached to the surface of a sensor to influence monitoring sensitivity is avoided, and the smoke monitoring effect is improved.

Drawings

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

FIG. 2 is a schematic view of the smoke filter mechanism of the present utility model;

FIG. 3 is a schematic view of the structure of the reinforcement member of the present utility model;

in the figure: 100. a probe body; 101. a smoke inlet; 102. a test key; 200. a smoke filtering mechanism; 201. a bottom plate; 202. a mounting ring; 203. an annular filter screen; 204. a filling ring; 205. a connecting member; 2051. fixing the convex plate; 2052. a connecting bolt; 2053. a clamping groove; 300. a reinforcing member; 301. a fixing plate; 302. installing a screw; 303. and a limiting ring.

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.

Example 1

Referring to fig. 1 and 2, the present utility model provides a technical solution: the utility model provides a top suction type fire control smog monitor, including detector main part 100 and smog filtering mechanism 200, the detector main part 100 includes the smog entry 101 that the top was seted up, make things convenient for air and smog to get into in the detector main part 100 through smog entry 101, smog filtering mechanism 200 installs at detector main part 100 top, smog filtering mechanism 200 can filter the protection to the inside smog air of getting into detector main part 100, avoid flocculent impurity to get into inside the condition of attaching at sensor surface influence detection sensitivity, smog filtering mechanism 200 includes bottom plate 201, collar 202, annular filter screen 203, packing circle 204 and connecting element 205, bottom plate 201 is located detector main part 100 top, collar 202 is located bottom plate 201 below and is provided with annular filter screen 203 between the two, annular filter screen 203 can filter the smog air that gets into, the three forms lower surface open-ended hollow cylinder structure, make things convenient for its detachable cover to establish and install on detector main part 100, be provided with connecting element 205 between collar 202 and the detector main part 100, realize the detachable connection of two.

In this embodiment, preferably, the connection member 205 includes a fixing boss 2051, a connection bolt 2052 and a clamping groove 2053, the connection member 205 can realize detachable connection between the mounting ring 202 and the probe body 100, and is convenient for dismounting, the ring filter 203 is convenient to clean, the fixing boss 2051 is fixed on the outer surface of the mounting ring 202, a reinforcing rib is arranged between the fixing boss and the fixing boss, the clamping groove 2053 is provided on the surface of the probe body 100, the connection bolt 2052 passes through the fixing boss 2051 and is exposed outside, the connection bolt 2052 is detachably screwed with the clamping groove 2053, and the filling ring 204 is fixed on the inner surface of the mounting ring 202.

In this embodiment, the filling ring 204 is preferably a rubber ring that contacts the surface of the probe body 100, and can perform a filling and sealing function between the mounting ring 202 and the probe body 100.

In summary, when in use, the mounting ring 202 is sleeved on the detector main body 100, the filling ring 204 is in extrusion contact with the surface of the detector main body 100, the gap between the filling ring 204 and the detector main body 100 is filled and sealed, the annular filter screen 203 is positioned at the outer side of the smoke inlet 101 until the through holes on the fixed convex plate 2051 are aligned with the clamping grooves 2053, the connecting bolts 2052 penetrate through the fixed convex plate 2051 and are in threaded connection with the clamping grooves 2053, the detachable connection of the annular filter screen 203 is realized, when the detector main body 100 is installed on the ceiling surface in a jacking mode, and when air passes through the annular filter screen 203 and enters the smoke inlet 101, impurities doped in the air are retained on the annular filter screen 203, and the filtered air enters the smoke inlet 101 and contacts with the surface of the smoke sensor, so that the situation that the sensitivity is influenced by the impurities in the air on the surface of the smoke sensor is avoided, and the sensitivity of the smoke sensor to air smoke sensing is improved.

Example 2

Referring to fig. 1-3, a second embodiment of the present utility model is shown, which differs from the previous embodiment.

In this embodiment, preferably, two reinforcing members 300 are symmetrically disposed on the outer surface of the probe body 100, the reinforcing members 300 can increase the installation strength of the probe body 100 and the ceiling, the reinforcing members 300 include a fixing plate 301, a mounting screw 302 and a limiting ring 303, the fixing plate 301 is fixed on the surface of the probe body 100, a T-shaped hole is formed in the surface, the mounting screw 302 is fixed on the mounting surface, the end of the mounting screw 302 is located in the T-shaped hole, the limiting ring 303 is rotatably mounted on the end of the mounting screw 302, the two screws are in threaded connection to enable the fixing plate 301 to be pressed towards the ceiling, the installation strength of the probe body 100 is increased, and the limiting ring 303 is located in the T-shaped hole.

In this embodiment, preferably, the upper surface of the detector main body 100 is provided with a test key 102 for testing the working state of the detector main body 100, the detector main body 100 is internally provided with a smoke sensor, and the surface of the detector main body 100 is provided with a warning lamp.

Although embodiments of the present utility model have been shown and described in detail with reference to the foregoing detailed description, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may 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 (7)

1. The utility model provides a top suction type fire control smog monitor, includes detector main part (100) and smog filtering mechanism (200), detector main part (100) are including smog entry (101) that the top was seted up, its characterized in that: the smoke filtering mechanism (200) is installed at the top of the detector main body (100), the smoke filtering mechanism (200) comprises a bottom plate (201), a mounting ring (202), an annular filter screen (203), a filling ring (204) and a connecting component (205), the bottom plate (201) is located at the top of the detector main body (100), the mounting ring (202) is located below the bottom plate (201) and is provided with the annular filter screen (203) between the bottom plate and the mounting ring, the mounting ring (202) and the detector main body (100) form a hollow cylinder structure with an opening on the lower surface, and the connecting component (205) is arranged between the mounting ring and the detector main body (100).

2. A ceiling fire smoke monitor according to claim 1, wherein: the connecting member (205) comprises a fixing convex plate (2051), a connecting bolt (2052) and a clamping groove (2053), wherein the fixing convex plate (2051) is fixed on the outer surface of the mounting ring (202), reinforcing ribs are arranged between the fixing convex plate and the fixing convex plate, and the clamping groove (2053) is formed in the surface of the detector main body (100).

3. A ceiling fire smoke monitor according to claim 2, wherein: the connecting bolts (2052) penetrate through the fixing convex plates (2051) to be exposed to the outside, and the filling ring (204) is fixed on the inner surface of the mounting ring (202).

4. A ceiling fire smoke monitor according to claim 3, wherein: the filling ring (204) is a rubber ring which is contacted with the surface of the detector main body (100).

5. A ceiling fire smoke monitor according to claim 1, wherein: the detector is characterized in that two reinforcing members (300) are symmetrically arranged on the outer surface of the detector body (100), each reinforcing member (300) comprises a fixing plate (301), a mounting screw (302) and a limiting ring (303), the fixing plates (301) are fixed on the surface of the detector body (100), T-shaped holes are formed in the surface of the fixing plates, and the mounting screws (302) are fixed on the mounting surface, and the end portions of the mounting screws are located in the T-shaped holes.

6. A ceiling fire smoke monitor according to claim 5, wherein: the limiting ring (303) is installed at the end part of the installation screw (302) in a screwing mode, and the limiting ring (303) is located in the T-shaped hole.

7. A ceiling fire smoke monitor according to claim 1, wherein: the detector is characterized in that a test key (102) is arranged on the upper surface of the detector main body (100), a smoke sensor is arranged in the detector main body (100), and a warning lamp is arranged on the surface of the detector main body (100).