Standby control device
A control device and control signal technology, applied in electrical program control, program control in sequence/logic controllers, etc., can solve problems such as large standby power consumption, reduce standby power consumption and overcome circuit complexity.
Inactive Publication Date: 2011-04-20
SHENZHEN TCL NEW-TECH CO LTD
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Problems solved by technology
[0005] The purpose of the present invention is to provide a standby control device, aiming to solve the problem of excessive standby power consumption of existing electronic products
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[0024] The technical solution provided by the invention is: when the electronic product is in standby, the power supply module supplies power to the MCU power control module and the control signal receiving module; when the electronic product receives the control signal, the MCU power supply control module controls the power supply module to supply power to the MCU, and the MCU The received control signal is analyzed to determine whether it is a power-on control signal, and if so, the power supply module is controlled to supply power to the load of the electronic product.
[0025] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0026] The functional bl...
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The invention is applied to the technical field of control of standby power consumption, providing a standby control device for controlling a standby electronic product. The standby control device comprises a control signal receiving module, an MCU power control module, an MCU and a power module; the control signal receiving module is used for receiving the control signal and transmitting the received control signal to the MCU power control module and the MCU; the MCU power control module is used for controlling the power module to supply power to the MCU after receiving the control signal transmitted from the control signal receiving module; the power module is used for supplying power to the control signal receiving module and the MCU power control module and used for supplying power tothe MCU according to the control of the MCU power control module. In the technical scheme provided by the invention, when the electronic product is standby, the MCU is not needed to supplying power, thereby preventing the defect of large power consumption of the standby electronic product caused by over-large static working current of MCU.
Description
technical field [0001] The invention belongs to the technical field of standby power consumption control, and in particular relates to a standby control device. Background technique [0002] At present, the power consumption of electronic products in the standby state is generally too high, generally 8W-16W, which is a serious waste. The reason is that the static operating current of the MCU is relatively large. In order to reduce the standby power consumption to 3W or even below 1W, many electronic product manufacturers have also adopted improvement measures. There are two main solutions: the first solution is to set up a low-power power supply (secondary power supply) for the MCU alone, so that The main power supply completely stops working; the second solution is to set up a sub-MCU with a very small quiescent operating current as a standby switch, so that the main MCU is powered off, so as to reduce the current consumption of the main power supply in the standby state. ...
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IPC IPC(8): G05B19/04
Inventor 王球
Owner SHENZHEN TCL NEW-TECH CO LTD