A vehicle battery heating and heat preservation system
A battery heating and heat preservation system technology, applied in ohmic resistance heating parts, secondary batteries, circuits, etc., can solve the problems of high production cost, low heating efficiency, expensive high-voltage relays, etc.
Inactive Publication Date: 2016-02-10
北汽云南瑞丽汽车有限公司
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Problems solved by technology
[0004] Traditional heating methods include DC high voltage and AC high voltage, etc., but the heating efficiency of the above two heating methods is not high, and it is necessary to add multiple expensive high-voltage relays, and the production cost is high
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[0028] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.
[0029] In describing the present invention, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship indicated by "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than Nothing indicating or implying that a referenced device or elem...
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The invention discloses a heating and heat-insulation system for an automotive battery. The heating and heat-insulation system comprises an outer tank body, an inner tank body, a heating plate, a heating controller and a BMS (Battery Management System), wherein the inner tank body is contained in the outer tank body and provided with a heat-insulation layer, a containing space for containing a battery is limited in the inner tank body, the heating plate is arranged between the outer tank body and the inner tank body, the heating controller is connected with the heating plate and used for converting input high voltage into low voltage and applying the low voltage to the heating plate so as to enable the heating plate to be heated, and the BMS is used for connecting the heating controller with a battery charger so as to input the high voltage of the battery charger into the heating controller when the BMS detects that the temperature of the battery in the inner tank body is lower than a first threshold. The heating and heat-insulation system can control the heating controller to heat the heating plate in real time according to the temperature of the battery, so that the automotive battery also can be charged and discharged under the condition of a narrow range at a relatively suitable temperature.
Description
technical field [0001] The invention relates to the technical field of automobile manufacturing, and particularly designs a heating and heat preservation system for a vehicle battery. Background technique [0002] With the improvement of people's living standards, cars have gradually become the main means of transportation for people to travel. Among them, the car battery is a car that can supply power to the car starter and various electrical equipment on the car. [0003] Batteries belong to the category of chemical power sources, and their performance determines that they are very sensitive to temperature. The lower the temperature, the greater the difference in the discharge performance of the battery. In actual operation, in order to ensure that the power battery system has a stable and suitable working temperature in different temperature environments to provide sufficient power, and the requirement to charge above 0°C, the power battery needs to have heat preservati...
Claims
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IPC IPC(8): H01M10/615H01M10/625H01M10/6571H05B3/02
CPCY02E60/10
Inventor 李燕刘义强刘波秦兴权梁海波
Owner 北汽云南瑞丽汽车有限公司