CN106765412A - Fume purifying module and fume extractor - Google Patents

Abstract

The invention discloses an oil fume purification module, which comprises a cylindrical casing, a dust collecting plate and an emitter plate. The casing is formed with an air duct. The dust collecting plate is arranged in the air duct. The dust collecting plate is spaced apart from the air duct along the axial direction of the housing. The emitter plate is arranged opposite to the dust collecting plate. Multiple emitter pins are arranged on the emitter plate, and the multiple emitter pins are located in the air duct. In the above oil fume purification module, an electrostatic field can be formed between the dust collecting plate and the emitter plate to charge the oil fume particles flowing through the air duct, so that the oil fume particles move and attach to the dust collecting plate, thereby achieving the effect of oil fume purification, making the oil fume improved cleanliness. The invention also discloses a smoke exhaust device.

Description

Fume purification module and exhaust device

technical field

The invention relates to the technical field of smoke exhaust, in particular to an oil fume purification module and a smoke exhaust device.

Background technique

At present, with the increase of people's awareness of environmental protection, the fume produced in the family kitchen needs to be purified to a certain extent before being discharged into the atmosphere. Therefore, how to improve the ability of the smoke exhaust device in the family kitchen to purify the oil fume to improve the cleanliness of the oil fume discharged has become a technical problem to be solved.

Contents of the invention

The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the present invention provides an oil fume purification module and a smoke exhaust device.

The oil fume purification module according to the embodiment of the present invention includes a cylindrical casing, a dust collecting plate and an emitter plate. The casing is formed with an air duct. The dust collecting plate is arranged in the air duct. The dust collecting plate is spaced apart from the air duct along the axial direction of the housing. The emitter plate is set opposite to the dust collecting plate. A plurality of emitter needles are arranged on the emitter plate, and the plurality of emitter needles are located in the air duct.

In some embodiments, the casing is cylindrical, the emitter plate is arc-shaped, and the emitter plate is arranged coaxially with the casing.

In some embodiments, the number of the emitter plates is two, and the two emitter plates are respectively arranged on opposite sides of the dust collection plate, and the dust collection plate is connected to one of the emitter plates. The pole plate forms a first sub-air channel, the dust collecting plate and another emitter plate form a second sub-air channel, and the first sub-air channel and the second sub-air channel form an air channel.

In some embodiments, the two emitter plates are distributed axisymmetrically around the central axis of the casing, and the arc of each emitter plate is 150-180 degrees.

In some embodiments, the casing defines an insertion hole in the axial direction, and the dust collecting plate is inserted into the air duct through the insertion hole.

In some embodiments, the housing is provided with a mounting hole communicating with the air duct, and the emitter plate is matched with the mounting hole and accommodated in the mounting hole.

In some embodiments, a handle is provided on the outer surface of the emitter plate.

In some embodiments, the distance between the dust collecting plate and the emitter plate is less than or equal to 10 cm.

In some embodiments, the orthographic projection of the dust collecting plate on the inner surface of the casing covers the orthographic projection of the emitter plate on the inner surface.

In some embodiments, the plurality of emitter needles are arranged in an array, and each emitter needle is provided with a plurality of emitter tips.

In some embodiments, the oil fume purification module includes an electrostatic generator, one connection end of the electrostatic generator is connected to the dust collecting plate, and the other connection end is connected to the emitter plate.

The smoke exhaust device in the embodiment of the present invention includes the oil fume purification module described in any of the above embodiments.

In some embodiments, the smoke exhaust device is formed with a fume passage, and the air passage communicates with the fume passage.

In some embodiments, the smoke exhaust device includes a rectification module arranged in the oil fume passage, compared with the oil fume purification module, the rectification module is located upstream of the oil fume flow, and the rectification module is formed with The axial direction of the oil fume channel is a plurality of rectifying channels extending in a wave shape, and the rectifying channels communicate with the oil fume channel.

In some embodiments, the rectification module includes:

frame; and

A plurality of rectifying plates arranged on the frame body are stacked along the radial direction of the oil fume passage, each rectifying plate extends in a wave shape along the axial direction of the oil fume passage, and two adjacent rectifying plates collectively define the rectifying passages.

In the above oil fume purification module and smoke exhaust device, an electrostatic field can be formed between the dust collecting plate and the emitter plate to charge the oil fume particles flowing through the air duct, so that the oil fume particles move and attach to the dust collecting plate, thereby realizing oil fume purification. The effect is to improve the cleanliness of oil fume.

Additional aspects and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Description of drawings

The above and/or additional aspects and advantages of the present invention will become apparent and comprehensible from the description of the embodiments in conjunction with the following drawings, wherein:

Fig. 1 is a three-dimensional schematic diagram of an oil fume purification module according to an embodiment of the present invention;

Fig. 2 is an exploded schematic view of the oil fume purification module according to the embodiment of the present invention;

3 is a schematic plan view of a smoke exhaust device according to an embodiment of the present invention;

4 is a schematic cross-sectional view of a smoke exhaust device according to an embodiment of the present invention;

Fig. 5 is a schematic perspective view of a rectification module of the smoke exhaust device according to the embodiment of the present invention.

Description of main component symbols:

Oil fume purification module 100;

Housing 10, central axis 102, insertion hole 104, air duct 11, first sub-air duct 111, second sub-air duct 112, inner surface 13 of housing 10, installation hole 15;

Dust collecting plate 20;

Emitter plate 30, emitter pin 31, handle 32;

Electrostatic generator 40;

Smoke exhaust device 200, smoking port 202, filter screen 204, oil fume channel 206;

A rectification module 210 , a rectification channel 212 , a frame 214 , and a rectification plate 216 .

detailed description

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation indicated by rear, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc. The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, Therefore, it should not be construed as limiting the invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of said features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected, or electrically connected, or can communicate with each other; it can be directly connected, or indirectly connected through an intermediary, and it can be the internal communication of two components or the interaction of two components relation. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

In the present invention, unless otherwise clearly specified and limited, a first feature being "on" or "under" a second feature may include direct contact between the first and second features, and may also include the first and second features Not in direct contact but through another characteristic contact between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below", "beneath" and "under" the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

The following disclosure provides many different embodiments or examples for implementing different structures of the present invention. To simplify the disclosure of the present invention, components and arrangements of specific examples are described below. Of course, they are only examples and are not intended to limit the invention. Furthermore, the present disclosure may repeat reference numerals and/or reference letters in different instances, such repetition is for simplicity and clarity and does not in itself indicate a relationship between the various embodiments and/or arrangements discussed. In addition, various specific process and material examples are provided herein, but one of ordinary skill in the art may recognize the use of other processes and/or the use of other materials.

Referring to FIG. 1 and FIG. 2 , the oil fume purification module 100 according to the embodiment of the present invention includes a cylindrical housing 10 , a dust collecting plate 20 and an emitter plate 30 .

The housing 10 is formed with an air duct 11 . The dust collecting plate 20 is arranged in the air duct 11 . The dust collecting plate 20 is spaced apart from the air duct 11 along the axial direction of the casing 10 . The emitter plate 30 is arranged opposite to the dust collecting plate 20 . Multiple emitter pins 31 are arranged on the emitter plate 30 , and the multiple emitter pins 31 are located in the air duct 11 .

In the oil fume purification module 100 of the embodiment of the present invention, an electrostatic field can be formed between the dust collecting plate 20 and the emitter plate 30 to charge the oil fume particles flowing through the air duct 11, so that the oil fume particles move and attach to the dust collecting plate 20, Thereby, the effect of oil fume purification is realized, and the cleanliness of oil fume is improved.

It should be pointed out that the dust collecting plate 20, the emitter plate 30 and the emitter pin 31 are all conductive. In one example, the dust collecting plate 20, the emitter plate 30 and the emitter pin 31 can all be made of metal materials. , such as stainless steel, aluminum alloy, etc.

The dust collecting plate 20 can be connected with a positive high voltage electrode, and the emitter plate 30 can be connected with a negative high voltage electrode, thus, an electrostatic field can be formed between the dust collecting plate 20 and the emitter plate 30 .

Since the emitter needle 31 is arranged on the emitter plate 30, the emitter needle 31 has a negative high voltage, and the emitter needle 31 can ionize the air in the air duct 11 to form negative ions through high-voltage discharge or tip discharge. Under the action, the negative ions can obtain energy and move from the vicinity of the emitter needle 31 to the dust collection plate 20. When the oil fume particles pass through the air duct 11, the oil fume particles combine with the negative ions to be negatively charged and move to the dust collection plate 20, finally Adsorbed on the dust collecting plate 20. Therefore, the oil fume purification module 100 can reduce the oil fume discharged for oil fume purification, thereby realizing the effect of oil fume purification. It should be pointed out that, in one example, the voltage of the high voltage is 8000-40000V. For example, it is 9000V, 10000V, 15000V, 20000V, 30000V, 35000V and other voltage values.

In some embodiments, the casing 10 is cylindrical, the emitter plate 30 is arc-shaped, and the emitter plate 30 is coaxially arranged with the casing 10 .

In this way, the cylindrical housing 10 can make the air duct 11 in a cylindrical shape, which can reduce the resistance of air flow and reduce the noise generated by the oil fume purification module 100 . The coaxial arrangement of the emitter plate 30 and the casing 10 can make the structure of the oil fume purification module 100 more compact, which is beneficial to the miniaturization of the oil fume purification module 100 .

It can be understood that, in other embodiments, the housing 10 may be in other shapes such as a square tube, a polygonal tube, and the like.

In some embodiments, the number of emitter plates 30 is two, and the two emitter plates 30 are respectively arranged on opposite sides of the dust collecting plate 20, and the dust collecting plate 20 and one of the emitter plates 30 form a first The sub-air duct 111 , the dust collecting plate 20 and another emitter plate 30 form a second sub-air duct 112 , and the first sub-air duct 111 and the second sub-air duct 112 form the air duct 11 .

In this way, an electrostatic field can be formed between the dust collecting plate 20 and each emitter plate 30, so that the two opposite surfaces of the dust collecting plate 20 can absorb oil fume, which is beneficial to increase the area of the dust collecting plate 20 for absorbing oil fume. Therefore, the effect of purifying the oil fume by the oil fume purification module 100 is further improved.

In some embodiments, the two emitter plates 30 are distributed axisymmetrically around the central axis 102 of the housing 10 , and the arc of each emitter plate 30 is 150-180 degrees. For example, the arc of each emitter plate 30 is 150 degrees, 155 degrees, 160 degrees, 165 degrees, 170 degrees, 175 degrees, 180 degrees and other angles.

In this way, the emitter plate 30 has a larger surface area, and the emitter needles 31 on the emitter plate 30 can ionize the air region with a larger area, so that more oil fume particles are negatively charged and adsorbed on the dust collecting plate 20 .

In addition, the structures of the two emitter plates 30 are substantially the same, so that the interchangeability of the emitter plates 30 is high, thereby facilitating the manufacture of the oil fume purification module 100 , thereby reducing the cost of the oil fume purification module 100 .

Preferably, the dust collecting plate 20 passes through the central axis 102 of the housing 10 to space the air duct 11 to form a first sub-air duct 111 and a second sub-air duct 112 with approximately the same size, which is beneficial for the dust collecting plate 20 to Roughly the same amount of soot particles are adsorbed on both surfaces of the back.

In some embodiments, the casing 10 defines an insertion hole 104 along the axial direction, and the dust collecting plate 20 is inserted into the air duct 11 through the insertion hole 104 .

In this way, the insertion hole 104 facilitates disassembly and assembly of the dust collecting plate 20 , and is convenient for the user to clean the oily fume adsorbed on the dust collecting plate 20 in time. In order to facilitate the disassembly and assembly of the dust collecting plate 20, the size of the insertion hole 104 is slightly larger than the thickness of the dust collecting plate 20

In this embodiment, the dust collecting plate 20 is substantially in the shape of a square plate, so that it can be easily disassembled from the housing 10 .

In some embodiments, the housing 10 defines a mounting hole 15 . The installation hole 15 communicates with the air duct 11 . The emitter plate 30 is matched with the installation hole 15 and accommodated in the installation hole 15 .

In this way, the structure of the emitter plate 30 and the casing 10 is more compact, which is beneficial to the miniaturization of the oil fume purification module 100 . The size of the emitter plate 30 is approximately the same as that of the mounting hole 15, and the shape of the emitter plate 30 is also approximately the same as that of the mounting hole 15. For example, the thickness of the emitter plate 30 is the same as that of the casing 10 or slightly smaller than that of the casing. The thickness of the emitter plate 30 and the mounting hole 15 are both arc-shaped.

In some embodiments, the outer surface of the emitter plate 30 is provided with a handle 32 .

In this way, the user can hold the handle 32 to disassemble the emitter plate 30 from the housing 10 , and the handle 32 can also facilitate the user to install the emitter plate 30 on the housing 10 .

In some embodiments, the distance D between the dust collecting plate 20 and the emitter plate 30 is less than or equal to 10 cm, as shown in FIG. 4 . For example, the size is 5cm, 6cm, 7cm, 8cm, 9cm or 10cm.

In this way, a strong electrostatic field can be formed between the dust collecting plate 20 and the emitter plate 30 , which is beneficial for the dust collecting plate 20 to absorb the soot particles.

In some embodiments, the orthographic projection of the dust collection plate 20 on the inner surface 13 of the housing 10 covers the orthographic projection of the emitter plate 30 on the inner surface 13 of the housing 10 .

In this way, the size of the dust collecting plate 20 is relatively large, which can ensure that the charged oil fume particles are adsorbed on the dust collecting plate 20 to improve the effect of the oil fume purification module 100 on purifying oil fume.

In some embodiments, multiple emitter pins 31 are arranged in an array, and each emitter pin 31 is provided with multiple emitter tips.

The material of the emitting tip is made of conductive material such as carbon fiber. In this way, the emitting tip ionizes the air through discharge to increase the release equivalent of negative ions, so that the emission effect of negative ions can be enhanced to improve the purification effect of the oil fume purification module 100 .

In some embodiments, the oil fume purification module 100 includes an electrostatic generator 40 , one connection end of the electrostatic generator 40 is connected to the dust collecting plate 20 , and the other connection end is connected to the emitter plate 30 .

For example, the positive terminal of the electrostatic generator 40 is connected to the dust collecting plate 20 , and the negative terminal is connected to the emitter plate 30 . The electrostatic generator 40 can be connected to a working voltage of 220V, and the electrostatic generator 40 can raise the voltage of 220V to a high voltage through the circuit, and connect the dust collecting plate 20 and the emitter plate 30 through the connecting terminal.

Specifically, the electrostatic generator 40 can form a stable DC power supply through the alternating current through a step-down circuit, a rectification filter circuit, a voltage stabilizing circuit, etc., and the DC power supply provides energy for the circuit. High pressure is available.

Please refer to FIG. 3 and FIG. 4 , the smoke exhaust device 200 of the embodiment of the present invention includes the oil fume purification module 100 of any of the above embodiments.

In the smoke exhaust device 200 implemented in the present invention, an electrostatic field can be formed between the dust collecting plate 20 and the emitter plate 30 to charge the soot particles flowing through the air duct 11, so that the soot particles move and attach to the dust collecting plate 20, thereby The effect of oil fume purification is realized, and the cleanliness of oil fume is improved.

Specifically, the smoke exhaust device 200 is provided with a smoking port 202 . A wind wheel (not shown in the figure) may be arranged in the smoke exhaust device 200 . Generally, the smoke exhaust device 200 is installed above the stove, and the user can turn on the smoke exhaust device 200 to rotate the wind wheel when cooking on the stove. During the rotation of the wind wheel, the oil fume generated by the cooking utensils on the stove can be sucked into the smoke exhaust device 200 through the smoking port 202 , and then the oil fume is discharged to the oil fume purification module 100 . The oil fume purification module 100 communicates with the outside, and the oil fume is discharged to the outside after being purified by the oil fume purification module 100 .

When the wind wheel is working and rotating, on the one hand, the oil fume can be sucked into the oil fume purification module 100 from the smoking port 202;

In order to improve the service life of the smoke exhaust device 200 , a filter screen 204 is provided at the smoking port 202 . The filter screen 204 can filter the oil fume with larger particles, so as to prevent the oil fume with larger particles from directly entering the smoke exhaust device 200 and affecting the normal operation of the smoke exhaust device 200 .

In some embodiments, the smoke exhaust device 200 is formed with a fume passage 206 , and the air duct 11 communicates with the fume passage 206 .

In this way, the oil fume channel 206 can exhaust the oil fume to the air duct 11 so that the oil fume can be purified. The oil fume passage 206 communicates with the smoke opening 202 , and the fan wheel can be installed in the oil fume passage 206 , so that when the wind wheel works, the oil fume can be sucked from the smoke opening 202 , and the oil fume enters the air duct 11 after passing through the oil fume passage 206 .

Please refer to FIG. 5 , in some embodiments, the smoke exhaust device 200 includes a rectification module 210 arranged in the oil fume passage 206. Compared with the oil fume purification module 100, the rectification module 210 is located upstream of the oil fume flow, and the rectification module 210 is formed with A plurality of rectifying passages 212 extend in a wave shape along the axial direction of the oil fume passage 206 , and the rectifying passages 212 communicate with the air duct 13 .

In this way, the plurality of rectification channels 212 can increase the resistance of the oil fume channel 206, thereby separating the oil fume with larger particles, and decomposing the oil fume with larger particles to form oil fume with smaller particles, so that the oil fume after entering the air duct 11 The particles are smaller, which is beneficial for the combination of oil fume particles and negative ions to be negatively charged, and then can be adsorbed on the dust collecting plate 20 .

In some embodiments, the rectification module 210 includes a frame body 214 and a plurality of rectification plates 216 . A plurality of rectifying plates 216 are stacked on the frame body 214 along the radial direction of the oil fume channel 206 , each rectifying plate 216 extends in a wave shape along the axial direction of the oil fume channel 206 , and two adjacent rectifying plates 216 jointly define the rectifying channel 212 .

The frame body 214 may be circular, so that the rectification module 210 is roughly cylindrical, and thus better cooperates with the fume passage 206 . The rectifying plate 216 can be welded on the frame body 214 to form the rectifying module 210 .

In the description of this specification, reference to the terms "one embodiment", "certain embodiments", "exemplary embodiments", "examples", "specific examples", or "some examples" etc. Specific features, structures, materials, or characteristics described in the preceding embodiments or examples are included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the invention is defined by the claims and their equivalents.

Claims (15)

1. A lampblack purification module, characterized in that, comprising: a cylindrical casing, the casing is formed with an air duct; a dust collecting plate arranged in the air duct, the dust collecting plate is spaced apart from the air duct along the axial direction of the housing; and The emitter plate opposite to the dust collecting plate is provided with a plurality of emitter needles, and the plurality of emitter needles are located in the air duct. 2 . The oil fume purification module according to claim 1 , wherein the housing is cylindrical, the emitter plate is arc-shaped, and the emitter plate is arranged coaxially with the housing. 3 . 3. The oil fume purification module according to claim 2, wherein the number of the emitter plates is two, and the two emitter plates are respectively arranged on opposite sides of the dust collecting plate, so The dust collecting plate forms a first sub-air channel with one of the emitter plates, the dust collecting plate forms a second sub-air channel with the other emitter plate, and the first sub-air channel and the first sub-air channel The two son air ducts constitute the air duct. 4. The oil fume purification module according to claim 3, wherein the two emitter plates are distributed axisymmetrically around the central axis of the housing, and the arc of each emitter plate is 150-180° Spend. 5 . The oil fume purification module according to claim 1 , wherein the casing is provided with an insertion hole along the axial direction, and the dust collecting plate is inserted into the air duct through the insertion hole. 6 . 6. The oil fume purification module according to claim 1, wherein the housing is provided with a mounting hole communicating with the air duct, and the emitter plate is matched with the mounting hole and accommodated in the in the mounting hole. 7. The oil fume purification module according to claim 6, wherein a handle is provided on the outer surface of the emitter plate. 8. The oil fume purification module according to claim 1, wherein the distance between the dust collecting plate and the emitter plate is less than or equal to 10 cm. 9. The oil fume purification module according to claim 1, wherein the orthographic projection of the dust collecting plate on the inner surface of the housing covers the orthographic projection of the emitter plate on the inner surface. 10. The oil fume purification module according to claim 1, wherein the plurality of emitter needles are arranged in an array, and each emitter needle is provided with a plurality of emitter tips. 11. The oil fume purification module according to claim 1, characterized in that the oil fume purification module comprises an electrostatic generator, one connection end of the electrostatic generator is connected to the dust collecting plate, and the other connection end is connected to the emitter plate. 12. A smoke exhaust device, characterized by comprising the oil fume purification module according to any one of claims 1-11. 13. The smoke exhaust device according to claim 12, characterized in that, the smoke exhaust device is formed with a fume passage, and the air passage communicates with the fume passage. 14. The smoke exhaust device according to claim 13, characterized in that, the smoke exhaust device comprises a rectification module arranged in the oil fume passage, and compared with the oil fume purification module, the rectification module is located upstream of the oil fume flow The rectifying module is formed with a plurality of rectifying channels extending in a wave shape along the axial direction of the oil fume channel, and the rectifying channels communicate with the oil fume channel. 15. The smoke exhaust device according to claim 14, wherein the rectification module comprises: frame; and A plurality of rectifying plates arranged on the frame body are stacked along the radial direction of the oil fume passage, each rectifying plate extends in a wave shape along the axial direction of the oil fume passage, and two adjacent rectifying plates collectively define the rectifying passages.