CN111446819A - Generator of variable circuit rectifier bridge - Google Patents
Generator of variable circuit rectifier bridge Download PDFInfo
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- CN111446819A CN111446819A CN202010240545.5A CN202010240545A CN111446819A CN 111446819 A CN111446819 A CN 111446819A CN 202010240545 A CN202010240545 A CN 202010240545A CN 111446819 A CN111446819 A CN 111446819A
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- 238000013461 design Methods 0.000 description 1
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- H02K11/046—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/04—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for rectification
- H02K11/049—Rectifiers associated with stationary parts, e.g. stator cores
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Abstract
The invention relates to the field of generators, in particular to a generator with a variable circuit rectifier bridge. A generator of a variable circuit rectifier bridge comprises a rectifier bridge and a stator wire group connected with the rectifier bridge, wherein the stator wire group is connected with a variable circuit controller; the variable circuit controller is connected with a control switch group which can control the internal connection of the stator wire group; the stator winding comprises a first stator wire, a second stator wire and a third stator wire, and the control switch group controls the first stator wire, the second stator wire and the third stator wire to form star connection or angle connection by controlling the rotatable switch arm. The variable circuit controller controls the control switch group to change the connection mode inside the stator winding, the connection mode inside the stator winding can be changed into star connection or angle connection as required, the generator can work in a better state under different conditions, the working efficiency of the generator is improved, and a more lasting and efficient working state is kept.
Description
Technical Field
The invention relates to the field of generators, in particular to a generator with a variable circuit rectifier bridge.
Background
In electronic engineering, three-phase alternating current is generally connected by three different conductors, the three voltages are equal in amplitude and frequency and 120 degrees out of phase with each other, a conventional triangular △ connection generator is connected by a fixed insert in a stator or a rectifier bridge bracket, the connection line can output more current at higher rotating speed, but the output capacity is inhibited at low rotating speed, the conventional star-shaped Y connection generator is connected by a fixed insert in a stator or a rectifier bridge bracket, the connection line can output more current at lower rotating speed, but the output capacity is inhibited at high rotating speed, the conventional star-shaped Y connection generator is difficult to meet the requirement of users that the generator has higher output performance at low rotating speed and high rotating speed, the volume of the conventional generator is increased to improve the output performance under the condition of not changing the working principle of the conventional generator, the specific power of the generator is low in ratio to the volume, and the space requirement of the vehicle is increased more and more compact.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the generator with the variable circuit rectifier bridge, which can output more effectively under different conditions.
The specific technical scheme of the invention is as follows:
a generator of a variable circuit rectifier bridge comprises a rectifier bridge and a stator wire group connected with the rectifier bridge, wherein the stator wire group is connected with a variable circuit controller;
the variable circuit controller is connected with a control switch group which can control the internal connection of the stator wire group;
the stator winding comprises a first stator wire, a second stator wire and a third stator wire, and the control switch group controls the first stator wire, the second stator wire and the third stator wire to form star connection or angle connection by controlling the rotatable switch arm.
Preferably, when the amount of the generator current is greater than a predetermined current value, a connection manner among the first stator wire, the second stator wire, and the third stator wire is an angular connection manner.
Preferably, when the amount of generator current is less than a predetermined current value, the first stator wire, the second stator wire, and the third stator wire are connected in a star connection manner.
Preferably, the first stator wire and the second stator wire are connected through a first control switch key, the second stator wire and the third stator wire are connected through a second control switch key, and the first stator wire and the third stator wire are connected through a third control switch key.
Preferably, the first control switch key includes a first switch arm and a second switch arm that are rotatable; the second control switch key comprises a third switch arm and a fourth switch arm which can rotate; the third control switch key includes a fifth switch arm and a sixth switch arm that are rotatable.
Preferably, the first switch arm and the second switch arm can rotate by using a first fixed line embedded point of the first control switch key as a dot; the third switch arm and the fourth switch arm can rotate by taking a second fixed line embedded point of the second control switch key as a circular point; the fifth switch arm and the sixth switch arm can rotate by taking a third fixed line embedded point of the third control switch key as a dot.
Preferably, when the current amount of the generator is greater than a preset current value, the first switch arm is connected with the first connection end of the first stator wire, and the sixth switch arm is connected with the second connection end of the first stator wire;
the second control switch key is connected with the third connecting end of the second stator wire, and the third switch arm is connected with the fourth connecting end of the second stator wire;
the fourth switching arm is connected to the fifth connection end of the third stator wire, and the fifth switching arm is connected to the sixth connection end of the third stator wire.
In a preferred embodiment of the present invention, the first switch arm, the second switch arm, the third switch arm, the fourth switch arm, the fifth switch arm, and the sixth switch arm may be connected to a fixed wire.
Preferably, when the current amount of the generator is smaller than a preset current value, the first switch arm is connected with the fixed line at an embedding point, and the second switch arm is connected with the third connecting end;
the third switch arm is connected with the fixed line embedding point, and the fourth switch arm is connected with the fifth connecting end;
the fifth switch arm is connected with the fixed line embedding point, and the sixth switch arm is connected with the second connecting end.
Preferably, when the current amount of the generator is smaller than a preset current value, the first switch arm is connected with the first connection end, and the second switch arm is connected with the fixed wire embedding point;
the third switch arm is connected with the fourth connecting end, and the fourth switch arm is connected with the embedded point of the fixed line;
the fifth switch arm is connected with the sixth connecting end, and the sixth switch arm is connected with the fixed line embedding point.
In conclusion, the invention has the following beneficial effects:
the variable circuit controller controls the control switch group to change the connection mode inside the stator winding, the connection mode of the star connection or the angular connection inside the stator winding can be changed as required, the generator can work in a better state under different conditions, the working efficiency of the generator is improved, and a more lasting and efficient working state is kept.
1. The electric circuit is switched to a triangular △ wiring at high rotation speed, so that the output performance of the generator at high rotation speed is improved.
2. The variable circuit rectifier bridge is designed, and the star-shaped Y connection of an electric circuit is kept at a low rotating speed, so that the output performance of the generator at the low rotating speed is improved.
Drawings
FIG. 1 is a block diagram of a generator with a variable circuit rectifier bridge according to the present invention;
FIG. 2 is a schematic diagram of a variable circuit rectifier bridge generator of the present invention in an angular connection;
FIG. 3 is a schematic diagram of a variable circuit rectifier bridge generator of the present invention in a star connection;
fig. 4 is another schematic diagram of a generator with a variable circuit rectifier bridge according to the present invention in a star connection.
In the figure, 1-a rectifier bridge, 2-a stator wire group, 21-a first stator wire, 211-a first connecting end, 212-a second connecting end, 22-a second stator wire, 221-a third connecting end, 222-a fourth connecting end, 23-a third stator wire, 231-a fifth connecting end, 232-a sixth connecting end, 31-a first control switch key, 311-a first switch arm, 312-second switch arm, 32-second control switch key, 321-third switch arm, 322-fourth switch arm, 33-third control switch key, 331-fifth switch arm, 332-sixth switch arm, 4-variable circuit controller, 0-fixed line embedded point, 01-first fixed line embedded point, 02-second fixed line embedded point and 03-third fixed line embedded point.
Detailed Description
The invention will be further explained by means of specific embodiments with reference to the drawings.
Referring to fig. 1-4, a generator with a variable circuit rectifier bridge comprises a rectifier bridge 1, a stator wire group 2 connected with the rectifier bridge 1, wherein the stator wire group 2 is connected with a variable circuit controller 4;
the variable circuit controller 4 is connected with a control switch group which can control the internal connection of the stator wire group 2;
the stator winding 2 comprises a first stator wire 21, a second stator wire 22 and a third stator wire 23, and the control switch group controls the first stator wire 21, the second stator wire 22 and the third stator wire 23 to form star connection or angle connection by controlling a rotatable switch arm.
The traditional triangular connection generator realizes the connection method through a fixed inserted line in a stator or a rectifier bridge bracket, the connection circuit can output more current at higher rotating speed, but the output capacity is restrained to have low output efficiency at low rotating speed; conventional wye Y-connected generators achieve this connection by means of fixed inserts in the stator or in the rectifier bridge legs, which can output more current at lower speeds, but at high speeds the output capacity is inhibited. From this, through the inside connected mode of variable circuit controller 4 control switch group change stator winding 2, can change stator winding 2 inside as required and be star connection or angular form connection, all can work with more excellent state under different conditions, promote the work efficiency of generator, keep more lasting efficient operating condition.
When the current of the generator is larger than a preset current value (namely, a generator revolution number precalculated value which can be obtained through an early stage experiment according to an actual generator), the generator can be triggered by the current or the motor revolution number when a trigger condition is actually obtained, the first stator wire 21, the second stator wire 22 and the third stator wire 23 are connected in an angle connection mode, and the output capacity is better when the generator runs at a high speed by connecting in a triangular mode.
When the current amount of the generator is smaller than a preset current value, the connection mode among the first stator wire 21, the second stator wire 22 and the third stator wire 23 is a star connection mode, and the star connection mode is adopted, so that the output capacity is better when the generator runs at a low speed.
The first stator wire 21 is connected with the second stator wire 22 through a first control switch key 31, the second stator wire 22 is connected with the third stator wire 23 through a second control switch key 32, and the first stator wire 21 is connected with the third stator wire 23 through a third control switch key 33.
The first control switch key 31 comprises a first switch arm 311 and a second switch arm 312 which can rotate; the second control switch 32 comprises a third switch arm 321 and a fourth switch arm 322 which can rotate; the third control switch key 33 includes a fifth switch arm 331 and a sixth switch arm 332 that are rotatable.
The first switch arm 311 and the second switch arm 312 can rotate with the first fixed line embedded point 01 of the first control switch key 31 as a dot; the third switch arm 321 and the fourth switch arm 322 can rotate with the second fixed line embedded point 02 of the second control switch key 32 as a dot; the fifth switch arm 331 and the sixth switch arm 332 can rotate with the third fixed line segment 03 of the third control switch key 33 as a dot.
When the generator current is greater than a preset current value, the first switch arm 311 is connected to the first connection end 211 of the first stator wire 21, and the sixth switch arm 332 is connected to the second connection end 212 of the first stator wire 21; the second control switch 32 is connected to the third connection terminal 221 of the second stator wire 22, and the third switch arm 321 is connected to the fourth connection terminal 222 of the second stator wire 22; the fourth switching arm 322 is connected to the fifth connection terminal 231 of the third stator wire 23, and the fifth switching arm 331 is connected to the sixth connection terminal 232 of the third stator wire 23.
The first switch arm 311, the second switch arm 312, the third switch arm 321, the fourth switch arm 322, the fifth switch arm 331, and the sixth switch arm 331 can all be connected to a fixed wire insertion point 0.
When the current of the generator is smaller than a preset current value, the first switch arm 311 is connected with the fixed line embedded point 0, and the second switch arm 312 is connected with the third connection end 221; the third switch leg 321 is connected to the fixed line insertion point 0, and the fourth switch leg 322 is connected to the fifth connection terminal 231; the fifth switch arm 331 is connected to the fixed line insertion point 0, and the sixth switch arm 331 is connected to the second connection terminal 212.
When the amount of the generator current is smaller than a preset current value, the first switch arm 311 is connected with the first connection end 211, and the second switch arm 312 is connected with the fixed line embedded point 0; the third switch arm 321 is connected to the fourth connection end 222, and the fourth switch arm 322 is connected to the fixed wire insertion point 0; the fifth switch arm 331 is connected to the sixth connection end 232, and the sixth switch arm 331 is connected to the fixed wire insertion point 0.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and do not limit the spirit and scope of the present invention. Various modifications and improvements of the technical solutions of the present invention may be made by those skilled in the art without departing from the design concept of the present invention, and the technical contents of the present invention are all described in the claims.
Claims (10)
1. A generator of a variable circuit rectifier bridge is characterized in that: the variable circuit control device comprises a rectifier bridge (1) and a stator wire group (2) connected with the rectifier bridge (1), wherein the stator wire group (2) is connected with a variable circuit controller (4);
the variable circuit controller (4) is connected with a control switch group which can control the internal connection of the stator wire group (2);
the stator winding (2) comprises a first stator wire (21), a second stator wire (22) and a third stator wire (23), and the control switch group controls the first stator wire (21), the second stator wire (22) and the third stator wire (23) to form star connection or angle connection through controlling a rotatable switch arm.
2. A variable circuit rectifier bridge generator as claimed in claim 1, wherein: when the current amount of the generator is larger than a preset current value, the first stator wire (21), the second stator wire (22) and the third stator wire (23) are connected in an angular connection mode.
3. A variable circuit rectifier bridge generator as claimed in claim 1, wherein: when the current amount of the generator is smaller than a preset current value, the connection mode among the first stator wire (21), the second stator wire (22) and the third stator wire (23) is a star connection mode.
4. A variable circuit rectifier bridge generator as claimed in claim 2 or 3, wherein: the first stator wire (21) is connected with the second stator wire (22) through a first control switch key (31), the second stator wire (22) is connected with the third stator wire (23) through a second control switch key (32), and the first stator wire (21) is connected with the third stator wire (23) through a third control switch key (33).
5. The generator of claim 4, wherein: the first control switch key (31) comprises a first switch arm (311) and a second switch arm (312) which can rotate; the second control switch key (32) comprises a third switch arm (321) and a fourth switch arm (322) which can rotate; the third control switch key (33) includes a fifth switch arm (331) and a sixth switch arm (332) that are rotatable.
6. The variable circuit rectifier bridge generator of claim 5, wherein: the first switch arm (311) and the second switch arm (312) can rotate by taking a first fixed line embedded point (01) of the first control switch key (31) as a dot; the third switch arm (321) and the fourth switch arm (322) can rotate by taking a second fixed line embedded point (02) of the second control switch key (32) as a circular point; the fifth switch arm (331) and the sixth switch arm (332) can rotate with a third fixed line insertion point (03) of the third control switch key (33) as a dot.
7. The generator of claim 6, wherein: when the current amount of the generator is larger than a preset current value, the first switch arm (311) is connected with the first connecting end (211) of the first stator wire (21), and the sixth switch arm (332) is connected with the second connecting end (212) of the first stator wire (21);
the second control switch (32) is connected to the third connection (221) of the second stator wire (22), and the third switch arm (321) is connected to the fourth connection (222) of the second stator wire (22);
the fourth switching arm (322) is connected to the fifth connection end (231) of the third stator wire (23), and the fifth switching arm (331) is connected to the sixth connection end (232) of the third stator wire (23).
8. The generator of claim 6, wherein: the first switch arm (311), the second switch arm (312), the third switch arm (321), the fourth switch arm (322), the fifth switch arm (331) and the sixth switch arm (331) can be connected with a fixed line embedding point (0).
9. A variable circuit rectifier bridge generator as claimed in claim 8, wherein: when the current amount of the generator is smaller than a preset current value, the first switch arm (311) is connected with the fixed line embedding point (0), and the second switch arm (312) is connected with the third connecting end (221);
the third switch arm (321) is connected with the fixed wire embedding point (0), and the fourth switch arm (322) is connected with the fifth connecting end (231);
the fifth switch arm (331) is connected with the fixed line embedding point (0), and the sixth switch arm (331) is connected with the second connecting end (212).
10. A variable circuit rectifier bridge generator as claimed in claim 8, wherein: when the current amount of the generator is smaller than a preset current value, the first switch arm (311) is connected with the first connection end (211), and the second switch arm (312) is connected with the fixed line embedding point (0);
the third switch arm (321) is connected with the fourth connecting end (222), and the fourth switch arm (322) is connected with the fixed wire embedding point (0);
the fifth switch arm (331) is connected with the sixth connecting end (232), and the sixth switch arm (331) is connected with the fixed line embedding point (0).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010240545.5A CN111446819A (en) | 2020-03-31 | 2020-03-31 | Generator of variable circuit rectifier bridge |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010240545.5A CN111446819A (en) | 2020-03-31 | 2020-03-31 | Generator of variable circuit rectifier bridge |
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| CN111446819A true CN111446819A (en) | 2020-07-24 |
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| CN202010240545.5A Pending CN111446819A (en) | 2020-03-31 | 2020-03-31 | Generator of variable circuit rectifier bridge |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2313322Y (en) * | 1997-04-24 | 1999-04-07 | 福建省仙游电机厂 | Variable commutator brush-less generator for automobile |
| CN101686033A (en) * | 2008-09-26 | 2010-03-31 | 张宏亮 | Series-connection hybrid electric vehicle and permanent magnet generator control method and power generating device thereof |
| CN109314481A (en) * | 2016-06-17 | 2019-02-05 | Abb瑞士股份有限公司 | For controlling the method and electric system of electric system |
-
2020
- 2020-03-31 CN CN202010240545.5A patent/CN111446819A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2313322Y (en) * | 1997-04-24 | 1999-04-07 | 福建省仙游电机厂 | Variable commutator brush-less generator for automobile |
| CN101686033A (en) * | 2008-09-26 | 2010-03-31 | 张宏亮 | Series-connection hybrid electric vehicle and permanent magnet generator control method and power generating device thereof |
| CN109314481A (en) * | 2016-06-17 | 2019-02-05 | Abb瑞士股份有限公司 | For controlling the method and electric system of electric system |
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Application publication date: 20200724 |
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