Rechargeable battery assembly and terminal device

Abstract

A rechargeable battery assembly and a terminal device are provided. The rechargeable battery assembly includes a battery main body which includes a charging interface, a fuse, and a battery cell, the fuse is arranged between the battery cell and the charging interface, and a current input from the charging interface is conducted to the battery cell via the fuse when the battery cell is charged. The rechargeable battery assembly further includes a heater which includes a control element and a heating element, and the control element controls the heating element to release heat to the fuse upon receiving a control signal. The rechargeable battery assembly further includes a sensor configured to detect the current parameter of the battery cell, and a processor configured to acquire the parameter from the sensor, and transmit the control signal to the control element when it is determined that the parameter satisfies a preset condition.

What is claimed is: 
     
         1 . A rechargeable battery assembly comprising:
 a battery main body comprising a charging interface, a fuse, and a battery cell, wherein the fuse is arranged between the battery cell and the charging interface, and a current input from the charging interface is conducted to the battery cell via the fuse when the battery cell is charged;   a heater comprising a control element and a heating element, the control element being configured to control the heating element to release heat to the fuse upon receiving a control signal;   a sensor configured to detect at least one of following parameters: a voltage of the battery cell and a temperature of the battery cell; and   a processor configured to acquire the parameter from the sensor, and transmit the control signal to the control element when it is determined that the parameter satisfies a preset condition.   
     
     
         2 . The rechargeable battery assembly of  claim 1 , wherein the heating element is arranged to be adjacent to the fuse, so as to cause the heat released by the heating element to be conducted to the fuse via the air. 
     
     
         3 . The rechargeable battery assembly of  claim 1 , wherein the heater further comprises a heat conductor, and the heating element is coupled to the fuse via the heat conductor, so as to cause the heat released by the heating element to be conducted to the fuse via the heat conductor. 
     
     
         4 . The rechargeable battery assembly of  claim 3 , wherein the heat conductor is a heat conductive substrate having the heating element and the fuse arranged thereon. 
     
     
         5 . The rechargeable battery assembly of  claim 1 , wherein the heating element is configured to convert electricity into heat. 
     
     
         6 . The rechargeable battery assembly of  claim 2 , wherein the control signal is an electrical signal, and the control element is any one of following switches: a relay switch, a metal oxide semiconductor field effect transistor (MOSFET) switch, and a transistor switch. 
     
     
         7 . The rechargeable battery assembly of  claim 5 , wherein the heating element is electrically coupled to the charging interface, so as to acquire electricity from the battery cell. 
     
     
         8 . The rechargeable battery assembly of  claim 5 , wherein when the rechargeable battery assembly is charged by a power adapter, the heating element is electrically coupled to the power adapter to acquire electricity from the power adapter. 
     
     
         9 . The rechargeable battery assembly of  claim 5 , wherein the heater further comprises:
 a power source electrically coupled to the heating element via the control element to supply power to the heating element; and   the control element is configured to couple the power source to the heating element upon receiving the control signal.   
     
     
         10 . The rechargeable battery assembly of  claim 1 , wherein, when the parameter comprises the temperature of the battery cell, the processor is configured to transmit the control signal to the heater when it is determined that the temperature of the battery cell is greater than or equal to a preset temperature threshold. 
     
     
         11 . The rechargeable battery assembly of  claim 1 , wherein, when the parameter comprises the voltage of the battery cell, the processor is configured to transmit the control signal to the heater when it is determined that the voltage of the battery cell is greater than or equal to a preset voltage threshold. 
     
     
         12 . A terminal device comprising:
 a charging interface configured to input a current;   a battery cell;   a fuse electrically coupling the charging interface to the battery cell;   a heater comprising a control element and a heating element, wherein the control element controls the heating element to release heat to the fuse when a voltage of the battery cell reaches a preset voltage threshold or a temperature of the battery cell reaches a preset temperature threshold.   
     
     
         13 . The terminal device of  claim 12 , wherein the heating element is arranged to be adjacent to the fuse, so as to cause the heat released by the heating element to be conducted to the fuse via the air. 
     
     
         14 . The terminal device of  claim 12 , wherein the heater further comprises a heat conductor, and the heating element is coupled to the fuse via the heat conductor, so as to cause the heat released by the heating element to be conducted to the fuse via the heat conductor. 
     
     
         15 . The terminal device of  claim 12 , wherein the heater further comprises:
 a power source electrically coupled to the heating element via the control element to supply power to the heating element; and   the control element is configured to couple the power source to the heating element when the voltage of the battery cell reaches the preset voltage threshold or the temperature of the battery cell reaches the preset temperature threshold.   
     
     
         16 . The terminal device of  claim 12  further comprising a sensor and a processor, wherein the sensor is configured to detect at least one of following parameters: the voltage of the battery cell and the temperature of the battery cell; and the processor is configured to acquire the parameter from the sensor, and transmit a control signal to the control element when it is determined that the temperature of the battery cell is greater than or equal to the preset temperature threshold or the voltage of the battery cell is greater than or equal to the preset voltage threshold, the control element controls the heating element to release heat to the fuse upon receiving the control signal. 
     
     
         17 . A rechargeable battery assembly comprising:
 a battery main body comprising a fuse and a battery cell, wherein a current from an external device is conducted to the battery cell via the fuse when the battery cell is charged;   a heater configured to release heat to the fuse; and   a processor configured to control the heater to release heat when the current parameter of the battery cell satisfies a preset condition.   
     
     
         18 . The rechargeable battery assembly of  claim 17 , wherein the heater comprises a heating element, and the heating element is arranged to be adjacent to the fuse, so as to cause the heat released by the heating element to be conducted to the fuse via the air. 
     
     
         19 . The rechargeable battery assembly of  claim 17 , wherein the heater comprises a heating element and a heat conductor, and the heating element is coupled to the fuse via the heat conductor, so as to cause the heat released by the heating element to be conducted to the fuse via the heat conductor. 
     
     
         20 . The rechargeable battery assembly of  claim 17 , wherein the current parameter of the battery cell comprises at least one of following: a voltage of the battery cell and a temperature of the battery cell; and the processor is configured to control the heater to release heat to the fuse when it is determined that the temperature of the battery cell is greater than or equal to the preset temperature threshold or the voltage of the battery cell is greater than or equal to the preset voltage threshold.