CN201934189U - Digital generator unit - Google Patents
Digital generator unit Download PDFInfo
- Publication number
- CN201934189U CN201934189U CN2011200120467U CN201120012046U CN201934189U CN 201934189 U CN201934189 U CN 201934189U CN 2011200120467 U CN2011200120467 U CN 2011200120467U CN 201120012046 U CN201120012046 U CN 201120012046U CN 201934189 U CN201934189 U CN 201934189U
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- China
- Prior art keywords
- motor
- volute
- cooling
- inverter
- cooling blower
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- Expired - Lifetime
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Abstract
The utility model discloses a digital generator unit, which comprises a motor with a shock-absorbing device, a generator connected to one end of a motor crankshaft, a cooling system of the motor, a cooling fan arranged on the other side of a motor box, an inverter arranged on an external fixed support, and a muffler connected with exhaust discharging pipes of the motor. An impeller of the cooling fan is connected with the other end of the motor crankshaft, a volute is arranged outside the cooling fan, the sides where the volute is adjacent to the motor and the volute is adjacent to the reverser are respectively provided with an air inlet, an air outlet is arranged on one side where the volute is adjacent to the muffler, the reverse is corresponding to an air inlet of the cooling fan and arranged on one side of the muffler, and the air inlet and the air outlet on the sides of the volute form a novel cooling air flue which enables temperatures of muffler to be lowered remarkably, thereby reducing overall temperatures of the digital generator unit. The generated power of the digital generator can be designed higher so as to improve the overall performance of the digital generator unit.
Description
Technical field
The utility model relates to the small generator field, relates in particular to a kind of digital electricity generating.
Background technique
Digital electricity generating is a kind ofly to produce electric energy by the engine driven generators synchronous working, by inverter the electric energy of this output is handled making all very high small generators of performance such as frequency, waveform, voltage again.Compare with common small generator, volume is smaller and more exquisite, more reliable performance, and the power supply quality is higher; In addition, the rotating speed of motor changes along with the variation of load in good time, and like this, its oil consumption will be littler when rated load is following in the oil consumption of motor, thereby reach purpose of energy saving.
Has only a cooling blower in the existing digital electricity generating group mostly, and the heating component in the unit is many, as motor, generator, inverter and silencing apparatus etc., these heating component are all dispelled the heat by a cooling blower, air channel design, topology layout all are very difficult, be that structural design is very complicated, cost is high, or be to reduce engine power to use, be difficult in and solve the problem that temperature uprises under the motor fully loaded situation.
For example, existing the most common digital electricity generating, its structure mainly comprises: a frame support that plays the integrated support effect; Be arranged at motor on the frame support and one with the coaxial setting of engine crankshaft and by engine-driven generator; Be arranged at the inverter of generator one side on the frame support; With the generator coaxle setting and with the cooling blower of inverter adjacent, and the fan housing that is arranged at cooling blower and generator outside; The silencing apparatus that is arranged at motor one side on the frame support and links to each other with the engine exhaust emission pipe, and be arranged at the outer thermal shield of silencing apparatus.The digital electricity generating of this existing structure, has only a cooling blower, and with this cooling blower cooling system of digital electricity generating as a whole, the air intake place cooling inverter of this cooling blower, the air cooling motor that cooled electric generator in fan housing, fan housing are gone out also cools off silencing apparatus by the lingering remnants of past customs of engine cylinder head at last.This structure all can produce better cooling effect to inverter, generator, motor, but owing to reach the just lingering remnants of past customs of silencing apparatus part, it can only cool off the part of silencing apparatus, so very poor to the cooling effect of silencing apparatus.And silencing apparatus is to belong to the bigger member of heating value, after silencing apparatus is overheated, makes that whole digital electricity generating local temperature is too high, thereby causes the complete machine temperature imbalance, and then influence machine performance, and the output power of motor is declined to a great extent.In order to prevent that engine output from declining to a great extent and the generator local temperature is too high, have only the reduction generator power, thereby reduce heating value, like this, just the lifting to generator performance has produced restriction.
Simultaneously, the digital electricity generating of above-mentioned this existing structure, compare with traditional common small generator, cancelled engine flywheel, so total can be smaller and more exquisite relatively, but owing to cancelled flywheel, causing each Scantlings size to be compared with traditional common small generator changes, so when making each member in the parts such as generator, motor is needed independent die sinking, if make the digital electricity generating that the manufacturer of traditional common small generator wants to produce above-mentioned this existing structure, just there is the excessive problem of cost.
Therefore, how to provide a kind of cooling effect better, can reduce the digital electricity generating bulk temperature, thereby make the whole generator performance get a promotion, the producer of the common small generator that feasible simultaneously production is traditional is the digital electricity generating of suitable for producing also, and just becoming the present technique field has a difficult problem to be solved.
The model utility content
Technical problem to be solved in the utility model is: in order to overcome above-mentioned the deficiencies in the prior art, and provide a kind of cooling effect better, can reduce the whole generator temperature, the producer of the common small generator that feasible simultaneously production is traditional is the digital electricity generating unit of suitable for producing also.
In order to solve the problems of the technologies described above, adopted following technological scheme in the utility model:
A kind of digital electricity generating unit, comprise a motor carrying cooling system, with the generator of the coaxial setting of engine crankshaft one end, the cooling blower that is arranged on the inverter on the external stability supporting frame and the silencing apparatus that links to each other with the engine exhaust emission pipe, forms by volute and impeller; Cooling blower is between motor and inverter, impeller is with being located on the other end of engine crankshaft, volute is located at impeller outer, and side that volute and inverter are adjacent and a side adjacent with motor are respectively equipped with intake grill, and the side that volute and silencing apparatus are adjacent is provided with exhaust outlet; Described inverter is corresponding with the intake grill of cooling blower, and is located at a side of described silencing apparatus.
Further, described cooling blower is centrifugal cooling blower.
Improvements of the present utility model just are, changed the layout structure of existing digital electricity generating described in the background technique, a cooling blower and corresponding volute have been set up simultaneously, form new air channel, simultaneously, the exhaust outlet in the original air channel of motor also is positioned at silencing apparatus and exhaust pipe position, and the air channel of newly establishing and the air-out in original air channel all concentrate on the silencing apparatus position of heating value maximum and it is cooled off, thereby make that whole digital electricity generating cooling effect is better; Members such as motor of the present utility model and generator can directly adopt traditional common small generator and the member in traditional digital electricity generating to assemble formation simultaneously.
In sum, than prior art, cooling blower that the utility model is newly established and volute have formed new cooling duct, can partly effectively cool off script cooling effect bad silencing apparatus and thermal shield, make that the temperature of silencing apparatus and thermal shield part is significantly descended, reduced the bulk temperature of digital electricity generating unit, the generated output of digital electricity generating just can design De Genggao like this, digital electricity generating overall performance and reliability have been improved, simultaneously, the utility model can directly adopt traditional common small generator and the member in traditional digital electricity generating to assemble formation, the utility model just is suitable for producing the manufacturer production of traditional common small generator especially like this, has the low advantage of cost of production.
Description of drawings
Fig. 1 is the structural representation of the utility model digital electricity generating unit.
Fig. 2 is the structural representation that wind direction flows in the digital electricity generating unit;
Wherein cooling blower has part-structure to cut open to demonstrate the structure of its inner impeller and cooling blower, and thermal shield top removes a part of with the clear flow direction that shows internal muffler structure and cooling air simultaneously.
Fig. 3 is the structural representation of cooling blower impeller.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is done explanation in further detail.
As shown in Figure 1, 2, a kind of digital electricity generating unit, comprise: motor 1 with damping device and one and the coaxial setting of engine crankshaft are also looked up by engine-driven generator 2(side shown in scheme to go up, motor 1 is positioned at the intermediate portion of whole device, and generator 2 is positioned at position, motor 1 left side); The inverter 9(of cooling blower 5 one sides that is located at motor 1 the right is from figure, and inverter 9 is arranged at the rightmost of whole device), inverter 9 is corresponding with the intake grill 8 of cooling blower 5; The rotor of generator 2 is provided with an impeller 3.1 coaxial with the bent axle of motor 1, and fan housing 3.3, this fan housing 3.3 is provided with intake grill 3.2, simultaneously be provided with air guide sleeve 4 at exit position, engine cylinder and the cylinder head position of fan housing 3.3, the exhaust pipe adjacent of opposite side and motor 1 and volute 6 places set out the air port; Its air-out also has cooling action to exhaust pipe and silencing apparatus 11.Generator 2 is positioned among the described fan housing 3.3, the impeller 3.1 of generator amature, cooling blower can and the rotation synchronously together of the bent axle of motor 1; Air intake in the cooling blower 3 formed air channels cools off generator 2 in fan housing inside, but air-out cooled engine 1, silencing apparatus 11 and exhaust pipe.
Improvement of the present utility model is, is provided with a cooling blower 5 between inverter 9 and motor 1 crankcase side cover, and the impeller 7 of cooling blower 5 is coaxial and by the motor driven rotary with engine output shaft.Cooling blower 5 is provided with volute 6, and the intake grill 8 of volute 6 is relative with the radiating fin of described engine crankcase limit lid and inverter 9, and the exhaust outlet 10 of volute 6 is relative with silencing apparatus 11.
Because the intake grill 8 of the volute 6 of centrifugal cooling blower is in a side adjacent with motor, distinguished and admirablely when air intake, can cool off so fan is formed motor, simultaneously, in a side adjacent intake grill 8 is arranged also with the radiating fin of inverter 9, so the air intake of cooling blower distinguished and admirablely also can cool off inverter during at air intake in that inverter 9 these sides are formed, and the exhaust outlet 10 of volute 6 is positioned at a side adjacent with silencing apparatus 11, so the cooling blower air-out can be cooled off silencing apparatus 10, make the heat of silencing apparatus 11 and thermal shield 12 parts to be taken away, its temperature is reduced by air-out.
The structure of cooling blower impeller as shown in Figure 3, the impeller 7 of cooling blower comprises a ring matrix 14 and evenly is arranged at the arc shaped blade 15 of matrix both sides, the direct when mounted inner ring sleeve fixed cover with matrix 14 makes it rotate with bent axle on bent axle, can produce centrifugal distinguished and admirable.
Fig. 2 can show in the utility model air channel and the wind direction by two cooling systems of cooling blower 3 and cooling blower 5 each self-forming, motor 1 start end is by rotor, cooling blower impeller 3.1 and fan housing 3.3 are formed first centrifugal fan together, because the central area of centrifugal cooling blower impeller 3.1 is subjected to a bigger negative pressure, so outside air can suck effectively by the intake grill 3.2 of fan housing, after cooling air enters in the fan housing 3.3 by intake grill 3.2, but cooled electric generator 2, cooling air in fan housing tangentially the outlet of direction enter in the radiating fin of the cylinder body of motor 1 and cylinder head, but the cylinder body of cooled engine 1, cylinder head and crankcase body.Exhaust outlet and exhaust pipe, silencing apparatus 11 over against, exhaust pipe and silencing apparatus 11 are also played good cooling action.
The cooling blower 5 of motor 1 output terminal and volute 6 are formed second centrifugal blower, it is same because the central area of centrifugal cooling blower impeller 7 is subjected to a bigger negative pressure, so can passing through the intake grill 8 of the intermediate portion of volute 6 both sides, outside air sucks effectively, simultaneously by just having cooling air to flow through in the cooling air channels that motor 1 crankcase limit is covered and the volute air intake surface is formed, the heat that produces during motor 1 work will be delivered to crankcase body and the limit covers, take away by the cooling air in the cooling air channels, inverter 9 also is arranged in another intake grill place of volute 6 simultaneously, also forms a cooling air channels between the intake grill of inverter 9 and volute 6.During engine operation, the heat transfer that inverter 9 produces is to the radiating fin of inverter shell, cooling air by cooling air channels is taken away, thereby reach purpose to inverter 9 heat radiations, after cooling air enters into this volute inside by described cooling air channels, flow out exhaust outlet 10 in the effect lower edge of centrifugal cooling blower cooling blower 5 tangent to periphery directions.Cooling air is taken away the heat that silencing apparatus 11 produces, thereby is reached the purpose of cooling silencing apparatus 11 from entering the cooling air channels that silencing apparatus 11 and thermal shield 12 form after exhaust outlet 10 flows out.
Because whole this layout: the center of gravity of motor 1 and the assembly that links to each other with motor 1 is positioned among the zone of whole digital electricity generating device, center of gravity also is located in the neutral position of whole digital electricity generating device so, so this electricity generating device has just obtained good weight balancing, makes this electricity generating device can carry very easily, load and unload and transport.
Need to prove at last, the place that the utility model is made creative contribution for prior art is on the basis of existing digital electricity generating layout structure, creatively between motor and silencing apparatus, set up a centrifugal cooling blower, thereby heating component such as the motor of logarithmic code generator set, generator, inverter and silencing apparatus carry out efficiently radiates heat.The utility model topology layout and air channel are reasonable in design, and simple in structure, cost is lower, guarantees the raising of engine power by effective reduction temperature.
Protection domain of the present utility model is not limited in this mode of execution, can also make all changes that is equal at the described protection domain of claim 1.Specifically; as long as the digital electricity generating integral layout is to have adopted the described layout of the utility model claim 1; also cooling fan and fan housing have been set up simultaneously at corresponding position; and needn't manage its each concrete component any different improvement is arranged self; the concrete structure that also needn't manage its cooling fan or fan housing has anything to change, and all should be considered as falling into protection domain of the present utility model.
Claims (2)
1. digital electricity generating unit, it is characterized in that, comprise the motor (1) that carries cooling system (3), with the generator (2) of the coaxial setting of engine crankshaft one end, be arranged on the inverter (9) on the external stability supporting frame, the silencing apparatus (11) that links to each other with the engine exhaust emission pipe, the cooling blower of forming by volute (6) and impeller (7) (5); Cooling blower (5) is positioned between motor (1) and the inverter (9), impeller (7) is with being located on the other end of engine crankshaft, volute (6) is located at outside the impeller (7), side that volute (6) is adjacent with inverter (9) and a side adjacent with motor (1) are respectively equipped with intake grill (8), and the side that volute (6) is adjacent with silencing apparatus (11) is provided with exhaust outlet (10); Described inverter (9) is corresponding with the intake grill of cooling blower (5), and is located at a side of described silencing apparatus (11).
2. according to the described digital electricity generating unit of claim 1, it is characterized in that described cooling blower (5) is centrifugal cooling blower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200120467U CN201934189U (en) | 2011-01-17 | 2011-01-17 | Digital generator unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200120467U CN201934189U (en) | 2011-01-17 | 2011-01-17 | Digital generator unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201934189U true CN201934189U (en) | 2011-08-17 |
Family
ID=44445710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200120467U Expired - Lifetime CN201934189U (en) | 2011-01-17 | 2011-01-17 | Digital generator unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201934189U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102042070A (en) * | 2011-01-17 | 2011-05-04 | 重庆力华科技有限责任公司 | Digital generator device |
| CN102383908A (en) * | 2011-10-27 | 2012-03-21 | 山东华盛农业药械有限责任公司 | Cooling device of engine of blowing and sucking blade machine |
| CN105927413A (en) * | 2016-05-27 | 2016-09-07 | 隆鑫通用动力股份有限公司 | Engine crankcase and engine thereof |
| CN112943436A (en) * | 2019-04-12 | 2021-06-11 | 重庆鑫源农机股份有限公司 | Air duct type cooling frequency conversion unit and layout method thereof |
-
2011
- 2011-01-17 CN CN2011200120467U patent/CN201934189U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102042070A (en) * | 2011-01-17 | 2011-05-04 | 重庆力华科技有限责任公司 | Digital generator device |
| CN102042070B (en) * | 2011-01-17 | 2012-10-17 | 重庆力华科技有限责任公司 | Digital generator device |
| CN102383908A (en) * | 2011-10-27 | 2012-03-21 | 山东华盛农业药械有限责任公司 | Cooling device of engine of blowing and sucking blade machine |
| CN102383908B (en) * | 2011-10-27 | 2013-02-13 | 山东华盛农业药械有限责任公司 | Cooling device of engine of blowing and sucking blade machine |
| CN105927413A (en) * | 2016-05-27 | 2016-09-07 | 隆鑫通用动力股份有限公司 | Engine crankcase and engine thereof |
| CN105927413B (en) * | 2016-05-27 | 2019-02-26 | 隆鑫通用动力股份有限公司 | Engine crankcase and its engine |
| CN112943436A (en) * | 2019-04-12 | 2021-06-11 | 重庆鑫源农机股份有限公司 | Air duct type cooling frequency conversion unit and layout method thereof |
| CN112943436B (en) * | 2019-04-12 | 2022-07-01 | 重庆鑫源农机股份有限公司 | Air duct type cooling frequency conversion unit and layout method thereof |
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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: 20110817 Effective date of abandoning: 20130227 |
|
| RGAV | Abandon patent right to avoid regrant |