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Hybrid power battery pack, electrical control system thereof, crane and system working method

An electrical control system and hybrid power technology, applied in battery circuit devices, electric vehicles, electrical components, etc., to achieve the effects of reducing power, reducing noise pollution and exhaust emissions, and saving operating costs

Inactive Publication Date: 2015-03-25
CHANGZHOU GT ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a hybrid power battery pack to solve the technical problem of controlling the charging and discharging parameters of the storage battery in the hybrid power system

Method used

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  • Hybrid power battery pack, electrical control system thereof, crane and system working method
  • Hybrid power battery pack, electrical control system thereof, crane and system working method
  • Hybrid power battery pack, electrical control system thereof, crane and system working method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] figure 1 Shown is the wiring diagram for the hybrid battery pack.

[0030] figure 2 A connection block diagram of the battery manager host and the battery voltage and temperature detection module is shown.

[0031] Such as figure 1 As shown, a hybrid battery pack includes: several batteries 1, and each battery 1 is connected in series respectively, and each battery 1 is respectively provided with a battery voltage and temperature detection module 2, and the output terminals of each battery voltage and temperature detection module 2 It is connected to the signal acquisition terminal of the battery manager host, and the battery manager host is suitable for controlling the charging and discharging parameters of each battery 1 according to the voltage and / or temperature of the battery. Specifically, the voltage of the storage battery is controlled at 660-740V DC charging voltage, the working environment temperature of the battery is controlled within the range of -10°C ...

Embodiment 2

[0035] image 3 A block diagram of the electrical control system is shown.

[0036] Electric control system based on embodiment 1.

[0037] Such as image 3 As shown, an electrical control system for a hybrid battery pack includes: a battery power control unit with a hybrid battery pack inside, and the battery power control unit is adapted to switch the lifting mechanism in the lifting mechanism to The electric energy obtained by the rotation of the lifting motor is stored in the hybrid battery pack, and when the heavy object is lifted, the electric energy is released.

[0038] The battery power control unit includes: a PLC controller and a charging and discharging module connected to the hybrid battery pack; when the weight is lowered, the PLC controller controls the charging and discharging module to store the electric energy obtained by the rotation of the lifting motor in the In the hybrid battery pack; when the weight is lifted, the PLC controller controls the charging...

Embodiment 3

[0047] Such as Figure 1 to Figure 4 As shown, a crane on the basis of Embodiment 1 and Embodiment 2, the crane includes: a hoisting mechanism and an electrical control system, and the electrical control system includes: a battery electric power system with a hybrid battery pack inside A control unit, the battery power control unit is adapted to store the electric energy obtained from the rotation of the lifting motor in the lifting mechanism in the hybrid battery pack when the weight is lowered, and to Electric energy released.

[0048] The cranes include but are not limited to movable cranes, such as tire cranes, crawler cranes, mobile cranes, etc., and fixed cranes, such as wharf cranes, tower cranes, and gantry cranes.

[0049] Optionally, when the weight is lowered, the control and auxiliary power of the whole machine of the crane are provided by the generator.

[0050] The crane also includes a braking unit, which includes a braking resistor, and produces a braking eff...

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PUM

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Abstract

The invention relates to a hybrid power battery pack, an electrical control system thereof, a crane and a system working method. The hybrid power battery pack comprises a plurality of storage batteries which are connected in series respectively. Battery voltage and temperature detecting modules are arranged on the storage batteries. The output ends of the battery voltage and temperature detecting modules are connected with signal collecting ends of a battery management device main machine which is suitable for controlling the charging-discharging parameters of the storage batteries according to the voltage and / or the temperature of the storage batteries, so that the service life of the batteries is prolonged, and the normal working requirements of the electrical control system are met. Generator power is effectively lowered, noise pollution and exhaust emission of a generator are lowered, the operation cost of the generator is saved, and after mounting on an RTG is carried out, RTG flexible transferring working is convenient.

Description

technical field [0001] The invention relates to the field of energy utilization, in particular to a hybrid power battery pack and its electrical control system, a crane and a system working method. Background technique [0002] Conventional RTG (tire crane) adopts diesel engine power generation as the power source of the system, which is easy to use and flexible to operate. It can be operated in various storage yards throughout the terminal, so it is widely used by container terminals. [0003] Due to rising energy prices and rising loading and unloading costs, conventional RTG oil-to-electricity conversion has been or will be rebuilt in many domestic terminals. The RTG is directly powered by the terminal power supply, which greatly reduces diesel consumption and exhaust emissions. However, due to the limitation of the cable length and the position of the trolley line, the electric RTG cannot have the flexibility of being freely interspersed between various sites like the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/00B66C13/22
CPCH02J7/0013B66C13/22H02J7/0063
Inventor 杜波顾梁李勤顾文溢张盘生
Owner CHANGZHOU GT ELECTRIC
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