JPH0620745A - Electric power feeding device for vehicle - Google Patents
Electric power feeding device for vehicleInfo
- Publication number
- JPH0620745A JPH0620745A JP4178608A JP17860892A JPH0620745A JP H0620745 A JPH0620745 A JP H0620745A JP 4178608 A JP4178608 A JP 4178608A JP 17860892 A JP17860892 A JP 17860892A JP H0620745 A JPH0620745 A JP H0620745A
- Authority
- JP
- Japan
- Prior art keywords
- connector
- power supply
- voltage
- vehicle
- terminal
- 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.)
- Pending
Links
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、車両用給電装置に係わ
り、特に低電圧系と高電圧系とに区別される車載電装品
に対して給電する車両用給電装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power supply device for a vehicle, and more particularly to a power supply device for a vehicle which supplies power to an on-vehicle electrical component which is classified into a low voltage system and a high voltage system.
【０００２】[0002]
【従来の技術】従来の車両用給電装置においては、低電
圧系と高電圧系とに区別される車載電装品に対して、低
電圧バッテリと高電圧バッテリとによりそれぞれ給電が
なされている。この低電圧バッテリからの低電圧系の車
載電装品への給電及び高電圧バッテリからの高電圧系の
車載電装品への給電は、給電用ハーネス上に設けられた
コネクタを介してそれぞれ行われている。2. Description of the Related Art In a conventional vehicle power supply device, a low-voltage battery and a high-voltage battery are used to supply power to in-vehicle electrical components that are classified into a low-voltage system and a high-voltage system. The power supply from the low-voltage battery to the low-voltage in-vehicle electrical equipment and the power supply from the high-voltage battery to the high-voltage in-vehicle electrical equipment are respectively performed via the connectors provided on the power supply harness. There is.
【０００３】このような場合に用いられるコネクタが、
例えば特開昭６２−６４０８２号公報に記載されてい
る。The connector used in such a case is
For example, it is described in JP-A-62-64082.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら従来の車
両用給電装置においては、特に高電圧バッテリからの給
電用ハーネス上に設けられたコネクタ端子が半嵌合状態
となった場合には、高電圧により絶縁破壊が生じ、コネ
クタの端子間にアーク放電が生じ、そのためコネクタ端
子が破損する恐れがある。However, in the conventional vehicle power supply device, when the connector terminals provided on the power supply harness from the high voltage battery are in a half-fitted state, the high voltage causes Dielectric breakdown can occur, causing arcing between the connector terminals, which can damage the connector terminals.
【０００５】そこで本発明は、上記従来技術の問題点を
解決するためになされたものであり、高電圧系給電手段
からの給電用ハーネス上に設けられたコネクタ端子が半
嵌合状態となった場合でも、コネクタ端子の破損を防止
でき、さらにコネクタの故障修理において不必要が電流
を流すことがなく容易に作業ができる車両用給電装置を
提供することを目的としている。Therefore, the present invention has been made in order to solve the above-mentioned problems of the prior art, in which the connector terminals provided on the power supply harness from the high-voltage power supply means are in a half-fitted state. Even in such a case, it is an object of the present invention to provide a vehicle power supply device that can prevent damage to connector terminals and that can be easily operated without causing unnecessary current flow when the connector is repaired.
【０００６】[0006]
【課題を解決するための手段】上記の目的を達成するた
めに本発明は、低電圧系と高電圧系とに区別される車載
電装品に対して低電圧系給電手段と高電圧系給電手段と
によりそれぞれ給電する車両用給電装置において、高電
圧系給電手段から高電圧系の車載電装品への給電を制御
する制御手段と、高電圧系給電手段から高電圧系の車載
電装品への給電用ハーネスに設けられたコネクタと、こ
のコネクタの半嵌合状態を検知する半嵌合検知手段と、
この半嵌合検知手段がコネクタの半嵌合状態を検知した
時、高電圧バッテリから高電圧系の車載電装品への給電
を禁止する禁止手段と、を有することを特徴としてい
る。In order to achieve the above-mentioned object, the present invention provides a low-voltage system power supply means and a high-voltage system power supply means for an on-vehicle electrical component which is classified into a low-voltage system and a high-voltage system. In a vehicle power supply device that supplies power to each of the above, a control means for controlling power supply from the high-voltage system power supply means to the high-voltage system on-vehicle electrical equipment, and a power supply from the high-voltage system power supply means to the high-voltage system on-vehicle electrical equipment A connector provided on the harness and a half-fitting detection means for detecting a half-fitted state of the connector,
When the half-fitting detection means detects the half-fitted state of the connector, the half-fitting detection means includes a prohibiting means for prohibiting power supply from the high-voltage battery to the high-voltage on-vehicle electrical equipment.
【０００７】上記のように構成された本発明によれば、
半嵌合検知手段がコネクタの半嵌合状態を検知した時、
禁止手段により、高電圧系給電手段から高電圧系の車載
電装品への給電が禁止される。このため、高電圧系給電
手段からの給電用ハーネス上に設けられたコネクタが半
嵌合状態となった場合でも、コネクタ端子の破損を防止
でき、さらにコネクタの故障修理において不必要な電流
を流すことがなく容易に作業できる。According to the present invention configured as described above,
When the half-fitting detection means detects the half-fitted state of the connector,
The prohibiting means prohibits power supply from the high-voltage system power supply means to the high-voltage system on-vehicle electrical equipment. Therefore, even if the connector provided on the power supply harness from the high-voltage power supply means is in a half-fitted state, the connector terminal can be prevented from being damaged, and an unnecessary current is supplied when the connector is repaired. Work easily without
【０００８】[0008]
【実施例】以下本発明の一実施例について図１及び図２
を参照して説明する。図１は、本発明の車両用給電装置
を示す全体構成図である。図２は、図１のコネクタ及び
半嵌合検知手段を示す拡大断面図である。図１に示すよ
うに、１は１２Ｖ電圧の低電圧系の車載バッテリ（低電
圧バッテリ）、２は１２Ｖの低電圧を発電して車載バッ
テリ１を充電する低電圧系のオルタネータである。この
低電圧系のオルタネータ２は、図示しないエンジンに駆
動される。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be described below with reference to FIGS.
Will be described with reference to. FIG. 1 is an overall configuration diagram showing a vehicle power supply device of the present invention. FIG. 2 is an enlarged sectional view showing the connector and the half-fitting detection means of FIG. As shown in FIG. 1, reference numeral 1 is a low-voltage system vehicle battery (low-voltage battery) having a voltage of 12V, and 2 is a low-voltage system alternator for generating a low voltage of 12V to charge the vehicle battery 1. The low voltage alternator 2 is driven by an engine (not shown).
【０００９】また、３は１２Ｖの低電圧系の車載電装品
であり、この電装品３には、低電系の車載バッテリ１及
びオルタネータ２により給電用ハーネス４を介して給電
される。この電装品３には、車両のスモールランプ、ル
ームランプ、運転席周囲に配置された各種メータ類が含
まれる。さらに、給電用ハーネス４には、他の低電圧系
の車載電装品として車両のヘッドランプ５が接続され、
このヘッドランプ５は、ヘッドランプスイッチ６の閉操
作により閉じる常開接点７ａを有するリレー７により制
御される。Reference numeral 3 denotes a 12V low-voltage in-vehicle electrical component, and the electrical component 3 is supplied with electric power from a low-electrical in-vehicle battery 1 and an alternator 2 via a power supply harness 4. The electrical component 3 includes a small lamp of a vehicle, a room lamp, and various meters arranged around the driver's seat. Furthermore, the headlamp 5 of the vehicle is connected to the power supply harness 4 as another low-voltage vehicle-mounted electric component,
The headlamp 5 is controlled by a relay 7 having a normally open contact 7a that is closed by closing the headlamp switch 6.
【００１０】低電圧系のオルタネータ２には、その整流
前の交流部分において、３相の変圧器１０が接続されて
いる。この変圧器１０は、３相の１次巻線１０ａと２次
巻線１０ｂを有し、１次側の低電圧１２Ｖを昇圧して４
８Ｖの高電圧に変圧すると共に、この２次巻線１０ｂに
生じた３相交流を整流する６個のダイオーダよりなる整
流器１０ｃを有する。この変圧器１０の整流器１０ｃに
は、ヒューズ１２を設けた給電用ハーネス１３を介して
４８Ｖの高電圧により充電される高電圧系の車載バッテ
リ（高電圧バッテリ）１５が接続されている。A three-phase transformer 10 is connected to the low-voltage alternator 2 in the AC portion before rectification. This transformer 10 has a three-phase primary winding 10a and a secondary winding 10b, and boosts a low voltage 12V on the primary side to generate a voltage of 4V.
It has a rectifier 10c composed of six die orders that transforms a high voltage of 8V and rectifies the three-phase alternating current generated in the secondary winding 10b. The rectifier 10c of the transformer 10 is connected to a high-voltage on-vehicle battery (high-voltage battery) 15 that is charged with a high voltage of 48V via a power supply harness 13 provided with a fuse 12.
【００１１】給電用ハーネス１３の高電圧は、ヒューズ
１２の後段で他の給電用ハーネス１６〜１９を経て高電
圧化コントロールユニット２０に印加されると共に、こ
の高電圧化コントロールユニット２０には、さらに高電
圧系の車載バッテリ１５の高電圧が他の給電用ハーネス
２１を経て印加される。高電圧化コントロールユニット
２０には、給電用ハーネス２２及びコネクタ２３を介し
て４８Ｖの高電圧系の車載電装品２４がそれぞれ接続さ
れている。この高電圧系の車載電装品２４には、エンジ
ンの排気通路に配置された触媒装置を加熱する高容量の
触媒ヒータ２５と、車両のフロントウインドガラスに降
り積もった氷雪を加熱し除去するヒーテッドウインド２
６と、リヤウインドガラスの曇りを除去するリヤ熱線２
７が含まれ、これらは、上記高電圧化コントロールユニ
ット２０により給電される。The high voltage of the power supply harness 13 is applied to the high voltage control unit 20 via the other power supply harnesses 16 to 19 after the fuse 12, and the high voltage control unit 20 further includes the high voltage control unit 20. The high voltage of the high-voltage on-vehicle battery 15 is applied through the other power supply harness 21. The high-voltage control unit 20 is connected to a high-voltage in-vehicle electrical component 24 of 48V via a power supply harness 22 and a connector 23. The high-voltage on-vehicle electrical equipment 24 includes a high-capacity catalyst heater 25 for heating a catalyst device arranged in an exhaust passage of an engine, and a heated window 2 for heating and removing ice and snow accumulated on a windshield of a vehicle.
6 and rear heating wire 2 for removing the fog on the rear windshield
7, which are supplied by the high voltage control unit 20.
【００１２】また、３０は触媒ヒータ２５の制御用のス
イッチ、３１はヒーテッドウインド２６の制御用のスイ
ッチ、３２はリヤ熱線２７の制御用のスイッチ、３３は
触媒ヒータ２５への給電時を示すインジケータランプ、
３４はヒーテッドウインド２６への給電時を示すインジ
ケータランプ、３５はリヤ熱線２７への給電時を示すイ
ンジケータランプである。Reference numeral 30 is a switch for controlling the catalyst heater 25, 31 is a switch for controlling the heated window 26, 32 is a switch for controlling the rear heating wire 27, and 33 is an indicator showing when power is supplied to the catalyst heater 25. lamp,
Reference numeral 34 is an indicator lamp that indicates when power is being supplied to the heated window 26, and 35 is an indicator lamp that indicates when power is being supplied to the rear heating wire 27.
【００１３】次に図２に示すように、コネクタ２３は、
雄コネクタ２３ａと雌コネクタ２３ｂとから成り、これ
らの雄コネクタ２３ａと雌コネクタ２３は、それぞれ雄
端子３０ａと雌端子３０ｂを備えている。これらの雄端
子３０ａと雌端子３０ｂは、給電用ハーネス２２に接続
されている。３１は、検知回路（半嵌合検知手段）であ
り、この検知回路３１は、雄端子３１ａと雌端子３１ｂ
を備えている。雄端子３１ａは、高電圧化コントロール
ユニット２０に接続され、また雌端子３１ｂは接地さ
れ、この検知回路３１には、常時電流が流れているよう
に設定されている。この検知回路３１は、何らかの理由
により雄コネクタ２３ａと雌コネクタ２３ｂが外れてコ
ネクタ２３の雄端子３０ａと雌端子３０ｂとが半嵌合状
態となった場合に、雄端子３１ａと雌端子３１ｂを流れ
る電流値が変化し若しくはゼロとなるため、この電流値
の変化を検出することにより、コネクタ２３の半嵌合状
態を検知することができる。Next, as shown in FIG. 2, the connector 23 is
It is composed of a male connector 23a and a female connector 23b, and these male connector 23a and female connector 23 are provided with a male terminal 30a and a female terminal 30b, respectively. The male terminal 30a and the female terminal 30b are connected to the power supply harness 22. Reference numeral 31 is a detection circuit (half-fitting detection means). The detection circuit 31 includes a male terminal 31a and a female terminal 31b.
Is equipped with. The male terminal 31a is connected to the high voltage control unit 20, the female terminal 31b is grounded, and the detection circuit 31 is set so that current always flows. The detection circuit 31 flows through the male terminal 31a and the female terminal 31b when the male connector 23a and the female connector 23b are detached from each other for some reason and the male terminal 30a and the female terminal 30b of the connector 23 are in a half-fitted state. Since the current value changes or becomes zero, the half-fitted state of the connector 23 can be detected by detecting the change in the current value.
【００１４】さらに、上記高電圧化コントロールユニッ
ト２０は、検知回路３１がコネクタ２３の雄端子３０ａ
と雌端子３０ｂとの半嵌合状態を検知したとき、高電圧
系の車載バッテリ１５から高電圧系の車載電装品２４へ
の給電を禁止する禁止手段としても機能も有している。
このように上記のように構成された本発明の実施例にお
いては、検知回路３１により、コネクタ２３の雄端子３
０ａと雌端子３０ｂの半嵌合状態を検知した場合には、
高電圧化コントロールユニット２０により、高電圧系の
車載バッテリ１５から高電圧系の車載電装品２４への給
電を禁止するようにしている。このため、高電圧により
雄端子３０ａと雌端子３０ｂとの間に絶縁破壊が生じア
ーク放電が生じることを防止できる。その結果、コネク
タ端子の破損を未然に防止できる。Further, in the high voltage control unit 20, the detection circuit 31 has the male terminal 30a of the connector 23.
When it detects a half-fitted state between the female terminal 30b and the female terminal 30b, it also has a function as a prohibition unit that prohibits power supply from the high-voltage on-vehicle battery 15 to the high-voltage on-vehicle electrical component 24.
In the embodiment of the present invention thus configured as described above, the detection circuit 31 causes the male terminal 3 of the connector 23.
0a and the female terminal 30b are detected in a half-fitted state,
The high-voltage control unit 20 prohibits power supply from the high-voltage on-vehicle battery 15 to the high-voltage on-vehicle electrical component 24. Therefore, it is possible to prevent an arc discharge from occurring due to a dielectric breakdown between the male terminal 30a and the female terminal 30b due to the high voltage. As a result, damage to the connector terminals can be prevented.
【００１５】さらに、コネクタ２３を修理するような場
合でも、高電圧系の車載バッテリ１５から高電圧系の車
載電装品２４への給電が禁止されているため、不必要な
電流が流れることがなく容易に作業でき、また同時に経
済的である。上記実施例において、検知回路３１は、常
時電流が流れているように設定し、コネクタ２３の雄端
子３０ａと雌端子３０ｂとが半嵌合状態となった場合
に、雄端子３１ａと雌端子３１ｂを流れる電流値が変化
し若しくはゼロとなるように設定しているが、常時電流
が流れないように設定し、コネクタ２３の雄端子３０ａ
と雌端子３０ｂとが半嵌合状態となった場合にのみ、電
流が流れるように設定し、この電流の変化により半嵌合
状態を検知するようにしてもよい。このように検知回路
３１を設定することにより、余分が電流を流す必要がな
くなり、経済的である。Further, even when the connector 23 is repaired, since power supply from the high-voltage system on-vehicle battery 15 to the high-voltage system on-vehicle electrical component 24 is prohibited, unnecessary current does not flow. It is easy to work with and at the same time economical. In the above-described embodiment, the detection circuit 31 is set so that the current always flows, and when the male terminal 30a and the female terminal 30b of the connector 23 are in the half-fitted state, the male terminal 31a and the female terminal 31b are connected. Is set so that the value of the current flowing through it changes or becomes zero, but it is set so that no current always flows, and the male terminal 30a of the connector 23 is
The current may be set to flow only when the female terminal 30b and the female terminal 30b are in the half-fitted state, and the half-fitted state may be detected by the change in the current. By setting the detection circuit 31 in this way, it is not necessary to supply an extra current, which is economical.
【００１６】[0016]
【発明の効果】以上説明したように本発明によれば、高
電圧系給電手段からの給電用ハーネス上に設けられたコ
ネクタ端子が半嵌合状態となった場合でも、コネクタ端
子の破損を防止でき、さらにコネクタの故障修理におい
て不必要が電流を流すことがなく容易に作業できる。As described above, according to the present invention, even when the connector terminal provided on the power supply harness from the high voltage system power supply means is in the half-fitted state, the connector terminal is prevented from being damaged. Further, it is possible to easily perform the work without supplying an unnecessary electric current when the connector is repaired.
【図１】本発明の車両用給電装置を示す全体構成図であ
る。FIG. 1 is an overall configuration diagram showing a vehicle power supply device of the present invention.
【図２】図１のコネクタ及び半嵌合検知手段を示す拡大
断面図である。FIG. 2 is an enlarged cross-sectional view showing the connector and the half-fitting detection means of FIG.
１ 低電圧系の車載バッテリ（低電圧バッテリ） １５ 高電圧系の車載バッテリ（高電圧バッテリ） ２０ 高電圧化コントロールユニット ２２ 給電用ハーネス ２３ コネクタ ２４ 高電圧系の車載電装品 ３１ 検知回路 1 Low-voltage vehicle battery (low-voltage battery) 15 High-voltage vehicle battery (high-voltage battery) 20 High-voltage control unit 22 Power supply harness 23 Connector 24 High-voltage vehicle electrical component 31 Detection circuit
Claims (1)
電装品に対して低電圧系給電手段と高電圧系給電手段と
によりそれぞれ給電する車両用給電装置において、 高電圧系給電手段から高電圧系の車載電装品への給電を
制御する制御手段と、 高電圧系給電手段から高電圧系の車載電装品への給電用
ハーネスに設けられたコネクタと、 このコネクタの半嵌合状態を検知する半嵌合検知手段
と、 この半嵌合検知手段がコネクタの半嵌合状態を検知した
時、高電圧系給電手段から高電圧系の車載電装品への給
電を禁止する禁止手段と、 を有することを特徴とする車両用給電装置。1. A vehicle power supply device for supplying electric power to an on-vehicle electrical equipment, which is classified into a low-voltage system and a high-voltage system, by a low-voltage system power supply means and a high-voltage system power supply means, respectively. Control means for controlling the power supply from the high voltage system to the on-vehicle electrical equipment, the connector provided on the power supply harness from the high voltage system power supply means to the high voltage system on-vehicle electrical equipment, and the half-fitted state of this connector And a prohibition means for prohibiting power supply from the high-voltage system power supply means to the high-voltage system on-vehicle electrical equipment when the half-fitting detection means detects the half-fitted state of the connector. A power supply device for a vehicle, comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4178608A JPH0620745A (en) | 1992-07-06 | 1992-07-06 | Electric power feeding device for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4178608A JPH0620745A (en) | 1992-07-06 | 1992-07-06 | Electric power feeding device for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0620745A true JPH0620745A (en) | 1994-01-28 |
Family
ID=16051431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4178608A Pending JPH0620745A (en) | 1992-07-06 | 1992-07-06 | Electric power feeding device for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0620745A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1296419A2 (en) * | 2001-09-21 | 2003-03-26 | Yazaki Corporation | Power supply cut system for vehicle |
| JP2017071392A (en) * | 2016-10-28 | 2017-04-13 | 東プレ株式会社 | Refrigerated vehicle with detachable container |
| JP2018070385A (en) * | 2016-10-24 | 2018-05-10 | 日本板硝子株式会社 | Laminated glass |
| JP2020186167A (en) * | 2020-07-15 | 2020-11-19 | 日本板硝子株式会社 | Glass laminate |
-
1992
- 1992-07-06 JP JP4178608A patent/JPH0620745A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1296419A2 (en) * | 2001-09-21 | 2003-03-26 | Yazaki Corporation | Power supply cut system for vehicle |
| EP1296419A3 (en) * | 2001-09-21 | 2004-06-23 | Yazaki Corporation | Power supply cut system for vehicle |
| JP2018070385A (en) * | 2016-10-24 | 2018-05-10 | 日本板硝子株式会社 | Laminated glass |
| JP2017071392A (en) * | 2016-10-28 | 2017-04-13 | 東プレ株式会社 | Refrigerated vehicle with detachable container |
| JP2020186167A (en) * | 2020-07-15 | 2020-11-19 | 日本板硝子株式会社 | Glass laminate |
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