CN104118334B - Air wire auto switching electric system - Google Patents
Air wire auto switching electric system Download PDFInfo
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- CN104118334B CN104118334B CN201410374498.8A CN201410374498A CN104118334B CN 104118334 B CN104118334 B CN 104118334B CN 201410374498 A CN201410374498 A CN 201410374498A CN 104118334 B CN104118334 B CN 104118334B
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- 230000003137 locomotive effect Effects 0.000 claims abstract description 62
- 230000005540 biological transmission Effects 0.000 claims abstract description 29
- 238000000034 method Methods 0.000 abstract description 6
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 2
- 239000011707 mineral Substances 0.000 abstract description 2
- 238000005065 mining Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical group C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 206010014357 Electric shock Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
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Abstract
The present invention relates to a kind of mineral electrical apparatus, be specifically related to a kind of air wire auto switching electric system, electric locomotive is connected with air wire by collector bow, air wire comprises power transmission line and grounding jumper, power transmission line all arranges control module, series relay I normally closed contact summation current transformer primary side on power transmission line, one end, Current Transformer Secondary side ground connection, other end access PLC control chip, PLC control chip two groups of voltage output ends relay I in parallel respectively, II coil, power transmission line access constant current source, constant current source connects electric locomotive by collector bow, collector bow two ends shunt voltage transmitter, voltage transmitter is connected in series the series connection of relay II open contact and PLC control chip in turn, electric locomotive starting switch is set to single pole double throw switch, starting switch series electric motor vehicle electric circuit, another side series inductance.The present invention is easy to use, according to the running state of electric locomotive, automatically can carry out the power on/off process of air wire, eliminate safe hidden trouble.
Description
Technical field
The present invention relates to a kind of mineral electrical apparatus, be specifically related to a kind of air wire auto switching electric system.
Background technology
Mining electric locomotive is mainly used in the long-distance transportation on the large lane of underground transportation and ground, is suitable for the mining equipment commonly used.Need to rely on air wire in electric locomotive operational process to power to it, but air wire height is lower in general mining area, when mining area staff walks about in ore deposit, there is larger potential safety hazard, for ensureing Electrical Safety in mining area, the air wire of electric locomotive running way adopts sectional type to power usually, only in the air wire interval power supply that electric locomotive runs.When but electric locomotive stops at below air wire, still can think and have electric locomotive to run in this section of air wire interval, it be powered, so Danger Electric shock risk is existed for the operator at this regional activity.
Summary of the invention
For the deficiency in solving the problems of the technologies described above, the object of the invention is to: a kind of air wire auto switching electric system is provided, easy to use, safe and reliable, according to the running state of electric locomotive, automatically can carry out the power on/off process of air wire, eliminate safe hidden trouble.
The technical scheme that the present invention adopts for its technical matters of solution is:
Described air wire auto switching electric system, electric locomotive is connected with air wire by collector bow, air wire is divided between several service areas, comprise power transmission line and grounding jumper, power transmission line in each interval all arranges control module, control module comprises PLC control chip, relay summation current transformer, series relay I normally closed contact summation current transformer primary side on power transmission line, one end, Current Transformer Secondary side ground connection, other end access PLC control chip signal input part, PLC control chip one group of voltage output end series relay I coil, another group voltage output end of PLC control chip series relay II coil, on power transmission line, relay I normally closed contact is away from one end access constant current source of current transformer, constant current source is electrically connected with electric locomotive by collector bow, collector bow two ends shunt voltage transmitter, voltage transmitter is connected with relay II open contact, another signal input part of relay II open contact access PLC control chip, electric locomotive starting switch is set to single pole double throw switch, and single pole double throw switch series electric motor vehicle electric circuit, forms C/LOOP with collector bow, another side series inductance, form C/LOOP with collector bow.
When electric locomotive running state, air wire supply regular power, and by collector bow for electric locomotive provides operation power supply, when electric locomotive needs to stop transport, driver is left behind electric locomotive starting switch, electric locomotive used electric line and collector bow separated, stop power supply, now, transmission line of electricity only there is voltage, no current, correspondingly, current transformer mouth does not have electric current to export, PLC control chip signal input part receives 0 signal, trigger voltage mouth output voltage signal, attracting electric relay I and relay II coil, relay I normally closed contact disconnects, current supply circuit on power transmission line disconnects, air wire stops powering to electric locomotive, simultaneously, relay II open contact closes, voltage transmitter gathers the voltage at electric locomotive two ends and is sent to PLC control chip.After starting switch of leaving behind, the inductor loop that electric locomotive is arranged is switched on, because inductance resistance is very little, the electric locomotive both end voltage value that voltage transmitter collects is also very little, after PLC control chip receives this voltage data, do not do any action, until electric locomotive needs again to start, pull on starting switch, electric locomotive used electric line is connected, constant current source electric current I and power P constant, electric locomotive both end voltage increases, theoretical value is P/I, now, PLC control chip voltage output end is output voltage no longer externally, relay I normally closed contact closes again, power transmission line starts power supply, power supply is provided for electric locomotive normally runs, relay II open contact disconnects, PLC control chip stops receiver voltage signal.
In actual applications, PLC control chip can adopt conventional Siemens, Mitsubishi's series, disclosed in it, technical materials is very complete, and the PLC control chip control program used for reaching technique effect belongs to general knowledge as well known to those skilled in the art, without the need to carrying out any improvement.
Preferably, described constant current source electric current is 0.8-1.5A, and power is 5-8W, can set, and the magnitude of voltage collected when voltage transmitter is greater than the voltage output that 3V can trigger PLC control chip stopping voltage output end.
Preferably, described control module is arranged on below power transmission line, prevents control module from stopping the normal operation of collector bow on air wire
Compared with prior art, the present invention has following beneficial effect:
The present invention is easy to use, safe and reliable, according to the running state of electric locomotive, automatically can carry out the power on/off process of air wire, eliminate safe hidden trouble.When electric locomotive running state, air wire supply regular power, and by collector bow for electric locomotive provides operation power supply, when electric locomotive needs to stop transport, driver is left behind electric locomotive starting switch, electric locomotive used electric line and collector bow separated, stop power supply, now, transmission line of electricity only there is voltage, no current, correspondingly, current transformer mouth does not have electric current to export, PLC control chip signal input part receives 0 signal, trigger voltage mouth output voltage signal, attracting electric relay I and relay II coil, relay I normally closed contact disconnects, current supply circuit on power transmission line disconnects, air wire stops powering to electric locomotive, simultaneously, relay II open contact closes, voltage transmitter gathers the voltage at electric locomotive two ends and is sent to PLC control chip.After starting switch of leaving behind, the inductor loop that electric locomotive is arranged is switched on, because inductance resistance is very little, the electric locomotive both end voltage value that voltage transmitter collects is also very little, after PLC control chip receives this voltage data, do not do any action, until electric locomotive needs again to start, pull on starting switch, electric locomotive used electric line is connected, constant current source electric current I and power P constant, electric locomotive both end voltage increases, theoretical value is P/I, now, PLC control chip voltage output end is output voltage no longer externally, relay I normally closed contact closes again, power transmission line starts power supply, power supply is provided for electric locomotive normally runs, relay II open contact disconnects, PLC control chip stops receiver voltage signal.
Accompanying drawing explanation
Fig. 1 circuit connection diagram of the present invention.
Fig. 2 structure diagram of the present invention.
In figure: 1, electric locomotive; 2, collector bow; 3, power transmission line; 4, grounding jumper; 5, inductance; 6, control module; 7, PLC control chip; 8, current transformer; 9, relay I normally closed contact; 10, relay I coil; 11, relay II coil; 12, constant current source; 13, voltage transmitter; 14, relay II open contact; 15, starting switch; 16, electric locomotive used electric line.
Detailed description of the invention
Below in conjunction with accompanying drawing, the embodiment of the present invention is described further:
As shown in Figure 1-2, air wire auto switching electric system of the present invention, electric locomotive 1 is connected with air wire by collector bow 2, air wire is divided between several service areas, comprise power transmission line 3 and grounding jumper 4, power transmission line 3 in each interval all arranges control module 6, control module 6 comprises PLC control chip 7, relay summation current transformer 8, series relay I normally closed contact 9 summation current transformer 8 primary side on power transmission line 3, current transformer 8 secondary side one end ground connection, other end access PLC control chip 7 signal input part, PLC control chip 7 one groups of voltage output ends relay I in parallel coil 10, another group voltage output end of PLC control chip 7 relay II in parallel coil 11, on power transmission line, relay I normally closed contact 9 is away from one end access constant current source 12 of current transformer 8, constant current source 12 is electrically connected with electric locomotive 1 by collector bow 2, collector bow 2 two ends shunt voltage transmitter 13, voltage transmitter 13 is connected with relay II open contact 14, relay II open contact 14 accesses another signal input part of PLC control chip 7, electric locomotive 1 starting switch 15 is set to single pole double throw switch, and single pole double throw switch series electric motor vehicle electric circuit 16, forms C/LOOP with collector bow 2, another side series inductance 5, form C/LOOP with collector bow 2.
Wherein, described constant current source electric current is 0.8-1.5A, and power is 5-8W, can set, and the magnitude of voltage collected when voltage transmitter is greater than the voltage output that 3V can trigger PLC control chip stopping voltage output end; Control module 6 is arranged on below power transmission line 3, prevents control module 6 from stopping the normal operation of collector bow 2 on air wire.
When electric locomotive running state, air wire supply regular power, and by collector bow 2 for electric locomotive 1 provides operation power supply, when electric locomotive 1 needs to stop transport, driver is left behind electric locomotive starting switch 15, electric locomotive used electric line 16 is separated with collector bow 2, stop power supply, now, only there is voltage on tunnel to power transmission line 3, no current, correspondingly, current transformer 8 mouth does not have electric current to export, PLC control chip 8 signal input part receives 0 signal, trigger voltage mouth output voltage signal, attracting electric relay I coil 10 and relay II coil 11, relay I normally closed contact 9 disconnects, current supply circuit on power transmission line 3 disconnects, air wire stops powering to electric locomotive 1, simultaneously, relay II open contact 14 closes, voltage transmitter 13 gathers the voltage at electric locomotive 1 two ends and is sent to PLC control chip 7.After starting switch 15 of leaving behind, inductance 5 loop that electric locomotive 1 is arranged is switched on, because inductance resistance is very little, the electric locomotive both end voltage value that voltage transmitter 13 collects is also very little, after PLC control chip 7 receives this voltage data, do not do any action, until electric locomotive 1 needs again to start, pull on starting switch 15, electric locomotive used electric line 16 is connected, constant current source 12 electric current I and power P constant, electric locomotive 1 both end voltage increases, theoretical value is P/I, now, PLC control chip 7 voltage output end is output voltage no longer externally, relay I normally closed contact 9 closes again, power transmission line 3 starts power supply, power supply is provided for electric locomotive 1 normally runs, relay II open contact 14 disconnects, PLC control chip 7 stops receiver voltage signal.
In actual applications, PLC control chip 7 can adopt conventional Siemens, Mitsubishi's series, disclosed in it, technical materials is very complete, and the PLC control chip control program used for reaching technique effect belongs to general knowledge as well known to those skilled in the art, without the need to carrying out any improvement.
Claims (3)
1. an air wire auto switching electric system, electric locomotive (1) is connected with air wire by collector bow (2), air wire is divided between several service areas, comprise power transmission line (3) and grounding jumper (4), it is characterized in that, power transmission line (3) in each interval all arranges control module (6), control module (6) comprises PLC control chip (7), relay summation current transformer (8), upper series relay I normally closed contact (9) summation current transformer (8) primary side of power transmission line (3), current transformer (8) secondary side one end ground connection, other end access PLC control chip (7) signal input part, PLC control chip (7) one groups of voltage output ends relay I coil (10) in parallel, another group voltage output end of PLC control chip (7) relay II coil (11) in parallel, the upper relay I normally closed contact (9) of power transmission line (3) is away from one end access constant current source (12) of current transformer (8), constant current source (12) is electrically connected with electric locomotive (1) by collector bow (2), collector bow (2) two ends shunt voltage transmitter (13), voltage transmitter (13) is connected with relay II open contact (14), relay II open contact (14) access PLC control chip (7) another signal input part, electric locomotive (1) starting switch (15) is set to single pole double throw switch, single pole double throw switch is series electric motor vehicle electric circuit (16) on one side, C/LOOP is formed with collector bow (2), another side series inductance (5), forms C/LOOP with collector bow (2).
2. air wire auto switching electric system according to claim 1, is characterized in that, described constant current source (12) electric current is 0.8-1.5A, and power is 5-8W.
3. air wire auto switching electric system according to claim 1, is characterized in that, described control module (6) is arranged on power transmission line (3) below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410374498.8A CN104118334B (en) | 2014-07-31 | 2014-07-31 | Air wire auto switching electric system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410374498.8A CN104118334B (en) | 2014-07-31 | 2014-07-31 | Air wire auto switching electric system |
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| Publication Number | Publication Date |
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| CN104118334A CN104118334A (en) | 2014-10-29 |
| CN104118334B true CN104118334B (en) | 2016-04-27 |
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| CN201410374498.8A Expired - Fee Related CN104118334B (en) | 2014-07-31 | 2014-07-31 | Air wire auto switching electric system |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105137865A (en) * | 2015-08-08 | 2015-12-09 | 湖南南电电气有限公司 | Safe energy-saving controller |
| CN109291942B (en) * | 2018-08-03 | 2021-02-12 | 济宁学院 | Method for automatically stopping and transmitting power of trolley locomotive |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2779392B1 (en) * | 1998-06-04 | 2004-01-23 | Cegelec Sa | GROUND SUPPLY SYSTEM FOR ELECTRIC VEHICLE AND VEHICLE EQUIPPED TO USE SUCH A SYSTEM |
| FR2800020B1 (en) * | 1999-10-25 | 2003-10-03 | Alstom | STATIC GROUND SUPPLY SYSTEM FOR ELECTRIC VEHICLE AND ELECTRIC VEHICLE FOR SUPPLY USING SUCH A SUPPLY SYSTEM |
| JP4145456B2 (en) * | 2000-01-31 | 2008-09-03 | 日本信号株式会社 | Automatic train control equipment ground equipment |
| CN1787349A (en) * | 2005-12-10 | 2006-06-14 | 陈广华 | Vacuum electronic auto-power-cutting switch |
| CN101402323B (en) * | 2008-10-15 | 2010-06-30 | 江南大学 | Automatic electric power supply control device of electronic electric vehicle contact wire |
| CN201506266U (en) * | 2009-10-16 | 2010-06-16 | 江西稀有稀土金属钨业集团有限公司 | Automatic power-on and power-off device for electric locomotive stringing |
| CN203995748U (en) * | 2014-07-31 | 2014-12-10 | 山东华联矿业股份有限公司 | Air wire auto switching electric system |
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| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Xinde Inventor after: Li Xuesong Inventor after: Fan Haitao Inventor after: Liu Fusheng Inventor before: Zhao Zunxing Inventor before: Zheng Xiangcheng Inventor before: Chen Gang Inventor before: Song Shangmin |
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Effective date of registration: 20160329 Address after: 255086 Shandong city of Zibo province high tech Zone Yihe Garden District 12 Building 5 unit 1 floor West households Applicant after: SHANDONG HUALIAN MINING CO., LTD. Address before: 256119 Zibo County, Shandong City, east of the town of Yiyuan Applicant before: Shandong Hualian Mining Co., Ltd. |
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Granted publication date: 20160427 Termination date: 20200731 |