JP2008092716A - Charger inspection device - Google Patents

Charger inspection device Download PDF

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Publication number
JP2008092716A
JP2008092716A JP2006272473A JP2006272473A JP2008092716A JP 2008092716 A JP2008092716 A JP 2008092716A JP 2006272473 A JP2006272473 A JP 2006272473A JP 2006272473 A JP2006272473 A JP 2006272473A JP 2008092716 A JP2008092716 A JP 2008092716A
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charger
inspection
battery pack
remaining capacity
data
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Takashi Nagaoka
隆 永岡
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Panasonic Holdings Corp
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Matsushita Electric Industrial Co Ltd
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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
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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  • Tests Of Electric Status Of Batteries (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract

<P>PROBLEM TO BE SOLVED: To solve the problem that a charging performance inspection can not be executed since a charger is prevented from being shifted to a charging mode because remaining capacity data of a battery pack connected for an inspection becomes 100% due to repetition of a charging inspection in a performance inspection of a charger that executes charge control by receiving the remaining capacity data outputted from the battery pack. <P>SOLUTION: It is composed so as to execute control for resetting the remaining capacity data provided in a battery pack substrate to zero. After the end of the inspection of the charger, the remaining capacity data of the battery pack substrate is reset to zero. Consequently, it prevents the occurrence of a state, in which the remaining capacity data becomes 100%, during an inspection period. It is possible to automatically execute the high speed, repetitive inspection of charger performance while preventing the occurrence of a state that prevents the charger from being shifted to the charging mode. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本発明は、充電器の性能検査装置に関するものである。   The present invention relates to a performance inspection apparatus for a charger.

近年、デジタルスチルカメラやビデオムービーといった携帯可能な電子機器の市場が急速に伸びている。その中で、携帯型電子機器に電源を供給するための充電型電池パック及び、この電池パックを充電する充電器は重要な役割を担っている。電池パックには、電池の残容量を演算し、表示するなどのインテリジェント機能を有するものが、充電器は、電池パックからの残容量データなどのデータを受取り、それらのデータに基づいて、充電を制御するものが増加している。   In recent years, the market for portable electronic devices such as digital still cameras and video movies has grown rapidly. Among them, a rechargeable battery pack for supplying power to a portable electronic device and a charger for charging the battery pack play an important role. Some battery packs have intelligent functions such as calculating and displaying the remaining capacity of the battery, but the charger receives data such as remaining capacity data from the battery pack and performs charging based on those data. Things to control are increasing.

このような充電器の性能検査は、従来のように、充電器の出力に負荷抵抗を接続して、その負荷電流（充電電流）を測定し、製品の良否を検査する単純な方式に比べ、電池パックとデータ通信し、電池パックからのデータによる充電制御を確認するなど複雑化して来ている為、検査時間の高速化の実現が難しく、検査の高速化が課題となっている。   Compared to the conventional method of testing the performance of such a charger, a load resistance is connected to the output of the charger, the load current (charging current) is measured, and the quality of the product is inspected, as in the past. Since data communication with the battery pack and charging control based on data from the battery pack have been complicated, it is difficult to realize a high inspection time, and it is a problem to increase the inspection speed.

上記課題の検査の高速化を解決するために、充電器のマイコンにテストモードを設け、性能検査を高速に行なう方法（例えば、特許文献１参照）などが提案されている。又、電池パックからの残容量データなどのデータを受取って、そのデータに基づいて充電制御する方式の充電器の性能検査に関しては、図３に示すように、検査される充電器基板と、その充電器で充電され、電池の代わりにDC電源で電源供給された電池パック内の電池パック基板を接続し、充電器基板と電池パック基板とが、データ通信しながら、充電器性能を検査する方法が一般的である。
実開平６−８０３４６号公報 In order to solve the above-mentioned problem of speeding up the inspection, a method of providing a test mode in the microcomputer of the charger and performing the performance inspection at high speed (for example, see Patent Document 1) has been proposed. In addition, as shown in FIG. 3, with respect to the performance inspection of the charger that receives data such as the remaining capacity data from the battery pack and controls charging based on the data, as shown in FIG. A method in which a battery pack board in a battery pack that is charged by a charger and powered by a DC power supply instead of a battery is connected, and the charger board and the battery pack board inspect the charger performance while performing data communication. Is common.
Japanese Utility Model Publication No. 6-80346

電池パック基板は、電池パックの＋端子と−端子間に流れる電流量を検出し、その電流量を時間積算し残容量を演算している。電池パックに充電電流が流れると、残量は加算演算となり、逆に放電電流が流れると、残量は減算演算となる。通常、これらのデータは不揮発性メモリーに保存され、データの継続性を保っている。電池パックは、このような充電、放電の繰り返しであり、不揮発性メモリーに保存されたデータは、充電の際は加算演算され、放電の際は、減算演算され、常に正しい残容量のデータを保っている。このような性能の電池パック基板を充電器性能検査に用いて充電器基板と接続し、充電器性能を検査する場合、充電器性能検査は、充電電流を流して検査するのがほとんどであり（電池パック基板には充電電流のみが流れるのがほとんどであり）、図３の方式で検査を繰り返すと、電池パック基板は、充電が繰り返される為、そのうちに残容量が１００％になってしまい、その為に残容量１００％のデータを受取った充電器が充電モードに移行しなくなり、検査できなくなる欠点を有していた。又、電池パック基板は、通常、強制的に残容量データを０にリセットする機能はなく、従って、残容量が１００％になる毎に、残容量が０％の電池パック基板と交換する必要が生じ、検査の自動化、高速化とは程遠い課題を有していた。   The battery pack board detects the amount of current flowing between the + terminal and the − terminal of the battery pack, and calculates the remaining capacity by integrating the amount of current over time. When the charging current flows through the battery pack, the remaining amount becomes an addition operation, and conversely when the discharging current flows, the remaining amount becomes a subtraction operation. Usually, these data are stored in a non-volatile memory, and the continuity of the data is maintained. The battery pack repeats such charging and discharging, and the data stored in the non-volatile memory is added and calculated when charging, and subtracted when discharging and always maintains the correct remaining capacity data. ing. When the battery pack board with such performance is connected to the charger board using the charger performance inspection and the charger performance is inspected, the charger performance inspection is in most cases conducted by supplying a charging current ( In most cases, only the charging current flows through the battery pack substrate), and when the inspection is repeated using the method of FIG. 3, the battery pack substrate is repeatedly charged, so that the remaining capacity becomes 100% over time. For this reason, the charger that has received the data with the remaining capacity of 100% does not shift to the charging mode and cannot be inspected. In addition, the battery pack board does not normally have a function of forcibly resetting the remaining capacity data to 0, and therefore it is necessary to replace the battery pack board with a remaining capacity of 0% every time the remaining capacity reaches 100%. As a result, there was a problem far from automation and speeding up of inspection.

本発明は、この様な課題を解決するものであり、電池パックとデータ通信し、電池パックからの残容量データに基づいて充電を制御する方式の充電器の性能検査が、自動で、かつ高速にできる充電器性能検査装置を提供することを目的とする。   The present invention solves such a problem, and the performance inspection of a charger that performs data communication with the battery pack and controls charging based on the remaining capacity data from the battery pack is automatic and high-speed. It is an object of the present invention to provide a charger performance inspection device that can be used.

上記目的を達成するために本発明の充電器検査装置は、電池パック基板とデータ通信をし、そのデータに基づいて、充電を制御する方式の充電器の性能検査において、前記データの内、残容量データを外部から強制的に０にリセットできる電池パック基板を用いて行なうことを特徴としている。   In order to achieve the above object, a charger inspection device according to the present invention performs data communication with a battery pack substrate, and in the performance inspection of a charger that controls charging based on the data, It is characterized by using a battery pack substrate that can forcibly reset the capacity data to 0 from the outside.

また、電池パック基板の残容量データの０へのリセットを、充電器検査装置からの制御によって行なうことを特徴とする。これによると、検査期間中は、充電器に接続した電池パック基板の残容量データが１００％にならず、充電器は充電を繰り返すことが可能で、自動、かつ高速で検査できる充電器の性能検査装置を提供することができる。   Further, the remaining capacity data of the battery pack board is reset to 0 by control from the charger inspection device. According to this, during the inspection period, the remaining capacity data of the battery pack board connected to the charger does not become 100%, the charger can repeat charging, and the performance of the charger that can be inspected automatically and at high speed An inspection device can be provided.

本発明によると、充電器の検査により使用する電池容量が満充電モードにならないようにすることで、充電器の検査中繰り返し充放電が可能なり、途中で検査が遮断されることなく、自動で高速な充電器の検査を可能にすることができる。   According to the present invention, by preventing the battery capacity used by the charger from being in full charge mode, it is possible to repeatedly charge and discharge during the inspection of the charger. It is possible to inspect the charger at high speed.

以下、本発明の実施形態について添付図面を参照して説明する。   Embodiments of the present invention will be described below with reference to the accompanying drawings.

図１は、本発明の実施形態に係る充電器の検査装置のブロック図を示している。   FIG. 1: has shown the block diagram of the inspection apparatus of the charger which concerns on embodiment of this invention.

詳細な充電器性能検査は、充電器内の基板を用いた検査を行なうのが主であり、充電器基板を用いた検査を例に取って説明する。充電器基板１は、AC電源２から電源を供給される。該充電器の性能を検査する充電検査装置３は、充電器基板１に設けられたテストポイント（以下、ＴＰと記す）４に、コンタクトピンを刺し、ＴＰ４の状態を監視し、又、ＴＰ４を介し電圧印加等行い、検査を行なう。該充電器で充電する電池パック内の電池パック基板５は、電池の残容量を演算するための、電流積算抵抗６、残容量演算回路７と、電池が不安全な状態になることを未然に防ぐ、安全回路８とスイッチ（以下ＳＷと記す）９で構成される。通信回路１０は、残容量演算回路７で演算された残容量データ等を予め決められた通信方式に変換してデータ出力する回路である。１３は、残容量演算回路７で演算された残容量値を強制的に０にするリセット回路である。１１は、電池パック基板に電源を供給するＤＣ電源である。電池パックの場合は、電池が電源供給するが、充電器性能検査器の場合は、ＤＣ電源を使用するのが通常である。１枚の充電器基板の検査を終了した後、ＳＷ１２を押すことにより、電池パック基板５内部のリセット回路１３が、残容量演算回路７で演算される残容量データをリセットする。残容量演算回路７は、電流検出抵抗間の電位差を検出し、電流値を演算し、電流積算を行い、不揮発性メモリーに保存された残容量データに加算演算（充電時）又は、減算演算（放電時）することで、正しい残容量を演算している。リセット回路１３を動作させることにより、不揮発性メモリーに保存されたデータは０にリセットされる。リセットすることにより、通信回路１０を介して充電器基板１に供給される残容量データは、１００％になることは無く、充電器基板１は充電器検査装置３からの制御により、充電モードに移行することが可能となる。   The detailed charger performance inspection is mainly performed by using the substrate in the charger, and the inspection using the charger substrate will be described as an example. The charger board 1 is supplied with power from an AC power source 2. The charging inspection device 3 for inspecting the performance of the charger punctures a contact pin at a test point (hereinafter referred to as TP) 4 provided on the charger substrate 1 to monitor the state of TP4. The voltage is applied through the inspection. The battery pack board 5 in the battery pack to be charged by the charger has a current integrating resistor 6 and a remaining capacity calculation circuit 7 for calculating the remaining capacity of the battery, and the battery is in an unsafe state. It consists of a safety circuit 8 and a switch (hereinafter referred to as SW) 9 to prevent. The communication circuit 10 is a circuit that converts the remaining capacity data calculated by the remaining capacity calculation circuit 7 into a predetermined communication method and outputs the data. A reset circuit 13 forcibly sets the remaining capacity value calculated by the remaining capacity calculation circuit 7 to zero. Reference numeral 11 denotes a DC power source that supplies power to the battery pack substrate. In the case of a battery pack, the battery supplies power, but in the case of a charger performance tester, a DC power supply is usually used. After the inspection of one charger board is completed, the reset circuit 13 inside the battery pack board 5 resets the remaining capacity data calculated by the remaining capacity calculation circuit 7 by pressing SW12. The remaining capacity calculation circuit 7 detects a potential difference between the current detection resistors, calculates a current value, performs current integration, and adds (subtracts) or subtracts (recharges) the remaining capacity data stored in the nonvolatile memory. The correct remaining capacity is calculated by discharging. By operating the reset circuit 13, the data stored in the nonvolatile memory is reset to zero. By resetting, the remaining capacity data supplied to the charger board 1 via the communication circuit 10 does not become 100%, and the charger board 1 is set to the charging mode by the control from the charger testing device 3. It is possible to migrate.

図１では、ＳＷ１２を押すことにより、電池パック基板の残容量データのリセットを行なったが、図２に示すように、充電器検査装置３からの制御により電池パック基板のリセットを行なうことも可能である。   In FIG. 1, the remaining capacity data of the battery pack board is reset by pressing SW12. However, as shown in FIG. 2, it is also possible to reset the battery pack board under the control of the charger inspection device 3. It is.

残容量データのリセットは、検査する充電器基板１枚が終了した後行なっても良いし、複数枚の充電器基板の検査が終了した後に行なっても良い。   The remaining capacity data may be reset after one charger board to be inspected is completed or after inspection of a plurality of charger boards is completed.

更に、電池パック基板の残容量演算回路のリセットは、データを０にすると説明してき
たが、０でない予め決めた値にすることも可能である。 Further, although it has been described that the data of the remaining capacity calculation circuit of the battery pack board is reset to 0, it can be set to a predetermined value other than 0.

本発明にかかる充電器性能検査において、充電器に入力される電池パック基板からの残容量データを、１枚又は複数枚の充電器基板の性能検査終了後、リセットして、０または予め決めたデータにするので、検査期間中は常に充電モード移行可能で、高速で、充電器性能検査を行なうのに有用である。   In the charger performance inspection according to the present invention, the remaining capacity data from the battery pack board that is input to the charger is reset to 0 or predetermined after the performance inspection of one or more charger boards is completed. Since the data is used, the charging mode can always be changed during the inspection period, which is useful for performing the charger performance inspection at high speed.

本発明の実施形態に係る充電器検査装置の構成を示すブロック図The block diagram which shows the structure of the charger test | inspection apparatus which concerns on embodiment of this invention. 第２の実施形態に係る充電器検査装置の構成を示すブロック図The block diagram which shows the structure of the charger test | inspection apparatus which concerns on 2nd Embodiment. 従来例の充電器検査装置の構成を示すブロック図The block diagram which shows the structure of the charger inspection apparatus of a prior art example

符号の説明Explanation of symbols

１ 充電器基板
２ ＡＣ電源
３ 充電器検査装置
４ テストポイント（ＴＰ）
５ 電池パック基板
６ 電流検出抵抗
７ 残容量演算回路
８ 安全回路
９ スイッチ（ＳＷ）
１０ 通信回路
１１ ＤＣ電源
１２ スイッチ（ＳＷ）
１３ リセット回路 1 Charger Board 2 AC Power Supply 3 Charger Inspection Device 4 Test Point (TP)
5 Battery pack board 6 Current detection resistor 7 Remaining capacity calculation circuit 8 Safety circuit 9 Switch (SW)
10 Communication circuit 11 DC power supply 12 Switch (SW)
13 Reset circuit

Claims (2)

電池パック基板とデータ通信をし、そのデータに基づいて、充電を制御する方式の充電器の性能検査において、前記データの少なくとも１つの前記電池パックの残容量データを前記電池パックおよび充電器以外の外部から強制的にリセットできる電池パック基板を用いて行なう充電器の検査装置。   In the performance inspection of the battery charger that performs data communication with the battery pack board and controls charging based on the data, the remaining capacity data of at least one of the battery packs of the data other than the battery pack and the charger is used. Battery charger inspection device that uses a battery pack board that can be forcibly reset from the outside. 電池パック基板の残容量データの零へのリセットを、充電器検査装置からの制御によって行なうことを特徴とした請求項１に記載の充電器の検査装置。   The charger inspection device according to claim 1, wherein the remaining capacity data of the battery pack board is reset to zero by control from the charger inspection device.
JP2006272473A 2006-10-04 2006-10-04 Charger inspection device Pending JP2008092716A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013110775A (en) * 2011-11-17 2013-06-06 Takaoka Electric Mfg Co Ltd Charger testing apparatus and mobile simulator
CN104198836A (en) * 2014-08-06 2014-12-10 国家电网公司 Novel output parameter detection device for direct-current system charge device of transformer substation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013110775A (en) * 2011-11-17 2013-06-06 Takaoka Electric Mfg Co Ltd Charger testing apparatus and mobile simulator
CN104198836A (en) * 2014-08-06 2014-12-10 国家电网公司 Novel output parameter detection device for direct-current system charge device of transformer substation

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