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辨别石英表是否需要换电池的方法：
提前预知自己的石英手表快该换电池了，也是为了防止一旦电池电量用尽，手表停走而给我们佩带使用上带来麻烦。
那么如何发觉石英手表需要更换电池了?有以下几点：
① 现在的石英手表一般都有电池寿命指示功能。
② 进口手表在购买时表后盖的不干胶上都注明了下次换电池的日期。
③ 手表突然出现走慢或时走时停的情况。
④ 数字显示的手表显示黯淡，有闹响功能的响闹的时候数字显示消失。
一定要注意，更换电池应该按规定换原型号，也不能试图用充电或火烤的方式去恢复旧电池的电力。如果手表出现总是频繁的需要更换电池的情况，就要检察手表的电路是否存在问题了。
延长电池寿命的方法：
石英手表的电池使用寿命主要取决于2个因素：电池的容量和手表机芯电路的功耗。因此，电池的容量越大，电路的功耗越小，则电池使用寿命就越长。
以下是延长电池寿命的方法：
① 晚上脱下手表一定要把它水平放置才好;
现在的石英手表电路都是变脉宽的，而电路的功耗的电路脉宽输出有直接关系，脉宽越大则功耗也越大，通常手表在换日历的时候或垂直位置放置时候，电路给步进马达脉冲输出将变大，所以晚上脱下手表一定要把它水平放置才好。
② 手表不能长期放置在暖气附近，和有任何热源的地方;
任何半导体硅材料对温度都很敏感，温度越高，工作电流就越大。因此手表不能长期放置在暖气附近，和有任何热源的地方。
③ 避免手表长期暴露在强烈阳光下面;
任何半导体硅材料对光线都很敏感，特别是阳光，尤其以液晶显示或者液晶显示 指针显示类型的石英手表为代表，因为光线有可能会透射到手表电路上，这样有增加电路功耗的可能，所以要避免手表长期暴露在强烈阳光下面。
④ 让手表尽量远离潮湿环境;
潮湿的环境对石英手表危害比较大，因为手表没有**密封的，一旦水气或潮湿的空气进入表壳内，视其程度，严重的会锈蚀钢质零件，至少也会极大的增加手表的电路耗电。
⑤ 减少使用腕表附加功能的次数。
凡是有电动指针调节、带闹、带灯光、海拔、温度、指南等等附加功能的手表，都应该尽量减少使用的次数，特别是闹响和灯光的功能，它的耗电量数千倍的大于手表正常的耗电量。
所以，更换电池的时候就要挑个牌子好质量好的电池，注意平时佩戴手表的环境要求。无疑，只有这样才能使电池的使用寿命得到延长。
1, to identify whether the need for a battery of quartz table method:
in advance to predict their own quartz watch fast for the battery, but also to prevent the battery power is exhausted, the watch stopped to bring us trouble wearing.
so how to find quartz watch the need to replace the battery, there are the following:
quartz watches are now generally have battery life indicator function.
imported watches in the purchase of the back cover of the table are marked on the next date for the battery.
watch sudden walk slowly or stop when the situation.
The
digital display watch display is dim, alarm and alarm function when the digital display disappears.
by the way, the replacement of the battery should be in accordance with the provisions of the original model, can not try to use a charge or fire baked way to restore the power of the old battery. If the watch is always frequent need to replace the battery case, it is required to have a problem with the circuit of the prosecution watch.
2, to extend the battery life of the method:
quartz watch battery life depends mainly on 2 factors: the battery capacity and power consumption of the watch core circuit. Therefore, the greater the capacity of the battery, the smaller the power consumption of the circuit, the longer the battery life.
following is a way to extend battery life:
take off the watch at night must put it at the level of the level is good;
Quartz watch circuit
are variable pulse width, and pulse width of the output circuit is directly related to the power consumption of the circuit, the pulse width of the greater the power consumption is larger, usually watch placed when changing the calendar or the vertical position, the circuit for step motor pulse output will be larger, so the night off to watch it was placed horizontally.
II watch can not be placed in the vicinity of heating, and there is any heat source place;
any semiconductor silicon material is very sensitive to temperature, the higher the temperature, the greater the working current. Therefore, the watch can not be placed in the vicinity of heating for a long time, and there is no source of heat.
to avoid the watch for a long time exposed to strong sunlight;
any semiconductor silicon materials are very sensitive to light, especially sunlight, especially in the LCD display or LCD display type pointer quartz watch as the representative, because the light is likely to watch the transmission circuit, it may increase the power consumption of the circuit, so to avoid a watch in the strong sunlight following long-term exposure.
let the watch as far away from the humid environment;
humid environment is relatively large quartz watch because the watch is absolutely no harm, once sealed, moisture or moist air into the case, depending on the degree of serious corrosion of steel parts will, at least it will greatly increase the power consumption of the circuit of the watch.
and reduce the number of additional functions using the watch.
all electric pointer adjustment, alarm, lighting, temperature, altitude, guidelines and additional features of the watch, should minimize the use of the number of times, especially the alarm and lighting function, the power consumption of thousands of times greater than normal power consumption watches.
so, when the battery is to pick a good quality of the battery, pay attention to the usual environmental requirements to wear watches. No doubt, only in this way can the battery life be extended.
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