JPS5819073B2 - Test equipment for electric cars - Google Patents
Test equipment for electric carsInfo
- Publication number
- JPS5819073B2 JPS5819073B2 JP51012728A JP1272876A JPS5819073B2 JP S5819073 B2 JPS5819073 B2 JP S5819073B2 JP 51012728 A JP51012728 A JP 51012728A JP 1272876 A JP1272876 A JP 1272876A JP S5819073 B2 JPS5819073 B2 JP S5819073B2
- Authority
- JP
- Japan
- Prior art keywords
- connection terminal
- terminal section
- circuit
- selection switch
- section
- 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.)
- Expired
Links
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Tests Of Electronic Circuits (AREA)
Description
【発明の詳細な説明】
本発明は電気回路を試験するための試験装置に係り、特
に電気車用回路試験装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a testing device for testing electric circuits, and particularly to a circuit testing device for electric vehicles.
一般に電気回路を試験する装置は多種類のものが存在す
るが、いずれも構造が複雑にして、かつ操作が面倒であ
り高度の尋問的知識と熟練を要する等実用に供し難い点
が多々ある。In general, there are many types of devices for testing electrical circuits, but all of them have many disadvantages such as complex structures, cumbersome operations, and the need for a high degree of interrogation knowledge and skill, making them difficult to put to practical use.
また簡単な回路を試験する場合でも、種々の試験器を要
するばかりでなく熟練者でなければ試験の遂行が困難と
なる等の問題点があった。Furthermore, even when testing a simple circuit, there are problems such as not only requiring various testers but also making it difficult for non-experts to perform the test.
例えば電気車の場合には、その運転制御回路のロジック
回路部分はユニット化されプリント板に組込んであるが
、もしプリント板から外の装置の配線にヒフク破れなど
の故障が起って他の導電部などと接触したような時、プ
リント板に異常な電圧が印加され一部の部品が焼損して
しまうことがある。For example, in the case of an electric car, the logic circuit part of the operation control circuit is unitized and built into a printed board, but if a failure such as a crack occurs in the wiring of a device outside the printed board, other problems may occur. When a printed circuit board comes into contact with a conductive part, an abnormal voltage may be applied to the printed board and some parts may burn out.
修理の際充分外部の異常をチェックしないでこのプリン
ト板を新品と交換してしまうと又その新プリント板も破
損してしまうという危険があった。If this printed board was replaced with a new one without sufficiently checking for external abnormalities during repair, there was a risk that the new printed board would also be damaged.
本発明は上記の欠点を除去したもので、その目的はロジ
ックユニット等のユニット回路が破損したとき等に新規
の回路ユニットに取り代える前に該ユニット回路以外の
部分の故障を確実に検知で・き、前記新規な回路ユニッ
トの取り代え時における破損を防止できるようにした試
験装置を提供することである。The present invention eliminates the above drawbacks, and its purpose is to reliably detect failures in parts other than the unit circuit before replacing it with a new circuit unit when a unit circuit such as a logic unit is damaged. Another object of the present invention is to provide a test device that can prevent damage when replacing the new circuit unit.
以下に本発明の実施例に係る試験装置について第１図〜
第３図によって説明する。Below, the test apparatus according to the embodiment of the present invention is shown in Figs.
This will be explained with reference to FIG.
第１図はこの実施例による試験装置の概略構成を示し、
箱体１には選択スイッチ２と該スイッチ２の可動接点３
と地気間には電圧表示部例えば電圧計５が接続されてい
る。FIG. 1 shows a schematic configuration of a test device according to this embodiment,
The box body 1 includes a selection switch 2 and a movable contact 3 of the switch 2.
A voltage display unit, such as a voltmeter 5, is connected between the ground and the ground.
また選択スイッチ２の固定接点４８〜４ｄには；それぞ
れ束線６の各リード線６３〜６ｄが接続されており、束
線６は外部接続端子部７の対応する端子（図示せず）に
接続されている。Further, the fixed contacts 48 to 4d of the selection switch 2 are connected to respective lead wires 63 to 6d of the wire bundle 6, and the wire bundles 6 are connected to corresponding terminals (not shown) of the external connection terminal section 7. has been done.
外部接続端子部７には第１の中継端子部８が連結されて
おり、この第１の中継端子部８には束線９を介して第２
１の中継端子部１０が連結されている。A first relay terminal portion 8 is connected to the external connection terminal portion 7, and a second relay terminal portion 8 is connected to the first relay terminal portion 8 via a bundled wire 9.
One relay terminal section 10 is connected.
この第２の中継端子部１０は後述する運転制御回路のロ
ジックユニットのプリント板接続端子部に挿入接続され
るものである。This second relay terminal section 10 is inserted and connected to a printed board connection terminal section of a logic unit of an operation control circuit, which will be described later.
第２図は、第３図の回路図に示す如き電気車の運転制御
回路およびチョッパ回路部を構成するもので、コンデン
サ、コイル等の回路素子群１２とサイリスク、ダイオー
ド等の半導体素子群１３に粗分けられ、パネル又は基板
１１に組込みユニット化されている。FIG. 2 shows a configuration of the operation control circuit and chopper circuit of an electric vehicle as shown in the circuit diagram of FIG. It is roughly divided and assembled into a panel or board 11 to form a unit.
またパネル又は基板１１には接続端子部１４が配設され
ており、この接続端子部１４にはロジックユニツ）ＬＵ
が挿入接続されてイル。In addition, a connection terminal section 14 is provided on the panel or board 11, and a logic unit (LU) is provided on this connection terminal section 14.
is inserted and connected.
パネル１１はバッテリ１５および電動機１６とともに電
気車に塔載されている。The panel 11 is mounted on an electric vehicle together with a battery 15 and an electric motor 16.
すなわち、第３図は電気車の運転制御回路の概略を示す
もので、直流電源であるバッテリ１５には始動用コンタ
クト１７およびチョッパ１８を介して、電機子１６ａと
界磁巻線１６ｂを有する直流電動機１６が接続されてい
る。That is, FIG. 3 shows an outline of the operation control circuit of an electric vehicle, in which a DC power supply having an armature 16a and a field winding 16b is connected to a battery 15, which is a DC power source, through a starting contact 17 and a chopper 18. An electric motor 16 is connected.
バッテリ１５には手動スイッチ１９を介してロジックユ
ニットＬＵが並列に接続されている。A logic unit LU is connected in parallel to the battery 15 via a manual switch 19.
ロジックユニットＬＵには抵抗２１、定電圧素子である
ツェナーダイオード２２、チョッパ１８のサイリスク１
８ａにゲート信号を供給する発振器２３等が内蔵されて
いる。The logic unit LU includes a resistor 21, a Zener diode 22 which is a constant voltage element, and a sirisk 1 of the chopper 18.
An oscillator 23 and the like for supplying a gate signal to 8a is built-in.
また第３図において２４２〜２４ｄはロジックユニット
ＬＵと他の回路部分との接続端子であって、これらの接
続端子２４８〜２４ｄは第２図の接続端子部１４内に配
設されている。Further, in FIG. 3, reference numerals 242 to 24d are connection terminals between the logic unit LU and other circuit parts, and these connection terminals 248 to 24d are arranged within the connection terminal section 14 of FIG.
次に上記構成の本試験装置の動作を説明する。Next, the operation of this test apparatus having the above configuration will be explained.
いま第２図に示したパネル１１上の接続端子部１４に挿
入されているロジックユニツｔ−ＬＵ（７）故障が判別
されたとき、該ロジックユニットＬＵを接続端子部１４
から取外し、第１図に示した第２の中継端子１０を接続
端子部１４に挿入接続する。When it is determined that the logic unit t-LU(7) currently inserted in the connection terminal section 14 on the panel 11 shown in FIG.
The second relay terminal 10 shown in FIG. 1 is inserted and connected to the connection terminal section 14.
このとき第３図の回路における接続端子２４ａ〜２４ｄ
は、接続端子部１４、第２の中継端子１０を介して選択
スイッチ２の固定接点４８〜４ｄに接続される。At this time, the connection terminals 24a to 24d in the circuit of FIG.
are connected to the fixed contacts 48 to 4d of the selection switch 2 via the connection terminal section 14 and the second relay terminal 10.
この状態でアクセルスイッチ１９が閉成されていないと
き、選択スイッチ２の可動接点３を固定接点４ａ〜４ｄ
に接続させてゆくと、端子２４２〜２４ｄは可動接点３
を介して電圧計５に接続されてゆく。When the accelerator switch 19 is not closed in this state, the movable contact 3 of the selection switch 2 is connected to the fixed contacts 4a to 4d.
As the terminals 242 to 24d are connected to the movable contact 3
It is connected to the voltmeter 5 via.
選択スイッチ２の可動接点３を回動させながら固定接点
４３〜４ｄに順次接続してゆく過程において、接点２４
ａ〜２４Ｃがそれぞれ個個に電圧計５に接続されたとき
該電圧計５に電圧が表示されると、本来この点には電圧
は表れないので異常であることが判り、例えば第３図の
鎖線４に示すようにバッテリ１５の正極端子側のＰ点と
端子２４２間が短絡されていることが判明する。In the process of sequentially connecting the fixed contacts 43 to 4d while rotating the movable contact 3 of the selection switch 2, the contact 24
When a to 24C are individually connected to the voltmeter 5 and the voltage is displayed on the voltmeter 5, it is known that there is an abnormality because no voltage is normally displayed at this point.For example, as shown in Fig. 3. As shown by the chain line 4, it is found that the point P on the positive terminal side of the battery 15 and the terminal 242 are short-circuited.
このように鎖線４に示す如き短絡事故が発生すると、プ
リント板に組込まれたロジックユニットＬＵのツェナー
ダイオード２２と発振回路２３が破損するものである。If a short circuit accident as shown by the chain line 4 occurs, the Zener diode 22 and oscillation circuit 23 of the logic unit LU incorporated in the printed board will be damaged.
従って新プリント板をそれと知らずに交換すれば再び新
プリント板を焼損するこ吉になる。Therefore, if you replace the new printed board without knowing it, you risk burning out the new printed board again.
さらにまた、選択スイッチ２において可動接点３を固定
接点２４ｂ 、２４ｃに接続したとき電圧計５に電圧が
表示されるとき、これも異常で例えば鎖線４に示すよう
にバッテリ１５の正極端子とアクセル抵抗２０の可動片
２０ａ側が短絡されていることが判る。Furthermore, when the movable contact 3 is connected to the fixed contacts 24b and 24c in the selection switch 2 and the voltage is displayed on the voltmeter 5, this is also abnormal and the positive terminal of the battery 15 and the accelerator resistor are connected as shown by the chain line 4. It can be seen that the movable piece 20a side of 20 is short-circuited.
したがって、このようなとき新規のロジックユニットを
接続端子部１４に挿接すると、該新規のロジックユニッ
トは即座に破損してしまうことになる。Therefore, if a new logic unit is inserted into the connection terminal portion 14 in such a case, the new logic unit will be immediately damaged.
それ故、上述の手段によって運転制御回路のロジックユ
ニット以外の部分の故障箇所を検知し修理した後、新規
のロジックユニットに差し換えれば電気車の正常な運転
制御が可能になる。Therefore, by detecting and repairing a faulty part of the operation control circuit other than the logic unit using the above-mentioned means, and then replacing it with a new logic unit, normal operation control of the electric vehicle becomes possible.
なお上述の実施例では選択スイッチ２の各接点４ａ〜４
ｄを外部接続端子部７、中継端子部８゜９を介して電気
車の運転制御回路の接続端子部１４に接続するようにし
たが、本発明においては第４図で示すように外部接続端
子部７を直接接続端子部１４に挿入接続してもよい。In addition, in the above-mentioned embodiment, each contact 4a to 4 of the selection switch 2
d is connected to the connection terminal section 14 of the operation control circuit of the electric vehicle via the external connection terminal section 7 and the relay terminal section 8.9, but in the present invention, as shown in FIG. The portion 7 may be directly inserted and connected to the connection terminal portion 14.
また本発明においては電圧表示部として電圧計５の代り
にランプ又はブザー等を使用してもよい。Further, in the present invention, a lamp, a buzzer, or the like may be used instead of the voltmeter 5 as the voltage display section.
以上の説明から明らかなように、本発明の電気車用試験
装置は電源からの電力を電圧調整器を介して電動機に供
給するようにした運転装置において、前記電圧調整器を
制御するロジックユニットを含むプリント回路板を挿入
接続する接続端子部に前記ロジックユニットが破損した
とき前記プリント回路板を取外し、該プリント回路板を
取外した部位に選択スイッチの接点を外部接続端子部、
中継端子部等を介して接続すると共に、前記選択スイッ
チの接点を電圧（電流）表示部を接続して）なるもので
ある。As is clear from the above description, the electric vehicle testing device of the present invention is a driving device that supplies power from a power source to an electric motor via a voltage regulator, and includes a logic unit that controls the voltage regulator. When the logic unit is damaged, the printed circuit board is removed from the connection terminal section to which the printed circuit board is inserted and connected, and the contacts of the selection switch are connected to the external connection terminal section, where the printed circuit board is removed.
The voltage (current) display section is connected to the contact point of the selection switch through a relay terminal section or the like.
したがって本発明によれば、破損したプリント回路板を
新規のプリント回路板に取り代える前に被試験回路のプ
リント回路板以外の部分を試験して修正することができ
、新規なプリント回路板の破損防止が可能である。Therefore, according to the present invention, before replacing a damaged printed circuit board with a new printed circuit board, parts of the circuit under test other than the printed circuit board can be tested and repaired, and the damaged printed circuit board can be repaired. Prevention is possible.
しかもその試験装置は構造簡単かつ操作が容易で安価で
ある等、本発明は実用的かつ技術的に極めて優れた効果
を奏するものである。Moreover, the test apparatus has a simple structure, is easy to operate, and is inexpensive, so that the present invention has extremely excellent practical and technical effects.
第１図は本発明の実施例に係る試験装置の概略構成図、
第２図は被試験装置の概略構成図、第３図は被試験装置
の電気結線図、第４図は試験装置の他の例を示す概略図
である。
２・・−・・・選択スイッチ、３・・・・・・選択スイ
ッチの可動接点、４ａ〜４ｄ・・・・・・選択スイッチ
の固定接点、５・・・・・・表示部、７・・・・・・外
部接続端子部、１４・・・・・・接続端子部、ＬＵ・・
・・・・回路板上のロジックユニット。FIG. 1 is a schematic configuration diagram of a test device according to an embodiment of the present invention,
FIG. 2 is a schematic configuration diagram of the device under test, FIG. 3 is an electrical wiring diagram of the device under test, and FIG. 4 is a schematic diagram showing another example of the test device. 2... Selection switch, 3... Movable contact of the selection switch, 4a to 4d... Fixed contact of the selection switch, 5... Display section, 7. ...External connection terminal section, 14...Connection terminal section, LU...
...Logic unit on the circuit board.
Claims (1)
するようにした電気車の運転装置において、前記電圧調
整器を制御するロジックユニットを含む回路板を挿入す
る接続端子部と、該回路板を取外した後前記接続端子部
に接続する外部接続端子部と、該外部接続端子部に各固
定接点が接続された選択スイッチと、該選択スイッチの
可動接点に接続された表示部とからなり、前記運転装置
の回路板以外の回路部を試験するようにして構成したこ
とを特徴とする電気車用試験装置。1. A driving device for an electric vehicle configured to supply power from a power source to a motor via a voltage regulator, comprising: a connection terminal portion into which a circuit board including a logic unit for controlling the voltage regulator is inserted; and the circuit board. an external connection terminal section that is connected to the connection terminal section after removal of the external connection terminal section, a selection switch that has each fixed contact connected to the external connection terminal section, and a display section that is connected to the movable contact of the selection switch, A testing device for an electric vehicle, characterized in that it is configured to test a circuit section other than a circuit board of the driving device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP51012728A JPS5819073B2 (en) | 1976-02-06 | 1976-02-06 | Test equipment for electric cars |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP51012728A JPS5819073B2 (en) | 1976-02-06 | 1976-02-06 | Test equipment for electric cars |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5295401A JPS5295401A (en) | 1977-08-11 |
| JPS5819073B2 true JPS5819073B2 (en) | 1983-04-15 |
Family
ID=11813487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP51012728A Expired JPS5819073B2 (en) | 1976-02-06 | 1976-02-06 | Test equipment for electric cars |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5819073B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62151377U (en) * | 1986-03-19 | 1987-09-25 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4939397U (en) * | 1972-07-12 | 1974-04-06 |
-
1976
- 1976-02-06 JP JP51012728A patent/JPS5819073B2/en not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4939397U (en) * | 1972-07-12 | 1974-04-06 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62151377U (en) * | 1986-03-19 | 1987-09-25 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5295401A (en) | 1977-08-11 |
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