CN217796700U - High-voltage electrostatic discharge mechanism and air purifier - Google Patents
High-voltage electrostatic discharge mechanism and air purifier Download PDFInfo
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- CN217796700U CN217796700U CN202221164089.1U CN202221164089U CN217796700U CN 217796700 U CN217796700 U CN 217796700U CN 202221164089 U CN202221164089 U CN 202221164089U CN 217796700 U CN217796700 U CN 217796700U
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Abstract
The utility model discloses a high-voltage electrostatic discharge mechanism, which comprises a dust collector, positive and negative metal pressing plates and positive and negative metal contact plates which are arranged at the bottom of the dust collector and are arranged at intervals up and down, and movable metal contact plates which are arranged between the positive and negative metal pressing plates and the positive and negative metal contact plates, wherein the positive and negative metal pressing plates are electrically communicated with the positive and negative metal contact plates; the movable metal contact piece comprises a first piece body, first contacts arranged at two ends of the first piece body and a first elastic piece arranged in the middle of the first piece body. Under the action of the elastic force of the first elastic piece, the first contacts at the two ends of the first sheet body are abutted against the positive and negative metal contact pieces and are electrically conducted. Therefore, when the dust collector is lifted, the first contact point on the movable metal contact piece is abutted against the positive and negative metal contact pieces under the action of the elastic force of the first elastic piece and is electrically conducted, so that the positive and negative electrodes of the dust collector are connected, residual charges are not generated on the metal pieces, and the problem of residual charges between electrodes after the dust collector is taken out is effectively solved.
Description
Technical Field
The utility model relates to an air purification device technical field, concretely relates to high-voltage electrostatic discharge mechanism and air purifier.
Background
Air purifiers on the market at present are mainly classified into filter type dust removal purifiers and high-voltage electrostatic dust removal purifiers. The filtering type dust removal purifier adopts a filter screen for filtering and removing dust, and the filter screen has the problems of long service life and incapability of being reused, so the later use cost is high; the high-voltage electrostatic dust removal purifier mainly adopts the high-voltage electrostatic principle to remove dust through the dust collector, and the dust collector can be washed and used repeatedly, and the cost of user later-stage use is very low. The filtering type dust removal purifier has stronger filtering capacity and larger dust removal particles; the high-voltage electrostatic dust-removing purifier mainly removes particles with smaller particles, such as smoke dust or pollen, and therefore the two purifiers are respectively long.
The high-voltage electrostatic dust-removing purifier has the advantages that the dust collector mainly comprises metal sheets which are arranged in a positive and negative exchange mode, when the high-voltage electrostatic dust-removing purifier works, the metal sheets of the positive and negative poles of the dust collector are respectively connected with the positive and negative output poles of a high-voltage line, the metal sheets which are arranged in the positive and negative exchange mode generate high-voltage electrostatic fields, and the surfaces of the metal sheets have the capacity of adsorbing particles under the action of the electric fields. When a user draws out the dust collector, the positive and negative pole metal sheets of the dust collector are disconnected with the positive and negative poles of the high-voltage line, at the moment, the positive and negative pole metal sheets of the dust collector are similar to a large capacitor, residual charges exist in the positive and negative pole metal sheets, and if the user accidentally touches the positive and negative pole metal sheets at the same time, the risk of electric shock exists. Therefore, the high-voltage electrostatic dust removal purifier needs to adopt a measure for eliminating residual charges to the dust collector.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model provides a high-voltage electrostatic discharge mechanism and air purifier can effectively solve the problem that the dust collector takes out the residual charge between the rear electrodes.
The utility model discloses a solve the technical scheme that its problem adopted and be:
the utility model provides a high-voltage electrostatic discharge mechanism, is in including dust arrester, setting positive and negative metal pressing plate and positive and negative metal contact and the setting of dust arrester bottom and upper and lower interval arrangement are in positive and negative metal pressing plate with movable metal contact between the positive and negative metal contact, wherein:
the positive and negative metal pressing plates are electrically communicated with the positive and negative metal contact pieces;
the movable metal contact piece comprises a first piece body, first contacts arranged at two ends of the first piece body and a first elastic piece arranged in the middle of the first piece body; under the action of the elastic force of the first elastic piece, first contacts at two ends of the first sheet body are abutted against the positive and negative metal contact pieces to realize electric conduction;
the bottom of the dust collector is also provided with a first through hole into which an external structure can extend, and the external structure extends into the first through hole and jacks up the first sheet body so as to separate the first contact from the positive and negative metal contact pieces.
The utility model discloses a high-voltage electrostatic discharge mechanism, when mentioning the dust arrester, the first contact on this activity metal contact will be contradicted and the electric conduction with positive negative pole metal contact under the spring action of first elastic component for switch-on between the positive negative pole of dust arrester, thereby make no residual charge on the metal sheet, effectively solved the dust arrester and taken out the problem of the residual charge of back interelectrode.
Furthermore, the positive and negative metal pressing plates comprise positive metal pressing plates and negative metal pressing plates which are arranged in parallel at intervals, a fixing plate is arranged above the bottom of the dust collector, and the positive metal pressing plates and the negative metal pressing plates are both arranged on the fixing plate.
Further, positive negative pole metal contact is including the anodal metal contact and the negative pole metal contact of parallel interval arrangement, wherein:
the positive metal contact piece is electrically communicated with the positive metal pressing plate, and the negative metal contact piece is electrically communicated with the negative metal pressing plate;
the bottom of the dust collector is provided with a lower cover plate, and the positive metal contact piece and the negative metal contact piece are both arranged on the lower cover plate.
Furthermore, the positive metal contact piece and the negative metal contact piece are structurally symmetrical and respectively comprise a second sheet body, a second contact arranged at one end of the second sheet body and a second elastic piece arranged at the other end of the second sheet body, and the other end of the second elastic piece is abutted to the positive metal pressing plate or the negative metal pressing plate.
Further, the second elastic member is a conductive spring.
Furthermore, the lower cover plate is provided with a mounting column; and a second through hole is formed in the second sheet body, and the second sheet body is sleeved on the mounting column through the second through hole.
Furthermore, a flange is further arranged at the second through hole on the second sheet body, and one end of the second elastic piece is connected to the flange and sleeved on the outer side of the mounting column.
Further, still be equipped with on the apron down and be used for placing the mounting groove of activity metal contact, wherein:
notches for two ends of the first sheet body to penetrate through are formed in two ends of the mounting groove, and the side walls of the notches can be attached to the first sheet body so as to limit the front and back directions of the first sheet body;
two sides of the first sheet body are provided with folded edges, and the inner walls of the two sides of the mounting groove can be attached to the folded edges so as to limit the left and right directions of the first sheet body;
the mounting groove is internally provided with the first through hole.
Thus, the first sheet body can move up and down in the mounting groove.
Additionally, the utility model provides an air purifier, be in including casing and setting above-mentioned high-voltage electrostatic discharge mechanism in the casing, wherein:
a power supply partition plate is further arranged in the shell, and a boss is arranged on the power supply partition plate;
when the dust collector is placed on the power supply partition plate, the lug boss extends into the first through hole and jacks up the first sheet body, and first contacts at two ends of the first sheet body are separated from the positive and negative metal contact pieces.
Therefore, when the dust collector is placed in the air purifier shell, the lug boss on the power supply partition plate can jack the movable metal contact piece, so that the first contact on the movable metal contact piece is separated from the positive and negative metal contact pieces, and the dust collector can normally work and adsorb dust.
Furthermore, the shell comprises a front shell, a rear shell, a top cover and a bottom cover, the front shell, the rear shell, the top cover and the bottom cover are connected with each other, an installation cavity is formed inside the front shell, the rear shell, the top cover and the bottom cover, and the high-voltage electrostatic discharge mechanism and the power supply partition plate are arranged in the installation cavity.
To sum up, the utility model discloses a high-voltage electrostatic discharge mechanism and air purifier has following beneficial effect:
(1) The utility model discloses a high-voltage electrostatic discharge mechanism, when mentioning the dust arrester, the first contact on this activity metal contact will be contradicted and the electric conduction with positive negative pole metal contact under the spring action of first elastic component for switch-on between the positive negative pole of dust arrester, thereby make no residual charge on the metal sheet, effectively solved the dust arrester and taken out the problem of the residual charge of back interelectrode.
(2) The utility model discloses an air purifier when putting into the air purifier casing to the dust arrester, the boss on the power supply baffle can be with activity metal contact jack-up for first contact and positive negative pole metal contact phase separation on the activity metal contact, thereby make the dust arrester normally work and adsorb the dust.
Drawings
Fig. 1 is an exploded schematic view of the air purifier of the present invention;
FIG. 2 is a schematic structural view of the movable metal contact of the present invention;
FIG. 3 is a schematic structural view of the lower cover plate of the present invention;
FIG. 4 is a schematic structural view of the positive metal contact of the present invention;
fig. 5 is a schematic structural view of the air purifier of the present invention;
fig. 6 is a side sectional view of the air cleaner of the present invention (after the dust collector is placed therein);
FIG. 7 is an enlarged view of a portion A of FIG. 6;
FIG. 8 is another side sectional view of the air cleaner of the present invention (with the dust collector lifted);
fig. 9 is a partially enlarged view of a portion B in fig. 8.
Wherein the reference numerals have the following meanings:
1. a dust collector; 11. a lower cover plate; 111. mounting a column; 112. mounting grooves; 113. a first through hole; 12. a fixing plate; 121. a groove; 122. a positioning column; 21. a positive metal platen; 22. a negative metal platen; 31. a positive metal contact; 311. a second sheet body; 312. a second contact; 313. a second elastic member; 314. flanging; 315. a second through hole; 32. a negative metal contact; 4. a movable metal contact; 41. a first sheet body; 42. a first contact; 43. a first elastic member; 44. folding edges; 5. a power supply partition plate; 51. a boss; 6. a housing; 61. a front housing; 62. a rear housing; 63. a top cover; 64. a bottom cover.
Detailed Description
For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Example one
Referring to fig. 1-9, the utility model provides a high voltage electrostatic discharge mechanism at first, including dust arrester 1, set up in dust arrester 1 bottom and positive negative pole metal clamp plate and positive negative pole metal contact piece and the movable metal contact piece 4 of setting between positive negative pole metal clamp plate and positive negative pole metal contact piece of interval arrangement from top to bottom. The positive and negative metal pressing plates comprise positive metal contact pieces 31 and negative metal contact pieces 32 which are arranged in parallel at intervals, the positive and negative metal pressing plates comprise positive metal pressing plates 21 and negative metal pressing plates 22 which are arranged in parallel at intervals, the positive metal contact pieces 31 are electrically conducted with the positive metal pressing plates 21, and the negative metal contact pieces 32 are electrically conducted with the negative metal pressing plates 22; the movable metal contact 4 includes a first sheet 41 in a shape of a straight line, a first contact 42 disposed on the bottom surfaces of two ends of the first sheet 41 and in a shape of a protrusion, and a first elastic member 43 disposed on the top surface of the middle portion of the first sheet 41. Under the elastic force of the first elastic member 43, the first contacts 42 at the two ends of the first sheet 41 respectively contact with the positive metal contact 31 and the negative metal contact 32 to achieve electrical conduction.
In this embodiment, the first elastic member 43 is a return spring.
Therefore, when the dust collector 1 is lifted, the first contact 42 on the movable metal contact 4 is abutted against and electrically conducted with the positive and negative metal contacts under the elastic force of the first elastic member 43, so that the positive and negative electrodes of the dust collector 1 are connected, no residual charge is left on the metal sheet, and the problem of residual charge between the electrodes after the dust collector 1 is taken out is effectively solved.
Specifically, the dust collector 1 includes a lower cover plate 11 disposed at the bottom and a fixing plate 12 disposed above the lower cover plate 11, two mounting posts 111 are disposed on the lower cover plate 11 at intervals, and the positive metal contact 31 and the negative metal contact 32 are respectively mounted on the two mounting posts 111. Specifically, the positive metal contact 31 and the negative metal contact 32 are structurally symmetrical, and each include a second sheet body 311 in a shape of a straight line, a second contact 312 which is arranged on the top surface of one end of the second sheet body 311 and is in a convex shape, a second elastic member 313 which is arranged on the top surface of the other end of the second sheet body 311, a second through hole 315 which is arranged on the second sheet body 311, and a flange 314 which is arranged at the second through hole 315 and is in a ring shape, wherein the second sheet body 311 is sleeved on the mounting post 111 through the second through hole 315 to realize assembly, and the mounting post 111 extends into the second elastic member 313. In addition, two grooves 121 are arranged on the fixing plate 12 in parallel at intervals, and the positive metal pressing plate 21 and the negative metal pressing plate 22 are respectively located in the two grooves 121. One end of the second elastic member 313 is connected to the flange 314 of the second sheet 311, and the other end abuts against the positive metal pressing plate 21 or the negative metal pressing plate 22, so that the positive metal contact piece 31 is electrically connected to the positive metal pressing plate 21, and the negative metal contact piece 32 is electrically connected to the negative metal pressing plate 22.
In this embodiment, the second elastic element 313 is a conductive spring, and one end of the second elastic element is riveted to the flange 314.
Referring to fig. 1-9, the lower cover plate 11 is further provided with a rectangular mounting groove 112 for placing the movable metal contact 4, and the left and right ends of the mounting groove 112 are both provided with notches through which the two ends of the first sheet 41 can penetrate, so as to divide the mounting groove 112 into two U-shaped grooves arranged oppositely. Therefore, when the movable metal contact 4 is placed in the mounting groove 112, the side wall of the gap can be attached to the first sheet 41 to limit the front and back direction of the first sheet 41; this first lamellar body 41's front and back both sides still perpendicularly upwards are equipped with hem 44, and this hem 44 can just be gone into in the cell body that is the U-shaped form for cell body both sides inner wall is laminated mutually with hem 44 and is spacing in order to carry out the left and right directions to first lamellar body 41, and then makes first lamellar body 41 only can reciprocate in mounting groove 112.
In addition, a positioning post 122 is further protruded between the two grooves 121 on the fixing plate 12 of the dust collector 1, and the first elastic member 4 of the movable metal contact 4 is sleeved on the positioning post 122. Thus, under the elastic force of the first elastic member 43, the first contacts 42 at both ends of the first sheet 41 respectively contact with the positive metal contact piece 31 and the negative metal contact piece 32 to achieve electrical conduction.
Example two
Referring to fig. 1-9 again, the utility model provides an air purifier still provides, including casing 6 and the high-voltage electrostatic discharge mechanism of setting in casing 6, this casing 6 is including preceding shell 61, backshell 62, top cap 63 and bottom 64, and this preceding shell 61, backshell 62, top cap 63 and bottom 64 interconnect and inside formation installation cavity, and this high-voltage electrostatic discharge mechanism sets up in the installation cavity. In addition, a power supply partition plate 5 is further arranged in the mounting cavity, a boss 51 is arranged on the power supply partition plate 5, and a first through hole 113 into which the boss 51 can extend is formed in the lower cover plate 11 of the dust collector 1.
Therefore, when the dust collector 1 is placed in the housing 6 of the air purifier, the boss 51 of the power supply partition plate 5 extends into the first through hole 113 and jacks up the movable metal contact piece 4, so that the first contact 42 of the movable metal contact piece 4 is separated from the positive and negative metal contact pieces, and the dust collector 1 can normally work and adsorb dust.
To sum up, the utility model discloses a high-voltage electrostatic discharge mechanism and air purifier has following beneficial effect:
(I) the utility model discloses a high voltage static discharge mechanism, when mentioning dust arrester 1, the first contact 42 on this activity metal contact 4 will be contradicted and the electric conduction with positive negative pole metal contact under the spring action of first elastic component 43 for switch-on between the positive negative pole of dust arrester 1, thereby do not have residual charge on making the metal sheet, effectively solved the problem that dust arrester 1 took out the residual charge of back interelectrode.
(II) the utility model discloses an air purifier, when putting into air purifier casing 6 dust arrester 1 in, boss 51 on the power supply baffle 5 can jack-up activity metal contact 4 for first contact 42 and positive negative pole metal contact phase separation on the activity metal contact 4, thereby make dust arrester 1 can normally work and adsorb the dust.
The technical means disclosed by the scheme of the present invention is not limited to the technical means disclosed by the above embodiments, but also includes the technical scheme formed by the arbitrary combination of the above technical features. It should be noted that modifications and embellishments may be made by those skilled in the art without departing from the principles of the present invention and are considered within the scope of the invention.
Claims (10)
1. The utility model provides a high-voltage electrostatic discharge mechanism, its characterized in that is in including dust arrester, setting dust arrester bottom and upper and lower interval arrangement's positive negative pole metal pressing plate and positive negative pole metal contact and setting are in positive negative pole metal pressing plate with movable metal contact between the positive negative pole metal contact, wherein:
the positive and negative metal pressing plates are electrically communicated with the positive and negative metal contact pieces;
the movable metal contact piece comprises a first piece body, first contacts arranged at two ends of the first piece body and a first elastic piece arranged in the middle of the first piece body; under the action of the elastic force of the first elastic piece, first contacts at two ends of the first sheet body are abutted against the positive and negative metal contact pieces and are electrically conducted;
the bottom of the dust collector is also provided with a first through hole for an external structure to extend into, and the external structure extends into the first through hole and jacks up the first sheet body so as to separate the first contact from the positive and negative metal contact pieces.
2. The high-voltage electrostatic discharge mechanism according to claim 1, wherein the positive and negative metal pressing plates include a positive metal pressing plate and a negative metal pressing plate arranged in parallel at an interval, a fixing plate is arranged above the bottom of the dust collector, and the positive metal pressing plate and the negative metal pressing plate are both arranged on the fixing plate.
3. The high-voltage electrostatic discharge mechanism of claim 2, wherein the positive and negative metal contacts comprise a positive metal contact and a negative metal contact arranged in parallel at intervals, wherein:
the positive metal contact piece is electrically communicated with the positive metal pressing plate, and the negative metal contact piece is electrically communicated with the negative metal pressing plate;
the bottom of the dust collector is provided with a lower cover plate, and the positive metal contact piece and the negative metal contact piece are both arranged on the lower cover plate.
4. The high-voltage electrostatic discharge mechanism according to claim 3, wherein the positive electrode metal contact and the negative electrode metal contact are structurally symmetrical and each include a second plate, a second contact disposed at one end of the second plate, and a second elastic member disposed at the other end of the second plate, and the other end of the second elastic member abuts against the positive electrode metal pressing plate or the negative electrode metal pressing plate.
5. The ESD mechanism of claim 4, wherein the second elastic member is a conductive spring.
6. The high-voltage electrostatic discharge mechanism according to claim 4, wherein the lower cover plate is provided with a mounting post; and a second through hole is formed in the second sheet body, and the second sheet body is sleeved on the mounting column through the second through hole.
7. The high-voltage electrostatic discharge mechanism according to claim 6, wherein a flange is further disposed at the second through hole on the second sheet, and one end of the second elastic member is connected to the flange and sleeved outside the mounting post.
8. The high voltage electrostatic discharge mechanism of claim 3, wherein said lower cover plate further comprises a mounting slot for placing said movable metal contact, wherein:
notches for two ends of the first sheet body to penetrate through are formed in two ends of the mounting groove, and the side walls of the notches can be attached to the first sheet body so as to limit the front and back directions of the first sheet body;
two sides of the first sheet body are provided with folded edges, and the inner walls of the two sides of the mounting groove can be attached to the folded edges so as to limit the left and right directions of the first sheet body;
the mounting groove is internally provided with the first through hole.
9. An air cleaner comprising a housing and the high-voltage electrostatic discharge mechanism of any one of claims 1-8 disposed within the housing, wherein:
a power supply partition plate is further arranged in the shell, and a boss is arranged on the power supply partition plate;
when the dust collector is placed on the power supply partition plate, the lug boss extends into the first through hole and jacks up the first sheet body, and first contacts at two ends of the first sheet body are separated from the positive and negative metal contact pieces.
10. The air cleaner of claim 9, wherein the housing comprises a front shell, a rear shell, a top cover, and a bottom cover, the front shell, the rear shell, the top cover, and the bottom cover are connected to each other and form a mounting cavity therein, and the high-voltage electrostatic discharge mechanism and the power supply partition are disposed in the mounting cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221164089.1U CN217796700U (en) | 2022-05-13 | 2022-05-13 | High-voltage electrostatic discharge mechanism and air purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221164089.1U CN217796700U (en) | 2022-05-13 | 2022-05-13 | High-voltage electrostatic discharge mechanism and air purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217796700U true CN217796700U (en) | 2022-11-15 |
Family
ID=83983978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221164089.1U Active CN217796700U (en) | 2022-05-13 | 2022-05-13 | High-voltage electrostatic discharge mechanism and air purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217796700U (en) |
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2022
- 2022-05-13 CN CN202221164089.1U patent/CN217796700U/en active Active
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