Power unit of electric cableway tractor

Abstract

The utility model relates to a power unit of an electric cableway tractor, which comprises a power supply bin divided into an upper bin and a lower bin, the upper bin is a control bin for distributing power and controlling an execution unit, the lower bin is a power supply bin for providing a power supply, one side of the upper bin is provided with an inverter, and the other side of the upper bin is divided into an upper layer and a lower layer through a partition plate; a power battery pack is mounted in the lower bin; a brake resistor and a brake unit are mounted on the lower layer of the upper chamber; a microcomputer control unit, a remote control module, a remote voice control module, a low-voltage junction box, a DC / DC module, a 24V switching power supply and a motor controller are installed on the upper layer of the upper bin. According to the power unit of the electric cableway tractor, the electric cableway tractor adopting the control unit can realize accurate stepless speed control and position positioning. Meanwhile, through the integrated sensor and the remote monitoring technology, the operation state and fault information of the equipment can be monitored in real time, and the reliability and safety of the equipment are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to engineering machinery technology field for power transmission line construction, especially point to a kind of electric cableway tractor power unit. BACKGROUND

[0002] At present, power transmission line construction develops towards green and intelligent direction, and electric equipment has natural advantages in green and intelligent construction scheme. In the construction of power transmission and transformation line, overhead freight cableway is widely used to complete the transportation of various engineering materials and construction equipment. The cableway transportation method overcomes the dependence on external conditions of traditional material transportation methods (human transportation, animal power transportation, waterway shipping, automobile land transportation, etc.), and has high economic and technical performance.

[0003] The cableway tractor is used to complete the traction work of cableway construction material transportation, and is a crucial traction equipment in cableway construction. The performance of the cableway tractor directly determines the transportation efficiency of the overhead freight cableway.

[0004] However, the traditional cableway tractor uses an internal combustion engine as a power source, which faces the problem of effective power reduction in highland and low temperature environment. To solve this construction difficulty and respond to relevant policies and trends, an electric cableway tractor power unit is urgently needed. CONTENT OF THE UTILITY MODEL

[0005] Therefore, the utility model solves the problem that the internal combustion engine is used as the power source of the cableway tractor in the prior art, which has more restrictions in special environmental conditions and low work efficiency.

[0006] To solve the above technical problems, the utility model provides an electric cableway tractor power unit, which comprises: a power supply compartment divided into upper and lower compartments, wherein the upper layer of the power supply compartment is an upper compartment, the upper compartment is a control compartment for power distribution and control execution unit, and the lower layer of the power supply compartment is a lower compartment, the lower compartment is a power supply compartment providing power, the upper compartment and the lower compartment are separated by a partition plate, one side of the upper compartment is provided with an inverter, and the other side of the upper compartment is separated into upper and lower layers by a partition plate; a power battery pack is installed in the lower compartment; a braking resistor and a braking unit are installed in the lower layer of the upper compartment; a microcomputer control unit, a remote control module, a remote voice control module, a low-voltage junction box, a DC / DC module, a 24V switching power supply and a motor controller are installed in the upper layer of the upper compartment.

[0007] In one embodiment of the utility model, the power battery pack is used to store electric energy to provide power for the equipment, and the power battery pack is composed of a plurality of blade batteries.

[0008] In one embodiment of the utility model, the braking unit is used to control the on-off of the braking resistor.

[0009] In one embodiment of the utility model, the microcomputer control unit is used for receiving various information of cableway traction machine collected by each sensor in real time, and the microcomputer control unit is electrically connected with the low-voltage junction box.

[0010] In one embodiment of the utility model, the remote control module is used for receiving signals of the main remote controller and the auxiliary remote controller, and the remote control module is electrically connected with the low-voltage junction box.

[0011] In one embodiment of the utility model, the remote voice control module is connected with external detection hardware equipment.

[0012] In one embodiment of the utility model, the input end of the low-voltage junction box is connected with the 24V switching power supply, and the output end of the low-voltage junction box is used for supplying power to other elements.

[0013] In one embodiment of the utility model, the DC / DC module is used for converting high-voltage direct current into 24V low-voltage direct current.

[0014] In one embodiment of the utility model, the 24V switching power supply is used for converting 220V power supply provided by the inverter into DC 24V, and the 24V switching power supply is electrically connected with the low-voltage junction box.

[0015] In one embodiment of the utility model, the motor controller is used for motor control, and the motor controller can convert high-voltage direct current provided by the power battery pack into alternating current 380V to supply power to the motor.

[0016] The electric cableway traction machine power unit of the utility model has the following beneficial effects compared with the prior art:

[0017] Compared with the traditional internal combustion engine cableway traction machine, the electric cableway traction machine power unit can effectively reduce energy consumption and emissions.

[0018] The electric cableway traction machine power unit adopts an efficient and energy-saving electric motor as a power source, which has the advantages of stable operation, low noise, easy maintenance, etc.

[0019] Compared with the traditional internal combustion engine cableway traction machine, the electric cableway traction machine using the control unit can realize precise stepless speed control and position positioning. At the same time, through the integration of sensors and remote monitoring technology, the running state and fault information of the equipment can be monitored in real time, improving the reliability and safety of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to make the content of the utility model more easily understood clearly, the utility model is further described in detail below according to the specific embodiments of the utility model and combined with the drawings, wherein

[0021] Figure 1 Assemble the power unit of the electric cableway traction machine in the preferred embodiment of the utility model Figure 1 ;

[0022] Figure 2 Assemble the power unit of the electric cableway traction machine in the preferred embodiment of the utility model Figure 2 ;

[0023] Figure 3 Assemble the internal structure of the power unit of the electric cableway traction machine in the preferred embodiment of the utility model Figure 1 ;

[0024] Figure 4 Assemble the internal structure of the power unit of the electric cableway traction machine in the preferred embodiment of the utility model Figure 2 ;

[0025] Figure 5 The structure block diagram of the power unit of the electric cableway traction machine in the preferred embodiment of the utility model.

[0026] Description of the drawings: power supply bin 100, upper bin chamber 101, lower bin chamber 102, inverter 103, power battery pack 1, braking resistance 2, braking unit 3, microcomputer control unit 4, remote control module 5, remote voice control module 6, low-voltage junction box 7, DC / DC module 8, 24V switching power supply 9, motor controller 10, battery information acquisition box 11, battery management module 12, high-voltage relay 13, charging socket 14, low-voltage power supply interface 15, motor connection interface 16, control cable interface 17, 220V / 380V high-voltage power supply interface 18, cooling fan 19, control panel 20, touch display screen 21, frequency converter control panel 22. DETAILED DESCRIPTION

[0027] The utility model will be further described below in combination with the drawings and specific embodiments, so that the person skilled in the art can better understand the utility model and can be implemented, but the embodiment is not as the limitation of the utility model.

[0028] Reference Figures 1-5As shown, the electric cableway traction machine power unit of the utility model, including: the power supply compartment 100 is divided into two compartments, the upper layer of the power supply compartment 100 is the upper compartment 101, the upper compartment 101 is the control compartment for power distribution and control execution unit, and the lower layer of the power supply compartment 100 is the lower compartment 102, the lower compartment 102 is the power supply compartment, the upper compartment 101 and the lower compartment 102 are separated by the partition plate, one side of the upper compartment 101 is provided with the inverter 103, and the other side of the upper compartment 101 is separated into two layers by the partition plate;The power battery pack 1 is installed in the lower compartment 102;The lower layer of the upper compartment 101 is provided with the braking resistance 2 and the braking unit 3;The upper layer of the upper compartment 101 is provided with the microcomputer control unit 4, the remote control module 5, the remote voice control module 6, the low-voltage junction box 7, the DC / DC module 8, the 24V switching power supply 9 and the motor controller 10.

[0029] The battery information acquisition box 11, a plurality of battery management modules 12 and two groups of high-voltage relays 13 are installed on the outer side plate of the power battery pack 1.

[0030] The charging socket 14, the low-voltage power supply interface 15, the motor connection interface 16, the control cable interface 17, the 220V / 380V high-voltage power supply interface 18, a plurality of cooling fans 19, the control panel 20, the touch display screen 21 and the frequency converter control panel 22 are installed on the outer surface of the power supply compartment 100.

[0031] The power battery pack 1 is used for storing electric energy and providing power for equipment, and is composed of a plurality of blade batteries.

[0032] The battery information acquisition box 11 is used for monitoring the voltage and temperature of each battery in real time.

[0033] The battery management module 12 is used for cell protection, and automatically balances the energy of each battery in real time, and automatically cuts off the power supply when any battery collects information such as overvoltage, undervoltage or temperature anomaly.

[0034] The high-voltage relay 13 is used for the connection between the battery and other components, and can quickly and accurately realize the on-off of the power battery pack 1 and the external electrical system.

[0035] The inverter 103 converts the high-voltage direct current provided by the power battery pack 1 into output AC220V, and supplies power to external motor brakes, 24V switching power supplies, 220V / 380V high-voltage power supply interfaces and other electric appliances.

[0036] The microcomputer control unit 4 is used for receiving various information of the cableway traction machine collected by each sensor in real time, executing control strategy and being electrically connected with the low-voltage junction box 7.

[0037] The motor controller 10 is used for motor control, converting high-voltage direct current provided by the power battery pack 1 into 380V alternating current to power the motor, and adjusting motor parameters according to actual needs, and is electrically connected with the high-voltage relay 13.

[0038] The DC / DC module 8 is used for converting high-voltage direct current of the battery into 24V low-voltage direct current, and providing low-voltage power supply for the battery information acquisition box 11 and the battery management module 12.

[0039] The 24V switching power supply 9 is used for converting 220V power supply provided by the inverter 103 into DC 24V, and is electrically connected with the low-voltage junction box 7.

[0040] The low-voltage junction box 7 is connected with the 24V switching power supply at the input end, has multiple output ends, and is connected with the microcomputer control unit 4, the touch display screen 21, the remote control module and other low-voltage electrical elements to supply power thereto.

[0041] The remote control module is used for signal reception of the main remote controller and the auxiliary remote controller, and can realize equipment control at the loading point and the unloading point of the cableway, and is electrically connected with the low-voltage junction box 7.

[0042] The remote voice control module 6 has a Bluetooth function, and can be connected with a mobile phone to view equipment running information.

[0043] The braking unit 3 is used for controlling the on-off of the braking resistor 2, and is electrically connected with the high-voltage relay 13.

[0044] The braking resistor 2 is used for converting regenerative electric energy generated by the motor into heat energy to ensure stable operation of the electrical equipment, and is electrically connected with the braking unit 3.

[0045] The touch display screen 21 is used for displaying various parameter information of the equipment in real time, and is electrically connected with the low-voltage junction box 7 and the microcomputer control unit 4.

[0046] Various control elements such as potentiometers and switches are installed on the control panel 20, and are used for equipment operation, wherein the frequency converter panel is a separate panel, and is used for setting motor parameters, and is electrically connected with the motor controller and the low-voltage junction box.

[0047] The cooling fan 19 is used for cooling the warehouse, and is mainly used for heat dissipation when the braking resistor works, and is driven by a 24V motor blade, and is electrically connected with the low-voltage junction box 7.

[0048] The 220V / 380V high-voltage power supply interface 18 is used for supplying power to the execution structure or other electrical equipment, and is electrically connected with the inverter 103.

[0049] The low-voltage power supply interface 15 is used for supplying power to external sensors, electromagnets and other low-voltage equipment, and is electrically connected with the low-voltage junction box 7.

[0050] The control cable interface 17 is used for connecting the execution structure to communicate and control, including sensor signals, communication control signals, etc.

[0051] The charging socket 14 is used for charging the power battery pack externally and is electrically connected with the high-voltage relay.

[0052] The working principle of the electric cableway traction machine power unit of the utility model is as follows:

[0053] During operation, the control panel starts the equipment, the remote control device inputs control signals to the microcomputer control unit 4, and the microcomputer control unit 4 controls the power battery pack 1 and the external execution unit to act according to the control signals. When the main and auxiliary remote controllers input conflicting instructions, the main control instruction is given priority.

[0054] The power battery pack 1, the high-voltage relay 13, the battery information acquisition box 11, the battery management module 12, the DC / DC module 8 and the charging socket 14 form a battery system, and the battery management module 12 controls the internal closed-loop control to be completed and is responsible for the control of the battery and related components.

[0055] The braking unit 3 is triggered by voltage, and the control circuit of the braking unit 3 detects the bus voltage in real time. When the bus voltage reaches the set starting voltage (the voltage value can be set), the braking unit 3 is turned on, and the braking resistor 2 starts to work. The braking resistor 2 is a wind-cooled corrugated resistor, and a plurality of resistors are used for dissipation at the same time. In order to ensure that the braking resistor can work stably for a long time, a cooling fan is arranged to dissipate the generated heat. When the bus voltage drops to the set braking stop voltage (the voltage value can also be set), the braking unit stops working.

[0056] The control panel 20 realizes comprehensive control of the machine equipment, wherein the frequency converter panel is connected with the motor controller, and the motor setting parameters can be adjusted. When the motor connection interface is connected with different types of motors, the matching and calibration of the motor and the motor controller can be carried out.

[0057] The control cable interface 17 is a multi-core plug-in, which can support CAN, 485 and other different protocol communication control. The sensor parameters of the external execution unit are input into the microcomputer control unit through the plugged cable to form a closed-loop control.

[0058] Obviously, the above embodiments are only examples for clearly illustrating, and are not limited to the embodiments. For those skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, all the embodiments are not required to be exhausted, and the obvious changes or variations derived therefrom are still within the protection scope of the utility model.

Claims

1. A power unit for a motorized ropeway towing machine, characterized in that, Comprise: The power supply compartment is divided into upper and lower compartments, the upper layer of the power supply compartment is the upper compartment, the upper compartment is a control compartment for power distribution and control execution unit, and the lower layer of the power supply compartment is the lower compartment, the lower compartment is a power supply compartment, the upper compartment and the lower compartment are separated by a partition, one side of the upper compartment is provided with an inverter, and the other side of the upper compartment is divided into upper and lower layers by a partition; The lower compartment is provided with a power battery pack; The lower layer of the upper compartment is provided with a braking resistor and a braking unit; The upper layer of the upper compartment is provided with a microcomputer control unit, a remote control module, a remote voice control module, a low-voltage junction box, a DC / DC module, a 24V switching power supply and a motor controller.

2. The electric cableway tractor power unit according to claim 1, characterized in that: The power battery pack is used to store electric energy to provide power for the equipment, and the power battery pack is composed of a plurality of blade batteries.

3. The electric cableway tractor power unit according to claim 1, characterized in that: The braking unit is used to control the on-off of the braking resistor.

4. The electric cableway tractor power unit according to claim 1, characterized in that: The microcomputer control unit is used to receive various information of the cableway traction machine collected by each sensor in real time, and the microcomputer control unit is electrically connected with the low-voltage junction box.

5. The electric cableway tractor power unit according to claim 1, characterized in that: The remote control module is used for signal reception of the main remote controller and the auxiliary remote controller, and the remote control module is electrically connected with the low-voltage junction box.

6. The electric cableway tractor power unit according to claim 1, characterized in that: The remote voice control module is connected with external detection hardware equipment.

7. The electric cableway tow machine power unit according to claim 1, characterized in that: The input end of the low-voltage junction box is connected with the 24V switching power supply, and the output end of the low-voltage junction box is used to supply power to other elements.

8. The electric cableway tow machine power unit according to claim 1, characterized in that: The DC / DC module is used to convert high-voltage direct current into 24V low-voltage direct current.

9. The electric cableway tow tractor power unit of claim 1, wherein: The 24V switching power supply is used to convert 220V power provided by the inverter into DC 24V, and the 24V switching power supply is electrically connected with the low-voltage junction box.

10. The electric cableway tow machine power unit of claim 1, wherein: The motor controller is used for motor control, and the motor controller can convert high-voltage direct current provided by the power battery pack into alternating current 380V to supply power to the motor.

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