CN216248841U

CN216248841U - Electrode control circuit of multi-cycle multi-mode signal

Info

Publication number: CN216248841U
Application number: CN202122919952.1U
Authority: CN
Inventors: 张友烘; 陈日展
Original assignee: Xiamen Xunqiang Electronics Co ltd
Current assignee: Xiamen Xunqiang Electronics Co ltd
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2022-04-08
Anticipated expiration: 2031-11-25

Abstract

The utility model relates to the field of low-power consumption signal generation circuits, in particular to an electrode control circuit of a multi-cycle multi-mode signal, which comprises a power supply, a communication interface, a power supply circuit, a relay switch, a control switch, a signal feedback circuit, a main control chip, a signal processing module and peripheral auxiliary voltage, wherein the input end of the power supply circuit is connected with the power supply, and the output end of the power supply circuit is connected with the power supply end of the signal processing module; the voltage waveform required by the positive and negative change analog output of the voltage is realized through a software process, the normal work of a circuit is realized, the average power consumption is saved by more than ten times, and the consumption of only dozens of milliwatts is realized during the work.

Description

Electrode control circuit of multi-cycle multi-mode signal

Technical Field

The utility model relates to the field of low-power consumption signal generation circuits, in particular to an electrode control circuit of a multi-cycle multi-mode signal.

Background

The existing circuit in the existing market generates a single waveform signal which can only be processed by fixed gears, and the application field of general products is low-frequency physiotherapy equipment or electronic massagers, and many of the low-frequency physiotherapy equipment or electronic massagers are power consumption circuits of several watts or even dozens of watts.

Such as the following disadvantages

1: the waveform is single, or the driving circuit for generating the multi-waveform electrode is complex.

2: the power consumption of the physiotherapy instrument product is generally several watts of power supply, which causes a great deal of electricity waste.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the electrode control circuit of the multi-cycle multi-mode signal, which reduces the power consumption.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: an electrode control circuit of a multi-cycle multi-mode signal comprises a power supply, a communication interface, a power supply circuit, a relay switch, a control switch, a signal feedback circuit, a main control chip, a signal processing module and peripheral auxiliary voltage, wherein the input end of the power supply circuit is connected with the power supply, and the output end of the power supply circuit is connected with the power supply end of the signal processing module; the signal processing module is connected with a main control chip through a signal feedback circuit, an input interface and an output interface are arranged on the relay switch, an electrode plate is arranged in the relay switch, one end of the electrode plate is connected with the input interface, the other end of the electrode plate is connected with the output interface, the electrode plate and peripheral auxiliary voltage are both connected with the control switch, the input end of the main control chip receives high and low level signals sent by the power end of the communication interface, and the main control chip is connected with the control switch.

In order to improve the use effect of the main control chip, the utility model has the improvement that the main control chip is a singlechip.

In order to reduce the power consumption of the control switch, the utility model has the improvement that the control switch comprises a multi-channel switch chip, the multi-channel input end of the multi-channel switch chip is connected with the peripheral auxiliary voltage and the electrode plate through an electrode plate driving circuit, and the multi-channel input end of the multi-channel switch chip is connected with the main control chip through the control circuit.

In order to improve the accuracy of high and low level measurement, the utility model has the improvement that the communication interface comprises a plurality of paths, and the communication interface is connected with the signal processing module and the main control chip through a channel switching circuit.

In order to further achieve the purpose of reducing power consumption, the communication interface is an HDMI interface, the channel switching circuit includes an NPN-type triode, a base of the NPN-type triode receives a control signal sent by the main control chip, an emitter of the NPN-type triode is grounded, a collector of the NPN-type triode is connected to a hot plug detection signal end of the HDMI interface on one hand, and is connected to a power supply end of the HDMI interface through a resistor on the other hand, wherein the control signal sent by the main control chip is a switch control signal and is output through another GPIO port.

(III) advantageous effects

Compared with the prior art, the utility model provides an electrode control circuit of multi-cycle multi-mode signals, which has the following beneficial effects:

the utility model adopts single chip microcomputer software to simulate digital signals, realizes variable frequency and format output, and realizes electrode driving after voltage transformation through peripheral auxiliary voltage; the voltage waveform required by the positive and negative change analog output of the voltage is realized through a software process, the normal work of a circuit is realized, the average power consumption is saved by more than ten times, and the consumption of only dozens of milliwatts is realized during the work.

Drawings

FIG. 1 is a schematic circuit diagram of the present invention;

FIG. 2 is a schematic structural view of the present invention;

in the figure: 1. a main control chip; 2. a power source; 3. a signal processing module; 4. a relay switch; 5. a control switch; 6. a peripheral auxiliary voltage; 7. a communication interface;

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention is an electrode control circuit of multi-cycle multi-mode signal, including a power supply 2, a communication interface, a power supply circuit, a relay switch 4, a control switch 5, a signal feedback circuit, a main control chip 1, a signal processing module 3 and a peripheral auxiliary voltage 6, wherein an input end of the power supply circuit is connected to the power supply 2, and an output end of the power supply circuit is connected to a power supply end of the signal processing module 3; the signal processing module 3 is connected with the main control chip 1 through a signal feedback circuit, an input interface and an output interface are arranged on the relay switch 4, an electrode plate is arranged in the relay switch 4, one end of the electrode plate is connected with the input interface, the other end of the electrode plate is connected with the output interface, the electrode plate and the peripheral auxiliary voltage 6 are connected with the control switch 5, the input end of the main control chip 1 receives high and low level signals sent by the power supply 2 end of the communication interface, and the main control chip 1 is connected with the control switch 5.

In this embodiment, the main control chip 1 is a single chip microcomputer, and digital signals are simulated by adopting single chip microcomputer software, so as to realize variable frequency and format output.

In this embodiment, the control switch 5 includes a multi-channel switch chip, a multi-channel input end of the multi-channel switch chip is connected with the peripheral auxiliary voltage 6 and the electrode plate through an electrode plate driving circuit, the multi-channel input end of the multi-channel switch chip is connected with the main control chip 1 through a control circuit, direct connection between the control circuit and the electrode plate driving circuit and the control switch 5 is achieved, and power consumption of the control switch 5 is reduced.

In this embodiment, communication interface 7 includes the multichannel, communication interface 7 passes through channel switching circuit connection signal processing module 3 and main control chip 1, through signal processing module 3 and main control chip 1 two-way analysis high-low level signal, improves the high-low level measuring accuracy.

In this embodiment, the communication interface 7 is an HDMI interface, the channel switching circuit includes an NPN-type triode, a base of the NPN-type triode receives the control signal sent by the main control chip 1, an emitter of the NPN-type triode is grounded, a collector of the NPN-type triode is connected to a hot plug detection signal end of the HDMI interface on the one hand, and is connected to a power supply end of the HDMI interface through a resistor on the other hand, wherein the control signal sent by the main control chip 1 is a switch control signal and is output through another GPIO port of the control chip, and the operating time of the channel switching circuit is controlled through the control chip, so that the purposes of energy saving and consumption reduction are achieved.

In summary, when the multi-cycle multi-mode signal electrode control circuit is used, the relay is connected to the power supply 2 through the input interface, is connected to the electric equipment through the output end, and is connected to the power supply 2 and the signal processing module 3 through the power supply circuit, and is used for detecting the high and low levels of the power supply 2 and transmitting the detected levels to the main control chip 1 through the signal feedback circuit for analysis and processing, the main control chip 1 adopts single chip microcomputer software to simulate a digital signal to realize variable frequency and format output, and when the voltage is too low, the control switch 5 is connected to the peripheral auxiliary voltage 6, and the electrode driving circuit is connected to the electrode plate to realize variable voltage; the voltage waveform required by the positive and negative voltage change analog output is realized through a software process, the normal work of a circuit is realized, the average power consumption is saved by more than ten times, the consumption of dozens of milliwatts is only realized during the work, and the analysis and comparison data of the high and low levels on the main control chip 1 are acquired through high and low level signals input by the power supply 2 end of the communication interface 7.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The electrode control circuit of the multi-cycle multi-mode signal is characterized by comprising a power supply (2), a communication interface, a power supply circuit, a relay switch (4), a control switch (5), a signal feedback circuit, a main control chip (1), a signal processing module (3) and peripheral auxiliary voltage (6), wherein the input end of the power supply circuit is connected with the power supply (2), and the output end of the power supply circuit is connected with the power supply end of the signal processing module (3); the signal processing module (3) is connected with a main control chip (1) through a signal feedback circuit, an input interface and an output interface are arranged on a relay switch (4), an electrode plate is arranged in the relay switch (4), one end of the electrode plate is connected with the input interface, the other end of the electrode plate is connected with the output interface, the electrode plate and peripheral auxiliary voltage (6) are connected with a control switch (5), the input end of the main control chip (1) receives high and low level signals sent by a power supply (2) end of the communication interface, and the main control chip (1) is connected with the control switch (5).

2. The electrode control circuit of claim 1, wherein the main control chip (1) is a single chip.

3. The electrode control circuit of claim 2, wherein the control switch (5) comprises a multi-channel switch chip, multiple input terminals of the multi-channel switch chip are connected to the peripheral auxiliary voltage (6) and the electrode pad through the electrode pad driving circuit, and multiple input terminals of the multi-channel switch chip are connected to the main control chip (1) through the control circuit.

4. The electrode control circuit of claim 3, wherein the communication interface (7) comprises a plurality of channels, and the communication interface (7) is connected to the signal processing module (3) and the main control chip (1) through a channel switching circuit.

5. The electrode control circuit of claim 4, wherein the communication interface (7) is an HDMI interface, the channel switching circuit comprises an NPN transistor, a base of the NPN transistor receives a control signal sent by the main control chip (1), an emitter of the NPN transistor is grounded, and a collector of the NPN transistor is connected to a hot plug detection signal terminal of the HDMI interface and is connected to a power supply terminal of the HDMI interface through a resistor.

6. The electrode control circuit of claim 5, wherein the control signal sent by the main control chip (1) is a switch control signal and is output through another GPIO port.