CN211528959U - Power signal processing circuit and power utilization system - Google Patents
Power signal processing circuit and power utilization system Download PDFInfo
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- CN211528959U CN211528959U CN202020216542.3U CN202020216542U CN211528959U CN 211528959 U CN211528959 U CN 211528959U CN 202020216542 U CN202020216542 U CN 202020216542U CN 211528959 U CN211528959 U CN 211528959U
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Abstract
The utility model relates to a power signal processing circuit and power consumption system. Wherein, power signal processing circuit includes: the control circuit is used for being electrically connected with the external controller, acquiring a control signal output by the external controller and outputting a driving signal according to the control signal; the inverter circuit is electrically connected with the control circuit and is also used for electrically connecting the direct current power supply and outputting a power supply control signal after inverting a power supply signal output by the direct current power supply according to a driving signal output by the control circuit; the power control signal is used for supplying power to the electric equipment and controlling the electric equipment. The utility model discloses an external control ware acquires control signal is connected to the control circuit electricity, according to control signal output drive signal to inverter circuit, and inverter circuit carries out output power control signal after the contravariant according to drive signal to DC power supply output's signal, realizes power supply and control to consumer through power control signal.
Description
Technical Field
The utility model relates to a signal processing technology field especially relates to a power signal processing circuit and power consumption system.
Background
Along with the development of electric equipment, the variety is more and more, and the application scene is also increasingly extensive, according to the difference of the application scene of electric equipment, except that power supply to electric equipment, still need carry out remote control to use electric equipment to can carry out work as required, to some electric equipment because the special of application scene, probably can not directly dispose the power at the application, need place in the power that has the certain distance with the power cord electricity connection in order to realize the power supply, lighting equipment for example.
Therefore, for the electric equipment in such special scenes, besides the need of setting a power line to electrically connect with the power supply, the electric equipment needs to communicate with an external controller in a wired or wireless manner.
SUMMERY OF THE UTILITY MODEL
Accordingly, there is a need for a power signal processing circuit and a power system that can simplify the wiring and transmission of power and control signals.
A power supply signal processing circuit, comprising:
the control circuit is used for being electrically connected with the external controller, acquiring a control signal output by the external controller and outputting a driving signal according to the control signal;
the inverter circuit is electrically connected with the control circuit and is also used for electrically connecting the direct current power supply and outputting a power supply control signal after inverting a power supply signal output by the direct current power supply according to a driving signal output by the control circuit; the power control signal is used for supplying power to the electric equipment and controlling the electric equipment.
In one embodiment, the control circuit comprises:
the coding circuit is electrically connected with the external controller, codes the control signal output by the external controller and outputs a coded signal;
and the driving circuit is electrically connected with the coding circuit and the inverter circuit and is used for outputting a driving signal to the inverter circuit according to the coding signal.
In one embodiment, the inverter circuit comprises a first NMOS transistor, a second NMOS transistor, a third NMOS transistor and a fourth NMOS transistor;
the grid electrode of the first NMOS tube is electrically connected with the first output end of the driving circuit, the drain electrode of the first NMOS tube is electrically connected with the positive electrode of the direct-current power supply, the source electrode of the first NMOS tube is electrically connected with the drain electrode of the second NMOS tube, and the source electrode of the first NMOS tube is used for electrically connecting the electric equipment and is used as the first output end to provide a first potential for the electric equipment;
the grid electrode of the second NMOS tube is electrically connected with the second output end of the driving circuit, the drain electrode of the second NMOS tube is electrically connected with the first input end of the electric equipment, and the source electrode of the second NMOS tube is grounded;
the grid electrode of the third NMOS tube is electrically connected with the third output end of the driving circuit, the drain electrode of the third NMOS tube is electrically connected with the positive electrode of the direct-current power supply, the source electrode of the third NMOS tube is electrically connected with the drain electrode of the fourth NMOS tube, and the source electrode of the third NMOS tube is used for electrically connecting electric equipment and is used as a second output end to provide a second potential for the electric equipment;
the grid electrode of the fourth NMOS tube is electrically connected with the fourth output end of the driving circuit, the drain electrode of the fourth NMOS tube is electrically connected with the second input end of the electric equipment, and the source electrode of the fourth NMOS tube is grounded;
the signal output by the first output end of the driving circuit is the same as the signal output by the fourth output end, and the signal output by the second output end of the driving circuit is the same as the signal output by the third output end.
In one embodiment, the inverter circuit further comprises a first capacitor;
the first end of the first capacitor is used for being electrically connected with the output end of the direct current power supply, and the second end of the first capacitor is grounded.
In one embodiment, the driving circuit comprises a first NOT gate, a second NOT gate, a first buffer gate and a second buffer gate;
the input end of the first NOT gate is electrically connected with the output end of the coding circuit, and the output end of the first NOT gate is electrically connected with the grid electrode of the first NMOS tube;
the input end of the second NOT gate is electrically connected with the output end of the coding circuit, and the output end of the second NOT gate is electrically connected with the grid electrode of the fourth NMOS tube;
the input end of the first buffer gate is electrically connected with the output end of the coding circuit, and the output end of the first buffer gate is electrically connected with the grid electrode of the second NMOS tube;
the input end of the second buffer gate is electrically connected with the output end of the coding circuit, and the output end of the second buffer gate is electrically connected with the grid electrode of the third NMOS tube.
An electrical system comprising: the power supply comprises electric equipment, a signal restoring circuit, a rectifying and filtering circuit and a power supply signal processing circuit;
the rectification filter circuit is electrically connected with the power supply signal processing circuit and the power supply end of the electric equipment, and is used for outputting a power supply signal to the electric equipment after rectifying and filtering a power supply control signal output by the power supply signal processing circuit, wherein the power supply signal is used for supplying power to the electric equipment;
the signal restoring circuit is electrically connected with the power signal processing circuit and the control signal end of the electric equipment and used for restoring the power control signal and outputting the control signal to the electric equipment, and the control signal is used for controlling the electric equipment to work.
In one embodiment, the signal restoring circuit includes:
the demodulation circuit is used for demodulating the power supply control signal to obtain a coded signal and outputting the coded signal;
and the decoding circuit is electrically connected with the demodulation circuit and the electric equipment and is used for decoding the coded signal output by the demodulation circuit to obtain a control signal and outputting the control signal to the electric equipment.
In one embodiment, a demodulation circuit includes: the circuit comprises a first resistor, a second resistor, a third resistor and a comparator;
the first end of the first resistor is electrically connected with the first output end of the power signal processing circuit, and the second end of the first resistor is electrically connected with the positive input end of the comparator;
the first end of the second resistor is electrically connected with the positive input end of the comparator, and the second end of the second resistor is electrically connected with the negative input end of the comparator;
the first end of the third resistor is electrically connected with the second output end of the power signal processing circuit, and the second end of the third resistor is electrically connected with the negative input end of the comparator;
the output end of the comparator is electrically connected with the input end of the decoding circuit.
In one embodiment, the decoding circuit includes a decoder.
In one embodiment, the rectifying and filtering circuit comprises: the first diode, the second diode, the third diode, the fourth diode and the second capacitor;
the anode of the first diode is electrically connected with the second output end of the power signal processing circuit, and the cathode of the first diode is electrically connected with the cathode of the second diode;
the anode of the second diode is electrically connected with the first output end of the power signal processing circuit, and the cathode of the second diode is used as the first direct current output end of the rectification filter circuit and is electrically connected with electric equipment;
the anode of the third diode is electrically connected with the anode of the fourth diode, and the cathode of the third diode is electrically connected with the second output end of the power supply signal processing circuit;
the anode of the fourth diode is used as a second direct current output end of the rectifying and filtering circuit and is electrically connected with the electric equipment, and the cathode of the fourth diode is electrically connected with the first output end of the power supply signal processing circuit;
the first end of the second capacitor is electrically connected with the cathode of the second diode, and the second end of the second capacitor is electrically connected with the anode of the fourth diode.
According to the power supply signal processing circuit and the power utilization system, the control circuit is electrically connected with the external controller to obtain the control signal, the driving signal is output to the inverter circuit according to the control signal, the inverter circuit inverts the power supply signal output by the direct-current power supply according to the driving signal and then outputs the power supply control signal, and power supply and control of power utilization equipment are achieved through the power supply control signal.
Drawings
FIG. 1 is a block diagram of a power signal processing circuit according to an embodiment;
FIG. 2 is a block diagram of a power signal processing circuit according to another embodiment;
FIG. 3 is a schematic diagram of a circuit configuration of a power signal processing circuit according to an embodiment;
FIG. 4 is a schematic circuit diagram of a power signal processing circuit according to another embodiment;
FIG. 5 is a block diagram of an embodiment of an electrical system;
FIG. 6 is a schematic diagram of an exemplary embodiment of an electrical system;
FIG. 7 is a diagram illustrating a waveform of an encoded signal according to an embodiment;
FIG. 8 shows a waveform of a power control signal according to an embodiment.
Detailed Description
To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present application are shown in the drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element and be integral therewith, or intervening elements may also be present. The terms "mounted," "one end," "the other end," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In one embodiment, as shown in fig. 1, there is provided a power supply signal processing circuit 100, including:
a control circuit 110, electrically connected to the external controller 200, for obtaining a control signal output by the external controller 200 and outputting a driving signal according to the control signal;
the inverter circuit 120 is electrically connected with the control circuit 110, is also electrically connected with the direct current power supply 300, and outputs a power supply control signal U2 after inverting the power supply signal Ui output by the direct current power supply 300 according to the driving signal output by the control circuit 110; the power control signal U2 is used to power the powered device 400 and control the powered device 400.
The power signal processing circuit 100 is electrically connected to the external controller 200 through the control circuit to obtain a control signal, and outputs a driving signal to the inverter circuit 120 according to the control signal, the inverter circuit 120 inverts the power signal output by the dc power supply 300 according to the driving signal and outputs a power control signal U2, and the power supply and control of the power consumption device 400 are realized through the power control signal U2.
In one embodiment, as shown in fig. 2, the control circuit 110 includes:
an encoding circuit 111 electrically connected to the external controller 200, for encoding the control signal output from the external controller 200 and outputting an encoded signal U1;
the driving circuit 112 is electrically connected to the encoding circuit 111 and the inverter circuit 120, and is configured to output a driving signal to the inverter circuit 120 according to the encoding signal U1.
Encoding is the process of formulating and converting signals or data into a form of signals that can be communicated, transmitted and stored. After acquiring the control signal, the encoding circuit 111 encodes the control signal according to a preset encoding rule, and outputs an encoding signal U1 to the driving circuit 112. The driving circuit 112 outputs a driving signal to the inverter circuit 120 according to the encoding signal U1 to drive the inverter circuit 120 to operate, which is equivalent to controlling the on/off of the switching device of the inverter circuit 120 by outputting a PWM control signal, so that the inverter circuit 120 outputs a power control signal U2 loaded with a control signal.
In one embodiment, as shown in fig. 3, the inverter circuit 120 includes a first NMOS transistor Q1, a second NMOS transistor Q2, a third NMOS transistor Q3, and a fourth NMOS transistor Q4;
the gate of the first NMOS transistor Q1 is electrically connected to the first output terminal of the driving circuit 112, the drain is electrically connected to the positive electrode of the dc power supply, the source is electrically connected to the drain of the second NMOS transistor Q2, and the source is electrically connected to the electric device 400 and serves as the first output terminal for providing the electric device 400 with the first potential;
the gate of the second NMOS transistor Q2 is electrically connected to the second output terminal of the driving circuit 112, the drain is electrically connected to the first input terminal of the electric device 400, and the source is grounded;
the gate of the third NMOS transistor Q3 is electrically connected to the third output terminal of the driving circuit 112, the drain is electrically connected to the positive electrode of the dc power supply, the source is electrically connected to the drain of the fourth NMOS transistor Q4, and the source is electrically connected to the electric device 400 and serves as the second output terminal for providing the electric device 400 with the second potential;
the gate of the fourth NMOS transistor Q4 is electrically connected to the fourth output terminal of the driving circuit 112, the drain is electrically connected to the second input terminal of the electrical device 400, and the source is grounded;
the signal output by the first output terminal of the driving circuit 112 is the same as the signal output by the fourth output terminal, and the signal output by the second output terminal of the driving circuit 112 is the same as the signal output by the third output terminal.
The first NMOS transistor Q1, the second NMOS transistor Q2, the third NMOS transistor Q3 and the fourth NMOS transistor Q4 form a full bridge inverter circuit 120, when the first output end and the fourth output end of the driving circuit 112 output high level signals and the second output end and the third output end output low level signals, the first NMOS transistor Q1 and the fourth NMOS transistor Q4 are turned on, and the second NMOS transistor Q2 and the third NMOS transistor Q3 are turned off; when the first output terminal and the fourth output terminal of the driving circuit 112 output low level signals and the second output terminal and the third output terminal output high level signals, the first NMOS transistor Q1 and the fourth NMOS transistor Q4 are turned off, and the second NMOS transistor Q2 and the third NMOS transistor Q3 are turned on. The driving circuit 112 outputs a corresponding driving signal according to the encoding signal U1, and drives and controls each NMOS transistor in the inverter circuit 120, so as to implement PWM control on the inverter circuit 120, so that the inverter circuit 120 outputs a power control signal U2 with a target frequency to the electric device 400, and the frequency of the power control signal U2 is used to transmit the control signal, thereby controlling the electric device 400 to operate while supplying power to the electric device 400.
In one embodiment, as shown in fig. 4, the inverter circuit 120 further includes a first capacitor C1;
the first end of the first capacitor C1 is electrically connected to the output end of the dc power supply 300, and the second end is grounded.
The first capacitor C1 is used for filtering and stabilizing the output of the dc power supply 300.
In one embodiment, as shown in fig. 3 and 4, the driving circuit 112 includes a first not gate, a second not gate, a first buffer gate and a second buffer gate;
the input end of the first not gate is electrically connected with the output end of the coding circuit 111, and the output end of the first not gate is electrically connected with the grid electrode of the first NMOS tube Q1;
the input end of the second not gate is electrically connected with the output end of the coding circuit 111, and the output end of the second not gate is electrically connected with the grid electrode of the fourth NMOS tube Q4;
the input end of the first buffer gate is electrically connected with the output end of the coding circuit 111, and the output end of the first buffer gate is electrically connected with the grid electrode of the second NMOS transistor Q2;
the input end of the second buffer gate is electrically connected with the output end of the coding circuit 111, and the output end of the second buffer gate is electrically connected with the gate of the third NMOS transistor Q3.
A first NOT gate and a second NOT gate are used for outputting a first driving signal to a grid of a first NMOS transistor Q1 and a grid of a fourth NMOS transistor Q4 respectively, a first buffer gate and a second buffer gate are used for outputting a second driving signal to a grid of a second NMOS transistor Q2 and a grid of a third NMOS transistor Q3 respectively, the level of the first driving signal is opposite to that of the second driving signal, when the output end of the coding circuit 111 outputs high level, the first NOT gate and the second NOT gate output low level to the grid of the first NMOS transistor Q1 and the grid of the fourth NMOS transistor Q4 respectively, the first buffer gate and the second buffer gate output high level to the grid of a second NMOS transistor Q2 and the grid of the third NMOS transistor Q3 respectively, so that the first NMOS transistor Q1 and the fourth NMOS transistor Q4 are cut off at the moment, and the second NMOS transistor Q2 and the third NMOS transistor Q3 are switched on; when the output end of the encoding circuit 111 outputs a low level, the first not gate and the second not gate respectively output a high level to the gate of the first NMOS transistor Q1 and the gate of the fourth NMOS transistor Q4, the first buffer gate and the second buffer gate respectively output a low level to the gate of the second NMOS transistor Q2 and the gate of the third NMOS transistor Q3, so that the first NMOS transistor Q1 and the fourth NMOS transistor Q4 are turned on, and the second NMOS transistor Q2 and the third NMOS transistor Q3 are turned off, thereby implementing PWM control on the inverter circuit 120, and enabling the inverter circuit 120 to output the power control signal U2 with the target frequency to the electric device 400.
In one embodiment, the driving circuit 112 may also be implemented by using a driving transformer or a driving chip, and output a corresponding driving signal according to the encoding signal U1, and implement PWM control of the inverter circuit by using the driving signal.
In one embodiment, as shown in fig. 5, there is also provided an electricity utilization system, including: the power consumption device 400, the signal restoring circuit 600, the rectifying and filtering circuit 500 and the power signal processing circuit 100;
the rectifying and filtering circuit 500 is electrically connected to the power supply signal processing circuit 100 and a power supply end of the electrical equipment 400, and is configured to output a power supply signal U to the electrical equipment 400 after rectifying and filtering a power supply control signal U2 output by the power supply signal processing circuit 100, where the power supply signal U is used to supply power to the electrical equipment 400;
the signal restoring circuit 600 is electrically connected to the power signal processing circuit 100 and the control signal end of the electric device 400, and is configured to restore the power control signal U2 and output a control signal to the electric device 400, where the control signal is used to control the electric device 400 to operate.
After the power signal processing circuit 100 is connected to the dc power supply 300, the power control signal U2 is output to the electric device 400 according to the control signal output by the external controller 200, and the power control signal U2 is an ac signal and needs to be rectified and filtered by the rectifying and filtering circuit 500 to supply power to the electric device 400.
The power control signal U2 is a signal obtained by loading a control signal on a power signal, and the signal restoration circuit 600 is required to restore the power control signal U2, extract the control signal, and output the control signal to the electric device 400, thereby controlling the electric device 400 to operate.
In one embodiment, the signal restoring circuit 600 includes:
the demodulation circuit is used for demodulating the power supply control signal U2 to obtain an encoded signal U1 and outputting an encoded signal U1;
and the decoding circuit is electrically connected with the demodulation circuit and the electric equipment 400 and is used for decoding the coded signal U1 output by the demodulation circuit to obtain a control signal and outputting the control signal to the electric equipment 400.
Demodulation is the process of recovering a message from a modulated signal carrying information. In order to realize signal transmission, the control circuit 110 necessarily needs to encode the control signal, and therefore, the demodulation circuit needs to extract the encoded signal U1 from the power supply control signal U2 and output the signal to the decoding circuit for decoding. Decoding is a process of restoring a digital code to its contents or converting an electric pulse signal, an optical signal, a radio wave, etc. into information, data, etc. represented by it in a specific way. Decoding is the process by which the recipient restores the received symbol or code to information, corresponding to the encoding process. The decoding circuit is used for reducing the encoding signal U1 into a control signal, and the control signal is output to the electric equipment 400, so that the electric equipment 400 can be controlled.
In one embodiment, as shown in fig. 6, the demodulation circuit includes: the circuit comprises a first resistor R1, a second resistor R2, a third resistor R3 and a comparator;
a first end of the first resistor R1 is electrically connected to the first output end of the power signal processing circuit 100, and a second end is electrically connected to the positive input end of the comparator;
a first end of the second resistor R2 is electrically connected to the positive input end of the comparator, and a second end is electrically connected to the negative input end of the comparator;
a first end of the third resistor R3 is electrically connected to the second output end of the power signal processing circuit 100, and a second end is electrically connected to the negative input end of the comparator;
the output end of the comparator is electrically connected with the input end of the decoding circuit.
The first resistor R1 and the second resistor R2 divide the voltage of the signal output by the first output terminal of the power signal processing circuit 100 and output the divided signal to the positive input terminal of the comparator, the third circuit and the second resistor R2 divide the voltage of the signal output by the second output terminal of the power signal processing circuit and output the divided signal to the negative input terminal of the comparator, and when the voltage of the positive input terminal is greater than the voltage of the negative input terminal, a high level is output; when the voltage at the positive input terminal is less than that at the negative input terminal, a low level is output, and the encoded signal U1 can be recovered.
In one embodiment, the comparator in the demodulation circuit may be replaced by an operational amplifier or a transformer according to the signal characteristics, and if the power control signal U2 is a low-voltage high-frequency signal, the comparator may be used; if the power control signal U2 is a low voltage low frequency signal, an operational amplifier may be used; if the power control signal U2 is a high voltage signal, a transformer may be used.
In one embodiment, the decoding circuit includes a decoder.
Decoding is the inverse of encoding, and a decoder is a device that restores information from an encoded form to its original form. The decoder is used to decode the encoded signal U1 to obtain the control signal.
In one embodiment, as shown in fig. 6, the rectifying and filtering circuit 500 includes: a first diode D1, a second diode D2, a third diode D3, a fourth diode D4, and a second capacitor C2;
the anode of the first diode D1 is electrically connected to the second output terminal of the power signal processing circuit 100, and the cathode is electrically connected to the cathode of the second diode D2;
the anode of the second diode D2 is electrically connected to the first output terminal of the power signal processing circuit 100, and the cathode is electrically connected to the electric device 400 as the first dc output terminal of the rectifying and filtering circuit 500;
the anode of the third diode D3 is electrically connected to the anode of the fourth diode D4, and the cathode is electrically connected to the second output terminal of the power signal processing circuit 100;
the anode of the fourth diode D4 is electrically connected to the electric equipment 400 as the second dc output terminal of the rectifying and filtering circuit 500, and the cathode is electrically connected to the first output terminal of the power signal processing circuit 100;
the second capacitor C2 has a first terminal electrically connected to the cathode of the second diode D2 and a second terminal electrically connected to the anode of the fourth diode D4.
The first diode D1, the second diode D2, the third diode D3, and the fourth diode D4 form a bridge rectifier circuit, which rectifies the power control signal U2 output by the power signal processing circuit 100, and the second capacitor C2 is used to filter the rectified signal and then output the power supply signal U to the electric equipment 400.
In one embodiment, bridge rectification is an improvement over half-wave diode rectification to convert ac power to dc power by rectifying with diode unidirectional conduction. The half-wave rectification utilizes the unidirectional conduction characteristic of a diode, under the condition that the input is a standard sine wave, the output obtains the positive half part of the sine wave, the negative half part is lost, full wave can be reserved by bridge rectification, and the half-wave rectification is equivalent to full-wave rectification, but a transformer with a tap is required to be configured in the full-wave rectification circuit.
In one embodiment, the rectifying part circuit can also adopt a voltage-multiplying rectifying circuit or a current-multiplying rectifying circuit.
In one embodiment, as shown in fig. 7, taking the control signal as 1010 as an example, assuming that the control signal is encoded by using the rule of signal transmission 1 at the frequency F1 and signal transmission 0 at the frequency F2, the encoded signal U1 is output to the driving circuit 112, the driving level outputs a corresponding driving signal according to the encoded signal U1, if the time t in the encoded signal U1 is high level, then both the first not gate and the second not gate output low level, and both the first buffer gate and the second buffer gate output high level; if the time t in the encoded signal U1 is low, then both the first not gate and the second not gate output high level, and both the first buffer gate and the second buffer gate output low level. The driving circuit 112 drives the inverter circuit 120 to output a power control signal U2 (shown in fig. 8) to the rectifying and filtering circuit 500 by outputting a driving signal corresponding to the encoded signal U1, and the rectifying and filtering circuit 500 rectifies and filters the power control signal U2 and outputs a power supply signal U to the electric equipment 400 to supply power to the electric equipment 400; the demodulation circuit in the signal restoration circuit 600 extracts the encoded signal U1 from the power control signal U2, the decoding circuit decodes the encoded signal U1, and the restored control signal is output to the electric equipment 400 to control the electric equipment 400 to operate.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A power supply signal processing circuit, comprising:
the control circuit is electrically connected with the external controller, is used for acquiring a control signal output by the external controller and outputs a driving signal according to the control signal;
the inverter circuit is electrically connected with the control circuit and is also used for being electrically connected with a direct current power supply, inverting the power supply signal output by the direct current power supply according to the driving signal output by the control circuit and outputting a power supply control signal; the power supply control signal is used for supplying power to electric equipment and controlling the electric equipment.
2. The power supply signal processing circuit of claim 1, wherein the control circuit comprises:
the coding circuit is electrically connected with the external controller, codes the control signal output by the external controller and outputs a coding signal;
and the driving circuit is electrically connected with the coding circuit and the inverter circuit and is used for outputting a driving signal to the inverter circuit according to the coding signal.
3. The power signal processing circuit according to claim 2, wherein the inverter circuit comprises a first NMOS transistor, a second NMOS transistor, a third NMOS transistor, and a fourth NMOS transistor;
the grid electrode of the first NMOS tube is electrically connected with the first output end of the driving circuit, the drain electrode of the first NMOS tube is electrically connected with the positive electrode of the direct-current power supply, the source electrode of the first NMOS tube is electrically connected with the drain electrode of the second NMOS tube, and the source electrode of the first NMOS tube is used for being electrically connected with electric equipment and used as the first output end to provide a first potential for the electric equipment;
the grid electrode of the second NMOS tube is electrically connected with the second output end of the driving circuit, the drain electrode of the second NMOS tube is electrically connected with the first input end of the electric equipment, and the source electrode of the second NMOS tube is grounded;
the grid electrode of the third NMOS tube is electrically connected with the third output end of the driving circuit, the drain electrode of the third NMOS tube is electrically connected with the positive electrode of the direct-current power supply, the source electrode of the third NMOS tube is electrically connected with the drain electrode of the fourth NMOS tube, and the source electrode of the third NMOS tube is used for being electrically connected with electric equipment and used as a second output end to provide a second potential for the electric equipment;
the grid electrode of the fourth NMOS tube is electrically connected with the fourth output end of the driving circuit, the drain electrode of the fourth NMOS tube is electrically connected with the second input end of the electric equipment, and the source electrode of the fourth NMOS tube is grounded;
the signal output by the first output end of the driving circuit is the same as the signal output by the fourth output end, and the signal output by the second output end of the driving circuit is the same as the signal output by the third output end.
4. The power signal processing circuit of claim 3, wherein the inverter circuit further comprises a first capacitor;
the first end of the first capacitor is used for being electrically connected with the output end of the direct current power supply, and the second end of the first capacitor is grounded.
5. The power supply signal processing circuit of claim 3, wherein the driving circuit comprises a first not gate, a second not gate, a first buffer gate and a second buffer gate;
the input end of the first NOT gate is electrically connected with the output end of the coding circuit, and the output end of the first NOT gate is electrically connected with the grid electrode of the first NMOS tube;
the input end of the second NOT gate is electrically connected with the output end of the coding circuit, and the output end of the second NOT gate is electrically connected with the grid electrode of the fourth NMOS tube;
the input end of the first buffer gate is electrically connected with the output end of the coding circuit, and the output end of the first buffer gate is electrically connected with the grid electrode of the second NMOS tube;
the input end of the second buffer gate is electrically connected with the output end of the coding circuit, and the output end of the second buffer gate is electrically connected with the grid electrode of the third NMOS tube.
6. An electrical system, comprising: an electric device, a signal restoring circuit, a rectifying and filtering circuit and a power supply signal processing circuit according to any one of claims 1 to 5;
the rectification filter circuit is electrically connected with the power supply signal processing circuit and the power supply end of the electric equipment, and is used for outputting a power supply signal to the electric equipment after rectification filtering is carried out on a power supply control signal output by the power supply signal processing circuit, wherein the power supply signal is used for supplying power to the electric equipment;
the signal restoring circuit is electrically connected with the power signal processing circuit and the control signal end of the electric equipment, and is used for restoring the power control signal and outputting a control signal to the electric equipment, and the control signal is used for controlling the electric equipment to work.
7. The power consumption system of claim 6, wherein the signal recovery circuit comprises:
the demodulation circuit is used for demodulating the power supply control signal to obtain a coded signal and outputting the coded signal;
and the decoding circuit is electrically connected with the demodulation circuit and the electric equipment and is used for decoding the coded signal output by the demodulation circuit to obtain the control signal and outputting the control signal to the electric equipment.
8. The power consumption system of claim 7, wherein the demodulation circuit comprises: the circuit comprises a first resistor, a second resistor, a third resistor and a comparator;
the first end of the first resistor is electrically connected with the first output end of the power supply signal processing circuit, and the second end of the first resistor is electrically connected with the positive input end of the comparator;
the first end of the second resistor is electrically connected with the positive input end of the comparator, and the second end of the second resistor is electrically connected with the negative input end of the comparator;
the first end of the third resistor is electrically connected with the second output end of the power supply signal processing circuit, and the second end of the third resistor is electrically connected with the negative input end of the comparator;
the output end of the comparator is electrically connected with the input end of the decoding circuit.
9. The power consumption system of claim 7, wherein the decoding circuit comprises a decoder.
10. The power consumption system of claim 6, wherein the rectifier filter circuit comprises: the first diode, the second diode, the third diode, the fourth diode and the second capacitor;
the anode of the first diode is electrically connected with the second output end of the power supply signal processing circuit, and the cathode of the first diode is electrically connected with the cathode of the second diode;
the anode of the second diode is electrically connected with the first output end of the power signal processing circuit, and the cathode of the second diode is used as the first direct current output end of the rectification filter circuit and is electrically connected with the electric equipment;
the anode of the third diode is electrically connected with the anode of the fourth diode, and the cathode of the third diode is electrically connected with the second output end of the power supply signal processing circuit;
the anode of the fourth diode is used as a second direct current output end of the rectification filter circuit and is electrically connected with the electric equipment, and the cathode of the fourth diode is electrically connected with the first output end of the power supply signal processing circuit;
the first end of the second capacitor is electrically connected with the cathode of the second diode, and the second end of the second capacitor is electrically connected with the anode of the fourth diode.
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| CN202020216542.3U CN211528959U (en) | 2020-02-26 | 2020-02-26 | Power signal processing circuit and power utilization system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111273585A (en) * | 2020-02-26 | 2020-06-12 | 佛山市斯特美光电科技有限公司 | Power signal processing circuit and power utilization system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111273585A (en) * | 2020-02-26 | 2020-06-12 | 佛山市斯特美光电科技有限公司 | Power signal processing circuit and power utilization system |
| CN111273585B (en) * | 2020-02-26 | 2024-07-05 | 佛山市联汉电子科技有限公司 | Power supply signal processing circuit and power utilization system |
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