CN204231245U - A kind of low-voltage direct permanent magnet generator unit - Google Patents
A kind of low-voltage direct permanent magnet generator unit Download PDFInfo
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- CN204231245U CN204231245U CN201420761884.8U CN201420761884U CN204231245U CN 204231245 U CN204231245 U CN 204231245U CN 201420761884 U CN201420761884 U CN 201420761884U CN 204231245 U CN204231245 U CN 204231245U
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Abstract
The utility model discloses a kind of low-voltage direct permanent magnet generator unit, comprises diesel engine, permanent magnet generator, rectifier bridge, filter and oil machine controller; The input of described rectifier bridge is electrically connected with the output of permanent magnet generator, and the output of rectifier bridge is electrically connected with the input of filter, and the output of filter is the DC output end of generating set; Described permanent magnet generator is permanent-magnetic outer rotor generator, and the flywheel of diesel engine is in transmission connection by the rotor of bolt and permanent-magnetic outer rotor generator; The test side of described oil machine controller is electrically connected with described DC output end, and the output of oil machine controller is connected to the modulator pressure regulator of diesel engine.The utility model generator unit structure is simple, efficiency is high, high financial profit.
Description
Technical field
The utility model relates to electrical generator fields, particularly relates to a kind of low-voltage direct permanent magnet generator unit.
Background technology
Along with the fast development of mobile communications industry, newly-built mobile base station and reconstruction mobile base station also get more and more thereupon, and communication industry generating set is as the important component part of mobile base station, and its demand is also increasing.Current base station adopts universal standard threephase alternator to be stand-by power supply mostly, and ensure the normal work of base station, its groundwork is the charge in batteries in base station, simultaneously when mains supply is once interruption, provides base station other electricity consumption facility powers.And original universal standard threephase alternator can produce larger voltage and current ripple at work, this to a certain extent can the signal transmission of interference base station communication equipment, on the other hand, different filling with required electricity input under floating charge pattern soon during charge in batteries, the power consumption that other power consumption equipments of base station are sent out in addition also changes at any time, namely the load of generator is different, and rotating speed is constant during the output different loads of universal standard threephase alternator, such oil machine fuel consumption increases, fuel oil is wasted, and discharge increases.Therefore, be necessary to provide a kind of generating set energy-conservation more economically.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of more energy-conservation low-voltage direct permanent magnet generator unit.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of low-voltage direct permanent magnet generator unit, comprises diesel engine, permanent magnet generator, rectifier bridge, filter and oil machine controller; The input of described rectifier bridge is electrically connected with the output of permanent magnet generator, and the output of rectifier bridge is electrically connected with the input of filter, and the output of filter is the DC output end of generating set; Described permanent magnet generator is permanent-magnetic outer rotor generator, and the flywheel of diesel engine is in transmission connection by the rotor of bolt and permanent-magnetic outer rotor generator; The test side of described oil machine controller is electrically connected with described DC output end, and the output of oil machine controller is connected to the modulator pressure regulator of diesel engine.
Further, described permanent magnet generator is three-phase permanent outer rotor generator.
Further, described permanent magnet generator is six-phase permanent-magnet outer rotor generator.
Further, the number of poles of described permanent-magnetic outer rotor generator is 16 poles, 20 poles or 32 poles.
Further, described rectifier bridge is provided with radiator.
Further, the output frequency of described permanent-magnetic outer rotor generator is 300-500Hz.
Further, the modulator pressure regulator of described diesel engine is electrical proportional control valve.
The beneficial effects of the utility model are: be different from existing generating set and adopt electric excitation generator, its rotating speed all sets and can not adjust, the utility model low-voltage direct permanent magnet generator unit adopts permanent-magnetic outer rotor generator, the flywheel of diesel engine is in transmission connection by bolt and rotor, simple and reliable for structure, oil machine controller regulates the size of diesel engine throttle with adjusting rotary speed according to the load of generating set, ensure that output voltage is set point, thus saving fuel consume, reduce costs, increase economic efficiency.
Accompanying drawing explanation
Fig. 1 is the composition frame chart of the utility model one execution mode mesolow DC permanent magnetic generator group;
Fig. 2 is the cutaway view of permanent-magnetic outer rotor generator in the utility model one execution mode.
Label declaration:
1, rotor; 2, stator; 3, transition connects; 10, diesel engine;
20, permanent-magnetic outer rotor generator; 30, rectifier bridge; 40, filter;
50, oil machine controller; 60, radiator.
Embodiment
By describing technology contents of the present utility model in detail, realized object and effect, accompanying drawing is coordinated to be explained below in conjunction with execution mode.
The design of the utility model most critical is: oil machine controller needs according to load the rotating speed adjusting diesel engine and permanent-magnetic outer rotor generator, thus reaches saving fuel consume, reduces costs, the object of increasing economic efficiency.
Please refer to Fig. 1 and Fig. 2, a kind of low-voltage direct permanent magnet generator unit, comprises diesel engine 10, permanent magnet generator, rectifier bridge 30, filter 40 and oil machine controller 50;
The described input of rectifier bridge 30 is electrically connected with the output of permanent magnet generator, and the output of rectifier bridge 30 is electrically connected with the input of filter 40, and the output of filter 40 is the DC output end of generating set;
Described permanent magnet generator is permanent-magnetic outer rotor generator 20, and the flywheel of diesel engine 10 is in transmission connection by the rotor 1 of bolt and permanent-magnetic outer rotor generator 20;
The test side of described oil machine controller 50 is electrically connected with described DC output end, and the output of oil machine controller 50 is connected to the modulator pressure regulator of diesel engine 10.
From foregoing description, the beneficial effects of the utility model are: the generator of the utility model DC permanent magnetic generator group is permanent-magnetic outer rotor generator 20, and the rotating speed of diesel engine 10 and generator is adjusted by oil machine controller 50, oil machine controller 50 according to the size of generator loading size adjustment unit throttle with adjusting rotary speed, ensure that output voltage is set point, thus saving fuel consume, reduce costs, increase economic efficiency; Further, this generating set adopts permanent-magnetic outer rotor generator 20 as generator, and the flywheel of diesel engine 10 is directly connected with the rotor 1 of generator by bolt, substantially reduces the volume of generating set.
In the present embodiment, described permanent magnet generator is three-phase or six-phase permanent-magnet outer rotor generator 20, and the number of poles of permanent-magnetic outer rotor generator 20 is 16 poles, 20 poles or 32 poles, and the output frequency of permanent-magnetic outer rotor generator 20 is 300-500Hz.
The intermediate frequency low-voltage AC electricity that permanent-magnetic outer rotor generator 20 exports is by becoming the DC power supply that ripple is less, (direct voltage peak-to-peak value is less than 200mV) is straight after three-phase or Six-phase rectifier bridge 30 rectification and filter 40, direct current can be used for the charging of communication base station battery or base station power consumption equipment is powered, oil machine controller 50 regulates the size of diesel engine 10 throttle with adjusting rotary speed according to the load of generating set, ensure that output voltage is set point, thus saving fuel consume, reduce costs, increase economic efficiency.
In another embodiment, the stator 2 of permanent-magnetic outer rotor generator 20 connects 3 by transition and is directly installed on the bell housing of diesel engine 10, is directly installed on the flywheel of diesel engine 10 by the rotor 1 of permanent-magnetic outer rotor generator 20 by bolt.
Further, in the present embodiment, for improving the radiating effect of rectifier bridge 30, ensure that it normally works, described rectifier bridge 30 is provided with radiator 60.
Further, in one embodiment, in order to improve the control precision of oil machine controller 50 pairs of diesel engine 10 throttles, the modulator pressure regulator of described diesel engine 10 is electrical proportional control valve.Oil machine controller 50 accurately can control the throttle size of diesel engine 10 by the angle of flow controlling described electrical proportional control valve.
In sum, not only small volume structure is simple for the low-voltage direct permanent magnet generator unit that the utility model provides, DC ripple is little, little to the interference of communication base station, and can ensure that output voltage is for set point according to the size of generator loading size adjustment unit throttle with adjusting rotary speed, thus saving fuel consume, reduce costs, increase economic efficiency.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalents utilizing the utility model specification and accompanying drawing content to do; or be directly or indirectly used in relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (7)
1. a low-voltage direct permanent magnet generator unit, is characterized in that, comprises diesel engine, permanent magnet generator, rectifier bridge, filter and oil machine controller;
The input of described rectifier bridge is electrically connected with the output of permanent magnet generator, and the output of rectifier bridge is electrically connected with the input of filter, and the output of filter is the DC output end of generating set;
Described permanent magnet generator is permanent-magnetic outer rotor generator, and the flywheel of diesel engine is in transmission connection by the rotor of bolt and permanent-magnetic outer rotor generator;
The test side of described oil machine controller is electrically connected with described DC output end, and the output of oil machine controller is connected to the modulator pressure regulator of diesel engine.
2. low-voltage direct permanent magnet generator unit according to claim 1, is characterized in that, described permanent magnet generator is three-phase permanent outer rotor generator.
3. low-voltage direct permanent magnet generator unit according to claim 1, is characterized in that, described permanent magnet generator is six-phase permanent-magnet outer rotor generator.
4. the low-voltage direct permanent magnet generator unit according to Claims 2 or 3, is characterized in that, the number of poles of described permanent-magnetic outer rotor generator is 16 poles, 20 poles or 32 poles.
5. low-voltage direct permanent magnet generator unit according to claim 4, it is characterized in that, described rectifier bridge is provided with radiator.
6. low-voltage direct permanent magnet generator unit according to claim 5, is characterized in that, the output frequency of described permanent-magnetic outer rotor generator is 300-500Hz.
7. low-voltage direct permanent magnet generator unit according to claim 6, is characterized in that, the modulator pressure regulator of described diesel engine is electrical proportional control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420761884.8U CN204231245U (en) | 2014-12-05 | 2014-12-05 | A kind of low-voltage direct permanent magnet generator unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420761884.8U CN204231245U (en) | 2014-12-05 | 2014-12-05 | A kind of low-voltage direct permanent magnet generator unit |
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| Publication Number | Publication Date |
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| CN204231245U true CN204231245U (en) | 2015-03-25 |
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| CN201420761884.8U Active CN204231245U (en) | 2014-12-05 | 2014-12-05 | A kind of low-voltage direct permanent magnet generator unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110086386A (en) * | 2019-04-28 | 2019-08-02 | 深圳市吉胜华力科技有限公司 | A kind of rareearth permanent-magnet DC generator pressure stabilizing method of adjustment |
-
2014
- 2014-12-05 CN CN201420761884.8U patent/CN204231245U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110086386A (en) * | 2019-04-28 | 2019-08-02 | 深圳市吉胜华力科技有限公司 | A kind of rareearth permanent-magnet DC generator pressure stabilizing method of adjustment |
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