CN209819642U

CN209819642U - Smokeless electric oven

Info

Publication number: CN209819642U
Application number: CN201920594552.8U
Authority: CN
Inventors: 李一峰; 张自忠; 李�浩
Original assignee: Bear Electrical Appliance Co Ltd
Current assignee: Bear Electrical Appliance Co Ltd
Priority date: 2019-04-26
Filing date: 2019-04-26
Publication date: 2019-12-20
Anticipated expiration: 2029-04-26

Abstract

The utility model discloses a smokeless electric oven, which comprises a shell, a heating body arranged in the shell, a baking tray arranged above the heating body, an air channel with an oil smoke inlet and an oil smoke outlet at two ends respectively, and an oil smoke removing device communicated with the oil smoke outlet; the overware includes the overware body, and one of them side of this overware body has the bounding wall that upwards extends the setting, and the upper end of bounding wall has the turn-ups portion that the orientation turn-ups of keeping away from the overware body set up, is equipped with the oil absorption mouth on this bounding wall, and this oil absorption mouth is linked together the setting with the oil smoke entry in wind channel. The utility model has the advantages of simple structure, convenient use and better oil smoke removing effect.

Description

Smokeless electric oven

Technical Field

The utility model relates to a kitchen cooking utensil especially relates to a smokeless electric oven.

Background

The oil smoke contains various harmful substances such as acrolein, benzene, formaldehyde, crotonaldehyde and the like, the oil smoke generated in the cooking process needs to be reduced by being sucked by people by adopting an oil smoke extraction system, and the current environmental protection regulation is to collect and separate the oil smoke to reduce or even avoid directly discharging the oil smoke into the air.

An electric oven is a common barbecue cooking appliance, and is popular among many people due to convenient operation and use and burnt aroma of barbecue food. However, a large amount of oil smoke is generated during the barbecue process using the electric oven. For example, chinese patent CN201720943392 discloses a healthy barbecue oven with a built-in smoke exhaust system, which includes an oven body, a heat source, a barbecue carrier, a smoke exhaust system, a smoke conveying pipe, a filter and a smoke exhaust hole, wherein a smoke collecting cover is disposed above the barbecue carrier, the smoke collecting cover is connected to the smoke conveying pipe, the smoke exhaust system is a high-suction fan and disposed in the smoke conveying pipe, the smoke exhaust system extracts smoke in the barbecue process and conveys the smoke through the smoke conveying pipe, the smoke is conveyed to the filter through the smoke conveying pipe, and harmful gases in the smoke are adsorbed by the filter. This technical scheme needs set up above barbecue carrier (overware) and gathers the cigarette lid, thereby overall structure is complicated and the user need open repeatedly and close and gather the cigarette lid when getting, putting barbecue food material and operate and use inconveniently.

SUMMERY OF THE UTILITY MODEL

The utility model provides a simple structure, convenient to use and the smokeless electric oven that removes the oil smoke effect preferred.

The utility model discloses a following technical scheme realizes: a smokeless electric oven comprises a shell, a heating body arranged in the shell, a baking tray arranged above the heating body, an air channel with two tail ends respectively provided with an oil smoke inlet and an oil smoke outlet, and an oil smoke removing device communicated with the oil smoke outlet; the overware includes the overware body, and one of them side of this overware body has the bounding wall that upwards extends the setting, and the upper end of bounding wall has the turn-ups portion that the orientation turn-ups of keeping away from the overware body set up, is equipped with the oil absorption mouth on this bounding wall, and this oil absorption mouth is linked together the setting with the oil smoke entry in wind channel.

The baking tray body is square, the four side edges of the baking tray body are provided with surrounding plates, and the oil smoke suction port is arranged on the surrounding plate of one side edge of the baking tray body.

The baking tray body is rectangular, the four side edges of the baking tray body are provided with surrounding plates, and the oil smoke suction port is arranged on the surrounding plate of one of the longer side edges of the baking tray body.

Wherein, the coamings at two sides adjacent to the oil smoke suction port are provided with connecting plates.

The end face of the oil smoke inlet is connected with the enclosing plate in a sealing mode through the sealing portion, so that the oil smoke inlet is communicated with the oil smoke suction port.

The outer side edge of the flanging part is provided with a baffle which is bent downwards, the baffle, the flanging part and the enclosing plate enclose an air guide groove with a downward notch, and the end surface of the oil smoke inlet is connected with the air guide groove through the sealing part so that the oil smoke inlet is communicated with the oil smoke suction port.

The oil fume removing device comprises a volute in which a volute air channel is arranged, and an air inlet and an air outlet are respectively formed in the first tail end and the second tail end of the volute air channel; a turbine disposed within the first end of the volute duct; and the motor is connected with the turbine in a transmission way to drive the turbine to rotate, and a transmission shaft of the motor is connected with the turbine in a transmission way.

Wherein, the wind channel is from oil smoke entry towards the convergence setting of oil smoke export.

The air duct comprises an air collecting channel for collecting oil smoke and an air guide channel for guiding the oil smoke in the air collecting channel into the volute, the air collecting channel and the air guide channel are communicated through an arc transition part adopting an arc transition design, an oil smoke inlet is arranged in the air collecting channel, and an oil smoke outlet is arranged in the air guide channel.

The oil-smoke separating device also comprises a filter arranged on a flow path of air discharged from an air outlet of the volute, and the filter is a plurality of filter screens or/and movable carbon filters with the pore diameters sequentially decreasing from large to small.

Compared with the prior art that the smoke collecting cover is arranged above the baking tray, the structure for realizing the function of absorbing the oil smoke (or collecting the oil smoke) is simplified, and the same function of basically absorbing the oil smoke into the oil smoke absorbing port can be basically realized; and, compare prior art individuality like product at 2 at least sides of overware or set up the technical scheme of oil absorption mouth respectively all around and compare, the utility model discloses because only the longer side of size is equipped with the oil absorption mouth on the overware to avoided among the prior art a plurality of oil absorption mouths to produce the not suction of equidirectional suction messenger barbecue production the oil smoke turbulent flow and each oil absorption mouth of mutual interference oil smoke entering, the utility model discloses make the oil smoke realize oil smoke separation processing with the mode of advection from the oil absorption mouth sucking back smoothly by oil smoke separator, have good oil smoke removal effect and cook in order to realize no oil smoke barbecue.

Drawings

Fig. 1 is a perspective view of a baking pan from one perspective.

Fig. 2 is a perspective view of the baking tray from another perspective.

Fig. 3 is a schematic view of the internal structure of an embodiment of an electric oven.

Fig. 4 is a schematic structural view of the connection between the baking tray and the fume suction duct in fig. 3.

Detailed Description

To further clarify the technical solutions and effects adopted by the present application to achieve the intended purpose, the following detailed description is given with reference to the accompanying drawings and preferred embodiments according to the present application. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

As shown in fig. 1 and 2, a grill pan 8 for a smokeless electric grill is disclosed, the grill pan 8 includes a grill pan body 80, one side of the grill pan body 80 has a surrounding plate 81 extending upward, the upper end of the surrounding plate 81 has a flanging portion 82 flanging toward a direction away from the grill pan body 80, and the surrounding plate 81 is provided with an oil smoke suction port 83. For example, the smoke exhaust port 83 includes a plurality of through slots with smaller sizes, and the through slots are preferably disposed throughout the portions of the enclosure 81.

In one embodiment, the grill pan body 80 is square, the surrounding plates 81 are disposed on four sides of the grill pan body 80, and the smoke exhaust port 83 is disposed on the surrounding plate 81 on one side of the grill pan body 80. In another embodiment, the grill pan body 80 is rectangular, the surrounding plates 81 are disposed on four sides of the grill pan body 80, and the smoke exhaust port 83 is disposed on the surrounding plate 81 on one of the longer sides of the grill pan body 80. And, the shroud plate 81 adjacent to the smoke exhaust port 83 is provided with a connecting plate 86 to fix the grill plate 8 and the housing of the smokeless electric oven.

Referring to fig. 3, the smokeless electric oven of the present invention includes a housing 4, a heating element 7 (the heating element 7 generally adopts heating wires or electric heating tubes) disposed in the housing 4, a baking tray 8 disposed above the heating element 7, an air duct 54 having an oil smoke inlet 541 and an oil smoke outlet 542 at two ends, and an oil smoke removing device communicated with the oil smoke outlet 542, wherein the oil smoke inlet 541 is communicated with the oil smoke suction port 83 of the baking tray 8.

The oil fume removing device comprises a volute 51 internally provided with a volute air duct, and an air inlet 511 and an air outlet are respectively arranged at the first tail end and the second tail end of the volute air duct; a turbine 52 disposed within the first end of the volute duct (turbine 52 is typically a centrifugal rotor); and the motor 53 is in transmission connection with the turbine 52 to drive the turbine 52 to rotate, and the transmission shaft of the motor 53 is in transmission connection with the turbine 52.

The motor 53 drives the turbine 52 to rotate to generate negative pressure in the volute air duct, the negative pressure is transmitted to the oil smoke suction port 83 through the air duct 54, oil smoke generated in the barbecue process of the barbecue grill 8 is sucked into the air duct 54 from the oil smoke suction port 83, the oil smoke is sent into the volute 51 through the air duct 54 and is driven by the motor 53 in the volute air duct to do high-speed rotation motion, small liquid containing oil in the oil smoke is thrown out by centrifugal force and hits the inner wall of the volute 4 to form oil liquid in the process of high-speed centrifugal rotation along with the turbine 53, and the air after oil removal is discharged from the air outlet of the volute 4, so that the oil smoke generated in the barbecue process of the electric barbecue grill is separated from the oil and then discharged.

The end face of the oil smoke inlet 541 is hermetically connected with the surrounding plate 81 through the sealing portion 9, so that the oil smoke inlet 541 is communicated with the air guide groove 85. Referring to fig. 2 and 4, in an embodiment, the outer side of the flange 82 has a baffle 84 bent downward, the baffle 84, the flange 82 and the surrounding plate 81 surround an air guiding groove 85 with a downward opening, and the end surface of the soot inlet 541 is communicated with the air guiding groove 85 through the sealing portion 9.

In order to facilitate the oil smoke to enter the air duct 54, the area of the oil smoke inlet 511 is larger than that of the oil smoke outlet 521; and the air duct 54 is disposed from the oil smoke inlet 541 to the oil smoke outlet 542 in a converging manner, so that the oil smoke entering the air duct 54 from the oil smoke inlet 541 is quickly guided to the oil smoke outlet 542, and enters the air inlet 511 of the volute 51 through the oil smoke outlet 542. In addition, in order to fully utilize the space of the housing 4, the air duct 54 is installed, and the air duct 54 includes an air collecting channel for collecting oil smoke and an air guiding channel for guiding the oil smoke in the air collecting channel to the volute 51, and an arc transition portion of an arc transition design is adopted at a connection position of the air collecting channel and the air guiding channel so as to reduce resistance to the oil smoke entering the air guiding channel from the air collecting channel, wherein the oil smoke inlet 541 is arranged at the air collecting channel, the oil smoke outlet 542 is arranged at the air guiding channel, and the air guiding channel adopts a convergence arrangement of a linear contraction or an arc contraction from the arc transition portion to the oil smoke outlet, so that the negative pressure suction force at the oil smoke outlet 521 is uniformly guided to the oil smoke inlet 511, and the oil smoke sucked from the oil smoke inlet 511 can be quickly guided to the oil smoke outlet 521 to enter the.

Moreover, in order to further reduce the resistance of the oil smoke entering the volute 51 from the oil smoke outlet 542, the oil smoke outlet 542 has a boss with a smooth inner surface and arranged in a circular arc transition manner, the oil smoke outlet 542 is connected with the air inlet 511 of the volute 51 through the boss in a quick positioning manner, and the resistance existing when the oil smoke changes the movement path can be reduced, so that the oil smoke can enter the volute 51 quickly and smoothly.

Even more, in order to further increase the oil smoke purifying capability of the oil smoke separating device, the oil smoke separating device further includes a filter disposed behind the air outlet of the volute 51, i.e., on the flow path of the air discharged from the air outlet of the volute 51. The filter can be a plurality of filter screens with the pore diameters sequentially from large to small so as to filter fixed small particles contained in the air discharged from the air outlet, or/and the filter comprises a movable carbon filter so as to filter all barbecue smells in the air discharged from the air outlet as far as possible, so that the air filtered by the filter is finally discharged in an oil-free, smokeless and tasteless environment-friendly manner.

To sum up, the utility model discloses because oil smoke sucking mouth 83 sets up on the bounding wall 81 of the longer side of overware 8 sizes, and make the even transmission of negative pressure to the oil smoke sucking mouth 83 that deoiling device produced through wind channel 54, thereby each part of oil smoke sucking mouth 83 has even negative pressure suction, oil smoke sucking mouth 83 can carry out the side draught to the oil smoke that overware 8 produced from the longer side of overware 8 sizes, make the oil smoke realize oil smoke separation processing by oil smoke separator after the oil smoke sucking mouth 83 inhales smoothly with the mode of advection, thereby realize no oil smoke barbecue. Therefore, compared with the prior art that the smoke collection cover is arranged above the baking tray 8, the structure for realizing the smoke suction (or smoke collection) function is simplified, and the same function of basically sucking the smoke into the smoke suction port 83 can be basically realized; and, compare prior art individuality like product at 2 at least sides of overware or set up the technical scheme of oil absorption mouth respectively all around and compare, the utility model discloses because only the longer side of size is equipped with oil absorption mouth 83 on the overware to avoided among the prior art a plurality of oil absorption mouths to produce the not equidirectional suction and make the oil smoke that the barbecue produced produce the turbulent flow and the mutual interference oil smoke gets into each oil absorption mouth, the utility model discloses make the oil smoke realize oil smoke separation processing by oil smoke separator after the oil absorption mouth 83 inhales smoothly with the mode of advection, have good oil smoke removal effect in order to realize no oil smoke barbecue culinary art.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A smokeless electric oven comprises a shell (4), a heating element (7) arranged in the shell (4), a baking tray (8) arranged above the heating element (7), an air duct (54) with two tail ends respectively provided with an oil smoke inlet (541) and an oil smoke outlet (542), and an oil smoke removing device communicated with the oil smoke outlet (542); the baking tray is characterized in that the baking tray (8) comprises a baking tray body (80), a surrounding plate (81) extending upwards is arranged on one side edge of the baking tray body (80), a flanging part (82) flanging towards the direction far away from the baking tray body (80) is arranged at the upper end of the surrounding plate (81), an oil smoke suction port (83) is arranged on the surrounding plate (81), and the oil smoke suction port (83) is communicated with an oil smoke inlet (541) of the air duct (54).

2. The smokeless electric oven according to claim 1, wherein the grill body (80) is square, and the grill plates (81) are disposed on the four sides of the grill body (80), and the smoke exhaust port (83) is disposed on the grill plate (81) on one side of the grill body (80).

3. The smokeless electric oven according to claim 1, wherein the grill body (80) is rectangular, and the grill plates (81) are provided on the four sides of the grill body (80), and the smoke exhaust port (83) is provided on the grill plate (81) on one of the longer sides of the grill body (80).

4. The smokeless electric oven according to claim 2 or 3, wherein the enclosing plate (81) is provided with connecting plates (86) on two sides adjacent to the smoke suction port (83).

5. The smokeless electric oven according to claim 1, wherein the end surface of the fume inlet (541) is hermetically connected to the enclosure (81) by a sealing portion (9) to connect the fume inlet (541) and the fume suction port (83).

6. The smokeless electric oven according to claim 1, wherein the outer side of the flange portion (82) has a baffle (84) bent downward, the baffle (84), the flange portion (82) and the surrounding plate (81) define a guiding slot (85) with a downward opening, and the end surface of the fume inlet (541) is connected to the guiding slot (85) through the sealing portion (9) to connect the fume inlet (541) and the fume suction port (83).

7. The smokeless electric oven according to claim 1, wherein the oil fume removing device comprises a volute (51) with a built-in volute air duct, and the first end and the second end of the volute air duct are respectively provided with an air inlet (511) and an air outlet; a turbine (52) disposed within the first end of the volute duct; and the motor (53) is in transmission connection with the turbine (52) to drive the turbine (52) to rotate, and the transmission shaft of the motor (53) is in transmission connection with the turbine (52).

8. The smokeless electric oven according to claim 1, wherein the air duct (54) is disposed converging from the fume inlet (541) toward the fume outlet (542).

9. The smokeless electric oven according to claim 1, wherein the air duct (54) comprises an air collecting passage for collecting the oil smoke and an air guiding passage for guiding the oil smoke in the air collecting passage to the volute (51), the air collecting passage and the air guiding passage are arranged in communication through an arc transition portion adopting an arc transition design, the oil smoke inlet (541) is arranged in the air collecting passage, and the oil smoke outlet (542) is arranged in the air guiding passage.

10. The smokeless electric oven according to claim 7 or 8 or 9, wherein the smoke separating means further comprises a filter disposed on the flow path of the air discharged from the air outlet of the volute (51), the filter being a plurality of filter screens with sequentially decreasing pore sizes or/and a movable charcoal filter.