CN210640856U - Radio frequency wireless control circuit device - Google Patents
Radio frequency wireless control circuit device Download PDFInfo
- Publication number
- CN210640856U CN210640856U CN201922327115.2U CN201922327115U CN210640856U CN 210640856 U CN210640856 U CN 210640856U CN 201922327115 U CN201922327115 U CN 201922327115U CN 210640856 U CN210640856 U CN 210640856U
- Authority
- CN
- China
- Prior art keywords
- pin
- radio frequency
- chip
- capacitor
- frequency chip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Transmitters (AREA)
Abstract
A radio frequency wireless control circuit device has simple and reasonable structure design, high integration degree and reduced input cost, and comprises a 2.4G radio frequency chip U1, a 2.4G radio frequency chip U1 respectively connected with an antenna and a voltage conversion chip U2, a 1 pin of the 2.4G radio frequency chip U1 used for being connected with the antenna, a 15 pin of the 2.4G radio frequency chip U1 connected with one end of a crystal oscillator Y1, a 16 pin of the 2.4G radio frequency chip U1 connected with one end of a capacitor C2, the other end of the capacitor C2 grounded, a 12 pin of the 2.4G radio frequency chip U1 connected with a 3 pin of a connector P2, a 1 pin of the connector P2 connected with a motor drive B1, an 8 pin of the 2.4G radio frequency chip U1 respectively connected with a 23 pin of the voltage conversion chip U2, one end of a resistor R8, a 9 pin of the 2.4G radio frequency chip U6 connected with one end 24 of a voltage conversion chip U2, a resistor R6, and a low-voltage detection chip 3613 connected with a low-voltage detection chip through a low-voltage detection circuit, the 2.4G radio frequency chip U1 is internally provided with an MCU main controller and is packaged by a shell.
Description
Technical Field
The utility model relates to a radio frequency communication technology field specifically is a radio frequency wireless control circuit.
Background
In the technical field of wireless communication, radio frequency equipment is mainly adopted to realize wireless signal transmission, in the prior art, signal receiving and transmitting of 2.4G radio frequency equipment are mainly realized by a 2.4G radio frequency chip, the 2.4G radio frequency chip is externally arranged outside an MCU (micro control unit) controller, the MCU controller controls external equipment according to wireless signals transmitted by the 2.4G radio frequency chip, the existing MCU controller and a 2.4G radio frequency chip U1 are respectively packaged in two shells and are connected through an external connecting wire, the whole signal receiving system is complex in structure and high in cost due to the arrangement of the external 2.4G radio frequency chip and the use of the external connecting wire, power supply of the 2.4G radio frequency chip and the MCU controller needs to be respectively realized by external voltage sources, and the complexity and the input cost of the whole equipment are further increased by the way that the external voltage sources respectively supply power.
SUMMERY OF THE UTILITY MODEL
To the problem, the utility model provides a radio frequency wireless control circuit device, its structural design is simple reasonable, integrates the degree height to can reduce the input cost.
A radio frequency wireless control circuit device comprises a 2.4G radio frequency chip U1, wherein the 2.4G radio frequency chip U1 is respectively connected with an antenna and a voltage conversion chip U2, and is characterized in that 1 pin of the 2.4G radio frequency chip U1 is used for being connected with the antenna, 4 pins of the 2.4G radio frequency chip U1 are respectively connected with a capacitor C1 and one end of a resistor R1, the other end of the capacitor C1 and a 2 pin of the 2.4G radio frequency chip U1 are grounded, the other end of the resistor R1 is connected with a voltage source VDD, 8 and 9 pins of the 2.4G radio frequency chip U1 are respectively connected with 2 and 3 pins of a connector P1, a 5 pin of the connector P1 is grounded, a 1 pin of the connector P1 is connected with the voltage source VDD, 11 pins of the 2.4G radio frequency chip U1 are respectively connected with one end of a resistor R2 and the voltage source, and one end of the resistor R2 pin of the 2.4G radio frequency chip 1 is respectively connected with one end, One end of a capacitor C3 and a Reset point Reset, the other end of the capacitor C3 is grounded, the 15 pin of the 2.4G radio frequency chip U1 is connected with one end of a crystal oscillator Y1, the other end of the crystal oscillator Y1 is connected with the 3 pin of the 2.4G radio frequency chip U1, the 16 pin of the 2.4G radio frequency chip U1 is connected with one end of a capacitor C2, the other end of the capacitor C2 is grounded, the 12 pin of the 2.4G radio frequency chip U1 is connected with the 3 pin of a connector P2, the 2 pin of the connector P2 is grounded, the 1 pin of the connector P2 is connected with a motor drive B1, the 8 pin of the 2.4G radio frequency chip U1 is connected with the 23 pin of the voltage conversion chip U2 and one end of a resistor R7 respectively, the 9 pin of the 2.4G radio frequency chip U1 is connected with the 24 pin of the voltage conversion chip U2 and one end of a resistor R6 respectively, one end of the voltage conversion chip U2, the other end of the capacitor C22, the capacitor R56 and the other end of, the other end of the capacitor C4 and the other end of the 20-pin of the voltage conversion chip U2 are grounded, one end of the 13-pin capacitor C5 of the voltage conversion chip U2 is connected with the 3.3V voltage source, the other ends of the 18-pin and the capacitor C5 of the voltage conversion chip U2 are grounded, the 10-pin of the voltage conversion chip U2 is connected with one end of the capacitor C7, one ends of the 8-pin and the capacitor C6 of the voltage conversion chip U2 are connected with the 3.3V voltage source, the other ends of the 9-pin, the capacitor C6 and the capacitor C7 of the voltage conversion chip U2 are grounded, the 13-pin of the 2.4G radio frequency chip U1 is connected with low-voltage detection equipment through a low-voltage detection connection circuit, and the 2.4G radio frequency chip U1 is internally.
The radio frequency chip U1 is further characterized in that the 2.4G radio frequency chip U1 is also externally connected with a motor drive B1 through a motor drive circuit;
the motor driving circuit comprises an MOS transistor Q1, a source electrode of the MOS transistor Q1 is respectively connected with one end of a capacitor C6 and an output end of a motor drive B1, an input end of the motor drive B1 is respectively connected with the other end of a capacitor C6 and a pin 1 of a connector P2, a base electrode of the MOS transistor Q1 is respectively connected with one ends of a resistor R8 and a resistor R9, the other end of the resistor R9 and a drain electrode of the MOS transistor Q are grounded, and the other end of the resistor R8 is respectively connected with pins 5, 6, 7 and 10 of the 2.4G radio frequency chip U1;
the 12 pins of the 2.4G radio frequency chip U1 are respectively connected with one ends of resistors R3, R4 and R5, the other end of the resistor R3 is connected with a battery, the other end of the resistor R5 is grounded, the other end of the resistor R4 is connected with the anode of a light-emitting diode D1, and the cathode of the light-emitting diode D1 is grounded;
the connector P2 is used for being connected with WIFI equipment, and the connector P1 is used for being connected with a burner.
Adopt the utility model discloses the beneficial effect of above-mentioned structure is: 2.4G radio frequency chip U1 and MCU controller encapsulation are in same casing, can realize the transmission of control and signal through the equipment of a encapsulation promptly, compare in current MCU controller, 2.4G radio frequency chip U1 encapsulates respectively in two casings and the mode of connecting through the external connecting wire, the degree of integration of this device is high, entire system's circuit structure has been simplified, the input cost has been reduced, 2.4G radio frequency chip U1, the MCU controller all obtains regulated voltage through the conversion of voltage conversion chip U2 and supplies power, the use of external power supply source and power supply connecting wire has been reduced, the circuit structure has been simplified, the input cost has been reduced.
Drawings
Fig. 1 is a schematic diagram of an interface circuit of the 2.4G rf chip U1 of the present invention;
fig. 2 is a schematic circuit diagram of the voltage conversion circuit of the present invention;
FIG. 3 is a schematic circuit diagram of the low voltage detection connection circuit of the present invention;
fig. 4 is a schematic circuit diagram of the motor driving circuit of the present invention;
fig. 5 is a schematic diagram of the interface circuits of the connectors P1 and P2 according to the present invention.
Detailed Description
Referring to fig. 1 to 5, a radio frequency wireless control circuit device includes a 2.4G radio frequency chip U1, a 2.4G radio frequency chip U1 respectively connected to an antenna, a power supply, and a voltage conversion chip U2, a pin 1 of the 2.4G radio frequency chip U1 for connecting to the antenna, a pin 4 of the 2.4G radio frequency chip U1 respectively connected to a pin C1 and a pin R1, the other end of the capacitor C1 and a pin 2 of the 2.4G radio frequency chip U1 are grounded, the other end of the resistor R1 is connected to a voltage source VDD, pins 8 and 9 of the 2.4G radio frequency chip U1 are respectively connected to pins 2 and 3 of a connector P1, a pin 5 of the connector P1 is grounded, a pin 1 of the connector P1 is connected to a voltage source VDD, a pin 11 of the 2.4G radio frequency chip U1 is respectively connected to a pin R2, a voltage source, a pin 14 of the 2.4G radio frequency chip U6 is respectively connected to a pin R2, a pin C27, a pin resc 3673727, a, a 15 pin of the 2.4G radio frequency chip U1 is connected with one end of a crystal oscillator Y1, the other end of the crystal oscillator Y1 is connected with a 3 pin of a 2.4G radio frequency chip U1, a 16 pin of the 2.4G radio frequency chip U1 is connected with one end of a capacitor C2, the other end of the capacitor C2 is grounded, a 12 pin of the 2.4G radio frequency chip U1 is connected with a 3 pin of a connector P2, a 2 pin of the connector P2 is grounded, a 1 pin of the connector P2 is connected with a motor drive B1, an 8 pin of the 2.4G radio frequency chip U1 is also respectively connected with a 23 pin of a voltage conversion chip U2 and one end of a resistor R7, a 9 pin of the 2.4G radio frequency chip U1 is also respectively connected with a 24 pin of a voltage conversion chip U2 and one end of a resistor R6, a 22 pin of a voltage conversion chip U2, one end of a capacitor C4, one end of a resistor R6 and the other end of a R7, the other end of a voltage conversion chip U7 is connected with a 3V voltage source, 18 pins of a voltage conversion chip U2, the other end of the capacitor C5 is grounded, one end of a capacitor C7 is connected to 10 pins of the voltage conversion chip U2, 8 pins of the voltage conversion chip U2, a 3.3V voltage source is connected to one end of the capacitor C6, 9 pins of the voltage conversion chip U2, a capacitor C6, the other end of the capacitor C7 is grounded, a connector P2 is used for being connected with WIFI equipment, a connector P1 is used for being connected with a burner, 13 pins of a 2.4G radio frequency chip U1 are connected with low-voltage detection equipment through a low-voltage detection connecting circuit, and a 2.4G radio frequency chip U1 and the voltage conversion chip U2 are packaged through a shell.
The 2.4G radio frequency chip U1 is also externally connected with a motor drive B1 through a motor drive circuit;
the motor driving circuit comprises an MOS tube Q1, the source electrode of the MOS tube Q1 is respectively connected with one end of a capacitor C6 and the output end of a motor drive B1, the input end of the motor drive B1 is respectively connected with the other end of a capacitor C6 and the 1 pin of a connector P2, the base electrode of the MOS tube Q1 is respectively connected with one ends of a resistor R8 and a resistor R9, the other end of the resistor R9 and the drain electrode of the MOS tube Q are grounded, and the other end of the resistor R8 is respectively connected with the 5, 6, 7 and 10 pins of a 2.4G radio frequency chip;
the 12 pins of the 2.4G radio frequency chip U1 are respectively connected with one end of resistors R3, R4 and R5, the other end of the resistor R3 is connected with the battery, the other end of the resistor R5 is grounded, the other end of the resistor R4 is connected with the anode of a light-emitting diode D1, the cathode of the light-emitting diode D1 is grounded, and the type of a voltage conversion chip U2 is as follows: MAX 232.
The specific working principle is as follows: the device is applied to wireless control of motor equipment, the 2.4G radio frequency chip U1 and the voltage conversion chip U2 are packaged in the same shell, a wireless signal is received through the voltage conversion chip U2, and the 2.4G radio frequency chip U1 realizes wireless control of the motor equipment according to the wireless signal;
the voltage conversion chip U2 is used for converting 5V or other high voltage into a 3.3V voltage source for supplying power to a 2.4G radio frequency chip U1, a 1 pin of a 2.4G radio frequency chip U1 is a wireless transmitting and receiving antenna pin, an external antenna is connected, a 2 pin of the 2.4G radio frequency chip U1 is a grounding pin of an integral chip, 3 and 15 pins of the 2.4G radio frequency chip U1 are external 12M crystal oscillator connecting pins, a 4 pin of the 2.4G radio frequency chip U1 is a power supply pin, the power supply voltage range is 2V-3.6V, 5, 6, 7 and 10 pins of the 2.4G radio frequency chip U1 are connected with external motor equipment through a motor driving circuit and used for controlling the external motor equipment, 8 and 9 pins of the 2.4G radio frequency chip U1 are data transmission interfaces of an internal MCU controller and an external memory, an 11 pin of the 2.4G radio frequency chip U1 is a voltage supply pin of the internal MCU controller, and the power supply voltage range is 2V-5.5V-5, 2.4G radio frequency chip U1's 12 pins are used for external data and wifi data package of accepting, 2.4G radio frequency chip U1's 13 pins detect the pin for the low-voltage of built-in MCU controller, can realize 2.4G radio frequency chip U1's low-voltage signal through the low-voltage detection connecting circuit and detect, 2.4G radio frequency chip U1's 16 pins are built-in 2.4G radio frequency chip U1's internal voltage pin position, this external electric capacity of pin position plays the steady voltage chip effect, need not external power supply again.
Claims (4)
1. A radio frequency wireless control circuit device comprises a 2.4G radio frequency chip U1, wherein the 2.4G radio frequency chip U1 is respectively connected with an antenna and a voltage conversion chip U2, and is characterized in that 1 pin of the 2.4G radio frequency chip U1 is used for being connected with the antenna, 4 pins of the 2.4G radio frequency chip U1 are respectively connected with a capacitor C1 and one end of a resistor R1, the other end of the capacitor C1 and a 2 pin of the 2.4G radio frequency chip U1 are grounded, the other end of the resistor R1 is connected with a voltage source VDD, 8 and 9 pins of the 2.4G radio frequency chip U1 are respectively connected with 2 and 3 pins of a connector P1, a 5 pin of the connector P1 is grounded, a 1 pin of the connector P1 is connected with the voltage source VDD, 11 pins of the 2.4G radio frequency chip U1 are respectively connected with one end of a resistor R2 and the voltage source, and one end of the resistor R2 pin of the 2.4G radio frequency chip 1 is respectively connected with one end, One end of a capacitor C3 and a Reset point Reset, the other end of the capacitor C3 is grounded, the 15 pin of the 2.4G radio frequency chip U1 is connected with one end of a crystal oscillator Y1, the other end of the crystal oscillator Y1 is connected with the 3 pin of the 2.4G radio frequency chip U1, the 16 pin of the 2.4G radio frequency chip U1 is connected with one end of a capacitor C2, the other end of the capacitor C2 is grounded, the 12 pin of the 2.4G radio frequency chip U1 is connected with the 3 pin of a connector P2, the 2 pin of the connector P2 is grounded, the 1 pin of the connector P2 is connected with a motor drive B1, the 8 pin of the 2.4G radio frequency chip U1 is connected with the 23 pin of the voltage conversion chip U2 and one end of a resistor R7 respectively, the 9 pin of the 2.4G radio frequency chip U1 is connected with the 24 pin of the voltage conversion chip U2 and one end of a resistor R6 respectively, one end of the voltage conversion chip U2, the other end of the capacitor C22, the capacitor R56 and the other end of, the other end of the capacitor C4 and the other end of the 20-pin of the voltage conversion chip U2 are grounded, one end of the 13-pin capacitor C5 of the voltage conversion chip U2 is connected with the 3.3V voltage source, the other ends of the 18-pin and the capacitor C5 of the voltage conversion chip U2 are grounded, the 10-pin of the voltage conversion chip U2 is connected with one end of the capacitor C7, one ends of the 8-pin and the capacitor C6 of the voltage conversion chip U2 are connected with the 3.3V voltage source, the other ends of the 9-pin, the capacitor C6 and the capacitor C7 of the voltage conversion chip U2 are grounded, the 13-pin of the 2.4G radio frequency chip U1 is connected with low-voltage detection equipment through a low-voltage detection connection circuit, and the 2.4G radio frequency chip U1 is internally.
2. The RF wireless control circuit device of claim 1, wherein the 2.4G RF chip U1 is further externally connected to a motor driver B1 via a motor driver circuit.
3. The device as claimed in claim 2, wherein the motor driving circuit includes a MOS transistor Q1, the source of the MOS transistor Q1 is connected to one end of a capacitor C6 and the output end of a motor driver B1, the input end of the motor driver B1 is connected to the other end of a capacitor C6 and the 1 pin of a connector P2, the base of the MOS transistor Q1 is connected to one end of a resistor R8 and a resistor R9, the other end of the resistor R9 and the drain of the MOS transistor Q are grounded, and the other end of the resistor R8 is connected to the pins 5, 6, 7 and 10 of the 2.4G rf chip U1.
4. The device as claimed in claim 3, wherein the 2.4G RF chip U1 has its 12 pins connected to one ends of resistors R3, R4 and R5, respectively, the other end of the resistor R3 is connected to the battery, the other end of the resistor R5 is connected to ground, the other end of the resistor R4 is connected to the anode of the LED D1, and the cathode of the LED D1 is connected to ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922327115.2U CN210640856U (en) | 2019-12-23 | 2019-12-23 | Radio frequency wireless control circuit device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922327115.2U CN210640856U (en) | 2019-12-23 | 2019-12-23 | Radio frequency wireless control circuit device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210640856U true CN210640856U (en) | 2020-05-29 |
Family
ID=70797934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922327115.2U Active CN210640856U (en) | 2019-12-23 | 2019-12-23 | Radio frequency wireless control circuit device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210640856U (en) |
-
2019
- 2019-12-23 CN CN201922327115.2U patent/CN210640856U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212570019U (en) | Ultra-low power consumption livestock body temperature monitoring system based on LoRa scattering communication | |
| CN216720327U (en) | Adapter and charging system with Lightning female seat | |
| CN210640856U (en) | Radio frequency wireless control circuit device | |
| CN203278279U (en) | Multifunctional mobile power supply | |
| CN202802546U (en) | Extensible laser therapeutic instrument | |
| CN201570019U (en) | Passive RS232-485 signal converter | |
| CN101694995B (en) | Passive RS232-485 signal converter | |
| CN106805932A (en) | A kind of micro radio endoscopic images reception system | |
| TWM461928U (en) | Mobile power line collector of dual device support main transmission guide | |
| CN206819716U (en) | Wireless LED display board | |
| CN212727059U (en) | Photovoltaic energy storage monitoring gateway device based on loRa | |
| CN103840813B (en) | The RS232 of a kind of automatic electricity getting and infrared communication interface change-over circuit | |
| CN103761849A (en) | CMC (control module on chip)-chip-based low-power-consumption wireless meter reading acquirer | |
| CN211207486U (en) | Far and near infrared communication compatible circuit | |
| CN113745873A (en) | Adapter and charging system with Lightning female seat | |
| CN211123697U (en) | 2.4G radio frequency motor wireless control circuit | |
| CN205912051U (en) | Wireless expanding unit to USB microwave power probe | |
| CN208386942U (en) | Wireless programming device based on low-power consumption bluetooth | |
| CN214544801U (en) | Bluetooth data transmission device with switchable master-slave modes | |
| CN207947774U (en) | A kind of Bluetooth Receiver | |
| CN219437019U (en) | Environment information acquisition and transmission device | |
| CN212412804U (en) | Novel circuit with wireless communication and rapid charging multi-protocol decoy functions | |
| CN220545005U (en) | WIFI Bluetooth module | |
| CN219536097U (en) | Full duplex LoRaWAN gateway based on MCU | |
| CN216596237U (en) | Wireless serial port conversion module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A radio frequency wireless control circuit device Effective date of registration: 20230329 Granted publication date: 20200529 Pledgee: Bank of Communications Ltd. Wuxi branch Pledgor: NST TECHNOLOGY LIMITED Co.,Ltd. Registration number: Y2023980036794 |