CN108757539A - Cooling fan controller based on induction less brush-less motor and engine-cooling system - Google Patents

Cooling fan controller based on induction less brush-less motor and engine-cooling system Download PDF

Info

Publication number
CN108757539A
CN108757539A CN201810790210.3A CN201810790210A CN108757539A CN 108757539 A CN108757539 A CN 108757539A CN 201810790210 A CN201810790210 A CN 201810790210A CN 108757539 A CN108757539 A CN 108757539A
Authority
CN
China
Prior art keywords
cooling fan
microprocessor
pwm
module
fan controller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810790210.3A
Other languages
Chinese (zh)
Inventor
丁超
庄明
沈其阳
顾海波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Longcheng Denim (changzhou) Co Ltd
Original Assignee
Longcheng Denim (changzhou) Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Longcheng Denim (changzhou) Co Ltd filed Critical Longcheng Denim (changzhou) Co Ltd
Priority to CN201810790210.3A priority Critical patent/CN108757539A/en
Publication of CN108757539A publication Critical patent/CN108757539A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P5/00Pumping cooling-air or liquid coolants
    • F01P5/02Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Inverter Devices (AREA)

Abstract

The present invention relates to a kind of cooling fan controller and engine-cooling systems, wherein cooling fan controller, including:PWM receiving modules, microprocessor and power tube drive module;PWM receiving modules, microprocessor and power tube drive module are electrically connected successively, and are integrated on one piece of circuit board;PWM receiving modules are suitable for receiving the PWM speed-regulating signals that engine is sent and are sent to microprocessor;Microprocessor is suitable for controlling the work of induction less brush-less motor by power tube drive module according to the pwm signal received, to drive cooling fan to cool down engine.Engine is cooled down by using induction less brush-less motor, control device is set to reduce the circuit of sensor, PWM receiving modules, microprocessor and power tube drive module are integrated on same circuit board simultaneously, the arrangement of circuit is reduced, saves the space of printed circuit board.

Description

Cooling fan controller based on induction less brush-less motor and engine-cooling system
Technical field
The present invention relates to engine cool fields, in particular to a kind of cooling fan controller and engine Cooling system.
Background technology
The shortcomings that traditional brush motor cooling fan is that power is small at present, needs installation 2 on the larger vehicle of horsepower Platform cooling fan increases the cost of manufacture, while having the service life of brush cooling fan shorter.Thoughts brushless motor cooling fan The disadvantage is that needing to install 3 Hall sensors, cost is on the one hand increased, electric machine structure and controller knot are on the other hand increased The complexity of structure, while the difficulty of manufacturing process also accordingly increases.Existing technology cooling fan drive system there is also Using the scheme that element is discrete, microprocessor and power tube drive circuit are separated, or build other circuits, is increased very much Interface causes the unstability of circuit.
How to solve the above problems, is urgently to be resolved hurrily at present.
Invention content
The object of the present invention is to provide a kind of cooling fan controller and engine-cooling systems, pass through control to realize Induction less brush-less motor processed cools down, to simplified control circuit.
To achieve the goals above, technical solution used in the embodiment of the present invention is as follows:
An embodiment of the present invention provides a kind of cooling fan controllers, including:PWM receiving modules, microprocessor and Power tube drive module;
The PWM receiving modules, the microprocessor and the power tube drive module are electrically connected successively;
The PWM receiving modules are suitable for receiving the PWM speed-regulating signals that engine is sent and are sent to the microprocessor;
The microprocessor is suitable for controlling induction less brush-less by the power tube drive module according to the pwm signal received Motor works, to drive cooling fan to cool down engine.
In preferred embodiments of the present invention, the cooling fan controller further includes RC filtering FM modules;
The microprocessor filters FM module by the RC and is electrically connected with the power tube drive module.
In preferred embodiments of the present invention, the cooling fan controller further includes PWM failure feedback modules;
The PWM failures feedback module is electrically connected with the microprocessor module;
The PWM failures feedback module is suitable for receiving fault-signal, and is sent to the microprocessor module;
The microprocessor module, which is further adapted for receiving the fault-signal and passes through the power tube drive module, controls nothing Sense brushless motor is stopped, to stop the operation of cooling fan.
In preferred embodiments of the present invention, the output end of the PWM receiving modules and the PWM failures feedback module The pwm signal that output end is electrically connected at the microprocessor receives pin.
In preferred embodiments of the present invention, the cooling fan controller further includes temperature detecting module;
The temperature detecting module is electrically connected with the microprocessor;
The temperature detecting module includes acquiring the power tube nearby external sensor of environment temperature and acquisition microprocessor The internal sensor of internal temperature.
In preferred embodiments of the present invention, the cooling fan controller further includes power module;
The power module includes vehicle power supply and DC-DC voltage conversion circuits;
The vehicle power supply is electrically connected with the DC-DC voltage conversion circuits;
The DC-DC voltage conversion circuits supply after being suitable for vehicle power supply being depressured to the cooling fan controller Electricity.
In preferred embodiments of the present invention, the power module further includes reverse-connection preventing circuit;
The vehicle power supply is electrically connected by the reverse-connection preventing circuit and the DC-DC voltage conversion circuits.
In preferred embodiments of the present invention, the power module further includes voltage pump rise circuit;
The vehicle power supply is electrically connected by the voltage pump rise circuit and the power tube drive module;
The voltage pump rise circuit, which is suitable for rising to the voltage of the vehicle power supply, can drive the power tube to drive The pulse voltage of the power tube of module.
In preferred embodiments of the present invention, the cooling fan controller further includes electric with the microprocessor respectively Property connection busbar voltage Acquisition Circuit and bus current Acquisition Circuit;
The busbar voltage Acquisition Circuit and the bus current Acquisition Circuit are respectively adapted to acquire the cooling fan The voltage and electric current of control device are simultaneously sent to the microprocessor.
The embodiment of the present invention additionally provides a kind of engine-cooling system, including engine, cooling fan, induction less brush-less electricity Machine and such as above-mentioned cooling fan controller.
Compared with the existing technology, the embodiment of the present invention has the advantages that:
An embodiment of the present invention provides a kind of cooling fan controller and engine-cooling systems, wherein cooling fan Control device, including:PWM receiving modules, microprocessor and power tube drive module;PWM receiving modules, microprocessor and Power tube drive module is electrically connected successively, and is integrated on one piece of circuit board;PWM receiving modules are suitable for receiving engine and send PWM speed-regulating signals and be sent to microprocessor;Microprocessor is suitable for driving mould by power tube according to the pwm signal received Block controls the work of induction less brush-less motor, to drive cooling fan to cool down engine.By using induction less brush-less motor Engine is cooled down, control device is made to reduce the circuit of sensor, at the same by PWM receiving modules, microprocessor and Power tube drive module is integrated on same circuit board, reduces the arrangement of circuit, saves the space of printed circuit board.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 shows the circuit for the cooling fan controller based on induction less brush-less motor that the embodiment of the present invention is provided Functional block diagram.
Fig. 2 shows the circuit diagrams for the DC-DC voltage conversion circuits that the embodiment of the present invention is provided.
Fig. 3 shows the circuit diagram for the voltage pump rise circuit that the embodiment of the present invention is provided.
Fig. 4 shows the circuit diagram for the PWM communication interface circuits that the embodiment of the present invention is provided.
Fig. 5 shows the circuit diagram for the power tube drive circuit that the embodiment of the present invention is provided.
Fig. 6 shows the circuit for the power tube drive circuit and external power pipe connection relation that the embodiment of the present invention is provided Figure.
Fig. 7 is shown in the microprocessor being connect with Lin mouthfuls in the PWM communication interface circuits that the embodiment of the present invention is provided Portion's circuit diagram.
Specific implementation mode
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with Illustration illustrates the basic structure of the present invention, therefore it only shows the composition relevant to the invention.
Embodiment
Referring to Fig. 1, an embodiment of the present invention provides a kind of cooling fan controllers based on induction less brush-less motor.Base Include in the cooling fan controller of induction less brush-less motor:PWM receiving modules, microprocessor and power tube drive module; The PWM receiving modules, the microprocessor and the power tube drive module are electrically connected successively, and are integrated in one block of electricity On the plate of road;The PWM receiving modules are suitable for receiving the PWM speed-regulating signals that engine is sent and are sent to the microprocessor;Institute Microprocessor is stated to be suitable for controlling the work of induction less brush-less motor by the power tube drive module according to the pwm signal received, To drive cooling fan to cool down engine.Engine is cooled down by using induction less brush-less motor, makes control Device reduces the circuit of sensor, while PWM receiving modules, microprocessor and power tube drive module being integrated in same On block circuit board, the arrangement of circuit is reduced, saves the space of printed circuit board.
Wherein, the microprocessor is the processor of grace intelligence Pu semiconductor (NXP) S12ZVM series.Power tube is metal-oxide-semiconductor, Using metal-oxide-semiconductor, the scalability of power circuit can be allowed to enhance, it is only necessary to select the power level of metal-oxide-semiconductor or by same level Metal-oxide-semiconductor carry out it is in parallel, you can drive the motor of higher power.,
Referring to Fig. 5, the power tube drive circuit module that microprocessor internal is included, this module are integrated in microprocessor Portion, traditional induction less brush-less cooling fan control system can add a metal-oxide-semiconductor driving chip again outside microprocessor, this is System is since microprocessor internal carries metal-oxide-semiconductor driving circuit, so without adding again, with external metal-oxide-semiconductor connection relation such as Fig. 6 Shown, in Fig. 6, the main function of circuit is by controlling opening (ON) with shutdown (OFF) and controlling nothing for metal-oxide-semiconductor in three-phase bridge Feeling rotating speed, direction and the position of brshless DC motor, metal-oxide-semiconductor M1, M3, M5 are that the flash of H bridges drives, metal-oxide-semiconductor M2, M4,
M6 is the low side driving of H bridges.HG0 in figure, HG1, HG2 pins are the driving pin of metal-oxide-semiconductor M1, M3, M5 respectively, LG0, LG1, LG2 pin are the driving pin of metal-oxide-semiconductor M2, M4, M6 respectively, HS0, HS1, HS2 pins and flash metal-oxide-semiconductor M1, M3, The drain electrode of the source electrode of M5, low side metal-oxide-semiconductor M2, M4, M6 connects while connecting the capacitance C24, C25, C26 of voltage pump rise circuit as schemed 4.The voltage of three phase back-emfs of induction less brush-less direct current generator can be by HS0, HS1, and HS2 pins are sent in microprocessor The zero-crossing comparator in portion, main function are that controller carries out 6 step commutations according to the zero for crossing counter electromotive force to induction less brush-less motor Induction less brush-less direct current generator is set to be operated according to correct magnetic field.
Wherein, referring to Fig. 4, LIN controllers are integrated among microprocessor with LIN transceivers, outside no longer needs to add Add remaining LIN controllers and LIN transceiver circuits.If control system is from node in LIN communication networks, so in figure Device in dotted line frame is unwanted, and device includes (resistance RML1, resistance RML2, diode DML1), if this node is Host node, then the device in figure in dotted line frame is needed.The effect of capacitance C1 in figure, capacitance C2 mainly play filtering The effect of coupling, device ESD1 main functions are the high-pressure electrostatics for preventing external moment, prevent LIN interfaces breakdown, increase Anti-interference ability in EMC.This LIN interface is also used as the acquisition of PWM duty cycle, the microprocessor internal being connect with LIN mouthfuls Circuit such as Fig. 7:If LIN mouthfuls have signal input, the signal outside the reception of Receiver receivers to be finally transferred to microprocessor Internal PIM module, this module can receive LIN signals or measure the duty ratio and frequency of input PWM.In the present embodiment In, communication mode selection is PWM communications, and CAN communication or Lin communications may be used in other embodiments.
In the present embodiment, the cooling fan controller further includes RC filtering FM modules;The microprocessor is logical The RC filtering FM modules are crossed to be electrically connected with the power tube drive module.
In the present embodiment, the cooling fan controller further includes PWM failure feedback modules;The PWM failures are anti- Module is presented to be electrically connected with the microprocessor module;The PWM failures feedback module is suitable for receiving fault-signal, and is sent to The microprocessor module;The microprocessor module, which is further adapted for receiving the fault-signal and passes through the power tube, drives mould Block control induction less brush-less motor is stopped, to stop the operation of cooling fan.
Wherein, the output end of the PWM receiving modules and the output end of the PWM failures feedback module are electrically connected at The pwm signal of the microprocessor receives pin.To save a pin.
In the present embodiment, the cooling fan controller further includes temperature detecting module;The temperature detecting module It is electrically connected with the microprocessor;The temperature detecting module includes acquiring the external sensor of environment temperature near power tube And the internal sensor of acquisition microprocessor internal temperature.By acquiring in real time near microprocessor internal temperature and power tube Environment temperature, when the temperature of acquisition is more than preset value, control induction less brush-less motor is stopped.
In the present embodiment, the cooling fan controller further includes power module;The power module includes vehicle-mounted Power supply and DC-DC voltage conversion circuits;The vehicle power supply is electrically connected with the DC-DC voltage conversion circuits;The DC- D/C voltage conversion circuit is powered after being suitable for vehicle power supply being depressured to the cooling fan controller.
Wherein, referring to Fig. 2, the BCTL pins of microprocessor connect one end of the base stage and resistance R24 of pliotron, The emitter of other end the connection input power+12V and triode Q1 of resistance R24, the current collection of capacitance C22 connecting triodes Q1 Pole and out-put supply+5V0.+ 12V voltages are converted to+5V voltages by this circuit, are provided for the VDDX/VDDA pins of microprocessor Power supply uses additional power conversion chip without additional, saves certain cost, simplify the complexity of circuit again.
In the present embodiment, the power module further includes reverse-connection preventing circuit;The vehicle power supply passes through described anti-reverse Circuit is electrically connected with the DC-DC voltage conversion circuits.By reverse-connection preventing circuit, prevents from burning out when vehicle power supply is reversed and be System, to protect entire circuit.
Referring to Fig. 3, in the present embodiment, the power module further includes voltage pump rise circuit;The vehicle power supply is logical The voltage pump rise circuit is crossed to be electrically connected with the power tube drive module;The voltage pump rise circuit is suitable for will be described vehicle-mounted The voltage of power supply rises to the pulse voltage for the power tube that can drive the power tube drive module.Specifically, diode One end of D1A, D1B, D1C are connect with U1 pins VLS_OUT, the other end of diode D1A, D1B, D1C respectively with capacitance C24, capacitance C25, one end of capacitance C26 and the VBS0 of U1, VBS1, VBS2 pin connect, capacitance C24, capacitance C25, capacitance C26 Other end and resistance R27, one end of resistance R28, resistance R29 connects, resistance R27, resistance R28, other the one of resistance R29 Three-phase U, V, the W connection at end and induction less brush-less motor.The output voltage of VLS_OUT pins is 11V, gives capacitance under normal circumstances The upper terminal voltage of C24, capacitance C25, capacitance C26 chargings, capacitance C24 after charging complete, capacitance C25, capacitance C26 are 11V, The upper terminal voltage of capacitance C24 after voltage pump rise, capacitance C25, capacitance C26 rise to 23V, and it is electric at this time to open HG0/HG1/HG2 Pressure energy enough opens bridge metal-oxide-semiconductor.
In the present embodiment, the cooling fan controller further includes the mother being electrically connected respectively with the microprocessor Line voltage Acquisition Circuit and bus current Acquisition Circuit;The busbar voltage Acquisition Circuit and bus current acquisition electricity Road is respectively adapted to acquire the voltage of the cooling fan controller and electric current and is sent to the microprocessor.
In the present embodiment, cooling fan controller further includes the igniting detection circuit being electrically connected with microprocessor; The igniting detection circuit is adapted to detect for vehicle-state and is sent to microprocessor, when detecting vehicle igniting, passes through micro- place It manages device and starts cooling fan controller.
In the present embodiment, cooling fan controller further includes EMC suppression circuits, and EMC suppression circuits are suitable for when vehicle-mounted Power supply power supply, vehicle electric load etc. variations when, it is ensured that microprocessor still can keep working condition.
The embodiment of the present invention additionally provides a kind of engine-cooling system, including engine, cooling fan, induction less brush-less electricity Machine and such as above-mentioned cooling fan controller based on induction less brush-less motor.The chip of engine interior is with pwm signal Form sends the PWM speed governing information with rotary speed information to cooling fan controller, is adjusted by the rotating speed of engine to correspond to The duty ratio for saving pwm signal, to adjust the rotating speed of induction less brush-less motor, to make cooling fan cool down engine. The rotating speed for corresponding to adjustment cooling fan by the rotating speed of engine in real time, saves the energy, while improving cooling-down effect.
In conclusion an embodiment of the present invention provides a kind of cooling fan controller and engine-cooling systems, wherein Cooling fan controller, including:PWM receiving modules, microprocessor and power tube drive module;PWM receiving modules, Wei Chu Reason device and power tube drive module are electrically connected successively, and are integrated on one piece of circuit board;PWM receiving modules, which are suitable for receiving, to be sent out The PWM speed-regulating signals of motivation transmission are simultaneously sent to microprocessor;Microprocessor is suitable for passing through power according to the pwm signal received Pipe drive module controls the work of induction less brush-less motor, to drive cooling fan to cool down engine.By using noninductive Brushless motor cools down engine, and control device is made to reduce the circuit of sensor, while by PWM receiving modules, Wei Chu Reason device and power tube drive module are integrated on same circuit board, are reduced the arrangement of circuit, are saved printed circuit board Space.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one Connect to body;It can be mechanical connection, can also be electrical connection;It can be directly connected, it can also be indirect by intermediary It is connected, can is the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition State the concrete meaning of term in the present invention.
It should be noted that:Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of cooling fan controller based on induction less brush-less motor, which is characterized in that including:
PWM receiving modules, microprocessor and power tube drive module;
The PWM receiving modules, the microprocessor and the power tube drive module are electrically connected successively, and are integrated in one On block circuit board;
The PWM receiving modules are suitable for receiving the PWM speed-regulating signals that engine is sent and are sent to the microprocessor;
The microprocessor is suitable for controlling induction less brush-less motor by the power tube drive module according to the pwm signal received Work, to drive cooling fan to cool down engine.
2. the cooling fan controller as described in claim 1 based on induction less brush-less motor, which is characterized in that
The cooling fan controller further includes RC filtering FM modules;
The microprocessor filters FM module by the RC and is electrically connected with the power tube drive module.
3. the cooling fan controller as described in claim 1 based on induction less brush-less motor, which is characterized in that
The cooling fan controller further includes PWM failure feedback modules;
The PWM failures feedback module is electrically connected with the microprocessor module;
The PWM failures feedback module is suitable for receiving fault-signal, and is sent to the microprocessor module;
The microprocessor module, which is further adapted for receiving the fault-signal and passes through the power tube drive module, controls noninductive nothing Brush motor is stopped, to stop the operation of cooling fan.
4. the cooling fan controller as claimed in claim 3 based on induction less brush-less motor, which is characterized in that
The output end of the PWM receiving modules and the output end of the PWM failures feedback module are electrically connected at micro- place The pwm signal for managing device receives pin.
5. the cooling fan controller as described in claim 1 based on induction less brush-less motor, which is characterized in that
The cooling fan controller further includes temperature detecting module;
The temperature detecting module is electrically connected with the microprocessor;
The temperature detecting module includes acquiring the power tube nearby external sensor of environment temperature and acquisition microprocessor internal The internal sensor of temperature.
6. the cooling fan controller as described in claim 1 based on induction less brush-less motor, which is characterized in that
The cooling fan controller further includes power module;
The power module includes vehicle power supply and DC-DC voltage conversion circuits;
The vehicle power supply is electrically connected with the DC-DC voltage conversion circuits;
The DC-DC voltage conversion circuits are powered after being suitable for vehicle power supply being depressured to the cooling fan controller.
7. the cooling fan controller as claimed in claim 6 based on induction less brush-less motor, which is characterized in that
The power module further includes reverse-connection preventing circuit;
The vehicle power supply is electrically connected by the reverse-connection preventing circuit and the DC-DC voltage conversion circuits.
8. the cooling fan controller as claimed in claim 6 based on induction less brush-less motor, which is characterized in that
The power module further includes voltage pump rise circuit;
The vehicle power supply is electrically connected by the voltage pump rise circuit and the power tube drive module;
The voltage pump rise circuit is suitable for rising to the voltage of the vehicle power supply that the power tube drive module can be driven Power tube pulse voltage.
9. the cooling fan controller as described in claim 1 based on induction less brush-less motor, which is characterized in that
The cooling fan controller further include the busbar voltage Acquisition Circuit that is electrically connected respectively with the microprocessor with And bus current Acquisition Circuit;
The busbar voltage Acquisition Circuit and the bus current Acquisition Circuit are respectively adapted to acquire the cooling fan control The voltage and electric current of device are simultaneously sent to the microprocessor.
10. a kind of engine-cooling system, which is characterized in that weigh including engine, cooling fan, induction less brush-less motor and such as Profit requires 1-9 any one of them based on the cooling fan controller of induction less brush-less motor.
CN201810790210.3A 2018-07-18 2018-07-18 Cooling fan controller based on induction less brush-less motor and engine-cooling system Pending CN108757539A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810790210.3A CN108757539A (en) 2018-07-18 2018-07-18 Cooling fan controller based on induction less brush-less motor and engine-cooling system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810790210.3A CN108757539A (en) 2018-07-18 2018-07-18 Cooling fan controller based on induction less brush-less motor and engine-cooling system

Publications (1)

Publication Number Publication Date
CN108757539A true CN108757539A (en) 2018-11-06

Family

ID=63970212

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810790210.3A Pending CN108757539A (en) 2018-07-18 2018-07-18 Cooling fan controller based on induction less brush-less motor and engine-cooling system

Country Status (1)

Country Link
CN (1) CN108757539A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070069670A1 (en) * 2005-09-23 2007-03-29 Train Lin Controller Device of Cooling Fan
CN101710694A (en) * 2009-11-26 2010-05-19 上海大学 Car engine cooling fan blocking/overcurrent protection system and method
CN102594130A (en) * 2011-01-10 2012-07-18 中兴通讯股份有限公司 Method for outputting constant difference voltage and charge pump circuit
CN203476477U (en) * 2013-08-06 2014-03-12 洛阳市黄河软轴控制器股份有限公司 Heat dissipation control system of vehicle engine
CN103939377A (en) * 2014-05-06 2014-07-23 安徽江淮汽车股份有限公司 Stepless speed regulation radiator fan control assembly and method
CN105977576A (en) * 2016-07-12 2016-09-28 河南森源重工有限公司 Storage battery temperature control system for electric automobiles

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070069670A1 (en) * 2005-09-23 2007-03-29 Train Lin Controller Device of Cooling Fan
CN101710694A (en) * 2009-11-26 2010-05-19 上海大学 Car engine cooling fan blocking/overcurrent protection system and method
CN102594130A (en) * 2011-01-10 2012-07-18 中兴通讯股份有限公司 Method for outputting constant difference voltage and charge pump circuit
CN203476477U (en) * 2013-08-06 2014-03-12 洛阳市黄河软轴控制器股份有限公司 Heat dissipation control system of vehicle engine
CN103939377A (en) * 2014-05-06 2014-07-23 安徽江淮汽车股份有限公司 Stepless speed regulation radiator fan control assembly and method
CN105977576A (en) * 2016-07-12 2016-09-28 河南森源重工有限公司 Storage battery temperature control system for electric automobiles

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
刘波: "电路设计10例详解", 31 December 2017, pages: 407 - 411 *

Similar Documents

Publication Publication Date Title
US7948276B2 (en) Gate driver circuit, switch assembly and switch system
JP5655367B2 (en) Motor drive device
CN106487167B (en) Electronic pump
CN203675020U (en) Hand dryer brushless motor controller without position sensor
US9490705B2 (en) Inverter device and air conditioner
CN105580233B (en) Power conversion device
US20120176117A1 (en) Electronic control apparatus having switching element and drive circuit
JP2015211584A (en) Gate drive circuit
CN203233140U (en) Demagnetization protection circuit of compressor
CN202712818U (en) Hall sensor short-circuit protection circuit, motor controller and electric car
CN108757539A (en) Cooling fan controller based on induction less brush-less motor and engine-cooling system
CN208487048U (en) Cooling fan controller and engine-cooling system based on induction less brush-less motor
JP4100134B2 (en) Inverter
US8937450B2 (en) Motor driving system and motor system
JP3951932B2 (en) Load drive control system
WO2018037720A1 (en) Power conversion device
CN204794730U (en) AC changes DC's brushless radiator fan drive circuit
CN212028135U (en) Fill electric pile fan speed governing control circuit
CN103016378A (en) Driving circuit and driving method of external rotor electronic control type fan adjuster
CN110071679B (en) Motor control circuit
CN104410335A (en) Control circuit and control method of intelligent small-power motor controller
CN111049466A (en) Anti-interference circuit, device and electrical equipment
CN110971157A (en) Drive waveform design system of direct current brushless motor
CN211791334U (en) Position feedback type permanent magnet synchronous motor driving circuit and permanent magnet synchronous motor
CN201178392Y (en) Control circuit of DC frequency converting motor

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination