Closed kitchen machinery exhaust device

Abstract

The utility model relates to the technical field of kitchen ventilation, in particular to a closed kitchen mechanical exhaust device which comprises a smoke collecting hopper, a smoke collecting box is fixedly installed on the top of the smoke collecting hopper, the bottom of the smoke collecting box is communicated with the interior of the smoke collecting hopper, and a control module and an oxygen sensor are fixedly installed on the top of the smoke collecting box. An air inlet smoke guiding mechanism is mounted on the smoke collecting hopper and the smoke collecting box, and a smoke discharging mechanism is mounted on the smoke collecting box; the air inlet smoke guiding mechanism comprises an air inlet fan, an air conveying pipe, an annular pipe, a connecting pipe, an air outlet and an air inlet pipe, and the annular pipe is fixedly installed at the bottom in the smoke collecting hopper. According to the mechanical air exhaust device for the closed kitchen, the smoke exhaust speed and the smoke exhaust effect of the closed kitchen can be effectively improved, the air quality in the kitchen is improved, external air participates, and the environment is protected. The oxygen content in the kitchen can be prevented from being reduced, carbon monoxide generated by insufficient gas combustion is prevented, and the ventilation and smoke exhaust effects of the sealed kitchen are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to kitchen ventilation technical field, concretely is a closed kitchen mechanical exhaust device. BACKGROUND

[0002] The closed kitchen refers to the kitchen and other living areas (such as dining room, living room, etc.) are separated by door or wall and other partitions, form a relatively independent space.The kitchen design features are that it can effectively isolate the oil fume, stain and the noise generated during cooking, so as to keep the clean and quiet of other areas in the room, in modern kitchen design, oil fume emission is a key problem, the common kitchen hood usually only relies on an upward suction to remove oil fume, but this way is not ideal in the case of handling a large amount of oil fume or uneven distribution of oil fume, especially in the closed kitchen environment, with the work of the hood and the combustion of the cooking range, the oxygen content and air pressure in the sealed kitchen will be reduced, not only will cause the oil fume to be difficult to effectively discharge, cause the kitchen air quality to drop, but also will make the gas combustion insufficient, produce toxic carbon monoxide gas, affect the health of the cooking personnel. SUMMARY

[0003] In view of the problems existing in the prior art, the utility model discloses a closed kitchen mechanical exhaust device, adopts the technical scheme, including the smoke collecting hopper, the top of the smoke collecting hopper is fixedly installed with the smoke collecting box, the bottom of the smoke collecting box is communicated with the inside of the smoke collecting hopper, the top of the smoke collecting box is fixedly installed with the control module and oxygen sensor, the smoke collecting hopper and smoke collecting box are installed with air inlet smoke guide mechanism, the smoke collecting box is installed with smoke exhaust mechanism.

[0004] The air inlet smoke guide mechanism includes an air inlet fan, a gas delivery pipe, a ring pipe, a connecting pipe, an air outlet and an air inlet pipe, the ring pipe is fixedly installed at the bottom in the smoke collecting hopper, the air inlet fan is fixedly installed at the top of the smoke collecting box, the air outlet on the air inlet fan is connected with one end of the gas delivery pipe, the other end of the gas delivery pipe is connected with the air inlet of the side of the ring pipe, the air outlet is equipped with four, four air outlets are fixedly installed at four sides in the smoke collecting hopper, the direction of the air outlet is parallel to the inclined plane in the smoke collecting hopper, the air outlet is communicated with the inside of the ring pipe through a plurality of connecting pipes, the air inlet of the air inlet fan is connected with one end of the air inlet pipe.

[0005] The smoke exhaust mechanism comprises a smoke exhaust pipe, smoke exhaust fans and a wind deflector, the wind deflector is fixedly installed at the top of the smoke collecting box, a gap is left between the wind deflector and the smoke collecting box, the smoke exhaust fans are provided in two, the two smoke exhaust fans are fixedly installed at the top of two ends of the smoke collecting box, air inlets of the two smoke exhaust fans are communicated with the inside of the smoke collecting box, the smoke exhaust pipe is Y-shaped, two ends of the lower side of the smoke exhaust pipe are connected with the air inlets of the two smoke exhaust fans respectively, and the oxygen sensor, the air inlet fan and the smoke exhaust fans are electrically connected with the control module.

[0006] As a preferred technical scheme of the utility model, two air outlets of the annular pipe side face are connected with one end of two ventilation pipes respectively, electromagnetic valves are installed on the two ventilation pipes, and the electromagnetic valves are electrically connected with the control module.

[0007] As a preferred technical scheme of the utility model, the other end of the air inlet pipe is connected with an air outlet of the air inlet box side face, and a protective net is fixedly installed in the opening of the air inlet box side face.

[0008] As a preferred technical scheme of the utility model, the air inlet box is fixedly installed with a wave-shaped filter paper.

[0009] As a preferred technical scheme of the utility model, the side face of the smoke collecting hopper and the side face of the smoke collecting box are fixedly connected with two ends of two mounting racks, and two mounting holes are formed in the side face of the mounting rack.

[0010] The utility model has the advantages of the following:

[0011] 1、the utility model discloses a smoke collecting hopper and smoke collecting box can collect oil fume, and through the air inlet fan, external air can be transported to the annular pipe through the air inlet pipe and the gas pipe, the air in the annular pipe is transported to the air outlet through the connecting pipe, and the external air is sprayed out through the air outlet, the air flow rate on the inner wall of the smoke collecting hopper is increased, the air pressure is reduced, the oil fume can flow into the smoke collecting box along the flowing air quickly, the oil fume and air in the smoke collecting box can be discharged to the outside through the work of the two smoke exhaust fans, in the process, the smoke exhaust effect is improved through the flow of external air, the indoor and outdoor air pressure can be balanced, the smoke exhaust speed and smoke exhaust effect of the closed kitchen can be effectively improved, the air quality in the kitchen is improved, the oxygen content in the kitchen can be avoided to reduce, carbon monoxide caused by insufficient gas combustion can be prevented, and the ventilation and smoke exhaust effect of the sealed kitchen is improved.

[0012] 2, through the ventilation pipe and solenoid valve can be in oxygen sensor monitoring kitchen oxygen content decreases, automatically open solenoid valve makes external air through the ventilation pipe to the kitchen, ensure that the kitchen contains oxygen content is sufficient, through the protective net can prevent rats, birds and other into the air inlet tank, avoid air inlet tank is blocked by debris, and through the filter paper can to the kitchen air filtration, prevent dust and pollutants into the kitchen, protect the health of the cooking personnel. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is whole front structure schematic diagram of the utility model;

[0014] Figure 2 It is air inlet smoke guide mechanism structure schematic diagram of the utility model;

[0015] Figure 3 It is air outlet structure schematic diagram of the utility model;

[0016] Figure 4 It is smoke exhaust mechanism structure schematic diagram of the utility model;

[0017] Figure 5 It is air inlet tank structure schematic diagram of the utility model;

[0018] Figure 6 It is whole back structure schematic diagram of the utility model.

[0019] In the drawing: 1 smoke collecting hopper, 2 smoke collecting tank, 3 control module, 4 oxygen sensor, 5 air inlet smoke guide mechanism, 51 air inlet fan, 52 gas pipe, 53 annular pipe, 54 connecting pipe, 55 air outlet, 56 air inlet pipe, 6 smoke exhaust mechanism, 61 smoke exhaust pipe, 62 smoke exhaust fan, 63 air deflector, 7 ventilation pipe, 8 air inlet tank, 9 protective net, 10 filter paper, 11 mounting bracket, 12 mounting hole, 13 solenoid valve. DETAILED DESCRIPTION

[0020] Example 1

[0021] As Figures 1 to 6 shown, the utility model discloses a closed kitchen mechanical exhaust device, adopts the technical scheme, including smoke collecting hopper 1, the top of smoke collecting hopper 1 is fixedly installed with smoke collecting tank 2, the bottom of smoke collecting tank 2 is communicated with the inside of smoke collecting hopper 1, the top of smoke collecting tank 2 is fixedly installed with control module 3 and oxygen sensor 4, and air inlet smoke guide mechanism 5 is installed on smoke collecting hopper 1 and smoke collecting tank 2, and smoke exhaust mechanism 6 is installed on smoke collecting tank 2, the side surface of smoke collecting hopper 1 and the side surface of smoke collecting tank 2 are fixedly connected with the two ends of two mounting brackets 11, and two mounting holes 12 are formed in the side surface of mounting bracket 11.

[0022] The air inlet smoke guide mechanism 5 comprises an air inlet fan 51, a gas conveying pipe 52, an annular pipe 53, a connecting pipe 54, air outlets 55 and an air inlet pipe 56. The annular pipe 53 is fixedly installed at the bottom of the smoke collecting hopper 1, the air inlet fan 51 is fixedly installed at the top of the smoke collecting box 2, the air outlet on the air inlet fan 51 is connected with one end of the gas conveying pipe 52, the other end of the gas conveying pipe 52 is connected with the air inlet on the side of the annular pipe 53, the two air outlets on the side of the annular pipe 53 are respectively connected with one end of the two ventilation pipes 7, the electromagnetic valves 13 are installed on the two ventilation pipes 7, the electromagnetic valves 13 are electrically connected with the control module 3, when the oxygen sensor 4 detects that the oxygen content in the kitchen is reduced, the electromagnetic valves 13 are automatically opened to make the external air conveyed into the kitchen through the ventilation pipes 7, so that the oxygen content in the kitchen is ensured to be sufficient, the four air outlets 55 are fixedly installed on the four sides of the smoke collecting hopper 1, the direction of the air outlets 55 is parallel to the slope in the smoke collecting hopper 1, the air outlets 55 are communicated with the inside of the annular pipe 53 through the connecting pipe 54, the air inlet of the air inlet fan 51 is connected with one end of the air inlet pipe 56, the other end of the air inlet pipe 56 is connected with the air outlet on the side of the air inlet box 8, the opening on the side of the air inlet box 8 is fixedly installed with the protective net 9, the protective net 9 can prevent rats, birds and the like from entering the air inlet box 8, so that the air inlet box 8 is prevented from being blocked by sundries, the wave-shaped filter paper 10 is fixedly installed in the air inlet box 8, the filter paper 10 can filter the air entering the kitchen, so that dust and pollutants are prevented from entering the kitchen, and the health of the cooking personnel is protected, the oil fume can be collected through the smoke collecting hopper 1 and the smoke collecting box 2, and the external air can be conveyed into the annular pipe 53 through the air inlet pipe 56 and the gas conveying pipe 52 through the air inlet fan 51, so that the air in the annular pipe 53 is conveyed into the air outlets 55 through the connecting pipes 54, and the external air is sprayed along the inner wall of the smoke collecting hopper 1 through the air outlets 55, the sprayed air can increase the air flow rate on the inner wall of the smoke collecting hopper 1, reduce the air pressure, so that the oil fume can flow into the smoke collecting box 2 along the flowing air.The smoke exhaust mechanism 6 comprises a smoke exhaust pipe 61, smoke exhaust fans 62 and a wind deflector 63, the wind deflector 63 is fixedly installed at the top of the smoke collecting box 2, a certain gap is left between the wind deflector 63 and the smoke collecting box 2, the smoke exhaust fans 62 are provided with two, the two smoke exhaust fans 62 are fixedly installed at the top of two ends of the smoke collecting box 2, the air inlets of the two smoke exhaust fans 62 are communicated with the inside of the smoke collecting box 2, the smoke exhaust pipe 61 is Y-shaped, the two ends of the lower side of the smoke exhaust pipe 61 are connected with the air inlets of the two smoke exhaust fans 62 respectively, the oxygen sensor 4, the air inlet fan 51 and the smoke exhaust fans 62 are electrically connected with the control module 3, through the simultaneous work of the two smoke exhaust fans 62, the oil fume and air in the smoke collecting box 2 can be quickly exhausted to the outside, in the process, the smoke exhaust effect is improved through the flow of external air, so that the indoor and outdoor air pressure can be balanced, not only the smoke exhaust speed and effect of the closed kitchen can be effectively improved, the air quality in the kitchen is improved, and the oxygen content in the kitchen can be avoided to be reduced, carbon monoxide caused by insufficient gas combustion is prevented, and the ventilation and smoke exhaust effect of the sealed kitchen is improved.

[0023] The circuit connection is a common means adopted by the person skilled in the art, and technical inspiration can be obtained through limited tests, and belongs to the prior art widely used.

[0024] The components not described in detail in the present application are prior art.

[0025] Although the specific embodiments of the utility model have been described in detail above, the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by those skilled in the art without departing from the purpose of the utility model, and the modification or deformation without creative labor is still within the protection range of the utility model.

Claims

1. A closed kitchen mechanical exhaust device, characterized by, The utility model provides a smoke collecting device, including smoke collecting pot (1), the top of smoke collecting pot (1) is fixedly installed with smoke collecting box (2), the bottom of smoke collecting box (2) is communicated with the inside of smoke collecting pot (1), the top of smoke collecting box (2) is fixedly installed with control module (3) and oxygen sensor (4), and the smoke collecting pot (1) and smoke collecting box (2) are installed with air inlet smoke guiding mechanism (5), and the smoke collecting box (2) is installed with smoke discharging mechanism (6); The air inlet smoke guiding mechanism (5) includes air inlet fan (51), gas conveying pipe (52), annular pipe (53), connecting pipe (54), air outlet (55) and air inlet pipe (56), the annular pipe (53) is fixedly installed at the bottom in the smoke collecting pot (1), the air inlet fan (51) is fixedly installed at the top of smoke collecting box (2), the air outlet of air inlet fan (51) is connected with one end of gas conveying pipe (52), the other end of gas conveying pipe (52) is connected with the air inlet of annular pipe (53) side, the air outlet (55) is equipped with four, four air outlets (55) are fixedly installed in four side surfaces of smoke collecting pot (1), the direction of air outlet (55) is parallel with the inclined surface in smoke collecting pot (1), the air outlet (55) is communicated with the inside of annular pipe (53) through a plurality of connecting pipes (54), the air inlet of air inlet fan (51) is connected with one end of air inlet pipe (56), The smoke discharging mechanism (6) includes smoke discharging pipe (61), smoke discharging fan (62) and air deflector (63), the air deflector (63) is fixedly installed at the top in smoke collecting box (2), and a certain gap is left between the air deflector (63) and smoke collecting box (2), the smoke discharging fan (62) is equipped with two, two smoke discharging fans (62) are fixedly installed at the top of both ends of smoke collecting box (2), the air inlets of two smoke discharging fans (62) are communicated with the inside of smoke collecting box (2), the smoke discharging pipe (61) is Y-shaped, and the air inlets of two smoke discharging fans (62) are connected with the air inlets of two smoke discharging fans (62) respectively, the oxygen sensor (4), air inlet fan (51) and smoke discharging fan (62) are electrically connected with control module (3).

2. A closed kitchen mechanical exhaust apparatus according to claim 1, characterized in that: Two air outlets of the side surface of annular pipe (53) are connected with one end of two ventilation pipes (7) respectively, and electromagnetic valves (13) are installed on two ventilation pipes (7), and the electromagnetic valves (13) are electrically connected with control module (3).

3. A closed kitchen mechanical exhaust apparatus according to claim 1, characterized in that: The other end of air inlet pipe (56) is connected with the air outlet of the side surface of air inlet box (8), and a protective net (9) is fixedly installed in the opening of the side surface of air inlet box (8).

4. A closed kitchen mechanical exhaust apparatus according to claim 3, characterized in that: Wavy filter paper (10) is fixedly installed in air inlet box (8).

5. A closed kitchen mechanical exhaust apparatus according to claim 1, characterized in that: The side surface of smoke collecting pot (1) and the side surface of smoke collecting box (2) are fixedly connected with both ends of two mounting racks (11), and two mounting holes (12) are formed in the side surface of mounting rack (11).

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