Temperature management device

Patent metadata

Field	Value
Publication number	US-2018269546-A1
Application number	US-201715690375-A
Country	US
Kind code	A1
Filing date	Aug 30, 2017
Priority date	Mar 17, 2017
Publication date	Sep 20, 2018
Grant date	—

Abstract

In one embodiment, a temperature management device is provided with a plurality of battery cells, power sensor(s) each of which detects the charge/discharge power of battery cell(s) at a prescribed time interval, a power representative value calculation section which calculates a power representative value of a time lapse data of the charge/discharge power(s) detected by the power sensor, temperature sensor(s) each of which detects the temperature of battery cell(s) at a prescribed time interval, a temperature representative value calculation section which calculates a temperature representative value of a time lapse data of temperature(s) detected by the temperature sensor, a radiation characteristic identification section which identifies a radiation characteristic from the temperature representative value and the power representative value, and an air conditioning setting calculation section which calculates an air conditioning setting for the battery cell(s) corresponding to the power representative value by using the radiation characteristic.

First claim

What is claimed is:

1 . A temperature management device, comprising:
a plurality of battery cells; power sensors each of which detects the charge/discharge power of battery cells at a prescribed time interval; a power representative value calculation section which calculates a power representative value of a time lapse data of the charge/discharge powers detected by the power sensor; temperature sensors each of which detects the temperature of battery cells at a prescribed time interval; a temperature representative value calculation section which calculates a temperature representative value of a time lapse data of temperatures detected by the temperature sensor; a radiation characteristic identification section which identifies a radiation characteristic from the temperature representative value and the power representative value; and an air conditioning setting calculation section which calculates an air conditioning setting for the battery cells corresponding to the power representative value by using the radiation characteristic.

2 . The temperature management device according to claim 1 , further comprising:
a charge/discharge time lapse data storage section which stores the charge/discharge powers detected by the power sensor: a battery temperature time lapse data storage section which stores the temperatures detected by the temperature sensor; and a radiation characteristic storage section which stores the radiation characteristic identified by the radiation characteristic identification section.

3 . The temperature management device according to claim 2 , further comprising:
a change determination section which determines whether or not a number or an arrangement of the battery cells is changed from the charge/discharge powers stored in the charge/discharge time lapse data storage section.

4 . The temperature management device according to claim 2 , further comprising:
a demand calculation section which calculates Joule heats to be generated in the battery cells from the charge/discharge powers stored in the charge/discharge time lapse data storage section, and determines the air conditioning setting to remove the Joule heats using the radiation characteristic stored in the radiation characteristic storage section.

5 . The temperature management device according to claim 1 , further comprising:
a temperature unevenness dealing section which changes an air direction with respect to unevennesses of the temperatures of the respective battery cells, to uniformize the temperatures.

6 . The temperature management device according to claim 1 , wherein:
the power representative value is a sum of effective values of charge/discharge powers of the respective battery cells.

7 . The temperature management device according to claim 1 , wherein:
the temperature representative value is an average value of the temperatures of the respective battery cells.

8 . A temperature management device, comprising:
a storage battery section including, a plurality of battery cells, a power sensor which detects a charge/discharge power of each of the battery cells at a prescribed time interval, and a temperature sensor which detects a temperature of each of the battery cells at a prescribed time interval; and a storage battery temperature management section including, a power representative value calculation section which calculates a power representative value from the charge/discharge powers detected by the power sensor, a temperature representative value calculation section which calculates a temperature representative value from the temperatures detected by the temperature sensor, a radiation characteristic identification section which identifies a radiation characteristic from the temperature representative value calculated by the temperature representative value calculation section and the power representative value calculated by the power representative value calculation section, and an air conditioning setting calculation section which calculates and outputs an air conditioning setting of the battery cells from the power representative value calculated by the power representative value calculation section and the radiation characteristic identified by the radiation characteristic identification section.

9 . The temperature management device according to claim 8 , further comprising:
a charge/discharge time lapse data storage section which stores the charge/discharge powers detected by the power sensor: a battery temperature time lapse data storage section which stores the temperatures detected by the temperature sensor; and a radiation characteristic storage section which stores the radiation characteristic identified by the radiation characteristic identification section.

10 . The temperature management device according to claim 9 , further comprising:
a change determination section which determines whether or not a number or an arrangement of the battery cells is changed from the charge/discharge powers stored in the charge/discharge time lapse data storage section.

11 . The temperature management device according to claim 9 , further comprising:
a demand calculation section which calculates Joule heats to be generated in the battery cells from the charge/discharge powers stored in the charge/discharge time lapse data storage section, and determines the air conditioning setting to remove the Joule heats using the radiation characteristic stored in the radiation characteristic storage section.

12 . The temperature management device according to claim 8 , further comprising:
a temperature unevenness dealing section which changes an air direction with respect to unevennesses of the temperatures of the respective battery cells, to uniformize the temperatures.

13 . The temperature management device according to claim 8 , wherein:
the power representative value is a sum of effective values of charge/discharge powers of the respective battery cells.

14 . A temperature management device, comprising:
a power representative value calculation section which calculates a power representative value that is a sum of effective values of charge/discharge powers, from the charge/discharge powers detected by a power sensor to measure the charge/discharge powers of a plurality of battery cells; a temperature representative value calculation section which calculates a temperature representative value that is an average value of temperatures at a prescribed time interval detected by a temperature sensor to measure the temperatures of a plurality of the battery cells; a radiation characteristic identification section which identifies a radiation characteristic from the temperature representative value calculated by the temperature representative value calculation section and the power representative value calculated by the power representative value calculation section; and an air conditioning setting calculation section which calculates and outputs an air conditioning setting of the battery cells from the power representative value calculated by the power representative value calculation section and the radiation characteristic identified by the radiation characteristic identification section.

15 . The temperature management device according to claim 14 , further comprising:
a charge/discharge time lapse data storage section which stores the charge/discharge powers detected by the power sensor: a battery temperature time lapse data storage section which stores the temperatures detected by the temperature sensor; and a radiation characteristic storage section which s

Assignees

• Toshiba Kk

Inventors

• Fujiwara Kenichi
• Yamamoto Takahiro
• Takeuchi Ryosuke
• Sakuma Masatake
• Toyosaki Tomohiro
• Kobayashi Takenori

Classifications

• H01M10/617 Primary

  for achieving uniformity or desired distribution of temperature · CPC title

• G01K3/04

  in respect of time · CPC title

• H01M6/5038

  Heating or cooling of cells or batteries · CPC title

• H01M10/633

  characterised by algorithms, flow charts, software details or the like · CPC title

• H01M10/663

  the system being an air-conditioner or an engine · CPC title