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Electric vehicle storage battery charging device

A charging device and electric vehicle technology, applied in the direction of AC network load balancing, etc., can solve the problems of lack of automatic adjustment working mode, increased pressure and difficulty of power grid dispatching, and small power grid support, so as to reduce the peak-to-valley difference and ensure economic benefits , the effect of reducing demand

Pending Publication Date: 2019-05-17
鲁能新能源(集团)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The power grid is a channel that sends electric energy from the power generation end to the user, and adjusts the energy balance at both ends. However, with the continuous increase of the power grid capacity and power consumption, the peak-to-valley difference is also increasing, which leads to the dispatching of the power grid. Increasing pressure and difficulty
[0003] At present, electric vehicles are developing continuously and rapidly. The charging time of vehicles with the largest transportation function is after going to work and after returning home. These two are the peak hours of electricity consumption of the power grid. When the charging device is charging, it does not have the ability to automatically adjust the working mode, and the support for the grid is relatively small

Method used

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Embodiment 1

[0019] Embodiment 1: A kind of electric vehicle storage battery charging device provided by the present invention, refer to figure 1 As shown, it includes a housing 1, an AC / DC converter 2 connected to the grid power supply line is fixed inside the housing, a controller 3 connected to the AC / DC converter signal, and a detection chip 4 connected to the controller signal, The detection chip is used to detect the grid frequency, battery power, battery temperature, and charge / discharge current value. The detection chip of the present invention can use the CS6463A metering chip to detect the grid frequency, and the controller can use the ADAM-3900 model sold on the market. When using the charging device of the present invention, refer to figure 2 As shown, one end of the device is connected to the grid power supply side, and the other end is electrically connected to the storage battery. The detection chip on the grid power supply line is used to detect the grid frequency, which ...

Embodiment 2

[0020] Embodiment 2: In addition to the structure disclosed in Embodiment 1, in order to further optimize the present invention, refer to image 3 As shown, a control panel 5 for signal transmission with the controller is installed on the outer surface of the housing. A wireless communication chip 6 connected with the controller is also installed inside the casing. The wireless communication chip includes wifi, GPRS, bluetooth, zigbee and other chips with wireless transmission functions, and a bidirectional metering electric meter 7 is also installed on the housing, and the bidirectional metering electric meter is electrically connected with the AC / DC converter, and is connected with the control signal transmission. There are also heat dissipation holes 8 on the outer surface of the housing. The control panel can be KP700 sold on the market, and the two-way meter can be DTSF1352.

[0021] Through the set control panel, you can set the working mode of the device, the thresho...

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Abstract

The invention discloses an electric vehicle storage battery charging device, which comprises a shell, wherein an AD / DC converter connected with a grid power supply line is fixed inside the shell; a controller connected with the AD / DC converter in a signaling manner, and a detection chip connected with the controller. Detection contents of the detection chip comprise the electric quantity of a storage battery, a temperature of the storage battery, a frequency of a grid and charging and discharging current values. The electric vehicle storage battery charging device has the advantages that by the adoption of the device for charging and discharging an electric vehicle storage battery, when a large quantity of devices are applied to the grid, automatic adjustment of electrical loads on user sides is realized; and effects are as follows: firstly, ''load shifting'' reduces a difference between peak and valley of the grid and relieves the scheduling pressure of the grid, and secondly, the regional power supply capacity demand is lowered. The technical measure of the invention can realize friendly interaction between the electric vehicle storage battery and the grid, so that the economicalbenefit of a user is guaranteed, and an auxiliary function realizes the friendly interaction between the storage battery and the grid and realizes the load shifting of the grid.

Description

technical field [0001] The invention belongs to the technical field of charging devices, in particular to a charging device for batteries of electric vehicles. Background technique [0002] The power grid is a channel that sends electric energy from the power generation end to the user, and adjusts the energy balance at both ends. However, with the continuous increase of the power grid capacity and power consumption, the peak-to-valley difference is also increasing, which leads to the dispatching of the power grid. The pressure and difficulty are constantly increasing. [0003] At present, electric vehicles are developing continuously and rapidly. The charging time of vehicles with the largest transportation function is after going to work and after returning home. These two are the peak hours of electricity consumption of the power grid. When the charging device is charging, it does not have the ability to automatically adjust the working mode, and the support for the grid...

Claims

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Application Information

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IPC IPC(8): H02J3/32
Inventor 张文
Owner 鲁能新能源(集团)有限公司
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