CN201134737Y - AC generator parallelly using three-phase and single-phase - Google Patents
AC generator parallelly using three-phase and single-phase Download PDFInfo
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- CN201134737Y CN201134737Y CNU2007201886509U CN200720188650U CN201134737Y CN 201134737 Y CN201134737 Y CN 201134737Y CN U2007201886509 U CNU2007201886509 U CN U2007201886509U CN 200720188650 U CN200720188650 U CN 200720188650U CN 201134737 Y CN201134737 Y CN 201134737Y
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- 238000004804 winding Methods 0.000 claims abstract description 97
- 239000003990 capacitor Substances 0.000 claims description 14
- 230000001681 protective effect Effects 0.000 claims description 13
- 238000005070 sampling Methods 0.000 claims description 13
- 230000003321 amplification Effects 0.000 claims description 11
- 230000005284 excitation Effects 0.000 claims description 11
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 11
- 238000002955 isolation Methods 0.000 claims description 9
- 230000000087 stabilizing effect Effects 0.000 claims description 9
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model discloses a three-phase single-phase dual-purpose alternator, which comprises a stator and a rotor, wherein coil inserting grooves are evenly distributed on the inner wall of the stator and A, B and C three-phase winding groups are evenly inserted in the coil inserting grooves. The alternator is characterized in that a fourth winding group D is also coiled in the coil inserting grooves, a tap connecting pressure regulator is arranged on the B phase winding group, the tap connecting pressure regulator is arranged on the fourth winding group D, public ends N of the A, B and C three-phase winding groups are connected with the pressure regulator, two output ends of the pressure regulator are respectively connected on a positive pole winding group and a negative pole winding group of the rotor, two auxiliary ends are also arranged on the pressure regulator, the auxiliary ends are connected with auxiliary winding groups, and the auxiliary winding groups are inserted in the coil inserting grooves of the stator. The alternator has the beneficial effects that not only two phase alternating current can be output, but also three phase alternating current can be output, and the alternator also can regulate the rotary speed of the rotor self-adaptively according to load.
Description
Technical field
The utility model belongs to generator, relates in particular to a kind of three-phase, single-phase and use alternating current generator.
Background technology
General generator mainly is used under the power-off condition, plays interim generating.General generator is divided into DC generator and alternating current generator, wherein alternating current generator is divided into diphaser and threephase alternator, with the threephase alternator is example: it is formed structure and comprises stator and rotor, on the inwall of stator, be evenly distributed with line embedding groove, even embedding is wound with A, B, C three phase windings in this line embedding groove, connect mode or triangle connected mode for star between A, B, C three phase windings, winding in the triangle connected mode connects from beginning to end, and three tie points are three output output three-phase alternating currents of generator; The shared common port N of three windings of winding that star connects in the mode exports as center line, and other three free ends are exported as line current respectively.Three phase windings of alternating current generator want coiling even, and load balancing, could guarantee the operating current of motor output safety, in case the resistance of a certain phase winding or load generation significant change, the output current of motor changes, and will burn motor.Therefore, existing three phase electric machine must guarantee that three phase windings work simultaneously, and three outputs are exported three-phase electricity simultaneously could normal operation.
The shortcoming of existing alternating current generator is: all can only export three-phase alternating current or two-phase alternating current, not have a kind of motor can export two-phase alternating current, can export three-phase alternating current again.
The utility model content
At the problem that prior art exists, the purpose of this utility model is to provide a kind of three-phase, single-phase and use alternating current generator, can export two-phase alternating current, can export three-phase alternating current again.
For achieving the above object, the technical solution of the utility model is as follows: a kind of three-phase, single-phase and use alternating current generator, comprise stator and rotor, on the inwall of stator, be evenly distributed with line embedding groove, even embedding is wound with A in this line embedding groove, B, C three phase windings, described A, B, connect mode for star between C three phase windings, its key is: also embedding is wound with the 4th winding D in described line embedding groove, the 4th winding D and described A, B, insulate between C three phase windings, described B phase winding is provided with first test side that tap is connected voltage regulator, described the 4th winding D is provided with second test side that tap is connected voltage regulator, described A, B, the common port N of C three phase windings is connected the 3rd test side of voltage regulator, two outputs of this voltage regulator just are being connected to described rotor, on the negative pole winding, this voltage regulator also is provided with two auxiliary ends, should be connected with auxiliary winding by auxiliary end, this auxiliary winding embedding is in the line embedding groove of described stator.
Described voltage regulator is made up of sample circuit, amplification output circuit, excitation control circuit, protective circuit and auxiliary power circuit;
Described sample circuit is by three-phase commutation bridge, electrochemical capacitor, divider resistance and adjustable resistor are formed, three inputs of described three-phase commutation bridge connect described B phase winding respectively, the tap of the 4th winding D and common port N, to the B phase winding, the ac voltage sampling of the tap of the 4th winding D and common port N, the positive pin of the described electrochemical capacitor of positive supply termination of three-phase commutation bridge, the negative pin of the described electrochemical capacitor of negative supply termination, described divider resistance and adjustable resistor just are being serially connected in described electrochemical capacitor successively, between the negative pin, wherein the common port of divider resistance output direct current sampling value is given described amplification output circuit;
Sample circuit carries out rectifying and wave-filtering to the sampled voltage of importing and obtains the direct current sampling value.
Described amplification output circuit is made up of pressure limiting diode, triode, earth resistance and pull-up resistor, wherein the negative terminal of pressure limiting diode receives the direct current sampling value of described sample circuit output, the base stage of the positive described triode of termination, connect described negative power end behind the described earth resistance of this base stage string, the emitter of triode connects described negative power end, be connected with the anode of described rotor winding behind the described pull-up resistor of collector electrode string, the collector electrode of described triode also connects described excitation control circuit;
Amplification output circuit compares the reference voltage of direct current sampling value and circuit setting, the output amplifying signal.
Described excitation control circuit is by voltage stabilizing didoe, the second switch pipe, diode, feedback resistance and isolation capacitance are formed, wherein the grid of second switch pipe connects the collector electrode of described triode, this grid also connects the anode of described voltage stabilizing didoe, the negative terminal of voltage stabilizing didoe connects described negative power end, the drain electrode of described second switch pipe connects described negative power end, source electrode connects the anode of described diode, the negative terminal of this diode connects the anode of described rotor winding, after the source electrode of described second switch pipe is connected in series described feedback resistance, be connected with an end of described isolation capacitance, the base stage of the described triode of another termination of this isolation capacitance, the source electrode of described second switch pipe also output drive signal are given described protective circuit;
Excitation control circuit utilizes amplifying signal to drive second switch management and control system exciting current size, reaches the purpose of control voltage.
Described protective circuit is made up of the 3rd switching tube, gated diode, resistance and source resistance, wherein the grid of the 3rd switching tube receives the drive signal of described second switch pipe source electrode output, this grid is also gone here and there described resistance and is connected with the anode of described rotor winding, the described source resistance of source electrode string of the 3rd switching tube is connected with the anode of described rotor winding, the drain electrode of the 3rd switching tube is connected with the negative terminal of described rotor winding, described gated diode is serially connected between the drain electrode and grid of the 3rd switching tube, and its negative terminal is connected with the drain electrode of the 3rd switching tube;
Protective circuit is the attached protective circuit of voltage regulator.
Described auxiliary power circuit is made up of two-phase rectifier bridge and electric capacity, wherein two of the two-phase rectifier bridge inputs connect described auxiliary winding respectively, two-phase rectifier bridge negative terminal is connected with described negative power end, anode is connected with the anode of described rotor winding, the positive pole of electric capacity connects two-phase rectifier bridge anode, minus earth.
Auxiliary power circuit is assisted the voltage commutation of winding and is filtered into direct voltage motor, for the rotor winding provides field power supply.
Beneficial effect: a kind of three-phase, single-phase and use alternating current generator is provided, can have exported two-phase alternating current, can export three-phase alternating current again, and can also regulate rotor speed according to the payload self adaptation.
Description of drawings
Fig. 1 is the electrical schematic diagram of generator;
Fig. 2 is the circuit diagram of voltage regulator;
Fig. 3 is an A phase winding rule expanded view;
Fig. 4 is a B phase winding rule expanded view;
Fig. 5 is a C phase winding rule expanded view;
Fig. 6 is the 4th winding D rule expanded view;
Fig. 7 is the layout of stator line embedding groove.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
As Fig. 1,3,4,5,6, shown in 7, a kind of three-phase, single-phase and use alternating current generator, comprise stator 1 and rotor 2, on the inwall of stator 1, be evenly distributed with line embedding groove 1a, even embedding is wound with A in this line embedding groove 1a, B, C three phase windings and the 4th winding D, described A, B, connect mode for star between C three phase windings, described the 4th winding D and described A, B, insulate between C three phase windings, described B phase winding is provided with first test side that tap is connected voltage regulator 3, described the 4th winding D is provided with second test side that tap is connected voltage regulator 3, described A, B, the common port N of C three phase windings is connected the 3rd test side of voltage regulator 3, two outputs of this voltage regulator 3 just are being connected to described rotor 2, on the negative pole winding, this voltage regulator 3 also is provided with two auxiliary ends, should be connected with auxiliary winding E by auxiliary end, this auxiliary winding E embedding is in the line embedding groove 1a of described stator 1.
As shown in Figure 1, 2, described voltage regulator 3 is made up of sample circuit 4, amplification output circuit 5, excitation control circuit 6, protective circuit 7 and auxiliary power circuit 8;
Described sample circuit 4 is by three-phase commutation bridge T1, electrochemical capacitor C1, divider resistance R2, R3 and adjustable resistor W1 form, three inputs of described three-phase commutation bridge T1 connect described B phase winding respectively, the tap of the 4th winding D and common port N, to the B phase winding, the ac voltage sampling of the tap of the 4th winding D and common port N, the positive pin of the described electrochemical capacitor C1 of positive supply termination of three-phase commutation bridge T1, the negative pin of the described electrochemical capacitor C1 of negative supply termination, described divider resistance R2, R3 and adjustable resistor W1 just are being serially connected in described electrochemical capacitor C1 successively, bear between the pin, wherein divider resistance R2, the common port output direct current sampling value of R3 is given described amplification output circuit 5;
The sampled voltage of 4 pairs of inputs of sample circuit carries out rectifying and wave-filtering and obtains the direct current sampling value.
Described amplification output circuit 5 is made up of pressure limiting diode DW1, triode Q1, earth resistance R4 and pull-up resistor R5, wherein the negative terminal of pressure limiting diode DW1 receives the direct current sampling value of described sample circuit 4 outputs, the base stage of the positive described triode Q1 of termination, connect described negative power end behind the described earth resistance R4 of this base stage string, the emitter of triode Q1 connects described negative power end, be connected with the anode of described rotor 2 windings behind the described pull-up resistor R5 of collector electrode string, the collector electrode of described triode Q1 also connects described excitation control circuit 6;
The reference voltage that 5 pairs of direct current sampling values of amplification output circuit and circuit are set compares, the output amplifying signal.
Described excitation control circuit 6 is by voltage stabilizing didoe DW2, second switch pipe Q2, diode D9, feedback resistance R6 and isolation capacitance C2 form, wherein the grid of second switch pipe Q2 connects the collector electrode of described triode Q1, this grid also connects the anode of described voltage stabilizing didoe DW2, the negative terminal of voltage stabilizing didoe DW2 connects described negative power end, the drain electrode of described second switch pipe Q2 connects described negative power end, source electrode connects the anode of described diode D9, the negative terminal of this diode D9 connects the anode of described rotor 2 windings, after the source electrode of described second switch pipe Q2 is connected in series described feedback resistance R6, be connected with the end of described isolation capacitance C2, the base stage of the described triode Q1 of another termination of this isolation capacitance C2, the source electrode of described second switch pipe Q2 also output drive signal are given described protective circuit 7;
Described protective circuit 7 is by the 3rd switching tube Q3, gated diode DW3, resistance R8 and source resistance R9 form, wherein the grid of the 3rd switching tube Q3 receives the drive signal of described second switch pipe Q2 source electrode output, this grid is also gone here and there described resistance R8 and is connected with the anode of described rotor 2 windings, the described source resistance R9 of the source electrode string of the 3rd switching tube Q3 is connected with the anode of described rotor 2 windings, the drain electrode of the 3rd switching tube Q3 is connected with the negative terminal of described rotor 2 windings, described gated diode DW3 is serially connected between the drain electrode and grid of the 3rd switching tube Q3, and its negative terminal is connected with the drain electrode of the 3rd switching tube Q3;
Described auxiliary power circuit 8 is made up of two-phase rectifier bridge T2 and capacitor C 4, wherein two of two-phase rectifier bridge T2 inputs connect described auxiliary winding E respectively, two-phase rectifier bridge T2 negative terminal is connected with described negative power end, anode is connected with the anode of described rotor 2 windings, the positive pole of capacitor C 4 connects two-phase rectifier bridge T2 anode, minus earth.
The voltage commutation of the auxiliary winding E of 8 pairs of motors of auxiliary power circuit also is filtered into direct voltage, for rotor 2 windings provide field power supply.
Its operation principle is:
When the power supply object is two phase loads, enable the 4th winding D, two output output two-phase alternating current electricity of the 4th winding D, the tap voltage of the tap voltage of the 4th winding D and common port N is given voltage regulator 3 as sampled voltage, the rotating speed of voltage regulator control rotor 2.
When the power supply object is threephase load, enable A, B, C three phase windings, three output output three-phase alternating currents of this three phase winding, wherein the tap of the tap voltage of the 4th winding D and common port N is given voltage regulator 3 as sampled voltage, the rotating speed of voltage regulator control rotor 2.
Claims (2)
1, a kind of three-phase, single-phase and use alternating current generator, comprise stator (1) and rotor (2), on the inwall of stator (1), be evenly distributed with line embedding groove (1a), even embedding is wound with A in this line embedding groove (1a), B, C three phase windings, described A, B, connect mode for star between C three phase windings, it is characterized in that: also embedding is wound with the 4th winding D in described line embedding groove (1a), the 4th winding D and described A, B, insulate between C three phase windings, described B phase winding is provided with first test side that tap is connected voltage regulator (3), described the 4th winding D is provided with second test side that tap is connected voltage regulator (3), described A, B, the common port N of C three phase windings is connected the common ground end of voltage regulator (3), two outputs of this voltage regulator (3) just are being connected to described rotor (2), on the negative pole winding, this voltage regulator (3) also is provided with two auxiliary ends, should be connected with auxiliary winding (E) by auxiliary end, this auxiliary winding (E) embedding is in the line embedding groove (1a) of described stator (1).
2, according to the described three-phase of claim 1, single-phase and use alternating current generator, it is characterized in that: described voltage regulator (3) is made up of sample circuit (4), amplification output circuit (5), excitation control circuit (6), protective circuit (7) and auxiliary power circuit (8);
Described sample circuit (4) is by three-phase commutation bridge (T1), electrochemical capacitor (C1), divider resistance (R2, R3) and adjustable resistor (W1) form, three inputs of described three-phase commutation bridge (T1) connect described B phase winding respectively, the tap of the 4th winding D and common port N, to the B phase winding, the ac voltage sampling of the tap of the 4th winding D and common port N, the positive pin of the described electrochemical capacitor of positive supply termination (C1) of three-phase commutation bridge (T1), the negative pin of the described electrochemical capacitor of negative supply termination (C1), described divider resistance (R2, R3) and adjustable resistor (W1) just be serially connected in described electrochemical capacitor (C1) successively, bear between the pin, wherein divider resistance (R2, R3) common port output direct current sampling value is given described amplification output circuit (5);
Described amplification output circuit (5) is by pressure limiting diode (DW1), triode (Q1), earth resistance (R4) and pull-up resistor (R5) are formed, wherein the negative terminal of pressure limiting diode (DW1) receives the direct current sampling value of described sample circuit (4) output, the base stage of the positive described triode of termination (Q1), connect described negative power end behind the described earth resistance of this base stage string (R4), the emitter of triode (Q1) connects described negative power end, the described pull-up resistor of collector electrode string (R5) back is connected with the anode of described rotor (2) winding, and the collector electrode of described triode (Q1) also connects described excitation control circuit (6);
Described excitation control circuit (6) is by voltage stabilizing didoe (DW2), second switch pipe (Q2), diode (D9), feedback resistance (R6) and isolation capacitance (C2) are formed, wherein the grid of second switch pipe (Q2) connects the collector electrode of described triode (Q1), this grid also connects the anode of described voltage stabilizing didoe (DW2), the negative terminal of voltage stabilizing didoe (DW2) connects described negative power end, the drain electrode of described second switch pipe (Q2) connects described negative power end, source electrode connects the anode of described diode (D9), the negative terminal of this diode (D9) connects the anode of described rotor (2) winding, after the source electrode of described second switch pipe (Q2) is connected in series described feedback resistance (R6), be connected with an end of described isolation capacitance (C2), the base stage of the described triode of another termination (Q1) of this isolation capacitance (C2), the source electrode of described second switch pipe (Q2) also output drive signal are given described protective circuit (7);
Described protective circuit (7) is by the 3rd switching tube (Q3), gated diode (DW3), resistance (R8) and source resistance (R9) are formed, wherein the grid of the 3rd switching tube (Q3) receives the drive signal of described second switch pipe (Q2) source electrode output, this grid is also gone here and there described resistance (R8) and is connected with the anode of described rotor (2) winding, the described source resistance of source electrode string (R9) of the 3rd switching tube (Q3) is connected with the anode of described rotor (2) winding, the drain electrode of the 3rd switching tube (Q3) is connected with the negative terminal of described rotor (2) winding, described gated diode (DW3) is serially connected between the drain electrode and grid of the 3rd switching tube (Q3), and its negative terminal is connected with the drain electrode of the 3rd switching tube (Q3);
Described auxiliary power circuit (8) is made up of two-phase rectifier bridge (T2) and electric capacity (C4), wherein two inputs of two-phase rectifier bridge (T2) connect described auxiliary winding (E) respectively, two-phase rectifier bridge (T2) negative terminal is connected with described negative power end, anode is connected with the anode of described rotor (2) winding, the positive pole of electric capacity (C4) connects two-phase rectifier bridge (T2) anode, minus earth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201886509U CN201134737Y (en) | 2007-12-25 | 2007-12-25 | AC generator parallelly using three-phase and single-phase |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201886509U CN201134737Y (en) | 2007-12-25 | 2007-12-25 | AC generator parallelly using three-phase and single-phase |
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| Publication Number | Publication Date |
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| CN201134737Y true CN201134737Y (en) | 2008-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201886509U Expired - Lifetime CN201134737Y (en) | 2007-12-25 | 2007-12-25 | AC generator parallelly using three-phase and single-phase |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103066759A (en) * | 2012-12-27 | 2013-04-24 | 浙江新华和通用机械有限公司 | Single-three phase dual-purpose switching device of engine set |
| CN104038004A (en) * | 2013-03-08 | 2014-09-10 | 科勒公司 | Alternator for power generation system |
| CN105186815A (en) * | 2015-09-25 | 2015-12-23 | 南昌康富科技股份有限公司 | Composite excitation synchronous generator capable of outputting single-phase and three-phase voltages simultaneously |
| CN110086390A (en) * | 2018-01-25 | 2019-08-02 | 重庆和亚科技有限公司 | The generating equipment and packaged type generating set of double voltage gradations are provided |
| CN112134499A (en) * | 2020-08-27 | 2020-12-25 | 上海沪工焊接集团股份有限公司 | Voltage stabilizing circuit of double-voltage generator |
| CN114747133A (en) * | 2019-11-19 | 2022-07-12 | 株式会社开道 | Control apparatus for motor-driven lifting device |
| DE102021120008A1 (en) | 2021-08-02 | 2023-02-02 | Generator.Technik.Systeme Gmbh & Co. Kg | Road construction machine, alternator and method of operating the road construction machine and dimensioning the alternator |
-
2007
- 2007-12-25 CN CNU2007201886509U patent/CN201134737Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103066759A (en) * | 2012-12-27 | 2013-04-24 | 浙江新华和通用机械有限公司 | Single-three phase dual-purpose switching device of engine set |
| CN104038004A (en) * | 2013-03-08 | 2014-09-10 | 科勒公司 | Alternator for power generation system |
| CN105186815A (en) * | 2015-09-25 | 2015-12-23 | 南昌康富科技股份有限公司 | Composite excitation synchronous generator capable of outputting single-phase and three-phase voltages simultaneously |
| CN110086390A (en) * | 2018-01-25 | 2019-08-02 | 重庆和亚科技有限公司 | The generating equipment and packaged type generating set of double voltage gradations are provided |
| CN110086390B (en) * | 2018-01-25 | 2021-03-30 | 重庆和亚科技有限公司 | Power generation equipment and portable generator sets that provide dual voltage levels |
| CN114747133A (en) * | 2019-11-19 | 2022-07-12 | 株式会社开道 | Control apparatus for motor-driven lifting device |
| CN112134499A (en) * | 2020-08-27 | 2020-12-25 | 上海沪工焊接集团股份有限公司 | Voltage stabilizing circuit of double-voltage generator |
| DE102021120008A1 (en) | 2021-08-02 | 2023-02-02 | Generator.Technik.Systeme Gmbh & Co. Kg | Road construction machine, alternator and method of operating the road construction machine and dimensioning the alternator |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SENCI ELECTROMECHANICAL CO., LTD. Free format text: FORMER OWNER: AI CHUN Effective date: 20130529 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 400700 BEIPEI, CHONGQING TO: 400709 BEIPEI, CHONGQING |
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| TR01 | Transfer of patent right |
Effective date of registration: 20130529 Address after: 400709 Chongqing city town Beibei District Tong Xing Road No. 200 Patentee after: Chongqing Senci Electric Machinery Co., Ltd. Address before: 400700 Chongqing city Beibei District of Tianshengqiao No. 80 Fort saponin Patentee before: Ai Chun |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081015 |