Energy efficiency testing device and method for electric hoist
A technology of electric hoist and testing method, which is applied in the directions of transportation and packaging, load hanging components, etc., can solve the problem that electric hoist has no scientific and feasible energy efficiency testing method and testing instrument, and achieve the effect of convenient and flexible installation
Active Publication Date: 2014-08-06
SPECIAL EQUIP SAFETY SUPERVISION INSPECTION INST OF JIANGSU PROVINCE
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[0004] Aiming at the problem that there is no scientific and feasible energy efficiency test method and test instrument for the energy efficiency test of electric hoist at present, the applicant has studied and improved the energy efficiency of electric hoist to provide an electric hoist energy efficiency test device and test method
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[0029] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.
[0030] Such as figure 1 As shown, the electric hoist energy efficiency testing device of the present invention includes: voltage and current conversion module 1, voltage and current sampling module 2, electric energy metering module 3, microprocessor module 4, lifting speed measurement module 5, communication module 6 and man-machine Interactive Module7.
[0031] The voltage and current conversion module 1 is composed of transformers. The primary side of the transformer is connected to the main power supply circuit of the electric hoist, and the secondary side of the transformer is connected to the voltage and current sampling module 2, which converts the large current and voltage signals of the main circuit of the electric hoist into The equivalent small current and voltage signals realize the conversion of high voltage and high current si...
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The invention discloses an energy efficiency testing device and method for an electric hoist. The device and the method are used for the energy efficiency testing and energy efficiency grade evaluation of the electric hoist. The energy consumption, energy efficiency and energy efficiency grade of the electric hoist are obtained according to the classification grade of the electric hoist by measuring energy input for the hoisting movement of the electric hoist within a plurality of running cycles as well as a potential energy variation value generated by the hoisting movement of the electric hoist within a specified working cycle. The device is convenient, flexible and independent of an electric hoist test bench, can be used for testing on a test bench of an electric hoist test room and a crane, and is significant for the energy-saving examination and supervision of the electric hoist, the promotion of an energy-saving technology for the electric hoist and the establishment of a resource-saving society.
Description
technical field [0001] The invention relates to an electric hoist, in particular to an electric hoist energy efficiency testing device and a corresponding testing method. Background technique [0002] Because of its compact structure, convenient manufacture, simple installation, simple maintenance, low price and flexible operation, the electric hoist has been widely used in the lifting mechanism of cranes. Since the mid-1950s, my country's lifting hoist industry has been developing for decades, and it has ranked among the top in the world in terms of the number of companies, scale and employment. According to incomplete statistics, there were nearly 400 electric hoist manufacturers in my country by the end of 2013. Home, with an annual output of more than 900,000 units, in the next few years, my country's electric hoist market will still maintain an average growth rate of more than 40%. According to the current average time of using electric hoists in my country, the use of ...
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IPC IPC(8): B66C13/16
Inventor 王松雷顾旭波百坚毅卢锡骏陆忠华陶成
Owner SPECIAL EQUIP SAFETY SUPERVISION INSPECTION INST OF JIANGSU PROVINCE