CN111006291B

CN111006291B - Fume exhaust fan

Info

Publication number: CN111006291B
Application number: CN202010031341.0A
Authority: CN
Inventors: 刘杰; 徐鑫; 陈浩辉
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2019-01-14
Filing date: 2020-01-13
Publication date: 2021-08-20
Anticipated expiration: 2040-01-13
Also published as: CN210861257U; CN211822556U; CN212378029U; CN211625390U; CN210861274U; CN111023221B; CN211822584U; CN210861258U; CN212378031U; CN210399058U; CN211625391U; CN211119553U; CN211119552U; CN210662985U; CN210861270U; CN111006291A; CN111023221A; CN211119554U; CN211372530U; CN211372528U

Abstract

The invention relates to a range hood, which comprises a shell and a fan system arranged in the shell, and is characterized in that: the casing lower part has the smoke inlet chamber of vertical extension, it has the mouth of advancing that is linked together with this smoke inlet chamber to open on preceding lateral wall and/or the diapire of casing lower part, casing upper portion has the collection smoke chamber that is linked together with advancing the smoke chamber, collection smoke chamber extends forward and forms the installation cavity that is used for installing fan system, and it has the last inlet scoop that is linked together with the installation cavity to open on the casing that this installation cavity bottom corresponds. The upper air suction opening is formed in the bottom of the mounting cavity, and when the problem that oil smoke escapes upwards exists at the smoke inlet at the lower portion of the shell, the escaped oil smoke can be sucked away through the upper air suction opening, so that the oil smoke suction effect is improved.

Description

Fume exhaust fan

Technical Field

The invention relates to a range hood.

Background

Range hood is the electrical apparatus that is essential in the kitchen at present, and is comparatively common and use more extensively to arrange oily smoke purification system in last.

At present, the upward-exhaust oil fume purification system is mainly divided into two types: a top-suction range hood and a near-suction range hood. The top-suction type range hood is more attractive, but the smoke inlet is higher, and the smoke suction effect is limited; compared with a top-suction range hood, the near-suction range hood has a lower smoke inlet, but is influenced by the appearance structure and the internal air duct structure of the near-suction range hood, and the existing near-suction range hood cannot better approach oil smoke, so that the oil smoke suction effect is limited to a great extent.

The range hood with the vertical flue is beneficial to approaching a smoke source and quickly sucking away oil smoke, but once the oil smoke upwards overflows to a region separated from the smoke inlet, the oil smoke is difficult to discharge again, and the kitchen environment is influenced.

Disclosure of Invention

The invention aims to solve the technical problem of providing a range hood which can avoid oil smoke from escaping and improve the oil smoke absorption effect aiming at the current situation of the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a range hood, includes the casing and locates the fan system in this casing, its characterized in that: the casing lower part has the smoke inlet chamber of vertical extension, it has the mouth of advancing that is linked together with this smoke inlet chamber to open on preceding lateral wall and/or the diapire of casing lower part, casing upper portion has the collection smoke chamber that is linked together with advancing the smoke chamber, collection smoke chamber extends forward and forms the installation cavity that is used for installing fan system, and it has the last inlet scoop that is linked together with the installation cavity to open on the casing that this installation cavity bottom corresponds.

In the above scheme, the upper air suction opening is provided with a switch assembly capable of being opened or closed, and the switch assembly is mounted on the shell. The switch assembly is arranged, when overflowing oil smoke exists at the bottom of the mounting cavity, the upper air suction opening can be opened to suck the oil smoke, and when the overflowing oil smoke does not exist at the bottom of the mounting cavity, the upper air suction opening can be kept closed, so that the integral attractiveness of the range hood is kept.

Preferably, the switch assembly can be arranged on the shell in a vertically-overturning manner relative to the upper air suction opening, the switch assembly can be hidden in the installation cavity in an upward-overturning manner and can be exposed below the installation cavity in a downward-overturning manner, and the front side wall of the switch assembly is provided with an air vent capable of communicating the installation cavity with the outside in a state that the air vent is exposed below the installation cavity. The structure can hide the switch component in the shell when not in use, so as to keep the whole machine beautiful.

In each of the above schemes, the fan system is a double-air-intake fan system, the rear side of the fan system is provided with a main air inlet arranged corresponding to the smoke collection cavity, and the front side of the fan system is provided with an auxiliary air inlet arranged corresponding to the installation cavity. The fan system is installed on the inner top wall of the shell through a fan frame, and the lower edge of the front side of the fan frame is bent backwards to form a baffle capable of separating a smoke collection cavity from an installation cavity. The upper part of the baffle extends to the rear side wall of the fan system from front to back in a gradually downward inclined mode, the included angle between the upper part of the baffle and the horizontal plane is 3-10 degrees, the lower part of the baffle continues to extend to the upper edge of the front wall of the smoke inlet cavity from front to back in a gradually downward inclined mode, the included angle between the lower part of the baffle and the horizontal plane is 60-85 degrees, and the baffle is used for separating the smoke collecting cavity from the installation cavity and further has the effect of guiding oil dripping on the fan system downwards.

Preferably, the switch assembly comprises a body and a driving piece, the body is provided with a bottom plate matched with the size of the upper air suction opening, and a first side plate and a second side plate which extend upwards from two side edges of the bottom plate respectively, the front edge of the first side plate, the front edge of the second side plate and the front edge of the bottom plate are connected with the front side plate, the rear edge of the bottom plate is rotatably connected to the rear edge of the upper air suction opening, the air suction opening is formed in the front side plate, and the driving piece is arranged in the shell and used for driving the body to turn. By adopting the structure, when the switch component is turned downwards to enable the upper air inlet to be opened, oil smoke is sucked into the mounting cavity from the air inlet, in the process, the obliquely arranged bottom plate can guide the oil smoke, the oil smoke is prevented from being accumulated in the corner area formed by the upper part and the lower part of the baffle plate in a large amount, and the oil smoke is guided by the bottom plate and then goes upwards and is sucked away through the auxiliary air inlet more quickly.

Preferably, the switch assembly is turned up to be hidden in the installation cavity, and the lower surface of the bottom plate is substantially aligned with the lower wall surface of the shell corresponding to the bottom of the installation cavity. By adopting the structure, the whole machine is more beautiful under the condition that the upper air inlet is closed.

Preferably, an extension plate extends forwards at the upper edge of the front side plate, an L-shaped overlapping edge extending upwards and forwards is arranged at the front edge of the extension plate, the switch assembly is turned downwards to be exposed under the installation cavity, the extension plate is filled in the upper air suction opening in front of the front side plate, and the L-shaped overlapping edge is erected on the inner wall of the shell at the front edge of the upper air suction opening. The extension plate can only allow oil smoke to enter through the air inlet and flow upwards after being guided by the bottom plate under the condition that the upper air inlet is opened, and the oil smoke is prevented from directly upwards moving from the front edge of the upper air inlet, so that the influence on the smoking effect caused by mutual collision among the oil smoke is avoided.

In order to facilitate assembly, the driving piece is a motor arranged at the bottom of the mounting cavity, an extending connecting seat is arranged at the upper edge of the bottom plate, and a power output end of the motor is connected with the connecting seat.

Preferably, the bottom of the mounting cavity is further provided with an illumination assembly, and the illumination assembly is positioned on the front side of the switch assembly. This structure can realize straight following formula illumination to the top of a kitchen range, improves illuminating effect to, it is far away from cooking utensils when culinary art, and oil smoke and temperature are less to the influence of the functional component of here installation, can reduce the fault rate problem that the functional component leads to because of the adverse circumstances of oil smoke, high temperature.

Preferably, a smoke baffle plate extending transversely along the smoke inlet is arranged at the upper edge of the smoke inlet. The smoke baffle can improve the smoke gathering effect at the smoke inlet, and further improve the oil smoke absorption effect.

Preferably, the bottom outside of installation cavity is provided with the smoke transducer that can detect the oil smoke, and this smoke transducer can integrate on lighting assembly, is convenient for install and detects the oil smoke here.

Compared with the prior art, the invention has the advantages that: the upper air suction opening is formed in the bottom of the mounting cavity, and when the problem that oil smoke escapes upwards exists at the smoke inlet at the lower portion of the shell, the escaped oil smoke can be sucked away through the upper air suction opening, so that the oil smoke suction effect is improved.

Drawings

FIG. 1 is a schematic structural view (upper air inlet closed) of an embodiment of the present invention;

FIG. 2 is a schematic structural view (with an upper air inlet opened) of an embodiment of the present invention;

FIG. 3 is a cross-sectional view of FIG. 2;

fig. 4 is a schematic structural diagram of a switch assembly in the practice of the present invention.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to 4, the range hood of the present embodiment includes a housing 1 and a fan system 2 disposed in the housing 1. The lower part of the shell 1 is provided with a vertically extending smoke inlet cavity 11, the front side wall of the lower part of the shell 1 is provided with a smoke inlet 111 communicated with the smoke inlet cavity 11, the upper edge of the smoke inlet 111 is provided with a smoke baffle plate 3 transversely extending along the smoke inlet, and the smoke baffle plate 3 can improve the smoke gathering effect of the smoke inlet 111 and further improve the oil smoke absorption effect. The upper part of the shell 1 is provided with a smoke collection cavity 12 communicated with the smoke inlet cavity 11, the smoke collection cavity 12 extends forwards to form a mounting cavity 13 for mounting the fan system 2, it should be noted that the mounting cavity 13 is used for mounting the fan system 2, but the mounting position of the fan system 2 should not be completely limited in the mounting cavity 13, and since the smoke collection cavity 12 and the mounting cavity 13 are integrated, when the fan system 2 is mounted, the part of the fan system 2 can be located in the smoke collection cavity 12 according to requirements. An oil collecting cup 4 with an upward opening is arranged at the lower edge of the shell 1, and the bottom of the smoke inlet cavity 11 is connected with the oil collecting cup 4. Because the smoke inlet cavity 11 at the lower part of the shell 1 vertically extends, the smoke inlet cavity 11 can be made thinner along the width in the front-back direction and can extend downwards to be sufficiently close to the cooker and a smoke generating source, so that the smoke can be quickly sucked into the smoke inlet cavity to be discharged upwards once being generated, and the smoke suction effect is improved.

As shown in fig. 3, the fan system 2 of the present embodiment is a double-intake fan system, the rear side of the fan system 2 has a primary intake 21 disposed corresponding to the smoke collecting cavity 12, and the front side of the fan system 2 has a secondary intake 22 disposed corresponding to the installation cavity 13. The fan system 2 is installed on the inner top wall of the shell 1 through the fan frame 14, and an opening corresponding to the air outlet 23 of the fan system 2 is formed in the inner top wall of the shell 1. The lower edge of the front side of the fan frame 14 is bent backward to form a baffle 15 which can separate the smoke collection chamber 12 from the installation chamber 13. The upper part of the baffle 15 gradually inclines downwards from front to back and extends to the rear side wall of the fan system 2, the included angle between the upper part of the baffle 15 and the horizontal plane is 3-10 degrees, the lower part of the baffle 15 continuously gradually inclines downwards from front to back and extends to the upper edge of the front wall of the smoke inlet cavity 11, the included angle between the lower part of the baffle 15 and the horizontal plane is 60-85 degrees, and the baffle 15 is used for separating the smoke inlet cavity 12 from the installation cavity 13 and also has the effect of guiding oil drops dropping on the fan system 2 downwards.

In this embodiment, the whole configuration of the range hood leaves the bottom of the installation cavity 13 vacant, and the part of the smoke inlet cavity 11 does not shield the bottom of the installation cavity 13, so that the functional components can be conveniently arranged at the bottom. An upper air suction opening 131 communicated with the mounting cavity 13 is formed on the shell 1 corresponding to the bottom of the mounting cavity 13. The upper air inlet 131 is provided with a switch assembly 5 capable of opening or closing the upper air inlet, and the switch assembly 5 is mounted on the housing 1.

As shown in fig. 3 and 4, the switch module 5 is provided on the housing 1 so as to be vertically turnable with respect to the upper air inlet 131, and the switch module 5 is hidden in the mounting cavity 13 by being turned upward and exposed below the mounting cavity 13 by being turned downward. The front side wall of the switch component 5 is provided with a ventilation opening 50 which can communicate the installation cavity 13 with the outside under the state that the ventilation opening is exposed under the installation cavity 13. Specifically, the switch assembly 5 includes a body 51 and a driving member 52, the body 51 has a bottom plate 511 matching the size of the upper air inlet 131, and a first side plate 512 and a second side plate 513 respectively extending upward from two side edges of the bottom plate 511, the front edge of the first side plate 512, the front edge of the second side plate 513, and the front edge of the bottom plate 511 are connected with the front side plate 514, the rear edge of the bottom plate 511 is rotatably connected with the rear edge of the upper air inlet 131, and the air inlet 50 is opened on the front side plate 514. The driving member 52 is provided in the housing 1 and serves to drive the body 51 to be turned upside down. When the switch assembly 5 is turned down to open the upper air inlet 131, the oil smoke is sucked into the installation cavity 13 from the air inlet 50, in the process, the obliquely arranged bottom plate 511 can guide the oil smoke, so that the oil smoke is prevented from being accumulated in a corner area formed by the upper part and the lower part of the baffle 15 in a large amount, and the oil smoke is guided by the bottom plate 511 to go upwards and is sucked away through the auxiliary air inlet 22 more quickly.

As shown in fig. 1, in a state where the switch assembly 5 is turned up to be hidden in the mounting chamber 13, the lower surface of the bottom plate 511 is substantially aligned with the lower wall surface of the housing 1 corresponding to the bottom of the mounting chamber 13. By adopting the structure, the whole machine is more beautiful under the condition that the upper air inlet 131 is closed. As shown in fig. 3, an extension plate 515 is formed by extending forward at the upper edge of the front side plate 514, and an L-shaped overlapping edge 516 extending upward and forward is provided at the front edge of the extension plate 515, the switch assembly 5 is turned down to be exposed under the mounting cavity 13, the extension plate 515 is filled in the upper air suction opening 131 in front of the front side plate 514, and the L-shaped overlapping edge 516 is erected on the inner wall of the housing 1 at the front edge of the upper air suction opening 131. The extension plate 515 may allow the oil smoke to enter through the ventilation opening 50 and to be guided by the bottom plate 511 to go upward when the upper air inlet 131 is opened, so as to prevent the oil smoke from going upward directly from the front edge of the upper air inlet 131, thereby preventing the oil smoke from colliding with each other and affecting the smoking effect. For the convenience of assembly, the driving member 52 is a motor disposed at the bottom of the mounting cavity 13, and an extended connecting seat 517 is disposed at the upper edge of the bottom plate 511, and a power output end of the motor is connected to the connecting seat 517.

In this embodiment, the bottom of the mounting cavity 13 is further provided with an illumination assembly 6, and the illumination assembly 6 is located at the front side of the switch assembly 5. This structure can realize straight following formula illumination to the top of a kitchen range, improves illuminating effect to, it is far away from cooking utensils when culinary art, and oil smoke and temperature are less to the influence of the functional component of here installation, can reduce the fault rate problem that the functional component leads to because of the adverse circumstances of oil smoke, high temperature. The bottom outside of installation cavity 13 is provided with the smoke transducer 7 that can detect the oil smoke, and this smoke transducer 7 can be integrated on lighting component 6, is convenient for install and detects the oil smoke here.

When the range hood of the embodiment is used, the range hood is started, and when the oil smoke generation amount is less and the smoke sensor 7 cannot detect that the oil smoke exists at the bottom of the installation cavity 13, the switch component 5 is hidden in the installation cavity 13, the shell 1 corresponding to the bottom of the installation cavity 13 is in an integral plane, the upper air suction opening 131 is closed, and the oil smoke is discharged upwards through the smoke collection cavity 12 and the main air inlet 21; when the oil smoke generation amount is large, and the smoke sensor 7 detects that oil smoke exists at the bottom of the installation cavity 13, the driving part 52 drives the switch component 5 to turn downwards, so that the air ventilation opening 50 is exposed below the installation cavity 13 and is arranged forwards due to the front side plate 514, at this time, a large amount of oil smoke is still discharged upwards through the smoke collection cavity 12 and the main air inlet 21, and a small amount of oil smoke escaping upwards enters the installation cavity 13 after being guided by the bottom plate 511 through the air ventilation opening 50 and is discharged through the auxiliary air inlet 22.

Claims

1. The utility model provides a range hood, includes casing (1) and locates fan system (2) in this casing (1), its characterized in that: the lower part of the shell (1) is provided with a vertically extending smoke inlet cavity (11), the front side wall and/or the bottom wall of the lower part of the shell (1) is/are provided with a smoke inlet (111) communicated with the smoke inlet cavity (11), the upper part of the shell (1) is provided with a smoke collecting cavity (12) communicated with the smoke inlet cavity (11), the smoke collecting cavity (12) extends forwards to form a mounting cavity (13) for mounting a fan system (2), and the shell (1) corresponding to the bottom of the mounting cavity (13) is provided with an upper air suction opening (131) communicated with the mounting cavity (13);

the fan system (2) is a double-air-inlet fan system, a main air inlet (21) arranged corresponding to the smoke collection cavity (13) is formed in the rear side of the fan system (2), and an auxiliary air inlet (22) arranged corresponding to the installation cavity (13) is formed in the front side of the fan system (2); a switch assembly (5) capable of opening or closing the upper air suction opening (131) is arranged at the upper air suction opening, and the switch assembly (5) is arranged on the shell (1);

the switch assembly (5) can be arranged on the shell (1) in a vertically-overturning manner relative to the upper air suction opening (131), the switch assembly (5) can be hidden in the installation cavity (13) in an upward-overturning manner and can be exposed below the installation cavity (13) in a downward-overturning manner, and an air penetration opening (50) which can communicate the installation cavity (13) with the outside in a state that the switch assembly (5) is exposed below the installation cavity (13) is formed in the front side wall of the switch assembly (5);

the switch component (5) comprises a body (51) and a driving piece (52), wherein the body (51) is provided with a bottom plate (511) matched with the size of the upper air suction opening (131) and a first side plate (512) and a second side plate (513) which extend upwards from the edges of the two sides of the bottom plate (511), the front edge of the first side plate (512), the front edge of the second side plate (513) and the front edge of the bottom plate (511) are connected with the front side plate (514), the rear edge of the bottom plate (511) is rotatably connected with the rear edge of the upper air suction opening (131), the air ventilation opening (50) is formed in the front side plate (514), and the driving piece (52) is arranged in the shell (1) and used for driving the body (51) to turn.

2. The range hood of claim 1, wherein: the switch assembly (5) is turned upwards to be hidden in the mounting cavity (13), and the lower surface of the bottom plate (511) is basically aligned with the lower wall surface of the shell (1) corresponding to the bottom of the mounting cavity (13).

3. The range hood of claim 1, wherein: the upper edge of the front side plate (514) extends forwards to form an extension plate (515), an L-shaped overlapping edge (516) extending upwards and forwards is arranged at the front edge of the extension plate (515), the switch assembly (5) is turned downwards to be exposed under the mounting cavity (13), the extension plate (515) is filled in an upper air suction opening (131) in front of the front side plate (514), and the L-shaped overlapping edge (516) is erected on the inner wall of the shell (1) at the front edge of the upper air suction opening (131).

4. The range hood of claim 1, wherein: the driving piece (52) is a motor arranged at the bottom of the installation cavity (13), an extended connecting seat (517) is arranged at the upper edge of the bottom plate (511), and a power output end of the motor is connected with the connecting seat (517).

5. The range hood according to any one of claims 1 to 4, wherein: the bottom of the mounting cavity (13) is also provided with a lighting assembly (6), and the lighting assembly (6) is positioned on the front side of the switch assembly (5).

6. The range hood according to any one of claims 1 to 4, wherein: and a smoke baffle plate (3) transversely extending along the smoke inlet (111) is arranged at the upper edge of the smoke inlet (111).

7. The range hood according to any one of claims 1 to 4, wherein: and a smoke sensor (7) capable of detecting oil smoke is arranged on the outer side of the bottom of the mounting cavity (13).

8. The range hood according to any one of claims 1 to 4, wherein: the fan system (2) is installed on the inner top wall of the shell (1) through a fan frame (14), and the lower edge of the front side of the fan frame (14) is bent backwards to form a baffle (15) capable of separating the smoke collection cavity (12) from the installation cavity (13).