CN109849696B - Control circuit of electric current collector of energy storage low-floor vehicle - Google Patents
Control circuit of electric current collector of energy storage low-floor vehicle Download PDFInfo
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- CN109849696B CN109849696B CN201811422352.0A CN201811422352A CN109849696B CN 109849696 B CN109849696 B CN 109849696B CN 201811422352 A CN201811422352 A CN 201811422352A CN 109849696 B CN109849696 B CN 109849696B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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Abstract
The invention discloses an energy-storage low-floor vehicle electric current collector control circuit, which comprises a cab occupation relay, an auxiliary contact L01 of a lifting-in-place travel switch, an auxiliary contact L02 of a descending-in-place travel switch, a positive and negative motor M in driving connection with a current collector, a diode V01, a lifting-bow self-reset button S01, a lifting-bow self-reset button S02, a lifting current collector relay, a descending current collector relay, a lifting-in-place relay and a descending-in-place relay.
Description
Technical Field
The invention belongs to the field of vehicle circuit control, and particularly relates to an electric current collector control circuit of an energy storage low-floor vehicle.
Background
Energy storage low floor vehicles require a power receiving device to be arranged on the vehicle, and the power receiving device mounted on the roof is generally called a power receiver. The charging rail is arranged in the station area of the running line, and the power receiver is contacted with the charging rail after being lifted to charge the vehicle energy storage device. The current collector may be raised or lowered during the range operation of the vehicle.
As shown in fig. 1, in the prior art, the current collector can only be manually operated to ascend and descend through a flexible shaft. The current collector is provided with a travel switch, and the local indicator lamp is driven to realize the indication of the rising and falling states of the current collector through the on-off of an auxiliary contact of the travel switch. Meanwhile, the state of the current collector is collected through the I/O of the TCMS system and then transmitted to the cab through the network of the TCMS system for display. When the TCMS system of the train breaks down, the train enters an emergency traction mode controlled by a pure hard wire and cannot normally display the ascending and descending states of the current collector.
Disclosure of Invention
The invention aims to provide the control circuit of the electric current collector of the energy-storage low-floor vehicle aiming at the defects of the prior art, and the control circuit improves the convenience of the current collector control by only depending on the mode that a driver manually operates the lifting current collector through a flexible shaft; the control command is transmitted through a full hard wire, the lifting state of the current collector can be displayed on a lifting current collector control button without depending on a TCMS system while the current collector state is displayed on a driver console display screen, and the working reliability is high; meanwhile, the method can meet the requirement of reconnection operation.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a control circuit of an electric current collector of an energy-storage low-floor vehicle comprises a cab occupancy relay, an auxiliary contact L01 of a lifting position travel switch, an auxiliary contact L02 of a lowering position travel switch, and a positive and negative motor M which is connected with the current collector in a driving way, and is characterized in that,
the automatic pantograph lifting and lowering device further comprises a diode V01, a pantograph lifting and lowering self-reset button S01 and a pantograph lowering and lowering self-reset button S02, wherein the pantograph lifting and lowering self-reset button S01 comprises a normally open button S011 and a normally closed button S012 which are linked, the pantograph lowering and lowering self-reset button S02 comprises a normally closed button S021 and a normally open button S022 which are linked,
the cab occupation relay comprises a normally open contact K011 and a normally open contact K012,
the normally open contact K011, the normally open button S011 and the normally closed button S021 are connected in series between a power supply and a pantograph ascending command train line, and the normally open contact K012, the normally closed button S012 and the normally open button S022 are connected in series between the power supply and the pantograph descending command train line;
the system also comprises a current collector lifting relay, a current collector lowering relay, a current collector lifting relay, a current collector lowering relay and a current collector lifting relay; the relay of the power-up and current-receiving device comprises a coil K020, a normally open contact K021, a normally open contact K022 and a normally open contact K023; the relay of the current reducing and receiving device comprises a normally open contact K031, a normally open contact K032 and a normally closed contact K033; the lifting-to-place relay comprises a coil K060 and a normally closed contact K061; the step-down relay comprises a coil K070;
the diode V01 and the normally open contact K023 are connected in series to form a first series branch, and the normally closed contact K033 and the normally closed contact K061 are connected in series to form a second series branch; the power supply is grounded through the first series branch, the second series branch and the coil K020 in sequence;
the power supply, the normally open contact K021, the first end of the positive and negative motor M, the second end of the positive and negative motor M, the normally open contact K022 and the ground are connected into a loop; the power supply, the normally open contact K031, the second end of the positive and negative motor M, the first end of the positive and negative motor M, the normally open contact K032 and the ground are connected into a loop;
the auxiliary contact L01 of the ascending position travel switch and the coil K060 are connected in series between the power supply and the ground, and the auxiliary contact L02 of the descending position travel switch and the coil K070 are connected in series between the power supply and the ground.
Further, the device also comprises a diode V02, the anode of the diode V02 is electrically connected with the pantograph lifting command train line, and the cathode of the diode V02 is grounded through the second series branch and the coil K020 in sequence.
Further, the lifting-to-place indicator light H01 is further included, the lifting-to-place relay further comprises a normally open contact K062, the lifting-to-place indicator light H01 and the normally open contact K062 are connected in series to form a third series branch, and the third series branch is connected to two ends of the coil K060 in parallel.
Further, the down position indicating lamp H02 is further included, the down position relay further comprises a normally open contact K071, the down position indicating lamp H02 and the normally open contact K071 are connected in series to form a fourth series branch, and the fourth series branch is connected in parallel to two ends of the coil K070.
Further, the cab occupation relay further comprises a reconnection relay, wherein the reconnection relay comprises a normally closed contact K081 and a normally open contact K082, and the cab occupation relay further comprises a normally closed contact K013 and a normally open contact K014; the power supply is grounded through a normally closed contact K013 and a normally open contact K014 in sequence; one end of a normally closed contact K081 is connected between a normally closed contact K013 and a normally open contact K014, and the other end of the normally closed contact K081 is connected with a reconnection train line through a normally open contact K082; the train line in the bow lifting state is connected between the normally closed contact K081 and the normally open contact K082; the lifting-to-place relay also comprises a normally open contact K063 connected to the train line in the lifting bow state.
Furthermore, the system also comprises a TCMS system and a rising current collector indicator lamp S013, wherein the rising current collector indicator lamp S013 is connected between the normally open contact K014 and the ground, and the signal acquisition end of the TCMS system is connected between the normally open contact K014 and the rising current collector indicator lamp S013.
Compared with the prior art, the invention has the following beneficial effects:
first, considering that the energy storage low-floor vehicle runs on an outdoor line, the current collector should be in a raised state in a normal state so as to be in contact with the charging rail to be charged at a platform. However, in some special road sections, such as a high-voltage transmission line is arranged above the driver, or when the driver finds that an obvious obstacle exists in front of the driver, the current collector needs to be lowered temporarily.
Secondly, the invention has the functions of lifting and descending interlocking, namely when the command of descending the current collector exists, the command of ascending the current collector cannot be executed; and has the functions of ascending and descending to the position, namely when the command of ascending the current collector is executed, if the current collector is ascended to the position, the power supply of the driving motor can be automatically cut off, and the driving motor is prevented from being blocked and further burnt.
And thirdly, monitoring the ascending and descending states of the current collector through a hard wire. Meanwhile, the current collector local, a driver console display screen and a lifting bow indicator lamp are used for displaying the current collector state so as to prompt the driver of the real-time state of the current collector.
Fourthly, when the vehicles are in reconnection operation, a driver can synchronously operate two trains of vehicle current collectors in a cab at the occupied end, and the lifting states of the two trains of vehicle current collectors are summarized through a circuit and then are displayed on a display screen of a driver console and a lifting bow indicator lamp at the occupied end.
Drawings
Fig. 1 is a schematic diagram of a control circuit of a conventional current collector.
Fig. 2 is a schematic diagram of the electric control of the current collector of the present invention.
Fig. 3 is a schematic diagram of monitoring the state of the current collector according to the present invention.
Detailed Description
As shown in fig. 2 and 3, the control circuit of the electric current collector of the energy-storage low-floor vehicle comprises a cab occupancy relay, an auxiliary contact L01 of a lifting position travel switch, an auxiliary contact L02 of a lowering position travel switch, and a positive and negative motor M which is connected with the current collector in a driving way,
the automatic pantograph lifting and lowering device further comprises a diode V01, a pantograph lifting and lowering self-reset button S01 and a pantograph lowering and lowering self-reset button S02, wherein the pantograph lifting and lowering self-reset button S01 comprises a normally open button S011 and a normally closed button S012 which are linked, the pantograph lowering and lowering self-reset button S02 comprises a normally closed button S021 and a normally open button S022 which are linked,
the cab occupation relay comprises a normally open contact K011 and a normally open contact K012,
the normally open contact K011, the normally open button S011 and the normally closed button S021 are connected in series between a power supply and a pantograph ascending command train line, and the normally open contact K012, the normally closed button S012 and the normally open button S022 are connected in series between the power supply and the pantograph descending command train line;
the system also comprises a current collector lifting relay, a current collector lowering relay, a current collector lifting relay, a current collector lowering relay and a current collector lifting relay; the relay of the power-up and current-receiving device comprises a coil K020, a normally open contact K021, a normally open contact K022 and a normally open contact K023; the relay of the current reducing and receiving device comprises a normally open contact K031, a normally open contact K032 and a normally closed contact K033; the lifting-to-place relay comprises a coil K060 and a normally closed contact K061; the step-down relay comprises a coil K070;
the diode V01 and the normally open contact K023 are connected in series to form a first series branch, and the normally closed contact K033 and the normally closed contact K061 are connected in series to form a second series branch; the power supply is grounded through the first series branch, the second series branch and the coil K020 in sequence;
the power supply, the normally open contact K021, the first end of the positive and negative motor M, the second end of the positive and negative motor M, the normally open contact K022 and the ground are connected into a loop; the power supply, the normally open contact K031, the second end of the positive and negative motor M, the first end of the positive and negative motor M, the normally open contact K032 and the ground are connected into a loop;
the auxiliary contact L01 of the ascending position travel switch and the coil K060 are connected in series between the power supply and the ground, and the auxiliary contact L02 of the descending position travel switch and the coil K070 are connected in series between the power supply and the ground.
The control circuit of the electric current collector of the energy storage low-floor vehicle further comprises a diode V02, the anode of the diode V02 is electrically connected with a pantograph lifting command train line, and the cathode of the diode V02 is grounded through a second series branch and a coil K020 in sequence.
The control circuit of the electric current collector of the energy storage low-floor vehicle further comprises a position ascending indicator lamp H01, the position ascending relay further comprises a normally open contact K062, the position ascending indicator lamp H01 and the normally open contact K062 are connected in series to form a third series branch, and the third series branch is connected to the two ends of a coil K060 in parallel.
The electric current collector control circuit of the energy storage low-floor vehicle further comprises a descending position indicator lamp H02, the descending position relay further comprises a normally open contact K071, the descending position indicator lamp H02 and the normally open contact K071 are connected in series to form a fourth series branch, and the fourth series branch is connected in parallel at two ends of a coil K070.
The control circuit of the electric current collector of the energy storage low-floor vehicle further comprises a reconnection relay, the reconnection relay comprises a normally closed contact K081 and a normally open contact K082, and the cab occupation relay further comprises a normally closed contact K013 and a normally open contact K014; the power supply is grounded through a normally closed contact K013 and a normally open contact K014 in sequence; one end of a normally closed contact K081 is connected between a normally closed contact K013 and a normally open contact K014, and the other end of the normally closed contact K081 is connected with a reconnection train line through a normally open contact K082; the train line in the bow lifting state is connected between the normally closed contact K081 and the normally open contact K082; the lifting-to-place relay also comprises a normally open contact K063 connected to the train line in the lifting bow state.
The control circuit of the electric current collector of the energy storage low-floor vehicle further comprises a TCMS system and a current collector indicator lamp S013, the current collector indicator lamp S013 is connected between the normally open contact K014 and the ground, and the signal acquisition end of the TCMS system is connected between the normally open contact K014 and the current collector indicator lamp S013.
The power supply in the invention is a storage battery. The MC1 vehicle and the MC2 vehicle are configured identically.
As shown in fig. 2 and 3, the working principle of the present invention is as follows:
1. remote lifting control of current collector
At the occupied end of the cab, the cab occupation relay is electrified, the normally open contact K011 is closed, the pantograph lifting self-reset button S01 is operated, the normally open contact S011 of the button is closed, a pantograph lifting pulse command is generated, a train line is transmitted to a T vehicle from an MC1 vehicle through the pantograph lifting command, the command passes through a diode V02, if the current collector is not lifted in place at the moment, the pantograph lifting relay is in a power-off state, and the normally closed contact K061 of the pantograph lifting relay is in a closed state; meanwhile, if there is no descending current collector command, the descending current collector relay is in a power-off state, and the normally closed contact K033 of the descending current collector relay is in a closed state. The pantograph rising pulse command can enable the pantograph rising and receiving relay to be electrified, self-holding is carried out through the normally open contact K023 and the diode V01 of the pantograph rising and receiving relay, and the K020 is always in an electrified state in the pantograph rising and receiving process. The driving motor M of the current collector is electrified, the motor rotates clockwise, and the current collector rises. Similarly, the pantograph lowering self-reset button S02 can be operated in the cab at the occupied end, the driving motor is reversely electrified, the motor rotates anticlockwise, and the current collector descends.
When two trains run in a double-coupling mode, the commands of the lifting current collectors are transmitted to the other train through the double-coupling cable train line, and synchronous control of the current collectors of the two trains is achieved.
2. Current collector lifting interlock
As shown in fig. 2, 1 self-reset button, S01 and S02, are provided for the ascending and descending of the current collector, respectively, and the interlocking description will be given by taking the ascending current collector as an example. When the current collector is lifted, the normally open contact S011 of the arch lifting self-reset button S01 is operated, the normally open contact S01 is closed, the arch lowering self-reset button S02 is not operated at the moment, therefore, the normally closed auxiliary contact S021 of the button is closed, and the arch lifting command train line is in a high level. Meanwhile, the normally closed auxiliary contact S012 of S01 is turned off, and at this time, even if operation S02 is performed, the command train line of the power down receptor cannot be powered to a high level, that is, the command train line of the power up and power down receptor cannot be simultaneously at a high level, so that the interlocking of the power up and power down receptor is realized.
3. Monitoring of current collector lifting state
The following is explained with respect to fig. 3:
when the current collector is lifted to the right position, the auxiliary contact L01 of the travel switch is closed, the current collector lifting to the right position relay is electrified, the current collector local lifting to the right position indicator lamp H01 is lightened, at the moment, the normally closed contact K061 of the lifting to the right position relay is disconnected, the current collector lifting relay is electrified, the driving motor M is electrified, and the current collector finishes the lifting action.
The state that the current collector rises to the right position is transmitted by a hard wire circuit so as to light an indicator lamp S013 which is arranged on the current collector of the cab of the occupied end. And provides the status to the TCMS system for display of the up-to-position status on the cab display screen at the head-end.
The circuit principle of the current collector in the in-place state is judged by a hard wire:
k01 is a cab occupancy relay, and the occupancy relay on the occupancy side is energized only.
K08 is a train reconnection relay, and the relay at the reconnection end is only electrified.
1) Single train operation
Setting an MC1 vehicle as an occupied end cab, transmitting current to a normally-open contact K063 of a T vehicle current collector lifting in-place relay through a normally-closed contact K013 of a non-occupied end and a normally-closed contact K081 of a train reconnection relay by a lifting bow state train line, then to the normally-closed contact K081 of the train reconnection relay of the occupied end cab and the normally-open contact K014 of the cab occupation relay (closed at the moment), finally lighting a self-reset button with an indicator lamp S013 of the lifting current collector, and simultaneously collecting a state signal by a TCMS system.
2) Coupled operation
Setting the MC1 train as an occupied end cab, wherein current is transmitted to a T train current collector of the unoccupied train through a normally closed contact K013 and a normally closed contact K081 of a train reconnection relay of the unoccupied train by a pantograph state train line, is lifted to a normally open contact K063 of an in-place relay, then is transmitted to a train reconnection relay normally open contact K082 (closed at the moment) of the unoccupied train reconnection end cab, and is transmitted to the reconnection end cab of the occupied train through the pantograph state train line of the reconnection cable. The signal is transmitted to a normally open contact K063 of a T train current collector lifting in-place relay of the occupied train through a normally open contact K082 of a train reconnection relay of the end cab, and is transmitted to a normally open contact K014 of the cab occupation relay through a normally closed contact K081 of the train reconnection relay of the end cab, and finally, a self-reset button with an indicator lamp S013 of the lifting current collector of the end cab is lightened, and meanwhile, the state signal is acquired by a TCMS system.
According to 1) and 2), no matter a single train runs or two trains run in a reconnection mode, the current collector monitoring circuit can sum the states of the current collectors and display the current collectors on the display screen of the cab at the occupied end and the lifting and descending indicator lamps of the current collectors.
The above description takes the step-up current collector as an example, and the principle of the step-down current collector is the same.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (6)
1. A control circuit of an electric current collector of an energy-storage low-floor vehicle comprises a cab occupancy relay, an auxiliary contact L01 of a lifting position travel switch, an auxiliary contact L02 of a lowering position travel switch, and a positive and negative motor M which is connected with the current collector in a driving way,
the automatic pantograph lifting and lowering device further comprises a diode V01, a pantograph lifting and lowering self-reset button S01 and a pantograph lowering and lowering self-reset button S02, wherein the pantograph lifting and lowering self-reset button S01 comprises a normally open button S011 and a normally closed button S012 which are linked, the pantograph lowering and lowering self-reset button S02 comprises a normally closed button S021 and a normally open button S022 which are linked,
the cab occupation relay comprises a normally open contact K011 and a normally open contact K012,
the normally open contact K011, the normally open button S011 and the normally closed button S021 are connected in series between a power supply and a pantograph ascending command train line, and the normally open contact K012, the normally closed button S012 and the normally open button S022 are connected in series between the power supply and the pantograph descending command train line;
the system also comprises a current collector lifting relay, a current collector lowering relay, a current collector lifting relay, a current collector lowering relay and a current collector lifting relay; the relay of the power-up and current-receiving device comprises a coil K020, a normally open contact K021, a normally open contact K022 and a normally open contact K023; the relay of the current reducing and receiving device comprises a normally open contact K031, a normally open contact K032 and a normally closed contact K033; the lifting-to-place relay comprises a coil K060 and a normally closed contact K061; the step-down relay comprises a coil K070;
the diode V01 and the normally open contact K023 are connected in series to form a first series branch, and the normally closed contact K033 and the normally closed contact K061 are connected in series to form a second series branch; the power supply is grounded through the first series branch, the second series branch and the coil K020 in sequence;
the power supply, the normally open contact K021, the first end of the positive and negative motor M, the second end of the positive and negative motor M, the normally open contact K022 and the ground are connected into a loop; the power supply, the normally open contact K031, the second end of the positive and negative motor M, the first end of the positive and negative motor M, the normally open contact K032 and the ground are connected into a loop;
the auxiliary contact L01 of the ascending position travel switch and the coil K060 are connected in series between the power supply and the ground, and the auxiliary contact L02 of the descending position travel switch and the coil K070 are connected in series between the power supply and the ground.
2. The electric current collector control circuit of the energy storage low-floor vehicle as claimed in claim 1, further comprising a diode V02, wherein the anode of the diode V02 is electrically connected with the pantograph ascending command train line, and the cathode of the diode V02 is grounded through the second series branch and the coil K020 in sequence.
3. The energy-storing low-floor vehicle electric current collector control circuit as claimed in claim 1, further comprising a rise-in-place indicator lamp H01, wherein the rise-in-place relay further comprises a normally open contact K062, and the rise-in-place indicator lamp H01 and the normally open contact K062 are connected in series to form a third series branch, and the third series branch is connected in parallel with two ends of the coil K060.
4. The control circuit of the electric current collector of the energy-storage low-floor vehicle as claimed in claim 1, further comprising a down position indicator lamp H02, wherein the down position relay further comprises a normally open contact K071, the down position indicator lamp H02 and the normally open contact K071 are connected in series to form a fourth series branch, and the fourth series branch is connected in parallel with two ends of a coil K070.
5. The energy storage low floor vehicle electric current collector control circuit of any one of claims 1 to 4, further comprising a recloser comprising normally closed contact K081 and normally open contact K082, the cab occupancy relay further comprising normally closed contact K013 and normally open contact K014; the power supply is grounded through a normally closed contact K013 and a normally open contact K014 in sequence; one end of a normally closed contact K081 is connected between a normally closed contact K013 and a normally open contact K014, and the other end of the normally closed contact K081 is connected with a reconnection train line through a normally open contact K082; the train line in the bow lifting state is connected between the normally closed contact K081 and the normally open contact K082; the lifting-to-place relay also comprises a normally open contact K063 connected to the train line in the lifting bow state.
6. The energy storage low-floor vehicle electric power receiver control circuit of claim 5, further comprising a TCMS system and a step-up receiver indicator lamp S013, wherein the step-up receiver indicator lamp S013 is connected between the normally open contact K014 and ground, and wherein the signal acquisition terminal of the TCMS system is connected between the normally open contact K014 and the step-up receiver indicator lamp S013.
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| CN201811422352.0A CN109849696B (en) | 2018-11-27 | 2018-11-27 | Control circuit of electric current collector of energy storage low-floor vehicle |
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| CN201811422352.0A CN109849696B (en) | 2018-11-27 | 2018-11-27 | Control circuit of electric current collector of energy storage low-floor vehicle |
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| WO2021135710A1 (en) * | 2020-01-02 | 2021-07-08 | 中车株洲电力机车有限公司 | Urban rail train and train hard-wired signal transmission circuit therefor, and tail closed loop circuit for use in train hard-wired signal scenario |
| CN112311261B (en) | 2020-10-21 | 2022-06-07 | 中车南京浦镇车辆有限公司 | Duplex starting control circuit of auxiliary inverter of railway vehicle |
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| CN102963258A (en) * | 2012-04-24 | 2013-03-13 | 南车南京浦镇车辆有限公司 | Control circuit for electrical pantographs |
| 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 |
| CN103625298A (en) * | 2013-12-03 | 2014-03-12 | 南车株洲电力机车有限公司 | Pantograph control circuit and pantograph rising keeping circuit for single-end cab direct-current locomotive |
| KR101548582B1 (en) * | 2014-08-29 | 2015-09-01 | 현대로템 주식회사 | Control circuit for pantograph of train |
| CN104325890A (en) * | 2014-11-28 | 2015-02-04 | 南车株洲电力机车有限公司 | Pantograph maintaining circuit of double-end cab direct-current locomotive |
| CN104527435A (en) * | 2014-11-28 | 2015-04-22 | 南车青岛四方机车车辆股份有限公司 | Novel 25KV pantograph control circuit |
| CN207663270U (en) * | 2017-12-29 | 2018-07-27 | 中国黄金集团中原矿业有限公司 | A kind of shock controller of mine electric locomotive contact net slip |
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|---|---|
| CN109849696A (en) | 2019-06-07 |
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