MANAGEMENT APPARATUS, COMMUNICATION APPARATUS, MANAGEMENT METHOD, AND MANAGEMENT SYSTEM

• US 20160036098A1
• Filed: 12/04/2013
• Published: 02/04/2016
• Est. Priority Date: 03/22/2013
• Status: Abandoned Application

• Current Assignee: Sony Corporation (Sony Group Corp.)
• Original Assignee: Sony Corporation (Sony Group Corp.)
• Inventors: Washiro, Takanori
• Application Number:
  US14/776,139
• Publication Number:
  US 20160036098A1
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: H01M 10/4257 Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
• CPC Class Codes: H01M 10/48 Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals, H01M50/569
• CPC Class Codes: H01M 10/486 for measuring temperature
• CPC Class Codes: H01M 2010/4271 Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
• CPC Class Codes: H01M 2010/4278 Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
• CPC Class Codes: H01M 50/569 Constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals battery terminal connectors with integrated measuring arrangements G01R31/364
• CPC Class Codes: H02J 2310/48 for electric vehicles [EV] or hybrid vehicles [HEV]
• CPC Class Codes: H02J 7/0013 acting upon several batteries simultaneously or sequentially H02J7/1423 takes precedence
• CPC Class Codes: H02J 7/0048 Detection of remaining charge capacity or state of charge [SOC]
• CPC Class Codes: Y02E 60/10 Energy storage using batteries
• CPC Class Codes: Y02T 10/70 Energy storage systems for electromobility, e.g. batteries

Abstract

There is provided a management apparatus, including a processing unit which performs a process related to management of a battery cell, based on information related to the battery cell, acquired via a power line connected to the battery cell from a communication apparatus electrically connected to the power line. The information related to the battery cell includes sensor information showing a detection result detected by a sensor which detects a state of the battery cell. The processing unit performs a process according to the detection result of the sensor.

Claims

1. A management apparatus, comprising:

a processing unit which performs a process related to management of a battery cell, based on information related to the battery cell, acquired via a power line connected to the battery cell from a communication apparatus electrically connected to the power line,

wherein the information related to the battery cell includes sensor information showing a detection result detected by a sensor which detects a state of the battery cell, and

wherein the processing unit performs a process according to the detection result of the sensor.

2. The management apparatus according to claim 1,

wherein the sensor information shows a temperature of the battery cell detected by a temperature sensor, and

wherein the processing unit

determines the state of the battery cell based on the temperature of the battery cell shown by the sensor information, and

in a case where it is determined that the battery cell is not normal, causes a use of the battery cell to be restricted.

3. The management apparatus according to claim 1,

wherein the information related to the battery cell includes the sensor information showing a voltage of the battery cell detected by a voltage sensor, and

wherein, in a case where it is determined that the battery cell is in a state where the battery cell is charging,

the processing unit performs a charge control for the battery cell based on the voltage of the battery cell shown by the sensor information.

4. The management apparatus according to claim 1,

wherein the information related to the battery cell includes the sensor information showing a voltage of the battery cell detected by a voltage sensor, and

wherein, in a case where it is determined that the battery cell is in a state where the battery cell is discharging,

the processing unit determines a discharge state of the battery cell based on the voltage of the battery cell shown by the sensor information, and

causes a discharge of the battery cell to be restricted in accordance with a determination result.

5. The management apparatus according to claim 1,

wherein the sensor information shows a voltage of the battery cell detected by a voltage sensor, and

wherein the processing unit estimates a charge amount accumulated in the battery cell based on the voltage of the battery cell shown by the sensor information.

6. The management apparatus according to claim 1,

wherein the processing unit causes log information based on the detection result of the sensor shown by the sensor information, and a recording command for recording the log information in a recording medium, to be transmitted to the communication apparatus via the power line.

7. The management apparatus according to claim 1, further comprising:

a communication unit which performs communication via the power line with the communication apparatus,

wherein the processing unit acquires the information related to the battery cell from the communication apparatus by enabling the communication unit to perform communication with the communication apparatus.

8. The management apparatus according to claim 7,

wherein the communication unit

transmits a signal for transmitting the information related to the battery cell to the communication apparatus, and

receives the information related to the battery cell transmitted by having load modulation performed based on the signal received in the communication apparatus.

9. The management apparatus according to claim 7,

wherein the communication unit

is connected to a filter which is connected to the power line, cuts off at least a signal with a frequency of power flowing in the power line and does not cut off a high-frequency signal with a frequency higher than the frequency of power, and

performs communication with the communication apparatus by transmitting the high-frequency signal via the filter and the power line.

10. A communication apparatus, comprising:

a communication unit, electrically connected to a power line connected to a battery cell,

which is driven by obtaining power from a high-frequency signal with a frequency higher than a frequency of power flowing in the power line, transmitted from an external apparatus via the power line,

which supplies the power obtained from the high-frequency signal to a sensor which detects a state of the battery cell, and

which transmits information related to the battery cell, obtained from the sensor driven by the supplied power, and including sensor information showing a detection result detected by the sensor, to the external apparatus by load modulation via the power line.

11. The communication apparatus according to claim 10,

wherein the communication unit is connected to a positive electrode side power line and a negative electrode side power line of the battery cell.

12. The communication apparatus according to claim 10,

wherein the communication unit is connected to a positive electrode side power line or a negative electrode side power line of the battery cell.

13. The communication apparatus according to claim 10, further comprising:

the battery cell.

14. The communication apparatus according to claim 10, further comprising:

the sensor.

15. A management method, comprising:

a step which performs a process related to management of a battery cell, based on information related to the battery cell, acquired via a power line connected to the battery cell from a communication apparatus electrically connected to the power line,

wherein the information related to the battery cell includes sensor information showing a detection result detected by a sensor which detects a state of the battery cell, and

wherein a process according to the detection result of the sensor is performed in the step which performs the process related to the management of the battery cell.

16. A management system, comprising:

a communication apparatus electrically connected to a power line connected to a battery cell; and

a management apparatus which performs a process related to management of the battery cell, based on information related to the battery cell, acquired via the power line from the communication apparatus,

wherein the communication apparatus includes a communication unit,

which is driven by obtaining power from a high-frequency signal with a frequency higher than a frequency of power flowing in the power line, transmitted by the management apparatus via the power line,

which supplies the power obtained from the high-frequency signal to a sensor which detects a state of the battery cell, and

which transmits the information related to the battery cell, obtained from the sensor driven by the supplied power, and including sensor information showing a detection result detected by the sensor, to the management apparatus by load modulation via the power line,

wherein the management apparatus includes a processing unit which performs a process related to management of the battery cell, based on the information related to the battery cell, transmitted from the communication apparatus, and

wherein the processing unit performs a process according to the detection result of the sensor shown by the sensor information included in the information related to the battery cell.