An electrostatic dust collection device

By setting up a cleaning device and a driving mechanism in the electrostatic dust collecting device, the problem of difficulty in disassembling and cleaning of the electrostatic dust collecting plate after adsorbing too much dust is solved, and the dust collecting parts are easily cleaned and efficiently adsorbed, reducing secondary pollution and extending the service life.

CN113617530BActive Publication Date: 2025-07-22ZHEJIANG SCI-TECH UNIV
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Patent Information

Application Number
CN202110928616.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-08-13
Publication Date
2025-07-22
Estimated Expiration
2041-08-13

AI Technical Summary

Technical Problem

After the electrostatic dust collecting plate is absorbed with too much dust, it is difficult to disassemble and clean, the adsorption efficiency is reduced and it is easy to cause secondary pollution.

Method used

An electrostatic dust collecting device is designed, including a shell, a charge generation device, a dust collecting part and a cleaning device. The dust collecting part is directly cleaned by setting up a cleaning device, and the driving mechanism is used to drive the dust collecting part to facilitate cleaning and maintenance.

Benefits of technology

It improves the adsorption efficiency of the dust collecting device, reduces secondary pollution, and extends the use cycle of the dust collecting parts.

✦ Generated by Eureka AI based on patent content.

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Abstract

This application belongs to the technical field of dust collection devices, and specifically relates to an electrostatic dust collection device, which includes a housing, a charge generation device, a dust collection member, and a cleaning device. Among them, the housing encloses a cavity with openings at both ends, one of the opening ends is the air inlet, and the other opening end is the air outlet; the charge generation device is used to generate charges, and among them, the charge region is arranged inside the cavity and near the air inlet end; the dust collection member is arranged between the charge region and the air outlet, and is used to collect the dust adsorbed by the charge region; the cleaning device is used to clean the dust collection member. The electrostatic dust collection device of this application has the advantages that the dust collection member is easy to clean, can improve the adsorption efficiency of the dust collection device, reduce secondary pollution, and extend the service life of the dust collection member.
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Description

Technical Field

[0001] This application belongs to the technical field of dust collection devices, and particularly relates to an electrostatic dust collection device. Background Art

[0002] Electrostatic dust collection technology is widely used in air purifiers due to its lack of consumables and high efficiency. Its principle is to charge dust through a charging area and adsorb it on an electrostatic dust collection plate when passing through the dust collection area, enabling the adsorption of tiny dust particles. However, after the electrostatic dust collection plate adsorbs too much dust, the voltage on it will decrease, greatly reducing its adsorption efficiency, and it will also cause secondary pollution. Moreover, the electrostatic dust collection plate is difficult to disassemble and clean. Summary of the Invention

[0003] The main problem to be solved in this application is that after the electrostatic dust collection plate adsorbs too much dust, it is difficult to disassemble and clean the electrostatic dust collection plate, the adsorption efficiency is greatly reduced, and secondary pollution will also be caused. Therefore, an electrostatic dust collection device is provided, which can improve self-cleaning, make cleaning convenient, improve adsorption efficiency, and reduce secondary pollution.

[0004] To solve the above technical problems, a technical solution adopted in this application is: an electrostatic dust collection device, including a housing, a charge generation device, a dust collection member, and a cleaning device. Among them, the housing encloses a cavity with two open ends, one of the open ends is an air inlet, and the other open end is an air outlet; the charge generation device is used to form a charge, and among them, the charging area is arranged in the cavity and close to the air inlet end; the dust collection member is arranged between the charging area and the air outlet, and is used to collect the dust adsorbed by the charging area; the cleaning device is used to clean the dust collection member.

[0005] Among them, the housing includes a first sub-housing, a second sub-housing, and a third sub-housing. Among them, the first sub-housing encloses a first sub-cavity with an air inlet, and the first sub-housing has a first through-hole corresponding to the air inlet; the second sub-housing encloses a second sub-cavity, and the second sub-housing includes a second through-hole, a third through-hole, and a fourth through-hole. The second through-hole and the third through-hole are located on opposite sides of the second sub-housing, and the second through-hole is fixedly connected to the first through-hole, so that the first sub-cavity is communicated with the second sub-cavity; the fourth through-hole is used to communicate with the cleaning device, and the second sub-cavity is used to accommodate at least part of the dust collection member; the third sub-housing encloses a third sub-cavity, and the air outlet is arranged at one end of the third sub-housing. One end of the third sub-housing away from the air outlet is connected to the third through-hole, and the third sub-cavity is connected to the second sub-cavity.

[0006] Among them, the third sub-cavity is rotatably connected to the second sub-cavity; a fixing member is arranged on the inner side wall of the third sub-housing, and the fixing member is used to fix one end of the dust collection member. The dust collection member extends into the second sub-cavity, so that the third sub-housing rotates to drive the dust collection member to rotate in the second sub-cavity.

[0007] Among them, the electrostatic dust collection device further includes a driving mechanism for driving the third sub-housing to rotate.

[0008] Among them, a toothed structure is circumferentially provided on the outer side wall of the third sub-housing, a gear is provided at the driving end of the driving mechanism, the toothed structure meshes with the gear, and the driving mechanism drives the gear to rotate to drive the third sub-housing to rotate, thereby driving the dust collection member to rotate.

[0009] Among them, the charge generation device includes a corona electrode distributed on the inner side wall of the first sub-housing and close to one end of the first through-port, and the corona electrode is powered by a power supply.

[0010] Among them, the housing further includes a fourth sub-housing disposed between the corona electrode and the inner side wall of the first sub-housing for fixing the corona electrode, and the fourth sub-housing is fixed to the inner side wall of the first sub-housing.

[0011] Among them, the dust collection member includes a plurality of dust collection sheets arranged in parallel, and one end of the plurality of dust collection sheets arranged in parallel is fixedly connected to the third sub-housing.

[0012] Among them, the electrostatic dust collection device further includes a water accumulation tank, and a communication port is provided on the second sub-housing, and the communication port communicates the second sub-cavity with the water collection tank.

[0013] Preferably, the communication port is provided at one end of the second sub-housing away from the fourth through-port.

[0014] Among them, the cleaning device includes a cleaning fixing member and a high-pressure spray head. The cleaning fixing member is used to fix the high-pressure spray head, and the cleaning fixing member is provided on the fourth through-port of the second sub-housing.

[0015] Preferably, the cleaning fixing member includes a groove body, and a plurality of through holes are provided at the bottom of the groove body for fixing the high-pressure spray head.

[0016] Beneficial effects:

[0017] For the electrostatic dust collection device of the embodiment of the present application, by providing a cleaning device, the dust collection member can be directly cleaned, and the situation of reduced adsorption efficiency of the dust collection member caused by the accumulation of a large amount of dust on the dust collection member due to the difficulty of disassembling the dust collection member can be avoided. The dust collection member of the electrostatic dust collection device of the embodiment of the present application is easy to clean, can improve the adsorption efficiency of the dust collection device, reduce secondary pollution, and extend the service life of the dust collection member. Description of the Drawings

[0018] Figure 1 is a structural diagram of an embodiment of the electrostatic dust collection device of the present application;

[0019] Figure 2 is Figure 1 a structural schematic diagram of a state at an angle of

[0020] Figure 3 It is a schematic structural diagram of the cleaning state of the electrostatic dust collection device of the present application;

[0021] Figure 4 Figure 1 Schematic side view structure diagram;

[0022] Figure 5 It is a schematic structural diagram of the cleaning fixing part in the embodiment of the present application;

[0023] Figure 6 is Figure 5 Schematic diagram of an angle of

[0024] Figure 7 It is a schematic exploded structure diagram of the electrostatic dust collection device of the present application.

[0025] Among them, 100, housing; 102, air inlet; 103, air outlet; 110, first sub-housing; 111, first sub-cavity; 120, second sub-housing; 121, second sub-cavity; 124, fourth through port; 125, communication port; 130, third sub-housing; 131, third sub-cavity; 132, tooth-shaped structure; 140, fourth sub-housing; 200, charge generation device; 210, charge region; 220, corona electrode; 300, dust collection part; 310, dust collection sheet; 400, cleaning device; 410, cleaning fixing part; 411, tank body; 412, through hole; 600, driving mechanism; 610, gear; 700, water accumulation tank; 720, bracket. Detailed implementation manners

[0026] As Figures 1-7 shown, the embodiment of the present application provides an electrostatic dust collection device, including a housing 100, a charge generation device 200, a dust collection part 300 and a cleaning device 400. Among them, the housing 100 encloses a cavity with both ends open (not marked in the figure), one of the open ends is the air inlet 102, and the other open end is the air outlet 103; the charge generation device 200 is used to form charges, and among them, the charge region 210 is arranged in the cavity and close to one end of the air inlet 102; the dust collection part 300 is arranged between the charge region 210 and the air outlet 103 and is used to collect the dust adsorbed by the charge region 210; the cleaning device 400 is used to clean the dust collection part 300.

[0027] The above is the core content of the embodiment of the present application. For the electrostatic dust collection device of the embodiment of the present application, by setting the cleaning device 400, the dust collection part 300 can be directly cleaned, and the situation that the adsorption efficiency of the dust collection part 300 is reduced due to the accumulation of a large amount of dust on the dust collection part 300 caused by the difficult disassembly of the dust collection part 300 can be avoided. The dust collection part 300 of the electrostatic dust collection device of the embodiment of the present application is easy to clean, can improve the adsorption efficiency of the dust collection device, and reduce secondary pollution.

[0028] In the embodiment of the present application, the housing 100 includes a first sub-housing 110, a second sub-housing 120, and a third sub-housing 130. Among them, the first sub-housing 110 encloses a first sub-cavity 111 with an air inlet 102, and the first sub-housing 110 has a first through-hole (not labeled in the figure) corresponding to the air inlet 102; the second sub-housing 120 encloses a second sub-cavity 121, and the second sub-housing 120 includes a second through-hole (not labeled in the figure), a third through-hole (not labeled in the figure), and a fourth through-hole 124. The second through-hole and the third through-hole are located on opposite sides of the second sub-housing 120, and the second through-hole is fixedly connected to the first through-hole, so that the first sub-cavity 111 communicates with the second sub-cavity 121; the fourth through-hole 124 is used to communicate with the cleaning device 400, and the second sub-cavity 121 is used to accommodate at least part of the dust collection member 300; the third sub-housing 130 encloses a third sub-cavity 131, and the air outlet 103 is provided at one end of the third sub-housing 130. One end of the third sub-housing 130 away from the air outlet 103 is connected to the third through-hole, and the third sub-cavity 131 is connected to the second sub-cavity 121. In the embodiment of the present application, by setting the housing 100 into three sub-housings, it is convenient to install and form an electrostatic dust collection device. In the embodiment of the present application, by setting the housing 100 into three sub-housings, it is convenient to adjust the relative positional relationship of the three sub-housings.

[0029] In the embodiment of the present application, the third sub-cavity 131 is rotatably connected to the second sub-cavity 121; a fixing member is provided on the inner side wall of the third sub-housing 130, and the fixing member is used to fix one end of the dust collection member 300. The dust collection member 300 extends into the second sub-cavity 121, so that the third sub-housing 130 rotates to drive the dust collection member 300 to rotate in the second sub-cavity 121. In the embodiment of the present application, by rotatably connecting the third sub-cavity 131 to the second sub-cavity 121, the third sub-housing 130 is rotatably connected to the second sub-housing 120; by providing a fixing member on the inner side wall of the third sub-housing 130, the dust collection member 300 can be fixed to the inner side wall of the third sub-housing 130. Through the relative rotation of the third sub-housing 130 and the second sub-housing 120, the angle of the dust collection member 300 in the second sub-cavity 121 is changed, so as to facilitate the dust collection and cleaning of the dust collection member 300.

[0030] In the embodiment of the present application, the dust collection member 300 includes a plurality of dust collection sheets 310 arranged in parallel, and one end of the plurality of dust collection sheets 310 arranged in parallel is fixedly connected to the third sub-housing 130. In the embodiment of the present application, the fixing member is a dust collection sheet fixing groove 320. By providing a dust collection sheet fixing groove 320 on the third sub-housing 130, it is convenient to fix the dust collection sheet 310 to the third sub-housing 130 through the dust collection sheet fixing groove 320.

[0031] In the embodiments of the present application, the electrostatic dust collection device further includes a driving mechanism 600 for driving the third sub-housing 130 to rotate. In the embodiments of the present application, by providing the driving mechanism 600, the driving mechanism 600 drives the third sub-housing 130 to rotate to drive the dust collection sheet 310 to rotate. In other embodiments, the driving mechanism 600 may not be provided, and the third sub-housing 130 is driven to rotate manually. In the embodiments of the present application, during the use of the electrostatic dust collection device, the dust collection sheet 310 is parallel to the horizontal plane, resulting in better dust collection effect; when there is more dust accumulated on the dust collection sheet 310, the third sub-housing 130 is rotated, so that the third sub-housing 130 drives the dust collection sheet 310 to rotate, as Figure 3 shown, it can be rotated so that the dust collection sheet 310 is perpendicular to the horizontal plane, or the dust collection sheet 310 forms a certain acute angle with the horizontal plane, so that when the cleaning device 400 cleans the dust collection sheet 130, the water flow can flow out along the dust collection sheet 130.

[0032] In the embodiments of the present application, a toothed structure 132 is provided on the outer circumferential wall of the third sub-housing 130, and a gear 610 is provided at the driving end of the driving mechanism 600. The toothed structure 132 meshes with the gear 610, and the driving mechanism 600 drives the gear 610 to rotate to drive the third sub-housing 130 to rotate, and then drives the dust collection member 300 to rotate. In the embodiments of the present application, the driving mechanism 600 may be a motor. By providing the toothed structure 132 on the outer circumferential wall of the third sub-housing 130, the driving end of the driving mechanism 600 is easily combined with the third sub-housing 130, improving the combination method of the driving mechanism 600 and the third sub-housing 130, so that the dust collection member 300 can be driven to rotate by the rotation of the third sub-housing 130, improving the dust collection effect.

[0033] In the embodiments of the present application, the charge generation device 200 includes a corona electrode 220, which is distributed on the inner side wall of the first sub-housing 110 and close to one end of the first through-port. The corona electrode 220 is powered by a power supply. By providing the corona electrode 220, the corona electrode 220 can generate charges, and the charges can adsorb dust. In the embodiments of the present application, the corona electrodes 220 can be evenly distributed in the inner side wall of the first sub-housing 110, so that the charge generation in the first sub-housing 110 is uniform. In the embodiments of the present application, the power supply is fixed through a power supply slot 240; in the embodiments of the present application, one end of the power supply slot 240 is provided on the first sub-housing 110 and penetrates the housing wall of the first sub-housing 110.

[0034] In the embodiment of the present application, the housing 100 further includes a fourth sub-housing 140. The fourth sub-housing 140 is disposed between the corona electrode 220 and the inner sidewall of the first sub-housing 110 and is used to fix the corona electrode 220. The fourth sub-housing 140 is fixed to the inner sidewall of the first sub-housing 110. In the embodiment of the present application, by providing the fourth sub-housing 140, the fourth sub-housing 140 can fix the corona electrode 220, and all the corona electrodes 220 can be directly fixed to the inner sidewall of the first sub-housing 110 through the fourth sub-housing 140, which facilitates the detachable installation of the corona electrode 220 and the first sub-housing 110 and is convenient for later maintenance and replacement. In the embodiment of the present application, it further includes a corona electrode slot 230 which is disposed on the fourth sub-housing 140 and is used to fix the corona electrode 220.

[0035] In the embodiment of the present application, the material of the fourth sub-housing 140 can be plastic.

[0036] In the embodiment of the present application, the electrostatic dust collection device further includes a water accumulation tank 700. A communication port 125 is provided on the second sub-housing 120, and the communication port 125 communicates the second sub-chamber 121 with the water collection tank 700. In the embodiment of the present application, sockets 710 are further provided at the bottoms of the first sub-housing 110 and the second sub-housing 120 to facilitate the sliding insertion of the water accumulation tank 700 into the sockets 710. In the embodiment of the present application, by providing the water accumulation tank 700, the sewage generated by cleaning the dust collection sheet 310 by the cleaning device 400 can flow to the water accumulation tank 700, which is convenient for collecting sewage and discharging the sewage.

[0037] As Figure 7 shown, in the embodiment of the present application, both ends of the bottom of the water accumulation tank 700 are provided with a structure having a certain inclination gradient to facilitate the water accumulation tank 700 to collect sewage and facilitate the sewage to be led out from the water accumulation tank 700.

[0038] In the embodiment of the present application, the communication port 125 is provided at one end of the second sub-housing 120 away from the fourth port 124 to facilitate the cleaning device 400 to flow the cleaning sewage into the water collection tank 700 through the communication port 125.

[0039] In the embodiment of the present application, the cleaning device 400 includes a cleaning fixing member 410 and a high-pressure nozzle (not shown in the figure). The cleaning fixing member 410 is used to fix the high-pressure nozzle, and the cleaning fixing member 410 is disposed on the fourth port 124 of the second sub-housing 120. As Figure 4 and Figure 5As shown, the cleaning fixing member 410 is disposed on the fourth through port 124 of the second sub-housing 120. Specifically, the cleaning fixing member 410 includes a trough body 411, and a plurality of through holes 412 are provided at the bottom of the trough body 411. The through holes 412 are used to fix the high-pressure nozzles so that the high-pressure nozzles are evenly distributed. In the embodiment of the present application, by providing the trough body 411 in the cleaning fixing member 410, the water seeping out of the high-pressure nozzles can also be collected in the trough body 411, improving the accuracy of the cleaning position of the cleaning device 400. In the embodiment of the present application, the trough body 411 of the cleaning fixing member 410 is clamped on the fourth through port 124 of the second sub-housing 120. In the embodiment of the present application, by providing a plurality of through holes 412, the high-pressure nozzles can be fixed; specifically, in the embodiment of the present application, the through holes 412 are arranged in an array, so that the high-pressure nozzles are arranged in an array on the top of the second sub-housing 120, facilitating the water in the high-pressure nozzles to flow through the fourth through port 124 into the inside of the second sub-housing 120 and cleaning the dust collecting sheet 310.

[0040] In the embodiment of the present application, the shape of the through hole 412 is circular. In other embodiments, the shape of the through hole 412 can also be other shapes.

[0041] In the embodiment of the present application, brackets 710 are provided at the bottom ends of the outer walls of the first sub-housing 110 and the second sub-housing 120 to facilitate the support of the housing 100 and at the same time facilitate the placement of the water collecting trough 700.

[0042] In the embodiment of the present application, the cross-sectional structure of the second sub-housing 120 includes a semi-circular structure and a rectangular structure. The semi-circular structure is located below, and the rectangular structure is located above. The semi-circular structure is connected to the rectangular structure. By providing the rectangular structure, it is convenient to fix the cleaning fixing member 410. During use, the flat plate body of the dust collecting sheet 310 faces the high-pressure nozzles of the cleaning device 400; when cleaning is required, an external micro water pump transports clean water to the high-pressure nozzles, and the clean water is sprayed from top to bottom and sprinkled on the dust collecting sheet 310; the third sub-housing 130 is driven to rotate by the driving mechanism 600 so that the dust collecting sheet 310 rotates and the sewage flows down; the driving mechanism 600 drives the third sub-housing 130 to perform a rotational sudden stop action, that is, to rotate a certain angle quickly and then stop, and repeat this step to fully remove the dust on the dust collecting sheet 310. After this stage is completed, the high-pressure nozzles rinse the dust collecting sheet 310 again. The sewage after cleaning will flow through the sewage trough to an external sewage tank (not shown in the figure) or directly flow out, that is, a self-cleaning is completed.

[0043] The above are only the embodiments of the present application, and do not limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present application, or directly or indirectly applied in other related technical fields, shall be equally included in the patent protection scope of the present application.

Claims

1. An electrostatic dust collection device, characterized in that, Comprising: A housing which encloses a cavity with two open ends, one of the open ends being the air inlet and the other being the air outlet; A charge generation device for forming charges, wherein the charge generation area is arranged inside the cavity and close to the air inlet end; A dust collection member arranged between the charge generation area and the air outlet for collecting the dust adsorbed in the charge generation area; A cleaning device for cleaning the dust collection member; The housing includes: A first sub-housing which encloses a first sub-cavity with an air inlet, and the first sub-housing has a first through-hole arranged corresponding to the air inlet; A second sub-housing which encloses a second sub-cavity. The second sub-housing includes a second through-hole, a third through-hole and a fourth through-hole. The second through-hole and the third through-hole are located on two opposite sides of the second sub-housing, and the second through-hole is fixedly connected to the first through-hole so that the first sub-cavity communicates with the second sub-cavity. The fourth through-hole is used to communicate with the cleaning device, and the second sub-cavity is used to accommodate at least part of the dust collection member; A third sub-housing which encloses a third sub-cavity. The air outlet is arranged at one end of the third sub-housing. One end of the third sub-housing far from the air outlet is connected to the third through-hole, and the third sub-cavity is connected to the second sub-cavity. The dust collection member includes a plurality of parallel dust collection sheets, and one ends of the plurality of parallel dust collection sheets are fixedly connected to the third sub-housing; The third sub-housing is rotatably connected to the second sub-housing; Fixing members are arranged on the inner side wall of the third sub-housing for fixing one end of the dust collection member. The dust collection member extends into the second sub-cavity so that the third sub-housing rotates to drive the dust collection member to rotate in the second sub-cavity; Including a driving mechanism for driving the third sub-housing to rotate; A toothed structure is arranged circumferentially on the outer side wall of the third sub-housing, and a gear is arranged at the driving end of the driving mechanism. The toothed structure meshes with the gear, and the driving mechanism drives the gear to rotate to drive the third sub-housing to rotate, and then drives the dust collection member to rotate.

2. The electrostatic dust collection device according to claim 1, wherein The charge generation device includes: A corona electrode which is distributed on the inner side wall of the first sub-housing and close to one end of the first through-hole, and the corona electrode is powered by a power supply.

3. The electrostatic dust collection device according to claim 2, characterized in that, The housing further includes a fourth sub-housing which is arranged between the corona electrode and the inner side wall of the first sub-housing for fixing the corona electrode, and the fourth sub-housing is fixed to the inner side wall of the first sub-housing.

4. The electrostatic dust collection device according to claim 1, wherein Also included is a water sump, and a communication port is arranged on the second sub-housing to communicate the second sub-cavity with the water sump.

5. The electrostatic dust collection device according to claim 4, wherein The communication port is arranged at one end of the second sub-housing far from the fourth through-hole.

6. The electrostatic dust collection device according to claim 1, wherein The cleaning device includes a cleaning fixing member and a high-pressure nozzle. The cleaning fixing member is used for fixing the high-pressure nozzle, and the cleaning fixing member is arranged on the fourth through-hole of the second sub-housing.

7. The electrostatic dust collection device according to claim 6, wherein The cleaning fixture includes a tank body, and a plurality of through holes are arranged at the bottom of the tank body, and the through holes are used to fix the high-pressure spray head.

Citation Information

Patent Citations

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