JPH09259939A - On-satellite battery temperature control circuit - Google Patents

On-satellite battery temperature control circuit

Info

Publication number
JPH09259939A
JPH09259939A JP8066097A JP6609796A JPH09259939A JP H09259939 A JPH09259939 A JP H09259939A JP 8066097 A JP8066097 A JP 8066097A JP 6609796 A JP6609796 A JP 6609796A JP H09259939 A JPH09259939 A JP H09259939A
Authority
JP
Japan
Prior art keywords
battery
temperature
dummy load
control circuit
satellite
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP8066097A
Other languages
Japanese (ja)
Other versions
JP2921475B2 (en
Inventor
Masao Furuichi
正生 古市
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Priority to JP8066097A priority Critical patent/JP2921475B2/en
Publication of JPH09259939A publication Critical patent/JPH09259939A/en
Application granted granted Critical
Publication of JP2921475B2 publication Critical patent/JP2921475B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Landscapes

  • Secondary Cells (AREA)
  • Photovoltaic Devices (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Tests Of Electric Status Of Batteries (AREA)

Abstract

PROBLEM TO BE SOLVED: To prevent a temperature rise of a battery due to an overcharge, by consuming a charge current of the battery in accordance with its temperature and charge condition by a battery bus dummy load circuit dispersedly arranged in a satellite. SOLUTION: A battery 1 of a secondary battery mounted on a satellite is charged by supplying a prescribed fixed current from a solar battery through a battery charge control circuit 2. A current, voltage and a temperature of this battery 1 are detected in each sensor 3 to 5, to be input to a battery temperature control circuit 9. In this control circuit 9, in the case of deciding the battery 1 in an overcharge condition of reference temperature or more by a battery condition supervisory circuit 6, a current reduction amount corresponding to reducing this temperature to the reference temperature is calculated, to be transmitted to a dummy load control circuit 7. Here, a dummy load required for a current reducing amount is calculated, a battery bus dummy load circuit network 8 is controlled, a charge current is consumed.

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【発明の属する技術分野】本発明は、衛星に搭載された
バッテリの温度を制御する回路に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a circuit for controlling the temperature of a battery mounted on a satellite.

【０００２】[0002]

【従来の技術】従来、衛星搭載バッテリは、許容温度範
囲内において出力、容量などについて最大性能を発揮す
る。そのため、バッテリの温度が許容温度範囲より下が
るとバッテリに取り付けたヒータを加熱することによっ
て温度を上昇させ、適温になるように温度制御が行われ
ていた。一方、これら衛星搭載用バッテリは、バッテリ
の容量を維持するため、日照時に過充電状態で充電が行
われている。そのため、充電に使用されなかった余剰電
力が熱に変化してバッテリの温度を上昇させ、ときには
許容温度範囲以上にバッテリを加熱させることがあっ
た。2. Description of the Related Art Conventionally, a satellite-mounted battery exerts maximum performance in terms of output, capacity, etc. within an allowable temperature range. Therefore, when the temperature of the battery falls below the allowable temperature range, the temperature attached to the battery is controlled by heating the heater attached to the battery to raise the temperature. On the other hand, these satellite batteries are charged in an overcharged state during daylight in order to maintain the battery capacity. Therefore, the surplus electric power not used for charging changes into heat and raises the temperature of the battery, and sometimes the battery is heated above the allowable temperature range.

【０００３】[0003]

【発明が解決しようとする課題】しかし、従来の衛星搭
載バッテリは、過充電によって温度が上昇した場合にそ
の温度を低下させる手段は存在しないという問題点があ
った。本発明はこのような課題を解決するためのもので
あり、過充電によって上昇したバッテリの温度を低減さ
せることができる衛星搭載バッテリ温度制御回路を提供
することを目的としている。However, the conventional satellite battery has a problem that there is no means for decreasing the temperature when the temperature rises due to overcharging. The present invention is intended to solve such a problem, and an object of the present invention is to provide a satellite-mounted battery temperature control circuit that can reduce the temperature of the battery increased by overcharging.

【０００４】[0004]

【課題を解決するための手段】このような目的を達成す
るために、本発明による衛星搭載バッテリ温度制御回路
は、衛星に分散配置された複数のダミー負荷によって構
成されているバッテリバスダミー負荷回路網と、バッテ
リの温度に応じてバッテリ状態信号を出力するバッテリ
状態監視回路と、バッテリ状態信号に応じてダミー負荷
とバッテリとの接続状態を調整するためのダミー負荷制
御信号を出力するダミー負荷制御回路とを備えている。
このように構成することにより、衛星に分散配置された
ダミー負荷を任意に選択することができ、選択したダミ
ー負荷によってバッテリの充電電流を消費させることに
よってバッテリの温度を低減させることができる。In order to achieve such an object, a satellite-mounted battery temperature control circuit according to the present invention is a battery bus dummy load circuit composed of a plurality of dummy loads distributed in the satellite. A battery, a battery status monitoring circuit that outputs a battery status signal according to the temperature of the battery, and a dummy load control that outputs a dummy load control signal for adjusting the connection status between the dummy load and the battery according to the battery status signal And a circuit.
With this configuration, the dummy loads distributed in the satellite can be arbitrarily selected, and the battery temperature can be reduced by consuming the charging current of the battery by the selected dummy load.

【０００５】[0005]

【発明の実施の形態】次に、本発明の詳細について図面
を参照して説明する。図１は本発明の一つの実施の形態
を示したブロック図である。同図において、１は２次電
池であるバッテリ、２は太陽電池（図示せず）からの所
定の定電流を供給してバッテリ１の充電を行うバッテリ
充電制御回路、３はバッテリ１を充電する電流とバッテ
リ１の電流容量とを検出する電流センサ、４はバッテリ
１の電圧を検出する電圧センサ、５はバッテリ１の温度
を検出する温度センサである。Next, details of the present invention will be described with reference to the drawings. FIG. 1 is a block diagram showing one embodiment of the present invention. In the figure, 1 is a battery which is a secondary battery, 2 is a battery charge control circuit for charging a battery 1 by supplying a predetermined constant current from a solar cell (not shown), and 3 is a battery 1 for charging the battery 1. A current sensor for detecting the current and the current capacity of the battery 1, 4 is a voltage sensor for detecting the voltage of the battery 1, and 5 is a temperature sensor for detecting the temperature of the battery 1.

【０００６】６は温度センサ５の出力からバッテリ１の
温度と所定の基準温度とを比較すると共に、電流センサ
３の出力と電圧センサ４の出力とからバッテリの電圧お
よび電流を監視し、バッテリ１の温度が基準温度以上に
なりかつバッテリ１が過充電状態になると、バッテリの
温度を基準温度まで低減させるのに相当する充電電流低
減量を算定し、この算定結果に基づいてバッテリ状態信
号を出力するバッテリ状態監視回路である。Reference numeral 6 compares the temperature of the battery 1 with the predetermined reference temperature from the output of the temperature sensor 5 and monitors the voltage and current of the battery from the output of the current sensor 3 and the output of the voltage sensor 4 to detect the battery 1 When the temperature of is above the reference temperature and the battery 1 is overcharged, the charging current reduction amount corresponding to reducing the temperature of the battery to the reference temperature is calculated, and the battery state signal is output based on this calculation result. It is a battery status monitoring circuit.

【０００７】７はバッテリ状態信号を受信すると、バッ
テリの温度を低減させるのに必要な台数のダミー負荷
を、衛星内における温度ポテンシャルが小さい位置に配
置されたものから順番に選択するためのダミー負荷制御
信号を出力するダミー負荷制御回路である。８は複数の
ダミー負荷から構成され、ダミー負荷制御信号に応じて
バッテリ１と接続されることによってバッテリ１の電流
を消費するバッテリバスダミー負荷回路網である。ま
た、ダミー負荷は衛星内または衛星外の任意の位置に分
散配置されている。９はバッテリ状態監視回路６とダミ
ー負荷制御回路７とバッテリバスダミー負荷回路網８と
から構成されているバッテリ温度制御回路である。When the battery state signal is received, the dummy load 7 is used to sequentially select the number of dummy loads required to reduce the temperature of the battery from the ones arranged at the positions where the temperature potential is small in the satellite. It is a dummy load control circuit that outputs a control signal. Reference numeral 8 denotes a battery bus dummy load circuit network which is composed of a plurality of dummy loads and which consumes the current of the battery 1 by being connected to the battery 1 according to a dummy load control signal. The dummy loads are distributed and arranged at arbitrary positions inside or outside the satellite. Reference numeral 9 is a battery temperature control circuit including a battery state monitoring circuit 6, a dummy load control circuit 7, and a battery bus dummy load circuit network 8.

【０００８】以上の構成による本発明の動作について図
を用いて詳細に説明する。図２は図１の動作シーケンス
を示すフローチャートである。まず、バッテリ１は、バ
ッテリ充電制御回路２によって所定の定電流が供給され
て充電が行われる。このとき、バッテリ１の電流、電
圧、温度をそれぞれ電流センサ３、電圧センサ４、温度
センサ５によって検出する（Seq.1）。The operation of the present invention having the above configuration will be described in detail with reference to the drawings. FIG. 2 is a flowchart showing the operation sequence of FIG. First, the battery 1 is charged by being supplied with a predetermined constant current by the battery charge control circuit 2. At this time, the current, voltage, and temperature of the battery 1 are detected by the current sensor 3, the voltage sensor 4, and the temperature sensor 5, respectively (Seq. 1).

【０００９】さて、バッテリ１の温度が上昇を始めると
（Seq.2）、バッテリ１の電流と電圧とを監視して過充
電状態か否かを確認する（Seq.3）。バッテリ１の温度
が所定の基準温度以上になり、かつ、過充電状態となる
と（Seq.4）、バッテリ状態監視回路６においてバッテ
リ１の温度を基準温度まで低減させるのに相当する充電
電流低減量を算出し（Seq.5,6）、バッテリ状態信号を
出力する。When the temperature of the battery 1 starts to rise (Seq.2), the current and voltage of the battery 1 are monitored to confirm whether or not it is in an overcharged state (Seq.3). When the temperature of the battery 1 is equal to or higher than a predetermined reference temperature and is in an overcharged state (Seq.4), the charging current reduction amount corresponding to reducing the temperature of the battery 1 to the reference temperature in the battery state monitoring circuit 6 Is calculated (Seq.5,6) and the battery status signal is output.

【００１０】ダミー負荷制御回路は、バッテリ状態信号
を受信すると、バッテリの温度を低減させるのに必要な
台数のダミー負荷を、衛星内における温度ポテンシャル
が小さい位置に配置されたものから順番に選択する。そ
して、選択したダミー負荷を動作させるためダミー負荷
制御信号を出力する（Seq.7,8）。ダミー負荷制御信号
によって指定されたダミー負荷はバッテリ１と接続さ
れ、バッテリ１の充電電流を消費する（Seq.9）。その
結果、バッテリ１の充電に使用される電流は減少する
（Seq.10 ）。こうして、衛星の温度ポテンシャルに影
響を与えることなくバッテリ１の温度は低下する（Seq.
11 ）。以降、Seq.1に戻って、バッテリ状態監視回路６
によるバッテリ１の状態監視が継続される。Upon receiving the battery status signal, the dummy load control circuit sequentially selects the number of dummy loads required to reduce the temperature of the battery from those arranged at positions where the temperature potential in the satellite is small. . Then, a dummy load control signal is output to operate the selected dummy load (Seq.7, 8). The dummy load designated by the dummy load control signal is connected to the battery 1 and consumes the charging current of the battery 1 (Seq.9). As a result, the current used to charge the battery 1 decreases (Seq.10). In this way, the temperature of the battery 1 decreases without affecting the temperature potential of the satellite (Seq.
11). After that, returning to Seq.1, the battery state monitoring circuit 6
The state monitoring of the battery 1 is continued.

【００１１】[0011]

【発明の効果】以上説明したように、本発明は、衛星に
分散配置されたダミー負荷を任意に選択して充電電流を
消費できるように構成されているため、衛星内部の機器
に温度変化の影響を与えることなく、過充電によるバッ
テリの温度上昇を防止することができる。As described above, according to the present invention, the dummy loads distributed in the satellite are arbitrarily selected so that the charging current can be consumed. It is possible to prevent the temperature of the battery from rising due to overcharging without affecting.

【図面の簡単な説明】[Brief description of drawings]

【図１】 本発明の一つの実施の形態を示すブロック図
である。FIG. 1 is a block diagram showing one embodiment of the present invention.

【図２】 図１の動作シーケンスを示すフローチャート
である。FIG. 2 is a flowchart showing the operation sequence of FIG.

【符号の説明】[Explanation of symbols]

１…バッテリ、２…バッテリ充電制御回路、３…電流セ
ンサ、４…電圧センサ、５…温度センサ、６…バッテリ
状態監視回路、７…ダミー負荷制御回路、８…バッテリ
バスダミー負荷回路網、９…バッテリ温度制御回路。1 ... Battery, 2 ... Battery charge control circuit, 3 ... Current sensor, 4 ... Voltage sensor, 5 ... Temperature sensor, 6 ... Battery condition monitoring circuit, 7 ... Dummy load control circuit, 8 ... Battery bus dummy load circuit network, 9 … Battery temperature control circuit.

───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｈ０２Ｊ 7/35 Ｈ０１Ｌ 31/04 Ｋ ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 6 Identification code Internal reference number FI Technical display location H02J 7/35 H01L 31/04 K

Claims (3)

【特許請求の範囲】[Claims] 【請求項１】 衛星に分散配置された複数のダミー負荷
によって構成されているバッテリバスダミー負荷回路網
と、 バッテリの温度と充電状態とに応じてバッテリ状態信号
を出力するバッテリ状態監視回路と、 バッテリ状態信号に応じてダミー負荷とバッテリとの接
続状態を調整するためのダミー負荷制御信号を出力する
ダミー負荷制御回路とを備え、ダミー負荷制御信号に応
じてバッテリとダミー負荷とを接続してバッテリの充電
電流を消費させることを特徴とする衛星搭載バッテリ温
度制御回路。1. A battery bus dummy load circuit network composed of a plurality of dummy loads distributed on a satellite, and a battery condition monitoring circuit for outputting a battery condition signal according to the temperature and the charge condition of the battery, A dummy load control circuit that outputs a dummy load control signal for adjusting the connection state between the dummy load and the battery according to the battery state signal is provided, and the battery and the dummy load are connected according to the dummy load control signal. A satellite-mounted battery temperature control circuit that consumes battery charging current. 【請求項２】 請求項１において、 バッテリ状態監視回路は、バッテリの温度と所定の基準
温度とを比較すると共にバッテリの電流および電圧を監
視し、バッテリの温度が基準温度以上になりかつバッテ
リが過充電状態になると、バッテリの温度を基準温度ま
で低減させるのに相当する充電電流低減量を算定し、こ
の算定結果に基づいてバッテリ状態信号を出力すること
を特徴とする衛星搭載バッテリ温度制御回路。2. The battery condition monitoring circuit according to claim 1, wherein the battery state monitoring circuit compares the temperature of the battery with a predetermined reference temperature and monitors the current and voltage of the battery, and the temperature of the battery becomes equal to or higher than the reference temperature and When the battery is overcharged, the amount of charge current reduction required to reduce the battery temperature to the reference temperature is calculated, and the battery status signal is output based on this calculation result. . 【請求項３】 請求項１または２において、 ダミー負荷制御回路は、バッテリ状態信号を受信する
と、バッテリの温度を低減させるのに必要な台数のダミ
ー負荷を、衛星内における温度ポテンシャルが小さい位
置に配置されたものから順番に選択するためのダミー負
荷制御信号を出力することを特徴とする衛星搭載バッテ
リ温度制御回路。3. The dummy load control circuit according to claim 1, when the dummy load control circuit receives the battery status signal, sets the number of dummy loads required to reduce the battery temperature to a position where the temperature potential in the satellite is small. A satellite-mounted battery temperature control circuit, which outputs a dummy load control signal for sequentially selecting the arranged ones.
JP8066097A 1996-03-22 1996-03-22 Satellite-mounted battery temperature control circuit Expired - Lifetime JP2921475B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8066097A JP2921475B2 (en) 1996-03-22 1996-03-22 Satellite-mounted battery temperature control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8066097A JP2921475B2 (en) 1996-03-22 1996-03-22 Satellite-mounted battery temperature control circuit

Publications (2)

Publication Number Publication Date
JPH09259939A true JPH09259939A (en) 1997-10-03
JP2921475B2 JP2921475B2 (en) 1999-07-19

Family

ID=13306044

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8066097A Expired - Lifetime JP2921475B2 (en) 1996-03-22 1996-03-22 Satellite-mounted battery temperature control circuit

Country Status (1)

Country Link
JP (1) JP2921475B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1091439A2 (en) * 1999-09-17 2001-04-11 Japan Storage Battery Co., Ltd. Non-aqueous electrolytic battery module for artificial satellite
JP2001155783A (en) * 1999-09-17 2001-06-08 Japan Storage Battery Co Ltd Non-aqueous electrolyte battery device for satellite
CN107957740A (en) * 2017-11-15 2018-04-24 华南理工大学 A kind of spaceborne temperature-controlling system using thermal conductive wire

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1091439A2 (en) * 1999-09-17 2001-04-11 Japan Storage Battery Co., Ltd. Non-aqueous electrolytic battery module for artificial satellite
JP2001155783A (en) * 1999-09-17 2001-06-08 Japan Storage Battery Co Ltd Non-aqueous electrolyte battery device for satellite
EP1091439A3 (en) * 1999-09-17 2002-03-06 Japan Storage Battery Co., Ltd. Non-aqueous electrolytic battery module for artificial satellite
JP4543208B2 (en) * 1999-09-17 2010-09-15 株式会社Ｇｓユアサ Non-aqueous electrolyte battery device for artificial satellite
CN107957740A (en) * 2017-11-15 2018-04-24 华南理工大学 A kind of spaceborne temperature-controlling system using thermal conductive wire

Also Published As

Publication number Publication date
JP2921475B2 (en) 1999-07-19

Similar Documents

Publication Publication Date Title
US7330013B2 (en) Apparatus and method for charging and discharging a battery
US9045047B2 (en) Storage battery
US6781343B1 (en) Hybrid power supply device
EP0858689B1 (en) System for equalizing the level of charge in batteries
US3987352A (en) Method of charging storage battery in power supply system having another battery of larger capacity
US20130181526A1 (en) Power supply system
JP2000228832A (en) Control method of charging and discharging
CN110431708B (en) Heater control system and method for battery pack having parallel connection structure
KR20170122063A (en) Method for controlling start of fuel cell vehicle
CN110277807B (en) Charging current control method and apparatus, battery management system, vehicle, device, and computer-readable storage medium
JP2002034162A (en) Distributed power supply system and its control method
KR100322859B1 (en) Method for charging secondary batteries in high-speed and charging apparatus therefor
JPH09200968A (en) Charge controller for battery set
JP2921475B2 (en) Satellite-mounted battery temperature control circuit
KR20180049545A (en) Battery pack with multi-charging function and energy storage system considered extensibility of battery pack
CN111937269A (en) Power storage system and charge control method
CN112928798B (en) Electric quantity control method and device of energy storage equipment and energy storage equipment
JP3177405B2 (en) Secondary battery charge / discharge control method and device
KR20180049543A (en) Energy storage system considered extensibility of battery pack and method for controlling therefor
WO2021038762A1 (en) Charge/discharge control device, electricity storage system, and charge/discharge control method
JPH1032020A (en) Charge and discharge control method for sealed type lead-acid battery
US20240106254A1 (en) Power Storage System
JP7050260B1 (en) Charging / discharging control system for storage batteries
WO2023037599A1 (en) Power storage system and method for controlling charging thereof
JPS6398712A (en) Controller for power generating system of fuel cell

Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees