CN209488316U - A kind of outer rotor blower fan and its interior insulation system - Google Patents
A kind of outer rotor blower fan and its interior insulation system Download PDFInfo
- Publication number
- CN209488316U CN209488316U CN201822232436.XU CN201822232436U CN209488316U CN 209488316 U CN209488316 U CN 209488316U CN 201822232436 U CN201822232436 U CN 201822232436U CN 209488316 U CN209488316 U CN 209488316U
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- Prior art keywords
- outer rotor
- pedestal
- end cap
- stator
- blower fan
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Abstract
The utility model provides a kind of outer rotor blower fan and its interior insulation system, outer rotor blower fan includes pedestal, stator, outer rotor, main circuit board and heat dissipation end cap, the stator is equipped with the insulation cover for fixing the first connector, the end region of heat dissipation end cap described in the end region of stator described in face and face is molded with thermoplastic elastomer insulating layer by injection molding manner on the pedestal, and the inner surface for radiating end cap is molded with thermoplastic elastomer insulating layer also by injection molding manner.Compared to the prior art, the pedestal and radiating end cover and are molded insulating layer by injection molding manner the utility model, and the thickness of insulating layer more can stablize attachment together, improve insulating reliability.
Description
Technical field
The utility model relates to a kind of outer rotor blower fans, and in particular to a kind of outer rotor blower fan and its interior insulation system.
Background technique
The insulation of existing blower blower interior is mainly realized by two ways, first is that insulation processing is carried out on lead,
It is wrapped using enamel-cover lead or using insulating tape；Second is that carry out insulation processing on end cap, usually in inner wall spray insulation paint,
Or it is sticked heat insulating lamella.In above-mentioned insulation mode, paint using enameled wire and to end cap, paint layer is easily de- after grazing occurs
It falls, insulating reliability is poor；Relatively complicated using insulating tape and heat insulating lamella operation, time-consuming.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, the purpose of the utility model is to provide a kind of outer rotor blower fan and its
Interior insulation system.
In order to achieve the above objectives, the technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of outer rotor
The interior insulation system of blower, outer rotor blower fan include pedestal, stator, outer rotor, main circuit board and heat dissipation end cap, the pedestal
Center has the sleeve extended to an end face, and the stator is mounted on the periphery of sleeve, and the outer rotor includes cover and cover
The mandrel at center, the mandrel are mounted on the inner wall of the sleeve by bearing, and the heat dissipation end cap lid is set on the base
It carries on the back in the end face of stator, the main circuit board is set to the pedestal and radiates in the cavity that end cap is constituted；The stator is equipped with
For fixing the insulation cover of the first connector, radiate described in the end region of stator described in face and face on the pedestal
The end region of end cap is molded with insulating layer by injection molding manner, and the inner surface of the heat dissipation end cap is molded also by injection molding manner
There is insulating layer.
Compared to the prior art, the pedestal and radiating end cover and are molded insulating layer by injection molding manner the utility model,
The thickness of insulating layer more can stablize attachment together, improve insulating reliability.
Further, it is thermoplastic elastomer that the pedestal and radiating end, which cover the material of insulating layer,.
Using the above preferred scheme, thermoplastic elastomer has good elasticity, and has good heating conduction, can have
Help distributing in time for blower interior heat.
Further, the position that the first connector is fixed on the insulation cover has a protrusion, the protrusion it is outer
Wall fits with insulating layer on the pedestal, and the protrusion center has through slot, is provided with sealing element in the through slot, is used for
The connector of electrical connection is arranged in the inner hole of the sealing element.
Using the above preferred scheme, the sealing performance in heat radiation end cap, improves the reliable of electric components
Property.
Further, the inner hole of the sealing element be big at both ends and small in middle biconial structure, the middle position of inner hole with
First connector is fitted close to form sealing.
Using the above preferred scheme, sealing element inner hole is prevented at biconial convenient for the engagement of mold and sealing element when injection molding
Only sealing element inner reversible cycle, at the same be also convenient for the first connector in the seal wear installation.
Further, the stop portion of the heat dissipation end cap and base engagement is equipped with groove, is also molded in the groove absolutely
Edge layer, groove inner insulating layer end face are slightly above the seam allowance end face for the end cap that radiates.
Using the above preferred scheme, the sealing performance of radiating end lid and bottom seat junction is improved, water proof and dust proof is promoted
It can grade.
A kind of outer rotor blower fan, including pedestal, stator, outer rotor, main circuit board and heat dissipation end cap, the center of the pedestal
With the sleeve extended to an end face, the stator is mounted on the periphery of sleeve, and the outer rotor includes cover and cover center
Mandrel, the mandrel is mounted on the inner wall of the sleeve by bearing, the heat dissipation end cap lid set carry on the back on the base in
The end face of stator, the main circuit board are set to the pedestal and radiate in the cavity that end cap is constituted；Also use above-mentioned outer rotor
The interior insulation system of blower.
Further, further include one be mounted on the pedestal and radiate the constituted cavity of end cap in relaying line plate, calmly
The lead-out wire of sub- coiling through the first connector be electrically connected to it is described relayed line plate, it is described to relay line plate again through the second connector
It is electrically connected to the main circuit board.
Using the above preferred scheme, stator winding passes through the relay connection for relaying line plate, without carrying out complicated company
Wiring arrangement, is directly prewired on relaying line plate, improves wiring assembling convenience, reduce to insulating protection according to
Rely, overall performance is more reliable.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of embodiment of the utility model；
Fig. 2 is partial enlargement diagram at A in Fig. 1；
Fig. 3 is the structural schematic diagram of the utility model another embodiment；
Fig. 4 is partial enlargement diagram at B in Fig. 1.
The title of number and corresponding component represented by letter in figure:
1- pedestal；11- sleeve；12- insulating layer；2- stator；3- outer rotor；31- mandrel；4- relayed line plate；The main electricity of 5-
Road plate；6- heat dissipation end cap；61- insulating layer；62- groove；63- insulating layer end face；64- seam allowance end face；The first connector of 71-；
The second connector of 72-；8- insulation cover；81- protrusion；82- sealing element；821- inner hole.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1, a kind of interior insulation system of outer rotor blower fan, outer rotor blower fan includes pedestal 1, stator 2, outer rotor
3, main circuit board 5 and heat dissipation end cap 6, the center of pedestal 1 have the sleeve 11 extended to an end face, and stator 2 is mounted on sleeve 11
Periphery, the mandrel 31 of outer rotor 3 including cover and cover center, mandrel 31 is mounted on the inner wall of sleeve 11 by bearing, scattered
The lid of hot end lid 6 is located at back on pedestal 1, and, in the end face of stator 2, main circuit board 5 is set to the cavity that pedestal 1 and heat dissipation end cap 6 are constituted
It is interior；Stator 2 is equipped with insulation cover 8 for fixing the first connector 71, on pedestal 1 end region of face stator 2 and
The end region of face heat dissipation end cap 6 is molded with insulating layer 12 by injection molding manner, and the inner surface for the end cap 6 that radiates is also by injection molding
Mode is molded with insulating layer 61.
Beneficial effect by adopting the above technical scheme is: pedestal and radiating end cover and are molded insulating layer by injection molding manner,
The thickness of insulating layer more can stablize attachment together, improve insulating reliability.
In other embodiments of the utility model, the material of insulating layer is thermoplasticity on pedestal 1 and heat dissipation end cap 6
Rubber.Beneficial effect by adopting the above technical scheme is: thermoplastic elastomer has good elasticity, and has good thermal conductivity
Can, it can help to distributing in time for blower interior heat.
As shown in Fig. 2, fixing the first connector on insulation cover 8 in other embodiments of the utility model
Position has protrusion 81, and outer wall and the insulating layer 12 on pedestal 1 of protrusion 81 fit, and 81 center of protrusion has through slot,
It is provided with sealing element 82 in the through slot, the inner hole of sealing element 82 is arranged in for the first connector 71 of electrical connection.Using upper
The beneficial effect for stating technical solution is: the sealing performance in heat radiation end cap improves the reliability of electric components.
As shown in figure 3, the inner hole 821 of sealing element 82 is that both ends are big-and-middle in other embodiments of the utility model
Between small biconial structure, the middle position of inner hole 821 and the first connector 71 are fitted close and form sealing.Using above-mentioned technology
The beneficial effect of scheme is: sealing element inner hole prevents in sealing element at biconial convenient for the engagement of mold and sealing element when injection molding
Hole plug, at the same be also convenient for the first connector in the seal wear installation.
As shown in figure 4, in other embodiments of the utility model, the stop portion of heat dissipation end cap 6 and the cooperation of pedestal 1
Equipped with groove 62, insulating layer is also molded in groove 62, groove inner insulating layer end face 63 is slightly above the seam allowance end face for the end cap 6 that radiates
64.Beneficial effect by adopting the above technical scheme is: after radiating end lid and bottom seat lock is paid, the insulating layer end face being higher by is pressed on bottom
On seat, the sealing performance of radiating end lid and bottom seat junction is improved, promotes water proof and dust proof performance rate.
A kind of outer rotor blower fan, including pedestal 1, stator 2, outer rotor 3, main circuit board 5 and heat dissipation end cap 6, pedestal 1
Center has the sleeve 11 extended to an end face, and stator 2 is mounted on the periphery of sleeve 11, and outer rotor 3 includes in cover and cover
The mandrel 31 of the heart, mandrel 31 are mounted on the inner wall of sleeve 11 by bearing, and the heat dissipation lid of end cap 6, which is located on pedestal 1, to be carried on the back in stator 2
End face, main circuit board 5 be set to pedestal 1 and radiate end cap 6 constitute cavity in；Also using the interior exhausted of above-mentioned outer rotor blower fan
Edge structure.
It further include one being mounted on pedestal 1 and radiating end as shown in Figure 1, in other embodiments of the utility model
Relaying in the constituted cavity of lid 6 line plate 4, the lead-out wire of stator winding is electrically connected to through the first connector 71 relayed line plate
On 4, relayed line plate 4 and be electrically connected to main circuit board 5 through the second connector 72 again.Beneficial effect by adopting the above technical scheme
Be: stator winding passes through the relay connection for relaying line plate, without carrying out complicated connecting line arrangement, is directly relaying line plate
On be prewired, improve wiring assembling convenience, reduce dependence to insulating protection, overall performance is more reliable.
The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow the common skill in this field
Art personnel can understand the content of the utility model and be implemented, and not limit the protection scope of the present invention,
All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover in the protection scope of the utility model
It is interior.
Claims (7)
1. a kind of interior insulation system of outer rotor blower fan, which is characterized in that outer rotor blower fan includes pedestal, stator, outer rotor, master
Circuit board and heat dissipation end cap, the center of the pedestal have the sleeve extended to an end face, and the stator is mounted on the outer of sleeve
Week, the outer rotor include the mandrel of cover and cover center, and the mandrel is mounted on the inner wall of the sleeve, institute by bearing
It states heat dissipation end cap lid and sets and carried on the back on the base in the end face of stator, the main circuit board is set to the pedestal and heat dissipation end cap structure
At cavity in；The stator is equipped with the insulation cover for fixing the first connector, stator described in face on the pedestal
End region and face described in heat dissipation end cap end region insulating layer, the heat dissipation end cap are molded with by injection molding manner
Inner surface be molded with insulating layer also by injection molding manner.
2. the interior insulation system of outer rotor blower fan according to claim 1, which is characterized in that the pedestal and heat dissipation end cap
The material of upper insulating layer is thermoplastic elastomer.
3. the interior insulation system of outer rotor blower fan according to claim 1, which is characterized in that fixed on the insulation cover
The position of first connector has protrusion, and the outer wall of the protrusion fits with insulating layer on the pedestal, the protrusion
Portion center has through slot, is provided with sealing element in the through slot, the first connector for electrical connection is arranged in the sealing element
Inner hole.
4. the interior insulation system of outer rotor blower fan according to claim 3, which is characterized in that the inner hole of the sealing element is
The biconial structure of big at both ends and small in middle, the middle position of inner hole and the first connector are fitted close to form sealing.
5. the interior insulation system of outer rotor blower fan according to claim 1, which is characterized in that the heat dissipation end cap and pedestal
The stop portion of cooperation is equipped with groove, and insulating layer is also molded in the groove, and groove inner insulating layer end face is slightly above radiated
The seam allowance end face of end cap.
6. a kind of outer rotor blower fan, which is characterized in that described including pedestal, stator, outer rotor, main circuit board and heat dissipation end cap
The center of pedestal has the sleeve extended to an end face, and the stator is mounted on the periphery of sleeve, and the outer rotor includes cover
With the mandrel at cover center, the mandrel is mounted on the inner wall of the sleeve by bearing, and the heat dissipation end cap lid is located at described
In the end face of stator, the main circuit board is set to the pedestal and radiates in the cavity that end cap is constituted back on pedestal；Also using power
Benefit requires the interior insulation system of any outer rotor blower fan of 1-5.
7. outer rotor blower fan according to claim 6, which is characterized in that further include one being mounted on the pedestal and radiating end
Cover the relaying in constituted cavity line plate, the lead-out wire of stator winding be electrically connected to through the first connector and described relayed line
Plate, the line plate that relayed are electrically connected to the main circuit board through the second connector again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822232436.XU CN209488316U (en) | 2018-12-28 | 2018-12-28 | A kind of outer rotor blower fan and its interior insulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822232436.XU CN209488316U (en) | 2018-12-28 | 2018-12-28 | A kind of outer rotor blower fan and its interior insulation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209488316U true CN209488316U (en) | 2019-10-11 |
Family
ID=68128998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822232436.XU Active CN209488316U (en) | 2018-12-28 | 2018-12-28 | A kind of outer rotor blower fan and its interior insulation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209488316U (en) |
-
2018
- 2018-12-28 CN CN201822232436.XU patent/CN209488316U/en active Active
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