CN210390791U - Mobile switching type power taking device for railway operation train - Google Patents
Mobile switching type power taking device for railway operation train Download PDFInfo
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- CN210390791U CN210390791U CN201921193429.1U CN201921193429U CN210390791U CN 210390791 U CN210390791 U CN 210390791U CN 201921193429 U CN201921193429 U CN 201921193429U CN 210390791 U CN210390791 U CN 210390791U
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Abstract
The utility model aims at providing a switching formula is got electric installation for portable railway operations train, including pantograph, oil-immersed high voltage transformer, high accuracy broad width constant voltage power supply system, diesel generator, the pantograph is connected with oil-immersed high voltage transformer, and oil-immersed high voltage transformer is connected with high accuracy broad width constant voltage power supply system; the pantograph is powered by a contact network, transforms voltage through an oil immersed high-voltage transformer and then outputs single-phase AC860V AC, so that the pantograph can be input into a high-precision wide-width voltage-stabilized power supply system to process the power of the contact network and output clean sine wave power to be supplied to a railway operation train; the output end of the diesel generator is connected with the railway operation train, and the diesel generator is automatically switched to generate power when the high-precision wide-width voltage-stabilized power supply system fails. The utility model utilizes the pantograph to directly draw down the power supply from the railway contact net; the diesel generator set can be switched to supply electricity, so that the output power supply is not interrupted; has better practicability.
Description
Technical Field
The utility model belongs to the technical field of power supply unit, concretely relates to portable railway operations train is with switching formula electricity getting device.
Background
With the adjustment of the production layout of railway transportation, the construction of new lines and the comprehensive spreading of the maintenance of existing lines, the corresponding construction operation can be increased continuously with the construction of new lines, and in order to guarantee the driving order and the driving safety, the worker can continuously operate 24 hours after reaching the construction point, so that the uninterrupted power supply of the operation train and the power supply quality are particularly important for the safety production.
The pantograph is a necessary device in a current-taking unit of a contact network, and is a power switch for connecting and disconnecting the contact network and a power supply device. The arrangement of the remote control unit realizes that the operations such as pantograph lifting and the like can be operated in a railway operation train or a construction site without entering a power supply equipment box for operation. The remote control unit is a key part for ensuring that the power supply device can stably and safely take current from the overhead line system, and the power supply device can automatically lower the pantograph when the equipment is in abnormal states such as overload, short circuit and voltage loss of the pantograph, so as to protect the overhead line system and the power supply device from being damaged.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a switching type power taking device for a mobile railway operation train, which utilizes a pantograph device to directly draw a power supply from a railway contact network; the diesel generator set can be switched to supply electricity, so that the output power supply is not interrupted; has better practicability.
The utility model discloses mainly realize through following technical scheme: a switching type power taking device for a mobile railway operation train comprises a pantograph, an oil-immersed high-voltage transformer, a high-precision wide voltage-stabilized power supply system and a diesel generator, wherein the pantograph is connected with the oil-immersed high-voltage transformer, and the oil-immersed high-voltage transformer is connected with the high-precision wide voltage-stabilized power supply system; the pantograph is powered by a contact network and outputs single-phase AC860V alternating current after being transformed by an oil immersed high-voltage transformer, so that the pantograph is input into a high-precision wide-width voltage-stabilized power supply system to process the power of the contact network and outputs a clean and reliable sine wave power supply to be supplied to a railway operation train; the output end of the diesel generator is connected with the railway operation train, and the diesel generator is automatically switched to generate power when the high-precision wide-width voltage-stabilized power supply system fails.
The utility model adopts the current transformation technology of modern power electronics, and utilizes the pantograph device to directly draw down the power supply from the high-voltage single-phase 27.5KV railway contact network; and the power can be supplied by switching to a diesel generating set, so that the output power supply is not interrupted. The diesel generator set mainly comprises a diesel engine, an alternating current generator, a flexible connecting disc, a heat dissipation water tank or a heat exchanger, a public base, a control system, an electric power output switch, a fuel tank, a silencer and the like. Diesel generator is prior art, and is not the utility model discloses an improvement point, so no longer give unnecessary details.
For better realization the utility model discloses, it is further, still be provided with high voltage circuit breaker between oil-immersed high voltage transformer and the pantograph.
In order to better realize the utility model, the utility model further comprises an air compressor, an air circuit breaker and a storage battery, wherein the air compressor is connected with the pantograph gas circuit of the pantograph, and the storage battery supplies power to the air compressor; and an air circuit breaker is arranged between the air compressor and the storage battery.
In order to better realize the utility model, the utility model further comprises a remote control unit which is respectively connected with a high-precision wide-width voltage-stabilized power supply system and a diesel generator; the remote control unit comprises a power supply control system and a control execution mechanism, wherein the power supply control system comprises a power control processor, an I/O module and an acquisition module, and the execution mechanism comprises a pantograph lifting electric control valve, a main power-off idle valve and an output start/stop signal module; the industrial control processor is connected with a lifting bow electric control valve, a main power-off idle valve and an output start/stop signal module through an I/O module respectively, the lifting bow electric control valve is connected with a pantograph, the main power-off idle valve is connected with a main circuit breaker, and the output start/stop signal module is connected with a high-precision wide voltage-stabilized power supply system and a diesel generator respectively.
For better realization the utility model discloses, it is further, still include wireless transmission module, telemechanical control center, the worker accuse treater passes through wireless transmission module and is connected with telemechanical control center.
In order to better realize the utility model, furthermore, the telecontrol control center is a tablet personal computer or a console; the wireless transmission module adopts an IEEE 802.11 b/g/n Wi-Fi AP/client; the industrial control processor adopts a local industrial control touch screen.
In order to better realize the utility model, the utility model further comprises a pantograph lifting button, a pantograph lowering button, a protective relay normally closed contact point and a pantograph lifting relay which are sequentially connected with the pantograph lifting electric control valve in series, wherein the pantograph lifting button is provided with a self-locking circuit; the device also comprises common end contacts 1K0 and 2K0 of the pantograph rising relay; when the pantograph lifting button is pressed down, the current is sent to the pantograph lifting relay through the normally closed contact of the protective relay, and the contact of the pantograph lifting relay 1K0 is closed; when the bow lifting button is released, the circuit is locked through a 1K0 contact; the 2K0 contact acts simultaneously with the 1K0 contact, a power supply is connected with the electric control valve of the lifting bow through 2K0, the air switch is opened after the electric control valve of the lifting bow is electrified, air enters the air cylinder of the pantograph, the spring of the air cylinder is compressed, the spring of the air cylinder is tightened, and meanwhile, the spring of the lifting bow is opened to drive the pantograph to rise; when the pantograph-descending button is pressed down, the pantograph-ascending relay loses power, the power supply of the pantograph-ascending electric control valve is disconnected, the air switch is closed, the pantograph air cylinder loses voltage, the air cylinder spring is opened, the pantograph-ascending spring is compressed, and the pantograph is driven to descend.
The utility model has the advantages that:
(1) the utility model realizes the uninterrupted power supply of the power supply by connecting the high-precision wide-width voltage-stabilized power supply system with the diesel generator and the pantograph respectively, and automatically switches to the diesel generator to generate power when a fault occurs between the high-precision wide-width voltage-stabilized power supply system and the pantograph; has better practicability.
(2) The utility model remotely manages the pantograph lifting and lowering of the power supply system by an intelligent logic control program through a wireless transmission module; a on/off high voltage main circuit breaker; and starting and stopping the power supply operation of the power supply.
(3) The telecontrol control center collects the running state and running data of the power supply system through the wireless transmission module, and can adjust and operate system parameters of the local intelligent power supply control system according to actual conditions, so that the intelligent power supply system is measured and controlled in real time.
(4) The utility model adopts 1+1 redundancy design to ensure the safety of remote electric operation; the wireless transmission module adopts an Ethernet local area network, ensures the safety, timeliness and reliability of data transmission, and can execute the operation control of the power supply system in the railway operation train.
Drawings
Fig. 1 is a schematic circuit diagram of the present invention;
FIG. 2 is a functional block diagram of a remote control unit;
FIG. 3 is a schematic circuit diagram of the remote control unit;
FIG. 4 is a schematic circuit diagram of an industrial control touch screen;
FIG. 5 is a circuit schematic of an I/O module;
fig. 6 is a schematic diagram of a control circuit of the pantograph.
Detailed Description
Example 1:
a switching type power taking device for a mobile railway operation train comprises a pantograph, an oil-immersed high-voltage transformer, a high-precision wide-width voltage-stabilized power supply system and a diesel generator, wherein the pantograph is connected with the oil-immersed high-voltage transformer, and the oil-immersed high-voltage transformer is connected with the high-precision wide-width voltage-stabilized power supply system; the pantograph is powered by a contact network and outputs single-phase AC860V alternating current after being transformed by an oil immersed high-voltage transformer, so that the pantograph is input into a high-precision wide-width voltage-stabilized power supply system to process the power of the contact network and outputs a clean and reliable sine wave power supply to be supplied to a railway operation train; the output end of the diesel generator is connected with the railway operation train, and the diesel generator is automatically switched to generate power when the high-precision wide-width voltage-stabilized power supply system fails.
The utility model utilizes the pantograph device to directly draw down the power supply from the high-voltage single-phase 27.5KV railway contact network; and the power can be supplied by switching to a diesel generating set, so that the output power supply is not interrupted. The utility model realizes the uninterrupted power supply of the power supply by connecting the high-precision wide-width voltage-stabilized power supply system with the diesel generator and the pantograph respectively, and automatically switches to the diesel generator to generate power when a fault occurs between the high-precision wide-width voltage-stabilized power supply system and the pantograph; has better practicability.
Example 2:
the present embodiment is optimized based on embodiment 1, and as shown in fig. 1, a high-voltage circuit breaker is further disposed between the oil-immersed high-voltage transformer and the pantograph. The pantograph type air conditioner further comprises an air compressor, an air circuit breaker and a storage battery pack, wherein the air compressor is connected with a pantograph air circuit of the pantograph, and the storage battery pack supplies power to the air compressor; and an air circuit breaker is arranged between the air compressor and the storage battery.
The utility model utilizes the pantograph device to directly draw down the power supply from the high-voltage single-phase 27.5KV railway contact network; and the power can be supplied by switching to a diesel generating set, so that the output power supply is not interrupted. The utility model realizes the uninterrupted power supply of the power supply by connecting the high-precision wide-width voltage-stabilized power supply system with the diesel generator and the pantograph respectively, and automatically switches to the diesel generator to generate power when a fault occurs between the high-precision wide-width voltage-stabilized power supply system and the pantograph; has better practicability.
Other parts of this embodiment are the same as embodiment 1, and thus are not described again.
Example 3:
the embodiment is optimized on the basis of embodiment 1 or 2, and as shown in fig. 1-5, the device further comprises a remote control unit, wherein the remote control unit is respectively connected with a high-precision wide-width voltage-stabilized power supply system and a diesel generator; the remote control unit comprises a power supply control system and a control execution mechanism, wherein the power supply control system comprises a power control processor, an I/O module and an acquisition module, and the execution mechanism comprises a pantograph lifting electric control valve, a main power-off idle valve and an output start/stop signal module; the industrial control processor is connected with a lifting bow electric control valve, a main power-off idle valve and an output start/stop signal module through an I/O module respectively, the lifting bow electric control valve is connected with a pantograph, the main power-off idle valve is connected with a main circuit breaker, and the output start/stop signal module is connected with a high-precision wide voltage-stabilized power supply system and a diesel generator respectively.
The utility model controls the control executing mechanism through the power control system; the industrial control processor is used for starting and stopping the power supply operation of the high-voltage main circuit breaker, starting and stopping the power supply operation of the power supply system, and realizing the pantograph lifting and lowering operation and the closing/dividing operation of the high-voltage main circuit breaker, and has better practicability. The utility model utilizes the pantograph device to directly draw down the power supply from the high-voltage single-phase 27.5KV railway contact network; and the power can be supplied by switching to a diesel generating set, so that the output power supply is not interrupted. The utility model realizes the uninterrupted power supply of the power supply by connecting the high-precision wide-width voltage-stabilized power supply system with the diesel generator and the pantograph respectively, and can automatically switch to the diesel generator to generate electricity through the remote control unit when a fault occurs; has better practicability.
The rest of this embodiment is the same as embodiment 1 or 2, and therefore, the description thereof is omitted.
Example 4:
the embodiment is optimized on the basis of embodiment 3, and as shown in fig. 3 to 5, the power control system further comprises a wireless transmission module and a remote control center, wherein the power control processor is connected with the remote control center through the wireless transmission module. The telemechanical control center is a tablet personal computer or a console; the wireless transmission module adopts an IEEE 802.11 b/g/n Wi-Fi AP/client; the industrial control processor adopts a local industrial control touch screen.
The industrial control processor adopts a local industrial control touch screen and is matched with configuration software for programming, so that the whole power supply system can be intelligently managed; the acquisition module acquires input voltage, current, output voltage, current, pantograph and circuit breaker component state parameters and transmits the processed data to the industrial control processor; the I/O module converts the processor signal into an executable action signal and returns an executive device state signal to the industrial control processor.
The telecontrol control center is used as a visual interface of man-machine interaction, can visually look up real-time parameters of the power supply system, and can also be wirelessly controlled through the wireless communication module.
The wireless transmission module adopts an IEEE 802.11 b/g/n Wi-Fi AP/client, and can provide stable and reliable communication connection for a severe industrial field environment.
The local industrial control touch screen adopts an industrial touch screen, is programmed by matching with configuration software, and can carry out intelligent management on the whole power supply system.
The acquisition module acquires and processes state parameters of each component such as input voltage, current, output voltage, current, pantograph, circuit breaker and the like of the intelligent power supply system through a data acquisition technology, and the processed data are sent to a local industrial control processor for centralized processing.
The I/O module may convert the processor signal to an executable action signal while returning an execution device status signal to the processor.
The executing devices such as the pantograph electric air valve, the main power-off air valve, the output start/stop electric operating switch and the like are action devices for directly controlling the pantograph, the main power-off electric operating switch and the electric operating switch.
The utility model discloses in the use, telemechanical control center passes through wireless transmission module and gathers electrical power generating system running state and operational data, can carry out system parameter adjustment and operation to local intelligent power control system according to actual conditions to observe and control intelligent electrical power generating system in real time. The utility model adopts 1+1 redundancy design to ensure the safety of remote electric operation; the wireless transmission module adopts an Ethernet local area network, ensures the safety, timeliness and reliability of data transmission, and can execute the operation control of the power supply system in the railway operation train.
The other parts of this embodiment are the same as those of embodiment 3, and thus are not described again.
Example 5:
the embodiment is optimized on the basis of embodiment 4, and as shown in fig. 6, the lifting bow type electric control valve further comprises a bow lifting button, a bow lowering button, a protective relay normally closed contact point and a bow lifting relay which are sequentially connected in series with the lifting bow type electric control valve, wherein the bow lifting button is provided with a self-locking circuit; also included are pantograph relay common terminal contacts 1K0, 2K0 and pantograph relay normally open terminal contacts 1K1, 2K 1.
When the pantograph lifting button is pressed down in the use process of the utility model, the current is sent to the pantograph lifting relay through the normally closed contact of the protective relay, and the contact of the pantograph lifting relay 1K0 is closed; when the bow lifting button is released, the circuit is locked through a 1K0 contact; the 2K0 contact acts simultaneously with the 1K0 contact, a power supply is connected with the electric control valve of the lifting bow through 2K0, the air switch is opened after the electric control valve of the lifting bow is electrified, air enters the air cylinder of the pantograph, the spring of the air cylinder is compressed, the spring of the air cylinder is tightened, and meanwhile, the spring of the lifting bow is opened to drive the pantograph to rise; when the pantograph-descending button is pressed down, the pantograph-ascending relay loses power, the power supply of the pantograph-ascending electric control valve is disconnected, the air switch is closed, the pantograph air cylinder loses voltage, the air cylinder spring is opened, the pantograph-ascending spring is compressed, and the pantograph is driven to descend.
Under the pantograph lifting state, when the monitoring circuit detects that the load is in an overload, short circuit and pantograph voltage loss state, the protective relay acts, the normally closed contact of the protective relay is opened, the pantograph lifting relay loses power, the normally open contact of the 2K0 is disconnected, the electric control valve loses power, the pantograph air cylinder loses voltage, the air cylinder spring is lifted, and the pantograph lifting spring is compressed to drive the pantograph to automatically descend.
The utility model discloses in the use, telemechanical control center passes through wireless transmission module and gathers electrical power generating system running state and operational data, can carry out system parameter adjustment and operation to local intelligent power control system according to actual conditions to observe and control intelligent electrical power generating system in real time. The utility model adopts 1+1 redundancy design to ensure the safety of remote electric operation; the wireless transmission module adopts an Ethernet local area network, ensures the safety, timeliness and reliability of data transmission, and can execute the operation control of the power supply system in the railway operation train.
The other parts of this embodiment are the same as those of embodiment 4, and thus are not described again.
The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.
Claims (7)
1. A switching type power taking device for a mobile railway operation train is characterized by comprising a pantograph, an oil-immersed high-voltage transformer, a high-precision wide voltage-stabilized power supply system and a diesel generator, wherein the pantograph is connected with the oil-immersed high-voltage transformer, and the oil-immersed high-voltage transformer is connected with the high-precision wide voltage-stabilized power supply system; the pantograph is powered by a contact network and outputs single-phase AC860V alternating current after being transformed by an oil immersed high-voltage transformer, so that the pantograph is input into a high-precision wide-width voltage-stabilized power supply system to process the power of the contact network and outputs a clean and reliable sine wave power supply to be supplied to a railway operation train; the output end of the diesel generator is connected with the railway operation train, and the diesel generator is automatically switched to generate power when the high-precision wide-width voltage-stabilized power supply system fails.
2. The switching type power taking device for the mobile railway operation train according to claim 1, wherein a high-voltage circuit breaker is further arranged between the oil-immersed high-voltage transformer and the pantograph.
3. The switching type power taking device for the mobile railway operation train according to claim 1, further comprising an air compressor, an air circuit breaker and a storage battery pack, wherein the air compressor is connected with a pantograph air circuit of the pantograph, and the storage battery pack supplies power to the air compressor; and an air circuit breaker is arranged between the air compressor and the storage battery.
4. The switching type power taking device for the mobile railway operation train according to claim 1, further comprising a remote control unit, wherein the remote control unit is respectively connected with a high-precision wide-width voltage-stabilized power supply system and a diesel generator; the remote control unit comprises a power supply control system and a control execution mechanism, wherein the power supply control system comprises a power control processor, an I/O module and an acquisition module, and the execution mechanism comprises a pantograph lifting electric control valve, a main power-off idle valve and an output start/stop signal module; the industrial control processor is connected with a lifting bow electric control valve, a main power-off idle valve and an output start/stop signal module through an I/O module respectively, the lifting bow electric control valve is connected with a pantograph, the main power-off idle valve is connected with a main circuit breaker, and the output start/stop signal module is connected with a high-precision wide voltage-stabilized power supply system and a diesel generator respectively.
5. The switching type power taking device for the mobile railway operation train according to claim 4, further comprising a wireless transmission module and a remote control center, wherein the power control processor is connected with the remote control center through the wireless transmission module.
6. The switching type power-taking device for the mobile railway operation train according to claim 5, wherein the telecontrol control center is a tablet computer or a console; the wireless transmission module adopts an IEEE 802.11 b/g/n Wi-FiAP/client; the industrial control processor adopts a local industrial control touch screen.
7. The switching type power taking device for the mobile railway operation train according to any one of claims 4 to 6, further comprising a pantograph lifting button, a pantograph lowering button, a protective relay normally closed contact point and a pantograph lifting relay which are sequentially connected in series with the pantograph lifting electric control valve, wherein the pantograph lifting button is provided with a self-locking circuit; the device also comprises common end contacts 1K0 and 2K0 of the pantograph rising relay; when the pantograph lifting button is pressed down, the current is sent to the pantograph lifting relay through the normally closed contact of the protective relay, and the contact of the pantograph lifting relay 1K0 is closed; when the bow lifting button is released, the circuit is locked through a 1K0 contact; the 2K0 contact acts simultaneously with the 1K0 contact, a power supply is connected with the electric control valve of the lifting bow through 2K0, the air switch is opened after the electric control valve of the lifting bow is electrified, air enters the air cylinder of the pantograph, the spring of the air cylinder is compressed, the spring of the air cylinder is tightened, and meanwhile, the spring of the lifting bow is opened to drive the pantograph to rise; when the pantograph-descending button is pressed down, the pantograph-ascending relay loses power, the power supply of the pantograph-ascending electric control valve is disconnected, the air switch is closed, the pantograph air cylinder loses voltage, the air cylinder spring is opened, the pantograph-ascending spring is compressed, and the pantograph is driven to descend.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921193429.1U CN210390791U (en) | 2019-07-26 | 2019-07-26 | Mobile switching type power taking device for railway operation train |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921193429.1U CN210390791U (en) | 2019-07-26 | 2019-07-26 | Mobile switching type power taking device for railway operation train |
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| CN210390791U true CN210390791U (en) | 2020-04-24 |
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| CN201921193429.1U Active CN210390791U (en) | 2019-07-26 | 2019-07-26 | Mobile switching type power taking device for railway operation train |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115534683A (en) * | 2022-10-28 | 2022-12-30 | 四川优力源电子科技有限公司 | Novel power supply system of work dormitory van |
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2019
- 2019-07-26 CN CN201921193429.1U patent/CN210390791U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115534683A (en) * | 2022-10-28 | 2022-12-30 | 四川优力源电子科技有限公司 | Novel power supply system of work dormitory van |
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