CN202488397U

CN202488397U - Intelligent controller for eddy current retarder

Info

Publication number: CN202488397U
Application number: CN2012201081962U
Authority: CN
Inventors: 高扬
Original assignee: Jiangsu IoT Research and Development Center
Current assignee: Jiangsu IoT Research and Development Center
Priority date: 2012-03-20
Filing date: 2012-03-20
Publication date: 2012-10-10
Anticipated expiration: 2022-03-20

Abstract

The utility model provides an intelligent controller for an eddy current retarder. A manual rotation coding switch is connected with a microprocessor through a first photoelectric isolation circuit, a vehicle speed signal and an ABS (anti-skid brake system) signal are connected with the microprocessor through a second photoelectric isolation circuit, a brake pedal signal is connected with the microprocessor through a first analog signal amplifying and comparing circuit, an output end of the microprocessor is connected with an input end of a retarder coil through a photoelectric isolation driving power circuit, a driving power device current signal outputted by the photoelectric isolation driving power circuit is connected with the microprocessor through a second analog signal amplifying and comparing circuit, and a retarder coil temperature signal and a driving power device temperature signal are connected with the microprocessor through a third analog signal amplifying and comparing circuit. The intelligent controller has the advantages that the stepless adjustment of retarder coil current can be realized by selecting the coding switch, the reliability of a system is improved by the aid of integrated double MOSFET (metal-oxide-semiconductor field effect transistor) power chips, and a hardware protection circuit can quickly respond to system exception.

Description

A kind of current vortex retarder is used intelligent controller

Technical field

The utility model relates to current vortex control field, specifically is that a kind of novel current vortex retarder is used intelligent controller.

Background technology

In existing oversize vehicle (like passenger vehicle, bus and lorry), increase current vortex retarder gradually and improve vehicle safety arrestment power in the process of moving.Eddy current retarder control system mainly divides two parts: the one, and the control section that constitutes by main processing controller and peripheral circuit thereof; The mechanical part that another part is made up of magnet exciting coil and corresponding mechanical structure.

At present, current vortex retarder all is to adopt to divide the gear control mode with controller, and the current changing rate that flows through power device when making braking is bigger, is unfavorable for the long-time use of power drive device.

Summary of the invention

The purpose of the utility model provides a kind of novel current vortex retarder and uses controller.The subject matter that the utility model solves is to overcome deficiency of the prior art, the controller of current vortex retarder that a kind of high reliability is provided, has mild controlled function.

The technical scheme that provides according to the utility model; Said current vortex retarder comprises microprocessor with intelligent controller, also comprises manual rotary coding switch input circuit, first photoelectric isolating circuit, second photoelectric isolating circuit, photoelectricity isolation drive power circuit, the first analog signal amplification and comparison circuit, retarder coil, the second analog signal amplification and comparison circuit, the 3rd analog signal amplification and comparison circuit, display screen; Said manual rotary coding switch has switching function and coding output function, connects the input of said microprocessor through first photoelectric isolating circuit; GES, ABS signal connect the input of microprocessor through said second photoelectric isolating circuit; The brake pedal signal amplifies the input that is connected microprocessor with comparison circuit through said first analog signal; The output of microprocessor connects the input of said retarder coil through photoelectricity isolation drive power circuit, and the driving power device current signal of photoelectricity isolation drive power circuit output is connected the input of microprocessor with comparison circuit through said second analog signal amplification simultaneously; Retarder coil temperature signal, driving power device temperature signal amplify the input that is connected microprocessor with comparison circuit through the 3rd analog signal; Display screen links to each other with microprocessor.

Said microprocessor connects relay indicating light and sound light alarming circuit through the 3rd photoelectric isolating circuit, and said relay indicating light comprises retarder controller power source indicator light and on-position indicator light.

Said manual rotary coding switch input circuit comprises rotary coding switch CI11-CT-V1Y22-LFACF; The pin E ground connection of CI11-CT-V1Y22-LFACF, and be connected with pin D through first electric capacity, pin D connects the first optocoupler light-emitting diodes tube cathode; The first optocoupler light-emitting diodes tube anode is connected to+the 5V power supply through first resistance; And through second capacity earth, the reception transistor emitter ground connection of first optocoupler, collector electrode connects the 5V power supply through second resistance; And be connected to 1 pin of the integrated 74LS07-1 of device in the same way; First optocoupler receives transistor collector and links to each other through the 3rd electric capacity with emitter, and 2 pin of the integrated 74LS07-1 of device in the same way connect the 3.3V power supply through the 3rd resistance, and output to microprocessor; The pin C ground connection of CI11-CT-V1Y22-LFACF; Pin A connects the second optocoupler light-emitting diodes tube cathode, and the second optocoupler light-emitting diodes tube anode is connected to+the 5V power supply through the 4th resistance, and through the 5th capacity earth; Second optocoupler receives transistor emitter ground connection; Collector electrode connects the 5V power supply through the 5th resistance, and is connected to 3 pin of the integrated 74LS07-2 of device in the same way, and the collector and emitter that second optocoupler receives triode links to each other through capacitor C 4; 4 pin of the integrated 74LS07-2 of device in the same way connect the 3.3V power supply through the 6th resistance, and output to microprocessor; The pin B of rotary coding switch connects the 3rd optocoupler light-emitting diodes tube cathode; The 3rd optocoupler light-emitting diodes tube anode is connected to+the 5V power supply through the 7th resistance; And through the 7th capacity earth, the 3rd optocoupler receives transistor emitter ground connection, and collector electrode connects the 5V power supply through the 8th resistance; And be connected to 5 pin of the integrated 74LS07-3 of device in the same way; The collector and emitter that the 3rd optocoupler receives triode links to each other through the 6th electric capacity, and 6 pin of the integrated 74LS07-3 of device in the same way connect the 3.3V power supply through the 9th resistance, and output to microprocessor.

Said microprocessor adopts DSP TMS320F28016, and 4 pin of the integrated 74LS07-2 of device in the same way connect the CAP1 pin of DSP TMS320F28016, and 6 pin of the integrated 74LS07-3 of device in the same way connect the CAP2 pin of DSP TMS320F28016; If the rising edge of the leading CAP2 signal of rising edge signal of the CAP1 signal of entering DSP TMS320F28016, be defined as and be rotated in the forward this moment, and promptly retarder braking power increases; If the rising edge of the rising edge hysteresis CAP2 signal of CAP1 signal, be defined as reverse rotation this moment, and promptly retarder braking power reduces.

Said photoelectricity isolation drive power circuit comprises the 4th optocoupler, integrated reverser 74LS04-1, MOSFET special driving chip UCC27321, integrated couple of MOSFET power tube IXTL2x240N055T; The 1 pin input of integrated reverser 74LS04-1 is from the drive signal PWM_1 of DSP TMS320F28016; 2 pin connect the 4th optocoupler light-emitting diodes tube cathode, and the 4th optocoupler light-emitting diodes tube anode is connected to the 3.3V power supply through the tenth resistance; The 4th optocoupler receives transistor emitter ground connection; Connect the 8th electric capacity between the collector and emitter, the 4th optocoupler receives transistor collector simultaneously through the 11 resistance connection+10V power supply, and connects the pin 2 of UCC27321; Said+10V power supply is through the 9th capacity earth, through the tenth capacity earth; The pin 1 of UCC27321 is connected said+10V power supply with pin 8, pin 4 and pin 5 ground connection, and pin 6 and pin 7 are connected to the pin G of IXTL2x240N055T through the 12 resistance; The pin G of IXTL2x240N055T is through the 13 resistance and voltage stabilizing didoe ground connection; The pin S_1 of IXTL2x240N055T and pin S_2 ground connection, the pin D_1 of IXTL2x240N055T and pin D_2 connect an end of retarder coil, another termination of retarder coil+24V power supply; First analog temperature sensor connects IXTL2x240N055T; Output detection signal TEMP_1 is a driving power device temperature signal, and second analog temperature sensor connects the retarder coil, and output detection signal TEMP_2 is a retarder coil temperature signal; Current sensor inserts the loop of IXTL2x240N055T and ground formation, output detection signal I1 is driving power device current signal; Said TEMP_1, TEMP_2 and I1 signal gets into the second analog signal amplification and comparison circuit and the 3rd analog signal and amplifies and comparison circuit; Output protection signal protect; 4 road pwm signal PWM_1 ' that guard signal protect generates with DSP TMS320F28016 respectively, PWM_2 ', PWM_3 ', PWM_4 ' through with door realize with logic after generate four tunnel drive signal PWM_1, PWM_2, PWM_3, the PWM_4 that drives four power tubes; Said and door is realized a hardware lock drive signal function; When retarder coil excess temperature, driving power device excess temperature or overcurrent occurring; The protect low level signal will be through blocking four tunnel drive signals with door, thereby realize the hardware protection to retarder control system.

The intelligence control method of current vortex retarder comprises following main process:

1) DSP TMS320F28016 receives to the signal of manual rotary coding switch input circuit; And according to the opening and closing of switching signal control retarder braking function; According to the power output of code signal adjusting controller of current vortex retarder, thus the braking force of realization control current vortex retarder.

2) DSP TMS320F28016 gathers GES, ABS signal, brake pedal signal, realizes the Based Intelligent Control of controller of current vortex retarder.

The utlity model has following advantage:

1) through selecting code switch can realize electrodeless adjusting through slow coil current.

2) select integrated pair of MOSFET power chip for use, improve the reliability of system.

3) hardware protection circuit of design can be made fast reaction to system exception.

Description of drawings

Fig. 1 is the system architecture diagram of the utility model.

Fig. 2 is the manual rotary coding switch input circuit schematic diagram of the utility model embodiment.

Fig. 3 is the utility model rotary coding sequential chart.Fig. 3 is the rising edge of the leading CAP2 signal of rising edge of middle CAP1 signal a); Fig. 3 b) rising edge of the rising edge hysteresis CAP2 signal of CAP1 signal in.

Fig. 4 is the photoelectricity isolation drive power circuit schematic diagram of the utility model embodiment.

Fig. 5 is that the analog signal of the utility model embodiment is amplified and the comparison circuit schematic diagram.

Fig. 6 is the hardware circuit protection philosophy figure that the utility model is realized.

Fig. 7 is the utility model control main program flow chart.

Fig. 8 is the automatic control flow chart figure that the utility model is realized.

Fig. 9 is the manual control flow chart that the utility model is realized.

Embodiment

Below in conjunction with accompanying drawing and embodiment the utility model is described further.

The controller of said intelligent electric eddy current retarder comprises: microprocessor (DSP TMS320F28016), manual rotary coding switch input circuit, first photoelectric isolating circuit, second photoelectric isolating circuit, photoelectricity isolation drive power circuit, the first analog signal amplification and comparison circuit, retarder coil, the second analog signal amplification and comparison circuit, the 3rd analog signal amplification and comparison circuit, display screen; Said manual rotary coding switch has switching function and coding output function, connects the input of said microprocessor through first photoelectric isolating circuit; GES, ABS signal connect the input of microprocessor through said second photoelectric isolating circuit; The brake pedal signal amplifies the input that is connected microprocessor with comparison circuit through said first analog signal; The output of microprocessor connects the input of said retarder coil through photoelectricity isolation drive power circuit, and the output of photoelectricity isolation drive power circuit is connected the input of microprocessor with comparison circuit through said second analog signal amplification simultaneously; Retarder coil temperature signal, driving power device temperature signal amplify the input that is connected microprocessor with comparison circuit through the 3rd analog signal; Display screen links to each other with microprocessor.

Specific embodiment is following.

Said manual rotary coding switch input circuit comprises rotary coding switch, and rotary coding switch is CI11-CT-V1Y22-LFACF for the series number that piher company produces, and its pin A-E function diagram is as shown in Figure 2.The pin E ground connection of CI11-CT-V1Y22-LFACF; And be connected with pin D through first capacitor C 1; Pin D connects the first optocoupler IC1 light-emitting diodes tube cathode, and the first optocoupler IC1 light-emitting diodes tube anode is connected to+the 5V power supply through first resistance R 1, and through second capacitor C, 2 ground connection; The reception transistor emitter ground connection of the first optocoupler IC1; Collector electrode connects the 5V power supply through second resistance R 2, and is connected to 1 pin of the integrated 74LS07-1 of device in the same way, and the first optocoupler IC1 receives transistor collector and links to each other through the 3rd capacitor C 3 with emitter; 2 pin of the integrated 74LS07-1 of device in the same way connect the 3.3V power supply through the 3rd resistance R 3, and output to the GPIO12 pin of DSP TMS320F28016; The pin C ground connection of CI11-CT-V1Y22-LFACF; Pin A connects the second optocoupler IC2 light-emitting diodes tube cathode, and the second optocoupler IC2 light-emitting diodes tube anode is connected to+the 5V power supply through the 4th resistance R 4, and through the 5th capacitor C 5 ground connection; The second optocoupler IC2 receives transistor emitter ground connection; Collector electrode connects the 5V power supply through the 5th resistance R 5, and is connected to 3 pin of the integrated 74LS07-2 of device in the same way, and the collector and emitter that the second optocoupler IC2 receives triode links to each other through capacitor C 4; 4 pin of the integrated 74LS07-2 of device in the same way connect the 3.3V power supply through the 6th resistance R 6, and output to the CAP1 pin of DSP TMS320F28016; The pin B of rotary coding switch connects the 3rd optocoupler IC3 light-emitting diodes tube cathode; The 3rd optocoupler IC3 light-emitting diodes tube anode is connected to+the 5V power supply through the 7th resistance R 7; And through the 7th capacitor C 7 ground connection, the 3rd optocoupler IC3 receives transistor emitter ground connection, and collector electrode connects the 5V power supply through the 8th resistance R 8; And be connected to 5 pin of the integrated 74LS07-3 of device in the same way; The collector and emitter that the 3rd optocoupler IC3 receives triode links to each other through the

6th capacitor C

6, and 6 pin of the integrated 74LS07-3 of device in the same way connect the 3.3V power supply through the 9th resistance R 9, and output to the CAP2 pin of DSP TMS320F28016.

As shown in Figure 3, for getting into CAP1 and the CAP2 signal of DSP TMS320F28016, the rising edge of the leading CAP2 signal of rising edge signal of CAP1 among Fig. 3-a is defined as and is rotated in the forward i.e. retarder braking power increase at this moment; The rising edge of the rising edge signal lag CAP2 signal of CAP1 among Fig. 3-b, be defined as reverse rotation this moment, and promptly retarder braking power reduces.

As shown in Figure 4; Said photoelectricity isolation drive power circuit comprises the 4th optocoupler IC4, integrated reverser 74LS04-1, MOSFET special driving chip IC5 UCC27321, integrated couple of MOSFET power tube IC6 IXTL2x240N055T; The 1 pin input of integrated reverser 74LS04-1 is from the drive signal PWM_1 of DSP TMS320F28016 among Fig. 1; 2 pin connect the 4th optocoupler IC4 light-emitting diodes tube cathode, and the 4th optocoupler IC4 light-emitting diodes tube anode is connected to the 3.3V power supply through the tenth resistance R 10; The 4th optocoupler IC4 receives transistor emitter ground connection; Connect the 8th capacitor C 8 between the collector and emitter; The 4th optocoupler IC4 receives transistor collector simultaneously through the 11 resistance R 11 connection+10V power supplys; And the pin 2 of connection IC5 UCC27321, said+10V power supply is through the 9th capacitor C 9 ground connection, through the tenth capacitor C 10 ground connection, and the pin 1 of UCC27321 is connected said+10V power supply with pin 8; Pin 4 and pin 5 ground connection; Pin 6 and pin 7 are connected to the pin G of integrated couple of MOSFET power tube IC6 IXTL2x240N055T through the 12 resistance R 12, and the pin G of integrated couple of MOSFET power tube IC6 is through the 13 resistance R 13 and voltage stabilizing didoe D1 ground connection, the pin S_1 of integrated couple of MOSFET power tube IC6 and pin S_2 ground connection; The pin D_1 of integrated couple of MOSFET power tube IC6 and pin D_2 connect an end of retarder coil, another termination of retarder coil+24V power supply; First analog temperature sensor connects integrated couple of MOSFET power tube IC6, and output detection signal TEMP_1 is a driving power device temperature signal, and second analog temperature sensor connects the retarder coil, and output detection signal TEMP_2 is a retarder coil temperature signal; Current sensor inserts the loop of integrated couple of MOSFET power tube IC6 and ground formation, output detection signal I1 is driving power device current signal.

As shown in Figure 5, for the analog signal of the utility model is amplified and comparison circuit, comprising temperature and current detecting and comparison circuit.TEMP_1 is from first analog temperature sensor among Fig. 4, and TEMP_1 is through the forward input pin 3 of the 15 resistance R 15 connection integrated transporting discharging LM358-1, and integrated transporting discharging LM358-1 constitutes scale operation circuit in the same way; Proportionality coefficient is by the 14 resistance R 14 and 16 decisions of the 16 resistance R; Through scale operation circuit in the same way, the TEMP_1 signal is exaggerated, the TEMP_1 signal after pin 1 output of integrated transporting discharging LM358-1 is amplified; Be connected to the forward input pin 5 of integrated transporting discharging LM339-1 through the 17 resistance R 17; Pin 5 is through the 5th electric capacity E5 ground connection, and reverse input pin 4 is through the 18 resistance R 18 ground connection, and integrated transporting discharging LM339-1 constitutes voltage comparator.Integrated transporting discharging LM339-1 output pin 2 is through the 19 resistance R 19 connection+5V power supplys; And be connected to the anode of the 3rd diode D3; The negative electrode of the 3rd diode D3 connects the pin 1 of integrated reverser 74LS04-1; The pin 1 of 74LS04-1 is through the 32 resistance R 32 ground connection, and the pin 2 of 74LS04-1 is exported the protect signals.

TEMP_2 is from second analog temperature sensor, I1 from current sensor among Fig. 4.TEMP_2 with I1 detection and comparison circuit and TEMP_1 are similar, just do not give unnecessary details at this.Wherein the effect of diode D3, D4, D5 be prevent TEMP_1, TEMP_2, I1 signal coupling.

As shown in Figure 6; By Fig. 5 generate PWM_1 ' that protect signal and DSP TMS320F28016 generate, PWM_2 ', PWM_3 ', PWM_4 ' four road signals through with door 74LS08 realize with logic after generate drive signal PWM_1, PWM_2, PWM_3, the PWM_4 that drives four power tubes; IC12 realizes hardware lock drive signal function; When retarder coil excess temperature, driving power device excess temperature or overcurrent occurring; The protect low level signal will be through blocking four tunnel drive signals with door 74LS08, thereby realized the hardware protection to retarder control system.

As shown in Figure 7, the utility model control method retarder braking function main flow chart, the concrete operations of control method are following:

The first step: judge whether the retarder controlled function opens, start signal, then gets into abnormal signal and detects if the retarder controlled function is opened from the GPIO12 pin step-down level among Fig. 2; Do not open if detect the retarder controlled function, then return.

Second step: detect whether the abnormal signal input is arranged, abnormal signal comprises that from the protect among Fig. 5 the retarder coil temperature surpasses the upper limit, driving power device temperature, electric current above the upper limit.If detect abnormal signal, then get into the demonstration fault message, call the sound and light alarm program, then do not get into the judgement speed of a motor vehicle if detect abnormal signal.

The 3rd step: whether detect the speed of a motor vehicle less than limiting the speed of a motor vehicle, if the speed of a motor vehicle then stops retarder work less than limiting the speed of a motor vehicle, retarder controller output this moment driving pulse duty ratio is zero.If the speed of a motor vehicle gets into brake signal and detects greater than limiting the speed of a motor vehicle.

The 4th step: whether have brake pedal signal, if detect the brake pedal signal is arranged if detecting, then call automatic control program.If do not detect the brake pedal signal, then detect and do not select manually control, if select manually control then get into to call manual control program, manually then do not stop retarder work if select.

As shown in Figure 8, the utility model is controlled sub-process figure automatically, and the concrete operations of control method are following:

Step 2.1: the automatic control program that calls by Fig. 7 gets into output retarder braking index signal.

Step 2.2: according to brake pedal pressure calculated signals retarder control PWM duty ratio.

Step 2.3: judge whether retarder coil temperature, driving power device temperature, electric current surpass set upper limit, if surpass the upper limit, then reduce retarder coil pwm signal duty ratio, and get into excess temperature/overcurrent judgement and defence program.If do not surpass the upper limit, then export pwm control signal.

Step 2.4: judge whether the brake pedal pressure signal exists,, then judged whether the ABS signal,, then stop retarder work if there is not the brake pedal pressure signal if the brake pedal pressure signal is arranged.

Step 2.5: judged whether the ABS signal, if the ABS signal arranged then preserve current pwm signal, and locking signal output.If there is not the ABS signal; Judge once more then whether retarder coil temperature, driving power device temperature, electric current surpass set upper limit,, then return and reduce retarder coil pwm signal duty ratio if surpass the upper limit; If do not surpass the upper limit, then export pwm control signal.Increase the pwm signal duty ratio according to the brake pedal pressure signal that calculates.

Step 2.6: judged whether the ABS signal once more, if the ABS signal is arranged then cycle detection, if not then the pwm signal of recover preserving, and restoring signal output.

As shown in Figure 9, the utility model is manually controlled sub-process figure, and the concrete operations of control method are following:

Step 3.1: get into the output services index signal by the manual control program of calling of Fig. 7.

Step 3.2: judge whether retarder coil temperature, driving power device temperature, electric current surpass set upper limit, if surpass the upper limit, then reduce retarder coil pwm signal duty ratio, and get into excess temperature/overcurrent judgement and defence program.If surpass the upper limit, then confirm the duty ratio of output pwm control signal according to manual rotary coding.

Step 3.3: judged whether the brake pedal pressure signal,, then detected whether the ABS signal is arranged,, whether manually then selected if there is not the brake pedal pressure signal if the brake pedal pressure signal is arranged.

Step 3.4: judged whether the ABS signal, if the ABS signal arranged then preserve current pwm signal, and locking signal output.If there is not the ABS signal, judge then whether retarder coil temperature, driving power device temperature, electric current surpass set upper limit.

Step 3.5: judged whether the ABS signal once more, if the ABS signal is arranged then cycle detection, if not then the pwm signal of recover preserving, and restoring signal output.

Step 3.6: judge whether to select manually, do not select manually then not stop retarder work, if select manually then detect retarder coil temperature, driving power device temperature, electric current once more whether surpass set upper limit.

Step 3.7: judge once more whether retarder coil temperature, driving power device temperature, electric current surpass set upper limit; If surpass the upper limit; Then return and reduce retarder coil pwm signal duty ratio; If surpass the upper limit, then confirm the duty ratio of output pwm control signal according to manual rotary coding.

Claims

1. a current vortex retarder is used intelligent controller; Comprise microprocessor, it is characterized in that: also comprise manual rotary coding switch input circuit, first photoelectric isolating circuit, second photoelectric isolating circuit, photoelectricity isolation drive power circuit, the first analog signal amplification and comparison circuit, retarder coil, the second analog signal amplification and comparison circuit, the 3rd analog signal amplification and comparison circuit, display screen; Said manual rotary coding switch connects the input of said microprocessor through first photoelectric isolating circuit; GES, ABS signal connect the input of microprocessor through said second photoelectric isolating circuit; The brake pedal signal amplifies the input that is connected microprocessor with comparison circuit through said first analog signal; The output of microprocessor connects the input of said retarder coil through photoelectricity isolation drive power circuit, and the driving power device current signal of photoelectricity isolation drive power circuit output is connected the input of microprocessor with comparison circuit through said second analog signal amplification simultaneously; Retarder coil temperature signal, driving power device temperature signal amplify the input that is connected microprocessor with comparison circuit through the 3rd analog signal; Display screen links to each other with microprocessor.

2. current vortex retarder as claimed in claim 1 is used intelligent controller; It is characterized in that: said microprocessor connects relay indicating light and sound light alarming circuit through the 3rd photoelectric isolating circuit, and said relay indicating light comprises retarder controller power source indicator light and on-position indicator light.

3. current vortex retarder as claimed in claim 1 is used intelligent controller; It is characterized in that: said manual rotary coding switch input circuit comprises rotary coding switch CI11-CT-V1Y22-LFACF; The pin E ground connection of CI11-CT-V1Y22-LFACF, and be connected with pin D through first electric capacity (C1), pin D connects first optocoupler (IC1) light-emitting diodes tube cathode; First optocoupler (IC1) light-emitting diodes tube anode is connected to+the 5V power supply through first resistance (R1); And through second electric capacity (C2) ground connection, the reception transistor emitter ground connection of first optocoupler (IC1), collector electrode connects the 5V power supply through second resistance (R2); And be connected to 1 pin of the integrated 74LS07-1 of device in the same way; First optocoupler (IC1) receives transistor collector and links to each other through the 3rd electric capacity (C3) with emitter, and 2 pin of the integrated 74LS07-1 of device in the same way connect the 3.3V power supply through the 3rd resistance (R3), and output to microprocessor; The pin C ground connection of CI11-CT-V1Y22-LFACF; Pin A connects second optocoupler (IC2) light-emitting diodes tube cathode, and second optocoupler (IC2) light-emitting diodes tube anode is connected to+the 5V power supply through the 4th resistance (R4), and through the 5th electric capacity (C5) ground connection; Second optocoupler (IC2) receives transistor emitter ground connection; Collector electrode connects the 5V power supply through the 5th resistance (R5), and is connected to 3 pin of the integrated 74LS07-2 of device in the same way, and the collector and emitter that second optocoupler (IC2) receives triode links to each other through capacitor C 4; 4 pin of the integrated 74LS07-2 of device in the same way connect the 3.3V power supply through the 6th resistance (R6), and output to microprocessor; The pin B of rotary coding switch connects the 3rd optocoupler (IC3) light-emitting diodes tube cathode; The 3rd optocoupler (IC3) light-emitting diodes tube anode is connected to+the 5V power supply through the 7th resistance (R7); And through the 7th electric capacity (C7) ground connection, the 3rd optocoupler (IC3) receives transistor emitter ground connection, and collector electrode connects the 5V power supply through the 8th resistance (R8); And be connected to 5 pin of the integrated 74LS07-3 of device in the same way; The collector and emitter that the 3rd optocoupler (IC3) receives triode links to each other through the 6th electric capacity (C6), and 6 pin of the integrated 74LS07-3 of device in the same way connect the 3.3V power supply through the 9th resistance (R9), and output to microprocessor.

4. current vortex retarder as claimed in claim 3 is used intelligent controller; It is characterized in that: said microprocessor adopts DSP TMS320F28016; 4 pin of the integrated 74LS07-2 of device in the same way connect the CAP1 pin of DSP TMS320F28016, and 6 pin of the integrated 74LS07-3 of device in the same way connect the CAP2 pin of DSP TMS320F28016.

5. current vortex retarder as claimed in claim 4 is used intelligent controller; It is characterized in that: said photoelectricity isolation drive power circuit comprises the 4th optocoupler (IC4), integrated reverser 74LS04-1, MOSFET special driving chip UCC27321 (IC5), integrated couple of MOSFET power tube IXTL2x240N055T (IC6); The 1 pin input of integrated reverser 74LS04-1 is from the drive signal PWM_1 of DSP TMS320F28016; 2 pin connect the 4th optocoupler (IC4) light-emitting diodes tube cathode, and the 4th optocoupler (IC4) light-emitting diodes tube anode is connected to the 3.3V power supply through the tenth resistance (R10); The 4th optocoupler (IC4) receives transistor emitter ground connection; Connect the 8th electric capacity (C8) between the collector and emitter; The 4th optocoupler (IC4) receives transistor collector simultaneously through the 11 resistance (R11) connection+10V power supply; And the pin 2 of connection UCC27321 (IC5), said+10V power supply is through the 9th electric capacity (C9) ground connection, through the tenth electric capacity (C10) ground connection, and the pin 1 of UCC27321 (IC5) is connected said+10V power supply with pin 8; Pin 4 and pin 5 ground connection; Pin 6 and pin 7 are connected to the pin G of IXTL2x240N055T (IC6) through the 12 resistance (R12), and the pin G of IXTL2x240N055T (IC6) passes through the 13 resistance (R13) and voltage stabilizing didoe (D1) ground connection, the pin S_1 of IXTL2x240N055T (IC6) and pin S_2 ground connection; The pin D_1 of IXTL2x240N055T (IC6) and pin D_2 connect an end of retarder coil; Another termination of retarder coil+24V power supply, first analog temperature sensor connects IXTL2x240N055T (IC6), and output detection signal TEMP_1 is a driving power device temperature signal; Second analog temperature sensor connects the retarder coil, and output detection signal TEMP_2 is a retarder coil temperature signal; Current sensor inserts the loop of IXTL2x240N055T (IC6) and ground formation, output detection signal I1 is driving power device current signal; Said TEMP_1, TEMP_2 and I1 signal gets into the second analog signal amplification and comparison circuit and the 3rd analog signal and amplifies and comparison circuit; 4 road pwm signal PWM_1 ' that output protection signal protect, guard signal protect generate with DSP TMS320F28016 respectively, PWM_2 ', PWM_3 ', PWM_4 ' through with door realize with logic after generate four tunnel drive signal PWM_1, PWM_2, PWM_3, the PWM_4 that drives four power tubes.