Power supply method for power source of Beidou RDSS launching power amplifier powered by low-voltage battery or low-power power source
A power supply, low-power technology, applied in battery circuit devices, current collectors, electric vehicles, etc., can solve the problems of prolonging the standby time of Beidou RDSS transmitting power amplifier, and failing to transmit the Beidou RDSS transmitting power amplifier. The effect of reducing battery capacity requirements and extending standby time
Active Publication Date: 2016-04-20
CHENGDU GUOXING COMM
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Problems solved by technology
[0005] The purpose of the present invention is to overcome the deficiencies in the prior art, provide the Beidou RDSS transmitting power amplifier power supply method powered by low-voltage battery or low-power power supply, extend the standby time of Beidou RDSS transmitting power amplifier under the low battery voltage power supply situation, and solve the problem of low power The problem that the Beidou RDSS transmitting power amplifier powered by the power supply fails to launch
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[0019] The technical solution of the present invention will be further described in detail below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.
[0020] Such as figure 1 As shown, the Beidou RDSS transmitting power amplifier power supply method powered by a low-voltage battery or a low-power power supply includes the following steps:
[0021] S1: Turn on the power switch to power on the Beidou RDSS transmitting power amplifier, the system power circuit supplies power to the RDSS system, and the capacitor charging circuit charges the supercapacitor;
[0022] S2: When the supercapacitor is fully charged, the capacitor charging circuit no longer outputs current and stops charging the supercapacitor;
[0023] S3: If the RDSS system does not send a transmission control signal to the transmission power circuit, the transmission power circuit is in a stopped state;
[0024] S4: When the R...
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The invention discloses a power supply method for the power source of a Beidou RDSS launching power amplifier powered by a low-voltage battery or a low-power power source. The power supply method comprises the following steps: the switch of a power source is turned on to electrify a system, a system power source circuit supplies power to an RDSS system, and a capacitor charging circuit charges a super capacitor; when the super capacitor is fully charged, the capacitor charging circuit no longer outputs current; when the RDSS system sends a launching control signal to a launching power source circuit, the launching power source circuit makes the super capacitor provide power for a launching power amplifier; and after the super capacitor starts discharging, the capacitor charging circuit continues charging the super capacitor until the super capacitor is fully charged. By adding the super capacitor and the capacitor charging circuit to the launching power amplifier system, the requirement of the launching power amplifier for the power of the input power source and the capacity of the battery is lowered, the standby time of the launching power amplifier under the condition of power supply through low battery voltage is prolonged, and the problem that the launching power amplifier powered by a low-power power source fails to launch is solved.
Description
technical field [0001] The invention relates to the field of transmitting power amplifier power supply, in particular to a power supply method for Beidou RDSS transmitting power amplifier powered by a low-voltage battery or a low-power power supply. Background technique [0002] The Beidou positioning system RDSS can send text messages and active positioning. Both texting and positioning are intermittent transmissions, and there are frequency restrictions. The fastest frequency is 1 time per second, and the longest transmission time of a communication does not exceed 250mS. A positioning transmission time is less than 100mS. When transmitting, the power of the power amplifier power supply is relatively large. When the power supply voltage of the transmitter power amplifier of the handheld is 5V, the instantaneous current of the transmission is above 3A, which means that the power amplifier power supply must provide at least 15W of power at the moment of transmission. [000...
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IPC IPC(8): H02J7/00
Inventor 蒲文金
Owner CHENGDU GUOXING COMM