CN206673760U - Automotive brushless generator - Google Patents
Automotive brushless generator Download PDFInfo
- Publication number
- CN206673760U CN206673760U CN201720346958.5U CN201720346958U CN206673760U CN 206673760 U CN206673760 U CN 206673760U CN 201720346958 U CN201720346958 U CN 201720346958U CN 206673760 U CN206673760 U CN 206673760U
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- muffler
- anechoic chamber
- sound
- pipe
- chamber
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Abstract
The utility model discloses a kind of automotive brushless generator, including housing, generator shaft is provided with housing, the rear end of generator shaft is fixedly connected with cooling fan, housing forward end offers some air intake through holes, housing corresponds to cooling fan position and offers air outlet hole, the rear end of housing is additionally provided with the muffler that noise reduction is carried out to the hot blast blown out in air outlet hole, diversion chamber is provided between muffler and air outlet hole, air outlet hole is arranged at the antetheca of diversion chamber, the rear wall of diversion chamber is connected with the air inlet of muffler, the inside of muffler has the first anechoic chamber and the second anechoic chamber, the blast pipe being connected with air inlet is provided with first anechoic chamber, sound-absorbing pipe is provided between first anechoic chamber and the second anechoic chamber, sound-absorbing pipe is set around blast pipe, second anechoic chamber is provided with some discharge pipes being connected with the air outlet.For the utility model is compared with conventional art, generator can be reduced to a certain extent because fan rotates the noise discharged at air outlet.
Description
Technical field
A kind of automotive brushless generator is the utility model is related to.
Background technology
Generator can produce substantial amounts of heat during operation so that the temperature inside generator body steeply rises.
If driving away the heat in generator body not in time, its temperature is set to drop in normal range (NR), continuous firing will burn
The components such as bad Inside coil.
In order to reduce heat caused by generator, method relatively conventional at present is on the generator shaft of generator
Fan is set, drives fan to rotate together by generator shaft, generator is played a part of necessarily to radiate.Such as Application No.
A kind of engine direct is disclosed in 201520753519.7 Chinese utility model patent application and drives brushless claw pole electric generator, including
N poles pawl pole, N poles pawl pole dorsal part, which is welded with fan, to be radiated to Exciting Windings for Transverse Differential Protection and armature winding, and cold wind is by generator housing
On circumference aperture enter, from end face, aperture blows out and takes away heat.But generator due to part vibration, friction with
And fan rotates etc. can produce certain noise, noise is blown out to engine from the end face aperture of generator housing with hot blast
Outside shell, so as to have certain noise pollution to external environment.
Utility model content
In view of the shortcomings of the prior art, the utility model provides a kind of automotive brushless generator, can be to a certain degree
The upper generator that reduces is because fan rotates the noise discharged at air outlet.
To achieve the above object, the utility model provides a kind of automotive brushless generator, including housing, is set in housing
There is generator shaft, the rear end of generator shaft is fixedly connected with cooling fan, and housing forward end offers some air intake through holes, housing pair
Cooling fan position is answered to offer air outlet hole, the rear end of housing is additionally provided with carries out noise reduction to the hot blast blown out in air outlet hole
Muffler, diversion chamber is provided between muffler and air outlet hole, air outlet hole is arranged at the antetheca of diversion chamber, diversion chamber
Rear wall is connected with the air inlet of muffler, and the inside of muffler has the first anechoic chamber and the second anechoic chamber, the first anechoic chamber
The blast pipe being connected with air inlet is inside provided with, sound-absorbing pipe, sound-absorbing pipe are provided between the first anechoic chamber and the second anechoic chamber
Set around blast pipe, the second anechoic chamber is provided with some discharge pipes being connected with the air outlet.
It is using the advantages of above-mentioned technical proposal：Generator is because part vibrates, friction and cooling fan rotate
Etc. can produce certain noise, and noise can be blown out with hot blast at the air outlet hole of housing to outside, so air-out is led to
Noise at hole is particularly evident, and the effect of noise is reduced by setting muffler to reach to a certain extent in the rear end of housing
Fruit；The setting of diversion chamber between muffler and air outlet hole, it is easy to make noise converge with hot blast and together from the air intake of muffler
Enter in mouthful, while diversion chamber can also play certain reduction hot blast temperature and deadening.Hot blast enters to from blast pipe
It can reduce its energy by the effect of sound-absorbing pipe, so as to reach through sound-absorbing pipe into the second anechoic chamber in first anechoic chamber
Reduce the effect of noise.
As further improvement of the utility model, one end of the blast pipe is bolted in the air inlet of muffler, enters
The other end of airduct is inserted in the first anechoic chamber, and one end of blast pipe is provided with the opening being connected with diversion chamber, blast pipe
The other end is circumferentially evenly equipped with multiple scattered wind through holes being connected with the first anechoic chamber close to end；One end spiral shell of the discharge pipe
It is connected at the air outlet of muffler, the other end of discharge pipe is inserted in the second anechoic chamber, and one end of blast pipe is provided with and the external world
The opening of connection, the other end of blast pipe are circumferentially evenly equipped with multiple scattered wind being connected with the second anechoic chamber close to end and led to
Hole.
It is using the advantages of above-mentioned technical proposal：The setting of wind through hole is dissipated on blast pipe and discharge pipe, is passing through hot blast
Play a part of being oriented to and reducing gas pulsation when dissipating wind through hole；Additionally due to sound-absorbing pipe is set around blast pipe, heat
Wind can spread, increase after the first anechoic chamber is entered by the scattered wind through hole of blast pipe to the sound-absorbing inside pipe wall to lie around
Contact surface between hot blast, so as to lift sound-absorbing effect.
As further improvement of the utility model, the rear end of the muffler offers a groove for being used to plug sound-absorbing pipe
Hole, the sound-absorbing pipe are inserted in muffler by the slotted eye, and muffler includes base, and base is fixedly connected with tubular and hollow out
Support, the periphery of support is fitted with by sound-absorbing and ventilative sound-absorbing cloth, preceding inwall and the support front end bolt of muffler,
Base and slotted eye bolt, the rear end of base is additionally provided with the grasping handle for hand-grip.
It is using the advantages of above-mentioned technical proposal：Due to being provided with sound-absorbing on sound-absorbing pipe and ventilative sound-absorbing cloth, hot blast exist
During entering the second anechoic chamber through sound-absorbing cloth, the booties such as the dust in hot blast can be attached to unavoidably on sound-absorbing cloth,
By using above-mentioned technical scheme, sound-absorbing pipe is installed on muffler by dismountable mode, be easy to staff regular
Sound-absorbing cloth is changed, prevent the radiating reduction after working long hours or noise exacerbation the problems such as；Support therein removes
Be used for the preceding inwall of muffler it is mutually fixed beyond be additionally operable to provide a supporting role for sound-absorbing cloth, base can be by the side of being spirally connected
Formula is connected with slotted eye, and the grasping handle that the rear end of base is set is easy to hand-grip to dismount sound-absorbing pipe.
As further improvement of the utility model, acoustical cotton is provided with the internal perisporium of second anechoic chamber.
It is using the advantages of above-mentioned technical proposal：Due to being provided with acoustical cotton on the internal perisporium of second anechoic chamber, heat
Wind collide when the acoustical cotton of the second noise reduction chamber interior walls can because with friction and reduce its energy, so as to improve erasure effect.
Brief description of the drawings
Fig. 1 is the sectional view of the utility model embodiment；
Fig. 2 is the partial enlarged drawing of part A in Fig. 1.
Embodiment
The embodiment of automotive brushless generator of the present utility model is as shown in Figure 1-2：Including housing 10, set in housing 1
There is generator shaft 11, the rear end of generator shaft 11 is fixedly connected with cooling fan 12, and the front end of housing 10 offers some air intakes and led to
Hole 14, the corresponding position of cooling fan 12 of housing 10 offer air outlet hole 15, and the rear end of housing 10 is additionally provided with to air outlet hole
The hot blast blown out in 15 carries out the muffler 2 of noise reduction, diversion chamber 13 is provided between muffler 2 and air outlet hole 15, air-out is led to
Hole 15 is arranged at the antetheca of diversion chamber 13, and the rear wall of diversion chamber 13 is connected with the air inlet of muffler 2, the inside of muffler 2
With the first anechoic chamber 21 and the second anechoic chamber 22, the blast pipe 211 being connected with air inlet is provided with the first anechoic chamber 21,
Sound-absorbing pipe 23 is provided between first anechoic chamber 21 and the second anechoic chamber 22, sound-absorbing pipe 23 is set around blast pipe 211, and second disappears
Tone chamber 22 is provided with some discharge pipes 221 being connected with the air outlet.
In the present embodiment, one end of the blast pipe 211 is bolted in the air inlet of muffler, blast pipe 211 it is another
One end is inserted in the first anechoic chamber 21, and one end of blast pipe 211 is provided with the opening being connected with diversion chamber 13, blast pipe 211
The other end multiple scattered wind through holes 210 being connected with the first anechoic chamber 21 are circumferentially evenly equipped with close to end；The discharge pipe
221 one end is bolted at the air outlet of muffler, and the other end of discharge pipe 221 is inserted in the second anechoic chamber 22, blast pipe
211 one end is provided with the opening that is in communication with the outside, and the other end of blast pipe 211 is circumferentially evenly equipped with multiple with second close to end
The scattered wind through hole 210 that anechoic chamber 22 is connected.
In the present embodiment, the rear end of the muffler offers a slotted eye 100 for being used to plug sound-absorbing pipe 23, the suction
Sound tube 23 is inserted in muffler by the slotted eye 100, and muffler includes base 231, and base 231 is fixedly connected with tubular and engraved
Empty support 232, the periphery of support 232 are fitted with by sound-absorbing and ventilative sound-absorbing cloth 233, the preceding inwall and support of muffler
Front end bolt, base 231 and the bolt of slotted eye 100, the rear end of base 231 is additionally provided with the grasping handle 234 for hand-grip.
In the present embodiment, it is provided with acoustical cotton 222 on the internal perisporium of second anechoic chamber 22.
One kind of above example, simply the utility model preferably specific embodiment, those skilled in the art are in this reality
It is included in the usual variations and alternatives carried out in new technique aspects in the scope of protection of the utility model.
Claims (4)
1. a kind of automotive brushless generator, including housing, generator shaft is provided with housing, the rear end of generator shaft is fixedly connected
There is cooling fan, housing forward end offers some air intake through holes, and housing corresponds to cooling fan position and offers air outlet hole, and it is special
Sign is：The rear end of housing is additionally provided with the muffler that noise reduction is carried out to the hot blast blown out in air outlet hole, muffler and air-out
Diversion chamber is provided between through hole, air outlet hole is arranged at the antetheca of diversion chamber, the rear wall of diversion chamber and the air inlet of muffler
It is connected, the inside of muffler has the first anechoic chamber and the second anechoic chamber, is provided with the first anechoic chamber and is connected with air inlet
Logical blast pipe, sound-absorbing pipe is provided between the first anechoic chamber and the second anechoic chamber, sound-absorbing pipe is set around blast pipe, and second disappears
Tone chamber is provided with some discharge pipes being connected with the air outlet.
2. according to the automotive brushless generator described in claim 1, it is characterised in that：One end of the blast pipe, which is bolted in, to disappear
The air inlet of sound device, the other end of blast pipe are inserted in the first anechoic chamber, and one end of blast pipe is provided with to be connected with diversion chamber
Logical opening, the other end of blast pipe are circumferentially evenly equipped with multiple scattered wind through holes being connected with the first anechoic chamber close to end；
One end of the discharge pipe is bolted at the air outlet of muffler, and the other end of discharge pipe is inserted in the second anechoic chamber, air intake
One end of pipe is provided with the opening being in communication with the outside, and the other end of blast pipe is circumferentially evenly equipped with multiple and the second noise reduction close to end
The scattered wind through hole that room is connected.
3. according to the automotive brushless generator described in claim 1 or 2, it is characterised in that：The rear end of the muffler opens up
There is a slotted eye for being used to plug sound-absorbing pipe, the sound-absorbing pipe is inserted in muffler by the slotted eye, and muffler includes base, bottom
Seat is fixedly connected with tubular and the support of hollow out, and the periphery of support is fitted with by sound-absorbing and ventilative sound-absorbing cloth, muffler
Preceding inwall and support front end bolt, base and slotted eye bolt, the rear end of base is additionally provided with the grasping handle for hand-grip.
4. according to the automotive brushless generator described in claim 3, it is characterised in that：On the internal perisporium of second anechoic chamber
It is provided with acoustical cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720346958.5U CN206673760U (en) | 2017-04-05 | 2017-04-05 | Automotive brushless generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720346958.5U CN206673760U (en) | 2017-04-05 | 2017-04-05 | Automotive brushless generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206673760U true CN206673760U (en) | 2017-11-24 |
Family
ID=60367815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720346958.5U Active CN206673760U (en) | 2017-04-05 | 2017-04-05 | Automotive brushless generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206673760U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113520085A (en) * | 2021-07-12 | 2021-10-22 | 山东商业职业技术学院 | Financial accounting reconciliation marking device |
-
2017
- 2017-04-05 CN CN201720346958.5U patent/CN206673760U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113520085A (en) * | 2021-07-12 | 2021-10-22 | 山东商业职业技术学院 | Financial accounting reconciliation marking device |
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