CN114069588B - External power supply control circuit of emergency lift bow pump of rail transit vehicle - Google Patents
External power supply control circuit of emergency lift bow pump of rail transit vehicle Download PDFInfo
- Publication number
- CN114069588B CN114069588B CN202111312153.6A CN202111312153A CN114069588B CN 114069588 B CN114069588 B CN 114069588B CN 202111312153 A CN202111312153 A CN 202111312153A CN 114069588 B CN114069588 B CN 114069588B
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- Prior art keywords
- power supply
- emergency
- external power
- vehicle
- bow
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- 238000013461 design Methods 0.000 description 5
- 238000005086 pumping Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J1/00—Circuit arrangements for DC mains or DC distribution networks
- H02J1/001—Hot plugging or unplugging of load or power modules to or from power distribution networks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION 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
- B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
- B60L5/18—Current collectors for power supply lines of electrically-propelled vehicles using bow-type collectors in contact with trolley wire
- B60L5/22—Supporting means for the contact bow
- B60L5/28—Devices for lifting and resetting the collector
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
An emergency bow-raising pump external power supply control circuit of a rail transit vehicle is characterized in that an emergency bow-raising power supply socket and a key switch are arranged in a passenger room of the vehicle, the emergency bow-raising key switch is connected with the anodes of two parallel external power supply switching contactor coils, and the cathodes of the two external power supply switching contactor coils are connected with the cathodes of the emergency bow-raising power supply socket; the normally-closed contacts of the two external power supply switching contactors are connected between the electric pump control circuit breaker and the normally-open contact of the electric pump contactor, and the normally-open contacts of the two external power supply switching contactors are connected between the emergency bow-raising power supply socket and the normally-open contact of the electric pump contactor; the negative pole of the vehicle power supply is led between the normally open contacts of the two external power supply switching contactors. The invention realizes the switching between the normal power supply of the vehicle control power supply and the non-control power supply of the vehicle, provides the lifting control power supply and the lifting pump power supply for the train which cannot lift the bow normally due to the undervoltage of the total wind and the undervoltage of the storage battery, and further improves the utilization efficiency of the vehicle.
Description
Technical Field
The invention relates to the technical field of pantograph control of rail transit vehicles, in particular to an external power supply control circuit of an emergency pantograph lifting pump.
Background
In actual operation of a vehicle, when the total wind pressure of the vehicle cannot meet the pantograph lifting requirement, in the design scheme of the existing project, the pantograph lifting current receiving is realized in two ways: firstly, a pedal bow-lifting pump configured for a vehicle is manually operated by a driver, a passenger or a maintenance personnel, and a pedal inflation mode is utilized to provide a wind source for a pantograph so as to lift the pantograph, so that the mode is long in time consumption and low in efficiency, and has a large influence on the operation of the vehicle; and secondly, an electric pantograph lifting pump is arranged on the vehicle, and a direct-current 110V power supply of the vehicle supplies power to the pantograph lifting pump to provide a wind source for the pantograph. Meanwhile, whether the wind pressure meets the bow lifting condition is judged through the pressure switch, a driver is guided to lift the bow, the operation efficiency of the mode is high, but when the vehicle cannot provide a direct current 110V power supply, the vehicle cannot lift the bow normally, the vehicle is rescued, and the actual operation is greatly affected.
Disclosure of Invention
The invention aims to provide an external power supply scheme of an emergency bow-raising pump of a railway vehicle and a switching method of a vehicle power supply and an external power supply, which solve the problem of emergency bow raising of the vehicle in a total wind low-voltage and no-power state, further reduce the risk of rescuing the vehicle and improve the vehicle utilization rate and the positive line operation efficiency.
In order to achieve the above purpose, the invention provides an external power supply control circuit of an emergency bow-raising pump of a rail transit vehicle, which comprises a vehicle power supply, an electric pump control circuit breaker, an electric pump contactor, an emergency electric pump and a pressure switch, and is characterized in that: an emergency bow-raising power supply socket and an emergency bow-raising key switch are arranged below a seat of a passenger room of the vehicle, which is close to a gate, and are used for leading a direct-current power supply on a platform to the vehicle; the emergency bow-raising key switch is connected with the anodes of the two parallel external power supply switching contactor coils, and the cathodes of the two parallel external power supply switching contactor coils are connected with the cathodes of the emergency bow-raising power supply socket; the normally-closed contacts of the two external power supply switching contactors are connected between the electric pump control circuit breaker and the normally-open contact of the electric pump contactor, and the normally-open contacts of the two external power supply switching contactors are connected between the emergency bow-raising power supply socket and the normally-open contact of the electric pump contactor; the positive pole of the vehicle power supply is connected with the emergency bow-lifting key switch in series, and the negative pole of the vehicle power supply is led to the position between the normally open contacts of the two external power supply switching contactors.
Under the normal power supply condition of a vehicle control power supply, the two external power supply switching contactors are not electrified, and the vehicle power supply realizes the control of the emergency electric pump through the normally closed contacts of the two external power supply switching contactors. Under the premise that the vehicle does not have a control power supply, the external control power supply of the vehicle is led to the vehicle through the emergency lifting bow power supply socket, the emergency lifting bow key switch is operated, the two external power supply switching contactors are electrified, and the normally open contact and the normally closed contact of the external power supply switching contactors are closed, so that the vehicle control power supply is cut off, and the external control power supply is used for controlling the vehicle.
The invention leads the platform direct current 110V power supply to the vehicle, skillfully realizes the switching between the normal power supply of the vehicle control power supply and the non-control power supply of the vehicle by the power supply socket, the key switch and the external power supply switching contactor, and provides the power supply of the lifting control power supply and the lifting pump for the train which cannot lift the bow normally due to the undervoltage of the total wind and the undervoltage of the storage battery. Is an effective supplement to the two existing schemes at present, and further improves the utilization efficiency of the vehicle. The scheme of the invention is applied to the airport line vehicles of Jilong slope in Malaysia for the first time, and is verified by relevant test experiments, and the effect is good.
Drawings
FIG. 1 is a schematic diagram of a vehicle power control path for an emergency arch pump power supply circuit;
fig. 2 is a schematic diagram of an external power control path of the emergency arch pump power supply circuit vehicle.
Detailed Description
Referring to fig. 1, the specific embodiment of the invention comprises a vehicle power supply, an electric pump control circuit breaker, an electric pump contactor, an emergency electric pump, a pressure switch, an emergency power supply jack, an emergency power supply key switch, two parallel external power supply switching contactors 1 and an external power supply switching contactor 2, wherein the emergency power supply jack and the emergency power supply key switch are arranged below a seat of a passenger room of the vehicle, which is close to a door, and are used for leading a direct current power supply on a platform to the vehicle; the anodes of the two parallel external power supply switching contactor coils are connected with an emergency bow-raising key switch, and the cathodes of the two parallel external power supply switching contactor coils are connected with the cathodes of an emergency bow-raising power supply socket; the normally-closed contacts of the two external power supply switching contactors are connected between the electric pump control circuit breaker and the normally-open contact of the electric pump contactor, and the normally-open contacts of the two external power supply switching contactors are connected between the emergency bow-raising power supply socket and the normally-open contact of the electric pump contactor; the negative pole of the vehicle power supply is led between the normally open contacts of the two external power supply switching contactors.
Under the condition that the vehicle power supply of fig. 1 works normally, the left vehicle power supply 101c supplies power to the electric pump contactor through the serial emergency bow-raising key switch and the pressure switch; the right-side vehicle power supply 101b is connected with the normally closed contacts of the external power supply switching contactor 1 and the external power supply switching contactor 2 in series through the electric pump control circuit breaker, and simultaneously is connected with the two pairs of normally open contacts of the electric pump contactor in series, so that power supply for the emergency electric pump is realized. When the pressure switch detects that the lifting bow pressure is lower than 6.55bar, the left loop is conducted, the electric pump contactor is powered on, the normally open contacts of the two pairs of electric pump contactors of the right loop are closed, the emergency electric pump is powered on, and the air pumping is normally operated. When the pressure switch detects that the lifting bow pressure is higher than 7.35bar, the left loop is disconnected, the electric pump contactor is powered off, the normally open contacts of the two pairs of electric pump contactors of the right loop are disconnected, the emergency electric pump is powered off, and the electric pump stops pumping.
Referring to fig. 2, an emergency pantograph lifting pump power supply design scheme controls signal power flow direction of an external power supply of a vehicle, and the circuit introduces the external power supply of the vehicle through an emergency pantograph lifting power supply socket arranged below a seat of a passenger room of the vehicle close to a door opening, so as to provide an emergency power supply for an emergency electric pump of the vehicle and achieve the purpose of lifting a pantograph of the vehicle in an emergency manner. The external power supply is led into the vehicle power supply 101a through an emergency lifting bow power supply socket, and the left path is connected with an emergency lifting bow key switch and a pressure switch in series to supply power to the electric pump contactor, the external power supply switching contactor 1 and the external power supply switching contactor 2; meanwhile, the external power supply 101a supplies power to the emergency electric pump through the normally open contacts of the serial external power supply switching contactor 1 and the external power supply switching contactor 2 and the two pairs of normally open contacts of the electric pump contactor. When the emergency lift key switch is operated to the contact 1.2 position, the wire number 102 is powered; when the pressure switch detects that the lifting bow pressure is lower than 6.55bar, the left loop is conducted, the electric pump contactor, the external power supply switching contactor 1 and the external power supply switching contactor 2 are powered on, normally open contacts of the upper loop external power supply switching contactor 1 and the external power supply switching contactor 2 are closed, normally closed contacts of the right loop external power supply switching contactor 1 and the external power supply switching contactor 2 are disconnected, isolation is achieved with a vehicle power supply loop, the normally open contacts of the two pairs of electric pump contactors are closed, the emergency electric pump is powered on, and the air pumping is normally operated. When the pressure switch detects that the lifting bow pressure is higher than 7.35bar, the left loop is disconnected, the electric pump contactor, the external power supply switching contactor 1 and the external power supply switching contactor 2 are powered off, the normally open contacts of the upper loop external power supply switching contactor 1 and the external power supply switching contactor 2 are disconnected, the normally open contacts of the two pairs of electric pump contactors on the right loop are disconnected, the emergency electric pump is powered off, and the electric pump stops pumping.
The invention has the innovation point that the design scheme of switching the internal power supply and the external power supply of the emergency bow-raising pump of the rail transit vehicle is innovatively realized through the collocation design of the emergency bow-raising key, the switch, the external power supply contactor coil and the contact. The design of the circuit has been verified and tested in the airport line train of Jilong slope in Malaysia, and the effect is good.
Component type selection table:
| name of the name | Model number | Manufacturer' s |
| Key switch for emergency raising bow | XD6002-1/S0V750D/FT2 | EAO |
| External power supply switching contactor 1, 2 | LC1-D098FDC | SCHNEIDER |
| Electric pump contactor | LC1-DT20FDC | SCHNEIDER |
| Electric pump control circuit breaker | AD2S-Q8-LK-DN-D-NC-16-20 | EATON |
| Emergency electric pump | LP115 | KNORR |
Claims (2)
1. The utility model provides an external power supply control circuit of rail transit vehicle emergency lift bow pump, includes vehicle power, electric pump control circuit breaker, electric pump contactor, emergent electric pump, pressure switch, its characterized in that: an emergency lifting bow power supply socket and an emergency lifting bow key switch are arranged on the vehicle, the emergency lifting bow key switch is connected with the anodes of two parallel external power supply switching contactor coils, and the cathodes of the two parallel external power supply switching contactor coils are connected with the cathodes of the emergency lifting bow power supply socket; the normally-closed contacts of the two external power supply switching contactors are connected between the electric pump control circuit breaker and the normally-open contact of the electric pump contactor, and the normally-open contacts of the two external power supply switching contactors are connected between the emergency bow-raising power supply socket and the normally-open contact of the electric pump contactor; the positive pole of the vehicle power supply is connected with the emergency bow-lifting key switch in series, and the negative pole of the vehicle power supply is led to the position between the normally open contacts of the two external power supply switching contactors.
2. The external power supply control circuit for an emergency bow pump of a rail transit vehicle according to claim 1, wherein: the emergency bow-raising power supply socket and the emergency bow-raising key switch are arranged below a seat of a passenger room of the vehicle close to a doorway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111312153.6A CN114069588B (en) | 2021-11-08 | 2021-11-08 | External power supply control circuit of emergency lift bow pump of rail transit vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111312153.6A CN114069588B (en) | 2021-11-08 | 2021-11-08 | External power supply control circuit of emergency lift bow pump of rail transit vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114069588A CN114069588A (en) | 2022-02-18 |
| CN114069588B true CN114069588B (en) | 2024-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111312153.6A Active CN114069588B (en) | 2021-11-08 | 2021-11-08 | External power supply control circuit of emergency lift bow pump of rail transit vehicle |
Country Status (1)
| Country | Link |
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| CN (1) | CN114069588B (en) |
Citations (21)
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|---|---|---|---|---|
| KR20000045994A (en) * | 1998-12-31 | 2000-07-25 | 추호석 | Pantograph control circuit by earth switch |
| RU29620U1 (en) * | 2003-02-13 | 2003-05-20 | Открытое акционерное общество "Чебоксарский электроаппаратный завод" | Submersible Pump Control Station |
| CN101746273A (en) * | 2010-01-14 | 2010-06-23 | 南车株洲电力机车有限公司 | Electric air supply device for emergent lift of urban rail vehicle and control method corresponding to same |
| JP2010213552A (en) * | 2009-03-12 | 2010-09-24 | Toyota Motor Corp | Power supply unit and failure detection method of the same |
| CN201754521U (en) * | 2010-03-19 | 2011-03-02 | 四川省君诺机械有限公司 | Power transformation and supply system |
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| KR20140145439A (en) * | 2013-06-13 | 2014-12-23 | 현대로템 주식회사 | System and method for auto drop of pantograph |
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| CN109763950A (en) * | 2019-03-14 | 2019-05-17 | 上海地铁维护保障有限公司 | Electric train emergency rising bow electrodynamic pump |
| CN209305368U (en) * | 2018-08-15 | 2019-08-27 | 中车唐山机车车辆有限公司 | Pantograph control system |
| CN110803042A (en) * | 2018-07-18 | 2020-02-18 | 郑州宇通客车股份有限公司 | Charging bow control circuit and method |
| WO2020037774A1 (en) * | 2018-08-21 | 2020-02-27 | 中车南京浦镇车辆有限公司 | Pantograph remote control circuit for unmanned subway train |
| WO2020155629A1 (en) * | 2019-01-31 | 2020-08-06 | 中车株洲电力机车有限公司 | Power supply protection system for garage |
| CN112849220A (en) * | 2021-03-24 | 2021-05-28 | 中车株洲电力机车有限公司 | Urban rail vehicle storage battery feed prevention control method and system |
-
2021
- 2021-11-08 CN CN202111312153.6A patent/CN114069588B/en active Active
Patent Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000045994A (en) * | 1998-12-31 | 2000-07-25 | 추호석 | Pantograph control circuit by earth switch |
| RU29620U1 (en) * | 2003-02-13 | 2003-05-20 | Открытое акционерное общество "Чебоксарский электроаппаратный завод" | Submersible Pump Control Station |
| JP2010213552A (en) * | 2009-03-12 | 2010-09-24 | Toyota Motor Corp | Power supply unit and failure detection method of the same |
| CN101746273A (en) * | 2010-01-14 | 2010-06-23 | 南车株洲电力机车有限公司 | Electric air supply device for emergent lift of urban rail vehicle and control method corresponding to same |
| CN201754521U (en) * | 2010-03-19 | 2011-03-02 | 四川省君诺机械有限公司 | Power transformation and supply system |
| CN203005126U (en) * | 2012-12-07 | 2013-06-19 | 南车株洲电力机车有限公司 | Storage battery and pantograph tractive power supply system for urban rail vehicle |
| CN102991363A (en) * | 2012-12-07 | 2013-03-27 | 南车株洲电力机车有限公司 | Storage battery and pantograph traced power supply system for urban rail vehicle |
| KR20140145439A (en) * | 2013-06-13 | 2014-12-23 | 현대로템 주식회사 | System and method for auto drop of pantograph |
| WO2016082648A1 (en) * | 2014-11-28 | 2016-06-02 | 中车青岛四方机车车辆股份有限公司 | Novel 25kv pantograph control circuit |
| CN105083022A (en) * | 2015-05-28 | 2015-11-25 | 长春轨道客车股份有限公司 | Low-voltage power supply system for motor train unit |
| WO2017143808A1 (en) * | 2016-02-26 | 2017-08-31 | 中车青岛四方机车车辆股份有限公司 | Interlocking control device of multiple-unit train safety circuit |
| WO2017152652A1 (en) * | 2016-03-09 | 2017-09-14 | 中车青岛四方机车车辆股份有限公司 | Motor train unit auxiliary power supply apparatus |
| CN106553552A (en) * | 2016-11-24 | 2017-04-05 | 株洲中车时代电气股份有限公司 | City rail vehicle pantograph and pantagraph current collector switching control system and trailer system |
| CN106505722A (en) * | 2016-11-29 | 2017-03-15 | 中车长春轨道客车股份有限公司 | A kind of external Medium voltage power supply system of EMUs |
| CN110803042A (en) * | 2018-07-18 | 2020-02-18 | 郑州宇通客车股份有限公司 | Charging bow control circuit and method |
| CN108749582A (en) * | 2018-08-01 | 2018-11-06 | 中车大连机车车辆有限公司 | Control method, device and the electric locomotive of electric locomotive power supply |
| CN209305368U (en) * | 2018-08-15 | 2019-08-27 | 中车唐山机车车辆有限公司 | Pantograph control system |
| WO2020037774A1 (en) * | 2018-08-21 | 2020-02-27 | 中车南京浦镇车辆有限公司 | Pantograph remote control circuit for unmanned subway train |
| WO2020155629A1 (en) * | 2019-01-31 | 2020-08-06 | 中车株洲电力机车有限公司 | Power supply protection system for garage |
| CN109763950A (en) * | 2019-03-14 | 2019-05-17 | 上海地铁维护保障有限公司 | Electric train emergency rising bow electrodynamic pump |
| CN112849220A (en) * | 2021-03-24 | 2021-05-28 | 中车株洲电力机车有限公司 | Urban rail vehicle storage battery feed prevention control method and system |
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| CN114069588A (en) | 2022-02-18 |
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