CN105656261A - High-voltage-pulse magnetizing apparatus for reducing motor counter-electromotive-force K coefficient - Google Patents
High-voltage-pulse magnetizing apparatus for reducing motor counter-electromotive-force K coefficient Download PDFInfo
- Publication number
- CN105656261A CN105656261A CN201610148518.9A CN201610148518A CN105656261A CN 105656261 A CN105656261 A CN 105656261A CN 201610148518 A CN201610148518 A CN 201610148518A CN 105656261 A CN105656261 A CN 105656261A
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- China
- Prior art keywords
- motor
- voltage
- relay
- magnetizing apparatus
- electromotive force
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/03—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F13/00—Apparatus or processes for magnetising or demagnetising
- H01F13/003—Methods and devices for magnetising permanent magnets
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Control Of Ac Motors In General (AREA)
Abstract
The invention discloses a high-voltage-pulse magnetizing apparatus for reducing the motor counter-electromotive-force K coefficient. The high-voltage-pulse magnetizing apparatus comprises a transformer and a charging coil, and further comprises a first rectifier bridge, a second rectifier bridge, a diode, a thyristor, a first resistor, a first capacitor, a second resistor, a second capacitor, a charging switch and a magnetizing switch. The input voltage of the transformer is AC220 v, and the transformer is provided with a first input end and a second input end. A first output end carries out secondary-side high voltage outputting. According to the technical scheme, the high-voltage-pulse magnetizing apparatus has the advantages that the KE value is reduced, the starting voltage of a motor is low, the operating speed of the motor is even accordingly, and noise is small; the operating performance of the motor is further improved.
Description
Technical field
The present invention relates to electromagnetic technique, be specifically related to a kind of high-voltage pulse magnetizing apparatus dropping counter electromotive force of motor k-factor.
Background technology
The counter electromotive force of direct-current motor armature is equal to the product of back EMF coefficient with motor angular velocity, i.e. formula: Ea=KE* w, wherein EaFor the counter electromotive force of motor, KEFor back EMF coefficient, w is the angular velocity of motor. Above-mentioned KEOnly relevant with the structural parameters of motor itself. This characteristic is called the K characteristic of motor. K characteristic is a key factor in high-grade direct current micromotor prescription. If above-mentioned KEIt is worth little, then when equal angular velocity, counter electromotive force EaJust low, the startup voltage of motor is just low, thus the running speed of motor is uniform, noise is little. Otherwise KEGao Shi, the startup voltage of motor is just big, and starting current is big, and the service life of motor is short. Dropping low k wherein has a kind of scheme to be exactly the structure changing magnetizer, further enhances the magnetic intensity of magnetic core, reduces K furtherEValue, improves the performance of motor. And existing technology does not provide relevant technology.
Summary of the invention
The invention provides the high-voltage pulse magnetizing apparatus dropping counter electromotive force of motor k-factor, this magnetizing apparatus can change the magnetic intensity that magnetic core magnetizes. Thereby through certain parameter that magnetizes to reduce KEValue, improves the behavior in service of motor.
The invention provides following technical proposals: drop the high-voltage pulse magnetizing apparatus of counter electromotive force of motor k-factor, including transformator, charge coil. Described high-voltage pulse magnetizer also includes the first rectifier bridge, the second rectifier bridge, diode, IGCT, the first resistance, the first electric capacity, the second resistance, the second electric capacity, charge switch, pre exciting switch. The input voltage of described transformator is AC220v, and described transformator is provided with first input end, the second input. Described first outfan is secondary High voltage output. Described second input is the output of secondary low pressure.
Described first outfan accesses described first rectifier bridge, and described second input accesses described second rectifier bridge, described in drop the high-voltage pulse magnetizing apparatus of counter electromotive force of motor k-factor and also include the first relay, the second relay. Described first relay, the second relay control the charging of the first electric capacity and the electric discharge of the second electric capacity respectively. The described high-voltage pulse magnetizing apparatus dropping counter electromotive force of motor k-factor also includes rheostat.Described IGCT is high-power triode thyristor, and described IGCT is used as heavy current electric discharge.
Further, described in drop the high-voltage pulse magnetizing apparatus of counter electromotive force of motor k-factor and also include rheostat, described rheostat is used for setting discharge voltage.
Further, the output voltage of described first outfan is 250V, and the output voltage of described second input is 5V.
The present invention adopts above-mentioned technical scheme to have such beneficial effect: first relay the 15, second relay 16 controls the charging of energy-storage capacitor the first electric capacity 8 respectively and discharges with firing capacitor the second electric capacity 10. Triggering circuit controls the second relay 16 and turns on, and the second electric capacity 10 discharges through the 5th resistance the 18, the 3rd electric capacity 19, triggering and conducting IGCT 6. Now the first electric capacity 8 discharges through IGCT 6. In charge coil 2, produce strong pulsed magnetic field the magnetic core of motor is magnetized. This magnetizing apparatus can change the magnetic intensity that magnetic core magnetizes. Thereby through certain parameter that magnetizes to reduce KEValue. By formula Ea=KE* w tests, by minimum KEValue determines the specifications parameter of each electronic component, thus reducing KEThe purpose of value. KEValue reduces, and the startup voltage of motor is just low, thus the running speed of motor is uniform, noise is little. Further increase the behavior in service of motor.
Accompanying drawing explanation
Fig. 1 is the structural representation of the high-voltage pulse magnetizing apparatus dropping counter electromotive force of motor k-factor of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described with detailed description of the invention.
In Fig. 1: transformator 1, charge coil the 2, first rectifier bridge the 3, second rectifier bridge 4, diode 5, IGCT the 6, first resistance the 7, first electric capacity the 8, second resistance the 9, second electric capacity 10, charge switch 11, pre exciting switch 12, first input end the 13, second input the 14, first relay the 15, second relay 16, rheostat the 17, the 5th resistance the 18, the 3rd electric capacity 19.
The high-voltage pulse magnetizing apparatus of counter electromotive force of motor k-factor drops, including transformator 1, charge coil 2. High-voltage pulse magnetizer also includes first rectifier bridge the 3, second rectifier bridge 4, diode 5, IGCT the 6, first resistance the 7, first electric capacity the 8, second resistance the 9, second electric capacity 10, charge switch 11, pre exciting switch 12, the input voltage of transformator 1 is AC220v, transformator 1 is provided with first input end the 13, second input 14, first outfan 13 is secondary High voltage output, and the second input 14 exports for secondary low pressure. First outfan 13 accesses the first rectifier bridge 3, second input 14 accesses the second rectifier bridge 4, the described high-voltage pulse magnetizing apparatus dropping counter electromotive force of motor k-factor also includes first relay the 15, second relay 16, first relay the 15, second relay 16 controls the charging of the first electric capacity 8 and the electric discharge of the second electric capacity 10 respectively, and the high-voltage pulse magnetizing apparatus dropping counter electromotive force of motor k-factor also includes rheostat 17. IGCT 6 is high-power triode thyristor, and IGCT 6 is used as heavy current electric discharge, and first relay the 15, second relay 16 is solid-state relay. First relay the 15, second relay 16 controls the charging of energy-storage capacitor the first electric capacity 8 respectively and discharges with firing capacitor the second electric capacity 10. The high-voltage pulse magnetizing apparatus dropping counter electromotive force of motor k-factor also includes rheostat 17, and rheostat 17 is used for setting discharge voltage. The output voltage of the first outfan 13 is 250V, and the output voltage of the second input 14 is 5V.
Work process is: the input of transformator 1 connects the power supply of AC220V, second input 14 of transformator 1, second input 14 charges to the second electric capacity 10 after the second rectifier bridge 4 rectification, the charging control circuit of diagram ensures that the first relay 15 turns on, second relay 16 disconnects, and after Guan Bi charge switch 11, the first outfan 13 charges to the first electric capacity 8 after the first rectifier bridge 3 rectification. When capacitance size reaches setting value, the first relay 15 disconnects, and triggering circuit controls the second relay 16 and turns on, and the second electric capacity 10 discharges through the 5th resistance the 18, the 3rd electric capacity 19, triggering and conducting IGCT 6. Now the first electric capacity 8 discharges through IGCT 6. In charge coil 2, produce strong pulsed magnetic field permanent magnetism part is magnetized. Hereafter often press pre exciting switch 12 once namely to repeat above-mentioned charging, stop charging, trigger, magnetize process once, can continuous operation.
Claims (3)
1. the high-voltage pulse magnetizing apparatus of counter electromotive force of motor k-factor drops, including transformator (1), charge coil (2), it is characterized in that, described high-voltage pulse magnetizer also includes the first rectifier bridge (3), second rectifier bridge (4), diode (5), IGCT (6), first resistance (7), first electric capacity (8), second resistance (9), second electric capacity (10), charge switch (11), pre exciting switch (12), the input voltage of described transformator (1) is AC220v, described transformator (1) is provided with first input end (13), second input (14),
Described first outfan (13) accesses described first rectifier bridge (3), described second input (14) accesses described second rectifier bridge (4), the described high-voltage pulse magnetizing apparatus dropping counter electromotive force of motor k-factor also includes the first relay (15), the second relay (16), described first relay (15), the second relay (16) control the electric discharge of the charging of described first electric capacity (8), described second electric capacity (10) respectively, described in drop the high-voltage pulse magnetizing apparatus of counter electromotive force of motor k-factor and also include rheostat (17); Described IGCT (6) is high-power triode thyristor, and described IGCT (6) discharges as heavy current, and described first relay (15), the second relay (16) are solid-state relay.
2. the high-voltage pulse magnetizing apparatus of counter electromotive force of motor k-factor drops according to claim 1, it is characterized in that, the described high-voltage pulse magnetizing apparatus dropping counter electromotive force of motor k-factor also includes rheostat (17), and described rheostat (17) is used for setting discharge voltage.
3. dropping the high-voltage pulse magnetizing apparatus of counter electromotive force of motor k-factor according to claim 1, it is characterised in that the output voltage of described first outfan (13) is 250V, the output voltage of described second input (14) is 5V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610148518.9A CN105656261B (en) | 2016-03-16 | 2016-03-16 | The high-voltage pulse magnetizing apparatus of counter electromotive force of motor k-factor drops |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610148518.9A CN105656261B (en) | 2016-03-16 | 2016-03-16 | The high-voltage pulse magnetizing apparatus of counter electromotive force of motor k-factor drops |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105656261A true CN105656261A (en) | 2016-06-08 |
| CN105656261B CN105656261B (en) | 2018-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610148518.9A Active CN105656261B (en) | 2016-03-16 | 2016-03-16 | The high-voltage pulse magnetizing apparatus of counter electromotive force of motor k-factor drops |
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| CN (1) | CN105656261B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021028041A1 (en) * | 2019-08-14 | 2021-02-18 | Abb Schweiz Ag | Direct current power supply assembly |
Citations (9)
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|---|---|---|---|---|
| US4258405A (en) * | 1979-02-16 | 1981-03-24 | Steingroever Erich A | Electrical impulse generator |
| JPS6149639A (en) * | 1984-08-16 | 1986-03-11 | Toshiba Corp | Magnetizing apparatus for frequency generator |
| CN2130280Y (en) * | 1992-09-02 | 1993-04-21 | 赵宪铭 | Strong-pulse magnetizing instrument |
| CN2221253Y (en) * | 1994-09-06 | 1996-02-28 | 冶金工业部钢铁研究总院 | Half-wave pulse magnetizing device |
| CN2319905Y (en) * | 1997-07-03 | 1999-05-19 | 许永根 | Magnetizing and demagnetizing machine |
| DE10025457A1 (en) * | 2000-05-23 | 2001-12-06 | Vacuumschmelze Gmbh | Permanent magnet magnetization device uses oscillation circuit operated at different resonance frequencies before and after point at which maximum energy is stored in magnetization coil |
| CN2650302Y (en) * | 2003-10-01 | 2004-10-20 | 李剑 | Contactless rectification and magnetizing control circuit |
| CN204087965U (en) * | 2014-09-17 | 2015-01-07 | 黄通领 | A kind of novel integral type magnet charger |
| CN205583949U (en) * | 2016-03-16 | 2016-09-14 | 南通冠优达磁业有限公司 | High -voltage pulse magnetizing apparatus of motor back electromotive force K coefficient falls |
-
2016
- 2016-03-16 CN CN201610148518.9A patent/CN105656261B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4258405A (en) * | 1979-02-16 | 1981-03-24 | Steingroever Erich A | Electrical impulse generator |
| JPS6149639A (en) * | 1984-08-16 | 1986-03-11 | Toshiba Corp | Magnetizing apparatus for frequency generator |
| CN2130280Y (en) * | 1992-09-02 | 1993-04-21 | 赵宪铭 | Strong-pulse magnetizing instrument |
| CN2221253Y (en) * | 1994-09-06 | 1996-02-28 | 冶金工业部钢铁研究总院 | Half-wave pulse magnetizing device |
| CN2319905Y (en) * | 1997-07-03 | 1999-05-19 | 许永根 | Magnetizing and demagnetizing machine |
| DE10025457A1 (en) * | 2000-05-23 | 2001-12-06 | Vacuumschmelze Gmbh | Permanent magnet magnetization device uses oscillation circuit operated at different resonance frequencies before and after point at which maximum energy is stored in magnetization coil |
| CN2650302Y (en) * | 2003-10-01 | 2004-10-20 | 李剑 | Contactless rectification and magnetizing control circuit |
| CN204087965U (en) * | 2014-09-17 | 2015-01-07 | 黄通领 | A kind of novel integral type magnet charger |
| CN205583949U (en) * | 2016-03-16 | 2016-09-14 | 南通冠优达磁业有限公司 | High -voltage pulse magnetizing apparatus of motor back electromotive force K coefficient falls |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021028041A1 (en) * | 2019-08-14 | 2021-02-18 | Abb Schweiz Ag | Direct current power supply assembly |
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| Publication number | Publication date |
|---|---|
| CN105656261B (en) | 2018-01-26 |
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Address after: 226600 No. 29 Tongyang Road, Haian Town, Haian County, Nantong City, Jiangsu Province Patentee after: Nantong guanyouda Magnetic Industry Co.,Ltd. Address before: 226600 No. 29 Tongyang Road, Haian Town, Haian County, Nantong City, Jiangsu Province Patentee before: NANTONG GUANYOUDA MAGNET Co.,Ltd. |