CN110355000B

CN110355000B - Electrostatic device

Info

Publication number: CN110355000B
Application number: CN201910568309.3A
Authority: CN
Inventors: 张鲁涛; 胡承杰
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-08-21
Anticipated expiration: 2039-06-27
Also published as: CN110355000A

Abstract

The invention discloses an electrostatic device, which comprises ionization polar plates and dust collecting polar plates which are arranged alternately, wherein a gas channel for gas to pass is formed between the adjacent ionization polar plates and dust collecting polar plates, the electrostatic device also comprises movable polar plates, the movable polar plates comprise first movable polar plates and second movable polar plates which are arranged alternately, the first movable polar plates are adjacent to the ionization polar plates and are arranged at intervals, the second movable polar plates are adjacent to the dust collecting polar plates and are arranged at intervals, each gas channel is only internally provided with the first movable polar plates or the second movable polar plates, the movable polar plates can be positioned at a first position on a gas flow path and at the same position with the ionization polar plates and the dust collecting polar plates, the movable polar plates are not electrically connected with the ionization polar plates and the dust collecting polar plates when positioned at the first position, the movable polar plates can also be positioned at a second position after moving on the gas flow path, when the movable, the first movable polar plate is electrically connected with the ionization polar plate, and the second movable polar plate is electrically connected with the dust collecting polar plate.

Description

Electrostatic device

Technical Field

The invention relates to a purification device, in particular to an electrostatic device.

Background

At present, the working principle of the electrostatic device for the range hood is to ionize the gas passing through the electrodes by using a high-voltage electrostatic field, so that the gas is adsorbed on the electrodes to achieve the purpose of purifying the oil smoke. The invention discloses an electrode field plate oil smoke separating device for an oil smoke machine, which comprises an electrostatic field purifying device, wherein the electrostatic field purifying device comprises a shell and at least two high-voltage negative plates longitudinally arranged in the shell, the shell is a high-voltage positive plate, an ionization region is formed between every two adjacent high-voltage negative plates, a trapping region is formed between the high-voltage negative plates and the high-voltage positive plates, the purifying device is positioned on the outer side of a case air outlet of the oil smoke machine, and an air draft device is arranged on the inner side of the case air outlet.

When the electrostatic field purifying device is used in the range hood, although the oil smoke can be purified to a certain degree, the electrostatic field purifying device cannot be adjusted according to the volume of the oil smoke, when the concentration of the oil smoke is large, the oil smoke still escapes, and the purifying effect is general.

Disclosure of Invention

The present invention is directed to an electrostatic device, which can adjust the amount of gas according to the amount of gas to adapt to different gas amounts.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides an electrostatic device, includes alternately ionization polar plate and the dust collecting polar plate that sets up, forms the gas passage that the gas passes through between adjacent ionization polar plate and the dust collecting polar plate, its characterized in that: the electrostatic device also comprises a movable polar plate which can move on a gas flow path and comprises a first movable polar plate and a second movable polar plate which are arranged at intervals, the first movable polar plate and the ionization polar plate are adjacent and arranged at intervals, the second movable polar plate and the dust collecting polar plate are adjacent and arranged at intervals, and only a first moving plate or a second moving plate is arranged in each gas channel, the moving plates can be positioned at a first position which is positioned on the gas flow path and is at the same position with the ionization plate and the dust collecting plate, the movable polar plate is not electrically connected with the ionization polar plate and the dust collecting polar plate when being positioned at the first position, the movable polar plate can also be positioned at the second position after being moved, when the movable polar plate is at the second position, the first movable polar plate is electrically connected with the ionization polar plate, and the second movable polar plate is electrically connected with the dust collection polar plate.

In order to realize that the first movable polar plate is electrically connected with the ionization polar plate and the second movable polar plate is electrically connected with the dust collecting polar plate, the side surfaces, facing the gas channel, of the ionization polar plate and the dust collecting polar plate are provided with first stop blocks, and one side, facing the first stop blocks, of the movable polar plate is provided with a second stop block which can be electrically connected with the first stop blocks.

In order to avoid the movable polar plate from contacting and electrically connecting with the ionization polar plate or the dust collecting polar plate when the movable polar plate is at the first position, the first stop block extends between the ionization polar plate and the first movable polar plate or between the dust collecting polar plate and the second movable polar plate, and the width of the first stop block is smaller than the distance between the ionization polar plate and the first movable polar plate and also smaller than the distance between the dust collecting polar plate and the second movable polar plate; the second stop block extends between the ionization polar plate and the first movable polar plate or between the dust collecting polar plate and the second movable polar plate, and the width of the second stop block is smaller than the distance between the ionization polar plate and the first movable polar plate and also smaller than the distance between the dust collecting polar plate and the second movable polar plate.

According to one aspect of the invention, the first stop and the second stop correspond in a gas flow path.

According to another aspect of the present invention, the first stopper and the second stopper are arranged in a staggered manner on the gas flow path, and the second stopper has a connecting section extending to be bent toward a position corresponding to the first stopper.

In order to realize the movement of the movable polar plates, two corresponding sides of each ionization polar plate and each dust collection polar plate can be provided with polar plate pressing strips, one polar plate pressing strip can be provided with a driving device for driving the movable polar plates to move, the driving device can comprise an air cylinder arranged on the polar plate pressing strips and polar plate connecting strips linked with the output ends of the air cylinder, and the polar plate connecting strips are connected with each movable polar plate.

In order to realize the stable connection of the driving device and the pole plate connecting strip, the driving device can further comprise a connecting plate connected with the output end of the air cylinder, and the pole plate connecting strip is arranged on the connecting plate.

In order to improve the connection strength, the connecting plate can be provided with a protrusion extending towards the direction of the movable polar plate, and the movable polar plate is provided with a bayonet matched with the protrusion.

In order to limit the movable polar plate, the ionization polar plate and the dust collecting polar plate can be provided with a clamping groove for the movable polar plate to be inserted into to limit the position on one side far away from the driving device.

In order to improve the rigidity and the dust collection capacity of the movable polar plate, a groove can be formed on the movable polar plate, and the groove is sunken towards the direction of the ionization polar plate or the dust collection polar plate.

Compared with the prior art, the invention has the advantages that: by arranging the movable polar plate capable of moving on the gas flow path, when the gas amount is smaller, the movable polar plate is positioned at the initial first position, so that the moving distance of particles in the gas between the polar plates is shortened, and the purifying capacity of the electrostatic device can be obviously improved; when the gas quantity is larger, the movable polar plate moves to the second position and is electrically connected with the ionization polar plate and the dust collecting polar plate respectively, so that the ionization polar plate and the dust collecting polar plate are prolonged, the integral length of the electrostatic device is increased, and the purification capacity of the electrostatic device is greatly improved.

Drawings

FIG. 1 is a schematic view of a moving plate of an electrostatic device according to an embodiment of the present invention in a first position;

FIG. 2 is a schematic diagram of a movable plate of an electrostatic device in a second position according to an embodiment of the present invention;

fig. 3 is a schematic view of a movable plate of an electrostatic device according to an embodiment of the present invention hidden in a second position;

fig. 4 is an enlarged view of a portion I of fig. 3.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

Referring to fig. 1 to 4, an electrostatic device comprises ionization plates 1 and dust collecting plates 2 arranged alternately, wherein the ionization plates 1 and the dust collecting plates 2 are fixed through plate pressing strips 3. Preferably, the device is used in a range hood to purify oil smoke.

An oil smoke channel for oil smoke gas to pass through is formed between the adjacent ionization polar plates 1 and the dust collecting polar plates 2, and a movable polar plate 4 is further arranged between the adjacent ionization polar plates 1 and the dust collecting polar plates 2, and the movable polar plate 4 can move from upstream to downstream or from downstream to upstream relative to the ionization polar plates 1 and the dust collecting polar plates 2 on a path where the oil smoke gas flows.

Referring to fig. 1 and 2, the movable plate 4 includes a first movable plate 41 and a second movable plate 42 disposed at intervals. The first movable polar plate 41 is adjacent to and spaced apart from the ionization polar plate 1, the second movable polar plate 42 is adjacent to and spaced apart from the dust collecting polar plate 2, and only one first movable polar plate 41 or second movable polar plate 42 can be arranged in each oil smoke channel. Preferably, the distance between the first movable plate 41 and the ionization plate 1 is half of the distance between the ionization plate 1 and the dust collecting plate 2, and the distance between the second movable plate 42 and the dust collecting plate 2 is half of the distance between the ionization plate 1 and the dust collecting plate 2. The movable plate 4 can be initially in a first position between the ionization plate 1 and the dust collecting plate 2 and electrically disconnected from both the ionization plate 1 and the dust collecting plate 2, and can also be in a second position in which the first movable plate 41 is electrically connected to the ionization plate 1 and the second movable plate 42 is electrically connected to the dust collecting plate 2 by moving in the flow path of the cooking fumes. The ionization polar plate 1 or the dust collecting polar plate 2 positioned at the outermost side can also be provided with a movable polar plate 4, when the ionization polar plate 1 is positioned at the outer side, the movable polar plate 4 is a first movable polar plate 41, and when the dust collecting polar plate 2 is positioned at the outer side, the movable polar plate 4 is a second movable polar plate 42.

Referring to fig. 2 to 4, the ionization electrode plate 1 and the dust collecting electrode plate 2 are provided with first stoppers 7 on their sides facing the smoke passage, and preferably, the first stoppers 7 may be provided on the same side of the ionization electrode plate 1 and the dust collecting electrode plate 2 and extend in the same direction. One side of the movable pole plate 4 facing the first block 7 is provided with a second block 43 capable of being electrically connected with the first block 7. The first stopper 7 is provided on the ionization plate 1 and the dust collecting plate 2 at a position downstream of the flow path of the soot gas, and the second stopper 43 is provided on the movable plate 4 at a position upstream of the flow path of the soot gas.

In the present embodiment, the first stopper 7 extends between the ionizing plate 1 and the first movable plate 41 or between the dust collecting plate 2 and the second movable plate 42, and the width of the first stopper 7 (in the direction between the ionizing plate 1 and the dust collecting plate 2, shown as the left-right direction in fig. 1) is smaller than the interval between the ionizing plate 1 and the first movable plate 41 and also smaller than the interval between the dust collecting plate 2 and the second movable plate 42, so as to prevent the movable plate 4 from contacting with the ionizing plate 1 or the integrated plate 2 to conduct when in the first position. The second stopper 43 similarly extends between the ionizing plate 1 and the first movable plate 41 or between the dust collecting plate 2 and the second movable plate 42, and the width of the second stopper 43 (in the direction between the ionizing plate 1 and the dust collecting plate 2, the left-right direction in fig. 1) is smaller than the distance between the ionizing plate 1 and the first movable plate 41 and smaller than the distance between the dust collecting plate 2 and the second movable plate 42, so as to prevent the movable plate 4 from contacting the ionizing plate 1 or the integration plate 2 to conduct when in the first position.

In order to enable the movable plate 4 to be electrically connected with the ionization plate 1 or the dust collection plate 2 after moving, the first stopper 7 may be directly opposite to the downstream of the second stopper 43, or as shown in the present invention, the first stopper 7 is arranged in a staggered manner relative to the second stopper 43 on the flow path of the lampblack gas, and the second stopper 43 has a connecting section 431 extending to be bent toward the corresponding position of the first stopper 7, so that the connecting section 431 can be electrically connected with the first stopper 7 by contacting with the first stopper 7 after the movable plate 4 moves downstream. Alternatively, it is also possible to use a mode in which the first stopper 7 is located upstream of the second stopper 43, in which case the movable stopper 4 moves from downstream to upstream.

Referring to fig. 1 and 3, the two corresponding sides of each ionization polar plate 1 and each dust collecting polar plate 2 are provided with polar plate pressing strips 3, and one of the polar plate pressing strips 3 is provided with a driving device 5. The driving device 5 comprises an air cylinder 51 arranged on the pole plate pressing strip 3, a connecting plate 52 connected with an output end 511 of the air cylinder 51, and a pole plate connecting strip 53 arranged on the connecting plate 52 and linked with the output end 511 of the air cylinder 51, wherein the pole plate connecting strip 53 is connected with each of the first movable pole plate 41 and the second movable pole plate 42.

The connecting plate 52 is provided with a protrusion 521 extending towards the direction of the movable pole plate 4, the movable pole plate 4 is provided with a bayonet 44 matched with the protrusion 521, and the matching of the protrusion 521 and the bayonet 44 can improve the connection strength.

And clamping grooves 6 for inserting the movable polar plates 4 to limit the positions are arranged on the ionization polar plates 1 and the dust collecting polar plates 2 and on one sides far away from the driving device 5.

Referring to fig. 1 and 2, the movable plate 4 is formed with a profiling, in this embodiment, the profiling is a groove 45, and the groove 45 is recessed toward the ionization plate 1 or the dust collecting plate 2. On the one hand, the recess 45 can improve the rigidity of portable polar plate 4, and on the other hand, the oil smoke granule is attached in the recess 45 of portable polar plate 4, prevents to blow away or drop, improves the dust collection ability of portable polar plate.

When the oil smoke amount is small, the movable polar plate 4 is at the initial first position, and is at the same position with the ionization polar plate 1 and the dust collecting polar plate 2 on the oil smoke gas flow path, and at this time, the distance between the ionization polar plate 1 and the second movable polar plate 42 and the distance between the dust collecting polar plate 2 and the first movable polar plate 41 are half of the distance between the ionization polar plate 1 and the dust collecting polar plate 2, so that the moving distance of oil smoke particles between the polar plates is reduced, and the oil smoke purification capacity of the electrostatic device can be obviously improved. In this state, the movable plate 4 is not energized.

When the oil smoke amount is large, the cylinder 51 works, the movable polar plate 4 moves to a second position on the path of the oil smoke gas flow along the output end 511 of the cylinder 51 (in the present invention, the movable polar plate moves from upstream to downstream, and at least is located at the downstream of the ionization polar plate 1 and the dust collecting polar plate 2 on the path of the oil smoke gas flow), at this time, the second stopper 43 moves to contact with the first stopper 7 and is electrically connected, so that the first movable polar plate 41 is electrically connected with the ionization polar plate 1, the second movable polar plate 42 is electrically connected with the dust collecting polar plate 2, the first movable polar plate 41 becomes an extension part of the ionization polar plate 1, the second movable polar plate 42 becomes an extension part of the dust collecting polar plate 2, the parts of the first movable polar plate 41 and the second movable polar plate 42 outside the ionization polar plate 1 and the dust collecting polar plate 2, and the adjacent first movable polar plate 41 and the second, the soot gas can also be ionized and collected in the channel. Therefore, the whole length of the electrostatic device is increased by arranging the movable polar plate 4, and the oil fume purification capacity of the electrostatic device is greatly improved.

In the above, the electrostatic device is described as being used in a range hood to purify oil smoke, but the electrostatic device of the present invention may also be used in other gas purification situations, such as air purification.

Claims

1. The utility model provides an electrostatic device, includes alternately ionization polar plate (1) and dust collecting polar plate (2) that set up, forms the gas passage who supplies gaseous passing through between adjacent ionization polar plate (1) and dust collecting polar plate (2), its characterized in that: the electrostatic device still includes portable polar plate (4) that can remove on the route of gas flow, portable polar plate (4) are including alternate first removal polar plate (41) and the second removal polar plate (42) that set up, first removal polar plate (41) are adjacent and interval arrangement with ionization polar plate (1), second removal polar plate (42) are adjacent and interval arrangement with collection dirt polar plate (2) to only be provided with first removal polar plate (41) or second removal polar plate (42) in every gas passage, portable polar plate (4) can be in on gas flow route, be located the primary importance with ionization polar plate (1) and collection dirt polar plate (2) same position, portable polar plate (4) are all not electrically connected with ionization polar plate (1) and collection dirt polar plate (2) when being located the primary importance, portable polar plate (4) can also be in the second place after removing, when the movable polar plate (4) is at the second position, the first movable polar plate (41) is electrically connected with the ionization polar plate (1), and the second movable polar plate (42) is electrically connected with the dust collection polar plate (2).

2. The electrostatic device of claim 1, wherein: the side of the ionization polar plate (1) and the dust collecting polar plate (2) facing the gas channel is provided with a first stop block (7), and one side of the movable polar plate (4) facing the first stop block (7) is provided with a second stop block (43) which can be electrically connected with the first stop block (7).

3. The electrostatic device of claim 2, wherein: the first stop block (7) extends between the ionization polar plate (1) and the first movable polar plate (41) or between the dust collecting polar plate (2) and the second movable polar plate (42), and the width of the first stop block (7) is smaller than the distance between the ionization polar plate (1) and the first movable polar plate (41) and the distance between the dust collecting polar plate (2) and the second movable polar plate (42); the second stop block (43) extends between the ionization polar plate (1) and the first movable polar plate (41) or between the dust collecting polar plate (2) and the second movable polar plate (42), and the width of the second stop block (43) is smaller than the distance between the ionization polar plate (1) and the first movable polar plate (41) and the distance between the dust collecting polar plate (2) and the second movable polar plate (42).

4. The electrostatic device of claim 3, wherein: the first stop (7) and the second stop (43) correspond in a gas flow path.

5. The electrostatic device of claim 3, wherein: the first stopper (7) and the second stopper (43) are arranged in a staggered manner on the gas flow path, and the second stopper (43) has a connecting section (431) extending in a bent manner to a position corresponding to the first stopper (7).

6. An electrostatic device according to any one of claims 1 to 5, wherein: the two corresponding sides of each ionization polar plate (1) and each dust collecting polar plate (2) are provided with polar plate pressing strips (3), one of the polar plate pressing strips (3) is provided with a driving device (5) for driving the movable polar plate (4) to move, the driving device (5) comprises a cylinder (51) arranged on the polar plate pressing strip (3) and a polar plate connecting strip (53) linked with the output end (511) of the cylinder (51), and the polar plate connecting strip (53) is connected with the movable polar plate (4).

7. The electrostatic device of claim 6, wherein: the driving device (5) further comprises a connecting plate (52) connected with an output end (511) of the air cylinder (51), and the pole plate connecting strip (53) is arranged on the connecting plate (52).

8. The electrostatic device of claim 7, wherein: the connecting plate (52) is provided with a bulge (521) extending towards the direction of the movable polar plate (4), and the movable polar plate (4) is provided with a bayonet (44) matched with the bulge (521).

9. The electrostatic device of claim 6, wherein: and clamping grooves (6) for inserting the movable polar plates (4) to limit the positions are formed in the ionization polar plates (1) and the dust collecting polar plates (2) and on one sides far away from the driving device (5).

10. An electrostatic device according to any one of claims 1 to 5, wherein: a groove (45) is formed in the movable polar plate (4), and the groove (45) is sunken towards the direction of the ionization polar plate (1) or the dust collection polar plate (2).