| abstract |
The present invention provides a kind of service-strong signal amplifying apparatus,Including installs case and the signal amplifier in installs case and power supply module,Power supply module is electrically connected with signal amplifier,Power supply module includes power supply adaptor and accumulator,Power supply adaptor is electrically connected with two external power supplies simultaneously,Accumulator is electrically connected with power supply adaptor,Storage circuit and fling-cut switch are equipped in power supply adaptor,Fling-cut switch can switch two external power supplies,So that when the failure of one of external power supply cannot power,Another external power supply can continue as signal amplifier power supply,When two external power supplies cannot power simultaneously,Storage circuit is that signal amplifier is powered at the first time,Then accumulator is that signal amplifier continues to power,Ensure that signal amplifier is always maintained at normal operating condition,Do not have the break period,So that the use of signal amplifying apparatus is reliable. |