A straddle type monorail railway wireless power supply system
A straddle-type monorail and wireless power supply technology, which is applied in the direction of electrical components and circuit devices, can solve the problems of poor contact power supply safety, achieve the effects of increasing the coupling coefficient, enhancing mutual inductance coupling, and improving reliability and safety
Active Publication Date: 2018-08-10
SOUTHEAST UNIV
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Problems solved by technology
[0006] Purpose of the invention: In order to overcome the deficiencies in the prior art, the present invention provides a straddle type monorail railway wireless power supply system, which avoids the disadvantages of poor contact power supply safety in the prior art by adopting the wireless power supply method, and adopts positioning switching segment The way of power supply is beneficial to reduce the loss during wireless transmission of electric energy, improve efficiency, and solve the deficiencies in the prior art
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[0023] The present invention will be further described below in conjunction with the accompanying drawings.
[0024] The invention designs a straddle-type monorail railway wireless power supply system, which includes a power grid, a high-frequency inverter device, a radio transmitting device, a radio receiving device, a rectifying and converting device, and a locomotive load. According to the position of the train, connect the corresponding radio transmitting device to the circuit. The energy transmitting device is powered by the power supply, coupled with the receiving device located directly opposite the locomotive, picks up the energy from the distributed transmitting coil, regenerates the AC current in the receiving device, and passes through the power electronic device in the rectifying and converting device to generate Electrical energy used by locomotives to power loads.
[0025] Such as figure 2 As shown, the two-sided segmented distributed transmitting device is a ...
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The invention discloses a wireless power supply system for a straddle type monorail. The wireless power supply system mainly comprises a power grid, a high frequency inversion apparatus, a bilateral distributed sectional type transmitting apparatus, a bilateral distributed sectional type receiving apparatus, a rectifying conversion apparatus and a locomotive load. A magnetic coupling resonant type wireless electric energy transmission technology is adopted by the wireless power supply system; the bilateral distributed sectional type transmitting apparatus in the corresponding section is switched and controlled to be connected to a circuit through a switch according to the real-time position of electric locomotive; the bilateral distributed sectional type receiving apparatus and the transmitting apparatus are coupled to transmit electric energy; and then the electric energy passes through a rectifying conversion unit so as to further provide power for the locomotive. The wireless power supply mode is adopted, so that the shortcoming of low safety of a contact power supply mode can be avoided; the positioning-switching section type power supply mode is adopted, so that the loss in wireless electric energy transmission can be lowered, and efficiency is improved; and the bilateral receiving and transmitting technology is adopted, so that the transmission power can be increased to the maximum based on actual conditions of the monorail.
Description
technical field [0001] The invention relates to an engineering application system for wireless energy transmission on rail transit. In particular, it relates to a straddle type monorail railway wireless power supply system. Background technique [0002] There are many problems in the existing traffic system of our country's cities. For example, there are three outstanding aspects: serious congestion and congestion during peak hours, single traffic structure, and great impact on the environment. To fundamentally solve traffic problems, it is necessary to adjust the existing traffic structure and develop various rail traffic. As a medium-volume rail transit, monorail is a form of transportation that meets the needs of Chinese cities. [0003] In recent years, wireless power transmission technology has achieved rapid development. From the wireless charging of small-power electronic products and household appliances to the wireless charging of high-power electric vehicles, wir...
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IPC IPC(8): H02J50/12
Inventor 谭林林刘瀚黄学良郭金鹏颜长鑫王维
Owner SOUTHEAST UNIV