Inverter power supply that automatically adapts to the load
An inverter power supply, automatic adaptation technology, applied in the direction of electrical components, output power conversion device, AC power input conversion to DC power output, etc., can solve the problems of large starting current impact, shortened equipment life, heat generation, etc., to avoid Effect of current shock, protection from damage
Active Publication Date: 2016-05-11
TELLHOW SCI TECH CO LTD
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Problems solved by technology
[0002] At present, the use of inverters should be selected according to different characteristics of the load, such as resistance load type, fan and water pump load type, etc. If the selection is improper, it will lead to large starting current impact, severe heat generation, start-up failure, and shortened equipment life. and other problems, and even damage the equipment in severe cases
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Embodiment Construction
[0008] Such as figure 1 As shown, the present invention includes a rectification filter circuit (1), an inverter control circuit (2), an inverter bridge circuit (3), a voltage detection circuit (4), a current detection circuit (5), a load identification circuit (6), An external load (7), the rectification filter circuit 1 is connected to the inverter control circuit 2, the inverter control circuit 2 is connected to the inverter bridge circuit 3, and the output of the inverter bridge circuit 3 is connected to the external load 7. A voltage detection circuit 4 and a current detection circuit 5 are connected between the inverter bridge circuit 2 and the external load 7 , the voltage detection circuit 4 and the current detection circuit 5 are connected to a load identification circuit 6 , and the load identification circuit 6 is connected to the inverter control circuit 2 .
[0009] When the inverter power supply is connected to the load, the current and voltage of the load are tr...
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The invention discloses an inverter power supply capable of adapting to load automatically. A rectifier filter circuit of the inverter power supply is connected with an inverter control circuit, the inverter control circuit is connected with an inverter bridge circuit, the output of the inverter bridge circuit is connected with an external load, a voltage detection circuit and a current detection current are connected between the inverter bridge circuit and the external load, the voltage detection circuit and the current detection circuit are connected with a load identification circuit, and the load identification circuit is connected with the inverter control circuit. The inverter power supply has the technical effects that when the inverter power supply is connected with the load, the properties of the load can be identified, so that the load can be started by selecting different starting modes, the current surge caused by starting can be avoided, and the inverter power supply and the load can be protected from being damaged.
Description
technical field [0001] The invention relates to an inverter power supply, in particular to an inverter power supply that automatically adapts to loads Background technique [0002] At present, the use of inverters should be selected according to different characteristics of the load, such as resistance load type, fan and water pump load type, etc. If the selection is improper, it will lead to large starting current impact, severe heat generation, start-up failure, and shortened equipment life. and other problems, and even damage the equipment in severe cases. Contents of the invention [0003] The purpose of the present invention is to provide an inverter power supply that automatically adapts to the load. When the inverter power supply is connected to the load, the characteristics of the load can be identified through the current and voltage of the connected load, so that different starting methods can be selected to start the load. Avoid current impact during startup, a...
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IPC IPC(8): H02M7/5387
Inventor 邓平安
Owner TELLHOW SCI TECH CO LTD