CN202970854U - External silencer for variable-frequency generator set - Google Patents
External silencer for variable-frequency generator set Download PDFInfo
- Publication number
- CN202970854U CN202970854U CN 201220515393 CN201220515393U CN202970854U CN 202970854 U CN202970854 U CN 202970854U CN 201220515393 CN201220515393 CN 201220515393 CN 201220515393 U CN201220515393 U CN 201220515393U CN 202970854 U CN202970854 U CN 202970854U
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- hole
- baffler
- variable
- flange
- power generation
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Abstract
The utility model relates to an external silencer for a variable-frequency generator set. The external silencer comprises an outer sleeve, wherein a front-side baffle is arranged on one side of the outer sleeve, and a rear-side baffle is arranged on the other side; a first clapboard, a second clapboard and a third clapboard are arranged in the outer sleeve; a first hole and a second hole are formed in the front-side baffle; a third hole, a fourth hole, a fifth hole and sixth hole are formed in the first clapboard; a second hole, an eighth hole, a ninth hole and a tenth hole are formed in the second clapboard; and an eleventh hole and a twelfth hole are formed in the third clapboard. The external silencer further comprises a silencer air intake pipe and a silencer air discharge pipe, wherein the silencer air intake pipe penetrates the first hole and the third hole; the silencer air discharge pipe penetrates the second hole, the fourth hole, the eighth hole and the eleventh hole; a first inner-cavity round pipe is arranged on the sixth hole; a second inner-cavity round pipe is arranged on the fifth hole, the ninth hole and the twelfth hole; a third inner-cavity round pipe is arranged on the tenth hole; and the seventh hole is a through hole and is on the same straight line with the third hole.
Description
Technical field
The utility model relates to a kind of variable-frequency power generation unit, relates in particular to the noise-reducing structure of this variable-frequency power generation unit.
Background technique
Noise pollution is a kind of as environmental pollution, has become the harm greatly to the mankind.Noise not only causes the injury of hearing impairment, cardiovascular, and also influential to sleep and psychology.How in the power of not loss unit, reduce again the generator set noise, this is the problem that industry is concerned about always.
China Patent No. is the cooling system that ZL201020565523.8 discloses a kind of variable-frequency power generation unit.
This invention is arranged in baffler below cylinder head.There is following drawback in this structure: the one, and because causing the baffler heat, this layout is delivered to cylinder head, and make cylinder head overheated, power descends, and reduce working life; The 2nd, due to spatial constraints below cylinder head, make the baffler volume less than normal, noise reduction is not good.The 3rd, because being arranged in cylinder head below with baffler, office causes cylinder head below airflow obstruction.Can't make the in time efficient discharge of heat of cylinder head itself.
Summary of the invention
The utility model technical issues that need to address have been to provide a kind of externally connected type baffler of variable-frequency power generation unit, are intended to solve the above problems.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:
Externally connected type baffler of the present utility model comprises: outer sleeve and the thermal baffle that is placed in the outer sleeve surface; Lateral retaining plate before a side of described outer sleeve is provided with, opposite side is provided with rear lateral retaining plate; Settle successively the first dividing plate, second partition and the 3rd dividing plate in described outer sleeve, between front lateral retaining plate and rear lateral retaining plate; Form first cavity between described the 3rd dividing plate and second partition; Form second cavity between described second partition and the first dividing plate; Form the 3rd cavity between described the first dividing plate and front lateral retaining plate; Form the 4th cavity between described the 3rd dividing plate and rear lateral retaining plate; Have the first hole and the second hole on described front lateral retaining plate; Have the 3rd hole, the 4th hole, the 5th hole and the 6th hole on described the first dividing plate; Have seven apertures in the human head, octal, the 9th hole and the tenth hole on described second partition; Have eleven holes and the 12 hole on described the 3rd dividing plate; Also comprise: the baffler suction tude that is connected with the variable-frequency power generation unit and baffler steam outlet pipe; Described baffler suction tude is passed the first hole and the 3rd hole; Described baffler steam outlet pipe passes the second hole, the 4th hole, octal and eleven holes; Settle one first inner chamber pipe on described the 6th hole; Settle the second inner chamber pipe on described the 5th hole, the 9th hole and the 12 hole; Settle the 3rd inner chamber pipe on described the tenth hole; Described seven apertures in the human head is a through hole, with the 3rd hole in a straight line.
Compared with prior art, the beneficial effects of the utility model are: the first, baffler is carried out independent layout, and be not subjected to the restriction in space, can rationally determine its boundary dimension according to the needs of unit noise reduction, provide sufficient technical support for reducing noise.The second, greatly improve the specific power of product, effectively avoided the baffler heat to be delivered to cylinder head, make cylinder head overheated, power descends, the hidden danger that reduce working life; The 3rd, due to adopting flexible pipe to connect between baffler and motor, greatly solved the impact of engine luggine on baffler; The 4th, because baffler is set to detachablely, be convenient to further reduce Package size, reduce costs, improve product competitive ability.
Description of drawings
Fig. 1 is the installation design sketch of the externally connected type baffler of the utility model variable-frequency power generation unit.
Fig. 2 is the exploded perspective view of the externally connected type baffler of the utility model variable-frequency power generation unit.
Fig. 3 is the air-flow schematic diagram of the externally connected type baffler of the utility model variable-frequency power generation unit.
Fig. 4 is the scheme of installation of the externally connected type baffler of the utility model variable-frequency power generation unit.
Fig. 5 is a cooling schematic diagram of the utility model motor.
Fig. 6 is another cooling schematic diagram of the utility model motor.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail:
To shown in Figure 6, the utility model comprises as Fig. 1: outer sleeve 11 and the thermal baffle 10 that is placed in outer sleeve 11 surfaces; Lateral retaining plate 5 before a side of described outer sleeve 11 is provided with, opposite side are provided with rear lateral retaining plate 12; Settle successively the first dividing plate 6, second partition 8 and the 3rd dividing plate 9 in described outer sleeve 11, between front lateral retaining plate 5 and rear lateral retaining plate 12; Form first cavity A between described the 3rd dividing plate 9 and second partition 8; Form second cavity B between described second partition 8 and the first dividing plate 6; Form the 3rd cavity C between described the first dividing plate 6 and front lateral retaining plate 5; Form the 4th cavity D between described the 3rd dividing plate 9 and rear lateral retaining plate 12; Have the first hole and the second hole on described front lateral retaining plate 5; Have the 3rd hole, the 4th hole, the 5th hole and the 6th hole on described the first dividing plate 6; Have seven apertures in the human head, octal, the 9th hole and the tenth hole on described second partition 8; Have eleven holes and the 12 hole on described the 3rd dividing plate 9; Also comprise: the baffler suction tude 4 that is connected with the variable-frequency power generation unit and baffler steam outlet pipe 3; Described baffler suction tude 4 is passed the first hole and the 3rd hole; Described baffler steam outlet pipe 3 passes the second hole, the 4th hole, octal and eleven holes; Settle one first inner chamber pipe 7 on described the 6th hole; Settle the second inner chamber pipe 13 on described the 5th hole, the 9th hole and the 12 hole; Settle the 3rd inner chamber pipe 14 on described the tenth hole; Described seven apertures in the human head is a through hole, with the 3rd hole in a straight line.
Described baffler suction tude 4 comprises: the 7th flange 41 and baffler inlet body 42.
Described baffler steam outlet pipe 3 comprises: air outlet sleeve pipe 1, air outlet filter screen 2.
At the circular blanking cover 31 of the opposite side of described baffler steam outlet pipe 3 welding, and on the 3rd dividing plate 9 rear sides, the cylindrical of the pipe of baffler steam outlet pipe 3 has some circular holes.
Described baffler suction tude 4 is connected with unit steam outlet pipe 20 by bridge piece 16, transition suction tude 19 successively.
Described bridge piece 16 comprises: the 5th flange 161 of the 6th flange 163, bend pipe 162 and opposite side that a side is connected with the 7th flange 41.
Described transition suction tude 19 comprises: the three-flange 191 of the 4th flange 193, transition inlet body 192 and opposite side that a side is connected with the 5th flange 161.
Described unit steam outlet pipe 20 comprises: the first flange 201 that the second flange 203, unit air-out hose 202 and the opposite side that a side is connected with three-flange 191 is connected with unit.
Described outer sleeve 11 is circular hollow tube, is provided with supporting leg 15 on outer sleeve.
The cooling procedure of the utility model motor is as follows:
By the rotation of flywheel end fan blade, make cool air enter wind scooper from the some intake openings of handle tray, form the zone of high pressure in the fan blade radial outer periphery, make air through some radiating fin of cylinder head, force to carry out cooling to cylinder head.Simultaneously, due to baffler is arranged to split-type structural, make its position away from motor, guaranteed that cylinder head is square, the headspace of below, guarantee from cylinder head cooling blast out unimpededly, can rapidly and efficiently take away heat, avoid the universal generator group that baffler is arranged in the motor side, cause the not smooth drawback of cylinder head below air-flow exhaust, thereby greatly promoted the reliability of motor continuous firing.In Fig. 5, the direction of arrow has represented gas flow.
The working procedure of externally connected type baffler of the present utility model is as follows:
When sound and high-temperature gas by unit steam outlet pipe 20, transition suction tude 19, bridge piece 16, baffler suction tude 4.Enter the first separate space A after through hole by second partition 8, enter the second separate space B by the 3rd inner chamber pipe 14, enter the 3rd separate space C by the first inner chamber pipe 7, enter the 4th separate space D by the second inner chamber pipe 13, through some apertures of baffler steam outlet pipe 3, outside air outlet filter screen 2 exhaust silencers.
Claims (9)
1. the externally connected type baffler of a variable-frequency power generation unit, is characterized in that comprising: outer sleeve and the thermal baffle that is placed in the outer sleeve surface; Lateral retaining plate before a side of described outer sleeve is provided with, opposite side is provided with rear lateral retaining plate; Settle successively the first dividing plate, second partition and the 3rd dividing plate in described outer sleeve, between front lateral retaining plate and rear lateral retaining plate; Form first cavity between described the 3rd dividing plate and second partition; Form second cavity between described second partition and the first dividing plate; Form the 3rd cavity between described the first dividing plate and front lateral retaining plate; Form the 4th cavity between described the 3rd dividing plate and rear lateral retaining plate; Have the first hole and the second hole on described front lateral retaining plate; Have the 3rd hole, the 4th hole, the 5th hole and the 6th hole on described the first dividing plate; Have seven apertures in the human head, octal, the 9th hole and the tenth hole on described second partition; Have eleven holes and the 12 hole on described the 3rd dividing plate; Also comprise: the baffler suction tude that is connected with the variable-frequency power generation unit and baffler steam outlet pipe; Described baffler suction tude is passed the first hole and the 3rd hole; Described baffler steam outlet pipe passes the second hole, the 4th hole, octal and eleven holes; Settle one first inner chamber pipe on described the 6th hole; Settle the second inner chamber pipe on described the 5th hole, the 9th hole and the 12 hole; Settle the 3rd inner chamber pipe on described the tenth hole; Described seven apertures in the human head is a through hole, with the 3rd hole in a straight line.
2. the externally connected type baffler of variable-frequency power generation unit according to claim 1, it is characterized in that: described baffler suction tude comprises: the 7th flange and baffler inlet body.
3. the externally connected type baffler of variable-frequency power generation unit according to claim 1, it is characterized in that: described baffler steam outlet pipe comprises: air outlet sleeve pipe, air outlet filter screen.
4. the externally connected type baffler of variable-frequency power generation unit according to claim 3 is characterized in that: at the circular blanking cover of opposite side welding of described baffler steam outlet pipe, and on the 3rd membrane backside, the cylindrical of the pipe of baffler steam outlet pipe has some circular holes.
5. the externally connected type baffler of variable-frequency power generation unit according to claim 1 is characterized in that: described baffler suction tude is connected with the unit steam outlet pipe by bridge piece, transition suction tude successively.
6. the externally connected type baffler of variable-frequency power generation unit according to claim 5, it is characterized in that: described bridge piece comprises: the 5th flange of the 6th flange, bend pipe and opposite side that a side is connected with the 7th flange.
7. the externally connected type baffler of variable-frequency power generation unit according to claim 5, it is characterized in that: described transition suction tude comprises: the three-flange of the 4th flange that a side is connected with the 5th flange, transition inlet body and opposite side.
8. the externally connected type baffler of variable-frequency power generation unit according to claim 5, it is characterized in that: described unit steam outlet pipe comprises: the first flange that the second flange that a side is connected with three-flange, unit air-out hose and opposite side are connected with unit.
9. the externally connected type baffler of variable-frequency power generation unit according to claim 1, it is characterized in that: described outer sleeve is circular hollow tube, is provided with supporting leg on outer sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220515393 CN202970854U (en) | 2012-10-08 | 2012-10-08 | External silencer for variable-frequency generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220515393 CN202970854U (en) | 2012-10-08 | 2012-10-08 | External silencer for variable-frequency generator set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202970854U true CN202970854U (en) | 2013-06-05 |
Family
ID=48511941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220515393 Expired - Fee Related CN202970854U (en) | 2012-10-08 | 2012-10-08 | External silencer for variable-frequency generator set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202970854U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102953785A (en) * | 2012-10-08 | 2013-03-06 | 上海狮虎能源科技发展有限公司 | External muffler for variable frequency generator set |
| CN104675478A (en) * | 2015-03-11 | 2015-06-03 | 河南柴油机重工有限责任公司 | Exhaust muffler for box type generating unit |
-
2012
- 2012-10-08 CN CN 201220515393 patent/CN202970854U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102953785A (en) * | 2012-10-08 | 2013-03-06 | 上海狮虎能源科技发展有限公司 | External muffler for variable frequency generator set |
| CN104675478A (en) * | 2015-03-11 | 2015-06-03 | 河南柴油机重工有限责任公司 | Exhaust muffler for box type generating unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20141008 |
|
| EXPY | Termination of patent right or utility model |