Battery intelligent management method, battery intelligent management apparatus, and battery

• US 9,812,885 B2
• Filed: 06/30/2015
• Issued: 11/07/2017
• Est. Priority Date: 04/16/2014
• Status: Active Grant

• Current Assignee: Huawei Digital Power Technologies Company Limited (Huawei Investment & Holding Co., Ltd.)
• Original Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Inventors: Ma, Xiangmin, Zhu, Dingwang
• Primary Examiner(s): Williams, Arun
• Application Number:
  US14/788,068
• Publication Number:
  US 20160020619A1
• Time in Patent Office: 861 Days
• Field of Search: 320134
• CPC Class Codes: H01M 10/441 for several batteries or cells simultaneously or sequentially
• CPC Class Codes: H01M 10/443 in response to temperature
• CPC Class Codes: H01M 10/482 for several batteries or cells simultaneously or sequentially
• CPC Class Codes: H01M 10/486 for measuring temperature
• CPC Class Codes: H01M 10/488 Cells or batteries combined with indicating means for external visualization of the condition, e.g. by change of colour or of light density
• CPC Class Codes: H01M 10/617 for achieving uniformity or desired distribution of temperature
• CPC Class Codes: H01M 10/633 characterised by algorithms, flow charts, software details or the like
• CPC Class Codes: H01M 10/635 based on ambient temperature
• CPC Class Codes: H02J 7/0013 acting upon several batteries simultaneously or sequentially H02J7/1423 takes precedence
• CPC Class Codes: H02J 7/0047 with monitoring or indicating devices or circuits
• CPC Class Codes: H02J 7/0048 Detection of remaining charge capacity or state of charge [SOC]
• CPC Class Codes: H02J 7/005 Detection of state of health [SOH]
• CPC Class Codes: Y02E 60/10 Energy storage using batteries

Abstract

The present invention discloses a battery intelligent management apparatus. A recognizing unit is configured to recognize a specification of a power supply assembly. A storage unit is configured to store management modes of power supply assemblies of various specifications, where the management modes of the power supply assemblies are in one-to-one correspondence with the specifications of the power supply assemblies. A control unit is configured to extract, from the storage unit and according to the specification, recognized by the recognizing unit, of the power supply assembly, a management mode corresponding to the specification of the power supply assembly, and perform charge management on the power supply assembly by using the management mode.

Claims

1. A method for battery intelligent management the method comprising:

detecting, by a battery intelligent management apparatus, an accumulated time of power grid disconnection within a preset time, and an accumulated time of a high temperature during which a working temperature of a battery exceeds a preset temperature within a preset time;

recognizing, by the battery intelligent management apparatus, a specification of a power supply assembly of the battery according to the detected accumulated time of power grid disconnection or the accumulated time of the high temperature, wherein the battery intelligent management apparatus stores a plurality of management modes of power supply assemblies of various specifications, wherein the management modes of the power supply assemblies are in one-to-one correspondence with the specifications of the power supply assemblies; and

extracting, by the battery intelligent management apparatus, a management mode corresponding to the recognized specification of the power supply assembly from the battery intelligent management apparatus; and

performing charge management on the power supply assembly using the extracted management mode.

2. The battery intelligent management method according to claim 1, further comprising:

determining that the specification of the power supply assembly is a B-type float charged battery when the accumulated time of power grid disconnection within the preset time is less than or equal to 10 hours, and the accumulated time of a high temperature during which the working temperature of the battery exceeds the preset temperature within the preset time is also less than or equal to 10 hours;

wherein the management mode extracted by the battery intelligent management apparatus comprises a charge current limiting point that is less than or equal to 0.10 C and a charge voltage that is in a range of 2.20-2.23V/CELL, and wherein charge management is performed on the B-type float charged battery using the management mode.

3. The battery intelligent management method according to claim 1, further comprising:

determining that the specification of the power supply assembly is an A-type cycle battery when the accumulated time of power grid disconnection within the preset time is in a range that is greater than or equal to 30 hours and the accumulated time of a high temperature during which the working temperature of the battery exceeds the preset temperature within the preset time is in a range of 10-20 hours;

wherein the management mode extracted by the battery intelligent management apparatus comprises a charge current limiting point that is in the range of 0.10-0.15 C and a charge voltage that is in the range 2.23-2.27V/CELL, and wherein charge management is performed on the A-type cycle battery using the management mode.

4. The battery intelligent management method according to claim 1, further comprising:

determining that the specification of the power supply assembly is a C-type high temperature battery when the accumulated time of power grid disconnection within the preset time is in a range that is greater than or equal to 30 hours and the accumulated time of a high temperature during which the working temperature of the battery exceeds the preset temperature within the preset time is in a range that is greater than or equal to 30 hours;

wherein a management mode extracted by the battery intelligent management apparatus comprises a charge current limiting point is is greater than or equal to 0.15 C and a charge voltage that is in the range of 2.23-2.27V/CELL, and wherein charge management is performed on the C-type high temperature battery using the management mode.

5. The battery intelligent management method according to claim 1, further comprising:

detecting, by the battery intelligent management apparatus, discharge data in a discharge process of the power supply assembly, wherein the battery intelligent management apparatus further stores a preset-capacity parameter table comprising;

a capacity coefficient in charge;

discharge processes of the power supply assembly; and

alarm protection points of a voltage and a current in the charge and discharge processes of the power supply assembly;

calculating, by the battery intelligent management apparatus, an actual battery capacity of the power supply assembly according to the discharge data and the preset-capacity parameter table;

calculating a health status of the power supply assembly according to the actual battery capacity of the power supply assembly; and

alerting an operator to the health status using an alarm.

6. The battery intelligent management method according to claim 5, further comprising:

detecting, by the battery intelligent management apparatus, a working ambient temperature of the power supply assembly;

enabling a cooling function when the detected working ambient temperature of the power supply assembly is higher than a preset temperature value; and

enabling a heating function when the detected working ambient temperature of the power supply assembly is lower than the preset temperature value.

7. A battery intelligent management apparatus interconnected with a battery, wherein the battery intelligent management apparatus comprises:

a recognizing unit, configured to;

detect an accumulated time of power grid disconnection within a preset time and an accumulated time of a high temperature during which a working temperature of the battery exceeds a preset temperature within a preset time; and

recognize a specification of a power supply assembly of the battery according to the accumulated time of power grid disconnection or the accumulated time of the high temperature;

a storage unit, configured to store a plurality of management modes of power supply assemblies of various specifications, wherein the management modes of the power supply assemblies are in one-to-one correspondence with the specifications of the power supply assemblies; and

a control unit, configured to extract from the storage unit a management mode corresponding to a recognized specification of the power supply assembly and perform charge management on the power supply assembly using the management mode.

8. The battery intelligent management apparatus according to claim 7, wherein the recognizing unit is further configured to determine that the specification of the power supply assembly is a B-type float charged battery when the accumulated time of power grid disconnection within the preset time is less than or equal to 10 hours and the accumulated time of a high temperature during which the working temperature of the battery exceeds the preset temperature within the preset time is also less than or equal to 10 hours;

and wherein the corresponding management mode comprises a charge current limiting point that is less than or equal to 0.10 C and a charge voltage that is in a range of 2.20-2.23V/CELL.

9. The battery intelligent management apparatus according to claim 7, wherein the recognizing unit is further configured to determine that the specification of the power supply assembly is an A-type cycle battery when the accumulated time of power grid disconnection within the preset time is greater than or equal to 30 hours, and the accumulated time of a high temperature during which the working temperature of the battery exceeds the preset temperature within the preset time is in a range of 10-20 hours;

and wherein the corresponding management mode comprises a charge current limiting point is in a range of 0.10-0.15 C and a charge voltage is is in a range of 2.23-2.27V/CELL.

10. The battery intelligent management apparatus according to claim 7, wherein the recognizing unit is further configured to determine that the specification of the power supply assembly is a C-type high temperature battery when the accumulated time of power grid disconnection within the preset time is in a range that is greater than or equal to 30 hours, and the accumulated time of a high temperature during which the working temperature of the battery exceeds the preset temperature within the preset time is greater than or equal to 30 hours;

and

wherein the corresponding management mode comprises a charge current limiting point that is greater than or equal to 0.15 C and a charge voltage is in a range of 2.23-2.27V/CELL.

11. The battery intelligent management apparatus according to claim 7, wherein the battery intelligent management apparatus further comprises:

a detecting unit;

configured to detect discharge data in a discharge process of the power supply assembly; and

a calculating unit, configured to;

calculate an actual battery capacity of the power supply assembly according to the discharge data and a preset-capacity parameter table that is stored by the storage unit, wherein the preset-capacity parameter table comprises;

a capacity coefficient in charge;

discharge processes of the power supply assembly; and

alarm protection points of a voltage and a current in the charge and discharge processes of the power supply assembly; and

calculate a health status of the power supply assembly according to the actual battery capacity of the power supply assembly;

wherein the control unit is further configured to use an alarm to alert an operator to the health status calculated by the calculating unit, so as to remind the operator of the power supply assembly to replace the battery.

12. The battery intelligent management apparatus according to claim 11, wherein the discharge data comprises at least one of the following:

a voltage, a current, and a temperature.

13. The battery intelligent management apparatus according to claim ii, further comprising:

a temperature control unit, wherein the detecting unit is further configured to detect a working ambient temperature of the power supply assembly; and

wherein the temperature control unit is configured to;

enable a cooling function when the detected working ambient temperature of the power supply assembly is higher than a preset temperature value; and

enable a heating function when the detected working ambient temperature of the power supply assembly is lower than the preset temperature value.

14. A battery comprising:

a power supply assembly; and

a battery intelligent management apparatus, configured to manage the power supply assembly, wherein the battery intelligent management apparatus comprises;

a recognizing unit, configured to;

detect an accumulated time of power grid disconnection within a preset time and an accumulated time of a high temperature during which a working temperature of the battery exceeds a preset temperature within a preset time; and

recognize a specification of a power supply assembly of the battery according to the accumulated time of power grid disconnection or the accumulated time of high temperature;

a storage unit, configured to store management modes of power supply assemblies of various specifications, wherein the management modes of the power supply assemblies are in one-to-one correspondence with the specifications of the power supply assemblies; and

a control unit, configured to extract a management mode corresponding to the specification of the power supply assembly from the storage unit according to the specification, recognized by the recognizing unit, of the power supply assembly, and perform charge management on the power supply assembly by using the management mode.

15. The battery according to claim 14, wherein a total voltage of the power supply assembly comprises one of:

48V, 192V, or 384V.

16. A battery intelligent management apparatus interconnected with a battery, wherein the battery intelligent management apparatus comprises:

a processor, configured to;

detect an accumulated time of power grid disconnection within a preset time and an accumulated time of a high temperature during which a working temperature of the battery exceeds a preset temperature within a preset time; and

recognize a specification of a power supply assembly of a battery according to the accumulated time of power grid disconnection or the accumulated time of high temperature;

a memory, configured to store a plurality of management modes of power supply assemblies of various specifications, wherein the management modes of the power supply assemblies are in one-to-one correspondence with the specifications of the power supply assemblies, wherein the processor is further configured to extract from the memory a management mode corresponding to a recognized specification of the power supply assembly and perform charge management on the power supply assembly using the management mode.

17. The battery intelligent management apparatus according to claim 16, wherein the processor is further configured to determine that the specification of the power supply assembly is a B-type float charged battery when the accumulated time of power grid disconnection within the preset time is less than or equal to 10 hours and the accumulated time of a high temperature during which the working temperature of the battery exceeds the preset temperature within the preset time is also less than or equal to 10 hours;

and

wherein the corresponding management mode comprises a charge current limiting point that is less than or equal to 0.10 C and a charge voltage that is in a range of 2.20-2.23V/CELL.

18. The battery intelligent management apparatus according to claim 16, wherein the processor is further configured to determine that the specification of the power supply assembly is an A-type cycle battery when the accumulated time of power grid disconnection within the preset time is greater than or equal to 30 hours, and the accumulated time of a high temperature during which the working temperature of the battery exceeds the preset temperature within the preset time is in a range of 10-20 hours;

and

wherein the corresponding management mode comprises a charge current limiting point is in a range of 0.10-0.15 C and a charge voltage is is in a range of 2.23-2.27V/CELL.

19. The battery intelligent management apparatus according to claim 16, wherein the processor is further configured to determine that the specification of the power supply assembly is a C-type high temperature battery when the accumulated time of power grid disconnection within the preset time is in a range that is greater than or equal to 30 hours, and the accumulated time of a high temperature during which the working temperature of the battery exceeds the preset temperature within the preset time is greater than or equal to 30 hours;

and

wherein the corresponding management mode comprises a charge current limiting point that is greater than or equal to 0.15 C and a charge voltage is in a range of 2.23-2.27V/CELL.

20. The battery intelligent management apparatus according to claim 16, wherein the memory is further configured to store a preset-capacity parameter table, wherein the preset-capacity parameter table comprises a capacity coefficient in charge and discharge processes of the power supply assembly and alarm protection points of a voltage and a current in the charge and discharge processes of the power supply assembly;

and

wherein the processor is further configured to detect discharge data in a discharge process of the power supply assembly, calculate an actual battery capacity of the power supply assembly according to the discharge data and a preset-capacity parameter table that is stored in the memory, calculate a health status of the power supply assembly according to the actual battery capacity of the power supply assembly, and alert, by means of alarm, an operator to the health status, so as to remind the operator of the power supply assembly to replace the battery.