JP3224203U - In-vehicle battery trickle charger - Google Patents

In-vehicle battery trickle charger Download PDF

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JP3224203U
JP3224203U JP2019003706U JP2019003706U JP3224203U JP 3224203 U JP3224203 U JP 3224203U JP 2019003706 U JP2019003706 U JP 2019003706U JP 2019003706 U JP2019003706 U JP 2019003706U JP 3224203 U JP3224203 U JP 3224203U
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vehicle
battery
vehicle battery
power generation
parked
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秀光 奈良
秀光 奈良
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    • 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
    • Y02E10/56—Power conversion systems, e.g. maximum power point trackers

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Abstract

【課題】長期駐車したまま動かさない車両の車載バッテリーは、自然放電や車両の待機電力消費により電圧低下し、エンジン始動困難になったり、放電時に発生する不活性物質が電極に付着して容量低下が起こり性能劣化が進行する。それを防止するために、駐車中であっても車載バッテリーをトリクル充電できる装置を提供する。【解決手段】本装置は、太陽光発電パネル１で発電した電力を一旦「１２Ｖ蓄電池８」に充電し、その充電された電力を昇圧回路６により昇圧して車載バッテリー１３を充電する。太陽のない夜間でも安定して充電状態を維持することでバッテリーを常に最良の状態に保ち、寿命を伸ばすことができる。【選択図】図１[PROBLEMS] To reduce the capacity of an in-vehicle battery of a vehicle that does not move while parked for a long period of time, due to a spontaneous discharge or standby power consumption of the vehicle, making it difficult to start the engine, or an inert substance that is generated during discharge adheres to the electrode. Occurs and performance degradation proceeds. In order to prevent this, an apparatus is provided that can trickle charge a vehicle-mounted battery even when parked. The device temporarily charges the power generated by the photovoltaic power generation panel 1 to a “12V storage battery 8”, boosts the charged power by a booster circuit 6, and charges an in-vehicle battery 13. By maintaining a stable state of charge even at night without the sun, the battery can always be kept in the best state and its life can be extended. [Selection] Figure 1

Description

本考案は、太陽光発電パネルと「１２Ｖ蓄電池」と昇圧回路を組み合わせ、自動車等の車載バッテリーをトリクル充電する装置に関するものである。  The present invention relates to an apparatus for trickle charging an in-vehicle battery such as an automobile by combining a solar power generation panel, a “12V storage battery” and a booster circuit.

１，２週間に一度使うかどうかの車両は、駐車中の間、車載バッテリーは容赦なく自然放電が進み、バッテリーの寿命を縮め、最悪の場合エンジンスタートができなくなることがある。  Vehicles that are to be used once every week or two will not be able to start the engine when the vehicle is parked.

車載バッテリーの自然放電を防ぐ唯一の方法は、充電することであるが、月極駐車場では商用電源をもって充電することも困難であり、たまに車両を走行させることが簡易な解決策となる。しかし、走行途中の一旦停止アイドリングでさえエンジンストップが推奨される昨今の風潮に照らし充電のためだけのアイドリングや走行は大きな無駄である。従って、駐車中であっても充電を継続することで車載バッテリーの自然放電を防止しようとするものである。  The only way to prevent spontaneous discharge of the on-board battery is to charge it, but it is difficult to charge with a commercial power source in the monthly parking lot, and sometimes running the vehicle is a simple solution. However, idling and running only for charging are very wasteful in light of the recent trend in which engine stop is recommended even for idling once during running. Therefore, it is intended to prevent spontaneous discharge of the in-vehicle battery by continuing charging even when the vehicle is parked.

本考案は、車両の周囲に４０Ｗ程度の太陽光発電パネルが置ける青空スペース（０．２ｍ２程度）があれば、晴天の日には太陽光発電パネルの起電力を「１２Ｖ蓄電池」に充電することができることから、蓄電された電力をもって、車載バッテリーをトリクル充電するのが本考案の装置であるが、「１２Ｖ蓄電池」の出力電圧では車載バッテリーを十分に充電できないので、電圧を１４Ｖに昇圧して車載バッテリーに給電することで自然放電を解決している。In the present invention, if there is a blue sky space (about 0.2 m 2 ) where a photovoltaic power generation panel of about 40 W can be placed around the vehicle, the electromotive force of the photovoltaic power generation panel is charged to the “12V storage battery” on a fine day. Therefore, it is the device of the present invention to trickle charge the in-vehicle battery with the stored electric power, but the in-vehicle battery cannot be charged sufficiently with the output voltage of “12V storage battery”, so the voltage is increased to 14V. This solves spontaneous discharge by supplying power to the on-board battery.

車載バッテリーへ給電するためには、車載バッテリー端子へ接続すればいいが、あらかじめ車両バッテリーに給電するためのＤＣジャックを設けておけば車両のボンネットを開閉することなく軽易に接続することができる。  In order to supply power to the in-vehicle battery, it may be connected to the in-vehicle battery terminal. However, if a DC jack for supplying power to the vehicle battery is provided in advance, it can be easily connected without opening and closing the hood of the vehicle.

太陽があれば駐車中の車両をトリクル充電できるように工夫した本考案は、車載バッテリーの自然放電を防ぎ、寿命を大幅に伸ばすことができる。車載バッテリーの短期間での取り替えは省資源・省エネにも逆行し、つまり本考案は省資源対策でもある。また、農業機械はシーズン以外は使われないことが多く、本考案は農業用トラクター等のバッテリー電圧を最良の状態に保つことができる。  The present invention devised to trickle charge a parked vehicle in the presence of the sun can prevent spontaneous discharge of the in-vehicle battery and greatly extend its life. Replacing the on-board battery in a short period goes against resource and energy savings, that is, the present invention is also a resource saving measure. Agricultural machinery is often not used except during the season, and the present invention can keep the battery voltage of agricultural tractors at the best level.

は、本考案の構成例を示す概略図（断面）である。These are the schematic diagrams (cross section) which show the structural example of this invention. は、本考案に関する接続図の例である。These are examples of connection diagrams relating to the present invention.

太陽光発電パネルは２０Ｖ４０Ｗ程度あればよく、縦横４０ｃｍくらいの大きさであるから、設置スペースはそれほど広くなくてもいい。
晴天の日に太陽光発電パネルの電圧（１８〜２０Ｖ）を効率のいい降圧回路で１３Ｖほどに降圧し、逆流防止ダイオードを介して「１２Ｖ蓄電池」に接続することで太陽光発電パネルの起電力を蓄電することができ、この「１２Ｖ蓄電池」を簡易な回路で１４Ｖに昇圧し、逆流防止ダイオードを介して車載バッテリーに給電する。The solar power generation panel only needs to be about 20V40W, and the size is about 40 cm in length and width, so the installation space does not have to be so wide.
On a sunny day, the voltage (18-20V) of the photovoltaic panel is stepped down to about 13V by an efficient step-down circuit, and connected to the “12V storage battery” via a backflow prevention diode. The “12V storage battery” is boosted to 14V by a simple circuit and is supplied to the vehicle-mounted battery via a backflow prevention diode.

太陽光発電パネルで得られる僅かな電力を備蓄する「１２Ｖ蓄電池」や降圧・昇圧するための電気回路は、太陽光発電パネルの下にでも置くことができる。また、この装置と車両との接続は、車載バッテリーから車両の適当な場所に接続用ＤＣジャックをあらかじめ取り出しておけば、本装置と車載バッテリーがＤＣプラグで接続され、車両を使う際には車両からＤＣプラグを抜くだけで済む。
わずかな電力と小さな電気回路で実用になるのは、微少な電流でも継続して通電することで車載バッテリーの自然放電を防止することができるからである。A “12V storage battery” for storing a small amount of electric power obtained by the photovoltaic power generation panel and an electric circuit for stepping down and boosting can be placed under the photovoltaic power generation panel. In addition, the connection between this device and the vehicle is made by connecting the DC jack for connecting the device to the vehicle battery with a DC plug in advance if the DC jack for connection is taken out from the vehicle battery to an appropriate location on the vehicle. All you have to do is remove the DC plug.
The reason why it becomes practical with a small amount of electric power and a small electric circuit is that it is possible to prevent spontaneous discharge of the vehicle-mounted battery by continuously energizing even a minute current.

以下、添付図面に従って実施例を説明する。１は太陽光発電パネル、晴天のもとで起電力を発生し、発生した電力は導線２を通じ、接続ボックス７へ入り、３の降圧回路に接続して電圧を１３Ｖにし、逆流防止ダイオード４を経由して導線５によって１２Ｖ蓄電池８へ接続する。  Embodiments will be described below with reference to the accompanying drawings. 1 is a photovoltaic power generation panel, which generates electromotive force under the clear sky, and the generated power enters the connection box 7 through the conductor 2 and is connected to the step-down circuit 3 to set the voltage to 13V. It connects to the 12V storage battery 8 by the conducting wire 5 via.

１２Ｖ蓄電池８を昇圧回路６で１４Ｖに昇圧し、導線９により車載バッテリー１３へ接続するが、接続に際してはＤＣプラグ１０と車載側のＤＣジャック１１から逆流防止ダイオード１２を経由して電気的に車載バッテリー１３に接続され、トリクル充電を実現する。  The 12V storage battery 8 is boosted to 14V by the booster circuit 6 and connected to the in-vehicle battery 13 by the lead wire 9. However, when connecting, the DC plug 10 and the in-vehicle side DC jack 11 are electrically in-vehicle via the backflow prevention diode 12. Connected to the battery 13 to achieve trickle charging.

太陽光発電パネル１で発電しても１２Ｖ蓄電池８の電圧が１３Ｖくらいになると８への充電電流は流れなくなり、１２Ｖ蓄電池８が過充電になることはない。また、車載バッテリー１３の充電が進み電圧が１４Ｖになると電位差がなくなり、１３への充電電流はますます微弱になる。  Even if the photovoltaic power generation panel 1 generates power, when the voltage of the 12V storage battery 8 reaches about 13V, the charging current to 8 stops flowing, and the 12V storage battery 8 is not overcharged. Further, when the in-vehicle battery 13 is charged and the voltage becomes 14V, the potential difference disappears, and the charging current to 13 becomes increasingly weak.

一般的に車載用バッテリーの充電終了電圧は１３．８Ｖとされており、昇圧後の本装置の出力電圧を１４Ｖにしておけば途中に逆流防止ダイオード１２による電圧降下などから車載バッテリー１３の電圧は１３．８Ｖを超えることはない、  Generally, the in-vehicle battery has a charging end voltage of 13.8 V. If the output voltage of the device after boosting is set to 14 V, the voltage of the in-vehicle battery 13 is reduced due to a voltage drop due to the backflow prevention diode 12 during the process. Never exceed 13.8V,

逆流防止ダイオードを車両側に配置することで、仮にＤＣジャック付近で車体ボディアース１４とプラス端子が短絡した場合でも車載バッテリー１３からの短絡電流を防止することができる。  By arranging the backflow prevention diode on the vehicle side, it is possible to prevent a short-circuit current from the in-vehicle battery 13 even if the vehicle body ground 14 and the positive terminal are short-circuited near the DC jack.

１ 太陽光発電パネル
２ 太陽光発電パネルと降圧回路を接続するための電線
３ 太陽光発電パネルの電圧を１３Ｖに降圧する回路
４ 逆流を防止するダイオード
５ １２Ｖ蓄電池の導線
６ １２Ｖ蓄電池の電圧を１４Ｖに昇圧する回路（電流制限付き）
７ 接続ＢＯＸ
８ １２Ｖ蓄電池
９ 車載バッテリーに接続するための導線
１０ ＤＣプラグ
１１ ＤＣジャック
１２ 逆流を防止するダイオード
１３ 車載バッテリー
１４ 車体ボディーアース
１５ 太陽光発電パネルの支持架台DESCRIPTION OF SYMBOLS 1 Photovoltaic power generation panel 2 Electric wire for connecting photovoltaic power generation panel and step-down circuit 3 Circuit for stepping down voltage of photovoltaic power generation panel to 13V 4 Diode 5 for preventing reverse flow Conductor 6 of 12V storage battery Voltage of 12V storage battery is 14V Booster circuit (with current limit)
7 Connection BOX
8 12V storage battery 9 Conductor 10 for connecting to vehicle battery DC plug 11 DC jack 12 Diode for preventing backflow 13 Vehicle battery 14 Body body ground 15 Support panel for photovoltaic panel

Claims (1)

太陽光発電パネルとその起電力を蓄電するための「１２Ｖ蓄電池」及び昇圧回路を組み合わせ、自動車等の車載バッテリーをトリクル充電する装置  A device that combines a "12V storage battery" for storing a photovoltaic power generation panel and its electromotive force and a booster circuit, and trickle-charges a vehicle-mounted battery such as an automobile.
JP2019003706U 2019-09-10 2019-09-10 In-vehicle battery trickle charger Expired - Fee Related JP3224203U (en)

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