CN219740233U - Multiphase rectification reversible direct current speed regulating mechanism of coaxial motor - Google Patents
Multiphase rectification reversible direct current speed regulating mechanism of coaxial motor Download PDFInfo
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- CN219740233U CN219740233U CN202320371311.3U CN202320371311U CN219740233U CN 219740233 U CN219740233 U CN 219740233U CN 202320371311 U CN202320371311 U CN 202320371311U CN 219740233 U CN219740233 U CN 219740233U
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- speed regulating
- coaxial motor
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- 230000007246 mechanism Effects 0.000 title claims abstract description 33
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 33
- 230000002441 reversible effect Effects 0.000 title claims abstract description 27
- 230000001681 protective effect Effects 0.000 claims description 31
- 238000005096 rolling process Methods 0.000 claims description 7
- 230000005284 excitation Effects 0.000 abstract description 13
- 230000009466 transformation Effects 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 description 8
- 230000006872 improvement Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of automatic control of electric traction and power electronic current transformation, and discloses a multiphase rectification reversible direct current speed regulating mechanism of a coaxial motor. In the utility model, two motor armatures are connected in series through a coaxial motor topological structure, excitation is connected in series, the two motor armatures have consistent current, the excitation current is consistent, the motor rotating speed is from a speed measuring coded disc on a shaft, the two motors are used as a motor to control, the consistency of a system speed ring, a torque ring and a current ring is better, the system can work like a motor, the control is simple, and the motor operation dynamic performance is good.
Description
Technical Field
The utility model relates to the technical field of automatic control of electric dragging and power electronic current transformation, in particular to a multiphase rectification reversible direct current speed regulating mechanism of a coaxial motor.
Background
At present, the direct current motor still has the advantages of good speed regulation characteristic, simple control mode, mature manufacturing process, high cost performance and the like, is still widely applied to the fields of metallurgical industry, mining and the like, and still has vitality. The two or more coaxial motors are used for replacing one large motor, and the motor has the advantages of reduced total rotational inertia, enhanced dynamic performance, easiness in manufacturing, convenience in maintenance, low cost and the like.
However, in the existing coaxial motor, the topological structure and the control mode with the same motor parameters are that two 6-phase rectification systems respectively supply power to two motors, master-slave control is performed on control, so that the two coaxial motors are operated, as the pulsating current generated by large-capacity multiphase rectification is large, the harmonic wave is also large, the service life of the motors is influenced, and a smoothing reactor is required to be added in a direct current loop, so that the electromechanical time constant of the motors is increased, and the dynamic characteristics of the operation of the motors are influenced.
Accordingly, one skilled in the art provides a multiphase commutated reversible dc speed governor for a coaxial motor to solve the above-mentioned problems.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a multiphase rectification reversible direct current speed regulating mechanism of a coaxial motor, which adopts a topological structure of the coaxial motor to connect two motor armatures in series, excitation is connected in series, the two motor armatures have consistent current and consistent excitation current, the motor rotating speed is from a speed measuring code wheel on a shaft, the two motors are controlled as one motor, the consistency of a system speed ring, a torque ring and a current ring is better, the system speed ring, the torque ring and the current ring can work like one motor, the control is simple, and the running dynamic performance of the motor is good.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a reversible direct current speed regulating mechanism of multiphase rectification of coaxial motor, includes main speed regulating mechanism, its characterized in that: the outer wall of main speed regulating mechanism is provided with first protective sleeve, the lower extreme of main speed regulating mechanism is provided with first adapter sleeve, the outer wall of first protective sleeve is provided with the second protective sleeve, the lower extreme of second protective sleeve is provided with the second adapter sleeve, the upper end of second protective sleeve is provided with a plurality of mounting, the upper end of main speed regulating mechanism is provided with the third adapter sleeve, the upper end of third adapter sleeve is provided with the rolling disc, the upper end of rolling disc is provided with the connecting rod, the outer wall of connecting rod upper end is provided with first external screw thread
Through the technical scheme, compared with two sets of master-slave systems with multiphase rectification, the scheme omits two flat wave reactors, one fast switch and one set of excitation system, so that the topology structure is simple, the process requirements can be met, the cost is saved, the benefit is improved, the practical value is high, the armature circuit topology structure adopts parallel connection of power devices to increase the current, and the power devices are connected in series to improve the power supply voltage so as to meet the requirements of high voltage and high current of a high-capacity motor.
Further, a first protective sleeve is sleeved on the outer wall of the main speed regulating mechanism;
through above-mentioned technical scheme, thereby through the cover be equipped with first protective sheath between the improvement.
Further, a second protective sleeve is sleeved on the outer wall of the first protective sleeve;
through above-mentioned technical scheme, thereby through the cover be equipped with the cooperation between the improvement of second protective sheath.
Further, a protection ring is arranged at the upper end of the rotating disc;
through above-mentioned technical scheme, thereby through being provided with the protection ring and improving the cooperation between.
Further, a rotating sleeve is arranged at the upper end of the connecting rod;
through above-mentioned technical scheme, thereby through being provided with the cooperation between the rotation cover improvement.
Further, a first rotating rod is arranged at the upper end of the rotating sleeve;
through above-mentioned technical scheme, thereby through being provided with first dwang between the improvement.
Further, a second rotating rod is arranged at the upper end of the first rotating rod;
through above-mentioned technical scheme, thereby through being provided with the cooperation between the second dwang improvement.
Further, the outer wall of the upper end of the second rotating rod is provided with second external threads;
through above-mentioned technical scheme, thereby through being provided with the cooperation between the second external screw thread improvement.
The utility model has the following beneficial effects:
1. compared with the existing multiphase rectification reversible direct current speed regulating mechanism of the coaxial motor, the multiphase rectification reversible direct current speed regulating mechanism of the coaxial motor provided by the utility model has the advantages that two motor armatures are connected in series through the topological structure of the coaxial motor, excitation is connected in series, the two motor armatures have consistent current, the excitation current is consistent, the motor rotating speed is from a speed measuring code disc on a shaft, the two motors are used as one motor for control, the consistency of a system speed ring, a torque ring and a current ring is better, the system speed ring, the torque ring and the current ring can work like one motor, the control is simple, and the running dynamic performance of the motor is good.
2. Compared with the existing multiphase rectification reversible direct current speed regulating mechanism of the coaxial motor, the multiphase rectification reversible direct current speed regulating mechanism of the coaxial motor provided by the utility model has the advantages that two flat wave reactors, a fast switch and a set of excitation system are omitted by the scheme compared with two sets of multiphase rectification master-slave systems, so that the topological structure is simple, the process requirements can be met, the cost is saved, the benefit is improved, the practical value is high, the parallel connection of power devices is adopted for increasing the current, and the power devices are connected in series for improving the power supply voltage so as to meet the requirements of high voltage and high current of a high-capacity motor.
3. Compared with the existing multiphase rectification reversible direct current speed regulating mechanism of the coaxial motor, the multiphase rectification reversible direct current speed regulating mechanism of the coaxial motor has the advantages of simple structure, simplicity and convenience in use and strong practicability, the system rectifies the power grid multiphase, reduces the pollution of multiple harmonic pollution to the power grid, and the reversible rectifying device outputs the multiphase rectification to the motor, has small direct current pulse wave to the motor, is favorable for the stable and reliable operation of the motor, and effectively protects the motor.
Drawings
FIG. 1 is an exploded view of a coaxial motor multiphase rectifier reversible DC speed regulating mechanism according to the present utility model;
FIG. 2 is a front exploded view of a multiphase commutating reversible DC speed regulating mechanism of a coaxial motor according to the present utility model;
FIG. 3 is a circuit diagram of a multiphase commutating reversible DC speed regulating mechanism of a coaxial motor according to the present utility model;
fig. 4 is a circuit diagram of a reversible rectifying device.
Legend description:
1. a main speed regulating mechanism; 2. a first protective sleeve; 3. a first connection sleeve; 4. a second protective sleeve; 5. a second connecting sleeve; 6. a fixing member; 7. a third connecting sleeve; 8. a rotating disc; 9. a connecting rod; 10. a first external thread; 11. a protective ring; 12. a rotating sleeve; 13. a first rotating lever; 14. a second rotating lever; 15. and a second external thread.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, one embodiment provided by the present utility model is: the utility model provides a reversible direct current speed regulating mechanism of coaxial motor multiphase rectification, including main speed regulating mechanism 1, the outer wall of main speed regulating mechanism 1 is provided with first protective cover 2, the lower extreme of main speed regulating mechanism 1 is provided with first adapter sleeve 3, the outer wall of first protective cover 2 is provided with second protective cover 4, the lower extreme of second protective cover 4 is provided with second adapter sleeve 5, the upper end of second protective cover 4 is provided with a plurality of mounting 6, the upper end of main speed regulating mechanism 1 is provided with third adapter sleeve 7, the upper end of third adapter sleeve 7 is provided with rolling disc 8, the upper end of rolling disc 8 is provided with connecting rod 9, the outer wall of connecting rod 9 upper end is provided with first external screw thread 10;
the two motor armatures are connected in series through the coaxial motor topological structure, excitation is connected in series, the two motor armatures are consistent in current, the excitation current is consistent, the motor rotating speed is from a speed measuring coded disc on a shaft, the two motors are used as a motor for control, the consistency of a system speed ring, a torque ring and a current ring is better, the two motors can work like a motor, the control is simple, and the running dynamic performance of the motor is good.
The outer wall cover of main speed regulating mechanism 1 is equipped with first protective sheath 2, thereby improve the cooperation between through the cover is equipped with first protective sheath 2, the outer wall cover of first protective sheath 2 is equipped with second protective sheath 4, thereby improve the cooperation between through the cover is equipped with second protective sheath 4, the upper end of rolling disc 8 is provided with protection ring 11, thereby improve the cooperation between through being provided with protection ring 11, the upper end of connecting rod 9 is provided with rotating sleeve 12, thereby improve the cooperation between through being provided with rotating sleeve 12, the upper end of rotating sleeve 12 is provided with first dwang 13, thereby improve the cooperation between through being provided with first dwang 13, the upper end of first dwang 13 is provided with second dwang 14, thereby improve the cooperation between through being provided with second dwang 14, the outer wall of second dwang 14 upper end is provided with second external screw thread 15, thereby improve the cooperation between through being provided with second external screw thread 15.
Working principle: when the device is needed to be used, two motor armatures are connected in series through a coaxial motor topological structure, excitation is connected in series, the two motor armatures are consistent in current, excitation current is consistent, the motor rotating speed is from a speed measuring coded disc on a shaft, the two motors are used as a motor to control, the consistency of a system speed ring, a torque ring and a current ring is better, the device can work like a motor, the control is simple, the motor operation dynamic performance is good, compared with a master-slave system of two sets of multiphase rectification, two flat wave reactors, a fast switch and a set of excitation system are omitted, the topological structure is simple, the process requirements can be met, the cost is saved, the benefit is improved, the practical value is high, the armature circuit topological structure adopts parallel connection of a power device to increase current, and the power device is connected in series to improve the power supply voltage and is used for meeting the requirements of high voltage and high current of a large-capacity motor.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (8)
1. The utility model provides a reversible direct current speed regulating mechanism of multiphase rectification of coaxial motor, includes main speed regulating mechanism (1), its characterized in that: the outer wall of main speed regulating mechanism (1) is provided with first protective cover (2), the lower extreme of main speed regulating mechanism (1) is provided with first adapter sleeve (3), the outer wall of first protective cover (2) is provided with second protective sheath (4), the lower extreme of second protective sheath (4) is provided with second adapter sleeve (5), the upper end of second protective sheath (4) is provided with a plurality of mounting (6), the upper end of main speed regulating mechanism (1) is provided with third adapter sleeve (7), the upper end of third adapter sleeve (7) is provided with rolling disc (8), the upper end of rolling disc (8) is provided with connecting rod (9), the outer wall of connecting rod (9) upper end is provided with first external screw thread (10).
2. The multiphase commutated reversible dc speed governor of a coaxial motor of claim 1, wherein: the outer wall of the main speed regulating mechanism (1) is sleeved with a first protective sleeve (2).
3. The multiphase commutated reversible dc speed governor of a coaxial motor of claim 2, wherein: the outer wall of the first protective sleeve (2) is sleeved with a second protective sleeve (4).
4. The multiphase commutated reversible dc speed governor of a coaxial motor of claim 1, wherein: the upper end of the rotating disc (8) is provided with a protection ring (11).
5. The multiphase commutated reversible dc speed governor of a coaxial motor of claim 1, wherein: the upper end of the connecting rod (9) is provided with a rotating sleeve (12).
6. The multiphase commutated reversible dc speed governor of a coaxial motor of claim 5, wherein: the upper end of the rotating sleeve (12) is provided with a first rotating rod (13).
7. The multiphase commutated reversible dc speed governor of a coaxial motor of claim 6, wherein: the upper end of the first rotating rod (13) is provided with a second rotating rod (14).
8. The multiphase commutated reversible dc speed governor of a coaxial motor of claim 7, wherein: the outer wall of the upper end of the second rotating rod (14) is provided with a second external thread (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320371311.3U CN219740233U (en) | 2023-03-03 | 2023-03-03 | Multiphase rectification reversible direct current speed regulating mechanism of coaxial motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320371311.3U CN219740233U (en) | 2023-03-03 | 2023-03-03 | Multiphase rectification reversible direct current speed regulating mechanism of coaxial motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219740233U true CN219740233U (en) | 2023-09-22 |
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ID=88055808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320371311.3U Active CN219740233U (en) | 2023-03-03 | 2023-03-03 | Multiphase rectification reversible direct current speed regulating mechanism of coaxial motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219740233U (en) |
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2023
- 2023-03-03 CN CN202320371311.3U patent/CN219740233U/en active Active
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