Load state detection method, device and electronic equipment
A technology of load state detection and detection unit, applied in electronic circuit testing, printed circuit testing and other directions, can solve the problems of high cost, occupation, unfavorable product miniaturization and integration, etc., and achieve the effect of low cost
Active Publication Date: 2020-07-17
SHENZHEN H&T INTELLIGENT CONTROL
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Problems solved by technology
Existing load state detection devices usually need to use DC reference power supply, sensors or amplifiers and other devices, the cost is high, and the circuit design is also difficult; moreover, one peripheral circuit can only detect the working state of one load, and at the same time it takes up An IO interface, the number of IO interfaces of peripheral circuits and microcontrollers is consistent with the number of loads
[0003] For electronic equipment, when it is necessary to detect multiple loads in the internal circuit system of the equipment, the peripheral circuit will take up more space, resulting in an increase in the actual product volume, which increases the product cost in disguise, and is not conducive to the miniaturization of the product. and integration
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[0047] In order to facilitate the understanding of the present invention, the present invention will be described in more detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that when an element is said to be "fixed" to another element, it may be directly on the other element, or there may be one or more intervening elements therebetween. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or one or more intervening elements may be present therebetween. The terms "vertical", "horizontal", "left", "right" and similar expressions are used in this specification for the purpose of description only.
[0048] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terms used in the description of the present invention...
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The embodiment of the invention discloses a load state detection method and device, and an electronic device. The load state detection method that is applied to a circuit system including one path ofor multiple paths of parallel loads comprises: detecting a current electrical characteristic value of a main path of the circuit system; and determining working states of g one path of or multiple paths of loads based on the current electrical characteristic value. Therefore, the working states of the loads in the circuit system are determined in real time with the low costs; and when the load state detection method and device are applied to the internal circuit system of the electronic device, the size of the electronic device is not increased.
Description
technical field [0001] The embodiments of the present invention relate to the technical field of circuit detection, in particular to a load state detection method, device and electronic equipment. Background technique [0002] The load is an important part of the external circuit system or the internal circuit system of electronic equipment. The real-time detection of the working state of the load and the timely detection and processing of the load fault are the prerequisites for the stable operation of the circuit system. Existing load state detection devices usually need to use DC reference power supply, sensors or amplifiers and other devices, the cost is high, and the circuit design is also difficult; moreover, one peripheral circuit can only detect the working state of one load, and at the same time it takes up An IO interface, the number of IO interfaces of peripheral circuits and microcontrollers is consistent with the number of loads. [0003] For electronic equipme...
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IPC IPC(8): G01R31/28
CPCG01R31/2801
Inventor 龚铭吴志明刘光林
Owner SHENZHEN H&T INTELLIGENT CONTROL