CN218939048U

CN218939048U - High-sensitivity smoke detection device

Info

Publication number: CN218939048U
Application number: CN202221990184.7U
Authority: CN
Inventors: 黄师炜
Original assignee: Wuxi Kejin Electronic System Engineering Co ltd
Current assignee: Wuxi Kejin Electronic System Engineering Co ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2023-04-28
Anticipated expiration: 2032-07-29

Abstract

The utility model relates to the technical field of building fire-fighting facilities, in particular to a high-sensitivity smoke detection device, which comprises a protection box, wherein a protection mechanism is arranged in the protection box, an air entraining hopper is arranged in the protection box in a sealing way, the top end of the air entraining hopper is connected with an air duct in a sealing way, a smoke detector is arranged in the air duct, the smoke detector is provided with a detection head, one end of the air duct penetrates through the protection box and is connected with a guide cylinder, an exhaust fan is arranged in the guide cylinder, the protection mechanism comprises a bottom cover frame, and the bottom cover frame is arranged at the bottom of the protection box. According to the utility model, the exhaust fan is normally started, the outside air at the bottom of the bottom cover frame is introduced into the protective box, and the smoke air is discharged through the guide cylinder and the exhaust ring along the air-entraining hopper and the air duct, so that an alarm is sent out, the effect of high-sensitivity smoke detection is achieved, the screw plate moves inwards along the bidirectional screw rod, the moving screw plate drives the fireproof plate to move along the moving groove, and the bottom of the bottom cover frame is further sealed with the outside through the fireproof plate, so that the smoke detector is prevented from being directly burnt by open fire.

Description

High-sensitivity smoke detection device

Technical Field

The utility model relates to the technical field of building fire-fighting facilities, in particular to a high-sensitivity smoke detection device.

Background

The building fire-fighting facilities refer to the general term of equipment and facilities for preventing and extinguishing building fires, such as an automatic fire alarm system, an automatic water-spraying fire-extinguishing system, a fire hydrant system and the like which are arranged in a building. The fire disaster automatic alarm system, the automatic water spraying fire extinguishing system, the fire hydrant system, the gas fire extinguishing system, the foam fire extinguishing system, the dry powder fire extinguishing system, the smoke prevention and exhaust system, the safety evacuation system and the like are commonly used, are important facilities for guaranteeing the fire safety and the personnel evacuation safety of a building, are important components of a modern building, play an important role in protecting the building, effectively protect the life safety of citizens and the safety of national property, are various in building fire-fighting facilities, and the smoke detection device is one of the fire disaster automatic alarm system, the gas fire extinguishing system, the foam fire extinguishing system, the dry powder fire extinguishing system, the smoke prevention and exhaust system and the safety evacuation system. The Chinese patent discloses a smoke detection device (grant bulletin No. CN 216286991U) for a fire-fighting facility, and the technology solves the problems that dust is easy to accumulate at a smoke port of the smoke detection device in the using process of the existing smoke detection device for the fire-fighting facility, and the accuracy of smoke detection operation is affected, so that the smoke detection device is inconvenient to better meet the using requirements of people. However, in the prior art, the flow speed of the smoke in the air is low after the smoke occurs, the position of the sensing device is fixed, the smoke cannot be technically sensed under the condition that the air flows slowly, and the equipment can be burnt out by open fire generated after the smoke, so that the protection effect is lacking.

Accordingly, a person skilled in the art provides a high-sensitivity smoke detection device to solve the above-mentioned problems.

Disclosure of Invention

In order to solve the technical problems, the utility model provides:

the utility model provides a detection device is felt to high sensitivity cigarette, includes the protection box, protection mechanism is installed to the protection box, sealed mounting has the air entrainment fill in the protection box, and air entrainment fill top sealing connection has the wind channel, installs smoke detector in the wind channel, and smoke detector is equipped with the detection head, wind channel one end runs through the protection box and is connected with the guide cylinder, installs the air extraction fan in the guide cylinder, protection mechanism is including the bottom cover frame, and the bottom cover frame is installed in protection box bottom.

Preferably: the bottom cover frame both sides have all been seted up and have moved the groove, move the inslot activity and be equipped with the PLASTIC LAMINATED, PLASTIC LAMINATED inboard one end surface mounting has the screw plate, and the screw has been seted up to the screw plate.

Preferably: and a bidirectional screw rod is arranged in a screw hole of the screw plate, and one end of the bidirectional screw rod rotates to penetrate through the protection box and is connected with a motor.

Preferably: the motor is installed at the outer wall of the bottom cover frame through the fixing plates, a fireproof cover is arranged on the outer side of the motor, and the fireproof cover is installed on the outer wall of the bottom cover frame.

Preferably: an exhaust ring is rotatably arranged at the bottom of the guide cylinder, and a cover net is arranged in the exhaust ring.

Preferably: an insect-proof net is arranged on the inner side of the bottom cover frame.

Preferably: the protection box and the air duct surface are fixedly provided with fixing rods, the top ends of the fixing rods are fixedly provided with mounting plates, and the two ends of each mounting plate are fixedly provided with mounting rings.

The utility model has the technical effects and advantages that:

when smoke is sensed, the exhaust fan is normally started, air outside the bottom of the bottom cover frame is introduced into the protective box, the smoke air is discharged through the guide cylinder and the exhaust ring along the air-entraining hopper and the air duct, after the air with the smoke passes through the detection head of the smoke detector, the detection head detects the smoke in the air and gives an alarm, the effect of high-sensitivity smoke detection is achieved, the screw plate moves inwards along the bidirectional screw rod, the moving screw plate drives the fireproof plate to move along the moving groove, and the bottom of the bottom cover frame is further sealed with the outside through the fireproof plate, so that the smoke detector is prevented from being directly burnt by open fire.

Drawings

Fig. 1 is a schematic structural diagram of a high-sensitivity smoke detection device according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of a fireproof plate in a high-sensitivity smoke detection device according to an embodiment of the present application;

fig. 3 is a schematic structural diagram of an air duct in the high-sensitivity smoke detection device according to the embodiment of the present application;

fig. 4 is a schematic structural diagram of a smoke detector in a high-sensitivity smoke detection device according to an embodiment of the present application;

fig. 5 is a schematic structural diagram of a circuit in a high-sensitivity smoke detection device according to an embodiment of the present application;

fig. 6 is a schematic structural diagram of a mounting ring in a high-sensitivity smoke detection device according to an embodiment of the present application.

In the figure:

1. a protective case;

2. a protective mechanism; 201. a bottom cover frame; 202. shifting the groove; 203. a fire protection plate; 204. a screw plate; 205. a two-way screw rod; 206. a motor; 207. a fixing plate; 208. a fire shield;

3. an air entraining hopper; 4. an air duct; 5. a guide cylinder; 6. an exhaust ring; 7. covering a net; 8. an exhaust fan; 9. a smoke detector; 10. a detection head;

11. a fixed rod; 12. a mounting plate; 13. and (5) a mounting ring.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the detailed description. The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Example 1

Referring to fig. 1-5, in this embodiment, a high-sensitivity smoke detection device is provided, including a protection box 1, a protection mechanism 2 is installed in the protection box 1, an air-entraining hopper 3 is installed in the protection box 1 in a sealing manner, an air duct 4 is connected to the top end of the air-entraining hopper 3 in a sealing manner, a smoke detector 9 is installed in the air duct 4, a detection head 10 is arranged on the smoke detector 9, one end of the air duct 4 penetrates through the protection box 1 and is connected with a guide cylinder 5, an exhaust fan 8 is installed in the guide cylinder 5, the protection mechanism 2 comprises a bottom cover frame 201, the bottom cover frame 201 is installed at the bottom of the protection box 1, moving grooves 202 are respectively formed in two sides of the bottom cover frame 201, a fireproof plate 203 is movably arranged in the moving grooves 202, a screw plate 204 is fixed on one end surface of the inner side of the fireproof plate 203, a screw plate 204 is formed in a screw hole formed in the screw plate 204, a bidirectional screw 205 is arranged in the screw hole of the screw plate 204, one end of the bidirectional screw 205 is rotatably connected with a motor 206 penetrating through the protection box 1, two side walls of the motor 206 are respectively fixed with a fixing plate 207, the motor 206 is installed on the outer wall of the bottom cover frame 201 through the fixing plate 207, a fireproof cover 208 is arranged on the outer side of the motor 206, the inner side of the bottom cover frame 201 is installed at the bottom cover 201, the bottom of the bottom cover 201 is provided with an inner side of the fireproof cover 201, the fireproof cover 201 is respectively, the bottom cover 6 is installed at the bottom of the bottom cover 5, the two side of the bottom cover 6 is provided with an inner side of the exhaust net 6 is installed, and an inner protection 6 is installed.

The smoke detector 9 and the motor 206 of the device are required to be connected with a fire-fighting system;

when smoke is sensed, the exhaust fan 8 is normally started, air outside the bottom of the bottom cover frame 201 is introduced into the protective box 1, and the smoke air is discharged along the air entraining hopper 3 and the air duct 4 through the guide cylinder 5 and the exhaust ring 6;

when the air with smoke passes through the detecting head 10 of the smoke detector 9, the detecting head 10 detects the smoke in the air and gives an alarm, so that the effect of high-sensitivity smoke detection is achieved;

when the fire protection system detects that smoke alarms are received, the motor 206 is started to rotate to drive the bidirectional screw rod 205 to rotate, the screw plate 204 is moved inwards along the bidirectional screw rod 205 by the rotating bidirectional screw rod 205, the moving screw plate 204 drives the fireproof plate 203 to move along the moving groove 202, and then the bottom of the bottom cover frame 201 is sealed with the outside through the fireproof plate 203, so that the purpose of preventing open fire from directly burning the smoke detector 9 is achieved.

Example 2

Referring to fig. 6, in this embodiment, as a further improvement of the previous embodiment, the specific difference is that the surfaces of the protection box 1 and the air duct 4 are fixedly provided with a fixing rod 11, the top end of the fixing rod 11 is fixed with a mounting plate 12, and both ends of the mounting plate 12 are fixed with mounting rings 13.

When the protective box 1 is installed, the installation ring 13 of the installation plate 12 is installed on the indoor ceiling by using bolts, so that the effect of installing the protective box 1 is achieved.

It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present utility model without the inventive step, are intended to be within the scope of the present utility model. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.

Claims

1. The utility model provides a detection device is felt to high sensitivity cigarette, includes protection box (1), a serial communication port, protection mechanism (2) are installed to protection box (1), protection box (1) internal seal installs bleed air fill (3), bleed air fill (3) top sealing connection has wind channel (4), installs smoke detector (9) in wind channel (4), smoke detector (9) are equipped with detection head (10), wind channel (4) one end runs through protection box (1) and is connected with guide cylinder (5), installs air extraction fan (8) in guide cylinder (5), protection mechanism (2) are including bottom lid frame (201), and bottom lid frame (201) are installed in protection box (1) bottom.

2. The high-sensitivity smoke detection device according to claim 1, wherein the moving grooves (202) are formed in two sides of the bottom cover frame (201), the fireproof plate (203) is movably arranged in the moving grooves (202), the screw plate (204) is fixed on one end surface of the inner side of the fireproof plate (203), and screw holes are formed in the screw plate (204).

3. The high-sensitivity smoke detection device according to claim 2, wherein a bidirectional screw rod (205) is arranged in a screw hole of the screw plate (204), and one end of the bidirectional screw rod (205) is connected with a motor (206) by rotating and penetrating the protection box (1).

4. A high sensitivity smoke detection device according to claim 3, wherein the two side walls of the motor (206) are respectively fixed with a fixing plate (207), the motor (206) is installed on the outer wall of the bottom cover frame (201) through the fixing plates (207), a fireproof cover (208) is arranged on the outer side of the motor (206), and the fireproof cover (208) is installed on the outer wall of the bottom cover frame (201).

5. The high-sensitivity smoke detection device according to claim 1, wherein an exhaust ring (6) is rotatably arranged at the bottom of the guide cylinder (5), and a cover net (7) is arranged in the exhaust ring (6).

6. The high-sensitivity smoke-sensing device according to claim 1, wherein an insect-proof net is installed inside the bottom cover frame (201).

7. The high-sensitivity smoke detection device according to claim 1, wherein the surfaces of the protection box (1) and the air duct (4) are fixedly provided with fixing rods (11), the top ends of the fixing rods (11) are fixedly provided with mounting plates (12), and the two ends of the mounting plates (12) are fixedly provided with mounting rings (13).