CN111338244B - Power supply signal processing circuit and power utilization system - Google Patents
Power supply signal processing circuit and power utilization system Download PDFInfo
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- CN111338244B CN111338244B CN202010119038.6A CN202010119038A CN111338244B CN 111338244 B CN111338244 B CN 111338244B CN 202010119038 A CN202010119038 A CN 202010119038A CN 111338244 B CN111338244 B CN 111338244B
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/06—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
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Abstract
The invention relates to a power supply signal processing circuit and an electric system. Wherein, power signal processing circuit includes: the driving circuit is electrically connected with the external controller and used for acquiring an encoded signal which is output after the external controller encodes the control signal and outputting a driving signal according to the encoded signal; the signal modulation circuit is electrically connected with the driving circuit, and is also used for electrically connecting the first direct current power supply and the second direct current power supply, modulating voltage signals output by the first direct current power supply and the second direct current power supply according to driving signals output by the driving circuit and then outputting power control signals. The invention utilizes the driving circuit to output the driving signal according to the coding signal, and the signal modulation circuit controls the first direct current power supply or the second direct current power supply to be conducted according to the driving signal so as to modulate the power supply signal and then output the power supply control signal, and the power supply control signal can realize the control of the electric equipment while supplying power to the electric equipment.
Description
Technical Field
The present invention relates to the field of signal processing technologies, and in particular, to a power signal processing circuit and an electrical system.
Background
Along with the development of electric equipment, the variety is more and more various, and application scene is more and more extensive, according to the difference of the application scene of electric equipment, in addition to carrying out the power supply to electric equipment, still need carry out remote control to make electric equipment carry out work as required, because special of application scene, to some electric equipment can not dispose the power directly in the application department, need to utilize the power cord electricity to connect and place in the power that has a certain distance in order to realize the power supply, for example lighting equipment.
Therefore, for the electric equipment in the special scene, besides the power line is required to be electrically connected with a power supply, the electric equipment also needs to communicate with an external controller in a wired or wireless mode.
Disclosure of Invention
Accordingly, it is necessary to provide a power signal processing circuit and an electrical system that can simplify the wiring and transmission of power and control signals.
A power signal processing circuit comprising:
The driving circuit is electrically connected with the external controller and used for acquiring an encoded signal which is output after the external controller encodes the control signal and outputting a driving signal according to the encoded signal;
The signal modulation circuit is electrically connected with the driving circuit, and is also used for electrically connecting the first direct current power supply and the second direct current power supply, modulating voltage signals output by the first direct current power supply and the second direct current power supply according to driving signals output by the driving circuit and then outputting power control signals.
In one embodiment, the signal modulation circuit includes a switching unit;
The switch unit is used for controlling the first direct current power supply or the second direct current power supply to be connected according to the driving signal output by the driving circuit, so that the power supply control signal jumps between the first voltage output by the first direct current power supply and the second voltage output by the second direct current power supply.
In one embodiment, the switch unit includes a first NMOS transistor and a second 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 output end of the first direct current power supply, and the source electrode of the first NMOS tube is electrically connected with the drain electrode of the second NMOS tube;
The grid electrode of the second NMOS tube is electrically connected with the second output end of the driving circuit, and the source electrode of the second NMOS tube is electrically connected with the output end of the second direct current power supply;
in one embodiment, the switch unit further includes a first capacitor and a second capacitor;
the first end of the first capacitor is electrically connected with the drain electrode of the first NMOS tube, and the second end of the first capacitor is grounded;
the first end of the second capacitor is electrically connected with the source electrode of the second NMOS tube, and the second end of the second capacitor is grounded.
In one embodiment, the driving circuit includes a buffer gate and an NOT gate;
The input end of the buffer gate is used for being electrically connected with the signal output end of the external controller, and the output end is electrically connected with the grid electrode of the first NMOS tube;
The input end of the NOT gate is used for being electrically connected with the signal output end of the external controller, and the output end is electrically connected with the grid electrode of the second NMOS tube.
An electrical power consumption system, comprising: the device 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 output end of the power signal processing circuit and the power end of the electric equipment and is used for rectifying and filtering the power control signal output by the power signal processing circuit and then outputting a power signal to the electric equipment, wherein the power signal is used for supplying power to the electric equipment;
The signal restoring circuit is electrically connected with the output end of the power supply signal processing circuit and the control signal end of the electric equipment and is used for restoring the power supply 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 recovery 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 rectifying and filtering circuit and the electric equipment and is used for decoding the coded signals output by the rectifying and filtering circuit to obtain control signals and outputting the control signals to the electric equipment.
In one embodiment, the demodulation circuit includes: the first resistor, the second resistor, the third resistor, the fourth resistor, the fifth resistor and the comparator;
the first end of the first resistor is electrically connected with the 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 grounded;
the first end of the third resistor is electrically connected with the positive input end of the comparator, and the second end of the third resistor is electrically connected with the output end of the comparator;
The first end of the fourth resistor is electrically connected with the output end of the rectifying and filtering circuit, and the second end of the fourth resistor is electrically connected with the negative input end of the comparator;
the first end of the fifth resistor is electrically connected with the negative input end of the comparator, and the second end of the fifth resistor is grounded;
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, a rectifying and filtering circuit includes: the first diode, the second diode, the inductor and the third capacitor;
The anode of the first diode is electrically connected with the output end of the power signal processing circuit, and the cathode is electrically connected with the first end of the inductor;
The cathode of the second diode is electrically connected with the cathode of the first diode, and the anode is grounded;
The second end of the inductor is electrically connected with the power end of the electric equipment;
The first end of the third capacitor is electrically connected with the second end of the inductor, and the second end is grounded.
According to the power signal processing circuit and the power utilization system, the driving circuit is utilized to output the driving signal according to the coding signal, the signal modulation circuit controls the first direct current power supply or the second direct current power supply to be conducted according to the driving signal so as to output the power control signal after modulating the power signal, and the power control signal can supply power to electric equipment and simultaneously realize control of the electric equipment.
Drawings
FIG. 1 is a block diagram of a power signal processing circuit in one embodiment;
FIG. 2 is a schematic circuit diagram of a power signal processing circuit according to an embodiment;
FIG. 3 is a block diagram of an electrical system, in one embodiment;
FIG. 4 is a schematic diagram of a circuit structure of an electrical system according to an embodiment;
FIG. 5 is a waveform diagram of an encoded signal in one embodiment;
FIG. 6 is a waveform diagram of a power control signal according to one embodiment.
Detailed Description
The present invention will be described more fully hereinafter in order to facilitate an understanding of the present invention. This invention 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 and integrated with the other element 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 invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
In one embodiment, a power signal processing circuit 100 is provided, as shown in fig. 1, comprising:
The driving circuit 110 is electrically connected to the external controller 200, and is configured to obtain an encoded signal U1 output after the external controller 200 encodes the control signal, and output a driving signal according to the encoded signal U1;
The signal modulation circuit 120 is electrically connected to the driving circuit 110, and is further configured to electrically connect the first dc power supply 300 and the second dc power supply 400, modulate voltage signals output by the first dc power supply 300 and the second dc power supply 400 according to a driving signal output by the driving circuit 110, and output a power control signal U2.
The external controller 200 is configured to generate a control signal, where the control signal is used to control the electric device 500 to operate, and the encoder encodes the control signal to output an encoded signal U1 to the driving circuit 110, where the encoding is to encode and convert a signal or data into a signal form that can be used for communication, transmission and storage. After the driving signal obtains the encoded signal U1, the driving signal is output to the signal modulation circuit 120 according to the encoded signal U1.
Signal modulation is a process or treatment that changes certain characteristics of one waveform from another waveform or signal. The signal modulation circuit 120 hops between the first dc power supply 300 and the second dc power supply 400 according to the power control signal U2 that the driving signal is output, outputs the power control signal U2 loaded with the encoding signal U1 to the electric device 500, and can supply power to the electric device 500 and realize control.
According to the power supply signal processing circuit, the driving circuit is used for outputting the driving signal according to the coding signal, the signal modulation circuit is used for controlling the first direct current power supply or the second direct current power supply to be conducted according to the driving signal so as to output the power supply control signal after modulating the power supply signal, and the power supply control signal can be used for supplying power to electric equipment and simultaneously controlling the electric equipment.
In one embodiment, the signal modulation circuit 120 includes a switching unit;
The switching unit is configured to control the first dc power supply 300 or the second dc power supply 400 to be turned on according to a driving signal output by the driving circuit 110, so that the power control signal U2 jumps between a first voltage V1 output by the first dc power supply 300 and a second voltage V2 output by the second dc power supply 400.
In one embodiment, the switching unit may be implemented by a relay, and the first dc power supply 300 or the second dc power supply 400 is switched on by driving the relay to operate through a driving signal. In one embodiment, the switching unit may be implemented with multiple MOS transistors in cooperation. In one embodiment, the switching unit may be implemented using a plurality of transistor combinations.
In one embodiment, as shown in fig. 2, the switch unit includes a first NMOS transistor Q1 and a second NMOS transistor Q2;
The grid electrode of the first NMOS tube Q1 is electrically connected with the first output end of the driving circuit 110, the drain electrode is electrically connected with the output end of the first direct current power supply 300, and the source electrode is electrically connected with the drain electrode of the second NMOS tube Q2;
The gate of the second NMOS transistor Q2 is electrically connected to the second output terminal of the driving circuit 110, and the source is electrically connected to the output terminal of the second dc power supply 400.
When the driving circuit 110 outputs a high level to the first NMOS transistor Q1 and a low level to the second NMOS transistor Q2, the first NMOS transistor Q1 is turned on, the second NMOS transistor Q2 is turned off, and the first dc power supply 300 is turned on; when the driving circuit 110 outputs a low level to the first NMOS transistor Q1 and a high level to the second NMOS transistor Q2, the first NMOS transistor Q1 is turned off, the second NMOS transistor Q2 is turned on, and the second dc power supply 400 is turned on. The driving circuit 110 outputs a corresponding driving signal according to the coding signal U1, drives the first NMOS transistor Q1 and the second NMOS transistor Q2, so that the switching unit outputs a power control signal U2 with a target waveform to the electric device 500, and controls the electric device 500 to work while supplying power to the electric device 500 by using the target waveform to transfer the control signal.
In one embodiment, the switching unit further comprises: a first capacitor C1 and a second capacitor C2;
the first end of the first capacitor C1 is electrically connected with the drain electrode of the first NMOS tube Q1, and the second end is grounded;
The first end of the second capacitor C2 is electrically connected with the source electrode of the second NMOS tube Q2, and the second end is grounded.
The first capacitor C1 is used for performing filtering voltage stabilization on the first dc power supply 300, and the second capacitor C2 is used for performing filtering voltage stabilization on the second dc power supply 400.
In one embodiment, as shown in fig. 2, the driving circuit 110 includes a buffer gate and an inverter gate;
The input end of the buffer gate is used for being electrically connected with the signal output end of the external controller 200, and the output end is electrically connected with the grid electrode of the first NMOS tube Q1;
The input end of the NOT gate is electrically connected with the signal output end of the external controller 200, and the output end is electrically connected with the gate of the second NMOS tube Q2.
The buffer gate outputs a first driving signal to the gate of the first NMOS transistor Q1 to improve driving capability, the NOT gate outputs a second driving signal to the gate of the second NMOS transistor Q2, the second driving signal is opposite to the first driving signal in level, when the signal output end of the external controller 200 outputs a high level, the buffer gate outputs a high level to the gate of the first NMOS transistor Q1, and the NOT gate outputs a low level to the gate of the second NMOS transistor Q2, so that the first NMOS transistor Q1 is turned on and the second NMOS transistor Q2 is turned off at the moment; when the signal output end of the external controller 200 outputs a low level, the buffer gate outputs a low level to the gate of the first NMOS transistor Q1, and the not gate outputs a high level to the gate of the second NMOS transistor Q2, so that the first NMOS transistor Q1 is turned off and the second NMOS transistor Q2 is turned on at this time.
In one embodiment, the driving circuit 110 may be implemented by a driving chip, and outputs corresponding driving signals to the first NMOS transistor Q1 and the second NMOS transistor Q2 according to the encoding signal U1.
In one embodiment, there is also provided an electrical system comprising: the power supply comprises electric equipment 500, a signal restoring circuit 700, a rectifying and filtering circuit 600 and a power supply signal processing circuit 100;
The rectifying and filtering circuit 600 is electrically connected to the output end of the power signal processing circuit 100 and the power end of the electric device 500, and is configured to rectify and filter a power control signal U2 output by the power signal processing circuit 100, and then output a power signal U to the electric device 500, where the power signal U is used to power the electric device 500;
The signal restoring circuit 700 is electrically connected to the output end of the power signal processing circuit 100 and the control signal end of the electric device 500, and is configured to restore the power control signal U2, output the control signal to the electric device 500, and control the electric device 500 to work.
After the power signal processing circuit 100 is connected to the first direct current power supply 300 and the second direct current power supply 400, a power control signal U2 is output to the electric equipment 500 according to the coding signal U1 output by the external controller 200, and the power control signal U2 is an ac signal, and the electric equipment 500 can be powered after the power control signal U2 is rectified and filtered by the rectifying and filtering circuit 600.
Because the power control signal U2 is the power signal U loaded with the encoded signal U1, the signal restoration circuit 700 needs to restore the encoded signal U1, and finally, a control signal generated by the external controller 200 is obtained, and the control signal is output to the electric device 500, so as to control the electric device 500 to work.
In one embodiment, the signal restoration circuit 700 includes:
The demodulation circuit is used for demodulating the power supply control signal U2 to obtain a coded signal U1 and outputting the coded signal U1;
The decoding circuit is electrically connected with the rectifying and filtering circuit and the electric equipment 500 and is used for decoding the coding signal U1 output by the rectifying and filtering circuit to obtain a control signal and outputting the control signal to the electric equipment 500.
Demodulation is the process of recovering a message from a modulated signal carrying information. The demodulation circuit extracts the encoded signal U1 from the power control signal U2, and outputs the encoded signal U1 to the decoding circuit for decoding. Decoding is a process of restoring a digital code to what it represents or converting an electric pulse signal, an optical signal, a radio wave, etc. to information, data, etc. that it represents by a specific method. Decoding is a process by which a recipient restores a received symbol or code to information, corresponding to the encoding process. The decoding circuit is utilized to restore the coding signal U1 into a control signal and output the control signal to the electric equipment 500, so that the electric equipment 500 can be controlled.
In one embodiment, the demodulation circuit includes: the first resistor R1, the second resistor R2, the third resistor R3, the fourth resistor R4, the fifth resistor R5 and the comparator;
The first end of the first resistor R1 is electrically connected with the output end of the power signal processing circuit 100, and the second end is electrically connected with the positive input end of the comparator;
the first end of the second resistor R2 is electrically connected with the positive input end of the comparator, and the second end is grounded;
The first end of the third resistor R3 is electrically connected with the positive input end of the comparator, and the second end of the third resistor R3 is electrically connected with the output end of the comparator;
the first end of the fourth resistor R4 is electrically connected with the output end of the rectifying and filtering circuit, and the second end of the fourth resistor R4 is electrically connected with the negative input end of the comparator;
the first end of the fifth resistor R5 is electrically connected with the negative input end of the comparator, and the second end is grounded;
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 power control signal U2 output by the power signal processing circuit 100 and output the divided voltage to the positive input end of the comparator, the fourth resistor R4 and the fifth resistor R5 divide the voltage of the power signal U output by the rectifying filter circuit 600 and output the divided voltage to the positive input end of the comparator, and the third resistor R3 is a positive feedback resistor, and outputs a high level when the voltage of the positive input end is greater than the voltage of the negative input end; when the voltage of the positive input terminal is smaller than the voltage of the negative input terminal, a low level is output. The demodulation circuit restores the encoded signal U1 output to the driving circuit 110.
In one embodiment, the demodulation circuit further includes: a fourth capacitor C4;
The first end of the fourth capacitor C4 is electrically connected to the first end of the fifth resistor R5, and the second end is electrically connected to the second end of the fifth resistor R5.
The fourth capacitor C4 is configured to filter the voltage output to the negative input terminal of the comparator, and filter the interference signal.
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 the encoded form to its original form. The encoded signal U1 can be decoded by a decoder to obtain a control signal.
In one embodiment, the rectifying and filtering circuit 600 includes: the first diode, the second diode, the inductor and the third capacitor C3;
The anode of the first diode is electrically connected with the output end of the power signal processing circuit 100, and the cathode is electrically connected with the first end of the inductor;
The cathode of the second diode is electrically connected with the cathode of the first diode, and the anode is grounded;
the second end of the inductor is electrically connected with the power end of the electric equipment 500;
the first end of the third capacitor C3 is electrically connected with the second end of the inductor, and the second end is grounded.
The rectifying/smoothing circuit 600 includes a full-wave rectifying circuit including a first diode and a second diode, and a smoothing circuit including an inductor and a third capacitor C3. A full-wave rectifying circuit is a circuit rectifying an alternating current, in which a current flows through a first diode in one half cycle and a current flows through a second diode in the other half cycle, and the connection of the common cathode of the first diode and the second diode enables the current flowing through them to flow out to a filter circuit in the same direction. The waveform before and after rectification of the full-wave rectification circuit is different from the waveform of the half-wave rectification, and two half waves of alternating current are utilized in the full-wave rectification, so that the rectification efficiency is improved, and the rectified current is easy to smooth. The filtering circuit filters the rectified signal and outputs the filtered signal to the electric equipment 500 to supply power for the electric equipment 500.
In one embodiment, taking the encoded signal as 1010 as an example, the encoded signal U1 shown in fig. 5 is output to the driving circuit, when the output is 1, the buffer gate in the driving circuit outputs a high level, and the not gate outputs a low level; when the output is0, a buffer gate in the driving circuit outputs a low level, and a NOT gate outputs a high level, so that the switching unit outputs a power supply control signal U2 shown in fig. 6, the power supply control signal U2 is rectified and filtered by the rectifying and filtering circuit, and the power supply signal U is output to electric equipment to supply power to the electric equipment; and the power supply control signal U2 is restored by the signal restoring circuit to obtain a coding signal U1, the coding signal U1 is output to the decoding circuit to be decoded to obtain a control signal, and the decoding circuit outputs the control signal to the electric equipment to control the electric equipment to work.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (6)
1. A power signal processing circuit, comprising:
The driving circuit is electrically connected with the external controller and used for acquiring an encoded signal which is output after the external controller encodes the control signal and outputting a driving signal according to the encoded signal;
The signal modulation circuit is electrically connected with the driving circuit, and is also used for electrically connecting a first direct current power supply and a second direct current power supply, modulating power supply signals output by the first direct current power supply and the second direct current power supply according to driving signals output by the driving circuit and then outputting power supply control signals; the power supply control signal is used for supplying power to electric equipment and controlling the electric equipment;
the first voltage output by the first direct current power supply is unequal to the second voltage output by the second direct current power supply;
The signal modulation circuit comprises a switch unit;
the switch unit is used for controlling the first direct current power supply or the second direct current power supply to be connected according to a driving signal output by the driving circuit, so that the power control signal jumps between a first voltage output by the first direct current power supply and a second voltage output by the second direct current power supply;
The switch unit comprises a first NMOS tube and a second NMOS tube;
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 output end of the first direct current power supply, and the source electrode of the first NMOS tube is electrically connected with the drain electrode of the second NMOS tube;
the grid electrode of the second NMOS tube is electrically connected with the second output end of the driving circuit, and the source electrode of the second NMOS tube is electrically connected with the output end of the second direct current power supply;
The switching unit further includes: a first capacitor and a second capacitor;
The first end of the first capacitor is electrically connected with the drain electrode of the first NMOS tube, and the second end of the first capacitor is grounded;
The first end of the second capacitor is electrically connected with the source electrode of the second NMOS tube, and the second end of the second capacitor is grounded;
The driving circuit comprises a buffer gate and an NOT gate;
The input end of the buffer gate is used for being electrically connected with the signal output end of the external controller, and the output end of the buffer gate is electrically connected with the grid electrode of the first NMOS tube;
The input end of the NOT gate is used for being electrically connected with the signal output end of the external controller, and the output end of the NOT gate is electrically connected with the grid electrode of the second NMOS tube.
2. An electrical power consumption system, comprising: the power supply signal processing circuit comprises electric equipment, a signal restoring circuit, a rectifying and filtering circuit and a power supply signal processing circuit as claimed in claim 1;
The rectification filter circuit is electrically connected with the output end of the power signal processing circuit and the power end of the electric equipment, and is used for rectifying and filtering the power control signal output by the power signal processing circuit and then outputting a power signal to the electric equipment, wherein the power signal is used for supplying power to the electric equipment;
The signal restoring circuit is electrically connected with the output end of the power supply signal processing circuit and the control signal end of the electric equipment, and is used for restoring the power supply control signal and outputting the control signal to the electric equipment, and the control signal is used for controlling the electric equipment to work.
3. The electrical power consumption system of claim 2, 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 rectifying and filtering circuit and the electric equipment and is used for decoding the coded signals output by the rectifying and filtering circuit to obtain the control signals and outputting the control signals to the electric equipment.
4. A power consumption system according to claim 3, wherein the demodulation circuit comprises: the first resistor, the second resistor, the third resistor, the fourth resistor, the fifth resistor and the comparator;
The first end of the first resistor is electrically connected with the 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 grounded;
The first end of the third resistor is electrically connected with the positive input end of the comparator, and the second end of the third resistor is electrically connected with the output end of the comparator;
the first end of the fourth resistor is electrically connected with the output end of the rectifying and filtering circuit, and the second end of the fourth resistor is electrically connected with the negative input end of the comparator;
the first end of the fifth resistor is electrically connected with the negative input end of the comparator, and the second end of the fifth resistor is grounded;
the output end of the comparator is electrically connected with the input end of the decoding circuit.
5. A power consumption system according to claim 3, wherein the decoding circuit comprises a decoder.
6. A power consumption system according to claim 3, wherein the rectifying and filtering circuit comprises: the first diode, the second diode, the inductor and the third capacitor;
The anode of the first diode is electrically connected with the output end of the power signal processing circuit, and the cathode of the first diode is electrically connected with the first end of the inductor;
The cathode of the second diode is electrically connected with the cathode of the first diode, and the anode is grounded;
the second end of the inductor is electrically connected with the power end of the electric equipment;
the first end of the third capacitor is electrically connected with the second end of the inductor, and the second end of the third capacitor is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010119038.6A CN111338244B (en) | 2020-02-26 | 2020-02-26 | Power supply signal processing circuit and power utilization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010119038.6A CN111338244B (en) | 2020-02-26 | 2020-02-26 | Power supply signal processing circuit and power utilization system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111338244A CN111338244A (en) | 2020-06-26 |
| CN111338244B true CN111338244B (en) | 2024-07-05 |
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