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                Everybody is moved start work will come loose for jotter hot

                来源: 作者:Stand originally 时间:2008-12-25 Tag: 点击:
                Everybody knows, the calorific component in general notebook computer is mixed besides CPU, hard disk outside memory bar, still have indication screen tube, but the biggest heat source remains CPU.
                CPU come loose heat basically uses aluminium board to come loose hot structure imposes exhaust fan kind, the canal of red copper heat conduction that has medium of embedded heat conduction still may be embedded on aluminium board of course, with the speed that will accelerate CPU quantity of heat to be delivered outwards, of aluminium board below still contain small-sized exhaust fan, will the hot air all round aluminium board is blown. Additional, the keyboard that most notebook computer still uses crust to perhaps contain aluminium to make motherboard serves as auxiliary medicinal powder hot method.

                Notebook computer comes loose hot control principle such: Monitor the temperature of CPU through temperature sensor, when temperature reachs critical value, medicinal powder sirocco fan is started, pass heat conduction the one-way cavity of aluminium board, will hot air is blown, pass compulsive loop wind, drop temperature. Monitor CPU temperature to be reduced when temperature sensor after critical value is the following, fan stops turn, want a system to move only, this loop process undertakes all the time. According to this principle, if aluminium board comes loose thermal efficiency is enough tall, can send out completely the quantity of heat that CPU gives out, the temperature that makes temperature sensor is monitored is worth the critical value under set, criterion fan won't be started. The time that starts like fan decreases greatly, noise also will be reduced greatly, such not only can prolong fan life, also can reduce the possibility that the system malfunctions at the same time.

                The author has computer of a notebook, after using period of time, want workload only one big, fan is started immediately, want to move for a long time to just stop, that noise makes popular feeling irritated really, then the decision starts work well transform one time.

                The first pace: Withstand with petty screwdriver above all the checkpost of clavier upper part, lift clavier gently.

                Can see whole machine at this moment medicinal powder hot part, one when be pressed on CPU casts aluminium board, the red copper that there is squash of a bent above is in charge of, stick embed it is in the groove of aluminium board, one aspect of the matter is in CPU upper part, another end is outspread arrive medicinal powder of hot mouth most outside upright. According to check and be being used of the author, this design that discovers manufacturer comes loose to rising hot effect effect is very little, when because become,quantity of heat accumulates certain level, the temperature that this radiating tube follows aluminium board is same, cannot form big difference in temperature. Fan won't reduce the number of open accordingly.

                The 2nd pace: According to the literal mark on heat sink, will fixed bolt the ordinal and ordinal debus according to 1-3-2-4. The end that such doing is the brim that prevents to crush CPU because of pressure disequilibrium.

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