CN110071591B - Waterproof structure of fan - Google Patents
Waterproof structure of fan Download PDFInfo
- Publication number
- CN110071591B CN110071591B CN201910324421.2A CN201910324421A CN110071591B CN 110071591 B CN110071591 B CN 110071591B CN 201910324421 A CN201910324421 A CN 201910324421A CN 110071591 B CN110071591 B CN 110071591B
- Authority
- CN
- China
- Prior art keywords
- fan
- waterproof
- waterproof structure
- supporting piece
- structure according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000003292 glue Substances 0.000 claims abstract description 16
- 239000012790 adhesive layer Substances 0.000 claims description 13
- 239000010410 layer Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 10
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 238000005429 filling process Methods 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 230000003068 static effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- -1 Polypropylene Polymers 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 229920001707 polybutylene terephthalate Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention provides a waterproof structure of a fan, which comprises a frame body, a first support piece and a second support piece, wherein the frame body is provided with a base and a side wall; and the stator set is arranged on the base and is provided with an electric lead, the outside of the stator set is provided with a waterproof glue layer, the waterproof glue layer horizontally extends to a second supporting piece to be connected with the side wall, and the electric lead is arranged in the second supporting piece, so that a good waterproof effect is achieved.
Description
Technical Field
The invention relates to the field of fans, in particular to a waterproof structure of a fan.
Background
The fan Ma Dachang is used in severe working environments, such as high humidity, dust environment or severe environments with salt mist, and under such working environments, the stator part of the fan is easily damaged by a general fan, so that the fan cannot work normally.
In view of this, referring to fig. 1, a cross-sectional view of a conventional fan waterproof structure is shown, and the current practice is to encapsulate the entire stator set 9 by glue injection or integral injection to form a waterproof glue layer 91, so as to isolate the stator set from the external environment.
However, the current practice has the following problems:
the waterproof adhesive layer 91 covers the whole stator set 9, the electric wires extend outwards from the circuit board 94 in the stator set 9, and the main parts of the electric wires are exposed outside the waterproof adhesive layer, that is, only a small part of the electric wires are covered by the waterproof adhesive layer 91, so that the waterproof adhesive layer 91 is easily broken due to the pulling process of the electric wires in actual use, and then moisture invades the stator set 9 to cause damage.
The electric wire main body part of the stator group 9 is arranged on one rib or stator blade, and a semi-open accommodating groove 97 is formed on the rib or stator blade, so that the electric wire main body part needs to pass through the opening 96 of the base and is placed in the accommodating groove, and the electric wire is limited by the rib 93 (or stator blade) structure of the original base 92, so that excessive pulling of the electric wire is easily caused, and the outlet 95 of the waterproof adhesive layer 91 is broken, or the electric wire is excessively pulled to the wire placing body to break.
Accordingly, it is an urgent need to solve the above-mentioned problems and disadvantages, namely, the present inventors and related manufacturers who are engaged in the industry need to study and improve the above-mentioned problems and disadvantages.
Disclosure of Invention
In order to solve the above problems, the present invention provides a waterproof structure of a fan with good waterproof effect.
Another object of the present invention is to provide a waterproof structure for a fan that effectively reduces breakage of a circuit.
In order to achieve the above object, the present invention provides a waterproof structure of a fan, comprising:
a frame body having a base and a sidewall, wherein the base extends horizontally to form a plurality of first supporting members connected to the sidewall; and
The stator set is arranged on the base and is provided with an electric lead, the outside of the stator set is provided with a waterproof glue layer, the waterproof glue layer horizontally extends to a second supporting piece to be connected with the side wall, and the electric lead is arranged in the second supporting piece.
The waterproof structure of the fan, wherein: a shaft is vertically arranged at the center of the base, and the stator group is sleeved outside the shaft.
The waterproof structure of the fan, wherein: the first support is any one of a rib or a stationary blade.
The waterproof structure of the fan, wherein: the second support is any one of a rib or a stationary blade.
The waterproof structure of the fan, wherein: the plurality of first supporting members and the second supporting members form a complete rib structure or a static blade structure.
The waterproof structure of the fan, wherein: the waterproof adhesive layer is made by one of an adhesive filling process or a low-pressure injection integrated coating process.
The waterproof structure of the fan, wherein: the first supporting piece and the second supporting piece are made of the same or different materials.
The waterproof structure of the fan, wherein: the second supporting piece and the waterproof adhesive layer are made of the same or different materials.
The waterproof structure of the fan, wherein: the second support piece is provided with a first end and a second end, the first end is connected with the waterproof glue layer, and the second end is connected with the side wall of the ring.
Through the structure, the first supporting piece and the second supporting piece form a complete rib structure or a static blade structure, and the electric wires are completely wrapped in the second supporting piece, so that a good waterproof effect is achieved, and excessive pulling of the wires during assembly is avoided.
Drawings
FIG. 1 is an exploded schematic view of a conventional fan waterproof structure;
FIG. 2A is an exploded view of a waterproof structure of a fan according to the present invention;
FIG. 2B is a schematic diagram illustrating a waterproof structure of a fan according to the present invention;
FIG. 3A is a schematic top view of a frame of the present invention;
FIG. 3B is a schematic top view of a stator pack according to the present invention;
fig. 4 is an exploded view of a fan using the waterproof structure of the present invention.
Reference numerals illustrate: a frame 1; a base 11; a shaft tube 111; a side wall 12; a first support 13; a stator group 2; an electrical lead 21; a core 22; a coil 23; a waterproof adhesive layer 3; a second support 31; a first end 311; a second end 312; a rotor group 4; a hub 41; a vane 42; the combination area RC is reserved.
Detailed Description
The above objects of the present invention, as well as the structural and functional characteristics thereof, will be described in terms of the preferred embodiments of the present invention as illustrated in the accompanying drawings.
Referring to fig. 2A, 2B, 3A and 3B, which are an exploded view, a combined view, a top view of the frame of the present invention and a top view of the stator assembly of the present invention, the waterproof structure of the present invention mainly changes on the frame 1, the stator assembly 2 and the waterproof glue layer 3, improves the waterproof effect of the electric wires 21 near the stator assembly 2 and reduces the breakage problem of the wires during the wire drawing process.
The frame 1 comprises a base 11 and a side wall 12, the base 11 extends horizontally to form a plurality of first supporting members 13 connected with the side wall 12, a shaft 111 is vertically arranged at the center of the base 11, the stator set 2 is sleeved outside the shaft 111, and the first supporting members 13 can be any one of ribs or static blades.
The stator set 2 has an electrical conductor 21, a core 22 and a coil 23, the core 22 is formed by stacking a plurality of silicon steel sheets, for example and without limitation, the coil 23 is diffracted on the core 22, and the electrical conductor 21 is connected with the coil 23.
The waterproof glue layer 3 is disposed on the stator set 2 and covers the electrical wires 21, the iron core 22 and the coil 23, the waterproof glue layer 3 extends horizontally to form a second support member 31 connected with the side wall 12, the electrical wires 21 are disposed in the second support member 31, the waterproof glue layer 3 is made by one of a glue filling process or a low-pressure injection integrated covering process, and the second support member 31 can be any one of ribs or static blades.
The second supporting member 31 has a first end 311 and a second end 312, wherein the first end 311 is connected to the waterproof adhesive layer 3, and the second end 312 is connected to the annular sidewall 12.
Referring to fig. 3A and 3B, it is apparent that the first supporting members 13 of the frame 1 are not equidistantly disposed at intervals in fig. 3A, and have a larger opening on the right side, which is defined as the predetermined combination area RC, and in fig. 3B, it can be seen that the second supporting members 31 on the waterproof glue layer 3 correspond to the opening, and when the stator group 2 is disposed on the shaft 111, the second supporting members 31 are located in the predetermined combination area RC, and the first supporting members 13 and the second supporting members 31 form a complete rib structure or a stator blade structure, although in the present embodiment, the number of the first supporting members 13 is three, but in practice, not limited to this, the number may be arbitrarily changed according to the actual design.
For convenience of manufacture or structural strength, the second supporting member 31 and the waterproof adhesive layer 3 may be made of the same material or different materials, and the first supporting member 13 and the second supporting member 31 may be made of the same or different materials, for example, but not limited to Polypropylene (PP), ABS resin, polybutylene terephthalate (PBT) or other suitable materials, and when different materials are selected, the vibration frequencies generated between them are completely different due to the difference of the material characteristics, so that resonance and noise can be greatly reduced.
In brief, the distance between the outgoing line of the electric wire 21 and the inside of the stator group 2 is greatly increased, so that the waterproof performance is enhanced, the problem that the existing structure is easy to break to cause waterproof failure is solved, and in addition, the structure of the invention also improves the situation of excessive bending and wiring of the electric wire 21 during assembly, thereby achieving the problem of preventing the electric wire 21 from breaking.
Referring to fig. 4, for an exploded view of a fan employing the present invention, please refer to fig. 2A, 2B, 3A and 3B, the stator set 2 is first assembled with the frame 1, the rotor set 4 is inserted into the stator set 2, the rotor set 4 has an axle center (not shown), a hub 41 and a plurality of blades 42 disposed on the hub 41, and when the stator set 2 is energized, the rotor set 4 is driven to rotate, and fluid is caused to flow by the rotation of the plurality of blades 42.
In summary, the invention has the following advantages:
1. good waterproof effect;
2. the problem that the circuit is broken due to pulling is solved;
3. the problem of cracking of the waterproof adhesive layer is reduced;
4. reduce resonance and noise.
The above description is illustrative of the invention and is not to be construed as limiting, and it will be understood by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. A waterproof structure of a fan, comprising:
a frame body having a base and a sidewall, wherein the base extends horizontally to form a plurality of first supporting members connected to the sidewall; and
The stator set is arranged on the base and is provided with an electric lead, the outside of the stator set is provided with a waterproof glue layer, the waterproof glue layer horizontally extends to a second supporting piece to be connected with the side wall, the electric lead is arranged in the second supporting piece, and the plurality of first supporting pieces and the second supporting piece form a complete rib structure.
2. The fan waterproof structure according to claim 1, wherein: a shaft is vertically arranged at the center of the base, and the stator group is sleeved outside the shaft.
3. The fan waterproof structure according to claim 1, wherein: the first support is a rib.
4. The fan waterproof structure according to claim 1, wherein: the second support is a rib.
5. The fan waterproof structure according to claim 1, wherein: the waterproof adhesive layer is made by one of an adhesive filling process or a low-pressure injection integrated coating process.
6. The fan waterproof structure according to claim 1, wherein: the first supporting piece and the second supporting piece are made of the same or different materials.
7. The fan waterproof structure according to claim 1, wherein: the second supporting piece and the waterproof adhesive layer are made of the same or different materials.
8. The fan waterproof structure according to claim 1, wherein: the second support piece is provided with a first end and a second end, the first end is connected with the waterproof glue layer, and the second end is connected with the side wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910324421.2A CN110071591B (en) | 2019-04-22 | 2019-04-22 | Waterproof structure of fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910324421.2A CN110071591B (en) | 2019-04-22 | 2019-04-22 | Waterproof structure of fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110071591A CN110071591A (en) | 2019-07-30 |
| CN110071591B true CN110071591B (en) | 2024-04-12 |
Family
ID=67368468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910324421.2A Active CN110071591B (en) | 2019-04-22 | 2019-04-22 | Waterproof structure of fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110071591B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1189155A (en) * | 1997-09-11 | 1999-03-30 | Matsushita Electric Ind Co Ltd | Axial flow fan motor |
| CN2512150Y (en) * | 2001-11-21 | 2002-09-18 | 协禧电机股份有限公司 | Waterproof structure for brushless electric motor |
| TWI266469B (en) * | 2001-10-25 | 2006-11-11 | Adda Corp | Water-proof structure of brushless motor |
| CN107147239A (en) * | 2017-05-25 | 2017-09-08 | 合肥皖化电泵有限公司 | Motor lead-out wire structure with water-proof function |
| CN107181334A (en) * | 2017-05-19 | 2017-09-19 | 嘉善卡固电气设备有限公司 | Fan stator and its blower fan |
| CN209692474U (en) * | 2019-04-22 | 2019-11-26 | 深圳兴奇宏科技有限公司 | Fan waterproof construction |
-
2019
- 2019-04-22 CN CN201910324421.2A patent/CN110071591B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1189155A (en) * | 1997-09-11 | 1999-03-30 | Matsushita Electric Ind Co Ltd | Axial flow fan motor |
| TWI266469B (en) * | 2001-10-25 | 2006-11-11 | Adda Corp | Water-proof structure of brushless motor |
| CN2512150Y (en) * | 2001-11-21 | 2002-09-18 | 协禧电机股份有限公司 | Waterproof structure for brushless electric motor |
| CN107181334A (en) * | 2017-05-19 | 2017-09-19 | 嘉善卡固电气设备有限公司 | Fan stator and its blower fan |
| CN107147239A (en) * | 2017-05-25 | 2017-09-08 | 合肥皖化电泵有限公司 | Motor lead-out wire structure with water-proof function |
| CN209692474U (en) * | 2019-04-22 | 2019-11-26 | 深圳兴奇宏科技有限公司 | Fan waterproof construction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110071591A (en) | 2019-07-30 |
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