CN102161181B - Mutual-induction type automatic online reliability diagnosing and repairing system for long-distance multi-node train line and use method thereof - Google Patents
Mutual-induction type automatic online reliability diagnosing and repairing system for long-distance multi-node train line and use method thereof Download PDFInfo
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- CN102161181B CN102161181B CN 201110027921 CN201110027921A CN102161181B CN 102161181 B CN102161181 B CN 102161181B CN 201110027921 CN201110027921 CN 201110027921 CN 201110027921 A CN201110027921 A CN 201110027921A CN 102161181 B CN102161181 B CN 102161181B
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Abstract
The invention discloses a mutual-induction type automatic online reliability diagnosing and repairing system for a long-distance multi-node train line and a use method thereof. The system comprises a master machine and a slave machine, wherein the master machine comprises an electric grinding part which is connected with a detected line pair in parallel; the slave machine comprises a slave end voltage detecting part and a slave end auxiliary control part; and the slave end voltage detecting part is connected with the detected line pair in parallel and is connected with the electric grinding part and the slave end auxiliary control part by trigger control lines. Compared with the prior art, the system disclosed by the invention has the following benefits: 1, real-time online detection and automatic grinding of the circuit reliability of a long-distance multi-node train line are realized, influence of high-frequency detection and circuit interruption operation on the usability of the circuit is avoided, and the overhauling and disassembled maintenance of equipment parts are avoided, therefore, the repairing efficiency and the reliability are greatly improved and the loss rate and cost are reduced; and 2, the whole structure is simple and compact and the operation is convenient and easy.
Description
Technical field
The present invention relates to a kind of train-line reliability inline diagnosis repair system and using method thereof, belong to the Electric automation technology field, refer in particular to long distance multi-node train-line reliability mutual inductance type automatic on-line diagnosis system and the using method thereof of the conductive contact surfaces of contacts such as relating to electric switch, relay and electrical connector.
Background technology
In the electric automatization field, various switching regulator element is extensively used, and the reliability of many Key Circuit that run without interruption is online played important impact.As everyone knows, train generally is comprised of the more piece compartment, partial logic control signal wire and signal controlling loop wire need to run through the permutation car, therefore need to arrange a plurality of subsection connectors on the train-line and be convenient to that train is disassembled and line upkeep, the part circuit needs also to arrange that more control contact is to satisfy logic control.In running, the conduction reliability of these connectors and contact directly affects the reliability of these train-line control loops.At present, mainly take to make regular check on the preventive maintenance measure of maintenance for the key loop of this type, but effect is not remarkable, and need to frequently carries out the shutdown of long period and open and inspect, reduced the availability of equipment; And use inline diagnosis and the automatic repair system of single contact and connector, the apparatus arrangement amount can't satisfy too greatly instructions for use; On the other hand, general conductance detection technique and electric grinding need to be interrupted the right function of tested train-line and just can detect and grind, and the use of train-line is existed certain interference and restriction.
In use, the inefficacy of switch element contact face and connector or hydraulic performance decline often are because oxidation, the carbon distribution and stained of conductive contact surfaces.In the prior art, traditional restorative procedure is to decompose after switch element is disassembled, and takes out the contact pin of contact or connector, and conductive contact surfaces is carried out the artificial mechanism polishing, then can only scrap replacing for the hermetic switchgear of part.This traditional polishing process need to decompose and again assembling switch element, complicated operation, and labor intensive, and the fit clearance after assembling again is difficult to guarantee to return to original optimum state; On the other hand, polishing also has extra loss to the contact copper face, and contact is only done once and just need to be scrapped to twice polishing reparation usually; Simultaneously, the contact polishing is also higher to operating personnel's specification requirement.
Summary of the invention
The object of the invention is to overcome shortcoming of the prior art with not enough, provide a kind of simple and compact for structure, easy to operate easily, need not to dismantle resolution element, in real time automatic on-line detect repair, efficient height and cost are low long distance multi-node train-line reliability mutual inductance type automatic on-line diagnosis system.
Another object of the present invention is to provide the using method of above-mentioned long distance multi-node train-line reliability mutual inductance type automatic on-line diagnosis system.
In order to realize first purpose, the present invention realizes by following technical scheme:
A kind of long distance multi-node train-line reliability mutual inductance type automatic on-line diagnosis system, it includes main frame and slave, described main frame includes electric grinding component, electric grinding component is connected to is examined circuit to upper, described slave includes from the terminal voltage detection part with from the end auxiliary control unit, is connected to from the terminal voltage detection part and is examined circuit to upper and hold auxiliary control unit to be connected with electric grinding component with being connected by triggering control line.
Further, described main frame includes the first main frame isolating switch and the second main frame isolating switch, and the first main frame isolating switch and the second main frame isolating switch are serially connected with respectively to be examined on the circuit source and by electric grinding component control and open and close.
Further, described main frame is provided with the alarm lamp that is used to indicate malfunction, and alarm lamp is connected with electric grinding component.
Further, described slave includes the first slave isolating switch, the second slave isolating switch and gapping switch, the first slave isolating switch, the second slave isolating switch are serially connected with is respectively examined circuit from holding and by opening and closing from end auxiliary control unit control, gapping switch be connected in examined circuit between and by opening and closing from the control of end auxiliary control unit.
In order to realize second purpose, the present invention realizes by following technical scheme:
The using method of a kind of long distance multi-node train-line reliability mutual inductance type automatic on-line diagnosis system, it may further comprise the steps: in a, the circuit working process, examined circuit to the voltage-to-ground at two ends from the terminal voltage detection part, the signal degrade condition of computational scheme; If b signal attenuation is excessive, electric grinding component applies the grinding high-voltage pulse with triggering and is ground examining the circuit conductive contact surfaces.
Further, also comprise the c step, after a milling cycle finishes, whether be lower than threshold values from the decay of terminal voltage detection part detection signal, be then to finish to grind, otherwise again apply the grinding high-voltage pulse, if still be higher than threshold values by five milling cycle signal attenuations continuously, the circular fault of then reporting to the police unrepairable, and between the milling cycle time interval be less than 30 seconds.
Further, in the described b step, before applying the grinding high-voltage pulse, trigger electric grinding component with the first main frame isolating switch and the second main frame isolating switch disjunction from the terminal voltage detection part, trigger simultaneously from holding auxiliary control unit with the first slave isolating switch and the second slave isolating switch disjunction and closed gapping switch, making and examined circuit to forming complete loop.
Further, in the described b step, apply when grinding high-voltage pulse, apply the alternating-current pulse electric current being examined the circuit conductive contact surfaces first, this electric current forms voltage drop at resistance, and the equivalent capacity two ends that form in dirt and local the air gap form charging voltage; When described charging voltage punctures the equivalent diode of pressure-resistant machine cupric oxide when withstand voltage greater than stained equivalent capacity, stained and oxide layer are punctured by electric current and form spark discharge, and the stained thing and the Cu oxide that adhere to can be cleared up by electric spark.
Further, the current value of described alternating-current pulse electric current can not surpass 3 times of contact rated current capacity, and pulsewidth is 100ms, and the positive and negative alternating-current pulse logarithm that single applies is 3, is spaced apart 100ms.
Further, the number of times that always applies of described alternating-current pulse electric current is 3 times.
The present invention compared with prior art, its beneficial effect is:
1, the real-time online of realizing long distance multi-node train-line circuit reliability detects and automatically grinding, avoid the availability of high frequency detection and line interruption operating influence circuit, exempted opening and inspecting and decompose maintenance equipment part, greatly improve remediation efficiency and reliability, lowered coefficient of losses and cost payout;
2, overall structure is simply compact, and is easy to operate easy.
In order to understand more clearly the present invention, set forth the specific embodiment of the present invention below with reference to description of drawings.
Description of drawings
Fig. 1 is that the present invention is the circuit structure block diagram.
Fig. 2 is from holding the electrical block diagram of auxiliary control unit among Fig. 1.
Fig. 3 is from the electrical block diagram of terminal voltage detection part among Fig. 1.
The specific embodiment
As shown in Figures 1 to 3, long distance multi-node train-line reliability mutual inductance type automatic on-line diagnosis of the present invention system adopts transmission line pressure reduction mutual inductance detection technique, it includes main frame and slave, described main frame includes electric grinding component, electric grinding component is connected to is examined circuit to upper, described slave includes from the terminal voltage detection part with from the end auxiliary control unit, is connected to from the terminal voltage detection part and is examined circuit to upper and hold auxiliary control unit to be connected with electric grinding component with being connected by triggering control line.
Above-mentioned main frame includes the first main frame isolating switch and the second main frame isolating switch, and the first main frame isolating switch and the second main frame isolating switch are serially connected with respectively to be examined on the circuit source and by electric grinding component control and open and close.Further, described main frame is provided with the alarm lamp that is used to indicate malfunction, and alarm lamp is connected with electric grinding component.
Above-mentioned slave includes the first slave isolating switch, the second slave isolating switch and gapping switch, the first slave isolating switch, the second slave isolating switch are serially connected with is respectively examined circuit from holding and by opening and closing from end auxiliary control unit control, gapping switch be connected in examined circuit between and by opening and closing from the control of end auxiliary control unit.
Above-mentioned one port is by triggering control line and being connected from the terminal voltage detection part from holding auxiliary control unit to be provided with a relay, and the another port connects ground wire, and then controls the switching of the first slave isolating switch, the second slave isolating switch and gapping switch.Further, describedly be provided with a 89C52 single-chip microcomputer and two A/D converters from the terminal voltage detection part, the 89C52 single-chip microcomputer is provided with trigger control end and connects ground wire, and A/D converter links to each other and is connected with the 89C52 single-chip microcomputer respectively.
The using method of above-mentioned long distance multi-node train-line reliability mutual inductance type automatic on-line diagnosis system may further comprise the steps: in a, the circuit working process, examined circuit to the voltage-to-ground at two ends from the terminal voltage detection part, the signal degrade condition of computational scheme; If b signal attenuation is excessive, electric grinding component applies the grinding high-voltage pulse with triggering and is ground examining the circuit conductive contact surfaces; After c, a milling cycle finish, whether be lower than threshold values from the decay of terminal voltage detection part detection signal, then to finish to grind, otherwise again apply the grinding high-voltage pulse, if still be higher than threshold values by five milling cycle signal attenuations continuously, the circular fault of then reporting to the police unrepairable, and between the milling cycle time interval be less than 30 seconds.
In the above-mentioned b step, before applying the grinding high-voltage pulse, trigger electric grinding component with the first main frame isolating switch and the second main frame isolating switch disjunction from the terminal voltage detection part, trigger simultaneously from holding auxiliary control unit with the first slave isolating switch and the second slave isolating switch disjunction and closed gapping switch, making and examined circuit to forming complete loop.
Further, in the described b step, apply when grinding high-voltage pulse, apply the alternating-current pulse electric current being examined the circuit conductive contact surfaces first, this electric current forms voltage drop at resistance, and the equivalent capacity two ends that form in dirt and local the air gap form charging voltage; When described charging voltage punctures the equivalent diode of pressure-resistant machine cupric oxide when withstand voltage greater than stained equivalent capacity, stained and oxide layer are punctured by electric current and form spark discharge, and the stained thing and the Cu oxide that adhere to can be cleared up by electric spark.
Preferably, the current value of described alternating-current pulse electric current can not surpass 3 times of contact rated current capacity, and pulsewidth is 100ms, and the positive and negative alternating-current pulse logarithm that single applies is 3, is spaced apart 100ms; The number of times that always applies of described alternating-current pulse electric current is 3 times.
The present invention is not limited to above-mentioned embodiment, if various changes of the present invention or modification are not broken away from the spirit and scope of the present invention, if these are changed and modification belongs within claim of the present invention and the equivalent technologies scope, then the present invention also is intended to comprise these changes and modification.
Claims (6)
1. one kind long distance multi-node train-line reliability mutual inductance type automatic on-line diagnosis system, it is characterized in that: include main frame and slave, described main frame includes electric grinding component, the first main frame isolating switch and the second main frame isolating switch, electric grinding component is connected to is examined circuit to upper, and the first main frame isolating switch and the second main frame isolating switch are serially connected with respectively to be examined on the circuit source and by electric grinding component control and open and close; Described slave includes from the terminal voltage detection part, from end auxiliary control unit, the first slave isolating switch, the second slave isolating switch and gapping switch, be connected to from the terminal voltage detection part and examined circuit to upper and hold auxiliary control unit to be connected with electric grinding component with being connected by triggering control line, the first slave isolating switch, the second slave isolating switch are serially connected with is respectively examined circuit from holding and by opening and closing from end auxiliary control unit control, gapping switch be connected in examined circuit between and by opening and closing from the control of end auxiliary control unit;
Wherein, described electric grinding component grinds being examined the circuit conductive contact surfaces by applying the grinding high-voltage pulse, apply when grinding high-voltage pulse, first apply the alternating-current pulse electric current being examined the circuit conductive contact surfaces, this electric current forms voltage drop at resistance, forms charging voltage at the equivalent capacity two ends of dirt and the formation of local the air gap; When described charging voltage punctures the equivalent diode of pressure-resistant machine cupric oxide when withstand voltage greater than stained equivalent capacity, stained and oxide layer are punctured by electric current and form spark discharge, and the stained thing and the Cu oxide that adhere to can be cleared up by electric spark.
2. described long distance multi-node train-line reliability mutual inductance type automatic on-line diagnosis system according to claim 1, it is characterized in that: described main frame is provided with the alarm lamp that is used to indicate malfunction, and alarm lamp is connected with electric grinding component.
3. the using method of a long distance multi-node train-line reliability mutual inductance type automatic on-line diagnosis as claimed in claim 1 system is characterized in that may further comprise the steps:
In a, the circuit working process, examined circuit to the voltage-to-ground at two ends from the terminal voltage detection part, the signal degrade condition of computational scheme;
If b signal attenuation is excessive, electric grinding component applies the grinding high-voltage pulse with triggering and is ground examining the circuit conductive contact surfaces; Before applying the grinding high-voltage pulse, trigger electric grinding component with the first main frame isolating switch and the second main frame isolating switch disjunction from the terminal voltage detection part, trigger simultaneously from holding auxiliary control unit with the first slave isolating switch and the second slave isolating switch disjunction and closed gapping switch, making and examined circuit to forming complete loop; Apply when grinding high-voltage pulse, apply the alternating-current pulse electric current being examined the circuit conductive contact surfaces first, this electric current forms voltage drop at resistance, and the equivalent capacity two ends that form in dirt and local the air gap form charging voltage; When described charging voltage punctures the equivalent diode of pressure-resistant machine cupric oxide when withstand voltage greater than stained equivalent capacity, stained and oxide layer are punctured by electric current and form spark discharge, and the stained thing and the Cu oxide that adhere to can be cleared up by electric spark.
4. using method according to claim 3, it is characterized in that: also comprise the c step, after a milling cycle finishes, whether be lower than threshold values from the decay of terminal voltage detection part detection signal, be then to finish to grind, otherwise again apply the grinding high-voltage pulse, if still be higher than threshold values by five milling cycle signal attenuations continuously, the circular fault of then reporting to the police unrepairable, and between the milling cycle time interval be less than 30 seconds.
5. using method according to claim 3 is characterized in that: the current value of described alternating-current pulse electric current can not surpass 3 times of contact rated current capacity, and pulsewidth is 100ms, and the positive and negative alternating-current pulse logarithm that single applies is 3, is spaced apart 100ms.
6. according to claim 5 using method, it is characterized in that: the number of times that always applies of described alternating-current pulse electric current is 3 times.
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| CN 201110027921 CN102161181B (en) | 2011-01-26 | 2011-01-26 | Mutual-induction type automatic online reliability diagnosing and repairing system for long-distance multi-node train line and use method thereof |
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| CN 201110027921 CN102161181B (en) | 2011-01-26 | 2011-01-26 | Mutual-induction type automatic online reliability diagnosing and repairing system for long-distance multi-node train line and use method thereof |
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| CN102161181B true CN102161181B (en) | 2013-05-01 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2069637U (en) * | 1990-05-11 | 1991-01-16 | 中国工商银行青岛市分行 | Oxidized resistance auto-removing device for data communication line |
| CN2242520Y (en) * | 1995-07-21 | 1996-12-11 | 冯胜林 | Device for repairing electron tube |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004358516A (en) * | 2003-06-04 | 2004-12-24 | Murata Mfg Co Ltd | Resistance welding method, method for cleaning resistance welding electrode, and resistance welding apparatus |
| KR100907359B1 (en) * | 2007-12-12 | 2009-07-10 | 현대자동차주식회사 | Apparatus for Removing Foreign Substance of Automotive Horn |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2069637U (en) * | 1990-05-11 | 1991-01-16 | 中国工商银行青岛市分行 | Oxidized resistance auto-removing device for data communication line |
| CN2242520Y (en) * | 1995-07-21 | 1996-12-11 | 冯胜林 | Device for repairing electron tube |
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| Title |
|---|
| JP特开2004-358516A 2004.12.24 |
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