CN201781388U - Dual permanent-magnet power-frequency brushless synchronous generator - Google Patents
Dual permanent-magnet power-frequency brushless synchronous generator Download PDFInfo
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- CN201781388U CN201781388U CN2010205168627U CN201020516862U CN201781388U CN 201781388 U CN201781388 U CN 201781388U CN 2010205168627 U CN2010205168627 U CN 2010205168627U CN 201020516862 U CN201020516862 U CN 201020516862U CN 201781388 U CN201781388 U CN 201781388U
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Abstract
The utility model relates to a dual permanent-magnet power-frequency brushless synchronous generator. A composite stator, a permanent-magnet rotor and a compensation rotor are mounted inside a generator body; the permanent-magnet rotor and the compensation rotor are arranged at the lower end of the composite stator; a permanent-magnet exciter component and a signal sensor component are mounted at the rear end of the composite stator and the rear end of the compensation rotor; rotary AVRs (Automatic Voltage Regulator) are mounted at the lower end of the permanent-magnet exciter component and the lower end of the signal sensor component; the permanent-magnet exciter component comprises a permanent-magnet exciter stator and a permanent-magnet exciter rotor; and the signal sensor component comprises a signal sensor stator and a signal sensor rotor. The utility model adopts a forward and reverse series connection compensation technology to improve the adaptive capacity of motor power factors, uses the rotary AVRs to overcome the defects that a conventional permanent-magnet power-frequency brushless synchronous generator is uncontrollable in excitation and nonadjustable in voltage to improve the voltage adjustment level, adopts a permanent-magnet excitation technology to improve the efficiency by four percent to eight percent in comparison with the electric excitation power-frequency brushless synchronous generator, and to reduce the volume and the weight by 30 percent to 40 percent; and the copper and iron material consumption can be saved by about 20 percent to 30 percent.
Description
Technical field
The utility model relates to a kind of magneto, especially a kind of pair of permanent magnetism power frequency no-brush synchronous generator.
Background technology
At present, widely used power frequency no-brush synchronous generator is the power frequency no-brush synchronous generator of electric excitation.Through the development in nearly century more than one, this product technology is very ripe, and all there is this product standard of oneself various countries.The national standard of this series products of China is: JB/T10747-2007 " overall salient type brushless three-phase synchronous generator technical conditions ".
Electricity excitation power frequency no-brush synchronous generator electrical performance indexes is good, can satisfy the requirement of various users to power supply quality, but compare with permanent magnetism power frequency no-brush synchronous generator, and its efficient is lower, and volume is big simultaneously, quality is heavier.And advantage such as though present permanent magnetism power frequency synchronous generator has that volume is little, light weight, efficient height, consumptive material are few.But this generator is because excitation is uncontrollable, and voltage is non-adjustable, and stable state pressure regulation rate variance makes power supply quality relatively poor; Power-factor of load adaptive capacity is also poor, and the power-factor of load can only be 0.9 (hysteresis); Under above-mentioned load, the pressure regulation rate can only reach ± and 10%; Generator cold and hot change in voltage is also bigger or the like.
The performance of above-mentioned permanent magnet generator does not satisfy the needs of most use users to power supply quality, so that promoting the use of of this kind brushless, permanently power frequency generator be restricted.
The utility model content
At the weak point that exists in the problems referred to above, the utility model provides that a kind of to solve existing permanent magnetism power frequency no-brush synchronous generator excitation uncontrollable, voltage is non-adjustable, the shortcoming of stable state pressure regulation rate variance can also improve two permanent magnetism power frequency no-brush synchronous generators of the power factor adaptive capacity of permanent magnetism power frequency no-brush synchronous generator.
For achieving the above object, the utility model provides a kind of pair of permanent magnetism power frequency no-brush synchronous generator, compound stator, p-m rotor and compensation rotor are installed in the inside of body, described p-m rotor and described compensation rotor are arranged on the lower end of described compound stator, one end of rotor is arranged in the inside of described body, in the rear end of described compound stator and described compensation rotor permanent magnet excitation thermomechanical components and signal transducer assembly are installed, rotation AVR also is installed in the lower end of described permanent magnet excitation thermomechanical components and described signal transducer assembly; Described permanent magnet excitation thermomechanical components is made of permanent magnet excitation machine stator and described permanent magnet excitation machine rotor, and described permanent magnet excitation machine stator is arranged on the upper end of described permanent magnet excitation machine rotor; Described signal transducer assembly is made of signal transducer stator and signal transducer rotor, and described signal transducer stator is arranged on the upper end of described signal transducer rotor.
Described compound stator is made of permanent magnet motor stator that is connected in series and small electromotor stator.
Described p-m rotor adopts multiple rotor magnetic circuit structural to constitute, and described multiple rotor magnetic circuit structural is divided into radially magnetic shoe formula magnetic structure, built-in tangential formula magnetic structure and built-in mixed magnetic structure.
Described body is made of support, front end housing and rear end cap, and described front end housing and described rear end cap are installed in the two ends of described support, the bearing fixing in the bearing chamber that described rotor covers by described front and back ends, and be arranged in the described support.
On described support, outlet box is installed, measuring unit also is installed in described outlet box.
Front end at described p-m rotor also is equipped with internal fan.
Rear end at described rear end cap is equipped with external fan.
The outside at described support is equipped with fan guard.
Compared with prior art, the utlity model has following advantage:
The utility model provides a kind of pair of permanent magnetism power frequency no-brush synchronous generator, in the inside of body compound stator is installed, p-m rotor and compensation rotor, p-m rotor and compensation rotor are arranged on the lower end of compound stator, one end of rotor is arranged in the inside of body, in compound stator and the rear end that compensates rotor permanent magnet excitation thermomechanical components and signal transducer assembly are installed, rotation AVR also is installed in the lower end of permanent magnet excitation thermomechanical components and signal transducer assembly, the permanent magnet excitation thermomechanical components is made of permanent magnet excitation machine stator and described permanent magnet excitation machine rotor, and the signal transducer assembly is made of signal transducer stator and signal transducer rotor.The utility model is compared with electric excitation generator, and its volume and weight can be dwindled 30%--40%, and manufactured materials can be economized 20%--30%, adopts forward and reverse Series Compensation, has improved the adaptive capacity of motor power factor; It is uncontrollable to utilize rotation AVR can solve existing permanent magnetism power frequency no-brush synchronous generator excitation, the nonadjustable shortcoming of voltage, the adjustment level of raising voltage; Adopt the permanent magnet excitation technology, the comparable electric excitation power frequency no-brush synchronous generator of efficient improves 4～8 percentage points.
Description of drawings
Fig. 1 partial sectional view of the present utility model;
Fig. 2 is the end view of Fig. 1.
Main component symbol in addition is described as follows:
1 rotor, 2 front end housings, 3 outlet boxes
4 supports, 5 measuring units, 6 compound stators
7 p-m rotors, 8 compensation rotors, 9 permanent magnet excitation machine stators
10 permanent magnet excitation machine rotors, 11 signal transducer stators, 12 signal transducer rotors
13 external fans, 14 rear end caps, 15 rotation AVR
16 fan guards, 17 internal fans, 18 bearings
Embodiment
Extremely shown in Figure 2 as Fig. 1, the utility model provides a kind of pair of permanent magnetism power frequency no-brush synchronous generator, body is made of support 4, compound stator 6, permanent magnet excitation machine stator 9, rotor 1, front end housing 2 and rear end cap 14, in the outside of support 4 fan guard 16 is installed, front end housing 2 and rear end cap 14 are installed in the two ends of support 4, one end of rotor 1 is through front end housing 2, and the other end passes rear end cap 14, and is arranged in the support 4.Compound stator 6, p-m rotor 7, compensation rotor 8 and bearing 18 are installed in the inside of support 4, and p-m rotor 7 and compensation rotor 8 are arranged on the lower end of compound stator 6, and compound stator 6 is made of permanent magnet motor stator that is connected in series and small electromotor stator.P-m rotor 7 adopts multiple rotor magnetic circuit structural to constitute, and multiple rotor magnetic circuit structural is divided into radially magnetic shoe formula magnetic structure, built-in tangential formula magnetic structure and built-in mixed magnetic structure.In compound stator 6 and the rear end that compensates rotor 7 permanent magnet excitation thermomechanical components and signal transducer assembly are installed, rotation AVR15 also is installed in the lower end of permanent magnet excitation thermomechanical components and signal transducer assembly.The permanent magnet excitation thermomechanical components is made of permanent magnet excitation machine stator 9 and permanent magnet excitation machine rotor 10, and permanent magnet excitation machine stator 9 is arranged on the upper end of permanent magnet excitation machine rotor 10.The signal transducer assembly is made of signal transducer stator 11 and signal transducer rotor 12, and signal transducer stator 11 is arranged on the upper end of signal transducer rotor 12.Outlet box 3 is installed on support 4, measuring unit 5 also is installed in outlet box 3, this measuring unit is installed in the inside sidewalls of outlet box.Front end at p-m rotor 7 also is equipped with internal fan 17, in the rear end of rear end cap external fan 13 is installed.
Operation principle of the present utility model is described below:
Generator drags down at prime mover, and when reaching the rated speed left and right sides, the permanent magnetism main generator sends the floating voltage above rated voltage, and the permanent magnet excitation machine also sends for exciting exciting voltage.After rotation AVR is subjected to the generator floating voltage and is higher than rated voltage (or other voltage of adjusting) by signal transducer, the exciting current of supplying with compensated dynamo will be regulated, make generator voltage get back to rated voltage (or other voltages of adjusting), regulate the pressure regulation potentiometer, generator voltage can be adjusted on the position of needed rated voltage (or other voltage of adjusting).After generator adds load, rotation AVR experiences the change in voltage after the loading, and it will regulate the exciting current of supplying with compensated dynamo, and terminal voltage is got back near the rated voltage (or other voltage of adjusting), it is constant to keep terminal voltage, reaches the purpose of constant generator voltage.
It is uncontrollable that the utility model has solved in the existing permanent magnetism power frequency no-brush synchronous generator excitation, and voltage can not be adjusted, power factor bad adaptability, steady state voltage are adjusted rate variance, the voltage cold and hot changes problem greatly.
In addition, the utility model has solved also in the existing electric excitation power frequency no-brush synchronous generator that generator efficiency is lower, the generator volume is big, the more problem of generator consumptive material.
It is uncontrollable that the utility model utilization rotation AVR solves existing permanent magnetism power frequency no-brush synchronous generator excitation, the non-adjustable problem of voltage; Adopt forward and reverse Series Compensation, improve the power factor adaptive capacity of permanent magnetism power frequency no-brush synchronous generator, make
(hysteresis) or
(hysteresis); The steady state voltage that adopts rotation AVR technology to improve permanent magnet generator is adjusted horizontal stu≤± 2.5%; Adopt the permanent magnet excitation technology, the comparable electric excitation power frequency no-brush synchronous generator of efficient improves 4～8 percentage points; Volume and weight can dwindle 30%～40%, and consumptive material (copper, iron) can be saved about 30%.
The utility model is overcome many performance deficiencies of former permanent magnetism power frequency no-brush synchronous generator owing to realized the scalable function of permanent magnetism power frequency no-brush synchronous generator excitation.Advantages such as two permanent magnetism power frequency no-brush synchronous generators are again a kind of permanent magnetism power frequency no-brush synchronous generators, and it has kept, and former permanent magnet generator volume is little, light weight, efficient height, consumptive material are few.So two permanent magnetism power frequency no-brush synchronous generators are energy-conserving products of a kind of efficient, material-saving.
Only the above person only is preferred embodiment of the present utility model, is familiar with the professional person of this skill such as. after understanding technological means of the present utility model, natural energy is changed under instruction of the present utility model according to the needs of reality.Therefore all equal variation and modifications of being done according to the utility model claim should still belong in the scope that the utility model patent contains.
Claims (6)
1. two permanent magnetism power frequency no-brush synchronous generator, compound stator, p-m rotor and compensation rotor are installed in the inside of body, described p-m rotor and described compensation rotor are arranged on the lower end of described compound stator, one end of rotor is arranged in the inside of described body, it is characterized in that, in the rear end of described compound stator and described compensation rotor permanent magnet excitation thermomechanical components and signal transducer assembly are installed, rotation AVR also is installed in the lower end of described permanent magnet excitation thermomechanical components and described signal transducer assembly;
Described permanent magnet excitation thermomechanical components is made of permanent magnet excitation machine stator and described permanent magnet excitation machine rotor, and described permanent magnet excitation machine stator is arranged on the upper end of described permanent magnet excitation machine rotor;
Described signal transducer assembly is made of signal transducer stator and signal transducer rotor, and described signal transducer stator is arranged on the upper end of described signal transducer rotor.
2. a kind of pair of permanent magnetism power frequency no-brush synchronous generator as claimed in claim 1 is characterized in that described compound stator is made of permanent magnet motor stator that is connected in series and small electromotor stator.
3. a kind of pair of permanent magnetism power frequency no-brush synchronous generator as claimed in claim 1, it is characterized in that, described p-m rotor adopts multiple rotor magnetic circuit structural to constitute, and described multiple rotor magnetic circuit structural is divided into radially magnetic shoe formula magnetic structure, built-in tangential formula magnetic structure and built-in mixed magnetic structure.
4. a kind of pair of permanent magnetism power frequency no-brush synchronous generator as claimed in claim 1, it is characterized in that, described body is made of support, front end housing and rear end cap, described front end housing and described rear end cap are installed in the two ends of described support, bearing fixing in the bearing chamber that described rotor covers by described front and back ends, and be arranged in the described support.
5. a kind of pair of permanent magnetism power frequency no-brush synchronous generator as claimed in claim 4 is characterized in that, on described support outlet box is installed, and measuring unit also is installed in described outlet box.
6. a kind of pair of permanent magnetism power frequency no-brush synchronous generator as claimed in claim 1 is characterized in that, at the front end of described p-m rotor internal fan is installed also.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205168627U CN201781388U (en) | 2010-09-02 | 2010-09-02 | Dual permanent-magnet power-frequency brushless synchronous generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205168627U CN201781388U (en) | 2010-09-02 | 2010-09-02 | Dual permanent-magnet power-frequency brushless synchronous generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201781388U true CN201781388U (en) | 2011-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205168627U Expired - Fee Related CN201781388U (en) | 2010-09-02 | 2010-09-02 | Dual permanent-magnet power-frequency brushless synchronous generator |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102315736A (en) * | 2010-09-02 | 2012-01-11 | 深圳市安托山特种机械有限公司 | Double permanent magnet power-frequency brushless synchronous generator |
| CN102403934A (en) * | 2011-08-16 | 2012-04-04 | 深圳市安托山特种机械有限公司 | Voltage signal rotation sensor of dual-redundancy permanent magnet power frequency brushless synchronous generator |
| WO2013075264A1 (en) * | 2011-11-22 | 2013-05-30 | 深圳市安托山特种机械有限公司 | Power frequency brushless synchronous generator with twin permanent magnets |
| CN106026575A (en) * | 2016-07-22 | 2016-10-12 | 佛山市奥力博动力工程有限公司 | Novel hybrid excitation generator |
| CN104638860B (en) * | 2013-11-11 | 2018-05-25 | 黄劭刚 | Harmonic wave self-excitation combined magnetic pole AC exciter |
-
2010
- 2010-09-02 CN CN2010205168627U patent/CN201781388U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102315736A (en) * | 2010-09-02 | 2012-01-11 | 深圳市安托山特种机械有限公司 | Double permanent magnet power-frequency brushless synchronous generator |
| CN102403934A (en) * | 2011-08-16 | 2012-04-04 | 深圳市安托山特种机械有限公司 | Voltage signal rotation sensor of dual-redundancy permanent magnet power frequency brushless synchronous generator |
| WO2013023333A1 (en) * | 2011-08-16 | 2013-02-21 | 深圳市安托山特种机械有限公司 | Dual permanent magnetic power frequency brushless synchronization generator voltage signal rotation sensor |
| WO2013075264A1 (en) * | 2011-11-22 | 2013-05-30 | 深圳市安托山特种机械有限公司 | Power frequency brushless synchronous generator with twin permanent magnets |
| CN104638860B (en) * | 2013-11-11 | 2018-05-25 | 黄劭刚 | Harmonic wave self-excitation combined magnetic pole AC exciter |
| CN106026575A (en) * | 2016-07-22 | 2016-10-12 | 佛山市奥力博动力工程有限公司 | Novel hybrid excitation generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Tool for installing and fixing dual permanent magnet power frequency brushless synchronous generator magnetic shoe Effective date of registration: 20130710 Granted publication date: 20110330 Pledgee: Guangdong Development Bank, Limited by Share Ltd, Shenzhen branch Pledgor: Shenzhen Antuoshan Special Machine & Electrical Co., Ltd. Registration number: 2013990000442 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110330 Termination date: 20190902 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |