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機(jī)箱機(jī)柜減震設(shè)計要注意什么?

發(fā)布時間:2021-12-10 來源:http://j1bl.cn/ 瀏覽量:

機(jī)箱機(jī)機(jī)柜的機(jī)械條件主要指的是在電子設(shè)備中使用的運(yùn)載工具不相同條件下,離心加速度,沖擊和振動的機(jī)械動作。機(jī)械條件的影響主要是在電子設(shè)備組件得電氣參數(shù)、變化的電子元件,結(jié)構(gòu)損傷,變形虎斷裂失效。
The mechanical conditions of the cabinet mainly refer to the mechanical actions of centrifugal acceleration, impact and vibration under the conditions of different vehicles used in electronic equipment. The influence of mechanical conditions is mainly in the electrical parameters of electronic equipment components, changing electronic components, structural damage, deformation, fracture and failure.
1.降低振源強(qiáng)度
1. Reduce vibration source strength
高速操作的電子設(shè)備,為了有效地保證其動態(tài)平衡,可以通過減少生成不平衡位置振動,從而達(dá)到減震能力;對于艦載天線,可以把它的迎風(fēng)面積優(yōu)化設(shè)計,減少面積大小,從而減少風(fēng)荷載減少振動;雷達(dá)電子設(shè)備、旋轉(zhuǎn)等將和相關(guān)組件的生產(chǎn)軸承摩擦振動,有效緩沖設(shè)計需要配置精密軸承,從而減少摩擦。
For high-speed electronic equipment, in order to effectively ensure its dynamic balance, the damping capacity can be achieved by reducing the vibration of unbalanced position; For shipborne antenna, its windward area can be optimized to reduce the area, so as to reduce wind load and vibration; Radar electronic equipment, rotation, etc. will have friction and vibration with the production bearings of related components. The effective buffer design needs to be equipped with precision bearings to reduce friction.
2.通過對減振體進(jìn)行消振來進(jìn)行減震設(shè)計
2. The damping design is carried out by eliminating the vibration of the damping body
對于振源體產(chǎn)生的激振抑制效果不好或者是無法完成時,可以對減振體實施特殊設(shè)計,從而有效地完成消震。如特種設(shè)備安裝特殊裝置在彈簧減振器,它可以有效地吸收減少振動相互作用和減振體產(chǎn)生的動能來源,減少振動源的振動強(qiáng)度。
 濟(jì)南機(jī)箱機(jī)柜
When the excitation suppression effect produced by the vibration source body is not good or can not be completed, the vibration absorber can be specially designed to effectively complete the vibration elimination. If special equipment is installed with special devices in the spring shock absorber, it can effectively absorb and reduce the vibration interaction and the kinetic energy source generated by the shock absorber, and reduce the vibration intensity of the vibration source.
3.可以通過隔離的懸架設(shè)計,即振動和減振源之間,插入襯墊達(dá)到減震效果,需要確保相應(yīng)的柔軟性,這樣的振動源振動時將會發(fā)生變形,以減少振動強(qiáng)度。在電子設(shè)備中常用的襯墊為阻尼板。和具體實施方案,需要進(jìn)行力學(xué)分析,以及各個組件之間明確物理機(jī)制分析,以便采取合適的懸掛方法。同時需要每個結(jié)構(gòu)參數(shù)和懸架性能計算方法和定量數(shù)據(jù),確定結(jié)構(gòu)參數(shù)。
3. The damping effect can be achieved through the isolated suspension design, that is, insert the pad between the vibration and damping source. It is necessary to ensure the corresponding softness. Such vibration source will deform when vibrating to reduce the vibration intensity. The pad commonly used in electronic equipment is damping plate. And the specific implementation scheme, it is necessary to conduct mechanical analysis and clear physical mechanism analysis between various components, so as to take appropriate suspension methods. At the same time, each structural parameter and suspension performance calculation method and quantitative data are required to determine the priority structural parameters.
工業(yè)設(shè)計師在設(shè)計過程中,要把日常的設(shè)計經(jīng)驗積累運(yùn)用起來,電氣或機(jī)械設(shè)備本質(zhì)核心是機(jī)械功能,他的外表是給人的展現(xiàn)方式,在功能上與外觀之間還需要進(jìn)行結(jié)構(gòu)的合理設(shè)計才能讓機(jī)械設(shè)備設(shè)計出來的機(jī)械產(chǎn)品風(fēng)格更加鮮明。
In the design process, industrial designers should accumulate and apply their daily design experience. The essential core of electrical or mechanical equipment is mechanical function, and his appearance is a way to show people. In order to make the mechanical product style designed by mechanical equipment more distinctive, it is also necessary to carry out reasonable structural design between function and appearance.
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