Vehicle battery heating apparatus
A battery heating and vehicle technology, which is applied to battery circuit devices, circuit devices, battery/fuel cell control devices, etc., can solve problems such as the inability of vehicles to travel, and achieve the effect of suppressing the reduction of charging capacity
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no. 1 approach
[0047] figure 1 It is a schematic explanatory diagram of an automobile 1 as a vehicle to which the battery heating device 10 according to the embodiment of the present invention is applied.
[0048]The car 1 is a car in which a user rides and runs using electric power of a battery. Car 1 is an example of a vehicle. In addition, vehicles include, for example, large vehicles, two-wheeled vehicles, personal mobility, bicycles, railway vehicles, airplanes, ships, and the like. The vehicle can move to the destination according to the operation of the user as the driver, or can move to the destination by automatic driving.
[0049] figure 1 The automobile 1 has: a vehicle body 2; wheels 3 provided at the front and rear of the vehicle body 2; The driver and other users sit on the seat 5 .
[0050] In addition, in the automobile 1 , the battery module 6 is mounted on the lower portion of the vehicle body 2 . exist figure 1 In the vehicle interior 4 , the battery module 6 is mou...
no. 2 approach
[0124] Next, the battery heating device 10 of the automobile 1 according to the second embodiment of the present invention will be described. In the present embodiment, the fluctuation target temperature is acquired from the memory 18 and used even during charging.
[0125] In this embodiment, the same reference numerals are used for the same structures as in the above-mentioned embodiment, and illustration and description are omitted. In the following description, differences from the above-described embodiment will be mainly described.
[0126] Figure 5 is the second embodiment, recorded in figure 2 The temperature selection data 51 of the target temperature in the memory 18.
[0127] Figure 5 The temperature selection data 51 is data in the form of a table having a plurality of records for each variation target temperature.
[0128] exist Figure 5 Among them, as the range of SOC, the start temperature of heating, and the fluctuation target temperature as the targe...
no. 3 approach
[0153] Next, a battery heating device 10 for an automobile 1 according to a third embodiment of the present invention will be described. In the present embodiment, a fluctuation target temperature according to deterioration of the battery 22 is used.
[0154] In this embodiment, the same reference numerals are used for the same structures as in the above-mentioned embodiment, and illustration and description are omitted. In the following description, differences from the above-described embodiment will be mainly described.
[0155] Figure 7 is recorded in the third embodiment in figure 2 A plurality of temperature selection data 61, 62 of the target temperature in the memory 18.
[0156] exist Figure 7 the upper part of the Figure 7 (A) shows a time line showing the accumulated travel distance or usage period of the battery 22 . Figure 7 The SOH of the battery 22 in (B) deteriorates and decreases according to the cumulative traveling distance or the period of use. ...
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