CN204886620U - Double-excitation winding energy-saving direct current motor - Google Patents
Double-excitation winding energy-saving direct current motor Download PDFInfo
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- CN204886620U CN204886620U CN201520583084.6U CN201520583084U CN204886620U CN 204886620 U CN204886620 U CN 204886620U CN 201520583084 U CN201520583084 U CN 201520583084U CN 204886620 U CN204886620 U CN 204886620U
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- 238000004804 winding Methods 0.000 title claims abstract description 88
- 230000005284 excitation Effects 0.000 claims abstract description 104
- 238000006243 chemical reaction Methods 0.000 claims abstract description 10
- 238000004146 energy storage Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 3
- 238000005381 potential energy Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses an energy-saving direct current motor of two excitation windings, including motor casing, motor casing is last to be equipped with pivot and brush device, be equipped with electric motor rotor in the pivot, motor casing is last to be located electric motor rotor's the outside is equipped with motor stator, and its technical scheme's main points are: the motor comprises a motor shell, a rotating shaft, a motor stator and a motor rotor, wherein the motor stator is provided with a first excitation winding and a second excitation winding in parallel with the rotating shaft respectively, the motor shell is also provided with a commutator for controlling the electric energy conversion output of the first excitation winding and the second excitation winding, and the motor rotor is also provided with a single armature winding. The utility model provides an energy-saving direct current motor of two excitation windings utilizes the commutator to control first excitation winding and second excitation winding respectively, and when the motor load changed, cooperation energy memory constitutes separately excited direct current generator and series excitation direct current motor respectively, turns into the electric energy that can effectively utilize with the unnecessary energy in the system.
Description
[technical field]
The utility model relates to a kind of two excitation winding energy-saving direct current motor.
[background technology]
Usual motor is when load running, power supply is provided by external electrical network, and when load declines, potential energy is counter drags motor rotation, the energy is caused to be consumed by resistance heating, cause energy waste, the energy regenerating of current crane load potential energy, have and adopt super capacitor module as the power-saving technology based on DC bus of energy storage device and Related product, also have and adopt super capacitor module as the power-saving technology driven based on a kind of coaxial dual-mold bending moment compound machine of energy storage device and Related product, when adopting DC bus technology, no matter be AC system or direct current system, the conversion of potential energy energy completes by single motor with recycling, therefore, the recovery of its potential energy energy, storing with utilizing is all first merge with the form of electric energy, owing to there is voltage, electric current, frequency, the impact of all multi-parameters such as phase place, control system is very complicated, reliability and cost performance are not good, in addition because super capacitor can only store direct current energy, therefore need to adopt direct current transformation technology---DC chopped-wave or section wave circuit, i.e. so-called two-way DC/DC converter, powerful DC/DC transformer configuration is complicated, its reliability is all lower with the conversion efficiency of energy.
[summary of the invention]
The utility model object overcomes deficiency of the prior art, a kind of two excitation winding energy-saving direct current motor is provided, utilization utilizes commutator to control the first excitation winding and the second excitation winding respectively, when motor load changes, coordinate energy storage device, form separate excitation DC generator and series DC machine respectively, the excess energy in system is converted into the electric energy that can effectively utilize.
The utility model is achieved through the following technical solutions:
A kind of two excitation winding energy-saving direct current motor, comprise electric machine casing, described electric machine casing is provided with rotating shaft and brushgear, described rotating shaft is provided with rotor, the outside described electric machine casing being positioned at described rotor is provided with motor stator, it is characterized in that: described motor stator is respectively equipped with the first excitation winding and the second excitation winding with described shaft parallel position, described electric machine casing is also provided with the commutator for controlling described first excitation winding and the second excitation winding electric energy conversion output, described rotor is also provided with single armature winding.
The two excitation winding energy-saving direct current motor of one as above, it is characterized in that described first excitation winding is communicated with into motor circuit respectively with the second excitation winding, and carrying out switching controls by described commutator switch amount, described commutator is that two-way DC/DC controls.
The two excitation winding energy-saving direct current motor of one as above, it is characterized in that described first excitation winding forms series excitation DC motor as during series excitation winding place in circuit, described second excitation winding is off state.
The two excitation winding energy-saving direct current motor of one as above, it is characterized in that described second excitation winding forms separate excitation DC generator as during separate excitation winding place in circuit, described first excitation winding is off state.
The two excitation winding energy-saving direct current motor of one as above, when forming series excitation DC motor after it is characterized in that described first excitation winding of access, is converted to the load of mechanical energy process auxiliary drive by the electric energy be stored in energy storage device.
Load machinery power conversion, when forming separate excitation DC generator after it is characterized in that described second excitation winding of access, is that power storage is in energy storage device by the two excitation winding energy-saving direct current motor of one as above.
Compared with prior art, the utility model has the following advantages:
The two excitation winding energy-saving direct current motor of one of the present utility model, commutator is utilized to control the first excitation winding and the second excitation winding place in circuit respectively, when motor load increases, first excitation winding place in circuit, form series excitation DC motor, external electrical network and energy storage device transmission of electricity is coordinated to be with dynamic load, when motor load reduces, second excitation winding place in circuit, composition separate excitation DC generator, now motor and external electrical network disconnect, using direct current machine as generator, be that electrical power storage is in energy storage device by load potential energy potential energy, first excitation winding is communicated with the second excitation winding quick automatic switching, control system is simple, reliability is high, long service life, series machine and separately excited machine synchronism good, energy-saving efficiency is high.
First excitation winding and the second excitation winding are installed in the main pole of motor stator respectively, utilize commutator switch amount to carry out switching controls, simplify control system, improve reliability and the useful life of control system.
High-revolving external characteristic when slow-speed of revolution when giving full play to series-wound motor high pulling torque, little moment of torsion, is conducive to the signal feedback of supplementary controlled system, realizes the synchronous of series machine and separately excited machine, and the electric energy be stored in energy storage device is carried out efficient conversion.
The external characteristic that separate excitation DC generator constant voltage exports can be given full play to, load potential energy energy efficient is converted to electric energy and is stored in energy storage device.
[accompanying drawing explanation]
Fig. 1 is the utility model generalized section;
Fig. 2 is the utility model circuit diagram.
[embodiment]
A kind of two excitation winding energy-saving direct current motor, comprise electric machine casing 1, described electric machine casing 1 is provided with rotating shaft 11 and brushgear 12, described rotating shaft 11 is provided with rotor 13, the outside described electric machine casing 1 being positioned at described rotor 13 is provided with motor stator 14, described motor stator 14 is respectively equipped with the first excitation winding 15 and the second excitation winding 16 with described rotating shaft 11 parallel position, described electric machine casing 1 is also provided with the commutator 17 for controlling described first excitation winding 15 and the second excitation winding 16 electric energy conversion output, described rotor 13 is also provided with single armature winding 18.First excitation winding and the second excitation winding are controlled by commutator, can distinguish place in circuit.
Described first excitation winding 15 is communicated with into motor circuit respectively with the second excitation winding 16, and carries out switching controls by described commutator 17 switching value, and described commutator 17 is that two-way DC/DC controls.Commutator switching value switches, and controls the first excitation winding and the second excitation winding place in circuit respectively, and commutator is that two-way DC/DC controls.
Described first excitation winding 15 forms series excitation DC motor as during series excitation winding place in circuit, and described second excitation winding 16 is off state.The independent place in circuit of first excitation winding forms series excitation DC motor.
Described second excitation winding 16 forms separate excitation DC generator as during separate excitation winding place in circuit, and described first excitation winding 15 is off state.Second excitation winding place in circuit forms separate excitation DC generator, and now circuit and external electrical network disconnect.
When forming series excitation DC motor after accessing described first excitation winding 15, the electric energy be stored in energy storage device is converted to the load of mechanical energy process auxiliary drive.Series excitation DC motor coordinates energy storage device, is all motor and provides electric energy, meet load operation with external electrical network one.
When forming separate excitation DC generator after accessing described second excitation winding 16, be that power storage is in energy storage device by load machinery power conversion.Load potential energy potential energy is that electrical power storage is in energy storage device by separate excitation DC generator.
Claims (6)
1. a two excitation winding energy-saving direct current motor, comprise electric machine casing (1), described electric machine casing (1) is provided with rotating shaft (11) and brushgear (12), described rotating shaft (11) is provided with rotor (13), the outside described electric machine casing (1) being positioned at described rotor (13) is provided with motor stator (14), it is characterized in that: described motor stator (14) is upper is respectively equipped with the first excitation winding (15) and the second excitation winding (16) with described rotating shaft (11) parallel position, described electric machine casing (1) is also provided with the commutator (17) for controlling described first excitation winding (15) and the second excitation winding (16) electric energy conversion output, described rotor (13) is also provided with single armature winding (18).
2. the two excitation winding energy-saving direct current motor of one according to claim 1, it is characterized in that described first excitation winding (15) is communicated with into motor circuit respectively with the second excitation winding (16), and carrying out switching controls by described commutator (17) switching value, described commutator (17) controls for two-way DC/DC.
3. the two excitation winding energy-saving direct current motor of one according to claim 1, it is characterized in that described first excitation winding (15) forms series excitation DC motor as during series excitation winding place in circuit, described second excitation winding (16) is off state.
4. the two excitation winding energy-saving direct current motor of one according to claim 1, it is characterized in that described second excitation winding (16) forms separate excitation DC generator as during separate excitation winding place in circuit, described first excitation winding (15) is off state.
5. the two excitation winding energy-saving direct current motor of one according to claim 3, when it is characterized in that described first excitation winding (15) of access forms series excitation DC motor afterwards, the electric energy be stored in energy storage device is converted to the load of mechanical energy process auxiliary drive.
6. the two excitation winding energy-saving direct current motor of one according to claim 4, when it is characterized in that described second excitation winding (16) of access forms separate excitation DC generator afterwards, is that power storage is in energy storage device by load machinery power conversion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520583084.6U CN204886620U (en) | 2015-08-05 | 2015-08-05 | Double-excitation winding energy-saving direct current motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520583084.6U CN204886620U (en) | 2015-08-05 | 2015-08-05 | Double-excitation winding energy-saving direct current motor |
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| Publication Number | Publication Date |
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| CN204886620U true CN204886620U (en) | 2015-12-16 |
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| CN201520583084.6U Active CN204886620U (en) | 2015-08-05 | 2015-08-05 | Double-excitation winding energy-saving direct current motor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107605696A (en) * | 2017-10-16 | 2018-01-19 | 青岛大学 | A kind of DC Variable stator permanent-magnet integrated power device |
| CN107620686A (en) * | 2017-10-16 | 2018-01-23 | 青岛大学 | A kind of swash plate variable displacement mechanical electronic hydraulic coupler of DC stator excitation |
| CN107620690A (en) * | 2017-10-16 | 2018-01-23 | 青岛大学 | A kind of quantitative stator permanent-magnet integrated power device of direct current |
| WO2020135676A1 (en) * | 2018-12-29 | 2020-07-02 | 上海理工大学 | Serial-parallel excitation dc motor driving device and apparatus |
-
2015
- 2015-08-05 CN CN201520583084.6U patent/CN204886620U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107605696A (en) * | 2017-10-16 | 2018-01-19 | 青岛大学 | A kind of DC Variable stator permanent-magnet integrated power device |
| CN107620686A (en) * | 2017-10-16 | 2018-01-23 | 青岛大学 | A kind of swash plate variable displacement mechanical electronic hydraulic coupler of DC stator excitation |
| CN107620690A (en) * | 2017-10-16 | 2018-01-23 | 青岛大学 | A kind of quantitative stator permanent-magnet integrated power device of direct current |
| CN107620690B (en) * | 2017-10-16 | 2023-09-01 | 青岛大学 | A DC Quantitative Stator Permanent Magnet Integrated Power Device |
| WO2020135676A1 (en) * | 2018-12-29 | 2020-07-02 | 上海理工大学 | Serial-parallel excitation dc motor driving device and apparatus |
| US11329582B2 (en) | 2018-12-29 | 2022-05-10 | University Of Shanghai For Science And Technology | Series shunt wound DC motor driving device and equipment |
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