The production of industrial equipment is inseparable from the accessories industrial cooling fan. The main function of the fan is to dissipate heat, cool and remove dust for various sizes of equipment. The general production environment of industrial equipment is relatively harsh. In order not to shorten the service life of the industrial cooling fan, some treatment will be done for the fan. The following are some of the more common anti-corrosion measures for industrial cooling fans.

Appearance treatment of industrial cooling fans: The surface protection treatment of cooling fans usually adopts galvanizing, chrome plating, chemical plating and other methods. These methods are valid in many environments, but for rotating parts, you must choose carefully. Because the substrate and the coating are two kinds of materials, their linear expansion coefficients are different, which will produce different deformations in the elastic deformation of the rotating parts, which will produce a large number of micro-cracks and accelerate the formation of corrosion. Therefore, the appropriate process must be selected according to the actual use environment.

Design of industrial cooling fan: The design of cooling fan is the performance of its core technology, and also affects the service life of cooling fan. In the structural design of cooling fans, the design defects most prone to accelerated corrosion are stress concentration tendencies and interstitial environments. Sometimes the corrosion rate in the metal immersion solution is small, but the formation of gaps can cause severe crevice corrosion due to changes in the chemical and electrochemical states of the internal solution, which requires careful design.

Materials of industrial cooling fans: Different cooling fans use different materials and have different anti-corrosion effects. After selecting the cooling fan model, the strength of the parts is determined from the base surface according to the corrosion resistance of different materials in different environments, the main application environment, working strength and other factors.

Guangdong Chungfo Electronic Technology Co., Ltd. focuses on the cooling needs of equipment in various industries. We are a cooling fan manufacturer specializing in R&D and supply of DC cooling fans, AC cooling fans and DC blower fans, etc. The product quality is excellent, the cooling fan gauge is complete, and the professional customization of cooling fans can be provided according to customer needs.

Air volume refers to the total volume of air discharged or incorporated by the cooling fan per minute. If it is calculated in cubic feet, the unit of air volume is CFM. In cubic meters, that's CMM. The air volume unit often used by cooling fans is CFM.

Air volume is the most important indicator to measure the heat dissipation capability of heat dissipation fans. Obviously, the greater the air volume, the higher the heat dissipation capacity of the cooling fan. This is because air has a certain heat capacity ratio, and a larger volume of air, which means more air per unit time, carries more heat. So what factors will affect the air volume of the cooling fan?

1. Fan speed. The fan speed refers to the number of rotation times of the fan blades per minute. The unit is rpm. The fan speed is determined by the number of turns of the coil in the motor, the working voltage, the number of fan blades, the inclination Angle, the height, the diameter and the bearing system. Fast speed, that is, the fan out of the air volume is larger, in the case of not considering other factors, fast fan can better heat dissipation, but its disadvantage is also obvious, that is, will shorten the service life. Of course, it is also related to fan bearings. If it is an oil-bearing, too high speed is not necessarily a good thing, and ball bearings can achieve a higher speed.

2. Fan size. In fact, the wind speed and pressure of the same size fan are inversely proportional. The faster the wind speed, the greater the amount of wind, the smaller the wind pressure accordingly, so that the wind can not completely blow to the bottom of the radiator, so that the heat will accumulate at the bottom, so that the cooling effect is weakened. Therefore, if you need to increase the air volume and pressure of the fan at the same time, the only way is to increase the size of the fan. However, increasing the size of the fan brings with it a series of problems, such as being overweight. Therefore, we should not blindly pursue high speed, we should choose the most suitable cooling fan for their products according to the specific requirements of customers.

Guangdong Chungfo Electronic Technology Co., Ltd. focuses on the cooling needs of equipment in various industries. We are a cooling fan manufacturer specializing in R&D and supply of DC cooling fans, AC cooling fans and DC blower fans, etc. The product quality is excellent, the cooling fan gauge is complete, and the professional customization of cooling fans can be provided according to customer needs.

First of all, when connecting the centrifugal cooling fan, the foundation joint surface, and the inlet and outlet air ducts, they should be adjusted to fit naturally, not forcibly connected, and the weight of the air ducts should not be concentrated on the casing to avoid deformation of the casing and affect the normal operation. The inlet and outlet air ducts of the centrifugal fan should be connected with hoses, and attention should be paid to the horizontal position of the fan.

Secondly, when installing the centrifugal ventilation fan, it is necessary to first check whether the connection of each part is tight, whether the rotation is sensitive, etc., and also check whether there are debris in the casing. After the installation is completed, it is necessary to check whether the installation tools are left out. Otherwise, it will affect the normal use of the fan, and even threaten the performance of the fan.

Finally, after the installation is completed, the trial operation can be carried out only after all parts are confirmed to be normal. In the process of trial operation, the current should be well controlled and the rated value should not be exceeded. In order to prevent the motor from being burnt due to overload, it must be carried out under no load when the 12 volt centrifugal fan is started and tested. If the condition is good, gradually open the valve until the specified operating conditions. After installation, try to rotate the impeller to check whether it is sensitive. If it is found to be wrong, it should be adjusted in time.

The cooling fan is one of the indispensable parts of the car. If the cooling fan doesn't work, it will cause the coolant temperature in the engine water tank to be too high. If the water temperature is too high, the water vapor in the water tank will spray out from the pressure relief hole. This situation is more dangerous, and the car can be started only after maintenance. So what are the reasons for the car cooling fan not working?

1. If the switch fails, most of the cooling fans used in the car are operated by electronic temperature control. The fan will not operate normally until the water temperature reaches the required temperature. If the switch fails, the water temperature of the car will rise and the fan will not be powered on normally, resulting in the cooling fan not running.

2. If the fan itself fails, it needs to be repaired immediately and replaced with a new cooling fan.

3. If the fan does not operate under normal water temperature, it is likely that the relay of the cooling fan has failed, and the relay damage is usually caused by poor circuit contact.

Now the weather is hot. Friends must pay attention to safety when driving, pay more attention to the normal use of auto parts, and eliminate potential safety hazards. Guangdong Chungfo specializes in the production of DC/AC cooling fans,cross flow fan,blower fan. The products have passed UL, CE, TUV and other certifications, providing customers and friends with more quality guaranteed fans.

Cooling fans, as the name suggests, are used for ventilation and heat dissipation. It is widely used in various industries and fields, because in many electronic equipment and machinery, if there is no cooling device installed in the equipment, the working temperature may be too high, which may cause the performance of the equipment to decline, or even be damaged. For normal and efficient operation, a ventilation cooling fan is required. So where are the cooling fans commonly used in our lives?

In the field of home appliances, refrigerators, washing machines, smart toilets, air purifiers, humidifiers, dehumidifiers, etc. all need to be applied to cooling fans. These household appliances are often used, and through It is easy to generate heat when running on electric power, so it is necessary to use a cooling fan to help dissipate heat to prolong its service life.

In the field of medical treatment, during the normal use of medical equipment, under the action of current, the interior of the medical equipment will heat up to varying degrees. If the temperature exceeds the safe range under normal circumstances, install a cooling fan to ensure the normal operation of the equipment during use, which not only protects the service life of the equipment itself, but also improves the safety of the equipment.

In the field of vehicle system, automotive cooling fans are also installed on various parts of the car, and the phenomenon of converting mechanical energy into thermal energy also occurs during the driving process of the car. Therefore, the parts in the car also need to continue to be cooled, such as car seat cushions, LED headlights, etc. If there is no cooling tool, the parts of the car will naturally fail, causing the car to be sent to the maintenance department.

In addition, in addition to the above-mentioned household appliances, medical equipment and automobile fields, cooling fans are also widely used in many places, such as: office equipment (projectors, printers), power communication equipment (frequency converters, inverters, cabinets) and industrial equipment, etc.

Chungfo Electronic Technology Co., Ltd. focuses on the cooling needs of equipment in various industries. We are a cooling fan manufacturer specializing in R&D and supply of DC cooling fans, AC cooling fans and DC blower fans, etc. The product quality is excellent, the cooling fan gauge is complete, and the professional customization of cooling fans can be provided according to customer needs.

Why the speed of DC cooling fan slows down?

The speed of the cooling fan is determined by voltage, fan blade angle, diameter, number of fan blades, bearings, etc. So what is the reason why the cooling fan slows down?

The speed of the cooling fan is mainly determined by the structure and components of the fan itself, the bearing friction and the wind resistance of the inclination angle of the fan blade. If the air pressure of the cooling fan is not enough, the speed of the fan will also be affected.

1. The reason for the slow speed of DC cooling fan: first, check whether it has been used for too long. If it is not disassembled to clean the dust, there will be too much dust accumulation, which will make it difficult for the fan to rotate and slow down. It is recommended to clean regularly. Dust is very harmful to DC cooling fan.

2. The reason for the slow speed of DC cooling fan may also be the problem of power supply, so users can also consider replacing silent power supply or DC cooling fan. At present, there are many silent power supplies in the market, which can effectively reduce the power supply noise after strict testing. In addition, the DC cooling fan can be replaced better. The process of replacing the power fan is also very simple. The key is to pay attention to the connection between the fan and the power supply.

3. In addition, if the DC cooling fan is not installed and loosened during installation, the fan speed will also slow down. Therefore, it is recommended to be careful during installation and removal.

The definition of blower:

It is a general machine that converts the mechanical energy of the prime mover into gas energy and transports gas. In fact, the blower can not produce its own wind, it only uses electricity or the energy generated by the combustion engine oil to drive the fuselage's wind blades, produce wind by changing the air pressure, and change the direction of the wind, and fix the air supply in one direction.

The type of blower

Centrifugal blower

A centrifugal blower is a type of blower that accelerates and exhausts gas by centrifugal force. Its structure is simple, stable operation, suitable for conveying a large amount of gas and pressurization and other work.

Our company mainly produces and develops centrifugal blowers and DC blowers, and also produces some small blower fan. Although the application of our company's blower has been involved in many different fields, but still insist on the development of a variety of new features of the blower, such as this newly developed, specially used for household washing and drying integrated washing machine 15035 blower.

The main working principle of the general dryer is to generate power through electricity, diesel power, wind power, flammable material resources, etc., and heat the ambient air, which is transmitted to the surrounding through, and then achieve the appropriate temperature for dehumidification treatment. Under the action of the suction force of the blower, the fresh cold air outside becomes dry hot air after heat exchange with the heater directly through the air intake, and then it is discharged from the body after heat exchange with the clothes rolling in the drum, and the clothes in the drum, the water gradually evaporates and dries under the action of dry hot air.

The special feature of this model 15035 blower is that on this basis, the sealing ring is added, and the pot-sealing glue is added in the stator, which greatly enhances its water resistance, so that the blower is better protected and the service life of the dryer is guaranteed. This product is developed according to customer requirements. Our company has its own factory specializing in R & D and production, which includes R & D team, laboratory, sample group, injection molding workshop and assembly workshop. Therefore, from the production of fan blades, fan frames, fan assembly to the final packing and packing, our company handles all the steps by hand, and every step is strictly controlled. The quality of the products is very guaranteed. Welcome to consult!

Many home appliances need heat dissipation during use, so cooling fans are usually installed to achieve the purpose of heat dissipation. In the process of using home appliance industry cooling fan, fan bearings play a decisive role in the service life, noise and reliability of cooling fans. According to the fan bearing, it can be divided into oil bearing exhaust fan and ball bearing exhaust fan. The price of oil bearing fans is relatively low, but oil bearings are dragging friction. In long-term use, the lubricating oil is used faster, so the bearings are more likely to be broken, and there will be loud noises in the middle and late stages. The ball bearing belongs to the rolling friction, which has the characteristics of high efficiency, low heat generation, small friction coefficient and small damage. Therefore, the service life is generally longer. With the development of the home appliance industry, oil bearing fans have been unable to meet its heat dissipation requirements, so ball bearing fans have gradually become the mainstream of home appliance industry cooling fan today.

During the production and processing of cooling fan bearings, the key stages of quality include the production and manufacture of bearing steel balls, the use of refined oil, cleaning during processing, the application of aerospace-grade stainless steel plates, and high-precision assembly lines. Since the bearing has a great influence on the cooling fan, it is particularly important to control the quality of the bearing.

In addition, high-quality bearings and fake and inferior bearings do not look very different in appearance, but their technological content cannot be compared. The significant technical differences in the production process of the two bearings can be reflected through the analysis and comparison of the bearing preload characteristics. Preloading refers to the entire process of fixing the balls into the bearing sleeve, which stipulates that the balls are inseparable from the surface of the bearing sleeve, and there is no play. Whereas in inferior bearing manufacture, the left and right bearing sleeves are directly aligned before preloading. There is no doubt that there will be some deviation between the steel ball specification and the bearing sleeve specification, so after preloading the bracket bearing, there will always be 5-10 gaps between the ball and the bearing sleeve, which greatly increases the degree of embrittlement damage, Reduced bearing life. In the same overall process, when high-quality bearings are produced and manufactured, the relative spacing between the left and right bearing sleeves during preloading is 5 microns, so that the bearing sleeves will firmly lock the balls after being stressed, thereby reducing the clearance to zero. In this way, during the operation of the fan, the balls are not easy to vibrate, thereby minimizing the damage and ensuring the stable and long-term high-speed operation of the cooling fan.

Guangdong Chungfo Electronic Technology Co., Ltd. is a professional cooling fan manufacturer dedicated to the equipment cooling needs of various industries. We can provide professional customization of cooling fans according to customer needs. If you have needs in this area, please feel free to contact us.

The cooling fan blade is an important part of the cooling fan, which affects the performance and parameters of the cooling fan. These fan blades are usually made of plastic or metal materials, and generally consist of a plurality of fan blades. When the fan is running, the blades create airflow, which helps cool objects. Next, let's take a deeper look at the fan blades of cooling fans from three aspects.

1. The role of fan blades

The role of the cooling fan blade is to help the radiator to send heat to the environment, so that the device can be kept in an appropriate temperature range. The cooling fan consists of a motor and a set of fan blades. When the motor is running, the fan blades will rotate to remove heat from the radiator. This helps protect devices from overheating damage and maintains them in proper working order.

2. The material of the fan blade

Cooling fan blades are usually made of lightweight heat-resistant materials, such as plastic, aluminum alloy cellulose board, etc. These materials conduct heat efficiently and can be rotated at high speeds without damage while in operation. In addition, they have good insulating properties and can prevent electrical short circuits. Fan blades made of plastic are light, wear-resistant, and corrosion-resistant, and are usually used in household appliance cooling fans.

3. Performance of fan blade

The performance of cooling fan blades depends on factors such as the material, size and shape of the blades. Generally speaking, the more complex the shape of the fan blade, the better the heat dissipation performance. In addition, the size of the fan blade will also affect the heat dissipation performance. Generally speaking, the larger the fan blades, the better the cooling effect, but this also means that the fan will be larger, heavier, and will take up more space. Therefore, when selecting a cooling fan, various factors need to be considered in order to select a cooling fan with the most suitable number of blades according to actual needs.

Guangdong Chungfo Electronic Technology Co., Ltd. is a professional cooling fan manufacturer dedicated to the equipment cooling needs of various industries. We can provide professional customization of cooling fans according to customer needs. If you have needs in this area, please feel free to contact us.

The cross flow cooling fan impeller is multi blade type. The shape is long cylindrical, with front multi wing blades. When the impeller rotates, the air flow enters the blade column from where the impeller is opened. The volute is discharged from the blade column on the other side through the impeller to form the working air flow. This is a brief introduction and working principle of the cross flow fan. Next, let's understand the characteristics and application fields of the lower cross flow fan.

Features of cross flow fan:

1. The cross flow cooling fan uses a long barrel fan impeller to work, and the diameter of the barrel fan blades is relatively large. Because of the large diameter, on the basis of ensuring the overall air circulation, a relatively low speed can be used to reduce the noise caused by high-speed operation.

2. The cross flow fan blades have been carefully designed to make the distance between the blades disorderly, presenting a situation of "unequal spacing". This irregular distance phenomenon can make the audio produced by the wind wheel and the air irregular, thus becoming a piece of wind noise rather than a noise concentrated on a certain audio segment. Obviously, this broadband noise is close to the state of nature, so it will not sound so upset.

3. Considering that the whole blade of cross flow fan is not in a straight line, but is sagging in the middle. If inferior materials are used to manufacture the fan blades, although it can help enterprises reduce costs, obvious deformation is likely to occur. In this case, it can be imagined that the noise of drooping fan blades during high-speed operation is terrible, and will also lead to extremely obvious vibration.

There are many types of cross flow fans on the market, such as DC cross flow fans and AC cross flow fans. Cross flow cooling fans are also widely used in air purifiers, wine coolers, fireplaces, refrigerators, solariums, subways, combine harvesters and other equipment.

If you are looking for mini cross flow fan wholesale, please feel free to contact us.