JP2015113029A - Power supply for vehicle - Google Patents
Power supply for vehicle Download PDFInfo
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- JP2015113029A JP2015113029A JP2013257125A JP2013257125A JP2015113029A JP 2015113029 A JP2015113029 A JP 2015113029A JP 2013257125 A JP2013257125 A JP 2013257125A JP 2013257125 A JP2013257125 A JP 2013257125A JP 2015113029 A JP2015113029 A JP 2015113029A
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Description
本発明は、電源の冗長化を図るために２基のバッテリーを備えた自動車用電源装置に関するものである。 The present invention relates to an automotive power supply apparatus having two batteries in order to make power supply redundant.
近年、電源の不良により自動車が走行不能となる状態の発生を防止するために、２基のバッテリーを備えて電源の冗長化を図り、一方のバッテリーが失陥しても、他方のバッテリーにより走行状態を維持可能とするようにした自動車用電源装置が実用化されている。 In recent years, in order to prevent the occurrence of a situation in which a car cannot run due to a power failure, the power supply is made redundant by providing two batteries, and even if one battery fails, it can run with the other battery. A power supply device for automobiles that can maintain the state has been put into practical use.
図３に示す自動車用電源装置では、２基のバッテリー１，２からそれぞれリレー３，４を介して一対の前照灯５，６と一対の尾灯７，８に電力が供給されている。各リレー３，４は、電源制御ＥＣＵ９により開閉制御されるとともに、各バッテリー１，２の出力電圧は、電源制御ＥＣＵ９により監視されている。電源制御ＥＣＵ９は、バッテリー１，２から供給される電力に基づいて動作する。 In the automobile power supply device shown in FIG. 3, electric power is supplied from the two batteries 1 and 2 to the pair of headlamps 5 and 6 and the pair of taillights 7 and 8 via the relays 3 and 4, respectively. The relays 3 and 4 are controlled to be opened and closed by the power supply control ECU 9, and the output voltages of the batteries 1 and 2 are monitored by the power supply control ECU 9. The power supply control ECU 9 operates based on the electric power supplied from the batteries 1 and 2.
このような自動車用電源装置では、通常時には例えばリレー３が導通状態に維持されるとともに、リレー４が不導通状態に維持され、前照灯５，６及び尾灯７，８はバッテリー１から供給される電力により点灯される。 In such an automobile power supply device, for example, the relay 3 is maintained in a conductive state and the relay 4 is maintained in a non-conductive state at normal times, and the headlights 5 and 6 and the taillights 7 and 8 are supplied from the battery 1. It is lit by the electric power.
また、バッテリー１が失陥すると、電源制御ＥＣＵ９によりリレー３が不導通状態に切り替えられるとともに、リレー４が導通状態に切り替えられ、前照灯５，６及び尾灯７，８はバッテリー２から供給される電力により点灯される。 When the battery 1 is lost, the relay 3 is switched to the non-conductive state by the power control ECU 9 and the relay 4 is switched to the conductive state. The headlamps 5 and 6 and the taillights 7 and 8 are supplied from the battery 2. It is lit by the electric power.
特許文献１には、複数の負荷に対し電力を供給する電源を切り替え可能とした電力供給装置が開示されている。 Patent Document 1 discloses a power supply device that can switch a power supply that supplies power to a plurality of loads.
上記のような自動車用電源装置では、例えばリレー３が導通状態で、バッテリー１が失陥し、さらに電源制御ＥＣＵ９が失陥してリレーの切替制御ができないと、前照灯５，６及び尾灯７，８がすべて消灯状態となる。 In the power supply device for automobiles as described above, for example, if the relay 3 is in a conductive state, the battery 1 is lost, and the power supply control ECU 9 is lost, and the switching control of the relay cannot be performed, the headlamps 5 and 6 and the tail lamp 7 and 8 are all turned off.
従って、バッテリー１，２のいずれかが失陥していなくても、前照灯５，６及び尾灯７，８がすべて消灯状態となるという問題点がある。
特許文献１には、複数の負荷に電力供給を維持するためには、遮断部を適宜に切替制御する必要がある。
Therefore, there is a problem in that the headlamps 5 and 6 and the taillights 7 and 8 are all turned off even if either of the batteries 1 and 2 has not failed.
In Patent Document 1, in order to maintain power supply to a plurality of loads, it is necessary to appropriately switch and control the blocking unit.
この発明はこのような事情に鑑みてなされたものであり、その目的は２基のバッテリーのいずれか一方の失陥時に、一対の負荷のいずれかに電力を供給し得る自動車用電源装置を提供することにある。 The present invention has been made in view of such circumstances, and an object thereof is to provide an automotive power supply device that can supply power to one of a pair of loads when one of two batteries fails. There is to do.
上記課題を解決する自動車用電源装置は、２基の第一及び第二のバッテリーから少なくとも一対の装備に電力を供給する自動車用電源装置において、前記装備の各対の一方には第一のバッテリーから電力を供給し、他方には第二のバッテリーから電力を供給することを特徴とする。 An automotive power supply that solves the above-described problems is an automotive power supply that supplies power from at least two pairs of first and second batteries to at least one pair of equipment. The power is supplied from the second battery, and the other is supplied with power from the second battery.
この構成により、第一及び第二のバッテリーのいずれかが失陥しても、一対の装備のいずれかに電力が供給される。
また、上記の自動車用電源装置において、前記装備は、一対の前照灯を備え、前記第一のバッテリーから一対の前照灯のうち一方の前照灯に電力を供給するとともに、前記第二のバッテリーから他方の前照灯に電力を供給することが好ましい。
With this configuration, even if one of the first and second batteries fails, power is supplied to one of the pair of equipments.
Further, in the above-described automobile power supply device, the equipment includes a pair of headlamps, and supplies power from the first battery to one of the pair of headlamps. It is preferable to supply power from the other battery to the other headlamp.
この構成により、第一及び第二のバッテリーのいずれか一方が失陥しても前照灯のいずれかが点灯される。
また、上記の自動車用電源装置において、前記装備は、一対の尾灯を備え、前記第一のバッテリーから一対の尾灯のうち一方の尾灯に電力を供給し、前記第二のバッテリーから他方の尾灯に電力を供給することが好ましい。
With this configuration, even if one of the first and second batteries fails, one of the headlamps is turned on.
Further, in the above-described automobile power supply device, the equipment includes a pair of taillights, supplies power from the first battery to one of the pair of taillights, and from the second battery to the other taillight. It is preferable to supply power.
この構成により、第一及び第二のバッテリーのいずれか一方が失陥しても尾灯のいずれかが点灯される。
また、上記の自動車用電源装置において、前記装備は、一対の車幅灯を備え、前記第一のバッテリーから一対の車幅灯のうち一方の車幅灯に電力を供給するとともに、前記第二のバッテリーから他方の車幅灯に電力を供給することが好ましい。
With this configuration, even if one of the first and second batteries fails, one of the taillights is turned on.
Further, in the above-described automotive power supply device, the equipment includes a pair of vehicle width lights, and supplies power from the first battery to one vehicle width light of the pair of vehicle width lights, and the second It is preferable to supply power from the other battery to the other vehicle width lamp.
この構成により、第一及び第二のバッテリーのいずれか一方が失陥しても車幅灯のいずれかが点灯される。
また、上記の自動車用電源装置において、自動車の幅方向の一方に位置する前照灯と他方に位置する車幅灯に前記第一のバッテリーから電力を供給し、前記自動車の幅方向の他方に位置する前照灯と一方に位置する車幅灯に前記第二のバッテリーから電力を供給することが好ましい。
With this configuration, even if one of the first and second batteries fails, one of the vehicle width lights is turned on.
Further, in the above-described automobile power supply device, power is supplied from the first battery to the headlamp located on one side in the width direction of the automobile and the vehicle width lamp located on the other side, and the other in the width direction of the automobile. It is preferable to supply electric power from the second battery to the headlight located and the vehicle width light located on one side.
この構成により、第一及び第二のバッテリーのいずれか一方が失陥しても自動車の幅方向の一方と他方に位置する前照灯と車幅灯が点灯される。 With this configuration, even if one of the first and second batteries fails, the headlamps and the vehicle width lights that are located on one side and the other side in the width direction of the automobile are turned on.
本発明の自動車用電源装置によれば、２基のバッテリーのいずれか一方の失陥時に、一対の負荷のいずれかに電力を供給することができる。 According to the automobile power supply device of the present invention, when one of the two batteries fails, power can be supplied to one of the pair of loads.
以下、自動車用電源装置の一実施形態を図面に従って説明する。
図１に示すように、自動車の前部及び後部には第一及び第二のバッテリー１１，１２が配設されている。第一のバッテリー１１は右側前照灯１３と左側尾灯１６に電力を供給し、第二のバッテリー１２は左側前照灯１４と右側尾灯１５に電力を供給するように接続されている。
Hereinafter, an embodiment of an automobile power supply device will be described with reference to the drawings.
As shown in FIG. 1, the 1st and 2nd batteries 11 and 12 are arrange | positioned at the front part and rear part of a motor vehicle. The first battery 11 supplies power to the right headlight 13 and the left taillight 16, and the second battery 12 is connected to supply power to the left headlight 14 and the right taillight 15.
なお、各バッテリー１１，１２と前照灯１３，１４及び尾灯１５，１６との間には、運転者が操作するスイッチで一括して開閉されるリレー（図示しない）が介在されている。
次に、上記のように構成された自動車用電源装置の作用を説明する。前照灯１３，１４及び尾灯１５，１６の点灯時に例えば第二のバッテリー１２が失陥すると、図２に示すように、左側前照灯１４と右側尾灯１５が消灯状態となる。
Note that relays (not shown) that are collectively opened and closed by switches operated by the driver are interposed between the batteries 11 and 12 and the headlamps 13 and 14 and the taillamps 15 and 16.
Next, the operation of the automobile power supply device configured as described above will be described. If, for example, the second battery 12 fails when the headlights 13 and 14 and the taillights 15 and 16 are turned on, the left headlight 14 and the right taillight 15 are turned off as shown in FIG.
しかし、右側前照灯１３と左側尾灯１６には第一のバッテリー１１から電力が供給されるため、点灯状態が維持される。
また、第一のバッテリー１１のみが失陥した場合には、左側前照灯１４と右側尾灯１５が点灯状態に維持され、右側前照灯１３と左側尾灯１６が消灯状態となる。
However, since the right headlight 13 and the left taillight 16 are supplied with electric power from the first battery 11, the lighting state is maintained.
When only the first battery 11 fails, the left headlight 14 and the right taillight 15 are maintained in the lit state, and the right headlamp 13 and the left taillight 16 are turned off.
上記のような自動車用電源装置では、次に示す効果を得ることができる。
（１）２基のバッテリー１，２のいずれかが失陥しても、前照灯５，６のいずれか一方と、尾灯７，８のいずれか一方を確実に点灯させることができる。従って、夜間走行時の安全性を向上させることができる。
（２）バッテリー１，２のいずれかが失陥したとき、電源制御ＥＣＵによるリレーの開閉制御を必要とすることなく、前照灯５，６のいずれか一方と、尾灯７，８のいずれか一方を自動的に点灯状態に維持することができる。従って、簡単な構成で、前照灯と尾灯の点灯状態を確保することができる。
The following effects can be obtained with the automobile power supply device as described above.
(1) Even if one of the two batteries 1 and 2 fails, one of the headlamps 5 and 6 and one of the taillights 7 and 8 can be reliably turned on. Therefore, safety during night driving can be improved.
(2) When one of the batteries 1 and 2 is lost, one of the headlamps 5 and 6 and one of the taillights 7 and 8 is not required without requiring relay open / close control by the power control ECU. One of them can be automatically kept on. Therefore, the lighting state of the headlight and the taillight can be secured with a simple configuration.
なお、上記実施形態は以下のように変更してもよい。
・前照灯と尾灯以外に、例えばドアに設けられたパワーウィンドウ装置のように、車体の左右に複数対設けられる装備に対し、上記のように２基のバッテリーのいずれかから電力を供給するようにしてもよい。このような構成により、いずれかのバッテリーが失陥しても、左右いずれか一方の装備が動作可能となる。
・前照灯と尾灯以外に、例えば前方の一対の車幅灯に、上記のように２基のバッテリーのいずれかから電力を供給するようにしてもよい。この場合には、自動車の左右方向の一方の前照灯と他方の車幅灯に共通のバッテリーから電力を供給すると、バッテリーのいずれかが失陥しても、一方の前照灯と他方の車幅灯とで自動車の車幅を認識可能となる。
In addition, you may change the said embodiment as follows.
-In addition to the headlight and taillight, for example, power is supplied from one of the two batteries as described above to equipment provided in pairs on the left and right sides of the vehicle body, such as a power window device provided on the door. You may do it. With such a configuration, even if one of the batteries is lost, either the left or right equipment can be operated.
In addition to the headlight and taillight, for example, power may be supplied from one of the two batteries as described above to a pair of front width lights. In this case, if power is supplied from a common battery to one headlight and the other sidelight in the left-right direction of the automobile, even if one of the batteries fails, one headlight and the other The vehicle width can be recognized by the vehicle width light.
１１…第一のバッテリー、１２…第二のバッテリー、１３，１４…装備（前照灯）、１５，１６…装備（尾灯）。 DESCRIPTION OF SYMBOLS 11 ... 1st battery, 12 ... 2nd battery, 13,14 ... equipment (headlight), 15,16 ... equipment (taillight).
Claims (5)
前記装備の各対の一方には第一のバッテリーから電力を供給し、他方には第二のバッテリーから電力を供給することを特徴とする自動車用電源装置。 In an automotive power supply device that supplies power to at least a pair of equipment from two first and second batteries,
A power supply device for an automobile, wherein power is supplied from a first battery to one of each pair of the equipment and power is supplied from a second battery to the other.
前記装備は、一対の前照灯を備え、前記第一のバッテリーから一対の前照灯のうち一方の前照灯に電力を供給するとともに、前記第二のバッテリーから他方の前照灯に電力を供給することを特徴とする自動車用電源装置。 The automobile power supply device according to claim 1,
The equipment includes a pair of headlamps, supplies power from the first battery to one of the pair of headlamps, and supplies power from the second battery to the other headlamp. A power supply device for automobiles, characterized in that
前記装備は、一対の尾灯を備え、前記第一のバッテリーから一対の尾灯のうち一方の尾灯に電力を供給し、前記第二のバッテリーから他方の尾灯に電力を供給することを特徴とする自動車用電源装置。 The automobile power supply device according to claim 1 or 2,
The equipment includes a pair of taillights, and supplies power from the first battery to one of the pair of taillights, and supplies power from the second battery to the other taillight. Power supply.
前記装備は、一対の車幅灯を備え、前記第一のバッテリーから一対の車幅灯のうち一方の車幅灯に電力を供給するとともに、前記第二のバッテリーから他方の車幅灯に電力を供給することを特徴とする自動車用電源装置。 The automobile power supply device according to any one of claims 1 to 3,
The equipment includes a pair of width lights, and supplies power from the first battery to one of the pair of width lights, and also supplies power from the second battery to the other width light. A power supply device for automobiles, characterized in that
自動車の幅方向の一方に位置する前照灯と他方に位置する車幅灯に前記第一のバッテリーから電力を供給し、前記自動車の幅方向の他方に位置する前照灯と一方に位置する車幅灯に前記第二のバッテリーから電力を供給することを特徴とする自動車用電源装置。 The automobile power supply device according to claim 4,
Power is supplied from the first battery to a headlamp located on one side in the width direction of the automobile and a vehicle width lamp located on the other side, and located on one side with the headlamp located on the other side in the width direction of the automobile. A power supply device for an automobile, wherein power is supplied from the second battery to the vehicle width lamp.
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| JP2013257125A JP6135489B2 (en) | 2013-12-12 | 2013-12-12 | Automotive power supply |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59155846U (en) * | 1983-04-05 | 1984-10-19 | 三菱電機株式会社 | DC three-wire circuit device for vehicles |
| JPS59187537U (en) * | 1983-05-31 | 1984-12-12 | 日産自動車株式会社 | Vehicle width display device |
| JP2007022194A (en) * | 2005-07-13 | 2007-02-01 | Honda Motor Co Ltd | Steering device for vehicle |
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2013
- 2013-12-12 JP JP2013257125A patent/JP6135489B2/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59155846U (en) * | 1983-04-05 | 1984-10-19 | 三菱電機株式会社 | DC three-wire circuit device for vehicles |
| JPS59187537U (en) * | 1983-05-31 | 1984-12-12 | 日産自動車株式会社 | Vehicle width display device |
| JP2007022194A (en) * | 2005-07-13 | 2007-02-01 | Honda Motor Co Ltd | Steering device for vehicle |
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