A static sheet which is easy to assemble and an electrostatic filter using the same

Abstract

The utility model discloses a static sheet convenient to assemble, including the main part of sheet shape, the main part surface is equipped with the conductive coating, the main part upper portion is equipped with a downward extending front and back through the main part's bending seam, and the main part forms the accommodation portion and the contact portion of concave-convex matching at the both sides of bending seam, and the accommodation portion and the contact portion are located in the conductive coating coverage, and the accommodation portion is C-shaped for the conductive body and is hung on the conductive body, and the contact portion is used for avoiding the conductive body and lapping on the conductive body after avoiding when the conductive body passes through the accommodation portion.

Description

Technical Field

[0001] This utility model relates to an electrostatic sheet that is easy to assemble and an electrostatic filter that uses it. Background Technology

[0002] Electrostatic filters are widely used in air purification due to their low energy consumption, high purification efficiency, and lack of consumables. Their core component is a series of parallel electrostatic sheets, which achieve gas-solid separation by applying high voltage to create a uniform electric field between them. Electrostatic sheets are mainly available in two structures: integrated and multi-sheet spliced. The multi-sheet spliced ​​type has become the mainstream due to its strong adaptability and low transportation costs.

[0003] The mainstream multi-piece splicing structure uses welding or bolts to fix the electrostatic sheets together to ensure that each electrostatic sheet can be electrically connected and that the gaps are uniform. However, both fixing methods have obvious drawbacks: welding requires professional operation and precise control of temperature and weld points to avoid damaging the electrostatic sheets. When splicing multiple sheets, the process is completed point by point, resulting in a long assembly cycle and low efficiency. Moreover, the welded sheets cannot be disassembled, and if a single sheet is damaged, the entire sheet must be replaced, resulting in high maintenance costs. Although bolt fastening allows for disassembly and can achieve electrical connection, it requires aligning the bolt holes of dozens to hundreds of electrostatic sheets one by one and tightening the bolts in sequence. It also requires additional auxiliary parts such as washers and nuts, and the assembly time is extremely long.

[0004] Therefore, how to overcome the above-mentioned defects and develop an electrostatic sheet that can be quickly assembled has become an important issue that needs to be addressed by those skilled in the art. Utility Model Content

[0005] This invention overcomes the shortcomings of the above-mentioned technologies and provides an electrostatic sheet that is easy to assemble and an electrostatic filter that uses it.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: An easily assembled electrostatic sheet includes a sheet-shaped main body 1. The surface of the main body 1 is provided with a conductive coating 2. The upper part of the main body 1 is provided with a downwardly extending bending slit 3 that runs through the main body 1. The main body 1 has a matching receiving portion 11 and a contact portion 12 on both sides of the bending slit 3. The receiving portion 11 and the contact portion 12 are located within the coverage area of ​​the conductive coating 2. The receiving portion 11 is C-shaped for a conductor to pass through and hang on the conductor. The contact portion 12 is used to avoid the conductor forward or backward when the conductor passes through the receiving portion 11 and to overlap the conductor after avoiding it.

[0007] Preferably, the bending seam 3 includes a separation section 31 extending downward from the upper edge of the main body 1, the lower end of the separation section 31 is connected to a contact section 32 extending downward in a semi-circular shape, and the lower end of the contact section 32 is connected to a bending section 33 extending in the tangential direction.

[0008] Preferably, the upper edge of the main body 1 is also provided with a V-shaped alignment notch 4, and the lower end of the alignment notch 4 is connected to the upper end of the separation section 31.

[0009] Preferably, the separation section 31 is inclined toward the center of the contact section 32.

[0010] Preferably, the lower part of the main body 1 is also provided with a clearance 5 for avoiding another conductor.

[0011] Preferably, the main body 1 is a PET sheet, and the conductive coating 2 is conductive ink fixed on the surface of the main body 1.

[0012] An electrostatic filter using the aforementioned electrostatic sheets includes a plurality of parallel electrostatic sheets, half of which are upright (i.e., with the bend 3 at the top) and the other half are inverted (i.e., with the bend 3 at the bottom). The upright and inverted electrostatic sheets are spaced apart. The electrostatic filter also includes a first conductor 6 and a second conductor 7. The first conductor 6 passes through the receiving portion 11 of all the upright electrostatic sheets to electrically connect all the upright electrostatic sheets. The second conductor 7 passes through the receiving portion 11 of all the inverted electrostatic sheets to electrically connect all the inverted electrostatic sheets. Filter grooves 8 for air to pass through are formed between adjacent electrostatic sheets.

[0013] Preferably, the electrostatic filter further includes a plurality of limiting strips 9 fixedly distributed vertically on the side of the electrostatic sheet, the limiting strips 9 being used to fix the relative position of each electrostatic sheet.

[0014] Preferably, the limiting strip 9 is provided with a plurality of positioning grooves 91, which are used for inserting the edge of the electrostatic sheet.

[0015] Compared with the prior art, the beneficial effects of this utility model are: 1. The electrostatic sheet in this case, by incorporating bending seams on its main body, forms a recessed and protruding receiving part and contact part, thus eliminating the need for traditional welding and bolt fastening methods. Assembly and electrical connection between the electrostatic sheet and the conductor can be completed simply by hanging the receiving part on the conductor and overlapping the contact part. This assembly method is simple to operate and extremely quick, significantly reducing assembly time. Furthermore, the electrostatic sheet and the conductor can be independently disassembled and replaced; when the electrostatic sheet malfunctions, it can be replaced individually, significantly reducing maintenance costs.

[0016] 2. The electrostatic filter in this case includes electrostatic sheets, a first conductor, and a second conductor. Half of the electrostatic sheets are upright, and the other half are inverted, with the upright and inverted sheets spaced alternately. The first conductor passes through the receiving portion of all the upright electrostatic sheets, and the second conductor passes through the receiving portion of all the inverted electrostatic sheets. This allows all the upright electrostatic sheets to be electrically connected to the first conductor, and all the inverted electrostatic sheets to be electrically connected to the second conductor, thus completing the assembly of the electrostatic filter. Compared to traditional welding or bolt tightening, this greatly improves the assembly efficiency of the electrostatic filter and requires no professional personnel. In use, simply connecting the first and second conductors to different electrodes generates an electrostatic field in the filter groove formed between adjacent electrostatic sheets to adsorb impurities. Furthermore, each electrostatic sheet can be individually removed from its corresponding conductor for maintenance and replacement without affecting the connection of other electrostatic sheets, effectively reducing the later maintenance costs of the electrostatic filter. Attached Figure Description

[0017] Figure 1 This is a cross-sectional diagram of the electrostatic sheet in this case, where the grid area is the area covered by the conductive coating.

[0018] Figure 2 This is one of the schematic diagrams when a conductive material is inserted through the electrostatic sheet in this case.

[0019] Figure 3 This is the second schematic diagram of the case where a conductor is inserted through the electrostatic sheet. The solid arrows in the diagram represent the path of the conductor leaving the electrostatic sheet.

[0020] Figure 4 This is one of the schematic diagrams of the electrostatic filter in this case.

[0021] Figure 5 This is the case Figure 4 Enlarged view of point “A”.

[0022] Figure 6 This is the second schematic diagram of the electrostatic filter in this case.

[0023] Figure 7 This is the case Figure 6 Enlarged view of section “B”.

[0024] Figure 8 This is an exploded schematic diagram of the electrostatic filter in this case. Detailed Implementation

[0025] The following embodiments further illustrate the features of this utility model and other related features in detail, so as to facilitate understanding by those skilled in the art: like Figures 1 to 3As shown, an easily assembled electrostatic sheet includes a sheet-shaped main body 1. The surface of the main body 1 is provided with a conductive coating 2. The upper part of the main body 1 is provided with a downwardly extending and front-to-back bending slit 3. The main body 1 has a matching receiving part 11 and a contact part 12 on both sides of the bending slit 3. The receiving part 11 and the contact part 12 are located within the coverage area of ​​the conductive coating 2. The receiving part 11 is C-shaped for a conductor to pass through and hang on the conductor. The contact part 12 is used to avoid the conductor forward or backward when the conductor passes through the receiving part 11 and to overlap the conductor after avoiding it.

[0026] The electrostatic sheet in this case includes a main body 1. The surface of the main body 1 is coated with a conductive coating 2 and has a bending slit 3. On both sides of the bending slit 3, the main body 1 has a matching receiving portion 11 and a contact portion 12. The receiving portion 11 is C-shaped, allowing a conductor to pass through it and also allowing the main body 1 to hang on the conductor. In addition, when the conductor passes through the receiving portion 11, the contact portion 12 bends forward or backward to avoid the conductor and overlaps with the conductor. In this way, the conductive coating 2 on the surface of the contact portion 12 will directly contact the conductor, thereby achieving electrical communication between the conductive coating 2 on the main body 1 and the conductor. Thus, when the conductor is connected to an external electrode, the electrostatic sheet will also have the same polarity to form an electrostatic field. When it is necessary to disassemble the electrostatic sheet, the conductor can be taken out by folding the contact portion 12 and then through the C-shaped opening of the receiving portion 11, thereby quickly separating the electrostatic sheet and the conductor.

[0027] As described above, the electrostatic sheet in this case forms a recessed and protruding receiving portion 11 and a contact portion 12 by setting a bending slit 3 on the main body 1. This eliminates the need for traditional welding and bolt fastening methods. Assembly and electrical connection between the electrostatic sheet and the conductor can be completed simply by hanging the receiving portion 11 on the conductor and overlapping the contact portion 12. This assembly method is simple to operate and takes very little time, significantly reducing assembly time. Furthermore, the electrostatic sheet and the conductor can be independently disassembled and replaced. When the electrostatic sheet malfunctions, it can be replaced separately, significantly reducing maintenance costs.

[0028] like Figures 1 to 3 As shown, preferably, the bending seam 3 includes a separation section 31 extending downward from the upper edge of the main body 1, the lower end of the separation section 31 is connected to a contact section 32 extending downward in a semi-circular shape, and the lower end of the contact section 32 is connected to a bending section 33 extending in the tangential direction.

[0029] As described above, the bending seam 3 in this case includes a separation section 31, a contact section 32, and a bending section 33. The separation section 31 extends downward from the upper edge of the main body 1, providing deformation space for the bending of the contact portion 12 and also providing an opening for the conductor to detach. The lower end of the separation section 31 is connected to the semi-circular contact section 32. The contact section 32 allows the receiving portion 11 to form a C-shaped space for accommodating the conductor to pass through, and the electrostatic sheet can also be hung on the conductor through the C-shaped receiving portion 11. On the other side of the bending seam 3, a contact portion 12 with a shape complementary to that of the receiving portion 11 is formed. When the conductor passes through the receiving portion 11, the contact portion 12 will bend forward or backward accordingly to avoid it, and will naturally overlap with the conductor, allowing the conductive coating 2 to contact the conductor. The lower end of the contact segment 32 is a bent segment 33 that extends horizontally along the tangent direction of the contact segment 32. The bent segment 33 allows the contact portion 12 to have a longer bendable part so that the contact portion 12 can be bent to make room for the conductor.

[0030] like Figures 1 to 3 As shown, preferably, the upper edge of the main body 1 is also provided with a V-shaped alignment notch 4. The lower end of the alignment notch 4 is connected to the upper end of the separation section 31. In this way, the bending seam 3 can be quickly located when assembling the electrostatic sheet and the conductor through the alignment notch 4. During assembly, the conductor only needs to be stuck at the alignment notch 4 and the electrostatic sheet and the conductor are brought closer together. In this way, the conductor will squeeze the contact part 12, forcing the contact part 12 to bend and avoid, so that the conductor can be inserted into the receiving part 11 from top to bottom, thereby further improving the assembly efficiency.

[0031] like Figures 1 to 3 As shown, preferably, the separating segment 31 is inclined toward the center of the contact segment 32. In this way, when the conductor squeezes the contact portion 12 from the alignment notch 4, the inclined separating segment 31 can be guided to bend forward or backward to avoid the conductor squeezing and causing the contact portion 12 to fold downward.

[0032] like Figures 1 to 5 As shown, preferably, the lower part of the main body 1 is also provided with a clearance 5 for avoiding another conductor. In this way, by setting the clearance 5, it can be avoided that when there are two sets of electrostatic sheets arranged in opposite directions in the electrostatic filter, the conductor connected to the other set of electrostatic sheets will come into contact with the electrostatic sheet with different electrodes, causing a short circuit and the failure of the electric field.

[0033] Preferably, the main body 1 is a PET sheet, and the conductive coating 2 is conductive ink fixed on the surface of the main body 1. Thus, compared to traditional electrostatic sheets using metal sheets as the main body, using a PET sheet as the main body 1 in this invention significantly reduces the weight and processing difficulty of the electrostatic sheet, thereby reducing production and transportation costs. Furthermore, the flexibility of the PET sheet itself allows for better adaptation to the folding contact portion 12 structure, preventing damage to the main body 1 when the contact portion 12 is folded. Using conductive ink as the conductive coating 2 eliminates the need for metal plating on the main body 1, further reducing the difficulty of the production process. The conductive ink also bonds well with the PET sheet, effectively ensuring the service life of the electrostatic sheet.

[0034] like Figures 4 to 8 As shown, an electrostatic filter using the above-mentioned electrostatic sheets includes a plurality of parallel electrostatic sheets, half of which are upright (i.e., the bending slit 3 is on top) and the other half are inverted (i.e., the bending slit 3 is on the bottom). The upright and inverted electrostatic sheets are distributed alternately. The electrostatic filter also includes a first conductor 6 and a second conductor 7. The first conductor 6 passes through the receiving portion 11 of all the upright electrostatic sheets to electrically connect all the upright electrostatic sheets. The second conductor 7 passes through the receiving portion 11 of all the inverted electrostatic sheets to electrically connect all the inverted electrostatic sheets. Filter grooves 8 for air to pass through are formed between adjacent electrostatic sheets.

[0035] This electrostatic filter includes electrostatic sheets, a first conductor 6, and a second conductor 7. Half of the electrostatic sheets are upright, and the other half are inverted, with alternating upright and inverted sheets. The first conductor 6 passes through the receiving portion 11 of all upright electrostatic sheets, and the second conductor 7 passes through the receiving portion 11 of all inverted electrostatic sheets. This allows all upright electrostatic sheets to be electrically connected to the first conductor 6, and all inverted electrostatic sheets to be electrically connected to the second conductor 7, thus completing the assembly of the electrostatic filter. Compared to traditional welding or bolt tightening, this significantly improves the assembly efficiency of the electrostatic filter and requires no professional personnel. In use, simply connecting the first conductor 6 and the second conductor 7 to different electrodes generates an electrostatic field in the filter groove 8 formed between adjacent electrostatic sheets to adsorb impurities. Furthermore, each electrostatic sheet can be individually removed from its corresponding conductor for maintenance and replacement without affecting the connection of other electrostatic sheets, effectively reducing the later maintenance costs of the electrostatic filter.

[0036] like Figures 4 to 8As shown, preferably, the electrostatic filter further includes a plurality of limiting strips 9 fixedly distributed vertically on the side of the electrostatic sheet. The limiting strips 9 are used to fix the relative position of each electrostatic sheet. In this way, by setting the limiting strips 9 vertically distributed on the side of the electrostatic sheet, the displacement of the electrostatic sheet due to external factors such as vibration and airflow during use or transportation can be avoided, ensuring that the width of the filter groove 8 can remain uniform for a long time, making the generated electrostatic field more stable, thereby improving the stability of the overall structure and performance of the electrostatic filter.

[0037] like Figures 4 to 8 As shown, preferably, the limiting strip 9 is provided with a plurality of positioning grooves 91. The positioning grooves 91 are used for inserting the edges of the electrostatic sheets into them. In this way, by setting the positioning grooves 91 on the limiting strip 9 and allowing the edges of each electrostatic sheet to be inserted into the corresponding positioning grooves 91, the loosening or displacement of the electrostatic sheets can be further prevented. At the same time, it can also ensure that the spacing between the electrostatic sheets is uniform, that is, ensure that the size of all filter tanks 8 is consistent, and avoid the influence of different electric field strengths due to inconsistent filter tank 8 sizes, which would affect the adsorption effect. Moreover, controlling the spacing of the electrostatic sheets by using the positioning grooves 91 can greatly reduce the difficulty of aligning multiple electrostatic sheets. The operator only needs to insert the edge of the electrostatic sheet into the positioning groove 91 to complete the positioning, without the need for calibration of each sheet individually, which can further improve the assembly efficiency.

[0038] As stated above, this case protects an electrostatic sheet that is easy to assemble and an electrostatic filter that uses it. All technical solutions that are the same as or similar to this case should be considered to fall within the protection scope of this case.

Claims

1. An electrostatic sheet that is easy to assemble, characterized in that... The body includes a sheet-shaped main body (1), the surface of which is provided with a conductive coating (2). The upper part of the main body (1) is provided with a downwardly extending bending seam (3) that runs through the main body (1). The main body (1) forms a matching receiving part (11) and a contact part (12) on both sides of the bending seam (3). The receiving part (11) and the contact part (12) are located within the coverage area of ​​the conductive coating (2). The receiving part (11) is C-shaped and is used to allow a conductor to pass through it and hang on the conductor. The contact part (12) is used to avoid the conductor forward or backward when the conductor passes through the receiving part (11) and overlap the conductor after avoiding it.

2. The electrostatic sheet for easy assembly according to claim 1, characterized in that... The bending seam (3) includes a separation section (31) extending downward from the upper edge of the main body (1), and a contact section (32) extending downward in a semi-circular shape is connected to the lower end of the separation section (31), and a bending section (33) extending along the tangential direction is connected to the lower end of the contact section (32).

3. The electrostatic sheet for easy assembly according to claim 2, characterized in that... The upper edge of the main body (1) is also provided with a V-shaped alignment notch (4), and the lower end of the alignment notch (4) is connected to the upper end of the separation section (31).

4. The electrostatic sheet for easy assembly according to claim 3, characterized in that... The separation section (31) is inclined toward the center of the contact section (32).

5. The electrostatic sheet for easy assembly according to claim 1, characterized in that... The lower part of the main body (1) is also provided with a clearance opening (5) for avoiding another conductor.

6. An easily assembled electrostatic sheet according to any one of claims 1 to 5, characterized in that... The main body (1) is a PET sheet, and the conductive coating (2) is conductive ink fixed on the surface of the main body (1).

7. An electrostatic filter using the electrostatic sheet according to any one of claims 1 to 6, characterized in that... The filter includes several parallel electrostatic sheets, half of which are upright (i.e., with the bend (3) on top) and the other half are inverted (i.e., with the bend (3) on the bottom). The upright and inverted electrostatic sheets are distributed alternately. The electrostatic filter also includes a first conductor (6) and a second conductor (7). The first conductor (6) passes through the receiving portion (11) of all the upright electrostatic sheets to facilitate electrical connection of all the upright electrostatic sheets. The second conductor (7) passes through the receiving portion (11) of all the inverted electrostatic sheets to facilitate electrical connection of all the inverted electrostatic sheets. A filter groove (8) is formed between adjacent electrostatic sheets for air to pass through.

8. An electrostatic filter according to claim 7, characterized in that... It also includes several limiting strips (9) fixedly distributed on the side of the electrostatic sheet, the limiting strips (9) being used to fix the relative position of each electrostatic sheet.

9. An electrostatic filter according to claim 8, characterized in that... The limiting strip (9) is provided with a plurality of positioning grooves (91), which are used for inserting the edge of the electrostatic sheet.

Images