Wireless power supply device and use method thereof
A technology of wireless power supply and receiving device, which is applied in the direction of circuit devices, electrical components, electromagnetic wave systems, etc., and can solve problems such as large environmental impact and unstable power supply
Inactive Publication Date: 2011-11-23
NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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[0006] Aiming at the disadvantages mentioned in the above-mentioned background technology that the existing field power supply device is greatly affected by the environment and the power supply is unstable, the present invention proposes a wireless power supply device and its use method
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[0019] The preferred embodiments will be described in detail below with reference to the accompanying drawings. It should be emphasized that the following description is exemplary only, and is not intended to limit the scope of the invention and its application.
[0020] The invention provides a wireless power supply device for inductively obtaining energy from high-voltage transmission lines. The device uses the principle of electromagnetic induction to obtain energy from high-voltage transmission lines and charges through wireless technology, so that field monitoring equipment can obtain long-term stable power supply; the wireless power supply It can obtain energy near overhead transmission lines under any environmental and temperature conditions and supply power to field monitoring equipment, without causing any safety impact on high-voltage transmission lines.
[0021] As the monitoring equipment of the transmission line, it is generally placed near the high-voltage transm...
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The invention discloses a wireless power supply device and a use method thereof in the technical field of wireless power supplies. The wireless power supply device comprises a transmitting device and a receiving device; the transmitting device comprises a current transformer, a first rectifying circuit, a high-frequency oscillator and a high-frequency energy transmitting coil; the receiving device comprises an energy receiving coil, a second rectifying circuit and a direct current output circuit; the current transformer is sleeved on a power transmission line and generates electric energy through electromagnetic induction, and the electric energy is rectified into direct current through the first rectifying circuit; the direct current is input into the high-frequency oscillator to generate high-frequency oscillating signals which are transmitted to the receiving device through the high-frequency energy transmitting coil; and the receiving device converts the high-frequency oscillating signals into direct current through the high-frequency oscillating signals after receiving the high-frequency oscillating signals, and the direct current is output to a power utilization device through the direct current output circuit. According to the invention, the direct current can be output in a wireless manner without contact with high-voltage power, and the wireless power supply device is insusceptible to environment, weather, temperature and other factors.
Description
technical field [0001] The invention belongs to the technical field of wireless power supplies, and in particular relates to a wireless power supply device and a method of using the same. Background technique [0002] At present, due to the problem of power supply of field equipment, the monitoring equipment of transmission lines are generally placed in substations, such as line protection devices. For the image monitoring equipment of power transmission lines, such as cameras and corresponding signal processing equipment, the problem of outdoor power supply must be solved. [0003] The existing methods of power supply for equipment in the wild mainly include: solar power, wind power, battery power, etc. Solar and wind power are widely used as clean energy. [0004] The solar power supply device includes solar cell components (converting the radiant energy of the sun into electrical energy, or sending it to the battery for storage, or driving the load to work), solar contro...
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Inventor 高强余萍
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)