CN-122015140-A - Range hood with adjustable air quantity

CN122015140ACN 122015140 ACN122015140 ACN 122015140ACN-122015140-A

Abstract

The application relates to the technical field of range hoods, in particular to a range hood with adjustable air quantity, which comprises a shell, wherein a smoke collecting cavity is formed in the shell, an air outlet is formed at the top of the shell, a smoke collecting cover is arranged at the front end of the shell, a left air inlet and a right air inlet are formed in the smoke collecting cover, the left air inlet and the right air inlet are communicated with the air outlet, an air quantity distribution structure is arranged at the rear end of the smoke collecting cover and positioned between the left air inlet and the right air inlet so as to divide the smoke collecting cavity into a left smoke collecting cavity and a right smoke collecting cavity, the air quantity distribution structure comprises an air deflector and a driving assembly for driving the air deflector, and the air deflector is provided with an initial position and is driven by the driving assembly to move relative to the left smoke collecting cavity and the right smoke collecting cavity so as to increase or reduce the opening area of the air outlet corresponding to the left smoke collecting cavity and the right smoke collecting cavity. Compared with the prior art, the application radically prevents the oil smoke from diffusing towards the direction of the unused burner, thereby avoiding the phenomenon of smoke leakage and finally guaranteeing the cleanliness of the kitchen environment.

Inventors

ZENG YUYUAN
LIU BING
Ma haichuan
ZHONG SHAOHAI

Assignees

广东万家乐燃气具有限公司
万家乐热能科技有限公司

Dates

Publication Date: 20260512
Application Date: 20260101

Claims (10)

1. A range hood with adjustable air quantity is characterized by comprising: A smoke collecting cavity is formed in the shell, and an air outlet is formed in the top of the shell; The smoke collecting hood is arranged at the front end of the shell, a left air inlet and a right air inlet are arranged on the smoke collecting hood, and the left air inlet and the right air inlet are communicated with the air outlet; The air quantity distribution structure is arranged at the rear end of the smoke collecting cover and positioned between the left air inlet and the right air inlet so as to divide the smoke collecting cavity into a left smoke collecting cavity and a right smoke collecting cavity; The air quantity distribution structure comprises an air deflector and a driving assembly for driving the air deflector; The air deflector is provided with an initial position, is driven by the driving assembly to move relative to the left smoke collecting cavity and the right smoke collecting cavity so as to increase or reduce the opening areas of the left smoke collecting cavity and the right smoke collecting cavity corresponding to the air outlet.
2. The range hood with adjustable air quantity according to claim 1, wherein a reinforcing plate is arranged on the inner wall of the rear side of the shell, the reinforcing plate is fixedly connected with the driving assembly, two sides of the reinforcing plate are respectively provided with a partition plate, and the two partition plates respectively form the left smoke collecting cavity and the right smoke collecting cavity with the inner walls of the left side and the right side of the shell.
3. The adjustable air volume range hood of claim 2, wherein the drive assembly comprises a drive motor and a motor box; The driving motor is arranged in the motor box, the motor box is fixedly arranged on the reinforcing plate, the driving shaft of the driving motor protrudes out and penetrates through the surface of the motor box, the driving end of the driving shaft is fixedly provided with a rotating shaft, the other end of the rotating shaft is provided with a support, the rotating shaft is rotationally connected to the support, the support is fixedly connected with the fume collecting hood, and the air deflector is fixedly connected with the middle part of the rotating shaft.
4. The range hood with adjustable air quantity according to claim 3, wherein the surface of the motor box is further provided with a micro switch, a first limiting part and a second limiting part, the top of the micro switch is provided with a switch contact, the first limiting part and the second limiting part are located above the switch contact and form a limiting space by taking the three parts as boundaries, a switch pressing plate is arranged in the limiting space, the switch pressing plate is fixedly connected with the driving shaft, and the driving motor drives the switch pressing plate to move in the limiting space.
5. The range hood with adjustable air quantity according to claim 1, wherein a left baffle is arranged at the top corner of the left smoke collecting cavity, a right baffle is arranged at the top corner of the right smoke collecting cavity, two ends of the left baffle are fixedly connected with the inner wall of the top corner of the left smoke collecting cavity respectively, the plate surfaces of the left baffle and the top corner walls of two sides of the left smoke collecting cavity are arranged at an inclined angle, and the plate surfaces of the left baffle and the top corner walls of two sides of the left smoke collecting cavity are enclosed together to form a closed triangle structure; The both ends of right baffle respectively with right collection cigarette chamber's apex angle inner wall fixed connection, the face of right baffle with right collection cigarette chamber's both sides apex angle wall is inclination and is arranged, encloses jointly and closes and form confined triangle-shaped structure.
6. The adjustable air volume range hood of claim 4 further comprising a housing assembly, said housing assembly disposed on top of said housing, said housing assembly comprising a housing and a fan disposed within said housing, said bottom of said housing being in communication with said air outlet.
7. The adjustable air volume range hood of claim 1, wherein the left fume collecting cavity and the right fume collecting cavity are internally provided with sensing components, and the sensing components comprise a fume concentration probe and a temperature probe.
8. The adjustable air volume range hood of claim 6, wherein an electrical box is further arranged above the box assembly, a controller is arranged in the electrical box, and the controller is electrically connected with the micro switch, the driving motor and the induction assembly.
9. The range hood with the adjustable air quantity according to claim 1, wherein the front end of the shell is further provided with a switch glass component and an oil guide glass component, the switch glass component is located above the oil guide glass component, the switch glass component is hinged with the shell, and the oil guide glass component is fixedly connected with the shell.
10. The adjustable air volume range hood according to claim 9, wherein a flap mechanism is further arranged in the shell, a fixed end of the flap mechanism is connected with the inner wall of the shell, and a driving end of the flap mechanism is connected with the switch glass assembly to drive the switch glass assembly to be opened or closed.

Description

Range hood with adjustable air quantity Technical Field The application relates to the technical field of range hoods, in particular to a range hood with adjustable air quantity. Background The household range hood is an indispensable electrical equipment in a modern kitchen, and has the core function of generating suction force through a power device and discharging pollutants such as oil smoke, peculiar smell and the like generated in the cooking process outdoors, thereby maintaining the cleanness of the air in the kitchen and providing a comfortable cooking environment for users. The range hood in the prior art generally adopts a unified air inlet design, and the working principle is that oil smoke is collected through an air inlet on a smoke collecting cover, and after the oil smoke enters a smoke collecting cavity behind the smoke collecting cover, the oil smoke flows along a preset airflow channel under the action of negative pressure of a fan, and finally is discharged to the outside through an air outlet at the top of a shell, so that the oil smoke is sucked and discharged. However, the traditional unified air inlet structure has obvious technical limitations that when a user only uses one side of the burner to cook, the air inlets corresponding to the other side of the burner which is not used are still in an open state, so that the suction force of the range hood is dispersed and cannot be intensively acted on a cooking area for generating oil smoke, and air convection is easily formed between the two air inlets, so that the oil smoke generated by cooking is diffused towards the direction of the unused burner, and then the phenomenon of smoke leakage occurs, and finally the oil smoke sucking efficiency and the cleanliness of the kitchen environment are influenced. Disclosure of Invention The application provides a range hood with adjustable air quantity, which solves the technical problems that the prior art cannot intensively act on a cooking area for generating oil smoke, and air convection is easy to form between two air inlets, so that the oil smoke generated by cooking is diffused towards an unused furnace end, and then the phenomenon of smoke leakage occurs, and finally the oil smoke suction efficiency and the cleanliness of a kitchen environment are influenced. The application provides a range hood with adjustable air quantity, which comprises: A smoke collecting cavity is formed in the shell, and an air outlet is formed in the top of the shell; The smoke collecting hood is arranged at the front end of the shell, a left air inlet and a right air inlet are arranged on the smoke collecting hood, and the left air inlet and the right air inlet are communicated with the air outlet; The air quantity distribution structure is arranged at the rear end of the smoke collecting cover and positioned between the left air inlet and the right air inlet so as to divide the smoke collecting cavity into a left smoke collecting cavity and a right smoke collecting cavity; The air quantity distribution structure comprises an air deflector and a driving assembly for driving the air deflector; The air deflector is provided with an initial position, is driven by the driving assembly to move relative to the left smoke collecting cavity and the right smoke collecting cavity so as to increase or reduce the opening areas of the left smoke collecting cavity and the right smoke collecting cavity corresponding to the air outlet. Further, the inner wall of the rear side of the shell is provided with a reinforcing plate, the reinforcing plate is fixedly connected with the driving assembly, two sides of the reinforcing plate are respectively provided with a partition plate, and the two partition plates respectively form a left smoke collecting cavity and a right smoke collecting cavity with the inner walls of the left side and the right side of the shell. Further, the driving assembly comprises a driving motor and a motor box; The driving motor is arranged in the motor box, the motor box is fixedly arranged on the reinforcing plate, the driving shaft of the driving motor protrudes out and penetrates through the surface of the motor box, the driving end of the driving shaft is fixedly provided with a rotating shaft, the other end of the rotating shaft is provided with a support, the rotating shaft is rotationally connected to the support, the support is fixedly connected with the fume collecting hood, and the air deflector is fixedly connected with the middle part of the rotating shaft. Further, the surface of the motor box is also provided with a micro switch, a first limiting part and a second limiting part, the top of the micro switch is provided with a switch contact, the first limiting part and the second limiting part are both positioned above the switch contact and form a limiting space by taking the three parts as boundaries, a switch pressing plate is arranged in the limiting space, the switch pressing plate is fixe