CN202180762U - Intelligent safe power supply device for overhead line of electric locomotive - Google Patents
Intelligent safe power supply device for overhead line of electric locomotive Download PDFInfo
- Publication number
- CN202180762U CN202180762U CN2011203053943U CN201120305394U CN202180762U CN 202180762 U CN202180762 U CN 202180762U CN 2011203053943 U CN2011203053943 U CN 2011203053943U CN 201120305394 U CN201120305394 U CN 201120305394U CN 202180762 U CN202180762 U CN 202180762U
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- CN
- China
- Prior art keywords
- power supply
- wiring terminal
- electric locomotive
- overhead line
- supply device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses an intelligent safe power supply device for an overhead line of an electric locomotive. The intelligent safe power supply device for the overhead line of the electric locomotive comprises a shell; four wiring terminals, namely, the wiring terminal A, the wiring terminal B, the wiring terminal C and the wiring terminal D, are arranged on the shell; an overhead line automatic power shut-down and supply circuit is arranged in the shell and has a direct current U which is smaller than a safety voltage; the negative electrode of the direct current U is connected between the wiring terminal C and the wiring terminal D, the positive electrode is sequentially connected with a small current detector L1 and a leakage current detector L2 in series and then is connected with the wiring terminal B; the intelligent safe power supply device for the overhead line of the electric locomotive further comprises a current transmitter FL, a circuit switch K and a PLC (programmable logic controller); and output ends of the small current detector L1 and the leakage current detector L2 are respectively connected with an input end of the PLC. Due to the adoption of the technical scheme, the long-term power supply for the overhead line can be changed into segmented short-period power supply, namely, power is only supplied to an operating section of the electric locomotive, while the other overhead lines are all in a power-off state; particularly, a leakage detection circuit is arranged, so that power delivery by mistake caused by a power supply command sent for the second time by the PLC due to leakage is avoided, the safety of people walking under the overhead lines are guaranteed, and the personal electric shock accidents are reduced.
Description
Technical field
The utility model relates to a kind of mine electrical installation, especially relates to a kind of mine electric vehicle overheading line intelligence transmission or not device.
Background technology
At present, the electric locomotive down-hole air wire that China uses in the mine generally adopts the subregion insulation, promptly utilizes zoning switch to be electrically connected, and also has indivedual mines to install travel switch in the parking lot and fixes a point to cut off the power supply.These methods all belong to the interim of short duration power failure in the parking lot, and air wire is always charged for a long time, and aerial line voltage is generally higher, is easy to occur electric shock accidents.The measure that realizes above-mentioned operation scheme almost is the operating mode with artificial deciliter power on-off device or zoning switch, carry out people parking lot and the passing frequent section of personnel stop send electricity or divide the section power failure to give.Though this mode is reliable,, also brought the hidden danger that causes owing to this operation simultaneously far away on response time and work efficiency because manual operation can not meet the demands.Chinese patent discloses a kind of " the automatic transmission or not device of stringing electrical locomotive air wire ", though this power on-off device has realized making air wire only charged when electric locomotive moves, electric locomotive does not have when stopping transport; Shortened the time of air wire charging operation; But also there is following problem, promptly during low voltage power supply, in case when electric leakage or little electric current leak; Can make PLC assign the power supply instruction once more and cause the misdelivery electricity, cause safety misadventure more easily.
Summary of the invention
The purpose of the utility model provides a kind of detection of electrical leakage circuit that has; Safe and reliable intelligent electric locomotive air wire transmission or not device; Change the long-term power supply of air wire into sectional type and supply power in short-term, promptly only to the power supply of electric locomotive target phase, and other air wire all is in off-position; Thereby walker person's safety under the assurance air wire reduces the accident of human electric shock.
The purpose of the utility model realizes through following technical scheme; It has a housing, and housing is provided with four binding posts, is respectively A, B, C, D; The automatic transmission or not circuit of air wire is installed in the housing; This circuit have one be lower than safety voltage direct supply U, the negative pole of direct supply U is connected between binding post C and the D, positive pole is connected in series little current probe L successively
1, leakage current detector L
2After, B is connected with binding post; It also has a current transducer FL, line breaker K and a PLC programming controller; The end of current transducer FL is connected with binding post B; After the other end tandem link K switch, connect binding post A, the signal end of current transducer FL connects an input end of PLC programming controller; The control end of the mouth connection line K switch of PLC programming controller, little current probe L
1, leakage current detector L
2Mouth is connected with the input end of PLC programming controller respectively.
During use, the device of the utility model is installed on the top that desire is controlled automatic transmission or not air wire highway section, binding post A, B are serially connected with in the air wire supply line, binding post C, D are serially connected with in the track reflux line and get final product.After electric locomotive stopped, current transducer FL dead electricity was delivered to the PLC programming controller with this dead electricity signal; The PLC programming controller assert that through analysis and judgement electric locomotive does not rerun, and just exports power cut signal; The control path K switch is broken off and being had a power failure; Thereby realize that air wire has a power failure, at this moment, the direct supply U that is lower than safety voltage is through little current probe L
1, leakage current detector L
2Send into aerial line, no-load run.At this moment, L
1, L
2Do not have and send electric current.When electric locomotive needs to drive, when the driver connects the electric locomotive electric loop through control switch, promptly form the loop, at this moment, L
1, L
2Just send electric current signal output, and deliver to the PLC programming controller, the PLC programming controller is through analysis and judgement; Confirm electric locomotive request power supply, then send and send electric signal that line breaker K connects to line breaker K; Thereby realize sending electricity to air wire, electric locomotive just brings into operation, when the line electrical leakage of output; Leakage indicator is assigned the instruction of stopping power supply and is given PLC programming controller, the transmission operation of PLC programming controller halt switch K.
The beneficial effect of the utility model: owing to adopt technique scheme; Can change the long-term power supply of air wire into sectional type and supply power in short-term, promptly only to the power supply of electric locomotive target phase, and other air wire all is in off-position; Particularly be provided with electric-leakage detection circuit; Prevented to cause the misdelivery electricity, thereby guaranteed walker person's under the air wire safety, reduced the accident of human electric shock because of electric leakage makes PLC assign the power supply instruction once more.
Description of drawings
Specify the embodiment of the utility model below in conjunction with accompanying drawing
Fig. 1 is the electrical schematic diagram of the utility model
Among the figure: A, B, C, D-binding post; The K-line breaker; The PLC-programming controller; L
1-little current probe; L
2-leakage current detector; The FL-current transducer.
The specific embodiment
As shown in Figure 1; It has a housing this intelligent electric locomotive air wire safe power supply device, and housing is provided with four binding posts, is respectively A, B, C, D; The automatic transmission or not circuit of air wire is installed in the housing; This circuit have one be lower than safety voltage direct supply U, the negative pole of direct supply U is connected between binding post C and the D, positive pole is connected in series little current probe L successively
1, leakage current detector L
2After, B is connected with binding post; It also has a current transducer FL, line breaker K and a PLC programming controller; The end of current transducer FL is connected with binding post B; After the other end tandem link K switch, connect binding post A, the signal end of current transducer FL connects an input end of PLC programming controller; The control end of the mouth connection line K switch of PLC programming controller, little current probe L
1, leakage current detector L
2Mouth is connected with the input end of PLC programming controller respectively.
Claims (1)
1. intelligent electric locomotive air wire safe power supply device, it has a housing, and housing is provided with four binding posts; Be respectively A, B, C, D, the automatic transmission or not circuit of air wire be installed in the housing, this circuit have one be lower than safety voltage direct supply U; The negative pole of direct supply U is connected between binding post C and the D; It also has a current transducer FL, line breaker K and a PLC programming controller, and the end of current transducer FL is connected with binding post B, after the other end tandem link K switch; Connect binding post A; The signal end of current transducer FL connects an input end of PLC programming controller, and the control end of the mouth connection line K switch of PLC programming controller is characterized in that the positive pole of direct supply U is connected in series little current probe L successively
1, leakage current detector L
2After, B is connected with binding post, little current probe L
1, leakage current detector L
2Mouth is connected with the input end of PLC programming controller respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203053943U CN202180762U (en) | 2011-08-10 | 2011-08-10 | Intelligent safe power supply device for overhead line of electric locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203053943U CN202180762U (en) | 2011-08-10 | 2011-08-10 | Intelligent safe power supply device for overhead line of electric locomotive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202180762U true CN202180762U (en) | 2012-04-04 |
Family
ID=46173809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203053943U Expired - Fee Related CN202180762U (en) | 2011-08-10 | 2011-08-10 | Intelligent safe power supply device for overhead line of electric locomotive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202180762U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102336150A (en) * | 2011-08-10 | 2012-02-01 | 临沂施乃通电气技术有限公司 | Intelligent safe power supply for electric locomotive overhead lines |
| ITTO20121119A1 (en) * | 2012-12-20 | 2014-06-21 | Ansaldo Sts Spa | MODULAR ELECTRIC POWER SUPPLY LINE ISOLATED AUTO |
| CN108214547A (en) * | 2017-08-21 | 2018-06-29 | 广州犀鸟工业设计有限公司 | A kind of robot device of stabilization |
| CN113910988A (en) * | 2021-09-30 | 2022-01-11 | 徐州凯思特机电科技有限公司 | Trolley electric locomotive segmented power supply system with leakage protection function |
-
2011
- 2011-08-10 CN CN2011203053943U patent/CN202180762U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102336150A (en) * | 2011-08-10 | 2012-02-01 | 临沂施乃通电气技术有限公司 | Intelligent safe power supply for electric locomotive overhead lines |
| ITTO20121119A1 (en) * | 2012-12-20 | 2014-06-21 | Ansaldo Sts Spa | MODULAR ELECTRIC POWER SUPPLY LINE ISOLATED AUTO |
| CN103879308A (en) * | 2012-12-20 | 2014-06-25 | 安萨尔多信号和交通系统有限公司 | Self-insulated modular power supply line |
| WO2014097127A3 (en) * | 2012-12-20 | 2014-11-13 | Ansaldo Sts S.P.A. | Self-insulated modular power supply line |
| CN103879308B (en) * | 2012-12-20 | 2017-04-26 | 安萨尔多信号和交通系统有限公司 | Self-insulated modular power supply line |
| US9669733B2 (en) | 2012-12-20 | 2017-06-06 | Ansaldo Sts S.P.A. | Self-insulated modular power supply line |
| TWI633024B (en) * | 2012-12-20 | 2018-08-21 | 安薩爾多Ｓｔｓ公司 | Self-insulated modular power supply line |
| CN108214547A (en) * | 2017-08-21 | 2018-06-29 | 广州犀鸟工业设计有限公司 | A kind of robot device of stabilization |
| CN113910988A (en) * | 2021-09-30 | 2022-01-11 | 徐州凯思特机电科技有限公司 | Trolley electric locomotive segmented power supply system with leakage protection function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120404 Termination date: 20120810 |