Company News
Industry News
Knowledge
Contacts: Maggie Yu
Tel: +86-0755-28035808
Fax: +86-0755-28035808
Phone/Wechat: 0086-18038069461
E-mail: yyh88@snowfan.com.cn
Time:2022-03-11Views:0
The DC fan supplier Chengda Electronics specializes in the production and sales of various types of motors such as DC fans and cooling fans. Before purchasing, we must first have a certain understanding of the demand products such as DC fans. As far as the editor knows: DC fans mostly use DC brushless motors, and brushless DC motors are greatly simplified in structure because the collector rings and brushes for excitation are omitted. At the same time, not only the manufacturability of the motor is improved, but also the mechanical reliability of the motor operation is greatly enhanced and the service life is increased.
The working principle of the DC fan and its advantages and characteristics: At the same time, the air gap magnetic density can be greatly improved, and the motor index can be optimally designed. The direct effect is that the motor volume is reduced and the weight is reduced. Not only that, it also has very excellent control performance compared with other motors. This is because: First, due to the high performance of the permanent magnet material, the torque constant, torque inertia ratio, power density, etc. of the motor are greatly improved. Through reasonable design, the indicators such as moment of inertia, electrical and mechanical time constants can be greatly reduced, and the main indicators of servo control performance have been greatly improved.
Second, the design of the modern permanent magnet magnetic circuit has been perfected, and the coercive force of the permanent magnet material is high, so the anti-armature reaction of the permanent magnet motor and its anti-demagnetization ability are greatly enhanced, and the control parameters of the motor vary with the external environment. The influence of disturbance is greatly reduced. Third, because the permanent magnets replace the electric excitation, the design of the excitation winding and the excitation magnetic field is reduced, thus reducing the excitation magnetic flux, the excitation winding inductance, the excitation current and many other parameters, thereby directly reducing the controllable variables or parameters. Combining the above factors, it can be said that the permanent magnet motor has excellent controllability.
At present, many large-capacity fans have adopted the frequency conversion speed regulation method to adjust the air volume. This type of frequency converter mainly relies on imports and is expensive. At present, fans with power levels below 1kw, especially fans of household air conditioners, have been driven by permanent magnet brushless DC motors, and the speed and air volume adjustment method is adopted. Fans in the power range of 1~10kw have a huge amount of consumption. They are basically driven by induction motors, and the air volume is adjusted by adjusting the opening of the tuyere. For fans in this power range, the use of permanent magnet brushless DC motor drive to replace the original induction motor drive has great advantages.
Why do cooling fan manufacturers have to order several samples?
2022-04-19Is it sufficient to increase the speed of the high-volume cooling fan?
2022-04-20Heat waves will change the way of life in the future
2021-11-25It may be the driving force behind the noise of the cooling fan!
2021-08-04About the waterproof design of the cooling fan of the charging pile cabinet?
2021-08-16Preventing Excessive Vibration of Industrial Equipment Cooling Fans and Vibration Reduction Scheme
2022-05-18How much is the power of a household fan
2022-04-01Analysis of DC fan and its working principle
2021-10-20Can the DC cooling fan vibrate with high intensity?
2021-09-28Safe operation and long service life is a major feature of DC blower products
2022-04-11Interpretation of the heat transfer method of low-noise DC fans
2022-03-03What is an electric fan made of?
2022-07-18What is the difference between a 3-wire and 4-wire CPU cooling fan for a computer?
2021-09-01The core difference between 4010 cooling fan and 4020 cooling fan
2021-08-05Repair of electric fan not rotating
2022-04-02Will the positive and negative poles of the DC cooling fan burn if connected reversely?
2022-04-20Estimated service life of cooling fan hydraulic bearings and double ball bearings
2021-12-24What methods can improve the quality of cooling fans?
2022-01-15The parameters of the cooling fan of the Antminer are revealed, and the price is unbelievably low
2021-12-07What are the voltage specifications of the DC cooling fan
2021-11-02Is the PWM function of the DC cooling fan design quieter?
2021-08-25Briefly describe the characteristics of the DC blower
2022-04-07Analysis on whether the cooling fan can be waterproof after adding lubricating oil?
2021-10-13Share DC fan speed with temperature control function
2022-03-03What are the factors related to the life of the cooling fan?
2021-10-13Can cooling fan manufacturers customize high-volume DC 9V fans?
2021-09-23What is the warranty period for the cooling fan?
2021-08-03cooling fan manufacturers have to order several samples?
2021-12-10What are the fans used for heat dissipation in electric vehicle charging piles?
2021-08-17What is the difference between a DC cooling fan and an AC cooling fan?
2021-09-07What are the processes for the internal structure of the waterproof fan?
2021-11-18Why are small fans difficult for manufacturers of cooling fans to design temperature control and spe
2021-08-27Which is better, AC fan or DC fan?
2022-01-05Why are most of the current cameras with infrared function
2021-09-10hou much do you know about the working principle of fan cooling
2021-12-24How do manufacturers do dust-proof cooling fans?
2021-12-28What effect does jitter have on performance when the cooling fan is running?
2022-01-24Why do cooling fan manufacturers want to get an air volume tester
2021-08-20Four details to pay attention to when using a DC blower
2022-05-19How to use and maintain electric fans
2022-05-06Axial fans and centrifugal fans
2022-04-08Analysis of the source of DC fan noise
2021-11-10What is the gap between domestic cooling fan manufacturers and foreign manufacturers?
2021-09-16Analysis of the failure and cause analysis of the cooling fan
2021-10-13How to deal with the noise of the micro cooling fan
2021-12-25What does high frequency microwave PCB circuit board exposure do?
2021-09-14What are the factors related to the life of the cooling fan?
2021-10-14Why does the cooling fan manufacturer have no inventory?
2021-08-10What is the gap between domestic cooling fan manufacturers and foreign manufacturers?
2021-09-15Where are the current weaknesses of domestic cooling fan manufacturers?
2021-08-20Advantages and structural defects of hydraulic fans
2022-02-19A comprehensive introduction to DC cooling fans
2022-05-10Is it sufficient to increase the speed of the high-volume cooling fan?
2021-09-13Guidelines For The Use Of Axial Fan Blades
2021-04-28What is the difference between ball bearings and oil-impregnated bearings for cooling fans?
2021-11-08How to choose the cooling fan manufacturer of the mining machine? 2 tricks to get it done
2021-12-28Can 4010DC fans be made waterproof?
2021-08-23How to use only two cooling fans with three lines?
2021-09-18What does the life span of the cooling fan have to do with?
2021-08-05Why are oil-contained cooling fans prone to noise?
2021-09-28Is it possible to install the computer cooling fan backwards?
2021-11-09Smart toilet cooling fan cleaning tips
2022-04-18Talk about the reason why the cooling fan does not turn
2021-10-21What is the difference between a DC fan and an AC fan?
2022-03-01How to replace a laptop cooling fan
2022-03-28Can the cooling fan pass the salt spray test?
2021-08-02What effect does jitter have on performance when the cooling fan is running?
2021-12-20What specifications are good for the ventilation fan of the air purifier?
2021-08-24What are the purchasing skills of electric fans?
2022-05-09How to choose a more reasonable DC axial fan
2021-08-19What is the reason why the cooling fan in the air purifier does not rotate?
2021-09-24Silicon oil fan clutch structure composition
2021-11-26How to choose a cooling fan to be more silent?
2021-10-15Do you know what are the commonly used bearings for cooling fans?
2022-03-14Reasons and repair methods for household floor fans not rotating
2022-03-21Why is the radiator fan that is exhausted to dissipate heat more easily than the blower
2021-09-16What are the advantages and characteristics of the DC fan produced?
2022-03-04Are more computer fans better?
2022-03-29Can waterproof fans operate at low temperatures?
2021-10-20Features of DC blower
2021-10-26the current cameras with infrared function
2021-12-09Does the cooling fan work at low temperatures have an impact?
2021-10-21Different types of cooling fans
2022-05-16What effect does jitter have on performance when the cooling fan is running?
2021-09-14The main application areas of DC cooling fans
2022-05-11Learn about monitoring and protection of DC fans
2022-04-08What are the characteristics of lightweight DC fans for drones?
2021-12-06What are the advantages of DC direct floating hot fans?
2022-01-10Ubiquitous computer cooling fan
2022-04-14Why is the 3007 silent fan difficult to achieve, and is there any good way?
2022-02-18How to choose the cooling fan manufacturer of the mining machine? 2 tricks to get it done
2021-08-11Will the 12V cooling fan be damaged if the voltage is lower than the rated voltage?
2021-11-16What is the difference between a hydraulic cooling fan and an oil-contained cooling fan?
2021-09-07Why is there a quantity requirement for the cooling fan?
2021-10-26What is the difference between a heatsink and a fan on a computer?
2022-03-23Tell you what to pay attention to when choosing a cooling fan for communication equipment
2022-03-04Can the speed of the micro cooling fan be adjusted?
2022-01-13Can the inventory of the cooling fan manufacturer be purchased?
2021-08-09Advantages and Performance of DC Cooling Fans
2022-04-15The main application areas of DC cooling fans
2022-04-25Why are oil-contained cooling fans prone to noise?
2021-12-16How to choose a cooling fan to be more silent?
2021-09-02Can the tolerance of the DC cooling fan be reduced?
2021-09-26Can the DC cooling fan vibrate with high intensity?
2021-12-16Why are fans mostly square, can they be made into rectangles?
2022-01-07About the cause and treatment of DC fan noise
2021-11-19How to increase the air volume/wind/pressure of the cooling fan?
2022-02-18What is the reason for the slow start of the electric fan
2022-04-27Reasons and maintenance methods of electric fans not rotating
2022-04-01How dustproof and reliable the cooling fan is
2022-01-22DC fan suppliers discuss with you the main factors of fan cooling
2022-03-07What fields are DC cooling fans mainly used in
2022-04-26What is the working principle of the DC fan coil unit?
2022-03-15Which type of cooling fan is prone to noise?
2021-11-10Mergers and acquisitions integration and capital operation among large DC fan manufacturers are beco
2022-04-14Does the cooling fan work at low temperatures have an impact?
2021-10-19Application field of DC fan
2021-11-05Analysis of the reasons for the cooling fan rotation stall
2022-03-02How about the waterproof function of the cooling fan?
2022-04-12Teach you how to use a DC fan
2022-04-07Small, tiny, ultra-thin cooling fan the size of a fingertip
2022-04-12What is the reason for the noise of 4010 DC fan?
2022-01-20What common questions should be paid attention to during the application of cooling fans?
2022-01-17How is the cooling fan designed
2021-12-25What is the specific meaning of the air volume parameters of the cooling fan?
2021-10-11How much high temperature can the cooling fan resist?
2021-11-23About the cause and treatment of DC fan noise
2021-11-23Electric fan: distinguish between dry heat and damp heat
2021-11-24How does the installation method of the cooling fan affect the service life?
2022-01-26New product development, how to quickly choose a suitable cooling fan
2022-02-18How to solve the noise problem of cooling fan
2022-03-16Fan manufacturers
2022-04-22Why is there a quantity requirement for the cooling fan?
2021-12-14What are the advantages of imported cooling fans?
2022-04-19electric fan
2022-04-21Reasons and solutions for the electric fan not turning
2022-04-06The cooling fan is used to force the radiator through the wind speed
2022-03-16Cooling Fan - Structure
2022-03-29The price of cooling fan manufacturers is different, what is the poor performance?
2022-01-17How DC Fans Work
2022-05-12How long is the life of the DC fan with high air volume?
2022-02-28Why is the 4010DC cooling fan so cheap?
2021-08-2410MM thick cooling fan, what is a strange phenomenon in the industry
2022-01-19DC fan permanent magnet motor has excellent controllability advantages
2022-03-09What is the difference between a DC cooling fan and an AC cooling fan?
2021-09-06Analysis on whether the air outlet is not unblocked has an effect on the cooling fan?
2021-10-12Can waterproof fans work at low temperatures?
2021-11-01Can cooling fan manufacturers customize high-volume DC 9V fans?
2021-12-17What are the technical treatments for the internal structure of the waterproof fan?
2021-11-08What is the relationship between the power of the DC axial fan and the air volume?
2021-12-02Can the DC fan speed be adjusted?
2021-08-25Can the speed of the DC fan be adjusted?
2021-11-02What is the root cause of the cooling fan failure?
2021-11-23The speed of the cooling fan
2021-12-22What should I do if the computer fan is loud
2022-03-25What are the tips for cleaning the dust of the cooling fan
2021-10-28The main components of the electric fan
2022-07-19The development trend of cooling fan
2022-04-11Can the cooling fan be silent?
2021-12-01Will the current sensor be magnetized?
2022-04-13How to remove the cooling fan on a desktop computer?
2022-03-23What are the processes for the internal structure of the waterproof fan?
2021-11-23Must-see for fan
2021-11-25iring shall be installed by professionals
2021-12-23Factors for the rapid rise of a large number of domestic excellent DC fan brands
2022-03-09Can cooling fan manufacturers customize high-volume DC 9V fans?
2021-09-22Analysis on whether the air outlet is not unblocked has an effect on the cooling fan?
2021-10-14What is the effect of the waterproof fan?
2021-11-03What are the processes for the internal structure of the waterproof fan?
2022-01-04increase the speed of the high-volume cooling fan?
2021-12-09How to choose the cooling fan manufacturer of the mining machine? 2 tricks to get it done
2022-02-15The structure of the electric fan
2022-03-22Where are the cooling fan manufacturers mainly concentrated
2021-09-29How to realize the silent cooling fan?
2021-08-02What is the quality of the fans used in the LED lighting industry?
2021-11-09How to solve the noise of the cooling fan of the mining machine chassis?
2021-08-12Is wireless charging slower than wired charging?
2022-02-14Monitoring and protection knowledge of DC fans
2022-05-13The working principle of silicone oil fan
2021-11-26Where are the cooling fan manufacturers mainly concentrated
2021-09-15Introduction and Application of Photodiode
2021-09-10How long is the life of 4010 DC fan with high air volume?
2021-08-23What is the difference between a hydraulic cooling fan and an oil-contained cooling fan?
2021-10-08What are the requirements for non-standard samples of axial flow cooling fan manufacturers?
2021-08-27Do you know what are the commonly used bearings for cooling fans?
2022-03-09What are the specifications of the silent fan Jingyangda?
2021-12-06Features of DC blower
2021-12-14Teach you how to use a DC fan
2022-05-12What are the processes for the internal structure of the waterproof fan?
2021-11-18What are the processes for the internal structure of the waterproof fan?
2022-02-24What are the characteristics of the charging pile cabinet fan?
2021-08-18Mainly the fan with oil-containing structure.
2022-03-02What factors need to be considered for the reliability of the cooling fan?
2021-12-07The three-phase star connection of the DC cooling fan has a variable frequency motor control circuit
2022-03-17Analysis of the source of DC fan noise
2021-11-16Why is the fan not turning?
2022-04-02Cooling fan function introduction
2022-03-28Factors for the rapid rise of a large number of domestic excellent DC fan brands
2022-03-14Why is the cooling fan developing so fast in China?
2021-08-30The price of cooling fan manufacturers is different, what is the poor performance?
2021-08-10Common faults of cooling fans and their solutions
2022-02-28What is the reason why the cooling fan in the air purifier does not rotate?
2021-09-22Can the cooling fan be dustproof?
2021-10-19What should be paid attention to for the cooling fan of the new energy charging pile?
2021-08-17The air volume of the cooling fan is related to the air pressure of the cooling fan
2022-01-24Which frameless cooling fan or framed cooling fan has the largest air volume?
2021-08-06Why do cooling fan manufacturers have to order several samples?
2021-09-09What is the difference between a hydraulic cooling fan and an oil-contained cooling fan?
2021-09-06What is the gap between domestic cooling fan manufacturers and foreign manufacturers?
2021-09-29How do manufacturers do dust-proof cooling fans?
2022-02-14How do manufacturers do dust-proof cooling fans?
2022-02-22Noise formation and treatment of cooling fan?
2022-05-20Will the power cord of the cooling fan burn if it is connected upside down?
2021-08-09What types of cooling fans are there?
2022-03-24How long can the manufacturer of 4010 cooling fan guarantee?
2021-12-27What are the protection requirements for the cooling fan of the charging pile?
2021-08-19Characteristics of DC Blowers
2022-05-13Troubleshooting method for notebook CPU cooling fan
2021-10-25What determines the price of a DC fan
2021-10-28The main points of using the air purifier cooling fan
2022-04-18What is the main reason for the quality of the declassified cooling fan?
2021-08-04What is the reason why the cooling fan in the air purifier does not rotate?
2021-12-17Will the 12V cooling fan be damaged if the voltage is lower than the rated voltage?
2021-11-11The heat dissipation characteristics of axial fans
2021-08-18Discussion on whether the computer power fan is muted
2021-10-25Take you to see what is a DC fan
2022-01-17Does the cooling fan work at low temperature have any effect?
2021-08-13What is the method of controlling and adjusting the speed of the cooling fan?
2021-10-15Cooling fan manufacturers tell you the source and solution of noise
2022-03-11How to choose the cooling fan manufacturer of the mining machine? 2 tricks to get it done
2022-02-23How to use electric fan for baby
2022-05-09How to choose the current and voltage sensor power supply?
2022-04-13Teach you to distinguish the types of cooling fans
2022-04-15Can the speed of AC fan be adjusted?
2022-01-27What is the root cause of the cooling fan failure?
2021-11-19What is the reason why the cooling fan in the air purifier does not rotate?
2021-09-23Why is the cooling fan squirting oil?
2021-10-18What information does the manufacturer need to make a cooling fan sample?
2021-12-20A comprehensive introduction to DC cooling fans
2022-04-25Which cooling fan is better?
2022-03-24Do you know how the fan works?
2022-03-25Did you know that the air is continuously recirculated in the unit of the DC fan coil unit?
2022-03-18What information does the manufacturer need to make a cooling fan sample?
2022-01-25How to solve the noise problem of cooling fan
2022-03-17What are the factors related to the life of the cooling fan?
2021-10-18What is the effect of the waterproof fan?
2021-11-01Why is the stock 4010 fan so cheap?
2021-08-30How are the cooling fan manufacturers under the new crown epidemic in 2021?
2021-08-03Axial fans and centrifugal fans
2022-05-16What are the requirements for the cooling fan of the charging pile?
2021-09-17What are the correct steps to install a DC fan?
2021-11-05Disassemble the components of the cooling fan
2022-04-22Analysis of the influence of the installation method of the cooling fan on the life?
2021-12-01Why does the cooling fan manufacturer require a minimum order quantity, isn't it a standard product?
2022-02-16Can cooling fan manufacturers customize high-volume DC 9V fans?
2021-12-21Essential tips for life: how to use the cooling fan correctly
2022-07-15Do you know how the fan works?
2022-04-26Why does the ultra-thin cooling fan 3007 often have noise problems?
2021-09-26Design steps of cooling fan
2022-03-01Application of Photodiode
2021-12-08Why do ultra-thin 2006 cooling fans often have noise problems?
2021-10-11How to choose a silent fan?
2021-08-16Advantages and structural defects of hydraulic fans
2021-12-27What is the structure of the fan
2022-07-18the advantages of imported cooling fans?
2021-12-10How does the DC blower work?
2022-01-14Power saving tips for electric fans
2022-05-06the speed of the cooling fan?
2021-12-13Analysis of why the waterproof fan has a backwind phenomenon?
2022-02-27Electric fan: how high temperature and physiology interact
2021-11-24About the air volume and pressure of the cooling fan in front of you
2021-08-06Do you know how the fan works?
2022-05-11Can the speed of the micro cooling fan be adjusted?
2022-01-08Disassemble the components of the cooling fan
2022-05-10choose a cooling fan to be more silent?
2021-12-13the DC cooling fan burn if connected
2021-12-09DC fan permanent magnet motor has excellent controllability advantages
2022-03-11Cooling fan manufacturer Chengda shares with you the cleaning skills of fans
2022-03-10What information does the manufacturer need to make a cooling fan sample?
2021-09-14Cooling fan manufacturers tell you the source and solution of noise
2022-03-08How to choose a manufacturer for the cooling fan of the mining machine case to reduce the cost
2021-08-13DC fan suppliers discuss with you the main factors of fan cooling
2022-03-10The main structure and working principle of electric fan
2022-04-21What are the 4 wires of the computer CPU cooling fan?
2021-09-01Micro Fan - What kind of equipment are cooling fans mainly used in?
2022-03-15Classification and application of fans in our lives
2022-04-11The cooling fan is used to force the air supply to the electronic radiator through the wind speed
2022-03-18What are the advantages of imported cooling fans?
2021-09-09Can cooling fan manufacturers customize high-volume DC 9V fans?
2021-09-24What is the difference between a DC cooling fan and an AC cooling fan?
2021-10-08Will the positive and negative poles of the DC cooling fan burn if connected reversely?
2021-09-13What are the requirements for cooling fans for Bitcoin mining machines?
2021-08-12The correct way to open the DC fan accessories
2021-12-24Does the unobstructed air outlet affect the cooling fan?
2021-09-02What is the difference between ball bearings and oil-impregnated bearings for cooling fans?
2021-11-15How DC Fans Work
2022-04-06How is DC fan better than AC fan?
2022-01-06What is the air volume unit conversion for DC cooling fans?
2021-12-03Why does the cooling fan manufacturer have no inventory?
2022-01-18How to fix the slow start of the electric fan
2022-04-27Talk about the reason why the cooling fan does not turn
2021-11-03Explain the components of the cooling fan
2022-05-17How do manufacturers do dust-proof cooling fans?
2021-08-11How can the Raspberry Pi 3rd generation DC fan 3007 be quieter?
2021-08-26Why is it difficult for manufacturers of small fans to design temperature control and speed regulati
2021-08-27DC cooling fan
2022-05-17Understand the installation essentials of DC fans
2021-12-22Cooling fan manufacturer Chengda shares with you the cleaning skills of fans
2022-03-07What is the cause of the tripping of the cooling fan of medical equipment?
2022-05-18How electric fans work
2022-03-22The structure of the electric fan
2022-07-19What are the processes for the internal structure of the waterproof fan?
2021-11-11What is the reason why the cooling fan in the air purifier does not rotate?
2021-12-21