CN102161180B - System for reliably and automatically diagnosing and repairing long-distance multi-node train line on line and using method thereof - Google Patents
System for reliably and automatically diagnosing and repairing long-distance multi-node train line on line and using method thereof Download PDFInfo
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- CN102161180B CN102161180B CN 201110027890 CN201110027890A CN102161180B CN 102161180 B CN102161180 B CN 102161180B CN 201110027890 CN201110027890 CN 201110027890 CN 201110027890 A CN201110027890 A CN 201110027890A CN 102161180 B CN102161180 B CN 102161180B
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Abstract
The invention discloses a system for reliably and automatically diagnosing and repairing long-distance multi-node train line on line and a using method thereof. The system comprises a master machine and a slave machine, wherein the master machine comprises an impedance detection part and an electric grinding part which are connected in parallel to a line pair to be detected; and the slave machine comprises a bridge switch and a slave-end auxiliary control part, the bridge switch is connected between the line pair to be detected, and the slave-end auxiliary control part is connected with the impedance detection part via a trigger control line so as to control the switching on and off of the bridge switch. Compared with the prior art, the system and the using method thereof have the following advantages: 1. reliable on-line detection and on-line grinding of the long-distance multi-node train line circuit is realized, the parts of equipment are prevented from dismantling and disassembling during maintenance, repair efficiency and reliability are greatly improved, and consumption rate and cost are reduced; 2, the whole structure is simple and compact, and 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 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 the Key Circuit of many online uninterrupted operations is 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 instructions for use too greatly.
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, automatic on-line detect and repair, efficient is high and cost is low long distance multi-node train-line reliability 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 automatic on-line diagnosis system.
In order to realize above-mentioned first purpose, the present invention realizes by following technical scheme:
A kind of long distance multi-node train-line reliability automatic on-line diagnosis system, it includes main frame and slave, described main frame includes impedance detection parts and electric grinding component, impedance detection parts and electric grinding component are connected to is respectively examined circuit to upper, described slave include gapping switch and from the end auxiliary control unit, gapping switch be connected in examined circuit between, trigger control line from the end auxiliary control unit by one and be connected with the impedance detection parts and then control the gapping switch switching.
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 the impedance detection parts.
Further, described slave includes the first slave isolating switch and the second slave isolating switch, and the first slave isolating switch and the second slave isolating switch are serially connected with is respectively examined circuit from holding and opening and closing by controlling from the 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 automatic on-line diagnosis system, it may further comprise the steps: when a, circuit are in the logical idle state, electric grinding component is with the first main frame isolating switch and the second main frame isolating switch disjunction, the impedance detection component triggers, makes and is examined circuit to forming complete loop the first slave isolating switch and the second slave isolating switch disjunction and closed gapping switch from the end auxiliary control unit simultaneously; B, impedance detection parts are examined circuit to the voltage-to-ground at two ends, the conductance of computational scheme; If c finds impedance greater than threshold values, electric grinding component applies the grinding high-voltage pulse with triggering and is ground examining the circuit conductive contact surfaces.
Further, also comprise the d step, after a milling cycle finishes, the impedance detection parts detect impedance and whether are lower than threshold values, 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 c 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,
Further, the pulsewidth of described alternating-current pulse electric current 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, realizes the online detection of long distance multi-node train-line circuit reliability and polishing online, exempted the opening and inspecting and decompose maintenance of equipment part, greatly improved 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.
The specific embodiment
As shown in Figure 1, 2, long distance multi-node train-line reliability automatic on-line diagnosis of the present invention system adopts the conductance detection technique, it includes main frame and slave, described main frame includes impedance detection parts and electric grinding component, impedance detection parts and electric grinding component are connected to is respectively examined circuit to upper, described slave include gapping switch and from the end auxiliary control unit, gapping switch be connected in examined circuit between, trigger control line from the end auxiliary control unit by one and be connected with the impedance detection parts and then control the gapping switch switching.
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 the impedance detection parts.
Above-mentioned slave includes the first slave isolating switch and the second slave isolating switch, and the first slave isolating switch and the second slave isolating switch are serially connected with is respectively examined circuit from holding and opening and closing by controlling from the end auxiliary control unit.Further, described one port is connected with the impedance detection parts by triggering control line 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.
The using method of above-mentioned long distance multi-node train-line reliability automatic on-line diagnosis system may further comprise the steps: when a, circuit are in the logical idle state, electric grinding component is with the first main frame isolating switch and the second main frame isolating switch disjunction, the impedance detection component triggers, makes and is examined circuit to forming complete loop the first slave isolating switch and the second slave isolating switch disjunction and closed gapping switch from the end auxiliary control unit simultaneously; B, impedance detection parts are examined circuit to the voltage-to-ground at two ends, the conductance of computational scheme; If c finds impedance greater than threshold values, electric grinding component applies the grinding high-voltage pulse with triggering and is ground examining the circuit conductive contact surfaces; After d, a milling cycle finish, the impedance detection parts detect impedance and whether are lower than threshold values, 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 c 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; 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 (7)
1. one kind long distance multi-node train-line reliability automatic on-line diagnosis system, it is characterized in that: include main frame and slave, described main frame includes impedance detection parts, electric grinding component, the first main frame isolating switch and the second main frame isolating switch, impedance detection parts and electric grinding component are connected to is respectively 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 include gapping switch, from the end auxiliary control unit, the first slave isolating switch and the second slave isolating switch, gapping switch be connected in examined circuit between, open and close from holding auxiliary control unit to be connected with the impedance detection parts and then to control gapping switch by a triggering control line, the first slave isolating switch and the second slave isolating switch are serially connected with is respectively examined circuit from holding and opening and closing by controlling from the 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. long distance multi-node train-line reliability automatic on-line diagnosis according to claim 1 system, 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 the impedance detection parts.
3. the using method of a long distance multi-node train-line reliability automatic on-line diagnosis as claimed in claim 1 system is characterized in that may further comprise the steps:
When a, circuit are in the logical idle state, electric grinding component is with the first main frame isolating switch and the second main frame isolating switch disjunction, the impedance detection component triggers, makes and is examined circuit to forming complete loop the first slave isolating switch and the second slave isolating switch disjunction and closed gapping switch from the end auxiliary control unit simultaneously;
B, impedance detection parts are examined circuit to the voltage-to-ground at two ends, the conductance of computational scheme;
If c finds impedance greater than threshold values, electric grinding component applies the grinding high-voltage pulse with triggering and is ground examining the circuit conductive contact surfaces; 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 d step, after a milling cycle finishes, the impedance detection parts detect impedance and whether are lower than threshold values, 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.
6. using method according to claim 5, it is characterized in that: the pulsewidth of described alternating-current pulse electric current is 100ms, the positive and negative alternating-current pulse logarithm that single applies is 3, is spaced apart 100ms.
7. using method according to claim 6, 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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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110027890 CN102161180B (en) | 2011-01-26 | 2011-01-26 | System for reliably and automatically diagnosing and repairing long-distance multi-node train line on line and using method thereof |
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| CN 201110027890 CN102161180B (en) | 2011-01-26 | 2011-01-26 | System for reliably and automatically diagnosing and repairing long-distance multi-node train line on line and using method thereof |
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| CN102161180A CN102161180A (en) | 2011-08-24 |
| CN102161180B true CN102161180B (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 |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2004-358516A 2004.12.24 |
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