CN215901968U - Dust collecting plate and air purification device - Google Patents
Dust collecting plate and air purification device Download PDFInfo
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- CN215901968U CN215901968U CN202122408570.2U CN202122408570U CN215901968U CN 215901968 U CN215901968 U CN 215901968U CN 202122408570 U CN202122408570 U CN 202122408570U CN 215901968 U CN215901968 U CN 215901968U
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Abstract
The present invention relates to a dust collecting plate and an air cleaning apparatus, wherein the air cleaning apparatus includes: the electrode layer comprises a first electrode and a second electrode, the second electrode and the first electrode are arranged at intervals, the first electrode and the second electrode are suitable for being simultaneously grounded, or one of the first electrode and the second electrode is grounded, and the other one of the first electrode and the second electrode is connected with a first alternating current power supply; and the insulating resin layer is wrapped outside the electrode layer. The dust collecting plate can remove one layer of the surface of the insulating resin layer by means of the action of electrolytic corrosion, thereby removing dirt on the surface of the insulating resin layer, improving the automation degree of dust removing operation of the dust collecting plate, and overcoming the defects of complex cleaning process and poor consistency of the dust collecting plate in the air purifying device in the prior art.
Description
Technical Field
The utility model relates to the technical field of air purification equipment, in particular to a dust collecting plate and an air purification device.
Background
The electrostatic air purification device has the advantages of no need of consumables, wide range of particle sizes of removed dust and the like, thereby being widely applied. In the use of the electrostatic air cleaning device, charged dust adheres to the dust collecting plate, and thus scaling is easily caused on the dust collecting plate, or back corona and corrosion of dust collecting materials are caused, and thus the dust collecting plate needs to be periodically cleaned.
In the prior art, a rapping device is generally arranged on a dust collecting plate and used for shaking off dust attached to the dust collecting plate, or an electrode is used for detaching the dust collecting plate from an air purifier by an operator and then manually cleaning the dust collecting plate. The rapping device is often only used for removing dust in a loose state on the dust collecting plate, but not for removing oily substances with strong adhesion or dense dust scale generated by dust accumulation. The manual cleaning has the problems of troublesome operation, poor consistency, easy damage to the dust collecting plate and the like.
SUMMERY OF THE UTILITY MODEL
Therefore, the present invention is directed to overcome the defects of the prior art that the cleaning process of the dust collecting plate is complicated and the uniformity is poor, so as to provide a dust collecting plate and an air cleaning apparatus which are convenient to clean.
In order to solve the above problems, a first aspect of the present invention provides a dust collecting plate comprising: the electrode layer comprises a first electrode and a second electrode, the second electrode and the first electrode are arranged at intervals, the first electrode and the second electrode are suitable for being simultaneously grounded, or one of the first electrode and the second electrode is grounded, and the other one of the first electrode and the second electrode is connected with a first alternating current power supply; and the insulating resin layer is wrapped outside the electrode layer.
Further, the first electrode and the second electrode constitute an interdigital electrode.
Further, the first electrode includes a plurality of parallel arrangement's first plate body and the first connecting portion of the tip of the homonymy of connecting a plurality of first plate bodies, and the second electrode includes that the one-to-one inserts the second plate body between a plurality of first plate bodies, and a plurality of second plate bodies are parallel to each other and equal with the interval of adjacent first plate body, and the second electrode still includes the second connecting portion of the tip of the homonymy of connecting a plurality of second plate bodies.
Further, the material of the first electrode and/or the second electrode is copper.
Further, the insulating resin layer includes a melamine formaldehyde resin.
Further, the insulating resin layer further comprises glass cloth, and the glass cloth and the melamine formaldehyde resin form the insulating resin layer through a lamination forming method.
Further, the frequency of the first AC power source is any value of 5000-7000HZ, and the voltage is any value of 20-30 KV.
Further, the first electrode and the second electrode are also suitable for grounding one of the electrodes and connecting the other electrode with a second alternating current power supply, and the voltage and the frequency of the second alternating current power supply are lower than those of the first alternating current power supply.
Furthermore, the frequency of the second alternating current power supply is any value in the range of 5-15HZ, and the voltage is any value in the range of 8-10 KV.
Further, the thickness of the first plate body and/or the second plate body is any value of 0.1-0.15 mm;
and/or the distance between adjacent electrodes is any value of 1-1.5 mm;
and/or the thickness of the insulating resin layer is any value of 0.1-0.15 mm;
and/or the dielectric constant of the insulating resin layer is any value of 5-6;
and/or the insulating resin layer has a resistance of 109-1010Any value of Ω;
and/or the breakdown voltage of the insulating resin layer is any value of 40KV-70 KV.
In a second aspect, the present invention provides an air cleaning device comprising the dust collecting plate of the first aspect of the present invention.
The utility model has the following advantages:
1. according to the technical scheme, the electrode layer mainly comprises the first electrode and the second electrode which are arranged at intervals, and the insulating resin layer is wrapped outside the electrode layer. This enables the dust in the electric field to adhere to the insulating resin layer of the dust collecting plate by coulomb's force when the first electrode and the second electrode are grounded simultaneously. When one of the first electrode and the second electrode is grounded and the other is connected with a first alternating current power supply, air between the dust collecting plate and the third electrode can be broken down and plasma can be generated. The plasma can uniformly etch away a layer of the surface of the insulating resin layer, thereby removing dust and dirt from the surface of the dust collecting plate. Therefore, the dust collecting plate can remove one layer of the surface of the insulating resin layer by means of the electrolytic corrosion, so that the dirt on the surface of the insulating resin layer is removed, the automation degree of the dust removing operation of the dust collecting plate is improved, and the defects of complex cleaning process and poor consistency of the dust collecting plate in the air purifying device in the prior art can be overcome.
2. The first electrode and the second electrode form an interdigital electrode, the interdigital electrode has good parallelism, and dislocation between the first electrode and the second electrode is not easy to occur.
3. The insulating resin layer includes a melamine-formaldehyde resin having a large number of hydroxyl groups, which allows it to adsorb moisture in the air, thereby reducing the surface resistance of the insulating resin layer. When the air purification device is in a dust collection state, the surface resistance of the melamine formaldehyde resin is reduced to 109Ω or so, which makes the surface of the insulating resin layer have a small electrostatic dissipation constant. When the dust with negative charges is attached to the insulating resin layer, the charges carried on the dust can be quickly conducted away, so that the counter electric field on the surface of the dust collecting material is reduced, and the dust collecting efficiency is improved. The characteristics of melamine resin such as high nitrogen content, high crosslinking density and the like enable the melamine resin to have stronger electric arc resistance and electric erosion resistance. This enables the insulating resin layer containing the melamine formaldehyde resin to undergo multiple electrolytic etching, enabling the life of the dust collecting plate to be improved.
4. The first and second electrodes are further adapted such that one is connected to ground and the other is connected to a second ac source having a lower voltage and frequency than the first ac source. Since an electric field is generated between the dust collecting plate and the other electrode, dust covering the surface of the insulating resin layer is polarized in the electric field. At the moment, one of the first electrode and the second electrode is connected with the second alternating current power supply, an electric field in the power supply can repeatedly turn, and meanwhile, reverse acting force is applied to dust on the insulating resin layer, so that the loose dust on the surface of the insulating resin layer bounces between the dust collecting plate and the other electrode under the action of the reverse acting force, and the loose dust attached to the surface of the insulating resin layer is removed. The frequency of the second alternating current power supply is preferably any value of 5-15HZ, which can just lead the dust with looser surface of the dust collecting plate to bounce under the action of the electric field force and then to be separated from the dust collecting plate. The voltage is selected according to the voltage between the dust collecting plate and the third electrode, in this embodiment, the voltage of the second ac power source is preferably any value of 8-10KV, which can polarize the dust and bounce between the plates without breaking through the air. Can clear up comparatively loose dust on the insulating resin layer under the condition of not damaging the surface of insulating resin layer through the mode that the electric curtain removed dust, avoid leading to the scale deposit after the dust gathers in a large number to reduce the frequency of clearing up the dust collecting plate through the electroerosion effect, help prolonging the life of dust collecting plate.
5. The second aspect of the present invention provides an air cleaning apparatus, which comprises or uses the dust collecting plate of the first aspect of the present invention, and thus has the effects of improving the automation degree of the dust collecting plate dust removing operation, overcoming the defects of complicated cleaning process and poor consistency of the dust collecting plate in the prior art,
drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 illustrates a dust collecting plate of an air cleaning device according to an embodiment of the present invention;
FIG. 2 shows a first electrode of the dust plate shown in FIG. 1;
fig. 3 is a second electrode of the dust collection plate shown in fig. 1.
Description of reference numerals:
100. a dust collecting plate; 11. a first electrode; 111. a first plate body; 112. a first connection portion; 12. a second electrode; 121. a second plate body; 122. a second connecting portion.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The present embodiment relates to an air cleaning apparatus, which mainly includes a dust collecting plate 100 and a third electrode. It should be noted that, in the present embodiment, the third electrode is an electrode which is disposed opposite to the dust collecting plate 100 and is connected to the dc power supply when the air cleaning apparatus is in the dust collecting state. In other states, it may be connected to other power sources as well. As shown in fig. 1, the dust collection plate 100 mainly includes an electrode layer and an insulating resin layer (not shown). Wherein the electrode layers comprise a first electrode 11 and a second electrode 12. The second electrode 12 is spaced apart from the first electrode 11. The first electrode 11 and the second electrode 12 are adapted to be grounded simultaneously, or one of them is grounded and the other is connected to a first ac power source. The insulating resin layer wraps the electrode layer. Generally, to ensure a high dust removal efficiency of the air purification apparatus, the air purification apparatus generally includes a plurality of sets of dust collecting modules including the dust collecting plate 100 and the third electrode, for example, in the present embodiment, the air purification apparatus includes 70 sets of dust collecting plates 100 and the third electrode.
When the surface coating of dust collecting plate 100 has insulating resin layer, it can overcome the metal electrode and punctures the defect of striking sparks easily when the interval of polar plate is less, and this makes the distance between dust collecting plate 100 and the third electrode can be set up less with the deflection electric field intensity that improves air purification device's dust collecting zone to promote air purification device's dust collection efficiency. In addition, when the resistance of the insulating resistance layer is 109-1010When the range is within the range, the influence of the reverse electric field on the electric field intensity can be reduced, and the dust collection efficiency of the air purification device is further improved. After accounting, the weight of the dust collecting module composed of the dust collecting plate 100 and the third electrode in this embodiment is only half of the mass of the metal dust collecting module under the premise of achieving the same electric field intensity. And also helps to reduce the volume of the air cleaning apparatus because the distance between the dust collection plate 100 and the third electrode is small. The voltage of the DC power supply may be selected according to the nature of the electrodes, typically 40 to 40Any value of 75kV is well known to those skilled in the art and will not be described in detail herein.
As can be seen from the above technical solutions, the air purification apparatus of the present embodiment mainly includes the third electrode and the dust collecting plate 100. The electrode layers of the dust collecting plate 100 mainly include a first electrode 11 and a second electrode 12 disposed at an interval. The electrode layer is wrapped by an insulating resin layer. This makes the air cleaning device in a dust removing state when the first electrode 11 and the second electrode 12 are simultaneously grounded and the third electrode is connected to a high voltage power supply. Dust in the electric field can adhere to the insulating resin layer of the dust collecting plate 100 by coulomb force after being charged, thereby removing dust from the air. When one of the first electrode 11 and the second electrode 12 is grounded and the other is connected to a first ac power source, air between the dust collecting plate 100 and the third electrode can be broken down and plasma can be generated. The plasma can uniformly etch away a layer of the surface of the insulating resin layer, thereby removing dust and dirt from the surface of the dust collecting plate 100. Therefore, the air cleaning device of the present embodiment can remove one layer of the surface of the insulating resin layer by means of the electrolytic corrosion, thereby removing the dirt on the surface of the dust collecting plate 100, improving the automation degree of the dust removing operation of the dust collecting plate 100, and overcoming the defects of the prior art that the cleaning process of the dust collecting plate 100 is complicated and the consistency is poor.
The first electrode 11 and the second electrode 12 may be selected from various types of electrodes. Preferably, however, the first electrode 11 and the second electrode 12 constitute interdigitated electrodes. The interdigital electrode has better parallelism, and the first electrode 11 and the second electrode 12 are not easy to be dislocated. The interdigital electrodes can be selected from circular interdigital electrodes and rectangular interdigital electrodes. However, when the interdigital electrodes are selected to be circular interdigital electrodes, electric fields generated by the same poles cancel each other out, so that the discharge voltage of the power supply of the circular interdigital electrode needs to be higher than that of the rectangular difference electrode when the electric field intensity reached is the same. This increases the discharge heat of the dust collecting plate 100, easily causing the insulating resin layer to be broken. Therefore, preferably, in the present embodiment, as shown in fig. 2 and 3, the first electrodes 11 and the second electrodes 12 constitute rectangular interdigital electrodes. Specifically, the first electrode 11 includes a plurality of first plate bodies 111 arranged in parallel and a first connection portion 112 connecting end portions of the plurality of first plate bodies 111 on the same side. The second electrode 12 includes second plate bodies 121 inserted between the plurality of first plate bodies 111 in a one-to-one correspondence. The plurality of second plate bodies 121 are parallel to each other and have the same pitch as the adjacent first plate bodies 111. The second electrode 12 further includes a second connection portion 122 connecting end portions of the plurality of second plate members 121 on the same side.
The first electrode 11 may be made of copper, aluminum, tin or the like, but is preferably made of copper. The second electrode 12 may be made of copper, aluminum, tin, or the like, but is preferably made of copper. The insulating resin layer may be selected from resin materials including melamine formaldehyde resin, epoxy resin, polyester, or phenol resin. But preferably comprises a melamine formaldehyde resin. The melamine formaldehyde resin contains a large number of hydroxyl groups, which makes it possible to adsorb moisture in the air, thereby reducing the surface resistance of the insulating resin layer. When the air purification device is in a dust collection state, the surface resistance of the melamine formaldehyde resin is reduced to 109Ω or so, which makes the surface of the insulating resin layer have a small electrostatic dissipation constant. When the dust with negative charges is attached to the insulating resin layer, the charges carried on the dust can be quickly conducted away, so that the counter electric field on the surface of the dust collecting material is reduced, and the dust collecting efficiency is improved.
When one of the first electrode 11 and the second electrode 12 is grounded and the other is connected to a first ac power source. The discharged heat volatilizes the moisture absorbed by the melamine resin, and the surface resistance of the melamine formaldehyde resin is increased, so that the melamine formaldehyde resin is not easy to break down. And the air between the dust collecting plate 100 and the third electrode can be broken down and plasma can be generated. The plasma can uniformly etch away a layer of the surface of the insulating resin layer while removing dust and dirt, which are difficult to remove, from the surface of the dust collecting plate 100. The melamine formaldehyde resin has high nitrogen content, so that carbon deposition is not easy to generate when the surface of the melamine formaldehyde resin is cleaned by electric erosion, and the dust collection efficiency of the air purification device is not easy to influence. In addition, the characteristics of high nitrogen content, high crosslinking density and the like of the melamine resin enable the melamine resin to have stronger electric arc resistance and electric erosion resistance. This enables the insulating resin layer containing the melamine formaldehyde resin to undergo multiple electrolytic etching, which can improve the life span of the dust collecting plate 100. Preferably, the frequency of the first ac power source is any value of 5000-. The voltage of the first alternating current power supply is any value of 20-30 KV. It is possible to ensure that the air between the dust collecting plate 100 and the third electrode is broken down while the insulating resin layer is not broken down.
Preferably, the insulating resin layer further includes a glass cloth. The glass cloth and the melamine formaldehyde resin form the insulating resin layer through a lamination molding method. Specifically, in the present embodiment, the step of wrapping the insulating resin layer on the surface of the electrode layer by the lamination molding method includes: covering a prepreg consisting of glass cloth and insulating resin on each of two sides of the electrode layer; pressing the semi-finished product into a semi-finished product with the thickness of about 1.5mm by using a hot-press forming machine, and then cutting the semi-finished product into a dust collecting plate according to the size required by the process. When insulating resin selects melamine formaldehyde resin, because melamine formaldehyde resin has certain mobility after being heated the pressurized, its inside air can be extruded and discharged, can avoid insulating resin layer inside appearance space, leads to being punctured easily. When the insulating resin is melamine formaldehyde resin, the temperature of the hot-press forming machine can be selected from 120 ℃ to 135 ℃, and the pressure can be selected from 25kg/mm2-30kg/mm2。
The type of the glass cloth is preferably but not limited to 7628 type electronic grade glass cloth or 2116 type electronic grade glass cloth. The specific type of the glass cloth is mainly selected according to the thickness of the insulating resin layer, for example, when the thickness of the insulating resin layer is more than 0.15mm, the glass cloth is preferably 7628 type electronic grade glass cloth. When the thickness of the insulating resin layer is less than 0.15mm, the glass cloth is preferably 2116 type electronic grade glass cloth. The resin material and the glass fiber material are compounded to form the insulating resin material, so that the strength and toughness of the insulating resin layer can be improved, the risk of cracking of the insulating resin layer is reduced, the dielectric constant of the insulating resin layer can be increased, the dielectric constant of the insulating resin layer is stabilized between 5 and 6, and the insulating resin layer with higher dielectric constant is not easy to break down and damage. When one of the first electrode 11 and the second electrode 12 is grounded and the other is connected to a first ac power supply, the insulating resin layer having a higher dielectric constant can reduce a discharge voltage, so that discharge is more stable.
In this embodiment, the first electrode 11 and the second electrode 12 are also adapted to be grounded, and the other is connected to a second ac power source. Preferably, the voltage and frequency of the second ac power source are lower than the voltage and frequency of the first ac power source. At the moment, the air purification device is in an electric curtain dedusting state. Since an electric field is generated between the dust collecting plate 100 and the other electrode, the dust coated on the surface of the insulating resin layer is polarized in the electric field. At this time, one of the first electrode 11 and the second electrode 12 is connected to a second ac power supply, and an electric field in the power supply is repeatedly turned, and a reverse acting force is applied to the dust on the insulating resin layer, so that the loose dust on the surface of the insulating resin layer bounces between the dust collecting plate 100 and the other electrode under the action of the reverse acting force, thereby removing the loose dust attached to the surface of the insulating resin layer. The frequency of the second ac power is preferably any value of 5 to 15HZ, which is just enough to make the loose dust on the surface of the dust collecting plate 100 bounce under the action of the electric field force and thus detach from the dust collecting plate 100. The voltage is selected according to the voltage between the dust collecting plate 100 and the third electrode, and in this embodiment, the voltage of the second ac power source is preferably any value of 8-10KV, so that the dust can be polarized and bounced between the plates without breaking through the air.
Comparatively loose dust on the insulating resin layer can be cleared up under the condition of not damaging the surface of insulating resin layer through the mode of electric curtain dust removal, has avoided leading to the scale deposit after the dust gathers in a large number to reduce the frequency of clearing up dust collecting plate 100 through the electroerosion effect, help prolonging dust collecting plate 100's life. Under the electric curtain dust removal mode, the moisture on the surface of the melamine formaldehyde resin can be heated and volatilized under an alternating electric field. This makes the insulating resin layer surface resistance rise, and the static ability reinforcing can promote air purification device's dust collection efficiency.
In the present embodiment, when the first plate 111 and/or the second plate 121 are too thin, the edge of the plate may be sharp, resulting in distortion of the electric field. When the first plate 111 and/or the second plate 121 are too wide, it may cause dust on the metal surface to be difficult to clean. Therefore, the width of the first plate 111 and/or the second plate 121 is preferably any value of 0.1 to 0.15 mm. The electric field distortion is not caused, and the dust on the surface of the electrode is not difficult to clean. Wherein, the width refers to the length of the electrode in the direction parallel to the first connection portion 112. The distance between the adjacent first plate bodies 111 in the first electrode 11 may be adjusted according to the thickness of the insulating resin layer, and is preferably any value between 1 and 1.5 mm. The larger the electrode distance, the higher the voltages of the first ac power supply and the second ac power supply are required to enable cleaning of the dust collecting plate 100. Therefore, the electrode pitch is preferably any value of 1-1.5mm, and in the present embodiment, the electrode pitch refers to the distance between the dust collecting plate 100 and the third electrode. When the thickness of the insulating resin layer is too thin, the insulating resin layer is easily broken down, and the service life of the whole air purification device is even seriously affected. An excessively thick thickness of the insulating resin layer may make it difficult for dust to be charged. Preferably, in the present embodiment, the thickness of the insulating resin layer is any value of 0.1 to 0.15 mm.
The dust collecting plate 100 is less likely to be broken down as the dielectric constant value of the insulating resin layer is higher, but the dielectric constant of the insulating resin layer is preferably any value of 5 to 6 in order not to excessively increase the manufacturing cost of the dust collecting plate 100. By checking, when the resistance of the insulating resin layer is selected to be 109-1010When the value of Ω is any value, the influence of the reverse electric field can be reduced, and the insulating resin layer can be prevented from being broken down. The breakdown voltage of the insulating resin layer is set to any value of 40KV-70 KV. The applicant has found, based on the analysis of the usage habits of the air cleaner, that the dust collecting plate 100 is washed at most once every 10 to 15 days in a continuous non-stop use. The design life of the dust collection plate 100 is typically three years. The number of cleanings does not exceed 120 times during the life cycle of the dust collection plate 100. Applicants have determined after numerous tests that the life of the dust collection sheet 100 is sufficient to meet the design life of the dust collection sheet 100 when the dust collection sheet 100 is produced according to the parameters described above.
In order to facilitate the operator to switch the power supply connected to the electrodes and thereby change the operation of the air cleaning device, the first ac power supply and the second ac power supply are preferably integrated in one and the same power supply module. When an operator needs to replace the power supply connected with the first electrode 11 or the second electrode 12, the operator only needs to switch the switch of the power supply module, and the safety of connection conversion can be ensured.
In summary, the air purification apparatus of the present embodiment can remove one layer of the surface of the insulating resin layer by means of the electrolytic corrosion, so as to remove the dirt on the surface of the insulating resin layer, improve the automation degree of the dust collecting plate dust removing operation, and overcome the defects of the prior art that the dust collecting plate cleaning process is complicated and the consistency is poor.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.
Claims (11)
1. A dust collection plate, comprising:
the electrode layer comprises a first electrode (11) and a second electrode (12), the second electrode (12) is arranged at a distance from the first electrode (11), the first electrode (11) and the second electrode (12) are suitable for being simultaneously grounded, or one of the first electrode and the second electrode is grounded, and the other one is connected with a first alternating current power supply;
and the insulating resin layer is wrapped outside the electrode layer.
2. The collecting plate according to claim 1, characterized in that the first electrodes (11) and the second electrodes (12) constitute interdigitated electrodes.
3. The dust collecting plate according to claim 1, wherein the first electrode (11) comprises a plurality of first plate bodies (111) arranged in parallel and first connecting portions (112) connecting ends of the same side of the plurality of first plate bodies (111), the second electrode (12) comprises second plate bodies (121) inserted between the plurality of first plate bodies (111) in a one-to-one correspondence, the plurality of second plate bodies (121) are parallel to each other and have the same pitch as that of the adjacent first plate bodies (111), and the second electrode (12) further comprises second connecting portions (122) connecting ends of the same side of the plurality of second plate bodies (121).
4. The collecting plate according to claim 1, characterized in that the material of the first electrode (11) and/or the second electrode (12) is copper.
5. A dust collecting plate according to any one of claims 1-4, characterised in that the insulating resin layer comprises a melamine formaldehyde resin.
6. The dust collecting plate as claimed in claim 5, wherein the insulating resin layer further comprises a glass cloth, and the glass cloth and the melamine formaldehyde resin are formed into the insulating resin layer by a lamination molding method.
7. The dust collecting plate as claimed in any one of claims 1 to 4, wherein the frequency of the first AC power source is any value of 5000-7000Hz and the voltage is any value of 20-30 KV.
8. The collecting plate according to any of claims 1-4, wherein the first electrode (11) and the second electrode (12) are further adapted to be grounded on one side and to be connected to a second alternating current source having a lower voltage and frequency than the first alternating current source.
9. The dust collecting plate of claim 8, wherein the frequency of the second ac power source is any value of 5 to 15HZ, and the voltage is any value of 8 to 10 KV.
10. A dust collection plate according to claim 3, wherein:
the thickness of the first plate body (111) and/or the second plate body (121) is any value of 0.1-0.15 mm;
and/or the distance between the adjacent electrodes is any value of 1-1.5 mm;
and/or the thickness of the insulating resin layer is any value of 0.1-0.15 mm;
and/or the dielectric constant of the insulating resin layer is any value of 5-6;
and/or the resistance of the insulating resin layer is 109-1010Any value of Ω;
and/or the breakdown voltage of the insulating resin layer is any value of 40KV-70 KV.
11. An air cleaning device, characterized in that it comprises a dust collecting plate (100) according to any one of claims 1 to 10.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122408570.2U CN215901968U (en) | 2021-09-30 | 2021-09-30 | Dust collecting plate and air purification device |
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| CN202122408570.2U CN215901968U (en) | 2021-09-30 | 2021-09-30 | Dust collecting plate and air purification device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114957581A (en) * | 2022-07-04 | 2022-08-30 | 珠海格力电器股份有限公司 | Modified melamine resin, preparation method thereof, dust collecting plate and air purifier |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114957581A (en) * | 2022-07-04 | 2022-08-30 | 珠海格力电器股份有限公司 | Modified melamine resin, preparation method thereof, dust collecting plate and air purifier |
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