JP2016208591A - Electric cart for elderly person - Google Patents

Electric cart for elderly person Download PDF

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JP2016208591A
JP2016208591A JP2015084665A JP2015084665A JP2016208591A JP 2016208591 A JP2016208591 A JP 2016208591A JP 2015084665 A JP2015084665 A JP 2015084665A JP 2015084665 A JP2015084665 A JP 2015084665A JP 2016208591 A JP2016208591 A JP 2016208591A
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power
battery
converter
power supply
commercial
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JP6400523B2 (en
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孝茂 木村
Takashige Kimura
孝茂 木村
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SAN BUSINESS KK
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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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • 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
    • Y02T10/72—Electric energy management 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems

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  • Stand-By Power Supply Arrangements (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide an electric cart for elderly persons, capable of being used as a time power supply for various purposes such as lighting during a power failure at a home.SOLUTION: The electric cart for elderly persons, configured to automatically stop charging of a battery with a power cord plugged into a receptacle of a commercial power supply when a battery reaches a predetermined voltage, includes switching means which switches a circuit of an AC-DC converter; a DC-AC converter which converts electric power of the battery into AC power; and a time power supply controller which detects a power failure of the commercial power supply at night with the power cord plugged into the receptacle of the commercial power supply, converts DC power of the battery into AC power with the DC-AC converter, applies the AC power from the power cord to the commercial power supply system as a time power supply and controls the switching means to open the circuit of the AC-DC converter.SELECTED DRAWING: Figure 2

Description

本発明は高齢者用電動カートに関し、特に家庭等における停電時の照明などの時限電源として利用できるようにした電動カートに関する。   The present invention relates to an electric cart for elderly people, and more particularly to an electric cart that can be used as a timed power source for lighting in the event of a power failure at home or the like.

ハイブリッド自動車や電気自動車に搭載されている大容量の車載バッテリーを外部電源に利用するシステムが提案されている（特許文献１、特許文献２、特許文献３）。   Systems that use a large-capacity on-board battery mounted on a hybrid vehicle or an electric vehicle as an external power source have been proposed (Patent Document 1, Patent Document 2, and Patent Document 3).

例えば、電気自動車ではＡＣ／ＤＣ変換器を備えた専用の制御装置を家庭や充電ステーションなどに設け、制御装置から伸びる電源コードのプラグを電気自動車のコンセントに接続し、商用電源の交流電力を制御装置で直流電力に変換し、この直流電力によって車載バッテリーを充電し、充電が終了すると電源コードのプラグを電気自動車のコンセントから抜くようになっている。   For example, in an electric vehicle, a dedicated control device equipped with an AC / DC converter is installed in a home or charging station, and the plug of the power cord extending from the control device is connected to the outlet of the electric vehicle to control the AC power of the commercial power supply. The device converts the power into direct current power, charges the vehicle-mounted battery with this direct current power, and when the charging is completed, unplugs the power cord from the outlet of the electric vehicle.

電気自動車の車載バッテリーを外部電源として利用する場合にはＤＣ／ＡＣ変換器を搭載した制御装置を用い、制御装置から伸びる電源コードのプラグを電気自動車のコンセントに接続し、車載バッテリーの直流電力をＤＣ／ＡＣ変換器で交流電力に変換して外部電源として利用することが行われている。   When using an in-vehicle battery of an electric vehicle as an external power source, use a controller equipped with a DC / AC converter, connect the plug of the power cord extending from the controller to the outlet of the electric vehicle, and use the DC power of the in-vehicle battery. Conversion to AC power by a DC / AC converter is used as an external power source.

実用新案登録第３１８７３１３号公報Utility Model Registration No. 3187313 特開２０１１−０５５５８９号公報JP 2011-055589 A 特開２０１２−２３９５５号公報JP 2012-23955 A

しかし、特許文献１〜３記載の電源システムでは電気自動車の車載バッテリーの充電が完了すると電源コードのプラグを電気自動車のコンセントから抜くようにしているので、例えば夜間の停電時に外部電源として利用しようとすると、懐中電灯などの暗い照明下や真っ暗な状況下で電源コードのプラグを電気自動車のコンセントに接続する必要があり、非常に煩わしかった。   However, in the power supply systems described in Patent Documents 1 to 3, when the on-vehicle battery of the electric vehicle is fully charged, the power cord plug is unplugged from the outlet of the electric vehicle. Then, it was necessary to connect the plug of the power cord to the outlet of the electric vehicle under dark lighting such as a flashlight or in a completely dark situation, which was very troublesome.

ところで、高齢者用電動カートは昼間に使用して夜間に家庭の商用電源、例えば単相１００Ｖを利用して充電することが行われている。充電は電動カートから伸びるコードのプラグを家庭のコンセントに差してカート搭載のバッテリーを充電し、バッテリーが所定の充電電圧に達すると、充電を自動的に終了させ、朝になると、ユーザーが電源コードのプラグをコンセントから抜いてカートを使用するようになっている。   By the way, an electric cart for elderly people is used in the daytime and charged at night using a commercial commercial power source, for example, a single-phase 100V. Charging is done by plugging the cord plug extending from the electric cart into a household outlet and charging the battery installed in the cart. When the battery reaches the specified charging voltage, charging is automatically terminated. Unplug from the outlet and use the cart.

本発明はかかる高齢者用電動カートの充電方法に着目し、夜間の停電時に照明などの時限電源として自動的に利用できるようにした高齢者用電動カートを提供することを課題とする。   This invention pays attention to the charging method of the electric cart for elderly people, and makes it a subject to provide the electric cart for elderly people automatically used as timed power supplies, such as illumination, at the time of a power failure at night.

そこで、本発明に係る高齢者用電動カートは、充電時に電源コードのプラグを商用電源のコンセントに接続し、コントローラの制御によって、商用電源の交流電力をＡＣ／ＤＣ変換器で直流電力に変換させてカート搭載のバッテリーに与えて充電し、バッテリーが所定電圧に達したときにバッテリーの充電を自動停止させる一方、バッテリーの電力をカートの駆動モーターに与えて走行させるようにした高齢者用電動カートにおいて、上記ＡＣ／ＤＣ変換器の回路を開閉するスイッチ手段と、上記バッテリーの電力を交流電力に変換するＤＣ／ＡＣ変換器と、電源コードのプラグが商用電源のコンセントに接続された状態の夜間における商用電源の停電を検知して上記バッテリーの直流電力を上記ＤＣ／ＡＣ変換器で交流電力に変換させ、この交流電力を上記電源コードから商用電源系に時限電源として与えるとともに、上記スイッチ手段を制御して上記ＡＣ／ＤＣ変換器の回路を開成する時限電源コントローラと、を備えたことを特徴とする。   Therefore, the electric cart for elderly people according to the present invention connects the plug of the power cord to the outlet of the commercial power source during charging, and converts the AC power of the commercial power source into DC power by the AC / DC converter under the control of the controller. Electric carts for elderly people that charge the battery installed in the cart and charge it, and when the battery reaches a certain voltage, the battery charging is automatically stopped, while the battery power is supplied to the cart drive motor In the nighttime, the switch means for opening and closing the circuit of the AC / DC converter, the DC / AC converter for converting the battery power to AC power, and the plug of the power cord connected to the outlet of the commercial power source The DC power of the battery is converted into AC power by the DC / AC converter by detecting a commercial power failure in AC power with providing a timed power supply to the commercial power supply system from the power cord, characterized in that and a timed power supply controller that opens the circuit of the AC / DC converter by controlling the switch means.

本発明の特徴の１つは夜間の停電を検知したときに、電動カートの車載バッテリーの直流電力を交流電力に変換し、商用電源のコンセントに接続されている電源コードのプラグから商用電源系に与えるようにした点にある。   One of the features of the present invention is that when a power failure at night is detected, the DC power of the on-board battery of the electric cart is converted to AC power, and the power cord plug connected to the outlet of the commercial power supply is switched to the commercial power supply system. It is in the point which gave it.

これにより、夜間停電時に、自動的に電力を供給することができ、夜間照明を確保でき、又夜間停電時に電気自動車の車載バッテリーを外部電源として利用する場合のような、懐中電灯などの暗い照明下や真っ暗な状況下で電源コードのプラグを電気自動車のコンセントに接続するという煩雑さがなく、実用性に優れている。   This makes it possible to automatically supply power during nighttime power outages, secure nighttime lighting, and dark lighting such as flashlights when using the onboard battery of an electric vehicle as an external power source during nighttime power outages. There is no trouble of connecting the plug of the power cord to the outlet of the electric vehicle under the dark or dark condition, and it is excellent in practicality.

また、高齢者用電動カートのバッテリー容量は電気自動車のバッテリーに比較して少ないので、カートのバッテリー電圧が極端に低下しないように短時間の時限電源に使用するようにしている。   Moreover, since the battery capacity of the electric cart for elderly people is small compared with the battery of an electric vehicle, it is used for a timed power supply for a short time so that the battery voltage of the cart is not extremely lowered.

本発明に係る高齢者用電動カートの実施形態を示す全体斜視図である。1 is an overall perspective view showing an embodiment of an electric cart for elderly people according to the present invention. 上記実施形態における回路構成例を示す機能ブロック図である。It is a functional block diagram which shows the circuit structural example in the said embodiment. 高齢者用電動カートの回路構成の１例を示す図である。It is a figure which shows an example of the circuit structure of the electric cart for elderly people.

以下、本発明を図面に示す具体例に基づいて詳細に説明する。図１は本発明に係る高齢者用電動カートの好ましい実施形態を示す。図において、高齢者用電動カート１０は車体前部にハンドル１１が設けられ、車体後部に座部１２が設けられ、座部１１下側にバッテリー、モーター及び制御装置が内蔵され、高齢者が座部１２に座って前方のハンドルを操作してカートを走行させるようになっている。また、ハンドル１１の中央には電源スイッチ、速度メータ及び速度調整用摘まみ、バッテリーモニター、電源ランプ、ヘッドランプスイッチ、ホーンスイッチ、モータースイッチ等がレイアウトされている。図３はバッテリー、モーター及び制御装置の具体的な回路構成の１例を示す。   Hereinafter, the present invention will be described in detail based on specific examples shown in the drawings. FIG. 1 shows a preferred embodiment of an electric cart for elderly people according to the present invention. In the figure, the elderly electric cart 10 is provided with a handle 11 at the front of the vehicle body, a seat 12 at the rear of the vehicle, a battery, a motor, and a control device built into the lower part of the seat 11 so that the elderly can sit. The cart is run by sitting on the section 12 and operating the front handle. In the center of the handle 11, a power switch, a speed meter, a speed adjusting knob, a battery monitor, a power lamp, a head lamp switch, a horn switch, a motor switch, and the like are laid out. FIG. 3 shows an example of a specific circuit configuration of the battery, the motor, and the control device.

図２は本例の回路構成を示す。図において、２０はＡＣ／ＤＣ変換器、２１はＡＣ／ＤＣ変換器２０の入力端に接続された電源コード、２２は電源コード２１の接地極付きの単相プラグ、２３はバッテリー、２４はモーター、２９は電源スイッチが閉成されたときに電源コード２１のプラグ２２を介して商用電源を入力して交流電力を直流電力に変換してバッテリー２３を充電し、バッテリー２３が所定電圧に達したときにはブレーカースイッチ２６を閉成させて充電を停止する一方、及びモータースイッチ２５が閉成されたときにバッテリー２３の電力をモーター２４に与えてカートを走行させる制御回路板である。   FIG. 2 shows a circuit configuration of this example. In the figure, 20 is an AC / DC converter, 21 is a power cord connected to the input end of the AC / DC converter 20, 22 is a single-phase plug with a grounding pole of the power cord 21, 23 is a battery, and 24 is a motor. 29, when the power switch is closed, the commercial power is input through the plug 22 of the power cord 21 to convert the AC power into the DC power to charge the battery 23, and the battery 23 reaches a predetermined voltage. In some cases, the breaker switch 26 is closed to stop charging, and when the motor switch 25 is closed, the power of the battery 23 is supplied to the motor 24 to drive the cart.

また、２７はバッテリー２３の直流電力を交流電力に変換するＤＣ／ＡＣ変換器、２８は夜間の停電を検知してＡＣ／ＤＣ変換器２０のスイッチ２０Ａを開成してＡＣ／ＤＣ変換器２０への電流の逆流を阻止するとともに、ＤＣ／ＡＣ変換器２７によってバッテリー２３の直流電力を交流電力に変換させて電源コード２１を通して商用電源系に与える時限電源コントローラである。   Reference numeral 27 denotes a DC / AC converter that converts the direct current power of the battery 23 into alternating current power. Reference numeral 28 denotes a nighttime power failure and opens the switch 20A of the AC / DC converter 20 to the AC / DC converter 20. This is a timed power supply controller that prevents the reverse current flow and converts the direct current power of the battery 23 into alternating current power by the DC / AC converter 27 and applies it to the commercial power supply system through the power cord 21.

夜間に高齢者用電動カート１０のバッテリー２３を充電する場合、モータースイッチ２５を開成（ＯＦＦ）させ、電源コード２１のプラグ２２を家庭の商用電源のコンセントに接続する。   When the battery 23 of the elderly cart 10 is charged at night, the motor switch 25 is opened (OFF), and the plug 22 of the power cord 21 is connected to a household commercial power outlet.

すると、制御回路板２９がブレーカースイッチ２６を開成させ、商用電源の交流電力がＡＣ／ＤＣ変換器２０の入力端に印加され、ＡＣ／ＤＣ変換器２０で直流電力に変換されてバッテリー２３に与えられ、バッテリー２３が充電される。バッテリー２３が所定の電圧に達すると、制御回路板２９がブレーカースイッチ２６を閉成（ＯＮ）させ、これによってＡＣ／ＤＣ変換器２０の入力端への商用電源の交流電力の印加が停止され、充電動作が自動的に停止される。このとき、電源コード２１のプラグ２２は商用電源のコンセントに接続されたままである。   Then, the control circuit board 29 opens the breaker switch 26, and the AC power of the commercial power supply is applied to the input terminal of the AC / DC converter 20, converted into DC power by the AC / DC converter 20, and given to the battery 23. The battery 23 is charged. When the battery 23 reaches a predetermined voltage, the control circuit board 29 closes (ON) the breaker switch 26, thereby stopping the application of the AC power of the commercial power source to the input end of the AC / DC converter 20, The charging operation is automatically stopped. At this time, the plug 22 of the power cord 21 remains connected to a commercial power outlet.

夜間において停電が発生すると、電源コード２１を流れる電流がゼロになるので、時限電源コントローラ２８で商用電源の停電を検知され、ＡＣ／ＤＣ変換器２０の回路に設けたスイッチ２０Ａを開成し、ＡＣ／ＤＣ変換器２０に電流が流れるのを阻止するとともに、ＤＣ／ＡＣ変換器２７でバッテリー２３の直流電力が交流電力に変換され、この交流電力が短時間、例えば３０分間、電源コード２１を通して商用電源に向けて出力され、これによって照明灯が時限点灯されるので、夜間照明を確保することができ、必要な作業を行うことができる。   When a power failure occurs at night, the current flowing through the power cord 21 becomes zero. Therefore, the timed power controller 28 detects the power failure of the commercial power source, opens the switch 20A provided in the circuit of the AC / DC converter 20, and AC The DC / AC converter 27 converts the direct current power of the battery 23 into alternating current power, and this alternating current power is commercialized through the power cord 21 for a short time, for example, 30 minutes. Since it is output toward the power source and the illuminating lamp is turned on in a timely manner, it is possible to ensure nighttime illumination and perform necessary work.

１０ 高齢者用電動カート
２０ ＡＣ／ＤＣ変換器
２１ 電源コード
２２ プラグ
２３ バッテリー
２４ モーター
２５ モータースイッヂ
２６ ブレーカースイッチ
２７ ＤＣ／ＡＣ変換器
２８ 時限電源コントローラ
２９ 制御回路板
DESCRIPTION OF SYMBOLS 10 Electric cart for elderly people 20 AC / DC converter 21 Power cord 22 Plug 23 Battery 24 Motor 25 Motor switch 26 Breaker switch 27 DC / AC converter 28 Timed power supply controller 29 Control circuit board

Claims (1)

充電時に電源コードのプラグを商用電源のコンセントに接続し、コントローラの制御によって、商用電源の交流電力をＡＣ／ＤＣ変換器で直流電力に変換させてカート搭載のバッテリーに与えて充電し、バッテリーが所定電圧に達したときにバッテリーの充電を自動停止させる一方、バッテリーの電力をカートの駆動モーターに与えて走行させるようにした高齢者用電動カートにおいて、
上記ＡＣ／ＤＣ変換器の回路を開閉するスイッチ手段と、
上記バッテリーの電力を交流電力に変換するＤＣ／ＡＣ変換器と、
電源コードのプラグが商用電源のコンセントに接続された状態の夜間における商用電源の停電を検知して上記バッテリーの直流電力を上記ＤＣ／ＡＣ変換器で交流電力に変換させ、この交流電力を上記電源コードから商用電源系に時限電源として与えるとともに、上記スイッチ手段を制御して上記ＡＣ／ＤＣ変換器の回路を開成する時限電源コントローラと、
を備えたことを特徴とする。
At the time of charging, connect the plug of the power cord to the outlet of the commercial power supply. In the electric cart for elderly people that automatically stops the charging of the battery when the predetermined voltage is reached, while running the battery by supplying the power of the battery to the cart drive motor,
Switch means for opening and closing the circuit of the AC / DC converter;
A DC / AC converter for converting the battery power into AC power;
A commercial power supply blackout is detected at night when the power cord plug is connected to a commercial power outlet, and the DC power of the battery is converted into AC power by the DC / AC converter. A timed power supply controller that provides a commercial power supply system from a cord as a timed power supply and controls the switch means to open the circuit of the AC / DC converter;
It is provided with.
JP2015084665A 2015-04-17 2015-04-17 Elderly electric cart Expired - Fee Related JP6400523B2 (en)

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