JP2881946B2 - Vehicle charge control device - Google Patents

Vehicle charge control device

Info

Publication number
JP2881946B2
JP2881946B2 JP2112460A JP11246090A JP2881946B2 JP 2881946 B2 JP2881946 B2 JP 2881946B2 JP 2112460 A JP2112460 A JP 2112460A JP 11246090 A JP11246090 A JP 11246090A JP 2881946 B2 JP2881946 B2 JP 2881946B2
Authority
JP
Japan
Prior art keywords
terminal
battery
batteries
generator
control device
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.)
Expired - Fee Related
Application number
JP2112460A
Other languages
Japanese (ja)
Other versions
JPH0412638A (en
Inventor
一夫 野本
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.)
Denso Corp
Original Assignee
Denso Corp
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Filing date
Publication date
Application filed by Denso Corp filed Critical Denso Corp
Priority to JP2112460A priority Critical patent/JP2881946B2/en
Publication of JPH0412638A publication Critical patent/JPH0412638A/en
Application granted granted Critical
Publication of JP2881946B2 publication Critical patent/JP2881946B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/007—Physical arrangements or structures of drive train converters specially adapted for the propulsion motors of electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/10—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
    • B60L50/16—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines with provision for separate direct mechanical propulsion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
    • B60L58/19—Switching between serial connection and parallel connection of battery modules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
    • B60L58/21—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having the same nominal voltage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2210/00—Converter types
    • B60L2210/40—DC to AC converters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/44—Drive Train control parameters related to combustion engines
    • B60L2240/441—Speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/54—Drive Train control parameters related to batteries
    • B60L2240/547—Voltage
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/64—Electric machine technologies in electromobility
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、エンジンが低回転時においても、発電機が
高出力を発生し、電気負荷に充分な電流を供給するよう
に構成された車両用充電制御装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a vehicle configured such that a generator generates a high output and supplies a sufficient current to an electric load even when an engine is running at a low speed. The present invention relates to a charge control device for a vehicle.

〔従来の技術〕[Conventional technology]

従来の車両用充電制御装置においては、エンジン始動
用のスタータモータを駆動する時に大電流を必要とする
ため、２個のバッテリを備え、スタータモータの駆動時
には、スタータスイッチに連動する切替えスイッチによ
りバッテリを直列に接続して、スタータモータに大電流
を供給し、その後、エンジンが始動してスタータスイッ
チを停止すると共に、バッテリを並列に接続するよう構
成している。The conventional vehicle charging control device requires two batteries for driving a starter motor for starting the engine, and therefore requires two batteries. When the starter motor is driven, the battery is controlled by a changeover switch linked to a starter switch. Are connected in series to supply a large current to the starter motor, and then the engine is started to stop the starter switch, and the batteries are connected in parallel.

〔発明が解決しようとする課題〕[Problems to be solved by the invention]

近年、車両の高性能化に伴い、電気負荷が大幅に増大
し、スタータモータ駆動時に限らず、大電流を必要とす
る傾向にある。2. Description of the Related Art In recent years, with an increase in the performance of a vehicle, an electric load has significantly increased, and a large current tends to be required not only when a starter motor is driven.

ところが、上述した車両用充電制御装置にあっては、
スタータモータ駆動時以外では、２個のバッテリは並列
に接続されるため、界磁巻線には１個分の電圧しか印加
されず、界磁巻線に流す電流には限りがある。さらに、
エンジンの低回転時には、界磁巻線をフル励磁した時の
発電機の出力電流であっても、増大した各電気負荷が必
要とする電流に対して不足し、充分な電流を供給するこ
とができな場合が生じるという問題がある。However, in the vehicle charging control device described above,
Except when the starter motor is driven, the two batteries are connected in parallel, so that only one voltage is applied to the field winding, and the current flowing through the field winding is limited. further,
When the engine is running at low speed, the output current of the generator when the field winding is fully excited is insufficient for the current required by each increased electric load, and sufficient current can be supplied. There is a problem that it may not be possible.

そこで本発明は、発電機の出力不足を検出して複数の
バッテリの接続を切替えることで発電機が高出力を発生
できるようにすることを目的とする。Accordingly, an object of the present invention is to enable a generator to generate a high output by detecting a shortage of output of the generator and switching connections of a plurality of batteries.

さらに本発明は、エンジン回転数が低いときにも発電
機が高出力を発生できるようにすることを他の目的とす
る。Still another object of the present invention is to enable the generator to generate high output even when the engine speed is low.

〔問題点を解決するための手段〕[Means for solving the problem]

上記目的を達成するために本発明では、第１のバッテ
リ（３）の第１の端子（31）に接続される界磁巻線（1
3）と、前記第１の端子と同極性である第２のバッテリ
（４）の第１の端子（41）に接続される固定子巻線（1
1）とを有し、エンジンによって駆動されて前記第２の
バッテリを充電する発電機（１）と、 前記界磁巻線に流れる電流を調整して、前記発電機の
出力電圧を調節し、前記第２のバッテリの電圧を所望の
電圧に制御する電圧制御手段（２）と、 前記第１のバッテリの第２の端子（32）と、前記第２
のバッテリの第１の端子とを接続して、前記第１、第２
のバッテリの接続関係を直列にし、また、前記第１、第
２のバッテリの第１の端子同士を、および第２の端子同
士をそれぞれ接続して、前記第１、第２のバッテリを接
続関係を並列にする切替え手段（６）と、 前記第２のバッテリの第１の端子に接続される電気負
荷（７）と、 前記発電機の出力が不足する状態を検出し、不足状態
を検出するとき前記第１、第２のバッテリを直列接続し
て前記界磁巻線に給電し、前記検出手段が不足状態を検
出しないとき前記第１、第２のバッテリを並列接続して
前記第１、第２のバッテリの両方が充電されるように前
記切替え手段を制御する検出手段（５）と を備えることを特徴とする車両用充電制御装置という技
術的手段を採用する。In order to achieve the above object, according to the present invention, a field winding (1) connected to a first terminal (31) of a first battery (3) is provided.
3) and a stator winding (1) connected to a first terminal (41) of a second battery (4) having the same polarity as the first terminal.
A) a generator driven by an engine to charge the second battery, and a current flowing through the field winding to adjust an output voltage of the generator; A voltage control means (2) for controlling the voltage of the second battery to a desired voltage; a second terminal (32) of the first battery;
Connected to the first terminal of the battery of the first and second batteries.
Are connected in series, the first terminals of the first and second batteries are connected to each other, and the second terminals are connected to each other to connect the first and second batteries. Switching means (6) for parallelizing the power supply, an electric load (7) connected to the first terminal of the second battery, and a state in which the output of the generator is insufficient, and detecting an insufficient state. When the first and second batteries are connected in series to supply electric power to the field winding, and when the detecting means does not detect the shortage state, the first and second batteries are connected in parallel and the first and second batteries are connected. And a detecting means (5) for controlling the switching means so that both of the second batteries are charged. Technical means called a vehicle charging control device is adopted.

なお、前記検出手段は、エンジン回転数に応じて前記
発電機の出力が不足する状態を検出するという技術的手
段を採用してもよい。The detecting means may employ a technical means for detecting a state where the output of the generator is insufficient according to the engine speed.

また、前記第１のバッテリの第１の端子に接続される
スタータモータをさらに備え、前記検出手段は前記スタ
ータモータが駆動される時のエンジン回転数に応じて不
足状態を検出し、前記第１、第２のバッテリを直列接続
して前記スタータモータに給電するという技術的手段を
採用してもよい。The apparatus further includes a starter motor connected to a first terminal of the first battery, wherein the detecting means detects an insufficiency state according to an engine speed when the starter motor is driven, and The second battery may be connected in series to supply power to the starter motor.

〔作用および発明の効果〕[Action and effect of the invention]

請求項１記載の構成によると、発電機の出力不足が検
出される時には第１、第２のバッテリが直列接続されて
界磁巻線には高い電圧が供給され、高出力の発電が可能
となる。一方、発電不足が検出されないときには２つの
バッテリが並列接続されるので、低い電圧が界磁巻線に
供給されるとともに、２つのバッテリが共に充電され
る。According to the configuration of the first aspect, when the output shortage of the generator is detected, the first and second batteries are connected in series, a high voltage is supplied to the field winding, and high-output power generation is possible. Become. On the other hand, when insufficient power generation is not detected, the two batteries are connected in parallel, so that a low voltage is supplied to the field winding and the two batteries are charged together.

このため、本発明によると、バッテリの直並列を切替
えによって発電機の高出力と、両バッテリの充電とを可
能とすることができる。For this reason, according to the present invention, high output of the generator and charging of both batteries can be made possible by switching the series / parallel of the batteries.

請求項２記載の構成によると、発電機の出力不足がエ
ンジン回転数に応じて検出される。このため、回転数が
低いときには発電機の出力不足を検出してバッテリを直
列接続として界磁巻線に高い電圧を印加して回転数の低
さを補って発電機の出力の向上を図ることができる。According to the configuration of the second aspect, the output shortage of the generator is detected according to the engine speed. For this reason, when the rotation speed is low, the output of the generator is detected to be insufficient and the battery is connected in series to apply a high voltage to the field winding to compensate for the low rotation speed and improve the output of the generator. Can be.

請求項３記載の構成によると、回転数が低いときには
発電機の出力不足を検出してバッテリを直列接続として
界磁巻線に高い電圧を印加するとともに、スタータモー
タにも高い電圧を供給する。このため、エンジン始動時
にはスタータモータを強力に駆動することができる。According to the third aspect of the invention, when the number of rotations is low, the output of the generator is detected to be insufficient, a battery is connected in series to apply a high voltage to the field winding, and a high voltage is also supplied to the starter motor. For this reason, the starter motor can be driven strongly when the engine is started.

〔実施例〕〔Example〕

以下、本発明の充電制御装置を示す実施例を図に基づ
いて説明する。Hereinafter, an embodiment showing a charge control device of the present invention will be described with reference to the drawings.

第１図において、１は発電機であり、固定子巻線をな
す三相電機子巻線11、全波整流器12、及び、界磁巻線13
とからなり、周知のように、エンジンにより、ベルト及
びプーリを介して駆動される。In FIG. 1, reference numeral 1 denotes a generator, a three-phase armature winding 11, which forms a stator winding, a full-wave rectifier 12, and a field winding 13
And is driven by an engine via a belt and a pulley, as is well known.

電圧制御回路２は、周知の如く、発電機１の界磁巻線
13に流れる界磁電流を制御して、発電機１の出力を調節
し、第２のバッテリ４の電圧を所定値に制御するもので
ある。そして、キースイッチ９を介して、第２のバッテ
リ４の（＋）端子41に接続されている。The voltage control circuit 2 is, as is well known, a field winding of the generator 1.
The controller controls the field current flowing through the power supply 13 to adjust the output of the generator 1, and controls the voltage of the second battery 4 to a predetermined value. Then, it is connected to the (+) terminal 41 of the second battery 4 via the key switch 9.

３は第１のバッテリであり、第１の端子をなす（＋）
端子31が界磁巻線13に接続されている。Reference numeral 3 denotes a first battery, which forms a first terminal (+)
Terminal 31 is connected to field winding 13.

４は第２のバッテリであり、第１の端子をなす（＋）
端子41が全波整流器12に接続されている。Reference numeral 4 denotes a second battery, which forms a first terminal (+)
Terminal 41 is connected to full-wave rectifier 12.

５は回転数検出回路であり、三相電機子巻線11の一相
より信号を入力して回転数を検出し、この回転数に応じ
てリレー駆動用トランジスタ61を駆動する。そして、キ
ースイッチ９を介して、第２のバッテリ４の（＋）端子
41に接続されている。Reference numeral 5 denotes a rotation speed detection circuit which detects a rotation speed by inputting a signal from one phase of the three-phase armature winding 11, and drives a relay driving transistor 61 according to the rotation speed. Then, via the key switch 9, the (+) terminal of the second battery 4
Connected to 41.

６は切替え手段であり、切替えリレー62とリレー駆動
用トランジスタ61とで構成される。切替えリレー62は、
固定接点621〜626、リレーコイル627、及び、可動接点6
28を備え、固定接点621、622には第１のバッテリ３の第
２の端子をなす（−）端子32が、固定接点623には第１
のバッテリ３の（＋）端子31が、それぞれ接続され、固
定接点624、626には第２のバッテリ４の（＋）端子41
が、固定接点625には第２のバッテリ４の第２の端子を
なす（−）端子42が、それぞれ接続されている。Reference numeral 6 denotes switching means, which comprises a switching relay 62 and a transistor 61 for driving a relay. The switching relay 62
Fixed contact 621-626, relay coil 627, and movable contact 6
The fixed contact 621, 622 has a (−) terminal 32, which is a second terminal of the first battery 3, and the fixed contact 623 has a first terminal 32.
(+) Terminal 31 of the second battery 4 is connected to the fixed contacts 624 and 626, respectively.
However, to the fixed contact 625, a (-) terminal 42, which is a second terminal of the second battery 4, is connected.

また、リレーコイル627は、一端が第１のバッテリ３
の（＋）端子31に、他端がリレー駆動用トランジスタ61
のコレクタに、それぞれ接続されている。The relay coil 627 has one end connected to the first battery 3.
The (+) terminal 31 of the other, the other end is a transistor 61
Are connected to the respective collectors.

そして、リレーコイル627が通電されると、可動接点
により、固定接点621と624とが接続されて、第１、第２
のバッテリ３、４は直列に接続され、一方、リレーコイ
ル627が遮断されると、可動接点により、固定接点622と
625、623と626とがそれぞれ接続されて、第１、第２の
バッテリは並列に接続されるよう構成している。When the relay coil 627 is energized, the fixed contacts 621 and 624 are connected by the movable contact, and the first and second contacts are connected.
The batteries 3 and 4 are connected in series, while when the relay coil 627 is cut off, the movable contact
625, 623 and 626 are respectively connected, and the first and second batteries are connected in parallel.

７は電気負荷であり、例えば、フューエルポンプ、オ
ートチョーク等がある。Reference numeral 7 denotes an electric load, such as a fuel pump and an auto choke.

８はスタータモータ、10はスタータスイッチであり、
スタータモータ８はスタータスイッチ10を介して、第１
のバッテリ３の（＋）端子31に接続されている。8 is a starter motor, 10 is a starter switch,
The starter motor 8 is connected to the first
Is connected to the (+) terminal 31 of the battery 3.

次に上記構成の充電制御装置の作動について説明す
る。Next, the operation of the charging control device having the above configuration will be described.

まず、エンジン始動時について説明する。 First, a description will be given of when the engine is started.

キースイッチ９の投入により、回転数検出回路５が作
動する。この時、エンジンの回転数は０であり、回転数
検出回路５によりリレー駆動用トランジスタ61がONし、
リレーコイル627が通電され、第１、第２のバッテリ
３、４は直列に接続される。When the key switch 9 is turned on, the rotation speed detection circuit 5 operates. At this time, the rotation speed of the engine is 0, the relay driving transistor 61 is turned on by the rotation speed detection circuit 5,
The relay coil 627 is energized, and the first and second batteries 3, 4 are connected in series.

スタータスイッチ10をONすると、直列に接続された第
１、第２のバッテリ３、４により、スタータモータ８に
大電流が供給され、容易にスタータモータ８を駆動でき
る。When the starter switch 10 is turned on, a large current is supplied to the starter motor 8 by the first and second batteries 3 and 4 connected in series, so that the starter motor 8 can be easily driven.

次に、エンジンが所定値以下の低回転で駆動している
時について説明する。Next, a case where the engine is driven at a low speed equal to or lower than a predetermined value will be described.

この場合にも、回転数検出回路５によりリレー駆動用
トランジスタ61がONされ、リレーコイル627が通電され
ることにより、第１、第２のバッテリ３、４は直列に接
続されている。Also in this case, the first and second batteries 3 and 4 are connected in series by turning on the relay driving transistor 61 by the rotation speed detection circuit 5 and energizing the relay coil 627.

そして、界磁巻線13には、直列に接続された第１、第
２のバッテリ３、４からの電流が供給され、一方、電気
負荷７には、第２のバッテリ４、又は、発電機１からの
電流が供給される。The current from the first and second batteries 3 and 4 connected in series is supplied to the field winding 13, while the second battery 4 or the generator is connected to the electric load 7. Current from 1 is supplied.

従って、電気負荷７が大電流を必要とする場合でも、
界磁巻線13に大電流を供給して発電機の出力を大きく
し、この電気負荷７に充分な電流を供給することができ
る。Therefore, even when the electric load 7 requires a large current,
A large current can be supplied to the field winding 13 to increase the output of the generator, and a sufficient current can be supplied to the electric load 7.

さらに、エンジンの回転数が所定値以上の時には、回
転数検出回路５によりリレー駆動用トランジスタ61がOF
Fし、リレーコイル627が遮断され、第１、第２のバッテ
リ３、４は並列に接続される。Further, when the engine speed is equal to or higher than a predetermined value, the relay driving transistor 61 is turned off by the speed detecting circuit 5.
F, the relay coil 627 is shut off, and the first and second batteries 3 and 4 are connected in parallel.

そして、界磁巻線13には、これら並列に接続された第
１、第２のバッテリ３、４の電圧が印加される。この
時、エンジンは高回転であり、バッテリ１個分の電圧で
も、発電機１は充分な出力を発生する。The voltage of the first and second batteries 3 and 4 connected in parallel is applied to the field winding 13. At this time, the engine is rotating at high speed, and the generator 1 generates a sufficient output even with the voltage of one battery.

また、電圧制御回路２によりこれら２つのバッテリの
電圧は所望の電圧に制御される。Further, the voltage of these two batteries is controlled to a desired voltage by the voltage control circuit 2.

上述したように、本発明の充電制御装置においては、
エンジン始動時に、直列に接続された２つのバッテリに
より、スタータモータに大電流を流すことができ、エン
ジンが低回転時にも、直列に接続された２つのバッテリ
により、界磁巻線に大電流を供給することで発電機の出
力を大きくすることができる。As described above, in the charge control device of the present invention,
When the engine is started, a large current can flow to the starter motor by the two batteries connected in series. Even when the engine is running at a low speed, a large current can be applied to the field winding by the two batteries connected in series. By supplying the power, the output of the generator can be increased.

さらに、エンジン始動時、及び、エンジンが低回転時
に、界磁巻線を通電することに使用された第１のバッテ
リは、エンジンの回転数が所定値以上に上昇した際に、
第２のバッテリと共に充分に充電することができる。Further, when the engine is started, and when the engine is running at a low speed, the first battery used for energizing the field winding is configured such that when the engine speed increases to a predetermined value or more,
The battery can be sufficiently charged together with the second battery.

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

第１図は、本発明の充電制御装置を示す実施例の電気回
路図である。 １……発電機,11……三相電機子巻線（固定子巻線）,13
……界磁巻線,2……電圧制御回路,3……第１のバッテ
リ,31、32……第１のバッテリの第１の端子（（＋）端
子）、第２の端子（（−）端子）,4……第２のバッテ
リ,41、42……第２のバッテリの第１の端子（（＋）端
子）、第２の端子（（−）端子）,5……回転数検出回
路,6……切替え手段,61……リレー駆動用トランジスタ,
62……切替えリレー,7……電気負荷,8……スタータモー
タ。FIG. 1 is an electric circuit diagram of an embodiment showing a charge control device of the present invention. 1 ... generator, 11 ... three-phase armature winding (stator winding), 13
... Field winding, 2... Voltage control circuit, 3... First battery, 31, 32... First battery first terminal ((+) terminal), second terminal ((− ) Terminal), 4... Second battery, 41, 42... First terminal ((+) terminal), second terminal ((−) terminal) of the second battery, 5. Circuit, 6 ... switching means, 61 ... transistor for driving relay,
62 ... Switching relay, 7 ... Electrical load, 8 ... Starter motor.

Claims (3)

(57)【特許請求の範囲】(57) [Claims] 【請求項１】第１のバッテリ（３）の第１の端子（31）
に接続される界磁巻線（13）と、前記第１の端子と同極
性である第２のバッテリ（４）の第１の端子（41）に接
続される固定子巻線（11）とを有し、エンジンによって
駆動されて前記第２のバッテリを充電する発電機（１）
と、 前記界磁巻線に流れる電流を調整して、前記発電機の出
力電圧を調節し、前記第２のバッテリの電圧を所望の電
圧に制御する電圧制御手段（２）と、 前記第１のバッテリの第２の端子（32）と、前記第２の
バッテリの第１の端子とを接続して、前記第１、第２の
バッテリの接続関係を直列にし、また、前記第１、第２
のバッテリの第１の端子同士を、および第２の端子同士
をそれぞれ接続して、前記第１、第２のバッテリを接続
関係を並列にする切替え手段（６）と 前記第２のバッテリの第１の端子に接続される電気負荷
（７）と、 前記発電機の出力が不足する状態を検出し、不足状態を
検出するとき前記第１、第２のバッテリを直列接続して
前記界磁巻線に給電し、前記検出手段が不足状態を検出
しないとき前記第１、第２のバッテリを並列接続して前
記第１、第２のバッテリの両方が充電されるように前記
切替え手段を制御する検出手段（５）と を備えることを特徴とする車両用充電制御装置。1. A first terminal (31) of a first battery (3).
And a stator winding (11) connected to a first terminal (41) of a second battery (4) having the same polarity as the first terminal. A generator driven by an engine to charge the second battery
A voltage control unit (2) that adjusts a current flowing through the field winding to adjust an output voltage of the generator, and controls a voltage of the second battery to a desired voltage; The second terminal (32) of the second battery is connected to the first terminal of the second battery, so that the connection relationship between the first and second batteries is connected in series, and the first and second batteries are connected. 2
Switching means (6) for connecting the first terminal of the battery and the second terminal thereof to connect the first and second batteries in parallel with each other; An electric load (7) connected to the first terminal; and a state in which the output of the generator is insufficient. When detecting the insufficient state, the first and second batteries are connected in series to form the field winding. When the detecting means does not detect the shortage state, the first and second batteries are connected in parallel and the switching means is controlled so that both the first and second batteries are charged. A charging control device for a vehicle, comprising: detecting means (5). 【請求項２】前記検出手段は、エンジン回転数に応じて
前記発電機の出力が不足する状態を検出することを特徴
とする請求項１記載の車両用充電制御装置。2. The vehicle charge control device according to claim 1, wherein said detection means detects a state in which the output of said generator is insufficient according to the engine speed. 【請求項３】前記第１のバッテリの第１の端子に接続さ
れるスタータモータをさらに備え、前記検出手段は前記
スタータモータが駆動される時のエンジン回転数に応じ
て不足状態を検出し、前記第１、第２のバッテリを直列
接続して前記スタータモータに給電することを特徴とす
る請求項２記載の車両用充電制御装置。3. A starter motor connected to a first terminal of the first battery, wherein the detecting means detects a shortage state according to an engine speed when the starter motor is driven, 3. The vehicle charging control device according to claim 2, wherein the first and second batteries are connected in series to supply power to the starter motor.
JP2112460A 1990-04-27 1990-04-27 Vehicle charge control device Expired - Fee Related JP2881946B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2112460A JP2881946B2 (en) 1990-04-27 1990-04-27 Vehicle charge control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2112460A JP2881946B2 (en) 1990-04-27 1990-04-27 Vehicle charge control device

Publications (2)

Publication Number Publication Date
JPH0412638A JPH0412638A (en) 1992-01-17
JP2881946B2 true JP2881946B2 (en) 1999-04-12

Family

ID=14587190

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2112460A Expired - Fee Related JP2881946B2 (en) 1990-04-27 1990-04-27 Vehicle charge control device

Country Status (1)

Country Link
JP (1) JP2881946B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010273427A (en) * 2009-05-20 2010-12-02 Nissan Motor Co Ltd Power supply device for electric vehicles and battery pack
JP2015105045A (en) * 2013-11-29 2015-06-08 トヨタ自動車株式会社 Power converter control apparatus

Also Published As

Publication number Publication date
JPH0412638A (en) 1992-01-17

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