Circuit system and method for reducing energy consumption of electronic scale

A technology for saving power consumption and circuit system, applied in the field of devices, can solve the problems of increasing software development difficulty, increasing microprocessor resource overhead, increasing microprocessor power consumption, etc., and achieving the effect of simplifying software processing work

Active Publication Date: 2017-05-03
CHIPSEA TECH SHENZHEN CO LTD
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Problems solved by technology

But this approach will increase the resource overhead of the microprocessor, increase the power consumption of the microprocessor, and also increase the difficulty of software development

Method used

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  • Circuit system and method for reducing energy consumption of electronic scale
  • Circuit system and method for reducing energy consumption of electronic scale
  • Circuit system and method for reducing energy consumption of electronic scale

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Embodiment Construction

[0038] 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.

[0039] Please refer to figure 1 As shown, the circuit system implemented by the present invention is mainly to add an excitation source control unit in the analog-to-digital conversion chip of the electronic scale. The excitation source control unit is connected to the analog-to-digital conversion unit, and the excitation source control unit is connected to the load cell through a switch. The electronic scale automatically completes the intermittent opening and closing of the sensor excitation source, offset drift adjustment and Exceeding the threshold wakes up the microprocessor operation. There...

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Abstract

The invention discloses a circuit system and method for reducing the energy consumption of an electronic scale, and the circuit system is additionally provided with an excitation source control unit in an analog-digital conversion chip of the electronic scale. The excitation source control unit is connected to the analog-digital conversion unit, and is also connected to a weighing sensor through a switch. The electronic switch automatically completes the intermittent start and stop of a weighing sensor excitation source, the offset drift adjustment and the operation of waking up a microprocessor during the exceeding of a threshold value. The system does not consume the resource of the microprocessor when the electronic scale is in an idle state, reduces the power consumption of the sensor, and simplifies the processing steps.

Description

technical field [0001] The invention belongs to the technical field of electronic scales, in particular to a device and method for saving power consumption of electronic scales. Background technique [0002] With the rapid development of electronic scales, in order to save energy and improve the service life and efficiency of electronic scales, many electronic scales using low power consumption technology have appeared on the market. At present, the typical methods for electronic scales to achieve low power consumption are: [0003] (1) Choose a load cell with high impedance to reduce the excitation current; [0004] (2) Reduce the excitation voltage of the load cell; [0005] (3) Intermittently turn on and off the excitation source of the load cell through the microprocessor; [0006] (4) Select an analog-to-digital conversion chip and a microprocessor with low power consumption. [0007] Although the above method can effectively reduce the power consumption of electron...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/042G01G23/00
CPCG01G23/00G05B19/0423G05B2219/25257
Inventor 陈华辉
Owner CHIPSEA TECH SHENZHEN CO LTD
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