JP2002288772A - Vehicle emergency information reporting device and anomaly diagnostic method - Google Patents
Vehicle emergency information reporting device and anomaly diagnostic methodInfo
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- JP2002288772A JP2002288772A JP2001088576A JP2001088576A JP2002288772A JP 2002288772 A JP2002288772 A JP 2002288772A JP 2001088576 A JP2001088576 A JP 2001088576A JP 2001088576 A JP2001088576 A JP 2001088576A JP 2002288772 A JP2002288772 A JP 2002288772A
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- 230000005856 abnormality Effects 0.000 claims description 33
- 238000003745 diagnosis Methods 0.000 claims description 19
- 230000002159 abnormal effect Effects 0.000 claims description 13
- 238000004092 self-diagnosis Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
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- 230000005540 biological transmission Effects 0.000 abstract description 7
- 230000005055 memory storage Effects 0.000 abstract 1
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- 238000010586 diagram Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
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Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、車両緊急情報通報
装置において、特に通報装置自体の異常を診断する異常
診断方法、および車両緊急情報通報装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle emergency information reporting device, and more particularly to an abnormality diagnosis method for diagnosing an abnormality of the reporting device itself, and a vehicle emergency information reporting device.
【０００２】[0002]
【従来の技術】車両緊急情報通報システムは、車両の衝
突などの事故発生時に、車両に搭載した車両緊急情報通
報装置から無線回線を介して、自動でサービスセンター
へ車両緊急情報を通報するシステムである。このシステ
ムにより救急車やパトカーなどの緊急車両が現場へ到着
するまでの時間を短縮し、けが人をより迅速に救出、救
済することができる。また急病人発生などの緊急事態で
も、車両緊急情報通報装置の緊急ボタンを押下すること
により、無線回線を介して車両緊急情報がセンターに通
報され、センターのサービス要員との会話を行うことが
できる。2. Description of the Related Art A vehicle emergency information reporting system is a system for automatically reporting vehicle emergency information to a service center via a wireless line from a vehicle emergency information reporting device mounted on a vehicle when an accident such as a vehicle collision occurs. is there. With this system, the time required for an emergency vehicle such as an ambulance or police car to arrive at the site can be shortened, and an injured person can be rescued and rescued more quickly. Also, in an emergency such as the occurrence of a sudden illness, pressing the emergency button of the vehicle emergency information reporting device reports the vehicle emergency information to the center via a wireless line, and enables conversation with the center's service personnel. .
【０００３】車両緊急情報には、事故発生時の自動通報
と緊急時の手動通報と、ロードサイドサービスの手動通
報がある。事故発生時の自動通報は、車両の衝突や事故
発生時、自動でサービスセンターへ通報し、さらに引き
続いて緊急サービスセンターへ通報するものである。緊
急時の手動通報は、急病人発生などの緊急時、緊急通報
ボタンを押すとサービスセンターへ通報し、さらに引き
続いて緊急サービスセンターへ通報するものである。こ
の他にも、近年、車両のセキュリティ面からの需要が高
まり、一部、車両緊急情報通報システムの実用化が始め
られている。The vehicle emergency information includes an automatic report in the event of an accident, a manual report in an emergency, and a manual report of a roadside service. The automatic notification at the time of occurrence of an accident is to automatically notify the service center when a vehicle collision or an accident occurs, and then to the emergency service center. In the emergency manual call, when an emergency report button is pressed in an emergency such as the occurrence of a sudden illness, a report is made to the service center, and then a report is made to the emergency service center. In addition, in recent years, demand for security of vehicles has increased, and practical use of a vehicle emergency information notification system has begun in part.
【０００４】従来の緊急情報通報システムの上記自動通
報機能として、事故発生時にエアバッグ展開信号等の感
知をすることで、緊急サービスセンターへ電話を自動発
呼するエマージェンシーコール機能が有る。事故時に
は、自動的に前記エマージェンシーコールが作動して、
ドライバーは、車両に設けられたマイクロホンとスピー
カーを用いて緊急センターのオペレーターと会話し、援
助要請を行うのが一般的である（電話用ハンドセットを
用いずに会話を行うハンズフリー通話）。[0004] As the above-mentioned automatic notification function of the conventional emergency information notification system, there is an emergency call function of automatically calling a telephone to an emergency service center by detecting an airbag deployment signal or the like when an accident occurs. In the event of an accident, the emergency call is automatically activated,
In general, a driver talks with an emergency center operator using a microphone and a speaker provided in a vehicle and requests assistance (a hands-free call in which a conversation is performed without using a telephone handset).
【０００５】ところが上記エマージェンシーコールの発
生頻度は極めて低く、通常の使用状態では、機器が万が
一に事故に遭遇したときに、確実に動作するかユーザ側
からでは判断できない。[0005] However, the frequency of occurrence of the emergency call is extremely low, and in a normal use state, it is impossible for the user to determine whether or not the device operates reliably in the event of an accident.
【０００６】そこで、特開平１１−２５０３８２号に記
載の車両緊急情報通報装置では、前記エアーバッグ１７
０や衝突検出装置（加速度センサーなど）、電源装置
（バッテリなど）、車両要素（速度計など）等を診断対
象として故障診断している。Therefore, in the vehicle emergency information notification device described in Japanese Patent Application Laid-Open No. 11-250382, the air bag 17
The fault diagnosis is performed for a zero, a collision detection device (such as an acceleration sensor), a power supply device (such as a battery), a vehicle element (such as a speedometer), and the like.
【０００７】しかしながら、上記公報装置では、車両側
の故障要因から車両緊急情報通報装置が動作可能か診断
しているだけである。[0007] However, the above publication device merely diagnoses whether or not the vehicle emergency information reporting device is operable based on a failure factor on the vehicle side.
【０００８】このように上記従来装置では、車両緊急情
報通報装置自身や車両緊急情報通報装置の一部であるハ
ンズフリー通話のための音声送受話系の故障診断は行わ
れておらず、車両緊急情報通報装置自体に異常が発生し
ている場合には、車両緊急情報通報装置自体に異常診断
機能がないためメンテナンスもできず、万一事故に遭遇
した時、正常にエマージェンシーコールで通話できない
といった問題があった。[0008] As described above, in the above-mentioned conventional apparatus, the failure diagnosis of the voice transmission / reception system for the hands-free communication which is a part of the vehicle emergency information reporting apparatus itself or the vehicle emergency information reporting apparatus is not performed, and the vehicle emergency If the information reporting device itself has an abnormality, the vehicle emergency information reporting device itself does not have an abnormality diagnosis function, so maintenance cannot be performed. was there.
【０００９】[0009]
【発明が解決しようとする課題】そこで、本発明は上記
点に鑑みてなされたもので、車両緊急情報通知自体の異
常を簡単な構成で検出できる車両緊急情報通知装置、お
よび異常診断方法を提供することを目的とする。SUMMARY OF THE INVENTION Accordingly, the present invention has been made in view of the above points, and provides a vehicle emergency information notification device and an abnormality diagnosis method capable of detecting an abnormality of a vehicle emergency information notification itself with a simple configuration. The purpose is to do.
【００１０】[0010]
【課題を解決するための手段】上記目的を達成するた
め、請求項１記載の発明では、車両緊急情報通報装置の
起動時に、所定音信号を音声出力手段から出力し、この
所定音信号のアコースティックループバック信号を音声
入力手段で検出して、所定音信号と前記検出信号を比較
解析することにより、異常検出を行なう。In order to achieve the above object, according to the first aspect of the present invention, a predetermined sound signal is output from a sound output means when the vehicle emergency information notification device is activated, and the acoustic signal of the predetermined sound signal is output. The loopback signal is detected by the voice input means, and a predetermined sound signal and the detection signal are compared and analyzed to perform abnormality detection.
【００１１】これにより、特殊な装置を用いることな
く、前記車両緊急情報通報手段の前記音声入出力部であ
る送受話系の異常診断を行なうことができ、車両緊急情
報通報装置の早期異常認識と高い信頼性のサービス提供
を可能にする。[0011] With this, it is possible to diagnose abnormality of the transmission / reception system, which is the voice input / output unit of the vehicle emergency information reporting means, without using a special device. Enables highly reliable service provision.
【００１２】また請求項２では、前記送受話系の異常診
断に対し、前記アコースティックループバック信号検出
時に外来雑音等の混入による誤判定を防止するために異
常診断を繰り返し行い、その異常判定累積数が、ある閾
値を超えた時、前記送受話系の異常を確定し、センター
に、その異常を通知するものである。According to a second aspect of the present invention, when the acoustic loopback signal is detected, the abnormality diagnosis is repeatedly performed in order to prevent erroneous determination due to mixing of external noise or the like. However, when a certain threshold value is exceeded, the abnormality of the transmission / reception system is determined, and the abnormality is notified to the center.
【００１３】また請求項３では、請求項２と同様に異常
を確定後、その異常発生をユーザに報知するために、Ｌ
ＥＤ、ディスプレイ表示部、携帯無線端末等にその旨の
表示通知をすることができる。According to a third aspect of the present invention, after determining an abnormality in the same manner as in the second aspect, in order to notify the user of the occurrence of the abnormality,
The display notification to that effect can be sent to the ED, the display unit, the portable wireless terminal, or the like.
【００１４】請求項４では、前述の請求項２または請求
項３で判定した異常診断結果を異常ダイアグとして前記
車両緊急情報通報手段内部のメモリ１４０に記憶するこ
とができる。According to a fourth aspect, the abnormality diagnosis result determined in the second or third aspect can be stored as an abnormal diagnosis in the memory 140 in the vehicle emergency information reporting means.
【００１５】また、請求項５記載の車両緊急情報通報装
置の異常診断方法においても、請求項１と同じ作用効果
が得られる。Also, in the abnormality diagnosis method for a vehicle emergency information notification device according to the fifth aspect, the same operation and effect as those of the first aspect can be obtained.
【００１６】[0016]
【発明の実施の形態】以下、本発明の実施の形態を図に
基づいて説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings.
【００１７】図１は、第１の実施の形態における車両緊
急情報通報装置の構成を示すブロック図である。本発明
のポイントは、まず請求項１または５で前述した様に音
声入力手段であるマイクロホン１０５と音声出力手段で
あるスピーカ１１０間の音響結合によるアコースティッ
クリターン信号１６５を利用して、車両緊急情報通報装
置１００の音声送受話系の異常診断を特殊な装置を使用
ぜずに行うことである。FIG. 1 is a block diagram showing the configuration of the vehicle emergency information notification device according to the first embodiment. The point of the present invention is that, as described above, first, the vehicle emergency information notification is performed by using the acoustic return signal 165 by acoustic coupling between the microphone 105 as the voice input means and the speaker 110 as the voice output means. The purpose of the present invention is to perform abnormality diagnosis of the voice transmission / reception system of the device 100 without using a special device.
【００１８】前述のエマージェンシーコール機能動作で
は、事故発生時、エアバック制御装置１７０からのエア
バック展開信号等により、車両緊急情報通報装置１００
の制御回路部１４５を介して、無線部１５５から緊急セ
ンターへ電話が自動発呼される。その後、緊急センター
と車両間で呼が確立されると、車両内に設けられたマイ
クロホン１０５とスピーカ１１０を用いて、ハンドセッ
トを使用しないハンズフリーの状態で会話し援助要請を
行なうことができる。In the emergency call function operation described above, when an accident occurs, the vehicle emergency information notification device 100 receives an airbag deployment signal from the airbag control device 170 or the like.
Is automatically called from the wireless unit 155 to the emergency center via the control circuit unit 145 of FIG. Thereafter, when a call is established between the emergency center and the vehicle, it is possible to use the microphone 105 and the speaker 110 provided in the vehicle to talk in a hands-free state without using a handset and to request assistance.
【００１９】ここで、車両内でハンズフリー通話を行な
う場合、携帯電話で会話をする場合に比べて、車両搭乗
者とマイクロホン１０５およびスピーカ１１０までの距
離が大きくなるため、前述の様にマイクロホン１０５と
スピーカ１１０の音響結合によってアコースティックル
ープバックが形成され、通話時にエコーやハウリングが
発生してしまう。Here, when a hands-free call is made in the vehicle, the distance between the occupant of the vehicle and the microphone 105 and the speaker 110 becomes larger than when a conversation is made with a mobile phone. Acoustic loopback is formed by the acoustic coupling between the speaker and the speaker 110, and echo and howling occur during a call.
【００２０】これを抑制するために、車両緊急情報通報
装置１００の音声信号処理部１１５内には、マイクロホ
ン１０５から入力される車両搭乗者の音声、エコーやハ
ウリングの発生原因であるアコースティックリターン信
号１６５、外来雑音等の合成信号をＡ／Ｄ変換器１２０
でアナログ−デジタル変換した後、エコーキャンセラー
およびノイズキャンセラー１２５で、不要成分であるア
コースティックリターン信号１６５と外来雑音を前記合
成信号から除去して純粋な音声を生成している。In order to suppress this, an acoustic return signal 165 which is a cause of occurrence of a vehicle occupant's voice, echo or howling input from the microphone 105 is provided in the voice signal processing unit 115 of the vehicle emergency information notification device 100. , The combined signal of the external noise, etc.
After the analog-to-digital conversion, the echo canceller and noise canceller 125 remove the unnecessary components of the acoustic return signal 165 and extraneous noise from the synthesized signal to generate pure speech.
【００２１】本発明では、キーシリンダ１７５に車両キ
ーが挿入されてＩＧまたはＡＣＣ信号が入力されると、
車両緊急情報通報装置１００にバッテリ１８０から電源
が投入される。電源投入後（車両緊急情報通報装置１０
０が起動後）、メモリ１４０から固定メッセージである
音声ガイダンス信号（例えば、「緊急情報通報システム
作動中です」などの音声ガイダンス）が読み込まれ、Ｄ
／Ａ変換器１３５でアナログ音声に変換して、スピーカ
１１０から音声出力することができる。この音声出力信
号は、前述のアコースティックループバックによるアコ
ースティックリターン信号１６５としてマイクロホン１
０５に混入する。In the present invention, when a vehicle key is inserted into the key cylinder 175 and an IG or ACC signal is input,
Power is supplied to the vehicle emergency information notification device 100 from the battery 180. After power-on (vehicle emergency information reporting device 10
0 is activated), a voice guidance signal as a fixed message (for example, voice guidance such as "the emergency information notification system is operating") is read from the memory 140, and D
The signal can be converted into analog sound by the / A converter 135 and output from the speaker 110 as sound. This audio output signal is supplied to the microphone 1 as an acoustic return signal 165 due to the acoustic loopback.
05.
【００２２】マイクロホン１０５では、アコースティッ
クリターン信号１６５を検出してメモリ１４０に記憶
し、波形解析部１３０で前記音声ガイダンス信号と前記
検出信号を比較して車両緊急情報通報装置１００の異常
診断を行なうことができる。In the microphone 105, the acoustic return signal 165 is detected and stored in the memory 140, and the waveform analysis unit 130 compares the voice guidance signal with the detection signal to diagnose the abnormality of the vehicle emergency information reporting device 100. Can be.
【００２３】波形解析部１３０は、前記音声ガイダンス
信号と前記検出信号の波形振幅を比較するだけでなく、
波形歪の比較も行なうことが可能で、通話不能状態を検
出するだけでなく、音声系の調整不良等も解析ができ
る。The waveform analysis unit 130 not only compares the waveform amplitude of the voice guidance signal with the waveform amplitude of the detection signal, but also
It is also possible to compare waveform distortions, and not only to detect an incommunicable state, but also to analyze an improper adjustment of a voice system.
【００２４】この様に本発明では、電源投入時に、特殊
な装置を用いることなく車両緊急情報通報装置１００の
早期異常認識と信頼性の高い緊急情報サービスを提供す
る特徴がある。As described above, the present invention is characterized in that, when the power is turned on, the vehicle emergency information notification device 100 provides early abnormality recognition and a highly reliable emergency information service without using any special device.
【００２５】さらに、車両緊急情報通報装置１００は、
起動時に音声送受話系以外の内部回路も自己診断してお
り、車両緊急情報通報装置１００の異常が発生した場合
には、請求項２または３に記載した様に、制御回路１４
５を介して、無線部１５５から緊急センターに通報する
こともできるし、ユーザーに対して音声通知やＬＥＤ、
表示部等への表示も行なうことができる。Further, the vehicle emergency information reporting device 100
An internal circuit other than the voice transmission / reception system also performs a self-diagnosis at the time of activation, and when an abnormality of the vehicle emergency information notification device 100 occurs, the control circuit 14 as described in claim 2 or 3.
5, the wireless unit 155 can notify the emergency center, and the user can be notified by voice notification, LED,
Display on a display unit or the like can also be performed.
【００２６】また、請求項４に記載の様に、異常発生時
の異常診断結果は、異常ダイアグとしてメモリ１４０に
記憶されるため、車両緊急情報通報装置１００の故障解
析や修理、メンテナンスに役立てることができる。Further, as described in claim 4, the abnormality diagnosis result at the time of occurrence of an abnormality is stored in the memory 140 as an abnormal diagnosis, which is useful for failure analysis, repair, and maintenance of the vehicle emergency information reporting device 100. Can be.
【００２７】図２は、第２の実施の形態における車両緊
急情報通報装置の構成を示すブロック図である。図２の
車両緊急情報通報装置２１０は、図１に比べて車両緊急
情報通報装置１００から無線部１５５が取り除かれ、外
部に携帯電話等の携帯無線端末２２０を接続可能とし、
前述の異常診断機能、緊急センターへの通報機能、ユー
ザーへの通知は、図１と同様に実現できる。この他に外
部から接続された携帯無線端末２２０の表示部に異常診
断結果や自己診断結果を表示させたり、携帯無線端末２
２０からの操作によって、車両緊急情報通報装置２１０
単体ではできない自己診断制御もできるという特徴があ
る。FIG. 2 is a block diagram showing the configuration of the vehicle emergency information notification device according to the second embodiment. The vehicle emergency information notification device 210 of FIG. 2 has the wireless unit 155 removed from the vehicle emergency information notification device 100 as compared with FIG. 1, and a mobile wireless terminal 220 such as a mobile phone can be connected to the outside.
The abnormality diagnosis function, the notification function to the emergency center, and the notification to the user can be realized in the same manner as in FIG. In addition to the above, an abnormality diagnosis result and a self-diagnosis result are displayed on the display unit of the portable wireless terminal 220 connected from the outside,
The vehicle emergency information reporting device 210
The feature is that self-diagnosis control that cannot be performed by itself can be performed.
【００２８】図３は、本発明の車両緊急情報通報装置を
異常診断するためのフローチャートである。FIG. 3 is a flowchart for diagnosing the vehicle emergency information reporting device of the present invention for abnormality.
【００２９】本発明の車両緊急情報通報装置では、Ｓ１
１０で車両キー等によりＡＣＣまたはＩＧ信号が投入さ
れると、Ｓ１２０で車両緊急情報通報装置の電源が投入
され、車両緊急情報通報装置内部の初期化と、Ｓ１３０
で車両緊急情報通報装置内部の自己診断が実施される。
Ｓ１４０で車両緊急情報通報装置内部が正常か否かを判
定し、異常と判定（Ｓ１４０：ＮＯ）した場合、Ｓ１９
０で車両緊急情報通報装置内部の自己診断のリトライ回
数をカウントし、リトライ回数がｎ１回以上になった
時、Ｓ２００に進んで異常を確定する。In the vehicle emergency information notification device of the present invention, S1
When an ACC signal or an IG signal is input by a vehicle key or the like in step 10, the power supply of the vehicle emergency information notification apparatus is turned on in step S120, and initialization inside the vehicle emergency information notification apparatus is performed.
The self-diagnosis inside the vehicle emergency information notification device is carried out.
In S140, it is determined whether or not the inside of the vehicle emergency information reporting device is normal, and if it is determined to be abnormal (S140: NO), S19 is performed.
At 0, the number of retries for self-diagnosis inside the vehicle emergency information notification device is counted, and when the number of retries becomes n1 or more, the process proceeds to S200 to determine an abnormality.
【００３０】次に、Ｓ１４０で車両緊急情報通報装置内
部を正常と判定（Ｓ１４０：ＹＥＳ）した場合、Ｓ１５
０にて正常動作中であることを知らせるための音声固定
メッセージ（例えば、「緊急情報通報システム作動中で
す」等の音声合成ガイダンスの発声）を車両緊急情報通
報装置の音声合成機能を使って、車両スピーカ１１０か
ら発声する。Next, if it is determined in S140 that the inside of the vehicle emergency information reporting device is normal (S140: YES), the process proceeds to S15.
At 0, a voice fixed message (for example, voice of voice synthesis guidance such as "Emergency information notification system is operating") for notifying that the vehicle is operating normally is transmitted using the voice synthesis function of the vehicle emergency information notification device. An utterance is made from the vehicle speaker 110.
【００３１】Ｓ１６０では、上記音声固定メッセージ発
声中に車両緊急情報通報装置は、マイクロホン１０５か
らのアコースティックループバック入力信号をメモリ１
４０に保存し、音声固定メッセージ発声終了後に、保存
データの波形解析を開始し、Ｓ１７０でスピーカ１１０
から発せられた音声固定メッセージが、アコースティッ
クループバックによりマイクロホン１０５へ正常にルー
プバックされたか否かを判断する。In step S160, the vehicle emergency information notification device stores the acoustic loopback input signal from the microphone 105 into the memory 1 while the voice fixed message is being uttered.
40, and after the fixed voice message is uttered, the waveform analysis of the stored data is started.
It is determined whether or not the voice fixed message issued from is normally looped back to the microphone 105 by acoustic loopback.
【００３２】外来雑音等の混入による誤判定を避けるた
めに、もし、Ｓ１７０でループバックテスト結果が異常
と判断（Ｓ１７０：ＮＯ）された場合には、リトライを
繰り返し、リトライ回数がｎ２回以上か否かの判定をＳ
１８０で行なう。リトライ回数がｎ２回以上に達した時
（Ｓ１８０：ＹＥＳ）は、Ｓ１９０の場合と同様に、Ｓ
２００で車両緊急情報通報装置の音声送受話系の異常を
確定する。その後、Ｓ２１０でユーザあるいはセンター
に対しメンテナンス要求（表示、音声等）を出力し、異
常ダイアグを記憶する。In order to avoid an erroneous determination due to external noise or the like, if the loopback test result is determined to be abnormal in S170 (S170: NO), retries are repeated, and if the number of retries is n2 or more, S
Perform at 180. When the number of retries reaches n2 or more (S180: YES), as in S190, S
At 200, the abnormality of the voice transmission / reception system of the vehicle emergency information notification device is determined. After that, in S210, a maintenance request (display, voice, etc.) is output to the user or the center, and the abnormal diagnosis is stored.
【００３３】なお、前述のアコースティックループバッ
ク信号１６５として用いる音声ガイダンス信号や音声固
定メッセージは、ガイダンスやメッセージでない音声信
号であっても良い。The voice guidance signal and voice fixed message used as the acoustic loopback signal 165 may be voice signals other than guidance and messages.
【００３４】以上、本発明の実施形態を述べたが、本発
明に係わる携帯無線端末２２０は、携帯電話などの携帯
端末以外の他の無線通信機も用いることができる。Although the embodiment of the present invention has been described above, the portable wireless terminal 220 according to the present invention can use other wireless communication devices other than the portable terminal such as a portable telephone.
【００３５】また、本発明の車両緊急情報通報装置は、
車両装置以外のどのようなものに適用しても良い。In addition, the vehicle emergency information reporting device of the present invention
The present invention may be applied to any device other than the vehicle device.
【図１】本発明の第１の実施の形態における車両緊急情
報通報装置の構成を示すブロック図である。FIG. 1 is a block diagram illustrating a configuration of a vehicle emergency information notification device according to a first embodiment of the present invention.
【図２】本発明の第２の実施の形態における車両緊急情
報通報装置の構成を示すブロック図である。FIG. 2 is a block diagram illustrating a configuration of a vehicle emergency information notification device according to a second embodiment of the present invention.
【図３】本発明の車両緊急情報通報装置を異常診断する
ためのフローチャートである。FIG. 3 is a flowchart for diagnosing an abnormality of the vehicle emergency information notification device of the present invention.
１００・・・車両緊急情報通報装置、 １０５・・・マイクロホン １１０・・・スピーカ、 １１５・・・音声信号処理部 １２０・・・Ａ／Ｄ変換器 １２５・・・エコーキャンセラ、ノイズキャンセラ回路
部 １３０・・・波形解析部、 １３５・・・Ｄ／Ａ変換器 １４０・・・メモリ、 １４５・・・制御回路部 １５０・・・データ変換部、 １５５・・・無線部 １６０・・・アンテナ、 １６５・・・アコースティックリターン信号 １７０・・・エアバッグ制御装置、 １７５・・・キーシリンダ １８０・・・バッテリ ２１０・・・信号振幅値設定部、 ２２０・・・携帯無線端末装置100: Vehicle emergency information notification device, 105: Microphone 110: Speaker, 115: Audio signal processing unit 120: A / D converter 125: Echo canceller, noise canceller circuit unit 130 ..Waveform analysis unit 135 D / A converter 140 Memory 145 Control circuit unit 150 Data conversion unit 155 Radio unit 160 Antenna 165 ··· Acoustic return signal 170 ································································ 175
───────────────────────────────────────────────────── フロントページの続き (72)発明者 吉田 正人 愛知県刈谷市昭和町１丁目１番地 株式会 社デンソー内 (72)発明者 阿部田 健浩 愛知県刈谷市昭和町１丁目１番地 株式会 社デンソー内 (72)発明者 鳥居 進郎 愛知県刈谷市昭和町１丁目１番地 株式会 社デンソー内 Ｆターム(参考） 5C087 AA02 AA03 AA23 AA24 AA25 AA37 AA44 BB11 BB18 BB74 CC02 CC23 DD03 DD13 EE03 EE08 FF01 FF02 FF04 FF17 FF19 FF20 FF23 GG03 GG04 GG23 GG66 GG70 GG71 ──────────────────────────────────────────────────続 き Continuing from the front page (72) Inventor Masato Yoshida 1-1-1, Showa-cho, Kariya-shi, Aichi Prefecture Inside Denso Corporation (72) Inventor Takehiro Abeta 1-1-1, Showa-cho, Kariya-shi, Aichi Co., Ltd. Within DENSO (72) Inventor Shinro Torii 1-1-1 Showa-cho, Kariya-shi, Aichi F-term within DENSO Corporation (reference) 5C087 AA02 AA03 AA23 AA24 AA25 AA37 AA44 BB11 BB18 BB74 CC02 CC23 DD03 DD13 EE03 FF08FF FF17 FF19 FF20 FF23 GG03 GG04 GG23 GG66 GG70 GG71
Claims (5)
段（１１０）とを有し、車両の緊急事態を検出すると、
前記音声入力手段（１０５）からの音声をセンターに送
信させるとともに、前記音声出力手段（１１０）からセ
ンターより送信される音声を出力させる無線回線を接続
し、緊急通報を行なう車両緊急情報通報装置において、 前記音声入力手段（１０５）と前記音声出力手段（１１
０）間の音響結合を利用して、前記車両緊急情報通報装
置の起動時に発する所定音信号のループバック信号を検
出・解析する解析手段（１３０）により、前記車両緊急
情報通報手段の異常自己診断を行なうことを特徴とする
車両緊急情報通知装置。An audio input means (105) and an audio output means (110) are provided, and when an emergency situation of a vehicle is detected,
A vehicle emergency information reporting device that transmits a voice from the voice input means (105) to a center and connects a wireless line for outputting a voice transmitted from the center from the voice output means (110) to make an emergency call. The voice input means (105) and the voice output means (11)
An abnormal self-diagnosis of the vehicle emergency information reporting means is performed by an analysis means (130) for detecting and analyzing a loopback signal of a predetermined sound signal generated when the vehicle emergency information reporting device is activated by utilizing the acoustic coupling between 0 and 1). A vehicle emergency information notification device.
であれば、正の異常値を累積し、前記累積値が一定値
（Ｓ１８０）に達すると、前記センターに異常通知を行
なうことを特徴とする請求項１に記載の車両緊急情報通
知装置。2. If the result of the abnormal self-diagnosis is abnormal, a positive abnormal value is accumulated, and when the accumulated value reaches a certain value (S180), an abnormality is notified to the center. The vehicle emergency information notification device according to claim 1.
れば、正の異常値を累積し、前記累積値が一定値（Ｓ１
８０）に達すると、ユーザに対し異常通知を行なうこと
を特徴とする請求項１に記載の車両緊急通知装置。3. If the result of the abnormality diagnosis is abnormal, a positive abnormal value is accumulated, and the accumulated value is a constant value (S1
2. The vehicle emergency notification device according to claim 1, wherein when reaching 80), an abnormality notification is issued to the user.
れば、異常ダイアグを記憶（Ｓ２００）することを特徴
とする請求項２あるいは請求項３に記載の車両緊急情報
通知装置。4. The vehicle emergency information notification device according to claim 2, wherein an abnormality diagnosis is stored (S200) if a result of the abnormality diagnosis is abnormal.
段（１１０）とを有し、車両の緊急事態を検出すると、
前記音声入力手段（１０５）からの音声をセンターに送
信するとともに、前記音声出力手段（１１０）からセン
ターより送信される音声を出力させる無線回線を接続
し、緊急通報を行なう車両緊急情報通報装置の異常診断
方法であって、 前記車両緊急情報通知装置の起動時に、前記音声出力手
段から所定音を発生っさせる所定音発生ステップ（S１
５０）と、 前記前記所定音発生ステップにて発生された所定音信号
のループバック信号を前記音声入力手段にて検出し解析
することで、前記車両緊急情報通報手段の異常自己診断
を行なう診断ステップ（S１５０、S１６０）とを有する
ことを特徴とする車両緊急情報通知装置の異常診断方
法。5. It has a voice input means (105) and a voice output means (110), and when an emergency situation of a vehicle is detected,
A vehicle emergency information reporting device that transmits a voice from the voice input means (105) to the center and connects a wireless line for outputting a voice transmitted from the center from the voice output means (110) to make an emergency call. A predetermined sound generating step (S1) for generating a predetermined sound from the voice output means when the vehicle emergency information notification device is activated.
A diagnostic step of performing an abnormal self-diagnosis of the vehicle emergency information reporting means by detecting and analyzing the loopback signal of the predetermined sound signal generated in the predetermined sound generating step by the voice input means; (S150, S160), the abnormality diagnosis method for a vehicle emergency information notification device.
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|---|---|---|---|
| JP2001088576A JP3775233B2 (en) | 2001-03-26 | 2001-03-26 | Vehicle emergency information reporting device and abnormality diagnosis method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001088576A JP3775233B2 (en) | 2001-03-26 | 2001-03-26 | Vehicle emergency information reporting device and abnormality diagnosis method |
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| JP2002288772A true JP2002288772A (en) | 2002-10-04 |
| JP3775233B2 JP3775233B2 (en) | 2006-05-17 |
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| JP2001088576A Expired - Fee Related JP3775233B2 (en) | 2001-03-26 | 2001-03-26 | Vehicle emergency information reporting device and abnormality diagnosis method |
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