CN202285384U - Novel switched reluctance motor controller - Google Patents
Novel switched reluctance motor controller Download PDFInfo
- Publication number
- CN202285384U CN202285384U CN2011204388126U CN201120438812U CN202285384U CN 202285384 U CN202285384 U CN 202285384U CN 2011204388126 U CN2011204388126 U CN 2011204388126U CN 201120438812 U CN201120438812 U CN 201120438812U CN 202285384 U CN202285384 U CN 202285384U
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- Prior art keywords
- integrated circuit
- circuit board
- switched reluctance
- motor
- controller
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Abstract
The utility model discloses a novel switched reluctance motor controller. A motor control integrated circuit (30) on an integrated control board (35) is connected with an operational amplifier (23) by an inner wire through a filter integrated circuit (18), and then is connected with a current sensor (42) through a current sensing signal wire connector (19), so that a current waveform feedback loop is formed; the motor control integrated circuit (30) is connected with an interface integrated circuit (32) through a level conversion integrated circuit (34), connected with a driving circuit board (5) through a circuit board connector (36) and a circuit board connection wire (37), connected with a high-power triode (43) of an inner-layer circuit system through a trigger unit (10), connected with a main wire connection terminal (26) through a motor control signal wire (D) and connected with a switched reluctance motor (1) through a motor input wire (2); and a controller (3) adjusts the rotating speed of the switched reluctance motor (1) according to a current waveform signal fed by the built-in current sensor (42), and a position sensor is not needed. Therefore, the novel switched reluctance motor controller has a low fault rate, a good energy-saving effect, stable performance, high reliability and a wide application range.
Description
Technical field
The utility model relates to switched reluctance machines, relates in particular to the control device of motor.
Background technology
Switched reluctance machines is because of it has that simple in structure, starting torque is big, good speed adjustment features, energy-conservation, characteristics of high efficiency, enlarges day by day in the range of application of industrial circle.Present domestic general switched reluctance machines is installation site transducer on machine shaft all; Be used for the position probing and the tachometric survey of electric current commutation; Be provided with a plurality of LM139 integrated circuits in the simultaneously supporting with it controller, position sensor feedback information is handled, the control rotating speed of motor.In use; Though can reach the purpose of control motor; But also exist weak point, as: in that comparatively occurrence positions sensor failure phenomenon easily under the rugged environment operating mode such as more dust, humidity, greasy dirt is arranged, cause control logic chaotic; Influence the motor operation, make to produce and incur loss; The operation of the effect on service life switched reluctance machines of transducer, the maintenance that stops production causes corresponding economic loss etc. again, and operating cost is higher.These phenomenons have caused the each side attention, become the problem of research tackling key problem.
The utility model content
The purpose of the utility model combines the characteristics of switched reluctance machines exactly, on the existing controller architecture basics, improves; A kind of new controller is provided, and simple and reasonable, manoeuvrable is convenient; Reduce equipment fault, reduce production costs and operating cost, guarantee that control performance is stable; Increase the service life, improve the quality of products and economic benefit.
The task of the utility model is to accomplish like this: design a kind of novel switched reluctance motor controller; Installing internal layer circuit system on the panel of the radiator in the housing; Install drive circuit board, centralized control circuit board on the outer field circuit board supporting plate; Install motor controlling integrated circuit on the backplate of centralized control circuit board; Install communication IC, integrated circuit of clock, level conversion integrated circuit, automatic control for frequency characteristics of filter integrated, interface integrated circuit, operational amplifier, photoelectrical coupler on the front plate; And capacitor, resistance, connector be housed, and the centralized control circuit board connects the current sensor of drive circuit board, internal layer circuit system respectively through lead, and controller is connected with switched reluctance machines through external motor incoming line.Motor controlling integrated circuit on the centralized control circuit board connects respectively through interior lines: level conversion integrated circuit, interface integrated circuit, circuit board connect connector; Automatic control for frequency characteristics of filter integrated, operational amplifier, current sensing signal line connector; Communication IC; Integrated circuit of clock; Capacitor, photoelectrical coupler, push-button switch connector.Controller is connected through the motor incoming line with switched reluctance machines; Connection control route in the enclosure interior of controller is: the motor controlling integrated circuit on the centralized control circuit board by interior lines through automatic control for frequency characteristics of filter integrated concatenation operation amplifier; The current sensor that is connected the internal layer circuit system again through current sensing signal line connector with the current sensing signal line; Form the current waveform feedback loop; Motor controlling integrated circuit is through level conversion integrated circuit connecting interface integrated circuit; Connect connector through circuit board again and be connected drive circuit board with the circuit board connecting line, pass through the large power triode that trigger element connects the internal layer circuit system, connect the main electrical scheme terminal through the motor control signal line again, connect the terminal box of switched reluctance machines by external motor incoming line.Motor controlling integrated circuit in the controller according to the rotating speed of the supporting with it switched reluctance machines of the current waveform signal adjusting of current sensor feedback, is not established position transducer on the switched reluctance machines.Owing to do not establish position transducer in switched reluctance machines inside; Reduced the LM139 integrated circuit in the controller; The concentration degree of centralized control circuit board is high, and volume is little, has saved the connecting line of link position transducer; Through the current waveform variable parameter that the current sensor that is provided with in the controller feeds back, confirm the position of rotor by motor controlling integrated circuit.Because during the rotor-position change; The inductance value meeting respective change of motor stator; The current waveform of influence under given PWM voltage, controller can change the position of confirming rotor, self-regulation motor rotating speed according to current waveform; Make it to meet the tachometer value of setting, guarantee to realize needed function.Reduced simultaneously because of position transducer damages the electrical fault that causes, increased reliability, the mode of connection is more simple, need not carry out the location adjustment of position transducer, has reduced the production maintenance cost.
Implement, test according to technique scheme, prove that the utility model is reasonable in design, compact conformation, debugging is convenient; Dependable performance can effectively reduce electrical fault, reduces production costs and the operating maintenance cost manoeuvrable; The control electric efficiency is high, long service life, and running quality is stable; Have wide range of applications, economic and social benefits are good, reached predetermined purpose preferably.
Description of drawings
Fig. 1 is the connection status sketch map of the utility model and switched reluctance machines 1;
Fig. 2 is that the A of Fig. 1 middle controller 3 is to the K-K cutaway view;
Fig. 3 is that the B of Fig. 2 is to the N-N cutaway view;
Fig. 4 is that the C of Fig. 3 is to the F-F cutaway view;
Fig. 5 is the electrical schematic diagram of the centralized control circuit board 35 of the utility model.
Among the figure, 1-switched reluctance machines, 2-motor incoming line, 3-controller, 4-power line, 5-drive circuit board; 6-circuit board supporting plate, 7-amplifier, 8-inductance, 9-fuse, 10-trigger element, 11-cooling fan electric wire; 12-radiator fan, 13-large power triode control line terminal, 14-discharge resistance, 15-capacitor connects copper bar, 16-capacitor, 17-housing; 18-automatic control for frequency characteristics of filter integrated, 19-current sensing signal line connector, 20-big resistance, 21-connecting line, 22-A.C. contactor; 23-operational amplifier, 24-photoelectrical coupler, 25-push-button switch connector, 26-main electrical scheme terminal, 27-external communication port; 28-communication IC, 29-subsequent use connector, 30-motor controlling integrated circuit, 31-integrated circuit of clock, 32-interface integrated circuit; 33-filter capacitor, 34-level conversion integrated circuit, 35-centralized control circuit board, 36-circuit board connects connector, 37-circuit board connecting line; 38-pressurizer, 39-transformer, 40-rectifier, 41-rectifier connects copper bar, 42-current sensor; 43-large power triode, 44-overvoltage protection electric capacity, 45-connection copper bar, 46-clock crystal oscillator circuit, 47-filter circuit; A-line of vision symbol, B-line of vision symbol, C-line of vision symbol, H-terminal box, S-louvre; K-section symbols, N-section symbols, F-section symbols, W-radiator, R-resistance; J-separation support, D-motor control signal line, L-current sensing signal line, X-interior lines.
Embodiment
Be described further below in conjunction with the practical implementation of accompanying drawing the utility model.
Consult Fig. 1, terminal box H is equipped with at switched reluctance machines 1 top, is connected with controller 3 through motor incoming line 2, and controller 3 connects power supply through power line 4.For the internal structure of display controller 3, the accompanying drawing of back takes down the front cover plate according to the direction of the K-K section of Fig. 1.Position transducer is not established in switched reluctance machines 1 inside.
Consult Fig. 2, Fig. 3, Fig. 4; The drive circuit board 5 and the centralized control circuit board 35 of the housing 17 inner fronts of controller 3 are installed on the circuit board supporting plate 6; The drive circuit board 5 on top connects connector 36 through circuit board and is connected with the centralized control circuit board 35 of bottom with circuit board connecting line 37, and circuit board supporting plate 6 supports are on the separation support J on four angles of radiator W.Two radiator fans 12 are respectively installed in the above and below of radiator W; Four capacitors 16 of radiator W next door installing; The top connects copper bar 15 by capacitor and connects fixing; Connect discharge resistance 14 respectively through lead, capacitor 16 is connected with the A.C. contactor 22 of below through connecting line 21, and big resistance 20 is through the internal layer circuit system of connecting line 21 connecting circuit plate supporting plates 6 back.In the housing 17 of radiator W below main electrical scheme terminal 26 is housed, connecting line 21 ends of each bar circuit are connected on the main electrical scheme terminal 26, can be connected with external circuit.Amplifier 7, inductance 8, fuse 9, trigger element 10, pressurizer 38, transformer 39, resistance R are housed on the panel of drive circuit board 5.Automatic control for frequency characteristics of filter integrated 18, current sensing signal line connector 19, operational amplifier 23, photoelectrical coupler 24, external communication port 27, communication IC 28, integrated circuit of clock 31, interface integrated circuit 32, filter capacitor 33, level conversion integrated circuit 34 are housed on the front panel of centralized control circuit board 35; Installing motor controlling integrated circuit 30 is selected AM60 type processing unit (CPU) for use on the backplate middle position.
Installing internal layer circuit system comprises rectifier 40, current sensor 42, large power triode 43, overvoltage protection electric capacity 44 on circuit board supporting plate 6 radiator W panel behind, connects through connecting line 21, and the terminal is connected on the main electrical scheme terminal 26.Current sensor 42 connects current sensing signal line L; Operational amplifier 23, automatic control for frequency characteristics of filter integrated 18 through installing on current sensing signal line connector 19 and the centralized control circuit board 35 are connected; Be connected with the motor controlling integrated circuit 30 at centralized control circuit board 35 back sides through interior lines X again, form the current signal feedback loop.Motor controlling integrated circuit 30 is according to the current waveform of current sensor 42 feedbacks, and the rotating speed of by-pass cock reluctance motor 1 makes it to meet predefined motor speed numerical value automatically.
Consult Fig. 5; The current sensor 42 of internal layer circuit system is installed on the controller 3 inner radiator W panels, connects the current sensing signal line connector 19 on the centralized control circuit board 35 through current sensing signal line L, through interior lines X concatenation operation amplifier 23, the automatic control for frequency characteristics of filter integrated 18 of centralized control circuit board 35; Motor controlling integrated circuit 30 with centralized control circuit board 35 back sides is connected again; The top of motor controlling integrated circuit 30 connects level conversion integrated circuit 34, interface integrated circuit 32 by interior lines X, is connected connector 36 with circuit board and connects, and connects drive circuit board 5 by circuit board connecting line 37 again; Connect filter capacitor 33 through interior lines X below; Be communicated with photoelectrical coupler 24, connect push-button switch connector 25 again, can be connected with the circuit of external circuits control board.The other direction of motor controlling integrated circuit 30 connects clock crystal oscillator circuit 46, integrated circuit of clock 31, communication IC 28, filter circuit 47 respectively.During real work; When the change of the motor rotor position of supporting switched reluctance machines 1, during tachometer value that offspeed sets, the inductance value of motor stator is corresponding to change; Current waveform under the given PWM voltage is impacted; Current sensor 42 feeds back to motor controlling integrated circuit 30 through aforementioned loop with current waveform signal, and motor controlling integrated circuit 30 changes the position of confirming rotor according to current waveform, sends instruction through level conversion integrated circuit 34 and interface integrated circuit 32 to drive circuit board 5; The self-regulation motor rotating speed makes it to reach the tachometer value of setting.
The utility model controller 3 adopts motor controlling integrated circuit 30 system and devices; Removed original a plurality of LM139 IC system; Do not establish position transducer in the switched reluctance machines 1; Through the current waveform variable parameter of 42 feedbacks of the current sensor in the controller 3, confirm the position of switched reluctance machines 1 rotor.According to the position of rotor, the rotating speed of controller 3 automatic by-pass cock reluctance motors 1 is realized predefined tachometer value.The utility model is supporting with the switched reluctance machines 1 of not establishing position transducer; Have that failure rate is low, starting torque is big, starting current is little, efficient is high, good energy-conserving effect, overload capacity are strong, speed-regulating range width, high reliability features, be suitable for multiple machinery such as plastics machinery, mining machinery, oil drilling machinery, lathe, metal forming machinery, air compressor machine, blower fan, electric motor car, papermaking equipment, water pump and make to mate power.The utility model is through improving the control circuit configuration, cost-saved 200 yuan of every controller, and economic benefit and social benefit are good, have the popularizing application prospect of light.
Claims (4)
1. novel switched reluctance motor controller; Installing internal layer circuit system on the panel of the radiator (W) in the housing (17); Outer field circuit board supporting plate (6) is gone up installing drive circuit board (5), centralized control circuit board (35); It is characterized in that installing motor controlling integrated circuit (30) on the backplate of centralized control circuit board (35); Install communication IC (28), integrated circuit of clock (31), level conversion integrated circuit (34), automatic control for frequency characteristics of filter integrated (18), interface integrated circuit (32), operational amplifier (23), photoelectrical coupler (24) on the front plate; And capacitor (16), resistance (R), connector be housed; Centralized control circuit board (35) connects the current sensor (42) of drive circuit board (5), internal layer circuit system respectively through lead, and controller is connected with switched reluctance machines (1) through external motor incoming line (2).
2. according to the described novel switched reluctance motor controller of claim 1, it is characterized in that the motor controlling integrated circuit (30) on the described centralized control circuit board (35) connects respectively through interior lines (X): level conversion integrated circuit (34), interface integrated circuit (32), circuit board connect connector (36); Automatic control for frequency characteristics of filter integrated (18), operational amplifier (23), current sensing signal line connector (19); Communication IC (28); Integrated circuit of clock (31); Capacitor (16), photoelectrical coupler (24), push-button switch connector (25).
3. according to the described novel switched reluctance motor controller of claim 1; It is characterized in that described controller (3) is connected through motor incoming line (2) with switched reluctance machines (1); The connection control route inner at the housing (17) of controller (3) is: the motor controlling integrated circuit (30) on the centralized control circuit board (35) passes through automatic control for frequency characteristics of filter integrated (18) concatenation operation amplifier (23) by interior lines (X); The current sensor (42) that is connected the internal layer circuit system again through current sensing signal line connector (19) with current sensing signal line (L); Form the current waveform feedback loop; Motor controlling integrated circuit (30) is through level conversion integrated circuit (34) connecting interface integrated circuit (32); Connect connector (36) is connected drive circuit board (5), connects the internal layer circuit system through trigger element (10) with circuit board connecting line (37) large power triode (43) through circuit board again; Connect main electrical scheme terminal (26) through motor control signal line (D) again, connect the terminal box (H) of switched reluctance machines (1) by external motor incoming line (2).
4. according to the described novel switched reluctance motor controller of claim 1; It is characterized in that the motor controlling integrated circuit (30) in the described controller (3); According to the rotating speed of the supporting with it switched reluctance machines (1) of the current waveform signal adjusting of current sensor (42) feedback, switched reluctance machines is not established position transducer on (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204388126U CN202285384U (en) | 2011-11-08 | 2011-11-08 | Novel switched reluctance motor controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204388126U CN202285384U (en) | 2011-11-08 | 2011-11-08 | Novel switched reluctance motor controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202285384U true CN202285384U (en) | 2012-06-27 |
Family
ID=46296894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204388126U Expired - Fee Related CN202285384U (en) | 2011-11-08 | 2011-11-08 | Novel switched reluctance motor controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202285384U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979748A (en) * | 2012-11-30 | 2013-03-20 | 杭州顿力电器有限公司 | Outer rotor electronic control fan and speed regulating method |
| CN105024593A (en) * | 2014-04-30 | 2015-11-04 | 中山大洋电机股份有限公司 | HAVC system and applied intermediate connecting device |
| CN105207540A (en) * | 2015-09-29 | 2015-12-30 | 东风商用车有限公司 | Internal layout structure of switched reluctance machine controller of electric vehicle |
-
2011
- 2011-11-08 CN CN2011204388126U patent/CN202285384U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979748A (en) * | 2012-11-30 | 2013-03-20 | 杭州顿力电器有限公司 | Outer rotor electronic control fan and speed regulating method |
| CN105024593A (en) * | 2014-04-30 | 2015-11-04 | 中山大洋电机股份有限公司 | HAVC system and applied intermediate connecting device |
| CN105024593B (en) * | 2014-04-30 | 2018-04-06 | 中山大洋电机股份有限公司 | A kind of HVAC system |
| CN105207540A (en) * | 2015-09-29 | 2015-12-30 | 东风商用车有限公司 | Internal layout structure of switched reluctance machine controller of electric vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120627 Termination date: 20131108 |