Smoke exhaust device with anti-interference air duct structure

By designing an anti-interference air duct structure in the downdraft range hood, the heat dissipation chamber and the smoke extraction chamber are made independent, which solves the problem of the heat dissipation chamber interfering with the smoke extraction chamber and achieves efficient smoke extraction and good heat dissipation of the fan.

CN223814690UActive Publication Date: 2026-01-20FOSHAN XIANDE TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520053131.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-09
Publication Date
2026-01-20
Estimated Expiration
2035-01-09

AI Technical Summary

Technical Problem

In existing downdraft range hoods, the heat dissipation chamber is connected to the smoke extraction chamber, causing the airflow in the heat dissipation chamber to interfere with the smoke extraction chamber, thus affecting the smoke extraction effect of the fan.

Method used

Design an anti-interference air duct structure so that the heat dissipation cavity is connected to the outside through heat dissipation holes but not connected to the smoke extraction cavity. A smoke inlet is set on the top of the body and a heat dissipation hole is set on the side wall. The electromagnetic component is located on one side of the smoke inlet, and the air inlet end of the fan is directly opposite the connecting hole, forming an independent airflow path.

Benefits of technology

It improves the smoke extraction efficiency of the fan, avoids interference from the gas in the heat dissipation chamber to the smoke extraction chamber, ensures smooth smoke extraction and exhaust when the fan starts up, and has a good heat dissipation effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a fume extractor with an anti-interference air duct structure, which comprises a machine body, an electromagnetic part and a fan, the machine body is provided with a fume extraction cavity and a heat dissipation cavity, the fume extraction cavity is communicated with the outside, the fan is arranged in the fume extraction cavity, the heat dissipation cavity is communicated with the outside through heat dissipation holes and is not communicated with the fume extraction cavity, and the electromagnetic part is arranged above the heat dissipation cavity. According to the utility model, the heat dissipation cavity is communicated with the outside through the heat dissipation holes and is not communicated with the smoke extraction cavity, so that the fan has good smoke extraction and exhaust effects, and the smoke extraction and exhaust effects of the fan are prevented from being influenced by interference of gas in the heat dissipation cavity on the smoke extraction cavity when the fan is started for smoke extraction and exhaust.
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Description

TECHNICAL FIELD

[0001] The utility model relates to range hood technical field especially has the exhaust device of wind -proof duct structure with preventing. BACKGROUND

[0002] The lower suction type range hood is a device that absorbs and discharges smoke downward to maintain the air cleanliness of the kitchen during cooking. The existing lower suction type range hood comprises a body, a fan and an electromagnetic component. The body has a smoke suction chamber and a heat dissipation chamber. The smoke suction chamber is in communication with the outside. The fan is arranged in the smoke suction chamber. The electromagnetic component is arranged on the top of the body and above the heat dissipation chamber. A heat dissipation fan for blowing air into the heat dissipation chamber is arranged on the electromagnetic component. The heat dissipation chamber is in communication with the smoke suction chamber for heat dissipation of the electromagnetic component. When the lower suction type range hood is in operation, the fan and the heat dissipation fan are started synchronously. Since the heat dissipation chamber is in communication with the smoke suction chamber, the airflow in the heat dissipation chamber and the smoke suction chamber interferes with each other, which affects the smoke suction and discharge effect of the fan. SUMMARY

[0003] The utility model aims at providing the exhaust device of wind -proof duct structure with preventing to solve the problem that the heat dissipation chamber of the existing lower suction type range hood is in communication with the smoke suction chamber, the heat dissipation chamber interferes with the smoke suction and discharge of the smoke suction chamber, and the smoke suction and discharge effect of the fan is poor.

[0004] The utility model is realized through the following technical schemes:

[0005] The exhaust device of wind -proof duct structure with preventing comprises a body, an electromagnetic component and a fan. The body has a smoke suction chamber and a heat dissipation chamber. The smoke suction chamber is in communication with the outside and has the fan arranged therein. The heat dissipation chamber is in communication with the outside through a heat dissipation hole and is not in communication with the smoke suction chamber. The electromagnetic component is arranged above the heat dissipation chamber.

[0006] Further, the top of the body is provided with a smoke inlet hole in communication with the smoke suction chamber. The heat dissipation hole is arranged on the side wall of the body.

[0007] Further, the electromagnetic component is arranged on one side of the smoke inlet hole.

[0008] Further, the heat dissipation chamber and the electromagnetic component are each a plurality of and one-to-one corresponding. The body has a plurality of heat dissipation hole groups. The plurality of heat dissipation hole groups are one-to-one corresponding to the plurality of heat dissipation chambers. The heat dissipation hole group is composed of a plurality of heat dissipation holes arranged at intervals on the body. The plurality of heat dissipation holes in the same group are in communication with the corresponding heat dissipation chambers.

[0009] Further, the smoke suction chamber has an upper smoke suction chamber and a lower smoke discharge chamber stacked one above the other. The smoke suction chamber is on the upper side, and the smoke discharge chamber is on the lower side. The smoke suction chamber is in communication with the smoke discharge chamber and is in communication with the outside through the smoke inlet hole. The smoke discharge chamber is in communication with the outside through a smoke discharge hole and has the fan arranged therein. The smoke inlet hole is arranged on the top of the body, and the smoke discharge hole is arranged on the side wall of the body.

[0010] Further, the smoke suction cavity is communicated with the smoke exhaust cavity through a communication hole, and the air inlet end of the fan is opposite to the communication hole.

[0011] Further, the communication hole is at least partially opposite to the smoke inlet hole.

[0012] Further, the machine body has a bottom shell, a middle shell and a panel which are stacked from bottom to top, the panel and the middle shell jointly form the smoke suction cavity and the heat dissipation cavity, the middle shell and the bottom shell jointly form the smoke exhaust cavity, the panel is provided with the electromagnetic element and the smoke inlet hole, the side wall of the middle shell is provided with the heat dissipation hole, and the side wall of the bottom shell is provided with the smoke exhaust hole.

[0013] Further, the panel and the middle shell are detachably fixedly connected, and / or the middle shell and the bottom shell are detachably fixedly connected.

[0014] The technical scheme has the advantages that the heat dissipation cavity is configured to be communicated with the outside through the heat dissipation hole and not communicated with the smoke suction cavity, so that the fan has good smoke suction and exhaust effect, and the gas in the heat dissipation cavity does not interfere with the smoke suction cavity when the fan starts to suction and exhaust smoke, thereby affecting the smoke suction and exhaust effect of the fan. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced.

[0017] Figure 1 is a perspective view of the smoke exhaust device with the anti-interference air duct structure disclosed in the embodiment;

[0018] Figure 2 is an exploded view of the smoke exhaust device with the anti-interference air duct structure disclosed in the embodiment;

[0019] Figure 3 is a sectional view of the smoke exhaust device with the anti-interference air duct structure disclosed in the embodiment;

[0020] Figure 4 is Figure 3 is a local enlarged view of position A in FIG. 4;

[0021] Figure 5 is a perspective view of the middle shell in the embodiment. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Embodiment: as Figures 1-5 The smoke exhaust device with the anti-interference air duct structure is embedded in a cabinet. The embodiment provides a smoke exhaust device with an anti-interference air duct structure to solve the problem that the heat dissipation cavity of the existing down-draft type range hood is communicated with the smoke suction cavity, the heat dissipation cavity interferes with the smoke suction and exhaust of the smoke suction cavity, and the smoke suction and exhaust effect of the fan is poor. The heat dissipation cavity is configured to be communicated with the outside through the heat dissipation hole and not communicated with the smoke suction cavity, so that the fan has good smoke suction and exhaust effect, and the gas in the heat dissipation cavity does not interfere with the smoke suction cavity when the fan starts to suck and exhaust smoke, thereby affecting the smoke suction and exhaust effect of the fan.

[0024] In the embodiment of the utility model, the top of the body 1 is provided with the smoke inlet hole 104 communicated with the smoke suction cavity 101, and the heat dissipation hole 103 is arranged on the side wall of the body 1. The above-mentioned arrangement is configured with the smoke inlet hole 104 communicated with the smoke suction cavity 101 on the top of the body 1, and the heat dissipation hole 103 is arranged on the side wall of the body 1, so that the gas in the heat dissipation cavity 102 does not interfere with the smoke suction cavity 101 when the fan 3 starts to suck and exhaust smoke, thereby affecting the smoke suction and exhaust effect of the fan 3.

[0025] In the embodiment of the utility model, the electromagnetic element 2 is arranged on one side of the smoke inlet hole 104. The above-mentioned arrangement is configured with the electromagnetic element 2 on one side of the smoke inlet hole 104, so that the smoke exhaust device with the anti-interference air duct structure has good smoke suction and exhaust effect.

[0026] In the embodiment of the utility model, the heat dissipation cavity 102 and the electromagnetic component 2 are one-to-one correspondence, the machine body 1 has several heat dissipation hole groups 105, the several heat dissipation hole groups 105 are one-to-one correspondence with the several heat dissipation cavities 102, the heat dissipation hole group 105 is composed of several heat dissipation holes 103 that are arranged at intervals on the machine body 1, and the several heat dissipation holes 103 in the same group are communicated with the corresponding heat dissipation cavity 102. The above-mentioned setting is configured with the heat dissipation cavity 102, the electromagnetic component 2 and the heat dissipation hole group 105, and the several heat dissipation holes 103 in the same group are communicated with the corresponding heat dissipation cavity 102, so that the smoke exhaust device with the anti-wind disturbance channel structure can be used for multi-oven cooking while having good heat dissipation effect.

[0027] In the embodiment of the utility model, the smoke extraction cavity 101 has the smoke suction cavity 106 and the smoke exhaust cavity 107 stacked up and down, the smoke suction cavity 106 is on the top, and the smoke exhaust cavity 107 is on the bottom. The smoke suction cavity 106 is communicated with the smoke exhaust cavity 107 and communicated with the outside through the smoke inlet hole 104, the smoke exhaust cavity 107 is communicated with the outside through the smoke outlet hole 108, the smoke exhaust cavity 107 is provided with the fan 3, and the smoke outlet hole 108 is arranged on the side wall of the machine body 1. The above-mentioned setting is configured with the smoke suction cavity 106 and the smoke exhaust cavity 107 stacked up and down, the smoke suction cavity 106 is communicated with the outside through the smoke inlet hole 104, the smoke exhaust cavity 107 is communicated with the outside through the smoke outlet hole 108, so that the smoke extraction cavity 101 is compact and reasonable, and is conducive to the miniaturization design of the smoke exhaust device.

[0028] In the embodiment of the utility model, the smoke suction cavity 106 is communicated with the smoke exhaust cavity 107 through the communication hole 109, and the air inlet end of the fan 3 is opposite to the communication hole 109. The above-mentioned setting is configured with the air inlet end of the fan 3 opposite to the communication hole 109, so that the fan 3 is smooth and fast when starting, the smoke suction and exhaust effect is good, and is conducive to the miniaturization design of the smoke exhaust device.

[0029] In the embodiment of the utility model, the communication hole 109 is at least partially opposite to the smoke inlet hole 104. The above-mentioned setting is configured with the communication hole 109 at least partially opposite to the smoke inlet hole 104, so that the fan 3 is smooth and fast when starting, the smoke suction and exhaust effect is good, and is conducive to the miniaturization design of the smoke exhaust device.

[0030] In the embodiment of the utility model, the body 1 has the bottom shell 110, the middle shell 111 and the panel 112 which are stacked from bottom to top, the panel 112 and the middle shell 111 form the smoke suction cavity 106 and the heat dissipation cavity 102, the middle shell 111 and the bottom shell 110 form the smoke exhaust cavity 107, the panel 112 is equipped with the electromagnetic element 2 and the smoke inlet hole 104, the sidewall of the middle shell 111 is equipped with the heat dissipation hole 103, and the sidewall of the bottom shell 110 is equipped with the smoke exhaust hole 108.

[0031] In the embodiment of the utility model, the panel 112 and the middle shell 111 are detachably fixedly connected, and the middle shell 111 and the bottom shell 110 are detachably fixedly connected.

[0032] In the embodiment of the utility model, the lower side of the middle shell 111 is equipped with the positioning groove 113 for the insertion of the bottom shell 110.

[0033] It should be understood that the utility model uses the terms "first", "second" and the like to describe various information, but these information should not be limited to these terms, and these terms are only used to distinguish the same type of information from each other. For example, the "first" information can also be referred to as "second" information without departing from the scope of the utility model, and similarly, the "second" information can also be referred to as "first" information. In addition, the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0034] As described above, one or more embodiments are provided in conjunction with specific content, and it is not intended that the specific implementation of the utility model is limited to these descriptions. Any approximation, similarity or replacement of the method and structure of the utility model, or any technical deduction or replacement under the concept of the utility model should be regarded as the protection of the utility model.

Claims

1. A smoke exhaust device with a wind disturbance prevention duct structure, comprising a machine body, an electromagnetic element and a fan, characterized in that, The machine body has a smoking cavity and a heat dissipation cavity, the smoking cavity is communicated with the outside world and is provided with the fan, the heat dissipation cavity is communicated with the outside world through a heat dissipation hole and is not communicated with the smoking cavity, and the electromagnetic component is arranged above the heat dissipation cavity.

2. The smoke discharging apparatus having a windbreak structure according to claim 1, wherein The machine body is provided with a smoke inlet hole communicated with the smoking cavity at the top, and the heat dissipation hole is arranged on the side wall of the machine body.

3. The smoke discharging apparatus having a windbreak structure according to claim 2, wherein The electromagnetic component is arranged on one side of the smoke inlet hole.

4. The smoke discharging apparatus having a windbreak structure according to claim 1, wherein The heat dissipation cavity and the electromagnetic component are both a plurality of components and are one-to-one corresponding, the machine body has a plurality of heat dissipation hole groups, a plurality of heat dissipation hole groups are one-to-one corresponding with a plurality of heat dissipation cavities, the heat dissipation hole group is composed of a plurality of heat dissipation holes arranged at intervals on the machine body, and a plurality of heat dissipation holes in the same group are communicated with the corresponding heat dissipation cavity.

5. The smoke discharging apparatus having a windbreak structure according to claim 1, wherein The smoking cavity has an upper smoking cavity and a lower exhaust cavity stacked one above the other, the upper smoking cavity is arranged on the top, the lower exhaust cavity is arranged on the bottom, the upper smoking cavity is communicated with the lower exhaust cavity and is communicated with the outside world through a smoke inlet hole, the lower exhaust cavity is communicated with the outside world through an exhaust hole and is provided with the fan, the smoke inlet hole is arranged on the top of the machine body, and the exhaust hole is arranged on the side wall of the machine body.

6. The smoke discharging apparatus having a windbreak structure according to claim 5, wherein The upper smoking cavity is communicated with the lower exhaust cavity through a communication hole, and the air inlet end of the fan is opposite to the communication hole.

7. The smoke discharging apparatus having a windbreak structure according to claim 6, wherein The communication hole is at least partially opposite to the smoke inlet hole.

8. The smoke discharging apparatus having a windbreak structure according to claim 5, wherein The machine body has a bottom shell, a middle shell and a panel arranged from bottom to top, the panel and the middle shell form the smoking cavity and the heat dissipation cavity, the middle shell and the bottom shell form the exhaust cavity, the panel is provided with the electromagnetic component and the smoke inlet hole, the side wall of the middle shell is provided with the heat dissipation hole, and the side wall of the bottom shell is provided with the exhaust hole.

9. The smoke discharging apparatus having a windbreak structure according to claim 8, wherein The panel and the middle shell are detachably fixedly connected, and / or the middle shell and the bottom shell are detachably fixedly connected.