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Low-power consumption television

A TV, low power consumption technology, applied in the TV field, can solve the problems of increased material cost, large development investment, TV start-up, etc., to achieve high reliability and improve competitiveness.

Inactive Publication Date: 2011-06-15
KONKA GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method does not increase the cost, and can also greatly reduce power consumption, but there is a problem of false startup, because any operation of the remote control will cause the TV to turn on, which is not very practical
[0006] There are various problems in the existing technology: schemes 1 and 2 will greatly increase the cost of materials, and at the same time, the original design needs to be greatly modified, and the development investment is relatively large; scheme 3, this method does not increase the cost, but can also greatly Reduce power consumption, but there is a problem of false start-up, because the operation of any remote control (such as the remote control of the air conditioner) will cause the TV to start up, which is not very practical

Method used

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Embodiment Construction

[0027] Such as figure 1 As shown, in the first embodiment of the low-power TV set of the present invention, it mainly includes a main control chip 1, an infrared receiving circuit 2 and a standby switch tube Q1; the first end of the standby switch tube Q1 is connected to the main control chip 1 The power supply pin Vcc is connected, the second end of the standby switch tube Q1 is connected to the standby power supply STB_Vcc, and the control end of the standby switch tube Q1 is connected to the infrared receiving circuit through a standby switch circuit 3; in a preferred embodiment, the standby switch tube Q1 It is a MOS tube, wherein, the first terminal of the standby switch tube Q1 is a drain, the second terminal is a source, and the control terminal is a gate. The standby switch circuit mainly includes a switch tube Q4 and a light switch Q5; wherein, the control terminal of the switch tube Q5 is the input terminal of the standby switch circuit 3, and the input terminal is c...

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Abstract

The invention relates to a low-power consumption television, which comprises a master control chip, an infrared receiving circuit and a standby switching tube Q1, wherein the first end of the standby switching tube Q1 is connected with a power pin of the master control chip, and the second end of the standby switching tube Q1 is connected with a standby power supply; the control end of the standby switching tube Q1 is connected to the infrared receiving circuit through a standby switching circuit; and the standby switching circuit comprises switching tubes Q4 and Q5. The standby switching tube can keep the standby power consumption of the television less than 500 milliwatts, and the television has high reliability and improved competitive power.

Description

technical field [0001] The invention relates to a television set, and more specifically, relates to a low-power consumption television set. Background technique [0002] At present, the standby power consumption of color TVs is generally large, generally 1W or above. In order to achieve low power consumption standby, there are currently the following methods: [0003] 1. Use a dedicated low-power standby MCU to reduce the load current during standby. However, there is a problem of increasing costs in this way, and at the same time, major modifications to the original design are required, and the development investment is relatively large; [0004] 2. Use a dedicated standby power supply to reduce power consumption during standby. This method also has the problem of a substantial increase in development investment and material costs; [0005] 3. Various electronic switches are added to the MCU power supply. The MCU does not supply power during standby, and the infrared re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/44H04N5/63G08C23/04
Inventor 邹楠
Owner KONKA GROUP