電連接器接觸件的插拔和溫升特性
[Abstract]:Too large contact pressure or too small contact pressure of electrical connectors will lead to difficult to plug or too large contact resistance, and eventually lead to contact failure. In order to improve the contact reliability of an electrical connector, the plugging characteristics and temperature rise characteristics of an electrical connector contact are studied. ABAQUS software was used to simulate the insertion force and temperature rise of the contact parts. The effects of the structure parameters of the contacts on the insertion force and the temperature rise were studied, including the angle 偽 of the projectile tongue and the gap 未 between the projectile and the tongue support, as well as the influence of the traverse cross section S and the current on the temperature rise. The change of insertion force and temperature rise was studied by experiment. The results show that when 未 = 0.12 mm, the insertion force increases with the increase of 偽, when 未 = 0.18 mm, the insertion force increases first and then decreases with the increase of 偽. The temperature rise of the contact increases with the increase of the current and decreases with the increase of the cross-sectional area of the conductor. The experimental results of insertion force and temperature rise are in agreement with the simulation results. Considering the insertion and temperature rise, the optimum parameters of the product are as follows: the gap tongue support 未 = 0.12 mm, projectile angle 偽 = 15 擄.
【作者單位】: 鄭州大學(xué)機(jī)械工程學(xué)院∥抗疲勞制造技術(shù)河南省工程實(shí)驗(yàn)室;華南理工大學(xué)表面功能結(jié)構(gòu)先進(jìn)制造廣東普通高校重點(diǎn)實(shí)驗(yàn)室;
【基金】:國家自然科學(xué)基金資助項(xiàng)目(51305408) 河南省高等學(xué)校重點(diǎn)科研項(xiàng)目(15A460029) 中國博士后科學(xué)基金資助項(xiàng)目(2015M582199) 鄭州大學(xué)青年骨干教師資助計(jì)劃項(xiàng)目~~
【分類號(hào)】:TM503.5
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