CN204061347U - A kind of blower Sound Attenuator - Google Patents
A kind of blower Sound Attenuator Download PDFInfo
- Publication number
- CN204061347U CN204061347U CN201420497935.0U CN201420497935U CN204061347U CN 204061347 U CN204061347 U CN 204061347U CN 201420497935 U CN201420497935 U CN 201420497935U CN 204061347 U CN204061347 U CN 204061347U
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- CN
- China
- Prior art keywords
- noise reduction
- bent plate
- emptying
- reduction bent
- silencing cavity
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- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of blower Sound Attenuator, and it belongs to blower field.Wherein blower Sound Attenuator comprises motor hot blast silencing cavity, emptying silencing cavity and by mutually separated with emptying silencing cavity for motor hot blast silencing cavity intermediate clapboard, the diapire of Sound Attenuator is provided with a motor hot blast air intake pipe connected with motor hot blast silencing cavity, the antetheca of Sound Attenuator is provided with an emptying intake grill connected with emptying silencing cavity.When adopting the utility model blower Sound Attenuator, gas all have passed through S type runner when flowing in motor hot blast silencing cavity and emptying silencing cavity two chambers respectively, silencing cotton is posted on the surface of S type runner, cooling air enters main frame cooling stators and rotators etc., the noise that rotor sends can along the pipeline of cooling air toward unofficial biography, absorbed through multiple reflections in S type runner, served good erasure effect.
Description
Technical field:
The utility model relates to a kind of blower Sound Attenuator, and it belongs to blower field.
Background technique:
Blower is widely used in the industry such as environmental protection, process industry, but conventional fan is when operation, motor and impeller can produce very large noise, and usually by arranging a silencing cavity in Sound Attenuator in existing blower, now motor hot blast enters into silencing cavity and carries out noise reduction.Simultaneously, when blower needs emptying before not reaching nominal pressure, emptying gas now is also enter into silencing cavity to carry out noise reduction, motor hot blast and the emptying gas drawback all in same Sound Attenuator during noise reduction is that the gas of emptying can enter motor hot blast silencing cavity due to pressure height and then go here and there in motor along motor hot blast air intake pipe, and the gas temperature of emptying is higher, cause motor can not proper heat reduction, motor can temperature raise.
Therefore, necessary the deficiency solving prior art is improved to prior art.
Model utility content:
The utility model, in order to overcome the deficiencies in the prior art, proposes a kind of by motor hot blast silencing cavity and the separated blower Sound Attenuator of emptying silencing cavity.
The utility model adopts following technological scheme: a kind of blower Sound Attenuator, it comprises motor hot blast silencing cavity, emptying silencing cavity, and by mutually separated with emptying silencing cavity for motor hot blast silencing cavity intermediate clapboard, the diapire of described Sound Attenuator is provided with a motor hot blast air intake pipe connected with motor hot blast silencing cavity, the antetheca of described Sound Attenuator is provided with an emptying intake grill connected with emptying silencing cavity, described motor hot blast silencing cavity comprises separated for its inner space the first noise reduction bent plate, second noise reduction bent plate and the 3rd noise reduction bent plate, on the rear wall that described first noise reduction bent plate is installed on described motor hot blast silencing cavity and sidewall, the diapire of described first noise reduction bent plate and motor hot blast silencing cavity and antetheca is alternate separates, on the antetheca that described second noise reduction bent plate is installed on motor hot blast silencing cavity and sidewall, the rear wall of described second noise reduction bent plate and motor hot blast silencing cavity is alternate to be separated, described second noise reduction bent plate is positioned at the top of the first noise reduction bent plate and alternately with the first noise reduction bent plate separates, on the antetheca that described 3rd noise reduction bent plate is installed on motor hot blast silencing cavity and sidewall, described 3rd noise reduction bent plate is close to the top of described second noise reduction bent plate, described emptying silencing cavity comprises separated for its inner space the first emptying noise reduction bent plate, second emptying noise reduction bent plate and the 3rd emptying noise reduction bent plate, on the sidewall that described first emptying noise reduction bent plate is welded in emptying silencing cavity and diapire, the antetheca of the first emptying noise reduction bent plate and emptying silencing cavity is alternate to be separated, second emptying noise reduction bent plate is welded on the sidewall of emptying silencing cavity, second emptying noise reduction bent plate is positioned at the rear of described first emptying noise reduction bent plate and alternately with the first emptying noise reduction bent plate separates, second emptying noise reduction bent plate and emptying silencing cavity diapire and rear wall is alternate separates, 3rd emptying noise reduction bent plate is positioned at the top of the second emptying noise reduction bent plate, and together with the 3rd emptying noise reduction bent plate is close to the second emptying noise reduction bent plate, 3rd emptying noise reduction bent plate is alternate with the first emptying noise reduction bent plate to be separated.
Further, between described 3rd noise reduction bent plate and motor hot blast silencing cavity rear wall, distance separately to equal between the second noise reduction bent plate and motor hot blast silencing cavity rear wall distance separately.
Further, described first noise reduction bent plate is identical with the structure of the second noise reduction bent plate.
Further, silencing cotton is posted on the surface of described first noise reduction bent plate, the second noise reduction bent plate, the 3rd noise reduction bent plate.
Further, between described second emptying noise reduction bent plate and emptying silencing cavity rear wall, distance separately to equal between the 3rd emptying noise reduction bent plate and emptying silencing cavity rear wall distance separately.
Further, described first emptying noise reduction bent plate is identical with the structure of the second emptying noise reduction bent plate.
Further, silencing cotton is posted on the surface of described first emptying noise reduction bent plate, the second emptying noise reduction bent plate and the 3rd emptying noise reduction bent plate.
The utility model has following beneficial effect: when adopting the utility model blower Sound Attenuator, gas all have passed through S type runner when flowing in motor hot blast silencing cavity and emptying silencing cavity two chambers respectively, silencing cotton is posted on the surface of S type runner, cooling air enters main frame cooling stators and rotators etc., the noise that rotor sends can along the pipeline of cooling air toward unofficial biography, absorbed through multiple reflections in S type runner, served good erasure effect.
Accompanying drawing illustrates:
Fig. 1 is the three-dimensional structure diagram of the utility model blower Sound Attenuator.
Another view stereo structural drawing that Fig. 2 is the Sound Attenuator of blower shown in Fig. 1.
Fig. 3 is the sectional view of the motor hot blast silencing cavity in the Sound Attenuator of blower shown in Fig. 1.
Fig. 4 is the structural drawing of the first noise reduction bent plate in motor hot blast silencing cavity and the second noise reduction bent plate.
Fig. 5 is the structural drawing of the 3rd noise reduction bent plate in motor hot blast silencing cavity,
Fig. 6 is gas flow schematic diagram in motor hot blast silencing cavity.
Fig. 7 is the sectional view of the emptying silencing cavity in the Sound Attenuator of blower shown in figure.
Fig. 8 is the structural drawing of the first emptying noise reduction bent plate and the second emptying noise reduction bent plate in emptying silencing cavity.
Fig. 9 is the structural drawing of the 3rd emptying noise reduction bent plate in emptying silencing cavity.
Figure 10 is gas flow schematic diagram in emptying silencing cavity.
Wherein:
1-motor hot blast silencing cavity; 2-emptying silencing cavity; 3-motor hot blast air intake pipe; 4-emptying intake grill; 5-intermediate clapboard; 6-first noise reduction bent plate; 60-first screw; 7-second noise reduction bent plate; 70-second screw; 8-the 3rd noise reduction bent plate; 80-the 3rd noise reduction bent plate antetheca; 81-the 3rd noise reduction bent plate sidewall; 82-the 3rd noise reduction bent plate rear wall; 83-supporting element; 84-the 3rd screw; 9-first emptying noise reduction bent plate; 90-first emptying noise reduction bent plate antetheca; 91-first emptying noise reduction bent plate sidewall; 92-first emptying noise reduction bent plate rear wall; 93-joint; 10-second emptying noise reduction bent plate; 11-the 3rd emptying noise reduction bent plate; 110-the 3rd emptying noise reduction bent plate roof; 111-the 3rd emptying noise reduction bent plate sidewall; 112-the 3rd emptying noise reduction bent plate rear wall; 113-the 3rd emptying noise reduction bent plate antetheca; 114-the 4th screw; 115-the 3rd emptying noise reduction bent plate diapire.
Embodiment:
Please refer to shown in Fig. 1 and Fig. 2, the utility model blower Sound Attenuator comprises motor hot blast silencing cavity 1, emptying silencing cavity 2 and by mutually separated to motor hot blast silencing cavity 1 and emptying silencing cavity 2 intermediate clapboard 5.On the diapire of Sound Attenuator, be wherein provided with a motor hot blast air intake pipe 3 connected with motor hot blast silencing cavity 1, the antetheca of Sound Attenuator is provided with an emptying intake grill 4 connected with emptying silencing cavity 2.
Please refer to shown in Fig. 3 to Fig. 5, include three altogether by separated for the inner space of motor hot blast silencing cavity 1 noise reduction bent plate in motor hot blast silencing cavity 1, wherein noise reduction bent plate herein comprises the first noise reduction bent plate 6, second noise reduction bent plate 7 and the 3rd noise reduction bent plate 8.Wherein the first noise reduction bent plate 6 is identical with the structure of the second noise reduction bent plate 7, below for the first noise reduction bent plate 6, and the concrete structure setting forth the first noise reduction bent plate 6.The shape of the first noise reduction bent plate 6 is rectangular-shaped structure, and the first noise reduction bent plate 6 for upper and lower surface hollow out and inside is also the structure of hollow shape, be provided with one in the inside of the first noise reduction bent plate 6 and be welded on the first noise reduction bent plate 6 madial wall and the first noise reduction bent plate 6 be divided into the dividing plate (sign) of upper and lower two parts.The two side of the first noise reduction bent plate 6 is formed several first screws 60.Same, the shape of the second noise reduction bent plate 7 and structure can with reference to the shape of the first noise reduction bent plate 6 and structures.
3rd noise reduction bent plate 8 comprise the 3rd noise reduction bent plate antetheca 80, from two ends of the 3rd noise reduction bent plate antetheca 80 bend backward extend to form two the 3rd noise reduction bent plate sidewalls 81, to bend inwards along the direction parallel with the 3rd noise reduction bent plate antetheca 80 from the end of two the 3rd noise reduction bent plate sidewalls 81 two the 3rd noise reduction bent plate rear walls 82 extended to form, wherein the end of two the 3rd noise reduction bent plate rear walls 82 is alternate separates.The inwall of the 3rd noise reduction bent plate antetheca 80 is provided with one " work " font supporting element 83, the 3rd noise reduction bent plate antetheca 80 and the 3rd noise reduction bent plate sidewall 81 are all formed with several the 3rd screws 84.
On the rear wall internal face first noise reduction bent plate 6 being installed on motor hot blast silencing cavity simultaneously by the first screw 60 in the motor hot blast silencing cavity of the utility model Sound Attenuator and sidewall internal face, now the first noise reduction bent plate 6 is alternate with the antetheca internal face of motor hot blast silencing cavity separates.On the antetheca internal face second noise reduction bent plate 7 being installed on motor hot blast silencing cavity simultaneously by the second screw 70 and sidewall internal face, now the second noise reduction bent plate 7 is alternate with the rear wall internal face of motor hot blast silencing cavity separates, and the second noise reduction bent plate 7 is in the top position of the first noise reduction bent plate 6 and alternately between the second noise reduction bent plate 7 and the first noise reduction bent plate 6 separate.On the antetheca internal face 3rd noise reduction bent plate 8 being installed on motor hot blast silencing cavity simultaneously by the 3rd screw 84 and sidewall internal face, wherein the 3rd noise reduction bent plate antetheca 80 is installed on the antetheca internal face of motor hot blast silencing cavity, and the 3rd noise reduction bent plate 8 to be positioned at above the second noise reduction bent plate 7 and together with the 3rd noise reduction bent plate 8 is close to the second noise reduction bent plate 7.Between 3rd noise reduction bent plate 8 and motor hot blast silencing cavity rear wall internal face, distance separately to equal between the second noise reduction bent plate 7 and motor hot blast silencing cavity rear wall internal face distance separately.
Please refer to Fig. 3 to Fig. 5 and shown in composition graphs 6, in motor hot blast silencing cavity, gas flow is as follows: motor hot blast air intake pipe 3-flows through outside the gap-outflow motor hot blast silencing cavity between the 3rd noise reduction bent plate 8 and motor hot blast silencing cavity rear wall internal face of the gap between the second noise reduction bent plate 7 and motor hot blast silencing cavity rear wall internal face, the gap between the second noise reduction bent plate 7 and the first noise reduction bent plate 6, the gap between the first noise reduction bent plate 6 and motor hot blast silencing cavity antetheca internal face, gap between the first noise reduction bent plate 6 and motor hot blast silencing cavity diapire internal face-flow through-flow through-flow through-flow through.
Please refer to shown in Fig. 7, include three in emptying silencing cavity 2 altogether by separated for the inner space of emptying silencing cavity 2 emptying noise reduction bent plate, wherein emptying noise reduction bent plate herein comprises the first emptying noise reduction bent plate 9, second emptying noise reduction bent plate 10 and the 3rd emptying noise reduction bent plate 11.Wherein the first emptying noise reduction bent plate 9 is identical with the structure of the second emptying noise reduction bent plate 10, below for the first emptying noise reduction bent plate 9, and the concrete structure setting forth the first emptying noise reduction bent plate 9.First emptying noise reduction bent plate 9 comprises the first emptying noise reduction bent plate antetheca 90, bend from two ends of the first emptying noise reduction bent plate antetheca 90 the first emptying noise reduction bent plate sidewall 91 of extending to form backward and bend from the end of two the first emptying noise reduction bent plate sidewalls 91 two the first emptying noise reduction bent plate rear walls 92 extended to form along the direction parallel with the first emptying noise reduction bent plate antetheca 90, and connect two the first emptying noise reduction bent plate rear walls 92 and the joint 93 paralleled with the first emptying noise reduction bent plate antetheca 90, wherein the first emptying noise reduction bent plate 9 and the second emptying noise reduction bent plate 10 are welded in emptying silencing cavity.
3rd emptying noise reduction bent plate 11 comprises the 3rd emptying noise reduction bent plate roof 110, upwards bends two the 3rd emptying noise reduction bent plate sidewalls 111 extended to form, the 3rd emptying noise reduction bent plate antetheca 113 and the 3rd emptying noise reduction bent plate rear wall 112 extended to form respectively to lower bending from front and back two end of the 3rd emptying noise reduction bent plate roof from left and right two end of the 3rd emptying noise reduction bent plate roof 110.To bend inwards along the direction parallel with the 3rd emptying noise reduction bent plate roof 110 respectively two the 3rd emptying noise reduction bent plate diapires 115 extended to form from the 3rd emptying noise reduction bent plate rear wall 112 and the end of the 3rd emptying noise reduction bent plate antetheca 113, wherein the end of two the 3rd emptying noise reduction bent plate diapires 115 is alternate separates.3rd emptying noise reduction bent plate sidewall 111 is formed several and the 3rd emptying noise reduction bent plate 11 is installed on the 4th screw 114 on emptying silencing cavity sidewall.
To please refer to shown in Fig. 7 to Fig. 9 and in conjunction with shown in Figure 10, first emptying noise reduction bent plate 9 is welded on the sidewall internal face of emptying silencing cavity 2, first emptying noise reduction bent plate antetheca 90 parallels with the antetheca of emptying silencing cavity, the lower limb of the first emptying noise reduction bent plate antetheca 90 is close to the diapire internal face of emptying silencing cavity 2, and alternately between the first emptying noise reduction bent plate antetheca 90 and emptying intake grill 4 is separated with a segment distance.The sidewall internal face that second emptying noise reduction bent plate 10 is welded in emptying silencing cavity 2 is positioned at the rear of the first emptying noise reduction bent plate 9, alternately between second emptying noise reduction bent plate 10 and the first emptying noise reduction bent plate 9 to separate, first emptying noise reduction bent plate antetheca parallels setting with the second emptying noise reduction bent plate antetheca, alternately between second emptying noise reduction bent plate antetheca lower limb and the diapire internal face of emptying silencing cavity to separate, simultaneously alternately between the joint of the second emptying noise reduction bent plate and the rear wall internal face of emptying silencing cavity to separate.3rd emptying noise reduction bent plate 11 is installed on the sidewall of emptying silencing cavity by the 4th screw 114,3rd emptying noise reduction bent plate 11 is positioned at the top of the second emptying noise reduction bent plate 10, and together with the 3rd emptying noise reduction bent plate 11 is close to the second emptying noise reduction bent plate 10, the 3rd emptying noise reduction bent plate 11 is alternate with the first emptying noise reduction bent plate 9 to be separated.Wherein the 3rd emptying noise reduction bent plate antetheca 113 is close on the antetheca internal face of emptying silencing cavity, and the 3rd emptying noise reduction bent plate rear wall 112 vertically aligns mutually with the joint of the second emptying noise reduction bent plate.
To please refer to shown in Fig. 7 to Fig. 9 and in conjunction with shown in Figure 10, in emptying silencing cavity, gas flow is as follows: outside gap-the first emptying noise reduction bent plate 9 between emptying intake grill-emptying silencing cavity antetheca internal face and the first emptying noise reduction bent plate 9 and gap-the first emptying noise reduction bent plate 9 between the 3rd emptying noise reduction bent plate 11 and gap-the second emptying noise reduction bent plate 10 between the second emptying noise reduction bent plate 10 and gap-the second emptying noise reduction bent plate 10 before emptying silencing cavity diapire internal face and the gap-three emptying noise reduction bent plate 11 between emptying silencing cavity rear wall internal face and the gap-outflow emptying silencing cavity between emptying silencing cavity rear wall internal face.
As further improvement of the utility model, can silencing cotton be posted and then strengthen erasure effect further on the surface of noise reduction bent plate and emptying noise reduction bent plate.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art, can also make some improvement under the prerequisite not departing from the utility model principle, these improvement also should be considered as protection domain of the present utility model.
Claims (7)
1. a blower Sound Attenuator, it comprises motor hot blast silencing cavity (1), emptying silencing cavity (2), and by motor hot blast silencing cavity (1) and emptying silencing cavity (2) mutually separated intermediate clapboard (5), it is characterized in that: on the diapire of described Sound Attenuator, be provided with a motor hot blast air intake pipe (3) connected with motor hot blast silencing cavity (1), the antetheca of described Sound Attenuator is provided with an emptying intake grill (4) connected with emptying silencing cavity (2), described motor hot blast silencing cavity (1) comprises separated for its inner space the first noise reduction bent plate (6), second noise reduction bent plate (7) and the 3rd noise reduction bent plate (8), on the rear wall that described first noise reduction bent plate (6) is installed on described motor hot blast silencing cavity (1) and sidewall, the diapire of described first noise reduction bent plate (6) and motor hot blast silencing cavity (1) and antetheca is alternate separates, on the antetheca that described second noise reduction bent plate (7) is installed on motor hot blast silencing cavity (1) and sidewall, the rear wall of described second noise reduction bent plate and motor hot blast silencing cavity (1) is alternate to be separated, described second noise reduction bent plate (7) is positioned at the top of the first noise reduction bent plate (6) and alternately with the first noise reduction bent plate (6) separates, on the antetheca that described 3rd noise reduction bent plate (8) is installed on motor hot blast silencing cavity (1) and sidewall, described 3rd noise reduction bent plate (8) is close to the top of described second noise reduction bent plate (7), described emptying silencing cavity (2) comprises separated for its inner space the first emptying noise reduction bent plate (9), second emptying noise reduction bent plate (10) and the 3rd emptying noise reduction bent plate (11), on the sidewall that described first emptying noise reduction bent plate (9) is welded in emptying silencing cavity (2) and diapire, first emptying noise reduction bent plate (9) is alternate with the antetheca of emptying silencing cavity (2) to be separated, second emptying noise reduction bent plate (10) is welded on the sidewall of emptying silencing cavity (2), second emptying noise reduction bent plate (10) is positioned at the rear of described first emptying noise reduction bent plate (9) and alternately with the first emptying noise reduction bent plate (9) separates, second emptying noise reduction bent plate (10) and emptying silencing cavity (2) diapire and rear wall is alternate separates, 3rd emptying noise reduction bent plate (11) is positioned at the top of the second emptying noise reduction bent plate (10), and together with the 3rd emptying noise reduction bent plate (11) is close to the second emptying noise reduction bent plate (10), 3rd emptying noise reduction bent plate (11) is alternate with the first emptying noise reduction bent plate (9) to be separated.
2. blower Sound Attenuator as claimed in claim 1, is characterized in that: between described 3rd noise reduction bent plate (8) and motor hot blast silencing cavity rear wall, distance separately to equal between the second noise reduction bent plate (7) and motor hot blast silencing cavity rear wall distance separately.
3. blower Sound Attenuator as claimed in claim 2, is characterized in that: described first noise reduction bent plate (6) is identical with the structure of the second noise reduction bent plate (7).
4. blower Sound Attenuator as claimed in claim 2 or claim 3, is characterized in that: silencing cotton is posted on the surface of described first noise reduction bent plate (6), the second noise reduction bent plate (7), the 3rd noise reduction bent plate (8).
5. blower Sound Attenuator as claimed in claim 1, is characterized in that: between described second emptying noise reduction bent plate (10) and emptying silencing cavity (2) rear wall, distance separately to equal between the 3rd emptying noise reduction bent plate (11) and emptying silencing cavity (2) rear wall distance separately.
6. blower Sound Attenuator as claimed in claim 5, is characterized in that: described first emptying noise reduction bent plate (9) is identical with the structure of the second emptying noise reduction bent plate (10).
7. the blower Sound Attenuator as described in claim 5 or 6, is characterized in that: silencing cotton is posted on the surface of described first emptying noise reduction bent plate (9), the second emptying noise reduction bent plate (10) and the 3rd emptying noise reduction bent plate (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420497935.0U CN204061347U (en) | 2014-08-29 | 2014-08-29 | A kind of blower Sound Attenuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420497935.0U CN204061347U (en) | 2014-08-29 | 2014-08-29 | A kind of blower Sound Attenuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204061347U true CN204061347U (en) | 2014-12-31 |
Family
ID=52202873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420497935.0U Withdrawn - After Issue CN204061347U (en) | 2014-08-29 | 2014-08-29 | A kind of blower Sound Attenuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204061347U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104165164A (en) * | 2014-08-29 | 2014-11-26 | 南京磁谷科技有限公司 | Sound reducing enclosure of air blower and sound reducing method of sound reducing enclosure of air blower |
-
2014
- 2014-08-29 CN CN201420497935.0U patent/CN204061347U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104165164A (en) * | 2014-08-29 | 2014-11-26 | 南京磁谷科技有限公司 | Sound reducing enclosure of air blower and sound reducing method of sound reducing enclosure of air blower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141231 Effective date of abandoning: 20160420 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |