Non-polarity electronic switch

An electronic switch, non-polarity technology, applied in the direction of electronic switches, electrical components, pulse technology, etc., can solve the problems of low reliability, high switching frequency, large relay volume, etc., and achieve the effect of simple and convenient installation and connection

Inactive Publication Date: 2013-03-06
HEFEI CHUANGYUAN VEHICLE CONTROL TECH
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AI-Extracted Technical Summary

Problems solved by technology

At present, the conduction mode of the non-polar power supply is mainly realized by the relay, but the relay is large in ...
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Abstract

The invention discloses a non-polarity electronic switch, which comprises a shell, wherein the shell is provided with pins 3 and 4 of a power supply loop and pins 1 and 2 of a driving circuit, two MOSFETs (Metal-Oxide-Semiconductor Field Effect Transistors) which are mutually connected are arranged in the shell, the gate electrodes of the two MOSFETs are mutually connected, and are then connected with the pin 1 of the driving circuit, the source electrodes of the two MOSFETs are mutually connected, and are then connected with the pin 2 of the driving circuit, and the drain electrodes of the two MOSFETs are connected with the pins 3 and 4 of the power supply loop. According to the invention, the drain electrodes are respectively connected with the pins 3 and 4 of the power supply loop, the pins 3 and 4 of the power supply loop are respectively used as the positive electrode connection end or a negative electrode connection end of the power supply loop, distinguishing the positive electrode and the negative electrode is not needed when the non-polarity electronic switch is connected, random butting can be performed without being limited by the polarity, and the installation and connection are simple and convenient.

Application Domain

Technology Topic

Image

  • Non-polarity electronic switch
  • Non-polarity electronic switch
  • Non-polarity electronic switch

Examples

  • Experimental program(4)

Example Embodiment

[0017] Example 1
[0018] see figure 2 , One is a non-polar electronic switch, including a housing 1, a power circuit 3 and 4 pins and a driving circuit 1 and 2 pins are provided on the housing 1, and two N-types connected to each other are provided in the housing 1. MOSFET tubes Q1 and Q2, the gates of the two N-type MOSFET tubes Q1 and Q2 are connected to pin 1 of the drive circuit after being connected to each other, and the sources of the two N-type MOSFET tubes Q1 and Q2 are connected to pin 2 of the drive circuit after being connected to each other Connected, the drains of the two N-type MOSFET tubes Q1 and Q2 are connected to the 3 and 4 pins of the power supply circuit respectively; the 1 pin of the drive circuit is connected to the positive pole of the MOSFET drive circuit 2, and the pin 2 of the drive circuit is connected to the negative pole of the MOSFET drive circuit 2. , The power loop 3 pin is connected to the positive pole (high end) of the power loop, the power loop 4 pin is connected to the negative pole (ground) of the power loop through the load RL, when the drive circuit 1 pin and the drive circuit 2 pin are connected When the voltage is greater than the turn-on voltage of the N-type MOSFET Q1 and Q2, the N-type MOSFET Q1 is turned on in the forward direction, and Q2 is turned on in the reverse low resistance, that is, the non-polar electronic switch is turned on; on the contrary, when the drive circuit 1 pin and the drive circuit When the voltage between the 2 pins is less than the cut-off voltage of the N-type MOSFET, Q1 is cut off, so that the power loop composed of the two N-type MOSFETs Q1 and Q2 is in the cut-off state of the power supply, that is, the non-polar electronic switch is turned off .

Example Embodiment

[0019] Example 2
[0020] see image 3 , One is a non-polar electronic switch, including a housing 1, a power circuit 3 and 4 pins and a driving circuit 1 and 2 pins are arranged on the housing 1, and two N-types connected to each other are arranged in the housing 1. MOSFET tubes Q1 and Q2, the gates of the two N-type MOSFET tubes Q1 and Q2 are connected to pin 1 of the drive circuit after being connected to each other, and the sources of the two N-type MOSFET tubes Q1 and Q2 are connected to pin 2 of the drive circuit after being connected to each other Connected, the drains of the two N-type MOSFET tubes Q1 and Q2 are connected to the 3 and 4 pins of the power supply circuit respectively; the 1 pin of the drive circuit is connected to the positive pole of the MOSFET drive circuit 2, and the pin 2 of the drive circuit is connected to the negative pole of the MOSFET drive circuit 2. , The power loop 3 pin is connected to the negative pole (ground) of the power loop, the power loop 4 pin is connected to the positive pole (high end) of the power loop through the load RL, when the drive circuit 1 pin and the drive circuit 2 pin When the voltage is greater than the turn-on voltage of the N-type MOSFET, the N-type MOSFET Q2 is turned on in the forward direction, and Q1 is turned on in the reverse low resistance, that is, the non-polar electronic switch is turned on; on the contrary, when the drive circuit 1 pin and the drive circuit 2 pin When the voltage between the N-type MOSFETs is lower than the cut-off voltage of the N-type MOSFET, Q2 is turned off, so that the power supply loops 3 and 4 of the two N-type MOSFETs of Q1 and Q2 are in the power-off state, that is, the non-polar electronic switch is turned off.

Example Embodiment

[0021] Example 3
[0022] see Figure 4 , One is a non-polar electronic switch, including a housing 1, a power circuit 3, 4 pins and a driving circuit 1, 2 pins are provided on the housing 1, and two P-types connected to each other are provided in the housing 1. MOSFET tubes Q1 and Q2, the gates of the two P-type MOSFET tubes Q1 and Q2 are connected to pin 1 of the drive circuit after being connected to each other, and the sources of the two P-type MOSFET tubes Q1 and Q2 are connected to pin 2 of the drive circuit after being connected to each other Connected, the drains of the two P-type MOSFET tubes Q1 and Q2 are connected to pins 3 and 4 of the power supply circuit respectively; the pin of drive circuit 1 is connected to the negative pole of MOSFET drive circuit 2, and the pin of drive circuit 2 is connected to the positive pole of MOSFET drive circuit 2. , The power loop 3 pin is connected to the positive pole (high end) of the power loop, the power loop 4 pin is connected to the negative pole (ground) of the power loop through the load RL, when the drive circuit 1 pin and the drive circuit 2 pin are connected When the voltage is greater than the turn-on voltage of the P-type MOSFET, the P-type MOSFET Q1 is turned on in the forward direction and Q2 is turned on in the reverse direction with low resistance, that is, the non-polar electronic switch is turned on; on the contrary, when the drive circuit 1 pin and the drive circuit 2 pin When the voltage between is less than the cut-off voltage of the P-type MOSFET, Q1 is cut off, so that the 3 and 4 pins of the power circuit composed of the two P-type MOSFETs Q1 and Q2 are in the cut-off state of the power supply, that is, the non-polar electronic switch is turned off.
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Description & Claims & Application Information

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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
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