CN105137271A - Locomotive electrical fault diagnosis device - Google Patents
Locomotive electrical fault diagnosis device Download PDFInfo
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- CN105137271A CN105137271A CN201510665706.4A CN201510665706A CN105137271A CN 105137271 A CN105137271 A CN 105137271A CN 201510665706 A CN201510665706 A CN 201510665706A CN 105137271 A CN105137271 A CN 105137271A
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- connection terminal
- locomotive
- circuit
- diagnostic device
- limiting resistance
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Abstract
The invention discloses a locomotive electrical fault diagnosis device comprising multiple independent unit circuits, and positive connecting terminals (6) and a negative connecting terminal (9) which are connected with each unit circuit. Each unit circuit comprises current-limiting resistors (5) and indicating lamps (3) which are connected in series with the current-limiting resistors (5). The diagnosis device is connected in parallel with a locomotive circuit via the positive connecting terminals (6) and the negative connecting terminal (9) According to the diagnosis device, problems that locomotive electrical fault points are not easy to search can be effectively solved.
Description
Technical field
The present invention relates to Locomotive Fault Diagnosis technical field, particularly relate to a kind of diagnostic device of locomotive electric cad system fault.
Background technology
May be there is mechanical fault or electric fault in locomotive, locomotive electric cad system fault mainly comprises each control apparatus and fault.Such as beeliner, according to statistics, electric fault accounts for nearly 60% of railway locomotive fault sum, and processing electric fault is in time the key ensureing that locomotive normally runs; Railway locomotive has the electric fault of more than 50%, is correctly processed can be got rid of by locomotive steward on duty, or locomotive is maintained move to the section of returning maintenance, avoids rescue, cost-saving and impact; The maximum feature of diesel locomotive electric fault is that phenomenon of the failure understands, but trouble spot is not directly perceived, and be difficult in the short time search, the processing time is longer, will cause larger economic loss and social influence.
In prior art, usual use multimeter or 110V try lamp and search locomotive electric cad system fault, but, due to the narrow space of Electric Appliance Cabinet, search procedure is loaded down with trivial details, searches a little more, locomotive electric apparatus, fault point is searched to be had blindly, cause being difficult in the short time find trouble spot, breakdown maintenance overlong time, affect the reliability and safety in locomotive operation; Further, appliance chamber control circuit voltage is 110V, exceedes safe voltage, and when maintainer carries out the operation of charged looking up the fault point in Electric Appliance Cabinet, trouble shooting time is longer, maloperation, the explosion of examination lamp may occur, cause the danger such as short circuit, electric shock.
In sum, how effectively solving the locomotive electric cad system trouble spot not problem such as easy-to-search, is current those skilled in the art's urgent problem.
Summary of the invention
The object of this invention is to provide a kind of diagnostic device of locomotive electric cad system fault, efficiently solve the locomotive electric cad system trouble spot not problem such as easy-to-search.
For solving the problems of the technologies described above, the invention provides following technical scheme:
A kind of diagnostic device of locomotive electric cad system fault, comprise multiple independently element circuit, and the positive connection terminal to be connected with each described element circuit and negative connection terminal, the pilot lamp that each described element circuit comprises current-limiting resistance and connects with described current-limiting resistance, described diagnostic device is connected in parallel by positive connection terminal and negative connection terminal and locomotive circuit.
Preferably, described positive connection terminal is connected with the positive terminal of the electricity piece of locomotive, and described negative connection terminal is connected with the negative terminal of locomotive.
Preferably, described negative connection terminal comprises an always negative connection terminal, and described multiple element circuit is all connected with described total negative connection terminal.
Preferably, the quantity of described element circuit is 24, comprises start-up circuit, mule carriage circuit and protection circuit, and the described positive connection terminal corresponding with each circuit is separated by connecting terminal block.
Preferably, also comprise the indication panel being arranged at described diagnostic device outside, described pilot lamp is installed on the front panel of described indication panel, described current-limiting resistance is installed on the inside of described indication panel, and described positive connection terminal and described negative connection terminal are installed on the backplate of described indication panel.
Preferably, described current-limiting resistance is vertically arranged, and described current-limiting resistance is fixed by insulcrete.
The diagnostic device of locomotive electric cad system fault provided by the present invention, for searching locomotive electric cad system fault, distinguish.Diagnostic device comprises element circuit, positive connection terminal and negative connection terminal; the quantity of element circuit is multiple; multiple element circuit is separate; each element circuit is all connected with positive connection terminal and negative connection terminal; each element circuit comprises current-limiting resistance and pilot lamp; pilot lamp is connected with current-limiting resistance, and current-limiting resistance can Limited Current, protected location circuit.The quantity of current-limiting resistance can be 1, also can be multiple, and the quantity of pilot lamp can be 1, also can be multiple, prevents the pilot lamp to break down generation metrical error.The resistance of current-limiting resistance and the magnitude of voltage of pilot lamp unrestricted, can select voluntarily according to the difference of concrete service condition, be such as 110V for locomotive voltage, current-limiting resistance can be 10K Ω, and the magnitude of voltage of pilot lamp is 24V.Diagnostic device is connected in parallel by positive connection terminal and negative connection terminal and locomotive circuit.Each element circuit adopts parallel way access locomotive to open in dynamo-electric road, mule carriage circuit and protection circuit; can be used alone; also accessible site uses, and in order to show the duty of locomotive corresponding electric appliance, circuit, can be used for locomotive operation, electrical action test and face admittedly repairing in work.When a certain electrical equipment, fault, on diagnostic device, corresponding pilot lamp does not work or goes out, and realizes distinguishing trouble spot intuitively, can avoid the danger such as maloperation, the explosion of examination lamp, electric short circuit, personnel's electric shock occur, easy to use, and stable performance is safe and reliable.
Diagnostic device intuitively can show the duty opening dynamo-electric road, mule carriage circuit and protection circuit; detect without the need to removing appliance chamber specially and confirm; electrical test personnel can judge test findings rapidly, accurately; save test period; it is shorter that the time is searched in trouble spot, achieves distinguishing of electric exceptional fault point in locomotive operation or catastrophic discontinuityfailure point.Operating personnel can get rid of electric fault in safety and precise ground, has saved fault handling time, ensure that the safe and punctual operation of locomotive, improve the security of troubleshooting operation, reduce labour intensity, ensure that locomotive safety running, improve locomotive quality.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below.Apparently, the accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The front panel schematic diagram of the diagnostic device of the locomotive electric cad system fault that Fig. 1 provides for embodiment a kind of in the present invention;
Fig. 2 is the schematic internal view of Fig. 1;
Fig. 3 is the backplate schematic diagram of Fig. 1;
Fig. 4 is the structural representation of element circuit in Fig. 1.
In accompanying drawing, mark is as follows:
1-nut, 2-front panel, 3-pilot lamp, 4-insulcrete, 5-current-limiting resistance, the positive connection terminal of 6-, 7-backplate, 8-connecting terminal block, 9-bear connection terminal.
Embodiment
Core of the present invention is to provide a kind of diagnostic device of locomotive electric cad system fault, efficiently solves the locomotive electric cad system trouble spot not problem such as easy-to-search.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Please refer to Fig. 1 to Fig. 4, the front panel schematic diagram of the diagnostic device of the locomotive electric cad system fault that Fig. 1 provides for embodiment a kind of in the present invention; Fig. 2 is the schematic internal view of Fig. 1; Fig. 3 is the backplate schematic diagram of Fig. 1; Fig. 4 is the structural representation of element circuit in Fig. 1.
In a kind of embodiment, the diagnostic device of locomotive electric cad system fault provided by the present invention, for searching locomotive electric cad system fault, distinguish.Diagnostic device comprises element circuit, positive connection terminal 6 and negative connection terminal 9; the quantity of element circuit is multiple; multiple element circuit is separate; each element circuit is all connected with positive connection terminal 6 and negative connection terminal 9; each element circuit comprises current-limiting resistance 5 and pilot lamp 3; pilot lamp 3 is connected with current-limiting resistance 5, and current-limiting resistance 5 can Limited Current, protected location circuit.The quantity of current-limiting resistance 5 can be 1, also can be multiple, and the quantity of pilot lamp 3 can be 1, also can be multiple, prevents the pilot lamp 3 to break down generation metrical error.The resistance of current-limiting resistance 5 and the magnitude of voltage of pilot lamp 3 unrestricted, can select voluntarily according to the difference of concrete service condition, be such as 110V for locomotive voltage, current-limiting resistance 5 can be 10K Ω, and the magnitude of voltage of pilot lamp 3 is 24V.Diagnostic device is connected in parallel with locomotive circuit by positive connection terminal 6 and negative connection terminal 9.Each element circuit adopts parallel way access locomotive to open in dynamo-electric road, mule carriage circuit and protection circuit; can be used alone; also accessible site uses, and in order to show the duty of locomotive corresponding electric appliance, circuit, can be used for locomotive operation, electrical action test and face admittedly repairing in work.When a certain electrical equipment, fault, on diagnostic device, corresponding pilot lamp 3 does not work or goes out, and realizes distinguishing trouble spot intuitively, can avoid the danger such as maloperation, the explosion of examination lamp, electric short circuit, personnel's electric shock occur, easy to use, and stable performance is safe and reliable.
Diagnostic device intuitively can show the duty opening dynamo-electric road, mule carriage circuit and protection circuit; detect without the need to removing appliance chamber specially and confirm; electrical test personnel can judge test findings rapidly, accurately; save test period; it is shorter that the time is searched in trouble spot, achieves distinguishing of electric exceptional fault point in locomotive operation or catastrophic discontinuityfailure point.Operating personnel can get rid of electric fault in safety and precise ground, has saved fault handling time, ensure that the safe and punctual operation of locomotive, improve the security of troubleshooting operation, reduce labour intensity, ensure that locomotive safety running, improve locomotive quality.
On the basis of above-mentioned embodiment, those skilled in the art can according to the difference of concrete occasion, carry out some changes to diagnostic device, positive connection terminal 6 is connected with the positive terminal of the electricity piece of locomotive, and negative connection terminal 9 is connected with the negative terminal of locomotive.Specifically, diagnostic device is utilized to search the method for electric fault in electrical action test, before electrical action test, diagnostic device is placed on locomotive cab, lamp 3 identifies as indicated, connect negative connection terminal 9 and the negative terminal of appliance chamber with a wire, be specifically as follows 8 row's negative terminals, then connect binding post between each positive connection terminal 6 and corresponding electric appliance respectively.Testing crew is tested according to locomotive electric cad system action test program, the connecting and disconnecting of the circuit that pilot lamp 3 will show in process of the test intuitively, helping testing crew to judge test findings rapidly, exactly, confirming without the need to removing appliance chamber specially.Diagnostic device is utilized to search the method for electric fault in locomotive operation, before locomotive operation, before diagnostic device nut 1 is fixed on locomotive cab operator's console, lamp 3 identifies as indicated, connect the negative terminal of negative connection terminal 9 and appliance chamber with a wire, then connect binding post between each positive connection terminal 6 and corresponding electric appliance respectively.This diagnostic device can be applied by ancillary method temporarily, also can install application for a long time, realizes detecting in real time, during with interim ancillary method application, for distinguishing the exceptional fault point of electric discontinuity; During to install application for a long time, distinguish locomotive burst electric fault point for crew member, process in time or accurately report.Diagnostic device is utilized to search the method for electric fault in maintenance job, in locomotive maintenance work, each element circuit is used alone, diagnostic device is placed between locomotive electric apparatus, lamp 3 identifies as indicated, connect negative connection terminal 9 and the negative terminal of appliance chamber with wire, connects positive connection terminal 6 and pre-detection electrical equipment, circuit with other one, for testing electrical equipment, the conducting of circuit and fault point diagnosing.
Illustrate to search the machine fault of opening, according to locomotive electric cad system wiring diagram, open dynamo-electric road and comprise the appliance circuit such as oil pump contactor QBC, fuel pump contactor RBC, diesel engine electromagnetic chain DLS, QF motor, auxiliary power generation excitation contactor FLC, QF generator.Before using, connect negative connection terminal 9 and the negative terminal of locomotive with a wire, connect each positive connection terminal 6 and each corresponding binding post respectively with wire.When closed oil pump contactless contactor, oil pump contactor obtains electric, and oil pump starts, and corresponding pilot lamp 3 is bright; If oil pump does not start, pilot lamp 3 is bright, be then oil pump contactor QBC fault; If oil pump does not start, pilot lamp 3 does not work, then get rid of oil pump contactor QBC fault, should check line broken circuit before this binding post.In like manner, can check all the other electric positions, trouble spot distinguishes that method is simple and clear rapidly.
Above-mentioned diagnostic device is only a kind of preferred version, specifically be not limited thereto, pointed adjustment can be made according to actual needs on this basis, thus obtain different embodiments, negative connection terminal 9 comprises an always negative connection terminal 9, and multiple element circuit is all connected with total negative connection terminal 9, and multiple element circuit connects identical total negative connection terminal 9 jointly, simplify circuit, the negative terminal connecting locomotive is simple and convenient.
Obviously, under the guidance of this thought, those skilled in the art can carry out some changes according to the difference of concrete occasion to the element circuit in above-mentioned embodiment, and the quantity of element circuit is 24, the quantity of element circuit is unrestricted, can determine according to practical situations.According to the difference checking the state of locomotive and the electricity piece of detection; element circuit is divided into start-up circuit, mule carriage circuit and protection circuit; variant circuit can the fault at correspondence proving locomotive corresponding state and position, and pointed, testing result is safety and precise more.The positive connection terminal 6 corresponding with each circuit can be separated by connecting terminal block 8, more in good order, is easy to connect.
It needs to be noted; diagnostic device provided by the present invention should not be restricted to this kind of situation, also comprises the indication panel being arranged at diagnostic device outside, and indication panel comprises front panel 2 and backplate 7; both are fixed by nut 1, and indication panel can protect diagnostic device.Pilot lamp 3 is installed on the front panel 2 of indication panel, easy for installation, is convenient to the indicator signal of viewing lamp 3.Current-limiting resistance 5 is installed on the inside of indication panel, prevents current-limiting resistance 5 to be damaged, and ensures the safety of testing staff, safe and reliable.Positive connection terminal 6 and negative connection terminal 9 are installed on the backplate 7 of indication panel, are convenient to fixing positive connection terminal 6 and negative connection terminal 9.
In order to optimize technique scheme further, current-limiting resistance 5 is vertically arranged, and arrangement in order, saves space, and current-limiting resistance 5 is fixed by insulcrete 4, and fixation, can also isolate other current-limiting resistance 5, reliably safer.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. the diagnostic device of a locomotive electric cad system fault, it is characterized in that, comprise multiple independently element circuit, and the positive connection terminal (6) to be connected with each described element circuit and negative connection terminal (9), the pilot lamp (3) that each described element circuit comprises current-limiting resistance (5) and connects with described current-limiting resistance (5), described diagnostic device is connected in parallel with locomotive circuit by positive connection terminal (6) and negative connection terminal (9).
2. diagnostic device according to claim 1, is characterized in that, described positive connection terminal (6) is connected with the positive terminal of the electricity piece of locomotive, and described negative connection terminal (9) is connected with the negative terminal of locomotive.
3. diagnostic device according to claim 2, is characterized in that, described negative connection terminal (9) comprises an always negative connection terminal (9), and described multiple element circuit is all connected with described total negative connection terminal (9).
4. diagnostic device according to claim 3; it is characterized in that; the quantity of described element circuit is 24, comprises start-up circuit, mule carriage circuit and protection circuit, and the described positive connection terminal (6) corresponding with each circuit is separated by connecting terminal block (8).
5. the diagnostic device according to any one of claim 1-4, it is characterized in that, also comprise the indication panel being arranged at described diagnostic device outside, described pilot lamp (3) is installed on the front panel (2) of described indication panel, described current-limiting resistance (5) is installed on the inside of described indication panel, and described positive connection terminal (6) and described negative connection terminal (9) are installed on the backplate (7) of described indication panel.
6. diagnostic device according to claim 5, is characterized in that, described current-limiting resistance (5) is vertically arranged, and described current-limiting resistance (5) is fixed by insulcrete (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510665706.4A CN105137271A (en) | 2015-10-15 | 2015-10-15 | Locomotive electrical fault diagnosis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510665706.4A CN105137271A (en) | 2015-10-15 | 2015-10-15 | Locomotive electrical fault diagnosis device |
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| Publication Number | Publication Date |
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| CN105137271A true CN105137271A (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510665706.4A Pending CN105137271A (en) | 2015-10-15 | 2015-10-15 | Locomotive electrical fault diagnosis device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018232761A1 (en) * | 2017-06-23 | 2018-12-27 | 深圳市爱夫卡科技股份有限公司 | Diesel engine diagnostic connector |
Citations (5)
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| CN2169141Y (en) * | 1993-09-15 | 1994-06-15 | 梁爱枝 | Automatic alarm for electric circuit faults of vehicle |
| EP1153307A1 (en) * | 1998-12-24 | 2001-11-14 | Yuiltech Co., Ltd. | Apparatus for diagnosing and indicating operational failure in automobiles |
| CN2731463Y (en) * | 2004-10-27 | 2005-10-05 | 北京鸿都伟业科技发展有限公司 | Intelligent electricity leakage alarm for train |
| CN2874519Y (en) * | 2006-03-17 | 2007-02-28 | 比亚迪股份有限公司 | Circuit fault detector |
| CN201707216U (en) * | 2010-06-10 | 2011-01-12 | 纪文武 | Motor vehicle fault detection device |
-
2015
- 2015-10-15 CN CN201510665706.4A patent/CN105137271A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2169141Y (en) * | 1993-09-15 | 1994-06-15 | 梁爱枝 | Automatic alarm for electric circuit faults of vehicle |
| EP1153307A1 (en) * | 1998-12-24 | 2001-11-14 | Yuiltech Co., Ltd. | Apparatus for diagnosing and indicating operational failure in automobiles |
| CN2731463Y (en) * | 2004-10-27 | 2005-10-05 | 北京鸿都伟业科技发展有限公司 | Intelligent electricity leakage alarm for train |
| CN2874519Y (en) * | 2006-03-17 | 2007-02-28 | 比亚迪股份有限公司 | Circuit fault detector |
| CN201707216U (en) * | 2010-06-10 | 2011-01-12 | 纪文武 | Motor vehicle fault detection device |
Non-Patent Citations (1)
| Title |
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| 朱建昌: "《内燃机车电传动》", 30 June 2009 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018232761A1 (en) * | 2017-06-23 | 2018-12-27 | 深圳市爱夫卡科技股份有限公司 | Diesel engine diagnostic connector |
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Application publication date: 20151209 |
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