Electric vehicle charging device
A charging device and technology for electric vehicles, applied in electric vehicles, battery circuit devices, circuit devices, etc., can solve the problems of low utilization efficiency of power resources and long charging time
Active Publication Date: 2019-01-25
SHANGHAI TIANMAO DAOSHENG NEW ENERGY SCI & TECH
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- Application Information
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Problems solved by technology
[0004] The existing electric vehicle charging system takes a long time to charge and the efficiency of power resource utilization is low
Method used
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Embodiment Construction
[0042]As shown in the figure, the present invention includes a first electronic switch, a second electronic switch, a third electronic switch, a fourth electronic switch and a DSP. The terminals are connected; the output end of the first electronic switch is respectively connected with the positive terminal of the first charging port and the input port of the third electronic switch, and the output end of the second electronic switch is respectively connected with the positive terminal of the second charging port and the input port of the fourth electronic switch. The ports are connected, the negative terminal of the first charging port, the negative terminal of the second charging port, the negative terminal of the load port, and the negative input terminal of the power supply are connected; the input port of the third electronic switch, the input port of the fourth electronic switch, and the positive terminal of the load port connected; the DSP control signal output port is r...
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The invention discloses a high-efficiency electric vehicle charging device, which belongs to the technical field of electric vehicle charging and has the advantages of high charging efficiency and high power resource utilization efficiency. The high-efficiency electric vehicle charging device comprises a first electronic switch, a second electronic switch, a third electronic switch, a fourth electronic switch and a DSP, and is structurally characterized in that input ports of the first electronic switch and the second electronic switch are both connected with the positive input terminal of a power supply; the output end of the first electronic switch is respectively connected with the positive terminal of a first charging port and the input port of the third electronic switch; the output end of the second electronic switch is respectively connected with the positive terminal of a second charging port and the input port of the fourth electronic switch; and the negative terminal of the first charging port, the negative terminal of the second charging port, the negative terminal of a load port and the negative input terminal of the power supply are connected.
Description
technical field [0001] The invention belongs to the technical field of charging electric vehicles, and in particular relates to a charging device for electric vehicles. Background technique [0002] Electric vehicle energy storage system refers to the power of lead-acid batteries, lithium-ion batteries, lithium iron phosphate batteries, lithium cobalt oxide batteries, lithium manganese oxide batteries, supercapacitors, graphene batteries and other new technologies and materials that provide power for electric vehicles. Batteries, but not limited to energy storage batteries of the type mentioned above. [0003] Charging pile refers to electric charging pile, solar charging pile, wind power generation or multi-energy complementary charging pile technology. The charging piles of this technology and the electric vehicles receiving charging (including hybrid new energy vehicles with energy storage systems) are connected to each other through special connection joints and wires t...
Claims
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IPC IPC(8): H02J7/00
Inventor 鞠姝鞠娣
Owner SHANGHAI TIANMAO DAOSHENG NEW ENERGY SCI & TECH