CN107101232A - Smoke exhaust ventilator - Google Patents

Abstract

The present invention is directed to smoke exhaust ventilator, proposes new improvement.Smoke exhaust ventilator proposed by the present invention, including electrostatic oil fume purification device (1) and blower fan (2), the blower fan (2) includes oil smoke inflow entrance and oil smoke outlet, and the electrostatic oil fume purification device (1) blocks the oil smoke inflow entrance at least in part；Oil smoke flows into the oil smoke inflow entrance after being purified through the electrostatic oil fume purification device (1).The present invention proposes a kind of smoke exhaust ventilator of the setting electrostatic oil fume purification device of brand new.

Description

range hood

【Technical field】

The invention relates to the field of range hoods.

【Background technique】

In order to improve the effect of oil fume purification, electrostatic oil fume purification solutions have been proposed, such as the Chinese utility model patent with the authorized announcement number CN203737395U. In an existing range hood provided with an electrostatic oil fume purification device, the electrostatic oil fume purification device is generally installed below or above the fan of the range hood.

References to prior art herein are not intended to be an admission that such prior art was known to those of ordinary skill in the art to which the present invention pertains prior to the filing date of this application, unless supported by sufficient evidence.

【Content of invention】

The main purpose of the present invention is to propose a new improvement for the range hood.

A range hood proposed by the present invention includes an electrostatic oil fume purification device and a fan, the fan includes an oil fume inlet and an oil fume outlet, and the electrostatic oil fume purification device at least partially blocks the oil fume inlet; After being purified by the electrostatic oil fume purification device, it flows into the oil fume inlet. The invention proposes a range hood with a brand-new structure provided with an electrostatic oil fume purification device.

Optionally, the electrostatic oil fume purification device includes a side wall, a top wall and a bottom wall; the bottom wall at least partially blocks the oil fume inlet; the oil fume flows in from the side wall and flows out from the bottom wall , and then flow into the oil fume inlet.

Optionally, the electrostatic oil fume purification device includes a side wall, a top wall and a bottom wall; the bottom wall at least partially blocks the oil fume inlet; the oil fume flows in from the top wall and flows out from the bottom wall , and then flow into the oil fume inlet.

Optionally, the electrostatic oil fume purification device is fixed to the fan. In this way, the shape and fixation of the electrostatic oil fume purification device will not be affected by the structure of other range hood components except the fan, which is convenient for matching with different shapes of range hoods.

Optionally, the electrostatic oil fume purification device is attached to the oil fume inlet. The oil fume flows directly into the oil fume inlet after passing through the electrostatic oil fume purification device.

Optionally, a gap is provided between the electrostatic oil fume purification device and the oil fume inlet; at least part of the oil fume flows through the gap and flows into the oil fume inlet, and the oil fume flowing through the gap is absorbed by the electrostatic Type oil fume purification device purification.

Optionally, the thickness of the gap is less than or equal to 1 cm.

Optionally, the fan includes a volute, an impeller and a motor, the impeller is disposed in the volute, and the motor is used to drive the impeller.

Optionally, the rotating shaft of the impeller extends along the horizontal direction.

Optionally, the range hood is a side suction range hood.

Optionally, the electrostatic oil fume purification device completely blocks the oil fume inlet.

Optionally, it also includes an air inlet and a smoke deflector for introducing the oil fume into the air inlet, and the oil fume flowing in from the air inlet at least partly flows through the electrostatic oil fume purification device; the smoke guide unloads After being lowered, an opening is formed; the electrostatic oil fume purification device is configured to be removable from the opening. In this way, there is no need to provide a special installation port for installing the electrostatic oil fume purification device.

Optionally, it also includes an air inlet and a smoke deflector for introducing the oil fume into the air inlet, and the oil fume flowing in from the air inlet at least partially flows through the electrostatic oil fume purification device; the smoke guide is at least It includes a first position and a second position; when the smoke guide plate is in the first position, an opening is formed; when the smoke guide plate is in the second position, the smoke guide plate at least partially closes the An opening; the electrostatic oil fume purification device is configured to be removable from the opening. In this way, there is no need to provide a special installation port for installing the electrostatic oil fume purification device.

What needs to be explained here is that the directional expressions such as "horizontal direction", "bottom", "above", "below" and "top" appearing in the present invention, if not specified, are based on the abstracted In terms of the usual use state of the range hood.

What needs to be pointed out here is that the "first" and "second" appearing in this specification are only used for descriptive purposes, and are not used to indicate relative importance; definition; moreover, it is not a definition of the logical or sequential relationship of the features it defines.

The above summary of the present invention is not intended to describe all possible implementations of the present invention. Throughout the application, guidance is provided in several places by listing examples that can be used in every possible combination.

【Description of drawings】

The following drawings only illustrate and explain the present invention schematically, and do not limit the scope of the present invention, wherein:

Fig. 1 is a sectional view of Embodiment 1 of the range hood of the present invention;

Fig. 2 is a sectional view of Embodiment 2 of the range hood of the present invention;

Fig. 3 is a schematic structural view of the electrostatic oil fume purification device of embodiment 2 of the range hood of the present invention;

Fig. 4 is a schematic structural view of Embodiment 3 of the range hood of the present invention.

Reference signs:

1-Electrostatic oil fume purification device, 2-fan, 3-oil cup, 4-air pipe seat, 5-filter, 6-side wall, 7-top wall, 8-bottom wall, 9-smoke guide plate, 10 -Inlet.

【detailed description】

In order to make the object, scheme and beneficial effect of the present invention more clear, the present invention will be further described below in conjunction with the accompanying drawings and preferred embodiments. Individual drawings may not be accurate enough, in this case, please refer to the text description.

Example 1

The range hood embodiment 1 proposed by the present invention includes a casing, a smoke collecting chamber, a fan 2, a filter screen 5, an oil cup 3, an air pipe seat 4, a power supply device and two electrostatic fume purification devices 1, as shown in Fig. 1 shown. The range hood is a top suction type range hood. Each electrostatic oil fume purification device 1 includes an ionization filament and an adsorption plate. The smoke collecting cavity is arranged under the casing. The air pipe seat 4 is arranged above the casing. The fan 2 is arranged in the casing. The filter screen 5 is fixed in the smoke collecting chamber. The oil cup 3 is installed on the bottom of the filter screen 5 . The fan 2 includes a volute, an impeller and a motor, the impeller is arranged in the volute, and the motor is used to drive the impeller. The rotating shaft of the impeller extends in the horizontal direction. The volute of fan 2 includes two oil fume inlets and one oil fume outlet.

Each electrostatic oil fume purification device 1 includes a side wall 6, a top wall 7 and a bottom wall 8, one end of the side wall 6 is connected to the top wall 7, the other end of the side wall 6 is connected to the bottom wall 8, and the side wall 6 is provided with Air port, the bottom wall 8 is provided with an air outlet. Both electrostatic oil fume purification devices 1 are fixed to the volute of the fan 2 by screws. The two oil fume inlets of the volute correspond to the two electrostatic oil fume purification devices 1 one by one. Each electrostatic oil fume purification device 1 blocks its corresponding oil fume inlet respectively, as shown in FIG. 1 . Specifically, the bottom wall 8 of each electrostatic oil fume purification device 1 abuts against its corresponding oil fume inlet (that is, the bottom wall 8 abuts against the outer surface of the member surrounding the oil fume inlet), and then blocks its The corresponding oil fume flow inlet is shown in Fig. 1 .

The oil fume flows through the filter screen 5 , then flows through the two electrostatic oil fume purification devices 1 , then flows into the two oil fume inlets of the volute, and then is discharged from the air pipe seat 4 . Since the two oil fume inlets are completely blocked by the corresponding electrostatic oil fume purification device 1 respectively, the oil fume flows directly into the corresponding oil fume inlet after passing through the electrostatic oil fume purification device 1 . Specifically, the flow direction of the oil fume is shown by the arrow in Figure 1, the oil fume flows in from the air inlet of the side wall 6 of the electrostatic oil fume purification device 1, and then flows out from the air outlet of the bottom wall 8 of the electrostatic oil fume purification device 1 , and then directly flow into the fume inlet. When the oil fume flows through the electrostatic oil fume purification device 1 , the grease in the oil fume is at least partially filtered out by the electrostatic oil fume purification device 1 , and the filtered oil finally flows into the oil cup 3 .

The power supply device is used to supply power to the electrostatic oil fume purification device 1 . A power supply terminal is arranged on the volute, and the power supply terminal is electrically connected to the power supply device. The electrostatic oil fume purification device 1 is provided with a power transmission terminal. When the electrostatic oil fume purification device 1 is fixed on the volute, the transmission end of the electrostatic oil fume purification device 1 is electrically connected to the power supply end of the volute, and the current output by the power supply device flows through the power supply end, the power transmission end, and then flows to the electrostatic type. The oil fume purification device 1, so as to realize the power supply to the electrostatic oil fume purification device 1. When the electrostatic oil fume purification device 1 is removed from the volute, the power transmission end is separated from the power supply end, and the power supply line supplying power to the electrostatic oil fume purification device 1 is disconnected.

The above are only preferred embodiments of the present invention, and some technical features can be added, deleted, modified or replaced to obtain other embodiments. For example, it is also possible to use wireless power supply technology to implement power supply to the electrostatic oil fume purification device. For another example, it is also possible that the electrostatic oil fume purification device partially blocks the oil fume inlet; for example, the electrostatic oil fume purification device is attached to a part of the corresponding oil fume inlet; There is a gap between the inflow inlets, part of the oil fume flows through the electrostatic oil fume purification device (the oil fume flowing through the electrostatic oil fume purification device will be purified by the electrostatic oil fume purification device), and part of the oil fume flows through the gap and flows into the oil fume inlet. The thickness of the gap is small (for example, the thickness of the gap is less than or equal to 1 cm), and the oil fume flowing through the gap and flowing into the oil fume inlet will also be purified by the electrostatic oil fume purification device. For another example, it may also be that the thickness of the gap is less than or equal to 0.5 cm. For another example, it is also possible that the electrostatic oil fume purification device is fixed to the volute of the fan by other detachable means, such as a locking device. The so-called "locking device" can be understood as a device that includes a locked state. and the unlocked state, and can be switched between the locked state and the unlocked state. When the locking device is in the locked state, the electrostatic oil fume purification device and the volute are fixed together by the locking device, and the locking device is fixed When entering the unlocked state, it is terminated so that the electrostatic oil fume purification device can be taken off from the volute. For another example, it may also be that the oil fume flows in from the side wall and the top wall of the electrostatic oil fume purification device, and then flows out from the bottom wall of the electrostatic oil fume purification device.

Example 2

The present invention also proposes another embodiment 2 of the range hood, which is further improved on the basis of the above embodiment 1 of the range hood. The main differences between the second embodiment of the range hood and the first embodiment of the range hood are as follows.

The range hood embodiment 2 is a side suction type range hood. The second embodiment of the range hood also includes an air inlet and a smoke deflector 9 for guiding oil fume into the air inlet. The air inlet is arranged on the smoke guide plate 9 , specifically, the air inlet is formed by cutting the smoke guide plate 9 . The smoke guiding plate 9 is made of glass material and has a board structure. The smoke guiding plate 9 is fixed at the smoke collecting cavity of the range hood.

The second embodiment of the range hood is provided with only one electrostatic oil fume purification device 1 . The electrostatic oil fume purifying device 1 blocks an oil fume inlet. As shown in FIG. The oil fume inflow of the other oil fume inlet is relatively small, so it is no longer blocked by an electrostatic oil fume purification device.

The electrostatic oil fume purification device 1 of Example 2 of the range hood, as shown in FIG. 3 , the electrostatic oil fume purification device 1 includes an ionizing wire and an adsorption plate. The top wall 7 of the electrostatic oil fume purification device 1 is provided with a plurality of air inlets, and these air inlets are formed at intervals by adsorption plates, as shown in FIG. 3 . The bottom wall 8 is provided with a plurality of gas outlets, and these gas outlets are also formed at intervals by the adsorption plates. Part of the oil fume flows in from the air inlet of the top wall 7 of the electrostatic oil fume purification device 1, then flows out from the air outlet of the bottom wall 8, and then directly flows into the oil fume inlet corresponding to the electrostatic oil fume purification device 1; part of the oil fume flows into Another fume flow inlet, the flow direction of the fume is shown by the arrow in Figure 2.

When the smoke guide plate 9 is fixed on the range hood, the oil fume flowing in from the air inlet flows through the electrostatic oil fume purification device 1 , then flows into the fan 2 , and then is discharged from the air pipe base 4 .

The smoke guiding plate 9 is provided with a hook, and the smoke collecting chamber is provided with a shaft matched with the hook. The smoke guiding plate 9 is also provided with a magnet (the magnet is arranged below the hook), and the smoke collecting cavity is provided with an adsorption part matched with the magnet. The fixing process of the smoke guide plate 9 and the smoke collecting cavity is as follows: first hang the hook of the smoke guide plate 9 on the shaft of the smoke collecting cavity, then push the smoke guide plate 9 to make the hook rotate around the shaft, and at the same time the smoke guide plate 9 The lower part of the bottom is close to the smoke collecting cavity until the magnet of the smoke guiding plate 9 is adsorbed on the adsorption portion of the smoke collecting cavity, thereby completing the fixing of the smoke guiding plate 9 .

After the smoke guide plate 9 is removed, an opening is formed. At this time, the electrostatic oil fume purification device 1 can be taken out from the opening to replace, clean or maintain the electrostatic oil fume purification device 1 .

Here, it should be noted that, as shown in this embodiment, the present invention does not exclude the existence of "the oil fume inlet that is not at least partially blocked by the electrostatic oil fume purification device".

For other structures and cooperation relations of the second embodiment of the range hood, please refer to the corresponding description of the first embodiment of the range hood.

The above are only preferred embodiments of the present invention, and some technical features can be added, deleted, modified or replaced to obtain other embodiments. For example, it is also possible to fix the smoke guide plate to the range hood by other means such as screws. For another example, it is also possible that the smoke guiding plate is made of ceramic material. For another example, it is also possible that the smoke guiding plate is made of plastic material. For another example, it is also possible that the smoke guiding plate is made of at least two different materials to manufacture different components, for example, one component is made of glass material, and the other component is made of plastic material.

Example 3

The present invention also proposes another embodiment 3 of the range hood, which is further improved on the basis of the above embodiment 1 of the range hood. The main differences between the third embodiment of the range hood and the first embodiment of the range hood are as follows.

Embodiment 3 of the range hood is a side suction range hood. The third embodiment of the range hood also includes an air inlet 10 and a smoke deflector 9 for introducing oil smoke into the air inlet 10 . The smoke guiding plate 9 is made of glass material and has a board structure. The smoke guiding plate 9 is fixed at the smoke collecting cavity of the range hood. The air inlets 10 are formed at intervals between the top of the smoke guiding plate 9 and the smoke collecting cavity, as shown in FIG. 4 .

The fan 2 is running, and the oil fume flowing in from the air inlet 10 flows through the electrostatic oil fume purification device 1, then flows into the fan 2, and then is discharged from the air pipe base 4. After the smoke guide plate 9 is removed, an opening is formed. At this time, the electrostatic oil fume purification device 1 can be taken out from the opening to replace, clean or maintain the electrostatic oil fume purification device 1 .

For other structures and cooperation relations of the third embodiment of the range hood, please refer to the corresponding description of the first embodiment of the range hood.

The above are only preferred embodiments of the present invention, and some technical features can be added, deleted, modified or replaced to obtain other embodiments. For example, it is also possible that the air inlet has other shapes and is formed at intervals between the smoke guiding plate and the smoke collecting chamber, for example, in the shape of a "mouth". For another example, it is also possible to further install a filter device in order to improve the oil fume purification effect. In this case, after the opening is formed, the filter device must be removed first, and then the electrostatic oil fume purification device is taken out from the opening. . For another example, it is also possible that the smoke guide plate can be moved to control the opening and closing of the air inlet. The specific moving methods include but are not limited to: sliding left and right, sliding up and down, flipping or stretching, etc.; in this case, further, It can also be that the electrostatic oil fume purification device is set to be taken out from the air inlet (without removing the smoke guide plate).

It should be noted that the present invention should not be construed as being limited to the above-described embodiments, but should be construed as covering all possible implementations determined by the claims of the present invention in combination with the disclosures in the specification. Therefore, any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention, which do not deviate from the technical solution of the present invention, all belong to the protection scope of the technical solution of the present invention.

Claims (13)

1. A range hood, comprising an electrostatic oil fume purification device (1) and a blower fan (2), said blower fan (2) comprising an oil fume inflow inlet and an oil fume discharge outlet, characterized in that: The electrostatic oil fume purification device (1) at least partially blocks the oil fume inlet; The oil fume flows into the oil fume inflow port after being purified by the electrostatic oil fume purification device (1). 2. The range hood according to claim 1, characterized in that: The electrostatic oil fume purification device (1) includes a side wall (6), a top wall (7) and a bottom wall (8); The bottom wall (8) at least partially blocks the oil fume inlet; Oil fume flows in from the side wall (6) and then flows out from the bottom wall (8), and then flows into the oil fume inlet. 3. The range hood according to claim 1, characterized in that: The electrostatic oil fume purification device (1) includes a side wall (6), a top wall (7) and a bottom wall (8); The bottom wall (8) at least partially blocks the oil fume inlet; Oil fume flows in from the top wall (7) and then flows out from the bottom wall (8), and then flows into the oil fume inlet. 4. The range hood according to claim 1, characterized in that: The electrostatic oil fume purification device (1) is fixed to the fan (2). 5. The range hood according to claim 1, characterized in that: The electrostatic oil fume purification device (1) is attached to the oil fume inlet. 6. The range hood according to claim 1, characterized in that: There is a gap between the electrostatic oil fume purification device (1) and the oil fume inlet; At least part of the oil fume flows through the gap and flows into the oil fume inlet, and the oil fume flowing through the gap is purified by the electrostatic oil fume purification device (1). 7. The range hood according to claim 6, characterized in that: The thickness of the gap is less than or equal to 1 cm. 8. The range hood according to claim 1, characterized in that: The fan (2) includes a volute, an impeller and a motor, the impeller is arranged in the volute, and the motor is used to drive the impeller. 9. The range hood according to claim 8, characterized in that: The rotating shaft of the impeller extends along the horizontal direction. 10. The range hood according to claim 1, characterized in that: The range hood is a side suction type range hood. 11. The range hood according to claim 1, characterized in that: The electrostatic oil fume purification device (1) completely blocks the oil fume inlet. 12. The range hood according to any one of claims 1 to 11, characterized in that: It also includes an air inlet (10) and a smoke deflector (9) for introducing the oil fume into the air inlet (10), and the oil fume flowing in from the air inlet (10) at least partially flows through the electrostatic oil fume purification device(1); The smoke deflecting plate (9) is removed to form an opening; The electrostatic oil fume purification device (1) is configured to be taken out from the opening. 13. The range hood according to any one of claims 1 to 11, characterized in that: It also includes an air inlet and a smoke deflector for introducing the oil fume into the air inlet, and the oil fume flowing in from the air inlet at least partially flows through the electrostatic oil fume purification device; The smoke deflector includes at least a first position and a second position; When the smoke guiding plate is in the first position, an opening is formed; When the smoke guide plate is in the second position, the smoke guide plate at least partially closes the opening; The electrostatic oil fume purification device is configured to be removable from the opening.