CN216979930U - Wireless voice remote control circuit with wireless charging function - Google Patents
Wireless voice remote control circuit with wireless charging function Download PDFInfo
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- CN216979930U CN216979930U CN202220179320.8U CN202220179320U CN216979930U CN 216979930 U CN216979930 U CN 216979930U CN 202220179320 U CN202220179320 U CN 202220179320U CN 216979930 U CN216979930 U CN 216979930U
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Abstract
The utility model discloses a wireless voice remote control circuit with wireless charging function, which comprises a USB power interface, a central control circuit which can be internally provided with and learn remote control codes and can identify the remote control codes according to voice, wherein the central control circuit is connected with an RF receiving circuit, a voice input circuit and an RF transmitting circuit, the USB power interface is connected with a DC-DC conversion circuit and a filter circuit for converting voltage, the DC-DC conversion circuit is respectively connected with the central control circuit, the RF receiving circuit and the RF transmitting circuit, the filter circuit is sequentially connected with a wireless charging control circuit and a wireless charging power control circuit controlled by the wireless charging control circuit, a plurality of remote control codes which can be simultaneously learned are internally provided, thereby realizing the function of remote control of a plurality of devices, and when in use, the corresponding remote control codes can be directly identified by inputting voice so as to control the corresponding devices to work, still possess wireless function of charging.
Description
[ technical field ]
The utility model relates to a wireless voice remote control circuit with a wireless charging function.
[ background Art ]
The existing household appliances such as televisions, fans, air conditioners and the like are all provided with remote controllers, but the existing remote controllers generally do not have a voice recognition function, and can only input a control instruction by pressing keys on the remote controllers, so that the operation is not convenient enough; the existing remote controller can only control one device in a remote control way, and the remote controllers of different devices cannot be used universally, so that the remote controllers are large in quantity and easy to mix; the existing remote controller does not have the function of wirelessly charging a mobile phone, a tablet circuit, a Bluetooth headset and the like.
[ contents of utility model ]
The utility model overcomes the defects of the technology and provides a wireless voice remote control circuit with a wireless charging function.
In order to realize the purpose, the utility model adopts the following technical scheme:
the utility model provides a wireless pronunciation remote control circuit with wireless function of charging which characterized in that: the USB power interface is connected with a DC-DC conversion circuit for converting voltage and a filter circuit for filtering direct-current voltage, the DC-DC conversion circuit is respectively connected with the central control circuit, the RF receiving circuit and the RF transmitting circuit, and the filter circuit is sequentially connected with a wireless charging control circuit and a wireless charging power control circuit which is controlled by the wireless charging control circuit and is used for wirelessly charging electronic equipment.
As above a wireless pronunciation remote control circuit with wireless function of charging which characterized in that: the central control circuit is connected with a buzzer circuit used for prompting the success of learning remote control coding, and the DC-DC conversion circuit is connected with the buzzer circuit.
As above a wireless pronunciation remote control circuit with wireless function of charging which characterized in that: the wireless charging control circuit is connected with an indicator lamp circuit for wireless charging state.
As above a wireless pronunciation remote control circuit with wireless function of charging which characterized in that: the central control circuit comprises a control chip U1, a pin 2 of the control chip U1 is respectively connected with one end of a switch S1 and one end of a resistor R29, the other end of the switch S1 is grounded, a pin 3 of the control chip U1 is respectively connected with one end of a switch S2 and one end of a resistor R30, the other end of the switch S2 is grounded, a pin 4 of the control chip U1 is connected with a cathode end of an operation indicator light LED8, an anode end of the operation indicator light LED8 is respectively connected with the other end of a resistor R30 and the other end of a resistor R29 through a resistor R11 and a DC-DC conversion circuit, a pin 5 of the control chip U1 is grounded, a pin 6 of the control chip U1 is grounded through a capacitor C1, a pin 7 of the control chip U1 is respectively connected with a pin 9 of the control chip U1, one end of the capacitor C1 and the DC-DC conversion circuit, the other end of the capacitor C1 is grounded, a pin 8 of the control chip U1 is respectively connected with one end of the pin 29 of the control chip C1, the control chip U1 is grounded through a pin 1 pin 12 of the C1 pin of the control chip C1, pin 15 of control chip U1 is connected to one end of capacitor C8, one end of capacitor C19 and one end of resistor R1, the other end of resistor R1 is connected to DC-DC conversion circuit, the other end of capacitor C8 and the other end of capacitor C19 are grounded, pin 16 of control chip U1 is grounded through capacitor C18, pin 22 of control chip U1 is connected to one end of resistor R2 and one end of switch S11, one end of resistor R2 is connected to DC-DC conversion circuit, the other end of switch S11 is grounded, pin 27 of control chip U1 is connected to one end of DC-DC conversion circuit, one end of capacitor C7 and one end of resistor R21, the other end of resistor R21 is connected to pin 28 of control chip U1, one end of capacitor C6 and RESET button RESET, the other end of capacitor C6, the other end of capacitor C7 and pin 49 of control chip U1, pin 30 of control chip U1 is connected to one end of capacitor C16, and pin 31 of control chip U1 is connected to one end of capacitor C4, The other end of the capacitor C16 and the other end of the capacitor C4 are respectively grounded, a pin 37 of a control chip U1 is respectively connected with one end of a resistor R18 and one end of a resistor R19, the other end of the resistor R19 is connected with the DC-DC conversion circuit, the other end of the resistor E18 is grounded, a pin 40 of the control chip U1 is respectively connected with one end of a resistor R28, one output end of a crystal oscillator Y1 and one end of a capacitor C2, a pin 41 of the control chip U1 is respectively connected with the other end of a resistor R28, the other output end of the crystal oscillator Y1 and one end of a capacitor C1, a ground terminal of the crystal oscillator Y1, the other end of the capacitor C2 and the other end of the capacitor C1 are respectively grounded, a pin 42 of the control chip U1 is connected with the DC-DC conversion circuit, a pin 46 of the control chip U1 is connected with a negative terminal of an operation indicator LED7, a positive terminal of the operation indicator LED7 is connected with the DC-DC conversion circuit through a resistor R10, and a pin 47 of the control chip U1 is connected with an RF emission circuit, pin 48 of the control chip U1 is connected to the RF receiving circuit.
As above a wireless pronunciation remote control circuit with wireless function of charging which characterized in that: the RF receiving circuit comprises a receiving chip U5, a pin 1 of a receiving chip U5 is grounded, a pin 2 of the receiving chip U5 is respectively connected with one end of an inductor L1 and one end of a capacitor C41, the other end of the capacitor C41 is respectively connected with one end of the capacitor C42, one end of the inductor L2 and a receiving antenna, the other end of the inductor L1, the other end of the capacitor C41 and the other end of the inductor L2 are respectively grounded, a pin 3 of the receiving chip U5 is respectively connected with one end of a capacitor C43 and one end of a resistor R13, the other end of the resistor R13 is connected with a DC-DC conversion circuit, the other end of the capacitor C43 is grounded, a pin 4 of the receiving chip U5 is respectively connected with one end of a capacitor C44 and one end of a capacitor C45, the other end of the capacitor C44 and the other end of the capacitor C45 are respectively grounded, a pin 5 of the receiving chip U5 is connected with a central control circuit through a resistor R34, a pin 8 of the receiving chip U5 is connected with one end of a crystal oscillator X1, and the other end of the crystal oscillator X1 is grounded.
As above a wireless pronunciation remote control circuit with wireless function of charging which characterized in that: the RF transmitting circuit comprises a transmitting chip U6, a pin 1 of a transmitting chip U6 is respectively connected with one end of a capacitor C37, one end of a capacitor C31 and one end of an inductor L11, the other end of the capacitor C37 is grounded, the other end of a capacitor C31 is respectively connected with one end of a capacitor C48 and one end of an inductor L12, the other end of an inductor L12 is respectively connected with one end of a capacitor C33 and one end of an inductor L13, the other end of an inductor L13 is respectively connected with one end of a capacitor C13 and one end of a transmitting antenna ANT, the other end of the transmitting antenna ANT is connected with one end of a capacitor C13, the other end of the capacitor C13 and the other end of the capacitor C13 are respectively grounded, the other end of the inductor L13 is respectively connected with one end of a capacitor C13, one end of an inductor R13, one end of a resistor R13, one end of the capacitor C13 and one end of the transmitting chip U13, a pin 8 of the transmitting chip U13, the other end of the resistor R13 is connected with a DC-DC conversion circuit, the other end of the resistor R13 is connected with a transmitting chip U13, the other end of the transmitting chip is respectively, pin 2 of the emitting chip U6, the other end of the capacitor C35 and the other end of the capacitor C36 are grounded respectively, pin 4 of the emitting chip U6 is grounded through a crystal oscillator X2, pin 6 of the emitting chip U6 is connected with one end of a resistor R36 and one end of a resistor R37 respectively, the other end of the resistor R36 is connected with a central control circuit, the other end of the resistor R37 is grounded, and pin 7 of the emitting chip U6 is grounded through a capacitor C38.
As above a wireless pronunciation remote control circuit with wireless function of charging which characterized in that: the DC-DC conversion circuit comprises a voltage conversion chip U3, a voltage conversion chip U3 pin 1 is respectively connected with one end of an inductor L1 and a voltage conversion chip U3 pin 6 through a capacitor C3, the other end of the inductor L1 is respectively connected with one end of a capacitor C291, the positive end of an electrolytic capacitor C28, one end of a capacitor C29, one end of a resistor R26, one end of a resistor R2, a central control circuit, an RF receiving circuit and an RF transmitting circuit, the other end of the capacitor C291, the negative end of the electrolytic capacitor C28 and the other end of a capacitor C29 are respectively grounded, the other end of a resistor R2 is respectively connected with one end of a capacitor C10, one end of a capacitor C26 and the central control circuit, the other end of a capacitor C10 and the other end of a capacitor C26 are respectively grounded, a voltage conversion chip U3 pin 2 is grounded, a voltage conversion chip U3 pin 3 is respectively connected with one end of a resistor R24 and the other end of a resistor R26, the other end of a resistor R24 is grounded, a voltage conversion chip U3 pin 4 is respectively connected with a voltage conversion chip U3 through a resistor R4, One end of the capacitor C23, one end of the capacitor C27 and the USB power interface are connected, and the other end of the capacitor C23 and the other end of the capacitor C27 are respectively grounded.
As above a wireless pronunciation remote control circuit with wireless function of charging which characterized in that: the filter circuit comprises a capacitor C58, one end of a capacitor C58 is respectively connected with a pin 5 of the USB power interface, a pin 2 of the USB power interface and one end of a resistor R51, the other end of a resistor R51 is respectively connected with one end of a capacitor C52 and a wireless charging control circuit, the other end of a capacitor C58 and the other end of a capacitor C52 are respectively grounded, one end of a resistor R62 is connected with a pin 4 of the USB power interface, one end of a resistor R61 is connected with a pin 3 of the USB power interface, and the other end of the resistor R62 and the other end of the resistor R61 are respectively grounded.
As above a wireless pronunciation remote control circuit with wireless function of charging which characterized in that: the wireless charging control circuit comprises a control chip U7 pin 1 connected with a filter circuit, a control chip U7 pin 3 connected with the anode end of a diode D3, the cathode end of the diode D3 grounded, control chip U7 pins 5-7 and control chip U7 pins 9-13 respectively connected with a wireless charging power control circuit, and a control chip U7 pin 16 grounded.
As above a wireless pronunciation remote control circuit with wireless function of charging which characterized in that: the wireless charging power control circuit comprises a power chip U2 and a power chip U4, wherein a pin 1 of the power chip U4 is respectively connected with a pin 3 of the power chip U4, a USB power interface, one end of a capacitor C30 and one end of a capacitor C51, the other end of the capacitor C30 and the other end of the capacitor C51 are respectively grounded, a pin 2 and a pin 4 of the power chip U4 are respectively connected with the wireless charging control circuit, a pin 5 of the power chip U4 is respectively connected with a pin 6 of the power chip U4, a pin 5 of the power chip U2, a pin 6 of the power chip U2 and one end of a wireless charging coil, a pin 7 of the power chip U4 is respectively connected with a pin 8 of the power chip U4, a pin 7 of the power chip U2, a pin 8 of the power chip U2, one end of the capacitor C63, one end of the capacitor C64, one end of the capacitor C65 and one end of the capacitor C66, a positive terminal of a diode D4 is respectively connected with the other end of the capacitor C63, the other end of the capacitor C64, the other end of the capacitor C65 and the other end of the capacitor C66, The other end of the wireless charging coil is connected, the cathode end of a diode D4 is respectively connected with one end of a resistor R54 through a resistor R55, one end of a capacitor C54 and one end of a capacitor C55, the other end of the capacitor C55 is respectively connected with one end of a resistor R56 and a wireless charging control circuit, the other end of the resistor R56 is respectively connected with one end of a capacitor C56 and one end of the wireless charging control circuit, the other end of a resistor R54, the other end of the capacitor C54 and the other end of the capacitor C56 are respectively grounded, a pin 1 of a power chip U2 is respectively connected with a pin 3 of the power chip U2, one end of a capacitor C53, one end of a resistor R53 and one end of a resistor R52, the other end of the capacitor C53 is connected with a USB power interface, the other end of a resistor R53 is respectively connected with one end of the wireless charging control circuit and one end of a capacitor C57, the other end of the resistor R52 and the other end of a capacitor C57 are respectively grounded, and a pin 2 and a pin 4 of the power chip U2 are respectively connected with the wireless charging control circuit.
The utility model has the beneficial effects that:
the utility model is provided with a plurality of remote control codes which can be learned simultaneously, thereby realizing the function of remote control of a plurality of devices, and when in use, the corresponding remote control codes can be directly identified by inputting voice so as to control the corresponding devices to work, thereby reducing the number of remote controllers and simultaneously realizing the rapid voice remote control of different devices to work; the utility model is also provided with a wireless charging function, thereby reducing the number of charging wires; the power input interface is a USB interface, can be connected with an adapter and can also be connected with a charger to supply power, and the power supply mode is set according to actual requirements, so that the functions of low-voltage power supply and random mobile operation are realized.
[ description of the drawings ]
FIG. 1 is a schematic diagram of the present invention;
FIG. 2 is a schematic diagram of a central control circuit and a voice input circuit according to the present invention;
FIG. 3 is a schematic diagram of a USB power interface and filter circuit according to the present invention;
FIG. 4 is a schematic diagram of an RF receiving circuit according to the present invention;
FIG. 5 is a schematic diagram of a buzzer circuit according to the present invention;
FIG. 6 is a schematic diagram of an RF transmitter circuit according to the present invention;
FIG. 7 is a schematic diagram of a DC-DC converter circuit according to the present invention;
FIG. 8 is a schematic diagram of a wireless charging control circuit and an indicator light circuit according to the present invention;
fig. 9 is a schematic diagram of a wireless charging power control circuit according to the present invention.
[ detailed description of the utility model ]
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
It should be noted that all the directional indications such as up, down, left, right, front and rear … in the embodiment of the present invention are only used to explain the relative position relationship, movement, etc. of the components in a specific posture as shown in the drawing, and if the specific posture is changed, the directional indication is changed accordingly. Furthermore, the descriptions of "preferred," "less preferred," etc. in this disclosure are for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "preferred" or "less preferred" may explicitly or implicitly include at least one such feature.
As shown in fig. 1-9, a wireless voice remote control circuit with wireless charging function comprises a USB power interface 1, a central control circuit 2 capable of embedding and learning remote control codes and identifying remote control codes according to voice, the central control circuit 2 is connected with an RF receiving circuit 3 for learning remote control codes, a voice input circuit 4 for inputting voice, an RF transmitting circuit 5 for transmitting remote control codes according to voice identification, the USB power interface 1 is connected with a DC-DC conversion circuit 6 for converting voltage, the filter circuit 7 is used for filtering direct-current voltage, the DC-DC conversion circuit 6 is respectively connected with the central control circuit 2, the RF receiving circuit 3 and the RF transmitting circuit 5, and the filter circuit 7 is sequentially connected with a wireless charging control circuit 8 and a wireless charging power control circuit 9 which is controlled by the wireless charging control circuit 8 and is used for wirelessly charging the electronic equipment.
When the USB power supply is used, the USB power supply interface 1 can be connected with a 5V power supply adapter for supplying power, and a 5VDC mobile power supply can also be used for supplying power; when the central control circuit 2 is internally provided with remote control codes for remotely controlling corresponding equipment, control voice can be directly input through the voice input circuit 4, the central control circuit 2 identifies the input voice instruction and converts the voice instruction into the corresponding remote control codes, and the corresponding remote control codes are transmitted to the corresponding equipment through the RF transmitting circuit 5, so that the voice remote control function is realized; when a new remote control code needs to be learned, the RF receiving circuit 3 is sent to enable the central control circuit 2 to learn the new remote control code, after the learning is successful, the voice input circuit 4 can input control voice, and the recognized remote control code is transmitted to a new device to remotely control the device to work. The remote control can realize the switching of controlling the on, off, dimming and color mixing of the lamp or the on, off and gear speed of the fan or controlling the on and off of the lamp and the door of courtyard, market and other places, realize the voice remote control of a plurality of devices and also increase the function of the voice remote control device.
When wireless charging is needed, only the equipment to be charged needs to be placed in the area of the wireless charging ring on the wireless charging power control circuit 9, and at the moment, the wireless charging control circuit 8 controls the wireless charging power control circuit 9 to work to wirelessly charge the equipment to be charged.
As shown in fig. 1, the central control circuit 2 is connected with a buzzer circuit 10 for prompting the success of learning remote control codes, the DC-DC conversion circuit 6 is connected with the buzzer circuit 10, and the buzzer circuit 10 gives out a win prompt voice after the success of code learning or the success of voice remote control.
As shown in fig. 1, an indicator light circuit 11 for wireless charging status is connected to the wireless charging control circuit 8.
As shown in fig. 2, the central control circuit 2 includes a control chip U1, a pin 1 of the control chip U1 is connected to one end of a resistor R20 of the BUZZER circuit 10, the other end of the resistor R20 is connected to one end of a resistor R17 and a base of a transistor Q4, the other end of the resistor R17 is connected to an emitter of a transistor Q4, a collector of the transistor Q4 is connected to one end of a BUZZER and an anode of a diode D1, the other end of the BUZZER zzber is connected to a cathode of a diode D1 and a DC-DC conversion circuit, a pin 2 of the control chip U1 is connected to one end of a switch S1 and one end of a resistor R29, the other end of the switch S1 is connected to ground, a pin 3 of the control chip U1 is connected to one end of a switch S2 and one end of a resistor R30, the other end of the switch S2 is connected to ground, a pin 4 of the control chip U1 is connected to a cathode of an operation indicator LED8, and an anode of the operation indicator LED 6 is connected to the other end of the resistor R30 through a resistor R11, The other end of the resistor R29 is connected with the DC-DC conversion circuit 6, the pin 5 of the control chip U1 is grounded, the pin 6 of the control chip U1 is grounded through a capacitor C15, the pin 7 of the control chip U1 is connected with the pin 9 of the control chip U1, one end of the capacitor C14 and the DC-DC conversion circuit 6, the other end of the capacitor C14 is grounded, the pin 8 of the control chip U1 is respectively connected with one end of a capacitor C21 and the pin 29 of the control chip U1, the other end of the capacitor C21 is grounded, the pin 12 of the control chip U1 is grounded through a capacitor C20, the pin 15 of the control chip U1 is respectively connected with one end of a capacitor C8, one end of a capacitor C19 and one end of a resistor R1, the other end of the resistor R1 is connected with the DC-DC conversion circuit 6, the other end of the capacitor C8 and the other end of the capacitor C19 are respectively grounded, the pin 16 of the control chip U1 is grounded through a capacitor C18, the pin 17 of the control chip U1 is connected with one end of the capacitor C17 and one end of the resistor C16 of the voice input circuit 4, the other end of the capacitor C17 is grounded, one end of a resistor R16 is respectively connected with one end of a capacitor C12, one end of a microphone and one end of a resistor R25, the other end of a capacitor C12 is connected with a pin 21 of a control chip U1, a pin 20 of the control chip U1 is respectively connected with the other end of the microphone, the other end of a resistor R25 and one end of a resistor R15 through a capacitor C13, the other end of a resistor R15 is grounded, a pin 22 of the control chip U1 is respectively connected with one end of a resistor R2 and one end of a switch S11, one end of a resistor R2 is connected with a DC-DC conversion circuit 6, the other end of a switch S11 is grounded, a pin 1 27 of the control chip U1 is respectively connected with one end of a DC-DC conversion circuit 6, one end of a capacitor C7 and one end of a resistor R21, the other end of the resistor R21 is respectively connected with a pin 28 of the control chip U21, one end of the control chip C21 and a RESET key RESET, the other end of the capacitor C21 is respectively connected with a pin 21, the pin 49 of the U21, the pin 30 of the C21 is connected with one end of the C21, pin 31 of a control chip U1 is connected with one end of a capacitor C4 and a DC-DC conversion circuit 6, the other end of the capacitor C16 and the other end of the capacitor C4 are respectively grounded, pin 37 of the control chip U1 is respectively connected with one end of a resistor R18 and one end of a resistor R19, the other end of the resistor R19 is connected with the DC-DC conversion circuit 6, the other end of a resistor E18 is grounded, pin 40 of the control chip U1 is respectively connected with one end of a resistor R28, one output end of a crystal oscillator Y1 and one end of a capacitor C2, pin 41 of the control chip U1 is respectively connected with the other end of a resistor R28, the other output end of a crystal oscillator Y1 and one end of a capacitor C1, the grounding end of a crystal oscillator Y1, the other end of the capacitor C2 and the other end of the capacitor C1 are respectively grounded, pin 42 of the control chip U1 is connected with the DC-DC conversion circuit 6, pin 46 of the control chip U1 is connected with the negative pole end of a work indicator LED7, the positive pole of the work indicator LED7 is connected with the DC-DC conversion circuit 6 through a resistor R10, the pin 47 of the control chip U1 is connected to the RF transmitter circuit 5, and the pin 48 of the control chip U1 is connected to the RF receiver circuit 3.
As shown in fig. 4, the RF receiving circuit 3 includes a receiving chip U5, pin 1 of the receiving chip U5 is grounded, pin 2 of the receiving chip U5 is connected to one end of an inductor L1 and one end of a capacitor C41, the other end of a capacitor C41 is connected to one end of a capacitor C42, one end of an inductor L2 and a receiving antenna, the other end of the inductor L1 and the other end of a capacitor C41, the other end of the inductor L2 is grounded, a pin 3 of a receiving chip U5 is connected with one end of a capacitor C43 and one end of a resistor R13, the other end of a resistor R13 is connected with the DC-DC conversion circuit 6, the other end of the capacitor C43 is grounded, a pin 4 of the receiving chip U5 is connected with one end of a capacitor C44 and one end of a capacitor C45, the other end of a capacitor C44 and the other end of a capacitor C45 are grounded, a pin 5 of a receiving chip U5 is connected with the central control circuit 2 through a resistor R34, a pin 8 of the receiving chip U5 is connected with one end of a crystal oscillator X1, and the other end of the crystal oscillator X1 is grounded.
When a new remote control code is learned, the receiving antenna in the RF receiving circuit 3 receives the remote control coded electrical signal, converts the remote control coded information into remote control coded information through the receiving chip U5, and transmits the remote control coded information to the control chip U1 of the central control circuit 2, so that the remote control coded information is learned and recorded by the control chip U1 of the central control circuit 2. The resistor R41 can be connected between the pin 3 and the pin 4 of the receiving chip U5, when the resistor R41 is not connected, the working voltage of the receiving chip U5 is 5V, and when the resistor R41 of 0R is connected, the working voltage of the receiving chip U5 is 3V.
As shown in fig. 6, the RF transmitting circuit 5 includes a transmitting chip U6, a pin 1 of the transmitting chip U6 is connected to one end of a capacitor C37, one end of a capacitor C31, and one end of an inductor L11, the other end of the capacitor C37 is grounded, the other end of the capacitor C31 is connected to one end of a capacitor C48 and one end of an inductor L12, the other end of the inductor L12 is connected to one end of a capacitor C33 and one end of an inductor L13, the other end of the inductor L13 is connected to one end of a capacitor C32 and one end of a transmitting antenna ANT, the other end of the transmitting antenna ANT is connected to one end of a capacitor C30, the other end of a capacitor C48, the other end of a capacitor C33, the other end of a capacitor C32, and the other end of a capacitor C30 are grounded, the other end of an inductor L11 is connected to one end of a capacitor C34, one end of an inductor R12, one end of a resistor R31, one end of a capacitor C36 and one end of a pin 8 of the transmitting chip U6, the other end of a resistor R12 is connected to a DC-DC conversion circuit 6, and the other end of a resistor R31 is connected to the other end of a pin 3U 6 One end of a capacitor C35 is connected, the pin 2 of a transmitting chip U6, the other end of the capacitor C35 and the other end of the capacitor C36 are respectively grounded, the pin 4 of the transmitting chip U6 is grounded through a crystal oscillator X2, the pin 6 of the transmitting chip U6 is respectively connected with one end of a resistor R36 and one end of a resistor R37, the other end of the resistor R36 is connected with the central control circuit 2, the other end of the resistor R37 is grounded, and the pin 7 of the transmitting chip U6 is grounded through a capacitor C38.
The control chip U1 in the central control circuit 2 recognizes the voice command and converts it into a corresponding remote control code, and sends it to the transmitting chip U6 of the RF transmitting circuit 5, and the transmitting chip U6 converts the remote control code information into a remote control code signal, and transmits it to a corresponding device through the transmitting antenna ANT.
As shown in fig. 7, the DC-DC conversion circuit 6 includes a voltage conversion chip U3, a pin 1 of the voltage conversion chip U3 is connected to one end of an inductor L1 and a pin 6 of the voltage conversion chip U3 through a capacitor C3, the other end of the inductor L1 is connected to one end of a capacitor C291, a positive terminal of an electrolytic capacitor C28, one end of a capacitor C29, one end of a resistor R26, one end of a resistor R2, the central control circuit 2, the RF receiving circuit 3 and the RF transmitting circuit 5, the other end of the capacitor C291, the negative terminal of the electrolytic capacitor C28 and the other end of a capacitor C29 are respectively grounded, the other end of a resistor R2 is connected to one end of a capacitor C10, one end of a capacitor C26 and the central control circuit 2, the other end of the capacitor C10 and the other end of the capacitor C26 are respectively grounded, a pin 2 of the voltage conversion chip U3 is grounded, a pin 3 of the voltage conversion chip U3 is connected to one end of a resistor R24, the other end of a resistor R26 and the other end of a resistor R24 are connected to ground, and the other end of the voltage conversion chip U3 is connected to a pin 4 of the voltage conversion chip U3 through a resistor R4 and a pin 5, One end of the capacitor C23, one end of the capacitor C27 and the USB power interface 1 are connected, and the other end of the capacitor C23 and the other end of the capacitor C27 are respectively grounded.
The USB power interface 1 inputs 5V direct current voltage, after the voltage is converted by the voltage conversion chip U3, the DC-DC conversion circuit 6 outputs VDD power and VDD33 power, and the power is respectively supplied to the central control circuit 2, the RF receiving circuit 3, the RF transmitting circuit 5 and the buzzer circuit 10.
As shown in fig. 3, the filter circuit 7 includes a capacitor C58, one end of the capacitor C58 is connected to the pin 5 of the USB power interface 1 and one end of a resistor R51, the other end of the resistor R51 is connected to one end of the capacitor C52 and the wireless charging control circuit 8, the other ends of the capacitor C58 and the capacitor C52 are grounded, one end of the resistor R62 is connected to the pin 4 of the USB power interface 1, one end of the resistor R61 is connected to the pin 3 of the USB power interface 1, and the other ends of the resistor R62 and the resistor R61 are grounded. The USB power interface 1 inputs 5V direct current voltage, outputs stable voltage after filtering through the filter circuit 7 and supplies power to the wireless charging control circuit 8.
As shown in fig. 8, the wireless charging control circuit 8 includes a control chip U7 pin 1 connected to the filter circuit 7, a control chip U7 pin 2 connected to the anode of the LED1 through a resistor R58 in the indicator light circuit 11, a cathode of the LED1 grounded, a control chip U7 pin 8 connected to the anode of the LED2 through a resistor R59, a cathode of the LED2 grounded, a control chip U7 pin 3 connected to the anode of the diode D3, a cathode of the diode D3 grounded, control chip U7 pins 5-7 and control chip U7 pins 9-13 connected to the wireless charging power control circuit 9, and a control chip U7 pin 16 grounded.
As shown in fig. 9, the wireless charging power control circuit 9 includes a power chip U2 and a power chip U4, pin 1 of the power chip U4 is respectively connected to pin 3 of the power chip U4, the USB power interface 1, one end of a capacitor C30, and one end of a capacitor C51, the other end of the capacitor C30 and the other end of the capacitor C51 are respectively connected to ground, pin 2 and pin 4 of the power chip U4 are respectively connected to the wireless charging control circuit 8, pin 5 of the power chip U4 is respectively connected to pin 6 of the power chip U4, pin 5 of the power chip U2, pin 6 of the power chip U2, and one end of a wireless charging coil, pin 7 of the power chip U4 is respectively connected to pin 8 of the power chip U4, pin 7 of the power chip U2, pin 8 of the power chip U2, one end of a capacitor C63, one end of a capacitor C64, one end of a capacitor C65, and one end of a capacitor C4649742, and the positive terminal of the diode D547 8 is respectively connected to the other end of the capacitor C547 65, and the positive terminal of the diode D4 are respectively, The other end of the capacitor C66 is connected with the other end of the wireless charging coil, the cathode end of the diode D4 is respectively connected with one end of a resistor R54, one end of a capacitor C54 and one end of a capacitor C55 through a resistor R55, the other end of the capacitor C55 is respectively connected with one end of a resistor R56 and the wireless charging control circuit 8, the other end of the resistor R56 is respectively connected with one end of a capacitor C56 and the wireless charging control circuit 8, the other end of the resistor R54 and the other end of a capacitor C54, the other end of the capacitor C56 is grounded, the pin 1 of the power chip U2 is connected with the pin 3 of the power chip U2, one end of the capacitor C53, one end of the resistor R53 and one end of the resistor R52, the other end of the capacitor C53 is connected with the USB power interface 1, the other end of the resistor R53 is connected with the wireless charging control circuit and one end of the capacitor C57, the other end of the resistor R52 and the other end of the capacitor C57 are grounded, and the pin 2 and the pin 4 of the power chip U2 are connected with the wireless charging control circuit 8 respectively.
When the device to be charged is placed on the wireless charging ring, the wireless charging power control circuit 9 sends a charging feedback signal to the control chip U7 of the wireless charging control circuit 8, and at this time, the control chip U7 controls the power chip U2 and the power chip U4 in the wireless charging power control circuit 9 to work respectively according to the feedback signal, so as to adjust the charging power of the device to be charged by the wireless charging ring. During charging, the LED1 in the indicator light circuit 11 emits red light to prompt that the charging is in progress; the LED2 in the indicator light circuit 11 emits a blue light to indicate that the charging is complete.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the technical scope of the present invention, which can be directly or indirectly applied to other related technical fields without departing from the spirit of the present invention, are intended to be included in the scope of the present invention.
Claims (10)
1. The utility model provides a wireless pronunciation remote control circuit with wireless function of charging which characterized in that: comprises a USB power interface (1), a central control circuit (2) which can be internally provided with and learn remote control codes and can remotely control the codes according to voice recognition, wherein the central control circuit (2) is connected with an RF receiving circuit (3) used for learning the remote control codes, a voice input circuit (4) used for inputting voice and an RF transmitting circuit (5) used for transmitting the remote control codes according to the voice recognition outwards, the USB power interface (1) is connected with a DC-DC conversion circuit (6) used for converting voltage and a filter circuit (7) used for filtering direct-current voltage, the DC-DC conversion circuit (6) is respectively connected with the central control circuit (2), the RF receiving circuit (3) and the RF transmitting circuit (5), the filter circuit (7) is sequentially connected with a wireless charging control circuit (8) and a wireless charging power control circuit (9) which is controlled by the wireless charging control circuit (8) and is used for wirelessly charging the electronic equipment.
2. The wireless voice remote control circuit with wireless charging function of claim 1, wherein: the central control circuit (2) is connected with a buzzer circuit (10) used for prompting the success of learning remote control coding, and the DC-DC conversion circuit (6) is connected with the buzzer circuit (10).
3. The wireless voice remote control circuit with wireless charging function according to claim 1, characterized in that: the wireless charging control circuit (8) is connected with an indicator lamp circuit (11) for wireless charging state.
4. The wireless voice remote control circuit with wireless charging function of claim 1, wherein: the central control circuit (2) comprises a control chip U1, a pin 2 of a control chip U1 is respectively connected with one end of a switch S1 and one end of a resistor R29, the other end of the switch S1 is grounded, a pin 3 of the control chip U1 is respectively connected with one end of a switch S2 and one end of a resistor R30, the other end of the switch S2 is grounded, a pin 4 of a control chip U1 is connected with a negative end of an operation indicator light LED8, an anode end of the operation indicator light LED8 is respectively connected with the other end of the resistor R30, the other end of the resistor R29 and a DC-DC conversion circuit (6) through a resistor R11, a pin 5 of the control chip U1 is grounded, a pin 6 of the control chip U1 is grounded through a capacitor C15, a pin 7 of the control chip U1 is connected with a pin 9 of the control chip U1, one end of the capacitor C14 and the DC-DC conversion circuit (6), the other end of the capacitor C14 is grounded, a pin 8 of a control chip U1 is respectively connected with one end of a pin 21 of the capacitor C1 and a pin 29 of the capacitor C21, pin 12 of a control chip U1 is grounded through a capacitor C20, pin 15 of the control chip U1 is respectively connected with one end of a capacitor C8, one end of a capacitor C19 and one end of a resistor R1, the other end of the resistor R1 is connected with a DC-DC conversion circuit (6), the other end of the capacitor C8 and the other end of the capacitor C19 are respectively grounded, pin 16 of the control chip U1 is grounded through a capacitor C18, pin 22 of the control chip U1 is respectively connected with one end of a resistor R2 and one end of a switch S11, one end of the resistor R2 is connected with the DC-DC conversion circuit (6), the other end of the switch S11 is grounded, pin 27 of the control chip U1 is respectively connected with one end of the DC-DC conversion circuit (6), one end of the capacitor C7 and one end of the resistor R21, the other end of the resistor R21 is respectively connected with pin 28 of a control chip U1, one end of a capacitor C6 and a RESET key RESET, the other end of the capacitor C6, the other end of the capacitor C7 and the other end of the control chip U1 are respectively grounded, pin 49 of the control chip U1 is connected with a capacitor C16, pin 31 of a control chip U1 is connected with one end of a capacitor C4 and a DC-DC conversion circuit (6), the other end of the capacitor C16 and the other end of the capacitor C4 are grounded respectively, pin 37 of the control chip U1 is connected with one end of a resistor R18 and one end of a resistor R19 respectively, the other end of the resistor R19 is connected with the DC-DC conversion circuit (6), the other end of a resistor E18 is grounded, pin 40 of the control chip U1 is connected with one end of a resistor R28, one output end of a crystal oscillator Y1 and one end of a capacitor C2 respectively, pin 41 of the control chip U1 is connected with the other end of a resistor R28, the other output end of a crystal oscillator Y1 and one end of a capacitor C1 respectively, the ground terminal of a crystal oscillator Y1, the other end of a capacitor C2 and the other end of a capacitor C1 are grounded respectively, pin 42 of the control chip U1 is connected with the DC-DC conversion circuit (6), pin 46 of the control chip U1 is connected with a negative pole LED7 of a work indicator lamp, and a positive pole 7 is connected with the DC-DC conversion circuit (6) through the resistor R10, the pin 47 of the control chip U1 is connected with the RF transmitting circuit (5), and the pin 48 of the control chip U1 is connected with the RF receiving circuit (3).
5. The wireless voice remote control circuit with wireless charging function of claim 1, wherein: the RF receiving circuit (3) comprises a receiving chip U5, a pin 1 of a receiving chip U5 is grounded, a pin 2 of the receiving chip U5 is respectively connected with one end of an inductor L1 and one end of a capacitor C41, the other end of the capacitor C41 is respectively connected with one end of the capacitor C42, one end of an inductor L2 and a receiving antenna, the other end of the inductor L1 and the other end of the capacitor C41, the other end of the inductor L2 is grounded, a pin 3 of a receiving chip U5 is connected with one end of a capacitor C43 and one end of a resistor R13, the other end of a resistor R13 is connected with the DC-DC conversion circuit (6), the other end of a capacitor C43 is grounded, a pin 4 of the receiving chip U5 is connected with one end of a capacitor C44 and one end of a capacitor C45, the other end of a capacitor C44 and the other end of a capacitor C45 are grounded, a pin 5 of the receiving chip U5 is connected with the central control circuit (2) through a resistor R34, a pin 8 of the receiving chip U5 is connected with one end of a crystal oscillator X1, and the other end of the crystal oscillator X1 is grounded.
6. The wireless voice remote control circuit with wireless charging function according to claim 1, characterized in that: the RF transmitting circuit (5) comprises a transmitting chip U6, a pin 1 of the transmitting chip U6 is respectively connected with one end of a capacitor C37, one end of a capacitor C31 and one end of an inductor L11, the other end of the capacitor C37 is grounded, the other end of the capacitor C31 is respectively connected with one end of a capacitor C48 and one end of an inductor L12, the other end of an inductor L12 is respectively connected with one end of a capacitor C33 and one end of an inductor L13, the other end of an inductor L13 is respectively connected with one end of a capacitor C32 and one end of a transmitting antenna ANT, the other end of the transmitting antenna ANT is connected with one end of a capacitor C30, the other end of a capacitor C48 and the other end of a capacitor C48 are respectively grounded, the other end of the inductor L48 is respectively connected with one end of a capacitor C48, one end of an inductor R48, one end of a resistor R48, one end of a capacitor C48, one end of a pin of a capacitor C48 and a pin 8 of a transmitting chip U48, the other end of a resistor R48 is connected with a DC-DC conversion circuit (6), the other end of a DC conversion circuit (6), and the other end of the R48 is respectively connected with a transmitting chip 48, the transmitting chip 48 is connected with a DC conversion circuit (48) and the DC-DC conversion circuit (6) is connected with a DC-DC conversion circuit (6), One end of a capacitor C35 is connected, the pin 2 of a transmitting chip U6, the other end of the capacitor C35 and the other end of the capacitor C36 are respectively grounded, the pin 4 of the transmitting chip U6 is grounded through a crystal oscillator X2, the pin 6 of the transmitting chip U6 is respectively connected with one end of a resistor R36 and one end of a resistor R37, the other end of the resistor R36 is connected with a central control circuit (2), the other end of the resistor R37 is grounded, and the pin 7 of the transmitting chip U6 is grounded through a capacitor C38.
7. The wireless voice remote control circuit with wireless charging function of claim 1, wherein: the DC-DC conversion circuit (6) comprises a voltage conversion chip U3, a pin 1 of the voltage conversion chip U3 is respectively connected with one end of an inductor L1 and a pin 6 of a voltage conversion chip U3 through a capacitor C3, the other end of the inductor L1 is respectively connected with one end of a capacitor C291, the positive end of an electrolytic capacitor C28, one end of a capacitor C29, one end of a resistor R26, one end of a resistor R2, a central control circuit (2), an RF receiving circuit (3) and an RF transmitting circuit (5), the other end of the capacitor C291, the negative end of the electrolytic capacitor C28 and the other end of a capacitor C29 are respectively grounded, the other end of a resistor R2 is respectively connected with one end of a capacitor C10, one end of a capacitor C26 and the central control circuit (2), the other end of the capacitor C10 and the other end of the capacitor C26 are respectively grounded, a pin 2 of the voltage conversion chip U3 is grounded, a pin 3 of the voltage conversion chip U3 is respectively connected with one end of a resistor R24 and the other end of a resistor R26 and the other end of the resistor R24 is grounded, the pin 4 of the voltage conversion chip U3 is respectively connected with the pin 5 of the voltage conversion chip U3, one end of a capacitor C23, one end of a capacitor C27 and the USB power interface (1) through a resistor R4, and the other end of the capacitor C23 and the other end of the capacitor C27 are respectively grounded.
8. The wireless voice remote control circuit with wireless charging function according to claim 1, characterized in that: the filter circuit (7) comprises a capacitor C58, one end of a capacitor C58 is respectively connected with a pin 5 of a USB power interface (1), a pin 2 of the USB power interface, one end of a resistor R51 is connected, the other end of a resistor R51 is respectively connected with one end of a capacitor C52 and a wireless charging control circuit (8), the other end of a capacitor C58 and the other end of the capacitor C52 are respectively grounded, one end of a resistor R62 is connected with a pin 4 of the USB power interface (1), one end of a resistor R61 is connected with a pin 3 of the USB power interface (1), and the other end of a resistor R62 and the other end of a resistor R61 are respectively grounded.
9. The wireless voice remote control circuit with wireless charging function according to claim 1, characterized in that: the wireless charging control circuit (8) comprises a control chip U7 pin 1 connected with a filter circuit (7), a control chip U7 pin 3 connected with the positive terminal of a diode D3, the negative terminal of the diode D3 grounded, control chip U7 pins 5-7 and control chip U7 pins 9-13 respectively connected with a wireless charging power control circuit (9), and a control chip U7 pin 16 grounded.
10. The wireless voice remote control circuit with wireless charging function according to claim 1, characterized in that: the wireless charging power control circuit (9) comprises a power chip U2 and a power chip U4, a pin 1 of the power chip U4 is respectively connected with a pin 3 of a power chip U4, a USB power interface (1), one end of a capacitor C30 and one end of a capacitor C51, the other end of the capacitor C30 and the other end of the capacitor C51 are respectively grounded, a pin 2 and a pin 4 of the power chip U4 are respectively connected with a wireless charging control circuit (8), a pin 5 of the power chip U4 is respectively connected with a pin 6 of the power chip U4, a pin 5 of the power chip U2, a pin 6 of the power chip U2 and one end of a wireless charging coil, a pin 7 of the power chip U4 is respectively connected with a pin 8 of the power chip U4, a pin 7 of the power chip U2, a pin 8 of the power chip U2, one end of a capacitor C63, one end of a capacitor C6, one end of a capacitor C65 and one end of a capacitor C66, the positive end of a diode D4 is respectively connected with the other end of a capacitor C63, the other end of the capacitor C65 and the other end of the capacitor C65, and the positive end of the diode D6474 are respectively, The other end of the capacitor C66 is connected with the other end of the wireless charging coil, the cathode end of the diode D4 is respectively connected with one end of a resistor R54, one end of a capacitor C54 and one end of a capacitor C55 through a resistor R55, the other end of the capacitor C55 is respectively connected with one end of a resistor R56 and the wireless charging control circuit (8), the other end of the resistor R56 is respectively connected with one end of a capacitor C56 and the wireless charging control circuit (8), the other end of the resistor R54 and the other end of a capacitor C54, the other end of the capacitor C56 is grounded, the pin 1 of the power chip U2 is connected with the pin 3 of the power chip U2, one end of the capacitor C53, one end of the resistor R53 and one end of the resistor R52, the other end of the capacitor C53 is connected with the USB power interface (1), the other end of the resistor R53 is connected with the wireless charging control circuit (8) and one end of the capacitor C57, the other end of the resistor R52 and the other end of the capacitor C57 are grounded, and the pin 2 and the pin 4 of the power chip U2 are connected with the wireless charging control circuit (8) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220179320.8U CN216979930U (en) | 2022-01-21 | 2022-01-21 | Wireless voice remote control circuit with wireless charging function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220179320.8U CN216979930U (en) | 2022-01-21 | 2022-01-21 | Wireless voice remote control circuit with wireless charging function |
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| Publication Number | Publication Date |
|---|---|
| CN216979930U true CN216979930U (en) | 2022-07-15 |
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| CN202220179320.8U Active CN216979930U (en) | 2022-01-21 | 2022-01-21 | Wireless voice remote control circuit with wireless charging function |
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| CN (1) | CN216979930U (en) |
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