JPS6423666U - - Google Patents
Info
- Publication number
- JPS6423666U JPS6423666U JP11763687U JP11763687U JPS6423666U JP S6423666 U JPS6423666 U JP S6423666U JP 11763687 U JP11763687 U JP 11763687U JP 11763687 U JP11763687 U JP 11763687U JP S6423666 U JPS6423666 U JP S6423666U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- vehicle speed
- output
- speed
- detected
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 19
- 230000005856 abnormality Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
Landscapes
- Electric Propulsion And Braking For Vehicles (AREA)
Description
第1図はこの考案の一実施例の構成を示すブロ
ツク図、第2図は従来の速度検出装置の構成を示
すブロツク図である。
1a〜1d……速度発電機(回転検出部)、2
……滑走検知装置(速度検出部)、3……主幹制
御部、12,17……比較回路(補助速度検出手
段)、15……F/DC変換回路(補助速度検出
手段)、11,16……(補助速度検出手段)、
13,18,21,23……ダイオード(補助速
度検出手段)、Sa,Sb……信号(運転状態信
号)。
FIG. 1 is a block diagram showing the configuration of an embodiment of this invention, and FIG. 2 is a block diagram showing the configuration of a conventional speed detection device. 1a to 1d...Speed generator (rotation detection section), 2
... Skidding detection device (speed detection section), 3 ... Main control section, 12, 17 ... Comparison circuit (auxiliary speed detection means), 15 ... F/DC conversion circuit (auxiliary speed detection means), 11, 16 ...(auxiliary speed detection means),
13, 18, 21, 23...Diode (auxiliary speed detection means), Sa, Sb...Signal (operating state signal).
Claims (1)
転数に対応する信号を出力する回転検出部と、車
両が力行または制動、惰行運転のいずれであるか
を示す運転状態信号を出力する主幹制御部と、前
記運転状態信号が力行を示すときは前記各回転検
出部の出力信号のうち最も小さい信号に基づいて
車両速度を検出し、前記運転状態信号が制動、惰
行を示すときは前記各回転検出部の出力信号のう
ち最も大きい信号に基づいて車両速度を検出し、
このようにして検出した車両速度に対応する信号
を第1の車両速度信号として出力する速度検出部
と、前記第1の車両速度信号が出力されない場合
あるいは所定基準値を超えている場合は異常と判
定し、前記回転検出部のいずれか1つの出力信号
に基づいて第2の車両速度信号を作成し、この第
2の車両速度信号を前記第1の車両速度信号に代
えて出力する補助速度検出手段とを具備すること
を特徴とする速度検出装置。 (2) 前記補助速度検出手段は、異常検出時には
、前記第1の車両速度信号の出力経路をクランプ
または断とすることにより、前記第1の車両速度
信号の出力を停止することを特徴とする実用新案
登録請求の範囲第1項記載の速度検出装置。 (3) 前記速度検出部は、検出した車両速度と基
準値とを比較し、この比較結果に対応する第1の
制御信号を出力するように構成され、前記補助速
度検出手段は第2の車両速度信号と所定の基準値
とを比較し、この比較結果に対応する第2の制御
信号を発生するとともに、前記第1および第2の
制御信号の論理和をとつて出力することを特徴と
する実用新案登録請求の範囲第1項記載の速度検
出装置。[Claims for Utility Model Registration] (1) A rotation detection unit provided on each of a plurality of axles and outputting a signal corresponding to the number of rotations of the axle, and a rotation detection unit that outputs a signal corresponding to the number of rotations of the axle, and detects whether the vehicle is running with power, braking, or coasting. a master control unit that outputs a driving state signal indicating power running; and when the driving state signal indicates power running, detects the vehicle speed based on the smallest signal among the output signals of the rotation detecting parts, and when the driving state signal indicates braking. , when coasting is indicated, the vehicle speed is detected based on the largest signal among the output signals of the respective rotation detection parts;
A speed detection unit outputs a signal corresponding to the detected vehicle speed as a first vehicle speed signal, and if the first vehicle speed signal is not output or exceeds a predetermined reference value, an abnormality is detected. auxiliary speed detection for determining, creating a second vehicle speed signal based on the output signal of any one of the rotation detectors, and outputting the second vehicle speed signal in place of the first vehicle speed signal; A speed detection device comprising: means. (2) The auxiliary speed detection means is characterized in that when an abnormality is detected, the output path of the first vehicle speed signal is clamped or disconnected, thereby stopping the output of the first vehicle speed signal. A speed detection device according to claim 1 of the utility model registration claim. (3) The speed detection unit is configured to compare the detected vehicle speed with a reference value and output a first control signal corresponding to the comparison result, and the auxiliary speed detection unit is configured to compare the detected vehicle speed with a reference value and output a first control signal corresponding to the comparison result. The speed signal is compared with a predetermined reference value, a second control signal corresponding to the comparison result is generated, and the logical sum of the first and second control signals is calculated and output. A speed detection device according to claim 1 of the utility model registration claim.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11763687U JPS6423666U (en) | 1987-07-31 | 1987-07-31 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11763687U JPS6423666U (en) | 1987-07-31 | 1987-07-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6423666U true JPS6423666U (en) | 1989-02-08 |
Family
ID=31361263
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11763687U Pending JPS6423666U (en) | 1987-07-31 | 1987-07-31 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6423666U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010249406A (en) * | 2009-04-15 | 2010-11-04 | Ihi Corp | Ignition device and burner device |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57147061A (en) * | 1981-03-06 | 1982-09-10 | Toshiba Corp | Speed detecting device for vehicle |
JPS60154165A (en) * | 1984-01-24 | 1985-08-13 | Kubota Ltd | Detecting device of abnormal rotation |
JPS61193961A (en) * | 1985-02-25 | 1986-08-28 | Nippon Denso Co Ltd | Trouble detector for engine speed sensor |
-
1987
- 1987-07-31 JP JP11763687U patent/JPS6423666U/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57147061A (en) * | 1981-03-06 | 1982-09-10 | Toshiba Corp | Speed detecting device for vehicle |
JPS60154165A (en) * | 1984-01-24 | 1985-08-13 | Kubota Ltd | Detecting device of abnormal rotation |
JPS61193961A (en) * | 1985-02-25 | 1986-08-28 | Nippon Denso Co Ltd | Trouble detector for engine speed sensor |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010249406A (en) * | 2009-04-15 | 2010-11-04 | Ihi Corp | Ignition device and burner device |
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