CN202997534U - Intelligent device and system for removing line faults of overhead contact line system - Google Patents
Intelligent device and system for removing line faults of overhead contact line system Download PDFInfo
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- CN202997534U CN202997534U CN 201220745564 CN201220745564U CN202997534U CN 202997534 U CN202997534 U CN 202997534U CN 201220745564 CN201220745564 CN 201220745564 CN 201220745564 U CN201220745564 U CN 201220745564U CN 202997534 U CN202997534 U CN 202997534U
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Abstract
The utility model discloses an intelligent device and a system for removing line faults of an overhead contact line system. The device comprises a high-voltage device and a controlling protection device. The high-voltage device is disposed on a branch line of the overhead contact line system, and is used to switch a branch circuit of the overhead contact line system and detect circuit status. The controlling protection device is connected with the high-voltage device, and is used to determine whether the circuit status is normal according to the circuit status detected by the high-voltage device, thereby performing on-off control on the high-voltage device. Through arranging the high-voltage devices and the controlling protection devices on each of the branch lines of the overhead contact line system, when the branch line of the overhead contact line system breaks down, the device and the system can automatically remove the branch line from a main line, and the breakdown branch line can be accurately determined. The device and the system is safe and stable in performance, and can provide convenience for staff to process line faults rapidly, thereby greatly improving efficiency of power supply management.
Description
Technical field
The utility model relates to railway electrification systematic electricity control field, particularly, relates to a kind of contact line circuit intelligent fault excision equipment and system.
Background technology
Along with the cumulative year after year of ever-increasing national economy to coal equal energy source in the demand of the energy and railway transportation work, the branch line circuit of contact line circuit is constantly set up, but because it exists power supply unreliable, contact line branch line power supply trouble occurs frequent, and fault also can directly have influence on the power supply of main track after occuring, make that coverage is large, interruption duration is long, this has become guarantees the unimpeded puzzlement of powering.
At present, the main track of domestic electrification railway contact net and the electricity between branch line are cut apart and are basically all adopted isolating switch or on-load switch.But, isolating switch must just can divide under no load condition, closing operation, although and on-load switch can cut off normal load current, but can not cut off the circuit when line short fault occurs, so, when a main track is connected with many branch lines, when certain branch line breaks down, because not splitting from main track rapidly, interrupt transportation so can cause the whole piece main track to have a power failure, the power failure area that causes thus is large.
The utility model content
The purpose of this utility model is to provide a kind of contact line circuit intelligent fault excision equipment and system, be used for solving cutting off rapidly the contact line branch line that breaks down, and can failure judgement the branch line at place.
To achieve these goals, the utility model provides a kind of contact line circuit intelligent fault excision equipment, and this equipment comprises: high-pressure installation, be arranged on the contact line branch line, and be used for the described contact line of break-make and prop up line circuit and testing circuit state; And control protective unit, be connected with described high-pressure installation, be used for detecting according to described high-pressure installation the circuit state that obtains and judge whether obtain described circuit state normal, thereby being carried out break-make, described high-pressure installation controls.
Preferably, described high-pressure installation comprises: circuit breaker, and be arranged on described contact line branch line, and be connected with described control protective unit, be used for the described contact line branch line of break-make; And the circuit state checkout gear, be arranged on described contact line branch line, and be connected with described control protective unit, for detection of circuit state.
Preferably, described equipment also comprises: warning device, be connected with described control protective unit, and be used for obtaining sending warning information to the control centre when described circuit state is improper when described control protective unit judgement.
Preferably, described equipment also comprises: communication device, be connected with described control protective unit, and be used for communicating by letter between described control protective unit and control centre.
The utility model also provides a kind of contact line circuit intelligent fault to excise system, and this system comprises: a plurality of described contact line circuit intelligent faults excision equipment are arranged in respectively on each branch line in a plurality of contact line branch lines.
Pass through technique scheme; the utility model is by arranging high-pressure installation and control protective unit on each contact line branch line; realized when the contact line branch line breaks down; can automatically this branch line be excised from main track; and can accurately determine the branch line that breaks down; performance safety, stable can facilitate staff's fast processing line fault, has greatly improved the efficient of power supply management work.
Other feature and advantage of the present utility model will partly be described in detail in embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide further understanding of the present utility model, and consists of the part of specification, is used from explanation the utility model with following embodiment one, but does not consist of restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structured flowchart of the contact line circuit intelligent fault excision equipment that provides of the utility model;
Fig. 2 is the scheme of installation of the contact line circuit intelligent fault excision equipment that provides of the utility model execution mode; And
Fig. 3 is the schematic flow sheet of the contact line circuit intelligent fault cutting method that provides of the utility model.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.Should be understood that, embodiment described herein only is used for description and interpretation the utility model, is not limited to the utility model.
Fig. 1 is the structured flowchart of the contact line circuit intelligent fault excision equipment that provides of the utility model, as shown in Figure 1, contact line circuit intelligent fault excision equipment comprises high-pressure installation 1 and control protective unit 21, wherein, high-pressure installation 1 is arranged on the contact line branch line, is used for the described contact line of break-make and props up line circuit and testing circuit state; Control protective unit 21 is connected with described high-pressure installation 1, is used for detecting according to described high-pressure installation 1 circuit state that obtains and judges whether obtain described circuit state normal, controls thereby described high-pressure installation 1 is carried out break-make.
Wherein, control protective unit 21 possesses measuring ability and controls function; the circuit state that high-voltage switch gear is detected carries out the fault judgement; circuit state detected when undesired; be that the contact line branch line is when breaking down; control high-pressure installation 1 and disconnect, thereby the contact line branch line that breaks down in time excise from main track, with guarantee the branched line fault not match line power and cause interference.
Under preferable case, high-pressure installation 1 comprises circuit breaker 11 and circuit state checkout gear 12, and wherein, circuit breaker 11 is arranged on the contact line branch line, and is connected with control protective unit 21, is used for the described contact line branch line of break-make; Circuit state checkout gear 12 is arranged on the contact line branch line, and is connected with control protective unit 21, for detection of circuit state.Wherein, circuit state checkout gear 12 can be integrated on circuit breaker 11, also can be the autonomous device that is connected with circuit breaker 11.
Under preferable case, circuit state checkout gear 12 can comprise current transformer or voltage transformer.
Under preferable case, control protective unit 21 can also comprise warning device 22, and this warning device 22 is connected with control protective unit 21, when control protective unit 21 judgements obtain sending warning information to the control centre when circuit state is improper.Wherein, warning device 22 can be conk short message voice warning device, warning information directly can be sent to the control centre in the mode of note and voice, with the link that forwards in the middle of reducing, strengthen warning information and be delivered to promptness and the reliability of control centre, thereby can avoid omitting or incuring loss through delay warning information.
Under preferable case, control protective unit 21 can also comprise communication device 23, and this communication device 23 is connected with described control protective unit 21, is used for communicating by letter between described control protective unit 21 and control centre.At control protective unit 21 decision circuitry states when being improper, the numbering of the branch line numbering of the branch line that this equipment is positioned at by communication device 23 or the high-pressure installation 1 of this contact line circuit intelligent fault excision equipment sends to the control centre.wherein, carry out real time communication between control protective unit 21 and control centre, when not breaking down, the data of communication can comprise the circuit state data that high-pressure installation 1 detects, time etc., when breaking down, the data of communication can comprise the time, the circuit state data, the branch line numbering of the branch line that breaks down, the numbering of high-pressure installation 1, feedback information after the on off operating mode of the circuit breaker 11 of high-pressure installation 1 and circuit breaker 11 disconnect etc., its break feedback information for control protective unit 21 when breaking down control protect by control after circuit breakers 11 disconnect in mind-set control centre feedack.
Under preferable case, when control protective unit was improper at the decision circuitry state, the current value of the branch line that the equipment that control protective unit also provides the utility model by communication device is positioned at and magnitude of voltage etc. sent to the control centre.
In addition, the control centre can also control by communication device 23 and 21 pairs of high-pressure installations 1 of control protective unit.When needing interim certain contact line branch line of excision because of job-shop; the staff can send by communication device 23 " divide, close " instruction of circuit breaker 11 in control high-pressure installation 1 to control protective unit 21 in the control centre; high-pressure installation 1 by instruction complete minute, closing operation and confirm after; the corresponding data message that to complete again after instruction sends back the control centre by control protective unit 21, communication device 23, so that the staff confirms the state of high-pressure installation 1.
Wherein, control protective unit 21 also comprises supply unit 24; this supply unit 24 is connected with communication device with control protective unit 21, warning device 22 and is connected, and the working power of different brackets is provided for control protective unit 21, warning device 22 and communication device 23, guarantees continuous firing of each device.
Fig. 2 is the scheme of installation of the contact line circuit intelligent fault excision equipment that provides of the utility model execution mode.As can be seen from the figure, arranged high-pressure installation 1 and integrated system part 2 on the contact line branch line, wherein, integrated system part 2 can comprise circuit state checkout gear 12, under preferable case, can also comprise warning device 22, communication device 23 and/or supply unit 24.
In addition, can arrange a contact line circuit intelligent fault excision equipment on each branch line in a plurality of contact line branch lines, consist of like this contact line circuit intelligent fault and excised system, when circuit state when being improper, be certain contact line branch line when breaking down, contact line circuit intelligent fault excision equipment can send to the control centre with the numbering of the branch line of the contact line branch road that breaks down or the numbering of high-pressure installation 1.In addition, the control centre can also be by the human-computer interaction interface of the system management software installed in computer, to being arranged in integrated system part 2 sending controling instructions of contact line branch line, thereby realize to high-voltage switch gear minute, closing operation.For example; need control high-pressure installation 1 in the control centre because of job-shop and carry out " divide, close " when lock operates; the communication device 23 of control information by corresponding integrated system part 2 that comprises the numbering of the high-pressure installation 1 that will operate can be sent to control protective unit 21; this control protective unit 21 carries out corresponding control according to operation information to high-pressure installation 1, namely " divides, closes " the lock operation.
Fig. 3 is the schematic flow sheet of the contact line circuit intelligent fault cutting method that provides of the utility model, and as shown in Figure 3, the method comprises: detect the circuit state of contact line branch line, and according to circuit state judgement whether obtain described circuit state normal; When being improper, disconnect the circuit of contact line branch line when circuit state.
under preferable case, detect the circuit state of contact line branch line, and judge according to described circuit state whether obtain described circuit state normally comprises: the circuit state that detects the contact line branch line can be the curtage that detects the contact line branch line, when the value of the curtage that obtains when detection is improper, determine that circuit state is improper, under preferable case, send warning information to the control centre when circuit state when being improper, under preferable case, at circuit state when being improper, the branch line numbering that is improper contact line branch line with circuit state sends to the control centre.Under preferable case, at circuit state when being improper, be also that the current value of improper branch line and magnitude of voltage etc. send to the control centre with circuit state.
below describe by reference to the accompanying drawings preferred implementation of the present utility model in detail, but, the utility model is not limited to the detail in above-mentioned execution mode, in technical conceive scope of the present utility model, can carry out multiple simple variant to the technical solution of the utility model, can adopt electromagnetic type as control protective unit 21, integrated form, transistor type, the modes such as microcomputerized control, communication device 23 can adopt wired, wireless, wired and the wireless mode such as combine, supply unit 24 can adopt external power supply, the body power supply, the forms such as other electrical source of power, these simple variant all belong to protection range of the present utility model.
Need to prove, the detail of the contact line circuit intelligent fault cutting method that provides about the utility model and benefit are corresponding with the contact line circuit intelligent fault excision equipment that the utility model provides, and repeat no more in this.
By above technical scheme; advantage of the present utility model is as follows: the utility model provides a kind of contact line circuit intelligent fault excision equipment, system and method that is arranged on contact line branch line and main track electrical connection place; structure is simple; performance safety, stable; can fast and effeciently cut off the normal current of contact line branch line and the short circuit current when breaking down, and can carry out Real Time Monitoring, protect this contact line branch line.This equipment can be used for the electrical connection of electrification railway contact net main track and branch line, intelligent outstanding, when the contact line branch line breaks down, this equipment can accurately judge and automatically control the high-voltage switch gear tripping operation, makes the main track circuit keep normal power supply, thereby fault coverage is down to minimum, simultaneously, fault message is transferred to rapidly the control centre, the related electric numerical value of the contact line branch line that breaks down can accurately be provided, can facilitate staff's fast processing line fault.The equipment automatization perfect performance that the utility model provides possesses remote measurement, remote control, remote signaling function, has greatly improved the power supply management operating efficiency.In addition, the utility model has been realized electric railway branch line contact system running status is carried out round-the-clock Real-Time Monitoring, especially when branch line contact system breaks down, can automatically identify, make the circuit breaker 11 of high-pressure installation 1 prior to the feeder breaker tripping operation of electric substation, branch line and main track contact line are formed electric separating.And the equipment that the utility model provides can also possess manual operation function, can manually divide at the scene, closing operation.
Need to prove that in addition each the concrete technical characterictic described in above-mentioned embodiment in reconcilable situation, can make up by any suitable mode.For fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible compound modes.
In addition, also can carry out combination in any between various execution mode of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (5)
1. a contact line circuit intelligent fault excision equipment, is characterized in that, this equipment comprises:
High-pressure installation is arranged on the contact line branch line, is used for the described contact line of break-make and props up line circuit and testing circuit state; And
Control protective unit is connected with described high-pressure installation, is used for detecting according to described high-pressure installation the circuit state that obtains and judges whether obtain described circuit state normal, controls thereby described high-pressure installation is carried out break-make.
2. equipment according to claim 1, is characterized in that, described high-pressure installation comprises:
Circuit breaker is arranged on described contact line branch line, and is connected with described control protective unit, is used for the described contact line branch line of break-make; And
The circuit state checkout gear is arranged on described contact line branch line, and is connected with described control protective unit, for detection of circuit state.
3. equipment according to claim 1, is characterized in that, described equipment also comprises:
Warning device is connected with described control protective unit, is used for obtaining sending warning information to the control centre when described circuit state is improper when described control protective unit judgement.
4. equipment according to claim 1, is characterized in that, described equipment also comprises:
Communication device is connected with described control protective unit, is used for communicating by letter between described control protective unit and control centre.
5. a contact line circuit intelligent fault excises system, it is characterized in that, this system comprises:
according to claim 1 a plurality of-4, the described contact line circuit of any one intelligent fault excision equipment, be arranged in respectively on each branch line in a plurality of contact line branch lines.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201220745564 CN202997534U (en) | 2012-12-28 | 2012-12-28 | Intelligent device and system for removing line faults of overhead contact line system |
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CN 201220745564 CN202997534U (en) | 2012-12-28 | 2012-12-28 | Intelligent device and system for removing line faults of overhead contact line system |
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CN202997534U true CN202997534U (en) | 2013-06-12 |
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CN 201220745564 Expired - Lifetime CN202997534U (en) | 2012-12-28 | 2012-12-28 | Intelligent device and system for removing line faults of overhead contact line system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103066577A (en) * | 2012-12-28 | 2013-04-24 | 中国神华能源股份有限公司 | Contact net line fault intelligent cutting equipment and system and method |
-
2012
- 2012-12-28 CN CN 201220745564 patent/CN202997534U/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103066577A (en) * | 2012-12-28 | 2013-04-24 | 中国神华能源股份有限公司 | Contact net line fault intelligent cutting equipment and system and method |
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Granted publication date: 20130612 |
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CX01 | Expiry of patent term |