Range hood capable of automatically extinguishing fire

Abstract

The utility model relates to the technical field of range hoods, and discloses a range hood capable of automatically extinguishing fire, which comprises a smoke suction seat, a PLC (programmable logic controller) control panel is arranged in the middle of the front end of the smoke suction seat, and a smoke outlet groove is mounted in the middle of the upper end of the smoke suction seat; water pipes are connected to the front portions of the upper ends of the water tanks, the front ends of the water pipes penetrate through the front portions of the smoke suction bases, side plates are arranged on the rear portions of the two side walls of the smoke suction bases, dry powder extinguishers are installed in the middles in the trapezoid-shaped grooves, and the front ends of the dry powder extinguishers penetrate through the trapezoid-shaped grooves and are provided with two dry powder extinguishment sprayers. Flames can be monitored through the flame monitor, when a cooking bench is on fire, dry powder in the dry powder fire extinguisher is sprayed to the cooking bench through the dry powder fire extinguishing spray head to extinguish the flames, water is injected into the water pipe through the water tank, then the water is sprayed to the cooking bench to conduct secondary fire extinguishing, the automatic fire extinguishing function is achieved, the fire is extinguished in time, and the fire extinguishing efficiency is improved. Fire accidents are avoided, and casualties and property loss are prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of range hoods, in particular to a range hood capable of realizing automatic fire extinguishing. Background Art

[0002] Range hoods are electrical appliances used in home kitchens to remove fumes produced during cooking. They should not only perform their functional roles well, but also have a decorative concept that integrates with the modern kitchen layout. The range hoods currently used on the market do not have an automatic fire extinguishing function. When a fire breaks out, the fire cannot be extinguished in time, resulting in a fire accident, causing casualties and property losses. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a range hood capable of automatically extinguishing fire, which has the advantages of automatic fire extinguishing and solves the problems raised by the background technology.

[0004] In order to achieve the above-mentioned purpose of automatic fire extinguishing, the utility model provides the following technical solutions: a range hood capable of automatic fire extinguishing comprises a smoking seat, a PLC control panel is arranged in the middle of the front end of the smoking seat, a smoke outlet groove is arranged in the middle of the upper end of the smoking seat, a trapezoidal groove is arranged in the rear of the lower end of the smoking seat, a power line is connected to the rear end wall of the smoking seat, suction boxes are arranged on both sides of the bottom end of the smoking seat, a smoking pipe is arranged at the lower end of the suction box, a suction fan is arranged inside the suction box, a duct is connected to the inner wall of the suction box, and the upper end of the duct is connected to the smoke outlet groove;

[0005] A water tank is installed at the rear of the smoking seat, and a water pipe is connected to the front of the upper end of the water tank. The front end of the water pipe passes through the front of the smoking seat. Side panels are provided at the rear of the two side walls of the smoking seat. A dry powder fire extinguisher is installed in the middle of the trapezoidal groove. The front end of the dry powder fire extinguisher passes through the trapezoidal groove and is equipped with two dry powder fire extinguishing nozzles.

[0006] As a further solution of the utility model: smoke inlet nets are arranged on both sides of the dry powder fire extinguisher, and the smoke inlet nets are connected to the trapezoidal groove. The oil smoke will enter the trapezoidal groove through the two smoke inlet nets, and then enter the smoke outlet groove to discharge the smoke.

[0007] As a further solution of the utility model: a flame detector is arranged in the middle of the bottom end of the smoking seat, and the output end of the PLC control panel is electrically connected to the input ends of the dry powder fire extinguishing nozzle, the suction fan, the flame detector and the lighting lamp through wires, so as to facilitate the operation.

[0008] As a further solution of the utility model: a bottom groove is installed at the lower end of the trapezoidal groove, and an oil storage box is slidably installed inside the bottom groove. Oil stains generated by cooking will fall into the oil storage box for collection, and the inside of the oil storage box is cleaned regularly.

[0009] As a further solution of the utility model: a mounting plate is installed at the rear upper end of the smoking seat, a locking bolt is provided at the upper front end wall of the mounting plate, two locking bolts are provided, and the range hood is fixed by tightening the two locking bolts, thereby improving stability.

[0010] As a further solution of the utility model: two fixing rings are arranged on the water pipes, and the lower ends of the fixing rings are fixedly connected to the smoking seat. The fixing rings fix the water pipes, thereby improving the stability of the water pipes.

[0011] As a further solution of the utility model: lighting lamps are arranged on both sides of the flame detector, and when the two lighting lamps are turned on, cooking is convenient.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] In the utility model, the flame can be monitored by the flame monitor. When a fire occurs on the stove, the dry powder in the dry powder fire extinguisher is sprayed onto the stove through the dry powder fire extinguishing nozzle to put out the flame. The water tank fills water into the water pipe and then sprays it onto the stove to perform secondary fire extinguishing. The automatic fire extinguishing function is realized, the fire is extinguished in time, fire accidents are avoided, and casualties and property losses are prevented. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the smoking seat in the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the water tank in the utility model;

[0017] Figure 4 The figure is a schematic diagram of the appearance of the dry powder fire extinguisher in the utility model.

[0018] In the figure: 1. Smoking seat; 2. Water pipe; 3. Fixing ring; 4. Smoke outlet slot; 5. Power cord; 6. Mounting plate; 7. Side panel; 8. Trapezoidal slot; 9. Smoke inlet net; 10. Bottom slot; 11. Dry powder fire extinguishing nozzle; 12. Oil storage box; 13. Water tank; 14. Dry powder fire extinguisher; 15. PLC control panel; 16. Suction box; 17. Conduit; 18. Suction fan; 19. Smoking pipe; 20. Flame detector; 21. Lighting lamp. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figures 1 to 4 In the embodiment of the utility model, the range hood capable of realizing automatic fire extinguishing comprises a smoking seat 1, a PLC control panel 15 is arranged at the middle of the front end of the smoking seat 1, a smoke outlet groove 4 is arranged at the middle of the upper end of the smoking seat 1, a trapezoidal groove 8 is arranged at the rear of the lower end of the smoking seat 1, a power line 5 is connected to the rear end wall of the smoking seat 1, suction boxes 16 are arranged on both sides of the bottom end of the smoking seat 1, a smoking pipe 19 is arranged at the lower end of the suction box 16, a suction fan 18 is arranged inside the suction box 16, a duct 17 is connected to the inner wall of the suction box 16, and the upper end of the duct 17 is connected to the smoke outlet groove 4;

[0021] A water tank 13 is installed at the rear of the smoking seat 1, and the front of the upper end of the water tank 13 is connected to a water pipe 2. The front end of the water pipe 2 passes through the front of the smoking seat 1. Side panels 7 are provided at the rear of the two side walls of the smoking seat 1. A dry powder fire extinguisher 14 is installed in the middle of the trapezoidal groove 8. The front end of the dry powder fire extinguisher 14 passes through the trapezoidal groove 8 and is equipped with two dry powder fire extinguishing nozzles 11.

[0022] The dry powder fire extinguisher 14 is provided with a smoke inlet net 9 on both sides, and the smoke inlet net 9 is connected with the trapezoidal groove 8. The oil smoke will enter the trapezoidal groove 8 through the two smoke inlet nets 9, and then enter the smoke outlet groove 4 to discharge the smoke; a flame detector 20 is provided in the middle of the bottom end of the smoking seat 1, and the output end of the PLC control panel 15 is electrically connected to the dry powder fire extinguishing nozzle 11, the suction fan 18, the flame detector 20 and the input end of the lighting lamp 21 through a wire, so as to facilitate the operation; a bottom groove 10 is installed at the lower end of the trapezoidal groove 8, and an oil storage box 12 is slidably installed inside the bottom groove 10 to prevent oil stains produced by cooking. It will fall into the oil storage box 12 for collection, and the inside of the oil storage box 12 is cleaned regularly; a mounting plate 6 is installed at the upper rear of the smoking seat 1, and a locking bolt is provided on the upper part of the front end wall of the mounting plate 6. There are two locking bolts. Tighten the two locking bolts to fix the range hood, thereby improving stability; two fixing rings 3 are provided on the water pipe 2, and the lower ends of the fixing rings 3 are fixedly connected to the smoking seat 1. The fixing rings 3 fix the water pipe 2, thereby improving the stability of the water pipe 2; lighting lamps 21 are provided on both sides of the flame detector 20. When the two lighting lamps 21 are on, it is convenient to cook.

[0023] The working principle of the utility model is: install the range hood above the stove, tighten the two locking bolts to fix the range hood, connect the power cord 5 to the power supply to ensure that the range hood is powered on, operate on the PLC control panel 15, the two suction fans 18 rotate to absorb the generated oil smoke, the two lighting lamps 21 light up, which is convenient for cooking, and the flame detector 20 can monitor the flame. When the stove catches fire, the dry powder in the dry powder fire extinguisher 14 is sprayed onto the stove through the dry powder fire extinguishing nozzle 11 to extinguish the flame, the water tank 13 injects water into the water pipe 2, and then sprays it onto the stove for secondary fire extinguishing, the oil smoke will enter the trapezoidal groove 8 through the two smoke inlet nets 9, and then enter the smoke outlet groove 4 to discharge the smoke, the oil stains generated by cooking will fall into the oil storage box 12 for collection, and the inside of the oil storage box 12 is cleaned regularly.

[0024] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A range hood capable of automatically extinguishing a fire, comprising a smoking seat (1), a PLC control panel (15) being arranged at the middle of the front end of the smoking seat (1), a smoke outlet groove (4) being arranged at the middle of the upper end of the smoking seat (1), a trapezoidal groove (8) being arranged at the rear of the lower end of the smoking seat (1), a power cord (5) being connected to the rear end wall of the smoking seat (1), suction boxes (16) being arranged at both sides of the inner bottom end of the smoking seat (1), a smoking pipe (19) being arranged at the lower end of the suction boxes (16), a suction fan (18) being arranged inside the suction boxes (16), and a duct (17) being connected to the inner side wall of the suction boxes (16), and the upper end of the duct (17) being connected to the smoke outlet groove (4); Features: A water tank (13) is installed at the rear of the smoking seat (1), and the front of the upper end of the water tank (13) is connected to a water pipe (2). The front end of the water pipe (2) passes through the front of the smoking seat (1). Oil side plates (7) are provided at the rear of the two side walls of the smoking seat (1). A dry powder fire extinguisher (14) is installed in the middle of the trapezoidal groove (8). The front end of the dry powder fire extinguisher (14) passes through the trapezoidal groove (8) and is equipped with two dry powder fire extinguishing nozzles (11).

2. The range hood capable of automatically extinguishing fire according to claim 1, characterized in that: Smoke inlet nets (9) are provided on both sides of the dry powder fire extinguisher (14), and the smoke inlet nets (9) are connected to the trapezoidal grooves (8).

3. The range hood capable of automatically extinguishing fire according to claim 1, characterized in that: A flame monitor (20) is provided at the middle of the bottom end of the smoking seat (1), and the output end of the PLC control panel (15) is electrically connected to the input ends of the dry powder fire extinguishing nozzle (11), the suction fan (18), the flame monitor (20) and the lighting lamp (21) through wires.

4. The range hood capable of automatically extinguishing fire according to claim 1, characterized in that: A bottom groove (10) is installed at the lower end of the trapezoidal groove (8), and an oil storage box (12) is slidably installed inside the bottom groove (10).

5. The range hood capable of automatically extinguishing fire according to claim 1, characterized in that: A mounting plate (6) is installed at the rear upper end of the smoking seat (1), and a locking bolt is provided at the upper front end wall of the mounting plate (6), wherein two locking bolts are provided.

6. The range hood capable of automatically extinguishing fire according to claim 1, characterized in that: Two fixing rings (3) are provided on each of the water pipes (2), and the lower ends of the fixing rings (3) are fixedly connected to the smoking seat (1).

7. The range hood capable of automatically extinguishing fire according to claim 3, characterized in that: Illumination lamps (21) are provided on both sides of the flame monitor (20).

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