CN2586294Y - D.C dynamo controller - Google Patents
D.C dynamo controller Download PDFInfo
- Publication number
- CN2586294Y CN2586294Y CN02258920U CN02258920U CN2586294Y CN 2586294 Y CN2586294 Y CN 2586294Y CN 02258920 U CN02258920 U CN 02258920U CN 02258920 U CN02258920 U CN 02258920U CN 2586294 Y CN2586294 Y CN 2586294Y
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- Prior art keywords
- circuit
- resistance
- comparator
- electrically connected
- accelerator
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- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model relates to a DC motor controller, which is composed of an accumulator, a drive circuit, a motor, a control circuit, a reversing switch and an accelerator. The utility model is characterized in that the accelerator electrically connected with the control circuit is composed of a full bridge rectification circuit, a filter circuit, an oscillation circuit, a drive circuit, an annular induction coil and a composite body. The two input terminal of the control circuit are electrically connected with the input terminal of the full bridge rectification circuit, and the output terminal of the full bridge rectification circuit is electrically connected with the power supply terminals of the oscillation circuit and the drive circuit and is used as a power supply after the output of the full bridge rectification circuit passes through the filter circuit. The drive circuit is electrically connected with the annular induction coil, and the composite body and the annular induction coil are in electric induction connection.
Description
Technical field: the utility model relates to a kind of DC motor controller of motor vehicle.
Technical background: the safety of the DC motor controller of motor vehicle is directly connected to the use of motor vehicle, and the accelerator in the DC motor controller then is the critical component of control motor vehicle speed, and motor vehicle adopts potentiometer formula and Hall element formula more.Potentiometer formula accelerator is the mechanical slidable adjustment level by potentiometer, and then the control controller carries out the speed regulation of motor.Adopt the potentiometer formula to carry out the defective that there is mechanical wear in speed regulation, very easily damage.The Hall element accelerator is to carry out the adjusting of level by the magnetic induction characteristic of Hall element, and then controls controller motor is carried out speed control, and is complicated on its structure, is subject to the influence of environmental factor (as temperature), and also need and permanent magnet are used.
Summary of the invention: the purpose of this utility model is a kind of mechanical wear that do not exist of design, reliability height, not fragile, simple in structure, the DC motor controller that is not subjected to such environmental effects.
The purpose of this utility model is to realize like this, DC motor controller, it is by storage battery, drive circuit, motor, control circuit, reversing switch, accelerator is formed, it is characterized in that: the accelerator that is electrically connected with control circuit is by full bridge rectifier, filter circuit, oscillating circuit, drive circuit, toroidal inductor, complex is formed, two inputs of control circuit are electrically connected to the input of full bridge rectifier, the output of the whole circuit of full-bridge is behind filter circuit, its output is electrically connected to the power supply terminal of oscillating circuit and drive circuit as its power supply, be electrically connected with toroidal inductor on drive circuit, complex is connected with toroidal inductor electric induction.
Described control circuit comprises a misoperation protective circuit.
Described control circuit comprises the accelerator protective circuit that goes offline.
Described control circuit comprises a current limit circuit.
Described control circuit comprises a temperature protection circuit.
Characteristics of the present utility model are: because the utility model is electrically connected with toroidal inductor on the drive circuit of accelerator, be connected with toroidal inductor electric induction by a complex, whole acceleration control is by contactless control, has therefore well solved and has been easy to generate mechanical wear, fragile, the problem that is subject to such environmental effects in the prior art.In addition, increased the misoperation protective circuit in the control circuit, the protective circuit that goes offline, current limit circuit, temperature protection circuit, made system more reliable.
Description of drawings: the utility model is described further below in conjunction with the embodiment accompanying drawing.
Fig. 1 is the utility model example structure schematic diagram;
Fig. 2 is the accelerator circuit schematic diagram;
Fig. 3 is the control circuit schematic diagram;
Fig. 4 is the protective circuit that goes offline;
Fig. 5 is the misoperation protective circuit.
The utility model execution mode: as shown in Figure 1, storage battery (2) links to each other with binding post (28) among the figure through the main contacts (12) of main contactor, and resistance (13) is connected in parallel on main contactor main contacts two ends; Binding post (27) directly links to each other with battery cathode.Direct current machine armature (7) A1 end links to each other with binding post (28), and the A2 end links to each other with advance and retreat switches (06).
Aluminium section bar (26) plays heat radiation and fixing high-power components, 22～25 elements are high-power FET (MOSFET) or (IGPT) among the figure, 18～21 elements are the afterflow diode, high-power FET (MOSFET) or (IGPT) and afterflow secondary element be distributed in heat radiation aluminium section bar two ends; Radiating seat is connected electrically to the other end of forward-reverse (6), also connects the anode tap of continued flow tube (9).Cross-distribution is in the both sides of radiating seat (26) as shown for high-power MOSFET or IGBT and fly-wheel diode, and the quantity of element can increase according to the requirement of system or reduce.The both sides of radiating seat have groove, but installation and control circuit and auxiliary circuit; Power amplifier board (1) is installed on radiating seat top, compact conformation.
The excitation winding S1 of motor, S2 two ends link to each other with the two ends of forward-reverse (6).
The positive pole of storage battery (2) links to each other with control circuit with main contactor control coil (11) by a switch (3); Main contactor control coil two ends parallel diodes (10), this diode electrify to constrain to make and use; When switch (3) closure, give main contactor control coil (11) power supply, the power supply of controller power cell is given in the adhesive of main contactor main contacts, and meanwhile, control circuit (4) is activated.
Accelerator (05) plays supply controller signal for faster, and accelerator can adopt the potentiometer formula, Hall element formula and induction type.
Fig. 2 is the theory diagram of proximity induction accelerator.72,73 is the two ends that link to each other with speed control, and 74 are the whole circuit of full-bridge, and electric capacity 75 is filter capacitor, also provides instantaneous electric current for drive circuit; 76 is oscillating circuit, produces the square wave of alternation; 77 is drive circuit, for coil 78 provides driving voltage and electric current; 78 is toroidal inductor; 79 is complex.
During use, 72,73 are connected to the acceleration signal input end of electric machine controller, nonpolarity requirement; 74 is bridge rectifier, for entire circuit provides the energy, also with coil-induced current feedback to 72,73 ends; 76 is pierce circuit, and it produces frequency is the rectangle square wave of 16KHZ; 77 is drive circuit, from the oscillator signal of oscillator, is input to the input of CMOS reverser 80; The input of the output of reverser 80 and inverter 81 and an end of coil 78 link to each other; The end of the output of inverter 10 and capacitor C links to each other, and the other end links to each other with the other end of coil 78.
The rectangle alternating signal that amplifies through the CMOS inverter produces the electric current of alternation in induction coil 78, the electric current of alternation produces alternating magnetic fields on every side at coil.
79 is the complex of magnetic conductor and non-magnetizer.When complex 79 inserts in the coil, the alternating magnetic field that coil produces will produce eddy current loss in complex, thereby the power consumption of inverter 80,81 is strengthened, and be reacted to 72,73 end terminal voltages and descend; Complex insertion coil is dark more, and power consumption is big more, and 72,73 terminal voltages descend big more, thereby the variation of linear range is converted to voltage signal.
Fig. 3 is the control circuit theory diagram.
Power circuit (50) links to each other with an end of switch (03) by connecting line (30), and this end is a power control terminal, when this end has voltage, and power circuit output 14V voltage of voltage regulation and the required reference voltage of control circuit.
Input signal interface (51) is the matched interfaces of input signal for faster, and the difference configuration of input interface can be fit to the input of different signal for faster, and signal for faster links to each other with the input signal interface by connecting line (33); The output of input signal interface (51) links to each other with signal amplifier circuit (52) by connecting line (64), links to each other with misoperation protective circuit (53) and the accelerator protective circuit (54) that goes offline respectively by connecting line (65).
After signal amplifier circuit (52) amplifies, input to accelerating time circuit (55) through connecting line (66) from the signal of input signal interface (51) output again, the accelerating time circuit can be provided with the acceleration time according to the needs of system.
It is the high-frequency signal of 18KHZ that triangular wave oscillator (57) produces frequency.
Pulse-width modulation circuit (58) will carry out pulse width modulation from the shake signal of device (57) and accelerating time circuit (55) of triangular wave.The broad-adjustable signal of fixed frequency after the modulation inputs to drive circuit (59) by connecting line (71) and amplifies.Misoperation protective circuit (53) the in the future signal for faster of self-confident input signal interface compares, and when the normal operation of system, should give signal for faster at first for earlier circuit supply, can avoid like this generation " driving " and danger; The effect of misoperation protective circuit (53) is: in when operation, when switching on as giving signal for faster earlier, system is in static again, have only signal for faster to reset after, accelerating system could start again.The misoperation protective circuit can be avoided the mistake because of operator's operating sequence, causes to lose control of one's vehicle.The normal operation of operator is to give electricity earlier, and then quickens.If when the operator quickens earlier to give electricity again, as do not have the misoperation protective circuit, vehicle can be a danger close with very fast acceleration operation like this.
Fig. 5 is the misoperation protective circuit, it is made up of comparator IC2, IC3 resistance R 8, capacitor C 1, resistance R 7, R6, R3, R4, R5, the resistance R 8 that the in-phase input end of comparator IC2 links to each other with serial connection and the contact of capacitor C 1 are electrically connected, resistance R 8 another termination power VCC, capacitor C 1 other end ground connection; Resistance R 7 that the inverting input of comparator IC2 links to each other with serial connection and the contact of R6 are electrically connected, resistance R 7 another termination power VCC, R6 other end ground connection, the output of IC2 connects the in-phase end of IC3 through resistance R 5, R4, the in-phase end of IC3 is connecting resistance R3 simultaneously, another termination power VCC of resistance R 3.The voltage of the in-phase end of voltage comparator ic 2 rises can be than the voltage time-delay of its inverting input, its output is a low level, if the signal (65) from accelerator is arranged this moment, this moment, voltage comparator can keep electronegative potential always, resetted up to the signal from accelerator interfaces output (65).Misoperation when protection, the low-potential signal of misoperation protective circuit can the output of protective circuit comparison circuit be made through (67) end (68) end keeps electronegative potential, thereby make the controller no-output.
Fig. 4 is the accelerator protective circuit that goes offline; it is made up of comparator IC1, resistance R 1, R2; resistance R 2, R1 are connected in series; one termination power; other end ground connection; the in-phase end that tie point meets comparator IC1 provides reference potential; when the unexpected broken string of accelerator; the accelerator interfaces circuit can be exported a high potential; this current potential makes comparator IC1 be output as electronegative potential through the end of oppisite phase that line (65) inputs to comparator IC1; make the output of protective circuit comparator IC1 make (68) end keep electronegative potential through connecting line (67), thereby make the controller no-output.
Current limit circuit (60) limits the maximum current of controller, can protect the safety of motor and controller itself so effectively.
Temperature protection circuit (61) is protected the temperature of controller, and thermistor (34) links to each other with heat radiation aluminium seat (26) machinery, and thermistor links to each other with temperature protection circuit (61) by connecting line (35) (36).When the controller overload causes temperature too high, protect the inherently safe of controller effectively.
Protective circuit comparison circuit (56) will compare from the signal of each protective circuit, the signal after the comparison is inputed to the input (68) of pulse-width modulation circuit (58)
Claims (3)
1, DC motor controller, it is by storage battery, drive circuit, motor, control circuit, reversing switch, accelerator is formed, it is characterized in that: the accelerator that is electrically connected with control circuit is by full bridge rectifier, filter circuit, oscillating circuit, drive circuit, toroidal inductor, complex is formed, two inputs of control circuit are electrically connected to the input of full bridge rectifier, the output of the whole circuit of full-bridge is behind filter circuit, its output is electrically connected to the power supply terminal of oscillating circuit and drive circuit as its power supply, be electrically connected with toroidal inductor on drive circuit, complex is connected with toroidal inductor electric induction.
2, DC motor controller according to claim 1, it is characterized in that: described control circuit comprises a misoperation protective circuit, it is made up of comparator IC2, IC3 resistance R 8, capacitor C 1, resistance R 7, R6, R3, R4, R5, the resistance R 8 that the in-phase input end of comparator IC2 links to each other with serial connection and the contact of capacitor C 1 are electrically connected, resistance R 8 another termination power VCC, capacitor C 1 other end ground connection; Resistance R 7 that the inverting input of comparator IC2 links to each other with serial connection and the contact of R6 are electrically connected, resistance R 7 another termination power VCC, R6 other end ground connection, the output of IC2 connects the in-phase end of IC3 through resistance R 5, R4, the in-phase end of IC3 is connecting resistance R3 simultaneously, another termination power VCC of resistance R 3.
3; DC motor controller according to claim 1; it is characterized in that: described control circuit comprises the accelerator protective circuit that goes offline; it is by comparator IC1; resistance R 2; R1 forms; resistance R 2; R1 is connected in series; one termination power; other end ground connection; the in-phase end that tie point meets comparator IC1 provides reference potential; when the unexpected broken string of accelerator; the accelerator interfaces circuit can be exported a high potential; this current potential makes comparator IC1 be output as electronegative potential through the end of oppisite phase that line (65) inputs to comparator IC1, makes the output of protective circuit comparator IC1 make (68) end keep electronegative potential through connecting line (67), thereby makes the controller no-output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02258920U CN2586294Y (en) | 2002-11-20 | 2002-11-20 | D.C dynamo controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02258920U CN2586294Y (en) | 2002-11-20 | 2002-11-20 | D.C dynamo controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2586294Y true CN2586294Y (en) | 2003-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN02258920U Expired - Fee Related CN2586294Y (en) | 2002-11-20 | 2002-11-20 | D.C dynamo controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2586294Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102460339A (en) * | 2009-05-12 | 2012-05-16 | 雷蒙德·约翰·佩托 | A motor controller and related method |
| CN102582467A (en) * | 2012-02-24 | 2012-07-18 | 山东天海电装有限公司 | Controller for motor of pure electric vehicle |
| CN108001060A (en) * | 2017-12-31 | 2018-05-08 | 重庆辰罡科技有限公司 | A kind of combined steel seal marking device |
-
2002
- 2002-11-20 CN CN02258920U patent/CN2586294Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102460339A (en) * | 2009-05-12 | 2012-05-16 | 雷蒙德·约翰·佩托 | A motor controller and related method |
| CN102460339B (en) * | 2009-05-12 | 2014-10-29 | 雷蒙德·约翰·佩托 | A motor controller and related method |
| CN102582467A (en) * | 2012-02-24 | 2012-07-18 | 山东天海电装有限公司 | Controller for motor of pure electric vehicle |
| CN108001060A (en) * | 2017-12-31 | 2018-05-08 | 重庆辰罡科技有限公司 | A kind of combined steel seal marking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |