Fire-fighting smoke sensing device

Abstract

The utility model relates to the technical field of fire-fighting smoke sensing, and discloses a fire-fighting smoke sensing device which comprises a shell, a mounting device is arranged at the top of the shell, an adjusting device is arranged at the bottom of the shell, and the mounting device comprises a placing ring piece, a connecting box piece, an air pump, a conveying air pipe, a placing cylinder, an adsorption pad, an adsorption pipe piece and a hollow ring piece. The placing ring piece is fixedly connected to the top of the shell, the connecting box piece is fixedly connected to the top of the placing ring piece, and the air pump is fixedly connected to the interior of the connecting box piece. According to the fire-fighting smoke sensing device, the mounting device is arranged, the adsorption pad is flush with the adsorption pipe fitting in height, the purpose of buffering is achieved during adsorption attachment, the situation that the whole device makes contact with a ceiling and is damaged due to friction in the adsorption mounting process is avoided, bolt mounting can be avoided in the mounting process, and labor is saved; and in addition, only the air pump needs to be closed during installation, and the air pump can be conveniently detached for cleaning after being used for a long time.

Description

Technical Field

[0001] The utility model relates to the technical field of fire-fighting smoke sensing, in particular to a fire-fighting smoke sensing device. Background Art

[0002] In recent years, many safety accidents have occurred due to fires, causing serious losses. In terms of defense, fire detection tools have played a very important role. Among fire detection tools, temperature-sensitive smoke detection devices can detect temperature and smoke concentration, so it is necessary to provide a temperature-sensitive smoke detection device for fire detection.

[0003] The prior art discloses a temperature-sensing and smoke-sensing fire detection device with the publication number of CN115662045A, which relates to the technical field of fire detection devices, including a fire-sensing detector body, the fire-sensing detector body including a fixed shell, the fixed shell including a fitting mechanism, an L-shaped fixture is fixedly connected to the outer surface of the fixed shell, and a clamping mechanism is movably sleeved on the top outer surface of the fixed shell, the clamping mechanism includes a docking column, and one end of the clamping mechanism extends to the inner bottom surface of the fixed shell. The present application clamps the docking column to the inside of the fixed shell, cooperates with the elastic force inside the recessed groove to push the elastic fitting extrusion plate elastically, squeezes and pushes the elastic fitting extrusion plate outward, cooperates with the fitting friction strips on the three outer surfaces of the empty groove to softly fit with the inner surface of the fixed shell, and at the same time, the strip friction strips of the fitting friction strips are tightly fitted with the inner surface of the fixed shell.

[0004] The fire smoke sensing device cooperates with the pulling protection strip to elastically pull the push plate 2 to limit its position. When the push plate 2 is squeezed, it will elastically push the push rebound strip, and cooperate with the push rebound strip to push the push plate 2 in the opposite direction to increase the elasticity. During daily inspection, the high-sensitive thermometer is used to detect the external temperature. However, the above-mentioned device and the existing device are both installed by bolts. During installation, it is necessary to align the device and then hold the device to tighten the bolts to install it. The installation is laborious and it is not convenient to remove it for cleaning after long-term use. The effect during use is not good, which needs to be improved. Utility Model Content

[0005] The purpose of the utility model is to provide a fire smoke sensing device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a fire smoke sensing device, comprising a shell, a mounting device is arranged on the top of the shell, and an adjusting device is arranged on the bottom of the shell.

[0007] The installation device includes a placement ring, a connecting box, an air pump, a conveying air pipe, a placement tube, an adsorption pad, an adsorption tube and a hollow ring. The placement ring is fixedly connected to the top of the shell, the connecting box is fixedly connected to the top of the placement ring, the air pump is fixedly connected to the inside of the connecting box, the conveying air pipe is fixedly connected to the side of the air pump, the placement tube is fixedly connected to the inner ring of the placement ring, and the placement tube passes through the shell and is connected to the inside of the shell.

[0008] Preferably, the adjusting device includes a bottom-placed ring plate, an air suction pipe, a ring member, a rectangular frame, a magnetic plate, a magnet plate, a telescopic tube and a handle, the bottom-placed ring plate is fixedly connected to the bottom of the placing tube, the air suction pipe is fixedly connected to the inside of the bottom-placed ring plate, the top of the air suction pipe is connected to the bottom of the hollow ring member, the ring member is fixedly connected to the bottom of the air suction pipe, the rectangular frame is slidably connected to the surface of the ring member, the magnetic plate is fixedly connected to the surface of the rectangular frame, the telescopic tube is fixedly connected to the top of the rectangular frame, and the handle is fixedly connected to the top of the telescopic tube.

[0009] Preferably, an open slot is provided at the bottom of the air intake pipe, and the area of ​​the telescopic pipe is larger than the area of ​​the open slot.

[0010] Preferably, the magnet plate is fixedly connected to the surface of the ring, the magnetic attraction plate is slidably connected to the side of the magnet plate, and the magnetic attraction plate is magnetically connected to the magnet plate.

[0011] Preferably, the adsorption pad is fixedly connected to the top of the placement tube, and a ventilation groove is provided on the top of the adsorption pad.

[0012] Preferably, the number of the adsorption tubes is twenty, and the twenty adsorption tubes are arranged in a circular shape with equal intervals on the top of the hollow ring. The gas extends to the interior of the hollow ring through the air delivery pipe, and then is diverted and adsorbed by the adsorption tubes arranged above. It can be adsorbed on the ceiling to assist in installation. The arrangement of multiple adsorption tubes can ensure the strength of adsorption.

[0013] Preferably, the end of the air delivery pipe away from the side of the air pump passes through the placement tube and is connected to the surface of the hollow ring. An adsorption pad is provided on the top of the placement tube. The adsorption pad is flush with the height of the adsorption tube and serves as a buffer during adsorption and bonding to prevent the entire device from contacting the ceiling and being damaged by friction during the adsorption installation process.

[0014] Preferably, the hollow ring is fixedly connected to the inner ring of the placement cylinder, and the adsorption tube is fixedly connected to the top of the hollow ring.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The fire smoke sensor is provided with a mounting device, and the height of the adsorption pad is flush with the adsorption tube, which serves as a buffer during adsorption and adhesion to avoid contact between the entire device and the ceiling and damage caused by friction during the adsorption installation process. During the installation process, it can avoid the use of bolts for installation, saving labor, and only the air pump needs to be turned off during installation. It can be easily removed for cleaning after long-term use.

[0017] 2. The fire smoke sensing device is provided with an adjustment device. When in use, the suction force generated by the air pump can also act on the bottom, and there can also be suction at the suction pipe, which can adsorb the smoke. After long-term use, part of the suction pipe will be blocked. At this time, the opening slot on the side can be closed to stop air intake, thereby avoiding serious blockage and affecting the sensing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall three-dimensional front view structure of the utility model;

[0019] Figure 2 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0020] Figure 3 This is a schematic diagram of the overall three-dimensional structure of the utility model when viewed from above;

[0021] Figure 4 For this utility model Figure 3 Enlarged structural diagram at B in the middle.

[0022] In the figure: 1. Shell; 2. Mounting device; 201. Placement ring; 202. Connection box; 203. Air pump; 204. Air delivery pipe; 205. Placement tube; 206. Adsorption pad; 207. Adsorption pipe; 208. Hollow ring; 3. Adjustment device; 301. Bottom placement ring plate; 302. Air suction pipe; 303. Ring; 304. Rectangular frame; 305. Magnetic plate; 306. Magnet plate; 307. Telescopic tube; 308. Handle. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-4 , the utility model provides the following technical solutions:

[0025] A fire smoke sensing device comprises a shell 1, a mounting device 2 is arranged on the top of the shell 1, and an adjusting device 3 is arranged on the bottom of the shell 1.

[0026] The installation device 2 includes a placement ring 201, a connecting box 202, an air pump 203, a conveying air pipe 204, a placement cylinder 205, an adsorption pad 206, an adsorption pipe 207 and a hollow ring 208. The placement ring 201 is fixedly connected to the top of the shell 1, the connecting box 202 is fixedly connected to the top of the placement ring 201, the air pump 203 is fixedly connected to the inside of the connecting box 202, the conveying air pipe 204 is fixedly connected to the side of the air pump 203, the placement cylinder 205 is fixedly connected to the inner ring of the placement ring 201, the placement cylinder 205 passes through the shell 1 and is connected to the inside of the shell 1, the hollow ring 208 is fixedly connected to the inner ring of the placement cylinder 205, the adsorption pipe 207 is fixedly connected to the top of the hollow ring 208, and the end of the conveying air pipe 204 away from the side of the air pump 203 passes through the placement cylinder 20 5 and connected to the surface of the hollow ring 208, an adsorption pad 206 is arranged on the top of the placement cylinder 205, and the adsorption pad 206 is flush with the height of the adsorption tube 207, which plays a buffering role during adsorption and bonding to prevent the entire device from contacting the ceiling and causing damage due to friction during the adsorption installation process. The adsorption pad 206 is fixedly connected to the top of the placement cylinder 205, and a ventilation groove is opened on the top of the adsorption pad 206. The number of adsorption tubes 207 is twenty, and the twenty adsorption tubes 207 are arranged in a circular shape with equal intervals on the top of the hollow ring 208. The gas extends to the inside of the hollow ring 208 through the delivery pipe 204, and then is diverted and adsorbed by the adsorption tube 207 arranged above, and can be adsorbed on the ceiling, which plays a role in auxiliary installation. The arrangement of multiple adsorption tubes 207 can ensure the strength of adsorption.

[0027] The adjusting device 3 includes a bottom-placed ring plate 301, an air suction pipe 302, a ring member 303, a rectangular frame 304, a magnetic plate 305, a magnet plate 306, a telescopic tube 307 and a pull handle 308. The bottom-placed ring plate 301 is fixedly connected to the bottom of the placement tube 205, the air suction pipe 302 is fixedly connected to the inside of the bottom-placed ring plate 301, the top of the air suction pipe 302 is connected to the bottom of the hollow ring member 208, the ring member 303 is fixedly connected to the bottom of the air suction pipe 302, and the rectangular frame 304 is slidably connected to the bottom of the air suction pipe 302. On the surface of the ring 303, the magnetic plate 305 is fixedly connected to the surface of the rectangular frame 304, the telescopic tube 307 is fixedly connected to the top of the rectangular frame 304, the pull handle 308 is fixedly connected to the top of the telescopic tube 307, an open groove is provided at the bottom of the suction pipe 302, the area of ​​the telescopic tube 307 is larger than the area of ​​the open groove, the magnet plate 306 is fixedly connected to the surface of the ring 303, the magnetic plate 305 is slidably connected to the side of the magnet plate 306, and the magnetic plate 305 is magnetically connected to the magnet plate 306.

[0028] When in use, the shell 1 can be adsorbed on a ceiling and then the smoke sensing operation can be performed. During installation, the conventional bolt structure is not used. During installation, you only need to pick up the device and then fit the top end to the ceiling. Then you can start the air pump 203 located inside the connecting box 202 to generate negative pressure suction. The gas extends to the inside of the hollow ring 208 through the conveying air pipe 204, and then is diverted and adsorbed through the adsorption pipe 207 arranged above. It can be adsorbed on the ceiling, and an adsorption pad 206 is arranged on the top of the placement tube 205. The adsorption pad 206 is flush with the height of the adsorption pipe 207, which serves as a buffer during adsorption and attachment to avoid contact between the entire device and the ceiling and damage caused by friction during the adsorption installation process. During the installation process, it can avoid the use of bolts for installation, which saves effort, and you only need to close the gas during installation. The pump 203 is sufficient, which can be easily disassembled for cleaning after long-term use. It has a good effect when in use, and an adjustment device 3 is provided at the bottom of the shell 1. When in use, the suction force generated by the air pump 203 can also act on the bottom, and there can also be suction at the intake pipe 302, which can adsorb the smoke. After long-term use, part of the intake pipe 302 will be blocked. At this time, it is necessary to close the opening slot on the side and stop air intake to avoid serious blockage and affect the perception effect. When closing, you can first pull the handle 308 to pull up the telescopic tube 307 to the highest point, and then hold the rectangular frame 304 to lift and lower it. When lifting and lowering, the magnetic plate 305 can slide on the side of the magnet plate 306 to limit the position, and the existence of the magnetic effect can self-lock after adjustment. The telescopic tube 307 is adjusted to the top to contact the bottom of the intake pipe 302 for sealing.

[0029] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fire smoke sensing device, comprising a housing (1), characterized in that: A mounting device (2) is provided on the top of the shell (1), and an adjustment device (3) is provided on the bottom of the shell (1); The installation device (2) comprises a placement ring (201), a connection box (202), an air pump (203), a delivery air pipe (204), a placement tube (205), an adsorption pad (206), an adsorption tube (207) and a hollow ring (208); the placement ring (201) is fixedly connected to the top of the shell (1); the connection box (202) is fixedly connected to the top of the placement ring (201); the air pump (203) is fixedly connected to the inside of the connection box (202); the delivery air pipe (204) is fixedly connected to the side of the air pump (203); the placement tube (205) is fixedly connected to the inner ring of the placement ring (201); and the placement tube (205) passes through the shell (1) and is connected to the inside of the shell (1).

2. A fire smoke sensing device according to claim 1, characterized in that: The regulating device (3) comprises a bottom-mounted ring plate (301), an air suction pipe (302), a ring member (303), a rectangular frame (304), a magnetic plate (305), a magnet plate (306), a telescopic pipe (307) and a handle (308), wherein the bottom-mounted ring plate (301) is fixedly connected to the bottom of the placement tube (205), the air suction pipe (302) is fixedly connected to the inside of the bottom-mounted ring plate (301), and the air suction pipe (30 2) is connected to the bottom of the hollow ring (208), the ring (303) is fixedly connected to the bottom of the suction pipe (302), the rectangular frame (304) is slidably connected to the surface of the ring (303), the magnetic plate (305) is fixedly connected to the surface of the rectangular frame (304), the telescopic tube (307) is fixedly connected to the top of the rectangular frame (304), and the handle (308) is fixedly connected to the top of the telescopic tube (307).

3. A fire smoke sensing device according to claim 2, characterized in that: An open groove is provided at the bottom of the air intake pipe (302), and the area of ​​the telescopic pipe (307) is larger than the area of ​​the open groove.

4. A fire smoke sensing device according to claim 2, characterized in that: The magnet plate (306) is fixedly connected to the surface of the ring member (303), the magnetic attraction plate (305) is slidably connected to the side of the magnet plate (306), and the magnetic attraction plate (305) is magnetically connected to the magnet plate (306).

5. A fire smoke sensing device according to claim 1, characterized in that: The adsorption pad (206) is fixedly connected to the top of the placement tube (205), and a ventilation groove is provided on the top of the adsorption pad (206).

6. A fire smoke sensing device according to claim 1, characterized in that: The number of the adsorption tubes (207) is twenty, and the twenty adsorption tubes (207) are arranged in a ring shape at equal intervals on the top of the hollow ring (208).

7. A fire smoke sensing device according to claim 1, characterized in that: One end of the air delivery pipe (204) away from the side of the air pump (203) passes through the placement cylinder (205) and is connected to the surface of the hollow ring (208).

8. A fire smoke sensing device according to claim 1, characterized in that: The hollow ring member (208) is fixedly connected to the inner ring of the placement cylinder (205), and the adsorption tube member (207) is fixedly connected to the top of the hollow ring member (208).

Images