CN205356206U - High -power DC Brushless motor's control system - Google Patents
High -power DC Brushless motor's control system Download PDFInfo
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- CN205356206U CN205356206U CN201620119288.9U CN201620119288U CN205356206U CN 205356206 U CN205356206 U CN 205356206U CN 201620119288 U CN201620119288 U CN 201620119288U CN 205356206 U CN205356206 U CN 205356206U
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Abstract
The utility model discloses a high -power DC Brushless motor's control system, including EMC circuit, PTC and NTC circuit, bridge type rectifier circuit, filtering tank, current foldback circuit, step -down protection circuit, motor -drive circuit, IGB drive circuit, optoelectronic isolation circuit, signal commutation circuit and main control unit control circuit. The utility model provides a pair of four kinds of voltage swing + 310DC of high -power DC Brushless motor's control system output, 15VDC, 12VDC and + 5VDC, the voltage output ripple is little, in order to guarantee the utility model provides a pair of high -power DC Brushless motor's control system normally works, and the reliability is high, and system load can the reinforce, operation low power dissipation, production be low -cost.
Description
Technical field
This utility model relates to a kind of electric machine control system, the in particular control system of a kind of high power DC brushless electric machine.
Background technology
Society, problem of environmental pollution and energy shortage problem highlight day by day, and energy-conserving and environment-protective problem is increasingly paid attention to.DC brushless motor can well solve these problems, as at vehicle electric field, the appearance of electric automobile largely alleviates the problems such as petroleum resources crisis and environmental pollution.In household appliance technical field, replace traditional alternating current generator with DC brushless motor, define a kind of new frequency changer---DC frequency-changing.Compared to traditional AC frequency conversion, DC frequency-changing not only power consumption reduces, realizes mute, and utilizes high speed operation of motor, can realize significantly quick freezing；DC frequency-changing washing machine is except energy-conservation and quiet, moreover it is possible to guarantee that new control content released by medicated clothing in soft washing etc..High power DC brushless electric machine is becoming widely adopted in all trades and professions, therefore urgently researches and develops the control system of a kind of high power DC brushless electric machine.
Utility model content
The purpose of this utility model is in that to overcome the deficiencies in the prior art, it is provided that the control system of a kind of high power DC brushless electric machine, and load capacity is strong, it is low in energy consumption to run, produce low cost.
This utility model is achieved through the following technical solutions: the control system of a kind of high power DC brushless electric machine, including EMC circuit, PTC and NTC circuit, bridge rectifier, filtering accumulator, current foldback circuit, reducing protective circuit, motor-drive circuit, IGB drive circuit, photoelectric isolating circuit, signal commutation circuit and main controller controls circuit.
The signal output part of EMC circuit is electrically connected by the signal input part of PTC and NTC circuit with bridge rectifier；The signal output part of bridge rectifier is electrically connected by the signal input part of current foldback circuit with main controller controls circuit, and the signal output part of bridge rectifier is electrically connected with filtering accumulator；
Filtering accumulator is electrically connected with main controller controls circuit by reducing protective circuit, and filtering accumulator is electrically connected with IGBT drive circuit by reducing protective circuit；
The signal output part of described main controller controls circuit is electrically connected by the signal input part of optical coupling isolation circuit with IGBT drive circuit, and the signal output part of IGBT drive circuit is electrically connected with motor by motor-drive circuit.
As the further optimization of such scheme, described main controller controls circuit includes DSPIC30F4011 chip and peripheral control circuits thereof.
As the further optimization of such scheme, described motor is SK50GD066ET motor.
As the further optimization of such scheme, described IGBT drive circuit includes driving chip U4, U6 and U7, electric capacity C30, C35, C38, C27, C32 and C37, diode D5, D6 and D7, resistance R35, R37, R45, R48, R58, R59.
Further optimization as such scheme, described main controller controls circuit includes DSPIC30F4011 chip, resistance R49, R50, R51, R52, R53 and R54, described SPIC30F4011 chip pwm signal outfan PWM1L, PWM1H, PWM2L, PWM2H, PWM3L and PWM3H correspondence respectively electrically connects with resistance R49, R50, R51, R52, R53 and R54.
As the further optimization of such scheme, described motor-drive circuit includes audion Q2, Q3, Q4, Q5, Q6 and Q7, electric capacity C24 and C25, resistance R22, R23, R24 and R26, and described audion Q2, Q3, Q4, Q5, Q6 and Q7 are GT50J322.
This utility model compared to existing technology, the having the beneficial effect that of control system of a kind of high power DC brushless electric machine that this utility model provides:
1, the control system of a kind of high power DC brushless electric machine that this utility model provides, system load ability is strong, it is low in energy consumption to run, produce low cost.
2, the control system of a kind of high power DC brushless electric machine that this utility model provides, change four kinds of voltage swing :+310DC of output ,+15VDC ,+12VDC and+5VDC, voltage output ripple is little, to ensure the control system worked well of a kind of high power DC brushless electric machine that this utility model provides, reliability is high.
Accompanying drawing explanation
Fig. 1 is the circuit structure block diagram of the control system of a kind of high power DC brushless electric machine of the present utility model.
Fig. 2 is the circuit theory diagrams of the main controller controls circuit of the control system of a kind of high power DC brushless electric machine of the present utility model.
Fig. 3-1 to Fig. 3-3 is the circuit theory diagrams of the IGBT drive circuit of the control system of a kind of high power DC brushless electric machine of the present utility model.
Fig. 4 is the circuit theory diagrams of the motor-drive circuit of the control system of a kind of high power DC brushless electric machine of the present utility model.
Detailed description of the invention
Below embodiment of the present utility model being elaborated, the present embodiment is carried out under premised on technical solutions of the utility model, gives detailed embodiment and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
Circuit structure block diagram referring to the control system that Fig. 1, Fig. 1 are a kind of high power DC brushless electric machine of the present utility model.The control system of a kind of high power DC brushless electric machine, changes a circuit and main controller controls circuit including EMC circuit, PTC and NTC circuit, bridge rectifier, filtering accumulator, current foldback circuit, reducing protective circuit, motor-drive circuit, IGBT drive circuit, optical coupling isolation circuit, signal.
Wherein, the signal output part of EMC circuit is electrically connected by the signal input part of PTC and NTC circuit with bridge rectifier；The signal output part of bridge rectifier is electrically connected by the signal input part of current foldback circuit with main controller controls circuit, and the signal output part of bridge rectifier is electrically connected with filtering accumulator.
Filtering accumulator is electrically connected with main controller controls circuit by reducing protective circuit, and filtering accumulator is electrically connected with IGBT drive circuit by reducing protective circuit；The signal output part of main controller controls circuit is electrically connected by the signal input part of optical coupling isolation circuit with IGBT drive circuit, the signal output part of IGBT drive circuit is electrically connected with motor by motor-drive circuit, and the signal output apparatus of motor changes a circuit through signal and electrically connects with the signal input part of main controller controls circuit.
220VAC power supply is formed 310VDC power supply through the EMC circuit of control system of a kind of high power DC brushless electric machine of the present utility model, PTC and NTC circuit and bridge rectifier and powers to motor by civil power, and EMC circuit is used for protecting civil power input quality.In filtering accumulator, the 310VDC power supply of output exports+15V ,+12V ,+5V three road burning voltage through reducing protective circuit; wherein; reducing protective circuit output+15V powers to IGBT drive circuit; reducing protective circuit output+12V powers to relay, and reducing protective circuit output+5V powers to main controller controls circuit.
Optimizing, the main controller controls circuit of the control system of a kind of high power DC brushless electric machine of the present utility model includes DSPIC30F4011 chip and peripheral control circuits thereof.Circuit theory diagrams referring to the main controller controls circuit of the control system that Fig. 2, Fig. 2 are a kind of high power DC brushless electric machine of the present utility model.Main controller controls circuit includes DSPIC30F4011 chip, resistance R49, R50, R51, R52, R53 and R54, SPIC30F4011 chip pwm signal outfan PWM1L, PWM1H, PWM2L, PWM2H, PWM3L and PWM3H correspondence respectively electrically connects with resistance R49, R50, R51, R52, R53 and R54.SPIC30F4011 chip exports the input electrical connection corresponding to the driving chip of IGBT drive circuit of the 6 road pwm signal outfans.
Circuit theory diagrams referring to the IGBT drive circuit of the control system that Fig. 3, Fig. 3-1 to Fig. 3-3 is a kind of high power DC brushless electric machine of the present utility model.IGBT drive circuit is No. 3 drive circuits, electrically connects with three motors respectively.IGBT drive circuit includes driving chip U4, U6 and U7, electric capacity C30, C35, C38, C27, C32 and C37, diode D5, D6 and D7, resistance R35, R37, R45, R48, R58, R59.Wherein, IGBT drive circuit includes the first IGBT drive circuit, the second IGBT drive circuit and the 3rd IGBT drive circuit.First IGBT drive circuit includes driving chip U4; driving chip U4 is chip I S2103S; the 15V voltage output end of reducing protective circuit output is electrically connected by the VB interface of diode D5 and chip I S2103S, and the 15V voltage output end of reducing protective circuit output is electrically connected by the VS interface of diode D5, electric capacity C27 and chip I S2103S.Pwm signal outfan PWM1L, PWM1H of the DSPIC30F4011 chip of main controller controls circuit electrically connect with signal input part HIN, LIN of driving chip U4 respectively, and signal output part HO, LO of driving chip U4 electrically connect with the input of motor-drive circuit respectively through resistance R35, R37.
Circuit theory diagrams referring to the motor-drive circuit of the control system that Fig. 4, Fig. 4 are a kind of high power DC brushless electric machine of the present utility model.Motor-drive circuit includes audion Q2, Q3, Q4, Q5, Q6 and Q7, electric capacity C24 and C25, resistance R22, R23, R24 and R26, and described audion Q2, Q3, Q4, Q5, Q6 and Q7 are GT50J322.In this preferred embodiment, SPIC30F4011 chip exports 6 road pwm signals, is delivered to IGBT driving chip IS2103S, IGBT driving chip IS2103S through signal condition rear drive SK50GD066ET motor after optical coupling isolation circuit is isolated.The full-bridge of integrated six the big merit IGBT composition of SK50GD066ET motor internal that this preferred embodiment adopts, and carry overheat protective function.
Additionally, the control system embedded digital filtering of a kind of high power DC brushless electric machine of the present utility model and digital incremental process information.On the one hand for reducing the starting current impact to circuit, increase on the other hand motor startup stage load capacity, when motor speed reaches certain value, motor enters boost phase, considering that working environment is likely to hall signal is produced impact, the three road hall signals collected are carried out digital filtering, system master controller carries DSP engine characteristic, filtering adopts FIR filtering mode, makes motor arrive preset rotation speed with the fastest speed.If the motor of high speed rotating needs conversion operation direction, then motor need to first slow down, and after speed is down to predetermined value, controller stops output pwm signal, makes motor free-running operation, when rotating speed is after 0, and reverse starting, acceleration.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and when without departing substantially from spirit of the present utility model or basic feature, it is possible to realize this utility model in other specific forms.Therefore, no matter from which point, embodiment all should be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims rather than described above, it is intended that all changes in the implication of the equivalency dropping on claim and scope included in this utility model.Any accompanying drawing labelling in claim should be considered as the claim that restriction is involved.
In addition, it is to be understood that, although this specification is been described by according to embodiment, but not each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, description should be made as a whole by those skilled in the art, and the technical scheme in each embodiment through appropriately combined, can also form other embodiments that it will be appreciated by those skilled in the art that.
Claims (5)
1. the control system of a high power DC brushless electric machine; it is characterized in that: include EMC circuit, PTC and NTC circuit, bridge rectifier, filtering accumulator, current foldback circuit, reducing protective circuit, motor-drive circuit, IGB drive circuit, photoelectric isolating circuit, signal commutation circuit and main controller controls circuit
The signal output part of EMC circuit is electrically connected by the signal input part of PTC and NTC circuit with bridge rectifier；The signal output part of bridge rectifier is electrically connected by the signal input part of current foldback circuit with main controller controls circuit, and the signal output part of bridge rectifier is electrically connected with filtering accumulator；
Filtering accumulator is electrically connected with main controller controls circuit by reducing protective circuit, and filtering accumulator is electrically connected with IGBT drive circuit by reducing protective circuit；
The signal output part of described main controller controls circuit is electrically connected by the signal input part of optical coupling isolation circuit with IGBT drive circuit, and the signal output part of IGBT drive circuit is electrically connected with motor by motor-drive circuit.
2. the control system of a kind of high power DC brushless electric machine according to claim 1, it is characterised in that: described motor is SK50GD066ET motor.
3. the control system of a kind of high power DC brushless electric machine according to claim 1, it is characterized in that: described IGBT drive circuit includes driving chip U4, U6 and U7, electric capacity C30, C35, C38, C27, C32 and C37, diode D5, D6 and D7, resistance R35, R37, R45, R48, R58, R59.
4. the control system of a kind of high power DC brushless electric machine according to claim 1, it is characterized in that: described main controller controls circuit includes DSPIC30F4011 chip, resistance R49, R50, R51, R52, R53 and R54, described SPIC30F4011 chip pwm signal outfan PWM1L, PWM1H, PWM2L, PWM2H, PWM3L and PWM3H correspondence respectively electrically connects with resistance R49, R50, R51, R52, R53 and R54.
5. the control system of a kind of high power DC brushless electric machine according to claim 1, it is characterized in that: described motor-drive circuit includes audion Q2, Q3, Q4, Q5, Q6 and Q7, electric capacity C24 and C25, resistance R22, R23, R24 and R26, described audion Q2, Q3, Q4, Q5, Q6 and Q7 are GT50J322.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620119288.9U CN205356206U (en) | 2016-02-05 | 2016-02-05 | High -power DC Brushless motor's control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620119288.9U CN205356206U (en) | 2016-02-05 | 2016-02-05 | High -power DC Brushless motor's control system |
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| CN205356206U true CN205356206U (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620119288.9U Expired - Fee Related CN205356206U (en) | 2016-02-05 | 2016-02-05 | High -power DC Brushless motor's control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107947531A (en) * | 2017-11-22 | 2018-04-20 | 深圳市库马克新技术股份有限公司 | A kind of Medical power control circuit for meeting EMC and safety standard |
| WO2021083379A1 (en) * | 2019-10-31 | 2021-05-06 | 苏州宝时得电动工具有限公司 | Control apparatus, electric tool main body and tool system |
-
2016
- 2016-02-05 CN CN201620119288.9U patent/CN205356206U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107947531A (en) * | 2017-11-22 | 2018-04-20 | 深圳市库马克新技术股份有限公司 | A kind of Medical power control circuit for meeting EMC and safety standard |
| WO2021083379A1 (en) * | 2019-10-31 | 2021-05-06 | 苏州宝时得电动工具有限公司 | Control apparatus, electric tool main body and tool system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160629 Termination date: 20190205 |