CN209358383U - A kind of frequency converter installation of variable-frequency power generation unit and cooling structure - Google Patents
A kind of frequency converter installation of variable-frequency power generation unit and cooling structure Download PDFInfo
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- CN209358383U CN209358383U CN201920453780.3U CN201920453780U CN209358383U CN 209358383 U CN209358383 U CN 209358383U CN 201920453780 U CN201920453780 U CN 201920453780U CN 209358383 U CN209358383 U CN 209358383U
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- frequency converter
- silencer
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- rack
- engine
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- 238000001816 cooling Methods 0.000 title claims abstract description 30
- 238000010248 power generation Methods 0.000 title claims abstract description 23
- 238000009434 installation Methods 0.000 title abstract description 6
- 230000003584 silencer Effects 0.000 claims abstract description 63
- 239000002828 fuel tank Substances 0.000 claims abstract description 23
- 239000007858 starting material Substances 0.000 claims abstract description 12
- 230000035939 shock Effects 0.000 claims description 4
- 230000008450 motivation Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 13
- 230000017525 heat dissipation Effects 0.000 abstract description 10
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Motor Or Generator Cooling System (AREA)
Abstract
The utility model discloses a kind of installation of the frequency converter of variable-frequency power generation unit and cooling structures, including rack, engine, crankcase, generator, fuel tank, pulling plate starter assembly, frequency converter and silencer, the generator includes outsides cover of electric machinery, motor stator and rotor, a radial fan is equipped with away from the side of crankcase in rotor, air inlet hole is offered on end face of the outsides cover of electric machinery far from crankcase one end, is equipped with exhaust vent on the top of the side wall of outsides cover of electric machinery；The frequency converter is horizontally installed to above the exhaust vent of outsides cover of electric machinery, and the position that the bottom case of the fuel tank corresponds to frequency converter is recessed upwards forms wind guide tank.The utility model forms multiple heat dissipation paths in variable-frequency power generation unit by completely new topology layout, keeps the heat dissipation effect of frequency converter more preferable, can effectively improve the performance of frequency converter.
Description
Technical field
The utility model relates to the frequency converter of generating set technical field more particularly to a kind of variable-frequency power generation unit installation and
Cooling structure.
Background technique
Currently, variable-frequency power generation unit on the market is mainly by engine, generator, fuel tank, pulling plate starter assembly, frequency conversion
Device, silencer and other auxiliary devices are constituted, and the chemical energy of burning release is converted machinery by engine during the work time
Can, mechanical energy is converted electric energy by generator, and the two can all supervene a large amount of thermal energy during the work time, and frequency converter is handed over
Direct current itself can also generate a large amount of heat when converting, and to ensure that entire generating set runs well, need good ventilation
Environment is adequately cooled body, and therefore, most of generating set is all unenclosed construction in the market.But due to current
Variable-frequency power generation unit topology layout reasonability it is poor, although using open type (open-shelf) structure, it is internal to dissipate
Thermal effect is also poor.
For this purpose, the variable-frequency power generation unit also having arranges cooling air channel system, but existing generating set is only arranged one
Air intake passage, and air intake passage is arranged at frequency converter, after cooling wind enters in generating set from air intake passage, first to change
Frequency device is cooled down, and subsequent cooling wind cools down the other component in generating set；In this way, although frequency converter can be made to obtain
Preferable cooling effect, but preferable cooling effect can not be obtained as the engine of generating set power resources.Meanwhile
The heat distributed in the silencer course of work is also easy to cause the temperature of peripheral parts to increase, to reduce entire variable-frequency power generation
The working performance of unit.
Utility model content
In view of the above shortcomings of the prior art, utility model aims to solve existing variable-frequency power generation unit knots
Structure is complicated, and rationally distributed property is poor, and frequency converter heat dissipation effect is poor, the low problem of entire generating set performance, provides a kind of frequency conversion hair
The frequency converter of motor group is installed and cooling structure, by completely new topology layout, make the structure of variable-frequency power generation unit it is simpler,
Rationally, and in variable-frequency power generation unit multiple heat dissipation paths are formed, to effectively carry out to the frequency converter of variable-frequency power generation unit
Heat dissipation, heat dissipation effect is more preferable, can effectively improve the performance of entire variable-frequency power generation unit.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is such that a kind of frequency conversion generator
The frequency converter installation of group and cooling structure, including rack, engine, crankcase, generator, fuel tank, pulling plate starter assembly, change
Frequency device and silencer, the engine, crankcase, generator and silencer are installed on the lower part of rack；Wherein, the hair
Motivation and crankcase are located at central rack, and engine is connected together with crankcase；The generator and silencer are located at hair
Motivation and crankcase side, and generator is corresponding with the position of crankcase, silencer is corresponding with the position of engine, pulling plate
Starter assembly is located at the other side of engine and crankcase；The fuel tank is connected with upper rack, and by engine, crankshaft
Case, generator, silencer and the covering of pulling plate starter assembly；The generator includes outsides cover of electric machinery, motor stator and electricity
Machine rotor, wherein one end of outsides cover of electric machinery is connected with crankcase, and the other end extends to the side of rack, the motor stator position
In in electric machine casing, and also it is fixedly connected with crankcase, rotor is located on the inside of motor stator, and is set on crankshaft, and
It can be rotated with crankshaft-synchronous；It is characterized by:
It is equipped with a radial fan away from the side of crankcase in rotor, the radial fan is set on crankshaft, and
It is fixedly connected, and can be rotated with crankshaft-synchronous with rotor；It is offered on end face of the outsides cover of electric machinery far from crankcase one end
Air inlet hole is equipped with exhaust vent on the top of the side wall of outsides cover of electric machinery；The frequency converter is horizontally installed to the exhaust vent of outsides cover of electric machinery
Top, length direction and generator it is axially vertical；The position that the bottom case of the fuel tank corresponds to frequency converter is recessed to be formed upwards
Wind guide tank, on the upside of the top of the wind guide tank and frequency converter between there is gap, the wind guide tank through fuel tank bottom case far from disappearing
The side of sound device, one end close to silencer is between frequency converter and silencer, and wind guide tank is close to one end of silencer
Lower lateral silencer direction inclination；
One end of the exhaust vent is located at below frequency converter, and the other end extends between frequency converter and silencer, and is located at
Wind guide tank flows after exhaust vent blowout upwards and to away from silencer direction close to the lower section of silencer one end, air, wherein
Portion of air can flow on the downside of frequency converter towards the direction away from silencer, until deviating from an effluent of silencer from rack
Out, another part air can enter wind guide tank from wind guide tank close to one end of silencer, and through wind guide tank close to silencer one
It is moved along wind guide tank to the direction away from silencer under the rebound of the end face at end, until deviating from an effluent of silencer from rack
Out.
Further, the downside of the frequency converter is equipped with the radiating fin that several piece is parallel to each other, the radiating fin vertically
Length direction it is consistent with the length direction of frequency converter.
Further, outlet air guide pin is installed in exhaust vent.
Further, the frequency converter includes circuit board, rectification unit, inversion unit and inductance coil, wherein described
Rectification unit, inversion unit and inductance coil are arranged along the length direction of circuit board.
Further, the rack is open frame structure.
Further, a bracket, the downside that the bracket passes through several shock brackets and rack are equipped in the lower part of rack
It is connected, the engine and crankcase are mounted on the bracket, and the bottom of the silencer passes through a connection frame and the bracket
It is connected.
Compared with prior art, the utility model has the advantages that
1, frequency converter is arranged in above outsides cover of electric machinery, and is correspondingly arranged wind guide tank in the bottom case of fuel tank, in this way, structure is more
Adduction reason, and the volume of entire variable-frequency power generation unit can be effectively reduced.
2, radial fan is set in outsides cover of electric machinery, air inlet hole is opened up on the end face of outsides cover of electric machinery, and in outsides cover of electric machinery
Side wall upper part be arranged exhaust vent, in this way, air from exhaust vent blowout after be divided into two-way, all the way from the lower lateral edge frequency conversion of frequency converter
The length direction of device is moved to shell outside, takes away the heat that frequency converter distributes, another way enters wind guide tank, then along wind guide tank
It is moved to shell outside on the upside of frequency converter, takes away the heat that frequency converter distributes；In this way, by simultaneously to above and below frequency converter two
Side carries out cooling, so as to more directly cool down more preferably and to frequency converter, to improve the work of frequency converter
Efficiency and service life.
3, the air flowed through from wind guide tank can cool down to bottom shells of gasoline tanks, to effectively drop to the oil in fuel tank
Temperature, so as to effectively improve engine efficiency.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the utility model.
Fig. 2 is the side view of the utility model.
Fig. 3 is the assembling structure schematic diagram of outsides cover of electric machinery, frequency converter and fuel tank.
Fig. 4 is the left view of Fig. 3.
In figure: 1-rack, 2-crankcases, 3-fuel tanks, 4-pulling plate starter assemblies, 5-frequency converters, 6-silencers,
7-outsides cover of electric machinery, 8-radial fans, 9-air inlet holes, 10-exhaust vents, 11-wind guide tanks, 12-radiating fins.
Specific embodiment
Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail.
Embodiment: referring to Fig. 1 to Fig. 4, a kind of frequency converter installation of variable-frequency power generation unit and cooling structure, including rack 1,
Engine, crankcase 2, generator, fuel tank 3, pulling plate starter assembly 4, frequency converter 5 and silencer 6, the engine, song
Axle box 2, generator and silencer 6 are installed on the lower part of rack 1；Wherein, the rack 1 is open frame structure, can
Preferably improve the heat dissipation effect of entire variable-frequency power generation unit.It is equipped with a bracket in the lower part of rack 1, the bracket passes through several
Shock bracket is connected with the downside of rack 1, and the engine and crankcase 2 are mounted on the bracket, the bottom of the silencer 6
Portion is connected by a connection frame with the bracket；In this way, not only assembling more convenient, and can make to have between each component and ground
Gap, so as to preferably radiate, meanwhile, bracket is connected by shock bracket with rack 1, so as to effectively rise
To the effect of damping noise reduction.Wherein, the engine and crankcase 2 are located at 1 middle part of rack, and engine is connected with crankcase 2
Together；The generator and silencer 6 are located at 2 side of engine and crankcase, and generator is opposite with the position of crankcase 2
It answers, silencer 6 is corresponding with the position of engine, and pulling plate starter assembly 4 is located at the other side of engine and crankcase 2；Institute
It states fuel tank 3 to be connected with 1 top of rack, and engine, crankcase 2, generator, silencer 6 and pulling plate starter assembly 4 is covered
Lid.The generator includes outsides cover of electric machinery 7, motor stator and rotor, wherein one end of outsides cover of electric machinery 7 and crankcase 2
It is connected, the other end extends to the side of rack 1, and the motor stator is located in electric machine casing, and also fixes and connect with crankcase 2
It connects, rotor is located on the inside of motor stator, and is set on crankshaft, and can rotate with crankshaft-synchronous；When practical set, in song
One flywheel is installed, rotor is fixedly connected with the flywheel on axis.
It is equipped with a radial fan 8 away from the side of crankcase 2 in rotor, the radial fan 8 is set on crankshaft,
And it is fixedly connected with rotor, and can be rotated with crankshaft-synchronous.It is opened on end face of the outsides cover of electric machinery 7 far from 2 one end of crankcase
Equipped with air inlet hole 9, exhaust vent 10 is equipped on the top of the side wall of outsides cover of electric machinery 7.The frequency converter 5 is horizontally installed to outsides cover of electric machinery
7 top of exhaust vent 10, length direction and generator it is axially vertical；And frequency converter 5 is extended to away from one end of silencer 6
1 side of rack.The frequency converter 5 includes circuit board, rectification unit, inversion unit and inductance coil, wherein the rectification is single
Member, inversion unit and inductance coil are arranged along the length direction of circuit board；In this way, in cooling wind (air) from frequency converter 5
During lower two sides are blown over, more effectively frequency converter 5 can be cooled down, to keep the heat dissipation effect of frequency converter 5 more preferable.
The position that the bottom case of the fuel tank 3 corresponds to frequency converter 5 is recessed upwards forms wind guide tank 11, the top of the wind guide tank 11 and frequency conversion
Device has gap, the one end of wind guide tank 11(far from silencer between 5 upside) run through the bottom case of fuel tank 3 far from silencer 6
Side, close to one end of silencer 6 between frequency converter 5 and silencer 6；And wind guide tank 11 is close to one end of silencer 6
Lower lateral 6 direction of silencer inclination；When it is implemented, side of the wind guide tank 11 close to 7 end face of outsides cover of electric machinery (air inlet hole 9)
Through fuel tank 3 close to the side of 7 end face of outsides cover of electric machinery (air inlet hole 9), process so more convenient, structure is more reasonable.
One end of the exhaust vent 10 is located at 5 lower section of frequency converter, and the other end extends between frequency converter 5 and silencer 6, and
Positioned at wind guide tank 11 close to the lower section of 6 one end of silencer (inclined surface), air disappears upwards and to deviating from after the blowout of exhaust vent 10
The flowing of 6 direction of sound device.Wherein, portion of air can be flowed along 5 downside of frequency converter towards the direction away from silencer 6, until from
Rack 1 is flowed out away from the side of silencer 6；Another part air, which can enter from wind guide tank 11 close to one end of silencer 6, leads
Wind groove 11, and through wind guide tank 11 under the rebound of the end face of 6 one end of silencer along wind guide tank 11 to deviate from silencer 6 direction
It is mobile, until being flowed out from rack 1 away from the side of silencer 6.When it is implemented, being equipped with outlet air guide pin in exhaust vent 10；
So as to carry out the adjusting of air-out direction by adjusting outlet air guide pin, to better ensure that the wind blown out from two exhaust vents 10
It is blown out by the direction of design, keeps cooling effect more preferable.
In the actual implementation process, the downside of the frequency converter 5 is equipped with the radiating fin 12 that several piece is parallel to each other, institute vertically
The length direction for stating radiating fin 12 is consistent with the length direction of frequency converter 5.It, can be preferably right by the way that radiating fin 12 is arranged
Frequency converter 5 radiates, meanwhile, wind groove is formed between adjacent two radiating fin 12, water conservancy diversion effectively can be carried out to air, avoided
Air is run helter-skelter, to further increase heat dissipation effect.
It designs with this configuration, most of cooling wind that radial fan 8 generates, passes through the exhaust vent of 7 top of outsides cover of electric machinery
10, the main fever source position for directly blowing to 5 bottom of frequency converter is cooled down, radiating fin of the cooling wind in 5 downside of frequency converter
The cooling duct formed between 12() flowing, scattering and disappearing for air quantity is effectively prevented, and radiate all the way to fin channels, dissipated
Hot path is longer.The fraction cooling wind that radial fan 8 generates blows to fuel tank 3 by the exhaust vent 10 of 7 top of outsides cover of electric machinery
The wind guide tank 11 of bottom, wind-guiding molding of the cooling wind along 3 bottom of fuel tank is flowed through above frequency converter 5, to the exposed element of frequency converter 5
Heat dissipation (rectifier, inverter, transformer, capacitor, inductance coil etc.) is radiated；Simultaneously, additionally it is possible to fuel tank 3(bottom case) into
Row cooling, avoids high oil temperature from influencing engine operating efficiency.Specifically: cooling wind by outsides cover of electric machinery 7 by air inlet duct A into
Enter inside outsides cover of electric machinery 7, frequency converter 5 is cooled down under the effect of radial fan 8；Wherein, radial fan Final 8 system is thrown away cold
But to forced heat radiation is carried out on the downside of 5 main heat sink panel region of frequency converter, cooling to take away 5 function element of frequency converter big by air duct C for wind
Partial heat, while being carried out cooling heat from exposed heating electric appliance element (such as inductance coil) of the air duct B to 5 upside of frequency converter,
It reduces 5 heat of frequency converter at the same time to cool down 3 bottom case of fuel tank, reduces fuel oil temperature, to improve the work effect of engine
Rate.
Finally, it should be noted that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application technology
Scheme, those skilled in the art should understand that, those are modified to the technical solution of the utility model or are equal
Replacement, without departing from the objective and range of the technical program, should all cover in the scope of the claims of the utility model.
Claims (6)
1. a kind of frequency converter of variable-frequency power generation unit is installed and cooling structure, including rack, engine, crankcase, generator, oil
Case, pulling plate starter assembly, frequency converter and silencer, the engine, crankcase, generator and silencer are installed on machine
The lower part of frame；Wherein, the engine and crankcase are located at central rack, and engine is connected together with crankcase；It is described
Generator and silencer are located at engine and crankcase side, and generator is corresponding with the position of crankcase, silencer and hair
The position of motivation is corresponding, and pulling plate starter assembly is located at the other side of engine and crankcase；The fuel tank and upper rack
It is connected, and engine, crankcase, generator, silencer and pulling plate starter assembly is covered；The generator includes motor
Outer cover, motor stator and rotor, wherein one end of outsides cover of electric machinery is connected with crankcase, and the other end extends to rack
Side, the motor stator is located in electric machine casing, and is also fixedly connected with crankcase, and rotor is located in motor stator
Side, and be set on crankshaft, and can be rotated with crankshaft-synchronous；It is characterized by:
Be equipped with a radial fan away from the side of crankcase in rotor, the radial fan is set on crankshaft, and with electricity
Machine rotor is fixedly connected, and can be rotated with crankshaft-synchronous；Air inlet is offered on end face of the outsides cover of electric machinery far from crankcase one end
Hole is equipped with exhaust vent on the top of the side wall of outsides cover of electric machinery；The frequency converter is horizontally installed to above the exhaust vent of outsides cover of electric machinery,
Its length direction and generator it is axially vertical；The position that the bottom case of the fuel tank corresponds to frequency converter is recessed upwards forms wind-guiding
There is gap, which runs through the bottom case of fuel tank far from silencer between on the upside of slot, the top of the wind guide tank and frequency converter
Side, one end close to silencer is between frequency converter and silencer, and wind guide tank is under one end of silencer
Lateral silencer direction inclination；
One end of the exhaust vent is located at below frequency converter, and the other end extends between frequency converter and silencer, and is located at wind-guiding
Slot flows after exhaust vent blowout upwards and to away from silencer direction close to the lower section of silencer one end, air, wherein one
Divide air that can flow on the downside of frequency converter towards the direction away from silencer, flowed out up to from rack away from the side of silencer,
Another part air can enter wind guide tank from wind guide tank close to one end of silencer, and through wind guide tank close to silencer one end
It is moved along wind guide tank to the direction away from silencer under the rebound of end face, until being flowed out from rack away from the side of silencer.
2. a kind of frequency converter of variable-frequency power generation unit according to claim 1 is installed and cooling structure, it is characterised in that: institute
The downside for stating frequency converter is equipped with the radiating fin that several piece is parallel to each other vertically, the length direction of the radiating fin and frequency converter
Length direction is consistent.
3. a kind of frequency converter of variable-frequency power generation unit according to claim 1 is installed and cooling structure, it is characterised in that:
Outlet air guide pin is installed in exhaust vent.
4. a kind of frequency converter of variable-frequency power generation unit according to claim 1 is installed and cooling structure, it is characterised in that: institute
Stating frequency converter includes circuit board, rectification unit, inversion unit and inductance coil, wherein the rectification unit, inversion unit with
And inductance coil is arranged along the length direction of circuit board.
5. a kind of frequency converter of variable-frequency power generation unit according to claim 1 is installed and cooling structure, it is characterised in that: institute
Stating rack is open frame structure.
6. a kind of frequency converter of variable-frequency power generation unit according to claim 1 is installed and cooling structure, it is characterised in that:
The lower part of rack is equipped with a bracket, and the bracket is connected by several shock brackets with the downside of rack, the engine and song
Axle box is mounted on the bracket, and the bottom of the silencer is connected by a connection frame with the bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920453780.3U CN209358383U (en) | 2019-04-04 | 2019-04-04 | A kind of frequency converter installation of variable-frequency power generation unit and cooling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920453780.3U CN209358383U (en) | 2019-04-04 | 2019-04-04 | A kind of frequency converter installation of variable-frequency power generation unit and cooling structure |
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| Publication Number | Publication Date |
|---|---|
| CN209358383U true CN209358383U (en) | 2019-09-06 |
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ID=67804623
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920453780.3U Active CN209358383U (en) | 2019-04-04 | 2019-04-04 | A kind of frequency converter installation of variable-frequency power generation unit and cooling structure |
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| CN (1) | CN209358383U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110829735A (en) * | 2019-11-18 | 2020-02-21 | 彭辉敏 | Portable direct-current generator set for communication iron tower base station |
| CN111779606A (en) * | 2020-07-24 | 2020-10-16 | 张建林 | Gasoline engine generator |
| CN112648073A (en) * | 2020-12-31 | 2021-04-13 | 江苏杰特动力科技有限公司 | Small diesel variable-frequency generator set |
-
2019
- 2019-04-04 CN CN201920453780.3U patent/CN209358383U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110829735A (en) * | 2019-11-18 | 2020-02-21 | 彭辉敏 | Portable direct-current generator set for communication iron tower base station |
| CN111779606A (en) * | 2020-07-24 | 2020-10-16 | 张建林 | Gasoline engine generator |
| CN112648073A (en) * | 2020-12-31 | 2021-04-13 | 江苏杰特动力科技有限公司 | Small diesel variable-frequency generator set |
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