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Company Profile

Capital Technology Co., Limited is the chief agent of SANYO DENKI, one of the leading enterprises of the cooling fan industry. We are a factory who also have our own independent brand CAPITAL product series. The main products are cooling fan, DC/AC fan, radiator, filter, reactor etc. 
Adhering SANYO DENKI nearly a hundred years brand value and the pursuit of quality, and based on CAPITAL more than ten years of professional experience in cooling solution, we now have professional manufacturing capacity with a group of engineers who with many years of cooling products work experience are CAPITAL advantage. 

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NEWS

The reason why the cooling fan suddenly does not turn

The reason why the cooling fan suddenly does not turn 1. Power failure: If the power supply of the fan fails, such as disconnecting the power cord or loosening the power plug, it can cause the current to not be transmitted normally, resulting in the fan stopping running. 2. Low temperature: Some heat dissipation windbreakers have temperature protection function. When the temperature is too low, the fan will automatically stop working to avoid excessive cooling. This usually occurs in low-temperature environments, such as winter or air-conditioned environments. 3. Lubricating oil drying up: It is possible that the lubricating oil has dried up. Try to rotate the fan with your hand. If there is any sign of slight movement or if you feel that the rotation resistance is very high, it indicates that the fan is not a problem. However, if the lubricating oil has dried up, remove the fan. Generally, there is a sticker on the opposite side, and when you remove it, you can see the fan shaft. Add some lubricating oil such as engine oil, Then rotate the fan a few more times by hand, feeling that there is no resistance or the resistance is very small, and reinstalling it can almost solve the problem. 4. The speed has not reached the normal speed required for operation 5. Fan controller failure: Some advanced cooling fans are equipped with controllers. If the controller fails, such as burning out the circuit board or damaging circuit components, it can cause the fan to stop running. 6. Overload protection: When the cooling fan is working, if the load is too large, such as in case of overclocking or overvoltage, the fan power current may exceed the rated value, which will trigger overload protection and the fan will stop rotating to protect the circuit. 7. Not paying attention to cleaning and maintenance: Due to the environment where the cooling fan is located being dusty or used for a long time, and we do not clean it very much, it is very likely that the power supply of the cooling fan cannot rotate due to excessive dust. This is mainly because as the dust increases, the internal heat accumulation of the cooling fan also increases, leading to poor internal heat dissipation of the power supply and unstable power supply, The fan speed is also unstable, so it is important to maintain the cooling fan and regularly clean it. There are many reasons why the cooling fan does not turn. It may be an external cause of the cooling fan, or it may be a malfunction or damage caused by the cooling fan during operation. If the cooling fan suddenly does not turn, it is recommended to check whether the power connection is normal, whether the power supply provides sufficient voltage and current, and whether the fan has overload protection functions. If these are all correct, it may be necessary to check whether the fan itself has mechanical or controller faults, and further maintenance or replacement is needed. Before carrying out any repairs or replacements, it is recommended to refer to the relevant fan manual or consult a professional. Capital Technology Co., Limited is the chief agent of SANYO DENKI, one of the leading enterprises of the cooling fan industry. We are a factory who also have our own independent brand CAPITAL product series. The main products are cooling fan, DC/AC fan, radiator, filter, reactor etc. We can provide customer with the most professional and perfect technical support, welcome to contact me at anytime at rainlee@szcpt.com.
2023-05-29

How is the Sanyo cooling fan protected from corrosion?

How is the Sanyo cooling fan protected from corrosion? The key to using heat dissipation fans in industrial production is to perform tasks such as heat removal, cooling, and ash removal for large and medium-sized production line equipment. The natural environment of general industrial production is very complex, and in order to increase its service life, cooling fans must be treated with certain measures, such as the most common anti-corrosion. For example, if the cooling fan experiences oil leakage and oil spillage, today we will provide a detailed introduction to how the cooling fan can prevent corrosion for everyone 1、 Surface treatment of heat dissipation fans: The surface prevention and treatment of heat dissipation fans are generally carried out through methods such as galvanizing, chromium plating, chemical plating, etc. This method is reasonable in many natural environments, but for rotating parts, it must be carefully selected. As the substrate material and coating are two different materials, their linear expansion coefficient is different, which will cause different deformation variables during the elastic deformation of the rotating part, leading to many micro cracks and accelerating the occurrence of corrosion. Therefore, people must choose appropriate materials and processes based on the specific application natural environment. 2、 Cooling fan development: The development of cooling fans is a manifestation of its key technology, which interferes with the fan's service cycle and ensures the safety factor of the fan's application. The architectural design of the cooling fan is most likely to accelerate the development of corrosion. The drawbacks are stress tendency and gap environment. Sometimes, although metal materials are immersed in solvents, the corrosion rate is relatively low; However, the generation of gaps, due to changes in the chemical and electrochemical conditions of the internal solvents, will result in severe crevice corrosion, which requires careful design. 3、 Raw materials for heat dissipation fans: There are certain differences in the raw materials used for different heat dissipation fans, and the actual corrosion resistance effect is also different. After selecting the cooling fan model, based on the corrosion resistance of different raw materials in different ring mirrors, key application environments, working compressive strength, and many other factors, the compressive strength of the raw materials for the parts is determined from a fundamental analysis. From the perspective of raw materials themselves, they are considered safe for the overall target raw materials. Capital Technology Co., Limited is the chief agent of SANYO DENKI, one of the leading enterprises of the cooling fan industry. We are a factory who also have our own independent brand CAPITAL product series. The main products are cooling fan, DC/AC fan, radiator, filter, reactor etc. We can provide customer with the most professional and perfect technical support, welcome to contact me at anytime at rainlee@szcpt.com.
2023-05-24

Cooling fan frame size

Cooling fan frame size The size of the cooling fan frame refers to the size of the outer frame. It is usually used to describe the overall size of the fan in order to confirm its suitable installation space when installing the cooling fan. The size of the outer frame usually consists of three parameters: length, width, and height (thickness). These parameters are usually expressed in millimeters (mm). For example, the outer frame size of a cooling fan may be 120mm x 120mm x 38mm, which means that the frame length of the cooling fan frame is 120mm, the width is 120mm, and the height (thickness) is 38mm, which is generally abbreviated as 12038. The size of the cooling fan is usually described by the outer frame size (i.e. the size of the shell), and common dimensions include: 1. 40mm x 40mm: 40mm is one of the smallest common sizes and is typically used for small computer devices such as ITX computers and embedded systems. 2. 60mm x 60mm: A 60mm sized fan is larger than a 40mm sized fan and is typically used for some small and medium-sized computers or other devices that require heat dissipation. 3. 80mm x 80mm: 80mm is a relatively small size, suitable for devices such as small computers or servers, and also suitable for IT projects that require compact cooling solutions. 4. 92mm x 92mm: 92mm is a size between 80mm and 120mm, which can provide moderate heat dissipation performance and is suitable for some small and medium-sized computers or servers. 5. 120mm x 120mm: 120mm is a common size that provides excellent heat dissipation performance and airflow, and is widely used in various computers, servers, chassis, and heat sinks. 6. A 140mm x 140mm fan can provide a larger heat dissipation area and air volume, which is even rarer compared to a 120mm fan. In addition, some cooling fans use non-standard sizes, such as 200mm, but these non-standard size cooling fans are usually less commonly used and have a narrow application range. The size of the outer frame is related to the heat dissipation performance and air volume of the cooling fan. Generally speaking, a larger outer frame size can accommodate more blades and larger bearings, providing greater heat dissipation capacity and improving heat dissipation efficiency. In addition, larger frame sizes typically provide greater airflow, thereby improving the cooling capacity of the cooling fan. However, a larger frame size can also make the cooling fan more bulky and occupy more installation space, so when choosing a cooling fan, it is necessary to weigh it according to the actual situation. In addition, for some cooling fans, their outer frame size may be related to their installation method. For example, some fans need to be fixed to the heat sink through screws, and the outer frame size of the fan needs to match the position and size of the installation holes. There are also some cooling fans whose outer frame size may match the specific chassis or heat sink design to ensure that the cooling fan can fully adapt to the design. Therefore, when choosing a cooling fan, it is necessary to understand the specific requirements of your device, including the size of installation space, installation method, chassis or heat sink design, etc., in order to determine the size of the cooling fan frame to ensure that the fan can fully adapt to your device. Generally speaking, larger sizes can provide better heat dissipation performance and airflow, but require more installation space. In actual selection, factors such as noise, power consumption, and price of the cooling fan also need to be considered. Capital Technology Co., Limited is the chief agent of SANYO DENKI, one of the leading enterprises of the cooling fan industry. We are a factory who also have our own independent brand CAPITAL product series. The main products are cooling fan, DC/AC fan, radiator, filter, reactor etc. We can provide customer with the most professional and perfect technical support, welcome to contact me at anytime at rainlee@szcpt.com.
2023-05-18

Comparison of Heat Dissipation Effects between SanAce Axial Fan and Fan

Comparison of Heat Dissipation Effects between SanAce Axial Fan and Fan As a commonly used heat dissipation device, fans are widely used in industries, machinery, electronics, construction, and other fields. Among them, axial flow fans and blowers are two common types, and their heat dissipation effect is one of the focuses of user attention. The question of which one has the best heat dissipation effect is explained as follows: Firstly, we need to understand the principles and characteristics of axial flow fans and blowers. Axial flow fan is a type of fan that achieves air delivery by generating axial flow, characterized by high air volume and low air pressure. Axial flow fans are usually used in situations that require a large amount of air circulation, such as air conditioning, cooling towers, industrial ventilation, etc. A blower is a type of fan that generates compressed air flow through the rotation of the impeller, characterized by low air volume and high air pressure. Fans are usually used in situations that require efficient heat dissipation in small areas, such as boilers, drying equipment, etc. According to the different characteristics of axial flow fans and blowers, their heat dissipation effects also have their own advantages and disadvantages. The first is the axial flow fan. Due to the large air volume and low air pressure of axial flow fans, they are suitable for cooling large areas. For example, in the cooling and ventilation of electronic equipment, axial fans are usually the best choice. Due to the ability of axial flow fans to provide a large amount of airflow, heat can be easily carried away and discharged outdoors. In addition, the axial flow fan has low noise, small volume, and long service life, which also provide convenience for its application in industrial and commercial fields. Next is the blower. Due to the small air volume and high air pressure of the blower, it is suitable for efficient heat dissipation of small areas. For example, in equipment such as boilers and ovens, a blower is usually the best choice. Due to the high-speed airflow provided by the blower, heat can be quickly carried away and discharged outdoors. In addition, the energy-saving effect of the blower is significant because the blower can adapt to actual needs by adjusting the rotation speed of the impeller. The blower also has the characteristics of simple structure and convenient maintenance, making it widely used in small equipment. However, in practical applications, the selection of axial flow fans and blowers is not very fixed. In some applications, both types of fans may be used simultaneously to achieve optimal heat dissipation. For example, in large cooling towers, axial fans and blowers can be combined to achieve better energy efficiency while ensuring heat dissipation. In addition to the type of fan, the heat dissipation effect is also influenced by other factors. For example, the size, speed, airflow speed, and heat dissipation area of a fan can all affect the heat dissipation effect. In addition, different application scenarios and requirements can also have an impact on the selection of heat dissipation equipment. In summary, both axial flow fans and blowers can be used for heat dissipation, and their heat dissipation effect is influenced by multiple factors, which need to be selected based on specific application scenarios and needs. Generally speaking, axial fans are suitable for heat dissipation in large areas, while blowers are suitable for efficient heat dissipation in small areas. However, in some special cases, both types of fans may be used simultaneously to achieve the best heat dissipation effect. Capital Technology Co., Limited is the chief agent of SANYO DENKI, one of the leading enterprises of the cooling fan industry. We are a factory who also have our own independent brand CAPITAL product series. The main products are cooling fan, DC/AC fan, radiator, filter, reactor etc. We can provide customer with the most professional and perfect technical support, welcome to contact me at anytime at rainlee@szcpt.com.
2023-05-15

The difference between SANYO DENKI dual reversing fan and ordinary two overlapping fans

The difference between SANYO DENKI dual reversing fan and ordinary two overlapping fans Dual Blade Reversible Heat Sink Fan is an innovative cooling fan commonly used for computer cooling, which is significantly different from traditional two overlapping cooling fans. The dual reverse cooling fan adopts a bidirectional rotation design, which can rotate in both clockwise and counterclockwise directions, effectively improving heat dissipation efficiency. There are some differences between dual reverse cooling fans and ordinary two overlapping cooling fans: 1. Design Principles From the design principle, there is a significant difference between a dual reverse cooling fan and a regular two overlapping cooling fan. The ordinary two overlapping heat dissipation fans adopt a general unidirectional rotation design, with only one direction of airflow, resulting in relatively poor heat dissipation effect. The dual reverse cooling fan adopts a bidirectional rotation design, which can rotate in both clockwise and counterclockwise directions, resulting in different airflow directions during heat dissipation and more effective cooling. This design principle enables the dual reverse cooling fan to better adapt to different heat dissipation needs and improve heat dissipation efficiency. 2. Heat dissipation efficiency From the perspective of heat dissipation efficiency, dual reverse cooling fans have higher heat dissipation efficiency. This is mainly due to the design of the dual reverse cooling fan, which allows it to generate airflow in different directions, allowing for faster heat removal. However, ordinary two overlapping cooling fans have only one direction of airflow, which cannot produce such an effect. Therefore, the heat dissipation efficiency of a dual reverse cooling fan is much higher than that of a regular two overlapping cooling fan. 3. Noise The design of a dual reverse cooling fan also has the advantage of low noise. Fan noise is a very important issue in computer cooling. Due to the need for high-speed airflow when two overlapping cooling fans rotate, the noise is relatively high. The dual reverse cooling fan, due to its use of a central motor and bidirectional rotation design, can adjust the airflow direction, thereby reducing the generation of noise and providing a quieter cooling environment. 4. Appearance design Compared to ordinary two overlapping cooling fans, the design of the dual reverse cooling fan is more compact and can better adapt to the space limitations inside the computer. This is very important for some compact computer devices. 5. Application scope Finally, from the perspective of application scope, the dual reverse cooling fan also has some limitations. Firstly, due to its special design, the cost of the dual reverse fan will be relatively high; Secondly, due to the complexity of the structure, the maintenance of fans will be more difficult than ordinary fans. Although dual reverse fans have some shortcomings, in practical applications, they can be applied to various devices that require heat dissipation. Whether it is a computer, laptop, server, or other equipment that requires heat dissipation, a dual reverse cooling fan can be used to improve heat dissipation efficiency. Especially in scenarios where efficient heat dissipation is required, the advantage of dual reverse cooling fans is more obvious. Capital Technology Co., Limited is the chief agent of SANYO DENKI, one of the leading enterprises of the cooling fan industry. We are a factory who also have our own independent brand CAPITAL product series. The main products are cooling fan, DC/AC fan, radiator, filter, reactor etc. We can provide customer with the most professional and perfect technical support, welcome to contact me at anytime at rainlee@szcpt.com.
2023-05-08

What is the impact of the fan blades of the SANYO DENKI cooling fan on its performance?

What is the impact of the fan blades of the SANYO DENKI cooling fan on its performance? I believe that we are all familiar with cooling fans. Nowadays, various devices are generally used. When purchasing a cooling fan, most users pay attention to its air volume, noise, power consumption, and other fan parameters. However, fan blade users rarely pay attention to it, and the parameter performance has been confirmed. However, we are not clear that the fan blade actually affects the performance of the cooling fan. Let's learn more about it one by one, How do the fan blades affect the performance of the cooling fan, and what about the doorways inside? 1. Smoothness of blades The smoothness of the cooling fan blades. If the blades are not smooth and flat enough, and the workmanship is rough, the cooling fan will generate turbulence during operation, increase friction, and therefore increase noise. This depends on the supplier's mold forming and post-processing technology. 2. Blade spacing If we pay attention, we will know that the blade spacing of narrow fan blades is generally relatively large, which leads to the dispersion of air flow and affects the airflow flow. Therefore, the heat dissipation performance of the fan is weakened, with insufficient air volume and air pressure. However, if the distance between the fan blades is too small, it will lead to uneven airflow, increase friction on the blade surface, and affect the fan speed. 3. Number of fan blades Generally, the fan blade structure of a heat dissipation fan is composed of odd numbers such as 5, 7, 9, 11, etc., because even numbers of fan blades are symmetrical, which not only makes it difficult to adjust the balance of the heat dissipation fan itself, but also easily causes resonance of the heat dissipation fan, which will cause the blades or shaft center to break. Therefore, all fan blades are composed of odd numbers, and increasing the number of fan blades under certain other parameters will result in more fan blades and more air output, The main reason is that the mountains divide the airflow into multiple parts, and the pressure of the airflow on the fan blades will also decrease accordingly. Therefore, the friction between the airflow and the mountains will also decrease, but the wind pressure will also decrease accordingly. 4. Blade inclination angle At the same speed, if the inclination angle of the cooling fan blades is greater, the wind pressure on the upper and lower surfaces of the blades will also be greater. If the surface pressure on the fan is too high, it may cause backflow and reduce the performance of the fan. So the inclination angle of the fan blades should also be reasonably designed. 5. Blade curvature Within a certain range, if the curvature of the cooling fan blades is larger, the kinetic energy of the gas will also be greater at the same speed, that is, the air volume and pressure will be greater, and the resistance of the blades will also be greater, requiring greater torque from the motor. 6. Blade radian In addition to having a certain curvature on the cross-section, the fan blades do not extend straight along the radial direction in the overhead plane, but rather slightly bend in the direction of rotation, forming a certain arc. If the blades extend straight along the radial direction, the airflow driven by the fan rotation will be scattered on one side of the air outlet, with a short supply distance and no concentration of "force"; If the current product version is slightly curved, it can ensure that the blown airflow is concentrated in the cylindrical space directly in front of the air outlet, increasing the supply distance and air pressure. Capital Technology Co., Limited is the chief agent of SANYO DENKI, one of the leading enterprises of the cooling fan industry. We are a factory who also have our own independent brand CAPITAL product series. The main products are cooling fan, DC/AC fan, radiator, filter, reactor etc. We can provide customer with the most professional and perfect technical support, welcome to contact me at anytime at rainlee@szcpt.com.
2023-05-05

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