Automatic polarity switching circuit and electronic device
An automatic conversion and circuit technology, applied in the direction of logic circuit, logic circuit connection/interface layout, logic circuit coupling/interface using field effect transistors, etc., can solve the damage of battery power or external devices, and the external devices cannot be powered normally. and other problems to ensure the effect of normal work
Active Publication Date: 2016-05-11
XIAN SYST SENSOR ELECTRONICS
View PDF3 Cites 2 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Once the positive and negative polarities are reversed, either the external device will not receive normal power supply, or it will cause large or small damage to the battery, power supply or external device
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0035] The implementation of the present invention will be described in detail below in conjunction with the accompanying drawings and examples, so as to fully understand and implement the process of how to apply technical means to solve technical problems and achieve technical effects in the present invention. It should be noted that, as long as there is no conflict, each embodiment and each feature in each embodiment of the present invention can be combined with each other, and the formed technical solutions are all within the protection scope of the present invention.
[0036] The purpose of the present invention is to provide an automatic polarity switching circuit that can adapt to any connection of the polarity of the power supply / communication line. Such as figure 1 Shown is a schematic block diagram of the polarity automatic switching circuit of the embodiment of the present invention.
[0037] refer to figure 1 , the polarity automatic switching circuit of this embo...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention discloses an automatic polarity switching circuit and an electronic device. The circuit comprises an input port, an output port, a first switch-on module and a second switch-on module; and the input port is connected with the output port respectively through the first switch-on module and the second switch-on module. According to the circuit and the device of the invention, polarities are automatically switched, namely, the first output pin and the second output pin of the output port always respectively output the positive electrode potential and the negative electrode potential of a power supply / communication line regardless of the means of the power supply / communication line connecting to the input and output ports; therefore, the circuit and the device of the invention is applicable to random polarity connection of the power supply / communication line; the normal working of an external instrument is ensured; and meanwhile, the damage to a battery, a power supply or the external instrument is effectively avoided.
Description
technical field [0001] The invention relates to the technical fields of power supply circuit and serial communication, in particular to an automatic polarity switching circuit which can adapt to any connection of the polarity of a power supply or a communication line, and also relates to an electronic device with the automatic polarity switching circuit. Background technique [0002] At present, the vast majority of batteries (such as lithium batteries, lithium polymer batteries, and nickel-metal hydride batteries) on the market, other DC power supplies, and serial data communication input wiring of equipment need to be connected strictly according to the positive and negative polarity. Once the positive and negative polarities are reversed, either the external device will not receive normal power supply, or it will cause large or small damage to the battery, power supply or external device. [0003] Therefore, there is an urgent need for an automatic polarity switching circ...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Applications(China)
IPC IPC(8): H03K19/0185
CPCH03K19/018507
Inventor 郑杰曾意忠胡微李忠浩
Owner XIAN SYST SENSOR ELECTRONICS