Integrated stove with central air curtain and side air curtain

Abstract

The present invention discloses an integrated stove with a central air curtain and side air curtains, comprising a cabinet body and a machine head portion arranged on the cabinet body, a bellows device is arranged in the cabinet body, the machine head portion comprises a smoke inlet portion and a smoke guide portion arranged below the smoke inlet portion, a smoke inlet is arranged at the bottom of the smoke inlet portion, and also comprises at least one air supply device, side air ducts are vertically arranged on the left and right sides of the smoke guide portion, a central air duct is arranged on the front side of the smoke guide portion between the side air ducts, a swirl surface for rotating the air flow passing therethrough is provided between the front side of the smoke guide portion and the inner side surface of the side air duct, a plurality of first exhaust holes facing the swirl surface are vertically arranged on both sides of the central air duct and / or a plurality of second exhaust holes for discharging air forward are vertically arranged on the front side of the side air duct, and the air outlet of the air supply device is respectively communicated with the air inlet of the central air duct and / or the air inlet of the side air duct.

Description

Technical Field

[0001] The invention relates to the field of kitchen appliances, and in particular to an integrated stove with a central air curtain and side air curtains. Background Art

[0002] The oil fume suction function on the integrated stove is the main means of collecting oil fume in the kitchen. How to improve the suction efficiency of the integrated stove has always been an important content of the integrated stove design and research. When the traditional integrated stove inhales air, its suction range is a hemispherical area, and the gas in all directions is inhaled indiscriminately. In this way of suction, the air flow rate at the air inlet position is relatively large, and the air flow rate far away from the air inlet position will drop rapidly as the distance from the air inlet increases. Therefore, within a very short distance below the air inlet, the upward speed of the air has become very small, making the upward suction force insufficient, and it is very easy to be disturbed by external factors, such as people walking, fans or air conditioning running, etc., which can disturb the airflow, so that the oil fume or pollutants escape with the flow of the disturbed airflow, resulting in poor smoke collection and smoking effects of the integrated stove. Summary of the invention

[0003] In view of the defects of the above-mentioned prior art, the technical problem to be solved by the present invention is to prevent the escape of oil smoke or pollutants due to external airflow disturbance, and to improve the smoke collection and suction effect of the integrated stove.

[0004] An integrated stove with a central air curtain and side air curtains comprises a cabinet body and a machine head portion arranged on the cabinet body, a bellows device is arranged in the cabinet body, the machine head portion comprises a smoke inlet portion and a smoke guide portion arranged below the smoke inlet portion, a smoke inlet is arranged at the bottom of the smoke inlet portion, and also comprises at least one air supply device, side air ducts are vertically arranged on the left and right sides of the smoke guide portion, a central air duct is arranged on the front of the smoke guide portion between the side air ducts, a swirl surface for rotating the air flow passing therethrough is provided between the front of the smoke guide portion and the inner side surface of the side air duct, a plurality of first exhaust holes facing the swirl surface are vertically arranged on both sides of the central air duct and / or a plurality of second exhaust holes for exhausting air forward are vertically arranged on the front of the side air duct, and the air outlet of the air supply device is respectively connected to the air inlet of the central air duct and / or the air inlet of the side air duct.

[0005] Furthermore, the swirl surface is an inclined surface or an arc surface extending from the front side of the smoke guiding portion toward the front side of the side airway, and the cross-sectional area of ​​the inclined surface or the arc surface in the horizontal direction gradually increases from bottom to top.

[0006] Furthermore, one end of the arc surface is tangent to the front side of the smoke guide portion, and the other end of the arc surface is tangent to the front extension direction of the side airway, and the arc surface is concave.

[0007] Furthermore, any horizontal cross section of the arc surface is a quarter arc.

[0008] Preferably, the front side of the side airway is a plane or a curved surface inclined downward.

[0009] Preferably, the first exhaust hole and the second exhaust hole are respectively a circular hole, a long strip hole, a polygonal hole, a star-shaped hole, or a special-shaped hole.

[0010] Furthermore, the air supply device includes an air inlet arranged on the machine head, a fan is provided at the air inlet in the machine head, and ventilation ducts are provided between the air outlet of the fan and the air inlet of the central air duct and the air inlet of the side air duct.

[0011] Furthermore, an air intake cover is provided on the air intake hole.

[0012] Furthermore, a filter layer is provided between the air intake cover and the air intake end of the fan.

[0013] Compared with the prior art, the present invention has at least the following beneficial effects:

[0014] 1. The integrated stove of the present invention sprays gas from the central airway to the swirl surface to form a central wind curtain, and forms a unique spiral airflow through the suction force of the bellows device, which can form a swirl suction and gathering effect before the oil smoke gas diffuses, achieving an efficient smoke collection effect;

[0015] 2. The gas ejected forward from the side airway drives the surrounding airflow to flow together under the effect of air viscosity, and forms a swirl under the action of the swirl surface, further enhancing the rotating smoking effect;

[0016] 3. The swirl can cut the oil smoke into different areas, preventing the oil smoke from spreading and preventing external airflow interference. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional schematic diagram of an integrated stove with a central air curtain and side air curtains according to the present invention;

[0018] Figure 2 The invention discloses an exploded stereoscopic schematic diagram of an integrated stove with a central air curtain and side air curtains. DETAILED DESCRIPTION

[0019] In order to enable those skilled in the art to better understand the solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiment of the present invention. Obviously, the described embodiment is only a part of the embodiment of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of the technical solution for protection of the present invention.

[0020] like Figure 1-2 As shown, an integrated stove with a central air curtain and side air curtains comprises a cabinet portion 1 and a machine head portion 10 arranged on the cabinet portion 1, a bellows device 11 is arranged in the cabinet portion 1, the machine head portion 10 comprises a smoke inlet portion 12 and a smoke guide portion 13 arranged below the smoke inlet portion 12, a smoke inlet port 15 is arranged at the bottom of the smoke inlet portion 12, and at least one air supply device 2 is also included, side air ducts 3 are vertically arranged on the left and right sides of the smoke guide portion 13, a central air duct 4 is arranged between the side air ducts 3 on the front of the smoke guide portion 13, a swirl surface 14 for rotating the air flow passing therethrough is arranged between the front of the smoke guide portion 13 and the inner side surface of the side air duct 3, and a plurality of first exhaust holes 40 facing the swirl surface 14 and / or a plurality of first exhaust holes 40 arranged vertically on the front of the side air duct 3 are arranged vertically on both sides of the central air duct 4. There are multiple second exhaust holes 30 for discharging air forward. The airflow ejected from the first exhaust holes 40 forms a central wind curtain with spiral flow along the swirl surface 14. The second exhaust holes 30 are arranged in the tangential direction toward the swirl surface 14. The airflow ejected from the second exhaust holes 30 drives the air in the smoke guide part 13 to flow along the swirl surface 14 through the air viscosity effect to form a side air curtain, thereby enhancing the intensity of the rotating airflow. The bellows device 11 is arranged in the cabinet body 1 and is connected to the smoke inlet 12 of the machine head 10. The bellows device 11 is used to suck oil smoke and form an upward axial suction force on the swirl gas. The air outlet of the air supply device 2 is respectively connected to the air inlet of the central air duct 4 and / or the air inlet of the side air duct 3, and the air supply device 2 is used to provide external gas to the first exhaust holes 40 and the second exhaust holes 30.

[0021] During operation, the bellows device 11 and the air supply device 2 are started, and the bellows device 11 sucks the oil smoke from the smoke inlet 15, and after passing through the bellows device 11, it is discharged to the outside through the smoke exhaust pipe in the cabinet 1. The air supply device 2 sends the external gas into the central air duct 4 and the side air duct 3, and sprays it out from the first exhaust hole 40 and the second exhaust hole 30. Due to the gas viscosity effect, the gas sprayed from the first exhaust hole 40 flows toward the swirl surface 14 to form a central wind curtain with spiral flow, and the gas sprayed from the second exhaust hole 30 drives the surrounding gas to form a side wind curtain, which improves the rotation of the airflow, cuts the oil smoke into different areas, prevents the oil smoke from spreading, and forms a spiral upward airflow under the action of the upward axial suction force generated by the bellows device 11, thereby improving the effect of collecting smoke and smoking.

[0022] Specifically, the smoke guide portion 13 of the head portion 10 is located at the rear side of the bottom surface of the smoke inlet portion 12 and the back surfaces of the two are located in the same plane, thereby forming a "7" shape, so that the smoke inlet portion 12 effectively prevents the oil smoke from escaping upward. Preferably, the smoke inlet 15 is composed of a plurality of smoke inlet holes, so that it can act as an oil net, which can achieve the oil smoke separation effect on the one hand, and on the other hand, the oil net can be omitted, simplifying the assembly process and reducing the manufacturing cost.

[0023] Specifically, the bellows device 11 includes a box body and a fan assembly, the box body is arranged in the cabinet body 1 and is connected to the smoke inlet 12 of the machine head 10, the fan assembly is arranged in the box body and its air outlet is connected to the smoke exhaust pipe, and the fan assembly adopts a volute fan;

[0024] Furthermore, the swirl surface 14 is an inclined surface or an arc surface extending from the front of the smoke guide portion 13 toward the front direction of the side airway 3. The cross-sectional area of ​​the inclined surface or the arc surface in the horizontal direction gradually increases upward. The cross-sectional area of ​​the swirl surface 14 gradually increases from bottom to top. When the gas forms a swirl along the swirl surface 14, a tornado effect is formed, which is beneficial to enhance the effect of swirling and gathering the oil smoke.

[0025] Preferably, one end of the arc surface is tangent to the front of the smoke guide part 13, and the other end of the arc surface is tangent to the front extension direction of the side air duct 3. The arc surface is concave, and any horizontal cross-section of the arc surface is a quarter arc. The gas flows through the swirl surface 14, any horizontal cross-section of which is a quarter arc, forming left and right wind curtains. The two wind curtains correspond to the left and right burners of the integrated stove respectively, so that the burner is located in the wind curtain, effectively cutting the oil fume area.

[0026] Preferably, the front side of the side airway 3 is a plane or arc surface inclined downward, and such a setting is conducive to increasing the arc length of the arc surface in the horizontal section, thereby helping to enhance the gas swirl effect.

[0027] Furthermore, the first exhaust hole 40 and the second exhaust hole 30 are respectively round holes, elongated holes, polygonal holes, star-shaped holes, or irregular-shaped holes.

[0028] Preferably, the distance between the front edge of the side air duct 3 and the second exhaust hole 30 is less than 20 mm, which is the optimal distance between the second exhaust hole 30 and the front edge of the side air duct 3, thereby improving the effect of the side wind curtain.

[0029] The air supply device 2 can be arranged on the machine head 10, and the air supply device 2 includes an air inlet 20 arranged on the machine head 10, and a fan 21 is arranged at the air inlet 20 in the machine head 10, and a ventilation duct 22 is arranged between the air outlet of the fan 21 and the air inlet of the central air duct 4 and the air inlet of the side air duct 3 respectively, and an air inlet cover 23 is arranged on the air inlet hole 20. The air inlet cover 23 can prevent users from accidentally touching the air and causing injuries, and can also prevent small objects from falling into the air supply device 2 and damaging the fan. A filter layer 24 is arranged between the air inlet cover 23 and the air inlet end of the fan 21. The filter layer 24 can prevent external impurities from contaminating the fan 21 and the ventilation duct 22 and clogging the air holes after long-term use.

[0030] In the first embodiment, there is one air supply device 2, and the ventilation duct 22 is respectively connected with the air inlet of the central air duct 4 and the air inlet of the side air duct 3, so that external air is sucked in through the fan 21 and discharged from the first exhaust hole 40 and the second exhaust hole 30 through the ventilation duct 22, the central air duct 4 and the side air duct 3. Preferably, the ventilation duct 22 can also be divided into two left and right areas, so that the second exhaust hole 30 of the left air duct 3 and the first exhaust hole 40 on the left side of the central air duct 4 are the left wind curtain, and the second exhaust hole 30 of the right air duct 3 and the first exhaust hole 40 on the right side of the central air duct 4 are the right wind curtain. The gas flow between the two areas in the ventilation duct 22 is controlled by a valve, and the opening of the left and right air curtains can be controlled according to user needs, which has high flexibility and avoids energy waste.

[0031] In the second embodiment, there are two air supply devices 2 and ventilation ducts 22, wherein one air supply device 2 is connected with the second exhaust hole 30 of the left air duct 3 and the first exhaust hole 40 on the left side of the central air duct 4 through the corresponding ventilation duct 22, and the other air supply device 2 is connected with the second exhaust hole 30 of the right air duct 3 and the first exhaust hole 40 on the right side of the central air duct 4 through the corresponding ventilation duct 22, to form left and right wind curtains. The opening of the left and right wind curtains can be controlled according to user needs, with high flexibility and avoiding energy waste.

[0032] The air supply device 2 may also be provided with an air inlet duct at the air outlet of the bellows device 11 , so as to supply part of the air from the air outlet of the bellows device 11 into the central air duct 4 and the side air duct 3 .

[0033] The fan of the air supply device 2 can also be configured as a coaxial fan with the volute fan in the bellows device 11, so that the air supply device 2 and the bellows device 11 can be driven simultaneously by one motor.

[0034] The specific implementation methods described above provide a detailed description of the technical solutions and beneficial effects of the present invention. It should be understood that the above is only the most preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, supplements and equivalent substitutions made within the scope of the principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An integrated stove with a central air curtain and a side air curtain, comprising a cabinet (1) and a head (10) arranged on the cabinet (1), wherein a bellows device (11) is arranged in the cabinet (1), the head (10) comprises a smoke inlet (12) and a smoke guide (13) arranged below the smoke inlet (12), a smoke inlet (15) is arranged at the bottom of the smoke inlet (12), and the smoke inlet (15) is composed of a plurality of smoke inlet holes, characterized in that: It also includes at least one air supply device (2), side air passages (3) are vertically arranged on the left and right sides of the smoke guide portion (13), a central air passage (4) is arranged on the front of the smoke guide portion (13) between the side air passages (3), a swirl surface (14) is arranged between the front of the smoke guide portion (13) and the inner side of the side air passage (3) to rotate the air flow passing therethrough, a plurality of first exhaust holes (40) facing the swirl surface (14) are vertically arranged on both sides of the central air passage (4), and a plurality of second exhaust holes (30) for exhausting air forward are vertically arranged on the front of the side air passage (3), and the air outlet of the air supply device (2) is respectively connected to the air inlet of the central air passage (4) and the air inlet of the side air passage (3).

2. The integrated stove with a central air curtain and a side air curtain according to claim 1, characterized in that: The swirl surface (14) is an inclined surface or an arc surface extending from the front of the smoke guide portion (13) toward the front of the side airway (3), and the cross-sectional area of ​​the inclined surface or the arc surface in the horizontal direction gradually increases from bottom to top.

3. The integrated stove with a central air curtain and a side air curtain according to claim 2, characterized in that: One end of the arc surface is tangent to the front face of the smoke guide portion (13), and the other end of the arc surface is tangent to the front extension direction of the side airway (3), and the arc surface is concave.

4. The integrated stove with a central air curtain and a side air curtain according to claim 3, characterized in that: Any horizontal cross section of the arc surface is a quarter arc.

5. An integrated stove with a central air curtain and side air curtains according to any one of claims 1 to 4, characterized in that: The front side of the side airway (3) is a plane or a curved surface inclined downward.

6. An integrated stove with a central air curtain and side air curtains according to any one of claims 1 to 4, characterized in that: The first exhaust hole (40) and / or the second exhaust hole (30) are respectively a circular hole, a long hole, a polygonal hole, or a special-shaped hole.

7. An integrated stove with a central air curtain and side air curtains according to any one of claims 1 to 4, characterized in that: The air supply device (2) comprises an air inlet (20) arranged on the machine head (10), a fan (21) is arranged in the machine head (10) at the air inlet (20), and a ventilation duct (22) is arranged between the air outlet of the fan (21) and the air inlet of the central air duct (4) and the air inlet of the side air duct (3).

8. The integrated stove with central air curtain and side air curtain according to claim 7, characterized in that: An air intake cover (23) is provided on the air intake hole (20).

9. The integrated stove with central air curtain and side air curtain according to claim 8, characterized in that: A filter layer (24) is provided between the air intake cover (23) and the air intake end of the fan (21).

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