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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November 04,2024

The Role of Current Fuses in Smart Meters

　　　　Current fuses play a vital role in smart meters. Firstly, they provide protection against overcurrent events. Smart meters are used to measure and manage electricity consumption accurately. However, electrical circuits can sometimes experience sudden surges in current due to various reasons such as power outages and subsequent restoration, short circuits in the electrical grid, or the malfunction of connected electrical appliances. The current fuse in the smart meter acts as a safeguard by interrupting the circuit when the current exceeds a safe level. This prevents damage to the sensitive electronic components inside the smart meter, which are essential for accurate measurement and communication. Without the fuse, an overcurrent event could potentially damage the circuitry, leading to inaccurate readings or even complete failure of the smart meter. Secondly, current fuses in smart meters help to ensure the safety of the overall electrical system. In case of a fault in the downstre

September 21,2023

Selection process of fuses.outboard motor thermostat stuck open

　　　　1. Safety certification: Determine the safety certification of fuses based on the required safety certification for the entire machine, such as UL or IEC specifications. 2. Structural size: The size is determined based on the space in the circuit design, such as length, diameter, and whether there are leads. 3. Rated voltage: It must be greater than or equal to the actual application voltage, generally including 24V, 32V, 63V, 125V, 250V, etc. 4. Breaking capacity: should be greater than the maximum fault current in the circuit. 5. Rated current: Based on the following items: (1) Normal working current, the rated current of UL specification fuses operating at 25 ℃ is ≥ normal working current/0.75; The rated current of IEC standard fuses is ≥ normal working current/0.9. (2) Environmental temperature: The current carrying capacity test of a fuse is conducted under the ambient temperature of 25 ℃. The higher the ambient temperature, the shorter the lifespan of the fuse, and the lower

November 09,2023

temperature balancing mattress protector.The difference between fast break patch fuse and slow break patch fuse

　　　　The main difference between slow fuse and fast fuse is its ability to withstand instantaneous pulse current, which means that it can resist the impact of surge current when switching on and off, thereby ensuring the normal operation of the equipment. Therefore, slow fuse is often referred to as surge resistant fuse. From a technical perspective, slow melting fuses have a large melting heat value of I2t, and the energy required for fuse melting is relatively high. Therefore, for fuses with the same rated current, slow melting has a much stronger ability to withstand pulses than fast melting.　　Due to the fact that the I2t of a slow fuse is larger than that of a fast fuse of the same specification, the fusing time in the event of overcurrent in the circuit will also be slower than that of a fast fuse. Is it possible that the protection performance may be worse than some people are concerned about? We said no! Because once a circuit malfunctions, the overcurrent will not disappear on i

August 10,2023

Will the self-healing fuse age.lighting fuse rating

　　　　The raw materials of self restoring fuses are not prone to aging themselves. The aging condition of the self-healing fuse device is due to the close connection between the metal electrodes on both sides of the device and the raw materials of the self-healing fuse. By multiple actions, the resistance of the self restoring fuse will be higher than the original resistor. When the resistance value exceeds the main parameter R1max of the resistor after a large action, the fault indicates that the manufacturer cannot ensure that the machine equipment does not operate while maintaining the current IH.　　The raw materials of self restoring fuses are not prone to aging themselves. The aging condition of the self-healing fuse device is due to the close connection between the metal electrodes on both sides of the device and the raw materials of the self-healing fuse. The self recovery fuse has strict requirements for rolling process operation, ensuring that the performance of the self recovery

August 16,2023

Essential knowledge points for using fuses.motor fuse calculator

　　　　In a switching power supply circuit, the power input terminal generally uses a regular fuse (fuse, fuse resistance) in series with the circuit of the power input terminal. When an overcurrent fault occurs in the power circuit, the fuse will blow, disconnecting the power input circuit to avoid damaging large components. The markings on the circuit board are generally fuses, similar to resistance markings, but the terminal leads pass through a rectangular box (resistance markings do not pass through). I'm not saying you don't have this ability, but electricity is very dangerous. The fuses are all on the side of the mains. If you accidentally turn on the power, and if the machine's malfunction is not resolved, you will replace the fuse, which is likely to explode again. If the fixed value of the fuse you replace is too large, it is not a fuse.　　The fuse has a resistance value. In fact, there is resistance to the wire, but the resistance of the wire is very small (the nature of the wir

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2023.09.19 Customer Annual Factory Audit

19

2023-09