CN212120380U - Electrostatic precipitation subassembly and air purifier - Google Patents
Electrostatic precipitation subassembly and air purifier Download PDFInfo
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- CN212120380U CN212120380U CN202020599103.5U CN202020599103U CN212120380U CN 212120380 U CN212120380 U CN 212120380U CN 202020599103 U CN202020599103 U CN 202020599103U CN 212120380 U CN212120380 U CN 212120380U
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- conductive
- electrostatic precipitator
- conductive pin
- electrostatic
- pin
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- 238000005367 electrostatic precipitation Methods 0.000 title abstract description 11
- 239000000428 dust Substances 0.000 claims abstract description 64
- 230000008602 contraction Effects 0.000 claims abstract description 29
- 238000003780 insertion Methods 0.000 claims description 22
- 230000037431 insertion Effects 0.000 claims description 22
- 239000012717 electrostatic precipitator Substances 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 5
- 238000000605 extraction Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000003566 sealing material Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000002386 air freshener Substances 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005686 electrostatic field Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model discloses an electrostatic precipitation subassembly and air purifier, this electrostatic precipitation subassembly includes: the electrostatic dust collection device comprises a conductive pin and a conductive terminal; the conductive terminal is provided with an inserting part and a contraction part which are connected with each other, wherein the contraction part is provided with a contraction state that the conductive needle bends towards the axial center of the conductive terminal when not inserted and an extension state that the conductive needle moves towards the direction far away from the axial center under the driving of the conductive needle when inserted. The utility model discloses a set up the constriction to when electrically conductive needle inserts, be close to the surface of electrically conductive needle and laminate mutually with electrically conductive needle, make point contact and line contact by among the prior art promote to the face contact, thereby increased area of contact between the two by a wide margin, improved the reliability between electrically conductive needle and the conductive terminal, guaranteed air purifier's normal work.
Description
Technical Field
The utility model relates to a domestic appliance field, concretely relates to electrostatic precipitation subassembly and air purifier.
Background
With the improvement of living standard of people, many intelligent household appliances gradually come into families of people. Air purifiers, also known as "air cleaners", air fresheners, purifiers, are meant to be capable of adsorbing, decomposing or converting various air pollutants. Air purifiers sold in the market at present adopt various dust removal technologies, and high-voltage electrostatic dust removal is one of the dust removal technologies. The high-voltage electrostatic dust collection is that when the dust-containing gas passes through a high-voltage electrostatic field, the dust is electrically separated, and after the dust particles and negative ions are combined and charged negatively, the dust particles tend to discharge on the surface of an anode and are deposited.
However, in the prior art, it is common to provide a conductive sheet on an electrostatic dust collector of an air cleaner, and then to discharge electricity by contacting the conductive sheet with a conductive pin. Conducting strip and conductive pin are because point contact or line contact at the connection in-process for area of contact is less, and after long-time wearing and tearing and use, the direct contact between conductive pin and the conducting strip can become unreliable, thereby influences air purifier's normal work, makes the user use experience relatively poor.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming among the prior art and purifying parts support conductive pin and conducting strip direct contact unreliable, influences air purifier's the technical problem of normal work to an electrostatic precipitation subassembly and air purifier are provided.
In order to achieve the above object, the present invention provides an electrostatic dust collecting assembly, comprising: a conductive pin; the electrostatic dust collection device is provided with a first mounting cavity suitable for mounting a conductive terminal; the conductive terminal is arranged in the first mounting cavity and is electrically connected with the electrostatic dust collection device; the conductive terminal is provided with an insertion part and a contraction part which are connected with each other, and the insertion part and the contraction part surround to form a containing cavity suitable for inserting the conductive pin; the insertion part is provided with an insertion hole suitable for inserting the conductive pin; the contraction part is provided with a contraction state that the conductive needle is bent towards the axial center when not inserted and an expansion state that the conductive needle moves away from the axial center under the driving of the conductive needle when inserted; the contraction part and the conductive needle are in interference fit.
Optionally, the conductive terminal further comprises a protruding portion, and the protruding portion is connected with the insertion portion through the contraction portion; the extension part is provided with an extension hole suitable for the conductive pin to extend out.
Optionally, the contraction part is a plurality of conducting strips arranged at intervals; when the conductive pin is not inserted, the conductive sheet is sunken towards the accommodating cavity to form the contraction state; when the conductive pin is inserted, the surface of the conductive sheet close to the conductive pin is attached to the conductive pin to form the stretching state.
Optionally, the conductive terminal is integrally formed.
Optionally, the inner diameters of the insertion hole and the extraction hole are the same as the radius of the conductive pin.
Optionally, the electrostatic dust collection assembly further comprises an electrostatic dust collection device frame provided with a second mounting cavity adapted to mount the electrostatic dust collection device.
Optionally, a conductive pin installation cavity is arranged on the electrostatic dust collection device frame, an axis of the conductive pin installation cavity coincides with an axial center of the contraction portion, and the conductive pin is hermetically arranged on the conductive pin installation cavity.
Optionally, a sealing ring is disposed on a side of the conductive pin installation cavity close to the electrostatic dust collection device, and the sealing ring is provided with a through hole suitable for inserting the conductive pin.
Optionally, the electrostatic dust collector and the frame of the electrostatic dust collector are connected by a snap structure or a screw.
The utility model also provides an air purifier, this air purifier include above-mentioned arbitrary any electrostatic precipitation subassembly and with the fan of electrostatic precipitation subassembly cooperation work.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model provides an electrostatic precipitation subassembly, this electrostatic precipitation subassembly includes: the electrostatic dust collection device comprises a conductive pin and a conductive terminal; the conductive terminal is provided with an inserting part and a contraction part which are connected with each other, wherein the contraction part is provided with a contraction state that the conductive needle bends towards the axial center of the conductive terminal when not inserted and an extension state that the conductive needle moves towards the direction far away from the axial center under the driving of the conductive needle when inserted. The utility model discloses a set up the constriction to when electrically conductive needle inserts, be close to the surface of electrically conductive needle and laminate mutually with electrically conductive needle, make point contact and line contact by among the prior art promote to the face contact, thereby increased area of contact between the two by a wide margin, improved the reliability between electrically conductive needle and the conductive terminal, guaranteed air purifier's normal work.
2. The utility model discloses a set up the extension at conductive terminal to and be suitable for the hole of stretching out that the conductive pin stretches out, can make the conductive pin after inserting conductive terminal, stretch out from the extension. Therefore, the conductive terminals can be stably connected with the conductive pins through the contraction parts, and the connection reliability between the conductive pins and the conductive terminals is improved.
3. The utility model discloses a set up the conducting strip that the constriction set up to a plurality of intervals, can be when electrically conductive needle inserts, be close to the surface of electrically conductive needle and laminate mutually with electrically conductive needle for point contact and line contact by among the prior art promote to the face contact, thereby increased area of contact between the two by a wide margin, improved the reliability between electrically conductive needle and the conductive terminal, guaranteed air purifier's normal work.
4. The utility model discloses a set up conductive terminal integrated into one piece, can prevent in the use, the dust falls into between conductive terminal's the joint seam to there is the problem of discharging between contact failure and each part between preventing conductive terminal each part, and then has guaranteed conductive terminal's electric connectivity.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view showing the construction of the electrostatic dust collection assembly of the present embodiment;
fig. 2 shows a cross-sectional view of the electrostatic dust collection assembly of the present embodiment;
fig. 3 shows an enlarged view of a portion a of the electrostatic precipitator assembly of the present embodiment;
fig. 4 shows a sectional view of the electrostatic dust collection assembly of the present embodiment when it is not completely inserted;
FIG. 5 is a schematic view of the conductive terminal of the present embodiment in an extended configuration;
fig. 6 is a schematic structural view illustrating the shrinkage of the conductive terminal according to the embodiment;
fig. 7 shows a schematic configuration of the electrostatic dust collector of the present embodiment.
The components in the drawings are numbered as follows:
1-electrostatic dust collecting device; 11-a first mounting cavity;
2-conductive terminals; 21-an extension; 22-a constriction; 23-an insertion section; 231-an insertion hole;
3-electrostatic dust collector frame; 4-sealing ring; 5-a conductive pin; 6-power line.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the prior art, it is common to provide a conductive sheet on an electrostatic dust collector of an air cleaner, and then to discharge electricity by contacting the conductive sheet with a conductive pin. Because the static dust collecting device and the conducting strip are not sealed, the contact point between the static dust collecting device and the conducting strip is easy to accumulate dust after long-time use, and the conducting strip and the static dust collecting device bracket around the conducting strip are easy to form a discharge path in a high-humidity environment. The contact point is provided with high voltage to directly discharge the electrostatic dust collector bracket around the conducting strip, so that the material of the electrostatic dust collector bracket is easy to age and lose efficacy. And conducting strip and conductive pin are because point contact or line contact at the connection in-process for area of contact is less, and after long-time wearing and tearing and use, the direct contact between conductive pin and the conducting strip can become unreliable, thereby influences air purifier's normal work, makes user use experience relatively poor. The utility model provides a pair of electrostatic precipitation subassembly and air purifier can solve the easy ageing inefficacy of material that purifies the part support that exists among the prior art, and conductive pin and conducting strip direct contact are unreliable, influence air purifier's the technical problem of normal work.
Referring to fig. 1 to 7, an embodiment of the present invention provides an electrostatic dust collecting assembly, which includes an electrostatic dust collecting device 1, an electrostatic dust collecting device frame 3, a conductive terminal 2, and a conductive pin 5. The electrostatic dust collection device 1 is arranged in the electrostatic dust collection device frame 3, the electrostatic dust collection device 1 is provided with a first mounting cavity 11, and the conductive terminals 2 are arranged in the first mounting cavity 11 and electrically connected with the electrostatic dust collection device 1. The conductive pins 5 are inserted into the conductive terminals 2 and electrically connected to the conductive terminals 2.
As shown in fig. 5 and 6, the conductive terminal 2 has a protruding portion 21, a contracting portion 22 and an inserting portion 23, the contracting portion 22 is disposed between the protruding portion 21 and the inserting portion 23, and the contracting portion 22 and the inserting portion 23 surround to form a receiving cavity suitable for inserting the conductive pin 5. The extension portion 21 is provided with an extension hole, and the insertion portion 23 is provided with an insertion hole 231, and the inner diameters of the extension hole and the insertion hole 231 are the same as the radius of the conductive pin 5. The constricted portion 22 is a plurality of conductive sheets arranged at intervals. The contraction part 22 is in interference fit with the conductive pin 5.
The conductive pin 5 is connected to a power supply line 6. As shown in fig. 4, when the conductive pin 5 is not inserted, the conductive piece is recessed toward the receiving cavity, thereby forming a state of being bent and contracted toward the axial center of the conductive terminal. When the conductive pin 5 is inserted, the conductive pin 5 is inserted into the accommodation chamber from the insertion hole 231 of the insertion portion 23. As the conductive pin 5 is continuously inserted, as shown in fig. 2 and 3, the surface of the conductive sheet near the conductive pin 5 is gradually attached to the conductive pin 5, and the conductive sheet is gradually extended. When the conductive pin 5 extends out of the extending hole of the extending part 21, the conductive sheet moves towards the axial center far away from the conductive terminal under the driving of the conductive pin 5, and the conductive sheet is in an extending state. By providing the conductive terminal 2 with the protruding portion 21 and the protruding hole adapted to protrude the conductive pin 5, the conductive pin 5 can be made to protrude from the protruding portion 21 after inserting the conductive terminal 2. Therefore, the conductive terminals 2 can be stably connected with the conductive pins 5 through the contraction parts 22, and the reliability of connection between the conductive pins 5 and the conductive terminals 2 is improved.
The utility model discloses a set up constriction 22 to the conducting strip that sets up to a plurality of intervals, can be when conducting pin 5 inserts, be close to conducting pin 5's surface and the laminating of conducting pin 5 mutually, make point contact and line contact by among the prior art promote to face contact, thereby increased area of contact between the two by a wide margin, improved the reliability between conducting pin 5 and the conductive terminal 2, guaranteed air purifier's normal work.
In another embodiment, the conductive terminal 2 is provided with only the insertion portion 23 and the contraction portion 22, and the contraction portion 22 has a contracted state when the conductive pin 5 is not inserted and an extended state in which the surface of the contraction portion 22 close to the conductive pin 5 is in contact with the conductive pin 5 when the conductive pin 5 is inserted.
As another embodiment, the protruding portion of the conductive terminal 2 may be a non-conductive material.
In another embodiment, the conductive terminal 2 is integrally formed. Therefore, dust can be prevented from falling into the connecting seams of the conductive terminals 2 in the using process, poor contact among all the parts of the conductive terminals 2 and the problem of discharge among all the parts are prevented, and the electric connectivity of the conductive terminals 2 is ensured.
In the embodiment of the present invention, the electrostatic dust collector frame 3 is detachably connected to the electrostatic dust collector 1. The electrostatic dust collection device frame 3 is provided with a second mounting cavity suitable for mounting the electrostatic dust collection device 1, the electrostatic dust collection device frame 3 is provided with a conductive needle mounting cavity, the axis of the conductive needle mounting cavity coincides with the axial center of the contraction part, and the conductive needle is arranged on the conductive needle mounting cavity in a sealing mode through a sealing material. Of course, the sealing material can be changed by those skilled in the art according to actual conditions, and the sealing effect can be achieved. The electrostatic dust collector can avoid dust accumulation between the contact points of the electrostatic dust collector 1 and the conductive terminals 2, further avoid discharge between the electrostatic dust collector and the conductive terminals, avoid the problem that the support material of the electrostatic dust collector 1 is easy to age and lose efficacy, and prolong the service life of the electrostatic dust collector 1.
A sealing ring 4 is arranged on one side of the conductive pin mounting cavity close to the electrostatic dust collection device 1, and the sealing ring 4 is provided with a through hole suitable for the conductive pin 5 to be inserted. When the conductive pin 5 is inserted, the conductive pin 5 is inserted into the accommodation chamber from the insertion hole 231 of the insertion portion 23. As the conductive pin 5 is inserted deeply, the seal ring 4 is pressed by the conductive pin 5 and the conductive terminal 3. When the conductive pin 5 protrudes from the protruding hole of the protruding portion 21, the seal ring 4 also completely closes the gap between the conductive terminal 3 and the first mounting cavity 11.
The utility model discloses a set up sealing washer 4, can further seal between electrostatic precipitator device 1 and conductive terminal 2 for there is sealed environment between the two, thereby can avoid producing the laying dust between the contact point of the two, and then avoided producing between the two and discharged, avoided the easy ageing inefficacy of 1 support material of electrostatic precipitator device, prolonged electrostatic precipitator device 1's life.
The electrostatic dust collector 1 and the electrostatic dust collector frame 3 may be connected by a snap structure or a screw. The embodiment of the utility model provides a just the illustration does not prescribe a limit to the connected mode between the two, and technical personnel in the field can change the connected mode according to actual conditions, can realize the same technological effect can.
Example 2
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. An electrostatic precipitator assembly, comprising:
a conductive pin (5);
the electrostatic dust collection device (1) is provided with a first mounting cavity (11) suitable for mounting the conductive terminal (2);
the conductive terminal (2) is arranged in the first mounting cavity (11) and is electrically connected with the electrostatic dust collection device (1); the conductive terminal (2) is provided with an insertion part (23) and a contraction part (22) which are connected with each other, and the insertion part (23) and the contraction part (22) surround to form a containing cavity suitable for the conductive pin (5) to be inserted; the insertion portion (23) has an insertion hole (231) adapted to insert the conductive pin (5);
the contraction part (22) is provided with a contraction state that the conductive pin (5) is bent towards the axial center of the conductive terminal (2) when not inserted and an expansion state that the conductive pin (5) moves away from the axial center under the driving of the conductive pin (5) when inserted; the contraction part (22) is in interference fit with the conductive needle (5).
2. The electrostatic precipitator assembly according to claim 1, wherein the conductive terminal (2) further comprises a protruding portion (21), the protruding portion (21) and the insertion portion (23) being connected by the constricted portion (22); the extension part (21) is provided with an extension hole suitable for the conductive needle (5) to extend out.
3. The electrostatic precipitator assembly of claim 2, wherein the constriction (22) is a plurality of spaced apart conductive strips; when the conductive pin (5) is not inserted, the conductive sheet is sunken towards the accommodating cavity to form the contraction state; when the conductive needle (5) is inserted, the surface of the conductive sheet close to the conductive needle (5) is attached to the conductive needle (5) to form the stretching state.
4. An electrostatic precipitator assembly according to claim 2, wherein the electrically conductive terminals (2) are integrally formed.
5. The electrostatic precipitator assembly according to claim 2, wherein the inner diameters of the insertion hole (231) and the extraction hole are the same as the radius of the conductive pin (5).
6. The electrostatic precipitator assembly according to any of claims 1-5, further comprising an electrostatic precipitator device frame (3), the electrostatic precipitator device frame (3) being provided with a second mounting cavity adapted for mounting the electrostatic precipitator device (1).
7. The electrostatic precipitator assembly according to claim 6, wherein the electrostatic precipitator frame (3) is provided with a conductive pin mounting cavity, an axis of the conductive pin mounting cavity coincides with an axial center of the contraction part (22), and the conductive pin (5) is hermetically arranged on the conductive pin mounting cavity.
8. The electrostatic dust collection assembly of claim 7, wherein a sealing ring (4) is disposed inside the conductive pin installation cavity and on a side close to the electrostatic dust collection device (1), and the sealing ring (4) is provided with a through hole suitable for inserting the conductive pin (5).
9. The electrostatic precipitator assembly according to claim 7 or 8, wherein the electrostatic precipitator (1) and the electrostatic precipitator frame (3) are connected by a snap-fit structure or screws.
10. An air cleaner comprising the electrostatic precipitator assembly of any of claims 1-9 and a fan operatively associated with the electrostatic precipitator assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020599103.5U CN212120380U (en) | 2020-04-20 | 2020-04-20 | Electrostatic precipitation subassembly and air purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020599103.5U CN212120380U (en) | 2020-04-20 | 2020-04-20 | Electrostatic precipitation subassembly and air purifier |
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| Publication Number | Publication Date |
|---|---|
| CN212120380U true CN212120380U (en) | 2020-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020599103.5U Active CN212120380U (en) | 2020-04-20 | 2020-04-20 | Electrostatic precipitation subassembly and air purifier |
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| Country | Link |
|---|---|
| CN (1) | CN212120380U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111375492A (en) * | 2020-04-20 | 2020-07-07 | 珠海格力电器股份有限公司 | Electrostatic precipitation subassembly and air purifier |
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2020
- 2020-04-20 CN CN202020599103.5U patent/CN212120380U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111375492A (en) * | 2020-04-20 | 2020-07-07 | 珠海格力电器股份有限公司 | Electrostatic precipitation subassembly and air purifier |
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