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Device and method for controlling charging on vehicle
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A charge control method and charge control technology, applied to circuit devices, battery circuit devices, current collectors, etc., can solve problems such as fire, large contact resistance, and uneven socket quality
Active Publication Date: 2014-02-19
上海ＡＢＢ联桩新能源技术有限公司 +1
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Problems solved by technology
However, due to the uneven quality of sockets on the power supply panel of the home adapter power supply, the on-board charging control device and the power supply cannot be in close contact, resulting in a large contact resistance
When the on-board charging control device is charged with a large current, since metal is a good conductor of heat, the heat will be quickly transmitted to the triangular plug through the metal sheet, so many potential risks will be generated, such as burns, fire wait for disaster
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Embodiment 1
[0023] This embodiment provides a vehicle-mounted charging control device 1, please refer to figure 1 , showing the principle structure of the on-board charging control device, the on-board charging control device 1 includes a power access plug 11, a cable control box 12, and a body end power access plug, and the power access plug 11 includes a The live wire, a neutral wire, and a ground wire also include a temperature detection module 111 built in the power access plug, and the cable control box 12 includes a built-in switch module 121, a temperature comparison module 122, a display module 123 , adjustment module 124 , power control module 125 , and alarm module 126 .
[0024] Wherein, the temperature detection module 111 is used to detect and record the temperature of the power access plug, and output the temperature. In this embodiment, the temperature detection module 111 may use a temperature sensor. The temperature detection module is located among the three plugs of t...
Embodiment 2
[0035] This embodiment provides a control method for on-board charging, which is applied to a control device for on-board charging including a power input plug, an on-cable control box, and a power output plug. see figure 2 , which is shown as a flow of the on-board charging control method, including the following steps:
[0036] S1, when the charging circuit is turned on, detect, record, and output the temperature of the power supply plug in real time.
[0037] S2. Comparing the detected temperature of the power access plug with a preset first threshold, if the detected temperature of the power access plug is lower than the first threshold, continue charging; If the temperature of the power access plug is higher than the first threshold, step S3 is executed.
[0038] S3, closing the charging circuit, and continuing to detect the temperature of the power supply plug.
[0039] S4, when it is detected that the temperature of the power access plug is lower than the preset sec...
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Abstract
The invention provides a device for controlling charging on a vehicle. The device comprises a temperature testing module, a temperature comparing module and an adjusting module. The temperature testing module is used for testing the temperature of a power source plug in real time when charging is conducted; a first threshold and a second threshold value of the temperature comparing module are preset and the temperature comparing module is used for allowing a switch module to close a charging circuit and allowing the temperature testing module to continuously test the temperature of the power source plug when the tested temperature of the power source plug is higher than the first threshold; the adjusting module is used for reducing the duty ratio of a PWM carrier signal to adjust a supply current of an on-vehicle-charging control device when the tested temperature of the power source plug is lower than the second threshold and meanwhile the switch module is made to open the charging circuit. According to the device for controlling charging on the vehicle, the temperature testing module is installed in the power source plug so that the heating condition of a contact resistor can be sensed in real time; the problems that due to the heating phenomenon generated when the contact resistor is charged, the potential risks of scald, firing and the like are caused are solved.
Description
technical field [0001] The invention belongs to the technical field of new energy vehicles, and relates to a control device and method thereof, in particular to a control device and method for on-board charging. Background technique [0002] The development of the energy industry is a strategic choice to deal with the increasingly serious environmental and energy crises around the world. Therefore, with the development of science and technology, there have been new energy vehicles that can use electricity instead of oil to achieve "zero emissions", and it is an important means to solve the current contradiction between resource scarcity and economic development, so new energy vehicles are used as shortcut energy. Transportation tools that reduce energy dependence and reduce carbon emissions have good prospects for development. [0003] With the steady advancement of on-board charging and swapping infrastructure that can use the home power supply network available everywhere...
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