CN111081002A - Remote controller circuit - Google Patents
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- CN111081002A CN111081002A CN202010047334.XA CN202010047334A CN111081002A CN 111081002 A CN111081002 A CN 111081002A CN 202010047334 A CN202010047334 A CN 202010047334A CN 111081002 A CN111081002 A CN 111081002A
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
- G10L2015/223—Execution procedure of a spoken command
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Abstract
The application relates to a remote controller circuit, which at least comprises an input unit, a wireless unit, a voice unit and a power supply unit, wherein the input unit and the voice unit are respectively connected with the wireless unit; the power supply unit comprises a first power supply circuit and a second power supply circuit which are respectively connected with the battery, the input unit is connected to the first power supply circuit, and the second power supply circuit is respectively connected with the wireless unit and the voice unit and provides stable power for the wireless unit and the voice unit. The beneficial effects are that: this application makes wireless unit, voice unit's input power not influenced by battery voltage, consumption to wireless unit, voice unit output power through first power supply circuit to output unit output power, second power supply circuit, lasts steady voltage power supply, has realized solving the problem of pronunciation remote controller stand-by power consumption on circuit design, reduces product cost, promotes product market competitiveness.
Description
Technical Field
The application relates to the technical field of remote controller testing, in particular to a remote controller circuit.
Background
With the development of science and technology, smart home products are more and more at present, the smart home is generally controlled by mobile phone app and PC software, the software is troublesome to operate and difficult to use for the old, and the WIFI type remote controller is not convenient to use as a remote controller, and gradually enters the life along with the smart home; the intelligent home usually selects WIFI as a communication mode, and the existing commonly used remote controllers are infrared or bluetooth remote controllers which are household appliances with infrared receiving or bluetooth functions and are difficult to meet the control requirement in the aspect of intelligent home; at present, WIFI type products have large power consumption, need to use an external power supply or a lithium battery with a charging function, have small using and moving range, reduce the using flexibility and influence the using body feeling of users; and a finished product is increased by using a mode that the lithium battery has a charging function.
Disclosure of Invention
In order to solve the above technical problem, the present application provides a remote controller circuit, which at least includes an input unit, a wireless unit, a voice unit, and a power unit, wherein the input unit and the voice unit are respectively connected to the wireless unit; the power supply unit comprises a first power supply circuit and a second power supply circuit which are respectively connected with the battery, the input unit is connected to the first power supply circuit, and the second power supply circuit is respectively connected with the wireless unit and the voice unit and provides stable power for the wireless unit and the voice unit.
Optionally, the first power circuit includes a first resistor, a first capacitor, and a second capacitor, one end of the first resistor is connected to the positive electrode of the battery, the first resistor is a first power end for outputting power to the input unit, and the first capacitor and the second capacitor are respectively connected in parallel to the first power end.
Optionally, the input unit includes an input chip, at least one input switch connected to the input chip, and at least one indicator light connected to the input chip, and the input chip is further provided with an input power terminal connected to the first power terminal, an uplink data terminal connected to the wireless unit, and a download data terminal.
Optionally, the second power circuit includes a power chip, a power switch circuit connected to an input end of the power chip, and a power voltage stabilizing circuit connected to an output end of the power chip; the output end of the power supply chip is a second power supply end for supplying power to the wireless unit and the voice unit;
the power switch circuit comprises a first MOS tube and a first triode, wherein the base electrode of the first triode Q1 is connected with the input unit and is controlled by the input unit, the collector electrode is connected with the grid electrode of the first MOS tube, and the emitter electrode is grounded; the source electrode of the first MOS tube is connected with the anode of the battery, and the drain electrode of the first MOS tube is connected with the input end of the power chip;
the power supply voltage stabilizing circuit comprises at least one capacitor and at least one resistor which are connected to a second power supply end.
Optionally, the wireless unit includes a wireless chip and a resonant circuit connected to a wireless signal output end of the wireless chip, and the wireless chip is connected to the input unit and the voice unit respectively, converts signals transmitted from the input unit and the voice unit into wireless signals, and transmits the wireless signals to the outside through the resonant circuit.
Optionally, the resonant circuit includes a third capacitor, a fourth capacitor, a fifth capacitor, a sixth capacitor, a seventh capacitor, an eighth capacitor, a ninth capacitor, a first inductor, a second inductor, and an antenna;
the wireless signal output end of the wireless chip is sequentially connected with a first inductor, a third capacitor, a fourth capacitor and an antenna; a fifth capacitor is connected between the first inductor and the wireless chip; a sixth capacitor and a second inductor are connected between the first inductor and the third capacitor in parallel, and the other end of the second inductor is connected with a seventh capacitor; an eighth capacitor is connected between the third capacitor and the fourth capacitor; and a ninth capacitor is connected between the fourth capacitor and the antenna.
Optionally, the wireless unit further comprises a filter circuit and a clock circuit connected to the wireless chip,
the filter circuit comprises at least one path of filter capacitor connected to the wireless chip;
the clock circuit comprises at least one clock crystal oscillator connected to the wireless chip, and the clock crystal oscillator is further connected with a filter capacitor.
Optionally, the wireless chip is provided with a wireless output end and a wireless input end which are connected with the download data end and the uplink data end in series, respectively, and the wireless output end is connected with the download data end and the uplink data utilization second communication circuit through a first communication circuit;
the first communication circuit comprises a second triode and a third triode, the base electrode of the second triode Q3 is connected with the wireless output end through a resistor, the collector electrode of the second triode Q3 is connected with the base electrode of the third triode, and the emitting electrode of the second triode Q3 is grounded; and the base electrode of the third triode is also connected with a second power supply end through a resistor, the collector electrode of the third triode is respectively connected with the download data end and the first power supply end, and the emitter electrode of the third triode is grounded.
The second communication circuit comprises a fourth triode and a fifth triode, wherein the base electrode of the fourth triode is connected with the uplink data end through a resistor, the collector electrode of the fourth triode is connected with the base electrode of the fifth triode, and the emitter electrode of the fourth triode is grounded; and the base electrode of the fifth triode is also connected with a second power supply end through a resistor, the collector electrode of the fifth triode is respectively connected with the wireless input end and the second power supply end, and the emitter electrode of the fifth triode is grounded.
Optionally, the voice unit includes a voice processing chip, a voice input circuit connected to an input end of the voice processing chip, and a voice output circuit connected to an output end of the voice processing chip, and the voice processing chip is provided with a data transmission end for communication connection with the wireless chip;
the voice input circuit comprises a microphone, a tenth capacitor, an eleventh capacitor, a twelfth capacitor, a second resistor and a third resistor, wherein the power input end of the microphone is connected to the output power end of the microphone of the wireless chip through the second resistor and the third resistor R3, and the tenth capacitor is connected between the second resistor and the third resistor R3; the positive phase output end and the negative phase output end of the microphone are respectively connected with the input end of the voice processing chip through an eleventh capacitor and a twelfth capacitor;
the voice output circuit comprises a voice output chip and a voice player connected to the voice output chip, wherein the input end of the voice output chip is connected with the output end of the voice processing chip, and the output end of the voice output chip is connected to the voice player.
The application discloses remote controller circuit, its beneficial effect lies in:
(1) this application makes wireless unit, voice unit's input power not influenced by battery voltage, consumption to wireless unit, voice unit output power through first power supply circuit to output unit output power, second power supply circuit, lasts steady voltage power supply, has realized solving the problem of pronunciation remote controller stand-by power consumption on circuit design, reduces product cost, promotes product market competitiveness.
(2) The power supply input unit outputs the switch signal to the power supply switch circuit of the second power supply circuit to input the power supply of the wireless unit, and the wireless unit is powered off after the work is finished, so that the wireless unit is completely powered off and has no power consumption, and the power consumption of the remote controller is further reduced.
(3) This application still is provided with first communication circuit, second communication circuit at input chip and wireless chip, makes input chip and wireless chip only realize serial data transmission through first communication circuit, second communication circuit, and keeps apart the voltage transmission of input chip, wireless chip, protection circuit.
(4) The application can press an input instruction through the input switch, the input chip inquires a corresponding instruction through identifying the input switch, and sends the corresponding instruction to the gateway or the background server through the wireless module for processing; and the indicator light is connected to the input chip and is used for displaying the state of the input switch.
(5) The voice processing chip can input a command through the microphone, and the voice processing chip can recognize an analog signal acquired by the microphone, convert the analog signal into a digital signal and send the digital signal to the gateway or the background server through the wireless module for processing; the feedback can also be output through a voice output circuit.
(6) The wireless chip of this application can be bluetooth chip, zigBee chip, WIFI chip etc. makes this circuit input signal pass to gateway or backstage server and controls, promotes the use of product and experiences.
Drawings
FIG. 1 is a block diagram of a circuit of a voice remote control according to an embodiment of the present application;
FIG. 2 is a circuit diagram of a first power circuit according to an embodiment of the present application;
FIG. 3 is a circuit diagram of an input chip according to an embodiment of the present application;
FIG. 4 is a circuit diagram of an input switch according to an embodiment of the present application;
FIG. 5 is a circuit diagram of an indicator light according to an embodiment of the present application;
FIG. 6 is a circuit diagram of a second power circuit according to an embodiment of the present application;
fig. 7 is a circuit diagram of a wireless unit according to an embodiment of the present application;
FIG. 8 is a circuit diagram of a first communication circuit and a second communication circuit according to an embodiment of the present disclosure;
FIG. 9 is a circuit diagram of a speech processing chip according to an embodiment of the present application;
FIG. 10 is a circuit diagram of a voice input circuit according to an embodiment of the present application;
fig. 11 is a circuit diagram of a voice output circuit according to an embodiment of the present application.
Detailed Description
The following detailed description of the preferred embodiments of the present application, taken in conjunction with the accompanying drawings, will make the advantages and features of the present application more readily appreciated by those skilled in the art, and thus will more clearly define the scope of the invention.
In the embodiment shown in fig. 1, the present application provides a remote controller circuit, which at least comprises an input unit 100, a wireless unit 200, a voice unit 300, and a power unit 400, wherein the input unit and the voice unit are respectively connected with the wireless unit; the power supply unit 400 includes a first power supply circuit 410 and a second power supply circuit 420 respectively connected to the battery, the input unit is connected to the first power supply circuit 410, and the second power supply circuit 420 is respectively connected to the wireless unit 200 and the voice unit and supplies stable power to the wireless unit 200 and the voice unit 300. In this embodiment, the first power circuit 410 outputs power to the output unit, and the second power circuit 420 outputs power to the wireless unit 200 and the voice unit 300, so that the input power of the wireless unit 200 and the voice unit 300 is not affected by battery voltage and power consumption, and the power is supplied in a stable voltage continuously, thereby solving the problem of standby power consumption of the voice remote controller in circuit design, reducing product cost and improving product market competitiveness. The application can carry out pressing input instructions through the input switches S1-S56, the input chip U1 inquires corresponding instructions through the identification input switches S1-S56 and sends the corresponding instructions to the gateway or the background server through the wireless module for processing; and an indicator lamp connected to the input chip U1 for displaying the states of the input switches S1-S56. According to the voice input method, a voice input instruction can be input through the microphone MIC, the voice processing chip U4 recognizes an analog signal acquired by the microphone MIC, converts the analog signal into a digital signal, and sends the digital signal to the gateway or the background server through the wireless module for processing; the feedback can also be output through a voice output circuit.
In some embodiments, the first power circuit 410 includes a first resistor R1, a first capacitor C1, and a second capacitor C2, one end of the first resistor R1 is connected to the positive electrode of the battery, the first resistor R1 is a first power terminal VDD1 for outputting power to the input unit, and the first capacitor C1 and the second capacitor C2 are respectively connected in parallel to the first power terminal VDD 1. The first power supply includes a first resistor R1 for dividing voltage, a first capacitor C1, and a second capacitor C2 for filtering noise, and outputting the filtered noise to the input unit 100.
In some embodiments, the input unit 100 includes an input chip U1, at least one input switch S1-S56 connected to the input chip U1, and at least one indicator light connected to the input chip U1, the input chip U1 is further provided with an input power terminal connected to a first power terminal VDD1, an upstream data terminal RCU _ TX connected to the wireless unit 200, and a download data terminal RCU _ RX. In this embodiment, the input chip U1 uses HT66F0185 as the main chip, the keys are in matrix form, because the wireless unit 200 is powered by the lowest power source DC3.0V, the battery is powered by the battery after a period of time, the voltage drops below 3.0V, and the working voltage of the wireless chip U3 cannot be reached, the application designs a DC/CD voltage regulator circuit to stabilize the voltage at 3.3V, the output is controlled by the input chip U1, when the key corresponding to the wireless unit 200 is detected to be pressed, the voltage regulator circuit is immediately started to work and output 3.3V, after the wireless unit 200 is started to stabilize, the wireless unit 200 communicates with the input chip U1 through a serial port, the input chip U1 uploads the current key information to the wireless unit 200, the wireless unit 200 returns the state information to the motherboard, after all keys are released and the wireless unit 200 completes control signals, the wireless unit 200 gives a low power consumption instruction to the input chip U1, the input chip U1 turns off the DC/CD voltage regulator circuit after receiving the instruction, the wireless unit 200 is completely powered off and has no power consumption, and the mainboard chip also starts a key I/O interruption awakening function and then enters a sleep mode, so that the power consumption of the whole remote controller is reduced to below 5 microamperes. In addition, the input switch S1-S56 is used for pressing an input instruction, the input chip U1 inquires a corresponding instruction by identifying the input switches S1-S56 and sends the corresponding instruction to the gateway or the background server through the wireless module for processing; and the indicator lamp is connected to the input chip U1 and is used for displaying the state of the scene controlled by the input switches S1-S56. The input switches S1-S56 and the input chip U1 can be connected through a logic interface to save the use of pins of the input chip U1; in the present embodiment, the input chip U1 is connected to 56 input switches S1-S56 through switch terminals. Realize outputting a plurality of
In some embodiments, the second power circuit 420 includes a power chip U2, a power switch circuit 421 connected to an input terminal of the power chip U2, a power voltage stabilizing circuit 422 connected to an output terminal of the power chip U2; the output end of the power chip U2 is a second power supply end VDD2 for supplying power to the wireless unit 200 and the voice unit 300; in this embodiment, the power chip U2 may be a chip with a model number KX3001, and the power chip U2 converts the unstable voltage from the battery into a regulated voltage power, and supplies the regulated voltage power to the wireless unit 200 and the voice unit 300 for inputting a stable signal.
In one implementation of the foregoing embodiment, the power switch circuit 421 includes a first MOS transistor Q2, a first transistor Q1, a base of the first transistor Q1 is connected to the input unit 100 and controlled by the input unit 100, a collector is connected to the gate of the first MOS transistor Q2, and an emitter is grounded; the source of the first MOS tube Q2 is connected with the positive electrode VBTA of the battery, and the drain is connected with the input end of the power chip U2; in the present embodiment, the input chip U1 outputs a level signal to the first transistor Q1 through the switch PW _ SW of the input chip by receiving signals of the input switches S1-S56. When the input chip U1 receives signals from the input switches S1-S56, the input signals output low level to the first triode Q1, the first triode Q1 is not conducted, the first MOS tube Q2 is conducted, and the battery supplies power to the power chip U2; the power chip U2 stabilizes the input power at 3.3V and outputs the stabilized voltage to the second power terminal VDD 2.
In one implementation of the above-described embodiment, the power supply stabilizing circuit 422 includes at least one capacitor and at least one resistor connected to the second power supply terminal VDD 2. In this embodiment, the present application further performs voltage stabilization filtering on the power supply output to the second power supply terminal VDD2 through a capacitor and a resistor.
In some embodiments, the wireless unit includes a wireless chip U3 and a resonant circuit 210 connected to the wireless signal output terminal of the wireless chip U3, and the wireless chip U3 is connected to the input unit and the voice unit respectively and converts signals from the input unit and the voice unit into wireless signals, and the wireless signals are transmitted to the outside through the resonant circuit 210. The wireless chip U3 of this application can be bluetooth chip, zigBee chip, WIFI chip etc. makes this circuit input signal pass to gateway or backstage server and controls, promotes the use of product and experiences. In this embodiment, the wireless chip U3 may be the wireless chip U3 of MT7682,
in one implementation of the above embodiment, the resonant circuit 210 includes a third capacitor C3, a fourth capacitor C4, a fifth capacitor C5, a sixth capacitor C6, a seventh capacitor C7, an eighth capacitor, a ninth capacitor C9, a first inductor L1, a second inductor L2, and an antenna ANT;
a wireless signal output end of the wireless chip U3 is sequentially connected with a first inductor L1, a third capacitor C3, a fourth capacitor C4 and an antenna ANT; a fifth capacitor C5 is connected between the first inductor L1 and the wireless chip U3; a sixth capacitor C6 and a second inductor L2 are connected between the first inductor L1 and the third capacitor C3 in parallel, and the other end of the second inductor L2 is connected with a fifth capacitor C5; an eighth capacitor is connected between the third capacitor C3 and the fourth capacitor C4; a ninth capacitor C9 is connected between the fourth capacitor C4 and the antenna ANT. The signal transmitted from the wireless chip U3 is transmitted through the resonant circuit 210
In an implementation manner of the foregoing embodiment, the wireless unit further includes a filter circuit and a clock circuit connected to the wireless chip U3, wherein the filter circuit includes at least one filter capacitor connected to the wireless chip U3; the clock circuit comprises at least one clock crystal oscillator Y1 connected to the wireless chip U3, and the clock crystal oscillator Y1 is also connected with a filter capacitor. In the embodiment, the wireless chip U3 filters noise waves through a filter circuit to stabilize the circuit; the clock source is provided by a clock circuit.
In some embodiments, the wireless chip U3 is provided with a wireless output end WIFI _ TX and a wireless input end WIFI _ RT which are connected in series with the download data end RCU _ RX and the uplink data end RCU _ TX, respectively, and the wireless output end WIFI _ TX is connected with the download data end RCU _ RX and the wireless output end WIFI _ TX through a first communication circuit and a second communication circuit for uplink data;
in an implementation manner of the above embodiment, the first communication circuit includes a second transistor Q3 and a third transistor Q4, a base of the second transistor Q3 is connected to the wireless output terminal WIFI _ TX through a resistor, a collector is connected to a base of the third transistor Q4, and an emitter is grounded; the base of the third transistor Q4 is also connected to the second power terminal VDD2 through a resistor, the collector is connected to the download data terminal RCU _ RX and the first power terminal VDD1, respectively, and the emitter is grounded. In this embodiment, when the wireless chip U3 inputs a signal to the input chip U1, when the input signal is a high-level signal, the second transistor Q3 is turned on, the third transistor Q4 is turned off, and the first power terminal VDD1 continuously provides a high level for the download data terminal RCU _ RX of the input chip U1; when the input signal is at a low level, the second transistor Q3 is turned off, the third transistor Q4 is turned on, and the download data terminal RCU _ RX is grounded. This application still is provided with first communication circuit at input chip U1 and wireless chip U3, makes input chip U1 and wireless chip U3 realize serial data transmission only through first communication circuit, and keeps apart input chip U1, wireless chip U3's voltage transmission, protection circuit.
In one implementation of the foregoing embodiment, the second communication circuit includes a fourth transistor Q5 and a fifth transistor Q6, a base of the fourth transistor Q5 is connected to the uplink data terminal RCU _ TX through a resistor, a collector is connected to a base of the fifth transistor Q6, and an emitter is grounded; the base electrode of the fifth triode Q6 is also connected with the second power supply end VDD2 through a resistor, the collector electrode of the fifth triode Q6 is respectively connected with the wireless input end WIFI _ RT and the second power supply end VDD2, and the emitter electrode of the fifth triode Q6 is grounded. In this embodiment, when the input chip U1 inputs a signal to the wireless chip U3, when the input signal is a high-level signal, the fourth transistor Q5 is turned on, the fifth transistor Q6 is turned off, and the second power supply terminal VDD2 continuously provides a high level for the wireless input terminal WIFI _ RT of the input chip U1; when the input signal is at a low level, the fourth triode Q5 is turned off, the fifth triode Q6 is turned on, and the wireless input end WIFI _ RT is grounded. The input chip U1 and the wireless chip U3 are further provided with a second communication circuit, the input chip U1 and the wireless chip U3 are enabled to realize serial data transmission only through the second communication circuit, voltage transmission of the input chip U1 and the wireless chip U3 is isolated, and the circuit is protected.
In some embodiments, the voice unit 300 includes a voice processing chip U4, a voice input circuit connected to an input terminal of the voice processing chip U4, and a voice output circuit connected to an output terminal of the voice processing chip U4, the voice processing chip U4 is provided with a data transmission terminal to be connected to the wireless chip U3 in a communication manner; in this embodiment, the voice processing chip may be configured to convert the voice analog signal into a voice digital signal for transmission, and may also be configured to convert the voice digital signal into a voice analog signal for playing; the speech processing chip U4 may be a model SSOP20(ES8311) processing chip. The voice processing chip is in communication connection with the wireless chip through an I2C _ SCL pin, an I2S _ MCLK pin, an I2S _ CK pin, an I2S _ RX pin, an I2S _ WS pin, an I2S _ TX pin and an I2C _ SDA pin.
In an implementation manner of the foregoing embodiment, the voice input circuit includes a microphone MIC, a tenth capacitor C10, an eleventh capacitor C11, a twelfth capacitor 12, a second resistor R2, and a third resistor R3, a power supply input terminal of the microphone MIC is connected to a power supply output terminal of the microphone MIC of the wireless chip U3 through the second resistor R2 and the third resistor R3, and a tenth capacitor C10 is further connected between the second resistor R2 and the third resistor R3; and a positive phase output end MIC and a negative phase output end MIC-of the microphone MIC are respectively connected with the input end of the voice processing chip U4 through an eleventh capacitor C11 and a twelfth capacitor 12. In this embodiment, the microphone MIC may be MSM42a3722H9, the microphone MIC divides the voltage and filters through the second resistor R2, the third resistor R3 and the tenth capacitor C10 to make the input power supply stably supply power, and the microphone MIC may be supplied with power by the wireless chip U3; and a positive phase output end MIC and a negative phase output end MIC-of the microphone MIC are respectively connected with an MIC _ P pin and an MIC _ N pin of the voice processing chip U4, and analog signals collected by the microphone are output to the voice processing chip. An eleventh capacitor C11 and a twelfth capacitor 12 are arranged at the microphone MIC through a positive phase output end MIC + and a negative phase output end MIC-to filter noise waves and output stable positive phase signals and negative phase signals; the ground terminal and the inverted output terminal of the microphone MIC are also grounded through a resistor.
In one implementation of the above embodiment, the voice output circuit includes a voice output chip U5 and a voice player SPK connected to the voice output chip, an input terminal of the voice output chip U5 is connected to an output terminal of the voice processing chip U4, and an output terminal of the voice output chip U5 is connected to the voice player SPK. In this embodiment, the voice output chip U5 is provided with an SPK + signal terminal and an SPK-signal terminal, which are connected to the voice processing chip U4 and receive the voice signal from the voice processing chip, the voice output chip U5 may be a chip of the model XP4871SO, and the voice output chip U5 converts the analog signal transmitted from the voice processing chip U4 into an audio signal and plays the audio signal through the voice player SPK.
The utility model provides a remote controller circuit, through first power supply circuit 410 to output unit output power, second power supply circuit 420 to wireless unit 200, voice unit 300 output power, make wireless unit 200, voice unit 300's input power not influenced by battery voltage, consumption, last steady voltage power supply, realized solving the problem of voice remote controller stand-by power consumption on circuit design, reduce product cost, promote product market competition. The input unit 100 outputs a switching signal to the power switch circuit 421 of the second power circuit 420, and the power of the wireless unit 200 is input, so that the wireless unit 200 is powered off after the operation is finished, the wireless unit 200 is completely powered off, no power consumption exists, and the power consumption of the remote controller is further reduced. The input chip U1 and the wireless chip U3 are further provided with a first communication circuit and a second communication circuit, so that serial data transmission of the input chip U1 and the wireless chip U3 is realized only through the first communication circuit and the second communication circuit, voltage transmission of the input chip U1 and the wireless chip U3 is isolated, and the circuits are protected. The input switch S1-S56 can be used for pressing an input instruction, the input chip U1 inquires a corresponding instruction through identifying the input switch S1-S56 and sends the corresponding instruction to the gateway or the background server through the wireless module for processing; and an indicator lamp connected to the input chip U1 for displaying the states of the input switches S1-S56. The voice processing chip U4 can input instructions through the microphone MIC, recognize analog signals collected by the microphone MIC, convert the analog signals into digital signals and send the digital signals to the gateway or the background server through the wireless module for processing; the feedback can also be output through a voice output circuit. Wireless chip U3 can be bluetooth chip, zigBee chip, WIFI chip etc. make this circuit input signal pass to gateway or backstage server and control, promote the use of product and experience.
The embodiments of the present application have been described in detail with reference to the drawings, but the present application is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present application within the knowledge of those skilled in the art.
Claims (9)
1. A remote controller circuit is characterized by at least comprising an input unit (100), a wireless unit (200), a voice unit (300) and a power supply unit (400), wherein the input unit (100) and the voice circuit are respectively connected with the wireless unit; the power supply unit (400) comprises a first power supply circuit (410) and a second power supply circuit (420) which are respectively connected with a battery, the input unit is connected to the first power supply circuit (410), and the second power supply circuit (420) is respectively connected with the wireless unit (200) and the voice unit (300) and provides stable power supply for the wireless unit (200) and the voice unit (300).
2. A remote controller circuit according to claim 1, wherein the first power circuit (410) comprises a first resistor (R1), a first capacitor (C1) and a second capacitor (C2), one end of the first resistor (R1) is connected to the positive electrode of the battery, the first resistor (R1) is a first power terminal (VDD 1) for outputting power to the input unit (100), and the first capacitor (C1) and the second capacitor (C2) are respectively connected in parallel to the first power terminal (VDD 1).
3. A remote control circuit according to claim 2, characterized in that said input unit (100) comprises an input chip (U1), at least one input switch connected to said input chip (U1), and at least one indicator light connected to said input chip (U1), said input chip (U1) being further provided with an input power terminal (VDD 1) connected to said first power terminal (VDD 1), an upstream data terminal (RCU TX) connected to said wireless unit (200), and a downstream data terminal (RCU RX).
4. A remote controller circuit according to claim 3, wherein the second power supply circuit (420) comprises a power supply chip (U2), a power switch circuit (421) connected to an input terminal of the power supply chip (U2), a power supply voltage stabilizing circuit (422) connected to an output terminal of the power supply chip (U2); the output end of the power supply chip (U2) is a second power supply end (VDD 2) for supplying power to the wireless unit (200) and the voice unit (300);
the power switch circuit (421) comprises a first MOS transistor (Q2) and a first triode (Q1), wherein the base electrode of the first triode (Q1) is connected with the input unit (100) and is controlled by the input unit (100), the collector electrode of the first triode is connected with the grid electrode of the first MOS transistor (Q2), and the emitter electrode of the first triode is grounded; the source electrode of the first MOS tube (Q2) is connected with the anode of a battery, and the drain electrode of the first MOS tube is connected with the input end of the power supply chip (U2);
the power supply regulation circuit (422) includes at least one capacitor and at least one resistor connected at a second power supply terminal (VDD 2).
5. The circuit of claim 4, wherein the wireless unit comprises a wireless chip (U3) and a resonant circuit (210) connected to the wireless signal output terminal of the wireless chip (U3), and the wireless chip (U3) is connected to the input unit (100) and the voice unit (300) respectively and converts the signals from the input unit (100) and the voice unit (300) into wireless signals to be transmitted to the outside through the resonant circuit (210).
6. A remote controller circuit according to claim 5, characterized in that the resonance circuit (210) comprises a third capacitor (C3), a fourth capacitor (C4), a fifth capacitor (C5), a sixth capacitor (C6), a seventh capacitor (C7), an eighth capacitor (C8), a ninth capacitor (C9), a first inductor (L1), a second inductor (L2), and an Antenna (ANT);
the wireless signal output end of the wireless chip (U3) is sequentially connected with a first inductor (L1), a third capacitor (C3), a fourth capacitor (C4) and an Antenna (ANT); a fifth capacitor (C5) is connected between the first inductor (L1) and the wireless chip (U3); a sixth capacitor (C6) and a second inductor (L2) are connected between the first inductor (L1) and the third capacitor (C3), and the other end of the second inductor (L2) is connected with a seventh capacitor (C7); an eighth capacitor (C8) is connected between the third capacitor (C3) and the fourth capacitor (C4); and a ninth capacitor (C9) is connected between the fourth capacitor (C4) and the Antenna (ANT).
7. A remote control circuit according to claim 5, characterized in that the wireless unit (200) further comprises a filter circuit, a clock circuit (220) connected to the wireless chip (U3),
the filter circuit comprises at least one filter capacitor connected to the wireless chip (U3);
the clock circuit (220) comprises at least one clock crystal oscillator (Y1) connected to the wireless chip (U3), and the clock crystal oscillator (Y1) is further connected with a filter capacitor.
8. A remote controller circuit according to claim 5, wherein the wireless chip (U3) is provided with a wireless output terminal (WIFI _ TX) and a wireless input terminal (WIFI _ RT) which are respectively connected with the download data terminal (RCU _ RX) and the uplink data terminal (RCU _ TX) in series, the wireless output terminal (WIFI _ TX) is connected with the download data terminal (RCU _ RX) and the wireless output terminal (WIFI _ TX) is connected with the uplink data communication circuit;
the first communication circuit comprises a second triode (Q3) and a third triode (Q4), the base electrode of the second triode (Q3) is connected with the wireless output end (WIFI _ TX) through a resistor, the collector electrode of the second triode is connected with the base electrode of the third triode (Q4), and the emitter electrode of the second triode is grounded; the base electrode of the third triode (Q4) is also connected with a second power supply end (VDD 2) through a resistor, the collector electrodes are respectively connected with the download data end (RCU _ RX) and the first power supply end (VDD 1), and the emitting electrode is grounded;
the second communication circuit comprises a fourth triode (Q5) and a fifth triode (Q6), wherein the base electrode of the fourth triode (Q5) is connected with the uplink data terminal (RCU _ TX) through a resistor, the collector electrode of the fourth triode is connected with the base electrode of the fifth triode (Q6), and the emitter electrode of the fourth triode is grounded; the base electrode of the fifth triode (Q6) is further connected with a second power supply end (VDD 2) through a resistor, the collector electrode of the fifth triode is respectively connected with the wireless input end (WIFI _ RT) and the second power supply end (VDD 2), and the emitting electrode of the fifth triode is grounded.
9. A remote controller circuit according to claim 5, wherein the voice unit (300) comprises a voice processing chip (U4), a voice input circuit connected with an input terminal of the voice processing chip (U4), and a voice output circuit connected with an output terminal of the voice processing chip (U4), the voice processing chip (U4) is provided with a data transmission terminal to be in communication connection with the wireless chip (U3);
the voice input circuit comprises a Microphone (MIC), a tenth capacitor (C10), an eleventh capacitor (C11), a twelfth capacitor (12), a second resistor (R2) and a third resistor (R3), wherein the power supply input end of the Microphone (MIC) is connected to the output power supply end of the Microphone (MIC) of the wireless chip (U3) through the second resistor (R2) and the third resistor (R3), and a tenth capacitor (C10) is connected between the second resistor (R2) and the third resistor (R3); the positive phase output end and the negative phase output end of the Microphone (MIC) are respectively connected with the input end of the voice processing chip (U4) through an eleventh capacitor (C11) and a twelfth capacitor (12);
the voice output circuit comprises a voice output chip (U5) and a voice player (SPK) connected to the voice output chip, wherein the input end of the voice output chip (U5) is connected with the output end of the voice processing chip (U4), and the output end of the voice output chip (U5) is connected to the voice player (SPK).
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| CN202010047334.XA CN111081002A (en) | 2020-01-16 | 2020-01-16 | Remote controller circuit |
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| CN202010047334.XA CN111081002A (en) | 2020-01-16 | 2020-01-16 | Remote controller circuit |
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Cited By (1)
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|---|---|---|---|---|
| CN113470643A (en) * | 2021-06-17 | 2021-10-01 | 歌尔股份有限公司 | Control method, device and equipment of voice remote controller and storage medium |
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