2023.09.19 Customer Annual Factory Audit_Industry Trends_News & Events

中文

19 2023-09

　　Today, the Topband visited our factory for the annual factory audit. The company is a global leading provider of intelligent control technology, we have established a partnership with them for more than 15 years."

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September 09,2023

Incorrect Application of Current Chip Fuses.motorsport fuse and relay box

　　　　Usually, the occurrence of circuit board fire accidents is related to the failure of the varistor to disconnect from the circuit in a timely manner, resulting in varying degrees of short circuits in the system power supply. Below, I will share with you the drawbacks of using a single patch fuse current protection method to deal with the failure of the varistor, and propose that the best protection method for the failure of the varistor is over temperature protection.　　Zinc oxide varistor MOV is a polycrystalline semiconductor ceramic component made by a typical electronic ceramic process with zinc oxide as the main body and various metal oxides added. MOVs have a unique grain boundary structure. Under a certain electric field, the conduction of grain boundaries changes from hot electron emission conduction to electron tunneling conduction, and their resistance value sharply decreases with the increase of voltage. They have excellent nonlinear volt-ampere characteristics. Therefore,

November 09,2023

bunn coffee maker thermostat replacement.Precautions for Selecting Chip Fuses

　　　　With the development of highly integrated electronic products such as digital cameras, laptops, and smartphones, and the urgent need for factories to adopt full automation to reduce high labor costs in the market environment. Chip fuses are widely used in overcurrent protection applications, but due to differences in technology, they have different advantages compared to plug-in self recovery fuses. At the same time, chip fuses also have some of their own weaknesses. So there are some things to pay attention to when selecting SMD fuses: 1 Maintain current. When selecting a type, it is necessary to determine the normal current of the circuit to select the corresponding model of SMD fuse. Maintaining current needs to be equal to or similar to the normal working current of the circuit Action current. When selecting the protected current, the operating current of the patch fuse should be less than or equal to the current that needs to be protected in the protected circuit. 3. Withstand

November 01,2023

Electric vehicle malfunctions due to lack of fuses or diodes

　　　　With the development of life, electric vehicles have also become popular. In order to facilitate people's travel, many families have started to use electric vehicles, which are convenient and affordable. However, there are still many unknown problems that arise during use. Today, the editor will briefly talk about the structural issues of electric vehicles.　　Accidents involving spontaneous combustion or even explosions in electric vehicles occur from time to time. If the cause of external open flames is excluded, the only reason for electric vehicle fires is a short circuit. Any short circuit in the battery, charger, or other components will turn the electric vehicle into a powder keg! How to solve it? (Related knowledge: What is the relationship between fuse material and fuse failure?)　　Installing a "fuse or diode" for an electric vehicle is the simplest solution, as the fuse or diode serves as a short-circuit protection. Someone has conducted experiments on an electric vehicle wi

August 09,2024

Experience in selecting self recovering fuses

　　　　Do you have any good experience to share in selecting self recovering fuses? Self recovery fuse is an overcurrent electronic protection component, which is made of high molecular weight organic polymers under high voltage, high temperature, and sulfurization reaction conditions, mixed with conductive particle materials, and processed through special processes.　　The main function of a self-healing fuse is to provide overcurrent protection in electrical appliances. Therefore, self recovering fuses have parameters such as withstand voltage, withstand current, maintain current, and action time. Therefore, it is necessary to choose a suitable self recovery fuse based on the voltage, current, and protection current of the product used.　　The selection method for self recovery fuses is as follows:　　Firstly, determine the maximum ambient temperature, operating current, maximum operating voltage, required protection current, and action time parameters for the protected circuit to operate nor

August 12,2023

Don't confuse these two important concepts when choosing a fuse.automotive fuse box

　　　　Is the melting value of a fuse important? In short, this is important.　　This melting value is to ensure that the heat generated through the fuse during a surge does not have enough time to transfer heat from the fuse to the external circuit. Once the current I and time t are measured, the hot melt value I2t can be easily calculated. After the fuse is blown, it will generate an arc before opening.　　For fuses, they can have the same rated voltage and current, as well as the same rated breaking capacity, in the same response time category (slow, medium, and fast). However, there are many options for hot melt values.　　Basically, the higher the hot melt value, the longer the fuse will blow, or the greater the surge that the fuse will withstand before it blows. This is different from the breaking capacity of a fuse, which refers to the greater current that the fuse can withstand at a specified voltage before breaking the circuit or generating an arc. If the glass tube of the fuse breaks,

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2023.09.19 Customer Annual Factory Audit

19

2023-09