CN105652141B - Locomotive top climbing high pressure alarm self-diagnosable system - Google Patents
Locomotive top climbing high pressure alarm self-diagnosable system Download PDFInfo
- Publication number
- CN105652141B CN105652141B CN201610142535.1A CN201610142535A CN105652141B CN 105652141 B CN105652141 B CN 105652141B CN 201610142535 A CN201610142535 A CN 201610142535A CN 105652141 B CN105652141 B CN 105652141B
- Authority
- CN
- China
- Prior art keywords
- unit
- high pressure
- mcu units
- high level
- output terminal
- 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 - Fee Related
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
Abstract
The invention discloses a kind of locomotive top climbing high pressure alarm self-diagnosable system, including self diagnosis instruction push-button unit (1), MCU units (2), signal generation unit (3), protection filter unit (4), ratio enlargement unit (5) and comparator unit (6)；Self diagnosis instruction push-button unit (1) is connected with MCU units (2); signal generation unit (3) input terminal is connected with MCU units (2); output terminal connects the signal connecting line 1 of high pressure sensor, and signal connecting line 2, protection filter unit (4), ratio enlargement unit (5) and the comparator unit (6) of high pressure sensor are sequentially connected.The end of the signal connecting line 2 of high pressure sensor, the output terminal of protection filter unit (4), ratio enlargement unit (5) output terminal and comparator unit (6) output terminal is leaded is connected with MCU units (2).The present invention also provides a kind of locomotive top climbing high pressure alarm self-diagnosing method, the serviceable condition for testing locomotive top climbing high pressure alarm before locomotive top climbing for operating personnel provides a kind of reliable means.
Description
Technical field
The present invention relates to locomotive top climbing job safety ancillary equipment, more particularly to a kind of locomotive top climbing high pressure alarm autodiagnosis
Disconnected system.
Background technology
To ensure the personal safety of locomotive top climbing operating personnel, locomotive top climbing high pressure is generally provided near locomotive top climbing mouth
Alarm, to remind the electriferous state of operating personnel's roof high-voltage line.To ensure that high pressure alarm is in normal operating conditions, make
Industry personnel need to do high pressure alarm self diagnosis operation before climbing to the top of a mountain.When high pressure alarm breaks down, existing alarm for high voltage
Device can only provide trouble-free prompt message, which link that can not provide high pressure alarm system breaks down, to skill
Art personnel detection brings difficulty.Therefore, it is necessary to a kind of self-diagnosable system is designed, when high pressure alarm breaks down, not only
System is provided there are failure, and provides corresponding fault message, can so make the quick failure judgement point of technical staff, give in time
Go out maintenance decision, shorten maintenance time, improve work efficiency.
The content of the invention
The present invention provides a kind of technical solutions of locomotive top climbing high pressure alarm self-diagnosable system, solve existing locomotive
High pressure alarm self-diagnosable system of climbing to the top of a mountain cannot provide the deficiency of abundant fault message.
A kind of locomotive top climbing high pressure alarm self-diagnosable system, including self diagnosis instruction push-button unit (1), MCU units
(2), signal generation unit (3), protection filter unit (4), ratio enlargement unit (5) and comparator unit (6)；Self diagnosis instructs
Push-button unit (1) is connected with MCU units (2), and signal generation unit (3) input terminal is connected with MCU units (2), and signal generates single
The signal connecting line 1 of first (3) output terminal connection high pressure sensor, signal connecting line 2 and the protection filter unit of high pressure sensor
(4) input terminal connection, protection filter unit (4), ratio enlargement unit (5) and comparator unit (6) are sequentially connected, feature
It is, the end of the signal connecting line 2 of high pressure sensor, output terminal, the ratio enlargement unit (5) of protection filter unit (4) are defeated
Outlet and comparator unit (6) output terminal are all connected with MCU units (2) I/O ports P1 ~ P4 respectively through light every circuit.
The locomotive top climbing high pressure alarm self-diagnosable system, self diagnosis process use following steps：
S1：Self diagnosis instruction push-button unit (1) enters step S2 from diagnostic instruction；
S2：Whether the I/O ports P4 for judging MCU units (2) is high level, if high level, provides " system is normal " letter
Breath, enters step S6, if low level, enters step S3；
S3：Whether the I/O ports P3 for judging MCU units (2) is high level, if high level, provides " system failure " letter
Breath, and failure code F1 is provided, S6 is entered step, if low level, enters step S4；
S4：Whether the I/O ports P2 for judging MCU units (2) is high level, if high level, provides " system failure " letter
Breath, and failure code F2 is provided, S6 is entered step, if low level, enters step S5；
S5：Whether the I/O ports P1 for judging MCU units (2) is high level, if high level, provides " system failure " letter
Breath, and failure code F3 is provided, if low level, then " system failure " information is provided, and failure code F4 is provided, it enters step
S6；
S6：" self diagnosis completion " information is provided, exits self diagnosis process.
The beneficial effects of the invention are as follows by increasing monitoring point, while judging to have fault-free, can provide corresponding
Trouble point position information, shorten technical staff and make time of maintenance strategy, improve work efficiency.
Description of the drawings
Fig. 1 is component units block diagram of the present invention.
Fig. 2 is self diagnosis work step flow chart of the present invention.
Specific embodiment
Above-mentioned technical characteristic to make the present invention becomes apparent from, and specific embodiments of the present invention are carried out below in conjunction with the accompanying drawings
It is described in detail.
As shown in Figure 1, a kind of locomotive top climbing high pressure alarm self-diagnosable system, including self diagnosis instruction push-button unit (1),
MCU units (2), signal generation unit (3), protection filter unit (4), ratio enlargement unit (5) and comparator unit (6)；From
Diagnostic instruction push-button unit (1) is connected with MCU units (2), and signal generation unit (3) input terminal is connected with MCU units (2), letter
The signal connecting line 1 of number generation unit (3) output terminal connection high pressure sensor, signal connecting line 2 and the protection of high pressure sensor
The input terminal connection of filter unit (4), protection filter unit (4), ratio enlargement unit (5) and comparator unit (6) connect successively
It connects, which is characterized in that the end of the signal connecting line 2 of high pressure sensor, the output terminal of protection filter unit (4), ratio enlargement
Unit (5) output terminal and comparator unit (6) output terminal all connect with MCU units (2) I/O ports P1 ~ P4 respectively through light every circuit
It connects.
P1 ~ the P4 of I/O ports shown in Fig. 1 can be configured as general digital input terminal according to MCU processor models used
Mouthful.
The locomotive top climbing high pressure alarm self-diagnosable system, self diagnosis instruction push-button unit (1) are connected to MCU units
(2) universal input port.
The locomotive top climbing high pressure alarm self-diagnosable system, signal generation unit (3) are connected to MCU units (2)
General purpose outputs mouth, the signal that signal generation unit (3) generates are DC1 ~ 3V.
As shown in Fig. 2, the locomotive top climbing high pressure alarm self-diagnosable system, self diagnosis process uses following steps：
S1：Self diagnosis instruction push-button unit (1) enters step S2 from diagnostic instruction；
S2：Whether the I/O ports P4 for judging MCU units (2) is high level, if high level, provides " system is normal " letter
Breath, enters step S6, if low level, enters step S3；
S3：Whether the I/O ports P3 for judging MCU units (2) is high level, if high level, provides " system failure " letter
Breath, and failure code F1 is provided, S6 is entered step, if low level, enters step S4；
S4：Whether the I/O ports P2 for judging MCU units (2) is high level, if high level, provides " system failure " letter
Breath, and failure code F2 is provided, S6 is entered step, if low level, enters step S5；
S5：Whether the I/O ports P1 for judging MCU units (2) is high level, if high level, provides " system failure " letter
Breath, and failure code F3 is provided, if low level, then " system failure " information is provided, and failure code F4 is provided, it enters step
S6；
S6：" self diagnosis completion " information is provided, exits self diagnosis process.
The locomotive top climbing high pressure alarm self-diagnosable system, F1 ~ F4 points of the failure code that self diagnosis provides in the process
The failure not represented is meant that：Comparator unit failure, ratio enlargement cell failure, protection filter unit failure, high pressure sensing
Device lead disconnection fault.
It can be the mode that LCD display and voice are combined that various information are provided in Fig. 2 steps, go out in high pressure alarm
Prompting can be emphasized by acousto-optic under existing malfunction.
Certainly, it is limitation of the present invention that above-mentioned specific embodiment, which is not, therefore, every without departing from technical solution of the present invention
Content, the simple modification that essential scope according to the invention is made should also belong to the scope of protection of the present invention.
Claims (1)
1. a kind of locomotive top climbing high pressure alarm self-diagnosable system, including self diagnosis instruction push-button unit (1), MCU units (2),
Signal generation unit (3), protection filter unit (4), ratio enlargement unit (5) and comparator unit (6)；Self diagnosis instructs button
Unit (1) is connected with MCU units (2), and signal generation unit (3) input terminal is connected with MCU units (2), signal generation unit (3)
Output terminal connects the signal connecting line 1 of high pressure sensor, signal connecting line 2 and the protection filter unit (4) of high pressure sensor
Input terminal connects, and protection filter unit (4), ratio enlargement unit (5) and comparator unit (6) are sequentially connected, which is characterized in that
The end of the signal connecting line 2 of high pressure sensor, the output terminal of protection filter unit (4), ratio enlargement unit (5) output terminal and
Comparator unit (6) output terminal is all connected with MCU units (2) I/O ports P1-P4 respectively through light every circuit；
Wherein, self diagnosis process uses following steps：
S1：Self diagnosis instruction push-button unit (1) enters step S2 from diagnostic instruction；
S2：Whether the I/O ports P4 for judging MCU units (2) is high level, if high level, provides " system is normal " information, into
Enter step S6, if low level, enter step S3；
S3：Whether the I/O ports P3 for judging MCU units (2) is high level, if high level, provides " system failure " information, and
Failure code F1 is provided, enters step S6, if low level, enters step S4；
S4：Whether the I/O ports P2 for judging MCU units (2) is high level, if high level, provides " system failure " information, and
Failure code F2 is provided, enters step S6, if low level, enters step S5；
S5：Whether the I/O ports P1 for judging MCU units (2) is high level, if high level, provides " system failure " information, and
Failure code F3 is provided, if low level, then provides " system failure " information, and provides failure code F4, enters step S6；
S6：" self diagnosis completion " information is provided, exits self diagnosis process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610142535.1A CN105652141B (en) | 2016-03-14 | 2016-03-14 | Locomotive top climbing high pressure alarm self-diagnosable system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610142535.1A CN105652141B (en) | 2016-03-14 | 2016-03-14 | Locomotive top climbing high pressure alarm self-diagnosable system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105652141A CN105652141A (en) | 2016-06-08 |
| CN105652141B true CN105652141B (en) | 2018-06-05 |
Family
ID=56492427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610142535.1A Expired - Fee Related CN105652141B (en) | 2016-03-14 | 2016-03-14 | Locomotive top climbing high pressure alarm self-diagnosable system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105652141B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003084034A (en) * | 2001-09-14 | 2003-03-19 | Advantest Corp | Electric part test system and electric part test method |
| US8013613B2 (en) * | 2005-12-08 | 2011-09-06 | Grace Engineered Products, Inc. | Voltage indicator test mechanism |
| CN200996985Y (en) * | 2006-12-29 | 2007-12-26 | 上海通用汽车有限公司 | Warning-light loop fault diagnostic device of automobile |
| CN101100193B (en) * | 2007-04-06 | 2010-09-29 | 株洲联诚集团有限责任公司 | Locomotive high-voltage safety alarm |
| CN101806871B (en) * | 2010-04-02 | 2015-12-16 | 深圳市中庆微科技开发有限公司 | A kind of online test method |
| CN202389371U (en) * | 2011-12-16 | 2012-08-22 | 湖南工业大学 | High-tension alarming device of locomotive roof |
| CN102928732B (en) * | 2012-11-09 | 2016-02-24 | 三一汽车制造有限公司 | Line diagnosis instrument and line diagnosis method |
| CN204496594U (en) * | 2015-04-01 | 2015-07-22 | 湖南工业大学 | A kind of locomotive top climbing alarm for high voltage entrance guard device |
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2016
- 2016-03-14 CN CN201610142535.1A patent/CN105652141B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN105652141A (en) | 2016-06-08 |
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Granted publication date: 20180605 Termination date: 20190314 |