CN109383298A - A kind of urban tram operating side automatic switching method - Google Patents

A kind of urban tram operating side automatic switching method Download PDF

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Publication number
CN109383298A
CN109383298A CN201710664411.4A CN201710664411A CN109383298A CN 109383298 A CN109383298 A CN 109383298A CN 201710664411 A CN201710664411 A CN 201710664411A CN 109383298 A CN109383298 A CN 109383298A
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China
Prior art keywords
operating side
conversion
relay
switching method
automatic switching
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Granted
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CN201710664411.4A
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Chinese (zh)
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CN109383298B (en
Inventor
王文
白晶
常健
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CRRC Datong Co Ltd
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CRRC Datong Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L1/00Supplying electric power to auxiliary equipment of vehicles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L3/00Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2200/00Type of vehicles
    • B60L2200/26Rail vehicles

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The present invention provides a kind of urban tram operating side automatic switching method, and the present invention is directed to by the urban tram field of Electrical key control battery investment and excision.It takes into account and still meets operating side automatic conversion under network failure situation, the present invention relies primarily on hardware circuitry and realizes tramcar operating side automatic conversion.End time-delay relay is changed by the activation of operating side switching button, while operating side switching button indicator light is lit, and driver is prompted to carry out operating side conversion.End time-delay relay control battery contactor is changed to be kept within the set time to all load supplyings.After the activation of another operating side, operating side conversion process terminates.Largely improve the convenience of driver operation.

Description

A kind of urban tram operating side automatic switching method
Technical field
The present invention relates to a kind of urban tram operating side automatic switching methods, belong to Electrical key control battery and throw The urban tram field for entering or cutting off.
Background technique
The reason of tramcar belongs to rail vehicle, is limited by track, tramcar cannot turn, and due to safety concerns It is unable to backward running again.Therefore, tramcar is runed when running to terminal or midway changes traffic direction for some reason Hold conversion operation.
Currently, domestic city tramcar does not have operating side auto-conversion function mostly, even if part tramcar has There is the function, and realized by network, when tramcar network failure enters emergency running mode, which will be complete Full failure.It will lead to the cumbersome of driver operation in this way, guest room illumination, the interruption of air-conditioning and vehicle entertainment system in the case of carrying, The drawbacks such as the meaningless increase of electricity piece start-stop time and then influence device lifetime.
Summary of the invention
In view of the above-mentioned problems, the present invention provides a kind of urban tram operating side automatic switching method.In view of network Influence of the failure to route, the design are realized the automatic conversion of operating side by hardware circuitry completely.
A kind of urban tram operating side automatic switching method, the specific steps are, step 101, when there is 1 operating side quilt Activation and train remains static down, driver operation operating side switching button, changes end time-delay relay and is activated and starts 300s Countdown, while operating side conversion indicator light is lit, and driver is prompted currently to carry out operating side conversion work;
Step 102, at this time driver disconnect operating side and activate key, and train all devices maintain the working condition before disconnected key (if subsystem failure itself itself can be protected), battery contactor maintains work, department by changing end time-delay relay Machine need to activate another operating side in 300s, and operating side conversion process terminates at this time, while operating side conversion indicator light extinguishes;
If step 103, driver does not activate another operating side in 300s, operating side conversion function will fail.For The considerations of sub-system is protected, all subsystems with control function will stop working, and only lighting system be maintained to work normally, if Still without activation operating side in 30s, full column will power-off.If battery voltage is lower than 77V in the conversion process of operating side, train will be straight It taps into and powers off countdown into 30s;
A kind of urban tram operating side automatic switching method, this method by hardware circuitry realize operating side from turn It changes, and all devices work normally (except equipment faults itself) in conversion process, the time for reaching setting remains unfulfilled operation End conversion, all devices stop working, and circuit includes trigger circuit, holding circuit and end circuit composition;
Trigger circuit by the button of Self-resetting tape light, zero speed relay contact, change end time-delay relay form;
Holding circuit is by changing end time-delay relay contact, voltage relay, battery retention time relay and battery Contactor composition;
Terminate circuit to be made of operating side activation key and its end activation relay.
The hardware circuitry from voltage relay, change end time-delay relay and battery retention time relay superposition with It uses.
The indicator light (button is included) is lighted by the same contact for changing end time-delay relay.
The voltage relay judges that voltage value lower than setting value, will stop operating side conversion.
The conversion method need to be completed in operating side conversion in 300s, if the subsystem of associated band control function cannot be completed It will stop working, and only retain lighting system and maintain work 30 again.
Detailed description of the invention
In order to illustrate the embodiments of the present invention more clearly, simple be situated between will be made to attached drawing used in embodiment below It continues.
Fig. 1 is a kind of urban tram operating side automatic switching method flow chart of the present invention;
Fig. 2 is operating side and the battery control of a kind of urban tram operating side automatic switching method of the present invention Schematic diagram processed;
Fig. 3 is that a kind of operating side activation control of urban tram operating side automatic switching method of the present invention is former Reason figure.
Specific embodiment
Understand to make the objectives, technical solutions, and advantages of the present invention clearer, With reference to embodiment and Attached drawing is described in further details the present invention.Here, exemplary embodiment and its explanation of the invention are for explaining this hair It is bright.
As shown in Figure 1-3, a kind of urban tram operating side automatic switching method, step 101, when there is 1 operating side It is activated and train remains static down, driver operation operating side switching button changes end time-delay relay and is activated beginning 300s countdown, while operating side conversion indicator light is lit, and driver is prompted currently to carry out operating side conversion work.
Step 102, at this time driver disconnect operating side and activate key, and train all devices maintain the working condition before disconnected key (if subsystem failure itself itself can be protected), battery contactor maintains work by changing end time-delay relay.Department Machine need to activate another operating side in 300s, and operating side conversion process terminates at this time, while operating side conversion indicator light extinguishes.
If step 103, driver does not activate another operating side in 300s, operating side conversion function will fail.For The considerations of sub-system is protected, all subsystems with control function will stop working, and only lighting system be maintained to work normally, if Still without activation operating side in 30s, full column will power-off.If battery voltage is lower than 77V in the conversion process of operating side, train will be straight It taps into and powers off countdown into 30s.
This method is realized the automatic conversion of operating side by hardware circuitry, and all devices normal work (is set in conversion process Except standby faults itself), the time for reaching setting remains unfulfilled operating side conversion, and all devices stop working, and circuit includes touching Power Generation Road, holding circuit and end circuit composition;
Trigger circuit by the button of Self-resetting tape light, zero speed relay contact, change end time-delay relay form;
Holding circuit is by changing end time-delay relay contact, voltage relay, battery retention time relay and battery Contactor composition;
Terminate circuit to be made of operating side activation key and its end activation relay.
The hardware circuitry from voltage relay, change end time-delay relay and battery retention time relay superposition with It uses.
The indicator light (button is included) is lighted by the same contact for changing end time-delay relay.
The voltage relay judges that voltage value lower than setting value, will stop operating side conversion.
The conversion method need to be completed in operating side conversion in 300s, if the subsystem of associated band control function cannot be completed It will stop working, and only retain lighting system and maintain work 30 again.
As shown in Fig. 2, the button of Self-resetting tape light is SB-ATCE, zero speed relay contact is KA-0SPEED, changes End time-delay relay is KT-ATCE, voltage relay KA-BAL, battery retention time relay are KT-BA, battery connects Tentaculum is KM-BA;
As shown in figure 3, operating side activation key is SA-PS, its end activation relay is KA-CABO, local terminal activates relay Device is KA-CAB1.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications It should be regarded as protection scope of the present invention.

Claims (6)

1. a kind of urban tram operating side automatic switching method, which is characterized in that this method specifically includes:
Step 101,1 operating side is activated and train remains static down when having, and driver operation operating side switching button changes End time-delay relay, which is activated, starts 300s countdown, while operating side conversion indicator light is lit, and driver is prompted currently to carry out Operating side conversion work;
Step 102, at this time driver disconnect operating side and activate key, train all devices maintain the working condition before disconnected key (if Subsystem failure itself itself can be protected), battery contactor maintains work, Si Jixu by changing end time-delay relay Another operating side is activated in 300s, operating side conversion process terminates at this time, while operating side conversion indicator light extinguishes;
If step 103, driver does not activate another operating side in 300s, operating side conversion function will fail.For antithetical phrase The considerations of system protection, all subsystems with control function will stop working, and only lighting system be maintained to work normally, if 30s It is interior still without activation operating side, full column will power-off.If battery voltage is lower than 77V in the conversion process of operating side, train will be direct Countdown is powered off into 30s.
2. a kind of urban tram operating side automatic switching method according to claim 1, which is characterized in that further include:
The automatic conversion of operating side is realized by hardware circuitry, and all devices work normally (equipment faults itself in conversion process Except), the time for reaching setting remains unfulfilled operating side conversion, and all devices stop working, and circuit includes trigger circuit, keeps Circuit and end circuit composition;
Trigger circuit by the button of Self-resetting tape light, zero speed relay contact, change end time-delay relay form;
Holding circuit is contacted by changing end time-delay relay contact, voltage relay, battery retention time relay and battery Device composition;
Terminate circuit to be made of operating side activation key and its end activation relay.
3. a kind of urban tram operating side automatic switching method according to claim 2, which is characterized in that the rigid line electricity Routing voltage relay changes and time-delay relay and the superposition of battery retention time relay is held to be used cooperatively.
4. a kind of urban tram operating side automatic switching method according to claim 2, which is characterized in that the indicator light (button is included) is lighted by the same contact for changing end time-delay relay.
5. a kind of urban tram operating side automatic switching method according to claim 2, which is characterized in that the voltage after Electric appliance judges that voltage value lower than setting value, will stop operating side conversion.
6. a kind of urban tram operating side automatic switching method according to claim 1, which is characterized in that further include, it should Conversion method need to be completed in operating side conversion in 300s, will stop work if the subsystem of associated band control function cannot be completed Make, only retains lighting system and maintain work 30 again.
CN201710664411.4A 2017-08-04 2017-08-04 Automatic switching method for operation terminal of urban tramcar Active CN109383298B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109866785A (en) * 2019-03-28 2019-06-11 中车株洲电力机车有限公司 A kind of train changes end method, system and train
CN110962871A (en) * 2019-11-25 2020-04-07 中车南京浦镇车辆有限公司 Urban rail vehicle forward turning zero-speed keeping device and control method
CN112848897A (en) * 2019-11-27 2021-05-28 中车唐山机车车辆有限公司 High-voltage holding circuit for end changing of tramcar, high-voltage holding control method and application
WO2023050962A1 (en) * 2021-09-29 2023-04-06 中车株洲电力机车有限公司 Train end change holding control circuit, rail transit vehicle and coupled trains

Citations (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0410617A2 (en) * 1989-07-25 1991-01-30 Jaguar Cars Limited Electrical supply control system for a motor vehicle
JPH0690509A (en) * 1992-09-07 1994-03-29 Toshiba Corp Train dispatcher transmitting device
CN1238588A (en) * 1998-04-29 1999-12-15 洛克希德马丁公司 Control system for, in presence of varying system load, establishing generator current to maintain particular battery charge state
DE50103042D1 (en) * 2000-11-28 2004-09-02 Knorr Bremse Systeme ARRANGEMENT OF A DRYING COMPRESSOR ON A VEHICLE
CN1873563A (en) * 2006-06-27 2006-12-06 株洲南车时代电气股份有限公司 Uninterrupted control system, and uninterrupted switching circuit
CN201901137U (en) * 2010-12-20 2011-07-20 中国北车集团大连机车车辆有限公司 Safety operation control device for locomotive
EP2476573A2 (en) * 2011-01-14 2012-07-18 John Kinghorn Energy management system for trains with flexible formations incorporating regenerative braking
US20120306267A1 (en) * 2009-11-17 2012-12-06 Andre Micko Device for minimizing the current consumption of a motor vehicle generator from the battery during the starting phase of the motor vehicle
CN103318195A (en) * 2013-07-08 2013-09-25 中国北车集团大同电力机车有限责任公司 Circuit and method for realizing operation maintenance of pantograph of electric locomotive
CN103600663A (en) * 2013-12-02 2014-02-26 南车株洲电力机车有限公司 Pantograph control circuit and pantograph rising retaining circuit of double-end cab direct current locomotive
CN104477174A (en) * 2014-11-17 2015-04-01 中国北车集团大同电力机车有限责任公司 In-warehouse locomotive movement implementation system for electric locomotive
CN104554300A (en) * 2014-11-27 2015-04-29 南车青岛四方机车车辆股份有限公司 Switching circuit capable of realizing reconnection of any end of train
CN204458170U (en) * 2014-12-23 2015-07-08 太原轨道交通装备有限责任公司 Before and after a kind of, driving position changes end operation protection circuit
CN104820378A (en) * 2015-04-13 2015-08-05 南车株洲电力机车有限公司 Train activation control circuit and system
CN204567331U (en) * 2015-03-20 2015-08-19 北车兰州机车有限公司 Industrial-mineral electric locomotive electric supply installation
CN104859669A (en) * 2015-06-09 2015-08-26 南车株洲电力机车有限公司 System for cutting off traction converters
CN105460025A (en) * 2014-09-12 2016-04-06 中车大连电力牵引研发中心有限公司 End change control method and control system for electric locomotive
CN105539464A (en) * 2016-01-29 2016-05-04 中车株洲电力机车有限公司 Activating and sleeping control circuit of urban rail train
CN205273462U (en) * 2016-01-12 2016-06-01 济南轨道交通装备有限责任公司 A integrated electric control system that is used for subway contact net to synthesize operation car
CN105790419A (en) * 2016-03-09 2016-07-20 中车青岛四方机车车辆股份有限公司 Auxiliary power supply device for motor train unit
CN106681414A (en) * 2015-11-10 2017-05-17 台湾积体电路制造股份有限公司 Level conversion circuit and voltage level conversion method
CN206781748U (en) * 2017-03-09 2017-12-22 中车株洲电力机车有限公司 A kind of disconnected activation delay power-supplying circuit of train and train

Patent Citations (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0410617A2 (en) * 1989-07-25 1991-01-30 Jaguar Cars Limited Electrical supply control system for a motor vehicle
JPH0690509A (en) * 1992-09-07 1994-03-29 Toshiba Corp Train dispatcher transmitting device
CN1238588A (en) * 1998-04-29 1999-12-15 洛克希德马丁公司 Control system for, in presence of varying system load, establishing generator current to maintain particular battery charge state
DE50103042D1 (en) * 2000-11-28 2004-09-02 Knorr Bremse Systeme ARRANGEMENT OF A DRYING COMPRESSOR ON A VEHICLE
CN1873563A (en) * 2006-06-27 2006-12-06 株洲南车时代电气股份有限公司 Uninterrupted control system, and uninterrupted switching circuit
US20120306267A1 (en) * 2009-11-17 2012-12-06 Andre Micko Device for minimizing the current consumption of a motor vehicle generator from the battery during the starting phase of the motor vehicle
CN201901137U (en) * 2010-12-20 2011-07-20 中国北车集团大连机车车辆有限公司 Safety operation control device for locomotive
EP2476573A2 (en) * 2011-01-14 2012-07-18 John Kinghorn Energy management system for trains with flexible formations incorporating regenerative braking
CN103318195A (en) * 2013-07-08 2013-09-25 中国北车集团大同电力机车有限责任公司 Circuit and method for realizing operation maintenance of pantograph of electric locomotive
CN103600663A (en) * 2013-12-02 2014-02-26 南车株洲电力机车有限公司 Pantograph control circuit and pantograph rising retaining circuit of double-end cab direct current locomotive
CN105460025A (en) * 2014-09-12 2016-04-06 中车大连电力牵引研发中心有限公司 End change control method and control system for electric locomotive
CN104477174A (en) * 2014-11-17 2015-04-01 中国北车集团大同电力机车有限责任公司 In-warehouse locomotive movement implementation system for electric locomotive
CN104554300A (en) * 2014-11-27 2015-04-29 南车青岛四方机车车辆股份有限公司 Switching circuit capable of realizing reconnection of any end of train
CN204458170U (en) * 2014-12-23 2015-07-08 太原轨道交通装备有限责任公司 Before and after a kind of, driving position changes end operation protection circuit
CN204567331U (en) * 2015-03-20 2015-08-19 北车兰州机车有限公司 Industrial-mineral electric locomotive electric supply installation
CN104820378A (en) * 2015-04-13 2015-08-05 南车株洲电力机车有限公司 Train activation control circuit and system
CN104859669A (en) * 2015-06-09 2015-08-26 南车株洲电力机车有限公司 System for cutting off traction converters
CN106681414A (en) * 2015-11-10 2017-05-17 台湾积体电路制造股份有限公司 Level conversion circuit and voltage level conversion method
CN205273462U (en) * 2016-01-12 2016-06-01 济南轨道交通装备有限责任公司 A integrated electric control system that is used for subway contact net to synthesize operation car
CN105539464A (en) * 2016-01-29 2016-05-04 中车株洲电力机车有限公司 Activating and sleeping control circuit of urban rail train
CN105790419A (en) * 2016-03-09 2016-07-20 中车青岛四方机车车辆股份有限公司 Auxiliary power supply device for motor train unit
CN206781748U (en) * 2017-03-09 2017-12-22 中车株洲电力机车有限公司 A kind of disconnected activation delay power-supplying circuit of train and train

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
宋夕政等: "HXD3D型电力机车换端功能的研究与实现", 《铁道机车车辆》 *
梁全德: "DF4系列机车换端控制电路的改进", 《内燃机车》 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109866785A (en) * 2019-03-28 2019-06-11 中车株洲电力机车有限公司 A kind of train changes end method, system and train
CN110962871A (en) * 2019-11-25 2020-04-07 中车南京浦镇车辆有限公司 Urban rail vehicle forward turning zero-speed keeping device and control method
CN110962871B (en) * 2019-11-25 2021-01-26 中车南京浦镇车辆有限公司 Urban rail vehicle forward turning zero-speed keeping device and control method
CN112848897A (en) * 2019-11-27 2021-05-28 中车唐山机车车辆有限公司 High-voltage holding circuit for end changing of tramcar, high-voltage holding control method and application
CN112848897B (en) * 2019-11-27 2022-05-27 中车唐山机车车辆有限公司 High-voltage holding circuit for end changing of tramcar, high-voltage holding control method and application
WO2023050962A1 (en) * 2021-09-29 2023-04-06 中车株洲电力机车有限公司 Train end change holding control circuit, rail transit vehicle and coupled trains

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