CN102035304B - Digital frequency-conversion generator set - Google Patents
Digital frequency-conversion generator set Download PDFInfo
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- CN102035304B CN102035304B CN2010105105389A CN201010510538A CN102035304B CN 102035304 B CN102035304 B CN 102035304B CN 2010105105389 A CN2010105105389 A CN 2010105105389A CN 201010510538 A CN201010510538 A CN 201010510538A CN 102035304 B CN102035304 B CN 102035304B
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- frequency converter
- generator
- cooling
- air deflector
- muffler
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 17
- 238000001816 cooling Methods 0.000 claims abstract description 47
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- 230000005855 radiation Effects 0.000 claims description 16
- 230000030279 gene silencing Effects 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000001681 protective effect Effects 0.000 abstract 3
- 239000011229 interlayer Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 2
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- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000009699 differential effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
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- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
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- 230000009897 systematic effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention discloses a digital frequency-conversion generator set, comprising a stand assembly, an air guiding frame, frequency converter cooling fins, a frequency converter, an air guiding cover, a hose, a joint, a generator cooling protective frame, an engine assembly, a fan and a generator, wherein the air guiding frame is fixed on the strand assembly through the air guiding cover, one end of the hose is connected with the air guiding frame, the other end of the hose is connected with the joint connected with the generator cooling protective frame, the fan is fixed on the generator and located inside the generator cooling protective frame, the frequency converter is tightly fit with the frequency converter cooling fins consisting of frequency converter cooling teeth, and one baffle plate and the frequency converter cooling teeth encircle to form a frequency converter cooling interlayer cavity. The digital frequency-conversion generator set can fully meet the cooling requirements of the frequency converter and the cooling requirements of the generator, and the quantity and the manufacturing cost of the fan are not needed to be increased.
Description
Technical field
The present invention relates to a kind of generating set, particularly a kind of digital frequency conversion generator group.
Background technology
In the modern variable-frequency power generation unit; Frequency converter and generator all can produce heat in the course of the work, if heat ceaselessly gathers, not only will cause the magnetic steel of motor decreased performance; The lead thermal losses increases; And element such as resistance of frequency converter, electric capacity, inductance, transformer is under temperatures involved, and parameter squints easily, and causes systematic error to exceed standard.Simultaneously, under hot environment, various electronic devices and components are easy ageing and produce fault more also, therefore to the cooling of all need dispelling the heat of frequency converter and generator.
The frequency converter of traditional frequency conversion generator and the cooling of generator, common have two kinds of types of cooling: first kind of type of cooling is directly to drive fan fixed thereon by crankshaft rotating, and stator, the rotor of generator cooled off; After air-flow behind cooled electric generator stator, the rotor is directed to, blows to the frequency converter fin, thereby frequency converter is cooled off, is the type of cooling of product described in the 200920268232.X such as the patent No..Stator, rotor and frequency converter that second kind of type of cooling is generator all have its radiator fan separately.Two kinds of above types of cooling all have its tangible drawback; The drawback of first kind of type of cooling is: behind the stator of air-flow cooled electric generator, the rotor; Usually about 50C, such high temperature gas flow is directed to the back frequency converter is cooled off temperature, is difficult to satisfy the cooling requirement of frequency converter.The drawback of second kind of type of cooling is: be that the fan and the annex quantity thereof that are used to cool off have increased on the one hand; Thereby the manufacturing of unit and maintenance cost have been increased, on the other hand, the increase of parts; The volume of unit is increased, thereby the cost of storage, transportation is also increased.
In conventional engines, muffler directly is connected with the engine cylinder head exhaust outlet with the mode of bolted usually, and muffler is positioned at the cylinder head exhaust side, and muffler is made up of the silencing pipeline and the hush pipe of through type or bendable.Such drawback is: on the one hand because the muffler arrangement space is confined to cylinder head exhaust outlet side.Limited by arrangement space, hush pipe and silencing pipeline volume are all limited can not to be increased, thereby makes erasure effect limited.On the other hand, because whole muffler only directly is connected fastening through bolt with the cylinder head exhaust outlet.The weight of whole like this muffler all concentrates on the connecting bolt; Under the high-temperature tail gas effect of engine; Muffler and cylinder head exhaust outlet junction, under the double action of thermal expansion and gravity, the junction is easy to occur bolt fracture or joint weld place sealing-off is torn; For overcoming the above defective of conventional muffler, need carry out suitable improvement to the structure and the connected mode of muffler.
Summary of the invention
Technical problem to be solved by this invention provides a kind of digital frequency conversion generator group, and it can satisfy the cooling requirement of frequency converter and generator simultaneously, and need not increase number of fans and manufacturing cost.
For solveing the technical problem, the invention provides a kind of digital frequency conversion generator group, it is characterized in that; It comprises support assembly, air deflector, frequency converter fin, frequency converter, wind scooper, flexible pipe, joint, generator cooling protection frame, engine assembly, fan, generator; Air deflector is fixed on the support assembly through wind scooper, and an end of flexible pipe is connected with air deflector, and the other end of flexible pipe is connected with joint; Joint is connected with generator cooling protection frame; Fan is fixed on the generator and is positioned at generator cooling protection frame, and the frequency converter fin is fixed on the air deflector, and frequency converter and frequency converter fin fit tightly; The frequency converter fin comprises the frequency converter radiation tooth, and baffle plate and frequency converter radiation tooth surround and form frequency converter cooling folder chamber.
Preferably, said support assembly comprises control panel, and air deflector comprises the air deflector baffle plate, and it is the baffle plate of air deflector baffle plate or control panel or independent setting that said and frequency converter radiation tooth surrounds the baffle plate that forms frequency converter cooling folder chamber.
Preferably, said frequency converter radiation tooth is provided with convexity.
Preferably, said digital frequency conversion generator group also comprises muffler, and muffler is arranged in the cylinder head lower right side of right alternator assembly.
Preferably; Said muffler comprises one-level noise reduction road, first Flexible Connector, second Flexible Connector, exhaust noise silencing connector; First Flexible Connector is located between one-level noise reduction road and the exhaust noise silencing connector, and muffler is fixed through second Flexible Connector and support assembly.
Preferably; Said muffler also comprises first hush pipe, the first obstruct hurdle, secondary noise reduction road, the second obstruct hurdle, three grades of noise reduction roads, micropore, second hush pipe; The first obstruct hurdle and the second obstruct hurdle are located at respectively in first hush pipe and second hush pipe; Secondary noise reduction road is connected first hush pipe with second hush pipe, micropore is in the both sides on the first obstruct hurdle and the both sides on the second obstruct hurdle.
Positive progressive effect of the present invention is: one of which, guaranteed the required cooling surface area of frequency converter heat radiation with frequency converter radiation tooth and the convexity that go up to be provided with thereof; Frequency converter radiation tooth and baffle plate are surrounded sealing form cooling folder chamber, make cooling blast can only at first just become cooling folder chamber through after flow to other thermals source again, thereby guaranteed the radiating effect of frequency converter.Two, control panel is arranged in direction opposite with cylinder head on the frame, and frequency converter, frequency converter fin, air deflector, wind scooper are arranged in the panel rear, so just make the compact conformation of unit, integral layout is more reasonable.Three, between air deflector and joint, adopt and be flexible coupling; With the exhaust noise silencing connector elasticity being set in one-level noise reduction road is connected; Muffler is fixed through Flexible Connector and support assembly, and this three measures has alleviated the possibility that asynchronous vibrations cause the parts fracture, damage to a great extent.
Description of drawings
Fig. 1 is the structural representation after the present invention assembling.
Fig. 2 is an exploded perspective view of the present invention.
Fig. 3 is the structural representation in cooling folder chamber among the present invention.
Fig. 4 for cool stream among the present invention to principle schematic.
Fig. 5 is the structural representation of muffler among the present invention.
Fig. 6 is the sketch map along the A-A direction of Fig. 5.
Fig. 7 is the structural representation of wind scooper among the present invention.
Embodiment
Lift a preferred embodiment below, and combine accompanying drawing to come the clearer the present invention that intactly explains.
As depicted in figs. 1 and 2; Digital frequency conversion generator group of the present invention comprises support assembly 1, air deflector 2, frequency converter fin 3, frequency converter 4, wind scooper 5, flexible pipe 6, joint 7, generator cooling protection frame 8, engine assembly 9, muffler 10, fan 11, generator 12, and support assembly 1 comprises control panel 101 and fuel tank 102.Air deflector 2 comprises wind guide tank 201, air deflector draw-in groove 202 and air deflector baffle plate 203, and air deflector draw-in groove 202 is in the outside of wind guide tank 201.Frequency converter fin 3 comprises frequency converter radiation tooth 301.Flexible pipe 6 has locking device 61.Air deflector 2 is fixed on the support assembly 1 through wind scooper 5.One end of flexible pipe 6 is connected with air deflector 2; The other end of flexible pipe 6 is connected with joint 7; Mainly be air deflector draw-in groove 202 and flexible pipe 6 to be locked, and the draw-in groove position and the flexible pipe 6 of joint 7 locked, and strengthen the air-tightness of gas channel with this through locking device 61 through locking device 61.Joint 7 is connected with generator cooling protection frame 8, and muffler 10 is arranged in the cylinder head below of engine assembly 9.Fan 11 is fixed on the generator 12, and is positioned at generator cooling protection frame 8.
As shown in Figure 3, frequency converter fin 3 is fixed on the air deflector 2 through modes such as draw-in groove insertions, and frequency converter fin 3 can be made an integral body, also can make split.The baffle plate of air deflector baffle plate 203 or control panel 101 or setting separately is as a baffle plate, and this baffle plate and frequency converter radiation tooth 301 surround and form frequency converter cooling folder chamber 35, and frequency converter 4 fits tightly with frequency converter fin 3.After generating set started, frequency converter 4 was promptly started working and is produced a large amount of heats, and these heats are delivered to frequency converter fin 3 rapidly.Frequency converter radiation tooth 301 is provided with evenly distributed convexity 311, when flowing through and the contact area of frequency converter fin 3 to increase air, thus the increase radiating effect.As shown in Figure 2; Control panel 101 is provided with first through hole 103; As shown in Figure 7, it is as shown in Figure 4 that wind scooper 5 sidewalls are provided with second through hole 501., and the bent axle band of cluster engine fan 11 rotations; After cooling blast is provided with 501 inflows of second through hole by first through hole 103 on the control panel 1 and/or by wind scooper 5 sidewalls; Be forced the frequency converter cooling folder chamber 35 that surrounds formation via air deflector baffle plate 203 and frequency converter radiation tooth 301, take away the heat on the frequency converter fin 3, thereby make frequency converter 4 obtain cooling.The air-flow that comes out from frequency converter cooling folder chamber 35 is under the water conservancy diversion of the wind guide tank 201 of air deflector 2, and flow through flexible pipe 6 and joint 7 cool off generator 12 in the inflow generator cooling protection frame 8.Between the end of the wind guide tank 201 of air deflector 2 sidewalls and frequency converter fin 3, leave suitable gap, make that cold air flow passes through can get into wind guide tank 201 smoothly behind the frequency converter radiation tooth 301 of frequency converter fin 3.In addition, the air-flow that comes out from frequency converter cooling folder chamber 35 can also can perhaps be cooled off end about engine by the right-hand member of water conservancy diversion cooled engine by the left end of water conservancy diversion cooled engine simultaneously, even other positions of cooling unit.
The muffler of this instance is the twin-stage muffler of two elastic connection structures; Concrete structure such as Fig. 5 and shown in Figure 6; Muffler comprises one-level noise reduction road 1001, first Flexible Connector 1002, second Flexible Connector 1003, first hush pipe 104, the first obstruct hurdle 105, secondary noise reduction road 106, the second obstruct hurdle 107, three grades of noise reduction roads 108, micropore 109, second hush pipe 1010 and exhaust noise silencing connectors 1011; First Flexible Connector 1002 is located between one-level noise reduction road 1001 and the exhaust noise silencing connector 1011; First Flexible Connector 1002 is pipelines that the mode that adopts metal hose to attach mesh grid is outward formed, and second Flexible Connector, 1003 main parts are spring.The effect of first Flexible Connector 1002 is to be used for reducing the exhaust noise silencing connector 1011 that is caused by thermal expansion under the hot conditions to locate sealing-off, phenomenon of rupture with being welded to connect of one-level noise reduction road 1001.In addition, muffler 10 is fixing with support assembly 1 through second Flexible Connector 1003, on first hush pipe 104 and second hush pipe, 1010 bottoms welding iron plate, adopts spring to support between the base of this iron plate and support assembly.Like this, with regard to having reduced to cause the possibility of the fixed position fracture of muffler 10 and support assembly 1, also reduced the sealing-off possibility that be welded to connect place of exhaust noise silencing connector 1011 simultaneously once more with one-level noise reduction road 1001 because of asynchronous vibrations.The first obstruct hurdle 105 and the second obstruct hurdle 107 are located at respectively in first hush pipe 104 and second hush pipe 1010; Secondary noise reduction road 106 is connected first hush pipe 104 with second hush pipe 1010; Three grades of noise reduction roads 108 are positioned on the extension of second hush pipe 1010 and pass through second hush pipe 1010, and micropore 109 is in the both sides on the first obstruct hurdle 105 and the both sides on the second obstruct hurdle 107.Motor exhaust gets into one-level noise reduction road 1001 via exhaust noise silencing connector 1011, and under the effect on the first obstruct hurdle 105, the micropore 109 that exhaust airstream passes on the one-level noise reduction road 1001 gets in the silencing cavity of first hush pipe 104.By the exhaust stream after the one-level noise reduction under the pressure differential effect; Get into secondary noise reduction road 106; Because the obstruct on the second obstruct hurdle 107, exhaust airstream passes through the micropore 109 on the secondary noise reduction road 106 once more, get into second hush pipe 1010 by the secondary noise reduction after; Get in three grades of noise reduction roads 108 via micropore 109, finally discharge from its air exit.
Though more than described embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, under the prerequisite that does not deviate from principle of the present invention and essence, can make numerous variations or modification to these execution modes.Therefore, protection scope of the present invention is limited appended claims.
Claims (6)
1. digital frequency conversion generator group; It is characterized in that it comprises support assembly, air deflector, frequency converter fin, frequency converter, wind scooper, flexible pipe, joint, generator cooling protection frame, engine assembly, fan, generator, air deflector is fixed on the support assembly through wind scooper; One end of flexible pipe is connected with air deflector; The other end of flexible pipe is connected with joint, and joint is connected with generator cooling protection frame, and fan is fixed on the generator and is positioned at generator cooling protection frame; The frequency converter fin is fixed on the air deflector; Frequency converter and frequency converter fin fit tightly, and the frequency converter fin comprises the frequency converter radiation tooth, and baffle plate and frequency converter radiation tooth surround and form frequency converter cooling folder chamber.
2. digital frequency conversion generator group as claimed in claim 1; It is characterized in that; Said support assembly comprises control panel, and air deflector comprises the air deflector baffle plate, and it is the baffle plate of air deflector baffle plate or control panel or independent setting that said and frequency converter radiation tooth surrounds the baffle plate that forms frequency converter cooling folder chamber.
3. digital frequency conversion generator group as claimed in claim 1 is characterized in that, said frequency converter radiation tooth is provided with convexity.
4. digital frequency conversion generator group as claimed in claim 1 is characterized in that, said digital frequency conversion generator group also comprises muffler, and muffler is arranged in the cylinder head lower right side of right alternator assembly.
5. digital frequency conversion generator group as claimed in claim 4; It is characterized in that; Said muffler comprises one-level noise reduction road, first Flexible Connector, second Flexible Connector, exhaust noise silencing connector; First Flexible Connector is located between one-level noise reduction road and the exhaust noise silencing connector, and muffler is fixed through second Flexible Connector and support assembly.
6. digital frequency conversion generator group as claimed in claim 5; It is characterized in that; Said muffler also comprises first hush pipe, the first obstruct hurdle, secondary noise reduction road, the second obstruct hurdle, three grades of noise reduction roads, micropore, second hush pipe; The first obstruct hurdle and the second obstruct hurdle are located at respectively in first hush pipe and second hush pipe, and secondary noise reduction road is connected first hush pipe with second hush pipe, and micropore is in the both sides on the first obstruct hurdle and the both sides on the second obstruct hurdle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105105389A CN102035304B (en) | 2010-10-18 | 2010-10-18 | Digital frequency-conversion generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105105389A CN102035304B (en) | 2010-10-18 | 2010-10-18 | Digital frequency-conversion generator set |
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| Publication Number | Publication Date |
|---|---|
| CN102035304A CN102035304A (en) | 2011-04-27 |
| CN102035304B true CN102035304B (en) | 2012-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010105105389A Active CN102035304B (en) | 2010-10-18 | 2010-10-18 | Digital frequency-conversion generator set |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103051109A (en) * | 2011-10-13 | 2013-04-17 | 上海狮虎能源科技发展有限公司 | Split-type variable-frequency generator set |
| CN104768355B (en) * | 2015-03-24 | 2017-11-17 | 华为技术有限公司 | Heat abstractor, radio frequency remoto module, base station module, communication base station and system |
| CN105041440B (en) * | 2015-08-17 | 2018-01-12 | 力帆实业(集团)股份有限公司 | A kind of side-mounted silencer radiating heat insulation structural of generator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201025685Y (en) * | 2006-11-08 | 2008-02-20 | 德欣机电技术(北京)有限公司 | Portable digital frequency conversion power generator unit |
| CN201225193Y (en) * | 2008-07-29 | 2009-04-22 | 重庆弘愿动力设备制造有限公司 | Machine frame type frequency conversion electric generator |
| CN201273212Y (en) * | 2008-08-28 | 2009-07-15 | 上海扬科发动机进出口有限公司 | Low-power air-cooling two-stroke gasoline variable frequency generator set |
| CN201549981U (en) * | 2009-11-06 | 2010-08-11 | 上海狮虎能源科技发展有限公司 | Cooling system of variable-frequency generator |
| CN201826952U (en) * | 2010-10-18 | 2011-05-11 | 上海狮虎能源科技发展有限公司 | Digital frequency conversion generator set |
-
2010
- 2010-10-18 CN CN2010105105389A patent/CN102035304B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201025685Y (en) * | 2006-11-08 | 2008-02-20 | 德欣机电技术(北京)有限公司 | Portable digital frequency conversion power generator unit |
| CN201225193Y (en) * | 2008-07-29 | 2009-04-22 | 重庆弘愿动力设备制造有限公司 | Machine frame type frequency conversion electric generator |
| CN201273212Y (en) * | 2008-08-28 | 2009-07-15 | 上海扬科发动机进出口有限公司 | Low-power air-cooling two-stroke gasoline variable frequency generator set |
| CN201549981U (en) * | 2009-11-06 | 2010-08-11 | 上海狮虎能源科技发展有限公司 | Cooling system of variable-frequency generator |
| CN201826952U (en) * | 2010-10-18 | 2011-05-11 | 上海狮虎能源科技发展有限公司 | Digital frequency conversion generator set |
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| CN102035304A (en) | 2011-04-27 |
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Owner name: SHANGHAI SHIHU ENERGY TECHNOLOGY CO., LTD. Free format text: FORMER NAME: SHANGHAI LIGER ENERGY TECHNOLOGY DEVELOPMENT CO., LTD. |
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Address after: 201613 Shanghai city of Songjiang District Chen Road No. 128 Building 1 layer A District 1 Patentee after: SHANGHAI LIGER POWER TECHNOLOGY Co.,Ltd. Address before: 201613 Shanghai city Songjiang District rongbei Industrial Zone, Rong Hui Lu No. 100 Patentee before: SHANGHAI LIGER POWER TECHNOLOGY Co.,Ltd. |
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Denomination of invention: Digital frequency-conversion generator set Effective date of registration: 20140303 Granted publication date: 20121128 Pledgee: Bank of Hankou Limited by Share Ltd. Optics Valley branch Pledgor: SHANGHAI LIGER POWER TECHNOLOGY Co.,Ltd. Registration number: 2014310000009 |
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Effective date of registration: 20240116 Address after: 352101 Yonglong Road, qinxiyang Industrial Zone, Fu'an City, Ningde City, Fujian Province Patentee after: Ningde Zhentian Power Co.,Ltd. Address before: No. 1 Yonglong Road, Fu'an City, Ningde City, Fujian Province, 355099 Patentee before: Wu Yifeng |