Variable-frequency generator unit
A technology for generating sets and generators, which is applied to engine components, engine cooling, machines/engines, etc., and can solve the problem of component damage, adverse effects on component performance, entrainment of rainwater or water droplets into the inverter. Side and attached to the components, etc., to achieve the effect of being conducive to waterproof and dustproof, and conducive to air intake
Pending Publication Date: 2020-04-28
LONCIN MOTOR
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Problems solved by technology
In the process of realizing the present invention, the inventor found that the cooling method of the frequency converter in the prior art has the following problems: when the cooling air passes through the cover of the frequency converter, it will simultaneously sweep the heat sink side and the component integration side of the frequency converter, so that When the generator set is used under the condition of rain or high air humidity, the cooling wind may carry rainwater or water droplets into the component integration side of the inverter and adhere to the components, which may cause damage to the components; at the same time, the air The dust and other tiny particles in the air will enter the component integration side with the cooling air, and some of them will adhere to the components. Over time, the dust and other tiny particles adsorbed and accumulated on the components will gradually increase, which may affect the performance of the components. Negative Effects
Method used
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Embodiment Construction
[0015] figure 1 It is a side view structural schematic diagram of the present invention, figure 2 It is a top view structure schematic diagram (without fuel tank) of the present invention, image 3 It is a schematic diagram of a partial decomposition structure of the present invention, Figure 4 It is an exploded schematic view of the inverter cover of the present invention. In this specification, when it comes to the orientation description, the image 3 The part 41 in the cover of the frequency converter is the front, and the part 42 in the cover of the frequency converter is the back, and the left, right, upper (or top) and lower (or bottom) are determined accordingly. Next, the generator set of the embodiment will be described.
[0016] Such as Figure 1 to Figure 3 Shown, the frequency conversion generator set (not marked among the figure) of present embodiment has: the engine 1 that is installed on the bottom beam of frame 8, is arranged on the flywheel rotor type ...
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The invention relates to a variable-frequency generator unit. The variable-frequency generator unit comprises an engine and an electric generator driven by the engine; the engine is provided with a fan cover for accommodating a cooling fan; the variable-frequency generator unit is characterized by further comprising a frequency converter, a frequency converter cover for accommodating the frequencyconverter and a flow guide cover, wherein a frequency converter air inlet and a frequency converter air outlet are formed in the side, facing towards a frequency converter cooling fin, of the frequency converter cover; and the flow guide cover is used for an air flue from the frequency converter cover air outlet to the fan cover, so that the variable-frequency generator unit is conducive to ensuring frequency converter and engine cooling, is conducive to water and dust prevention of frequency converter components, is conducive to reducing, even avoiding damage to the frequency converter components by dust, rainwater, water spray and the like, and is conducive to enabling wind to enter smoothly and reducing wind noise.
Description
technical field [0001] The invention relates to the field of generators, in particular to a variable frequency generator set. Background technique [0002] A generator set is a complete set of mechanical equipment that converts other forms of energy into electrical energy. It is composed of a power system, fuel system, rack system, power generation system, control system, exhaust system, etc. The frequency conversion generator set is also equipped with a frequency converter. In the existing engine-driven variable frequency generator sets, the frequency converter is placed in the frequency converter cover and arranged opposite to the fan cover, so that cooling air enters the frequency converter cover to realize cooling of the frequency converter. In the process of realizing the present invention, the inventor found that the cooling method of the frequency converter in the prior art has the following problems: when the cooling air passes through the cover of the frequency conv...
Claims
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IPC IPC(8): F01P5/06H05K7/20H02M1/00H02M5/00F02B63/04
CPCF01P5/06F02B63/044H02M1/00H02M5/00H05K7/20909
Inventor 杨建攀谭芸黄宣龙王小勇李杨
Owner LONCIN MOTOR
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