CN204481722U - A kind of switched reluctance machines speed-regulating control device - Google Patents
A kind of switched reluctance machines speed-regulating control device Download PDFInfo
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- CN204481722U CN204481722U CN201520173841.2U CN201520173841U CN204481722U CN 204481722 U CN204481722 U CN 204481722U CN 201520173841 U CN201520173841 U CN 201520173841U CN 204481722 U CN204481722 U CN 204481722U
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 26
- 238000001514 detection method Methods 0.000 claims abstract description 16
- 230000005355 Hall effect Effects 0.000 claims description 11
- 230000002459 sustained effect Effects 0.000 claims description 8
- 238000011084 recovery Methods 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
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Abstract
本实用新型涉及电机驱动技术领域，特别涉及一种开关磁阻电机调速控制装置。该开关磁阻电机调速控制装置，所述装置包括电源模块，主开关驱动模块，功率变换模块，位置信号模块，电流检测模块，信号转换模块，控制模块和显示模块；所述控制模块、主开关驱动模块和功率变换模块串联；所述功率变换模块分别连接有开关磁阻电机和电流检测模块；所述开关磁阻电机与位置信号模块串联；所述位置信号模块和电流检测模块通过信号转换模块与控制模块相连；所述控制模块与显示模块相连。本实用新型提高了开关磁阻电机硬件的可靠性、结构的坚固性和工作稳定性，保证了系统的稳定正常运行，提高了工作效率。
The utility model relates to the technical field of motor drive, in particular to a speed regulation control device for a switched reluctance motor. The switched reluctance motor speed control device, the device includes a power module, a main switch drive module, a power conversion module, a position signal module, a current detection module, a signal conversion module, a control module and a display module; the control module, the main module The switch driving module and the power conversion module are connected in series; the power conversion module is respectively connected with a switched reluctance motor and a current detection module; the switched reluctance motor is connected in series with a position signal module; The module is connected with the control module; the control module is connected with the display module. The utility model improves the reliability of the hardware of the switched reluctance motor, the firmness of the structure and the working stability, ensures the stable and normal operation of the system, and improves the working efficiency.
Description
Technical field
The utility model relates to motor-drive technique field, particularly a kind of switched reluctance machines speed-regulating control device.
Background technology
Switched reluctance machines (Switched Reluctance Motor, SRM) be a kind of novel electromechanical integration buncher, it not only maintains all advantages of asynchronous motor, and there is the advantages such as structure is simple, cost is low, starting performance is good, speed-regulating range width, so be widely used in various Engineering Control field.
In modern governing system, switched reluctance machines speed governing (Switched Reluctance Drive, SRD) system has that structure is simple, cost is low, loss is little, controllable parameter is many, control is flexible, starting current is little, starting torque is large, sturdy and durable, be applicable to the advantages such as adverse circumstances, be therefore widely applied in fields such as traction transport, universal industrial, household electrical appliance in recent years.But the stable operation of Switched Reluctance Motor, need corresponding hardware device and support, but current hardware device also has the place of many deficiencies in the robustness and job stability of reliability, structure.
Utility model content
The utility model, in order to make up the deficiencies in the prior art, provides a kind of switched reluctance machines speed-regulating control device simple to operate, safe and reliable, with low cost.
The utility model is achieved by the following technical solution:
A kind of switched reluctance machines speed-regulating control device, is characterized in that: described device comprises power module, main switch driver module, power conversion modules, position signal module, current detection module, signal conversion module, control module and display module; Described control module, main switch driver module and power conversion modules are connected; Described power conversion modules is connected to switched reluctance machines and current detection module; Described switched reluctance machines is connected with position signal module; Described position signal module is connected with control module by signal conversion module with current detection module; Described control module is connected with display module.
Described control module is Atmega16 single-chip microcomputer.
Described main switch driver module is integrated drive chips TLP250; Be 11 Europe in the gate series resistance R2 of IGBT, resistance R2 resistance in described main switch driver module, be parallel with between the grid and emitter of IGBT and met resistance R3, resistance R3 resistance is 20 kilo-ohms.
That the main switching device V1 to main switching device V6 of described power conversion modules selects is IGBT; Each phase sustained diode 1 all adopts fast recovery diode to sustained diode 6.
Described position signal module comprises hall effect sensor and surveys and optical disc.
Described current detection module comprises hall effect current sensor.
In the utility model, power module changes the alternating current of 220V into three kinds of direct voltages 5V, 15V, 48V.5V voltage is mainly powered for Atmega16 single-chip microcomputer, hall effect sensor and hall effect current sensor, and 15V voltage is mainly powered for the driving of IGBT, and the power supply of 48V is mainly for IGBT main circuit is powered.
The utility model adopts integrated drive chips TLP250 to drive IGBT.TLP250 is the inner integrated drive chips with light-coupled isolation, and insulation voltage, up to 2500V, has High-current output and can drive powerful IGBT.The input impedance that IGBT drives is very high, and in capacitive, direct current is not needed time static, the dynamic current of fully electricity only need be carried out to input capacitance, consumed power hardly, in order to improve the front and back of driving pulse along steepness and placement vibration, need at gate series resistance R2, due to IGBT to open and disconnect be to be realized by the discharge and recharge of grid circuit, therefore resistance will produce impact greatly to the dynamic characteristic of IGBT, in the design as calculated and experiment, the resistance R2 finally choosing grid is 11 Europe; V is voltage stabilizing didoe, for the amplitude of restricted T LP250 outputting drive voltage, prevents the too high photograph of driving voltage from becoming the damage of IGBT, adopts the voltage stabilizing didoe of 16V to be attempted by between the grid of IGBT and emitter in system; In order to prevent the work of IGBT open-grid, or because drive the bad device failure caused, between the grid and emitter of IGBT, connect the resistance of 20 kilo-ohms, i.e. resistance R3.
In the utility model, power conversion modules circuit adopts asymmetry half-bridge circuit; This circuit embodies typical switched reluctance machines operation and control characteristic, and phase control independence.This circuit be the DC power supply being obtained 48V by Switching Power Supply rectification.Power to each phase winding of switched reluctance machines through large filtering capacitance of voltage regulation in parallel again.That the main switching device V1 to main switching device V6 of power inverter selects is IGBT; Each phase sustained diode 1 all adopts fast recovery diode to sustained diode 6.The parameter of diode is 1200V, 30A.
In the utility model, position signal module is critical component and the feature of switched reluctance machines; The rotor-position signal of switched reluctance machines is the important evidence that each phase main switching device correctly carries out logic switch, the object of position probing measures rotor relative position with position transducer, to feed back to logic control circuit, determine opening or turning off phase winding.The information that simultaneously can also feed back according to position detector carries out speed calculating, realizes speeds control and motor speed information displaying.Each phase of switched reluctance machines respectively uses a hall effect sensor, and hall effect sensor is formed primarily of an infrared-emitting diode and infrared electro triode.A groove is had between light-emitting diode and phototriode, when in groove during have no occluder, phototriode saturation conduction; When light is blocked, phototriode ends.
In the utility model, hall effect current sensor detects the size of electric current, thus the speed governing realized switched reluctance machines and overcurrent protection.Current detection circuit is responsible for detecting phase current, as the feedback signal of control system.
The beneficial effects of the utility model are: the utility model is according to the structure and working principle of switched reluctance machines, improve the reliability of switched reluctance machines hardware, the robustness of structure and job stability, ensure that the stable normal of system runs, improve operating efficiency.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described.
Fig. 1 is the control flow chart of switched reluctance machines of the present utility model.
Fig. 2 is power module circuitry figure of the present utility model.
Fig. 3 is main switch driver module circuit diagram of the present utility model.
Fig. 4 is power conversion modules circuit diagram of the present utility model.
In figure, 1 power module, 2 main switch driver modules, 3 power conversion modules, 4 position signal module, 5 current detection modules, 6 signal conversion module, 7 control modules, 8 display modules, 9 switched reluctance machines.
Embodiment
Accompanying drawing is a kind of specific embodiment of the present utility model.This embodiment comprises power module 1, main switch driver module 2, power conversion modules 3, position signal module 4, current detection module 5, signal conversion module 6, control module 7 and display module 8; Described control mould, 7, main switch driver module 2 and power conversion modules 3 connect; Described power conversion modules 3 is connected to switched reluctance machines 9 and current detection module 5; Described switched reluctance machines 9 is connected with position signal module 4; Described position signal module 4 is connected with control module 7 by signal conversion module 6 with current detection module 5; Described control module 7 is connected with display module 8.Described power module 1 changes the alternating current of 220V into three kinds of direct voltages 5V, 15V, 48V.Described control module 7 is Atmega16 single-chip microcomputer.Described main switch driver module 2 is integrated drive chips TLP250; Be 11 Europe in the gate series resistance R2 of IGBT, resistance R2 resistance in described main switch driver module 2, be parallel with between the grid and emitter of IGBT and met resistance R3, resistance R3 resistance is 20 kilo-ohms.That the main switching device V1 to main switching device V6 of described power conversion modules 3 selects is IGBT; Each phase sustained diode 1 all adopts fast recovery diode to sustained diode 6.Described position signal module 4 comprises hall effect sensor and surveys and optical disc.Described current detection module 5 comprises hall effect current sensor.
Be illustrated the utility model by way of example above, but the utility model is not limited to above-mentioned specific embodiment, all any changes of doing based on the utility model or modification all belong to the claimed scope of the utility model.
Claims (6)
1. a switched reluctance machines speed-regulating control device, is characterized in that: described device comprises power module, main switch driver module, power conversion modules, position signal module, current detection module, signal conversion module, control module and display module; Described control module, main switch driver module and power conversion modules are connected; Described power conversion modules is connected to switched reluctance machines and current detection module; Described switched reluctance machines is connected with position signal module; Described position signal module is connected with control module by signal conversion module with current detection module; Described control module is connected with display module.
2. switched reluctance machines speed-regulating control device according to claim 1, is characterized in that: described control module is Atmega16 single-chip microcomputer.
3. switched reluctance machines speed-regulating control device according to claim 1, is characterized in that: described main switch driver module is integrated drive chips TLP250; Be 11 Europe in the gate series resistance R2 of IGBT, resistance R2 resistance in described main switch driver module, be parallel with between the grid and emitter of IGBT and met resistance R3, resistance R3 resistance is 20 kilo-ohms.
4. switched reluctance machines speed-regulating control device according to claim 1, is characterized in that: that the main switching device V1 to main switching device V6 of described power conversion modules selects is IGBT; Each phase sustained diode 1 all adopts fast recovery diode to sustained diode 6.
5. switched reluctance machines speed-regulating control device according to claim 1, is characterized in that: described position signal module comprises hall effect sensor and surveys and optical disc.
6. switched reluctance machines speed-regulating control device according to claim 1, is characterized in that: described current detection module comprises hall effect current sensor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520173841.2U CN204481722U (en) | 2015-03-26 | 2015-03-26 | A kind of switched reluctance machines speed-regulating control device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520173841.2U CN204481722U (en) | 2015-03-26 | 2015-03-26 | A kind of switched reluctance machines speed-regulating control device |
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| CN204481722U true CN204481722U (en) | 2015-07-15 |
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| CN201520173841.2U Expired - Fee Related CN204481722U (en) | 2015-03-26 | 2015-03-26 | A kind of switched reluctance machines speed-regulating control device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106374809A (en) * | 2016-11-04 | 2017-02-01 | 南京怡咖电气科技有限公司 | Power device parallel current sharing device of power converter of switched reluctance motor |
| CN106655964A (en) * | 2016-09-12 | 2017-05-10 | 滨州学院 | Smooth switching and speed regulation method of switched reluctance motor in full-speed-range control mode |
-
2015
- 2015-03-26 CN CN201520173841.2U patent/CN204481722U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655964A (en) * | 2016-09-12 | 2017-05-10 | 滨州学院 | Smooth switching and speed regulation method of switched reluctance motor in full-speed-range control mode |
| CN106655964B (en) * | 2016-09-12 | 2018-12-28 | 滨州学院 | The full velocity shooting control mode of switched reluctance machines smoothly switches speed regulating method |
| CN106374809A (en) * | 2016-11-04 | 2017-02-01 | 南京怡咖电气科技有限公司 | Power device parallel current sharing device of power converter of switched reluctance motor |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150715 Termination date: 20160326 |