CN107204728A - One kind can covert polyphase machine power driving device - Google Patents
One kind can covert polyphase machine power driving device Download PDFInfo
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- CN107204728A CN107204728A CN201610154757.5A CN201610154757A CN107204728A CN 107204728 A CN107204728 A CN 107204728A CN 201610154757 A CN201610154757 A CN 201610154757A CN 107204728 A CN107204728 A CN 107204728A
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- polyphase machine
- igbt drive
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
- H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
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Abstract
Can in a disguised form polyphase machine power driving device, including IGBT drive module, power module, detection module, protection module the invention discloses one kind；IGBT drive module includes light-coupled isolation, IGBT drive circuit, multi-phase inverter bridge；Power module mainly includes DC power supplier and voltage transformation module ,+24V, ± 15V ,+the 5V direct current of the convertible control of voltage transformation module；Detection module mainly includes DC voltage current detecting, phase current sensing, temperature detection；Protection module includes fin, overheating protection circuit, current foldback circuit, under-voltage overvoltage crowbar, short-circuit protection circuit.The present invention can be applied to the polyphase machine SERVO CONTROL of a variety of different numbers of phases as standard universal module, and many motor servo controls, highly versatile, flexibly and easily.
Description
Technical field
The present invention relates to one kind can in a disguised form polyphase machine power driving device, the device for polyphase machine servo drive control of specifically a kind of modularized design, belong to technical field of motor servo control.
Background technology
Polyphase machine is the motor that the number of phases exceedes three-phase, and it is had high reliability, torque pulsation small and can moved with phase shortage, can realize the technical characteristics such as low-pressure high-power.
Polyphase machine servo-driver is the Reliable guarantee that polyphase machine is capable of effective exercise.Five-phase induction motor, six-phase motor, seven phase motors, the servo-driver of nine phase motors can not be exchanged in existing polyphase machine, and the synchronous servo-driver with multiphase induction motor of multi-phase permanent can not be exchanged, and lack versatility.Servo-driver is made up of multiple functional modules, it is main to include control and power drive two parts, and as only included IGBT drive circuit and IGBT in intelligent power module in existing power driver module product, there is no power module, phase current sensing module, the present invention carries out independent Seriation Design to control suitable for polyphase machine for power drive part, improves power drive part integrated level, interchangeability and versatility in servo-driver.
Control chip performance boost so that motion control and SERVO CONTROL can be combined with depth is made of one machine.It multiphase driving power plate can in a disguised form be used as critical component in Multi-axis motion control, cost can be reduced, improve versatility.
The content of the invention
In order to overcome above-mentioned deficiency of the prior art, can covert polyphase machine power driving device the invention provides one kind, can as the polyphase machine servo-drivers such as five phases, six phases, seven phases, nine phase motors power driving device, also can as the servo-driver of multiple three phase electric machines power driving device.
In order to solve the above-mentioned technical problem, the technical scheme is that：One kind can covert polyphase machine power driving device, it is characterised in that：Including IGBT drive module, power module, detection module, protection module；Power module is respectively that IGBT drive module, detection module, protection module are powered, and the signal that protection module is fed back by detection module is protected to IGBT drive module.
Further to above-mentioned technical proposal to limit, the IGBT drive module includes multi-channel PWM input interface, light-coupled isolation module, IGBT drive circuit, multi-phase inverter bridge, polyphase machine power interface；Multi-channel PWM input interface is connected by light-coupled isolation module with IGBT drive circuit, and IGBT drive circuit connects with multi-phase inverter bridging, and multi-phase inverter bridge is connected with polyphase machine interfaces.Advantage：Light-coupled isolation module improves antijamming capability to carrying out electrical isolation in PWM and IGBT drive circuit；IGBT drive circuit provides short-circuit protection for multi-phase inverter bridge, improves multi-phase inverter bridge security.
Further to above-mentioned technical proposal to limit, the multi-phase inverter bridge can be replaced with intelligent power module.Advantage：Intelligent power module is seriation matured product, and performance is stable to be may be used as constituting multi-phase inverter bridge.
Further to above-mentioned technical proposal to limit, the power module includes：DC power supplier, voltage transformation module, ground terminal.Advantage：Control power supply itself on power amplifier board is provided, and integrated level is high, it is not necessary to external+24V, ± 15V ,+5V control power supply.
Further to above-mentioned technical proposal to limit, the DC power supplier includes the uncontrollable rectifier bridge of three-phase bridge or single-phase full bridge, current-limiting resistance, absorption resistance, Absorption Capacitance, filter inductance, filter capacitor, relay interface；Rectifier bridge or single-phase full bridge anode are connected after being sequentially connected current-limiting resistance, filter inductance with filter capacitor, and absorption resistance is in parallel with filter capacitor again after being connected with Absorption Capacitance to constitute absorption peak voltage, overvoltage, overcurrent circuit；Filter inductance is in parallel with filter capacitor to constitute composite filter；Relay is in parallel with current-limiting resistance to constitute Anti-surging current circuit, on power module between electricity, and relay, which is realized, to be disconnected, and current-limiting resistance is accessed circuit composition Anti-surging current circuit, and relay interface closes bypass current-limiting resistance after filter capacitor charging complete.Advantage：Can by convert alternating current into output stable DC voltage while protect power circuit, Anti-surging electric current, peak voltage, overvoltage, overcurrent, filter out high frequency voltage.
Further to above-mentioned technical proposal to limit, the detection module includes phase current sensing, temperature detection, DC voltage current detecting, detection feedback interface；DC voltage current detecting, which includes analog isolation module, is used for DC voltage, the analog quantity detecting distance of current detecting.Advantage：Detected value directly carries out electrical isolation with external output signal, improves antijamming capability.
Further to above-mentioned technical proposal to limit, the protection module includes fin, overheating protection circuit, current foldback circuit, under-voltage overvoltage crowbar, short-circuit protection circuit, outer brake resistance interface.Advantage：1. fin：Power module and IGBT module are heating element, there is irreversible infringement if overheat, and fin improves heat-sinking capability；2. overtemperature protection exceedes setting safe temperature when detection IGBT elements, IGBT bridge groups are shut off；3. current foldback circuit, under-voltage overvoltage crowbar are used to improve DC-side Voltage Stabilization；4. short-circuit protection circuit prevents the upper and lower bridge arms of IGBT are simultaneously turned on from causing component to burn；5. outer brake resistance interface can absorb the electric current in motor coil.
Beneficial effect：Compared with prior art and product, advantages of the present invention：1. can as the controller of the polyphase machines such as five phases, six phases, seven phases, nine phase motors general building block, be easy to fast construction polyphase machine control servo-driver；2. it is applicable to the control of both motors of multiphase permanent magnet synchronous motor and multiphase induction motor；3. power driving device is important composition part in motor servo driving, modularization is carried out to it, also the control available for multiple three phase electric machines, reduce cost, reduce layout, wiring.4. can be realized for polyphase machine in a disguised form means equally realize that Variable power drives, different capacity demand occasion is met.
Brief description of the drawings
Fig. 1 can covert polyphase machine servo drive system Organization Chart for one kind of the present invention.
Fig. 2 is the application example of variable polyphase machine power drive.
Embodiment
As shown in figure 1, one kind can covert polyphase machine power driving device, it is characterised in that：Including IGBT drive module, power module, detection module, protection module；Power module is respectively that IGBT drive module, detection module, protection module are powered, and the signal that protection module is fed back by detection module is protected to IGBT drive module.
As depicted in figs. 1 and 2, the IGBT drive module includes multi-channel PWM input interface, light-coupled isolation module, IGBT drive circuit, multi-phase inverter bridge, polyphase machine power interface；Multi-channel PWM input interface is connected by light-coupled isolation module with IGBT drive circuit, and IGBT drive circuit is connected by multi-phase inverter bridge with polyphase machine interfaces.Operation principle：The PWM ripples that polyphase machine control panel is produced are transferred to IGBT drive module by multi-channel PWM input interface and light-coupled isolation module so that electrical isolation is carried out between control panel and polyphase machine power driving device, improve antijamming capability.The IGBT elements carried out in PWM ripples connection IGBT drive circuit after electrical isolation, IGBT drive circuit driving multi-phase inverter bridge are opened or closed, the voltage vector required for synthesis polyphase machine control.IGBT drive circuit provides driving voltage and electric current there is provided IGBT short-circuit protection circuits to IGBT elements, isolates control circuit and main circuit.The multi-phase inverter bridge can be replaced with IPM SPMs.
As depicted in figs. 1 and 2, the power module includes：DC power supplier, voltage transformation module, ground terminal；The DC power supplier includes the uncontrollable rectifier bridge of three-phase bridge or single-phase full bridge, current-limiting resistance, absorption resistance, Absorption Capacitance, filter inductance, filter capacitor, relay interface；Rectifier bridge or single-phase full bridge anode are connected after being sequentially connected current-limiting resistance, filter inductance with filter capacitor, relay is in parallel with current-limiting resistance to constitute Anti-surging current circuit, and absorption resistance is in parallel with filter capacitor again after being connected with Absorption Capacitance to constitute absorption peak voltage, overvoltage, overcurrent circuit；Filter inductance is in parallel with filter capacitor to constitute composite filter；Relay is in parallel with current-limiting resistance to constitute Anti-surging current circuit, and relay interface is closed after filter capacitor charging complete for bypassing current-limiting resistance.Operation principle：Power module provides dc source, IGBT drive module offer ± 15V power supplys for DC side, and+5V power supplys are provided for other chips.Three-phase alternating current charges after the uncontrollable rectifier bridge of three-phase bridge or single-phase full bridge are rectified into direct current by current-limiting resistance to filter capacitor, and relay interface bypasses current-limiting resistance after charging complete.The direct current that DC power supplier is produced directly feeds multi-phase inverter bridge afterwards after filtering, is used as DC side power supply；Two-phase electricity in three-phase alternating current is converted to+24V, ± 15V and+5V by voltage transformation module.Ground terminal carries out effective grounding protection.
As depicted in figs. 1 and 2, the detection module includes phase current sensing, temperature detection, DC voltage current detecting, detection feedback interface；DC voltage current detecting, which includes analog isolation module, is used for DC voltage, the analog quantity detecting distance of current detecting.Operation principle：Phase current sensing carries out non-cpntact measurement using lossless Hall current sensor and used for motor control, and amplifier is converted to 0V ~ 3V voltage signals so that outside AD conversion module is read out after filtering.Temperature detection is measured using temperature sensor（Such as LM35 temperature sensors）, detect that the ambient temperature data of IGBT module is delivered to temperature interface.Direct current side interface is connected after being detected to DC voltage current detecting using electric resistance partial pressure detection mode；Current detecting is filtered using discharge circuit, linear optical coupling is connected after amplifier, and linear optical coupling reconnects external direct current side interface after carrying out electrical isolation.Temperature interface and DC voltage current versus export 0V ~ 3V voltage signal to be read out by outside AD conversion module.Detection feedback interface is used to be connected with the AD interfaces of control panel.
As depicted in figs. 1 and 2, the protection module includes fin, overheating protection circuit, current foldback circuit, under-voltage overvoltage crowbar, short-circuit protection circuit（Being there is provided by IGBT drive circuit prevents upper and lower bridge arm from simultaneously turning on）, outer brake resistance interface is connected with braking resistor.Operation principle：IGBT drive module and rectifier bridge are heating vigour part, and both pass through thermal plastic insulation and fin Surface Mount.The detection of overheating protection circuit temperature in use sensor chip obtains voltage signal and is compared size with design temperature corresponding voltage value, obtains closing IGBT drive module if voltage is excessive if detection.Current foldback circuit and under-voltage overvoltage crowbar are used to close IGBT drive module when over-pressed to DC side overcurrent, under-voltage.Short-circuit protection circuit dead band time setting in IGBT drive circuit prevents the short circuit of multi-phase inverter bridge upper and lower bridge arm.When protection module is protected to IGBT drive module, braking resistor can be braked rapidly to polyphase machine, realized and shut down purpose.
Many way polyphase machine interfaces in variable polyphase machine power driving device are attached with the polyphase machine or many motors of the respective corresponding number of phases, composition control network.
Embodiment 1：As depicted in figs. 1 and 2, variable polyphase machine power driving device controls a six-phase motor as core component composition servo-driver.Three-phase AC 220V alternating currents connect the three-phase alternating current source interface in variable polyphase machine power driving device by contactor.Control panel produces six-phase motor control and connects driving plate PWM ripple input interfaces with 12 road PWM ripples.Detection feedback interface in driving plate（Phase current sensing, DC voltage, current detecting, temperature detection mouthful）Connect the AD conversion interface on control panel.The I/O port of control panel connects the relay interface of driving plate all the way.The braking resistor of driving plate outer brake resistance interface matching connection.Driving plate ground terminal effective grounding.Sequential selection six is attached with six-phase motor power interface in many interfaces of driving plate.The encoder of six-phase motor connects the encoder feedback interface of control panel, to constitute six-phase motor servo drive system.
The preferred embodiment of the present invention is the foregoing is only, is not intended to limit the invention, every any modifications, equivalent substitutions and improvements made within the spirit and principles in the present invention etc. should be included in the scope of the protection.Do not elaborate and provide in this specification in place of circuit diagram, be technology well known in the art.
Claims (7)
1. one kind can covert polyphase machine power driving device, it is characterised in that：Including IGBT drive module, power module, detection module, protection module；Power module is respectively that IGBT drive module, detection module, protection module are powered, and the signal that protection module is fed back by detection module is protected to IGBT drive module.
2. one kind can covert polyphase machine power driving device according to claim 1, it is characterised in that：The IGBT drive module includes multi-channel PWM input interface, light-coupled isolation module, IGBT drive circuit, multi-phase inverter bridge, polyphase machine power interface；Multi-channel PWM input interface is connected by light-coupled isolation module with IGBT drive circuit, and IGBT drive circuit connects with multi-phase inverter bridging, and multi-phase inverter bridge is connected with polyphase machine interfaces.
3. one kind can covert polyphase machine power driving device according to claim 2, it is characterised in that：The multi-phase inverter bridge can be replaced with intelligent power module.
4. one kind according to claim 1 or claim 2 can covert polyphase machine power driving device, it is characterised in that：The power module includes：DC power supplier, voltage transformation module, ground terminal.
5. one kind can covert polyphase machine power driving device according to claim 4, it is characterised in that：The DC power supplier includes the uncontrollable rectifier bridge of three-phase bridge or single-phase full bridge, current-limiting resistance, absorption resistance, Absorption Capacitance, filter inductance, filter capacitor, relay interface；Rectifier bridge or single-phase full bridge anode are connected after being sequentially connected current-limiting resistance, filter inductance with filter capacitor, and absorption resistance is in parallel with filter capacitor again after being connected with Absorption Capacitance to constitute absorption peak voltage, overvoltage, overcurrent circuit；Filter inductance is in parallel with filter capacitor to constitute composite filter；Relay is in parallel with current-limiting resistance to constitute Anti-surging current circuit, and relay interface is closed after filter capacitor charging complete for bypassing current-limiting resistance.
6. one kind can covert polyphase machine power driving device according to claim 4, it is characterised in that：The detection module includes phase current sensing, temperature detection, DC voltage current detecting, detection feedback interface；DC voltage current detecting, which includes analog isolation module, is used for DC voltage, the analog quantity detecting distance of current detecting.
7. one kind can covert polyphase machine power driving device according to claim 6, it is characterised in that：The protection module includes fin, overheating protection circuit, current foldback circuit, under-voltage overvoltage crowbar, short-circuit protection circuit, outer brake resistance interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610154757.5A CN107204728A (en) | 2016-03-18 | 2016-03-18 | One kind can covert polyphase machine power driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610154757.5A CN107204728A (en) | 2016-03-18 | 2016-03-18 | One kind can covert polyphase machine power driving device |
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| Publication Number | Publication Date |
|---|---|
| CN107204728A true CN107204728A (en) | 2017-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610154757.5A Pending CN107204728A (en) | 2016-03-18 | 2016-03-18 | One kind can covert polyphase machine power driving device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108565839A (en) * | 2018-03-08 | 2018-09-21 | 精进电动科技股份有限公司 | A kind of IGBT drive circuit and electric machine controller of electric machine controller |
| CN109379004A (en) * | 2018-11-28 | 2019-02-22 | 科力远混合动力技术有限公司 | A kind of three-phase brushless motor driving plate |
-
2016
- 2016-03-18 CN CN201610154757.5A patent/CN107204728A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108565839A (en) * | 2018-03-08 | 2018-09-21 | 精进电动科技股份有限公司 | A kind of IGBT drive circuit and electric machine controller of electric machine controller |
| CN109379004A (en) * | 2018-11-28 | 2019-02-22 | 科力远混合动力技术有限公司 | A kind of three-phase brushless motor driving plate |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170926 |
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| WD01 | Invention patent application deemed withdrawn after publication |