CN105785787B - Intelligent electric appliance integrated control method and system for smart home - Google Patents

Abstract

The present invention provides an integrated control method and system for intelligent electrical appliances for smart home. The system includes an intelligent controller, a switch controller, a host computer and intelligent electrical equipment: wherein: the switch controller is set at different positions as required, including On/off switch and each sub-switch; the intelligent controller includes the shell and the control board, and the control board adopts the network protocol of bus type multi-machine communication to communicate with the upper computer; the control board includes solid state relay output port, TTL level switch input Port, AD analog-to-digital conversion module, control CPU and linkage control terminal; TTL level digital input port communicates with the switch controller, receives the level signal of the switch controller, AD analog-to-digital conversion module and control CPU transmits to the solid state relay output port; the output port of the solid state relay communicates with the intelligent electrical equipment, and configures the drive circuit for the output port of the solid state relay, and controls the use status of the intelligent electrical equipment through the AD analog-to-digital conversion module and the control CPU.

Description

Intelligent appliance integrated control method and system for smart home

technical field

The present invention relates to a smart home control system, and further relates to a control system and method for system integration of electrical equipment control inside a building area and household appliances controlled by ordinary panel switches to complete multifunctional control and comprehensive intelligent management.

Background technique

With the rapid development of information technology and the improvement of building quality, users' pursuit of housing space functions is becoming more and more refined. Therefore, intelligent buildings have become the necessity of today's high-tech architectural concepts. Traditional electrical installation technology has been difficult to meet the individual needs of modern people, people need innovative ideas to decorate public environment and personal space. The development trend in the field of smart home control has gradually formed. In this context, the concept and products of intelligent building area controllers came into being. This concept is to apply computer-controlled bus technology to the traditional electrical installation field, and to control the electrical equipment inside the building area and the common panel switch control. Home appliances are system-integrated to complete multi-functional control and comprehensive intelligent management. It can effectively realize modern control and achieve the goals of safety, convenience, reliability and energy saving. It is widely used in homes, apartments, villas, small and medium-sized meeting rooms, central computer rooms, courtyards, corridors, underground garages, etc., creating a comfortable and safe environment for people. , Green working and living environment.

Contents of the invention

The purpose of the present invention is to provide an integrated control system for smart appliances for smart homes. The user terminal and the control board communicate through the network, and use the network as the core part of the smart home system to integrate an independent control software. The interconnection between different protocol subnets and information sharing needs to be carried out through the network. When various household appliances in the family are connected together through the home bus technology, a powerful and highly intelligent modern smart home system is formed. The wireless Internet network or wireless mobile network is used as the information medium. The real-time monitoring screen is obtained through the camera, and the operation status of the electrical appliances can be understood at any time, so as to realize remote control of the electrical equipment in the system. Through the terminal control software installed on the user terminal, the user can also The entire home automation system can be quickly set and personalized, and these settings can be changed at any time, so that users can manage everything at home independently.

In order to achieve the above purpose, the present invention provides an integrated control system for smart appliances for smart homes, the system includes a smart controller, a switch controller, a host computer and smart electrical equipment: wherein: the switch controller Set in different positions, including the main on/off switch and each sub-switch, for distributed independent control of multiple positions; the intelligent controller includes a casing and a control board, and the control board adopts a bus-type multi-machine communication network protocol Communicate with the upper computer; the control board includes a solid state relay output port, a TTL level switch input port, an AD analog-to-digital conversion module, a control CPU, and a linkage control terminal: the linkage control terminal is used to link multiple The intelligent controller completes unified group control; the TTL level switch input port communicates with the switch controller, receives the level signal of the switch controller, and transmits it to the switch controller through the AD analog-to-digital conversion module and the control CPU. The solid-state relay output port; the solid-state relay output port communicates with the smart electrical device, and configures a drive circuit for the solid-state relay output port, and controls the use state of the smart electrical device through the AD analog-to-digital conversion module and the control CPU .

Preferably, the upper computer is configured to have at least one master and several slaves.

Preferably, the intelligent controller is also provided with an expansion module, and the expansion module is placed in a distributed manner to realize nearby wiring.

Preferably, the expansion module includes 8-24 TTL level switch input modules, 8-16 relay output modules, 2 curtain control output modules and 4 LED strip dimming output modules.

Preferably, the system adopts a centralized-distributed control mode.

Preferably, the output port of the solid state relay is connected to various sensors, including one or more of a camera, a photosensitive sensor, a temperature sensor, an acoustic sensor, an infrared sensor, a gas sensor, a humidity sensor, and an outdoor sinking sensor.

Preferably, the communication between the control board and the host computer adopts wired or wireless communication.

Preferably, the host computer is selected from one or more of notebook computers, tablet computers, and mobile phones.

According to another aspect of the present invention, a control method for the system is also provided, the control method is:

a) The master transmits multi-byte command information to the slave and checks it. If the check is correct, go to step b, otherwise go to step c;

b) The host receives and verifies the multi-byte data information returned by the corresponding extension. If the verification is correct, this communication ends. If it is not correct, go to step c:

c) The master retransmits the multi-byte command information to the slave.

Preferably, the multi-byte command includes an address encoding byte, a command code byte, an output status byte, an input status byte, and a parity byte.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained according to these drawings without creative work.

Fig. 1 shows the schematic diagram of the integrated control system of intelligent appliances according to the present invention;

Fig. 2 shows the basic system circuit diagram of the intelligent electrical appliance integrated control system according to the present invention;

Fig. 3 shows the extended system circuit diagram of the smart appliance integrated control system according to the present invention;

Fig. 4 shows the structural diagram of the intelligent controller of the intelligent electrical appliance integrated control system according to the present invention;

Fig. 5 shows the structure diagram of the control board according to the intelligent electrical appliance integrated control system of the present invention;

Fig. 6a shows the block diagram of the switch controller of the smart appliance integrated control system according to the present invention;

Fig. 6b and Fig. 6c are working schematic diagrams of the switch controller of Fig. 6a;

FIG. 7 shows a signal schematic diagram of the switch controller of FIG. 6 .

Detailed ways

The objects and functions of the present invention and methods for achieving the objects and functions will be clarified by referring to the exemplary embodiments. However, the present invention is not limited to the exemplary embodiments disclosed below, and may be implemented in various forms. The essence of the description is only to help those skilled in the relevant art comprehensively understand the specific details of the present invention.

Fig. 1 shows the schematic diagram of the integrated control system of smart electrical appliances according to the present invention; as shown in Fig. 1, the system includes smart controller, switch controller, upper computer and smart electrical equipment: wherein:

The switch controller is set in different positions as required, including the main on/off switch and each branch switch, which is used for distributed independent control of multiple positions;

The intelligent controller includes a shell and a control panel, and the control panel communicates with the upper computer using a bus-type multi-machine communication network protocol;

According to an embodiment of the present invention, the intelligent controller is also provided with an expansion module, and the expansion module is placed in a distributed manner to realize nearby wiring, wherein: the expansion module includes 8-24 TTL level switch input module, 8-way to 16-way relay output module, 2-way curtain control output module, and 4-way LED strip dimming output module. In addition, systems with expansion modules generally adopt centralized-distributed control mode.

According to an embodiment of the present invention, it is characterized in that: the upper computer is configured to have at least one master and several slaves.

According to an embodiment of the present invention, it is characterized in that: the communication between the control board and the host computer adopts wired or wireless communication.

According to an embodiment of the present invention, it is characterized in that: the host computer is selected from one or more of notebook computers, tablet computers, and mobile phones.

The control board includes a solid state relay output port, a TTL level switch input port, an AD analog-to-digital conversion module, a control CPU, and a linkage control terminal:

The linkage control terminal is used to link multiple intelligent controllers to complete unified group control;

The TTL level switching value input port communicates with the switch controller, receives the level signal of the switch controller, and transmits it to the solid state relay output port through the AD analog-to-digital conversion module and the control CPU;

The output port of the solid state relay communicates with the smart electrical device, and a drive circuit is configured for the output port of the solid state relay, and the use state of the smart electrical device is controlled through an AD analog-to-digital conversion module and a control CPU.

According to an embodiment of the present invention, the output port of the solid state relay is connected to various sensors, including one or more of cameras, photosensitive sensors, temperature sensors, voice-activated sensors, infrared sensors, gas sensors, humidity sensors, and outdoor ups and downs sensors. kind.

According to another aspect of the present invention, a control method for the system is also provided, the control method is:

a) The master transmits multi-byte command information to the slave and checks it. If the check is correct, go to step b, otherwise go to step c;

b) The host receives and verifies the multi-byte data information returned by the corresponding extension. If the verification is correct, this communication ends. If it is not correct, go to step c:

c) The master retransmits the 12-byte command information to the slave.

According to an embodiment of the present invention, the multi-byte command includes an address encoding byte, a command code byte, an output status byte, an input status byte, and a parity byte.

For example, the multi-byte command is a 12-byte command, including: 1 byte of address code, 2 bytes of command code, 5 bytes of output status, 3 bytes of input status, and 1 byte of check digit.

For example, the address code can be expressed as: 00H represents all slaves, and 11H-2FH represents slaves 1 to 32.

For example, the code of the read command can be expressed as: 01 01H-only read the input/output status of XX extension;

01 02H-01 05H are reserved.

For example, the code of the output command can be expressed as: 01 21H-only one extension status is output, such as light number 1;

01 2EH-Only output one extension status, such as 14/15 lights.

For example, the code of the output/read command is expressed as: 01 51H-read the input status of the extension, output the DB 78 status quantity, for example, the inner area of mode 1 is bright;

01 58H-Read the input state of the extension, output XXXX state quantity, for example, reserved for mode 8.

For example, the code of the output clock command is expressed as: E0H-output time variables for all extensions, including year/month/day/--hour/minute/second/.

Fig. 2 has shown the basic type system circuit diagram according to the intelligent electrical appliance integrated control system of the present invention; As shown in Fig. 2, the control panel of this system comprises input port 1 and input port 2, namely TTL level switching quantity input module, as As shown in Figure 2, it is 16-way TTL level switch, which communicates with the switch controller outside the intelligent controller and receives the level signal of the switch controller; among them, the 16-way TTL level switch is suitable for ordinary 86-box installation The switch panel can also customize multi-function panel switches and 4*4 matrix buttons.

The control board also includes output port 1 and output port 2, that is, the solid-state relay output module, which adopts photoelectric isolation control technology, and the strong and weak current systems are completely isolated, safe and reliable, and has no noise and long working life, which can meet the requirements of home environment applications, such as As shown in Figure 2, it is a 15-way solid-state relay output, which receives information processed by the AD analog-to-digital conversion module and the control CPU, and drives and controls the smart electrical equipment outside the smart controller;

In addition, the control board is also provided with a reserved cascading port, which is used to link multiple intelligent controllers to complete unified group control, which is convenient for user selection and system expansion and upgrade.

This basic system generally adopts centralized control, for example, the power line and control line are threaded separately and converged to the intelligent controller to meet the intelligent needs of 2-bedroom residents or small and medium-sized conference room lighting scene control.

Fig. 3 shows the extended system according to the intelligent electrical appliance integrated control system of the present invention; As shown in Fig. 3, on the basis of the basic system shown in Fig. 2, the control board of this extended system also includes expansion input port The communication line, that is, the 8-way to 24-way TTL level switch input module, communicates with the switch controller outside the intelligent controller, and receives the level signal of the switch controller; among them, the 8-way to 24-way TTL level switch The input module is suitable for ordinary 86 box installation switch panels, and can also customize multi-function panel switches and 4*4 matrix buttons.

The control board also includes output port 1 and output port 2, that is, the solid-state relay output module, which adopts photoelectric isolation control technology, and the strong and weak current systems are completely isolated, safe and reliable, and has no noise and long working life, which can meet the requirements of home environment applications, such as As shown in Figure 3, it is a 15-way solid state relay output, which receives information processed by the AD analog-to-digital conversion module and the control CPU, and drives and controls the smart electrical equipment outside the smart controller;

In addition, the control board also includes an extended output port communication line, as shown in Figure 3, which is an 8-way to 16-way relay output module, which can be used to connect smart appliances or other sensing devices.

It also includes two communication modules, which can use RS-232 and RS-485 bus protocols for communication; the basic and extended controllers are connected in series to the host computer through the RS-485 bus to achieve higher-level intelligent control. Including lights. The timing optimization control and safety management of sockets, air conditioners, and curtains can also be connected to the Internet to realize remote control functions.

The extended system can be expanded according to the actual application. For example, it can also include 2-way curtain control output module and 4-way LED strip dimming output module.

The extended system generally adopts a centralized-distributed control method, such as separate and independent threading of the power line and control line, and converges to the intelligent controller and expansion module to achieve nearby threading, which can greatly simplify the construction process and save power wiring. It can be connected to various sensors and add control modes similar to curtains and lights to meet the intelligent control needs of 3-bedroom residents, apartments or medium-sized conference rooms for lighting scene control and linkage related electrical equipment, and to realize remote control needs and comprehensive security management services . Adopt centralized-distributed control mode, combined with the actual situation on site to provide an overall solution and maintenance system upgrade guarantee.

For example, at the door. There are multi-function switches near the equipment console and rostrum to realize remote on/off functions and mode control functions, and can control more than 8 scenes.

Moreover, the control method of the present invention is easy and convenient. Taking lighting control as an example: it can be divided into single point control, mode switching control, unified group control, sensor linkage control, sequence control, etc.:

Single-point control is the state of switching single-point lamps;

Mode switching control is to switch the switching status of multi-point lamps arbitrarily according to the actual needs of the target, such as welcome mode, reception mode, dinner mode, basic lighting mode, etc.;

Unified group control is to realize the general on/off mode in the area;

The sensor linkage control is that when someone enters the detection area, the lights in the area are automatically turned on, and when the person leaves the detection area, the lights are turned off with a delay; when the illumination is not enough, the lights are automatically turned on, and when the illumination is sufficient, the lights are automatically turned off;

Sequence control is to complete the switching control between multiple modes in the area according to the time period.

Among them, various control methods can be freely combined; in addition, each controller can send the control status back to the computer in the form of data, so the operating status of the on-site lighting fixtures can be observed in the monitoring center, bringing comfort, energy saving and convenience to users , Environmentally friendly life experience.

Fig. 4 has shown the structural diagram of the intelligent controller according to the integrated control system of intelligent appliances of the present invention; As shown in Fig. The cover 402, the control board 403 are connected in communication with the sensing unit: wherein,

The box body 401 and the box cover 402 can adopt moisture-proof materials;

A snap-in connection block 405 and a signal distributor 406 are installed at the bottom of the box body 401;

According to an embodiment of the present invention, the bottom of the box body 401 is also provided with an electrical terminal 410; the side of the box body is provided with a wiring hole 412 for connecting the cables between the control board and the sensing unit; the side of the box body is also provided with a heat dissipation Hole 411.

According to an embodiment of the present invention, an Ethernet hub 404 is also provided at the bottom of the box.

According to an embodiment of the present invention, the box body is provided with a wireless module for wireless communication between the sensing unit and the control board.

The inner side of the box cover 402 is provided with a rotating shaft 407, which is hinged with the inner side of the box body;

The sensing unit is arranged outside the box body, and includes one or more of a camera sensing unit, a photosensitive sensing unit, a temperature sensing unit, a sound control sensing unit, an infrared sensing unit, and a gas sensing unit ;

One end of the control board 403 is hinged to one end of the box body through a rotating shaft 408 , and the other end is fixed in a slot at the other end of the box body through a buckle 409 .

Fig. 5 shows a structural diagram of the control board of the smart appliance integrated control system according to the present invention; as shown in Fig. 5, it is an embodiment of the structure of the control board. According to an embodiment of the present invention, the control board 503 has 20 channels of TTL level digital input modules 501 a and 20 channels of solid state electrical output modules 501 b, 10 channels of AD analog-to-digital conversion input circuits 503 and a control CPU 502 .

According to another embodiment of the present invention, the control board is provided with 8 to 20 TTL level switch input modules, 8 to 20 solid state electrical output modules, 8 to 10 AD analog-to-digital conversion input circuits and a control CPU, Wherein: the 8 to 20 TTL level switching value input modules are connected to the signal generator for transmitting signals, triggering the sensing unit or smart home appliances to start or stop working;

The 8 to 20 solid-state electrical output modules are connected to the 8 to 20 TTL level switch input modules and the 8 to 10 AD analog-to-digital conversion input circuits through the control CPU for receiving or sending The signals of the 8 to 20 TTL level switching input modules and the signals of the AD analog-to-digital conversion input circuit; the 20 solid-state electrical output modules can simultaneously control the sensing unit and the smart home appliance, and can also collect the signals of the sensing unit The signal controls the turning on or off of the home appliance.

The control CPU is electrically connected with 8 to 20 TTL level switch input modules, 8 to 20 solid state electrical output modules and 8 to 10 AD analog-to-digital conversion input circuits for controlling, transmitting and calculating signals of each circuit. and issue instructions.

Among them, the number of channels configured by the above modules can be selected according to specific conditions.

According to an embodiment of the present invention, the control board is provided with a cable connector module 504 of the sensing unit, which communicates with the network and is used for receiving and sending command signals from the user terminal and the sensing unit.

The control board also includes a data transmission bus interface 505, and the network adopts a network protocol on the communication bus based on RS-485 or RS-232.

According to an embodiment of the present invention, the output port of the solid state relay is connected to various sensors, including one or more of cameras, photosensitive sensors, temperature sensors, voice-activated sensors, infrared sensors, gas sensors, humidity sensors, and outdoor ups and downs sensors. kind.

The control board of the present invention can also be set as 8-way 10-bit AD analog-to-digital conversion input circuits, 8-way TTL level switch input modules and 8-way programmable output control circuits, and can be connected to various sensing units at the same time, and can Access to the system network to realize remote data transmission.

Fig. 6 a shows the block diagram of the switch controller according to the smart appliance integrated control system of the present invention; As shown in Fig. 6 a, the switch controller comprises a switch and a control box: the switch is provided with a potentiometer for detecting switch state and Pulse generator: as shown in Figure 6a, the switch includes a connection seat 605, a card cover 602 and a switch module 606 inside the card cover, and the switch module 606 includes a rocker button 601 for switching on and off its internal circuit, U-shaped sheet 604 and probe 603; the potentiometer obtains the state of the seesaw button 601, triggers the pulse generator, and is used to transmit high level or low level to the control box; The switch value input port is connected with the pulse generator to receive the detection signal of the switch detection module.

According to an embodiment of the present invention, the switch controller is configured to simultaneously control one or more of the switches.

For example, switch controllers with main on/off control functions are installed in the hallway and bedroom; various mode switches or multi-function switches are installed in the hallway and living room, and human body sensor switches are installed in the kitchen and bathroom.

According to an embodiment of the present invention, the low level is when the traditional switch is turned off, and the value detected by the key switch detection module is "0"; the high level is when the traditional switch is closed, the key switch The value detected by the detection module is "1".

Figure 6b and Figure 6c are working principle diagrams of the switch controller in Figure 6a; The sensing unit or household appliance is turned on; when the switch state is the off state 608, a low level 609 with a value of "0" is generated, and the switch triggers the shutdown of the corresponding sensing unit or household appliance.

Fig. 7 shows a signal schematic diagram of the switch controller of Fig. 6a. As shown in Figure 7, it is the signal schematic diagram of the switch. The state of the rocker 701 is used to trigger the potentiometer, so that the level of the potentiometer 702 is "0" or "1", and the electric signal excites the pulse generator 703 to generate pulses. , the pulse signal is transmitted to the control box.

An intelligent electrical appliance integrated control system of the present invention applies computer-controlled bus technology to the traditional electrical installation field, integrates the electrical equipment control inside the building area and the household appliances controlled by ordinary panel switches, and completes multi-functional control and Comprehensive intelligent management. It can effectively realize modern control and achieve the goals of safety, convenience, reliability and energy saving. It is widely used in homes, apartments, villas, small and medium-sized meeting rooms, central computer rooms, courtyards, corridors, underground garages, etc., creating a comfortable and safe environment for people. , Green working and living environment.

The above are only preferred examples of the present invention, not to limit the implementation scope of the present invention, so all equivalent changes or modifications made according to the structure, features and principles of the patent application scope of the present invention should be included in the patent application scope of the present invention .

Claims (10)

1. An intelligent electrical integrated control system for smart home, characterized in that: the system includes an intelligent controller, a switch controller, a host computer and an intelligent electrical device: wherein: The switch controller is set in different positions as required, including the main on/off switch and each branch switch, which is used for distributed independent control of multiple positions; The intelligent controller includes a shell and a control panel, and the control panel communicates with the upper computer using a bus-type multi-machine communication network protocol; The control board includes a solid state relay output port, a TTL level switch input port, an AD analog-to-digital conversion module, a control CPU, and a linkage control terminal: The linkage control terminal is used to link multiple intelligent controllers to complete unified group control; The TTL level switching value input port communicates with the switch controller, receives the level signal of the switch controller, and transmits it to the solid state relay output port through the AD analog-to-digital conversion module and the control CPU; The output port of the solid state relay communicates with the smart electrical device, and a drive circuit is configured for the output port of the solid state relay, and the use state of the smart electrical device is controlled through an AD analog-to-digital conversion module and a control CPU. 2. The system according to claim 1, characterized in that: the upper computer is configured to have at least one master and several slaves. 3. The system according to claim 1, characterized in that: the intelligent controller is also provided with an expansion module, and the expansion module is placed in a distributed manner to realize nearby wiring. 4. The system according to claim 3, wherein the expansion module includes 8-24 TTL level switch input modules, 8-16 relay output modules, 2 curtain control output modules and 4 Road LED lamp with dimming output module. 5. The system according to claim 4, characterized in that: the system adopts a centralized-distributed control mode. 6. The system according to claim 1, characterized in that: the output port of the solid state relay is connected to a variety of sensors, including cameras, photosensitive sensors, temperature sensors, voice-activated sensors, infrared sensors, gas sensors, humidity sensors and outdoor floating and sinking sensors. One or more of the sensors. 7. The system according to claim 1, wherein the communication between the control board and the upper computer adopts wired or wireless communication. 8. The system according to claim 1, characterized in that: the host computer is selected from one or more of notebook computers, tablet computers, and mobile phones. 9. A control method for the system according to claim 2, characterized in that: the control method is: a) The master transmits multi-byte command information to the slave and checks it. If the check is correct, go to step b, otherwise go to step c; b) The host receives and verifies the multi-byte data information returned by the corresponding extension. If the verification is correct, this communication ends. If it is not correct, go to step c: c) The master retransmits the multi-byte command information to the slave. 10. The method according to claim 9, wherein the multi-byte command includes an address code byte, a command code byte, an output status byte, an input status byte, and a parity byte.