CN114499023A - Direct current series motor noise reduction device for wind power pitch control - Google Patents
Direct current series motor noise reduction device for wind power pitch control Download PDFInfo
- Publication number
- CN114499023A CN114499023A CN202011266830.0A CN202011266830A CN114499023A CN 114499023 A CN114499023 A CN 114499023A CN 202011266830 A CN202011266830 A CN 202011266830A CN 114499023 A CN114499023 A CN 114499023A
- Authority
- CN
- China
- Prior art keywords
- wall
- shell
- noise reduction
- motor body
- wind power
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- 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.)
- Pending
Links
- 238000013016 damping Methods 0.000 claims abstract description 12
- 241000883990 Flabellum Species 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000005284 excitation Effects 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 3
- 206010010904 Convulsion Diseases 0.000 description 2
- 230000036461 convulsion Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a noise reduction device of a direct-current series motor for wind power pitch control, which comprises a motor body, wherein a shell is arranged outside the motor body, damping sponge is bonded on the inner wall of the bottom of the shell, a supporting plate is bonded on the top of the damping sponge, spring rods distributed at equal intervals are fixedly connected to the top of the supporting plate, connecting plates are fixedly connected to the tops of the spring rods, fixing plates are welded to two ends of the top of the supporting plate, rubber plates are bonded to the outer walls of the two opposite sides of the two fixing plates, limiting plates are fixedly connected to the tops of the two fixing plates, and springs are fixedly connected to two ends of the top of the connecting plate. According to the invention, the spring rod and the spring can absorb and relieve the vibration of the motor body on the connecting plate, the rubber block can relieve the vibration collision between the motor body and the limiting plate, and the rubber plate can relieve the vibration collision between the connecting plate and the fixing plate.
Description
Technical Field
The invention relates to the technical field of motor noise reduction, in particular to a noise reduction device of a direct-current series motor for wind power pitch control.
Background
The working principle of the motor is that the magnetic field exerts force on current to rotate the motor. It is a device that converts electrical energy into mechanical energy. The traditional motor can generate larger noise during working, which not only influences the health of operators in a working environment, but also generates noise pollution to the surrounding environment.
The traditional noise reduction method is that a protective cover is generally arranged around a motor, damping cotton is adhered to the inside of the protective cover, but the heat dissipation performance of the inside of the protective cover is poor, and the motor collides with the protective cover through vibration and still generates great noise.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a noise reduction device of a direct-current series excitation motor for wind power pitch control.
In order to achieve the purpose, the invention adopts the following technical scheme:
a noise reduction device of a direct-current series motor for wind power pitch control comprises a motor body, wherein a shell is arranged outside the motor body, a damping sponge is bonded on the inner wall of the bottom of the shell, a supporting plate is bonded on the top of the damping sponge, spring rods which are distributed equidistantly are fixedly connected on the top of the supporting plate, connecting plates are fixedly connected on the tops of the spring rods, fixing plates are welded on the two ends of the top of the supporting plate, rubber plates are bonded on the outer walls of the two opposite sides of the two fixing plates, limiting plates are fixedly connected on the tops of the two fixing plates, springs are fixedly connected on the two ends of the top of the connecting plate and fixedly connected with the bottoms of the two limiting plates, fixing blocks are welded on the two ends of the inner wall of the top of the shell, a worm is rotatably connected on the two fixing blocks, an opening penetrating through the inner wall of the top is formed in the outer wall of the top of the shell, and the equal fixedly connected with cross support all around of open-ended inner wall, the center department of cross support rotates and is connected with the dwang, and the one end that the dwang is close to the cross support has cup jointed the flabellum.
Preferably, the outer wall of one side of the shell is provided with an opening, and the outer wall of the other side of the shell is provided with vent holes distributed equidistantly.
Preferably, the bottom of the motor body is fixedly arranged at the top of the connecting plate, and two ends of the connecting plate are in contact with the rubber plate.
Preferably, the outer wall of the opposite side of the limiting plate is bonded with rubber blocks, and the two rubber blocks are in contact with the motor body.
Preferably, belt pulleys are sleeved on one end of the worm and the output shaft of the motor body, and the two belt pulleys are connected in a belt transmission mode.
Preferably, the bottom of dwang has cup jointed the worm wheel, and worm wheel and worm intermeshing.
The invention has the beneficial effects that:
1. the vibration of the motor body on the connecting plate can be absorbed and relieved through the spring rod and the spring, the vibration collision between the motor body and the limiting plate can be relieved through the rubber block, the vibration collision between the connecting plate and the fixing plate can be relieved through the rubber plate, the vibration collision between the supporting plate and the shell can be relieved through the damping sponge, the vibration influence of the motor body on peripheral objects can be relieved, and the noise of the motor body generated through vibration can be reduced;
2. the output shaft of motor body rotates and drives the worm through two belt pulleys and rotate, and the worm rotates and drives the worm wheel and rotate, and the worm wheel rotates and drives the dwang and rotate, and the dwang rotates and drives the flabellum and rotate and go on convulsions to shell inside, can accelerate the inside air flow of shell, is favorable to dispelling the heat to the inside of shell, is favorable to maintaining the normal operation of motor body.
Drawings
Fig. 1 is a schematic side sectional structure view of a noise reduction device of a direct current series motor for wind power pitch control according to the present invention;
fig. 2 is a schematic side view of the periphery of a connecting plate of the noise reduction device of the direct-current series motor for wind power pitch control according to the present invention.
In the figure: the motor comprises a motor body 1, a shell 2, a damping sponge 3, a supporting plate 4, a spring rod 5, a connecting plate 6, a fixing plate 7, a rubber plate 8, a limiting plate 9, a spring 10, a fixing block 11, a worm 12, a cross bracket 13, a rotating rod 14, fan blades 15 and a worm wheel 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-2, a noise reduction device for a direct current series excitation motor for wind power pitch control comprises a motor body 1, a shell 2 is arranged outside the motor body 1, a damping sponge 3 is bonded on the inner wall of the bottom of the shell 2, an opening is formed in the outer wall of one side of the shell 2, vent holes distributed equidistantly are formed in the outer wall of the other side of the shell 2, a supporting plate 4 is bonded on the top of the damping sponge 3, spring rods 5 distributed equidistantly are fixedly connected to the top of the supporting plate 4, connecting plates 6 are fixedly connected to the tops of the spring rods 5, fixing plates 7 are welded to two ends of the top of the supporting plate 4, rubber plates 8 are bonded to the outer wall of one side of each of the two fixing plates 7 opposite to each other, limiting plates 9 are fixedly connected to the tops of the two fixing plates 7, and the bottom of the motor body 1 is fixedly mounted on the tops of the connecting plates 6, and both ends of the connecting plate 6 are contacted with the rubber plates 8, the outer wall of the opposite side of the limiting plate 9 is bonded with rubber blocks, and the two rubber blocks are both contacted with the motor body 1, the two ends of the top of the connecting plate 6 are both fixedly connected with springs 10, and the two springs 10 are both fixedly connected with the bottoms of the two limit plates 9, the vibration of the motor body 1 on the connecting plate 6 can be absorbed and relieved through the spring rod 5 and the spring 10, the rubber block can relieve the vibration collision between the motor body 1 and the limit plate 9, the rubber plate 8 can relieve the vibration collision between the connecting plate 6 and the fixing plate 7, the vibration collision between the supporting plate 4 and the shell 2 can be relieved through the damping sponge 3, so that the vibration influence of the motor body 1 on peripheral objects can be relieved, and the noise generated by the motor body 1 through vibration can be reduced;
fixed blocks 11 are welded at the two ends of the inner wall of the top of the shell 2, worm 12 is connected with the two fixed blocks 11 in a rotating mode, belt pulleys are sleeved on one ends of the worm 12 and the output shaft of the motor body 1, the two belt pulleys are connected through belt transmission, an opening penetrating through the inner wall of the top is formed in the outer wall of the top of the shell 2, cross supports 13 are fixedly connected with the periphery of the inner wall of the opening, a rotating rod 14 is connected at the center of each cross support 13 in a rotating mode, fan blades 15 are sleeved on one end, close to the cross supports 13, of each rotating rod 14, a worm wheel 16 is sleeved at the bottom end of each rotating rod 14, the worm wheels 16 are meshed with the worm 12, the output shaft of the motor body 1 is rotated through the two belt pulleys, the worm 12 is driven to rotate, the worm 12 rotates to drive the worm wheel 16 to rotate, the worm wheel 16 rotates to drive the rotating rod 14 to rotate to drive the fan blades 15 to rotate to suck air inside the shell 2, the air flow in the shell 2 can be accelerated, heat dissipation is facilitated in the shell 2, and normal operation of the motor body 1 is maintained.
The working principle is as follows: spring rod 5 and spring 10 can absorb the vibration of alleviating motor body 1 to the production of connecting plate 6, the vibration collision between motor body 1 and limiting plate 9 can be alleviated to the block rubber, the vibration collision between connecting plate 6 and fixed plate 7 can be alleviated to rubber slab 8, the vibration collision between backup pad 4 and shell 2 can be alleviated to shock attenuation sponge 3, and then alleviate the vibration influence that motor body 1 caused to peripheral object, motor body 1's output shaft rotates and drives worm 12 through two belt pulleys and rotate, worm 12 rotates and drives worm wheel 16 and rotate, worm wheel 16 rotates and drives dwang 14 and rotate, dwang 14 rotates and drives flabellum 15 and rotate and carry out convulsions to shell 2 inside, can accelerate the inside air flow of shell 2.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. A direct-current series excitation motor noise reduction device for wind power pitch control comprises a motor body (1) and is characterized in that a shell (2) is arranged outside the motor body (1), damping sponge (3) is bonded on the inner wall of the bottom of the shell (2), a supporting plate (4) is bonded on the top of the damping sponge (3), spring rods (5) distributed at equal intervals are fixedly connected on the top of the supporting plate (4), connecting plates (6) are fixedly connected on the tops of the spring rods (5), fixing plates (7) are welded on two ends of the top of the supporting plate (4), rubber plates (8) are bonded on the outer wall of one side, opposite to the two fixing plates (7), limiting plates (9) are fixedly connected on the tops of the two fixing plates (7), springs (10) are fixedly connected on two ends of the top of the connecting plate (6), and two springs (10) all with the bottom fixed connection of two limiting plates (9), fixed block (11) have all been welded at the top inner wall both ends of shell (2), and two fixed block (11) all rotate and be connected with worm (12), the opening that runs through the top inner wall is seted up to the top outer wall of shell (2), and equal fixedly connected with cross support (13) all around to open-ended inner wall, the center department of cross support (13) rotates and is connected with dwang (14), and dwang (14) have cup jointed flabellum (15) near the one end of cross support (13).
2. The direct-current series excited motor noise reduction device for the wind power pitch control according to claim 1, wherein an opening is formed in the outer wall of one side of the shell (2), and vent holes are formed in the outer wall of the other side of the shell (2) and are distributed equidistantly.
3. The direct-current series motor noise reduction device for the wind power pitch control according to claim 1, wherein the bottom of the motor body (1) is fixedly installed at the top of the connecting plate (6), and two ends of the connecting plate (6) are in contact with the rubber plate (8).
4. The direct-current series excited motor noise reduction device for the wind power pitch control according to claim 1, wherein rubber blocks are bonded to the outer wall of one side of the limiting plate (9) opposite to the outer wall of the limiting plate, and the two rubber blocks are in contact with the motor body (1).
5. The direct-current series motor noise reduction device for the wind power pitch control according to claim 1, wherein belt pulleys are sleeved on one end of the worm (12) and an output shaft of the motor body (1), and the two belt pulleys are in transmission connection through a belt.
6. The direct-current series motor noise reduction device for the wind power pitch control according to claim 1, wherein a worm wheel (16) is sleeved at the bottom end of the rotating rod (14), and the worm wheel (16) and the worm (12) are meshed with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011266830.0A CN114499023A (en) | 2020-11-13 | 2020-11-13 | Direct current series motor noise reduction device for wind power pitch control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011266830.0A CN114499023A (en) | 2020-11-13 | 2020-11-13 | Direct current series motor noise reduction device for wind power pitch control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114499023A true CN114499023A (en) | 2022-05-13 |
Family
ID=81491127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011266830.0A Pending CN114499023A (en) | 2020-11-13 | 2020-11-13 | Direct current series motor noise reduction device for wind power pitch control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114499023A (en) |
-
2020
- 2020-11-13 CN CN202011266830.0A patent/CN114499023A/en active Pending
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20220513 |
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| WD01 | Invention patent application deemed withdrawn after publication |