Electrode unit and purification and dust removal device

Abstract

The utility model discloses an electrode unit and a purification and dust removal device, and relates to the technical field of air dust removal. The electrode unit comprises a conductive layer and two insulating layers. The two insulating layers are connected to form an insulating shell, the insulating shell comprises a coating main body and two sealing edges, the two sealing edges are oppositely arranged on the two sides of the coating main body, a containing cavity is formed in the coating main body, the conductive layer is arranged in the containing cavity, the thickness of the coating main body is larger than that of the sealing edges, and the width of the sealing edges is 0.1 mm-20 mm. Compared with the prior art, the electrode unit provided by the utility model has the advantages that the two connected insulating layers and the sealing edge with the width of 0.1 mm-20mm are adopted, so that the sealing effect can be effectively enhanced, the connection strength is improved, the cracking condition is avoided, the insulating effect is ensured, and the electrostatic dust collection effect is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to air dust removal technical field, specifically, relate to an electrode unit and purification dust removal device. BACKGROUND

[0002] Electrostatic precipitation is a kind of gas dust removal method, dust-containing gas is electrically separated when passing through high-voltage electrostatic field, forms positive ion and electron, and the electron in the process of rushing to the positive electrode meets dust particle, so that the dust particle is negatively charged, and is absorbed and collected by the positive electrode, to realize dust removal.Current electrostatic dust removal device on the market generally adopts multiple electrode units arranged along the thickness direction at intervals, forms air duct between adjacent electrode units, and the electrode unit is used to ionize dust-containing gas during passing through the air duct.The electrode unit is usually covered by two insulating layers outside the conductive layer to realize the insulation function of the conductive layer, but the two insulating layers are generally welded or ultrasonic connected now, and the sealing effect is poor, the connection strength is low, and cracking is prone to occur between the two insulating layers, which affects the insulation effect and thus affects the electrostatic precipitation effect.

[0003] Therefore, it is particularly important to design and manufacture an electrode unit and purification dust removal device with good sealing effect and high connection strength, especially in electrostatic precipitation. SUMMARY

[0004] The utility model discloses a kind of electrode units, can effectively enhance sealing effect, improve connection strength, avoid cracking, guarantee insulation effect, so as to guarantee electrostatic precipitation effect.

[0005] Another purpose of the utility model is to provide a kind of purification dust removal device, the sealing effect of the electrode unit in it can be effectively enhanced, connection strength is improved, cracking is avoided, insulation effect is guaranteed, so as to guarantee electrostatic precipitation effect.

[0006] The utility model is implemented by using the following technical solutions.

[0007] An electrode unit includes a conductive layer and two insulating layers, the two insulating layers are connected to form an insulating shell, the insulating shell includes a cladding body and two sealing edges, the two sealing edges are oppositely arranged on both sides of the cladding body, and a containing cavity is arranged in the cladding body, and the conductive layer is arranged in the containing cavity, wherein the thickness of the cladding body is greater than the thickness of the sealing edge, and the width of the sealing edge is 0.1mm-20mm.

[0008] Optionally, the thickness of the cladding body is 0.5mm-5mm;And / or, the thickness of the sealing edge is 0.2mm-4mm.

[0009] Optionally, the insulating layer is PET film, PP film or PVC film; and / or, the thickness of the insulating layer is 0.05mm-5mm.

[0010] Optionally, the conductive layer is provided with a clearance hole, and the two insulating layers are connected through the clearance hole.

[0011] Optionally, the number of the clearance holes is multiple, and the multiple clearance holes are arranged at intervals.

[0012] Optionally, the conductive layer comprises an electric field segment and a conductive segment connected in sequence, the electric field segment is arranged in the accommodating cavity, and the conductive segment extends out of the accommodating cavity and is used for electric connection.

[0013] Optionally, the insulating layer comprises a first protruding part, a connecting part and a second protruding part, the first protruding part and the second protruding part are oppositely arranged at two ends of the connecting part, the first protruding part covers part of the conductive segment, and the first protruding part and the second protruding part are both used for clamping positioning.

[0014] Optionally, the distance between the connecting part close to the second protruding part and the electric field segment is 0-40mm.

[0015] Optionally, the insulating shell is provided with a limiting structure, and the limiting structure is used for cooperating with the clamping strip.

[0016] A purification and dust removal device comprises the electrode unit, the electrode unit comprises a conductive layer and two insulating layers, the two insulating layers are connected to form an insulating shell, the insulating shell comprises a covering main body and two sealing edges, the two sealing edges are oppositely arranged at two sides of the covering main body, the covering main body is provided with an accommodating cavity, and the conductive layer is arranged in the accommodating cavity.

[0017] The electrode unit and the purification and dust removal device have the following beneficial effects:

[0018] The electrode unit comprises two insulating layers connected to form an insulating shell, the insulating shell comprises a covering main body and two sealing edges, the two sealing edges are oppositely arranged at two sides of the covering main body, the covering main body is provided with an accommodating cavity, and the conductive layer is arranged in the accommodating cavity, wherein the thickness of the covering main body is greater than the thickness of the sealing edge, and the width of the sealing edge is 0.1mm-20mm. Compared with the prior art, the electrode unit provided by the utility model can effectively enhance the sealing effect, improve the connection strength, avoid cracking, ensure the insulation effect and thus ensure the electrostatic dust removal effect.

[0019] The electrode unit in the purification and dust removal device can effectively enhance the sealing effect, improve the connection strength, avoid the cracking condition, ensure the insulation effect, and thus ensure the electrostatic dust removal effect. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the present application, and thus should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the premise of the drawings.

[0021] Fig. 1 The structure diagram of the electrode unit provided in the embodiments of the present application is shown in the figure.

[0022] Fig. 2 The structure diagram of the insulation shell formed by the two insulation layers in the electrode unit provided in the embodiments of the present application is shown in the figure.

[0023] Fig. 3 The sectional view of the electrode unit provided in the embodiments of the present application is shown in the figure.

[0024] Fig. 4 The structure diagram of the electrode unit provided in the embodiments of the present application is shown in the figure.

[0025] Icon: 100-electrode unit; 110-conductive layer; 111-give place hole; 112-electric field section; 113-conductive section; 120-insulation layer; 121-first protruding part; 122-connection part; 123-second protruding part; 130-insulation shell; 131-coating main body; 132-sealing edge; 133-accommodation cavity; 134-limiting structure; 140-limiting column. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical scheme in the embodiments of the present application, and obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0027] Therefore, the following detailed description of the embodiments of the application provided in the drawings is not intended to limit the scope of the application claimed, but merely represents selected embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the application.

[0028] It should be noted that: similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0029] In the description of the application, it should be noted that the terms "inner", "outer", "upper", "lower", "horizontal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the product of the application is used, and are only for the convenience of describing the application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the application. In addition, the terms "first", "second", "third" and the like are only used for differentiation and cannot be understood as indicating or implying relative importance.

[0030] In the description of the application, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set", "connected", "mounted", "connected" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements inside. For those of ordinary skill in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances.

[0031] Some embodiments of the application will be described in detail below with reference to the accompanying drawings. The features in the following embodiments can be combined with each other without conflict.

[0032] Please refer to Figs. 1 to 4 The embodiment of the application provides a purification and dust removal device (not shown in the figure), which is used for purifying and removing dust from air to improve the cleanliness of air. The electrode unit 100 can effectively enhance the sealing effect, improve the connection strength, avoid the cracking condition, ensure the insulation effect, and thus ensure the electrostatic dust removal effect.

[0033] The purification and dust removal device comprises a base (not shown in the figure) and a plurality of electrode units 100. Among them, the plurality of electrode units 100 are all installed on the base, the base is used for fixing and limiting the plurality of electrode units 100, the plurality of electrode units 100 are arranged at intervals along the thickness direction, and a wind channel is formed between adjacent two electrode units 100, which is used for blowing dust-containing gas.

[0034] Specifically, the plurality of electrode units 100 comprise a plurality of high-voltage electrode units and a plurality of low-voltage electrode units, wherein the plurality of high-voltage electrode units and the plurality of low-voltage electrode units are arranged alternately in sequence, and a wind channel is formed between adjacent high-voltage electrode units and low-voltage electrode units. Because a high-voltage electric field can be generated between adjacent high-voltage electrode units and low-voltage electrode units, during the blowing of dust-containing gas through the wind channel, the high-voltage electric field can ionize the air molecules in the wind channel into positive and negative ions, and make the dust particles carry negative electricity, so as to facilitate the subsequent adsorption and collection of dust particles. In addition, when the negative ions come into contact with bacteria, mold, viruses and the like, the negative ions themselves carry excess electrons, which can destroy the molecular protein structure in the bacteria, mold, viruses and the like, so as to cause structural changes (protein polarity reversal) or energy transfer of the bacteria, mold, viruses and the like, thereby killing the bacteria, mold, viruses and the like, so that the purification and dust removal device also has a sterilization effect, and further improves the cleanliness of the air.

[0035] The electrode unit 100 comprises a conductive layer 110 and two insulating layers 120. The two insulating layers 120 are connected to form an insulating shell 130. In this embodiment, the two insulating layers 120 are integrated into an integral structure after hot melting processing, that is, the insulating shell 130. The hot melting processing has good integration effect, and can ensure the sealing property and connection strength of the insulating shell 130. Specifically, the insulating shell 130 comprises a cladding body 131 and two sealing edges 132, and the two sealing edges 132 are oppositely arranged on the two sides of the cladding body 131. The cladding body 131 is provided with a receiving cavity 133, and the conductive layer 110 is arranged in the receiving cavity 133. The cladding body 131 is used for cladding the conductive layer 110, so as to separate the conductive layer 110 from the outside, thereby realizing the insulation function of the conductive layer 110. The sealing edge 132 is a fusion edge formed during the hot melting processing of the two insulating layers 120, and the sealing edge 132 is used for further improving the sealing property of the insulating shell 130, thereby ensuring the insulation effect.

[0036] In this embodiment, the two insulating layers 120 are hot-melt connected to form the sealing edge 132. However, it is not limited thereto. In other embodiments, the two insulating layers 120 can be ultrasonic welded or bonded, and the connection mode of the two insulating layers 120 is not limited.

[0037] Further, the thickness of the covering body 131 is greater than the thickness of the sealing edge 132, so as to ensure that the covering body 131 can completely cover the conductive layer 110; the width of the sealing edge 132 is 0.1mm-20mm, and the reasonable width of the sealing edge 132 can enhance the sealing effect, improve the connection strength, ensure the insulation effect, and facilitate the observation of the sealing condition of the accommodating cavity 133, thereby facilitating the maintenance and replacement of the electrode unit 100. In this way, the hot melt formed electrode unit 100 can effectively enhance the sealing effect, improve the connection strength, avoid cracking, ensure the insulation effect, and thus ensure the electrostatic dust removal effect.

[0038] Preferably, the thickness of the covering body 131 is 0.5mm-5mm, and the thickness of the sealing edge 132 is 0.2mm-4mm, and the reasonable thickness of the covering body 131 and the sealing edge 132 can ensure the hot melting effect, thereby improving the integration degree of the insulating shell 130, and further improving the sealing property and the connection strength of the insulating shell 130. In order to facilitate understanding, the thickness of the covering body 131 is denoted as a, the thickness of the sealing edge 132 is denoted as b, and the width of the sealing edge 132 is denoted as c.

[0039] Preferably, the insulating layer 120 is a PET film (polyethylene terephthalate film), a PP film (polypropylene film), or a PVC film (polyvinyl chloride film), etc., and the material source is a roll material, which can directly cover multiple conductive layers 110 and perform hot melt connection during processing, and cut off the connection at the same time of hot melt processing, so as to realize the independent forming of multiple electrode units 100.

[0040] Further, the thickness of the insulating layer 120 is 0.05mm-5mm, and the reasonable thickness of the insulating layer 120 can ensure the hot melting effect and the insulation effect, and prevent the conductive layer 110 from being short-circuited.

[0041] Preferably, the conductive layer 110 is made of a conductive material, and the conductive layer 110 can not only be injection molded, but also be processed and formed by printing, spraying conductive ink, or other conductive materials.

[0042] Further, the thickness of the conductive layer 110 is 0.1mm-3mm, and the reasonable thickness of the conductive layer 110 can ensure the conductive effect, thereby enhancing the electrostatic dust removal effect.

[0043] It should be noted that the conductive layer 110 is provided with a clearance hole 111, and the two layers of insulating layers 120 are connected through the clearance hole 111 to fix the relative position of the conductive layer 110 and the insulating shell 130, prevent the conductive layer 110 from moving in the accommodation cavity 133, and ensure the reliability of the electrode unit 100. In this embodiment, the two layers of insulating layers 120 are connected through the clearance hole 111 by heat melting to form a limiting column 140 in the clearance hole 111, and the limiting column 140 is used to limit the conductive layer 110 located in the accommodation cavity 133 to fix the relative position of the conductive layer 110 and the insulating shell 130.

[0044] Further, the number of the clearance hole 111 and the limiting column 140 is multiple, the multiple clearance holes 111 are arranged at intervals, and each limiting column 140 is arranged in one clearance hole 111 to further fix the relative position of the conductive layer 110 and the insulating shell 130, prevent the conductive layer 110 from moving in the accommodation cavity 133, and improve the reliability of the electrode unit 100.

[0045] The conductive layer 110 includes an electric field section 112 and a conductive section 113 connected in sequence. The electric field section 112 is arranged in the accommodation cavity 133, and the insulating layer 120 is wrapped outside the electric field section 112, that is, the electric field section 112 is arranged between the two layers of insulating layers 120, and the conductive section 113 protrudes out of the accommodation cavity 133 and is arranged, and the conductive section 113 is used for electric connection. Specifically, the electric field section 112 is the part of the conductive layer 110 for generating an electric field, the conductive section 113 is the part of the conductive layer 110 for realizing electric conduction, and the conductive layer 110 has continuous conductive capacity in the length direction thereof.

[0046] Further, the two insulating layers 120 are arranged opposite to the two sides of the electric field section 112 in the thickness direction, that is, the two insulating layers 120 completely wrap the electric field section 112, and the conductive section 113 protrudes out of the insulating layer 120 to facilitate electric conduction. When a plurality of electrode units 100 are arranged at intervals in the thickness direction, the insulating layer 120 can isolate the electric field sections 112 of the two adjacent conductive layers 110, avoid corona discharge between the two adjacent conductive layers 110, reduce the generation of ozone, reduce the risk of electric shock, and improve safety.

[0047] The insulating layer 120 includes a first protruding part 121, a connecting part 122, and a second protruding part 123. The first protruding part 121 and the second protruding part 123 are arranged opposite to the two ends of the connecting part 122, the first protruding part 121 covers part of the conductive section 113, that is, the conductive section 113 partially protrudes out of the first protruding part 121 and is arranged to facilitate electric connection, and the first protruding part 121 and the second protruding part 123 are both used for clamping positioning to fix the position of the electrode unit 100, thereby ensuring the stable formation of the air duct.

[0048] Specifically, the base oppositely has a first clamping groove (not shown in the figure) and a second clamping groove (not shown in the figure), the first protruding part 121 is clamped in the first clamping groove, and the second protruding part 123 is clamped in the second clamping groove, so as to fix the positions of the two ends of the electrode unit 100, thereby fixing the relative positions of the electrode unit 100 and the base, and preventing the electrode unit 100 from being accidentally separated from the base.

[0049] Further, the distance between the end of the connecting part 122 close to the second protruding part 123 and the electric field segment 112 is 0-40mm, that is, the reserved length between the end of the connecting part 122 close to the second protruding part 123 and the electric field segment 112 is 0-40mm, and the reasonable distance between the end of the connecting part 122 close to the second protruding part 123 and the electric field segment 112 can ensure the performance of the electrode unit 100, improve the safety thereof, and prolong the service life thereof. In order to facilitate understanding, the distance between the end of the connecting part 122 close to the second protruding part 123 and the electric field segment 112 is denoted as d.

[0050] Preferably, the insulating shell 130 is provided with a limiting structure 134, and the limiting structure 134 is used in cooperation with a clamping strip (not shown in the figure) to limit the electrode unit 100. Specifically, after the plurality of electrode units 100 are all installed on the base, the clamping strip is clamped on the plurality of electrode units 100 at the same time, so that each clamping groove on the clamping strip cooperates with the limiting structure 134 of one insulating shell 130, thereby fixing the relative positions of the plurality of electrode units 100, preventing the plurality of electrode units 100 from being deformed to cause the spacing between the plurality of electrode units 100 to be uneven, and ensuring the product performance.

[0051] In the embodiment, the limiting structure 134 is a groove, and the groove is used in cooperation with the clamping groove to fix the relative positions of the clamping strip and the electrode unit 100. However, it is not limited to this, and in other embodiments, the limiting structure 134 can also be a boss, and the form of the limiting structure 134 is not specifically limited.

[0052] The electrode unit 100 provided by the embodiment of the utility model, two layers of insulating layers 120 are connected to form an insulating shell 130, the insulating shell 130 includes a cladding main body 131 and two sealing edges 132, the two sealing edges 132 are oppositely arranged on the two sides of the cladding main body 131, the cladding main body 131 is provided with a containing cavity 133, and the conductive layer 110 is arranged in the containing cavity 133, wherein the thickness of the cladding main body 131 is greater than the thickness of the sealing edge 132, and the width of the sealing edge 132 is 0.1mm-20mm. Compared with the prior art, the electrode unit 100 provided by the utility model can effectively enhance the sealing effect, improve the connecting strength, avoid the cracking, ensure the insulating effect, and thus ensure the electrostatic dust removal effect, so that the purification and dust removal device has strong stability and good dust removal effect.

[0053] The preferred embodiments of the present application have been described above with the preferred embodiments, but are not intended to limit the present application. For those skilled in the art, the present application can have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An electrode unit, characterized by The electrode unit comprises a conductive layer and two insulating layers, the two insulating layers are connected to form an insulating shell, the insulating shell comprises a covering body and two sealing edges, the two sealing edges are oppositely arranged on two sides of the covering body, the covering body is internally provided with a containing cavity, the conductive layer is arranged in the containing cavity, wherein the thickness of the covering body is greater than the thickness of the sealing edge, and the width of the sealing edge is 0.1-20 mm.

2. The electrode unit according to claim 1, characterized in that The thickness of the covering body is 0.5-5 mm; and / or the thickness of the sealing edge is 0.2-4 mm.

3. The electrode unit of claim 1, wherein The insulating layer is a PET film, a PP film or a PVC film; and / or the thickness of the insulating layer is 0.05-5 mm.

4. The electrode unit of claim 1, wherein The conductive layer is provided with a clearance hole, and the two insulating layers are connected through the clearance hole.

5. The electrode unit of claim 4, wherein, The number of the clearance holes is multiple, and the multiple clearance holes are arranged at intervals.

6. The electrode unit of claim 1, wherein, The conductive layer comprises an electric field segment and a conductive segment which are connected in sequence, the electric field segment is arranged in the containing cavity, the conductive segment is arranged out of the containing cavity, and the conductive segment is used for electric connection.

7. The electrode unit of claim 6, wherein The insulating layer comprises a first protruding part, a connecting part and a second protruding part, the first protruding part and the second protruding part are oppositely arranged at two ends of the connecting part, the first protruding part covers part of the conductive segment, and the first protruding part and the second protruding part are both used for clamping positioning.

8. The electrode unit of claim 7, wherein, The distance between the connecting part close to the second protruding part and the electric field segment is 0-40 mm.

9. The electrode unit of claim 1, wherein, The insulating shell is provided with a limiting structure which is used for cooperating with a clamping strip.

10. A purification and dedusting device, characterized in that, The electrode unit comprises the electrode unit as claimed in any one of claims 1-9.

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