Wat is de grootste vijand van EV -batterijen van elektrische voertuigen? Extreme temperaturen.
Lithium-ionbatterijen presteren het beste in een temperatuurbereik van 15-45 ℃. Temperaturen boven deze temperatuur kunnen de batterij ernstig beschadigen, terwijl lagere temperaturen de output van de batterijcellen kunnen verminderen, waardoor het bereik en het beschikbare vermogen wordt verminderd.
As the EV electric vehicle market grows, the EV temperature sensor Cable harness market will also grow with it. The reason is simple: just like vehicles with internal combustion engines, electric vehicles require high-performance and accurate temperature detection and sensor technology to ensure performance and safety.
“Charge for 5 minutes and travel 300km”, this sounds familiar, but this time the protagonist is Huawei, and Huawei’s recently launched super-fast charging pile is far ahead again. Huawei’s fully liquid-cooled super-fast charging pile adopts advanced liquid cooling technology, with the characteristics of efficient heat dissipation, fast charging, veiligheid en betrouwbaarheid.
Thermocouples are a commonly used temperature sensor based on the thermoelectric effect between two different metals. Thermocouples have a wide measurement range and good stability, and are suitable for temperature measurement in high temperature environments. Pellet stoves usually need to measure higher temperatures, so thermocouples are a common choice. Common types of thermocouples include K-type, N-type, and S-type, which can provide accurate temperature measurement in different temperature ranges.
Metalen thermische weerstanden zoals nikkel, copper and platinum resistors have a positive correlation with the change in resistance with temperature. Platina heeft de meest stabiele fysische en chemische eigenschappen en is het meest gebruikt. The temperature measurement range of the commonly used platinum resistor Pt100 is -200～850 ℃. In aanvulling, the temperature measurement ranges of Pt500, Pt1000, enz. zijn achtereenvolgens verminderd. Pt1000, temperature measurement range -200～420 ℃. Volgens de IEC751 International Standard, De temperatuurkarakteristieken van de platina -weerstand PT1000 voldoen aan de volgende vereisten:
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