CN218400222U

CN218400222U - Three-phase sliding net power supply system of electric mine car

Info

Publication number: CN218400222U
Application number: CN202223099840.7U
Authority: CN
Inventors: 杨忠民
Original assignee: Yunnan Yucan Qianjun Technology Development Co ltd
Current assignee: Yunnan Yucan Qianjun Technology Development Co ltd
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-01-31
Anticipated expiration: 2032-11-22

Abstract

The utility model discloses a three-phase sliding net power supply system of an electric mine car, which can effectively control the current receiving mechanism to fully contact with a sliding contact wire net by arranging a sensor to detect the relative position of the mine car and a limit area in real time, and ensure the stable operation of the mine car by supplying power to a driving motor through a storage battery when the mine car moves out of the limit area; the trolley wire net with a three-phase double-wire structure can effectively ensure that the trolley wire net can stably convey electric energy to the mine car; compared with the prior art, the system is simpler and more convenient to control, can remotely control the mine car, and further promotes the application of unmanned mine cars; the weight of the storage battery of the mine car can be effectively reduced by arranging the sliding contact wire net, so that higher load and better cost performance can be achieved.

Description

Three-phase sliding net power supply system of electric mine car

Technical Field

The utility model belongs to the technical field of electronic unmanned mine car, concretely relates to three-phase smooth net power supply system of electronic mine car.

Background

Among the prior art, electric mine car all is with on-vehicle battery as power, and electric mine car load is heavier and need adapt to the operational environment in mine, therefore electric mine car need carry the battery of great capacity with this guarantee continuation of the journey mileage, leads to the capacity of mine car to reduce, no matter adopt simultaneously to charge or trade the electric mode, its work efficiency reduces by a wide margin to along with the storage decay of battery, make charge or trade more frequently, reduce car rate of attendance and operation.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides an electric mine car's smooth net power supply system of three-phase.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an electric mine car's smooth net power supply system of three-phase, is including advancing electric wire, transformer substation, wiping line net, receiving mechanism, mine car and be located driver, battery, driving motor in the mine car, be provided with sensor, on-vehicle controller on the mine car, the driver has the energy recuperation function, the driver with receive mechanism line connection, the battery driving motor with the driver is connected, wiping line net with receive mechanism sliding connection, it is connected with the electric energy meter to receive the mechanism, receive the mechanism the electric energy meter the driver the battery driving motor with on-vehicle controller line connection.

Furthermore, the sliding contact wire net is of a three-phase double-loop structure.

Further, the pantograph mechanism comprises a first pantograph, a second pantograph and a third pantograph, and the first pantograph, the second pantograph and the third pantograph are respectively connected with the circuit of the vehicle-mounted controller.

Furthermore, a carbon dioxide fire extinguishing mechanism is installed at the storage battery.

Furthermore, the transformer substation and the vehicle-mounted controller are both connected with communication modules.

The utility model has the advantages that: the control system can effectively control the power receiving mechanism to be in full contact with the sliding contact wire net by arranging the sensor to detect the relative position of the mine car and the limit area at any time, and when the mine car runs out of the limit area, the storage battery supplies power to the driving motor, so that the stable operation of the mine car is ensured; the trolley wire net with a three-phase double-wire structure can effectively ensure that the trolley wire net can stably convey electric energy to the mine car; compared with the prior art, the system is simpler and more convenient to control, can remotely control the mine car, and further promotes the application of the unmanned mine car; through setting up wiping touch screen net coverage area and wiping touch screen net on-line length, can effectively reduce the battery weight of mine car, make it can reach higher load.

Drawings

FIG. 1 is a schematic view of the structure relationship of the present invention;

FIG. 2 is a system flow diagram of the present invention;

fig. 3 is a schematic diagram of the middle sliding contact wire net of the present invention.

The reference numbers in the figures mean: 1-feeding wire; 2-a transformer substation; 3-sliding contact wire net; 4-a power receiving mechanism; 5-a mine car; 6-a storage battery; 7-driving a motor; 8-a sensor; 9-an onboard controller; 10-a driver; 11-a first pantograph; 12-a second pantograph; 13-a third pantograph; 14-a carbon dioxide fire extinguishing mechanism; 15-a communication module; 16-electric energy meter.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides the following technical solutions: the utility model provides an electric mine car 5's smooth net power supply system of three-phase, includes into electric wire 1, transformer substation 2, smooth touch net 3, receives mechanism 4, mine car 5 and is located 5 interior driver 10, battery 6, driving motor 7 of mine car, be provided with sensor 8, on-vehicle controller 9 on the mine car 5, driver 10 has the energy recuperation function, driver 10 with receive 4 line connection of mechanism, battery 6 drive motor 7 with driver 10 is connected, smooth touch net 3 with receive 4 sliding connection of mechanism, receive mechanism 4 and be connected with the electric energy meter, receive mechanism 4 the electric energy meter the driver 10 the battery 6 driving motor 7 with on-vehicle controller 9 line connection.

In the above structure, the sensor 8 is used for detecting the relative position of the mine car 5 and the trolley wire net 3; an LC passive filter and an APF active filter are arranged in the transformer substation 2; the driver 10 is used for driving the mine car and recovering mechanical energy generated when the mine car 5 is braked, and the electric energy meter 16 is used for metering electric energy consumed by the mine car 5 and recovering electric energy fed back to the sliding contact wire net 3 by energy recovery; and feeds back data of the supply amount and the return amount to the on-vehicle controller 9.

In this embodiment, the wiping line net 3 has a three-phase and two-wire structure.

By adopting the structure, the power supply safety is ensured by the power supply double-loop, and the sliding net is separated to improve the running efficiency of the mine car 5.

In the present embodiment, the pantograph mechanism includes a first pantograph 11, a second pantograph 12, and a third pantograph 13, and the first pantograph 11, the second pantograph 12, and the third pantograph 13 are respectively controlled by the onboard controller 9 through signal connection with the onboard controller 9.

In this embodiment, a carbon dioxide fire extinguishing mechanism 14 is installed at the battery 6.

In the above structure, the carbon dioxide fire extinguishing mechanism 14 is an independent mechanism and is not connected with other structures, and when the mine car 5 has an accident, the carbon dioxide fire extinguishing mechanism 14 operates independently to extinguish fire.

In this embodiment, the transformer substation 2 and the vehicle-mounted controller 9 are both connected with a communication module 15, and are connected through 4G/5G data to form a smart mine cloud internet of things.

In the structure, the communication module 15 is arranged to perform data interaction with the terminal processing center, so that a worker can perform data interaction with the terminal processing center through the mobile device and send an operation instruction to the terminal processing center through the mobile device.

Earlier stage work: the trolley wire net 3 needs to be erected along a mine road, a limit sensor 8 is arranged at a power supply limit position of the trolley wire net 3, and a limit area is surrounded by the limit sensors 8. The working principle is as follows: the power inlet wire 1 is connected to a transformer substation 2, power supply harmonic waves caused by operation of a mine car are inhibited by an LC passive filter and an APF active filter, the transformer substation 2 is switched on, a trolley wire network 3 is powered on, an operator sends an operation instruction at a terminal processing center, a sensor 8 constantly detects whether the mine car 5 is in a limit area and the relative position of the mine car 5 in the limit area after receiving the operation instruction sent by the terminal processing center through a communication module 15, if the mine car 5 is in the limit area, the vehicle-mounted controller 9 controls a first pantograph 11, a second pantograph 12 and a third pantograph 13 to rise, the vehicle-mounted controller 9 judges the relative position of the mine car 5 and the trolley wire network 3 and constantly adjusts the positions of the first pantograph 11, the second pantograph 12 and the third pantograph 13 to be fully contacted with the trolley wire network 3, a pantograph mechanism 4 transfers electric energy to a driver 10, the electric energy is transferred to a driving motor 7 and a storage battery 6 respectively after power supply conversion is carried out, the driving motor 7 is powered on and operates, and the storage battery 6 stores electricity; if the mine car 5 is outside the limit area, the vehicle-mounted controller 9 controls the first pantograph 11, the second pantograph 12 and the third pantograph 13 to descend, and the vehicle-mounted controller 9 controls the storage battery 6 to discharge to provide electric energy required by operation for the driving motor 7; when the mine car 5 goes down the slope, the driver 10 recovers the mechanical energy generated when the mine car 5 brakes and converts the mechanical energy into electric energy, and the generated electric energy is transmitted to the trolley wire net 3 through the power receiving mechanism 4; the electric energy meter 16 feeds back data of the power supply amount and the electricity return amount to the vehicle-mounted controller 9, and the vehicle-mounted controller 9 receives the data and then transmits the data to the terminal processing center through the communication module 15.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an electric mine car's smooth net power supply system of three-phase, includes into electric wire, transformer substation, wiping line net, receives electric mechanism, mine car and is located driver, battery, driving motor in the mine car, its characterized in that: be provided with sensor, on-vehicle controller on the mine car, the driver has the energy recuperation function, the driver with receive electric mechanism line connection, the battery drive motor with the driver is connected, sliding contact net with receive electric mechanism sliding connection, receive electric mechanism and be connected with the electric energy meter, receive electric mechanism the electric energy meter the driver the battery drive motor with on-vehicle controller line connection.

2. The three-phase sliding grid power supply system of the electric mine car as claimed in claim 1, characterized in that: the sliding contact wire net is of a three-phase double-loop structure.

3. The three-phase sliding grid power supply system of the electric mine car as claimed in claim 1, characterized in that: the pantograph mechanism comprises a first pantograph, a second pantograph and a third pantograph, and the first pantograph, the second pantograph and the third pantograph are respectively connected with the vehicle-mounted controller through lines.

4. The three-phase sliding net power supply system of the electric mine car as claimed in claim 1, wherein: and a carbon dioxide fire extinguishing mechanism is arranged at the storage battery.

5. The three-phase sliding net power supply system of the electric mine car as claimed in claim 1, wherein: the transformer substation and the vehicle-mounted controller are both connected with communication modules.