CN105652141A - Self-diagnosis system for locomotive top ascending high-voltage alarm - Google Patents
Self-diagnosis system for locomotive top ascending high-voltage alarm Download PDFInfo
- Publication number
- CN105652141A CN105652141A CN201610142535.1A CN201610142535A CN105652141A CN 105652141 A CN105652141 A CN 105652141A CN 201610142535 A CN201610142535 A CN 201610142535A CN 105652141 A CN105652141 A CN 105652141A
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- China
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- unit
- self
- mcu
- high level
- high pressure
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- 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 self-diagnosis system for a locomotive top ascending high-voltage alarm. The self-diagnosis system comprises a self-diagnosis instruction key unit (1), an MCU unit (2), a signal generating unit (3), a protective filtering unit (4), a scaling-up unit (5) and a comparator unit (6). The self-diagnosis instruction key unit (1) and the MCU unit (2) are connected, the input end of the signal generating unit (3) is connected with the MCU unit (2), the output end of the signal generating unit (3) is connected with a signal connecting line 1 of a high-voltage sensor, and a signal connecting line 2 of the high-voltage sensor, the protective filtering unit (4), the scaling-up unit (5) and the comparator unit (6) are sequentially connected. The tail end of the signal connecting line 2 of the high-voltage sensor, the output end of the protective filtering unit (4), the output end of the scaling-up unit (5) and the output end of the comparator unit (6) are each provided with a lead connected with the MCU unit (2). The invention further provides a self-diagnosis method for the locomotive top ascending high-voltage alarm, and a reliable means is provided for testing the sound condition of the locomotive top ascending high-voltage alarm for an operator before locomotive top ascending.
Description
Technical field
The present invention relates to locomotive top climbing job safety auxiliary equipment, particularly a kind of locomotive top climbing high pressure alarm self-diagnosable system.
Background technology
For ensureing locomotive top climbing operating personnel's personal safety, near locomotive top climbing mouth, generally have locomotive top climbing high pressure alarm, to remind the electriferous state of operating personnel's roof high-voltage line. For guaranteeing that high pressure alarm is in normal operating conditions, before climbing to the top of a mountain, operating personnel needs high pressure alarm to do self diagnosis operation. In the time that high pressure alarm breaks down, existing high pressure alarm can only provide trouble-free information, and which link that can not provide high pressure alarm system breaks down, and detects and brings difficulty to technical staff. Therefore, be necessary to design a kind of self-diagnosable system, in the time that high pressure alarm breaks down, there is fault in the system that not only provides, and provides corresponding fault message, can make so the quick failure judgement point of technical staff, provide in time maintenance decision, shorten maintenance time, increase work efficiency.
Summary of the invention
The invention provides a kind of technical scheme of locomotive top climbing high pressure alarm self-diagnosable system, solved existing locomotive top climbing high pressure alarm self-diagnosable system and can not provide the deficiency of abundant fault message.
A kind of locomotive top climbing high pressure alarm self-diagnosable system, comprises self diagnosis instruction push-button unit (1), MCU unit (2), signal generation unit (3), protection filter unit (4), ratio amplifying unit (5) and comparator unit (6), self diagnosis instruction push-button unit (1) is connected with MCU unit (2), signal generation unit (3) input is connected with MCU unit (2), signal generation unit (3) output connects the signal connecting line 1 of high pressure sensor, the signal connecting line 2 of high pressure sensor is connected with the input of protection filter unit (4), protection filter unit (4), ratio amplifying unit (5) is connected successively with comparator unit (6), it is characterized in that, the end of the signal connecting line 2 of high pressure sensor, the output of protection filter unit (4), ratio amplifying unit (5) output is all connected with MCU unit (2) I/O port P1 ~ P4 respectively every circuit through light with comparator unit (6) output.
Described locomotive top climbing high pressure alarm self-diagnosable system, its self diagnosis process adopts following steps:
S1: self diagnosis instruction push-button unit (1), from diagnostic instruction, enters step S2;
S2: whether the I/O port P4 that judges MCU unit (2) is high level, if high level provides " system is normal " information, enters step S6, if low level enters step S3;
S3: whether the I/O port P3 that judges MCU unit (2) is high level, if high level provides " system failure " information, and provides failure code F1, enters step S6, if low level enters step S4;
S4: whether the I/O port P2 that judges MCU unit (2) is high level, if high level provides " system failure " information, and provides failure code F2,, enter step S6, if low level enters step S5;
S5: whether the I/O port P1 that judges MCU unit (2) is high level, if high level provides " system failure " information, and provide failure code F3, if low level provides " system failure " information, and provide failure code F4, enter step S6;
S6: provide " self diagnosis completes " information, exit self diagnosis process.
The invention has the beneficial effects as follows by increasing monitoring point, judging the trouble-free while, can provide position, corresponding trouble point information, shortening technical staff makes the time of maintenance strategy, increases work efficiency.
Brief description of the drawings
Fig. 1 is component units block diagram of the present invention.
Fig. 2 is self diagnosis job step flow chart of the present invention.
Detailed description of the invention
For making above-mentioned technical characterictic of the present invention more clear, below in conjunction with accompanying drawing, specific embodiments of the invention are elaborated.
As shown in Figure 1, a kind of locomotive top climbing high pressure alarm self-diagnosable system, comprises self diagnosis instruction push-button unit (1), MCU unit (2), signal generation unit (3), protection filter unit (4), ratio amplifying unit (5) and comparator unit (6), self diagnosis instruction push-button unit (1) is connected with MCU unit (2), signal generation unit (3) input is connected with MCU unit (2), signal generation unit (3) output connects the signal connecting line 1 of high pressure sensor, the signal connecting line 2 of high pressure sensor is connected with the input of protection filter unit (4), protection filter unit (4), ratio amplifying unit (5) is connected successively with comparator unit (6), it is characterized in that, the end of the signal connecting line 2 of high pressure sensor, the output of protection filter unit (4), ratio amplifying unit (5) output is all connected with MCU unit (2) I/O port P1 ~ P4 respectively every circuit through light with comparator unit (6) output.
The port of I/O shown in Fig. 1 P1 ~ P4, according to MCU processor model used, can be configured as general digital input port.
Described locomotive top climbing high pressure alarm self-diagnosable system, its self diagnosis instruction push-button unit (1) is connected to the universal input port of MCU unit (2).
Described locomotive top climbing high pressure alarm self-diagnosable system, its signal generation unit (3) is connected to the general output port of MCU unit (2), and the signal that signal generation unit (3) produces is DC1 ~ 3V.
As shown in Figure 2, described locomotive top climbing high pressure alarm self-diagnosable system, its self diagnosis process adopts following steps:
S1: self diagnosis instruction push-button unit (1), from diagnostic instruction, enters step S2;
S2: whether the I/O port P4 that judges MCU unit (2) is high level, if high level provides " system is normal " information, enters step S6, if low level enters step S3;
S3: whether the I/O port P3 that judges MCU unit (2) is high level, if high level provides " system failure " information, and provides failure code F1, enters step S6, if low level enters step S4;
S4: whether the I/O port P2 that judges MCU unit (2) is high level, if high level provides " system failure " information, and provides failure code F2,, enter step S6, if low level enters step S5;
S5: whether the I/O port P1 that judges MCU unit (2) is high level, if high level provides " system failure " information, and provide failure code F3, if low level provides " system failure " information, and provide failure code F4, enter step S6;
S6: provide " self diagnosis completes " information, exit self diagnosis process.
Described locomotive top climbing high pressure alarm self-diagnosable system, the fault implication that the failure code F1 ~ F4 providing in its self diagnosis process represents is respectively: comparator unit fault, ratio amplifying unit fault, protection filter unit fault, high pressure sensor lead-in wire disconnection fault.
In Fig. 2 step, providing various information can be the mode that LCD display and voice combine, and under high pressure alarm breaks down state, can emphasize prompting by acousto-optic.
Certainly, above-mentioned specific embodiment is not limitation of the present invention, therefore, every content that does not depart from technical solution of the present invention, the simple modification of doing according to essential scope of the present invention, also should belong to protection scope of the present invention.
Claims (2)
1. a locomotive top climbing high pressure alarm self-diagnosable system, comprises self diagnosis instruction push-button unit (1), MCU unit (2), signal generation unit (3), protection filter unit (4), ratio amplifying unit (5) and comparator unit (6), self diagnosis instruction push-button unit (1) is connected with MCU unit (2), signal generation unit (3) input is connected with MCU unit (2), signal generation unit (3) output connects the signal connecting line 1 of high pressure sensor, the signal connecting line 2 of high pressure sensor is connected with the input of protection filter unit (4), protection filter unit (4), ratio amplifying unit (5) is connected successively with comparator unit (6), it is characterized in that, the end of the signal connecting line 2 of high pressure sensor, the output of protection filter unit (4), ratio amplifying unit (5) output is all connected with MCU unit (2) I/O port P1 ~ P4 respectively every circuit through light with comparator unit (6) output.
2. a kind of locomotive top climbing high pressure alarm self-diagnosable system according to claim 1, is characterized in that, self diagnosis process adopts following steps:
S1: self diagnosis instruction push-button unit (1), from diagnostic instruction, enters step S2;
S2: whether the I/O port P4 that judges MCU unit (2) is high level, if high level provides " system is normal " information, enters step S6, if low level enters step S3;
S3: whether the I/O port P3 that judges MCU unit (2) is high level, if high level provides " system failure " information, and provides failure code F1, enters step S6, if low level enters step S4;
S4: whether the I/O port P2 that judges MCU unit (2) is high level, if high level provides " system failure " information, and provides failure code F2,, enter step S6, if low level enters step S5;
S5: whether the I/O port P1 that judges MCU unit (2) is high level, if high level provides " system failure " information, and provide failure code F3, if low level provides " system failure " information, and provide failure code F4, enter step S6;
S6: provide " self diagnosis completes " information, exit 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 |
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| CN105652141A true CN105652141A (en) | 2016-06-08 |
| CN105652141B CN105652141B (en) | 2018-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610142535.1A Expired - Fee Related CN105652141B (en) | 2016-03-14 | 2016-03-14 | Locomotive top climbing high pressure alarm self-diagnosable system |
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Citations (8)
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| WO2003025612A1 (en) * | 2001-09-14 | 2003-03-27 | Advantest Corporation | Electric component test system and electric component test method |
| 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 |
| CN101100193A (en) * | 2007-04-06 | 2008-01-09 | 株洲联诚集团有限责任公司 | Locomotive high-voltage safety alarm |
| CN101806871A (en) * | 2010-04-02 | 2010-08-18 | 北京巨数数字技术开发有限公司 | On-line detection method |
| US8013613B2 (en) * | 2005-12-08 | 2011-09-06 | Grace Engineered Products, Inc. | Voltage indicator test mechanism |
| CN202389371U (en) * | 2011-12-16 | 2012-08-22 | 湖南工业大学 | High-tension alarming device of locomotive roof |
| CN102928732A (en) * | 2012-11-09 | 2013-02-13 | 三一重工股份有限公司 | Line diagnostic apparatus and line diagnostic 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 |
-
2016
- 2016-03-14 CN CN201610142535.1A patent/CN105652141B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003025612A1 (en) * | 2001-09-14 | 2003-03-27 | Advantest Corporation | Electric component test system and electric component 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 |
| CN101100193A (en) * | 2007-04-06 | 2008-01-09 | 株洲联诚集团有限责任公司 | Locomotive high-voltage safety alarm |
| CN101806871A (en) * | 2010-04-02 | 2010-08-18 | 北京巨数数字技术开发有限公司 | On-line detection method |
| CN202389371U (en) * | 2011-12-16 | 2012-08-22 | 湖南工业大学 | High-tension alarming device of locomotive roof |
| CN102928732A (en) * | 2012-11-09 | 2013-02-13 | 三一重工股份有限公司 | Line diagnostic apparatus and line diagnostic 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 |
Non-Patent Citations (1)
| Title |
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| 张宝 等: "机车高压安全报警器的设计与实现", 《湖南工业大学学报》 * |
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Granted publication date: 20180605 Termination date: 20190314 |