Battery preheating methods, devices, and apparatus

Abstract

A method for preheating a battery includes: detecting a trigger event of preheating the battery, the trigger event including a corresponding key being turned on; and in response to detecting the trigger event, controlling a heating member to heat an accommodating space housing the battery until an ambient temperature in the accommodating space satisfies a temperature condition, wherein the heating member is powered by the battery to be preheated.

What is claimed is: 
     
         1 . A method for preheating a battery, comprising:
 detecting a trigger event of preheating the battery, the trigger event including a corresponding key being turned on; and   in response to detecting the trigger event, controlling a heating member to heat an accommodating space housing the battery until an ambient temperature in the accommodating space satisfies a temperature condition, wherein the heating member is powered by the battery to be preheated.   
     
     
         2 . The method according to  claim 1 , wherein the trigger event further includes one or more of:
 the battery being loaded into the accommodating space;   a current being generated in a preheating circuit; and   the ambient temperature of the accommodating space being increased.   
     
     
         3 . The method according to  claim 1 , further comprising, before controlling the heating of the accommodating space:
 determining whether preheating of the battery has completed; and   stopping the preheating in response to the preheating of the battery has completed.   
     
     
         4 . The method according to  claim 3 , wherein determining whether the preheating for the battery has completed comprises:
 determining whether a recorded preheating duration reaches a preset duration threshold, wherein the preheating for the battery has completed if the recorded preheating duration reaches the preset duration threshold.   
     
     
         5 . The method according to  claim 3 , wherein determining whether preheating for the battery has completed comprises:
 determining whether an internal temperature of the battery reaches a preset temperature threshold, wherein the preheating for the battery has been completed if the internal temperature of the battery reaches the preset temperature threshold.   
     
     
         6 . The method according to  claim 5 , wherein determining whether the internal temperature of the battery reaches the preset temperature threshold comprises:
 receiving the internal temperature of the battery detected by the battery; and   determining whether the received internal temperature of the battery reaches the preset temperature threshold.   
     
     
         7 . The method according to  claim 1 , wherein controlling heating of the accommodating space comprises:
 if the ambient temperature is lower than a holding temperature threshold indicated in the temperature condition, turning on heating for the accommodating space to adjust the ambient temperature to the holding temperature threshold; and   if the ambient temperature is equal to or higher than the holding temperature threshold, turning off heating for the accommodating space to adjust the ambient temperature to the holding temperature threshold.   
     
     
         8 . The method according to  claim 1 , wherein controlling heating of the accommodating space comprises:
 if the ambient temperature is lower than a minimum holding temperature threshold indicated in the temperature condition, turning on heating for the accommodating space to adjust the ambient temperature to a temperature within a holding temperature range indicated by the temperature condition; and   if the ambient temperature is higher than a maximum holding temperature threshold indicated in the temperature condition, turning off heating for the accommodating space to adjust the ambient temperature to the holding temperature range indicated by the temperature condition.   
     
     
         9 . The method according to  claim 1 , wherein:
 the method further comprises acquiring the ambient temperature, including:
 acquiring local temperatures in respective characteristic positions preset in the accommodating space; and 
   controlling heating of the accommodating space comprises:
 adjusting the local temperature in a characteristic position where the preset temperature condition is not satisfied. 
   
     
     
         10 . The method according to  claim 1 , further comprising, after preheating for the battery is completed:
 turning on a charging control of the battery if a charging trigger event of the battery is detected; and   turning on a discharging control of the battery if a discharging trigger event of the battery is detected.   
     
     
         11 . A battery preheating apparatus, comprising:
 a carrying member having an accommodating space, the accommodating space being configured to receive a battery to be preheated;   a heating member disposed over the carrying member, the heating member being powered by the battery to be preheated and configured to generate heat after powered-on; and   a processor coupled to the heating member and configured to:
 detecting a trigger event of preheating the battery, the trigger event including a corresponding key being turned on; and 
 in response to detecting the trigger event, controlling the heating member to heat accommodating space. 
   
     
     
         12 . The apparatus according to  claim 11 , wherein the carrying member includes a heat conducting member. 
     
     
         13 . The apparatus according to  claim 12 , wherein the heating member is placed on a surface of the heat conducting member, or embedded in the heat conducting member. 
     
     
         14 . The apparatus according to  claim 11 , wherein the carrying member includes a heat insulating member. 
     
     
         15 . The apparatus according to  claim 14 , wherein:
 the heating member is placed on an inner surface of the carrying member; or   the heating member is placed on an outer surface of the carrying member, and the outer surface of the carrying member comprises a heat conducting hole in communication with the accommodating space.   
     
     
         16 . The apparatus according to  claim 11 , wherein the heating member comprises a heating film attached to a surface of the carrying member. 
     
     
         17 . The apparatus according to  claim 11 , wherein the heating member comprises a heating wire wound on the carrying member. 
     
     
         18 . An aerial vehicle, comprising:
 a battery configured to provide power supply to the aerial vehicle;   a carrying member having an accommodating space, the accommodating space being configured to receive the battery;   a heating member configured to generate heat to preheat the battery, the heating member being powered by the battery to be preheated; and   a processor configured to:
 detect a trigger event of preheating the battery, the triggering event including a corresponding key being turned on; and 
 control the heating member to heat the accommodating space until an ambient temperature satisfies a temperature condition. 
   
     
     
         19 . The aerial vehicle according to  claim 18 , wherein the trigger event further includes one or more of:
 the battery being loaded into the accommodating space;   a current being generated in a preheating circuit; and   the ambient temperature of the accommodating space being increased.   
     
     
         20 . The aerial vehicle according to  claim 18 , wherein the processor is further configured to:
 determine whether preheating of the battery has completed; and   stop the preheating in response to the preheating of the battery has completed.