Power supply circuit and electric vehicle
A technology of power supply circuit and circuit, which is applied in the field of electric vehicles, can solve the problem of being unable to monitor the charging process of the battery
Active Publication Date: 2016-02-10
GUANGDONG GOBAO ELECTRONICS TECH CO LTD
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- Abstract
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Problems solved by technology
[0004] The purpose of the present invention is to provide a power supply circuit and an electric vehicle to solve the problem that the control module cannot monitor the charging process of the battery if the battery is not powered to the control module when the battery is charged
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[0019] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In order to illustrate the technical solutions described in the present invention, specific examples are used below to illustrate.
[0020] figure 1 The composition structure of the power supply circuit provided by the embodiment of the present invention is shown, and for the convenience of description, only the parts related to the embodiment of the present invention are shown.
[0021] The power supply circuit provided by the embodiment of the present invention is externally connected to the control module 2; the power supply circuit of the battery to the control module 2 can be disconnected / co...
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The invention is applicable to the field of electric vehicles, and provides a power supply circuit and an electric vehicle. A radio frequency receiving circuit receives a radio frequency signal sent by a charger in a matching manner. A power supply signal is demodulated from the radio frequency signal. The power supply signal is output to a power supply switching circuit. The power supply switching circuit outputs a first power supply signal from a power supply end when the power supply signal is received from a first controlled end. A control module generates a hold signal when the first power supply signal is detected from the power supply end. The hold signal is output to the power supply circuit from a hold end. The power supply switching circuit outputs a second power supply signal from the power supply end when the hold signal is received from a second controlled end. When the charger charges a battery of the electric vehicle, the electric vehicle sends the power supply signal to trigger the power supply circuit to switch on the battery to power the control module.
Description
technical field [0001] The invention belongs to the field of electric vehicles, in particular to a power supply circuit and the electric vehicle. Background technique [0002] Electric vehicles, including electric bicycles, electric motorcycles and electric unicycles; because they are not suitable for fuel, use rechargeable batteries as driving energy to realize green travel, and are more and more favored by people. Before using an electric vehicle, the battery needs to be charged, and the battery can only be traveled after it is fully charged. [0003] In the electric vehicle provided by the prior art, when the battery is charged, the control module of the electric vehicle is not powered on (not powered by the battery). Furthermore, the control module cannot monitor the charging process for charging the battery. Contents of the invention [0004] The object of the present invention is to provide a power supply circuit and an electric vehicle to solve the problem that th...
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Inventor 温瑭玮陈清付柏松
Owner GUANGDONG GOBAO ELECTRONICS TECH CO LTD