CN219252906U - Electrostatic dust collector - Google Patents

Abstract

The utility model discloses an electrostatic precipitator, comprising: a first housing and a second housing; the first shell is provided with an air inlet, and the second shell is provided with an air outlet; forming a containing cavity in the first shell and the second shell, wherein an electrostatic field generating device is contained in the containing cavity; the first shell is also fixedly provided with a first metal elastic sheet and a second metal elastic sheet; a third metal elastic sheet is fixedly arranged on the second shell; the first metal elastic sheet, the second metal elastic sheet and the third metal elastic sheet are all abutted against the electrostatic field generating device; the electrostatic field generating device is electrically connected with the shell through the elastic sheet, so that people can conveniently detach and clean the internal electrostatic field generating device from the shell, the air filtering device has good reusability, and resource waste caused by using a large amount of disposable products is avoided.

Description

Electrostatic dust collector

Technical Field

The utility model relates to the technical field of air filtration, in particular to an electrostatic dust collector.

Background

In the prior art, an air purifier is usually required to be used for dedusting and filtering blown air at an air outlet part of a ventilation system, but in the prior art, a filter device is usually a device such as filter paper and a filter element, so that dust in the air is filtered after the air passes through the filter paper, and articles such as the filter paper and the filter element used in the filtering mode are disposable consumables, a large amount of dust can be accumulated on the articles after long-term use, the articles cannot be reused, periodic replacement is required, resource waste is caused, and even the articles are cleaned, the filtering effect of the filter paper is also influenced.

Disclosure of Invention

The utility model aims to disclose an electrostatic precipitator, which solves the problem that filter paper and a filter element of the existing filter cannot be reused.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an electrostatic precipitator, comprising: a first housing and a second housing; the first shell is detachably connected with the second shell; the first shell is provided with an air inlet, and the second shell is provided with an air outlet; forming a containing cavity in the first shell and the second shell, wherein an electrostatic field generating device is contained in the containing cavity; the first shell is also fixedly provided with a first metal elastic sheet and a second metal elastic sheet; a third metal spring plate for grounding is fixedly arranged on the second shell; the first metal elastic sheet, the second metal elastic sheet and the third metal elastic sheet are all abutted against the electrostatic field generating device.

Optionally, the electrostatic field generating device includes: the device comprises a supporting frame, an ionization assembly, a first dust removing assembly, a second dust removing assembly and a circuit board; the circuit board is fixed at the top of the supporting frame, and a first metal contact and a second metal contact are arranged on the top surface of the circuit board; the first metal contact is abutted with the first metal elastic sheet; the second metal contact is abutted with the second metal elastic sheet; the ionization component is fixedly connected with the supporting frame and is also electrically connected with the first metal contact; the first dust removing assembly and the second dust removing assembly are fixedly connected with the supporting frame, and the first dust removing assembly is electrically connected with the second metal contact; the second dust removing assembly is grounded.

Optionally, the support frame includes: the first side plate, the second side plate, a plurality of connecting beams, a fourth metal elastic sheet and fixing screws; one end of each of the connecting beams is fixedly connected with the first side plate, and the other end of each of the connecting beams is fixedly connected with the second side plate; the fixing screw penetrates through the fourth metal elastic sheet and the first side plate and then is fixedly connected with the second dust removing assembly; the fourth metal elastic sheet is also abutted against the third metal elastic sheet.

Optionally, the ionization assembly includes: the device comprises a first insulating fixing seat, a second insulating fixing seat, a third insulating fixing seat, a fourth insulating fixing seat, a first fixing column, a second fixing column and a plurality of wires; the first insulating fixing seat and the third insulating fixing seat are fixedly arranged on the first side plate, and the second insulating fixing seat and the fourth insulating fixing seat are fixedly arranged on the second side plate; two ends of the first fixing column are respectively inserted into the first insulating fixing seat and the second insulating fixing seat; two ends of the second fixing column are respectively inserted into the third insulating fixing seat and the fourth insulating fixing seat; one end of each of the plurality of wires is fixedly connected with the first fixing column, and the other end of each of the plurality of wires is fixedly connected with the second fixing column; the first fixed column is also electrically connected with the first metal contact.

Optionally, the first dust removal assembly includes: the dust collector comprises a plurality of first dust collecting plates, at least one third fixing column, at least one fifth insulating fixing seat and at least one sixth insulating fixing seat; the fifth insulating fixing seat is fixed on the first side plate, the sixth insulating fixing seat is fixed on the second side plate, and two ends of the third fixing column are respectively inserted into the fifth insulating fixing seat and the sixth insulating fixing seat; and the first dust removal plates are fixedly connected with third fixing columns, and the third fixing columns are also electrically connected with the second metal contacts.

Optionally, the second dust removal assembly includes: a fourth fixed column and a plurality of second dust removal plates; two ends of the fourth fixed column are fixedly connected with the first side plate and the second side plate respectively, and a plurality of second dust removal plates are fixedly connected with the fourth fixed column; the fixing screw sequentially penetrates through the fourth metal elastic sheet and the first side plate and then is in threaded connection with the fourth fixing column.

Optionally, the edges of the air inlet and the air outlet are respectively provided with screw holes for connecting with the ventilation pipe.

Optionally, the portable electronic device further comprises a third shell, wherein two sides of the third shell are respectively connected with the side face of the first shell and the side face of the second shell through screws.

Optionally, the method further comprises: the spoilers are fixedly connected with the electrostatic field generating device.

Compared with the prior art, the utility model has the beneficial effects that:

the present utility model provides an electrostatic precipitator, comprising: a first housing and a second housing; the first shell is provided with an air inlet, and the second shell is provided with an air outlet; forming a containing cavity in the first shell and the second shell, wherein an electrostatic field generating device is contained in the containing cavity; the first shell is also fixedly provided with a first metal elastic sheet and a second metal elastic sheet; a third metal elastic sheet is fixedly arranged on the second shell; the first metal elastic sheet, the second metal elastic sheet and the third metal elastic sheet are all abutted against the electrostatic field generating device; according to the utility model, the electrostatic field generating device is correspondingly arranged in the shell, so that dust particles in air passing through the filtering device can generate ionization charges in the electrostatic field, and are deflected in a movement way under the action of the electrostatic field, and are attracted by the electrode plates in the electrostatic field generating device, so that dust filtration is realized.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort to a person skilled in the art.

FIG. 1 is a schematic perspective view of an electrostatic precipitator of the present utility model;

FIG. 2 is a schematic view of the internal structure of the third housing;

FIG. 3 is an exploded schematic view of the internal structure of the present utility model;

FIG. 4 is an exploded view from another perspective;

fig. 5 is a schematic perspective view of an electrostatic field generating device;

FIG. 6 is an exploded schematic view of an electrostatic field generating device;

FIG. 7 is an exploded view of an electrostatic field generating device at another view angle;

in the figure, 1, a first shell; 11. an air inlet; 12. a first metal spring plate; 13. a second metal spring plate; 2. a second housing; 21. an air outlet; 22. a third metal spring; 4. a screw hole; 3. an electrostatic field generating device; 31. a support frame; 311. a first side plate; 312. a second side plate; 313. a connecting beam; 314. a fourth metal spring; 315. a set screw; 32. an ionization assembly; 321. a first insulating holder; 322. the second insulating fixing seat; 323. a third insulating holder; 324. a fourth insulating holder; 325. a first fixing column; 326. a second fixing column; 327. a wire; 33. a first dust removal assembly; 331. a first dust removal plate; 332. a third fixing column; 333. a fifth insulating holder; 334. a sixth insulating holder; 34. a second dust removal assembly; 341. a fourth fixing column; 342. a second dust removing plate; 35. a circuit board; 351. a first metal contact; 352. a second metal contact; 36. a spoiler; 5. and a third housing.

Detailed Description

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances. The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature. The terms "vertical," "horizontal," "left," "right," "up," "down," and the like are used for descriptive purposes only and are not to indicate or imply that the devices or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Example 1

An electrostatic precipitator as illustrated in fig. 1-7, comprising: a first housing 1 and a second housing 2; the first shell 1 is detachably connected with the second shell 2; the first shell 1 is provided with an air inlet 11, and the second shell 2 is provided with an air outlet 21; forming a cavity inside the first shell 1 and the second shell 2, wherein an electrostatic field generating device 3 is accommodated in the cavity; the first shell 1 is also fixedly provided with a first metal elastic sheet 12 and a second metal elastic sheet 13; a third metal spring piece 22 for grounding is fixedly arranged on the second shell 2; the first metal spring piece 12, the second metal spring piece 13 and the third metal spring piece 22 are all abutted against the electrostatic field generating device 3.

Specifically, in the conventional air filter using filter paper as a filter material, the filter paper needs to be replaced at regular time, and the reduction of the ventilation effect of the filter paper caused by dust accumulation on the filter paper is avoided. The application provides an electrostatic precipitator through set up electrostatic field generating device 3 inside the shell, can adsorb the dust particle in the air current and filter, when dust on electrostatic field generating device 3 exceeds a certain quantity or the live time exceeds predetermined time, can separate electrostatic field generating device 3 from the shell and wash. In this application, the first metal spring piece 12 and the second metal spring piece 13 are respectively used for connecting the positive electrode and the negative electrode, and the third metal spring piece 22 is used for grounding. The electrostatic field generating device 3 is abutted with the shell through the metal sheet to realize conduction, and in the process of detaching and cleaning, the electrostatic field generating device 3 inside is not provided with active devices, so that damage to electric devices in the cleaning process can be avoided.

Further, the electrostatic field generating device 3 includes: a support frame 31, an ionization assembly 32, a first dust removing assembly 33, a second dust removing assembly 34, and a circuit board 35; the circuit board 35 is fixed on the top of the supporting frame 31, and a first metal contact 351 and a second metal contact 352 are arranged on the top surface of the circuit board 35; the first metal contact 351 is abutted against the first metal spring piece 12; the second metal contact 352 is abutted against the second metal spring 13; the ionization component 32 is fixedly connected with the supporting frame 31, and the ionization component 32 is also electrically connected with the first metal contact 351; the first dust removing component 33 and the second dust removing component 34 are fixedly connected with the supporting frame 31, and the first dust removing component 33 is electrically connected with the second metal contact 352; the second dust removal assembly 34 is grounded.

Specifically, the ionization component 32 is disposed near the air inlet, and is used for ionizing dust particles in the input air, the first metal contact 351 on the circuit board 35 is used for connecting with a negative electrode of high-voltage direct current, so that the dust particles in the air carry negative charges, the first dust removing component 33 is used for connecting with a positive electrode of high-voltage direct current, and the second dust removing component 34 is grounded, so that an electrostatic field is generated between the first dust removing component 33 and the second dust removing component 34, and the particles with negative charges deflect under the action of the electric field and are enriched on the electrode plates of the first dust removing component 33. In this application, the circuit board 35 has no component, and its main function is to convert the electrical connection of the metal spring plate to a transfer board electrically connected to the first dust removing component 33 and the ionization component 32, where the electrical connection between the transfer board and the first dust removing component 33 and the ionization component 32 is implemented by using a wire 327, which is not shown in the drawing.

Further, the support frame 31 includes: the first side plate 311, the second side plate 312, a plurality of connecting beams 313, a fourth metal spring plate 314 and fixing screws 315; one end of each of the plurality of connecting beams 313 is fixedly connected with the first side plate 311, and the other end of each of the plurality of connecting beams 313 is fixedly connected with the second side plate 312; the fixing screw 315 passes through the fourth metal elastic sheet 314 and the first side plate 311 and is fixedly connected with the second dust removing assembly 34; the fourth metal spring 314 is also abutted against the third metal spring 22.

The first side plate 311, the second side plate 312, the connecting beam 313 and the metal elastic sheet are all made of metal materials, so that when the fourth metal elastic sheet 314 is fixed with the second dust removing component 34 through screws, the whole supporting frame 31 is at zero potential, and particles with negative charges are pushed onto the electrode sheet of the first dust removing component 33 by the electric field. Without affecting other parts.

Further, the ionization assembly 32 includes: the first insulating fixing base 321, the second insulating fixing base 322, the third insulating fixing base 323, the fourth insulating fixing base 324, the first fixing column 325, the second fixing column 326 and a plurality of wires 327; the first insulating fixing base 321 and the third insulating fixing base 323 are both fixedly arranged on the first side plate 311, and the second insulating fixing base 322 and the fourth insulating fixing base 324 are both fixedly arranged on the second side plate 312; two ends of the first fixing post 325 are respectively inserted into the first insulating fixing base 321 and the second insulating fixing base 322; two ends of the second fixing post 326 are respectively inserted into the third insulating fixing base 323 and the fourth insulating fixing base 324; one end of each of the plurality of wires 327 is fixedly connected with the first fixing post 325, and the other end of each of the plurality of wires 327 is fixedly connected with the second fixing post 326; the first fixing post 325 is also electrically connected to the first metal contact 351.

Specifically, the ionization component 32 is mainly electrically connected to the first contact, the upper and lower fixing columns of the ionization component 32 are made of metal, and metal wires are arranged between the fixing columns, so that particles in the passing air can be ionized and charged, and then deflected to the positively charged first dust removing component 33 under the action of an electric field in the electric field.

Further, the first dust removing assembly 33 includes: a plurality of first dust removal plates 331, at least one third fixing post 332, at least one fifth insulating fixing base 333, and at least one sixth insulating fixing base 334; the fifth insulating fixing base 333 is fixed on the first side plate 311, the sixth insulating fixing base 334 is fixed on the second side plate 312, and two ends of the third fixing column 332 are respectively inserted into the fifth insulating fixing base 333 and the sixth insulating fixing base 334; the first dust removal plates 331 are all fixedly connected with the third fixing posts 332, and the third fixing posts 332 are also electrically connected with the second metal contacts 352.

Further, the second dust removing assembly 34 includes: a fourth fixed column 341 and a plurality of second dust removal plates 342; two ends of the fourth fixed column 341 are fixedly connected with the first side plate 311 and the second side plate 312 respectively, and a plurality of second dust removal plates 342 are fixedly connected with the fourth fixed column 341; the fixing screw 315 sequentially passes through the fourth metal elastic piece 314 and the first side plate 311 and is connected with the fourth fixing column 341 through threads.

Specifically, the second dust removing assembly 34 is grounded, so that a small electric field having a short distance is formed between the second dust removing plate 342 and the first dust removing plate 331, so that negatively charged particles are more easily adsorbed onto the electrode plate.

Further, the edges of the air inlet 11 and the air outlet 21 are respectively provided with screw holes 4 for connecting with a ventilation pipe.

Further, the device also comprises a third shell 5, wherein two sides of the third shell 5 are respectively connected with the side face of the first shell 1 and the side face of the second shell 2 through screws.

Further, the method further comprises the following steps: the spoilers 36, the spoilers 36 are fixedly connected with the electrostatic field generating device 3, that is, are mounted on the connecting beam 313 of the supporting frame 31.

In summary, according to the electrostatic dust collector provided by the utility model, the electrostatic field generating device 3 is arranged in the dust collector, the first metal elastic sheet 12 and the second metal elastic sheet 13 are used for connecting the positive electrode and the negative electrode with the shell, the third metal elastic sheet 22 is used for grounding, and in the disassembling and cleaning process, the internal electrostatic field generating device 3 is not provided with an active device, so that the damage to the electric device in the cleaning process can be avoided, and compared with the conventional disposable filter devices such as filter paper and filter core, the electrostatic dust collector has better reusability and resource waste.

The present utility model is not limited to the above-described embodiments, but, if various modifications or variations of the present utility model are not departing from the spirit and scope of the present utility model, the present utility model is intended to include such modifications and variations as fall within the scope of the claims and the equivalents thereof.

Claims (9)

1. An electrostatic precipitator, comprising: a first housing and a second housing; the first shell is detachably connected with the second shell;

the first shell is provided with an air inlet, and the second shell is provided with an air outlet;

forming a containing cavity in the first shell and the second shell, wherein an electrostatic field generating device is contained in the containing cavity;

the first shell is also fixedly provided with a first metal elastic sheet and a second metal elastic sheet; a third metal spring plate for grounding is fixedly arranged on the second shell; the first metal elastic sheet, the second metal elastic sheet and the third metal elastic sheet are all abutted against the electrostatic field generating device.

2. An electrostatic precipitator according to claim 1, in which the electrostatic field generating means comprises: the device comprises a supporting frame, an ionization assembly, a first dust removing assembly, a second dust removing assembly and a circuit board;

the circuit board is fixed at the top of the supporting frame, and a first metal contact and a second metal contact are arranged on the top surface of the circuit board; the first metal contact is abutted with the first metal elastic sheet; the second metal contact is abutted with the second metal elastic sheet;

the ionization component is fixedly connected with the supporting frame and is also electrically connected with the first metal contact;

the first dust removing assembly and the second dust removing assembly are fixedly connected with the supporting frame, and the first dust removing assembly is electrically connected with the second metal contact; the second dust removing assembly is grounded.

3. An electrostatic precipitator according to claim 2, in which the support frame comprises: the first side plate, the second side plate, a plurality of connecting beams, a fourth metal elastic sheet and fixing screws;

one end of each of the connecting beams is fixedly connected with the first side plate, and the other end of each of the connecting beams is fixedly connected with the second side plate; the fixing screw penetrates through the fourth metal elastic sheet and the first side plate and then is fixedly connected with the second dust removing assembly; the fourth metal elastic sheet is also abutted against the third metal elastic sheet.

4. An electrostatic precipitator according to claim 3, in which the ionising assembly comprises: the device comprises a first insulating fixing seat, a second insulating fixing seat, a third insulating fixing seat, a fourth insulating fixing seat, a first fixing column, a second fixing column and a plurality of wires;

the first insulating fixing seat and the third insulating fixing seat are fixedly arranged on the first side plate, and the second insulating fixing seat and the fourth insulating fixing seat are fixedly arranged on the second side plate;

two ends of the first fixing column are respectively inserted into the first insulating fixing seat and the second insulating fixing seat;

two ends of the second fixing column are respectively inserted into the third insulating fixing seat and the fourth insulating fixing seat;

one end of each of the plurality of wires is fixedly connected with the first fixing column, and the other end of each of the plurality of wires is fixedly connected with the second fixing column; the first fixed column is also electrically connected with the first metal contact.

5. An electrostatic precipitator according to claim 4, in which said first dust removal assembly comprises: the dust collector comprises a plurality of first dust collecting plates, at least one third fixing column, at least one fifth insulating fixing seat and at least one sixth insulating fixing seat;

the fifth insulating fixing seat is fixed on the first side plate, the sixth insulating fixing seat is fixed on the second side plate, and two ends of the third fixing column are respectively inserted into the fifth insulating fixing seat and the sixth insulating fixing seat;

and the first dust removal plates are fixedly connected with third fixing columns, and the third fixing columns are also electrically connected with the second metal contacts.

6. An electrostatic precipitator according to claim 5, in which said second dust removal assembly comprises: a fourth fixed column and a plurality of second dust removal plates;

two ends of the fourth fixed column are fixedly connected with the first side plate and the second side plate respectively, and a plurality of second dust removal plates are fixedly connected with the fourth fixed column;

the fixing screw sequentially penetrates through the fourth metal elastic sheet and the first side plate and then is in threaded connection with the fourth fixing column.

7. An electrostatic precipitator according to claim 1, in which the edges of the inlet and the outlet are provided with screw holes for connection to ventilation pipes.

8. An electrostatic precipitator according to claim 1, further comprising a third housing, the sides of which are screwed to the sides of the first housing and the sides of the second housing, respectively.

9. An electrostatic precipitator according to claim 1, further comprising: the spoilers are fixedly connected with the electrostatic field generating device.

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