CN2831607Y - Driving controller for brushless dynamo - Google Patents

Driving controller for brushless dynamo Download PDF

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Publication number
CN2831607Y
CN2831607Y CNU2005200648171U CN200520064817U CN2831607Y CN 2831607 Y CN2831607 Y CN 2831607Y CN U2005200648171 U CNU2005200648171 U CN U2005200648171U CN 200520064817 U CN200520064817 U CN 200520064817U CN 2831607 Y CN2831607 Y CN 2831607Y
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China
Prior art keywords
voltage
circuit
utmost point
pin
resistance
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Expired - Fee Related
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CNU2005200648171U
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Chinese (zh)
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许文昉
王天仁
刘树贵
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DONGGUAN POWERLOGIC ELECTRONIC Co Ltd
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DONGGUAN POWERLOGIC ELECTRONIC Co Ltd
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Abstract

The utility model relates to a driving controller for a brushless electric motor, which is characterized in that the utility model comprises a filter circuit of full wave rectification, a voltage stabilizing circuit of voltage division, a driving control circuit and a protecting circuit of voltage stabilization. The utility model uses the organic combination of the filter circuit of full wave rectification and the voltage stabilizing circuit of voltage division to simultaneously control electric motor coils and the structure of the driving control circuit, and voltage after the treatment of the filter circuit of full wave rectification is skillfully divided into two parts to respectively control the electric motor coils and the driving control circuit, thus, the motor coils are guaranteed to work in a normal working state and the driving control circuit is also effectively guaranteed to work in a normal condition, thus, the brushless electric motor is guaranteed to work in a safer environment by the organic combination of AC and DC, and high voltage and low voltage. A structural section using a transformer to reduce the voltage is saved, thus, the problems of large product volume, complicated structure and reliability reduction caused by using the transformer are avoided.

Description

A kind of brushless electric machine driving control device
Technical field
The utility model relates to a kind of fan, particularly a kind of fan brushless electric machine driving control device.
Background technology
Existing fan generally is will import earlier to carry out coil and its Drive and Control Circuit work that inborn ability behind the rectifying and wave-filtering is supplied with motor indescribably after the step-down of power utilization transformer again with the driving of brushless electric machine, so just obviously increased this a part of cost of step-down, and because the weight of transformer itself and factor and the requirement of work and the problems such as heating in the use of volume cause the reliability and stability that also strengthened the complexity of its structure and reduced machine operation when increasing transformer.The overcurrent protection mode of existing brushless electric machine is to adopt to work on regard to circuital current is maintained below the current limit value when operating current reaches the limit value of setting simultaneously; do not disconnect owing to circuit this moment; the coil of motor just coil heating occurs even burns because of long-term work under the high load capacity situation phenomenon occurs easily always all in work.
Summary of the invention
The purpose of this utility model is the existence at the problems referred to above, and a kind of alternating current-direct current simple and reliable for structure, with low cost, the brushless electric machine driving control device of high-low pressure combination are provided.
On this basis, further purpose of the present utility model provide a kind of current-limiting protection more scientific and reasonable, can guarantee effectively that coil working is reliable and stable, the brushless electric machine driving control device of long service life.
The purpose of this utility model is achieved through the following technical solutions: a kind of brushless electric machine driving control device is characterized in comprising:
One full-wave rectifying circuit;
One dividing potential drop voltage stabilizing circuit;
One Drive and Control Circuit;
One protective circuit of voltage regulation;
Wherein, the input of described full-wave rectifier filter circuit is connected with the input power supply, its output respectively with two inductance L of the input and the motor of dividing potential drop voltage stabilizing circuit 1, L 2One end connects, and the output of dividing potential drop voltage stabilizing circuit is connected with the input of Drive and Control Circuit and for Drive and Control Circuit provides a stable operating voltage, the output of Drive and Control Circuit respectively with two inductance L of inductance 1, L 2The other end connect, protective circuit of voltage regulation is connected between the output and ground of full-wave rectifier filter circuit.
Above-mentioned full-wave rectifier filter circuit comprise be connected in parallel by four diode D 1, D 2, D 3, D 4Form bridge rectifier that bridge-type connects and by capacitor C 1The capacitor filter of forming, wherein diode D 1, D 2, D 3, D 4Adopt 1N4001 or 1N4005 or 1N4007 or other rectifier diode respectively.Above-mentioned dividing potential drop voltage stabilizing circuit comprises resistance R 1, R 2With voltage-stabiliser tube Z 1, voltage-stabiliser tube Z wherein 1Adopt BZX85C18 or BZX85C15 or 1N5931B or other voltage stabilizing didoe, resistance R 1, R 2Be connected in series between full-wave rectifier filter circuit output and the ground voltage-stabiliser tube Z 1Be series at resistance R 1, R 2Interface point and ground between.Above-mentioned Drive and Control Circuit comprises integrated package U 1, U 2, CMOS manages TN 1, TN 2, resistance R 3, R 4, R 7, R 8, R 9, R 10, capacitor C 2, C 3, integrated package U wherein 1Adopt Hall integrated circuit (Sensor Hall), the U of HW104A or SH12A or HW101 or other magnetic circuit 2Adopt BA6406 or PT308F-B or AP1307 or other drive integrated circult (Drive IC), TN 1, TN 2Adopt 2SK2996 or RDX120N60 or RDX100N60 or other fet power pipe (Power MOSFET) respectively, resistance R 3One end is connected with the output of dividing potential drop voltage stabilizing circuit, its other end and integrated package U 1The 1st pin (IN+ pin) connect and be integrated package U 1Provide operating voltage, resistance R 4Be serially connected with integrated package U 1The 3rd pin (IN-pin) and ground between, integrated package U 1The 2nd pin, the 4th pin respectively with integrated package U 2Two input pin HS (-) pin and HS (+) pin connect integrated package U 2The Vcc pin be connected its CT pin serial connection capacitor C with the output of dividing potential drop voltage stabilizing circuit 2Back ground connection, the direct ground connection of its GND pin, its first output pin series resistor R 8Back and CMOS pipe TN 1The G utmost point connect and CMOS pipe TN 1The G utmost point and ground between be in series with the resistance R that is connected in parallel 9And capacitor C 4, CMOS manages TN 1The D utmost point and the inductance L of motor 1The other end connect its S utmost point ground connection, integrated package U 2The 2nd output pin series resistor R 7Back and CMOS pipe TN 2The G utmost point connect and CMOS pipe TN 2The G utmost point and ground between be in series with the resistance R that is connected in parallel 10And capacitor C 3, CMOS manages TN 2The D utmost point and the inductance L of motor 2The other end connect its S utmost point ground connection.Above-mentioned protective circuit of voltage regulation is by the voltage-stabiliser tube Z that is serially connected with between full-wave rectifier filter circuit output and the ground 2Form, wherein voltage-stabiliser tube Z 2Adopt 1N5955B or 1N5956B or other voltage stabilizing didoe.
For reaching further purpose of the present utility model, guarantee that effectively motor coil is operated in the safe and reliable working range, the utility model includes a current foldback circuit, and this current foldback circuit comprises diode D 5, D 6, triode Q 1, resistance R 11, R 12, R A, capacitor C 5, diode D wherein 5, D 6Adopt 1N4148 or 1N4448 or RLS4148 or other voltage stabilizing didoe respectively, triode Q 1Adopt UMT2222A or SST2222A or MMST2222A or other triode, diode D 5Be series at integrated package U 2The 1st output pin and triode Q 1Collector electrode between, diode D 6Be series at integrated package U 2The 2nd output pin and triode Q 1Collector electrode between, triode Q 1Grounded emitter, triode Q 1Base series resistor R 11After respectively with CMOS pipe TN 1, TN 2The S utmost point connect resistance R 12With capacitor C 5Be connected in series in triode Q after the parallel connection 1Base stage and ground between, resistance R ABe series at CMOS pipe TN 1, TN 2The S utmost point and ground between.
At this moment, for the voltage that further guarantees the motor coil two ends in a safe and reliable scope, the above-mentioned overvoltage crowbar that also includes, this overvoltage crowbar comprise CMOS pipe TN 3, triode Q 2, voltage-stabiliser tube Z 3, resistance R 13, R 14, R 15, wherein CMOS manages TN 3Adopt 2SK2996 or RDX120N60 or RDX100N60 or other fet power pipe (Power MOSFET), triode Q 2Adopt UMT2222A or SST2222A or MMST2222A or other triode, voltage-stabiliser tube Z 3Adopt 1N5955B or 1N5956B or other voltage stabilizing didoe, CMOS manages TN 3The D utmost point and the S utmost point output that is series at full-wave rectifier filter circuit and two coil L of motor 1, L 2Between one end, its G utmost point series resistance R 15Back and triode Q 2Collector electrode connect resistance R 13Be connected in parallel in CMOS pipe TN 3The D utmost point and the G utmost point between, triode Q 2Grounded emitter, its base stage series connection voltage-stabiliser tube Z 3And resistance R 14Back and CMOS pipe TN 3The S utmost point connect.
The utility model is because employing is organically combined the structure of taking into account control motor coil and Drive and Control Circuit thereof by full-wave rectifier filter circuit and dividing potential drop voltage stabilizing circuit, divide two parts to control motor coil and its Drive and Control Circuit respectively the voltage after full-wave rectifier filter circuit is handled dexterously, both guaranteed that motor coil worked under a normal operating state, guaranteed effectively that again Drive and Control Circuit also is operated under the normal condition, thereby reaching an alternating current-direct current high-low pressure organically combines and guarantees that brushless electric machine is operated in a more safe and reliable environment, and, both avoided using the small product size that transformer caused huge owing to omitted and utilize transformer to come this structure link of step-down, complex structure, the problem that reliability reduces.The utility model is because employing organically combines the structure of forming a switching mode current-limiting protection by two diodes and a triode simultaneously; when circuital current surpasses the limit value of setting; utilize the switching characteristic of triode that motor coil is quit work dexterously; thereby motor coil fatigue, the heating of having avoided motor coil ceaselessly to work and caused; even the phenomenon of burning; thereby both further increase the security reliability of its work, effectively prolong the useful life of product again.
Describe basic structure of the present utility model and operation principle in detail below in conjunction with accompanying drawing:
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of further embodiment of the present utility model;
Fig. 3 is the structural representation of the utility model one preferred embodiment.
Embodiment
As shown in Figure 1, a kind of brushless electric machine driving control device described in the utility model is characterized in comprising:
One full-wave rectifying circuit;
One dividing potential drop voltage stabilizing circuit;
One Drive and Control Circuit;
One protective circuit of voltage regulation;
Wherein, the input of described full-wave rectifier filter circuit is connected with the input power supply, its output respectively with two inductance L of the input and the motor of dividing potential drop voltage stabilizing circuit 1, L 2One end connects, and the output of dividing potential drop voltage stabilizing circuit is connected with the input of Drive and Control Circuit and for Drive and Control Circuit provides a stable operating voltage, the output of Drive and Control Circuit respectively with two inductance L of inductance 1, L 2The other end connect, protective circuit of voltage regulation is connected between the output and ground of full-wave rectifier filter circuit.
Wherein, above-mentioned full-wave rectifier filter circuit comprise be connected in parallel by four diode D 1, D 2, D 3, D 4Form bridge rectifier that bridge-type connects and by capacitor C 1The capacitor filter of forming, wherein diode D 1, D 2, D 3, D 4Adopt 1N4001 or 1N4005 or 1N4007 or other rectifier diode respectively.Above-mentioned dividing potential drop voltage stabilizing circuit comprises resistance R 1, R 2With voltage-stabiliser tube Z 1, voltage-stabiliser tube Z wherein 1Adopt BZX85C18 or BZX85C15 or 1N5931B or other voltage stabilizing didoe, resistance R 1, R 2Be connected in series between full-wave rectifier filter circuit output and the ground voltage-stabiliser tube Z 1Be series at resistance R 1, R 2Interface point and ground between.Above-mentioned Drive and Control Circuit comprises integrated package U 1, U 2, CMOS manages TN 1, TN 2, resistance R 3, R 4, R 7, R 8, R 9, R 10, capacitor C 2, C 3, integrated package U wherein 1Adopt Hall integrated circuit (Sensor Hall), the U of HW104A or SH12A or HW101 or other magnetic circuit 2Adopt BA6406 or PT308F-B or AP1307 or other drive integrated circult (Drive IC), TN 1, TN 2Adopt 2SK2996 or RDX120N60 or RDX100N60 or other fet power pipe (PowerMOSFET) respectively, resistance R 3One end is connected with the output of dividing potential drop voltage stabilizing circuit, its other end and integrated package U 1The 1st pin (IN+ pin) connect and be integrated package U 1Provide operating voltage, resistance R 4Be serially connected with integrated package U 1The 3rd pin (IN-pin) and ground between, integrated package U 1The 2nd pin, the 4th pin respectively with integrated package U 2Two input pin HS (-) pin and HS (+) pin connect integrated package U 2The Vcc pin be connected its CT pin serial connection capacitor C with the output of dividing potential drop voltage stabilizing circuit 2Back ground connection, the direct ground connection of its GND pin, its first output pin series resistor R 8Back and CMOS pipe TN 1The G utmost point connect and CMOS pipe TN 1The G utmost point and ground between be in series with the resistance R that is connected in parallel 9And capacitor C 4, CMOS manages TN 1The D utmost point and the inductance L of motor 1The other end connect its S utmost point ground connection, integrated package U 2The 2nd output pin series resistor R 7Back and CMOS pipe TN 2The G utmost point connect and CMOS pipe TN 2The G utmost point and ground between be in series with the resistance R that is connected in parallel 10And capacitor C 3, CMOS manages TN 2The D utmost point and the inductance L of motor 2The other end connect its S utmost point ground connection.Above-mentioned protective circuit of voltage regulation is by the voltage-stabiliser tube Z that is serially connected with between full-wave rectifier filter circuit output and the ground 2Form, wherein voltage-stabiliser tube Z 2Adopt 1N5955B or 1N5956B or other voltage stabilizing didoe.For reaching further purpose of the present utility model, guarantee that effectively motor coil is operated in the safe and reliable working range, as shown in Figure 2, the utility model also includes a current foldback circuit, and this current foldback circuit comprises diode D 5, D 6, triode Q 1, resistance R 11, R 12, R A, capacitor C 5, diode D wherein 5, D 6Adopt 1N4148 or 1N4448 or RLS4148 or other voltage stabilizing didoe respectively, triode Q 1Adopt UMT2222A or SST2222A or MMST2222A or other triode, diode D 5Be series at integrated package U 2The 1st output pin and triode Q 1Collector electrode between, diode D 6Be series at integrated package U 2The 2nd output pin and triode Q 1Collector electrode between, triode Q 1Grounded emitter, triode Q 1Base series resistor R 11After respectively with CMOS pipe TN 1, TN 2The S utmost point connect resistance R 12With capacitor C 5Be connected in series in triode Q after the parallel connection 1Base stage and ground between, resistance R ABe series at CMOS pipe TN 1, TN 2The S utmost point and ground between.At this moment, for the voltage that further guarantees the motor coil two ends in a safe and reliable scope, as shown in Figure 3, the utility model also includes an overvoltage crowbar, this overvoltage crowbar comprises CMOS pipe TN 3, triode Q 2, voltage-stabiliser tube Z 3, resistance R 13, R 14, R 15, wherein CMOS manages TN 3Adopt 2SK2996 or RDX120N60 or RDX100N60 or other fet power pipe (Power MOSFET), triode Q 2Adopt UMT2222A or SST2222A or MMST2222A or other triode, voltage-stabiliser tube Z 3Adopt 1N5955B or 1N5956B or other voltage stabilizing didoe, CMOS manages TN 3The D utmost point and the S utmost point output that is series at full-wave rectifier filter circuit and two coil L of motor 1, L 2Between one end, its G utmost point series resistance R 15Back and triode Q 2Collector electrode connect resistance R 13Be connected in parallel in CMOS pipe TN 3The D utmost point and the G utmost point between, triode Q 2Grounded emitter, its base stage series connection voltage-stabiliser tube Z 3And resistance R 14Back and CMOS pipe TN 3The S utmost point connect.
Operation principle of the present utility model is:
As shown in Figure 1, the AC power supplies input is through D 1, D 2, D 3, D 4Carry out full-bridge rectification and C 1Filtering obtains DC power supply, and resulting direct voltage directly offers L 1, L 2, Z 2Be pressure stabilization function, to provide a constant voltage to L 1, L 2Work can be protected TN in addition 1, TN 2, avoid being added to TN 1, TN 2The S and the voltage of the D utmost point surpass TN 1, TN 2The withstand voltage of permission, thereby protection TN 1And TN 2
R 1, R 2, Z 1Form a step-down and voltage stabilizing circuit, R 1With R 2Parallel connection constitutes a bleeder circuit, works as R 2Resulting voltage is less than voltage-stabiliser tube Z 1The voltage stabilizing value time, export to the voltage V of control section this moment 0Equal R 2Divide the voltage that obtains, work as R 2Resulting voltage is greater than voltage-stabiliser tube Z 1The voltage stabilizing value time, this moment according to the characteristic of voltage-stabiliser tube as can be known, voltage-stabiliser tube Z 1Play voltage stabilizing this moment, to guarantee V 0Voltage be no more than the setting output voltage range.
U 1Be the Hall IC of a magnetic circuit, work as U 1The N, the S utmost point (or S, the N utmost point) that sense magnetic field be when switching, U 1The 2nd pin output high level (or low level), the 4th pin output low level (or high level), U 1The 2nd pin when being output as high level, the 4th pin is output low level then, both are mutual, can not occur high level or low level simultaneously, the signal of output is through U 2After comparing and amplifying, again signal is outputed to output1 and output2, U 2Effect herein mainly is the effect as a predrive, if during output1 output high level, and output2 output low level then, both are that the signal of the .output1 output that takes turns to operate is through R 8Back input TN 1The G utmost point, if the signal of output1 output is a high level.
The time TN 1Open drive coil L 1Work, this moment, the signal of output2 output was a low level, TN 2Switch, coil L 2Quit work L when output2 is high level if output1 is output as low level 1Do not work L 2Work, the so work of circulation.
As shown in Figure 2, R A, R 11, R 12, C 5, Q 1, D 5, D 6Constitute a current-limiting protection circuit, work as R ADetect when setting current value, pass through R 11Arrive Q 1Base stage make triode Q 1Open, like this, U 1The current potential of two outputs pass through D 5, D 6Make the current potential of output be reduced to zero, then TN 1, TN 2The current potential that obtains of the G utmost point be zero, TN 1, TN 2Close L 1, L 2Quit work, thereby reach the current-limiting protection function, reduce L 1, L 2Temperature.
As shown in Figure 3, R 13, R 14, Z 3, Q 1, R 15, TN 3Form an overvoltage crowbar, when voltage surpasses Z 3The voltage stabilizing value time, by the reverse breakdown characteristics of voltage stabilizing didoe as can be known, can arrive Q by voltage stabilizing didoe by an electric current 2Base stage make triode Q 2Open, at this moment, TN 3The extremely resulting current potential of G be zero, TN 3Close, thereby realize overvoltage protection, when voltage recovers just often Z 3The no current process, Q 3Open and close TN 3Be in the state of unlatching, but the circuit operate as normal.

Claims (7)

1, a kind of brushless electric machine driving control device is characterized in that comprising:
One full-wave rectifying circuit;
One dividing potential drop voltage stabilizing circuit;
One Drive and Control Circuit;
One protective circuit of voltage regulation;
Wherein, the input of described full-wave rectifier filter circuit is connected with the input power supply, its output respectively with two inductance L of the input and the motor of dividing potential drop voltage stabilizing circuit 1, L 2One end connects, and the output of dividing potential drop voltage stabilizing circuit is connected with the input of Drive and Control Circuit and for Drive and Control Circuit provides a stable operating voltage, the output of Drive and Control Circuit respectively with two inductance L of inductance 1, L 2The other end connect, protective circuit of voltage regulation is connected between the output and ground of full-wave rectifier filter circuit.
2, brushless electric machine driving control device according to claim 1, it is characterized in that above-mentioned full-wave rectifier filter circuit comprise be connected in parallel by four diode D 1, D 2, D 3, D 4Form bridge rectifier that bridge-type connects and by capacitor C 1The capacitor filter of forming, wherein diode D 1, D 2, D 3, D 4Adopt 1N4001 or 1N4005 or 1N4007 or other rectifier diode respectively.
3, brushless electric machine driving control device according to claim 1 is characterized in that above-mentioned dividing potential drop voltage stabilizing circuit comprises resistance R 1, R 2With voltage-stabiliser tube Z 1, voltage-stabiliser tube Z wherein 1Adopt BZX85C18 or BZX85C15 or 1N5931B or other voltage stabilizing didoe, resistance R 1, R 2Be connected in series between full-wave rectifier filter circuit output and the ground voltage-stabiliser tube Z 1Be series at resistance R 1, R 2Interface point and ground between.
4, brushless electric machine driving control device according to claim 1 is characterized in that above-mentioned Drive and Control Circuit comprises integrated package U 1, U 2, CMOS manages TN 1, TN 2, resistance R 3, R 4, R 7, R 8, R 9, R 10, capacitor C 2, C 3, integrated package U wherein 1Adopt Hall integrated circuit (Sensor Hall), the U of HW104A or SH12A or HW101 or other magnetic circuit 2Adopt BA6406 or PT308F-B or AP1307 or other drive integrated circult (Drive IC), TN 1, TN 2Adopt 2SK2996 or RDX120N60 or RDX100N60 or other fet power pipe (Power MOSFET) respectively, resistance R 3One end is connected with the output of dividing potential drop voltage stabilizing circuit, its other end and integrated package U 1The 1st pin (IN+ pin) connect and be integrated package U 1Provide operating voltage, resistance R 4Be serially connected with integrated package U 1The 3rd pin (IN-pin) and ground between, integrated package U 1The 2nd pin, the 4th pin respectively with integrated package U 2Two input pin HS (-) pin and HS (+) pin connect integrated package U 2The Vcc pin be connected its CT pin serial connection capacitor C with the output of dividing potential drop voltage stabilizing circuit 2Back ground connection, the direct ground connection of its GND pin, its first output pin series resistor R 8Back and CMOS pipe TN 1The G utmost point connect and CMOS pipe TN 1The G utmost point and ground between be in series with the resistance R that is connected in parallel 9And capacitor C 4, CMOS manages TN 1The D utmost point and the inductance L of motor 1The other end connect its S utmost point ground connection, integrated package U 2The 2nd output pin series resistor R 7Back and CMOS pipe TN 2The G utmost point connect and CMOS pipe TN 2The G utmost point and ground between be in series with the resistance R that is connected in parallel 10And capacitor C 3, CMOS manages TN 2The D utmost point and the inductance L of motor 2The other end connect its S utmost point ground connection.
5, brushless electric machine driving control device according to claim 1 is characterized in that above-mentioned protective circuit of voltage regulation is by the voltage-stabiliser tube Z that is serially connected with between full-wave rectifier filter circuit output and the ground 2Form, wherein voltage-stabiliser tube Z 2Adopt 1N5955B or 1N5956B or other voltage stabilizing didoe.
6, according to claim 1 or 2 or 3 or 4 or 5 described brushless electric machine driving control devices, it is characterized in that also including a current foldback circuit, this current foldback circuit comprises diode D 5, D 6, triode Q 1, resistance R 11, R 12, R A, capacitor C 5, diode D wherein 5, D 6Adopt 1N4148 or 1N4448 or RLS4148 or other voltage stabilizing didoe respectively, triode Q 1Adopt UMT2222A or SST2222A or MMST2222A or other triode, diode D 5Be series at integrated package U 2The 1st output pin and triode Q 1Collector electrode between, diode D 6Be series at integrated package U 2The 2nd output pin and triode Q 1Collector electrode between, triode Q 1Grounded emitter, triode Q 1Base series resistor R 11After respectively with CMOS pipe TN 1, TN 2The S utmost point connect resistance R 12With capacitor C 5Be connected in series in triode Q after the parallel connection 1Base stage and ground between, resistance R ABe series at CMOS pipe TN 1, TN 2The S utmost point and ground between.
7, according to claim 1 or 2 or 3 or 4 or 5 described brushless electric machine driving control devices, it is characterized in that the above-mentioned overvoltage crowbar that also includes, this overvoltage crowbar comprises CMOS pipe TN 3, triode Q 2, voltage-stabiliser tube Z 3, resistance R 13, R 14, R 15, wherein CMOS manages TN 3Adopt 2SK2996 or RDX120N60 or RDX100N60 or other fet power pipe (Power MOSFET), triode Q 2Adopt UMT2222A or SST2222A or MMST2222A or other triode, voltage-stabiliser tube Z 3Adopt 1N5955B or 1N5956B or other voltage stabilizing didoe, CMOS manages TN 3The D utmost point and the S utmost point output that is series at full-wave rectifier filter circuit and two coil L of motor 1, L 2Between one end, its G utmost point series resistance R 15Back and triode Q 2Collector electrode connect resistance R 13Be connected in parallel in CMOS pipe TN 3The D utmost point and the G utmost point between, triode Q 2Grounded emitter, its base stage series connection voltage-stabiliser tube Z 3And resistance R 14Back and CMOS pipe TN 3The S utmost point connect.
CNU2005200648171U 2005-09-22 2005-09-22 Driving controller for brushless dynamo Expired - Fee Related CN2831607Y (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101316089B (en) * 2007-05-29 2010-11-17 建准电机工业股份有限公司 Driving circuit of DC brushless motor
CN103199496A (en) * 2013-04-18 2013-07-10 中国扬子集团滁州扬子空调器有限公司 Motor speed regulating voltage Vsp cut-off circuit of air conditioning system of brushless motor
CN103196212A (en) * 2013-04-18 2013-07-10 中国扬子集团滁州扬子空调器有限公司 Indoor motor control circuit of brushless motor air-conditioning system
CN104121215A (en) * 2014-07-15 2014-10-29 大连大学 Intelligent exhaust fan
CN104377655A (en) * 2014-11-29 2015-02-25 济南职业学院 Field loss protection relay of direct-current motor
CN104753413A (en) * 2013-12-31 2015-07-01 海洋王（东莞）照明科技有限公司 Control circuit
CN105703671A (en) * 2016-01-19 2016-06-22 亚翌斯风电机(上海)有限公司 DC brushless fan motor driving circuit of double low-noise operational amplifier
CN112072615A (en) * 2020-09-11 2020-12-11 天津英创汇智汽车技术有限公司 Topological structure of motor high-side power supply control circuit and fault positioning method thereof

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101316089B (en) * 2007-05-29 2010-11-17 建准电机工业股份有限公司 Driving circuit of DC brushless motor
CN103199496A (en) * 2013-04-18 2013-07-10 中国扬子集团滁州扬子空调器有限公司 Motor speed regulating voltage Vsp cut-off circuit of air conditioning system of brushless motor
CN103196212A (en) * 2013-04-18 2013-07-10 中国扬子集团滁州扬子空调器有限公司 Indoor motor control circuit of brushless motor air-conditioning system
CN103196212B (en) * 2013-04-18 2015-09-09 中国扬子集团滁州扬子空调器有限公司 Brushless electric machine air-conditioning system indoor motor control circuit
CN104753413A (en) * 2013-12-31 2015-07-01 海洋王（东莞）照明科技有限公司 Control circuit
CN104121215A (en) * 2014-07-15 2014-10-29 大连大学 Intelligent exhaust fan
CN104377655A (en) * 2014-11-29 2015-02-25 济南职业学院 Field loss protection relay of direct-current motor
CN105703671A (en) * 2016-01-19 2016-06-22 亚翌斯风电机(上海)有限公司 DC brushless fan motor driving circuit of double low-noise operational amplifier
CN112072615A (en) * 2020-09-11 2020-12-11 天津英创汇智汽车技术有限公司 Topological structure of motor high-side power supply control circuit and fault positioning method thereof
CN112072615B (en) * 2020-09-11 2022-11-04 天津英创汇智汽车技术有限公司 Topological structure of motor high-side power supply control circuit and fault positioning method thereof

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