CN204287940U - A kind of intelligent home control device - Google Patents

Abstract

This utility model discloses a smart home control device, including a WIFI module, a USB interface, an RF transmitter module, an FSK bidirectional transceiver module, a protocol conversion module, and a controller. The WIFI module is connected to the protocol conversion module via the USB interface, and the protocol conversion module, RF transmitter module, and FSK bidirectional transceiver module are connected to the controller. This utility model uses the protocol conversion module to convert the control commands transmitted from the WIFI module into a specific protocol before transmitting them to the controller. The controller then transmits the control commands transmitted from the protocol conversion module outwards via the RF module or the FSK bidirectional transceiver module to control other home appliances. It has few functional electronic components, a compact structure, and can be integrated into any home appliance (such as a set-top box). Its low cost facilitates the widespread adoption of smart home control systems.

Description

A smart home control device

technical field

The utility model relates to a smart home control technology, in particular to a smart home control device.

Background technique

Smart home is a living environment, which is a living environment with a smart home system installed on a residential platform. The process of implementing a smart home system is called smart home integration. Taking residence as a platform, using integrated wiring technology, network communication technology, smart home-system design scheme security technology, automatic control technology, audio and video technology to integrate home life-related facilities to build efficient management of residential facilities and family schedules system, improve home safety, convenience, comfort, and artistry, and realize an environmentally friendly and energy-saving living environment.

Smart home integration is the use of integrated wiring technology, network communication technology, security technology, automatic control technology, audio and video technology to integrate equipment related to home life. Due to the different technical standards and protocols used by smart homes, most smart home systems use integrated wiring, but a few systems may not use integrated wiring technology, such as power carrier, no matter what the situation, there must be a corresponding network Communication technology is used to complete the required signal transmission tasks, so network communication technology is one of the key technologies in smart home integration. Security technology is an indispensable technology in the smart home system. It is widely used in the fields of community and indoor video intercom, home monitoring, home burglar alarm, and family-related community card. Automatic control technology is an indispensable technology in the smart home system. It is widely used in the smart home control center and the automatic control module of home equipment. It plays a very important role in the scientific management of home energy and the schedule management of home equipment. Audio and video technology is an important technology to realize the comfort and artistry of the home environment, which is reflected in the centralized distribution of audio and video, background music, home theater, etc.

Smart home is a networked and intelligent home control system that integrates automation control system, computer network system and network communication technology. Smart home will allow users to have more convenient means to manage home devices, for example, control home devices through touch screen, wireless remote control, telephone, Internet or voice recognition, and can also perform scene operations to make multiple devices form linkage; on the other hand , Various devices in the smart home can communicate with each other, and can interact and operate according to different states without user command, thus bringing users the greatest degree of efficiency, convenience, comfort and safety.

At present, most smart home systems use a computer as the main control device, and the user's mobile phone or tablet computer sends control instructions to the computer to control the working status of household appliances. The price of installing a smart home system is relatively high, making smart home Control system is more difficult to spread to every family.

Utility model content

In view of the shortcomings of the above-mentioned prior art, the purpose of this utility model is to provide a low-cost smart home control device.

In order to achieve the above object, the utility model has taken the following technical solutions:

A smart home control device comprising:

WIFI module;

USB interface;

RF transmitter module;

FSK two-way transceiver module;

A protocol conversion module for converting the control instructions transmitted by the WIFI module to the controller after protocol conversion;

The controller used to transmit the control instructions transmitted by the protocol conversion module through the RF module and convert the information received by the FSK two-way transceiver module to the WIFI module;

The WIFI module is connected to the protocol conversion module through the USB interface, and the protocol conversion module, the RF transmission module and the FSK two-way transceiver module are connected to the controller.

The smart home control device also includes a power module, which is connected to the controller, the RF transmitter module, the FSK two-way transceiver module, and the protocol conversion module.

In the smart home control device, the RF transmitting module includes an RF chip, a first inductor, a second inductor, a first resistor, a second resistor, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, The first crystal oscillator and the first antenna interface, the PAOUT end of the RF chip is connected to the 5V power supply end of the power module through the first inductor, and also connected to one end of the second inductor through the first capacitor, and the other end of the second inductor is connected to the first An antenna interface is also grounded through the second capacitor, the ASK end of the RF chip is connected to the controller through the first resistor, and grounded through the second resistor, the XTLIN end of the RF chip is connected to one end of the first crystal oscillator, and is also connected to the first crystal oscillator through the second resistor. The four capacitors are grounded, and the XTLOUT end of the RF chip is connected to the other end of the first crystal oscillator, and grounded through the third capacitor.

In the smart home control device, the controller includes a single-chip microcomputer, an RF indicator light, a third resistor and a fifth capacitor, the PD3 end of the single-chip microcomputer is connected to the ASK end of the RF chip through the first resistor, and the PD4 end of the single-chip microcomputer is connected to The negative pole of the RF indicator, the positive pole of the RF indicator are connected to the 3.3V power supply terminal of the power module through the third resistor, the VCAP terminal of the single-chip microcomputer is grounded through the fifth capacitor, and the PC5, PC6, PC7 and PA3 terminals of the single-chip microcomputer are all connected to FSK Two-way transceiver module, the PD5 end and PD6 end of the microcontroller are connected to the protocol conversion module.

In the smart home control device, the FSK bidirectional transceiver module includes an FSK chip, a fourth resistor, a fifth resistor, a sixth resistor and a seventh resistor, the first end of the FSK chip is connected to the PC7 end of the single-chip microcomputer, and Through the 3.3V power supply terminal of the sixth resistor power supply module, the second terminal of the FSK chip is connected to the PC6 terminal of the single-chip microcomputer, and the 3.3V power supply terminal of the seventh resistor power supply module is connected, and the third terminal of the FSK chip is connected to the PC5 terminal of the single-chip microcomputer. Through the 3.3V power supply terminal of the fifth resistor power supply module, the sixth terminal of the FSK chip is connected to the PA3 terminal of the single-chip microcomputer, and also through the 3.3V power supply terminal of the fourth resistor power supply module.

In the smart home control device, the protocol conversion module includes a protocol conversion chip, an eighth resistor, a ninth resistor, a tenth resistor, an eleventh resistor, a sixth capacitor, a seventh capacitor, an eighth capacitor and a second Crystal oscillator, the TXD end of the protocol conversion chip is connected to the 3.3V power supply end of the power module through the eighth resistor, and also connected to the PD6 end of the single-chip microcomputer, and the RXD end of the protocol conversion chip is connected to the 3.3V power supply end of the power module through the ninth resistor, and also Connect the PD5 end of the microcontroller, the VDD_232 end of the protocol conversion chip is grounded through the sixth capacitor, the OSC2 end of the protocol conversion chip is connected to one end of the second crystal oscillator, and is also grounded through the seventh capacitor, and the OSC1 end of the protocol conversion chip is connected to the other end of the second crystal oscillator One end is also grounded through the eighth capacitor, the DM end of the protocol conversion chip is connected to the D- end of the USB interface through the tenth resistor, and the DP end of the protocol conversion chip is connected to the D+ end of the USB interface through the eleventh resistor.

In the smart home control device, the power module includes a power conversion chip, a power interface, a ninth capacitor, a tenth capacitor, an eleventh capacitor, a twelfth capacitor, a thirteenth capacitor, a fourteenth capacitor, a Twelve resistors and a power indicator light, the VIN end of the power conversion chip is connected to the power interface, and grounded through the ninth capacitor, the tenth capacitor, and the eleventh capacitor respectively, and the VOUT end of the power conversion chip is 3.3V of the power conversion chip The power supply end is connected to the protocol conversion module, the controller, the RF transmitter module and the FSK bidirectional transceiver module. The twelfth capacitor, the thirteenth capacitor and the fourteenth capacitor are grounded.

In the smart home control device, the smart home control device is integrated in a set-top box.

Compared with the prior art, in the smart home control device provided by the utility model, the protocol conversion module converts the control instructions transmitted by the WIFI module and then transmits them to the controller; the controller passes the control instructions transmitted by the protocol conversion module through the RF module Outward or FSK two-way transceiver module transmits outward to control other home appliances. It has fewer electronic components and compact structure, and can be integrated in any home appliance (such as a set-top box). Its cost is low and it is beneficial to smart home control. popularization of the system.

Description of drawings

Fig. 1 is a circuit diagram of the smart home control device of the present invention.

Fig. 2 is a circuit diagram of the power module in the smart home control device of the present invention.

Detailed ways

The utility model provides a smart home control device. In order to make the purpose, technical solution and effect of the utility model clearer and clearer, the utility model will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

Please refer to Fig. 1, the smart home control device of the present utility model comprises: WIFI module 10, USB interface J1, RF transmission module 20, FSK two-way transceiver module, protocol conversion module 40 and controller 50, described WIFI module 10 passes USB The interface J1 is connected to the protocol conversion module 40 , and the protocol conversion module 40 , the RF transmission module 20 and the FSK bidirectional transceiver module are connected to the controller 50 .

Wherein, the WIFI module is used for receiving WIFI signals, the USB interface J1 transmits wireless signals, and the protocol conversion module 40 is used for converting the control instructions transmitted by the WIFI module to the controller 50 after protocol conversion. The controller 50 is used to transmit the control command transmitted by the protocol conversion module 40 to the outside through the RF module, and convert the information received by the FSK two-way transceiver module to the WIFI module.

Please also refer to Fig. 2, the smart home control device of the present utility model also includes a power supply module 60, and the power supply module 60 is connected to the controller 50, the RF transmitting module 20, the FSK two-way transceiver module, and the protocol conversion module 40 for providing The modules of the smart home control device provide the voltage it needs to work.

Specifically, the RF transmitting module 20 includes an RF chip U1, a first inductor L1, a second inductor L2, a first resistor R1, a second resistor R2, a first capacitor C1, a second capacitor C2, a third capacitor C3, a first Four capacitors C4, the first crystal oscillator Y1 and the first antenna interface ANT1.

The PAOUT terminal of the RF chip U1 is connected to the 5V power supply terminal of the power module 60 through the first inductor L1, and also connected to one end of the second inductor L2 through the first capacitor C1, and the other end of the second inductor L2 is connected to the first antenna interface. ANT1 is also grounded through the second capacitor C2, the ASK terminal of the RF chip U1 is connected to the controller 50 through the first resistor R1, and grounded through the second resistor R2, and the XTLIN terminal of the RF chip U1 is connected to the first crystal oscillator Y1 One end is also grounded through the fourth capacitor C4, and the XTLOUT end of the RF chip U1 is connected to the other end of the first crystal oscillator Y1, and is also grounded through the third capacitor C3.

Wherein, the RF chip U1 is an ASK 433.92M RF transmitting module. The first crystal oscillator Y1 is mainly used to provide a clock signal, and the first capacitor C1 , the second capacitor C2 , the third capacitor C3 , and the fourth capacitor C4 are mainly used for filtering to avoid signal interference. When the home appliance is to be controlled, the controller 50 outputs a signal, which is processed by the RF chip U1 and then transmitted through the first antenna interface ANT1.

Please continue to refer to FIG. 1, the controller 50 includes a single-chip microcomputer U2, an RF indicator light D1, a third resistor R3 and a fifth capacitor C5, the PD3 end of the single-chip microcomputer U2 is connected to the ASK end of the RF chip U1 through the first resistor R1, The PD4 terminal of the single-chip microcomputer U2 is connected to the negative pole of the RF indicator light D1, the positive pole of the RF indicator light D1 is connected to the 3.3V power supply terminal of the power supply module 60 through the third resistor R3, the VCAP terminal of the single-chip microcomputer U2 is grounded through the fifth capacitor C5, and the PC5 of the single-chip microcomputer U2 terminal, PC6 terminal, PC7 terminal and PA3 terminal are all connected to the FSK bidirectional transceiver module, and the PD5 terminal and PD6 terminal of the single-chip microcomputer U2 are connected to the protocol conversion module 40.

The RF indicator light D1 is a red indicator light, which is used to indicate the state of RF code sending. When the single-chip microcomputer U2 outputs the RF signal, the PD4 terminal of the single-chip microcomputer U2 is an output low level, so that the RF indicator light D1 lights up to indicate the smart home controller. 50 is in the RF code sending state.

In this embodiment, the FSK bidirectional transceiver module includes an FSK chip U3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6 and a seventh resistor R7, and the first end of the FSK chip U3 is connected to the PC7 of the single chip microcomputer U2 terminal, also through the 3.3V power supply terminal of the sixth resistor R6 power supply module 60, the second terminal of the FSK chip U3 is connected to the PC6 terminal of the single-chip microcomputer U2, and also through the 3.3V power supply terminal of the seventh resistor R7 power supply module 60, the FSK chip U3 The 3rd end is connected to the PC5 end of the single-chip microcomputer U2, and also through the 3.3V power supply end of the fifth resistor R5 power supply module 60, and the sixth end of the FSK chip U3 is connected to the PA3 end of the single-chip microcomputer U2, and also through the 3.3V of the fourth resistor R4 power supply module 60. V supply terminal. Wherein, the FSK two-way transceiving module and the RF transmitting module 20 share an antenna, and both transmit and receive signals through the same antenna.

The FSK chip U3 is a FSK 433M two-way transceiver module, which is used in data transmission, anti-theft alarm, wireless remote control, home appliance control, wireless toys, car anti-theft device, wireless reversing radar, remote control garage door, remote control electric shutter doors and windows, telescopic Doors, remote control gates; it is an ideal choice for supporting GSM/GPS vehicle-mounted systems and industrial control, and also for systems with high requirements in complex environments. FSK 433M two-way transceiver module adopts crystal frequency stabilization technology, which has high frequency stability and super-heterodyne reception. It has the characteristics of stable and reliable performance, simple use, small size and low price.

Please continue to refer to FIG. 1, the protocol conversion module 40 includes a protocol conversion chip U4, an eighth resistor R8, a ninth resistor R9, a tenth resistor R10, an eleventh resistor R11, a sixth capacitor C6, a seventh capacitor C7, a Eight capacitors C8 and the second crystal oscillator Y2. The TXD end of the protocol conversion chip U4 is connected to the 3.3V power supply end of the power module 60 through the eighth resistor R8, and also connected to the PD6 end of the single-chip microcomputer U2, and the RXD end of the protocol conversion chip U4 is connected to the 3.3V end of the power module 60 through the ninth resistor R9. The V power supply terminal is also connected to the PD5 terminal of the single-chip microcomputer U2, the VDD_232 terminal of the protocol conversion chip U4 is grounded through the sixth capacitor C6, the OSC2 terminal of the protocol conversion chip U4 is connected to one end of the second crystal oscillator Y2, and is also grounded through the seventh capacitor C7, the protocol The OSC1 end of the conversion chip U4 is connected to the other end of the second crystal oscillator Y2, and grounded through the eighth capacitor C8, the DM end of the protocol conversion chip U4 is connected to the D- end of the USB interface J1 through the tenth resistor R10, and the DP of the protocol conversion chip U4 The terminal is connected to the D+ terminal of the USB interface J1 through the eleventh resistor R11.

The signal output by the WIFI module is transmitted to the protocol conversion chip U4 through the USB interface J1, and after protocol conversion by the protocol conversion chip U4, it is output to the single-chip microcomputer U2 for processing, so that the single-chip microcomputer U2 outputs the corresponding radio frequency signal to the FSK chip U3 or RF chip U1 , through the FSK chip U3 or the RF chip U1 to send a control signal to the corresponding home appliance to control the working state of the home appliance.

Please refer to Figure 1 and Figure 2 together, the power module 60 includes a power conversion chip U5, a power interface J2, a ninth capacitor C9, a tenth capacitor C10, an eleventh capacitor C11, a twelfth capacitor C12, a thirteenth capacitor Capacitor C13, the fourteenth capacitor C14, the twelfth resistor R12 and the power indicator light D2, the VIN end of the power conversion chip U5 is connected to the power interface J2, and the ninth capacitor C9, the tenth capacitor C10, the eleventh capacitor The capacitor C11 is grounded, and the VOUT end of the power conversion chip U5 is the 3.3V power supply end of the power conversion chip U5, which is connected to the protocol conversion module 40, the controller 50, the RF transmitter module 20 and the FSK bidirectional transceiver module, and is also connected through the twelfth resistor R12 The positive pole of the power indicator D2 and the negative pole of the power indicator D2 are grounded, and the VOUT terminal of the power conversion chip U5 is grounded through the twelfth capacitor C12, the thirteenth capacitor C13 and the fourteenth capacitor C14 respectively.

The model of the power conversion chip U5 is LM1117_3.3, which is used to convert the voltage of 5V to 3.3V to supply power to the protocol conversion module 40, the controller 50, the RF transmitter module 20 and the FSK bidirectional transceiver module. The power indicator light D2 is a green LED light used to indicate the working state of the power supply.

The smart home control device of the utility model uses fewer electronic components, has a compact structure, and is low in cost, and can be integrated into set-top boxes, smart TVs and other home appliances, which is beneficial to the popularization of smart password systems.

It can be understood that those skilled in the art can make equivalent replacements or changes according to the technical solution of the utility model and its utility model concept, and all these changes or replacements should belong to the appended claims of the utility model protected range.

Claims (8)

1. A smart home control device, characterized in that it comprises: WIFI module; USB interface; RF transmitter module; FSK two-way transceiver module; A protocol conversion module for converting the control instructions transmitted by the WIFI module to the controller after protocol conversion; The controller used to transmit the control instructions transmitted by the protocol conversion module through the RF module and convert the information received by the FSK two-way transceiver module to the WIFI module; The WIFI module is connected to the protocol conversion module through the USB interface, and the protocol conversion module, the RF transmission module and the FSK bidirectional transceiver module are connected to the controller. 2 . The smart home control device according to claim 1 , further comprising a power module connected to the controller, the RF transmitter module, the FSK bidirectional transceiver module, and the protocol conversion module. 3. The smart home control device according to claim 2, wherein the RF transmitting module includes an RF chip, a first inductor, a second inductor, a first resistor, a second resistor, a first capacitor, and a second capacitor , the third capacitor, the fourth capacitor, the first crystal oscillator and the first antenna interface, the PAOUT end of the RF chip is connected to the 5V power supply end of the power supply module through the first inductor, and is also connected to one end of the second inductor through the first capacitor, so The other end of the second inductance is connected to the first antenna interface and grounded through the second capacitor. The ASK end of the RF chip is connected to the controller through the first resistor and grounded through the second resistor. The XTLIN end of the RF chip is connected to One end of the first crystal oscillator is also grounded through the fourth capacitor, and the XTLOUT end of the RF chip is connected to the other end of the first crystal oscillator and grounded through the third capacitor. 4. The smart home control device according to claim 3, wherein the controller includes a single-chip microcomputer, an RF indicator light, a third resistor and a fifth capacitor, and the PD3 terminal of the single-chip microcomputer is connected to the RF chip through the first resistor The ASK terminal of the microcontroller, the PD4 terminal of the microcontroller is connected to the negative pole of the RF indicator, the positive pole of the RF indicator is connected to the 3.3V power supply terminal of the power module through the third resistor, the VCAP terminal of the microcontroller is grounded through the fifth capacitor, and the PC5 terminal and PC6 terminal of the microcontroller , PC7 and PA3 are connected to the FSK bidirectional transceiver module, and the PD5 and PD6 of the microcontroller are connected to the protocol conversion module. 5. The smart home control device according to claim 4, wherein the FSK bidirectional transceiver module includes an FSK chip, a fourth resistor, a fifth resistor, a sixth resistor, and a seventh resistor, and the first resistor of the FSK chip Terminal 1 is connected to the PC7 terminal of the single-chip microcomputer, and also through the 3.3V power supply terminal of the sixth resistor power module, the second terminal of the FSK chip is connected to the PC6 terminal of the single-chip microcomputer, and also through the 3.3V power supply terminal of the seventh resistor power module, the first terminal of the FSK chip Terminal 3 is connected to the PC5 terminal of the single-chip microcomputer, and also passes through the 3.3V power supply terminal of the fifth resistor power supply module, and the sixth terminal of the FSK chip is connected to the PA3 terminal of the single-chip microcomputer, and also passes through the 3.3V power supply terminal of the fourth resistor power supply module. 6. The smart home control device according to claim 4, wherein the protocol conversion module includes a protocol conversion chip, an eighth resistor, a ninth resistor, a tenth resistor, an eleventh resistor, a sixth capacitor, a The seven capacitors, the eighth capacitor and the second crystal oscillator, the TXD end of the protocol conversion chip is connected to the 3.3V power supply end of the power module through the eighth resistor, and also connected to the PD6 end of the single-chip microcomputer, and the RXD end of the protocol conversion chip is connected to the ninth resistor The 3.3V power supply terminal of the power module is also connected to the PD5 terminal of the single-chip microcomputer. The VDD_232 terminal of the protocol conversion chip is grounded through the sixth capacitor. The OSC2 terminal of the protocol conversion chip is connected to one end of the second crystal oscillator and grounded through the seventh capacitor. The protocol conversion chip The OSC1 end of the protocol conversion chip is connected to the other end of the second crystal oscillator and grounded through the eighth capacitor, the DM end of the protocol conversion chip is connected to the D- end of the USB interface through the tenth resistor, and the DP end of the protocol conversion chip is connected to the USB interface through the eleventh resistor D+ terminal. 7. The smart home control device according to claim 2, wherein the power module includes a power conversion chip, a power interface, a ninth capacitor, a tenth capacitor, an eleventh capacitor, a twelfth capacitor, a tenth capacitor The three capacitors, the fourteenth capacitor, the twelfth resistor and the power indicator light, the VIN end of the power conversion chip is connected to the power interface, and is grounded through the ninth capacitor, the tenth capacitor, and the eleventh capacitor respectively, and the power conversion chip is grounded. The VOUT terminal is the 3.3V power supply terminal of the power conversion chip, which is connected to the protocol conversion module, the controller, the RF transmitter module and the FSK two-way transceiver module, and is also connected to the positive pole of the power indicator light through the twelfth resistor. The VOUT terminal of the conversion chip is also grounded through the twelfth capacitor, the thirteenth capacitor and the fourteenth capacitor respectively. 8. The smart home control device according to any one of claims 1-7, wherein the smart home control device is integrated in a set-top box.